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PHP52/SplFixedArray.php 0000644 00000010024 14717743076 0010605 0 ustar 00 <?php if (class_exists('SplFixedArray')) { return; } /** * The SplFixedArray class provides the main functionalities of array. The * main differences between a SplFixedArray and a normal PHP array is that * the SplFixedArray is of fixed length and allows only integers within * the range as indexes. The advantage is that it allows a faster array * implementation. */ class SplFixedArray implements Iterator, ArrayAccess, Countable { /** @var array<int, mixed> */ private $internalArray = array(); /** @var int $size */ private $size = 0; /** * SplFixedArray constructor. * @param int $size */ public function __construct($size = 0) { $this->size = $size; $this->internalArray = array(); } /** * @return int */ public function count() { return count($this->internalArray); } /** * @return array */ public function toArray() { ksort($this->internalArray); return (array) $this->internalArray; } /** * @param array $array * @param bool $save_indexes * @return SplFixedArray * @psalm-suppress MixedAssignment */ public static function fromArray(array $array, $save_indexes = true) { $self = new SplFixedArray(count($array)); if($save_indexes) { foreach($array as $key => $value) { $self[(int) $key] = $value; } } else { $i = 0; foreach (array_values($array) as $value) { $self[$i] = $value; $i++; } } return $self; } /** * @return int */ public function getSize() { return $this->size; } /** * @param int $size * @return bool */ public function setSize($size) { $this->size = $size; return true; } /** * @param string|int $index * @return bool */ public function offsetExists($index) { return array_key_exists((int) $index, $this->internalArray); } /** * @param string|int $index * @return mixed */ public function offsetGet($index) { /** @psalm-suppress MixedReturnStatement */ return $this->internalArray[(int) $index]; } /** * @param string|int $index * @param mixed $newval * @psalm-suppress MixedAssignment */ public function offsetSet($index, $newval) { $this->internalArray[(int) $index] = $newval; } /** * @param string|int $index */ public function offsetUnset($index) { unset($this->internalArray[(int) $index]); } /** * Rewind iterator back to the start * @link https://php.net/manual/en/splfixedarray.rewind.php * @return void * @since 5.3.0 */ public function rewind() { reset($this->internalArray); } /** * Return current array entry * @link https://php.net/manual/en/splfixedarray.current.php * @return mixed The current element value. * @since 5.3.0 */ public function current() { /** @psalm-suppress MixedReturnStatement */ return current($this->internalArray); } /** * Return current array index * @return int The current array index. */ public function key() { return key($this->internalArray); } /** * @return void */ public function next() { next($this->internalArray); } /** * Check whether the array contains more elements * @link https://php.net/manual/en/splfixedarray.valid.php * @return bool true if the array contains any more elements, false otherwise. */ public function valid() { if (empty($this->internalArray)) { return false; } $result = next($this->internalArray) !== false; prev($this->internalArray); return $result; } /** * Do nothing. */ public function __wakeup() { // NOP } } Core/SecretStream/State.php 0000644 00000007050 14717743076 0011650 0 ustar 00 <?php /** * Class ParagonIE_Sodium_Core_SecretStream_State */ class ParagonIE_Sodium_Core_SecretStream_State { /** @var string $key */ protected $key; /** @var int $counter */ protected $counter; /** @var string $nonce */ protected $nonce; /** @var string $_pad */ protected $_pad; /** * ParagonIE_Sodium_Core_SecretStream_State constructor. * @param string $key * @param string|null $nonce */ public function __construct($key, $nonce = null) { $this->key = $key; $this->counter = 1; if (is_null($nonce)) { $nonce = str_repeat("\0", 12); } $this->nonce = str_pad($nonce, 12, "\0", STR_PAD_RIGHT);; $this->_pad = str_repeat("\0", 4); } /** * @return self */ public function counterReset() { $this->counter = 1; $this->_pad = str_repeat("\0", 4); return $this; } /** * @return string */ public function getKey() { return $this->key; } /** * @return string */ public function getCounter() { return ParagonIE_Sodium_Core_Util::store32_le($this->counter); } /** * @return string */ public function getNonce() { if (!is_string($this->nonce)) { $this->nonce = str_repeat("\0", 12); } if (ParagonIE_Sodium_Core_Util::strlen($this->nonce) !== 12) { $this->nonce = str_pad($this->nonce, 12, "\0", STR_PAD_RIGHT); } return $this->nonce; } /** * @return string */ public function getCombinedNonce() { return $this->getCounter() . ParagonIE_Sodium_Core_Util::substr($this->getNonce(), 0, 8); } /** * @return self */ public function incrementCounter() { ++$this->counter; return $this; } /** * @return bool */ public function needsRekey() { return ($this->counter & 0xffff) === 0; } /** * @param string $newKeyAndNonce * @return self */ public function rekey($newKeyAndNonce) { $this->key = ParagonIE_Sodium_Core_Util::substr($newKeyAndNonce, 0, 32); $this->nonce = str_pad( ParagonIE_Sodium_Core_Util::substr($newKeyAndNonce, 32), 12, "\0", STR_PAD_RIGHT ); return $this; } /** * @param string $str * @return self */ public function xorNonce($str) { $this->nonce = ParagonIE_Sodium_Core_Util::xorStrings( $this->getNonce(), str_pad( ParagonIE_Sodium_Core_Util::substr($str, 0, 8), 12, "\0", STR_PAD_RIGHT ) ); return $this; } /** * @param string $string * @return self */ public static function fromString($string) { $state = new ParagonIE_Sodium_Core_SecretStream_State( ParagonIE_Sodium_Core_Util::substr($string, 0, 32) ); $state->counter = ParagonIE_Sodium_Core_Util::load_4( ParagonIE_Sodium_Core_Util::substr($string, 32, 4) ); $state->nonce = ParagonIE_Sodium_Core_Util::substr($string, 36, 12); $state->_pad = ParagonIE_Sodium_Core_Util::substr($string, 48, 8); return $state; } /** * @return string */ public function toString() { return $this->key . $this->getCounter() . $this->nonce . $this->_pad; } } Core/BLAKE2b.php 0000644 00000057200 14717743076 0007233 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_BLAKE2b', false)) { return; } /** * Class ParagonIE_Sodium_Core_BLAKE2b * * Based on the work of Devi Mandiri in devi/salt. */ abstract class ParagonIE_Sodium_Core_BLAKE2b extends ParagonIE_Sodium_Core_Util { /** * @var SplFixedArray */ protected static $iv; /** * @var array<int, array<int, int>> */ protected static $sigma = array( array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3), array( 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4), array( 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8), array( 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13), array( 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9), array( 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11), array( 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10), array( 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5), array( 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0), array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3) ); const BLOCKBYTES = 128; const OUTBYTES = 64; const KEYBYTES = 64; /** * Turn two 32-bit integers into a fixed array representing a 64-bit integer. * * @internal You should not use this directly from another application * * @param int $high * @param int $low * @return SplFixedArray * @psalm-suppress MixedAssignment */ public static function new64($high, $low) { if (PHP_INT_SIZE === 4) { throw new SodiumException("Error, use 32-bit"); } $i64 = new SplFixedArray(2); $i64[0] = $high & 0xffffffff; $i64[1] = $low & 0xffffffff; return $i64; } /** * Convert an arbitrary number into an SplFixedArray of two 32-bit integers * that represents a 64-bit integer. * * @internal You should not use this directly from another application * * @param int $num * @return SplFixedArray */ protected static function to64($num) { list($hi, $lo) = self::numericTo64BitInteger($num); return self::new64($hi, $lo); } /** * Adds two 64-bit integers together, returning their sum as a SplFixedArray * containing two 32-bit integers (representing a 64-bit integer). * * @internal You should not use this directly from another application * * @param SplFixedArray $x * @param SplFixedArray $y * @return SplFixedArray * @psalm-suppress MixedArgument * @psalm-suppress MixedAssignment * @psalm-suppress MixedOperand */ protected static function add64($x, $y) { if (PHP_INT_SIZE === 4) { throw new SodiumException("Error, use 32-bit"); } $l = ($x[1] + $y[1]) & 0xffffffff; return self::new64( (int) ($x[0] + $y[0] + ( ($l < $x[1]) ? 1 : 0 )), (int) $l ); } /** * @internal You should not use this directly from another application * * @param SplFixedArray $x * @param SplFixedArray $y * @param SplFixedArray $z * @return SplFixedArray */ protected static function add364($x, $y, $z) { return self::add64($x, self::add64($y, $z)); } /** * @internal You should not use this directly from another application * * @param SplFixedArray $x * @param SplFixedArray $y * @return SplFixedArray * @throws SodiumException * @throws TypeError */ protected static function xor64(SplFixedArray $x, SplFixedArray $y) { if (PHP_INT_SIZE === 4) { throw new SodiumException("Error, use 32-bit"); } if (!is_numeric($x[0])) { throw new SodiumException('x[0] is not an integer'); } if (!is_numeric($x[1])) { throw new SodiumException('x[1] is not an integer'); } if (!is_numeric($y[0])) { throw new SodiumException('y[0] is not an integer'); } if (!is_numeric($y[1])) { throw new SodiumException('y[1] is not an integer'); } return self::new64( (int) (($x[0] ^ $y[0]) & 0xffffffff), (int) (($x[1] ^ $y[1]) & 0xffffffff) ); } /** * @internal You should not use this directly from another application * * @param SplFixedArray $x * @param int $c * @return SplFixedArray * @psalm-suppress MixedAssignment */ public static function rotr64($x, $c) { if (PHP_INT_SIZE === 4) { throw new SodiumException("Error, use 32-bit"); } if ($c >= 64) { $c %= 64; } if ($c >= 32) { /** @var int $tmp */ $tmp = $x[0]; $x[0] = $x[1]; $x[1] = $tmp; $c -= 32; } if ($c === 0) { return $x; } $l0 = 0; $c = 64 - $c; /** @var int $c */ if ($c < 32) { $h0 = ((int) ($x[0]) << $c) | ( ( (int) ($x[1]) & ((1 << $c) - 1) << (32 - $c) ) >> (32 - $c) ); $l0 = (int) ($x[1]) << $c; } else { $h0 = (int) ($x[1]) << ($c - 32); } $h1 = 0; $c1 = 64 - $c; if ($c1 < 32) { $h1 = (int) ($x[0]) >> $c1; $l1 = ((int) ($x[1]) >> $c1) | ((int) ($x[0]) & ((1 << $c1) - 1)) << (32 - $c1); } else { $l1 = (int) ($x[0]) >> ($c1 - 32); } return self::new64($h0 | $h1, $l0 | $l1); } /** * @internal You should not use this directly from another application * * @param SplFixedArray $x * @return int * @psalm-suppress MixedOperand */ protected static function flatten64($x) { return (int) ($x[0] * 4294967296 + $x[1]); } /** * @internal You should not use this directly from another application * * @param SplFixedArray $x * @param int $i * @return SplFixedArray * @psalm-suppress MixedArgument * @psalm-suppress MixedArrayOffset */ protected static function load64(SplFixedArray $x, $i) { /** @var int $l */ $l = (int) ($x[$i]) | ((int) ($x[$i+1]) << 8) | ((int) ($x[$i+2]) << 16) | ((int) ($x[$i+3]) << 24); /** @var int $h */ $h = (int) ($x[$i+4]) | ((int) ($x[$i+5]) << 8) | ((int) ($x[$i+6]) << 16) | ((int) ($x[$i+7]) << 24); return self::new64($h, $l); } /** * @internal You should not use this directly from another application * * @param SplFixedArray $x * @param int $i * @param SplFixedArray $u * @return void * @psalm-suppress MixedAssignment */ protected static function store64(SplFixedArray $x, $i, SplFixedArray $u) { $maxLength = $x->getSize() - 1; for ($j = 0; $j < 8; ++$j) { /* [0, 1, 2, 3, 4, 5, 6, 7] ... becomes ... [0, 0, 0, 0, 1, 1, 1, 1] */ /** @var int $uIdx */ $uIdx = ((7 - $j) & 4) >> 2; $x[$i] = ((int) ($u[$uIdx]) & 0xff); if (++$i > $maxLength) { return; } /** @psalm-suppress MixedOperand */ $u[$uIdx] >>= 8; } } /** * This just sets the $iv static variable. * * @internal You should not use this directly from another application * * @return void */ public static function pseudoConstructor() { static $called = false; if ($called) { return; } self::$iv = new SplFixedArray(8); self::$iv[0] = self::new64(0x6a09e667, 0xf3bcc908); self::$iv[1] = self::new64(0xbb67ae85, 0x84caa73b); self::$iv[2] = self::new64(0x3c6ef372, 0xfe94f82b); self::$iv[3] = self::new64(0xa54ff53a, 0x5f1d36f1); self::$iv[4] = self::new64(0x510e527f, 0xade682d1); self::$iv[5] = self::new64(0x9b05688c, 0x2b3e6c1f); self::$iv[6] = self::new64(0x1f83d9ab, 0xfb41bd6b); self::$iv[7] = self::new64(0x5be0cd19, 0x137e2179); $called = true; } /** * Returns a fresh BLAKE2 context. * * @internal You should not use this directly from another application * * @return SplFixedArray * @psalm-suppress MixedAssignment * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment */ protected static function context() { $ctx = new SplFixedArray(6); $ctx[0] = new SplFixedArray(8); // h $ctx[1] = new SplFixedArray(2); // t $ctx[2] = new SplFixedArray(2); // f $ctx[3] = new SplFixedArray(256); // buf $ctx[4] = 0; // buflen $ctx[5] = 0; // last_node (uint8_t) for ($i = 8; $i--;) { $ctx[0][$i] = self::$iv[$i]; } for ($i = 256; $i--;) { $ctx[3][$i] = 0; } $zero = self::new64(0, 0); $ctx[1][0] = $zero; $ctx[1][1] = $zero; $ctx[2][0] = $zero; $ctx[2][1] = $zero; return $ctx; } /** * @internal You should not use this directly from another application * * @param SplFixedArray $ctx * @param SplFixedArray $buf * @return void * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedAssignment * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedArrayOffset */ protected static function compress(SplFixedArray $ctx, SplFixedArray $buf) { $m = new SplFixedArray(16); $v = new SplFixedArray(16); for ($i = 16; $i--;) { $m[$i] = self::load64($buf, $i << 3); } for ($i = 8; $i--;) { $v[$i] = $ctx[0][$i]; } $v[ 8] = self::$iv[0]; $v[ 9] = self::$iv[1]; $v[10] = self::$iv[2]; $v[11] = self::$iv[3]; $v[12] = self::xor64($ctx[1][0], self::$iv[4]); $v[13] = self::xor64($ctx[1][1], self::$iv[5]); $v[14] = self::xor64($ctx[2][0], self::$iv[6]); $v[15] = self::xor64($ctx[2][1], self::$iv[7]); for ($r = 0; $r < 12; ++$r) { $v = self::G($r, 0, 0, 4, 8, 12, $v, $m); $v = self::G($r, 1, 1, 5, 9, 13, $v, $m); $v = self::G($r, 2, 2, 6, 10, 14, $v, $m); $v = self::G($r, 3, 3, 7, 11, 15, $v, $m); $v = self::G($r, 4, 0, 5, 10, 15, $v, $m); $v = self::G($r, 5, 1, 6, 11, 12, $v, $m); $v = self::G($r, 6, 2, 7, 8, 13, $v, $m); $v = self::G($r, 7, 3, 4, 9, 14, $v, $m); } for ($i = 8; $i--;) { $ctx[0][$i] = self::xor64( $ctx[0][$i], self::xor64($v[$i], $v[$i+8]) ); } } /** * @internal You should not use this directly from another application * * @param int $r * @param int $i * @param int $a * @param int $b * @param int $c * @param int $d * @param SplFixedArray $v * @param SplFixedArray $m * @return SplFixedArray * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedArrayOffset */ public static function G($r, $i, $a, $b, $c, $d, SplFixedArray $v, SplFixedArray $m) { $v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][$i << 1]]); $v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 32); $v[$c] = self::add64($v[$c], $v[$d]); $v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 24); $v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][($i << 1) + 1]]); $v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 16); $v[$c] = self::add64($v[$c], $v[$d]); $v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 63); return $v; } /** * @internal You should not use this directly from another application * * @param SplFixedArray $ctx * @param int $inc * @return void * @throws SodiumException * @psalm-suppress MixedArgument * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment */ public static function increment_counter($ctx, $inc) { if ($inc < 0) { throw new SodiumException('Increasing by a negative number makes no sense.'); } $t = self::to64($inc); # S->t is $ctx[1] in our implementation # S->t[0] = ( uint64_t )( t >> 0 ); $ctx[1][0] = self::add64($ctx[1][0], $t); # S->t[1] += ( S->t[0] < inc ); if (self::flatten64($ctx[1][0]) < $inc) { $ctx[1][1] = self::add64($ctx[1][1], self::to64(1)); } } /** * @internal You should not use this directly from another application * * @param SplFixedArray $ctx * @param SplFixedArray $p * @param int $plen * @return void * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedAssignment * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedArrayOffset * @psalm-suppress MixedOperand */ public static function update(SplFixedArray $ctx, SplFixedArray $p, $plen) { self::pseudoConstructor(); $offset = 0; while ($plen > 0) { $left = $ctx[4]; $fill = 256 - $left; if ($plen > $fill) { # memcpy( S->buf + left, in, fill ); /* Fill buffer */ for ($i = $fill; $i--;) { $ctx[3][$i + $left] = $p[$i + $offset]; } # S->buflen += fill; $ctx[4] += $fill; # blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES ); self::increment_counter($ctx, 128); # blake2b_compress( S, S->buf ); /* Compress */ self::compress($ctx, $ctx[3]); # memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); /* Shift buffer left */ for ($i = 128; $i--;) { $ctx[3][$i] = $ctx[3][$i + 128]; } # S->buflen -= BLAKE2B_BLOCKBYTES; $ctx[4] -= 128; # in += fill; $offset += $fill; # inlen -= fill; $plen -= $fill; } else { for ($i = $plen; $i--;) { $ctx[3][$i + $left] = $p[$i + $offset]; } $ctx[4] += $plen; $offset += $plen; $plen -= $plen; } } } /** * @internal You should not use this directly from another application * * @param SplFixedArray $ctx * @param SplFixedArray $out * @return SplFixedArray * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedAssignment * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedArrayOffset * @psalm-suppress MixedOperand */ public static function finish(SplFixedArray $ctx, SplFixedArray $out) { self::pseudoConstructor(); if ($ctx[4] > 128) { self::increment_counter($ctx, 128); self::compress($ctx, $ctx[3]); $ctx[4] -= 128; if ($ctx[4] > 128) { throw new SodiumException('Failed to assert that buflen <= 128 bytes'); } for ($i = $ctx[4]; $i--;) { $ctx[3][$i] = $ctx[3][$i + 128]; } } self::increment_counter($ctx, $ctx[4]); $ctx[2][0] = self::new64(0xffffffff, 0xffffffff); for ($i = 256 - $ctx[4]; $i--;) { $ctx[3][$i+$ctx[4]] = 0; } self::compress($ctx, $ctx[3]); $i = (int) (($out->getSize() - 1) / 8); for (; $i >= 0; --$i) { self::store64($out, $i << 3, $ctx[0][$i]); } return $out; } /** * @internal You should not use this directly from another application * * @param SplFixedArray|null $key * @param int $outlen * @param SplFixedArray|null $salt * @param SplFixedArray|null $personal * @return SplFixedArray * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedAssignment * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedArrayOffset */ public static function init( $key = null, $outlen = 64, $salt = null, $personal = null ) { self::pseudoConstructor(); $klen = 0; if ($key !== null) { if (count($key) > 64) { throw new SodiumException('Invalid key size'); } $klen = count($key); } if ($outlen > 64) { throw new SodiumException('Invalid output size'); } $ctx = self::context(); $p = new SplFixedArray(64); // Zero our param buffer... for ($i = 64; --$i;) { $p[$i] = 0; } $p[0] = $outlen; // digest_length $p[1] = $klen; // key_length $p[2] = 1; // fanout $p[3] = 1; // depth if ($salt instanceof SplFixedArray) { // salt: [32] through [47] for ($i = 0; $i < 16; ++$i) { $p[32 + $i] = (int) $salt[$i]; } } if ($personal instanceof SplFixedArray) { // personal: [48] through [63] for ($i = 0; $i < 16; ++$i) { $p[48 + $i] = (int) $personal[$i]; } } $ctx[0][0] = self::xor64( $ctx[0][0], self::load64($p, 0) ); if ($salt instanceof SplFixedArray || $personal instanceof SplFixedArray) { // We need to do what blake2b_init_param() does: for ($i = 1; $i < 8; ++$i) { $ctx[0][$i] = self::xor64( $ctx[0][$i], self::load64($p, $i << 3) ); } } if ($klen > 0 && $key instanceof SplFixedArray) { $block = new SplFixedArray(128); for ($i = 128; $i--;) { $block[$i] = 0; } for ($i = $klen; $i--;) { $block[$i] = $key[$i]; } self::update($ctx, $block, 128); $ctx[4] = 128; } return $ctx; } /** * Convert a string into an SplFixedArray of integers * * @internal You should not use this directly from another application * * @param string $str * @return SplFixedArray * @psalm-suppress MixedArgumentTypeCoercion */ public static function stringToSplFixedArray($str = '') { $values = unpack('C*', $str); return SplFixedArray::fromArray(array_values($values)); } /** * Convert an SplFixedArray of integers into a string * * @internal You should not use this directly from another application * * @param SplFixedArray $a * @return string * @throws TypeError */ public static function SplFixedArrayToString(SplFixedArray $a) { /** * @var array<int, int|string> $arr */ $arr = $a->toArray(); $c = $a->count(); array_unshift($arr, str_repeat('C', $c)); return (string) (call_user_func_array('pack', $arr)); } /** * @internal You should not use this directly from another application * * @param SplFixedArray $ctx * @return string * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedAssignment * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedArrayOffset * @psalm-suppress MixedMethodCall */ public static function contextToString(SplFixedArray $ctx) { $str = ''; /** @var array<int, array<int, int>> $ctxA */ $ctxA = $ctx[0]->toArray(); # uint64_t h[8]; for ($i = 0; $i < 8; ++$i) { $str .= self::store32_le($ctxA[$i][1]); $str .= self::store32_le($ctxA[$i][0]); } # uint64_t t[2]; # uint64_t f[2]; for ($i = 1; $i < 3; ++$i) { $ctxA = $ctx[$i]->toArray(); $str .= self::store32_le($ctxA[0][1]); $str .= self::store32_le($ctxA[0][0]); $str .= self::store32_le($ctxA[1][1]); $str .= self::store32_le($ctxA[1][0]); } # uint8_t buf[2 * 128]; $str .= self::SplFixedArrayToString($ctx[3]); /** @var int $ctx4 */ $ctx4 = (int) $ctx[4]; # size_t buflen; $str .= implode('', array( self::intToChr($ctx4 & 0xff), self::intToChr(($ctx4 >> 8) & 0xff), self::intToChr(($ctx4 >> 16) & 0xff), self::intToChr(($ctx4 >> 24) & 0xff), self::intToChr(($ctx4 >> 32) & 0xff), self::intToChr(($ctx4 >> 40) & 0xff), self::intToChr(($ctx4 >> 48) & 0xff), self::intToChr(($ctx4 >> 56) & 0xff) )); # uint8_t last_node; return $str . self::intToChr($ctx[5]) . str_repeat("\x00", 23); } /** * Creates an SplFixedArray containing other SplFixedArray elements, from * a string (compatible with \Sodium\crypto_generichash_{init, update, final}) * * @internal You should not use this directly from another application * * @param string $string * @return SplFixedArray * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArrayAssignment */ public static function stringToContext($string) { $ctx = self::context(); # uint64_t h[8]; for ($i = 0; $i < 8; ++$i) { $ctx[0][$i] = SplFixedArray::fromArray( array( self::load_4( self::substr($string, (($i << 3) + 4), 4) ), self::load_4( self::substr($string, (($i << 3) + 0), 4) ) ) ); } # uint64_t t[2]; # uint64_t f[2]; for ($i = 1; $i < 3; ++$i) { $ctx[$i][1] = SplFixedArray::fromArray( array( self::load_4(self::substr($string, 76 + (($i - 1) << 4), 4)), self::load_4(self::substr($string, 72 + (($i - 1) << 4), 4)) ) ); $ctx[$i][0] = SplFixedArray::fromArray( array( self::load_4(self::substr($string, 68 + (($i - 1) << 4), 4)), self::load_4(self::substr($string, 64 + (($i - 1) << 4), 4)) ) ); } # uint8_t buf[2 * 128]; $ctx[3] = self::stringToSplFixedArray(self::substr($string, 96, 256)); # uint8_t buf[2 * 128]; $int = 0; for ($i = 0; $i < 8; ++$i) { $int |= self::chrToInt($string[352 + $i]) << ($i << 3); } $ctx[4] = $int; return $ctx; } } Core/ChaCha20/Ctx.php 0000644 00000007546 14717743076 0010210 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_ChaCha20_Ctx', false)) { return; } /** * Class ParagonIE_Sodium_Core_ChaCha20_Ctx */ class ParagonIE_Sodium_Core_ChaCha20_Ctx extends ParagonIE_Sodium_Core_Util implements ArrayAccess { /** * @var SplFixedArray internally, <int, int> */ protected $container; /** * ParagonIE_Sodium_Core_ChaCha20_Ctx constructor. * * @internal You should not use this directly from another application * * @param string $key ChaCha20 key. * @param string $iv Initialization Vector (a.k.a. nonce). * @param string $counter The initial counter value. * Defaults to 8 0x00 bytes. * @throws InvalidArgumentException * @throws TypeError */ public function __construct($key = '', $iv = '', $counter = '') { if (self::strlen($key) !== 32) { throw new InvalidArgumentException('ChaCha20 expects a 256-bit key.'); } if (self::strlen($iv) !== 8) { throw new InvalidArgumentException('ChaCha20 expects a 64-bit nonce.'); } $this->container = new SplFixedArray(16); /* "expand 32-byte k" as per ChaCha20 spec */ $this->container[0] = 0x61707865; $this->container[1] = 0x3320646e; $this->container[2] = 0x79622d32; $this->container[3] = 0x6b206574; $this->container[4] = self::load_4(self::substr($key, 0, 4)); $this->container[5] = self::load_4(self::substr($key, 4, 4)); $this->container[6] = self::load_4(self::substr($key, 8, 4)); $this->container[7] = self::load_4(self::substr($key, 12, 4)); $this->container[8] = self::load_4(self::substr($key, 16, 4)); $this->container[9] = self::load_4(self::substr($key, 20, 4)); $this->container[10] = self::load_4(self::substr($key, 24, 4)); $this->container[11] = self::load_4(self::substr($key, 28, 4)); if (empty($counter)) { $this->container[12] = 0; $this->container[13] = 0; } else { $this->container[12] = self::load_4(self::substr($counter, 0, 4)); $this->container[13] = self::load_4(self::substr($counter, 4, 4)); } $this->container[14] = self::load_4(self::substr($iv, 0, 4)); $this->container[15] = self::load_4(self::substr($iv, 4, 4)); } /** * @internal You should not use this directly from another application * * @param int $offset * @param int $value * @return void * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetSet($offset, $value) { if (!is_int($offset)) { throw new InvalidArgumentException('Expected an integer'); } if (!is_int($value)) { throw new InvalidArgumentException('Expected an integer'); } $this->container[$offset] = $value; } /** * @internal You should not use this directly from another application * * @param int $offset * @return bool */ #[ReturnTypeWillChange] public function offsetExists($offset) { return isset($this->container[$offset]); } /** * @internal You should not use this directly from another application * * @param int $offset * @return void * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetUnset($offset) { unset($this->container[$offset]); } /** * @internal You should not use this directly from another application * * @param int $offset * @return mixed|null * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetGet($offset) { return isset($this->container[$offset]) ? $this->container[$offset] : null; } } Core/ChaCha20/IetfCtx.php 0000644 00000002452 14717743076 0011007 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_ChaCha20_IetfCtx', false)) { return; } /** * Class ParagonIE_Sodium_Core_ChaCha20_IetfCtx */ class ParagonIE_Sodium_Core_ChaCha20_IetfCtx extends ParagonIE_Sodium_Core_ChaCha20_Ctx { /** * ParagonIE_Sodium_Core_ChaCha20_IetfCtx constructor. * * @internal You should not use this directly from another application * * @param string $key ChaCha20 key. * @param string $iv Initialization Vector (a.k.a. nonce). * @param string $counter The initial counter value. * Defaults to 4 0x00 bytes. * @throws InvalidArgumentException * @throws TypeError */ public function __construct($key = '', $iv = '', $counter = '') { if (self::strlen($iv) !== 12) { throw new InvalidArgumentException('ChaCha20 expects a 96-bit nonce in IETF mode.'); } parent::__construct($key, self::substr($iv, 0, 8), $counter); if (!empty($counter)) { $this->container[12] = self::load_4(self::substr($counter, 0, 4)); } $this->container[13] = self::load_4(self::substr($iv, 0, 4)); $this->container[14] = self::load_4(self::substr($iv, 4, 4)); $this->container[15] = self::load_4(self::substr($iv, 8, 4)); } } Core/X25519.php 0000644 00000022352 14717743076 0007006 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_X25519', false)) { return; } /** * Class ParagonIE_Sodium_Core_X25519 */ abstract class ParagonIE_Sodium_Core_X25519 extends ParagonIE_Sodium_Core_Curve25519 { /** * Alters the objects passed to this method in place. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @param ParagonIE_Sodium_Core_Curve25519_Fe $g * @param int $b * @return void * @psalm-suppress MixedAssignment */ public static function fe_cswap( ParagonIE_Sodium_Core_Curve25519_Fe $f, ParagonIE_Sodium_Core_Curve25519_Fe $g, $b = 0 ) { $f0 = (int) $f[0]; $f1 = (int) $f[1]; $f2 = (int) $f[2]; $f3 = (int) $f[3]; $f4 = (int) $f[4]; $f5 = (int) $f[5]; $f6 = (int) $f[6]; $f7 = (int) $f[7]; $f8 = (int) $f[8]; $f9 = (int) $f[9]; $g0 = (int) $g[0]; $g1 = (int) $g[1]; $g2 = (int) $g[2]; $g3 = (int) $g[3]; $g4 = (int) $g[4]; $g5 = (int) $g[5]; $g6 = (int) $g[6]; $g7 = (int) $g[7]; $g8 = (int) $g[8]; $g9 = (int) $g[9]; $b = -$b; $x0 = ($f0 ^ $g0) & $b; $x1 = ($f1 ^ $g1) & $b; $x2 = ($f2 ^ $g2) & $b; $x3 = ($f3 ^ $g3) & $b; $x4 = ($f4 ^ $g4) & $b; $x5 = ($f5 ^ $g5) & $b; $x6 = ($f6 ^ $g6) & $b; $x7 = ($f7 ^ $g7) & $b; $x8 = ($f8 ^ $g8) & $b; $x9 = ($f9 ^ $g9) & $b; $f[0] = $f0 ^ $x0; $f[1] = $f1 ^ $x1; $f[2] = $f2 ^ $x2; $f[3] = $f3 ^ $x3; $f[4] = $f4 ^ $x4; $f[5] = $f5 ^ $x5; $f[6] = $f6 ^ $x6; $f[7] = $f7 ^ $x7; $f[8] = $f8 ^ $x8; $f[9] = $f9 ^ $x9; $g[0] = $g0 ^ $x0; $g[1] = $g1 ^ $x1; $g[2] = $g2 ^ $x2; $g[3] = $g3 ^ $x3; $g[4] = $g4 ^ $x4; $g[5] = $g5 ^ $x5; $g[6] = $g6 ^ $x6; $g[7] = $g7 ^ $x7; $g[8] = $g8 ^ $x8; $g[9] = $g9 ^ $x9; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function fe_mul121666(ParagonIE_Sodium_Core_Curve25519_Fe $f) { $h = array( self::mul((int) $f[0], 121666, 17), self::mul((int) $f[1], 121666, 17), self::mul((int) $f[2], 121666, 17), self::mul((int) $f[3], 121666, 17), self::mul((int) $f[4], 121666, 17), self::mul((int) $f[5], 121666, 17), self::mul((int) $f[6], 121666, 17), self::mul((int) $f[7], 121666, 17), self::mul((int) $f[8], 121666, 17), self::mul((int) $f[9], 121666, 17) ); /** @var int $carry9 */ $carry9 = ($h[9] + (1 << 24)) >> 25; $h[0] += self::mul($carry9, 19, 5); $h[9] -= $carry9 << 25; /** @var int $carry1 */ $carry1 = ($h[1] + (1 << 24)) >> 25; $h[2] += $carry1; $h[1] -= $carry1 << 25; /** @var int $carry3 */ $carry3 = ($h[3] + (1 << 24)) >> 25; $h[4] += $carry3; $h[3] -= $carry3 << 25; /** @var int $carry5 */ $carry5 = ($h[5] + (1 << 24)) >> 25; $h[6] += $carry5; $h[5] -= $carry5 << 25; /** @var int $carry7 */ $carry7 = ($h[7] + (1 << 24)) >> 25; $h[8] += $carry7; $h[7] -= $carry7 << 25; /** @var int $carry0 */ $carry0 = ($h[0] + (1 << 25)) >> 26; $h[1] += $carry0; $h[0] -= $carry0 << 26; /** @var int $carry2 */ $carry2 = ($h[2] + (1 << 25)) >> 26; $h[3] += $carry2; $h[2] -= $carry2 << 26; /** @var int $carry4 */ $carry4 = ($h[4] + (1 << 25)) >> 26; $h[5] += $carry4; $h[4] -= $carry4 << 26; /** @var int $carry6 */ $carry6 = ($h[6] + (1 << 25)) >> 26; $h[7] += $carry6; $h[6] -= $carry6 << 26; /** @var int $carry8 */ $carry8 = ($h[8] + (1 << 25)) >> 26; $h[9] += $carry8; $h[8] -= $carry8 << 26; foreach ($h as $i => $value) { $h[$i] = (int) $value; } return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($h); } /** * @internal You should not use this directly from another application * * Inline comments preceded by # are from libsodium's ref10 code. * * @param string $n * @param string $p * @return string * @throws SodiumException * @throws TypeError */ public static function crypto_scalarmult_curve25519_ref10($n, $p) { # for (i = 0;i < 32;++i) e[i] = n[i]; $e = '' . $n; # e[0] &= 248; $e[0] = self::intToChr( self::chrToInt($e[0]) & 248 ); # e[31] &= 127; # e[31] |= 64; $e[31] = self::intToChr( (self::chrToInt($e[31]) & 127) | 64 ); # fe_frombytes(x1,p); $x1 = self::fe_frombytes($p); # fe_1(x2); $x2 = self::fe_1(); # fe_0(z2); $z2 = self::fe_0(); # fe_copy(x3,x1); $x3 = self::fe_copy($x1); # fe_1(z3); $z3 = self::fe_1(); # swap = 0; /** @var int $swap */ $swap = 0; # for (pos = 254;pos >= 0;--pos) { for ($pos = 254; $pos >= 0; --$pos) { # b = e[pos / 8] >> (pos & 7); /** @var int $b */ $b = self::chrToInt( $e[(int) floor($pos / 8)] ) >> ($pos & 7); # b &= 1; $b &= 1; # swap ^= b; $swap ^= $b; # fe_cswap(x2,x3,swap); self::fe_cswap($x2, $x3, $swap); # fe_cswap(z2,z3,swap); self::fe_cswap($z2, $z3, $swap); # swap = b; $swap = $b; # fe_sub(tmp0,x3,z3); $tmp0 = self::fe_sub($x3, $z3); # fe_sub(tmp1,x2,z2); $tmp1 = self::fe_sub($x2, $z2); # fe_add(x2,x2,z2); $x2 = self::fe_add($x2, $z2); # fe_add(z2,x3,z3); $z2 = self::fe_add($x3, $z3); # fe_mul(z3,tmp0,x2); $z3 = self::fe_mul($tmp0, $x2); # fe_mul(z2,z2,tmp1); $z2 = self::fe_mul($z2, $tmp1); # fe_sq(tmp0,tmp1); $tmp0 = self::fe_sq($tmp1); # fe_sq(tmp1,x2); $tmp1 = self::fe_sq($x2); # fe_add(x3,z3,z2); $x3 = self::fe_add($z3, $z2); # fe_sub(z2,z3,z2); $z2 = self::fe_sub($z3, $z2); # fe_mul(x2,tmp1,tmp0); $x2 = self::fe_mul($tmp1, $tmp0); # fe_sub(tmp1,tmp1,tmp0); $tmp1 = self::fe_sub($tmp1, $tmp0); # fe_sq(z2,z2); $z2 = self::fe_sq($z2); # fe_mul121666(z3,tmp1); $z3 = self::fe_mul121666($tmp1); # fe_sq(x3,x3); $x3 = self::fe_sq($x3); # fe_add(tmp0,tmp0,z3); $tmp0 = self::fe_add($tmp0, $z3); # fe_mul(z3,x1,z2); $z3 = self::fe_mul($x1, $z2); # fe_mul(z2,tmp1,tmp0); $z2 = self::fe_mul($tmp1, $tmp0); } # fe_cswap(x2,x3,swap); self::fe_cswap($x2, $x3, $swap); # fe_cswap(z2,z3,swap); self::fe_cswap($z2, $z3, $swap); # fe_invert(z2,z2); $z2 = self::fe_invert($z2); # fe_mul(x2,x2,z2); $x2 = self::fe_mul($x2, $z2); # fe_tobytes(q,x2); return self::fe_tobytes($x2); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $edwardsY * @param ParagonIE_Sodium_Core_Curve25519_Fe $edwardsZ * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function edwards_to_montgomery( ParagonIE_Sodium_Core_Curve25519_Fe $edwardsY, ParagonIE_Sodium_Core_Curve25519_Fe $edwardsZ ) { $tempX = self::fe_add($edwardsZ, $edwardsY); $tempZ = self::fe_sub($edwardsZ, $edwardsY); $tempZ = self::fe_invert($tempZ); return self::fe_mul($tempX, $tempZ); } /** * @internal You should not use this directly from another application * * @param string $n * @return string * @throws SodiumException * @throws TypeError */ public static function crypto_scalarmult_curve25519_ref10_base($n) { # for (i = 0;i < 32;++i) e[i] = n[i]; $e = '' . $n; # e[0] &= 248; $e[0] = self::intToChr( self::chrToInt($e[0]) & 248 ); # e[31] &= 127; # e[31] |= 64; $e[31] = self::intToChr( (self::chrToInt($e[31]) & 127) | 64 ); $A = self::ge_scalarmult_base($e); if ( !($A->Y instanceof ParagonIE_Sodium_Core_Curve25519_Fe) || !($A->Z instanceof ParagonIE_Sodium_Core_Curve25519_Fe) ) { throw new TypeError('Null points encountered'); } $pk = self::edwards_to_montgomery($A->Y, $A->Z); return self::fe_tobytes($pk); } } Core/XSalsa20.php 0000644 00000002533 14717743076 0007525 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_XSalsa20', false)) { return; } /** * Class ParagonIE_Sodium_Core_XSalsa20 */ abstract class ParagonIE_Sodium_Core_XSalsa20 extends ParagonIE_Sodium_Core_HSalsa20 { /** * Expand a key and nonce into an xsalsa20 keystream. * * @internal You should not use this directly from another application * * @param int $len * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function xsalsa20($len, $nonce, $key) { $ret = self::salsa20( $len, self::substr($nonce, 16, 8), self::hsalsa20($nonce, $key) ); return $ret; } /** * Encrypt a string with XSalsa20. Doesn't provide integrity. * * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function xsalsa20_xor($message, $nonce, $key) { return self::xorStrings( $message, self::xsalsa20( self::strlen($message), $nonce, $key ) ); } } Core/Salsa20.php 0000644 00000020051 14717743076 0007370 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Salsa20', false)) { return; } /** * Class ParagonIE_Sodium_Core_Salsa20 */ abstract class ParagonIE_Sodium_Core_Salsa20 extends ParagonIE_Sodium_Core_Util { const ROUNDS = 20; /** * Calculate an salsa20 hash of a single block * * @internal You should not use this directly from another application * * @param string $in * @param string $k * @param string|null $c * @return string * @throws TypeError */ public static function core_salsa20($in, $k, $c = null) { if (self::strlen($k) < 32) { throw new RangeException('Key must be 32 bytes long'); } if ($c === null) { $j0 = $x0 = 0x61707865; $j5 = $x5 = 0x3320646e; $j10 = $x10 = 0x79622d32; $j15 = $x15 = 0x6b206574; } else { $j0 = $x0 = self::load_4(self::substr($c, 0, 4)); $j5 = $x5 = self::load_4(self::substr($c, 4, 4)); $j10 = $x10 = self::load_4(self::substr($c, 8, 4)); $j15 = $x15 = self::load_4(self::substr($c, 12, 4)); } $j1 = $x1 = self::load_4(self::substr($k, 0, 4)); $j2 = $x2 = self::load_4(self::substr($k, 4, 4)); $j3 = $x3 = self::load_4(self::substr($k, 8, 4)); $j4 = $x4 = self::load_4(self::substr($k, 12, 4)); $j6 = $x6 = self::load_4(self::substr($in, 0, 4)); $j7 = $x7 = self::load_4(self::substr($in, 4, 4)); $j8 = $x8 = self::load_4(self::substr($in, 8, 4)); $j9 = $x9 = self::load_4(self::substr($in, 12, 4)); $j11 = $x11 = self::load_4(self::substr($k, 16, 4)); $j12 = $x12 = self::load_4(self::substr($k, 20, 4)); $j13 = $x13 = self::load_4(self::substr($k, 24, 4)); $j14 = $x14 = self::load_4(self::substr($k, 28, 4)); for ($i = self::ROUNDS; $i > 0; $i -= 2) { $x4 ^= self::rotate($x0 + $x12, 7); $x8 ^= self::rotate($x4 + $x0, 9); $x12 ^= self::rotate($x8 + $x4, 13); $x0 ^= self::rotate($x12 + $x8, 18); $x9 ^= self::rotate($x5 + $x1, 7); $x13 ^= self::rotate($x9 + $x5, 9); $x1 ^= self::rotate($x13 + $x9, 13); $x5 ^= self::rotate($x1 + $x13, 18); $x14 ^= self::rotate($x10 + $x6, 7); $x2 ^= self::rotate($x14 + $x10, 9); $x6 ^= self::rotate($x2 + $x14, 13); $x10 ^= self::rotate($x6 + $x2, 18); $x3 ^= self::rotate($x15 + $x11, 7); $x7 ^= self::rotate($x3 + $x15, 9); $x11 ^= self::rotate($x7 + $x3, 13); $x15 ^= self::rotate($x11 + $x7, 18); $x1 ^= self::rotate($x0 + $x3, 7); $x2 ^= self::rotate($x1 + $x0, 9); $x3 ^= self::rotate($x2 + $x1, 13); $x0 ^= self::rotate($x3 + $x2, 18); $x6 ^= self::rotate($x5 + $x4, 7); $x7 ^= self::rotate($x6 + $x5, 9); $x4 ^= self::rotate($x7 + $x6, 13); $x5 ^= self::rotate($x4 + $x7, 18); $x11 ^= self::rotate($x10 + $x9, 7); $x8 ^= self::rotate($x11 + $x10, 9); $x9 ^= self::rotate($x8 + $x11, 13); $x10 ^= self::rotate($x9 + $x8, 18); $x12 ^= self::rotate($x15 + $x14, 7); $x13 ^= self::rotate($x12 + $x15, 9); $x14 ^= self::rotate($x13 + $x12, 13); $x15 ^= self::rotate($x14 + $x13, 18); } $x0 += $j0; $x1 += $j1; $x2 += $j2; $x3 += $j3; $x4 += $j4; $x5 += $j5; $x6 += $j6; $x7 += $j7; $x8 += $j8; $x9 += $j9; $x10 += $j10; $x11 += $j11; $x12 += $j12; $x13 += $j13; $x14 += $j14; $x15 += $j15; return self::store32_le($x0) . self::store32_le($x1) . self::store32_le($x2) . self::store32_le($x3) . self::store32_le($x4) . self::store32_le($x5) . self::store32_le($x6) . self::store32_le($x7) . self::store32_le($x8) . self::store32_le($x9) . self::store32_le($x10) . self::store32_le($x11) . self::store32_le($x12) . self::store32_le($x13) . self::store32_le($x14) . self::store32_le($x15); } /** * @internal You should not use this directly from another application * * @param int $len * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function salsa20($len, $nonce, $key) { if (self::strlen($key) !== 32) { throw new RangeException('Key must be 32 bytes long'); } $kcopy = '' . $key; $in = self::substr($nonce, 0, 8) . str_repeat("\0", 8); $c = ''; while ($len >= 64) { $c .= self::core_salsa20($in, $kcopy, null); $u = 1; // Internal counter. for ($i = 8; $i < 16; ++$i) { $u += self::chrToInt($in[$i]); $in[$i] = self::intToChr($u & 0xff); $u >>= 8; } $len -= 64; } if ($len > 0) { $c .= self::substr( self::core_salsa20($in, $kcopy, null), 0, $len ); } try { ParagonIE_Sodium_Compat::memzero($kcopy); } catch (SodiumException $ex) { $kcopy = null; } return $c; } /** * @internal You should not use this directly from another application * * @param string $m * @param string $n * @param int $ic * @param string $k * @return string * @throws SodiumException * @throws TypeError */ public static function salsa20_xor_ic($m, $n, $ic, $k) { $mlen = self::strlen($m); if ($mlen < 1) { return ''; } $kcopy = self::substr($k, 0, 32); $in = self::substr($n, 0, 8); // Initialize the counter $in .= ParagonIE_Sodium_Core_Util::store64_le($ic); $c = ''; while ($mlen >= 64) { $block = self::core_salsa20($in, $kcopy, null); $c .= self::xorStrings( self::substr($m, 0, 64), self::substr($block, 0, 64) ); $u = 1; for ($i = 8; $i < 16; ++$i) { $u += self::chrToInt($in[$i]); $in[$i] = self::intToChr($u & 0xff); $u >>= 8; } $mlen -= 64; $m = self::substr($m, 64); } if ($mlen) { $block = self::core_salsa20($in, $kcopy, null); $c .= self::xorStrings( self::substr($m, 0, $mlen), self::substr($block, 0, $mlen) ); } try { ParagonIE_Sodium_Compat::memzero($block); ParagonIE_Sodium_Compat::memzero($kcopy); } catch (SodiumException $ex) { $block = null; $kcopy = null; } return $c; } /** * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function salsa20_xor($message, $nonce, $key) { return self::xorStrings( $message, self::salsa20( self::strlen($message), $nonce, $key ) ); } /** * @internal You should not use this directly from another application * * @param int $u * @param int $c * @return int */ public static function rotate($u, $c) { $u &= 0xffffffff; $c %= 32; return (int) (0xffffffff & ( ($u << $c) | ($u >> (32 - $c)) ) ); } } Core/HChaCha20.php 0000644 00000007437 14717743076 0007561 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_HChaCha20', false)) { return; } /** * Class ParagonIE_Sodium_Core_HChaCha20 */ class ParagonIE_Sodium_Core_HChaCha20 extends ParagonIE_Sodium_Core_ChaCha20 { /** * @param string $in * @param string $key * @param string|null $c * @return string * @throws TypeError */ public static function hChaCha20($in = '', $key = '', $c = null) { $ctx = array(); if ($c === null) { $ctx[0] = 0x61707865; $ctx[1] = 0x3320646e; $ctx[2] = 0x79622d32; $ctx[3] = 0x6b206574; } else { $ctx[0] = self::load_4(self::substr($c, 0, 4)); $ctx[1] = self::load_4(self::substr($c, 4, 4)); $ctx[2] = self::load_4(self::substr($c, 8, 4)); $ctx[3] = self::load_4(self::substr($c, 12, 4)); } $ctx[4] = self::load_4(self::substr($key, 0, 4)); $ctx[5] = self::load_4(self::substr($key, 4, 4)); $ctx[6] = self::load_4(self::substr($key, 8, 4)); $ctx[7] = self::load_4(self::substr($key, 12, 4)); $ctx[8] = self::load_4(self::substr($key, 16, 4)); $ctx[9] = self::load_4(self::substr($key, 20, 4)); $ctx[10] = self::load_4(self::substr($key, 24, 4)); $ctx[11] = self::load_4(self::substr($key, 28, 4)); $ctx[12] = self::load_4(self::substr($in, 0, 4)); $ctx[13] = self::load_4(self::substr($in, 4, 4)); $ctx[14] = self::load_4(self::substr($in, 8, 4)); $ctx[15] = self::load_4(self::substr($in, 12, 4)); return self::hChaCha20Bytes($ctx); } /** * @param array $ctx * @return string * @throws TypeError */ protected static function hChaCha20Bytes(array $ctx) { $x0 = (int) $ctx[0]; $x1 = (int) $ctx[1]; $x2 = (int) $ctx[2]; $x3 = (int) $ctx[3]; $x4 = (int) $ctx[4]; $x5 = (int) $ctx[5]; $x6 = (int) $ctx[6]; $x7 = (int) $ctx[7]; $x8 = (int) $ctx[8]; $x9 = (int) $ctx[9]; $x10 = (int) $ctx[10]; $x11 = (int) $ctx[11]; $x12 = (int) $ctx[12]; $x13 = (int) $ctx[13]; $x14 = (int) $ctx[14]; $x15 = (int) $ctx[15]; for ($i = 0; $i < 10; ++$i) { # QUARTERROUND( x0, x4, x8, x12) list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12); # QUARTERROUND( x1, x5, x9, x13) list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13); # QUARTERROUND( x2, x6, x10, x14) list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14); # QUARTERROUND( x3, x7, x11, x15) list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15); # QUARTERROUND( x0, x5, x10, x15) list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15); # QUARTERROUND( x1, x6, x11, x12) list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12); # QUARTERROUND( x2, x7, x8, x13) list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13); # QUARTERROUND( x3, x4, x9, x14) list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14); } return self::store32_le((int) ($x0 & 0xffffffff)) . self::store32_le((int) ($x1 & 0xffffffff)) . self::store32_le((int) ($x2 & 0xffffffff)) . self::store32_le((int) ($x3 & 0xffffffff)) . self::store32_le((int) ($x12 & 0xffffffff)) . self::store32_le((int) ($x13 & 0xffffffff)) . self::store32_le((int) ($x14 & 0xffffffff)) . self::store32_le((int) ($x15 & 0xffffffff)); } } Core/Poly1305/State.php 0000644 00000031160 14717743076 0010502 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Poly1305_State', false)) { return; } /** * Class ParagonIE_Sodium_Core_Poly1305_State */ class ParagonIE_Sodium_Core_Poly1305_State extends ParagonIE_Sodium_Core_Util { /** * @var array<int, int> */ protected $buffer = array(); /** * @var bool */ protected $final = false; /** * @var array<int, int> */ public $h; /** * @var int */ protected $leftover = 0; /** * @var int[] */ public $r; /** * @var int[] */ public $pad; /** * ParagonIE_Sodium_Core_Poly1305_State constructor. * * @internal You should not use this directly from another application * * @param string $key * @throws InvalidArgumentException * @throws TypeError */ public function __construct($key = '') { if (self::strlen($key) < 32) { throw new InvalidArgumentException( 'Poly1305 requires a 32-byte key' ); } /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */ $this->r = array( (int) ((self::load_4(self::substr($key, 0, 4))) & 0x3ffffff), (int) ((self::load_4(self::substr($key, 3, 4)) >> 2) & 0x3ffff03), (int) ((self::load_4(self::substr($key, 6, 4)) >> 4) & 0x3ffc0ff), (int) ((self::load_4(self::substr($key, 9, 4)) >> 6) & 0x3f03fff), (int) ((self::load_4(self::substr($key, 12, 4)) >> 8) & 0x00fffff) ); /* h = 0 */ $this->h = array(0, 0, 0, 0, 0); /* save pad for later */ $this->pad = array( self::load_4(self::substr($key, 16, 4)), self::load_4(self::substr($key, 20, 4)), self::load_4(self::substr($key, 24, 4)), self::load_4(self::substr($key, 28, 4)), ); $this->leftover = 0; $this->final = false; } /** * Zero internal buffer upon destruction */ public function __destruct() { $this->r[0] ^= $this->r[0]; $this->r[1] ^= $this->r[1]; $this->r[2] ^= $this->r[2]; $this->r[3] ^= $this->r[3]; $this->r[4] ^= $this->r[4]; $this->h[0] ^= $this->h[0]; $this->h[1] ^= $this->h[1]; $this->h[2] ^= $this->h[2]; $this->h[3] ^= $this->h[3]; $this->h[4] ^= $this->h[4]; $this->pad[0] ^= $this->pad[0]; $this->pad[1] ^= $this->pad[1]; $this->pad[2] ^= $this->pad[2]; $this->pad[3] ^= $this->pad[3]; $this->leftover = 0; $this->final = true; } /** * @internal You should not use this directly from another application * * @param string $message * @return self * @throws SodiumException * @throws TypeError */ public function update($message = '') { $bytes = self::strlen($message); if ($bytes < 1) { return $this; } /* handle leftover */ if ($this->leftover) { $want = ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - $this->leftover; if ($want > $bytes) { $want = $bytes; } for ($i = 0; $i < $want; ++$i) { $mi = self::chrToInt($message[$i]); $this->buffer[$this->leftover + $i] = $mi; } // We snip off the leftmost bytes. $message = self::substr($message, $want); $bytes = self::strlen($message); $this->leftover += $want; if ($this->leftover < ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) { // We still don't have enough to run $this->blocks() return $this; } $this->blocks( self::intArrayToString($this->buffer), ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE ); $this->leftover = 0; } /* process full blocks */ if ($bytes >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) { /** @var int $want */ $want = $bytes & ~(ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - 1); if ($want >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) { $block = self::substr($message, 0, $want); if (self::strlen($block) >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) { $this->blocks($block, $want); $message = self::substr($message, $want); $bytes = self::strlen($message); } } } /* store leftover */ if ($bytes) { for ($i = 0; $i < $bytes; ++$i) { $mi = self::chrToInt($message[$i]); $this->buffer[$this->leftover + $i] = $mi; } $this->leftover = (int) $this->leftover + $bytes; } return $this; } /** * @internal You should not use this directly from another application * * @param string $message * @param int $bytes * @return self * @throws TypeError */ public function blocks($message, $bytes) { if (self::strlen($message) < 16) { $message = str_pad($message, 16, "\x00", STR_PAD_RIGHT); } /** @var int $hibit */ $hibit = $this->final ? 0 : 1 << 24; /* 1 << 128 */ $r0 = (int) $this->r[0]; $r1 = (int) $this->r[1]; $r2 = (int) $this->r[2]; $r3 = (int) $this->r[3]; $r4 = (int) $this->r[4]; $s1 = self::mul($r1, 5, 3); $s2 = self::mul($r2, 5, 3); $s3 = self::mul($r3, 5, 3); $s4 = self::mul($r4, 5, 3); $h0 = $this->h[0]; $h1 = $this->h[1]; $h2 = $this->h[2]; $h3 = $this->h[3]; $h4 = $this->h[4]; while ($bytes >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) { /* h += m[i] */ $h0 += self::load_4(self::substr($message, 0, 4)) & 0x3ffffff; $h1 += (self::load_4(self::substr($message, 3, 4)) >> 2) & 0x3ffffff; $h2 += (self::load_4(self::substr($message, 6, 4)) >> 4) & 0x3ffffff; $h3 += (self::load_4(self::substr($message, 9, 4)) >> 6) & 0x3ffffff; $h4 += (self::load_4(self::substr($message, 12, 4)) >> 8) | $hibit; /* h *= r */ $d0 = ( self::mul($h0, $r0, 27) + self::mul($s4, $h1, 27) + self::mul($s3, $h2, 27) + self::mul($s2, $h3, 27) + self::mul($s1, $h4, 27) ); $d1 = ( self::mul($h0, $r1, 27) + self::mul($h1, $r0, 27) + self::mul($s4, $h2, 27) + self::mul($s3, $h3, 27) + self::mul($s2, $h4, 27) ); $d2 = ( self::mul($h0, $r2, 27) + self::mul($h1, $r1, 27) + self::mul($h2, $r0, 27) + self::mul($s4, $h3, 27) + self::mul($s3, $h4, 27) ); $d3 = ( self::mul($h0, $r3, 27) + self::mul($h1, $r2, 27) + self::mul($h2, $r1, 27) + self::mul($h3, $r0, 27) + self::mul($s4, $h4, 27) ); $d4 = ( self::mul($h0, $r4, 27) + self::mul($h1, $r3, 27) + self::mul($h2, $r2, 27) + self::mul($h3, $r1, 27) + self::mul($h4, $r0, 27) ); /* (partial) h %= p */ /** @var int $c */ $c = $d0 >> 26; /** @var int $h0 */ $h0 = $d0 & 0x3ffffff; $d1 += $c; /** @var int $c */ $c = $d1 >> 26; /** @var int $h1 */ $h1 = $d1 & 0x3ffffff; $d2 += $c; /** @var int $c */ $c = $d2 >> 26; /** @var int $h2 */ $h2 = $d2 & 0x3ffffff; $d3 += $c; /** @var int $c */ $c = $d3 >> 26; /** @var int $h3 */ $h3 = $d3 & 0x3ffffff; $d4 += $c; /** @var int $c */ $c = $d4 >> 26; /** @var int $h4 */ $h4 = $d4 & 0x3ffffff; $h0 += (int) self::mul($c, 5, 3); /** @var int $c */ $c = $h0 >> 26; /** @var int $h0 */ $h0 &= 0x3ffffff; $h1 += $c; // Chop off the left 32 bytes. $message = self::substr( $message, ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE ); $bytes -= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE; } $this->h = array( (int) ($h0 & 0xffffffff), (int) ($h1 & 0xffffffff), (int) ($h2 & 0xffffffff), (int) ($h3 & 0xffffffff), (int) ($h4 & 0xffffffff) ); return $this; } /** * @internal You should not use this directly from another application * * @return string * @throws TypeError */ public function finish() { /* process the remaining block */ if ($this->leftover) { $i = $this->leftover; $this->buffer[$i++] = 1; for (; $i < ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE; ++$i) { $this->buffer[$i] = 0; } $this->final = true; $this->blocks( self::substr( self::intArrayToString($this->buffer), 0, ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE ), ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE ); } $h0 = (int) $this->h[0]; $h1 = (int) $this->h[1]; $h2 = (int) $this->h[2]; $h3 = (int) $this->h[3]; $h4 = (int) $this->h[4]; /** @var int $c */ $c = $h1 >> 26; /** @var int $h1 */ $h1 &= 0x3ffffff; /** @var int $h2 */ $h2 += $c; /** @var int $c */ $c = $h2 >> 26; /** @var int $h2 */ $h2 &= 0x3ffffff; $h3 += $c; /** @var int $c */ $c = $h3 >> 26; $h3 &= 0x3ffffff; $h4 += $c; /** @var int $c */ $c = $h4 >> 26; $h4 &= 0x3ffffff; /** @var int $h0 */ $h0 += self::mul($c, 5, 3); /** @var int $c */ $c = $h0 >> 26; /** @var int $h0 */ $h0 &= 0x3ffffff; /** @var int $h1 */ $h1 += $c; /* compute h + -p */ /** @var int $g0 */ $g0 = $h0 + 5; /** @var int $c */ $c = $g0 >> 26; /** @var int $g0 */ $g0 &= 0x3ffffff; /** @var int $g1 */ $g1 = $h1 + $c; /** @var int $c */ $c = $g1 >> 26; $g1 &= 0x3ffffff; /** @var int $g2 */ $g2 = $h2 + $c; /** @var int $c */ $c = $g2 >> 26; /** @var int $g2 */ $g2 &= 0x3ffffff; /** @var int $g3 */ $g3 = $h3 + $c; /** @var int $c */ $c = $g3 >> 26; /** @var int $g3 */ $g3 &= 0x3ffffff; /** @var int $g4 */ $g4 = ($h4 + $c - (1 << 26)) & 0xffffffff; /* select h if h < p, or h + -p if h >= p */ /** @var int $mask */ $mask = ($g4 >> 31) - 1; $g0 &= $mask; $g1 &= $mask; $g2 &= $mask; $g3 &= $mask; $g4 &= $mask; /** @var int $mask */ $mask = ~$mask & 0xffffffff; /** @var int $h0 */ $h0 = ($h0 & $mask) | $g0; /** @var int $h1 */ $h1 = ($h1 & $mask) | $g1; /** @var int $h2 */ $h2 = ($h2 & $mask) | $g2; /** @var int $h3 */ $h3 = ($h3 & $mask) | $g3; /** @var int $h4 */ $h4 = ($h4 & $mask) | $g4; /* h = h % (2^128) */ /** @var int $h0 */ $h0 = (($h0) | ($h1 << 26)) & 0xffffffff; /** @var int $h1 */ $h1 = (($h1 >> 6) | ($h2 << 20)) & 0xffffffff; /** @var int $h2 */ $h2 = (($h2 >> 12) | ($h3 << 14)) & 0xffffffff; /** @var int $h3 */ $h3 = (($h3 >> 18) | ($h4 << 8)) & 0xffffffff; /* mac = (h + pad) % (2^128) */ $f = (int) ($h0 + $this->pad[0]); $h0 = (int) $f; $f = (int) ($h1 + $this->pad[1] + ($f >> 32)); $h1 = (int) $f; $f = (int) ($h2 + $this->pad[2] + ($f >> 32)); $h2 = (int) $f; $f = (int) ($h3 + $this->pad[3] + ($f >> 32)); $h3 = (int) $f; return self::store32_le($h0 & 0xffffffff) . self::store32_le($h1 & 0xffffffff) . self::store32_le($h2 & 0xffffffff) . self::store32_le($h3 & 0xffffffff); } } Core/Curve25519.php 0000644 00000426446 14717743076 0007677 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Curve25519', false)) { return; } /** * Class ParagonIE_Sodium_Core_Curve25519 * * Implements Curve25519 core functions * * Based on the ref10 curve25519 code provided by libsodium * * @ref https://github.com/jedisct1/libsodium/blob/master/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c */ abstract class ParagonIE_Sodium_Core_Curve25519 extends ParagonIE_Sodium_Core_Curve25519_H { /** * Get a field element of size 10 with a value of 0 * * @internal You should not use this directly from another application * * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function fe_0() { return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0) ); } /** * Get a field element of size 10 with a value of 1 * * @internal You should not use this directly from another application * * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function fe_1() { return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( array(1, 0, 0, 0, 0, 0, 0, 0, 0, 0) ); } /** * Add two field elements. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @param ParagonIE_Sodium_Core_Curve25519_Fe $g * @return ParagonIE_Sodium_Core_Curve25519_Fe * @psalm-suppress MixedAssignment * @psalm-suppress MixedOperand */ public static function fe_add( ParagonIE_Sodium_Core_Curve25519_Fe $f, ParagonIE_Sodium_Core_Curve25519_Fe $g ) { /** @var array<int, int> $arr */ $arr = array(); for ($i = 0; $i < 10; ++$i) { $arr[$i] = (int) ($f[$i] + $g[$i]); } return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($arr); } /** * Constant-time conditional move. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @param ParagonIE_Sodium_Core_Curve25519_Fe $g * @param int $b * @return ParagonIE_Sodium_Core_Curve25519_Fe * @psalm-suppress MixedAssignment */ public static function fe_cmov( ParagonIE_Sodium_Core_Curve25519_Fe $f, ParagonIE_Sodium_Core_Curve25519_Fe $g, $b = 0 ) { /** @var array<int, int> $h */ $h = array(); $b *= -1; for ($i = 0; $i < 10; ++$i) { $x = (($f[$i] ^ $g[$i]) & $b); $h[$i] = ($f[$i]) ^ $x; } return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($h); } /** * Create a copy of a field element. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function fe_copy(ParagonIE_Sodium_Core_Curve25519_Fe $f) { $h = clone $f; return $h; } /** * Give: 32-byte string. * Receive: A field element object to use for internal calculations. * * @internal You should not use this directly from another application * * @param string $s * @return ParagonIE_Sodium_Core_Curve25519_Fe * @throws RangeException * @throws TypeError */ public static function fe_frombytes($s) { if (self::strlen($s) !== 32) { throw new RangeException('Expected a 32-byte string.'); } $h0 = self::load_4($s); $h1 = self::load_3(self::substr($s, 4, 3)) << 6; $h2 = self::load_3(self::substr($s, 7, 3)) << 5; $h3 = self::load_3(self::substr($s, 10, 3)) << 3; $h4 = self::load_3(self::substr($s, 13, 3)) << 2; $h5 = self::load_4(self::substr($s, 16, 4)); $h6 = self::load_3(self::substr($s, 20, 3)) << 7; $h7 = self::load_3(self::substr($s, 23, 3)) << 5; $h8 = self::load_3(self::substr($s, 26, 3)) << 4; $h9 = (self::load_3(self::substr($s, 29, 3)) & 8388607) << 2; $carry9 = ($h9 + (1 << 24)) >> 25; $h0 += self::mul($carry9, 19, 5); $h9 -= $carry9 << 25; $carry1 = ($h1 + (1 << 24)) >> 25; $h2 += $carry1; $h1 -= $carry1 << 25; $carry3 = ($h3 + (1 << 24)) >> 25; $h4 += $carry3; $h3 -= $carry3 << 25; $carry5 = ($h5 + (1 << 24)) >> 25; $h6 += $carry5; $h5 -= $carry5 << 25; $carry7 = ($h7 + (1 << 24)) >> 25; $h8 += $carry7; $h7 -= $carry7 << 25; $carry0 = ($h0 + (1 << 25)) >> 26; $h1 += $carry0; $h0 -= $carry0 << 26; $carry2 = ($h2 + (1 << 25)) >> 26; $h3 += $carry2; $h2 -= $carry2 << 26; $carry4 = ($h4 + (1 << 25)) >> 26; $h5 += $carry4; $h4 -= $carry4 << 26; $carry6 = ($h6 + (1 << 25)) >> 26; $h7 += $carry6; $h6 -= $carry6 << 26; $carry8 = ($h8 + (1 << 25)) >> 26; $h9 += $carry8; $h8 -= $carry8 << 26; return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( array( (int) $h0, (int) $h1, (int) $h2, (int) $h3, (int) $h4, (int) $h5, (int) $h6, (int) $h7, (int) $h8, (int) $h9 ) ); } /** * Convert a field element to a byte string. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $h * @return string */ public static function fe_tobytes(ParagonIE_Sodium_Core_Curve25519_Fe $h) { $h0 = (int) $h[0]; $h1 = (int) $h[1]; $h2 = (int) $h[2]; $h3 = (int) $h[3]; $h4 = (int) $h[4]; $h5 = (int) $h[5]; $h6 = (int) $h[6]; $h7 = (int) $h[7]; $h8 = (int) $h[8]; $h9 = (int) $h[9]; $q = (self::mul($h9, 19, 5) + (1 << 24)) >> 25; $q = ($h0 + $q) >> 26; $q = ($h1 + $q) >> 25; $q = ($h2 + $q) >> 26; $q = ($h3 + $q) >> 25; $q = ($h4 + $q) >> 26; $q = ($h5 + $q) >> 25; $q = ($h6 + $q) >> 26; $q = ($h7 + $q) >> 25; $q = ($h8 + $q) >> 26; $q = ($h9 + $q) >> 25; $h0 += self::mul($q, 19, 5); $carry0 = $h0 >> 26; $h1 += $carry0; $h0 -= $carry0 << 26; $carry1 = $h1 >> 25; $h2 += $carry1; $h1 -= $carry1 << 25; $carry2 = $h2 >> 26; $h3 += $carry2; $h2 -= $carry2 << 26; $carry3 = $h3 >> 25; $h4 += $carry3; $h3 -= $carry3 << 25; $carry4 = $h4 >> 26; $h5 += $carry4; $h4 -= $carry4 << 26; $carry5 = $h5 >> 25; $h6 += $carry5; $h5 -= $carry5 << 25; $carry6 = $h6 >> 26; $h7 += $carry6; $h6 -= $carry6 << 26; $carry7 = $h7 >> 25; $h8 += $carry7; $h7 -= $carry7 << 25; $carry8 = $h8 >> 26; $h9 += $carry8; $h8 -= $carry8 << 26; $carry9 = $h9 >> 25; $h9 -= $carry9 << 25; /** * @var array<int, int> */ $s = array( (int) (($h0 >> 0) & 0xff), (int) (($h0 >> 8) & 0xff), (int) (($h0 >> 16) & 0xff), (int) ((($h0 >> 24) | ($h1 << 2)) & 0xff), (int) (($h1 >> 6) & 0xff), (int) (($h1 >> 14) & 0xff), (int) ((($h1 >> 22) | ($h2 << 3)) & 0xff), (int) (($h2 >> 5) & 0xff), (int) (($h2 >> 13) & 0xff), (int) ((($h2 >> 21) | ($h3 << 5)) & 0xff), (int) (($h3 >> 3) & 0xff), (int) (($h3 >> 11) & 0xff), (int) ((($h3 >> 19) | ($h4 << 6)) & 0xff), (int) (($h4 >> 2) & 0xff), (int) (($h4 >> 10) & 0xff), (int) (($h4 >> 18) & 0xff), (int) (($h5 >> 0) & 0xff), (int) (($h5 >> 8) & 0xff), (int) (($h5 >> 16) & 0xff), (int) ((($h5 >> 24) | ($h6 << 1)) & 0xff), (int) (($h6 >> 7) & 0xff), (int) (($h6 >> 15) & 0xff), (int) ((($h6 >> 23) | ($h7 << 3)) & 0xff), (int) (($h7 >> 5) & 0xff), (int) (($h7 >> 13) & 0xff), (int) ((($h7 >> 21) | ($h8 << 4)) & 0xff), (int) (($h8 >> 4) & 0xff), (int) (($h8 >> 12) & 0xff), (int) ((($h8 >> 20) | ($h9 << 6)) & 0xff), (int) (($h9 >> 2) & 0xff), (int) (($h9 >> 10) & 0xff), (int) (($h9 >> 18) & 0xff) ); return self::intArrayToString($s); } /** * Is a field element negative? (1 = yes, 0 = no. Used in calculations.) * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @return int * @throws SodiumException * @throws TypeError */ public static function fe_isnegative(ParagonIE_Sodium_Core_Curve25519_Fe $f) { $str = self::fe_tobytes($f); return (int) (self::chrToInt($str[0]) & 1); } /** * Returns 0 if this field element results in all NUL bytes. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @return bool * @throws SodiumException * @throws TypeError */ public static function fe_isnonzero(ParagonIE_Sodium_Core_Curve25519_Fe $f) { static $zero; if ($zero === null) { $zero = str_repeat("\x00", 32); } /** @var string $zero */ /** @var string $str */ $str = self::fe_tobytes($f); return !self::verify_32($str, (string) $zero); } /** * Multiply two field elements * * h = f * g * * @internal You should not use this directly from another application * * @security Is multiplication a source of timing leaks? If so, can we do * anything to prevent that from happening? * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @param ParagonIE_Sodium_Core_Curve25519_Fe $g * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function fe_mul( ParagonIE_Sodium_Core_Curve25519_Fe $f, ParagonIE_Sodium_Core_Curve25519_Fe $g ) { // Ensure limbs aren't oversized. $f = self::fe_normalize($f); $g = self::fe_normalize($g); $f0 = $f[0]; $f1 = $f[1]; $f2 = $f[2]; $f3 = $f[3]; $f4 = $f[4]; $f5 = $f[5]; $f6 = $f[6]; $f7 = $f[7]; $f8 = $f[8]; $f9 = $f[9]; $g0 = $g[0]; $g1 = $g[1]; $g2 = $g[2]; $g3 = $g[3]; $g4 = $g[4]; $g5 = $g[5]; $g6 = $g[6]; $g7 = $g[7]; $g8 = $g[8]; $g9 = $g[9]; $g1_19 = self::mul($g1, 19, 5); $g2_19 = self::mul($g2, 19, 5); $g3_19 = self::mul($g3, 19, 5); $g4_19 = self::mul($g4, 19, 5); $g5_19 = self::mul($g5, 19, 5); $g6_19 = self::mul($g6, 19, 5); $g7_19 = self::mul($g7, 19, 5); $g8_19 = self::mul($g8, 19, 5); $g9_19 = self::mul($g9, 19, 5); $f1_2 = $f1 << 1; $f3_2 = $f3 << 1; $f5_2 = $f5 << 1; $f7_2 = $f7 << 1; $f9_2 = $f9 << 1; $f0g0 = self::mul($f0, $g0, 26); $f0g1 = self::mul($f0, $g1, 25); $f0g2 = self::mul($f0, $g2, 26); $f0g3 = self::mul($f0, $g3, 25); $f0g4 = self::mul($f0, $g4, 26); $f0g5 = self::mul($f0, $g5, 25); $f0g6 = self::mul($f0, $g6, 26); $f0g7 = self::mul($f0, $g7, 25); $f0g8 = self::mul($f0, $g8, 26); $f0g9 = self::mul($f0, $g9, 26); $f1g0 = self::mul($f1, $g0, 26); $f1g1_2 = self::mul($f1_2, $g1, 25); $f1g2 = self::mul($f1, $g2, 26); $f1g3_2 = self::mul($f1_2, $g3, 25); $f1g4 = self::mul($f1, $g4, 26); $f1g5_2 = self::mul($f1_2, $g5, 25); $f1g6 = self::mul($f1, $g6, 26); $f1g7_2 = self::mul($f1_2, $g7, 25); $f1g8 = self::mul($f1, $g8, 26); $f1g9_38 = self::mul($g9_19, $f1_2, 26); $f2g0 = self::mul($f2, $g0, 26); $f2g1 = self::mul($f2, $g1, 25); $f2g2 = self::mul($f2, $g2, 26); $f2g3 = self::mul($f2, $g3, 25); $f2g4 = self::mul($f2, $g4, 26); $f2g5 = self::mul($f2, $g5, 25); $f2g6 = self::mul($f2, $g6, 26); $f2g7 = self::mul($f2, $g7, 25); $f2g8_19 = self::mul($g8_19, $f2, 26); $f2g9_19 = self::mul($g9_19, $f2, 26); $f3g0 = self::mul($f3, $g0, 26); $f3g1_2 = self::mul($f3_2, $g1, 25); $f3g2 = self::mul($f3, $g2, 26); $f3g3_2 = self::mul($f3_2, $g3, 25); $f3g4 = self::mul($f3, $g4, 26); $f3g5_2 = self::mul($f3_2, $g5, 25); $f3g6 = self::mul($f3, $g6, 26); $f3g7_38 = self::mul($g7_19, $f3_2, 26); $f3g8_19 = self::mul($g8_19, $f3, 25); $f3g9_38 = self::mul($g9_19, $f3_2, 26); $f4g0 = self::mul($f4, $g0, 26); $f4g1 = self::mul($f4, $g1, 25); $f4g2 = self::mul($f4, $g2, 26); $f4g3 = self::mul($f4, $g3, 25); $f4g4 = self::mul($f4, $g4, 26); $f4g5 = self::mul($f4, $g5, 25); $f4g6_19 = self::mul($g6_19, $f4, 26); $f4g7_19 = self::mul($g7_19, $f4, 26); $f4g8_19 = self::mul($g8_19, $f4, 26); $f4g9_19 = self::mul($g9_19, $f4, 26); $f5g0 = self::mul($f5, $g0, 26); $f5g1_2 = self::mul($f5_2, $g1, 25); $f5g2 = self::mul($f5, $g2, 26); $f5g3_2 = self::mul($f5_2, $g3, 25); $f5g4 = self::mul($f5, $g4, 26); $f5g5_38 = self::mul($g5_19, $f5_2, 26); $f5g6_19 = self::mul($g6_19, $f5, 25); $f5g7_38 = self::mul($g7_19, $f5_2, 26); $f5g8_19 = self::mul($g8_19, $f5, 25); $f5g9_38 = self::mul($g9_19, $f5_2, 26); $f6g0 = self::mul($f6, $g0, 26); $f6g1 = self::mul($f6, $g1, 25); $f6g2 = self::mul($f6, $g2, 26); $f6g3 = self::mul($f6, $g3, 25); $f6g4_19 = self::mul($g4_19, $f6, 26); $f6g5_19 = self::mul($g5_19, $f6, 26); $f6g6_19 = self::mul($g6_19, $f6, 26); $f6g7_19 = self::mul($g7_19, $f6, 26); $f6g8_19 = self::mul($g8_19, $f6, 26); $f6g9_19 = self::mul($g9_19, $f6, 26); $f7g0 = self::mul($f7, $g0, 26); $f7g1_2 = self::mul($f7_2, $g1, 25); $f7g2 = self::mul($f7, $g2, 26); $f7g3_38 = self::mul($g3_19, $f7_2, 26); $f7g4_19 = self::mul($g4_19, $f7, 26); $f7g5_38 = self::mul($g5_19, $f7_2, 26); $f7g6_19 = self::mul($g6_19, $f7, 25); $f7g7_38 = self::mul($g7_19, $f7_2, 26); $f7g8_19 = self::mul($g8_19, $f7, 25); $f7g9_38 = self::mul($g9_19,$f7_2, 26); $f8g0 = self::mul($f8, $g0, 26); $f8g1 = self::mul($f8, $g1, 25); $f8g2_19 = self::mul($g2_19, $f8, 26); $f8g3_19 = self::mul($g3_19, $f8, 26); $f8g4_19 = self::mul($g4_19, $f8, 26); $f8g5_19 = self::mul($g5_19, $f8, 26); $f8g6_19 = self::mul($g6_19, $f8, 26); $f8g7_19 = self::mul($g7_19, $f8, 26); $f8g8_19 = self::mul($g8_19, $f8, 26); $f8g9_19 = self::mul($g9_19, $f8, 26); $f9g0 = self::mul($f9, $g0, 26); $f9g1_38 = self::mul($g1_19, $f9_2, 26); $f9g2_19 = self::mul($g2_19, $f9, 25); $f9g3_38 = self::mul($g3_19, $f9_2, 26); $f9g4_19 = self::mul($g4_19, $f9, 25); $f9g5_38 = self::mul($g5_19, $f9_2, 26); $f9g6_19 = self::mul($g6_19, $f9, 25); $f9g7_38 = self::mul($g7_19, $f9_2, 26); $f9g8_19 = self::mul($g8_19, $f9, 25); $f9g9_38 = self::mul($g9_19, $f9_2, 26); $h0 = $f0g0 + $f1g9_38 + $f2g8_19 + $f3g7_38 + $f4g6_19 + $f5g5_38 + $f6g4_19 + $f7g3_38 + $f8g2_19 + $f9g1_38; $h1 = $f0g1 + $f1g0 + $f2g9_19 + $f3g8_19 + $f4g7_19 + $f5g6_19 + $f6g5_19 + $f7g4_19 + $f8g3_19 + $f9g2_19; $h2 = $f0g2 + $f1g1_2 + $f2g0 + $f3g9_38 + $f4g8_19 + $f5g7_38 + $f6g6_19 + $f7g5_38 + $f8g4_19 + $f9g3_38; $h3 = $f0g3 + $f1g2 + $f2g1 + $f3g0 + $f4g9_19 + $f5g8_19 + $f6g7_19 + $f7g6_19 + $f8g5_19 + $f9g4_19; $h4 = $f0g4 + $f1g3_2 + $f2g2 + $f3g1_2 + $f4g0 + $f5g9_38 + $f6g8_19 + $f7g7_38 + $f8g6_19 + $f9g5_38; $h5 = $f0g5 + $f1g4 + $f2g3 + $f3g2 + $f4g1 + $f5g0 + $f6g9_19 + $f7g8_19 + $f8g7_19 + $f9g6_19; $h6 = $f0g6 + $f1g5_2 + $f2g4 + $f3g3_2 + $f4g2 + $f5g1_2 + $f6g0 + $f7g9_38 + $f8g8_19 + $f9g7_38; $h7 = $f0g7 + $f1g6 + $f2g5 + $f3g4 + $f4g3 + $f5g2 + $f6g1 + $f7g0 + $f8g9_19 + $f9g8_19; $h8 = $f0g8 + $f1g7_2 + $f2g6 + $f3g5_2 + $f4g4 + $f5g3_2 + $f6g2 + $f7g1_2 + $f8g0 + $f9g9_38; $h9 = $f0g9 + $f1g8 + $f2g7 + $f3g6 + $f4g5 + $f5g4 + $f6g3 + $f7g2 + $f8g1 + $f9g0 ; $carry0 = ($h0 + (1 << 25)) >> 26; $h1 += $carry0; $h0 -= $carry0 << 26; $carry4 = ($h4 + (1 << 25)) >> 26; $h5 += $carry4; $h4 -= $carry4 << 26; $carry1 = ($h1 + (1 << 24)) >> 25; $h2 += $carry1; $h1 -= $carry1 << 25; $carry5 = ($h5 + (1 << 24)) >> 25; $h6 += $carry5; $h5 -= $carry5 << 25; $carry2 = ($h2 + (1 << 25)) >> 26; $h3 += $carry2; $h2 -= $carry2 << 26; $carry6 = ($h6 + (1 << 25)) >> 26; $h7 += $carry6; $h6 -= $carry6 << 26; $carry3 = ($h3 + (1 << 24)) >> 25; $h4 += $carry3; $h3 -= $carry3 << 25; $carry7 = ($h7 + (1 << 24)) >> 25; $h8 += $carry7; $h7 -= $carry7 << 25; $carry4 = ($h4 + (1 << 25)) >> 26; $h5 += $carry4; $h4 -= $carry4 << 26; $carry8 = ($h8 + (1 << 25)) >> 26; $h9 += $carry8; $h8 -= $carry8 << 26; $carry9 = ($h9 + (1 << 24)) >> 25; $h0 += self::mul($carry9, 19, 5); $h9 -= $carry9 << 25; $carry0 = ($h0 + (1 << 25)) >> 26; $h1 += $carry0; $h0 -= $carry0 << 26; return self::fe_normalize( ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( array( (int) $h0, (int) $h1, (int) $h2, (int) $h3, (int) $h4, (int) $h5, (int) $h6, (int) $h7, (int) $h8, (int) $h9 ) ) ); } /** * Get the negative values for each piece of the field element. * * h = -f * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @return ParagonIE_Sodium_Core_Curve25519_Fe * @psalm-suppress MixedAssignment */ public static function fe_neg(ParagonIE_Sodium_Core_Curve25519_Fe $f) { $h = new ParagonIE_Sodium_Core_Curve25519_Fe(); for ($i = 0; $i < 10; ++$i) { $h[$i] = -$f[$i]; } return self::fe_normalize($h); } /** * Square a field element * * h = f * f * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function fe_sq(ParagonIE_Sodium_Core_Curve25519_Fe $f) { $f = self::fe_normalize($f); $f0 = (int) $f[0]; $f1 = (int) $f[1]; $f2 = (int) $f[2]; $f3 = (int) $f[3]; $f4 = (int) $f[4]; $f5 = (int) $f[5]; $f6 = (int) $f[6]; $f7 = (int) $f[7]; $f8 = (int) $f[8]; $f9 = (int) $f[9]; $f0_2 = $f0 << 1; $f1_2 = $f1 << 1; $f2_2 = $f2 << 1; $f3_2 = $f3 << 1; $f4_2 = $f4 << 1; $f5_2 = $f5 << 1; $f6_2 = $f6 << 1; $f7_2 = $f7 << 1; $f5_38 = self::mul($f5, 38, 6); $f6_19 = self::mul($f6, 19, 5); $f7_38 = self::mul($f7, 38, 6); $f8_19 = self::mul($f8, 19, 5); $f9_38 = self::mul($f9, 38, 6); $f0f0 = self::mul($f0, $f0, 26); $f0f1_2 = self::mul($f0_2, $f1, 26); $f0f2_2 = self::mul($f0_2, $f2, 26); $f0f3_2 = self::mul($f0_2, $f3, 26); $f0f4_2 = self::mul($f0_2, $f4, 26); $f0f5_2 = self::mul($f0_2, $f5, 26); $f0f6_2 = self::mul($f0_2, $f6, 26); $f0f7_2 = self::mul($f0_2, $f7, 26); $f0f8_2 = self::mul($f0_2, $f8, 26); $f0f9_2 = self::mul($f0_2, $f9, 26); $f1f1_2 = self::mul($f1_2, $f1, 26); $f1f2_2 = self::mul($f1_2, $f2, 26); $f1f3_4 = self::mul($f1_2, $f3_2, 26); $f1f4_2 = self::mul($f1_2, $f4, 26); $f1f5_4 = self::mul($f1_2, $f5_2, 26); $f1f6_2 = self::mul($f1_2, $f6, 26); $f1f7_4 = self::mul($f1_2, $f7_2, 26); $f1f8_2 = self::mul($f1_2, $f8, 26); $f1f9_76 = self::mul($f9_38, $f1_2, 27); $f2f2 = self::mul($f2, $f2, 27); $f2f3_2 = self::mul($f2_2, $f3, 27); $f2f4_2 = self::mul($f2_2, $f4, 27); $f2f5_2 = self::mul($f2_2, $f5, 27); $f2f6_2 = self::mul($f2_2, $f6, 27); $f2f7_2 = self::mul($f2_2, $f7, 27); $f2f8_38 = self::mul($f8_19, $f2_2, 27); $f2f9_38 = self::mul($f9_38, $f2, 26); $f3f3_2 = self::mul($f3_2, $f3, 26); $f3f4_2 = self::mul($f3_2, $f4, 26); $f3f5_4 = self::mul($f3_2, $f5_2, 26); $f3f6_2 = self::mul($f3_2, $f6, 26); $f3f7_76 = self::mul($f7_38, $f3_2, 26); $f3f8_38 = self::mul($f8_19, $f3_2, 26); $f3f9_76 = self::mul($f9_38, $f3_2, 26); $f4f4 = self::mul($f4, $f4, 26); $f4f5_2 = self::mul($f4_2, $f5, 26); $f4f6_38 = self::mul($f6_19, $f4_2, 27); $f4f7_38 = self::mul($f7_38, $f4, 26); $f4f8_38 = self::mul($f8_19, $f4_2, 27); $f4f9_38 = self::mul($f9_38, $f4, 26); $f5f5_38 = self::mul($f5_38, $f5, 26); $f5f6_38 = self::mul($f6_19, $f5_2, 26); $f5f7_76 = self::mul($f7_38, $f5_2, 26); $f5f8_38 = self::mul($f8_19, $f5_2, 26); $f5f9_76 = self::mul($f9_38, $f5_2, 26); $f6f6_19 = self::mul($f6_19, $f6, 26); $f6f7_38 = self::mul($f7_38, $f6, 26); $f6f8_38 = self::mul($f8_19, $f6_2, 27); $f6f9_38 = self::mul($f9_38, $f6, 26); $f7f7_38 = self::mul($f7_38, $f7, 26); $f7f8_38 = self::mul($f8_19, $f7_2, 26); $f7f9_76 = self::mul($f9_38, $f7_2, 26); $f8f8_19 = self::mul($f8_19, $f8, 26); $f8f9_38 = self::mul($f9_38, $f8, 26); $f9f9_38 = self::mul($f9_38, $f9, 26); $h0 = $f0f0 + $f1f9_76 + $f2f8_38 + $f3f7_76 + $f4f6_38 + $f5f5_38; $h1 = $f0f1_2 + $f2f9_38 + $f3f8_38 + $f4f7_38 + $f5f6_38; $h2 = $f0f2_2 + $f1f1_2 + $f3f9_76 + $f4f8_38 + $f5f7_76 + $f6f6_19; $h3 = $f0f3_2 + $f1f2_2 + $f4f9_38 + $f5f8_38 + $f6f7_38; $h4 = $f0f4_2 + $f1f3_4 + $f2f2 + $f5f9_76 + $f6f8_38 + $f7f7_38; $h5 = $f0f5_2 + $f1f4_2 + $f2f3_2 + $f6f9_38 + $f7f8_38; $h6 = $f0f6_2 + $f1f5_4 + $f2f4_2 + $f3f3_2 + $f7f9_76 + $f8f8_19; $h7 = $f0f7_2 + $f1f6_2 + $f2f5_2 + $f3f4_2 + $f8f9_38; $h8 = $f0f8_2 + $f1f7_4 + $f2f6_2 + $f3f5_4 + $f4f4 + $f9f9_38; $h9 = $f0f9_2 + $f1f8_2 + $f2f7_2 + $f3f6_2 + $f4f5_2; $carry0 = ($h0 + (1 << 25)) >> 26; $h1 += $carry0; $h0 -= $carry0 << 26; $carry4 = ($h4 + (1 << 25)) >> 26; $h5 += $carry4; $h4 -= $carry4 << 26; $carry1 = ($h1 + (1 << 24)) >> 25; $h2 += $carry1; $h1 -= $carry1 << 25; $carry5 = ($h5 + (1 << 24)) >> 25; $h6 += $carry5; $h5 -= $carry5 << 25; $carry2 = ($h2 + (1 << 25)) >> 26; $h3 += $carry2; $h2 -= $carry2 << 26; $carry6 = ($h6 + (1 << 25)) >> 26; $h7 += $carry6; $h6 -= $carry6 << 26; $carry3 = ($h3 + (1 << 24)) >> 25; $h4 += $carry3; $h3 -= $carry3 << 25; $carry7 = ($h7 + (1 << 24)) >> 25; $h8 += $carry7; $h7 -= $carry7 << 25; $carry4 = ($h4 + (1 << 25)) >> 26; $h5 += $carry4; $h4 -= $carry4 << 26; $carry8 = ($h8 + (1 << 25)) >> 26; $h9 += $carry8; $h8 -= $carry8 << 26; $carry9 = ($h9 + (1 << 24)) >> 25; $h0 += self::mul($carry9, 19, 5); $h9 -= $carry9 << 25; $carry0 = ($h0 + (1 << 25)) >> 26; $h1 += $carry0; $h0 -= $carry0 << 26; return self::fe_normalize( ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( array( (int) $h0, (int) $h1, (int) $h2, (int) $h3, (int) $h4, (int) $h5, (int) $h6, (int) $h7, (int) $h8, (int) $h9 ) ) ); } /** * Square and double a field element * * h = 2 * f * f * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function fe_sq2(ParagonIE_Sodium_Core_Curve25519_Fe $f) { $f = self::fe_normalize($f); $f0 = (int) $f[0]; $f1 = (int) $f[1]; $f2 = (int) $f[2]; $f3 = (int) $f[3]; $f4 = (int) $f[4]; $f5 = (int) $f[5]; $f6 = (int) $f[6]; $f7 = (int) $f[7]; $f8 = (int) $f[8]; $f9 = (int) $f[9]; $f0_2 = $f0 << 1; $f1_2 = $f1 << 1; $f2_2 = $f2 << 1; $f3_2 = $f3 << 1; $f4_2 = $f4 << 1; $f5_2 = $f5 << 1; $f6_2 = $f6 << 1; $f7_2 = $f7 << 1; $f5_38 = self::mul($f5, 38, 6); /* 1.959375*2^30 */ $f6_19 = self::mul($f6, 19, 5); /* 1.959375*2^30 */ $f7_38 = self::mul($f7, 38, 6); /* 1.959375*2^30 */ $f8_19 = self::mul($f8, 19, 5); /* 1.959375*2^30 */ $f9_38 = self::mul($f9, 38, 6); /* 1.959375*2^30 */ $f0f0 = self::mul($f0, $f0, 24); $f0f1_2 = self::mul($f0_2, $f1, 24); $f0f2_2 = self::mul($f0_2, $f2, 24); $f0f3_2 = self::mul($f0_2, $f3, 24); $f0f4_2 = self::mul($f0_2, $f4, 24); $f0f5_2 = self::mul($f0_2, $f5, 24); $f0f6_2 = self::mul($f0_2, $f6, 24); $f0f7_2 = self::mul($f0_2, $f7, 24); $f0f8_2 = self::mul($f0_2, $f8, 24); $f0f9_2 = self::mul($f0_2, $f9, 24); $f1f1_2 = self::mul($f1_2, $f1, 24); $f1f2_2 = self::mul($f1_2, $f2, 24); $f1f3_4 = self::mul($f1_2, $f3_2, 24); $f1f4_2 = self::mul($f1_2, $f4, 24); $f1f5_4 = self::mul($f1_2, $f5_2, 24); $f1f6_2 = self::mul($f1_2, $f6, 24); $f1f7_4 = self::mul($f1_2, $f7_2, 24); $f1f8_2 = self::mul($f1_2, $f8, 24); $f1f9_76 = self::mul($f9_38, $f1_2, 24); $f2f2 = self::mul($f2, $f2, 24); $f2f3_2 = self::mul($f2_2, $f3, 24); $f2f4_2 = self::mul($f2_2, $f4, 24); $f2f5_2 = self::mul($f2_2, $f5, 24); $f2f6_2 = self::mul($f2_2, $f6, 24); $f2f7_2 = self::mul($f2_2, $f7, 24); $f2f8_38 = self::mul($f8_19, $f2_2, 25); $f2f9_38 = self::mul($f9_38, $f2, 24); $f3f3_2 = self::mul($f3_2, $f3, 24); $f3f4_2 = self::mul($f3_2, $f4, 24); $f3f5_4 = self::mul($f3_2, $f5_2, 24); $f3f6_2 = self::mul($f3_2, $f6, 24); $f3f7_76 = self::mul($f7_38, $f3_2, 24); $f3f8_38 = self::mul($f8_19, $f3_2, 24); $f3f9_76 = self::mul($f9_38, $f3_2, 24); $f4f4 = self::mul($f4, $f4, 24); $f4f5_2 = self::mul($f4_2, $f5, 24); $f4f6_38 = self::mul($f6_19, $f4_2, 25); $f4f7_38 = self::mul($f7_38, $f4, 24); $f4f8_38 = self::mul($f8_19, $f4_2, 25); $f4f9_38 = self::mul($f9_38, $f4, 24); $f5f5_38 = self::mul($f5_38, $f5, 24); $f5f6_38 = self::mul($f6_19, $f5_2, 24); $f5f7_76 = self::mul($f7_38, $f5_2, 24); $f5f8_38 = self::mul($f8_19, $f5_2, 24); $f5f9_76 = self::mul($f9_38, $f5_2, 24); $f6f6_19 = self::mul($f6_19, $f6, 24); $f6f7_38 = self::mul($f7_38, $f6, 24); $f6f8_38 = self::mul($f8_19, $f6_2, 25); $f6f9_38 = self::mul($f9_38, $f6, 24); $f7f7_38 = self::mul($f7_38, $f7, 24); $f7f8_38 = self::mul($f8_19, $f7_2, 24); $f7f9_76 = self::mul($f9_38, $f7_2, 24); $f8f8_19 = self::mul($f8_19, $f8, 24); $f8f9_38 = self::mul($f9_38, $f8, 24); $f9f9_38 = self::mul($f9_38, $f9, 24); $h0 = (int) ($f0f0 + $f1f9_76 + $f2f8_38 + $f3f7_76 + $f4f6_38 + $f5f5_38) << 1; $h1 = (int) ($f0f1_2 + $f2f9_38 + $f3f8_38 + $f4f7_38 + $f5f6_38) << 1; $h2 = (int) ($f0f2_2 + $f1f1_2 + $f3f9_76 + $f4f8_38 + $f5f7_76 + $f6f6_19) << 1; $h3 = (int) ($f0f3_2 + $f1f2_2 + $f4f9_38 + $f5f8_38 + $f6f7_38) << 1; $h4 = (int) ($f0f4_2 + $f1f3_4 + $f2f2 + $f5f9_76 + $f6f8_38 + $f7f7_38) << 1; $h5 = (int) ($f0f5_2 + $f1f4_2 + $f2f3_2 + $f6f9_38 + $f7f8_38) << 1; $h6 = (int) ($f0f6_2 + $f1f5_4 + $f2f4_2 + $f3f3_2 + $f7f9_76 + $f8f8_19) << 1; $h7 = (int) ($f0f7_2 + $f1f6_2 + $f2f5_2 + $f3f4_2 + $f8f9_38) << 1; $h8 = (int) ($f0f8_2 + $f1f7_4 + $f2f6_2 + $f3f5_4 + $f4f4 + $f9f9_38) << 1; $h9 = (int) ($f0f9_2 + $f1f8_2 + $f2f7_2 + $f3f6_2 + $f4f5_2) << 1; $carry0 = ($h0 + (1 << 25)) >> 26; $h1 += $carry0; $h0 -= $carry0 << 26; $carry4 = ($h4 + (1 << 25)) >> 26; $h5 += $carry4; $h4 -= $carry4 << 26; $carry1 = ($h1 + (1 << 24)) >> 25; $h2 += $carry1; $h1 -= $carry1 << 25; $carry5 = ($h5 + (1 << 24)) >> 25; $h6 += $carry5; $h5 -= $carry5 << 25; $carry2 = ($h2 + (1 << 25)) >> 26; $h3 += $carry2; $h2 -= $carry2 << 26; $carry6 = ($h6 + (1 << 25)) >> 26; $h7 += $carry6; $h6 -= $carry6 << 26; $carry3 = ($h3 + (1 << 24)) >> 25; $h4 += $carry3; $h3 -= $carry3 << 25; $carry7 = ($h7 + (1 << 24)) >> 25; $h8 += $carry7; $h7 -= $carry7 << 25; $carry4 = ($h4 + (1 << 25)) >> 26; $h5 += $carry4; $h4 -= $carry4 << 26; $carry8 = ($h8 + (1 << 25)) >> 26; $h9 += $carry8; $h8 -= $carry8 << 26; $carry9 = ($h9 + (1 << 24)) >> 25; $h0 += self::mul($carry9, 19, 5); $h9 -= $carry9 << 25; $carry0 = ($h0 + (1 << 25)) >> 26; $h1 += $carry0; $h0 -= $carry0 << 26; return self::fe_normalize( ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( array( (int) $h0, (int) $h1, (int) $h2, (int) $h3, (int) $h4, (int) $h5, (int) $h6, (int) $h7, (int) $h8, (int) $h9 ) ) ); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $Z * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function fe_invert(ParagonIE_Sodium_Core_Curve25519_Fe $Z) { $z = clone $Z; $t0 = self::fe_sq($z); $t1 = self::fe_sq($t0); $t1 = self::fe_sq($t1); $t1 = self::fe_mul($z, $t1); $t0 = self::fe_mul($t0, $t1); $t2 = self::fe_sq($t0); $t1 = self::fe_mul($t1, $t2); $t2 = self::fe_sq($t1); for ($i = 1; $i < 5; ++$i) { $t2 = self::fe_sq($t2); } $t1 = self::fe_mul($t2, $t1); $t2 = self::fe_sq($t1); for ($i = 1; $i < 10; ++$i) { $t2 = self::fe_sq($t2); } $t2 = self::fe_mul($t2, $t1); $t3 = self::fe_sq($t2); for ($i = 1; $i < 20; ++$i) { $t3 = self::fe_sq($t3); } $t2 = self::fe_mul($t3, $t2); $t2 = self::fe_sq($t2); for ($i = 1; $i < 10; ++$i) { $t2 = self::fe_sq($t2); } $t1 = self::fe_mul($t2, $t1); $t2 = self::fe_sq($t1); for ($i = 1; $i < 50; ++$i) { $t2 = self::fe_sq($t2); } $t2 = self::fe_mul($t2, $t1); $t3 = self::fe_sq($t2); for ($i = 1; $i < 100; ++$i) { $t3 = self::fe_sq($t3); } $t2 = self::fe_mul($t3, $t2); $t2 = self::fe_sq($t2); for ($i = 1; $i < 50; ++$i) { $t2 = self::fe_sq($t2); } $t1 = self::fe_mul($t2, $t1); $t1 = self::fe_sq($t1); for ($i = 1; $i < 5; ++$i) { $t1 = self::fe_sq($t1); } return self::fe_mul($t1, $t0); } /** * @internal You should not use this directly from another application * * @ref https://github.com/jedisct1/libsodium/blob/68564326e1e9dc57ef03746f85734232d20ca6fb/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1054-L1106 * * @param ParagonIE_Sodium_Core_Curve25519_Fe $z * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function fe_pow22523(ParagonIE_Sodium_Core_Curve25519_Fe $z) { $z = self::fe_normalize($z); # fe_sq(t0, z); # fe_sq(t1, t0); # fe_sq(t1, t1); # fe_mul(t1, z, t1); # fe_mul(t0, t0, t1); # fe_sq(t0, t0); # fe_mul(t0, t1, t0); # fe_sq(t1, t0); $t0 = self::fe_sq($z); $t1 = self::fe_sq($t0); $t1 = self::fe_sq($t1); $t1 = self::fe_mul($z, $t1); $t0 = self::fe_mul($t0, $t1); $t0 = self::fe_sq($t0); $t0 = self::fe_mul($t1, $t0); $t1 = self::fe_sq($t0); # for (i = 1; i < 5; ++i) { # fe_sq(t1, t1); # } for ($i = 1; $i < 5; ++$i) { $t1 = self::fe_sq($t1); } # fe_mul(t0, t1, t0); # fe_sq(t1, t0); $t0 = self::fe_mul($t1, $t0); $t1 = self::fe_sq($t0); # for (i = 1; i < 10; ++i) { # fe_sq(t1, t1); # } for ($i = 1; $i < 10; ++$i) { $t1 = self::fe_sq($t1); } # fe_mul(t1, t1, t0); # fe_sq(t2, t1); $t1 = self::fe_mul($t1, $t0); $t2 = self::fe_sq($t1); # for (i = 1; i < 20; ++i) { # fe_sq(t2, t2); # } for ($i = 1; $i < 20; ++$i) { $t2 = self::fe_sq($t2); } # fe_mul(t1, t2, t1); # fe_sq(t1, t1); $t1 = self::fe_mul($t2, $t1); $t1 = self::fe_sq($t1); # for (i = 1; i < 10; ++i) { # fe_sq(t1, t1); # } for ($i = 1; $i < 10; ++$i) { $t1 = self::fe_sq($t1); } # fe_mul(t0, t1, t0); # fe_sq(t1, t0); $t0 = self::fe_mul($t1, $t0); $t1 = self::fe_sq($t0); # for (i = 1; i < 50; ++i) { # fe_sq(t1, t1); # } for ($i = 1; $i < 50; ++$i) { $t1 = self::fe_sq($t1); } # fe_mul(t1, t1, t0); # fe_sq(t2, t1); $t1 = self::fe_mul($t1, $t0); $t2 = self::fe_sq($t1); # for (i = 1; i < 100; ++i) { # fe_sq(t2, t2); # } for ($i = 1; $i < 100; ++$i) { $t2 = self::fe_sq($t2); } # fe_mul(t1, t2, t1); # fe_sq(t1, t1); $t1 = self::fe_mul($t2, $t1); $t1 = self::fe_sq($t1); # for (i = 1; i < 50; ++i) { # fe_sq(t1, t1); # } for ($i = 1; $i < 50; ++$i) { $t1 = self::fe_sq($t1); } # fe_mul(t0, t1, t0); # fe_sq(t0, t0); # fe_sq(t0, t0); # fe_mul(out, t0, z); $t0 = self::fe_mul($t1, $t0); $t0 = self::fe_sq($t0); $t0 = self::fe_sq($t0); return self::fe_mul($t0, $z); } /** * Subtract two field elements. * * h = f - g * * Preconditions: * |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. * |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. * * Postconditions: * |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @param ParagonIE_Sodium_Core_Curve25519_Fe $g * @return ParagonIE_Sodium_Core_Curve25519_Fe * @psalm-suppress MixedOperand */ public static function fe_sub(ParagonIE_Sodium_Core_Curve25519_Fe $f, ParagonIE_Sodium_Core_Curve25519_Fe $g) { return self::fe_normalize( ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( array( (int) ($f[0] - $g[0]), (int) ($f[1] - $g[1]), (int) ($f[2] - $g[2]), (int) ($f[3] - $g[3]), (int) ($f[4] - $g[4]), (int) ($f[5] - $g[5]), (int) ($f[6] - $g[6]), (int) ($f[7] - $g[7]), (int) ($f[8] - $g[8]), (int) ($f[9] - $g[9]) ) ) ); } /** * Add two group elements. * * r = p + q * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p * @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 */ public static function ge_add( ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q ) { $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1(); $r->X = self::fe_add($p->Y, $p->X); $r->Y = self::fe_sub($p->Y, $p->X); $r->Z = self::fe_mul($r->X, $q->YplusX); $r->Y = self::fe_mul($r->Y, $q->YminusX); $r->T = self::fe_mul($q->T2d, $p->T); $r->X = self::fe_mul($p->Z, $q->Z); $t0 = self::fe_add($r->X, $r->X); $r->X = self::fe_sub($r->Z, $r->Y); $r->Y = self::fe_add($r->Z, $r->Y); $r->Z = self::fe_add($t0, $r->T); $r->T = self::fe_sub($t0, $r->T); return $r; } /** * @internal You should not use this directly from another application * * @ref https://github.com/jedisct1/libsodium/blob/157c4a80c13b117608aeae12178b2d38825f9f8f/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1185-L1215 * @param string $a * @return array<int, mixed> * @throws SodiumException * @throws TypeError */ public static function slide($a) { if (self::strlen($a) < 256) { if (self::strlen($a) < 16) { $a = str_pad($a, 256, '0', STR_PAD_RIGHT); } } /** @var array<int, int> $r */ $r = array(); /** @var int $i */ for ($i = 0; $i < 256; ++$i) { $r[$i] = (int) ( 1 & ( self::chrToInt($a[(int) ($i >> 3)]) >> ($i & 7) ) ); } for ($i = 0;$i < 256;++$i) { if ($r[$i]) { for ($b = 1;$b <= 6 && $i + $b < 256;++$b) { if ($r[$i + $b]) { if ($r[$i] + ($r[$i + $b] << $b) <= 15) { $r[$i] += $r[$i + $b] << $b; $r[$i + $b] = 0; } elseif ($r[$i] - ($r[$i + $b] << $b) >= -15) { $r[$i] -= $r[$i + $b] << $b; for ($k = $i + $b; $k < 256; ++$k) { if (!$r[$k]) { $r[$k] = 1; break; } $r[$k] = 0; } } else { break; } } } } } return $r; } /** * @internal You should not use this directly from another application * * @param string $s * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 * @throws SodiumException * @throws TypeError */ public static function ge_frombytes_negate_vartime($s) { static $d = null; if (!$d) { $d = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$d); } # fe_frombytes(h->Y,s); # fe_1(h->Z); $h = new ParagonIE_Sodium_Core_Curve25519_Ge_P3( self::fe_0(), self::fe_frombytes($s), self::fe_1() ); # fe_sq(u,h->Y); # fe_mul(v,u,d); # fe_sub(u,u,h->Z); /* u = y^2-1 */ # fe_add(v,v,h->Z); /* v = dy^2+1 */ $u = self::fe_sq($h->Y); /** @var ParagonIE_Sodium_Core_Curve25519_Fe $d */ $v = self::fe_mul($u, $d); $u = self::fe_sub($u, $h->Z); /* u = y^2 - 1 */ $v = self::fe_add($v, $h->Z); /* v = dy^2 + 1 */ # fe_sq(v3,v); # fe_mul(v3,v3,v); /* v3 = v^3 */ # fe_sq(h->X,v3); # fe_mul(h->X,h->X,v); # fe_mul(h->X,h->X,u); /* x = uv^7 */ $v3 = self::fe_sq($v); $v3 = self::fe_mul($v3, $v); /* v3 = v^3 */ $h->X = self::fe_sq($v3); $h->X = self::fe_mul($h->X, $v); $h->X = self::fe_mul($h->X, $u); /* x = uv^7 */ # fe_pow22523(h->X,h->X); /* x = (uv^7)^((q-5)/8) */ # fe_mul(h->X,h->X,v3); # fe_mul(h->X,h->X,u); /* x = uv^3(uv^7)^((q-5)/8) */ $h->X = self::fe_pow22523($h->X); /* x = (uv^7)^((q-5)/8) */ $h->X = self::fe_mul($h->X, $v3); $h->X = self::fe_mul($h->X, $u); /* x = uv^3(uv^7)^((q-5)/8) */ # fe_sq(vxx,h->X); # fe_mul(vxx,vxx,v); # fe_sub(check,vxx,u); /* vx^2-u */ $vxx = self::fe_sq($h->X); $vxx = self::fe_mul($vxx, $v); $check = self::fe_sub($vxx, $u); /* vx^2 - u */ # if (fe_isnonzero(check)) { # fe_add(check,vxx,u); /* vx^2+u */ # if (fe_isnonzero(check)) { # return -1; # } # fe_mul(h->X,h->X,sqrtm1); # } if (self::fe_isnonzero($check)) { $check = self::fe_add($vxx, $u); /* vx^2 + u */ if (self::fe_isnonzero($check)) { throw new RangeException('Internal check failed.'); } $h->X = self::fe_mul( $h->X, ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqrtm1) ); } # if (fe_isnegative(h->X) == (s[31] >> 7)) { # fe_neg(h->X,h->X); # } $i = self::chrToInt($s[31]); if (self::fe_isnegative($h->X) === ($i >> 7)) { $h->X = self::fe_neg($h->X); } # fe_mul(h->T,h->X,h->Y); $h->T = self::fe_mul($h->X, $h->Y); return $h; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p * @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 */ public static function ge_madd( ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R, ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q ) { $r = clone $R; $r->X = self::fe_add($p->Y, $p->X); $r->Y = self::fe_sub($p->Y, $p->X); $r->Z = self::fe_mul($r->X, $q->yplusx); $r->Y = self::fe_mul($r->Y, $q->yminusx); $r->T = self::fe_mul($q->xy2d, $p->T); $t0 = self::fe_add(clone $p->Z, clone $p->Z); $r->X = self::fe_sub($r->Z, $r->Y); $r->Y = self::fe_add($r->Z, $r->Y); $r->Z = self::fe_add($t0, $r->T); $r->T = self::fe_sub($t0, $r->T); return $r; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p * @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 */ public static function ge_msub( ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R, ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q ) { $r = clone $R; $r->X = self::fe_add($p->Y, $p->X); $r->Y = self::fe_sub($p->Y, $p->X); $r->Z = self::fe_mul($r->X, $q->yminusx); $r->Y = self::fe_mul($r->Y, $q->yplusx); $r->T = self::fe_mul($q->xy2d, $p->T); $t0 = self::fe_add($p->Z, $p->Z); $r->X = self::fe_sub($r->Z, $r->Y); $r->Y = self::fe_add($r->Z, $r->Y); $r->Z = self::fe_sub($t0, $r->T); $r->T = self::fe_add($t0, $r->T); return $r; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p * @return ParagonIE_Sodium_Core_Curve25519_Ge_P2 */ public static function ge_p1p1_to_p2(ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p) { $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P2(); $r->X = self::fe_mul($p->X, $p->T); $r->Y = self::fe_mul($p->Y, $p->Z); $r->Z = self::fe_mul($p->Z, $p->T); return $r; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 */ public static function ge_p1p1_to_p3(ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p) { $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P3(); $r->X = self::fe_mul($p->X, $p->T); $r->Y = self::fe_mul($p->Y, $p->Z); $r->Z = self::fe_mul($p->Z, $p->T); $r->T = self::fe_mul($p->X, $p->Y); return $r; } /** * @internal You should not use this directly from another application * * @return ParagonIE_Sodium_Core_Curve25519_Ge_P2 */ public static function ge_p2_0() { return new ParagonIE_Sodium_Core_Curve25519_Ge_P2( self::fe_0(), self::fe_1(), self::fe_1() ); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P2 $p * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 */ public static function ge_p2_dbl(ParagonIE_Sodium_Core_Curve25519_Ge_P2 $p) { $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1(); $r->X = self::fe_sq($p->X); $r->Z = self::fe_sq($p->Y); $r->T = self::fe_sq2($p->Z); $r->Y = self::fe_add($p->X, $p->Y); $t0 = self::fe_sq($r->Y); $r->Y = self::fe_add($r->Z, $r->X); $r->Z = self::fe_sub($r->Z, $r->X); $r->X = self::fe_sub($t0, $r->Y); $r->T = self::fe_sub($r->T, $r->Z); return $r; } /** * @internal You should not use this directly from another application * * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 */ public static function ge_p3_0() { return new ParagonIE_Sodium_Core_Curve25519_Ge_P3( self::fe_0(), self::fe_1(), self::fe_1(), self::fe_0() ); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p * @return ParagonIE_Sodium_Core_Curve25519_Ge_Cached */ public static function ge_p3_to_cached(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p) { static $d2 = null; if ($d2 === null) { $d2 = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$d2); } /** @var ParagonIE_Sodium_Core_Curve25519_Fe $d2 */ $r = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached(); $r->YplusX = self::fe_add($p->Y, $p->X); $r->YminusX = self::fe_sub($p->Y, $p->X); $r->Z = self::fe_copy($p->Z); $r->T2d = self::fe_mul($p->T, $d2); return $r; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p * @return ParagonIE_Sodium_Core_Curve25519_Ge_P2 */ public static function ge_p3_to_p2(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p) { return new ParagonIE_Sodium_Core_Curve25519_Ge_P2( self::fe_copy($p->X), self::fe_copy($p->Y), self::fe_copy($p->Z) ); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h * @return string * @throws SodiumException * @throws TypeError */ public static function ge_p3_tobytes(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h) { $recip = self::fe_invert($h->Z); $x = self::fe_mul($h->X, $recip); $y = self::fe_mul($h->Y, $recip); $s = self::fe_tobytes($y); $s[31] = self::intToChr( self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7) ); return $s; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 */ public static function ge_p3_dbl(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p) { $q = self::ge_p3_to_p2($p); return self::ge_p2_dbl($q); } /** * @return ParagonIE_Sodium_Core_Curve25519_Ge_Precomp */ public static function ge_precomp_0() { return new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp( self::fe_1(), self::fe_1(), self::fe_0() ); } /** * @internal You should not use this directly from another application * * @param int $b * @param int $c * @return int */ public static function equal($b, $c) { return (int) ((($b ^ $c) - 1) >> 31) & 1; } /** * @internal You should not use this directly from another application * * @param int|string $char * @return int (1 = yes, 0 = no) * @throws SodiumException * @throws TypeError */ public static function negative($char) { if (is_int($char)) { return ($char >> 63) & 1; } $x = self::chrToInt(self::substr($char, 0, 1)); return (int) ($x >> 63); } /** * Conditional move * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $t * @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $u * @param int $b * @return ParagonIE_Sodium_Core_Curve25519_Ge_Precomp */ public static function cmov( ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $t, ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $u, $b ) { if (!is_int($b)) { throw new InvalidArgumentException('Expected an integer.'); } return new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp( self::fe_cmov($t->yplusx, $u->yplusx, $b), self::fe_cmov($t->yminusx, $u->yminusx, $b), self::fe_cmov($t->xy2d, $u->xy2d, $b) ); } /** * @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached $t * @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached $u * @param int $b * @return ParagonIE_Sodium_Core_Curve25519_Ge_Cached */ public static function ge_cmov_cached( ParagonIE_Sodium_Core_Curve25519_Ge_Cached $t, ParagonIE_Sodium_Core_Curve25519_Ge_Cached $u, $b ) { $b &= 1; $ret = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached(); $ret->YplusX = self::fe_cmov($t->YplusX, $u->YplusX, $b); $ret->YminusX = self::fe_cmov($t->YminusX, $u->YminusX, $b); $ret->Z = self::fe_cmov($t->Z, $u->Z, $b); $ret->T2d = self::fe_cmov($t->T2d, $u->T2d, $b); return $ret; } /** * @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached[] $cached * @param int $b * @return ParagonIE_Sodium_Core_Curve25519_Ge_Cached * @throws SodiumException */ public static function ge_cmov8_cached(array $cached, $b) { // const unsigned char bnegative = negative(b); // const unsigned char babs = b - (((-bnegative) & b) * ((signed char) 1 << 1)); $bnegative = self::negative($b); $babs = $b - (((-$bnegative) & $b) << 1); // ge25519_cached_0(t); $t = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached( self::fe_1(), self::fe_1(), self::fe_1(), self::fe_0() ); // ge25519_cmov_cached(t, &cached[0], equal(babs, 1)); // ge25519_cmov_cached(t, &cached[1], equal(babs, 2)); // ge25519_cmov_cached(t, &cached[2], equal(babs, 3)); // ge25519_cmov_cached(t, &cached[3], equal(babs, 4)); // ge25519_cmov_cached(t, &cached[4], equal(babs, 5)); // ge25519_cmov_cached(t, &cached[5], equal(babs, 6)); // ge25519_cmov_cached(t, &cached[6], equal(babs, 7)); // ge25519_cmov_cached(t, &cached[7], equal(babs, 8)); for ($x = 0; $x < 8; ++$x) { $t = self::ge_cmov_cached($t, $cached[$x], self::equal($babs, $x + 1)); } // fe25519_copy(minust.YplusX, t->YminusX); // fe25519_copy(minust.YminusX, t->YplusX); // fe25519_copy(minust.Z, t->Z); // fe25519_neg(minust.T2d, t->T2d); $minust = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached( self::fe_copy($t->YminusX), self::fe_copy($t->YplusX), self::fe_copy($t->Z), self::fe_neg($t->T2d) ); return self::ge_cmov_cached($t, $minust, $bnegative); } /** * @internal You should not use this directly from another application * * @param int $pos * @param int $b * @return ParagonIE_Sodium_Core_Curve25519_Ge_Precomp * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayOffset */ public static function ge_select($pos = 0, $b = 0) { static $base = null; if ($base === null) { $base = array(); /** @var int $i */ foreach (self::$base as $i => $bas) { for ($j = 0; $j < 8; ++$j) { $base[$i][$j] = new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp( ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($bas[$j][0]), ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($bas[$j][1]), ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($bas[$j][2]) ); } } } /** @var array<int, array<int, ParagonIE_Sodium_Core_Curve25519_Ge_Precomp>> $base */ if (!is_int($pos)) { throw new InvalidArgumentException('Position must be an integer'); } if ($pos < 0 || $pos > 31) { throw new RangeException('Position is out of range [0, 31]'); } $bnegative = self::negative($b); $babs = $b - (((-$bnegative) & $b) << 1); $t = self::ge_precomp_0(); for ($i = 0; $i < 8; ++$i) { $t = self::cmov( $t, $base[$pos][$i], self::equal($babs, $i + 1) ); } $minusT = new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp( self::fe_copy($t->yminusx), self::fe_copy($t->yplusx), self::fe_neg($t->xy2d) ); return self::cmov($t, $minusT, $bnegative); } /** * Subtract two group elements. * * r = p - q * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p * @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 */ public static function ge_sub( ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q ) { $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1(); $r->X = self::fe_add($p->Y, $p->X); $r->Y = self::fe_sub($p->Y, $p->X); $r->Z = self::fe_mul($r->X, $q->YminusX); $r->Y = self::fe_mul($r->Y, $q->YplusX); $r->T = self::fe_mul($q->T2d, $p->T); $r->X = self::fe_mul($p->Z, $q->Z); $t0 = self::fe_add($r->X, $r->X); $r->X = self::fe_sub($r->Z, $r->Y); $r->Y = self::fe_add($r->Z, $r->Y); $r->Z = self::fe_sub($t0, $r->T); $r->T = self::fe_add($t0, $r->T); return $r; } /** * Convert a group element to a byte string. * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P2 $h * @return string * @throws SodiumException * @throws TypeError */ public static function ge_tobytes(ParagonIE_Sodium_Core_Curve25519_Ge_P2 $h) { $recip = self::fe_invert($h->Z); $x = self::fe_mul($h->X, $recip); $y = self::fe_mul($h->Y, $recip); $s = self::fe_tobytes($y); $s[31] = self::intToChr( self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7) ); return $s; } /** * @internal You should not use this directly from another application * * @param string $a * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A * @param string $b * @return ParagonIE_Sodium_Core_Curve25519_Ge_P2 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedArrayAccess */ public static function ge_double_scalarmult_vartime( $a, ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A, $b ) { /** @var array<int, ParagonIE_Sodium_Core_Curve25519_Ge_Cached> $Ai */ $Ai = array(); /** @var array<int, ParagonIE_Sodium_Core_Curve25519_Ge_Precomp> $Bi */ static $Bi = array(); if (!$Bi) { for ($i = 0; $i < 8; ++$i) { $Bi[$i] = new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp( ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$base2[$i][0]), ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$base2[$i][1]), ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$base2[$i][2]) ); } } for ($i = 0; $i < 8; ++$i) { $Ai[$i] = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached( self::fe_0(), self::fe_0(), self::fe_0(), self::fe_0() ); } # slide(aslide,a); # slide(bslide,b); /** @var array<int, int> $aslide */ $aslide = self::slide($a); /** @var array<int, int> $bslide */ $bslide = self::slide($b); # ge_p3_to_cached(&Ai[0],A); # ge_p3_dbl(&t,A); ge_p1p1_to_p3(&A2,&t); $Ai[0] = self::ge_p3_to_cached($A); $t = self::ge_p3_dbl($A); $A2 = self::ge_p1p1_to_p3($t); # ge_add(&t,&A2,&Ai[0]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[1],&u); # ge_add(&t,&A2,&Ai[1]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[2],&u); # ge_add(&t,&A2,&Ai[2]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[3],&u); # ge_add(&t,&A2,&Ai[3]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[4],&u); # ge_add(&t,&A2,&Ai[4]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[5],&u); # ge_add(&t,&A2,&Ai[5]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[6],&u); # ge_add(&t,&A2,&Ai[6]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[7],&u); for ($i = 0; $i < 7; ++$i) { $t = self::ge_add($A2, $Ai[$i]); $u = self::ge_p1p1_to_p3($t); $Ai[$i + 1] = self::ge_p3_to_cached($u); } # ge_p2_0(r); $r = self::ge_p2_0(); # for (i = 255;i >= 0;--i) { # if (aslide[i] || bslide[i]) break; # } $i = 255; for (; $i >= 0; --$i) { if ($aslide[$i] || $bslide[$i]) { break; } } # for (;i >= 0;--i) { for (; $i >= 0; --$i) { # ge_p2_dbl(&t,r); $t = self::ge_p2_dbl($r); # if (aslide[i] > 0) { if ($aslide[$i] > 0) { # ge_p1p1_to_p3(&u,&t); # ge_add(&t,&u,&Ai[aslide[i]/2]); $u = self::ge_p1p1_to_p3($t); $t = self::ge_add( $u, $Ai[(int) floor($aslide[$i] / 2)] ); # } else if (aslide[i] < 0) { } elseif ($aslide[$i] < 0) { # ge_p1p1_to_p3(&u,&t); # ge_sub(&t,&u,&Ai[(-aslide[i])/2]); $u = self::ge_p1p1_to_p3($t); $t = self::ge_sub( $u, $Ai[(int) floor(-$aslide[$i] / 2)] ); } # if (bslide[i] > 0) { if ($bslide[$i] > 0) { /** @var int $index */ $index = (int) floor($bslide[$i] / 2); # ge_p1p1_to_p3(&u,&t); # ge_madd(&t,&u,&Bi[bslide[i]/2]); $u = self::ge_p1p1_to_p3($t); $t = self::ge_madd($t, $u, $Bi[$index]); # } else if (bslide[i] < 0) { } elseif ($bslide[$i] < 0) { /** @var int $index */ $index = (int) floor(-$bslide[$i] / 2); # ge_p1p1_to_p3(&u,&t); # ge_msub(&t,&u,&Bi[(-bslide[i])/2]); $u = self::ge_p1p1_to_p3($t); $t = self::ge_msub($t, $u, $Bi[$index]); } # ge_p1p1_to_p2(r,&t); $r = self::ge_p1p1_to_p2($t); } return $r; } /** * @internal You should not use this directly from another application * * @param string $a * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedAssignment * @psalm-suppress MixedOperand */ public static function ge_scalarmult($a, $p) { $e = array_fill(0, 64, 0); /** @var ParagonIE_Sodium_Core_Curve25519_Ge_Cached[] $pi */ $pi = array(); // ge25519_p3_to_cached(&pi[1 - 1], p); /* p */ $pi[0] = self::ge_p3_to_cached($p); // ge25519_p3_dbl(&t2, p); // ge25519_p1p1_to_p3(&p2, &t2); // ge25519_p3_to_cached(&pi[2 - 1], &p2); /* 2p = 2*p */ $t2 = self::ge_p3_dbl($p); $p2 = self::ge_p1p1_to_p3($t2); $pi[1] = self::ge_p3_to_cached($p2); // ge25519_add_cached(&t3, p, &pi[2 - 1]); // ge25519_p1p1_to_p3(&p3, &t3); // ge25519_p3_to_cached(&pi[3 - 1], &p3); /* 3p = 2p+p */ $t3 = self::ge_add($p, $pi[1]); $p3 = self::ge_p1p1_to_p3($t3); $pi[2] = self::ge_p3_to_cached($p3); // ge25519_p3_dbl(&t4, &p2); // ge25519_p1p1_to_p3(&p4, &t4); // ge25519_p3_to_cached(&pi[4 - 1], &p4); /* 4p = 2*2p */ $t4 = self::ge_p3_dbl($p2); $p4 = self::ge_p1p1_to_p3($t4); $pi[3] = self::ge_p3_to_cached($p4); // ge25519_add_cached(&t5, p, &pi[4 - 1]); // ge25519_p1p1_to_p3(&p5, &t5); // ge25519_p3_to_cached(&pi[5 - 1], &p5); /* 5p = 4p+p */ $t5 = self::ge_add($p, $pi[3]); $p5 = self::ge_p1p1_to_p3($t5); $pi[4] = self::ge_p3_to_cached($p5); // ge25519_p3_dbl(&t6, &p3); // ge25519_p1p1_to_p3(&p6, &t6); // ge25519_p3_to_cached(&pi[6 - 1], &p6); /* 6p = 2*3p */ $t6 = self::ge_p3_dbl($p3); $p6 = self::ge_p1p1_to_p3($t6); $pi[5] = self::ge_p3_to_cached($p6); // ge25519_add_cached(&t7, p, &pi[6 - 1]); // ge25519_p1p1_to_p3(&p7, &t7); // ge25519_p3_to_cached(&pi[7 - 1], &p7); /* 7p = 6p+p */ $t7 = self::ge_add($p, $pi[5]); $p7 = self::ge_p1p1_to_p3($t7); $pi[6] = self::ge_p3_to_cached($p7); // ge25519_p3_dbl(&t8, &p4); // ge25519_p1p1_to_p3(&p8, &t8); // ge25519_p3_to_cached(&pi[8 - 1], &p8); /* 8p = 2*4p */ $t8 = self::ge_p3_dbl($p4); $p8 = self::ge_p1p1_to_p3($t8); $pi[7] = self::ge_p3_to_cached($p8); // for (i = 0; i < 32; ++i) { // e[2 * i + 0] = (a[i] >> 0) & 15; // e[2 * i + 1] = (a[i] >> 4) & 15; // } for ($i = 0; $i < 32; ++$i) { $e[($i << 1) ] = self::chrToInt($a[$i]) & 15; $e[($i << 1) + 1] = (self::chrToInt($a[$i]) >> 4) & 15; } // /* each e[i] is between 0 and 15 */ // /* e[63] is between 0 and 7 */ // carry = 0; // for (i = 0; i < 63; ++i) { // e[i] += carry; // carry = e[i] + 8; // carry >>= 4; // e[i] -= carry * ((signed char) 1 << 4); // } $carry = 0; for ($i = 0; $i < 63; ++$i) { $e[$i] += $carry; $carry = $e[$i] + 8; $carry >>= 4; $e[$i] -= $carry << 4; } // e[63] += carry; // /* each e[i] is between -8 and 8 */ $e[63] += $carry; // ge25519_p3_0(h); $h = self::ge_p3_0(); // for (i = 63; i != 0; i--) { for ($i = 63; $i != 0; --$i) { // ge25519_cmov8_cached(&t, pi, e[i]); $t = self::ge_cmov8_cached($pi, $e[$i]); // ge25519_add_cached(&r, h, &t); $r = self::ge_add($h, $t); // ge25519_p1p1_to_p2(&s, &r); // ge25519_p2_dbl(&r, &s); // ge25519_p1p1_to_p2(&s, &r); // ge25519_p2_dbl(&r, &s); // ge25519_p1p1_to_p2(&s, &r); // ge25519_p2_dbl(&r, &s); // ge25519_p1p1_to_p2(&s, &r); // ge25519_p2_dbl(&r, &s); $s = self::ge_p1p1_to_p2($r); $r = self::ge_p2_dbl($s); $s = self::ge_p1p1_to_p2($r); $r = self::ge_p2_dbl($s); $s = self::ge_p1p1_to_p2($r); $r = self::ge_p2_dbl($s); $s = self::ge_p1p1_to_p2($r); $r = self::ge_p2_dbl($s); // ge25519_p1p1_to_p3(h, &r); /* *16 */ $h = self::ge_p1p1_to_p3($r); /* *16 */ } // ge25519_cmov8_cached(&t, pi, e[i]); // ge25519_add_cached(&r, h, &t); // ge25519_p1p1_to_p3(h, &r); $t = self::ge_cmov8_cached($pi, $e[0]); $r = self::ge_add($h, $t); return self::ge_p1p1_to_p3($r); } /** * @internal You should not use this directly from another application * * @param string $a * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedAssignment * @psalm-suppress MixedOperand */ public static function ge_scalarmult_base($a) { /** @var array<int, int> $e */ $e = array(); $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1(); for ($i = 0; $i < 32; ++$i) { $dbl = (int) $i << 1; $e[$dbl] = (int) self::chrToInt($a[$i]) & 15; $e[$dbl + 1] = (int) (self::chrToInt($a[$i]) >> 4) & 15; } $carry = 0; for ($i = 0; $i < 63; ++$i) { $e[$i] += $carry; $carry = $e[$i] + 8; $carry >>= 4; $e[$i] -= $carry << 4; } $e[63] += (int) $carry; $h = self::ge_p3_0(); for ($i = 1; $i < 64; $i += 2) { $t = self::ge_select((int) floor($i / 2), (int) $e[$i]); $r = self::ge_madd($r, $h, $t); $h = self::ge_p1p1_to_p3($r); } $r = self::ge_p3_dbl($h); $s = self::ge_p1p1_to_p2($r); $r = self::ge_p2_dbl($s); $s = self::ge_p1p1_to_p2($r); $r = self::ge_p2_dbl($s); $s = self::ge_p1p1_to_p2($r); $r = self::ge_p2_dbl($s); $h = self::ge_p1p1_to_p3($r); for ($i = 0; $i < 64; $i += 2) { $t = self::ge_select($i >> 1, (int) $e[$i]); $r = self::ge_madd($r, $h, $t); $h = self::ge_p1p1_to_p3($r); } return $h; } /** * Calculates (ab + c) mod l * where l = 2^252 + 27742317777372353535851937790883648493 * * @internal You should not use this directly from another application * * @param string $a * @param string $b * @param string $c * @return string * @throws TypeError */ public static function sc_muladd($a, $b, $c) { $a0 = 2097151 & self::load_3(self::substr($a, 0, 3)); $a1 = 2097151 & (self::load_4(self::substr($a, 2, 4)) >> 5); $a2 = 2097151 & (self::load_3(self::substr($a, 5, 3)) >> 2); $a3 = 2097151 & (self::load_4(self::substr($a, 7, 4)) >> 7); $a4 = 2097151 & (self::load_4(self::substr($a, 10, 4)) >> 4); $a5 = 2097151 & (self::load_3(self::substr($a, 13, 3)) >> 1); $a6 = 2097151 & (self::load_4(self::substr($a, 15, 4)) >> 6); $a7 = 2097151 & (self::load_3(self::substr($a, 18, 3)) >> 3); $a8 = 2097151 & self::load_3(self::substr($a, 21, 3)); $a9 = 2097151 & (self::load_4(self::substr($a, 23, 4)) >> 5); $a10 = 2097151 & (self::load_3(self::substr($a, 26, 3)) >> 2); $a11 = (self::load_4(self::substr($a, 28, 4)) >> 7); $b0 = 2097151 & self::load_3(self::substr($b, 0, 3)); $b1 = 2097151 & (self::load_4(self::substr($b, 2, 4)) >> 5); $b2 = 2097151 & (self::load_3(self::substr($b, 5, 3)) >> 2); $b3 = 2097151 & (self::load_4(self::substr($b, 7, 4)) >> 7); $b4 = 2097151 & (self::load_4(self::substr($b, 10, 4)) >> 4); $b5 = 2097151 & (self::load_3(self::substr($b, 13, 3)) >> 1); $b6 = 2097151 & (self::load_4(self::substr($b, 15, 4)) >> 6); $b7 = 2097151 & (self::load_3(self::substr($b, 18, 3)) >> 3); $b8 = 2097151 & self::load_3(self::substr($b, 21, 3)); $b9 = 2097151 & (self::load_4(self::substr($b, 23, 4)) >> 5); $b10 = 2097151 & (self::load_3(self::substr($b, 26, 3)) >> 2); $b11 = (self::load_4(self::substr($b, 28, 4)) >> 7); $c0 = 2097151 & self::load_3(self::substr($c, 0, 3)); $c1 = 2097151 & (self::load_4(self::substr($c, 2, 4)) >> 5); $c2 = 2097151 & (self::load_3(self::substr($c, 5, 3)) >> 2); $c3 = 2097151 & (self::load_4(self::substr($c, 7, 4)) >> 7); $c4 = 2097151 & (self::load_4(self::substr($c, 10, 4)) >> 4); $c5 = 2097151 & (self::load_3(self::substr($c, 13, 3)) >> 1); $c6 = 2097151 & (self::load_4(self::substr($c, 15, 4)) >> 6); $c7 = 2097151 & (self::load_3(self::substr($c, 18, 3)) >> 3); $c8 = 2097151 & self::load_3(self::substr($c, 21, 3)); $c9 = 2097151 & (self::load_4(self::substr($c, 23, 4)) >> 5); $c10 = 2097151 & (self::load_3(self::substr($c, 26, 3)) >> 2); $c11 = (self::load_4(self::substr($c, 28, 4)) >> 7); /* Can't really avoid the pyramid here: */ $s0 = $c0 + self::mul($a0, $b0, 24); $s1 = $c1 + self::mul($a0, $b1, 24) + self::mul($a1, $b0, 24); $s2 = $c2 + self::mul($a0, $b2, 24) + self::mul($a1, $b1, 24) + self::mul($a2, $b0, 24); $s3 = $c3 + self::mul($a0, $b3, 24) + self::mul($a1, $b2, 24) + self::mul($a2, $b1, 24) + self::mul($a3, $b0, 24); $s4 = $c4 + self::mul($a0, $b4, 24) + self::mul($a1, $b3, 24) + self::mul($a2, $b2, 24) + self::mul($a3, $b1, 24) + self::mul($a4, $b0, 24); $s5 = $c5 + self::mul($a0, $b5, 24) + self::mul($a1, $b4, 24) + self::mul($a2, $b3, 24) + self::mul($a3, $b2, 24) + self::mul($a4, $b1, 24) + self::mul($a5, $b0, 24); $s6 = $c6 + self::mul($a0, $b6, 24) + self::mul($a1, $b5, 24) + self::mul($a2, $b4, 24) + self::mul($a3, $b3, 24) + self::mul($a4, $b2, 24) + self::mul($a5, $b1, 24) + self::mul($a6, $b0, 24); $s7 = $c7 + self::mul($a0, $b7, 24) + self::mul($a1, $b6, 24) + self::mul($a2, $b5, 24) + self::mul($a3, $b4, 24) + self::mul($a4, $b3, 24) + self::mul($a5, $b2, 24) + self::mul($a6, $b1, 24) + self::mul($a7, $b0, 24); $s8 = $c8 + self::mul($a0, $b8, 24) + self::mul($a1, $b7, 24) + self::mul($a2, $b6, 24) + self::mul($a3, $b5, 24) + self::mul($a4, $b4, 24) + self::mul($a5, $b3, 24) + self::mul($a6, $b2, 24) + self::mul($a7, $b1, 24) + self::mul($a8, $b0, 24); $s9 = $c9 + self::mul($a0, $b9, 24) + self::mul($a1, $b8, 24) + self::mul($a2, $b7, 24) + self::mul($a3, $b6, 24) + self::mul($a4, $b5, 24) + self::mul($a5, $b4, 24) + self::mul($a6, $b3, 24) + self::mul($a7, $b2, 24) + self::mul($a8, $b1, 24) + self::mul($a9, $b0, 24); $s10 = $c10 + self::mul($a0, $b10, 24) + self::mul($a1, $b9, 24) + self::mul($a2, $b8, 24) + self::mul($a3, $b7, 24) + self::mul($a4, $b6, 24) + self::mul($a5, $b5, 24) + self::mul($a6, $b4, 24) + self::mul($a7, $b3, 24) + self::mul($a8, $b2, 24) + self::mul($a9, $b1, 24) + self::mul($a10, $b0, 24); $s11 = $c11 + self::mul($a0, $b11, 24) + self::mul($a1, $b10, 24) + self::mul($a2, $b9, 24) + self::mul($a3, $b8, 24) + self::mul($a4, $b7, 24) + self::mul($a5, $b6, 24) + self::mul($a6, $b5, 24) + self::mul($a7, $b4, 24) + self::mul($a8, $b3, 24) + self::mul($a9, $b2, 24) + self::mul($a10, $b1, 24) + self::mul($a11, $b0, 24); $s12 = self::mul($a1, $b11, 24) + self::mul($a2, $b10, 24) + self::mul($a3, $b9, 24) + self::mul($a4, $b8, 24) + self::mul($a5, $b7, 24) + self::mul($a6, $b6, 24) + self::mul($a7, $b5, 24) + self::mul($a8, $b4, 24) + self::mul($a9, $b3, 24) + self::mul($a10, $b2, 24) + self::mul($a11, $b1, 24); $s13 = self::mul($a2, $b11, 24) + self::mul($a3, $b10, 24) + self::mul($a4, $b9, 24) + self::mul($a5, $b8, 24) + self::mul($a6, $b7, 24) + self::mul($a7, $b6, 24) + self::mul($a8, $b5, 24) + self::mul($a9, $b4, 24) + self::mul($a10, $b3, 24) + self::mul($a11, $b2, 24); $s14 = self::mul($a3, $b11, 24) + self::mul($a4, $b10, 24) + self::mul($a5, $b9, 24) + self::mul($a6, $b8, 24) + self::mul($a7, $b7, 24) + self::mul($a8, $b6, 24) + self::mul($a9, $b5, 24) + self::mul($a10, $b4, 24) + self::mul($a11, $b3, 24); $s15 = self::mul($a4, $b11, 24) + self::mul($a5, $b10, 24) + self::mul($a6, $b9, 24) + self::mul($a7, $b8, 24) + self::mul($a8, $b7, 24) + self::mul($a9, $b6, 24) + self::mul($a10, $b5, 24) + self::mul($a11, $b4, 24); $s16 = self::mul($a5, $b11, 24) + self::mul($a6, $b10, 24) + self::mul($a7, $b9, 24) + self::mul($a8, $b8, 24) + self::mul($a9, $b7, 24) + self::mul($a10, $b6, 24) + self::mul($a11, $b5, 24); $s17 = self::mul($a6, $b11, 24) + self::mul($a7, $b10, 24) + self::mul($a8, $b9, 24) + self::mul($a9, $b8, 24) + self::mul($a10, $b7, 24) + self::mul($a11, $b6, 24); $s18 = self::mul($a7, $b11, 24) + self::mul($a8, $b10, 24) + self::mul($a9, $b9, 24) + self::mul($a10, $b8, 24) + self::mul($a11, $b7, 24); $s19 = self::mul($a8, $b11, 24) + self::mul($a9, $b10, 24) + self::mul($a10, $b9, 24) + self::mul($a11, $b8, 24); $s20 = self::mul($a9, $b11, 24) + self::mul($a10, $b10, 24) + self::mul($a11, $b9, 24); $s21 = self::mul($a10, $b11, 24) + self::mul($a11, $b10, 24); $s22 = self::mul($a11, $b11, 24); $s23 = 0; $carry0 = ($s0 + (1 << 20)) >> 21; $s1 += $carry0; $s0 -= $carry0 << 21; $carry2 = ($s2 + (1 << 20)) >> 21; $s3 += $carry2; $s2 -= $carry2 << 21; $carry4 = ($s4 + (1 << 20)) >> 21; $s5 += $carry4; $s4 -= $carry4 << 21; $carry6 = ($s6 + (1 << 20)) >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; $carry8 = ($s8 + (1 << 20)) >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; $carry10 = ($s10 + (1 << 20)) >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; $carry12 = ($s12 + (1 << 20)) >> 21; $s13 += $carry12; $s12 -= $carry12 << 21; $carry14 = ($s14 + (1 << 20)) >> 21; $s15 += $carry14; $s14 -= $carry14 << 21; $carry16 = ($s16 + (1 << 20)) >> 21; $s17 += $carry16; $s16 -= $carry16 << 21; $carry18 = ($s18 + (1 << 20)) >> 21; $s19 += $carry18; $s18 -= $carry18 << 21; $carry20 = ($s20 + (1 << 20)) >> 21; $s21 += $carry20; $s20 -= $carry20 << 21; $carry22 = ($s22 + (1 << 20)) >> 21; $s23 += $carry22; $s22 -= $carry22 << 21; $carry1 = ($s1 + (1 << 20)) >> 21; $s2 += $carry1; $s1 -= $carry1 << 21; $carry3 = ($s3 + (1 << 20)) >> 21; $s4 += $carry3; $s3 -= $carry3 << 21; $carry5 = ($s5 + (1 << 20)) >> 21; $s6 += $carry5; $s5 -= $carry5 << 21; $carry7 = ($s7 + (1 << 20)) >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; $carry9 = ($s9 + (1 << 20)) >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; $carry11 = ($s11 + (1 << 20)) >> 21; $s12 += $carry11; $s11 -= $carry11 << 21; $carry13 = ($s13 + (1 << 20)) >> 21; $s14 += $carry13; $s13 -= $carry13 << 21; $carry15 = ($s15 + (1 << 20)) >> 21; $s16 += $carry15; $s15 -= $carry15 << 21; $carry17 = ($s17 + (1 << 20)) >> 21; $s18 += $carry17; $s17 -= $carry17 << 21; $carry19 = ($s19 + (1 << 20)) >> 21; $s20 += $carry19; $s19 -= $carry19 << 21; $carry21 = ($s21 + (1 << 20)) >> 21; $s22 += $carry21; $s21 -= $carry21 << 21; $s11 += self::mul($s23, 666643, 20); $s12 += self::mul($s23, 470296, 19); $s13 += self::mul($s23, 654183, 20); $s14 -= self::mul($s23, 997805, 20); $s15 += self::mul($s23, 136657, 18); $s16 -= self::mul($s23, 683901, 20); $s10 += self::mul($s22, 666643, 20); $s11 += self::mul($s22, 470296, 19); $s12 += self::mul($s22, 654183, 20); $s13 -= self::mul($s22, 997805, 20); $s14 += self::mul($s22, 136657, 18); $s15 -= self::mul($s22, 683901, 20); $s9 += self::mul($s21, 666643, 20); $s10 += self::mul($s21, 470296, 19); $s11 += self::mul($s21, 654183, 20); $s12 -= self::mul($s21, 997805, 20); $s13 += self::mul($s21, 136657, 18); $s14 -= self::mul($s21, 683901, 20); $s8 += self::mul($s20, 666643, 20); $s9 += self::mul($s20, 470296, 19); $s10 += self::mul($s20, 654183, 20); $s11 -= self::mul($s20, 997805, 20); $s12 += self::mul($s20, 136657, 18); $s13 -= self::mul($s20, 683901, 20); $s7 += self::mul($s19, 666643, 20); $s8 += self::mul($s19, 470296, 19); $s9 += self::mul($s19, 654183, 20); $s10 -= self::mul($s19, 997805, 20); $s11 += self::mul($s19, 136657, 18); $s12 -= self::mul($s19, 683901, 20); $s6 += self::mul($s18, 666643, 20); $s7 += self::mul($s18, 470296, 19); $s8 += self::mul($s18, 654183, 20); $s9 -= self::mul($s18, 997805, 20); $s10 += self::mul($s18, 136657, 18); $s11 -= self::mul($s18, 683901, 20); $carry6 = ($s6 + (1 << 20)) >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; $carry8 = ($s8 + (1 << 20)) >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; $carry10 = ($s10 + (1 << 20)) >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; $carry12 = ($s12 + (1 << 20)) >> 21; $s13 += $carry12; $s12 -= $carry12 << 21; $carry14 = ($s14 + (1 << 20)) >> 21; $s15 += $carry14; $s14 -= $carry14 << 21; $carry16 = ($s16 + (1 << 20)) >> 21; $s17 += $carry16; $s16 -= $carry16 << 21; $carry7 = ($s7 + (1 << 20)) >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; $carry9 = ($s9 + (1 << 20)) >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; $carry11 = ($s11 + (1 << 20)) >> 21; $s12 += $carry11; $s11 -= $carry11 << 21; $carry13 = ($s13 + (1 << 20)) >> 21; $s14 += $carry13; $s13 -= $carry13 << 21; $carry15 = ($s15 + (1 << 20)) >> 21; $s16 += $carry15; $s15 -= $carry15 << 21; $s5 += self::mul($s17, 666643, 20); $s6 += self::mul($s17, 470296, 19); $s7 += self::mul($s17, 654183, 20); $s8 -= self::mul($s17, 997805, 20); $s9 += self::mul($s17, 136657, 18); $s10 -= self::mul($s17, 683901, 20); $s4 += self::mul($s16, 666643, 20); $s5 += self::mul($s16, 470296, 19); $s6 += self::mul($s16, 654183, 20); $s7 -= self::mul($s16, 997805, 20); $s8 += self::mul($s16, 136657, 18); $s9 -= self::mul($s16, 683901, 20); $s3 += self::mul($s15, 666643, 20); $s4 += self::mul($s15, 470296, 19); $s5 += self::mul($s15, 654183, 20); $s6 -= self::mul($s15, 997805, 20); $s7 += self::mul($s15, 136657, 18); $s8 -= self::mul($s15, 683901, 20); $s2 += self::mul($s14, 666643, 20); $s3 += self::mul($s14, 470296, 19); $s4 += self::mul($s14, 654183, 20); $s5 -= self::mul($s14, 997805, 20); $s6 += self::mul($s14, 136657, 18); $s7 -= self::mul($s14, 683901, 20); $s1 += self::mul($s13, 666643, 20); $s2 += self::mul($s13, 470296, 19); $s3 += self::mul($s13, 654183, 20); $s4 -= self::mul($s13, 997805, 20); $s5 += self::mul($s13, 136657, 18); $s6 -= self::mul($s13, 683901, 20); $s0 += self::mul($s12, 666643, 20); $s1 += self::mul($s12, 470296, 19); $s2 += self::mul($s12, 654183, 20); $s3 -= self::mul($s12, 997805, 20); $s4 += self::mul($s12, 136657, 18); $s5 -= self::mul($s12, 683901, 20); $s12 = 0; $carry0 = ($s0 + (1 << 20)) >> 21; $s1 += $carry0; $s0 -= $carry0 << 21; $carry2 = ($s2 + (1 << 20)) >> 21; $s3 += $carry2; $s2 -= $carry2 << 21; $carry4 = ($s4 + (1 << 20)) >> 21; $s5 += $carry4; $s4 -= $carry4 << 21; $carry6 = ($s6 + (1 << 20)) >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; $carry8 = ($s8 + (1 << 20)) >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; $carry10 = ($s10 + (1 << 20)) >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; $carry1 = ($s1 + (1 << 20)) >> 21; $s2 += $carry1; $s1 -= $carry1 << 21; $carry3 = ($s3 + (1 << 20)) >> 21; $s4 += $carry3; $s3 -= $carry3 << 21; $carry5 = ($s5 + (1 << 20)) >> 21; $s6 += $carry5; $s5 -= $carry5 << 21; $carry7 = ($s7 + (1 << 20)) >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; $carry9 = ($s9 + (1 << 20)) >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; $carry11 = ($s11 + (1 << 20)) >> 21; $s12 += $carry11; $s11 -= $carry11 << 21; $s0 += self::mul($s12, 666643, 20); $s1 += self::mul($s12, 470296, 19); $s2 += self::mul($s12, 654183, 20); $s3 -= self::mul($s12, 997805, 20); $s4 += self::mul($s12, 136657, 18); $s5 -= self::mul($s12, 683901, 20); $s12 = 0; $carry0 = $s0 >> 21; $s1 += $carry0; $s0 -= $carry0 << 21; $carry1 = $s1 >> 21; $s2 += $carry1; $s1 -= $carry1 << 21; $carry2 = $s2 >> 21; $s3 += $carry2; $s2 -= $carry2 << 21; $carry3 = $s3 >> 21; $s4 += $carry3; $s3 -= $carry3 << 21; $carry4 = $s4 >> 21; $s5 += $carry4; $s4 -= $carry4 << 21; $carry5 = $s5 >> 21; $s6 += $carry5; $s5 -= $carry5 << 21; $carry6 = $s6 >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; $carry7 = $s7 >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; $carry8 = $s8 >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; $carry9 = $s9 >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; $carry10 = $s10 >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; $carry11 = $s11 >> 21; $s12 += $carry11; $s11 -= $carry11 << 21; $s0 += self::mul($s12, 666643, 20); $s1 += self::mul($s12, 470296, 19); $s2 += self::mul($s12, 654183, 20); $s3 -= self::mul($s12, 997805, 20); $s4 += self::mul($s12, 136657, 18); $s5 -= self::mul($s12, 683901, 20); $carry0 = $s0 >> 21; $s1 += $carry0; $s0 -= $carry0 << 21; $carry1 = $s1 >> 21; $s2 += $carry1; $s1 -= $carry1 << 21; $carry2 = $s2 >> 21; $s3 += $carry2; $s2 -= $carry2 << 21; $carry3 = $s3 >> 21; $s4 += $carry3; $s3 -= $carry3 << 21; $carry4 = $s4 >> 21; $s5 += $carry4; $s4 -= $carry4 << 21; $carry5 = $s5 >> 21; $s6 += $carry5; $s5 -= $carry5 << 21; $carry6 = $s6 >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; $carry7 = $s7 >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; $carry8 = $s8 >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; $carry9 = $s9 >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; $carry10 = $s10 >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; /** * @var array<int, int> */ $arr = array( (int) (0xff & ($s0 >> 0)), (int) (0xff & ($s0 >> 8)), (int) (0xff & (($s0 >> 16) | $s1 << 5)), (int) (0xff & ($s1 >> 3)), (int) (0xff & ($s1 >> 11)), (int) (0xff & (($s1 >> 19) | $s2 << 2)), (int) (0xff & ($s2 >> 6)), (int) (0xff & (($s2 >> 14) | $s3 << 7)), (int) (0xff & ($s3 >> 1)), (int) (0xff & ($s3 >> 9)), (int) (0xff & (($s3 >> 17) | $s4 << 4)), (int) (0xff & ($s4 >> 4)), (int) (0xff & ($s4 >> 12)), (int) (0xff & (($s4 >> 20) | $s5 << 1)), (int) (0xff & ($s5 >> 7)), (int) (0xff & (($s5 >> 15) | $s6 << 6)), (int) (0xff & ($s6 >> 2)), (int) (0xff & ($s6 >> 10)), (int) (0xff & (($s6 >> 18) | $s7 << 3)), (int) (0xff & ($s7 >> 5)), (int) (0xff & ($s7 >> 13)), (int) (0xff & ($s8 >> 0)), (int) (0xff & ($s8 >> 8)), (int) (0xff & (($s8 >> 16) | $s9 << 5)), (int) (0xff & ($s9 >> 3)), (int) (0xff & ($s9 >> 11)), (int) (0xff & (($s9 >> 19) | $s10 << 2)), (int) (0xff & ($s10 >> 6)), (int) (0xff & (($s10 >> 14) | $s11 << 7)), (int) (0xff & ($s11 >> 1)), (int) (0xff & ($s11 >> 9)), 0xff & ($s11 >> 17) ); return self::intArrayToString($arr); } /** * @internal You should not use this directly from another application * * @param string $s * @return string * @throws TypeError */ public static function sc_reduce($s) { $s0 = 2097151 & self::load_3(self::substr($s, 0, 3)); $s1 = 2097151 & (self::load_4(self::substr($s, 2, 4)) >> 5); $s2 = 2097151 & (self::load_3(self::substr($s, 5, 3)) >> 2); $s3 = 2097151 & (self::load_4(self::substr($s, 7, 4)) >> 7); $s4 = 2097151 & (self::load_4(self::substr($s, 10, 4)) >> 4); $s5 = 2097151 & (self::load_3(self::substr($s, 13, 3)) >> 1); $s6 = 2097151 & (self::load_4(self::substr($s, 15, 4)) >> 6); $s7 = 2097151 & (self::load_3(self::substr($s, 18, 4)) >> 3); $s8 = 2097151 & self::load_3(self::substr($s, 21, 3)); $s9 = 2097151 & (self::load_4(self::substr($s, 23, 4)) >> 5); $s10 = 2097151 & (self::load_3(self::substr($s, 26, 3)) >> 2); $s11 = 2097151 & (self::load_4(self::substr($s, 28, 4)) >> 7); $s12 = 2097151 & (self::load_4(self::substr($s, 31, 4)) >> 4); $s13 = 2097151 & (self::load_3(self::substr($s, 34, 3)) >> 1); $s14 = 2097151 & (self::load_4(self::substr($s, 36, 4)) >> 6); $s15 = 2097151 & (self::load_3(self::substr($s, 39, 4)) >> 3); $s16 = 2097151 & self::load_3(self::substr($s, 42, 3)); $s17 = 2097151 & (self::load_4(self::substr($s, 44, 4)) >> 5); $s18 = 2097151 & (self::load_3(self::substr($s, 47, 3)) >> 2); $s19 = 2097151 & (self::load_4(self::substr($s, 49, 4)) >> 7); $s20 = 2097151 & (self::load_4(self::substr($s, 52, 4)) >> 4); $s21 = 2097151 & (self::load_3(self::substr($s, 55, 3)) >> 1); $s22 = 2097151 & (self::load_4(self::substr($s, 57, 4)) >> 6); $s23 = 0x1fffffff & (self::load_4(self::substr($s, 60, 4)) >> 3); $s11 += self::mul($s23, 666643, 20); $s12 += self::mul($s23, 470296, 19); $s13 += self::mul($s23, 654183, 20); $s14 -= self::mul($s23, 997805, 20); $s15 += self::mul($s23, 136657, 18); $s16 -= self::mul($s23, 683901, 20); $s10 += self::mul($s22, 666643, 20); $s11 += self::mul($s22, 470296, 19); $s12 += self::mul($s22, 654183, 20); $s13 -= self::mul($s22, 997805, 20); $s14 += self::mul($s22, 136657, 18); $s15 -= self::mul($s22, 683901, 20); $s9 += self::mul($s21, 666643, 20); $s10 += self::mul($s21, 470296, 19); $s11 += self::mul($s21, 654183, 20); $s12 -= self::mul($s21, 997805, 20); $s13 += self::mul($s21, 136657, 18); $s14 -= self::mul($s21, 683901, 20); $s8 += self::mul($s20, 666643, 20); $s9 += self::mul($s20, 470296, 19); $s10 += self::mul($s20, 654183, 20); $s11 -= self::mul($s20, 997805, 20); $s12 += self::mul($s20, 136657, 18); $s13 -= self::mul($s20, 683901, 20); $s7 += self::mul($s19, 666643, 20); $s8 += self::mul($s19, 470296, 19); $s9 += self::mul($s19, 654183, 20); $s10 -= self::mul($s19, 997805, 20); $s11 += self::mul($s19, 136657, 18); $s12 -= self::mul($s19, 683901, 20); $s6 += self::mul($s18, 666643, 20); $s7 += self::mul($s18, 470296, 19); $s8 += self::mul($s18, 654183, 20); $s9 -= self::mul($s18, 997805, 20); $s10 += self::mul($s18, 136657, 18); $s11 -= self::mul($s18, 683901, 20); $carry6 = ($s6 + (1 << 20)) >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; $carry8 = ($s8 + (1 << 20)) >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; $carry10 = ($s10 + (1 << 20)) >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; $carry12 = ($s12 + (1 << 20)) >> 21; $s13 += $carry12; $s12 -= $carry12 << 21; $carry14 = ($s14 + (1 << 20)) >> 21; $s15 += $carry14; $s14 -= $carry14 << 21; $carry16 = ($s16 + (1 << 20)) >> 21; $s17 += $carry16; $s16 -= $carry16 << 21; $carry7 = ($s7 + (1 << 20)) >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; $carry9 = ($s9 + (1 << 20)) >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; $carry11 = ($s11 + (1 << 20)) >> 21; $s12 += $carry11; $s11 -= $carry11 << 21; $carry13 = ($s13 + (1 << 20)) >> 21; $s14 += $carry13; $s13 -= $carry13 << 21; $carry15 = ($s15 + (1 << 20)) >> 21; $s16 += $carry15; $s15 -= $carry15 << 21; $s5 += self::mul($s17, 666643, 20); $s6 += self::mul($s17, 470296, 19); $s7 += self::mul($s17, 654183, 20); $s8 -= self::mul($s17, 997805, 20); $s9 += self::mul($s17, 136657, 18); $s10 -= self::mul($s17, 683901, 20); $s4 += self::mul($s16, 666643, 20); $s5 += self::mul($s16, 470296, 19); $s6 += self::mul($s16, 654183, 20); $s7 -= self::mul($s16, 997805, 20); $s8 += self::mul($s16, 136657, 18); $s9 -= self::mul($s16, 683901, 20); $s3 += self::mul($s15, 666643, 20); $s4 += self::mul($s15, 470296, 19); $s5 += self::mul($s15, 654183, 20); $s6 -= self::mul($s15, 997805, 20); $s7 += self::mul($s15, 136657, 18); $s8 -= self::mul($s15, 683901, 20); $s2 += self::mul($s14, 666643, 20); $s3 += self::mul($s14, 470296, 19); $s4 += self::mul($s14, 654183, 20); $s5 -= self::mul($s14, 997805, 20); $s6 += self::mul($s14, 136657, 18); $s7 -= self::mul($s14, 683901, 20); $s1 += self::mul($s13, 666643, 20); $s2 += self::mul($s13, 470296, 19); $s3 += self::mul($s13, 654183, 20); $s4 -= self::mul($s13, 997805, 20); $s5 += self::mul($s13, 136657, 18); $s6 -= self::mul($s13, 683901, 20); $s0 += self::mul($s12, 666643, 20); $s1 += self::mul($s12, 470296, 19); $s2 += self::mul($s12, 654183, 20); $s3 -= self::mul($s12, 997805, 20); $s4 += self::mul($s12, 136657, 18); $s5 -= self::mul($s12, 683901, 20); $s12 = 0; $carry0 = ($s0 + (1 << 20)) >> 21; $s1 += $carry0; $s0 -= $carry0 << 21; $carry2 = ($s2 + (1 << 20)) >> 21; $s3 += $carry2; $s2 -= $carry2 << 21; $carry4 = ($s4 + (1 << 20)) >> 21; $s5 += $carry4; $s4 -= $carry4 << 21; $carry6 = ($s6 + (1 << 20)) >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; $carry8 = ($s8 + (1 << 20)) >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; $carry10 = ($s10 + (1 << 20)) >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; $carry1 = ($s1 + (1 << 20)) >> 21; $s2 += $carry1; $s1 -= $carry1 << 21; $carry3 = ($s3 + (1 << 20)) >> 21; $s4 += $carry3; $s3 -= $carry3 << 21; $carry5 = ($s5 + (1 << 20)) >> 21; $s6 += $carry5; $s5 -= $carry5 << 21; $carry7 = ($s7 + (1 << 20)) >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; $carry9 = ($s9 + (1 << 20)) >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; $carry11 = ($s11 + (1 << 20)) >> 21; $s12 += $carry11; $s11 -= $carry11 << 21; $s0 += self::mul($s12, 666643, 20); $s1 += self::mul($s12, 470296, 19); $s2 += self::mul($s12, 654183, 20); $s3 -= self::mul($s12, 997805, 20); $s4 += self::mul($s12, 136657, 18); $s5 -= self::mul($s12, 683901, 20); $s12 = 0; $carry0 = $s0 >> 21; $s1 += $carry0; $s0 -= $carry0 << 21; $carry1 = $s1 >> 21; $s2 += $carry1; $s1 -= $carry1 << 21; $carry2 = $s2 >> 21; $s3 += $carry2; $s2 -= $carry2 << 21; $carry3 = $s3 >> 21; $s4 += $carry3; $s3 -= $carry3 << 21; $carry4 = $s4 >> 21; $s5 += $carry4; $s4 -= $carry4 << 21; $carry5 = $s5 >> 21; $s6 += $carry5; $s5 -= $carry5 << 21; $carry6 = $s6 >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; $carry7 = $s7 >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; $carry8 = $s8 >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; $carry9 = $s9 >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; $carry10 = $s10 >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; $carry11 = $s11 >> 21; $s12 += $carry11; $s11 -= $carry11 << 21; $s0 += self::mul($s12, 666643, 20); $s1 += self::mul($s12, 470296, 19); $s2 += self::mul($s12, 654183, 20); $s3 -= self::mul($s12, 997805, 20); $s4 += self::mul($s12, 136657, 18); $s5 -= self::mul($s12, 683901, 20); $carry0 = $s0 >> 21; $s1 += $carry0; $s0 -= $carry0 << 21; $carry1 = $s1 >> 21; $s2 += $carry1; $s1 -= $carry1 << 21; $carry2 = $s2 >> 21; $s3 += $carry2; $s2 -= $carry2 << 21; $carry3 = $s3 >> 21; $s4 += $carry3; $s3 -= $carry3 << 21; $carry4 = $s4 >> 21; $s5 += $carry4; $s4 -= $carry4 << 21; $carry5 = $s5 >> 21; $s6 += $carry5; $s5 -= $carry5 << 21; $carry6 = $s6 >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; $carry7 = $s7 >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; $carry8 = $s8 >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; $carry9 = $s9 >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; $carry10 = $s10 >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; /** * @var array<int, int> */ $arr = array( (int) ($s0 >> 0), (int) ($s0 >> 8), (int) (($s0 >> 16) | $s1 << 5), (int) ($s1 >> 3), (int) ($s1 >> 11), (int) (($s1 >> 19) | $s2 << 2), (int) ($s2 >> 6), (int) (($s2 >> 14) | $s3 << 7), (int) ($s3 >> 1), (int) ($s3 >> 9), (int) (($s3 >> 17) | $s4 << 4), (int) ($s4 >> 4), (int) ($s4 >> 12), (int) (($s4 >> 20) | $s5 << 1), (int) ($s5 >> 7), (int) (($s5 >> 15) | $s6 << 6), (int) ($s6 >> 2), (int) ($s6 >> 10), (int) (($s6 >> 18) | $s7 << 3), (int) ($s7 >> 5), (int) ($s7 >> 13), (int) ($s8 >> 0), (int) ($s8 >> 8), (int) (($s8 >> 16) | $s9 << 5), (int) ($s9 >> 3), (int) ($s9 >> 11), (int) (($s9 >> 19) | $s10 << 2), (int) ($s10 >> 6), (int) (($s10 >> 14) | $s11 << 7), (int) ($s11 >> 1), (int) ($s11 >> 9), (int) $s11 >> 17 ); return self::intArrayToString($arr); } /** * multiply by the order of the main subgroup l = 2^252+27742317777372353535851937790883648493 * * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 */ public static function ge_mul_l(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A) { $aslide = array( 13, 0, 0, 0, 0, -1, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, -5, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, -13, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, -13, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, -13, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 3, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 7, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ); /** @var array<int, ParagonIE_Sodium_Core_Curve25519_Ge_Cached> $Ai size 8 */ $Ai = array(); # ge_p3_to_cached(&Ai[0], A); $Ai[0] = self::ge_p3_to_cached($A); # ge_p3_dbl(&t, A); $t = self::ge_p3_dbl($A); # ge_p1p1_to_p3(&A2, &t); $A2 = self::ge_p1p1_to_p3($t); for ($i = 1; $i < 8; ++$i) { # ge_add(&t, &A2, &Ai[0]); $t = self::ge_add($A2, $Ai[$i - 1]); # ge_p1p1_to_p3(&u, &t); $u = self::ge_p1p1_to_p3($t); # ge_p3_to_cached(&Ai[i], &u); $Ai[$i] = self::ge_p3_to_cached($u); } $r = self::ge_p3_0(); for ($i = 252; $i >= 0; --$i) { $t = self::ge_p3_dbl($r); if ($aslide[$i] > 0) { # ge_p1p1_to_p3(&u, &t); $u = self::ge_p1p1_to_p3($t); # ge_add(&t, &u, &Ai[aslide[i] / 2]); $t = self::ge_add($u, $Ai[(int)($aslide[$i] / 2)]); } elseif ($aslide[$i] < 0) { # ge_p1p1_to_p3(&u, &t); $u = self::ge_p1p1_to_p3($t); # ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); $t = self::ge_sub($u, $Ai[(int)(-$aslide[$i] / 2)]); } } # ge_p1p1_to_p3(r, &t); return self::ge_p1p1_to_p3($t); } /** * @param string $a * @param string $b * @return string */ public static function sc25519_mul($a, $b) { // int64_t a0 = 2097151 & load_3(a); // int64_t a1 = 2097151 & (load_4(a + 2) >> 5); // int64_t a2 = 2097151 & (load_3(a + 5) >> 2); // int64_t a3 = 2097151 & (load_4(a + 7) >> 7); // int64_t a4 = 2097151 & (load_4(a + 10) >> 4); // int64_t a5 = 2097151 & (load_3(a + 13) >> 1); // int64_t a6 = 2097151 & (load_4(a + 15) >> 6); // int64_t a7 = 2097151 & (load_3(a + 18) >> 3); // int64_t a8 = 2097151 & load_3(a + 21); // int64_t a9 = 2097151 & (load_4(a + 23) >> 5); // int64_t a10 = 2097151 & (load_3(a + 26) >> 2); // int64_t a11 = (load_4(a + 28) >> 7); $a0 = 2097151 & self::load_3(self::substr($a, 0, 3)); $a1 = 2097151 & (self::load_4(self::substr($a, 2, 4)) >> 5); $a2 = 2097151 & (self::load_3(self::substr($a, 5, 3)) >> 2); $a3 = 2097151 & (self::load_4(self::substr($a, 7, 4)) >> 7); $a4 = 2097151 & (self::load_4(self::substr($a, 10, 4)) >> 4); $a5 = 2097151 & (self::load_3(self::substr($a, 13, 3)) >> 1); $a6 = 2097151 & (self::load_4(self::substr($a, 15, 4)) >> 6); $a7 = 2097151 & (self::load_3(self::substr($a, 18, 3)) >> 3); $a8 = 2097151 & self::load_3(self::substr($a, 21, 3)); $a9 = 2097151 & (self::load_4(self::substr($a, 23, 4)) >> 5); $a10 = 2097151 & (self::load_3(self::substr($a, 26, 3)) >> 2); $a11 = (self::load_4(self::substr($a, 28, 4)) >> 7); // int64_t b0 = 2097151 & load_3(b); // int64_t b1 = 2097151 & (load_4(b + 2) >> 5); // int64_t b2 = 2097151 & (load_3(b + 5) >> 2); // int64_t b3 = 2097151 & (load_4(b + 7) >> 7); // int64_t b4 = 2097151 & (load_4(b + 10) >> 4); // int64_t b5 = 2097151 & (load_3(b + 13) >> 1); // int64_t b6 = 2097151 & (load_4(b + 15) >> 6); // int64_t b7 = 2097151 & (load_3(b + 18) >> 3); // int64_t b8 = 2097151 & load_3(b + 21); // int64_t b9 = 2097151 & (load_4(b + 23) >> 5); // int64_t b10 = 2097151 & (load_3(b + 26) >> 2); // int64_t b11 = (load_4(b + 28) >> 7); $b0 = 2097151 & self::load_3(self::substr($b, 0, 3)); $b1 = 2097151 & (self::load_4(self::substr($b, 2, 4)) >> 5); $b2 = 2097151 & (self::load_3(self::substr($b, 5, 3)) >> 2); $b3 = 2097151 & (self::load_4(self::substr($b, 7, 4)) >> 7); $b4 = 2097151 & (self::load_4(self::substr($b, 10, 4)) >> 4); $b5 = 2097151 & (self::load_3(self::substr($b, 13, 3)) >> 1); $b6 = 2097151 & (self::load_4(self::substr($b, 15, 4)) >> 6); $b7 = 2097151 & (self::load_3(self::substr($b, 18, 3)) >> 3); $b8 = 2097151 & self::load_3(self::substr($b, 21, 3)); $b9 = 2097151 & (self::load_4(self::substr($b, 23, 4)) >> 5); $b10 = 2097151 & (self::load_3(self::substr($b, 26, 3)) >> 2); $b11 = (self::load_4(self::substr($b, 28, 4)) >> 7); // s0 = a0 * b0; // s1 = a0 * b1 + a1 * b0; // s2 = a0 * b2 + a1 * b1 + a2 * b0; // s3 = a0 * b3 + a1 * b2 + a2 * b1 + a3 * b0; // s4 = a0 * b4 + a1 * b3 + a2 * b2 + a3 * b1 + a4 * b0; // s5 = a0 * b5 + a1 * b4 + a2 * b3 + a3 * b2 + a4 * b1 + a5 * b0; // s6 = a0 * b6 + a1 * b5 + a2 * b4 + a3 * b3 + a4 * b2 + a5 * b1 + a6 * b0; // s7 = a0 * b7 + a1 * b6 + a2 * b5 + a3 * b4 + a4 * b3 + a5 * b2 + // a6 * b1 + a7 * b0; // s8 = a0 * b8 + a1 * b7 + a2 * b6 + a3 * b5 + a4 * b4 + a5 * b3 + // a6 * b2 + a7 * b1 + a8 * b0; // s9 = a0 * b9 + a1 * b8 + a2 * b7 + a3 * b6 + a4 * b5 + a5 * b4 + // a6 * b3 + a7 * b2 + a8 * b1 + a9 * b0; // s10 = a0 * b10 + a1 * b9 + a2 * b8 + a3 * b7 + a4 * b6 + a5 * b5 + // a6 * b4 + a7 * b3 + a8 * b2 + a9 * b1 + a10 * b0; // s11 = a0 * b11 + a1 * b10 + a2 * b9 + a3 * b8 + a4 * b7 + a5 * b6 + // a6 * b5 + a7 * b4 + a8 * b3 + a9 * b2 + a10 * b1 + a11 * b0; // s12 = a1 * b11 + a2 * b10 + a3 * b9 + a4 * b8 + a5 * b7 + a6 * b6 + // a7 * b5 + a8 * b4 + a9 * b3 + a10 * b2 + a11 * b1; // s13 = a2 * b11 + a3 * b10 + a4 * b9 + a5 * b8 + a6 * b7 + a7 * b6 + // a8 * b5 + a9 * b4 + a10 * b3 + a11 * b2; // s14 = a3 * b11 + a4 * b10 + a5 * b9 + a6 * b8 + a7 * b7 + a8 * b6 + // a9 * b5 + a10 * b4 + a11 * b3; // s15 = a4 * b11 + a5 * b10 + a6 * b9 + a7 * b8 + a8 * b7 + a9 * b6 + // a10 * b5 + a11 * b4; // s16 = // a5 * b11 + a6 * b10 + a7 * b9 + a8 * b8 + a9 * b7 + a10 * b6 + a11 * b5; // s17 = a6 * b11 + a7 * b10 + a8 * b9 + a9 * b8 + a10 * b7 + a11 * b6; // s18 = a7 * b11 + a8 * b10 + a9 * b9 + a10 * b8 + a11 * b7; // s19 = a8 * b11 + a9 * b10 + a10 * b9 + a11 * b8; // s20 = a9 * b11 + a10 * b10 + a11 * b9; // s21 = a10 * b11 + a11 * b10; // s22 = a11 * b11; // s23 = 0; $s0 = self::mul($a0, $b0, 22); $s1 = self::mul($a0, $b1, 22) + self::mul($a1, $b0, 22); $s2 = self::mul($a0, $b2, 22) + self::mul($a1, $b1, 22) + self::mul($a2, $b0, 22); $s3 = self::mul($a0, $b3, 22) + self::mul($a1, $b2, 22) + self::mul($a2, $b1, 22) + self::mul($a3, $b0, 22); $s4 = self::mul($a0, $b4, 22) + self::mul($a1, $b3, 22) + self::mul($a2, $b2, 22) + self::mul($a3, $b1, 22) + self::mul($a4, $b0, 22); $s5 = self::mul($a0, $b5, 22) + self::mul($a1, $b4, 22) + self::mul($a2, $b3, 22) + self::mul($a3, $b2, 22) + self::mul($a4, $b1, 22) + self::mul($a5, $b0, 22); $s6 = self::mul($a0, $b6, 22) + self::mul($a1, $b5, 22) + self::mul($a2, $b4, 22) + self::mul($a3, $b3, 22) + self::mul($a4, $b2, 22) + self::mul($a5, $b1, 22) + self::mul($a6, $b0, 22); $s7 = self::mul($a0, $b7, 22) + self::mul($a1, $b6, 22) + self::mul($a2, $b5, 22) + self::mul($a3, $b4, 22) + self::mul($a4, $b3, 22) + self::mul($a5, $b2, 22) + self::mul($a6, $b1, 22) + self::mul($a7, $b0, 22); $s8 = self::mul($a0, $b8, 22) + self::mul($a1, $b7, 22) + self::mul($a2, $b6, 22) + self::mul($a3, $b5, 22) + self::mul($a4, $b4, 22) + self::mul($a5, $b3, 22) + self::mul($a6, $b2, 22) + self::mul($a7, $b1, 22) + self::mul($a8, $b0, 22); $s9 = self::mul($a0, $b9, 22) + self::mul($a1, $b8, 22) + self::mul($a2, $b7, 22) + self::mul($a3, $b6, 22) + self::mul($a4, $b5, 22) + self::mul($a5, $b4, 22) + self::mul($a6, $b3, 22) + self::mul($a7, $b2, 22) + self::mul($a8, $b1, 22) + self::mul($a9, $b0, 22); $s10 = self::mul($a0, $b10, 22) + self::mul($a1, $b9, 22) + self::mul($a2, $b8, 22) + self::mul($a3, $b7, 22) + self::mul($a4, $b6, 22) + self::mul($a5, $b5, 22) + self::mul($a6, $b4, 22) + self::mul($a7, $b3, 22) + self::mul($a8, $b2, 22) + self::mul($a9, $b1, 22) + self::mul($a10, $b0, 22); $s11 = self::mul($a0, $b11, 22) + self::mul($a1, $b10, 22) + self::mul($a2, $b9, 22) + self::mul($a3, $b8, 22) + self::mul($a4, $b7, 22) + self::mul($a5, $b6, 22) + self::mul($a6, $b5, 22) + self::mul($a7, $b4, 22) + self::mul($a8, $b3, 22) + self::mul($a9, $b2, 22) + self::mul($a10, $b1, 22) + self::mul($a11, $b0, 22); $s12 = self::mul($a1, $b11, 22) + self::mul($a2, $b10, 22) + self::mul($a3, $b9, 22) + self::mul($a4, $b8, 22) + self::mul($a5, $b7, 22) + self::mul($a6, $b6, 22) + self::mul($a7, $b5, 22) + self::mul($a8, $b4, 22) + self::mul($a9, $b3, 22) + self::mul($a10, $b2, 22) + self::mul($a11, $b1, 22); $s13 = self::mul($a2, $b11, 22) + self::mul($a3, $b10, 22) + self::mul($a4, $b9, 22) + self::mul($a5, $b8, 22) + self::mul($a6, $b7, 22) + self::mul($a7, $b6, 22) + self::mul($a8, $b5, 22) + self::mul($a9, $b4, 22) + self::mul($a10, $b3, 22) + self::mul($a11, $b2, 22); $s14 = self::mul($a3, $b11, 22) + self::mul($a4, $b10, 22) + self::mul($a5, $b9, 22) + self::mul($a6, $b8, 22) + self::mul($a7, $b7, 22) + self::mul($a8, $b6, 22) + self::mul($a9, $b5, 22) + self::mul($a10, $b4, 22) + self::mul($a11, $b3, 22); $s15 = self::mul($a4, $b11, 22) + self::mul($a5, $b10, 22) + self::mul($a6, $b9, 22) + self::mul($a7, $b8, 22) + self::mul($a8, $b7, 22) + self::mul($a9, $b6, 22) + self::mul($a10, $b5, 22) + self::mul($a11, $b4, 22); $s16 = self::mul($a5, $b11, 22) + self::mul($a6, $b10, 22) + self::mul($a7, $b9, 22) + self::mul($a8, $b8, 22) + self::mul($a9, $b7, 22) + self::mul($a10, $b6, 22) + self::mul($a11, $b5, 22); $s17 = self::mul($a6, $b11, 22) + self::mul($a7, $b10, 22) + self::mul($a8, $b9, 22) + self::mul($a9, $b8, 22) + self::mul($a10, $b7, 22) + self::mul($a11, $b6, 22); $s18 = self::mul($a7, $b11, 22) + self::mul($a8, $b10, 22) + self::mul($a9, $b9, 22) + self::mul($a10, $b8, 22) + self::mul($a11, $b7, 22); $s19 = self::mul($a8, $b11, 22) + self::mul($a9, $b10, 22) + self::mul($a10, $b9, 22) + self::mul($a11, $b8, 22); $s20 = self::mul($a9, $b11, 22) + self::mul($a10, $b10, 22) + self::mul($a11, $b9, 22); $s21 = self::mul($a10, $b11, 22) + self::mul($a11, $b10, 22); $s22 = self::mul($a11, $b11, 22); $s23 = 0; // carry0 = (s0 + (int64_t) (1L << 20)) >> 21; // s1 += carry0; // s0 -= carry0 * ((uint64_t) 1L << 21); $carry0 = ($s0 + (1 << 20)) >> 21; $s1 += $carry0; $s0 -= $carry0 << 21; // carry2 = (s2 + (int64_t) (1L << 20)) >> 21; // s3 += carry2; // s2 -= carry2 * ((uint64_t) 1L << 21); $carry2 = ($s2 + (1 << 20)) >> 21; $s3 += $carry2; $s2 -= $carry2 << 21; // carry4 = (s4 + (int64_t) (1L << 20)) >> 21; // s5 += carry4; // s4 -= carry4 * ((uint64_t) 1L << 21); $carry4 = ($s4 + (1 << 20)) >> 21; $s5 += $carry4; $s4 -= $carry4 << 21; // carry6 = (s6 + (int64_t) (1L << 20)) >> 21; // s7 += carry6; // s6 -= carry6 * ((uint64_t) 1L << 21); $carry6 = ($s6 + (1 << 20)) >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; // carry8 = (s8 + (int64_t) (1L << 20)) >> 21; // s9 += carry8; // s8 -= carry8 * ((uint64_t) 1L << 21); $carry8 = ($s8 + (1 << 20)) >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; // carry10 = (s10 + (int64_t) (1L << 20)) >> 21; // s11 += carry10; // s10 -= carry10 * ((uint64_t) 1L << 21); $carry10 = ($s10 + (1 << 20)) >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; // carry12 = (s12 + (int64_t) (1L << 20)) >> 21; // s13 += carry12; // s12 -= carry12 * ((uint64_t) 1L << 21); $carry12 = ($s12 + (1 << 20)) >> 21; $s13 += $carry12; $s12 -= $carry12 << 21; // carry14 = (s14 + (int64_t) (1L << 20)) >> 21; // s15 += carry14; // s14 -= carry14 * ((uint64_t) 1L << 21); $carry14 = ($s14 + (1 << 20)) >> 21; $s15 += $carry14; $s14 -= $carry14 << 21; // carry16 = (s16 + (int64_t) (1L << 20)) >> 21; // s17 += carry16; // s16 -= carry16 * ((uint64_t) 1L << 21); $carry16 = ($s16 + (1 << 20)) >> 21; $s17 += $carry16; $s16 -= $carry16 << 21; // carry18 = (s18 + (int64_t) (1L << 20)) >> 21; // s19 += carry18; // s18 -= carry18 * ((uint64_t) 1L << 21); $carry18 = ($s18 + (1 << 20)) >> 21; $s19 += $carry18; $s18 -= $carry18 << 21; // carry20 = (s20 + (int64_t) (1L << 20)) >> 21; // s21 += carry20; // s20 -= carry20 * ((uint64_t) 1L << 21); $carry20 = ($s20 + (1 << 20)) >> 21; $s21 += $carry20; $s20 -= $carry20 << 21; // carry22 = (s22 + (int64_t) (1L << 20)) >> 21; // s23 += carry22; // s22 -= carry22 * ((uint64_t) 1L << 21); $carry22 = ($s22 + (1 << 20)) >> 21; $s23 += $carry22; $s22 -= $carry22 << 21; // carry1 = (s1 + (int64_t) (1L << 20)) >> 21; // s2 += carry1; // s1 -= carry1 * ((uint64_t) 1L << 21); $carry1 = ($s1 + (1 << 20)) >> 21; $s2 += $carry1; $s1 -= $carry1 << 21; // carry3 = (s3 + (int64_t) (1L << 20)) >> 21; // s4 += carry3; // s3 -= carry3 * ((uint64_t) 1L << 21); $carry3 = ($s3 + (1 << 20)) >> 21; $s4 += $carry3; $s3 -= $carry3 << 21; // carry5 = (s5 + (int64_t) (1L << 20)) >> 21; // s6 += carry5; // s5 -= carry5 * ((uint64_t) 1L << 21); $carry5 = ($s5 + (1 << 20)) >> 21; $s6 += $carry5; $s5 -= $carry5 << 21; // carry7 = (s7 + (int64_t) (1L << 20)) >> 21; // s8 += carry7; // s7 -= carry7 * ((uint64_t) 1L << 21); $carry7 = ($s7 + (1 << 20)) >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; // carry9 = (s9 + (int64_t) (1L << 20)) >> 21; // s10 += carry9; // s9 -= carry9 * ((uint64_t) 1L << 21); $carry9 = ($s9 + (1 << 20)) >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; // carry11 = (s11 + (int64_t) (1L << 20)) >> 21; // s12 += carry11; // s11 -= carry11 * ((uint64_t) 1L << 21); $carry11 = ($s11 + (1 << 20)) >> 21; $s12 += $carry11; $s11 -= $carry11 << 21; // carry13 = (s13 + (int64_t) (1L << 20)) >> 21; // s14 += carry13; // s13 -= carry13 * ((uint64_t) 1L << 21); $carry13 = ($s13 + (1 << 20)) >> 21; $s14 += $carry13; $s13 -= $carry13 << 21; // carry15 = (s15 + (int64_t) (1L << 20)) >> 21; // s16 += carry15; // s15 -= carry15 * ((uint64_t) 1L << 21); $carry15 = ($s15 + (1 << 20)) >> 21; $s16 += $carry15; $s15 -= $carry15 << 21; // carry17 = (s17 + (int64_t) (1L << 20)) >> 21; // s18 += carry17; // s17 -= carry17 * ((uint64_t) 1L << 21); $carry17 = ($s17 + (1 << 20)) >> 21; $s18 += $carry17; $s17 -= $carry17 << 21; // carry19 = (s19 + (int64_t) (1L << 20)) >> 21; // s20 += carry19; // s19 -= carry19 * ((uint64_t) 1L << 21); $carry19 = ($s19 + (1 << 20)) >> 21; $s20 += $carry19; $s19 -= $carry19 << 21; // carry21 = (s21 + (int64_t) (1L << 20)) >> 21; // s22 += carry21; // s21 -= carry21 * ((uint64_t) 1L << 21); $carry21 = ($s21 + (1 << 20)) >> 21; $s22 += $carry21; $s21 -= $carry21 << 21; // s11 += s23 * 666643; // s12 += s23 * 470296; // s13 += s23 * 654183; // s14 -= s23 * 997805; // s15 += s23 * 136657; // s16 -= s23 * 683901; $s11 += self::mul($s23, 666643, 20); $s12 += self::mul($s23, 470296, 19); $s13 += self::mul($s23, 654183, 20); $s14 -= self::mul($s23, 997805, 20); $s15 += self::mul($s23, 136657, 18); $s16 -= self::mul($s23, 683901, 20); // s10 += s22 * 666643; // s11 += s22 * 470296; // s12 += s22 * 654183; // s13 -= s22 * 997805; // s14 += s22 * 136657; // s15 -= s22 * 683901; $s10 += self::mul($s22, 666643, 20); $s11 += self::mul($s22, 470296, 19); $s12 += self::mul($s22, 654183, 20); $s13 -= self::mul($s22, 997805, 20); $s14 += self::mul($s22, 136657, 18); $s15 -= self::mul($s22, 683901, 20); // s9 += s21 * 666643; // s10 += s21 * 470296; // s11 += s21 * 654183; // s12 -= s21 * 997805; // s13 += s21 * 136657; // s14 -= s21 * 683901; $s9 += self::mul($s21, 666643, 20); $s10 += self::mul($s21, 470296, 19); $s11 += self::mul($s21, 654183, 20); $s12 -= self::mul($s21, 997805, 20); $s13 += self::mul($s21, 136657, 18); $s14 -= self::mul($s21, 683901, 20); // s8 += s20 * 666643; // s9 += s20 * 470296; // s10 += s20 * 654183; // s11 -= s20 * 997805; // s12 += s20 * 136657; // s13 -= s20 * 683901; $s8 += self::mul($s20, 666643, 20); $s9 += self::mul($s20, 470296, 19); $s10 += self::mul($s20, 654183, 20); $s11 -= self::mul($s20, 997805, 20); $s12 += self::mul($s20, 136657, 18); $s13 -= self::mul($s20, 683901, 20); // s7 += s19 * 666643; // s8 += s19 * 470296; // s9 += s19 * 654183; // s10 -= s19 * 997805; // s11 += s19 * 136657; // s12 -= s19 * 683901; $s7 += self::mul($s19, 666643, 20); $s8 += self::mul($s19, 470296, 19); $s9 += self::mul($s19, 654183, 20); $s10 -= self::mul($s19, 997805, 20); $s11 += self::mul($s19, 136657, 18); $s12 -= self::mul($s19, 683901, 20); // s6 += s18 * 666643; // s7 += s18 * 470296; // s8 += s18 * 654183; // s9 -= s18 * 997805; // s10 += s18 * 136657; // s11 -= s18 * 683901; $s6 += self::mul($s18, 666643, 20); $s7 += self::mul($s18, 470296, 19); $s8 += self::mul($s18, 654183, 20); $s9 -= self::mul($s18, 997805, 20); $s10 += self::mul($s18, 136657, 18); $s11 -= self::mul($s18, 683901, 20); // carry6 = (s6 + (int64_t) (1L << 20)) >> 21; // s7 += carry6; // s6 -= carry6 * ((uint64_t) 1L << 21); $carry6 = ($s6 + (1 << 20)) >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; // carry8 = (s8 + (int64_t) (1L << 20)) >> 21; // s9 += carry8; // s8 -= carry8 * ((uint64_t) 1L << 21); $carry8 = ($s8 + (1 << 20)) >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; // carry10 = (s10 + (int64_t) (1L << 20)) >> 21; // s11 += carry10; // s10 -= carry10 * ((uint64_t) 1L << 21); $carry10 = ($s10 + (1 << 20)) >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; // carry12 = (s12 + (int64_t) (1L << 20)) >> 21; // s13 += carry12; // s12 -= carry12 * ((uint64_t) 1L << 21); $carry12 = ($s12 + (1 << 20)) >> 21; $s13 += $carry12; $s12 -= $carry12 << 21; // carry14 = (s14 + (int64_t) (1L << 20)) >> 21; // s15 += carry14; // s14 -= carry14 * ((uint64_t) 1L << 21); $carry14 = ($s14 + (1 << 20)) >> 21; $s15 += $carry14; $s14 -= $carry14 << 21; // carry16 = (s16 + (int64_t) (1L << 20)) >> 21; // s17 += carry16; // s16 -= carry16 * ((uint64_t) 1L << 21); $carry16 = ($s16 + (1 << 20)) >> 21; $s17 += $carry16; $s16 -= $carry16 << 21; // carry7 = (s7 + (int64_t) (1L << 20)) >> 21; // s8 += carry7; // s7 -= carry7 * ((uint64_t) 1L << 21); $carry7 = ($s7 + (1 << 20)) >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; // carry9 = (s9 + (int64_t) (1L << 20)) >> 21; // s10 += carry9; // s9 -= carry9 * ((uint64_t) 1L << 21); $carry9 = ($s9 + (1 << 20)) >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; // carry11 = (s11 + (int64_t) (1L << 20)) >> 21; // s12 += carry11; // s11 -= carry11 * ((uint64_t) 1L << 21); $carry11 = ($s11 + (1 << 20)) >> 21; $s12 += $carry11; $s11 -= $carry11 << 21; // carry13 = (s13 + (int64_t) (1L << 20)) >> 21; // s14 += carry13; // s13 -= carry13 * ((uint64_t) 1L << 21); $carry13 = ($s13 + (1 << 20)) >> 21; $s14 += $carry13; $s13 -= $carry13 << 21; // carry15 = (s15 + (int64_t) (1L << 20)) >> 21; // s16 += carry15; // s15 -= carry15 * ((uint64_t) 1L << 21); $carry15 = ($s15 + (1 << 20)) >> 21; $s16 += $carry15; $s15 -= $carry15 << 21; // s5 += s17 * 666643; // s6 += s17 * 470296; // s7 += s17 * 654183; // s8 -= s17 * 997805; // s9 += s17 * 136657; // s10 -= s17 * 683901; $s5 += self::mul($s17, 666643, 20); $s6 += self::mul($s17, 470296, 19); $s7 += self::mul($s17, 654183, 20); $s8 -= self::mul($s17, 997805, 20); $s9 += self::mul($s17, 136657, 18); $s10 -= self::mul($s17, 683901, 20); // s4 += s16 * 666643; // s5 += s16 * 470296; // s6 += s16 * 654183; // s7 -= s16 * 997805; // s8 += s16 * 136657; // s9 -= s16 * 683901; $s4 += self::mul($s16, 666643, 20); $s5 += self::mul($s16, 470296, 19); $s6 += self::mul($s16, 654183, 20); $s7 -= self::mul($s16, 997805, 20); $s8 += self::mul($s16, 136657, 18); $s9 -= self::mul($s16, 683901, 20); // s3 += s15 * 666643; // s4 += s15 * 470296; // s5 += s15 * 654183; // s6 -= s15 * 997805; // s7 += s15 * 136657; // s8 -= s15 * 683901; $s3 += self::mul($s15, 666643, 20); $s4 += self::mul($s15, 470296, 19); $s5 += self::mul($s15, 654183, 20); $s6 -= self::mul($s15, 997805, 20); $s7 += self::mul($s15, 136657, 18); $s8 -= self::mul($s15, 683901, 20); // s2 += s14 * 666643; // s3 += s14 * 470296; // s4 += s14 * 654183; // s5 -= s14 * 997805; // s6 += s14 * 136657; // s7 -= s14 * 683901; $s2 += self::mul($s14, 666643, 20); $s3 += self::mul($s14, 470296, 19); $s4 += self::mul($s14, 654183, 20); $s5 -= self::mul($s14, 997805, 20); $s6 += self::mul($s14, 136657, 18); $s7 -= self::mul($s14, 683901, 20); // s1 += s13 * 666643; // s2 += s13 * 470296; // s3 += s13 * 654183; // s4 -= s13 * 997805; // s5 += s13 * 136657; // s6 -= s13 * 683901; $s1 += self::mul($s13, 666643, 20); $s2 += self::mul($s13, 470296, 19); $s3 += self::mul($s13, 654183, 20); $s4 -= self::mul($s13, 997805, 20); $s5 += self::mul($s13, 136657, 18); $s6 -= self::mul($s13, 683901, 20); // s0 += s12 * 666643; // s1 += s12 * 470296; // s2 += s12 * 654183; // s3 -= s12 * 997805; // s4 += s12 * 136657; // s5 -= s12 * 683901; // s12 = 0; $s0 += self::mul($s12, 666643, 20); $s1 += self::mul($s12, 470296, 19); $s2 += self::mul($s12, 654183, 20); $s3 -= self::mul($s12, 997805, 20); $s4 += self::mul($s12, 136657, 18); $s5 -= self::mul($s12, 683901, 20); $s12 = 0; // carry0 = (s0 + (int64_t) (1L << 20)) >> 21; // s1 += carry0; // s0 -= carry0 * ((uint64_t) 1L << 21); $carry0 = ($s0 + (1 << 20)) >> 21; $s1 += $carry0; $s0 -= $carry0 << 21; // carry2 = (s2 + (int64_t) (1L << 20)) >> 21; // s3 += carry2; // s2 -= carry2 * ((uint64_t) 1L << 21); $carry2 = ($s2 + (1 << 20)) >> 21; $s3 += $carry2; $s2 -= $carry2 << 21; // carry4 = (s4 + (int64_t) (1L << 20)) >> 21; // s5 += carry4; // s4 -= carry4 * ((uint64_t) 1L << 21); $carry4 = ($s4 + (1 << 20)) >> 21; $s5 += $carry4; $s4 -= $carry4 << 21; // carry6 = (s6 + (int64_t) (1L << 20)) >> 21; // s7 += carry6; // s6 -= carry6 * ((uint64_t) 1L << 21); $carry6 = ($s6 + (1 << 20)) >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; // carry8 = (s8 + (int64_t) (1L << 20)) >> 21; // s9 += carry8; // s8 -= carry8 * ((uint64_t) 1L << 21); $carry8 = ($s8 + (1 << 20)) >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; // carry10 = (s10 + (int64_t) (1L << 20)) >> 21; // s11 += carry10; // s10 -= carry10 * ((uint64_t) 1L << 21); $carry10 = ($s10 + (1 << 20)) >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; // carry1 = (s1 + (int64_t) (1L << 20)) >> 21; // s2 += carry1; // s1 -= carry1 * ((uint64_t) 1L << 21); $carry1 = ($s1 + (1 << 20)) >> 21; $s2 += $carry1; $s1 -= $carry1 << 21; // carry3 = (s3 + (int64_t) (1L << 20)) >> 21; // s4 += carry3; // s3 -= carry3 * ((uint64_t) 1L << 21); $carry3 = ($s3 + (1 << 20)) >> 21; $s4 += $carry3; $s3 -= $carry3 << 21; // carry5 = (s5 + (int64_t) (1L << 20)) >> 21; // s6 += carry5; // s5 -= carry5 * ((uint64_t) 1L << 21); $carry5 = ($s5 + (1 << 20)) >> 21; $s6 += $carry5; $s5 -= $carry5 << 21; // carry7 = (s7 + (int64_t) (1L << 20)) >> 21; // s8 += carry7; // s7 -= carry7 * ((uint64_t) 1L << 21); $carry7 = ($s7 + (1 << 20)) >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; // carry9 = (s9 + (int64_t) (1L << 20)) >> 21; // s10 += carry9; // s9 -= carry9 * ((uint64_t) 1L << 21); $carry9 = ($s9 + (1 << 20)) >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; // carry11 = (s11 + (int64_t) (1L << 20)) >> 21; // s12 += carry11; // s11 -= carry11 * ((uint64_t) 1L << 21); $carry11 = ($s11 + (1 << 20)) >> 21; $s12 += $carry11; $s11 -= $carry11 << 21; // s0 += s12 * 666643; // s1 += s12 * 470296; // s2 += s12 * 654183; // s3 -= s12 * 997805; // s4 += s12 * 136657; // s5 -= s12 * 683901; // s12 = 0; $s0 += self::mul($s12, 666643, 20); $s1 += self::mul($s12, 470296, 19); $s2 += self::mul($s12, 654183, 20); $s3 -= self::mul($s12, 997805, 20); $s4 += self::mul($s12, 136657, 18); $s5 -= self::mul($s12, 683901, 20); $s12 = 0; // carry0 = s0 >> 21; // s1 += carry0; // s0 -= carry0 * ((uint64_t) 1L << 21); $carry0 = $s0 >> 21; $s1 += $carry0; $s0 -= $carry0 << 21; // carry1 = s1 >> 21; // s2 += carry1; // s1 -= carry1 * ((uint64_t) 1L << 21); $carry1 = $s1 >> 21; $s2 += $carry1; $s1 -= $carry1 << 21; // carry2 = s2 >> 21; // s3 += carry2; // s2 -= carry2 * ((uint64_t) 1L << 21); $carry2 = $s2 >> 21; $s3 += $carry2; $s2 -= $carry2 << 21; // carry3 = s3 >> 21; // s4 += carry3; // s3 -= carry3 * ((uint64_t) 1L << 21); $carry3 = $s3 >> 21; $s4 += $carry3; $s3 -= $carry3 << 21; // carry4 = s4 >> 21; // s5 += carry4; // s4 -= carry4 * ((uint64_t) 1L << 21); $carry4 = $s4 >> 21; $s5 += $carry4; $s4 -= $carry4 << 21; // carry5 = s5 >> 21; // s6 += carry5; // s5 -= carry5 * ((uint64_t) 1L << 21); $carry5 = $s5 >> 21; $s6 += $carry5; $s5 -= $carry5 << 21; // carry6 = s6 >> 21; // s7 += carry6; // s6 -= carry6 * ((uint64_t) 1L << 21); $carry6 = $s6 >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; // carry7 = s7 >> 21; // s8 += carry7; // s7 -= carry7 * ((uint64_t) 1L << 21); $carry7 = $s7 >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; // carry8 = s8 >> 21; // s9 += carry8; // s8 -= carry8 * ((uint64_t) 1L << 21); $carry8 = $s8 >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; // carry9 = s9 >> 21; // s10 += carry9; // s9 -= carry9 * ((uint64_t) 1L << 21); $carry9 = $s9 >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; // carry10 = s10 >> 21; // s11 += carry10; // s10 -= carry10 * ((uint64_t) 1L << 21); $carry10 = $s10 >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; // carry11 = s11 >> 21; // s12 += carry11; // s11 -= carry11 * ((uint64_t) 1L << 21); $carry11 = $s11 >> 21; $s12 += $carry11; $s11 -= $carry11 << 21; // s0 += s12 * 666643; // s1 += s12 * 470296; // s2 += s12 * 654183; // s3 -= s12 * 997805; // s4 += s12 * 136657; // s5 -= s12 * 683901; $s0 += self::mul($s12, 666643, 20); $s1 += self::mul($s12, 470296, 19); $s2 += self::mul($s12, 654183, 20); $s3 -= self::mul($s12, 997805, 20); $s4 += self::mul($s12, 136657, 18); $s5 -= self::mul($s12, 683901, 20); // carry0 = s0 >> 21; // s1 += carry0; // s0 -= carry0 * ((uint64_t) 1L << 21); $carry0 = $s0 >> 21; $s1 += $carry0; $s0 -= $carry0 << 21; // carry1 = s1 >> 21; // s2 += carry1; // s1 -= carry1 * ((uint64_t) 1L << 21); $carry1 = $s1 >> 21; $s2 += $carry1; $s1 -= $carry1 << 21; // carry2 = s2 >> 21; // s3 += carry2; // s2 -= carry2 * ((uint64_t) 1L << 21); $carry2 = $s2 >> 21; $s3 += $carry2; $s2 -= $carry2 << 21; // carry3 = s3 >> 21; // s4 += carry3; // s3 -= carry3 * ((uint64_t) 1L << 21); $carry3 = $s3 >> 21; $s4 += $carry3; $s3 -= $carry3 << 21; // carry4 = s4 >> 21; // s5 += carry4; // s4 -= carry4 * ((uint64_t) 1L << 21); $carry4 = $s4 >> 21; $s5 += $carry4; $s4 -= $carry4 << 21; // carry5 = s5 >> 21; // s6 += carry5; // s5 -= carry5 * ((uint64_t) 1L << 21); $carry5 = $s5 >> 21; $s6 += $carry5; $s5 -= $carry5 << 21; // carry6 = s6 >> 21; // s7 += carry6; // s6 -= carry6 * ((uint64_t) 1L << 21); $carry6 = $s6 >> 21; $s7 += $carry6; $s6 -= $carry6 << 21; // carry7 = s7 >> 21; // s8 += carry7; // s7 -= carry7 * ((uint64_t) 1L << 21); $carry7 = $s7 >> 21; $s8 += $carry7; $s7 -= $carry7 << 21; // carry8 = s8 >> 21; // s9 += carry8; // s8 -= carry8 * ((uint64_t) 1L << 21); $carry8 = $s8 >> 21; $s9 += $carry8; $s8 -= $carry8 << 21; // carry9 = s9 >> 21; // s10 += carry9; // s9 -= carry9 * ((uint64_t) 1L << 21); $carry9 = $s9 >> 21; $s10 += $carry9; $s9 -= $carry9 << 21; // carry10 = s10 >> 21; // s11 += carry10; // s10 -= carry10 * ((uint64_t) 1L << 21); $carry10 = $s10 >> 21; $s11 += $carry10; $s10 -= $carry10 << 21; $s = array_fill(0, 32, 0); // s[0] = s0 >> 0; $s[0] = $s0 >> 0; // s[1] = s0 >> 8; $s[1] = $s0 >> 8; // s[2] = (s0 >> 16) | (s1 * ((uint64_t) 1 << 5)); $s[2] = ($s0 >> 16) | ($s1 << 5); // s[3] = s1 >> 3; $s[3] = $s1 >> 3; // s[4] = s1 >> 11; $s[4] = $s1 >> 11; // s[5] = (s1 >> 19) | (s2 * ((uint64_t) 1 << 2)); $s[5] = ($s1 >> 19) | ($s2 << 2); // s[6] = s2 >> 6; $s[6] = $s2 >> 6; // s[7] = (s2 >> 14) | (s3 * ((uint64_t) 1 << 7)); $s[7] = ($s2 >> 14) | ($s3 << 7); // s[8] = s3 >> 1; $s[8] = $s3 >> 1; // s[9] = s3 >> 9; $s[9] = $s3 >> 9; // s[10] = (s3 >> 17) | (s4 * ((uint64_t) 1 << 4)); $s[10] = ($s3 >> 17) | ($s4 << 4); // s[11] = s4 >> 4; $s[11] = $s4 >> 4; // s[12] = s4 >> 12; $s[12] = $s4 >> 12; // s[13] = (s4 >> 20) | (s5 * ((uint64_t) 1 << 1)); $s[13] = ($s4 >> 20) | ($s5 << 1); // s[14] = s5 >> 7; $s[14] = $s5 >> 7; // s[15] = (s5 >> 15) | (s6 * ((uint64_t) 1 << 6)); $s[15] = ($s5 >> 15) | ($s6 << 6); // s[16] = s6 >> 2; $s[16] = $s6 >> 2; // s[17] = s6 >> 10; $s[17] = $s6 >> 10; // s[18] = (s6 >> 18) | (s7 * ((uint64_t) 1 << 3)); $s[18] = ($s6 >> 18) | ($s7 << 3); // s[19] = s7 >> 5; $s[19] = $s7 >> 5; // s[20] = s7 >> 13; $s[20] = $s7 >> 13; // s[21] = s8 >> 0; $s[21] = $s8 >> 0; // s[22] = s8 >> 8; $s[22] = $s8 >> 8; // s[23] = (s8 >> 16) | (s9 * ((uint64_t) 1 << 5)); $s[23] = ($s8 >> 16) | ($s9 << 5); // s[24] = s9 >> 3; $s[24] = $s9 >> 3; // s[25] = s9 >> 11; $s[25] = $s9 >> 11; // s[26] = (s9 >> 19) | (s10 * ((uint64_t) 1 << 2)); $s[26] = ($s9 >> 19) | ($s10 << 2); // s[27] = s10 >> 6; $s[27] = $s10 >> 6; // s[28] = (s10 >> 14) | (s11 * ((uint64_t) 1 << 7)); $s[28] = ($s10 >> 14) | ($s11 << 7); // s[29] = s11 >> 1; $s[29] = $s11 >> 1; // s[30] = s11 >> 9; $s[30] = $s11 >> 9; // s[31] = s11 >> 17; $s[31] = $s11 >> 17; return self::intArrayToString($s); } /** * @param string $s * @return string */ public static function sc25519_sq($s) { return self::sc25519_mul($s, $s); } /** * @param string $s * @param int $n * @param string $a * @return string */ public static function sc25519_sqmul($s, $n, $a) { for ($i = 0; $i < $n; ++$i) { $s = self::sc25519_sq($s); } return self::sc25519_mul($s, $a); } /** * @param string $s * @return string */ public static function sc25519_invert($s) { $_10 = self::sc25519_sq($s); $_11 = self::sc25519_mul($s, $_10); $_100 = self::sc25519_mul($s, $_11); $_1000 = self::sc25519_sq($_100); $_1010 = self::sc25519_mul($_10, $_1000); $_1011 = self::sc25519_mul($s, $_1010); $_10000 = self::sc25519_sq($_1000); $_10110 = self::sc25519_sq($_1011); $_100000 = self::sc25519_mul($_1010, $_10110); $_100110 = self::sc25519_mul($_10000, $_10110); $_1000000 = self::sc25519_sq($_100000); $_1010000 = self::sc25519_mul($_10000, $_1000000); $_1010011 = self::sc25519_mul($_11, $_1010000); $_1100011 = self::sc25519_mul($_10000, $_1010011); $_1100111 = self::sc25519_mul($_100, $_1100011); $_1101011 = self::sc25519_mul($_100, $_1100111); $_10010011 = self::sc25519_mul($_1000000, $_1010011); $_10010111 = self::sc25519_mul($_100, $_10010011); $_10111101 = self::sc25519_mul($_100110, $_10010111); $_11010011 = self::sc25519_mul($_10110, $_10111101); $_11100111 = self::sc25519_mul($_1010000, $_10010111); $_11101011 = self::sc25519_mul($_100, $_11100111); $_11110101 = self::sc25519_mul($_1010, $_11101011); $recip = self::sc25519_mul($_1011, $_11110101); $recip = self::sc25519_sqmul($recip, 126, $_1010011); $recip = self::sc25519_sqmul($recip, 9, $_10); $recip = self::sc25519_mul($recip, $_11110101); $recip = self::sc25519_sqmul($recip, 7, $_1100111); $recip = self::sc25519_sqmul($recip, 9, $_11110101); $recip = self::sc25519_sqmul($recip, 11, $_10111101); $recip = self::sc25519_sqmul($recip, 8, $_11100111); $recip = self::sc25519_sqmul($recip, 9, $_1101011); $recip = self::sc25519_sqmul($recip, 6, $_1011); $recip = self::sc25519_sqmul($recip, 14, $_10010011); $recip = self::sc25519_sqmul($recip, 10, $_1100011); $recip = self::sc25519_sqmul($recip, 9, $_10010111); $recip = self::sc25519_sqmul($recip, 10, $_11110101); $recip = self::sc25519_sqmul($recip, 8, $_11010011); return self::sc25519_sqmul($recip, 8, $_11101011); } /** * @param string $s * @return string */ public static function clamp($s) { $s_ = self::stringToIntArray($s); $s_[0] &= 248; $s_[31] |= 64; $s_[31] &= 128; return self::intArrayToString($s_); } /** * Ensure limbs are less than 28 bits long to prevent float promotion. * * This uses a constant-time conditional swap under the hood. * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function fe_normalize(ParagonIE_Sodium_Core_Curve25519_Fe $f) { $x = (PHP_INT_SIZE << 3) - 1; // 31 or 63 $g = self::fe_copy($f); for ($i = 0; $i < 10; ++$i) { $mask = -(($g[$i] >> $x) & 1); /* * Get two candidate normalized values for $g[$i], depending on the sign of $g[$i]: */ $a = $g[$i] & 0x7ffffff; $b = -((-$g[$i]) & 0x7ffffff); /* * Return the appropriate candidate value, based on the sign of the original input: * * The following is equivalent to this ternary: * * $g[$i] = (($g[$i] >> $x) & 1) ? $a : $b; * * Except what's written doesn't contain timing leaks. */ $g[$i] = ($a ^ (($a ^ $b) & $mask)); } return $g; } } Core/Curve25519/H.php 0000644 00000327571 14717743076 0010065 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Curve25519_H', false)) { return; } /** * Class ParagonIE_Sodium_Core_Curve25519_H * * This just contains the constants in the ref10/base.h file */ class ParagonIE_Sodium_Core_Curve25519_H extends ParagonIE_Sodium_Core_Util { /** * See: libsodium's crypto_core/curve25519/ref10/base.h * * @var array<int, array<int, array<int, array<int, int>>>> Basically, int[32][8][3][10] */ protected static $base = array( array( array( array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605), array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378), array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546), ), array( array(-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303), array(-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081), array(26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697), ), array( array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024), array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574), array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357), ), array( array(-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540), array(23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397), array(7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325), ), array( array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380), array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306), array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942), ), array( array(-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777), array(-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737), array(-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652), ), array( array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766), array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701), array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300), ), array( array(14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726), array(-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955), array(27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425), ), ), array( array( array(-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171), array(27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510), array(17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660), ), array( array(-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639), array(29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963), array(5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950), ), array( array(-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568), array(12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335), array(25556948, -3045990, 714651, 2510400, 23394682, -10415330, 33119038, 5080568, -22528059, 5376628), ), array( array(-26088264, -4011052, -17013699, -3537628, -6726793, 1920897, -22321305, -9447443, 4535768, 1569007), array(-2255422, 14606630, -21692440, 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-25946985, -13352459, 24051124, 13742383, -15637599, 13295222), array(33338237, -8505733, 12532113, 7977527, 9106186, -1715251, -17720195, -4612972, -4451357, -14669444), ), array( array(-20045281, 5454097, -14346548, 6447146, 28862071, 1883651, -2469266, -4141880, 7770569, 9620597), array(23208068, 7979712, 33071466, 8149229, 1758231, -10834995, 30945528, -1694323, -33502340, -14767970), array(1439958, -16270480, -1079989, -793782, 4625402, 10647766, -5043801, 1220118, 30494170, -11440799), ), array( array(-5037580, -13028295, -2970559, -3061767, 15640974, -6701666, -26739026, 926050, -1684339, -13333647), array(13908495, -3549272, 30919928, -6273825, -21521863, 7989039, 9021034, 9078865, 3353509, 4033511), array(-29663431, -15113610, 32259991, -344482, 24295849, -12912123, 23161163, 8839127, 27485041, 7356032), ), ), array( array( array(9661027, 705443, 11980065, -5370154, -1628543, 14661173, -6346142, 2625015, 28431036, -16771834), array(-23839233, -8311415, -25945511, 7480958, 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7710542, -14155590, -9981571, 4383045, 22546403, 437323), array(31665577, -12180464, -16186830, 1491339, -18368625, 3294682, 27343084, 2786261, -30633590, -14097016), ), array( array(-14467279, -683715, -33374107, 7448552, 19294360, 14334329, -19690631, 2355319, -19284671, -6114373), array(15121312, -15796162, 6377020, -6031361, -10798111, -12957845, 18952177, 15496498, -29380133, 11754228), array(-2637277, -13483075, 8488727, -14303896, 12728761, -1622493, 7141596, 11724556, 22761615, -10134141), ), array( array(16918416, 11729663, -18083579, 3022987, -31015732, -13339659, -28741185, -12227393, 32851222, 11717399), array(11166634, 7338049, -6722523, 4531520, -29468672, -7302055, 31474879, 3483633, -1193175, -4030831), array(-185635, 9921305, 31456609, -13536438, -12013818, 13348923, 33142652, 6546660, -19985279, -3948376), ), array( array(-32460596, 11266712, -11197107, -7899103, 31703694, 3855903, -8537131, -12833048, -30772034, -15486313), array(-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958), array(-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577), ), array( array(-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743), array(29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684), array(-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476), ), ) ); /** * See: libsodium's crypto_core/curve25519/ref10/base2.h * * @var array basically int[8][3] */ protected static $base2 = array( array( array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605), array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378), array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546), ), array( array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024), array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574), array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357), ), array( array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380), array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306), array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942), ), array( array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766), array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701), array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300), ), array( array(-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877), array(-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951), array(4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784), ), array( array(-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436), array(25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918), array(23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877), ), array( array(-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800), array(-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305), array(-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300), ), array( array(-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876), array(-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619), array(-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683), ) ); /** * 37095705934669439343138083508754565189542113879843219016388785533085940283555 * * @var array<int, int> */ protected static $d = array( -10913610, 13857413, -15372611, 6949391, 114729, -8787816, -6275908, -3247719, -18696448, -12055116 ); /** * 2 * d = 16295367250680780974490674513165176452449235426866156013048779062215315747161 * * @var array<int, int> */ protected static $d2 = array( -21827239, -5839606, -30745221, 13898782, 229458, 15978800, -12551817, -6495438, 29715968, 9444199 ); /** * sqrt(-1) * * @var array<int, int> */ protected static $sqrtm1 = array( -32595792, -7943725, 9377950, 3500415, 12389472, -272473, -25146209, -2005654, 326686, 11406482 ); /** * 1 / sqrt(a - d) * * @var array<int, int> */ protected static $invsqrtamd = array( 6111485, 4156064, -27798727, 12243468, -25904040, 120897, 20826367, -7060776, 6093568, -1986012 ); /** * sqrt(ad - 1) with a = -1 (mod p) * * @var array<int, int> */ protected static $sqrtadm1 = array( 24849947, -153582, -23613485, 6347715, -21072328, -667138, -25271143, -15367704, -870347, 14525639 ); /** * 1 - d ^ 2 * * @var array<int, int> */ protected static $onemsqd = array( 6275446, -16617371, -22938544, -3773710, 11667077, 7397348, -27922721, 1766195, -24433858, 672203 ); /** * (d - 1) ^ 2 * @var array<int, int> */ protected static $sqdmone = array( 15551795, -11097455, -13425098, -10125071, -11896535, 10178284, -26634327, 4729244, -5282110, -10116402 ); /* * 2^252+27742317777372353535851937790883648493 static const unsigned char L[] = { 0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10 }; */ const L = "\xed\xd3\xf5\x5c\x1a\x63\x12\x58\xd6\x9c\xf7\xa2\xde\xf9\xde\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10"; } Core/Curve25519/Ge/Precomp.php 0000604 00000003562 14717743076 0011621 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_Precomp', false)) { return; } /** * Class ParagonIE_Sodium_Core_Curve25519_Ge_Precomp */ class ParagonIE_Sodium_Core_Curve25519_Ge_Precomp { /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $yplusx; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $yminusx; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $xy2d; /** * ParagonIE_Sodium_Core_Curve25519_Ge_Precomp constructor. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $yplusx * @param ParagonIE_Sodium_Core_Curve25519_Fe $yminusx * @param ParagonIE_Sodium_Core_Curve25519_Fe $xy2d */ public function __construct( $yplusx = null, $yminusx = null, $xy2d = null ) { if ($yplusx === null) { $yplusx = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($yplusx instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 1 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->yplusx = $yplusx; if ($yminusx === null) { $yminusx = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($yminusx instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 2 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->yminusx = $yminusx; if ($xy2d === null) { $xy2d = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($xy2d instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 3 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->xy2d = $xy2d; } } Core/Curve25519/Ge/P3.php 0000604 00000004312 14717743076 0010470 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_P3', false)) { return; } /** * Class ParagonIE_Sodium_Core_Curve25519_Ge_P3 */ class ParagonIE_Sodium_Core_Curve25519_Ge_P3 { /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $X; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $Y; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $Z; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $T; /** * ParagonIE_Sodium_Core_Curve25519_Ge_P3 constructor. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $x * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $y * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $z * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $t */ public function __construct( $x = null, $y = null, $z = null, $t = null ) { if ($x === null) { $x = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($x instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 1 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->X = $x; if ($y === null) { $y = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($y instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 2 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->Y = $y; if ($z === null) { $z = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($z instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 3 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->Z = $z; if ($t === null) { $t = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($t instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 4 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->T = $t; } } Core/Curve25519/Ge/Cached.php 0000604 00000004502 14717743076 0011356 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_Cached', false)) { return; } /** * Class ParagonIE_Sodium_Core_Curve25519_Ge_Cached */ class ParagonIE_Sodium_Core_Curve25519_Ge_Cached { /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $YplusX; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $YminusX; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $Z; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $T2d; /** * ParagonIE_Sodium_Core_Curve25519_Ge_Cached constructor. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $YplusX * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $YminusX * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $Z * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $T2d */ public function __construct( $YplusX = null, $YminusX = null, $Z = null, $T2d = null ) { if ($YplusX === null) { $YplusX = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($YplusX instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 1 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->YplusX = $YplusX; if ($YminusX === null) { $YminusX = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($YminusX instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 2 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->YminusX = $YminusX; if ($Z === null) { $Z = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($Z instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 3 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->Z = $Z; if ($T2d === null) { $T2d = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($T2d instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 4 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->T2d = $T2d; } } Core/Curve25519/Ge/P1p1.php 0000604 00000004321 14717743076 0010727 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_P1p1', false)) { return; } /** * Class ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 */ class ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 { /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $X; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $Y; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $Z; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $T; /** * ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 constructor. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $x * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $y * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $z * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $t */ public function __construct( $x = null, $y = null, $z = null, $t = null ) { if ($x === null) { $x = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($x instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 1 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->X = $x; if ($y === null) { $y = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($y instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 2 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->Y = $y; if ($z === null) { $z = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($z instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 3 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->Z = $z; if ($t === null) { $t = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($t instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 4 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->T = $t; } } Core/Curve25519/Ge/P2.php 0000604 00000003375 14717743076 0010477 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_P2', false)) { return; } /** * Class ParagonIE_Sodium_Core_Curve25519_Ge_P2 */ class ParagonIE_Sodium_Core_Curve25519_Ge_P2 { /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $X; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $Y; /** * @var ParagonIE_Sodium_Core_Curve25519_Fe */ public $Z; /** * ParagonIE_Sodium_Core_Curve25519_Ge_P2 constructor. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $x * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $y * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $z */ public function __construct( $x = null, $y = null, $z = null ) { if ($x === null) { $x = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($x instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 1 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->X = $x; if ($y === null) { $y = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($y instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 2 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->Y = $y; if ($z === null) { $z = new ParagonIE_Sodium_Core_Curve25519_Fe(); } if (!($z instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) { throw new TypeError('Argument 3 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe'); } $this->Z = $z; } } Core/Curve25519/Fe.php 0000644 00000006021 14717743076 0010210 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Curve25519_Fe', false)) { return; } /** * Class ParagonIE_Sodium_Core_Curve25519_Fe * * This represents a Field Element */ class ParagonIE_Sodium_Core_Curve25519_Fe implements ArrayAccess { /** * @var array<int, int> */ protected $container = array(); /** * @var int */ protected $size = 10; /** * @internal You should not use this directly from another application * * @param array<int, int> $array * @param bool $save_indexes * @return self */ public static function fromArray($array, $save_indexes = null) { $count = count($array); if ($save_indexes) { $keys = array_keys($array); } else { $keys = range(0, $count - 1); } $array = array_values($array); /** @var array<int, int> $keys */ $obj = new ParagonIE_Sodium_Core_Curve25519_Fe(); if ($save_indexes) { for ($i = 0; $i < $count; ++$i) { $obj->offsetSet($keys[$i], $array[$i]); } } else { for ($i = 0; $i < $count; ++$i) { $obj->offsetSet($i, $array[$i]); } } return $obj; } /** * @internal You should not use this directly from another application * * @param int|null $offset * @param int $value * @return void * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetSet($offset, $value) { if (!is_int($value)) { throw new InvalidArgumentException('Expected an integer'); } if (is_null($offset)) { $this->container[] = $value; } else { $this->container[$offset] = $value; } } /** * @internal You should not use this directly from another application * * @param int $offset * @return bool * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetExists($offset) { return isset($this->container[$offset]); } /** * @internal You should not use this directly from another application * * @param int $offset * @return void * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetUnset($offset) { unset($this->container[$offset]); } /** * @internal You should not use this directly from another application * * @param int $offset * @return int * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetGet($offset) { if (!isset($this->container[$offset])) { $this->container[$offset] = 0; } return (int) ($this->container[$offset]); } /** * @internal You should not use this directly from another application * * @return array */ public function __debugInfo() { return array(implode(', ', $this->container)); } } Core/Curve25519/README.md 0000644 00000000332 14717743076 0010423 0 ustar 00 # Curve25519 Data Structures These are PHP implementation of the [structs used in the ref10 curve25519 code](https://github.com/jedisct1/libsodium/blob/master/src/libsodium/include/sodium/private/curve25519_ref10.h). Core/Ristretto255.php 0000644 00000052574 14717743076 0010435 0 ustar 00 <?php /** * Class ParagonIE_Sodium_Core_Ristretto255 */ class ParagonIE_Sodium_Core_Ristretto255 extends ParagonIE_Sodium_Core_Ed25519 { const crypto_core_ristretto255_HASHBYTES = 64; const HASH_SC_L = 48; const CORE_H2C_SHA256 = 1; const CORE_H2C_SHA512 = 2; /** * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @param int $b * @return ParagonIE_Sodium_Core_Curve25519_Fe */ public static function fe_cneg(ParagonIE_Sodium_Core_Curve25519_Fe $f, $b) { $negf = self::fe_neg($f); return self::fe_cmov($f, $negf, $b); } /** * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @return ParagonIE_Sodium_Core_Curve25519_Fe * @throws SodiumException */ public static function fe_abs(ParagonIE_Sodium_Core_Curve25519_Fe $f) { return self::fe_cneg($f, self::fe_isnegative($f)); } /** * Returns 0 if this field element results in all NUL bytes. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_Curve25519_Fe $f * @return int * @throws SodiumException */ public static function fe_iszero(ParagonIE_Sodium_Core_Curve25519_Fe $f) { static $zero; if ($zero === null) { $zero = str_repeat("\x00", 32); } /** @var string $zero */ $str = self::fe_tobytes($f); $d = 0; for ($i = 0; $i < 32; ++$i) { $d |= self::chrToInt($str[$i]); } return (($d - 1) >> 31) & 1; } /** * @param ParagonIE_Sodium_Core_Curve25519_Fe $u * @param ParagonIE_Sodium_Core_Curve25519_Fe $v * @return array{x: ParagonIE_Sodium_Core_Curve25519_Fe, nonsquare: int} * * @throws SodiumException */ public static function ristretto255_sqrt_ratio_m1( ParagonIE_Sodium_Core_Curve25519_Fe $u, ParagonIE_Sodium_Core_Curve25519_Fe $v ) { $sqrtm1 = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqrtm1); $v3 = self::fe_mul( self::fe_sq($v), $v ); /* v3 = v^3 */ $x = self::fe_mul( self::fe_mul( self::fe_sq($v3), $u ), $v ); /* x = uv^7 */ $x = self::fe_mul( self::fe_mul( self::fe_pow22523($x), /* x = (uv^7)^((q-5)/8) */ $v3 ), $u ); /* x = uv^3(uv^7)^((q-5)/8) */ $vxx = self::fe_mul( self::fe_sq($x), $v ); /* vx^2 */ $m_root_check = self::fe_sub($vxx, $u); /* vx^2-u */ $p_root_check = self::fe_add($vxx, $u); /* vx^2+u */ $f_root_check = self::fe_mul($u, $sqrtm1); /* u*sqrt(-1) */ $f_root_check = self::fe_add($vxx, $f_root_check); /* vx^2+u*sqrt(-1) */ $has_m_root = self::fe_iszero($m_root_check); $has_p_root = self::fe_iszero($p_root_check); $has_f_root = self::fe_iszero($f_root_check); $x_sqrtm1 = self::fe_mul($x, $sqrtm1); /* x*sqrt(-1) */ $x = self::fe_abs( self::fe_cmov($x, $x_sqrtm1, $has_p_root | $has_f_root) ); return array( 'x' => $x, 'nonsquare' => $has_m_root | $has_p_root ); } /** * @param string $s * @return int * @throws SodiumException */ public static function ristretto255_point_is_canonical($s) { $c = (self::chrToInt($s[31]) & 0x7f) ^ 0x7f; for ($i = 30; $i > 0; --$i) { $c |= self::chrToInt($s[$i]) ^ 0xff; } $c = ($c - 1) >> 8; $d = (0xed - 1 - self::chrToInt($s[0])) >> 8; $e = self::chrToInt($s[31]) >> 7; return 1 - ((($c & $d) | $e | self::chrToInt($s[0])) & 1); } /** * @param string $s * @param bool $skipCanonicalCheck * @return array{h: ParagonIE_Sodium_Core_Curve25519_Ge_P3, res: int} * @throws SodiumException */ public static function ristretto255_frombytes($s, $skipCanonicalCheck = false) { if (!$skipCanonicalCheck) { if (!self::ristretto255_point_is_canonical($s)) { throw new SodiumException('S is not canonical'); } } $s_ = self::fe_frombytes($s); $ss = self::fe_sq($s_); /* ss = s^2 */ $u1 = self::fe_sub(self::fe_1(), $ss); /* u1 = 1-ss */ $u1u1 = self::fe_sq($u1); /* u1u1 = u1^2 */ $u2 = self::fe_add(self::fe_1(), $ss); /* u2 = 1+ss */ $u2u2 = self::fe_sq($u2); /* u2u2 = u2^2 */ $v = self::fe_mul( ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$d), $u1u1 ); /* v = d*u1^2 */ $v = self::fe_neg($v); /* v = -d*u1^2 */ $v = self::fe_sub($v, $u2u2); /* v = -(d*u1^2)-u2^2 */ $v_u2u2 = self::fe_mul($v, $u2u2); /* v_u2u2 = v*u2^2 */ // fe25519_1(one); // notsquare = ristretto255_sqrt_ratio_m1(inv_sqrt, one, v_u2u2); $one = self::fe_1(); $result = self::ristretto255_sqrt_ratio_m1($one, $v_u2u2); $inv_sqrt = $result['x']; $notsquare = $result['nonsquare']; $h = new ParagonIE_Sodium_Core_Curve25519_Ge_P3(); $h->X = self::fe_mul($inv_sqrt, $u2); $h->Y = self::fe_mul(self::fe_mul($inv_sqrt, $h->X), $v); $h->X = self::fe_mul($h->X, $s_); $h->X = self::fe_abs( self::fe_add($h->X, $h->X) ); $h->Y = self::fe_mul($u1, $h->Y); $h->Z = self::fe_1(); $h->T = self::fe_mul($h->X, $h->Y); $res = - ((1 - $notsquare) | self::fe_isnegative($h->T) | self::fe_iszero($h->Y)); return array('h' => $h, 'res' => $res); } /** * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h * @return string * @throws SodiumException */ public static function ristretto255_p3_tobytes(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h) { $sqrtm1 = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqrtm1); $invsqrtamd = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$invsqrtamd); $u1 = self::fe_add($h->Z, $h->Y); /* u1 = Z+Y */ $zmy = self::fe_sub($h->Z, $h->Y); /* zmy = Z-Y */ $u1 = self::fe_mul($u1, $zmy); /* u1 = (Z+Y)*(Z-Y) */ $u2 = self::fe_mul($h->X, $h->Y); /* u2 = X*Y */ $u1_u2u2 = self::fe_mul(self::fe_sq($u2), $u1); /* u1_u2u2 = u1*u2^2 */ $one = self::fe_1(); // fe25519_1(one); // (void) ristretto255_sqrt_ratio_m1(inv_sqrt, one, u1_u2u2); $result = self::ristretto255_sqrt_ratio_m1($one, $u1_u2u2); $inv_sqrt = $result['x']; $den1 = self::fe_mul($inv_sqrt, $u1); /* den1 = inv_sqrt*u1 */ $den2 = self::fe_mul($inv_sqrt, $u2); /* den2 = inv_sqrt*u2 */ $z_inv = self::fe_mul($h->T, self::fe_mul($den1, $den2)); /* z_inv = den1*den2*T */ $ix = self::fe_mul($h->X, $sqrtm1); /* ix = X*sqrt(-1) */ $iy = self::fe_mul($h->Y, $sqrtm1); /* iy = Y*sqrt(-1) */ $eden = self::fe_mul($den1, $invsqrtamd); $t_z_inv = self::fe_mul($h->T, $z_inv); /* t_z_inv = T*z_inv */ $rotate = self::fe_isnegative($t_z_inv); $x_ = self::fe_copy($h->X); $y_ = self::fe_copy($h->Y); $den_inv = self::fe_copy($den2); $x_ = self::fe_cmov($x_, $iy, $rotate); $y_ = self::fe_cmov($y_, $ix, $rotate); $den_inv = self::fe_cmov($den_inv, $eden, $rotate); $x_z_inv = self::fe_mul($x_, $z_inv); $y_ = self::fe_cneg($y_, self::fe_isnegative($x_z_inv)); // fe25519_sub(s_, h->Z, y_); // fe25519_mul(s_, den_inv, s_); // fe25519_abs(s_, s_); // fe25519_tobytes(s, s_); return self::fe_tobytes( self::fe_abs( self::fe_mul( $den_inv, self::fe_sub($h->Z, $y_) ) ) ); } /** * @param ParagonIE_Sodium_Core_Curve25519_Fe $t * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 * * @throws SodiumException */ public static function ristretto255_elligator(ParagonIE_Sodium_Core_Curve25519_Fe $t) { $sqrtm1 = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqrtm1); $onemsqd = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$onemsqd); $d = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$d); $sqdmone = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqdmone); $sqrtadm1 = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqrtadm1); $one = self::fe_1(); $r = self::fe_mul($sqrtm1, self::fe_sq($t)); /* r = sqrt(-1)*t^2 */ $u = self::fe_mul(self::fe_add($r, $one), $onemsqd); /* u = (r+1)*(1-d^2) */ $c = self::fe_neg(self::fe_1()); /* c = -1 */ $rpd = self::fe_add($r, $d); /* rpd = r+d */ $v = self::fe_mul( self::fe_sub( $c, self::fe_mul($r, $d) ), $rpd ); /* v = (c-r*d)*(r+d) */ $result = self::ristretto255_sqrt_ratio_m1($u, $v); $s = $result['x']; $wasnt_square = 1 - $result['nonsquare']; $s_prime = self::fe_neg( self::fe_abs( self::fe_mul($s, $t) ) ); /* s_prime = -|s*t| */ $s = self::fe_cmov($s, $s_prime, $wasnt_square); $c = self::fe_cmov($c, $r, $wasnt_square); // fe25519_sub(n, r, one); /* n = r-1 */ // fe25519_mul(n, n, c); /* n = c*(r-1) */ // fe25519_mul(n, n, ed25519_sqdmone); /* n = c*(r-1)*(d-1)^2 */ // fe25519_sub(n, n, v); /* n = c*(r-1)*(d-1)^2-v */ $n = self::fe_sub( self::fe_mul( self::fe_mul( self::fe_sub($r, $one), $c ), $sqdmone ), $v ); /* n = c*(r-1)*(d-1)^2-v */ $w0 = self::fe_mul( self::fe_add($s, $s), $v ); /* w0 = 2s*v */ $w1 = self::fe_mul($n, $sqrtadm1); /* w1 = n*sqrt(ad-1) */ $ss = self::fe_sq($s); /* ss = s^2 */ $w2 = self::fe_sub($one, $ss); /* w2 = 1-s^2 */ $w3 = self::fe_add($one, $ss); /* w3 = 1+s^2 */ return new ParagonIE_Sodium_Core_Curve25519_Ge_P3( self::fe_mul($w0, $w3), self::fe_mul($w2, $w1), self::fe_mul($w1, $w3), self::fe_mul($w0, $w2) ); } /** * @param string $h * @return string * @throws SodiumException */ public static function ristretto255_from_hash($h) { if (self::strlen($h) !== 64) { throw new SodiumException('Hash must be 64 bytes'); } //fe25519_frombytes(r0, h); //fe25519_frombytes(r1, h + 32); $r0 = self::fe_frombytes(self::substr($h, 0, 32)); $r1 = self::fe_frombytes(self::substr($h, 32, 32)); //ristretto255_elligator(&p0, r0); //ristretto255_elligator(&p1, r1); $p0 = self::ristretto255_elligator($r0); $p1 = self::ristretto255_elligator($r1); //ge25519_p3_to_cached(&p1_cached, &p1); //ge25519_add_cached(&p_p1p1, &p0, &p1_cached); $p_p1p1 = self::ge_add( $p0, self::ge_p3_to_cached($p1) ); //ge25519_p1p1_to_p3(&p, &p_p1p1); //ristretto255_p3_tobytes(s, &p); return self::ristretto255_p3_tobytes( self::ge_p1p1_to_p3($p_p1p1) ); } /** * @param string $p * @return int * @throws SodiumException */ public static function is_valid_point($p) { $result = self::ristretto255_frombytes($p); if ($result['res'] !== 0) { return 0; } return 1; } /** * @param string $p * @param string $q * @return string * @throws SodiumException */ public static function ristretto255_add($p, $q) { $p_res = self::ristretto255_frombytes($p); $q_res = self::ristretto255_frombytes($q); if ($p_res['res'] !== 0 || $q_res['res'] !== 0) { throw new SodiumException('Could not add points'); } $p_p3 = $p_res['h']; $q_p3 = $q_res['h']; $q_cached = self::ge_p3_to_cached($q_p3); $r_p1p1 = self::ge_add($p_p3, $q_cached); $r_p3 = self::ge_p1p1_to_p3($r_p1p1); return self::ristretto255_p3_tobytes($r_p3); } /** * @param string $p * @param string $q * @return string * @throws SodiumException */ public static function ristretto255_sub($p, $q) { $p_res = self::ristretto255_frombytes($p); $q_res = self::ristretto255_frombytes($q); if ($p_res['res'] !== 0 || $q_res['res'] !== 0) { throw new SodiumException('Could not add points'); } $p_p3 = $p_res['h']; $q_p3 = $q_res['h']; $q_cached = self::ge_p3_to_cached($q_p3); $r_p1p1 = self::ge_sub($p_p3, $q_cached); $r_p3 = self::ge_p1p1_to_p3($r_p1p1); return self::ristretto255_p3_tobytes($r_p3); } /** * @param int $hLen * @param ?string $ctx * @param string $msg * @return string * @throws SodiumException * @psalm-suppress PossiblyInvalidArgument hash API */ protected static function h2c_string_to_hash_sha256($hLen, $ctx, $msg) { $h = array_fill(0, $hLen, 0); $ctx_len = !is_null($ctx) ? self::strlen($ctx) : 0; if ($hLen > 0xff) { throw new SodiumException('Hash must be less than 256 bytes'); } if ($ctx_len > 0xff) { $st = hash_init('sha256'); self::hash_update($st, "H2C-OVERSIZE-DST-"); self::hash_update($st, $ctx); $ctx = hash_final($st, true); $ctx_len = 32; } $t = array(0, $hLen, 0); $ux = str_repeat("\0", 64); $st = hash_init('sha256'); self::hash_update($st, $ux); self::hash_update($st, $msg); self::hash_update($st, self::intArrayToString($t)); self::hash_update($st, $ctx); self::hash_update($st, self::intToChr($ctx_len)); $u0 = hash_final($st, true); for ($i = 0; $i < $hLen; $i += 64) { $ux = self::xorStrings($ux, $u0); ++$t[2]; $st = hash_init('sha256'); self::hash_update($st, $ux); self::hash_update($st, self::intToChr($t[2])); self::hash_update($st, $ctx); self::hash_update($st, self::intToChr($ctx_len)); $ux = hash_final($st, true); $amount = min($hLen - $i, 64); for ($j = 0; $j < $amount; ++$j) { $h[$i + $j] = self::chrToInt($ux[$i]); } } return self::intArrayToString(array_slice($h, 0, $hLen)); } /** * @param int $hLen * @param ?string $ctx * @param string $msg * @return string * @throws SodiumException * @psalm-suppress PossiblyInvalidArgument hash API */ protected static function h2c_string_to_hash_sha512($hLen, $ctx, $msg) { $h = array_fill(0, $hLen, 0); $ctx_len = !is_null($ctx) ? self::strlen($ctx) : 0; if ($hLen > 0xff) { throw new SodiumException('Hash must be less than 256 bytes'); } if ($ctx_len > 0xff) { $st = hash_init('sha256'); self::hash_update($st, "H2C-OVERSIZE-DST-"); self::hash_update($st, $ctx); $ctx = hash_final($st, true); $ctx_len = 32; } $t = array(0, $hLen, 0); $ux = str_repeat("\0", 128); $st = hash_init('sha512'); self::hash_update($st, $ux); self::hash_update($st, $msg); self::hash_update($st, self::intArrayToString($t)); self::hash_update($st, $ctx); self::hash_update($st, self::intToChr($ctx_len)); $u0 = hash_final($st, true); for ($i = 0; $i < $hLen; $i += 128) { $ux = self::xorStrings($ux, $u0); ++$t[2]; $st = hash_init('sha512'); self::hash_update($st, $ux); self::hash_update($st, self::intToChr($t[2])); self::hash_update($st, $ctx); self::hash_update($st, self::intToChr($ctx_len)); $ux = hash_final($st, true); $amount = min($hLen - $i, 128); for ($j = 0; $j < $amount; ++$j) { $h[$i + $j] = self::chrToInt($ux[$i]); } } return self::intArrayToString(array_slice($h, 0, $hLen)); } /** * @param int $hLen * @param ?string $ctx * @param string $msg * @param int $hash_alg * @return string * @throws SodiumException */ public static function h2c_string_to_hash($hLen, $ctx, $msg, $hash_alg) { switch ($hash_alg) { case self::CORE_H2C_SHA256: return self::h2c_string_to_hash_sha256($hLen, $ctx, $msg); case self::CORE_H2C_SHA512: return self::h2c_string_to_hash_sha512($hLen, $ctx, $msg); default: throw new SodiumException('Invalid H2C hash algorithm'); } } /** * @param ?string $ctx * @param string $msg * @param int $hash_alg * @return string * @throws SodiumException */ protected static function _string_to_element($ctx, $msg, $hash_alg) { return self::ristretto255_from_hash( self::h2c_string_to_hash(self::crypto_core_ristretto255_HASHBYTES, $ctx, $msg, $hash_alg) ); } /** * @return string * @throws SodiumException * @throws Exception */ public static function ristretto255_random() { return self::ristretto255_from_hash( ParagonIE_Sodium_Compat::randombytes_buf(self::crypto_core_ristretto255_HASHBYTES) ); } /** * @return string * @throws SodiumException */ public static function ristretto255_scalar_random() { return self::scalar_random(); } /** * @param string $s * @return string * @throws SodiumException */ public static function ristretto255_scalar_complement($s) { return self::scalar_complement($s); } /** * @param string $s * @return string */ public static function ristretto255_scalar_invert($s) { return self::sc25519_invert($s); } /** * @param string $s * @return string * @throws SodiumException */ public static function ristretto255_scalar_negate($s) { return self::scalar_negate($s); } /** * @param string $x * @param string $y * @return string */ public static function ristretto255_scalar_add($x, $y) { return self::scalar_add($x, $y); } /** * @param string $x * @param string $y * @return string */ public static function ristretto255_scalar_sub($x, $y) { return self::scalar_sub($x, $y); } /** * @param string $x * @param string $y * @return string */ public static function ristretto255_scalar_mul($x, $y) { return self::sc25519_mul($x, $y); } /** * @param string $ctx * @param string $msg * @param int $hash_alg * @return string * @throws SodiumException */ public static function ristretto255_scalar_from_string($ctx, $msg, $hash_alg) { $h = array_fill(0, 64, 0); $h_be = self::stringToIntArray( self::h2c_string_to_hash( self::HASH_SC_L, $ctx, $msg, $hash_alg ) ); for ($i = 0; $i < self::HASH_SC_L; ++$i) { $h[$i] = $h_be[self::HASH_SC_L - 1 - $i]; } return self::ristretto255_scalar_reduce(self::intArrayToString($h)); } /** * @param string $s * @return string */ public static function ristretto255_scalar_reduce($s) { return self::sc_reduce($s); } /** * @param string $n * @param string $p * @return string * @throws SodiumException */ public static function scalarmult_ristretto255($n, $p) { if (self::strlen($n) !== 32) { throw new SodiumException('Scalar must be 32 bytes, ' . self::strlen($p) . ' given.'); } if (self::strlen($p) !== 32) { throw new SodiumException('Point must be 32 bytes, ' . self::strlen($p) . ' given.'); } $result = self::ristretto255_frombytes($p); if ($result['res'] !== 0) { throw new SodiumException('Could not multiply points'); } $P = $result['h']; $t = self::stringToIntArray($n); $t[31] &= 0x7f; $Q = self::ge_scalarmult(self::intArrayToString($t), $P); $q = self::ristretto255_p3_tobytes($Q); if (ParagonIE_Sodium_Compat::is_zero($q)) { throw new SodiumException('An unknown error has occurred'); } return $q; } /** * @param string $n * @return string * @throws SodiumException */ public static function scalarmult_ristretto255_base($n) { $t = self::stringToIntArray($n); $t[31] &= 0x7f; $Q = self::ge_scalarmult_base(self::intArrayToString($t)); $q = self::ristretto255_p3_tobytes($Q); if (ParagonIE_Sodium_Compat::is_zero($q)) { throw new SodiumException('An unknown error has occurred'); } return $q; } } Core/HSalsa20.php 0000644 00000007131 14717743076 0007504 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_HSalsa20', false)) { return; } /** * Class ParagonIE_Sodium_Core_HSalsa20 */ abstract class ParagonIE_Sodium_Core_HSalsa20 extends ParagonIE_Sodium_Core_Salsa20 { /** * Calculate an hsalsa20 hash of a single block * * HSalsa20 doesn't have a counter and will never be used for more than * one block (used to derive a subkey for xsalsa20). * * @internal You should not use this directly from another application * * @param string $in * @param string $k * @param string|null $c * @return string * @throws TypeError */ public static function hsalsa20($in, $k, $c = null) { if ($c === null) { $x0 = 0x61707865; $x5 = 0x3320646e; $x10 = 0x79622d32; $x15 = 0x6b206574; } else { $x0 = self::load_4(self::substr($c, 0, 4)); $x5 = self::load_4(self::substr($c, 4, 4)); $x10 = self::load_4(self::substr($c, 8, 4)); $x15 = self::load_4(self::substr($c, 12, 4)); } $x1 = self::load_4(self::substr($k, 0, 4)); $x2 = self::load_4(self::substr($k, 4, 4)); $x3 = self::load_4(self::substr($k, 8, 4)); $x4 = self::load_4(self::substr($k, 12, 4)); $x11 = self::load_4(self::substr($k, 16, 4)); $x12 = self::load_4(self::substr($k, 20, 4)); $x13 = self::load_4(self::substr($k, 24, 4)); $x14 = self::load_4(self::substr($k, 28, 4)); $x6 = self::load_4(self::substr($in, 0, 4)); $x7 = self::load_4(self::substr($in, 4, 4)); $x8 = self::load_4(self::substr($in, 8, 4)); $x9 = self::load_4(self::substr($in, 12, 4)); for ($i = self::ROUNDS; $i > 0; $i -= 2) { $x4 ^= self::rotate($x0 + $x12, 7); $x8 ^= self::rotate($x4 + $x0, 9); $x12 ^= self::rotate($x8 + $x4, 13); $x0 ^= self::rotate($x12 + $x8, 18); $x9 ^= self::rotate($x5 + $x1, 7); $x13 ^= self::rotate($x9 + $x5, 9); $x1 ^= self::rotate($x13 + $x9, 13); $x5 ^= self::rotate($x1 + $x13, 18); $x14 ^= self::rotate($x10 + $x6, 7); $x2 ^= self::rotate($x14 + $x10, 9); $x6 ^= self::rotate($x2 + $x14, 13); $x10 ^= self::rotate($x6 + $x2, 18); $x3 ^= self::rotate($x15 + $x11, 7); $x7 ^= self::rotate($x3 + $x15, 9); $x11 ^= self::rotate($x7 + $x3, 13); $x15 ^= self::rotate($x11 + $x7, 18); $x1 ^= self::rotate($x0 + $x3, 7); $x2 ^= self::rotate($x1 + $x0, 9); $x3 ^= self::rotate($x2 + $x1, 13); $x0 ^= self::rotate($x3 + $x2, 18); $x6 ^= self::rotate($x5 + $x4, 7); $x7 ^= self::rotate($x6 + $x5, 9); $x4 ^= self::rotate($x7 + $x6, 13); $x5 ^= self::rotate($x4 + $x7, 18); $x11 ^= self::rotate($x10 + $x9, 7); $x8 ^= self::rotate($x11 + $x10, 9); $x9 ^= self::rotate($x8 + $x11, 13); $x10 ^= self::rotate($x9 + $x8, 18); $x12 ^= self::rotate($x15 + $x14, 7); $x13 ^= self::rotate($x12 + $x15, 9); $x14 ^= self::rotate($x13 + $x12, 13); $x15 ^= self::rotate($x14 + $x13, 18); } return self::store32_le($x0) . self::store32_le($x5) . self::store32_le($x10) . self::store32_le($x15) . self::store32_le($x6) . self::store32_le($x7) . self::store32_le($x8) . self::store32_le($x9); } } Core/Poly1305.php 0000644 00000003046 14717743076 0007424 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Poly1305', false)) { return; } /** * Class ParagonIE_Sodium_Core_Poly1305 */ abstract class ParagonIE_Sodium_Core_Poly1305 extends ParagonIE_Sodium_Core_Util { const BLOCK_SIZE = 16; /** * @internal You should not use this directly from another application * * @param string $m * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function onetimeauth($m, $key) { if (self::strlen($key) < 32) { throw new InvalidArgumentException( 'Key must be 32 bytes long.' ); } $state = new ParagonIE_Sodium_Core_Poly1305_State( self::substr($key, 0, 32) ); return $state ->update($m) ->finish(); } /** * @internal You should not use this directly from another application * * @param string $mac * @param string $m * @param string $key * @return bool * @throws SodiumException * @throws TypeError */ public static function onetimeauth_verify($mac, $m, $key) { if (self::strlen($key) < 32) { throw new InvalidArgumentException( 'Key must be 32 bytes long.' ); } $state = new ParagonIE_Sodium_Core_Poly1305_State( self::substr($key, 0, 32) ); $calc = $state ->update($m) ->finish(); return self::verify_16($calc, $mac); } } Core/XChaCha20.php 0000644 00000006452 14717743076 0007575 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_XChaCha20', false)) { return; } /** * Class ParagonIE_Sodium_Core_XChaCha20 */ class ParagonIE_Sodium_Core_XChaCha20 extends ParagonIE_Sodium_Core_HChaCha20 { /** * @internal You should not use this directly from another application * * @param int $len * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function stream($len = 64, $nonce = '', $key = '') { if (self::strlen($nonce) !== 24) { throw new SodiumException('Nonce must be 24 bytes long'); } return self::encryptBytes( new ParagonIE_Sodium_Core_ChaCha20_Ctx( self::hChaCha20( self::substr($nonce, 0, 16), $key ), self::substr($nonce, 16, 8) ), str_repeat("\x00", $len) ); } /** * @internal You should not use this directly from another application * * @param int $len * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function ietfStream($len = 64, $nonce = '', $key = '') { if (self::strlen($nonce) !== 24) { throw new SodiumException('Nonce must be 24 bytes long'); } return self::encryptBytes( new ParagonIE_Sodium_Core_ChaCha20_IetfCtx( self::hChaCha20( self::substr($nonce, 0, 16), $key ), "\x00\x00\x00\x00" . self::substr($nonce, 16, 8) ), str_repeat("\x00", $len) ); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @param string $ic * @return string * @throws SodiumException * @throws TypeError */ public static function streamXorIc($message, $nonce = '', $key = '', $ic = '') { if (self::strlen($nonce) !== 24) { throw new SodiumException('Nonce must be 24 bytes long'); } return self::encryptBytes( new ParagonIE_Sodium_Core_ChaCha20_Ctx( self::hChaCha20(self::substr($nonce, 0, 16), $key), self::substr($nonce, 16, 8), $ic ), $message ); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @param string $ic * @return string * @throws SodiumException * @throws TypeError */ public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '') { if (self::strlen($nonce) !== 24) { throw new SodiumException('Nonce must be 24 bytes long'); } return self::encryptBytes( new ParagonIE_Sodium_Core_ChaCha20_IetfCtx( self::hChaCha20(self::substr($nonce, 0, 16), $key), "\x00\x00\x00\x00" . self::substr($nonce, 16, 8), $ic ), $message ); } } Core/Ed25519.php 0000644 00000042114 14717743076 0007125 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Ed25519', false)) { return; } if (!class_exists('ParagonIE_Sodium_Core_Curve25519', false)) { require_once dirname(__FILE__) . '/Curve25519.php'; } /** * Class ParagonIE_Sodium_Core_Ed25519 */ abstract class ParagonIE_Sodium_Core_Ed25519 extends ParagonIE_Sodium_Core_Curve25519 { const KEYPAIR_BYTES = 96; const SEED_BYTES = 32; const SCALAR_BYTES = 32; /** * @internal You should not use this directly from another application * * @return string (96 bytes) * @throws Exception * @throws SodiumException * @throws TypeError */ public static function keypair() { $seed = random_bytes(self::SEED_BYTES); $pk = ''; $sk = ''; self::seed_keypair($pk, $sk, $seed); return $sk . $pk; } /** * @internal You should not use this directly from another application * * @param string $pk * @param string $sk * @param string $seed * @return string * @throws SodiumException * @throws TypeError */ public static function seed_keypair(&$pk, &$sk, $seed) { if (self::strlen($seed) !== self::SEED_BYTES) { throw new RangeException('crypto_sign keypair seed must be 32 bytes long'); } /** @var string $pk */ $pk = self::publickey_from_secretkey($seed); $sk = $seed . $pk; return $sk; } /** * @internal You should not use this directly from another application * * @param string $keypair * @return string * @throws TypeError */ public static function secretkey($keypair) { if (self::strlen($keypair) !== self::KEYPAIR_BYTES) { throw new RangeException('crypto_sign keypair must be 96 bytes long'); } return self::substr($keypair, 0, 64); } /** * @internal You should not use this directly from another application * * @param string $keypair * @return string * @throws TypeError */ public static function publickey($keypair) { if (self::strlen($keypair) !== self::KEYPAIR_BYTES) { throw new RangeException('crypto_sign keypair must be 96 bytes long'); } return self::substr($keypair, 64, 32); } /** * @internal You should not use this directly from another application * * @param string $sk * @return string * @throws SodiumException * @throws TypeError */ public static function publickey_from_secretkey($sk) { /** @var string $sk */ $sk = hash('sha512', self::substr($sk, 0, 32), true); $sk[0] = self::intToChr( self::chrToInt($sk[0]) & 248 ); $sk[31] = self::intToChr( (self::chrToInt($sk[31]) & 63) | 64 ); return self::sk_to_pk($sk); } /** * @param string $pk * @return string * @throws SodiumException * @throws TypeError */ public static function pk_to_curve25519($pk) { if (self::small_order($pk)) { throw new SodiumException('Public key is on a small order'); } $A = self::ge_frombytes_negate_vartime(self::substr($pk, 0, 32)); $p1 = self::ge_mul_l($A); if (!self::fe_isnonzero($p1->X)) { throw new SodiumException('Unexpected zero result'); } # fe_1(one_minus_y); # fe_sub(one_minus_y, one_minus_y, A.Y); # fe_invert(one_minus_y, one_minus_y); $one_minux_y = self::fe_invert( self::fe_sub( self::fe_1(), $A->Y ) ); # fe_1(x); # fe_add(x, x, A.Y); # fe_mul(x, x, one_minus_y); $x = self::fe_mul( self::fe_add(self::fe_1(), $A->Y), $one_minux_y ); # fe_tobytes(curve25519_pk, x); return self::fe_tobytes($x); } /** * @internal You should not use this directly from another application * * @param string $sk * @return string * @throws SodiumException * @throws TypeError */ public static function sk_to_pk($sk) { return self::ge_p3_tobytes( self::ge_scalarmult_base( self::substr($sk, 0, 32) ) ); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $sk * @return string * @throws SodiumException * @throws TypeError */ public static function sign($message, $sk) { /** @var string $signature */ $signature = self::sign_detached($message, $sk); return $signature . $message; } /** * @internal You should not use this directly from another application * * @param string $message A signed message * @param string $pk Public key * @return string Message (without signature) * @throws SodiumException * @throws TypeError */ public static function sign_open($message, $pk) { /** @var string $signature */ $signature = self::substr($message, 0, 64); /** @var string $message */ $message = self::substr($message, 64); if (self::verify_detached($signature, $message, $pk)) { return $message; } throw new SodiumException('Invalid signature'); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $sk * @return string * @throws SodiumException * @throws TypeError */ public static function sign_detached($message, $sk) { # crypto_hash_sha512(az, sk, 32); $az = hash('sha512', self::substr($sk, 0, 32), true); # az[0] &= 248; # az[31] &= 63; # az[31] |= 64; $az[0] = self::intToChr(self::chrToInt($az[0]) & 248); $az[31] = self::intToChr((self::chrToInt($az[31]) & 63) | 64); # crypto_hash_sha512_init(&hs); # crypto_hash_sha512_update(&hs, az + 32, 32); # crypto_hash_sha512_update(&hs, m, mlen); # crypto_hash_sha512_final(&hs, nonce); $hs = hash_init('sha512'); hash_update($hs, self::substr($az, 32, 32)); hash_update($hs, $message); $nonceHash = hash_final($hs, true); # memmove(sig + 32, sk + 32, 32); $pk = self::substr($sk, 32, 32); # sc_reduce(nonce); # ge_scalarmult_base(&R, nonce); # ge_p3_tobytes(sig, &R); $nonce = self::sc_reduce($nonceHash) . self::substr($nonceHash, 32); $sig = self::ge_p3_tobytes( self::ge_scalarmult_base($nonce) ); # crypto_hash_sha512_init(&hs); # crypto_hash_sha512_update(&hs, sig, 64); # crypto_hash_sha512_update(&hs, m, mlen); # crypto_hash_sha512_final(&hs, hram); $hs = hash_init('sha512'); hash_update($hs, self::substr($sig, 0, 32)); hash_update($hs, self::substr($pk, 0, 32)); hash_update($hs, $message); $hramHash = hash_final($hs, true); # sc_reduce(hram); # sc_muladd(sig + 32, hram, az, nonce); $hram = self::sc_reduce($hramHash); $sigAfter = self::sc_muladd($hram, $az, $nonce); $sig = self::substr($sig, 0, 32) . self::substr($sigAfter, 0, 32); try { ParagonIE_Sodium_Compat::memzero($az); } catch (SodiumException $ex) { $az = null; } return $sig; } /** * @internal You should not use this directly from another application * * @param string $sig * @param string $message * @param string $pk * @return bool * @throws SodiumException * @throws TypeError */ public static function verify_detached($sig, $message, $pk) { if (self::strlen($sig) < 64) { throw new SodiumException('Signature is too short'); } if ((self::chrToInt($sig[63]) & 240) && self::check_S_lt_L(self::substr($sig, 32, 32))) { throw new SodiumException('S < L - Invalid signature'); } if (self::small_order($sig)) { throw new SodiumException('Signature is on too small of an order'); } if ((self::chrToInt($sig[63]) & 224) !== 0) { throw new SodiumException('Invalid signature'); } $d = 0; for ($i = 0; $i < 32; ++$i) { $d |= self::chrToInt($pk[$i]); } if ($d === 0) { throw new SodiumException('All zero public key'); } /** @var bool The original value of ParagonIE_Sodium_Compat::$fastMult */ $orig = ParagonIE_Sodium_Compat::$fastMult; // Set ParagonIE_Sodium_Compat::$fastMult to true to speed up verification. ParagonIE_Sodium_Compat::$fastMult = true; /** @var ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A */ $A = self::ge_frombytes_negate_vartime($pk); /** @var string $hDigest */ $hDigest = hash( 'sha512', self::substr($sig, 0, 32) . self::substr($pk, 0, 32) . $message, true ); /** @var string $h */ $h = self::sc_reduce($hDigest) . self::substr($hDigest, 32); /** @var ParagonIE_Sodium_Core_Curve25519_Ge_P2 $R */ $R = self::ge_double_scalarmult_vartime( $h, $A, self::substr($sig, 32) ); /** @var string $rcheck */ $rcheck = self::ge_tobytes($R); // Reset ParagonIE_Sodium_Compat::$fastMult to what it was before. ParagonIE_Sodium_Compat::$fastMult = $orig; return self::verify_32($rcheck, self::substr($sig, 0, 32)); } /** * @internal You should not use this directly from another application * * @param string $S * @return bool * @throws SodiumException * @throws TypeError */ public static function check_S_lt_L($S) { if (self::strlen($S) < 32) { throw new SodiumException('Signature must be 32 bytes'); } $L = array( 0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10 ); $c = 0; $n = 1; $i = 32; /** @var array<int, int> $L */ do { --$i; $x = self::chrToInt($S[$i]); $c |= ( (($x - $L[$i]) >> 8) & $n ); $n &= ( (($x ^ $L[$i]) - 1) >> 8 ); } while ($i !== 0); return $c === 0; } /** * @param string $R * @return bool * @throws SodiumException * @throws TypeError */ public static function small_order($R) { /** @var array<int, array<int, int>> $blocklist */ $blocklist = array( /* 0 (order 4) */ array( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ), /* 1 (order 1) */ array( 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ), /* 2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */ array( 0x26, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0, 0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0, 0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39, 0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x05 ), /* 55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */ array( 0xc7, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f, 0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f, 0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6, 0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0x7a ), /* p-1 (order 2) */ array( 0x13, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0, 0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0, 0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39, 0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x85 ), /* p (order 4) */ array( 0xb4, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f, 0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f, 0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6, 0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0xfa ), /* p+1 (order 1) */ array( 0xec, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f ), /* p+2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */ array( 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f ), /* p+55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */ array( 0xee, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f ), /* 2p-1 (order 2) */ array( 0xd9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff ), /* 2p (order 4) */ array( 0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff ), /* 2p+1 (order 1) */ array( 0xdb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff ) ); /** @var int $countBlocklist */ $countBlocklist = count($blocklist); for ($i = 0; $i < $countBlocklist; ++$i) { $c = 0; for ($j = 0; $j < 32; ++$j) { $c |= self::chrToInt($R[$j]) ^ (int) $blocklist[$i][$j]; } if ($c === 0) { return true; } } return false; } /** * @param string $s * @return string * @throws SodiumException */ public static function scalar_complement($s) { $t_ = self::L . str_repeat("\x00", 32); sodium_increment($t_); $s_ = $s . str_repeat("\x00", 32); ParagonIE_Sodium_Compat::sub($t_, $s_); return self::sc_reduce($t_); } /** * @return string * @throws SodiumException */ public static function scalar_random() { do { $r = ParagonIE_Sodium_Compat::randombytes_buf(self::SCALAR_BYTES); $r[self::SCALAR_BYTES - 1] = self::intToChr( self::chrToInt($r[self::SCALAR_BYTES - 1]) & 0x1f ); } while ( !self::check_S_lt_L($r) || ParagonIE_Sodium_Compat::is_zero($r) ); return $r; } /** * @param string $s * @return string * @throws SodiumException */ public static function scalar_negate($s) { $t_ = self::L . str_repeat("\x00", 32) ; $s_ = $s . str_repeat("\x00", 32) ; ParagonIE_Sodium_Compat::sub($t_, $s_); return self::sc_reduce($t_); } /** * @param string $a * @param string $b * @return string * @throws SodiumException */ public static function scalar_add($a, $b) { $a_ = $a . str_repeat("\x00", 32); $b_ = $b . str_repeat("\x00", 32); ParagonIE_Sodium_Compat::add($a_, $b_); return self::sc_reduce($a_); } /** * @param string $x * @param string $y * @return string * @throws SodiumException */ public static function scalar_sub($x, $y) { $yn = self::scalar_negate($y); return self::scalar_add($x, $yn); } } Core/SipHash.php 0000644 00000020051 14717743076 0007522 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_SipHash', false)) { return; } /** * Class ParagonIE_SodiumCompat_Core_SipHash * * Only uses 32-bit arithmetic, while the original SipHash used 64-bit integers */ class ParagonIE_Sodium_Core_SipHash extends ParagonIE_Sodium_Core_Util { /** * @internal You should not use this directly from another application * * @param int[] $v * @return int[] * */ public static function sipRound(array $v) { # v0 += v1; list($v[0], $v[1]) = self::add( array($v[0], $v[1]), array($v[2], $v[3]) ); # v1=ROTL(v1,13); list($v[2], $v[3]) = self::rotl_64((int) $v[2], (int) $v[3], 13); # v1 ^= v0; $v[2] = (int) $v[2] ^ (int) $v[0]; $v[3] = (int) $v[3] ^ (int) $v[1]; # v0=ROTL(v0,32); list($v[0], $v[1]) = self::rotl_64((int) $v[0], (int) $v[1], 32); # v2 += v3; list($v[4], $v[5]) = self::add( array((int) $v[4], (int) $v[5]), array((int) $v[6], (int) $v[7]) ); # v3=ROTL(v3,16); list($v[6], $v[7]) = self::rotl_64((int) $v[6], (int) $v[7], 16); # v3 ^= v2; $v[6] = (int) $v[6] ^ (int) $v[4]; $v[7] = (int) $v[7] ^ (int) $v[5]; # v0 += v3; list($v[0], $v[1]) = self::add( array((int) $v[0], (int) $v[1]), array((int) $v[6], (int) $v[7]) ); # v3=ROTL(v3,21); list($v[6], $v[7]) = self::rotl_64((int) $v[6], (int) $v[7], 21); # v3 ^= v0; $v[6] = (int) $v[6] ^ (int) $v[0]; $v[7] = (int) $v[7] ^ (int) $v[1]; # v2 += v1; list($v[4], $v[5]) = self::add( array((int) $v[4], (int) $v[5]), array((int) $v[2], (int) $v[3]) ); # v1=ROTL(v1,17); list($v[2], $v[3]) = self::rotl_64((int) $v[2], (int) $v[3], 17); # v1 ^= v2;; $v[2] = (int) $v[2] ^ (int) $v[4]; $v[3] = (int) $v[3] ^ (int) $v[5]; # v2=ROTL(v2,32) list($v[4], $v[5]) = self::rotl_64((int) $v[4], (int) $v[5], 32); return $v; } /** * Add two 32 bit integers representing a 64-bit integer. * * @internal You should not use this directly from another application * * @param int[] $a * @param int[] $b * @return array<int, mixed> */ public static function add(array $a, array $b) { /** @var int $x1 */ $x1 = $a[1] + $b[1]; /** @var int $c */ $c = $x1 >> 32; // Carry if ($a + $b) > 0xffffffff /** @var int $x0 */ $x0 = $a[0] + $b[0] + $c; return array( $x0 & 0xffffffff, $x1 & 0xffffffff ); } /** * @internal You should not use this directly from another application * * @param int $int0 * @param int $int1 * @param int $c * @return array<int, mixed> */ public static function rotl_64($int0, $int1, $c) { $int0 &= 0xffffffff; $int1 &= 0xffffffff; $c &= 63; if ($c === 32) { return array($int1, $int0); } if ($c > 31) { $tmp = $int1; $int1 = $int0; $int0 = $tmp; $c &= 31; } if ($c === 0) { return array($int0, $int1); } return array( 0xffffffff & ( ($int0 << $c) | ($int1 >> (32 - $c)) ), 0xffffffff & ( ($int1 << $c) | ($int0 >> (32 - $c)) ), ); } /** * Implements Siphash-2-4 using only 32-bit numbers. * * When we split an int into two, the higher bits go to the lower index. * e.g. 0xDEADBEEFAB10C92D becomes [ * 0 => 0xDEADBEEF, * 1 => 0xAB10C92D * ]. * * @internal You should not use this directly from another application * * @param string $in * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function sipHash24($in, $key) { $inlen = self::strlen($in); # /* "somepseudorandomlygeneratedbytes" */ # u64 v0 = 0x736f6d6570736575ULL; # u64 v1 = 0x646f72616e646f6dULL; # u64 v2 = 0x6c7967656e657261ULL; # u64 v3 = 0x7465646279746573ULL; $v = array( 0x736f6d65, // 0 0x70736575, // 1 0x646f7261, // 2 0x6e646f6d, // 3 0x6c796765, // 4 0x6e657261, // 5 0x74656462, // 6 0x79746573 // 7 ); // v0 => $v[0], $v[1] // v1 => $v[2], $v[3] // v2 => $v[4], $v[5] // v3 => $v[6], $v[7] # u64 k0 = LOAD64_LE( k ); # u64 k1 = LOAD64_LE( k + 8 ); $k = array( self::load_4(self::substr($key, 4, 4)), self::load_4(self::substr($key, 0, 4)), self::load_4(self::substr($key, 12, 4)), self::load_4(self::substr($key, 8, 4)) ); // k0 => $k[0], $k[1] // k1 => $k[2], $k[3] # b = ( ( u64 )inlen ) << 56; $b = array( $inlen << 24, 0 ); // See docblock for why the 0th index gets the higher bits. # v3 ^= k1; $v[6] ^= $k[2]; $v[7] ^= $k[3]; # v2 ^= k0; $v[4] ^= $k[0]; $v[5] ^= $k[1]; # v1 ^= k1; $v[2] ^= $k[2]; $v[3] ^= $k[3]; # v0 ^= k0; $v[0] ^= $k[0]; $v[1] ^= $k[1]; $left = $inlen; # for ( ; in != end; in += 8 ) while ($left >= 8) { # m = LOAD64_LE( in ); $m = array( self::load_4(self::substr($in, 4, 4)), self::load_4(self::substr($in, 0, 4)) ); # v3 ^= m; $v[6] ^= $m[0]; $v[7] ^= $m[1]; # SIPROUND; # SIPROUND; $v = self::sipRound($v); $v = self::sipRound($v); # v0 ^= m; $v[0] ^= $m[0]; $v[1] ^= $m[1]; $in = self::substr($in, 8); $left -= 8; } # switch( left ) # { # case 7: b |= ( ( u64 )in[ 6] ) << 48; # case 6: b |= ( ( u64 )in[ 5] ) << 40; # case 5: b |= ( ( u64 )in[ 4] ) << 32; # case 4: b |= ( ( u64 )in[ 3] ) << 24; # case 3: b |= ( ( u64 )in[ 2] ) << 16; # case 2: b |= ( ( u64 )in[ 1] ) << 8; # case 1: b |= ( ( u64 )in[ 0] ); break; # case 0: break; # } switch ($left) { case 7: $b[0] |= self::chrToInt($in[6]) << 16; case 6: $b[0] |= self::chrToInt($in[5]) << 8; case 5: $b[0] |= self::chrToInt($in[4]); case 4: $b[1] |= self::chrToInt($in[3]) << 24; case 3: $b[1] |= self::chrToInt($in[2]) << 16; case 2: $b[1] |= self::chrToInt($in[1]) << 8; case 1: $b[1] |= self::chrToInt($in[0]); case 0: break; } // See docblock for why the 0th index gets the higher bits. # v3 ^= b; $v[6] ^= $b[0]; $v[7] ^= $b[1]; # SIPROUND; # SIPROUND; $v = self::sipRound($v); $v = self::sipRound($v); # v0 ^= b; $v[0] ^= $b[0]; $v[1] ^= $b[1]; // Flip the lower 8 bits of v2 which is ($v[4], $v[5]) in our implementation # v2 ^= 0xff; $v[5] ^= 0xff; # SIPROUND; # SIPROUND; # SIPROUND; # SIPROUND; $v = self::sipRound($v); $v = self::sipRound($v); $v = self::sipRound($v); $v = self::sipRound($v); # b = v0 ^ v1 ^ v2 ^ v3; # STORE64_LE( out, b ); return self::store32_le($v[1] ^ $v[3] ^ $v[5] ^ $v[7]) . self::store32_le($v[0] ^ $v[2] ^ $v[4] ^ $v[6]); } } Core/Base64/Original.php 0000644 00000017055 14717743076 0010765 0 ustar 00 <?php /** * Class ParagonIE_Sodium_Core_Base64 * * Copyright (c) 2016 - 2018 Paragon Initiative Enterprises. * Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com) */ class ParagonIE_Sodium_Core_Base64_Original { // COPY ParagonIE_Sodium_Core_Base64_Common STARTING HERE /** * Encode into Base64 * * Base64 character set "[A-Z][a-z][0-9]+/" * * @param string $src * @return string * @throws TypeError */ public static function encode($src) { return self::doEncode($src, true); } /** * Encode into Base64, no = padding * * Base64 character set "[A-Z][a-z][0-9]+/" * * @param string $src * @return string * @throws TypeError */ public static function encodeUnpadded($src) { return self::doEncode($src, false); } /** * @param string $src * @param bool $pad Include = padding? * @return string * @throws TypeError */ protected static function doEncode($src, $pad = true) { $dest = ''; $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); // Main loop (no padding): for ($i = 0; $i + 3 <= $srcLen; $i += 3) { /** @var array<int, int> $chunk */ $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 3)); $b0 = $chunk[1]; $b1 = $chunk[2]; $b2 = $chunk[3]; $dest .= self::encode6Bits( $b0 >> 2 ) . self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) . self::encode6Bits((($b1 << 2) | ($b2 >> 6)) & 63) . self::encode6Bits( $b2 & 63); } // The last chunk, which may have padding: if ($i < $srcLen) { /** @var array<int, int> $chunk */ $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i)); $b0 = $chunk[1]; if ($i + 1 < $srcLen) { $b1 = $chunk[2]; $dest .= self::encode6Bits($b0 >> 2) . self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) . self::encode6Bits(($b1 << 2) & 63); if ($pad) { $dest .= '='; } } else { $dest .= self::encode6Bits( $b0 >> 2) . self::encode6Bits(($b0 << 4) & 63); if ($pad) { $dest .= '=='; } } } return $dest; } /** * decode from base64 into binary * * Base64 character set "./[A-Z][a-z][0-9]" * * @param string $src * @param bool $strictPadding * @return string * @throws RangeException * @throws TypeError * @psalm-suppress RedundantCondition */ public static function decode($src, $strictPadding = false) { // Remove padding $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); if ($srcLen === 0) { return ''; } if ($strictPadding) { if (($srcLen & 3) === 0) { if ($src[$srcLen - 1] === '=') { $srcLen--; if ($src[$srcLen - 1] === '=') { $srcLen--; } } } if (($srcLen & 3) === 1) { throw new RangeException( 'Incorrect padding' ); } if ($src[$srcLen - 1] === '=') { throw new RangeException( 'Incorrect padding' ); } } else { $src = rtrim($src, '='); $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); } $err = 0; $dest = ''; // Main loop (no padding): for ($i = 0; $i + 4 <= $srcLen; $i += 4) { /** @var array<int, int> $chunk */ $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 4)); $c0 = self::decode6Bits($chunk[1]); $c1 = self::decode6Bits($chunk[2]); $c2 = self::decode6Bits($chunk[3]); $c3 = self::decode6Bits($chunk[4]); $dest .= pack( 'CCC', ((($c0 << 2) | ($c1 >> 4)) & 0xff), ((($c1 << 4) | ($c2 >> 2)) & 0xff), ((($c2 << 6) | $c3) & 0xff) ); $err |= ($c0 | $c1 | $c2 | $c3) >> 8; } // The last chunk, which may have padding: if ($i < $srcLen) { /** @var array<int, int> $chunk */ $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i)); $c0 = self::decode6Bits($chunk[1]); if ($i + 2 < $srcLen) { $c1 = self::decode6Bits($chunk[2]); $c2 = self::decode6Bits($chunk[3]); $dest .= pack( 'CC', ((($c0 << 2) | ($c1 >> 4)) & 0xff), ((($c1 << 4) | ($c2 >> 2)) & 0xff) ); $err |= ($c0 | $c1 | $c2) >> 8; } elseif ($i + 1 < $srcLen) { $c1 = self::decode6Bits($chunk[2]); $dest .= pack( 'C', ((($c0 << 2) | ($c1 >> 4)) & 0xff) ); $err |= ($c0 | $c1) >> 8; } elseif ($i < $srcLen && $strictPadding) { $err |= 1; } } /** @var bool $check */ $check = ($err === 0); if (!$check) { throw new RangeException( 'Base64::decode() only expects characters in the correct base64 alphabet' ); } return $dest; } // COPY ParagonIE_Sodium_Core_Base64_Common ENDING HERE /** * Uses bitwise operators instead of table-lookups to turn 6-bit integers * into 8-bit integers. * * Base64 character set: * [A-Z] [a-z] [0-9] + / * 0x41-0x5a, 0x61-0x7a, 0x30-0x39, 0x2b, 0x2f * * @param int $src * @return int */ protected static function decode6Bits($src) { $ret = -1; // if ($src > 0x40 && $src < 0x5b) $ret += $src - 0x41 + 1; // -64 $ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 64); // if ($src > 0x60 && $src < 0x7b) $ret += $src - 0x61 + 26 + 1; // -70 $ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 70); // if ($src > 0x2f && $src < 0x3a) $ret += $src - 0x30 + 52 + 1; // 5 $ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src + 5); // if ($src == 0x2b) $ret += 62 + 1; $ret += (((0x2a - $src) & ($src - 0x2c)) >> 8) & 63; // if ($src == 0x2f) ret += 63 + 1; $ret += (((0x2e - $src) & ($src - 0x30)) >> 8) & 64; return $ret; } /** * Uses bitwise operators instead of table-lookups to turn 8-bit integers * into 6-bit integers. * * @param int $src * @return string */ protected static function encode6Bits($src) { $diff = 0x41; // if ($src > 25) $diff += 0x61 - 0x41 - 26; // 6 $diff += ((25 - $src) >> 8) & 6; // if ($src > 51) $diff += 0x30 - 0x61 - 26; // -75 $diff -= ((51 - $src) >> 8) & 75; // if ($src > 61) $diff += 0x2b - 0x30 - 10; // -15 $diff -= ((61 - $src) >> 8) & 15; // if ($src > 62) $diff += 0x2f - 0x2b - 1; // 3 $diff += ((62 - $src) >> 8) & 3; return pack('C', $src + $diff); } } Core/Base64/UrlSafe.php 0000644 00000017063 14717743076 0010561 0 ustar 00 <?php /** * Class ParagonIE_Sodium_Core_Base64UrlSafe * * Copyright (c) 2016 - 2018 Paragon Initiative Enterprises. * Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com) */ class ParagonIE_Sodium_Core_Base64_UrlSafe { // COPY ParagonIE_Sodium_Core_Base64_Common STARTING HERE /** * Encode into Base64 * * Base64 character set "[A-Z][a-z][0-9]+/" * * @param string $src * @return string * @throws TypeError */ public static function encode($src) { return self::doEncode($src, true); } /** * Encode into Base64, no = padding * * Base64 character set "[A-Z][a-z][0-9]+/" * * @param string $src * @return string * @throws TypeError */ public static function encodeUnpadded($src) { return self::doEncode($src, false); } /** * @param string $src * @param bool $pad Include = padding? * @return string * @throws TypeError */ protected static function doEncode($src, $pad = true) { $dest = ''; $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); // Main loop (no padding): for ($i = 0; $i + 3 <= $srcLen; $i += 3) { /** @var array<int, int> $chunk */ $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 3)); $b0 = $chunk[1]; $b1 = $chunk[2]; $b2 = $chunk[3]; $dest .= self::encode6Bits( $b0 >> 2 ) . self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) . self::encode6Bits((($b1 << 2) | ($b2 >> 6)) & 63) . self::encode6Bits( $b2 & 63); } // The last chunk, which may have padding: if ($i < $srcLen) { /** @var array<int, int> $chunk */ $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i)); $b0 = $chunk[1]; if ($i + 1 < $srcLen) { $b1 = $chunk[2]; $dest .= self::encode6Bits($b0 >> 2) . self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) . self::encode6Bits(($b1 << 2) & 63); if ($pad) { $dest .= '='; } } else { $dest .= self::encode6Bits( $b0 >> 2) . self::encode6Bits(($b0 << 4) & 63); if ($pad) { $dest .= '=='; } } } return $dest; } /** * decode from base64 into binary * * Base64 character set "./[A-Z][a-z][0-9]" * * @param string $src * @param bool $strictPadding * @return string * @throws RangeException * @throws TypeError * @psalm-suppress RedundantCondition */ public static function decode($src, $strictPadding = false) { // Remove padding $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); if ($srcLen === 0) { return ''; } if ($strictPadding) { if (($srcLen & 3) === 0) { if ($src[$srcLen - 1] === '=') { $srcLen--; if ($src[$srcLen - 1] === '=') { $srcLen--; } } } if (($srcLen & 3) === 1) { throw new RangeException( 'Incorrect padding' ); } if ($src[$srcLen - 1] === '=') { throw new RangeException( 'Incorrect padding' ); } } else { $src = rtrim($src, '='); $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); } $err = 0; $dest = ''; // Main loop (no padding): for ($i = 0; $i + 4 <= $srcLen; $i += 4) { /** @var array<int, int> $chunk */ $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 4)); $c0 = self::decode6Bits($chunk[1]); $c1 = self::decode6Bits($chunk[2]); $c2 = self::decode6Bits($chunk[3]); $c3 = self::decode6Bits($chunk[4]); $dest .= pack( 'CCC', ((($c0 << 2) | ($c1 >> 4)) & 0xff), ((($c1 << 4) | ($c2 >> 2)) & 0xff), ((($c2 << 6) | $c3) & 0xff) ); $err |= ($c0 | $c1 | $c2 | $c3) >> 8; } // The last chunk, which may have padding: if ($i < $srcLen) { /** @var array<int, int> $chunk */ $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i)); $c0 = self::decode6Bits($chunk[1]); if ($i + 2 < $srcLen) { $c1 = self::decode6Bits($chunk[2]); $c2 = self::decode6Bits($chunk[3]); $dest .= pack( 'CC', ((($c0 << 2) | ($c1 >> 4)) & 0xff), ((($c1 << 4) | ($c2 >> 2)) & 0xff) ); $err |= ($c0 | $c1 | $c2) >> 8; } elseif ($i + 1 < $srcLen) { $c1 = self::decode6Bits($chunk[2]); $dest .= pack( 'C', ((($c0 << 2) | ($c1 >> 4)) & 0xff) ); $err |= ($c0 | $c1) >> 8; } elseif ($i < $srcLen && $strictPadding) { $err |= 1; } } /** @var bool $check */ $check = ($err === 0); if (!$check) { throw new RangeException( 'Base64::decode() only expects characters in the correct base64 alphabet' ); } return $dest; } // COPY ParagonIE_Sodium_Core_Base64_Common ENDING HERE /** * Uses bitwise operators instead of table-lookups to turn 6-bit integers * into 8-bit integers. * * Base64 character set: * [A-Z] [a-z] [0-9] + / * 0x41-0x5a, 0x61-0x7a, 0x30-0x39, 0x2b, 0x2f * * @param int $src * @return int */ protected static function decode6Bits($src) { $ret = -1; // if ($src > 0x40 && $src < 0x5b) $ret += $src - 0x41 + 1; // -64 $ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 64); // if ($src > 0x60 && $src < 0x7b) $ret += $src - 0x61 + 26 + 1; // -70 $ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 70); // if ($src > 0x2f && $src < 0x3a) $ret += $src - 0x30 + 52 + 1; // 5 $ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src + 5); // if ($src == 0x2c) $ret += 62 + 1; $ret += (((0x2c - $src) & ($src - 0x2e)) >> 8) & 63; // if ($src == 0x5f) ret += 63 + 1; $ret += (((0x5e - $src) & ($src - 0x60)) >> 8) & 64; return $ret; } /** * Uses bitwise operators instead of table-lookups to turn 8-bit integers * into 6-bit integers. * * @param int $src * @return string */ protected static function encode6Bits($src) { $diff = 0x41; // if ($src > 25) $diff += 0x61 - 0x41 - 26; // 6 $diff += ((25 - $src) >> 8) & 6; // if ($src > 51) $diff += 0x30 - 0x61 - 26; // -75 $diff -= ((51 - $src) >> 8) & 75; // if ($src > 61) $diff += 0x2d - 0x30 - 10; // -13 $diff -= ((61 - $src) >> 8) & 13; // if ($src > 62) $diff += 0x5f - 0x2b - 1; // 3 $diff += ((62 - $src) >> 8) & 49; return pack('C', $src + $diff); } } Core/Util.php 0000604 00000070373 14717743076 0007110 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_Util', false)) { return; } /** * Class ParagonIE_Sodium_Core_Util */ abstract class ParagonIE_Sodium_Core_Util { const U32_MAX = 0xFFFFFFFF; /** * @param int $integer * @param int $size (16, 32, 64) * @return int */ public static function abs($integer, $size = 0) { /** @var int $realSize */ $realSize = (PHP_INT_SIZE << 3) - 1; if ($size) { --$size; } else { /** @var int $size */ $size = $realSize; } $negative = -(($integer >> $size) & 1); return (int) ( ($integer ^ $negative) + (($negative >> $realSize) & 1) ); } /** * @param string $a * @param string $b * @return string * @throws SodiumException */ public static function andStrings($a, $b) { /* Type checks: */ if (!is_string($a)) { throw new TypeError('Argument 1 must be a string'); } if (!is_string($b)) { throw new TypeError('Argument 2 must be a string'); } $len = self::strlen($a); if (self::strlen($b) !== $len) { throw new SodiumException('Both strings must be of equal length to combine with bitwise AND'); } return $a & $b; } /** * Convert a binary string into a hexadecimal string without cache-timing * leaks * * @internal You should not use this directly from another application * * @param string $binaryString (raw binary) * @return string * @throws TypeError */ public static function bin2hex($binaryString) { /* Type checks: */ if (!is_string($binaryString)) { throw new TypeError('Argument 1 must be a string, ' . gettype($binaryString) . ' given.'); } $hex = ''; $len = self::strlen($binaryString); for ($i = 0; $i < $len; ++$i) { /** @var array<int, int> $chunk */ $chunk = unpack('C', $binaryString[$i]); /** @var int $c */ $c = $chunk[1] & 0xf; /** @var int $b */ $b = $chunk[1] >> 4; $hex .= pack( 'CC', (87 + $b + ((($b - 10) >> 8) & ~38)), (87 + $c + ((($c - 10) >> 8) & ~38)) ); } return $hex; } /** * Convert a binary string into a hexadecimal string without cache-timing * leaks, returning uppercase letters (as per RFC 4648) * * @internal You should not use this directly from another application * * @param string $bin_string (raw binary) * @return string * @throws TypeError */ public static function bin2hexUpper($bin_string) { $hex = ''; $len = self::strlen($bin_string); for ($i = 0; $i < $len; ++$i) { /** @var array<int, int> $chunk */ $chunk = unpack('C', $bin_string[$i]); /** * Lower 16 bits * * @var int $c */ $c = $chunk[1] & 0xf; /** * Upper 16 bits * @var int $b */ $b = $chunk[1] >> 4; /** * Use pack() and binary operators to turn the two integers * into hexadecimal characters. We don't use chr() here, because * it uses a lookup table internally and we want to avoid * cache-timing side-channels. */ $hex .= pack( 'CC', (55 + $b + ((($b - 10) >> 8) & ~6)), (55 + $c + ((($c - 10) >> 8) & ~6)) ); } return $hex; } /** * Cache-timing-safe variant of ord() * * @internal You should not use this directly from another application * * @param string $chr * @return int * @throws SodiumException * @throws TypeError */ public static function chrToInt($chr) { /* Type checks: */ if (!is_string($chr)) { throw new TypeError('Argument 1 must be a string, ' . gettype($chr) . ' given.'); } if (self::strlen($chr) !== 1) { throw new SodiumException('chrToInt() expects a string that is exactly 1 character long'); } /** @var array<int, int> $chunk */ $chunk = unpack('C', $chr); return (int) ($chunk[1]); } /** * Compares two strings. * * @internal You should not use this directly from another application * * @param string $left * @param string $right * @param int $len * @return int * @throws SodiumException * @throws TypeError */ public static function compare($left, $right, $len = null) { $leftLen = self::strlen($left); $rightLen = self::strlen($right); if ($len === null) { $len = max($leftLen, $rightLen); $left = str_pad($left, $len, "\x00", STR_PAD_RIGHT); $right = str_pad($right, $len, "\x00", STR_PAD_RIGHT); } $gt = 0; $eq = 1; $i = $len; while ($i !== 0) { --$i; $gt |= ((self::chrToInt($right[$i]) - self::chrToInt($left[$i])) >> 8) & $eq; $eq &= ((self::chrToInt($right[$i]) ^ self::chrToInt($left[$i])) - 1) >> 8; } return ($gt + $gt + $eq) - 1; } /** * If a variable does not match a given type, throw a TypeError. * * @param mixed $mixedVar * @param string $type * @param int $argumentIndex * @throws TypeError * @throws SodiumException * @return void */ public static function declareScalarType(&$mixedVar = null, $type = 'void', $argumentIndex = 0) { if (func_num_args() === 0) { /* Tautology, by default */ return; } if (func_num_args() === 1) { throw new TypeError('Declared void, but passed a variable'); } $realType = strtolower(gettype($mixedVar)); $type = strtolower($type); switch ($type) { case 'null': if ($mixedVar !== null) { throw new TypeError('Argument ' . $argumentIndex . ' must be null, ' . $realType . ' given.'); } break; case 'integer': case 'int': $allow = array('int', 'integer'); if (!in_array($type, $allow)) { throw new TypeError('Argument ' . $argumentIndex . ' must be an integer, ' . $realType . ' given.'); } $mixedVar = (int) $mixedVar; break; case 'boolean': case 'bool': $allow = array('bool', 'boolean'); if (!in_array($type, $allow)) { throw new TypeError('Argument ' . $argumentIndex . ' must be a boolean, ' . $realType . ' given.'); } $mixedVar = (bool) $mixedVar; break; case 'string': if (!is_string($mixedVar)) { throw new TypeError('Argument ' . $argumentIndex . ' must be a string, ' . $realType . ' given.'); } $mixedVar = (string) $mixedVar; break; case 'decimal': case 'double': case 'float': $allow = array('decimal', 'double', 'float'); if (!in_array($type, $allow)) { throw new TypeError('Argument ' . $argumentIndex . ' must be a float, ' . $realType . ' given.'); } $mixedVar = (float) $mixedVar; break; case 'object': if (!is_object($mixedVar)) { throw new TypeError('Argument ' . $argumentIndex . ' must be an object, ' . $realType . ' given.'); } break; case 'array': if (!is_array($mixedVar)) { if (is_object($mixedVar)) { if ($mixedVar instanceof ArrayAccess) { return; } } throw new TypeError('Argument ' . $argumentIndex . ' must be an array, ' . $realType . ' given.'); } break; default: throw new SodiumException('Unknown type (' . $realType .') does not match expect type (' . $type . ')'); } } /** * Evaluate whether or not two strings are equal (in constant-time) * * @param string $left * @param string $right * @return bool * @throws SodiumException * @throws TypeError */ public static function hashEquals($left, $right) { /* Type checks: */ if (!is_string($left)) { throw new TypeError('Argument 1 must be a string, ' . gettype($left) . ' given.'); } if (!is_string($right)) { throw new TypeError('Argument 2 must be a string, ' . gettype($right) . ' given.'); } if (is_callable('hash_equals')) { return hash_equals($left, $right); } $d = 0; /** @var int $len */ $len = self::strlen($left); if ($len !== self::strlen($right)) { return false; } for ($i = 0; $i < $len; ++$i) { $d |= self::chrToInt($left[$i]) ^ self::chrToInt($right[$i]); } if ($d !== 0) { return false; } return $left === $right; } /** * Catch hash_update() failures and throw instead of silently proceeding * * @param HashContext|resource &$hs * @param string $data * @return void * @throws SodiumException * @psalm-suppress PossiblyInvalidArgument */ protected static function hash_update(&$hs, $data) { if (!hash_update($hs, $data)) { throw new SodiumException('hash_update() failed'); } } /** * Convert a hexadecimal string into a binary string without cache-timing * leaks * * @internal You should not use this directly from another application * * @param string $hexString * @param string $ignore * @param bool $strictPadding * @return string (raw binary) * @throws RangeException * @throws TypeError */ public static function hex2bin($hexString, $ignore = '', $strictPadding = false) { /* Type checks: */ if (!is_string($hexString)) { throw new TypeError('Argument 1 must be a string, ' . gettype($hexString) . ' given.'); } if (!is_string($ignore)) { throw new TypeError('Argument 2 must be a string, ' . gettype($hexString) . ' given.'); } $hex_pos = 0; $bin = ''; $c_acc = 0; $hex_len = self::strlen($hexString); $state = 0; if (($hex_len & 1) !== 0) { if ($strictPadding) { throw new RangeException( 'Expected an even number of hexadecimal characters' ); } else { $hexString = '0' . $hexString; ++$hex_len; } } $chunk = unpack('C*', $hexString); while ($hex_pos < $hex_len) { ++$hex_pos; /** @var int $c */ $c = $chunk[$hex_pos]; $c_num = $c ^ 48; $c_num0 = ($c_num - 10) >> 8; $c_alpha = ($c & ~32) - 55; $c_alpha0 = (($c_alpha - 10) ^ ($c_alpha - 16)) >> 8; if (($c_num0 | $c_alpha0) === 0) { if ($ignore && $state === 0 && strpos($ignore, self::intToChr($c)) !== false) { continue; } throw new RangeException( 'hex2bin() only expects hexadecimal characters' ); } $c_val = ($c_num0 & $c_num) | ($c_alpha & $c_alpha0); if ($state === 0) { $c_acc = $c_val * 16; } else { $bin .= pack('C', $c_acc | $c_val); } $state ^= 1; } return $bin; } /** * Turn an array of integers into a string * * @internal You should not use this directly from another application * * @param array<int, int> $ints * @return string */ public static function intArrayToString(array $ints) { $args = $ints; foreach ($args as $i => $v) { $args[$i] = (int) ($v & 0xff); } array_unshift($args, str_repeat('C', count($ints))); return (string) (call_user_func_array('pack', $args)); } /** * Cache-timing-safe variant of ord() * * @internal You should not use this directly from another application * * @param int $int * @return string * @throws TypeError */ public static function intToChr($int) { return pack('C', $int); } /** * Load a 3 character substring into an integer * * @internal You should not use this directly from another application * * @param string $string * @return int * @throws RangeException * @throws TypeError */ public static function load_3($string) { /* Type checks: */ if (!is_string($string)) { throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.'); } /* Input validation: */ if (self::strlen($string) < 3) { throw new RangeException( 'String must be 3 bytes or more; ' . self::strlen($string) . ' given.' ); } /** @var array<int, int> $unpacked */ $unpacked = unpack('V', $string . "\0"); return (int) ($unpacked[1] & 0xffffff); } /** * Load a 4 character substring into an integer * * @internal You should not use this directly from another application * * @param string $string * @return int * @throws RangeException * @throws TypeError */ public static function load_4($string) { /* Type checks: */ if (!is_string($string)) { throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.'); } /* Input validation: */ if (self::strlen($string) < 4) { throw new RangeException( 'String must be 4 bytes or more; ' . self::strlen($string) . ' given.' ); } /** @var array<int, int> $unpacked */ $unpacked = unpack('V', $string); return (int) $unpacked[1]; } /** * Load a 8 character substring into an integer * * @internal You should not use this directly from another application * * @param string $string * @return int * @throws RangeException * @throws SodiumException * @throws TypeError */ public static function load64_le($string) { /* Type checks: */ if (!is_string($string)) { throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.'); } /* Input validation: */ if (self::strlen($string) < 4) { throw new RangeException( 'String must be 4 bytes or more; ' . self::strlen($string) . ' given.' ); } if (PHP_VERSION_ID >= 50603 && PHP_INT_SIZE === 8) { /** @var array<int, int> $unpacked */ $unpacked = unpack('P', $string); return (int) $unpacked[1]; } /** @var int $result */ $result = (self::chrToInt($string[0]) & 0xff); $result |= (self::chrToInt($string[1]) & 0xff) << 8; $result |= (self::chrToInt($string[2]) & 0xff) << 16; $result |= (self::chrToInt($string[3]) & 0xff) << 24; $result |= (self::chrToInt($string[4]) & 0xff) << 32; $result |= (self::chrToInt($string[5]) & 0xff) << 40; $result |= (self::chrToInt($string[6]) & 0xff) << 48; $result |= (self::chrToInt($string[7]) & 0xff) << 56; return (int) $result; } /** * @internal You should not use this directly from another application * * @param string $left * @param string $right * @return int * @throws SodiumException * @throws TypeError */ public static function memcmp($left, $right) { if (self::hashEquals($left, $right)) { return 0; } return -1; } /** * Multiply two integers in constant-time * * Micro-architecture timing side-channels caused by how your CPU * implements multiplication are best prevented by never using the * multiplication operators and ensuring that our code always takes * the same number of operations to complete, regardless of the values * of $a and $b. * * @internal You should not use this directly from another application * * @param int $a * @param int $b * @param int $size Limits the number of operations (useful for small, * constant operands) * @return int */ public static function mul($a, $b, $size = 0) { if (ParagonIE_Sodium_Compat::$fastMult) { return (int) ($a * $b); } static $defaultSize = null; /** @var int $defaultSize */ if (!$defaultSize) { /** @var int $defaultSize */ $defaultSize = (PHP_INT_SIZE << 3) - 1; } if ($size < 1) { /** @var int $size */ $size = $defaultSize; } /** @var int $size */ $c = 0; /** * Mask is either -1 or 0. * * -1 in binary looks like 0x1111 ... 1111 * 0 in binary looks like 0x0000 ... 0000 * * @var int */ $mask = -(($b >> ((int) $defaultSize)) & 1); /** * Ensure $b is a positive integer, without creating * a branching side-channel * * @var int $b */ $b = ($b & ~$mask) | ($mask & -$b); /** * Unless $size is provided: * * This loop always runs 32 times when PHP_INT_SIZE is 4. * This loop always runs 64 times when PHP_INT_SIZE is 8. */ for ($i = $size; $i >= 0; --$i) { $c += (int) ($a & -($b & 1)); $a <<= 1; $b >>= 1; } $c = (int) @($c & -1); /** * If $b was negative, we then apply the same value to $c here. * It doesn't matter much if $a was negative; the $c += above would * have produced a negative integer to begin with. But a negative $b * makes $b >>= 1 never return 0, so we would end up with incorrect * results. * * The end result is what we'd expect from integer multiplication. */ return (int) (($c & ~$mask) | ($mask & -$c)); } /** * Convert any arbitrary numbers into two 32-bit integers that represent * a 64-bit integer. * * @internal You should not use this directly from another application * * @param int|float $num * @return array<int, int> */ public static function numericTo64BitInteger($num) { $high = 0; /** @var int $low */ if (PHP_INT_SIZE === 4) { $low = (int) $num; } else { $low = $num & 0xffffffff; } if ((+(abs($num))) >= 1) { if ($num > 0) { /** @var int $high */ $high = min((+(floor($num/4294967296))), 4294967295); } else { /** @var int $high */ $high = ~~((+(ceil(($num - (+((~~($num)))))/4294967296)))); } } return array((int) $high, (int) $low); } /** * Store a 24-bit integer into a string, treating it as big-endian. * * @internal You should not use this directly from another application * * @param int $int * @return string * @throws TypeError */ public static function store_3($int) { /* Type checks: */ if (!is_int($int)) { if (is_numeric($int)) { $int = (int) $int; } else { throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.'); } } /** @var string $packed */ $packed = pack('N', $int); return self::substr($packed, 1, 3); } /** * Store a 32-bit integer into a string, treating it as little-endian. * * @internal You should not use this directly from another application * * @param int $int * @return string * @throws TypeError */ public static function store32_le($int) { /* Type checks: */ if (!is_int($int)) { if (is_numeric($int)) { $int = (int) $int; } else { throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.'); } } /** @var string $packed */ $packed = pack('V', $int); return $packed; } /** * Store a 32-bit integer into a string, treating it as big-endian. * * @internal You should not use this directly from another application * * @param int $int * @return string * @throws TypeError */ public static function store_4($int) { /* Type checks: */ if (!is_int($int)) { if (is_numeric($int)) { $int = (int) $int; } else { throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.'); } } /** @var string $packed */ $packed = pack('N', $int); return $packed; } /** * Stores a 64-bit integer as an string, treating it as little-endian. * * @internal You should not use this directly from another application * * @param int $int * @return string * @throws TypeError */ public static function store64_le($int) { /* Type checks: */ if (!is_int($int)) { if (is_numeric($int)) { $int = (int) $int; } else { throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.'); } } if (PHP_INT_SIZE === 8) { if (PHP_VERSION_ID >= 50603) { /** @var string $packed */ $packed = pack('P', $int); return $packed; } return self::intToChr($int & 0xff) . self::intToChr(($int >> 8) & 0xff) . self::intToChr(($int >> 16) & 0xff) . self::intToChr(($int >> 24) & 0xff) . self::intToChr(($int >> 32) & 0xff) . self::intToChr(($int >> 40) & 0xff) . self::intToChr(($int >> 48) & 0xff) . self::intToChr(($int >> 56) & 0xff); } if ($int > PHP_INT_MAX) { list($hiB, $int) = self::numericTo64BitInteger($int); } else { $hiB = 0; } return self::intToChr(($int ) & 0xff) . self::intToChr(($int >> 8) & 0xff) . self::intToChr(($int >> 16) & 0xff) . self::intToChr(($int >> 24) & 0xff) . self::intToChr($hiB & 0xff) . self::intToChr(($hiB >> 8) & 0xff) . self::intToChr(($hiB >> 16) & 0xff) . self::intToChr(($hiB >> 24) & 0xff); } /** * Safe string length * * @internal You should not use this directly from another application * * @ref mbstring.func_overload * * @param string $str * @return int * @throws TypeError */ public static function strlen($str) { /* Type checks: */ if (!is_string($str)) { throw new TypeError('String expected'); } return (int) ( self::isMbStringOverride() ? mb_strlen($str, '8bit') : strlen($str) ); } /** * Turn a string into an array of integers * * @internal You should not use this directly from another application * * @param string $string * @return array<int, int> * @throws TypeError */ public static function stringToIntArray($string) { if (!is_string($string)) { throw new TypeError('String expected'); } /** * @var array<int, int> */ $values = array_values( unpack('C*', $string) ); return $values; } /** * Safe substring * * @internal You should not use this directly from another application * * @ref mbstring.func_overload * * @param string $str * @param int $start * @param int $length * @return string * @throws TypeError */ public static function substr($str, $start = 0, $length = null) { /* Type checks: */ if (!is_string($str)) { throw new TypeError('String expected'); } if ($length === 0) { return ''; } if (self::isMbStringOverride()) { if (PHP_VERSION_ID < 50400 && $length === null) { $length = self::strlen($str); } $sub = (string) mb_substr($str, $start, $length, '8bit'); } elseif ($length === null) { $sub = (string) substr($str, $start); } else { $sub = (string) substr($str, $start, $length); } if ($sub !== '') { return $sub; } return ''; } /** * Compare a 16-character byte string in constant time. * * @internal You should not use this directly from another application * * @param string $a * @param string $b * @return bool * @throws SodiumException * @throws TypeError */ public static function verify_16($a, $b) { /* Type checks: */ if (!is_string($a)) { throw new TypeError('String expected'); } if (!is_string($b)) { throw new TypeError('String expected'); } return self::hashEquals( self::substr($a, 0, 16), self::substr($b, 0, 16) ); } /** * Compare a 32-character byte string in constant time. * * @internal You should not use this directly from another application * * @param string $a * @param string $b * @return bool * @throws SodiumException * @throws TypeError */ public static function verify_32($a, $b) { /* Type checks: */ if (!is_string($a)) { throw new TypeError('String expected'); } if (!is_string($b)) { throw new TypeError('String expected'); } return self::hashEquals( self::substr($a, 0, 32), self::substr($b, 0, 32) ); } /** * Calculate $a ^ $b for two strings. * * @internal You should not use this directly from another application * * @param string $a * @param string $b * @return string * @throws TypeError */ public static function xorStrings($a, $b) { /* Type checks: */ if (!is_string($a)) { throw new TypeError('Argument 1 must be a string'); } if (!is_string($b)) { throw new TypeError('Argument 2 must be a string'); } return (string) ($a ^ $b); } /** * Returns whether or not mbstring.func_overload is in effect. * * @internal You should not use this directly from another application * * Note: MB_OVERLOAD_STRING === 2, but we don't reference the constant * (for nuisance-free PHP 8 support) * * @return bool */ protected static function isMbStringOverride() { static $mbstring = null; if ($mbstring === null) { if (!defined('MB_OVERLOAD_STRING')) { $mbstring = false; return $mbstring; } $mbstring = extension_loaded('mbstring') && defined('MB_OVERLOAD_STRING') && ((int) (ini_get('mbstring.func_overload')) & 2); // MB_OVERLOAD_STRING === 2 } /** @var bool $mbstring */ return $mbstring; } } Core/ChaCha20.php 0000644 00000031206 14717743076 0007440 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_ChaCha20', false)) { return; } /** * Class ParagonIE_Sodium_Core_ChaCha20 */ class ParagonIE_Sodium_Core_ChaCha20 extends ParagonIE_Sodium_Core_Util { /** * Bitwise left rotation * * @internal You should not use this directly from another application * * @param int $v * @param int $n * @return int */ public static function rotate($v, $n) { $v &= 0xffffffff; $n &= 31; return (int) ( 0xffffffff & ( ($v << $n) | ($v >> (32 - $n)) ) ); } /** * The ChaCha20 quarter round function. Works on four 32-bit integers. * * @internal You should not use this directly from another application * * @param int $a * @param int $b * @param int $c * @param int $d * @return array<int, int> */ protected static function quarterRound($a, $b, $c, $d) { # a = PLUS(a,b); d = ROTATE(XOR(d,a),16); /** @var int $a */ $a = ($a + $b) & 0xffffffff; $d = self::rotate($d ^ $a, 16); # c = PLUS(c,d); b = ROTATE(XOR(b,c),12); /** @var int $c */ $c = ($c + $d) & 0xffffffff; $b = self::rotate($b ^ $c, 12); # a = PLUS(a,b); d = ROTATE(XOR(d,a), 8); /** @var int $a */ $a = ($a + $b) & 0xffffffff; $d = self::rotate($d ^ $a, 8); # c = PLUS(c,d); b = ROTATE(XOR(b,c), 7); /** @var int $c */ $c = ($c + $d) & 0xffffffff; $b = self::rotate($b ^ $c, 7); return array((int) $a, (int) $b, (int) $c, (int) $d); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core_ChaCha20_Ctx $ctx * @param string $message * * @return string * @throws TypeError * @throws SodiumException */ public static function encryptBytes( ParagonIE_Sodium_Core_ChaCha20_Ctx $ctx, $message = '' ) { $bytes = self::strlen($message); /* j0 = ctx->input[0]; j1 = ctx->input[1]; j2 = ctx->input[2]; j3 = ctx->input[3]; j4 = ctx->input[4]; j5 = ctx->input[5]; j6 = ctx->input[6]; j7 = ctx->input[7]; j8 = ctx->input[8]; j9 = ctx->input[9]; j10 = ctx->input[10]; j11 = ctx->input[11]; j12 = ctx->input[12]; j13 = ctx->input[13]; j14 = ctx->input[14]; j15 = ctx->input[15]; */ $j0 = (int) $ctx[0]; $j1 = (int) $ctx[1]; $j2 = (int) $ctx[2]; $j3 = (int) $ctx[3]; $j4 = (int) $ctx[4]; $j5 = (int) $ctx[5]; $j6 = (int) $ctx[6]; $j7 = (int) $ctx[7]; $j8 = (int) $ctx[8]; $j9 = (int) $ctx[9]; $j10 = (int) $ctx[10]; $j11 = (int) $ctx[11]; $j12 = (int) $ctx[12]; $j13 = (int) $ctx[13]; $j14 = (int) $ctx[14]; $j15 = (int) $ctx[15]; $c = ''; for (;;) { if ($bytes < 64) { $message .= str_repeat("\x00", 64 - $bytes); } $x0 = (int) $j0; $x1 = (int) $j1; $x2 = (int) $j2; $x3 = (int) $j3; $x4 = (int) $j4; $x5 = (int) $j5; $x6 = (int) $j6; $x7 = (int) $j7; $x8 = (int) $j8; $x9 = (int) $j9; $x10 = (int) $j10; $x11 = (int) $j11; $x12 = (int) $j12; $x13 = (int) $j13; $x14 = (int) $j14; $x15 = (int) $j15; # for (i = 20; i > 0; i -= 2) { for ($i = 20; $i > 0; $i -= 2) { # QUARTERROUND( x0, x4, x8, x12) list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12); # QUARTERROUND( x1, x5, x9, x13) list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13); # QUARTERROUND( x2, x6, x10, x14) list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14); # QUARTERROUND( x3, x7, x11, x15) list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15); # QUARTERROUND( x0, x5, x10, x15) list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15); # QUARTERROUND( x1, x6, x11, x12) list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12); # QUARTERROUND( x2, x7, x8, x13) list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13); # QUARTERROUND( x3, x4, x9, x14) list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14); } /* x0 = PLUS(x0, j0); x1 = PLUS(x1, j1); x2 = PLUS(x2, j2); x3 = PLUS(x3, j3); x4 = PLUS(x4, j4); x5 = PLUS(x5, j5); x6 = PLUS(x6, j6); x7 = PLUS(x7, j7); x8 = PLUS(x8, j8); x9 = PLUS(x9, j9); x10 = PLUS(x10, j10); x11 = PLUS(x11, j11); x12 = PLUS(x12, j12); x13 = PLUS(x13, j13); x14 = PLUS(x14, j14); x15 = PLUS(x15, j15); */ /** @var int $x0 */ $x0 = ($x0 & 0xffffffff) + $j0; /** @var int $x1 */ $x1 = ($x1 & 0xffffffff) + $j1; /** @var int $x2 */ $x2 = ($x2 & 0xffffffff) + $j2; /** @var int $x3 */ $x3 = ($x3 & 0xffffffff) + $j3; /** @var int $x4 */ $x4 = ($x4 & 0xffffffff) + $j4; /** @var int $x5 */ $x5 = ($x5 & 0xffffffff) + $j5; /** @var int $x6 */ $x6 = ($x6 & 0xffffffff) + $j6; /** @var int $x7 */ $x7 = ($x7 & 0xffffffff) + $j7; /** @var int $x8 */ $x8 = ($x8 & 0xffffffff) + $j8; /** @var int $x9 */ $x9 = ($x9 & 0xffffffff) + $j9; /** @var int $x10 */ $x10 = ($x10 & 0xffffffff) + $j10; /** @var int $x11 */ $x11 = ($x11 & 0xffffffff) + $j11; /** @var int $x12 */ $x12 = ($x12 & 0xffffffff) + $j12; /** @var int $x13 */ $x13 = ($x13 & 0xffffffff) + $j13; /** @var int $x14 */ $x14 = ($x14 & 0xffffffff) + $j14; /** @var int $x15 */ $x15 = ($x15 & 0xffffffff) + $j15; /* x0 = XOR(x0, LOAD32_LE(m + 0)); x1 = XOR(x1, LOAD32_LE(m + 4)); x2 = XOR(x2, LOAD32_LE(m + 8)); x3 = XOR(x3, LOAD32_LE(m + 12)); x4 = XOR(x4, LOAD32_LE(m + 16)); x5 = XOR(x5, LOAD32_LE(m + 20)); x6 = XOR(x6, LOAD32_LE(m + 24)); x7 = XOR(x7, LOAD32_LE(m + 28)); x8 = XOR(x8, LOAD32_LE(m + 32)); x9 = XOR(x9, LOAD32_LE(m + 36)); x10 = XOR(x10, LOAD32_LE(m + 40)); x11 = XOR(x11, LOAD32_LE(m + 44)); x12 = XOR(x12, LOAD32_LE(m + 48)); x13 = XOR(x13, LOAD32_LE(m + 52)); x14 = XOR(x14, LOAD32_LE(m + 56)); x15 = XOR(x15, LOAD32_LE(m + 60)); */ $x0 ^= self::load_4(self::substr($message, 0, 4)); $x1 ^= self::load_4(self::substr($message, 4, 4)); $x2 ^= self::load_4(self::substr($message, 8, 4)); $x3 ^= self::load_4(self::substr($message, 12, 4)); $x4 ^= self::load_4(self::substr($message, 16, 4)); $x5 ^= self::load_4(self::substr($message, 20, 4)); $x6 ^= self::load_4(self::substr($message, 24, 4)); $x7 ^= self::load_4(self::substr($message, 28, 4)); $x8 ^= self::load_4(self::substr($message, 32, 4)); $x9 ^= self::load_4(self::substr($message, 36, 4)); $x10 ^= self::load_4(self::substr($message, 40, 4)); $x11 ^= self::load_4(self::substr($message, 44, 4)); $x12 ^= self::load_4(self::substr($message, 48, 4)); $x13 ^= self::load_4(self::substr($message, 52, 4)); $x14 ^= self::load_4(self::substr($message, 56, 4)); $x15 ^= self::load_4(self::substr($message, 60, 4)); /* j12 = PLUSONE(j12); if (!j12) { j13 = PLUSONE(j13); } */ ++$j12; if ($j12 & 0xf0000000) { throw new SodiumException('Overflow'); } /* STORE32_LE(c + 0, x0); STORE32_LE(c + 4, x1); STORE32_LE(c + 8, x2); STORE32_LE(c + 12, x3); STORE32_LE(c + 16, x4); STORE32_LE(c + 20, x5); STORE32_LE(c + 24, x6); STORE32_LE(c + 28, x7); STORE32_LE(c + 32, x8); STORE32_LE(c + 36, x9); STORE32_LE(c + 40, x10); STORE32_LE(c + 44, x11); STORE32_LE(c + 48, x12); STORE32_LE(c + 52, x13); STORE32_LE(c + 56, x14); STORE32_LE(c + 60, x15); */ $block = self::store32_le((int) ($x0 & 0xffffffff)) . self::store32_le((int) ($x1 & 0xffffffff)) . self::store32_le((int) ($x2 & 0xffffffff)) . self::store32_le((int) ($x3 & 0xffffffff)) . self::store32_le((int) ($x4 & 0xffffffff)) . self::store32_le((int) ($x5 & 0xffffffff)) . self::store32_le((int) ($x6 & 0xffffffff)) . self::store32_le((int) ($x7 & 0xffffffff)) . self::store32_le((int) ($x8 & 0xffffffff)) . self::store32_le((int) ($x9 & 0xffffffff)) . self::store32_le((int) ($x10 & 0xffffffff)) . self::store32_le((int) ($x11 & 0xffffffff)) . self::store32_le((int) ($x12 & 0xffffffff)) . self::store32_le((int) ($x13 & 0xffffffff)) . self::store32_le((int) ($x14 & 0xffffffff)) . self::store32_le((int) ($x15 & 0xffffffff)); /* Partial block */ if ($bytes < 64) { $c .= self::substr($block, 0, $bytes); break; } /* Full block */ $c .= $block; $bytes -= 64; if ($bytes <= 0) { break; } $message = self::substr($message, 64); } /* end for(;;) loop */ $ctx[12] = $j12; $ctx[13] = $j13; return $c; } /** * @internal You should not use this directly from another application * * @param int $len * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function stream($len = 64, $nonce = '', $key = '') { return self::encryptBytes( new ParagonIE_Sodium_Core_ChaCha20_Ctx($key, $nonce), str_repeat("\x00", $len) ); } /** * @internal You should not use this directly from another application * * @param int $len * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function ietfStream($len, $nonce = '', $key = '') { return self::encryptBytes( new ParagonIE_Sodium_Core_ChaCha20_IetfCtx($key, $nonce), str_repeat("\x00", $len) ); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @param string $ic * @return string * @throws SodiumException * @throws TypeError */ public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '') { return self::encryptBytes( new ParagonIE_Sodium_Core_ChaCha20_IetfCtx($key, $nonce, $ic), $message ); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @param string $ic * @return string * @throws SodiumException * @throws TypeError */ public static function streamXorIc($message, $nonce = '', $key = '', $ic = '') { return self::encryptBytes( new ParagonIE_Sodium_Core_ChaCha20_Ctx($key, $nonce, $ic), $message ); } } Core/AEGIS/State256.php 0000604 00000014575 14717743076 0010342 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_AEGIS_State256', false)) { return; } if (!defined('SODIUM_COMPAT_AEGIS_C0')) { define('SODIUM_COMPAT_AEGIS_C0', "\x00\x01\x01\x02\x03\x05\x08\x0d\x15\x22\x37\x59\x90\xe9\x79\x62"); } if (!defined('SODIUM_COMPAT_AEGIS_C1')) { define('SODIUM_COMPAT_AEGIS_C1', "\xdb\x3d\x18\x55\x6d\xc2\x2f\xf1\x20\x11\x31\x42\x73\xb5\x28\xdd"); } class ParagonIE_Sodium_Core_AEGIS_State256 { /** @var array<int, string> $state */ protected $state; public function __construct() { $this->state = array_fill(0, 6, ''); } /** * @internal Only use this for unit tests! * @return string[] */ public function getState() { return array_values($this->state); } /** * @param array $input * @return self * @throws SodiumException * * @internal Only for unit tests */ public static function initForUnitTests(array $input) { if (count($input) < 6) { throw new SodiumException('invalid input'); } $state = new self(); for ($i = 0; $i < 6; ++$i) { $state->state[$i] = $input[$i]; } return $state; } /** * @param string $key * @param string $nonce * @return self */ public static function init($key, $nonce) { $state = new self(); $k0 = ParagonIE_Sodium_Core_Util::substr($key, 0, 16); $k1 = ParagonIE_Sodium_Core_Util::substr($key, 16, 16); $n0 = ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16); $n1 = ParagonIE_Sodium_Core_Util::substr($nonce, 16, 16); // S0 = k0 ^ n0 // S1 = k1 ^ n1 // S2 = C1 // S3 = C0 // S4 = k0 ^ C0 // S5 = k1 ^ C1 $k0_n0 = $k0 ^ $n0; $k1_n1 = $k1 ^ $n1; $state->state[0] = $k0_n0; $state->state[1] = $k1_n1; $state->state[2] = SODIUM_COMPAT_AEGIS_C1; $state->state[3] = SODIUM_COMPAT_AEGIS_C0; $state->state[4] = $k0 ^ SODIUM_COMPAT_AEGIS_C0; $state->state[5] = $k1 ^ SODIUM_COMPAT_AEGIS_C1; // Repeat(4, // Update(k0) // Update(k1) // Update(k0 ^ n0) // Update(k1 ^ n1) // ) for ($i = 0; $i < 4; ++$i) { $state->update($k0); $state->update($k1); $state->update($k0 ^ $n0); $state->update($k1 ^ $n1); } return $state; } /** * @param string $ai * @return self * @throws SodiumException */ public function absorb($ai) { if (ParagonIE_Sodium_Core_Util::strlen($ai) !== 16) { throw new SodiumException('Input must be an AES block in size'); } return $this->update($ai); } /** * @param string $ci * @return string * @throws SodiumException */ public function dec($ci) { if (ParagonIE_Sodium_Core_Util::strlen($ci) !== 16) { throw new SodiumException('Input must be an AES block in size'); } // z = S1 ^ S4 ^ S5 ^ (S2 & S3) $z = $this->state[1] ^ $this->state[4] ^ $this->state[5] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[2], $this->state[3]); $xi = $ci ^ $z; $this->update($xi); return $xi; } /** * @param string $cn * @return string */ public function decPartial($cn) { $len = ParagonIE_Sodium_Core_Util::strlen($cn); // z = S1 ^ S4 ^ S5 ^ (S2 & S3) $z = $this->state[1] ^ $this->state[4] ^ $this->state[5] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[2], $this->state[3]); // t = ZeroPad(cn, 128) $t = str_pad($cn, 16, "\0", STR_PAD_RIGHT); // out = t ^ z $out = $t ^ $z; // xn = Truncate(out, |cn|) $xn = ParagonIE_Sodium_Core_Util::substr($out, 0, $len); // v = ZeroPad(xn, 128) $v = str_pad($xn, 16, "\0", STR_PAD_RIGHT); // Update(v) $this->update($v); // return xn return $xn; } /** * @param string $xi * @return string * @throws SodiumException */ public function enc($xi) { if (ParagonIE_Sodium_Core_Util::strlen($xi) !== 16) { throw new SodiumException('Input must be an AES block in size'); } // z = S1 ^ S4 ^ S5 ^ (S2 & S3) $z = $this->state[1] ^ $this->state[4] ^ $this->state[5] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[2], $this->state[3]); $this->update($xi); return $xi ^ $z; } /** * @param int $ad_len_bits * @param int $msg_len_bits * @return string */ public function finalize($ad_len_bits, $msg_len_bits) { $encoded = ParagonIE_Sodium_Core_Util::store64_le($ad_len_bits) . ParagonIE_Sodium_Core_Util::store64_le($msg_len_bits); $t = $this->state[3] ^ $encoded; for ($i = 0; $i < 7; ++$i) { $this->update($t); } return ($this->state[0] ^ $this->state[1] ^ $this->state[2]) . ($this->state[3] ^ $this->state[4] ^ $this->state[5]); } /** * @param string $m * @return self */ public function update($m) { /* S'0 = AESRound(S5, S0 ^ M) S'1 = AESRound(S0, S1) S'2 = AESRound(S1, S2) S'3 = AESRound(S2, S3) S'4 = AESRound(S3, S4) S'5 = AESRound(S4, S5) */ list($s_0, $s_1) = ParagonIE_Sodium_Core_AES::doubleRound( $this->state[5],$this->state[0] ^ $m, $this->state[0], $this->state[1] ); list($s_2, $s_3) = ParagonIE_Sodium_Core_AES::doubleRound( $this->state[1], $this->state[2], $this->state[2], $this->state[3] ); list($s_4, $s_5) = ParagonIE_Sodium_Core_AES::doubleRound( $this->state[3], $this->state[4], $this->state[4], $this->state[5] ); /* S0 = S'0 S1 = S'1 S2 = S'2 S3 = S'3 S4 = S'4 S5 = S'5 */ $this->state[0] = $s_0; $this->state[1] = $s_1; $this->state[2] = $s_2; $this->state[3] = $s_3; $this->state[4] = $s_4; $this->state[5] = $s_5; return $this; } } Core/AEGIS/State128L.php 0000604 00000020052 14717743076 0010437 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_AEGIS_State128L', false)) { return; } if (!defined('SODIUM_COMPAT_AEGIS_C0')) { define('SODIUM_COMPAT_AEGIS_C0', "\x00\x01\x01\x02\x03\x05\x08\x0d\x15\x22\x37\x59\x90\xe9\x79\x62"); } if (!defined('SODIUM_COMPAT_AEGIS_C1')) { define('SODIUM_COMPAT_AEGIS_C1', "\xdb\x3d\x18\x55\x6d\xc2\x2f\xf1\x20\x11\x31\x42\x73\xb5\x28\xdd"); } class ParagonIE_Sodium_Core_AEGIS_State128L { /** @var array<int, string> $state */ protected $state; public function __construct() { $this->state = array_fill(0, 8, ''); } /** * @internal Only use this for unit tests! * @return string[] */ public function getState() { return array_values($this->state); } /** * @param array $input * @return self * @throws SodiumException * * @internal Only for unit tests */ public static function initForUnitTests(array $input) { if (count($input) < 8) { throw new SodiumException('invalid input'); } $state = new self(); for ($i = 0; $i < 8; ++$i) { $state->state[$i] = $input[$i]; } return $state; } /** * @param string $key * @param string $nonce * @return self */ public static function init($key, $nonce) { $state = new self(); // S0 = key ^ nonce $state->state[0] = $key ^ $nonce; // S1 = C1 $state->state[1] = SODIUM_COMPAT_AEGIS_C1; // S2 = C0 $state->state[2] = SODIUM_COMPAT_AEGIS_C0; // S3 = C1 $state->state[3] = SODIUM_COMPAT_AEGIS_C1; // S4 = key ^ nonce $state->state[4] = $key ^ $nonce; // S5 = key ^ C0 $state->state[5] = $key ^ SODIUM_COMPAT_AEGIS_C0; // S6 = key ^ C1 $state->state[6] = $key ^ SODIUM_COMPAT_AEGIS_C1; // S7 = key ^ C0 $state->state[7] = $key ^ SODIUM_COMPAT_AEGIS_C0; // Repeat(10, Update(nonce, key)) for ($i = 0; $i < 10; ++$i) { $state->update($nonce, $key); } return $state; } /** * @param string $ai * @return self */ public function absorb($ai) { if (ParagonIE_Sodium_Core_Util::strlen($ai) !== 32) { throw new SodiumException('Input must be two AES blocks in size'); } $t0 = ParagonIE_Sodium_Core_Util::substr($ai, 0, 16); $t1 = ParagonIE_Sodium_Core_Util::substr($ai, 16, 16); return $this->update($t0, $t1); } /** * @param string $ci * @return string * @throws SodiumException */ public function dec($ci) { if (ParagonIE_Sodium_Core_Util::strlen($ci) !== 32) { throw new SodiumException('Input must be two AES blocks in size'); } // z0 = S6 ^ S1 ^ (S2 & S3) $z0 = $this->state[6] ^ $this->state[1] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[2], $this->state[3]); // z1 = S2 ^ S5 ^ (S6 & S7) $z1 = $this->state[2] ^ $this->state[5] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[6], $this->state[7]); // t0, t1 = Split(xi, 128) $t0 = ParagonIE_Sodium_Core_Util::substr($ci, 0, 16); $t1 = ParagonIE_Sodium_Core_Util::substr($ci, 16, 16); // out0 = t0 ^ z0 // out1 = t1 ^ z1 $out0 = $t0 ^ $z0; $out1 = $t1 ^ $z1; // Update(out0, out1) // xi = out0 || out1 $this->update($out0, $out1); return $out0 . $out1; } /** * @param string $cn * @return string */ public function decPartial($cn) { $len = ParagonIE_Sodium_Core_Util::strlen($cn); // z0 = S6 ^ S1 ^ (S2 & S3) $z0 = $this->state[6] ^ $this->state[1] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[2], $this->state[3]); // z1 = S2 ^ S5 ^ (S6 & S7) $z1 = $this->state[2] ^ $this->state[5] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[6], $this->state[7]); // t0, t1 = Split(ZeroPad(cn, 256), 128) $cn = str_pad($cn, 32, "\0", STR_PAD_RIGHT); $t0 = ParagonIE_Sodium_Core_Util::substr($cn, 0, 16); $t1 = ParagonIE_Sodium_Core_Util::substr($cn, 16, 16); // out0 = t0 ^ z0 // out1 = t1 ^ z1 $out0 = $t0 ^ $z0; $out1 = $t1 ^ $z1; // xn = Truncate(out0 || out1, |cn|) $xn = ParagonIE_Sodium_Core_Util::substr($out0 . $out1, 0, $len); // v0, v1 = Split(ZeroPad(xn, 256), 128) $padded = str_pad($xn, 32, "\0", STR_PAD_RIGHT); $v0 = ParagonIE_Sodium_Core_Util::substr($padded, 0, 16); $v1 = ParagonIE_Sodium_Core_Util::substr($padded, 16, 16); // Update(v0, v1) $this->update($v0, $v1); // return xn return $xn; } /** * @param string $xi * @return string * @throws SodiumException */ public function enc($xi) { if (ParagonIE_Sodium_Core_Util::strlen($xi) !== 32) { throw new SodiumException('Input must be two AES blocks in size'); } // z0 = S6 ^ S1 ^ (S2 & S3) $z0 = $this->state[6] ^ $this->state[1] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[2], $this->state[3]); // z1 = S2 ^ S5 ^ (S6 & S7) $z1 = $this->state[2] ^ $this->state[5] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[6], $this->state[7]); // t0, t1 = Split(xi, 128) $t0 = ParagonIE_Sodium_Core_Util::substr($xi, 0, 16); $t1 = ParagonIE_Sodium_Core_Util::substr($xi, 16, 16); // out0 = t0 ^ z0 // out1 = t1 ^ z1 $out0 = $t0 ^ $z0; $out1 = $t1 ^ $z1; // Update(t0, t1) // ci = out0 || out1 $this->update($t0, $t1); // return ci return $out0 . $out1; } /** * @param int $ad_len_bits * @param int $msg_len_bits * @return string */ public function finalize($ad_len_bits, $msg_len_bits) { $encoded = ParagonIE_Sodium_Core_Util::store64_le($ad_len_bits) . ParagonIE_Sodium_Core_Util::store64_le($msg_len_bits); $t = $this->state[2] ^ $encoded; for ($i = 0; $i < 7; ++$i) { $this->update($t, $t); } return ($this->state[0] ^ $this->state[1] ^ $this->state[2] ^ $this->state[3]) . ($this->state[4] ^ $this->state[5] ^ $this->state[6] ^ $this->state[7]); } /** * @param string $m0 * @param string $m1 * @return self */ public function update($m0, $m1) { /* S'0 = AESRound(S7, S0 ^ M0) S'1 = AESRound(S0, S1) S'2 = AESRound(S1, S2) S'3 = AESRound(S2, S3) S'4 = AESRound(S3, S4 ^ M1) S'5 = AESRound(S4, S5) S'6 = AESRound(S5, S6) S'7 = AESRound(S6, S7) */ list($s_0, $s_1) = ParagonIE_Sodium_Core_AES::doubleRound( $this->state[7], $this->state[0] ^ $m0, $this->state[0], $this->state[1] ); list($s_2, $s_3) = ParagonIE_Sodium_Core_AES::doubleRound( $this->state[1], $this->state[2], $this->state[2], $this->state[3] ); list($s_4, $s_5) = ParagonIE_Sodium_Core_AES::doubleRound( $this->state[3], $this->state[4] ^ $m1, $this->state[4], $this->state[5] ); list($s_6, $s_7) = ParagonIE_Sodium_Core_AES::doubleRound( $this->state[5], $this->state[6], $this->state[6], $this->state[7] ); /* S0 = S'0 S1 = S'1 S2 = S'2 S3 = S'3 S4 = S'4 S5 = S'5 S6 = S'6 S7 = S'7 */ $this->state[0] = $s_0; $this->state[1] = $s_1; $this->state[2] = $s_2; $this->state[3] = $s_3; $this->state[4] = $s_4; $this->state[5] = $s_5; $this->state[6] = $s_6; $this->state[7] = $s_7; return $this; } } Core/AES/Expanded.php 0000604 00000000460 14717743076 0010321 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_AES_Expanded', false)) { return; } /** * @internal This should only be used by sodium_compat */ class ParagonIE_Sodium_Core_AES_Expanded extends ParagonIE_Sodium_Core_AES_KeySchedule { /** @var bool $expanded */ protected $expanded = true; } Core/AES/KeySchedule.php 0000604 00000003531 14717743076 0011000 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_AES_KeySchedule', false)) { return; } /** * @internal This should only be used by sodium_compat */ class ParagonIE_Sodium_Core_AES_KeySchedule { /** @var array<int, int> $skey -- has size 120 */ protected $skey; /** @var bool $expanded */ protected $expanded = false; /** @var int $numRounds */ private $numRounds; /** * @param array $skey * @param int $numRounds */ public function __construct(array $skey, $numRounds = 10) { $this->skey = $skey; $this->numRounds = $numRounds; } /** * Get a value at an arbitrary index. Mostly used for unit testing. * * @param int $i * @return int */ public function get($i) { return $this->skey[$i]; } /** * @return int */ public function getNumRounds() { return $this->numRounds; } /** * @param int $offset * @return ParagonIE_Sodium_Core_AES_Block */ public function getRoundKey($offset) { return ParagonIE_Sodium_Core_AES_Block::fromArray( array_slice($this->skey, $offset, 8) ); } /** * Return an expanded key schedule * * @return ParagonIE_Sodium_Core_AES_Expanded */ public function expand() { $exp = new ParagonIE_Sodium_Core_AES_Expanded( array_fill(0, 120, 0), $this->numRounds ); $n = ($exp->numRounds + 1) << 2; for ($u = 0, $v = 0; $u < $n; ++$u, $v += 2) { $x = $y = $this->skey[$u]; $x &= 0x55555555; $exp->skey[$v] = ($x | ($x << 1)) & ParagonIE_Sodium_Core_Util::U32_MAX; $y &= 0xAAAAAAAA; $exp->skey[$v + 1] = ($y | ($y >> 1)) & ParagonIE_Sodium_Core_Util::U32_MAX; } return $exp; } } Core/AES/Block.php 0000604 00000024342 14717743076 0007630 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_AES_Block', false)) { return; } /** * @internal This should only be used by sodium_compat */ class ParagonIE_Sodium_Core_AES_Block extends SplFixedArray { /** * @var array<int, int> */ protected $values = array(); /** * @var int */ protected $size; /** * @param int $size */ public function __construct($size = 8) { parent::__construct($size); $this->size = $size; $this->values = array_fill(0, $size, 0); } /** * @return self */ public static function init() { return new self(8); } /** * @internal You should not use this directly from another application * * @param array<int, int> $array * @param bool $save_indexes * @return self * * @psalm-suppress MethodSignatureMismatch */ #[ReturnTypeWillChange] public static function fromArray($array, $save_indexes = null) { $count = count($array); if ($save_indexes) { $keys = array_keys($array); } else { $keys = range(0, $count - 1); } $array = array_values($array); /** @var array<int, int> $keys */ $obj = new ParagonIE_Sodium_Core_AES_Block(); if ($save_indexes) { for ($i = 0; $i < $count; ++$i) { $obj->offsetSet($keys[$i], $array[$i]); } } else { for ($i = 0; $i < $count; ++$i) { $obj->offsetSet($i, $array[$i]); } } return $obj; } /** * @internal You should not use this directly from another application * * @param int|null $offset * @param int $value * @return void * * @psalm-suppress MethodSignatureMismatch * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetSet($offset, $value) { if (!is_int($value)) { throw new InvalidArgumentException('Expected an integer'); } if (is_null($offset)) { $this->values[] = $value; } else { $this->values[$offset] = $value; } } /** * @internal You should not use this directly from another application * * @param int $offset * @return bool * * @psalm-suppress MethodSignatureMismatch * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetExists($offset) { return isset($this->values[$offset]); } /** * @internal You should not use this directly from another application * * @param int $offset * @return void * * @psalm-suppress MethodSignatureMismatch * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetUnset($offset) { unset($this->values[$offset]); } /** * @internal You should not use this directly from another application * * @param int $offset * @return int * * @psalm-suppress MethodSignatureMismatch * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetGet($offset) { if (!isset($this->values[$offset])) { $this->values[$offset] = 0; } return (int) ($this->values[$offset]); } /** * @internal You should not use this directly from another application * * @return array */ public function __debugInfo() { $out = array(); foreach ($this->values as $v) { $out[] = str_pad(dechex($v), 8, '0', STR_PAD_LEFT); } return array(implode(', ', $out)); /* return array(implode(', ', $this->values)); */ } /** * @param int $cl low bit mask * @param int $ch high bit mask * @param int $s shift * @param int $x index 1 * @param int $y index 2 * @return self */ public function swapN($cl, $ch, $s, $x, $y) { static $u32mask = ParagonIE_Sodium_Core_Util::U32_MAX; $a = $this->values[$x] & $u32mask; $b = $this->values[$y] & $u32mask; // (x) = (a & cl) | ((b & cl) << (s)); $this->values[$x] = ($a & $cl) | ((($b & $cl) << $s) & $u32mask); // (y) = ((a & ch) >> (s)) | (b & ch); $this->values[$y] = ((($a & $ch) & $u32mask) >> $s) | ($b & $ch); return $this; } /** * @param int $x index 1 * @param int $y index 2 * @return self */ public function swap2($x, $y) { return $this->swapN(0x55555555, 0xAAAAAAAA, 1, $x, $y); } /** * @param int $x index 1 * @param int $y index 2 * @return self */ public function swap4($x, $y) { return $this->swapN(0x33333333, 0xCCCCCCCC, 2, $x, $y); } /** * @param int $x index 1 * @param int $y index 2 * @return self */ public function swap8($x, $y) { return $this->swapN(0x0F0F0F0F, 0xF0F0F0F0, 4, $x, $y); } /** * @return self */ public function orthogonalize() { return $this ->swap2(0, 1) ->swap2(2, 3) ->swap2(4, 5) ->swap2(6, 7) ->swap4(0, 2) ->swap4(1, 3) ->swap4(4, 6) ->swap4(5, 7) ->swap8(0, 4) ->swap8(1, 5) ->swap8(2, 6) ->swap8(3, 7); } /** * @return self */ public function shiftRows() { for ($i = 0; $i < 8; ++$i) { $x = $this->values[$i] & ParagonIE_Sodium_Core_Util::U32_MAX; $this->values[$i] = ( ($x & 0x000000FF) | (($x & 0x0000FC00) >> 2) | (($x & 0x00000300) << 6) | (($x & 0x00F00000) >> 4) | (($x & 0x000F0000) << 4) | (($x & 0xC0000000) >> 6) | (($x & 0x3F000000) << 2) ) & ParagonIE_Sodium_Core_Util::U32_MAX; } return $this; } /** * @param int $x * @return int */ public static function rotr16($x) { return (($x << 16) & ParagonIE_Sodium_Core_Util::U32_MAX) | ($x >> 16); } /** * @return self */ public function mixColumns() { $q0 = $this->values[0]; $q1 = $this->values[1]; $q2 = $this->values[2]; $q3 = $this->values[3]; $q4 = $this->values[4]; $q5 = $this->values[5]; $q6 = $this->values[6]; $q7 = $this->values[7]; $r0 = (($q0 >> 8) | ($q0 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r1 = (($q1 >> 8) | ($q1 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r2 = (($q2 >> 8) | ($q2 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r3 = (($q3 >> 8) | ($q3 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r4 = (($q4 >> 8) | ($q4 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r5 = (($q5 >> 8) | ($q5 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r6 = (($q6 >> 8) | ($q6 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r7 = (($q7 >> 8) | ($q7 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $this->values[0] = $q7 ^ $r7 ^ $r0 ^ self::rotr16($q0 ^ $r0); $this->values[1] = $q0 ^ $r0 ^ $q7 ^ $r7 ^ $r1 ^ self::rotr16($q1 ^ $r1); $this->values[2] = $q1 ^ $r1 ^ $r2 ^ self::rotr16($q2 ^ $r2); $this->values[3] = $q2 ^ $r2 ^ $q7 ^ $r7 ^ $r3 ^ self::rotr16($q3 ^ $r3); $this->values[4] = $q3 ^ $r3 ^ $q7 ^ $r7 ^ $r4 ^ self::rotr16($q4 ^ $r4); $this->values[5] = $q4 ^ $r4 ^ $r5 ^ self::rotr16($q5 ^ $r5); $this->values[6] = $q5 ^ $r5 ^ $r6 ^ self::rotr16($q6 ^ $r6); $this->values[7] = $q6 ^ $r6 ^ $r7 ^ self::rotr16($q7 ^ $r7); return $this; } /** * @return self */ public function inverseMixColumns() { $q0 = $this->values[0]; $q1 = $this->values[1]; $q2 = $this->values[2]; $q3 = $this->values[3]; $q4 = $this->values[4]; $q5 = $this->values[5]; $q6 = $this->values[6]; $q7 = $this->values[7]; $r0 = (($q0 >> 8) | ($q0 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r1 = (($q1 >> 8) | ($q1 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r2 = (($q2 >> 8) | ($q2 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r3 = (($q3 >> 8) | ($q3 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r4 = (($q4 >> 8) | ($q4 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r5 = (($q5 >> 8) | ($q5 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r6 = (($q6 >> 8) | ($q6 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $r7 = (($q7 >> 8) | ($q7 << 24)) & ParagonIE_Sodium_Core_Util::U32_MAX; $this->values[0] = $q5 ^ $q6 ^ $q7 ^ $r0 ^ $r5 ^ $r7 ^ self::rotr16($q0 ^ $q5 ^ $q6 ^ $r0 ^ $r5); $this->values[1] = $q0 ^ $q5 ^ $r0 ^ $r1 ^ $r5 ^ $r6 ^ $r7 ^ self::rotr16($q1 ^ $q5 ^ $q7 ^ $r1 ^ $r5 ^ $r6); $this->values[2] = $q0 ^ $q1 ^ $q6 ^ $r1 ^ $r2 ^ $r6 ^ $r7 ^ self::rotr16($q0 ^ $q2 ^ $q6 ^ $r2 ^ $r6 ^ $r7); $this->values[3] = $q0 ^ $q1 ^ $q2 ^ $q5 ^ $q6 ^ $r0 ^ $r2 ^ $r3 ^ $r5 ^ self::rotr16($q0 ^ $q1 ^ $q3 ^ $q5 ^ $q6 ^ $q7 ^ $r0 ^ $r3 ^ $r5 ^ $r7); $this->values[4] = $q1 ^ $q2 ^ $q3 ^ $q5 ^ $r1 ^ $r3 ^ $r4 ^ $r5 ^ $r6 ^ $r7 ^ self::rotr16($q1 ^ $q2 ^ $q4 ^ $q5 ^ $q7 ^ $r1 ^ $r4 ^ $r5 ^ $r6); $this->values[5] = $q2 ^ $q3 ^ $q4 ^ $q6 ^ $r2 ^ $r4 ^ $r5 ^ $r6 ^ $r7 ^ self::rotr16($q2 ^ $q3 ^ $q5 ^ $q6 ^ $r2 ^ $r5 ^ $r6 ^ $r7); $this->values[6] = $q3 ^ $q4 ^ $q5 ^ $q7 ^ $r3 ^ $r5 ^ $r6 ^ $r7 ^ self::rotr16($q3 ^ $q4 ^ $q6 ^ $q7 ^ $r3 ^ $r6 ^ $r7); $this->values[7] = $q4 ^ $q5 ^ $q6 ^ $r4 ^ $r6 ^ $r7 ^ self::rotr16($q4 ^ $q5 ^ $q7 ^ $r4 ^ $r7); return $this; } /** * @return self */ public function inverseShiftRows() { for ($i = 0; $i < 8; ++$i) { $x = $this->values[$i]; $this->values[$i] = ParagonIE_Sodium_Core_Util::U32_MAX & ( ($x & 0x000000FF) | (($x & 0x00003F00) << 2) | (($x & 0x0000C000) >> 6) | (($x & 0x000F0000) << 4) | (($x & 0x00F00000) >> 4) | (($x & 0x03000000) << 6) | (($x & 0xFC000000) >> 2) ); } return $this; } } Core/AES.php 0000604 00000037015 14717743076 0006577 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_AES', false)) { return; } /** * Bitsliced implementation of the AES block cipher. * * Based on the implementation provided by BearSSL. * * @internal This should only be used by sodium_compat */ class ParagonIE_Sodium_Core_AES extends ParagonIE_Sodium_Core_Util { /** * @var int[] AES round constants */ private static $Rcon = array( 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1B, 0x36 ); /** * Mutates the values of $q! * * @param ParagonIE_Sodium_Core_AES_Block $q * @return void */ public static function sbox(ParagonIE_Sodium_Core_AES_Block $q) { /** * @var int $x0 * @var int $x1 * @var int $x2 * @var int $x3 * @var int $x4 * @var int $x5 * @var int $x6 * @var int $x7 */ $x0 = $q[7] & self::U32_MAX; $x1 = $q[6] & self::U32_MAX; $x2 = $q[5] & self::U32_MAX; $x3 = $q[4] & self::U32_MAX; $x4 = $q[3] & self::U32_MAX; $x5 = $q[2] & self::U32_MAX; $x6 = $q[1] & self::U32_MAX; $x7 = $q[0] & self::U32_MAX; $y14 = $x3 ^ $x5; $y13 = $x0 ^ $x6; $y9 = $x0 ^ $x3; $y8 = $x0 ^ $x5; $t0 = $x1 ^ $x2; $y1 = $t0 ^ $x7; $y4 = $y1 ^ $x3; $y12 = $y13 ^ $y14; $y2 = $y1 ^ $x0; $y5 = $y1 ^ $x6; $y3 = $y5 ^ $y8; $t1 = $x4 ^ $y12; $y15 = $t1 ^ $x5; $y20 = $t1 ^ $x1; $y6 = $y15 ^ $x7; $y10 = $y15 ^ $t0; $y11 = $y20 ^ $y9; $y7 = $x7 ^ $y11; $y17 = $y10 ^ $y11; $y19 = $y10 ^ $y8; $y16 = $t0 ^ $y11; $y21 = $y13 ^ $y16; $y18 = $x0 ^ $y16; /* * Non-linear section. */ $t2 = $y12 & $y15; $t3 = $y3 & $y6; $t4 = $t3 ^ $t2; $t5 = $y4 & $x7; $t6 = $t5 ^ $t2; $t7 = $y13 & $y16; $t8 = $y5 & $y1; $t9 = $t8 ^ $t7; $t10 = $y2 & $y7; $t11 = $t10 ^ $t7; $t12 = $y9 & $y11; $t13 = $y14 & $y17; $t14 = $t13 ^ $t12; $t15 = $y8 & $y10; $t16 = $t15 ^ $t12; $t17 = $t4 ^ $t14; $t18 = $t6 ^ $t16; $t19 = $t9 ^ $t14; $t20 = $t11 ^ $t16; $t21 = $t17 ^ $y20; $t22 = $t18 ^ $y19; $t23 = $t19 ^ $y21; $t24 = $t20 ^ $y18; $t25 = $t21 ^ $t22; $t26 = $t21 & $t23; $t27 = $t24 ^ $t26; $t28 = $t25 & $t27; $t29 = $t28 ^ $t22; $t30 = $t23 ^ $t24; $t31 = $t22 ^ $t26; $t32 = $t31 & $t30; $t33 = $t32 ^ $t24; $t34 = $t23 ^ $t33; $t35 = $t27 ^ $t33; $t36 = $t24 & $t35; $t37 = $t36 ^ $t34; $t38 = $t27 ^ $t36; $t39 = $t29 & $t38; $t40 = $t25 ^ $t39; $t41 = $t40 ^ $t37; $t42 = $t29 ^ $t33; $t43 = $t29 ^ $t40; $t44 = $t33 ^ $t37; $t45 = $t42 ^ $t41; $z0 = $t44 & $y15; $z1 = $t37 & $y6; $z2 = $t33 & $x7; $z3 = $t43 & $y16; $z4 = $t40 & $y1; $z5 = $t29 & $y7; $z6 = $t42 & $y11; $z7 = $t45 & $y17; $z8 = $t41 & $y10; $z9 = $t44 & $y12; $z10 = $t37 & $y3; $z11 = $t33 & $y4; $z12 = $t43 & $y13; $z13 = $t40 & $y5; $z14 = $t29 & $y2; $z15 = $t42 & $y9; $z16 = $t45 & $y14; $z17 = $t41 & $y8; /* * Bottom linear transformation. */ $t46 = $z15 ^ $z16; $t47 = $z10 ^ $z11; $t48 = $z5 ^ $z13; $t49 = $z9 ^ $z10; $t50 = $z2 ^ $z12; $t51 = $z2 ^ $z5; $t52 = $z7 ^ $z8; $t53 = $z0 ^ $z3; $t54 = $z6 ^ $z7; $t55 = $z16 ^ $z17; $t56 = $z12 ^ $t48; $t57 = $t50 ^ $t53; $t58 = $z4 ^ $t46; $t59 = $z3 ^ $t54; $t60 = $t46 ^ $t57; $t61 = $z14 ^ $t57; $t62 = $t52 ^ $t58; $t63 = $t49 ^ $t58; $t64 = $z4 ^ $t59; $t65 = $t61 ^ $t62; $t66 = $z1 ^ $t63; $s0 = $t59 ^ $t63; $s6 = $t56 ^ ~$t62; $s7 = $t48 ^ ~$t60; $t67 = $t64 ^ $t65; $s3 = $t53 ^ $t66; $s4 = $t51 ^ $t66; $s5 = $t47 ^ $t65; $s1 = $t64 ^ ~$s3; $s2 = $t55 ^ ~$t67; $q[7] = $s0 & self::U32_MAX; $q[6] = $s1 & self::U32_MAX; $q[5] = $s2 & self::U32_MAX; $q[4] = $s3 & self::U32_MAX; $q[3] = $s4 & self::U32_MAX; $q[2] = $s5 & self::U32_MAX; $q[1] = $s6 & self::U32_MAX; $q[0] = $s7 & self::U32_MAX; } /** * Mutates the values of $q! * * @param ParagonIE_Sodium_Core_AES_Block $q * @return void */ public static function invSbox(ParagonIE_Sodium_Core_AES_Block $q) { self::processInversion($q); self::sbox($q); self::processInversion($q); } /** * This is some boilerplate code needed to invert an S-box. Rather than repeat the code * twice, I moved it to a protected method. * * Mutates $q * * @param ParagonIE_Sodium_Core_AES_Block $q * @return void */ protected static function processInversion(ParagonIE_Sodium_Core_AES_Block $q) { $q0 = (~$q[0]) & self::U32_MAX; $q1 = (~$q[1]) & self::U32_MAX; $q2 = $q[2] & self::U32_MAX; $q3 = $q[3] & self::U32_MAX; $q4 = $q[4] & self::U32_MAX; $q5 = (~$q[5]) & self::U32_MAX; $q6 = (~$q[6]) & self::U32_MAX; $q7 = $q[7] & self::U32_MAX; $q[7] = ($q1 ^ $q4 ^ $q6) & self::U32_MAX; $q[6] = ($q0 ^ $q3 ^ $q5) & self::U32_MAX; $q[5] = ($q7 ^ $q2 ^ $q4) & self::U32_MAX; $q[4] = ($q6 ^ $q1 ^ $q3) & self::U32_MAX; $q[3] = ($q5 ^ $q0 ^ $q2) & self::U32_MAX; $q[2] = ($q4 ^ $q7 ^ $q1) & self::U32_MAX; $q[1] = ($q3 ^ $q6 ^ $q0) & self::U32_MAX; $q[0] = ($q2 ^ $q5 ^ $q7) & self::U32_MAX; } /** * @param int $x * @return int */ public static function subWord($x) { $q = ParagonIE_Sodium_Core_AES_Block::fromArray( array($x, $x, $x, $x, $x, $x, $x, $x) ); $q->orthogonalize(); self::sbox($q); $q->orthogonalize(); return $q[0] & self::U32_MAX; } /** * Calculate the key schedule from a given random key * * @param string $key * @return ParagonIE_Sodium_Core_AES_KeySchedule * @throws SodiumException */ public static function keySchedule($key) { $key_len = self::strlen($key); switch ($key_len) { case 16: $num_rounds = 10; break; case 24: $num_rounds = 12; break; case 32: $num_rounds = 14; break; default: throw new SodiumException('Invalid key length: ' . $key_len); } $skey = array(); $comp_skey = array(); $nk = $key_len >> 2; $nkf = ($num_rounds + 1) << 2; $tmp = 0; for ($i = 0; $i < $nk; ++$i) { $tmp = self::load_4(self::substr($key, $i << 2, 4)); $skey[($i << 1)] = $tmp; $skey[($i << 1) + 1] = $tmp; } for ($i = $nk, $j = 0, $k = 0; $i < $nkf; ++$i) { if ($j === 0) { $tmp = (($tmp & 0xff) << 24) | ($tmp >> 8); $tmp = (self::subWord($tmp) ^ self::$Rcon[$k]) & self::U32_MAX; } elseif ($nk > 6 && $j === 4) { $tmp = self::subWord($tmp); } $tmp ^= $skey[($i - $nk) << 1]; $skey[($i << 1)] = $tmp & self::U32_MAX; $skey[($i << 1) + 1] = $tmp & self::U32_MAX; if (++$j === $nk) { /** @psalm-suppress LoopInvalidation */ $j = 0; ++$k; } } for ($i = 0; $i < $nkf; $i += 4) { $q = ParagonIE_Sodium_Core_AES_Block::fromArray( array_slice($skey, $i << 1, 8) ); $q->orthogonalize(); // We have to overwrite $skey since we're not using C pointers like BearSSL did for ($j = 0; $j < 8; ++$j) { $skey[($i << 1) + $j] = $q[$j]; } } for ($i = 0, $j = 0; $i < $nkf; ++$i, $j += 2) { $comp_skey[$i] = ($skey[$j] & 0x55555555) | ($skey[$j + 1] & 0xAAAAAAAA); } return new ParagonIE_Sodium_Core_AES_KeySchedule($comp_skey, $num_rounds); } /** * Mutates $q * * @param ParagonIE_Sodium_Core_AES_KeySchedule $skey * @param ParagonIE_Sodium_Core_AES_Block $q * @param int $offset * @return void */ public static function addRoundKey( ParagonIE_Sodium_Core_AES_Block $q, ParagonIE_Sodium_Core_AES_KeySchedule $skey, $offset = 0 ) { $block = $skey->getRoundKey($offset); for ($j = 0; $j < 8; ++$j) { $q[$j] = ($q[$j] ^ $block[$j]) & ParagonIE_Sodium_Core_Util::U32_MAX; } } /** * This mainly exists for testing, as we need the round key features for AEGIS. * * @param string $message * @param string $key * @return string * @throws SodiumException */ public static function decryptBlockECB($message, $key) { if (self::strlen($message) !== 16) { throw new SodiumException('decryptBlockECB() expects a 16 byte message'); } $skey = self::keySchedule($key)->expand(); $q = ParagonIE_Sodium_Core_AES_Block::init(); $q[0] = self::load_4(self::substr($message, 0, 4)); $q[2] = self::load_4(self::substr($message, 4, 4)); $q[4] = self::load_4(self::substr($message, 8, 4)); $q[6] = self::load_4(self::substr($message, 12, 4)); $q->orthogonalize(); self::bitsliceDecryptBlock($skey, $q); $q->orthogonalize(); return self::store32_le($q[0]) . self::store32_le($q[2]) . self::store32_le($q[4]) . self::store32_le($q[6]); } /** * This mainly exists for testing, as we need the round key features for AEGIS. * * @param string $message * @param string $key * @return string * @throws SodiumException */ public static function encryptBlockECB($message, $key) { if (self::strlen($message) !== 16) { throw new SodiumException('encryptBlockECB() expects a 16 byte message'); } $comp_skey = self::keySchedule($key); $skey = $comp_skey->expand(); $q = ParagonIE_Sodium_Core_AES_Block::init(); $q[0] = self::load_4(self::substr($message, 0, 4)); $q[2] = self::load_4(self::substr($message, 4, 4)); $q[4] = self::load_4(self::substr($message, 8, 4)); $q[6] = self::load_4(self::substr($message, 12, 4)); $q->orthogonalize(); self::bitsliceEncryptBlock($skey, $q); $q->orthogonalize(); return self::store32_le($q[0]) . self::store32_le($q[2]) . self::store32_le($q[4]) . self::store32_le($q[6]); } /** * Mutates $q * * @param ParagonIE_Sodium_Core_AES_Expanded $skey * @param ParagonIE_Sodium_Core_AES_Block $q * @return void */ public static function bitsliceEncryptBlock( ParagonIE_Sodium_Core_AES_Expanded $skey, ParagonIE_Sodium_Core_AES_Block $q ) { self::addRoundKey($q, $skey); for ($u = 1; $u < $skey->getNumRounds(); ++$u) { self::sbox($q); $q->shiftRows(); $q->mixColumns(); self::addRoundKey($q, $skey, ($u << 3)); } self::sbox($q); $q->shiftRows(); self::addRoundKey($q, $skey, ($skey->getNumRounds() << 3)); } /** * @param string $x * @param string $y * @return string */ public static function aesRound($x, $y) { $q = ParagonIE_Sodium_Core_AES_Block::init(); $q[0] = self::load_4(self::substr($x, 0, 4)); $q[2] = self::load_4(self::substr($x, 4, 4)); $q[4] = self::load_4(self::substr($x, 8, 4)); $q[6] = self::load_4(self::substr($x, 12, 4)); $rk = ParagonIE_Sodium_Core_AES_Block::init(); $rk[0] = $rk[1] = self::load_4(self::substr($y, 0, 4)); $rk[2] = $rk[3] = self::load_4(self::substr($y, 4, 4)); $rk[4] = $rk[5] = self::load_4(self::substr($y, 8, 4)); $rk[6] = $rk[7] = self::load_4(self::substr($y, 12, 4)); $q->orthogonalize(); self::sbox($q); $q->shiftRows(); $q->mixColumns(); $q->orthogonalize(); // add round key without key schedule: for ($i = 0; $i < 8; ++$i) { $q[$i] ^= $rk[$i]; } return self::store32_le($q[0]) . self::store32_le($q[2]) . self::store32_le($q[4]) . self::store32_le($q[6]); } /** * Process two AES blocks in one shot. * * @param string $b0 First AES block * @param string $rk0 First round key * @param string $b1 Second AES block * @param string $rk1 Second round key * @return string[] */ public static function doubleRound($b0, $rk0, $b1, $rk1) { $q = ParagonIE_Sodium_Core_AES_Block::init(); // First block $q[0] = self::load_4(self::substr($b0, 0, 4)); $q[2] = self::load_4(self::substr($b0, 4, 4)); $q[4] = self::load_4(self::substr($b0, 8, 4)); $q[6] = self::load_4(self::substr($b0, 12, 4)); // Second block $q[1] = self::load_4(self::substr($b1, 0, 4)); $q[3] = self::load_4(self::substr($b1, 4, 4)); $q[5] = self::load_4(self::substr($b1, 8, 4)); $q[7] = self::load_4(self::substr($b1, 12, 4));; $rk = ParagonIE_Sodium_Core_AES_Block::init(); // First round key $rk[0] = self::load_4(self::substr($rk0, 0, 4)); $rk[2] = self::load_4(self::substr($rk0, 4, 4)); $rk[4] = self::load_4(self::substr($rk0, 8, 4)); $rk[6] = self::load_4(self::substr($rk0, 12, 4)); // Second round key $rk[1] = self::load_4(self::substr($rk1, 0, 4)); $rk[3] = self::load_4(self::substr($rk1, 4, 4)); $rk[5] = self::load_4(self::substr($rk1, 8, 4)); $rk[7] = self::load_4(self::substr($rk1, 12, 4)); $q->orthogonalize(); self::sbox($q); $q->shiftRows(); $q->mixColumns(); $q->orthogonalize(); // add round key without key schedule: for ($i = 0; $i < 8; ++$i) { $q[$i] ^= $rk[$i]; } return array( self::store32_le($q[0]) . self::store32_le($q[2]) . self::store32_le($q[4]) . self::store32_le($q[6]), self::store32_le($q[1]) . self::store32_le($q[3]) . self::store32_le($q[5]) . self::store32_le($q[7]), ); } /** * @param ParagonIE_Sodium_Core_AES_Expanded $skey * @param ParagonIE_Sodium_Core_AES_Block $q * @return void */ public static function bitsliceDecryptBlock( ParagonIE_Sodium_Core_AES_Expanded $skey, ParagonIE_Sodium_Core_AES_Block $q ) { self::addRoundKey($q, $skey, ($skey->getNumRounds() << 3)); for ($u = $skey->getNumRounds() - 1; $u > 0; --$u) { $q->inverseShiftRows(); self::invSbox($q); self::addRoundKey($q, $skey, ($u << 3)); $q->inverseMixColumns(); } $q->inverseShiftRows(); self::invSbox($q); self::addRoundKey($q, $skey, ($u << 3)); } } Core/AEGIS128L.php 0000604 00000007124 14717743076 0007364 0 ustar 00 <?php if (!defined('SODIUM_COMPAT_AEGIS_C0')) { define('SODIUM_COMPAT_AEGIS_C0', "\x00\x01\x01\x02\x03\x05\x08\x0d\x15\x22\x37\x59\x90\xe9\x79\x62"); } if (!defined('SODIUM_COMPAT_AEGIS_C1')) { define('SODIUM_COMPAT_AEGIS_C1', "\xdb\x3d\x18\x55\x6d\xc2\x2f\xf1\x20\x11\x31\x42\x73\xb5\x28\xdd"); } class ParagonIE_Sodium_Core_AEGIS128L extends ParagonIE_Sodium_Core_AES { /** * @param string $ct * @param string $tag * @param string $ad * @param string $key * @param string $nonce * @return string * @throws SodiumException */ public static function decrypt($ct, $tag, $ad, $key, $nonce) { $state = self::init($key, $nonce); $ad_blocks = (self::strlen($ad) + 31) >> 5; for ($i = 0; $i < $ad_blocks; ++$i) { $ai = self::substr($ad, $i << 5, 32); if (self::strlen($ai) < 32) { $ai = str_pad($ai, 32, "\0", STR_PAD_RIGHT); } $state->absorb($ai); } $msg = ''; $cn = self::strlen($ct) & 31; $ct_blocks = self::strlen($ct) >> 5; for ($i = 0; $i < $ct_blocks; ++$i) { $msg .= $state->dec(self::substr($ct, $i << 5, 32)); } if ($cn) { $start = $ct_blocks << 5; $msg .= $state->decPartial(self::substr($ct, $start, $cn)); } $expected_tag = $state->finalize( self::strlen($ad) << 3, self::strlen($msg) << 3 ); if (!self::hashEquals($expected_tag, $tag)) { try { // The RFC says to erase msg, so we shall try: ParagonIE_Sodium_Compat::memzero($msg); } catch (SodiumException $ex) { // Do nothing if we cannot memzero } throw new SodiumException('verification failed'); } return $msg; } /** * @param string $msg * @param string $ad * @param string $key * @param string $nonce * @return array * * @throws SodiumException */ public static function encrypt($msg, $ad, $key, $nonce) { $state = self::init($key, $nonce); // ad_blocks = Split(ZeroPad(ad, 256), 256) // for ai in ad_blocks: // Absorb(ai) $ad_len = self::strlen($ad); $msg_len = self::strlen($msg); $ad_blocks = ($ad_len + 31) >> 5; for ($i = 0; $i < $ad_blocks; ++$i) { $ai = self::substr($ad, $i << 5, 32); if (self::strlen($ai) < 32) { $ai = str_pad($ai, 32, "\0", STR_PAD_RIGHT); } $state->absorb($ai); } // msg_blocks = Split(ZeroPad(msg, 256), 256) // for xi in msg_blocks: // ct = ct || Enc(xi) $ct = ''; $msg_blocks = ($msg_len + 31) >> 5; for ($i = 0; $i < $msg_blocks; ++$i) { $xi = self::substr($msg, $i << 5, 32); if (self::strlen($xi) < 32) { $xi = str_pad($xi, 32, "\0", STR_PAD_RIGHT); } $ct .= $state->enc($xi); } // tag = Finalize(|ad|, |msg|) // ct = Truncate(ct, |msg|) $tag = $state->finalize( $ad_len << 3, $msg_len << 3 ); // return ct and tag return array( self::substr($ct, 0, $msg_len), $tag ); } /** * @param string $key * @param string $nonce * @return ParagonIE_Sodium_Core_AEGIS_State128L */ public static function init($key, $nonce) { return ParagonIE_Sodium_Core_AEGIS_State128L::init($key, $nonce); } } Core/AEGIS256.php 0000604 00000007016 14717743076 0007252 0 ustar 00 <?php if (!defined('SODIUM_COMPAT_AEGIS_C0')) { define('SODIUM_COMPAT_AEGIS_C0', "\x00\x01\x01\x02\x03\x05\x08\x0d\x15\x22\x37\x59\x90\xe9\x79\x62"); } if (!defined('SODIUM_COMPAT_AEGIS_C1')) { define('SODIUM_COMPAT_AEGIS_C1', "\xdb\x3d\x18\x55\x6d\xc2\x2f\xf1\x20\x11\x31\x42\x73\xb5\x28\xdd"); } class ParagonIE_Sodium_Core_AEGIS256 extends ParagonIE_Sodium_Core_AES { /** * @param string $ct * @param string $tag * @param string $ad * @param string $key * @param string $nonce * @return string * @throws SodiumException */ public static function decrypt($ct, $tag, $ad, $key, $nonce) { $state = self::init($key, $nonce); // ad_blocks = Split(ZeroPad(ad, 128), 128) $ad_blocks = (self::strlen($ad) + 15) >> 4; // for ai in ad_blocks: // Absorb(ai) for ($i = 0; $i < $ad_blocks; ++$i) { $ai = self::substr($ad, $i << 4, 16); if (self::strlen($ai) < 16) { $ai = str_pad($ai, 16, "\0", STR_PAD_RIGHT); } $state->absorb($ai); } $msg = ''; $cn = self::strlen($ct) & 15; $ct_blocks = self::strlen($ct) >> 4; // ct_blocks = Split(ZeroPad(ct, 128), 128) // cn = Tail(ct, |ct| mod 128) for ($i = 0; $i < $ct_blocks; ++$i) { $msg .= $state->dec(self::substr($ct, $i << 4, 16)); } // if cn is not empty: // msg = msg || DecPartial(cn) if ($cn) { $start = $ct_blocks << 4; $msg .= $state->decPartial(self::substr($ct, $start, $cn)); } $expected_tag = $state->finalize( self::strlen($ad) << 3, self::strlen($msg) << 3 ); if (!self::hashEquals($expected_tag, $tag)) { try { // The RFC says to erase msg, so we shall try: ParagonIE_Sodium_Compat::memzero($msg); } catch (SodiumException $ex) { // Do nothing if we cannot memzero } throw new SodiumException('verification failed'); } return $msg; } /** * @param string $msg * @param string $ad * @param string $key * @param string $nonce * @return array * @throws SodiumException */ public static function encrypt($msg, $ad, $key, $nonce) { $state = self::init($key, $nonce); $ad_len = self::strlen($ad); $msg_len = self::strlen($msg); $ad_blocks = ($ad_len + 15) >> 4; for ($i = 0; $i < $ad_blocks; ++$i) { $ai = self::substr($ad, $i << 4, 16); if (self::strlen($ai) < 16) { $ai = str_pad($ai, 16, "\0", STR_PAD_RIGHT); } $state->absorb($ai); } $ct = ''; $msg_blocks = ($msg_len + 15) >> 4; for ($i = 0; $i < $msg_blocks; ++$i) { $xi = self::substr($msg, $i << 4, 16); if (self::strlen($xi) < 16) { $xi = str_pad($xi, 16, "\0", STR_PAD_RIGHT); } $ct .= $state->enc($xi); } $tag = $state->finalize( $ad_len << 3, $msg_len << 3 ); return array( self::substr($ct, 0, $msg_len), $tag ); } /** * @param string $key * @param string $nonce * @return ParagonIE_Sodium_Core_AEGIS_State256 */ public static function init($key, $nonce) { return ParagonIE_Sodium_Core_AEGIS_State256::init($key, $nonce); } } SodiumException.php 0000644 00000000236 14717743076 0010415 0 ustar 00 <?php if (!class_exists('SodiumException', false)) { /** * Class SodiumException */ class SodiumException extends Exception { } } Compat.php 0000604 00000500364 14717743076 0006524 0 ustar 00 <?php /** * Libsodium compatibility layer * * This is the only class you should be interfacing with, as a user of * sodium_compat. * * If the PHP extension for libsodium is installed, it will always use that * instead of our implementations. You get better performance and stronger * guarantees against side-channels that way. * * However, if your users don't have the PHP extension installed, we offer a * compatible interface here. It will give you the correct results as if the * PHP extension was installed. It won't be as fast, of course. * * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * * * * Until audited, this is probably not safe to use! DANGER WILL ROBINSON * * * * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * */ if (class_exists('ParagonIE_Sodium_Compat', false)) { return; } class ParagonIE_Sodium_Compat { /** * This parameter prevents the use of the PECL extension. * It should only be used for unit testing. * * @var bool */ public static $disableFallbackForUnitTests = false; /** * Use fast multiplication rather than our constant-time multiplication * implementation. Can be enabled at runtime. Only enable this if you * are absolutely certain that there is no timing leak on your platform. * * @var bool */ public static $fastMult = false; const LIBRARY_MAJOR_VERSION = 9; const LIBRARY_MINOR_VERSION = 1; const LIBRARY_VERSION_MAJOR = 9; const LIBRARY_VERSION_MINOR = 1; const VERSION_STRING = 'polyfill-1.0.8'; // From libsodium const BASE64_VARIANT_ORIGINAL = 1; const BASE64_VARIANT_ORIGINAL_NO_PADDING = 3; const BASE64_VARIANT_URLSAFE = 5; const BASE64_VARIANT_URLSAFE_NO_PADDING = 7; const CRYPTO_AEAD_AES256GCM_KEYBYTES = 32; const CRYPTO_AEAD_AES256GCM_NSECBYTES = 0; const CRYPTO_AEAD_AES256GCM_NPUBBYTES = 12; const CRYPTO_AEAD_AES256GCM_ABYTES = 16; const CRYPTO_AEAD_AEGIS128L_KEYBYTES = 16; const CRYPTO_AEAD_AEGIS128L_NSECBYTES = 0; const CRYPTO_AEAD_AEGIS128L_NPUBBYTES = 16; const CRYPTO_AEAD_AEGIS128L_ABYTES = 32; const CRYPTO_AEAD_AEGIS256_KEYBYTES = 32; const CRYPTO_AEAD_AEGIS256_NSECBYTES = 0; const CRYPTO_AEAD_AEGIS256_NPUBBYTES = 32; const CRYPTO_AEAD_AEGIS256_ABYTES = 32; const CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES = 32; const CRYPTO_AEAD_CHACHA20POLY1305_NSECBYTES = 0; const CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES = 8; const CRYPTO_AEAD_CHACHA20POLY1305_ABYTES = 16; const CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES = 32; const CRYPTO_AEAD_CHACHA20POLY1305_IETF_NSECBYTES = 0; const CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES = 12; const CRYPTO_AEAD_CHACHA20POLY1305_IETF_ABYTES = 16; const CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES = 32; const CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NSECBYTES = 0; const CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES = 24; const CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES = 16; const CRYPTO_AUTH_BYTES = 32; const CRYPTO_AUTH_KEYBYTES = 32; const CRYPTO_BOX_SEALBYTES = 16; const CRYPTO_BOX_SECRETKEYBYTES = 32; const CRYPTO_BOX_PUBLICKEYBYTES = 32; const CRYPTO_BOX_KEYPAIRBYTES = 64; const CRYPTO_BOX_MACBYTES = 16; const CRYPTO_BOX_NONCEBYTES = 24; const CRYPTO_BOX_SEEDBYTES = 32; const CRYPTO_CORE_RISTRETTO255_BYTES = 32; const CRYPTO_CORE_RISTRETTO255_SCALARBYTES = 32; const CRYPTO_CORE_RISTRETTO255_HASHBYTES = 64; const CRYPTO_CORE_RISTRETTO255_NONREDUCEDSCALARBYTES = 64; const CRYPTO_KDF_BYTES_MIN = 16; const CRYPTO_KDF_BYTES_MAX = 64; const CRYPTO_KDF_CONTEXTBYTES = 8; const CRYPTO_KDF_KEYBYTES = 32; const CRYPTO_KX_BYTES = 32; const CRYPTO_KX_PRIMITIVE = 'x25519blake2b'; const CRYPTO_KX_SEEDBYTES = 32; const CRYPTO_KX_KEYPAIRBYTES = 64; const CRYPTO_KX_PUBLICKEYBYTES = 32; const CRYPTO_KX_SECRETKEYBYTES = 32; const CRYPTO_KX_SESSIONKEYBYTES = 32; const CRYPTO_GENERICHASH_BYTES = 32; const CRYPTO_GENERICHASH_BYTES_MIN = 16; const CRYPTO_GENERICHASH_BYTES_MAX = 64; const CRYPTO_GENERICHASH_KEYBYTES = 32; const CRYPTO_GENERICHASH_KEYBYTES_MIN = 16; const CRYPTO_GENERICHASH_KEYBYTES_MAX = 64; const CRYPTO_PWHASH_SALTBYTES = 16; const CRYPTO_PWHASH_STRPREFIX = '$argon2id$'; const CRYPTO_PWHASH_ALG_ARGON2I13 = 1; const CRYPTO_PWHASH_ALG_ARGON2ID13 = 2; const CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE = 33554432; const CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE = 4; const CRYPTO_PWHASH_MEMLIMIT_MODERATE = 134217728; const CRYPTO_PWHASH_OPSLIMIT_MODERATE = 6; const CRYPTO_PWHASH_MEMLIMIT_SENSITIVE = 536870912; const CRYPTO_PWHASH_OPSLIMIT_SENSITIVE = 8; const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_SALTBYTES = 32; const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_STRPREFIX = '$7$'; const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_INTERACTIVE = 534288; const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_INTERACTIVE = 16777216; const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_SENSITIVE = 33554432; const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_SENSITIVE = 1073741824; const CRYPTO_SCALARMULT_BYTES = 32; const CRYPTO_SCALARMULT_SCALARBYTES = 32; const CRYPTO_SCALARMULT_RISTRETTO255_BYTES = 32; const CRYPTO_SCALARMULT_RISTRETTO255_SCALARBYTES = 32; const CRYPTO_SHORTHASH_BYTES = 8; const CRYPTO_SHORTHASH_KEYBYTES = 16; const CRYPTO_SECRETBOX_KEYBYTES = 32; const CRYPTO_SECRETBOX_MACBYTES = 16; const CRYPTO_SECRETBOX_NONCEBYTES = 24; const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES = 17; const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES = 24; const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_KEYBYTES = 32; const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PUSH = 0; const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PULL = 1; const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY = 2; const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_FINAL = 3; const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX = 0x3fffffff80; const CRYPTO_SIGN_BYTES = 64; const CRYPTO_SIGN_SEEDBYTES = 32; const CRYPTO_SIGN_PUBLICKEYBYTES = 32; const CRYPTO_SIGN_SECRETKEYBYTES = 64; const CRYPTO_SIGN_KEYPAIRBYTES = 96; const CRYPTO_STREAM_KEYBYTES = 32; const CRYPTO_STREAM_NONCEBYTES = 24; const CRYPTO_STREAM_XCHACHA20_KEYBYTES = 32; const CRYPTO_STREAM_XCHACHA20_NONCEBYTES = 24; /** * Add two numbers (little-endian unsigned), storing the value in the first * parameter. * * This mutates $val. * * @param string $val * @param string $addv * @return void * @throws SodiumException */ public static function add( #[\SensitiveParameter] &$val, #[\SensitiveParameter] $addv ) { $val_len = ParagonIE_Sodium_Core_Util::strlen($val); $addv_len = ParagonIE_Sodium_Core_Util::strlen($addv); if ($val_len !== $addv_len) { throw new SodiumException('values must have the same length'); } $A = ParagonIE_Sodium_Core_Util::stringToIntArray($val); $B = ParagonIE_Sodium_Core_Util::stringToIntArray($addv); $c = 0; for ($i = 0; $i < $val_len; $i++) { $c += ($A[$i] + $B[$i]); $A[$i] = ($c & 0xff); $c >>= 8; } $val = ParagonIE_Sodium_Core_Util::intArrayToString($A); } /** * @param string $encoded * @param int $variant * @param string $ignore * @return string * @throws SodiumException */ public static function base642bin( #[\SensitiveParameter] $encoded, $variant, $ignore = '' ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($encoded, 'string', 1); /** @var string $encoded */ $encoded = (string) $encoded; if (ParagonIE_Sodium_Core_Util::strlen($encoded) === 0) { return ''; } // Just strip before decoding if (!empty($ignore)) { $encoded = str_replace($ignore, '', $encoded); } try { switch ($variant) { case self::BASE64_VARIANT_ORIGINAL: return ParagonIE_Sodium_Core_Base64_Original::decode($encoded, true); case self::BASE64_VARIANT_ORIGINAL_NO_PADDING: return ParagonIE_Sodium_Core_Base64_Original::decode($encoded, false); case self::BASE64_VARIANT_URLSAFE: return ParagonIE_Sodium_Core_Base64_UrlSafe::decode($encoded, true); case self::BASE64_VARIANT_URLSAFE_NO_PADDING: return ParagonIE_Sodium_Core_Base64_UrlSafe::decode($encoded, false); default: throw new SodiumException('invalid base64 variant identifier'); } } catch (Exception $ex) { if ($ex instanceof SodiumException) { throw $ex; } throw new SodiumException('invalid base64 string'); } } /** * @param string $decoded * @param int $variant * @return string * @throws SodiumException */ public static function bin2base64( #[\SensitiveParameter] $decoded, $variant ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($decoded, 'string', 1); /** @var string $decoded */ $decoded = (string) $decoded; if (ParagonIE_Sodium_Core_Util::strlen($decoded) === 0) { return ''; } switch ($variant) { case self::BASE64_VARIANT_ORIGINAL: return ParagonIE_Sodium_Core_Base64_Original::encode($decoded); case self::BASE64_VARIANT_ORIGINAL_NO_PADDING: return ParagonIE_Sodium_Core_Base64_Original::encodeUnpadded($decoded); case self::BASE64_VARIANT_URLSAFE: return ParagonIE_Sodium_Core_Base64_UrlSafe::encode($decoded); case self::BASE64_VARIANT_URLSAFE_NO_PADDING: return ParagonIE_Sodium_Core_Base64_UrlSafe::encodeUnpadded($decoded); default: throw new SodiumException('invalid base64 variant identifier'); } } /** * Cache-timing-safe implementation of bin2hex(). * * @param string $string A string (probably raw binary) * @return string A hexadecimal-encoded string * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function bin2hex( #[\SensitiveParameter] $string ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($string, 'string', 1); if (self::useNewSodiumAPI()) { return (string) sodium_bin2hex($string); } if (self::use_fallback('bin2hex')) { return (string) call_user_func('\\Sodium\\bin2hex', $string); } return ParagonIE_Sodium_Core_Util::bin2hex($string); } /** * Compare two strings, in constant-time. * Compared to memcmp(), compare() is more useful for sorting. * * @param string $left The left operand; must be a string * @param string $right The right operand; must be a string * @return int If < 0 if the left operand is less than the right * If = 0 if both strings are equal * If > 0 if the right operand is less than the left * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function compare( #[\SensitiveParameter] $left, #[\SensitiveParameter] $right ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($left, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($right, 'string', 2); if (self::useNewSodiumAPI()) { return (int) sodium_compare($left, $right); } if (self::use_fallback('compare')) { return (int) call_user_func('\\Sodium\\compare', $left, $right); } return ParagonIE_Sodium_Core_Util::compare($left, $right); } /** * Authenticated Encryption with Associated Data: Decryption * * Algorithm: * AEGIS-128L * * @param string $ciphertext Encrypted message (with MAC appended) * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 32 bytes * @param string $key Encryption key * * @return string The original plaintext message * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_aead_aegis128l_decrypt( $ciphertext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '' ) { ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_AEGIS128L_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_AEGIS_128L_NPUBBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_AEGIS128L_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_AEGIS128L_KEYBYTES long'); } $ct_length = ParagonIE_Sodium_Core_Util::strlen($ciphertext); if ($ct_length < self::CRYPTO_AEAD_AEGIS128L_ABYTES) { throw new SodiumException('Message must be at least CRYPTO_AEAD_AEGIS128L_ABYTES long'); } $ct = ParagonIE_Sodium_Core_Util::substr( $ciphertext, 0, $ct_length - self::CRYPTO_AEAD_AEGIS128L_ABYTES ); $tag = ParagonIE_Sodium_Core_Util::substr( $ciphertext, $ct_length - self::CRYPTO_AEAD_AEGIS128L_ABYTES, self::CRYPTO_AEAD_AEGIS128L_ABYTES ); return ParagonIE_Sodium_Core_AEGIS128L::decrypt($ct, $tag, $assocData, $key, $nonce); } /** * Authenticated Encryption with Associated Data: Encryption * * Algorithm: * AEGIS-128L * * @param string $plaintext Message to be encrypted * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 32 bytes * @param string $key Encryption key * * @return string Ciphertext with 32-byte authentication tag appended * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_aead_aegis128l_encrypt( #[\SensitiveParameter] $plaintext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '' ) { ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_AEGIS128L_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_AEGIS128L_KEYBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_AEGIS128L_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_AEGIS128L_KEYBYTES long'); } list($ct, $tag) = ParagonIE_Sodium_Core_AEGIS128L::encrypt($plaintext, $assocData, $key, $nonce); return $ct . $tag; } /** * Return a secure random key for use with the AEGIS-128L * symmetric AEAD interface. * * @return string * @throws Exception * @throws Error */ public static function crypto_aead_aegis128l_keygen() { return random_bytes(self::CRYPTO_AEAD_AEGIS128L_KEYBYTES); } /** * Authenticated Encryption with Associated Data: Decryption * * Algorithm: * AEGIS-256 * * @param string $ciphertext Encrypted message (with MAC appended) * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 32 bytes * @param string $key Encryption key * * @return string The original plaintext message * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_aead_aegis256_decrypt( $ciphertext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '' ) { ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_AEGIS256_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_AEGIS256_NPUBBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_AEGIS256_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_AEGIS256_KEYBYTES long'); } $ct_length = ParagonIE_Sodium_Core_Util::strlen($ciphertext); if ($ct_length < self::CRYPTO_AEAD_AEGIS256_ABYTES) { throw new SodiumException('Message must be at least CRYPTO_AEAD_AEGIS256_ABYTES long'); } $ct = ParagonIE_Sodium_Core_Util::substr( $ciphertext, 0, $ct_length - self::CRYPTO_AEAD_AEGIS256_ABYTES ); $tag = ParagonIE_Sodium_Core_Util::substr( $ciphertext, $ct_length - self::CRYPTO_AEAD_AEGIS256_ABYTES, self::CRYPTO_AEAD_AEGIS256_ABYTES ); return ParagonIE_Sodium_Core_AEGIS256::decrypt($ct, $tag, $assocData, $key, $nonce); } /** * Authenticated Encryption with Associated Data: Encryption * * Algorithm: * AEGIS-256 * * @param string $plaintext Message to be encrypted * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 32 bytes * @param string $key Encryption key * * @return string Ciphertext with 32-byte authentication tag appended * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_aead_aegis256_encrypt( #[\SensitiveParameter] $plaintext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '' ) { ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_AEGIS256_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_AEGIS128L_KEYBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_AEGIS256_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_AEGIS128L_KEYBYTES long'); } list($ct, $tag) = ParagonIE_Sodium_Core_AEGIS256::encrypt($plaintext, $assocData, $key, $nonce); return $ct . $tag; } /** * Return a secure random key for use with the AEGIS-256 * symmetric AEAD interface. * * @return string * @throws Exception * @throws Error */ public static function crypto_aead_aegis256_keygen() { return random_bytes(self::CRYPTO_AEAD_AEGIS256_KEYBYTES); } /** * Is AES-256-GCM even available to use? * * @return bool * @psalm-suppress UndefinedFunction * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_aead_aes256gcm_is_available() { if (self::useNewSodiumAPI()) { return sodium_crypto_aead_aes256gcm_is_available(); } if (self::use_fallback('crypto_aead_aes256gcm_is_available')) { return call_user_func('\\Sodium\\crypto_aead_aes256gcm_is_available'); } if (PHP_VERSION_ID < 70100) { // OpenSSL doesn't support AEAD before 7.1.0 return false; } if (!is_callable('openssl_encrypt') || !is_callable('openssl_decrypt')) { // OpenSSL isn't installed return false; } return (bool) in_array('aes-256-gcm', openssl_get_cipher_methods()); } /** * Authenticated Encryption with Associated Data: Decryption * * Algorithm: * AES-256-GCM * * This mode uses a 64-bit random nonce with a 64-bit counter. * IETF mode uses a 96-bit random nonce with a 32-bit counter. * * @param string $ciphertext Encrypted message (with Poly1305 MAC appended) * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 8 bytes * @param string $key Encryption key * * @return string|bool The original plaintext message * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_aead_aes256gcm_decrypt( $ciphertext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '' ) { if (!self::crypto_aead_aes256gcm_is_available()) { throw new SodiumException('AES-256-GCM is not available'); } ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_AES256GCM_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_AES256GCM_NPUBBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_AES256GCM_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_AES256GCM_KEYBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_AES256GCM_ABYTES) { throw new SodiumException('Message must be at least CRYPTO_AEAD_AES256GCM_ABYTES long'); } if (!is_callable('openssl_decrypt')) { throw new SodiumException('The OpenSSL extension is not installed, or openssl_decrypt() is not available'); } /** @var string $ctext */ $ctext = ParagonIE_Sodium_Core_Util::substr($ciphertext, 0, -self::CRYPTO_AEAD_AES256GCM_ABYTES); /** @var string $authTag */ $authTag = ParagonIE_Sodium_Core_Util::substr($ciphertext, -self::CRYPTO_AEAD_AES256GCM_ABYTES, 16); return openssl_decrypt( $ctext, 'aes-256-gcm', $key, OPENSSL_RAW_DATA, $nonce, $authTag, $assocData ); } /** * Authenticated Encryption with Associated Data: Encryption * * Algorithm: * AES-256-GCM * * @param string $plaintext Message to be encrypted * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 8 bytes * @param string $key Encryption key * * @return string Ciphertext with a 16-byte GCM message * authentication code appended * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_aead_aes256gcm_encrypt( #[\SensitiveParameter] $plaintext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '' ) { if (!self::crypto_aead_aes256gcm_is_available()) { throw new SodiumException('AES-256-GCM is not available'); } ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_AES256GCM_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_AES256GCM_NPUBBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_AES256GCM_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_AES256GCM_KEYBYTES long'); } if (!is_callable('openssl_encrypt')) { throw new SodiumException('The OpenSSL extension is not installed, or openssl_encrypt() is not available'); } $authTag = ''; $ciphertext = openssl_encrypt( $plaintext, 'aes-256-gcm', $key, OPENSSL_RAW_DATA, $nonce, $authTag, $assocData ); return $ciphertext . $authTag; } /** * Return a secure random key for use with the AES-256-GCM * symmetric AEAD interface. * * @return string * @throws Exception * @throws Error */ public static function crypto_aead_aes256gcm_keygen() { return random_bytes(self::CRYPTO_AEAD_AES256GCM_KEYBYTES); } /** * Authenticated Encryption with Associated Data: Decryption * * Algorithm: * ChaCha20-Poly1305 * * This mode uses a 64-bit random nonce with a 64-bit counter. * IETF mode uses a 96-bit random nonce with a 32-bit counter. * * @param string $ciphertext Encrypted message (with Poly1305 MAC appended) * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 8 bytes * @param string $key Encryption key * * @return string The original plaintext message * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_aead_chacha20poly1305_decrypt( $ciphertext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '' ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_CHACHA20POLY1305_ABYTES) { throw new SodiumException('Message must be at least CRYPTO_AEAD_CHACHA20POLY1305_ABYTES long'); } if (self::useNewSodiumAPI()) { /** * @psalm-suppress InvalidReturnStatement * @psalm-suppress FalsableReturnStatement */ return sodium_crypto_aead_chacha20poly1305_decrypt( $ciphertext, $assocData, $nonce, $key ); } if (self::use_fallback('crypto_aead_chacha20poly1305_decrypt')) { return call_user_func( '\\Sodium\\crypto_aead_chacha20poly1305_decrypt', $ciphertext, $assocData, $nonce, $key ); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_decrypt( $ciphertext, $assocData, $nonce, $key ); } return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_decrypt( $ciphertext, $assocData, $nonce, $key ); } /** * Authenticated Encryption with Associated Data * * Algorithm: * ChaCha20-Poly1305 * * This mode uses a 64-bit random nonce with a 64-bit counter. * IETF mode uses a 96-bit random nonce with a 32-bit counter. * * @param string $plaintext Message to be encrypted * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 8 bytes * @param string $key Encryption key * * @return string Ciphertext with a 16-byte Poly1305 message * authentication code appended * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_aead_chacha20poly1305_encrypt( #[\SensitiveParameter] $plaintext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '' ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long'); } if (self::useNewSodiumAPI()) { return (string) sodium_crypto_aead_chacha20poly1305_encrypt( $plaintext, $assocData, $nonce, $key ); } if (self::use_fallback('crypto_aead_chacha20poly1305_encrypt')) { return (string) call_user_func( '\\Sodium\\crypto_aead_chacha20poly1305_encrypt', $plaintext, $assocData, $nonce, $key ); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_encrypt( $plaintext, $assocData, $nonce, $key ); } return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_encrypt( $plaintext, $assocData, $nonce, $key ); } /** * Authenticated Encryption with Associated Data: Decryption * * Algorithm: * ChaCha20-Poly1305 * * IETF mode uses a 96-bit random nonce with a 32-bit counter. * Regular mode uses a 64-bit random nonce with a 64-bit counter. * * @param string $ciphertext Encrypted message (with Poly1305 MAC appended) * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 12 bytes * @param string $key Encryption key * * @return string The original plaintext message * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_aead_chacha20poly1305_ietf_decrypt( $ciphertext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '' ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_CHACHA20POLY1305_ABYTES) { throw new SodiumException('Message must be at least CRYPTO_AEAD_CHACHA20POLY1305_ABYTES long'); } if (self::useNewSodiumAPI()) { /** * @psalm-suppress InvalidReturnStatement * @psalm-suppress FalsableReturnStatement */ return sodium_crypto_aead_chacha20poly1305_ietf_decrypt( $ciphertext, $assocData, $nonce, $key ); } if (self::use_fallback('crypto_aead_chacha20poly1305_ietf_decrypt')) { return call_user_func( '\\Sodium\\crypto_aead_chacha20poly1305_ietf_decrypt', $ciphertext, $assocData, $nonce, $key ); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_ietf_decrypt( $ciphertext, $assocData, $nonce, $key ); } return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_ietf_decrypt( $ciphertext, $assocData, $nonce, $key ); } /** * Return a secure random key for use with the ChaCha20-Poly1305 * symmetric AEAD interface. * * @return string * @throws Exception * @throws Error */ public static function crypto_aead_chacha20poly1305_keygen() { return random_bytes(self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES); } /** * Authenticated Encryption with Associated Data * * Algorithm: * ChaCha20-Poly1305 * * IETF mode uses a 96-bit random nonce with a 32-bit counter. * Regular mode uses a 64-bit random nonce with a 64-bit counter. * * @param string $plaintext Message to be encrypted * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 8 bytes * @param string $key Encryption key * * @return string Ciphertext with a 16-byte Poly1305 message * authentication code appended * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_aead_chacha20poly1305_ietf_encrypt( #[\SensitiveParameter] $plaintext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '' ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); if (!is_null($assocData)) { ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); } ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long'); } if (self::useNewSodiumAPI()) { return (string) sodium_crypto_aead_chacha20poly1305_ietf_encrypt( $plaintext, $assocData, $nonce, $key ); } if (self::use_fallback('crypto_aead_chacha20poly1305_ietf_encrypt')) { return (string) call_user_func( '\\Sodium\\crypto_aead_chacha20poly1305_ietf_encrypt', $plaintext, $assocData, $nonce, $key ); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_ietf_encrypt( $plaintext, $assocData, $nonce, $key ); } return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_ietf_encrypt( $plaintext, $assocData, $nonce, $key ); } /** * Return a secure random key for use with the ChaCha20-Poly1305 * symmetric AEAD interface. (IETF version) * * @return string * @throws Exception * @throws Error */ public static function crypto_aead_chacha20poly1305_ietf_keygen() { return random_bytes(self::CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES); } /** * Authenticated Encryption with Associated Data: Decryption * * Algorithm: * XChaCha20-Poly1305 * * This mode uses a 64-bit random nonce with a 64-bit counter. * IETF mode uses a 96-bit random nonce with a 32-bit counter. * * @param string $ciphertext Encrypted message (with Poly1305 MAC appended) * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 8 bytes * @param string $key Encryption key * @param bool $dontFallback Don't fallback to ext/sodium * * @return string|bool The original plaintext message * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_aead_xchacha20poly1305_ietf_decrypt( $ciphertext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '', $dontFallback = false ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); if (!is_null($assocData)) { ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); } else { $assocData = ''; } ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES) { throw new SodiumException('Message must be at least CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES long'); } if (self::useNewSodiumAPI() && !$dontFallback) { if (is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_decrypt')) { return sodium_crypto_aead_xchacha20poly1305_ietf_decrypt( $ciphertext, $assocData, $nonce, $key ); } } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::aead_xchacha20poly1305_ietf_decrypt( $ciphertext, $assocData, $nonce, $key ); } return ParagonIE_Sodium_Crypto::aead_xchacha20poly1305_ietf_decrypt( $ciphertext, $assocData, $nonce, $key ); } /** * Authenticated Encryption with Associated Data * * Algorithm: * XChaCha20-Poly1305 * * This mode uses a 64-bit random nonce with a 64-bit counter. * IETF mode uses a 96-bit random nonce with a 32-bit counter. * * @param string $plaintext Message to be encrypted * @param string $assocData Authenticated Associated Data (unencrypted) * @param string $nonce Number to be used only Once; must be 8 bytes * @param string $key Encryption key * @param bool $dontFallback Don't fallback to ext/sodium * * @return string Ciphertext with a 16-byte Poly1305 message * authentication code appended * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_aead_xchacha20poly1305_ietf_encrypt( #[\SensitiveParameter] $plaintext = '', $assocData = '', $nonce = '', #[\SensitiveParameter] $key = '', $dontFallback = false ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); if (!is_null($assocData)) { ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); } else { $assocData = ''; } ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES) { throw new SodiumException('Nonce must be CRYPTO_AEAD_XCHACHA20POLY1305_NPUBBYTES long'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES) { throw new SodiumException('Key must be CRYPTO_AEAD_XCHACHA20POLY1305_KEYBYTES long'); } if (self::useNewSodiumAPI() && !$dontFallback) { if (is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_encrypt')) { return sodium_crypto_aead_xchacha20poly1305_ietf_encrypt( $plaintext, $assocData, $nonce, $key ); } } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::aead_xchacha20poly1305_ietf_encrypt( $plaintext, $assocData, $nonce, $key ); } return ParagonIE_Sodium_Crypto::aead_xchacha20poly1305_ietf_encrypt( $plaintext, $assocData, $nonce, $key ); } /** * Return a secure random key for use with the XChaCha20-Poly1305 * symmetric AEAD interface. * * @return string * @throws Exception * @throws Error */ public static function crypto_aead_xchacha20poly1305_ietf_keygen() { return random_bytes(self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES); } /** * Authenticate a message. Uses symmetric-key cryptography. * * Algorithm: * HMAC-SHA512-256. Which is HMAC-SHA-512 truncated to 256 bits. * Not to be confused with HMAC-SHA-512/256 which would use the * SHA-512/256 hash function (uses different initial parameters * but still truncates to 256 bits to sidestep length-extension * attacks). * * @param string $message Message to be authenticated * @param string $key Symmetric authentication key * @return string Message authentication code * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_auth( $message, #[\SensitiveParameter] $key ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 2); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AUTH_KEYBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_AUTH_KEYBYTES long.'); } if (self::useNewSodiumAPI()) { return (string) sodium_crypto_auth($message, $key); } if (self::use_fallback('crypto_auth')) { return (string) call_user_func('\\Sodium\\crypto_auth', $message, $key); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::auth($message, $key); } return ParagonIE_Sodium_Crypto::auth($message, $key); } /** * @return string * @throws Exception * @throws Error */ public static function crypto_auth_keygen() { return random_bytes(self::CRYPTO_AUTH_KEYBYTES); } /** * Verify the MAC of a message previously authenticated with crypto_auth. * * @param string $mac Message authentication code * @param string $message Message whose authenticity you are attempting to * verify (with a given MAC and key) * @param string $key Symmetric authentication key * @return bool TRUE if authenticated, FALSE otherwise * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_auth_verify( $mac, $message, #[\SensitiveParameter] $key ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($mac, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($mac) !== self::CRYPTO_AUTH_BYTES) { throw new SodiumException('Argument 1 must be CRYPTO_AUTH_BYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AUTH_KEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_AUTH_KEYBYTES long.'); } if (self::useNewSodiumAPI()) { return (bool) sodium_crypto_auth_verify($mac, $message, $key); } if (self::use_fallback('crypto_auth_verify')) { return (bool) call_user_func('\\Sodium\\crypto_auth_verify', $mac, $message, $key); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::auth_verify($mac, $message, $key); } return ParagonIE_Sodium_Crypto::auth_verify($mac, $message, $key); } /** * Authenticated asymmetric-key encryption. Both the sender and recipient * may decrypt messages. * * Algorithm: X25519-XSalsa20-Poly1305. * X25519: Elliptic-Curve Diffie Hellman over Curve25519. * XSalsa20: Extended-nonce variant of salsa20. * Poyl1305: Polynomial MAC for one-time message authentication. * * @param string $plaintext The message to be encrypted * @param string $nonce A Number to only be used Once; must be 24 bytes * @param string $keypair Your secret key and your recipient's public key * @return string Ciphertext with 16-byte Poly1305 MAC * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_box( $plaintext, $nonce, #[\SensitiveParameter] $keypair ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_BOX_NONCEBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_BOX_NONCEBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_BOX_KEYPAIRBYTES long.'); } if (self::useNewSodiumAPI()) { return (string) sodium_crypto_box($plaintext, $nonce, $keypair); } if (self::use_fallback('crypto_box')) { return (string) call_user_func('\\Sodium\\crypto_box', $plaintext, $nonce, $keypair); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::box($plaintext, $nonce, $keypair); } return ParagonIE_Sodium_Crypto::box($plaintext, $nonce, $keypair); } /** * Anonymous public-key encryption. Only the recipient may decrypt messages. * * Algorithm: X25519-XSalsa20-Poly1305, as with crypto_box. * The sender's X25519 keypair is ephemeral. * Nonce is generated from the BLAKE2b hash of both public keys. * * This provides ciphertext integrity. * * @param string $plaintext Message to be sealed * @param string $publicKey Your recipient's public key * @return string Sealed message that only your recipient can * decrypt * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_box_seal( #[\SensitiveParameter] $plaintext, $publicKey ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); } if (self::useNewSodiumAPI()) { return (string) sodium_crypto_box_seal($plaintext, $publicKey); } if (self::use_fallback('crypto_box_seal')) { return (string) call_user_func('\\Sodium\\crypto_box_seal', $plaintext, $publicKey); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::box_seal($plaintext, $publicKey); } return ParagonIE_Sodium_Crypto::box_seal($plaintext, $publicKey); } /** * Opens a message encrypted with crypto_box_seal(). Requires * the recipient's keypair (sk || pk) to decrypt successfully. * * This validates ciphertext integrity. * * @param string $ciphertext Sealed message to be opened * @param string $keypair Your crypto_box keypair * @return string The original plaintext message * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_box_seal_open( $ciphertext, #[\SensitiveParameter] $keypair ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 2); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_BOX_KEYPAIRBYTES long.'); } if (self::useNewSodiumAPI()) { /** * @psalm-suppress InvalidReturnStatement * @psalm-suppress FalsableReturnStatement */ return sodium_crypto_box_seal_open($ciphertext, $keypair); } if (self::use_fallback('crypto_box_seal_open')) { return call_user_func('\\Sodium\\crypto_box_seal_open', $ciphertext, $keypair); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::box_seal_open($ciphertext, $keypair); } return ParagonIE_Sodium_Crypto::box_seal_open($ciphertext, $keypair); } /** * Generate a new random X25519 keypair. * * @return string A 64-byte string; the first 32 are your secret key, while * the last 32 are your public key. crypto_box_secretkey() * and crypto_box_publickey() exist to separate them so you * don't accidentally get them mixed up! * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_box_keypair() { if (self::useNewSodiumAPI()) { return (string) sodium_crypto_box_keypair(); } if (self::use_fallback('crypto_box_keypair')) { return (string) call_user_func('\\Sodium\\crypto_box_keypair'); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::box_keypair(); } return ParagonIE_Sodium_Crypto::box_keypair(); } /** * Combine two keys into a keypair for use in library methods that expect * a keypair. This doesn't necessarily have to be the same person's keys. * * @param string $secretKey Secret key * @param string $publicKey Public key * @return string Keypair * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_box_keypair_from_secretkey_and_publickey( #[\SensitiveParameter] $secretKey, $publicKey ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) { throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); } if (self::useNewSodiumAPI()) { return (string) sodium_crypto_box_keypair_from_secretkey_and_publickey($secretKey, $publicKey); } if (self::use_fallback('crypto_box_keypair_from_secretkey_and_publickey')) { return (string) call_user_func('\\Sodium\\crypto_box_keypair_from_secretkey_and_publickey', $secretKey, $publicKey); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::box_keypair_from_secretkey_and_publickey($secretKey, $publicKey); } return ParagonIE_Sodium_Crypto::box_keypair_from_secretkey_and_publickey($secretKey, $publicKey); } /** * Decrypt a message previously encrypted with crypto_box(). * * @param string $ciphertext Encrypted message * @param string $nonce Number to only be used Once; must be 24 bytes * @param string $keypair Your secret key and the sender's public key * @return string The original plaintext message * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_box_open( $ciphertext, $nonce, #[\SensitiveParameter] $keypair ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_BOX_MACBYTES) { throw new SodiumException('Argument 1 must be at least CRYPTO_BOX_MACBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_BOX_NONCEBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_BOX_NONCEBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_BOX_KEYPAIRBYTES long.'); } if (self::useNewSodiumAPI()) { /** * @psalm-suppress InvalidReturnStatement * @psalm-suppress FalsableReturnStatement */ return sodium_crypto_box_open($ciphertext, $nonce, $keypair); } if (self::use_fallback('crypto_box_open')) { return call_user_func('\\Sodium\\crypto_box_open', $ciphertext, $nonce, $keypair); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::box_open($ciphertext, $nonce, $keypair); } return ParagonIE_Sodium_Crypto::box_open($ciphertext, $nonce, $keypair); } /** * Extract the public key from a crypto_box keypair. * * @param string $keypair Keypair containing secret and public key * @return string Your crypto_box public key * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_box_publickey( #[\SensitiveParameter] $keypair ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) { throw new SodiumException('Argument 1 must be CRYPTO_BOX_KEYPAIRBYTES long.'); } if (self::useNewSodiumAPI()) { return (string) sodium_crypto_box_publickey($keypair); } if (self::use_fallback('crypto_box_publickey')) { return (string) call_user_func('\\Sodium\\crypto_box_publickey', $keypair); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::box_publickey($keypair); } return ParagonIE_Sodium_Crypto::box_publickey($keypair); } /** * Calculate the X25519 public key from a given X25519 secret key. * * @param string $secretKey Any X25519 secret key * @return string The corresponding X25519 public key * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_box_publickey_from_secretkey( #[\SensitiveParameter] $secretKey ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) { throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.'); } if (self::useNewSodiumAPI()) { return (string) sodium_crypto_box_publickey_from_secretkey($secretKey); } if (self::use_fallback('crypto_box_publickey_from_secretkey')) { return (string) call_user_func('\\Sodium\\crypto_box_publickey_from_secretkey', $secretKey); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::box_publickey_from_secretkey($secretKey); } return ParagonIE_Sodium_Crypto::box_publickey_from_secretkey($secretKey); } /** * Extract the secret key from a crypto_box keypair. * * @param string $keypair * @return string Your crypto_box secret key * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_box_secretkey( #[\SensitiveParameter] $keypair ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) { throw new SodiumException('Argument 1 must be CRYPTO_BOX_KEYPAIRBYTES long.'); } if (self::useNewSodiumAPI()) { return (string) sodium_crypto_box_secretkey($keypair); } if (self::use_fallback('crypto_box_secretkey')) { return (string) call_user_func('\\Sodium\\crypto_box_secretkey', $keypair); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::box_secretkey($keypair); } return ParagonIE_Sodium_Crypto::box_secretkey($keypair); } /** * Generate an X25519 keypair from a seed. * * @param string $seed * @return string * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress UndefinedFunction */ public static function crypto_box_seed_keypair( #[\SensitiveParameter] $seed ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($seed, 'string', 1); if (self::useNewSodiumAPI()) { return (string) sodium_crypto_box_seed_keypair($seed); } if (self::use_fallback('crypto_box_seed_keypair')) { return (string) call_user_func('\\Sodium\\crypto_box_seed_keypair', $seed); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::box_seed_keypair($seed); } return ParagonIE_Sodium_Crypto::box_seed_keypair($seed); } /** * Calculates a BLAKE2b hash, with an optional key. * * @param string $message The message to be hashed * @param string|null $key If specified, must be a string between 16 * and 64 bytes long * @param int $length Output length in bytes; must be between 16 * and 64 (default = 32) * @return string Raw binary * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_generichash( $message, #[\SensitiveParameter] $key = '', $length = self::CRYPTO_GENERICHASH_BYTES ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); if (is_null($key)) { $key = ''; } ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 3); /* Input validation: */ if (!empty($key)) { if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) { throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) { throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.'); } } if (self::useNewSodiumAPI()) { return (string) sodium_crypto_generichash($message, $key, $length); } if (self::use_fallback('crypto_generichash')) { return (string) call_user_func('\\Sodium\\crypto_generichash', $message, $key, $length); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::generichash($message, $key, $length); } return ParagonIE_Sodium_Crypto::generichash($message, $key, $length); } /** * Get the final BLAKE2b hash output for a given context. * * @param string $ctx BLAKE2 hashing context. Generated by crypto_generichash_init(). * @param int $length Hash output size. * @return string Final BLAKE2b hash. * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress ReferenceConstraintViolation * @psalm-suppress ConflictingReferenceConstraint */ public static function crypto_generichash_final( #[\SensitiveParameter] &$ctx, $length = self::CRYPTO_GENERICHASH_BYTES ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($ctx, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 2); if (self::useNewSodiumAPI()) { return sodium_crypto_generichash_final($ctx, $length); } if (self::use_fallback('crypto_generichash_final')) { $func = '\\Sodium\\crypto_generichash_final'; return (string) $func($ctx, $length); } if ($length < 1) { try { self::memzero($ctx); } catch (SodiumException $ex) { unset($ctx); } return ''; } if (PHP_INT_SIZE === 4) { $result = ParagonIE_Sodium_Crypto32::generichash_final($ctx, $length); } else { $result = ParagonIE_Sodium_Crypto::generichash_final($ctx, $length); } try { self::memzero($ctx); } catch (SodiumException $ex) { unset($ctx); } return $result; } /** * Initialize a BLAKE2b hashing context, for use in a streaming interface. * * @param string|null $key If specified must be a string between 16 and 64 bytes * @param int $length The size of the desired hash output * @return string A BLAKE2 hashing context, encoded as a string * (To be 100% compatible with ext/libsodium) * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_generichash_init( #[\SensitiveParameter] $key = '', $length = self::CRYPTO_GENERICHASH_BYTES ) { /* Type checks: */ if (is_null($key)) { $key = ''; } ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 2); /* Input validation: */ if (!empty($key)) { if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) { throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) { throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.'); } } if (self::useNewSodiumAPI()) { return sodium_crypto_generichash_init($key, $length); } if (self::use_fallback('crypto_generichash_init')) { return (string) call_user_func('\\Sodium\\crypto_generichash_init', $key, $length); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::generichash_init($key, $length); } return ParagonIE_Sodium_Crypto::generichash_init($key, $length); } /** * Initialize a BLAKE2b hashing context, for use in a streaming interface. * * @param string|null $key If specified must be a string between 16 and 64 bytes * @param int $length The size of the desired hash output * @param string $salt Salt (up to 16 bytes) * @param string $personal Personalization string (up to 16 bytes) * @return string A BLAKE2 hashing context, encoded as a string * (To be 100% compatible with ext/libsodium) * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_generichash_init_salt_personal( #[\SensitiveParameter] $key = '', $length = self::CRYPTO_GENERICHASH_BYTES, $salt = '', $personal = '' ) { /* Type checks: */ if (is_null($key)) { $key = ''; } ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 2); ParagonIE_Sodium_Core_Util::declareScalarType($salt, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($personal, 'string', 4); $salt = str_pad($salt, 16, "\0", STR_PAD_RIGHT); $personal = str_pad($personal, 16, "\0", STR_PAD_RIGHT); /* Input validation: */ if (!empty($key)) { /* if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) { throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.'); } */ if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) { throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.'); } } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::generichash_init_salt_personal($key, $length, $salt, $personal); } return ParagonIE_Sodium_Crypto::generichash_init_salt_personal($key, $length, $salt, $personal); } /** * Update a BLAKE2b hashing context with additional data. * * @param string $ctx BLAKE2 hashing context. Generated by crypto_generichash_init(). * $ctx is passed by reference and gets updated in-place. * @param-out string $ctx * @param string $message The message to append to the existing hash state. * @return void * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress ReferenceConstraintViolation */ public static function crypto_generichash_update( #[\SensitiveParameter] &$ctx, $message ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($ctx, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 2); if (self::useNewSodiumAPI()) { sodium_crypto_generichash_update($ctx, $message); return; } if (self::use_fallback('crypto_generichash_update')) { $func = '\\Sodium\\crypto_generichash_update'; $func($ctx, $message); return; } if (PHP_INT_SIZE === 4) { $ctx = ParagonIE_Sodium_Crypto32::generichash_update($ctx, $message); } else { $ctx = ParagonIE_Sodium_Crypto::generichash_update($ctx, $message); } } /** * @return string * @throws Exception * @throws Error */ public static function crypto_generichash_keygen() { return random_bytes(self::CRYPTO_GENERICHASH_KEYBYTES); } /** * @param int $subkey_len * @param int $subkey_id * @param string $context * @param string $key * @return string * @throws SodiumException */ public static function crypto_kdf_derive_from_key( $subkey_len, $subkey_id, $context, #[\SensitiveParameter] $key ) { ParagonIE_Sodium_Core_Util::declareScalarType($subkey_len, 'int', 1); ParagonIE_Sodium_Core_Util::declareScalarType($subkey_id, 'int', 2); ParagonIE_Sodium_Core_Util::declareScalarType($context, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); $subkey_id = (int) $subkey_id; $subkey_len = (int) $subkey_len; $context = (string) $context; $key = (string) $key; if ($subkey_len < self::CRYPTO_KDF_BYTES_MIN) { throw new SodiumException('subkey cannot be smaller than SODIUM_CRYPTO_KDF_BYTES_MIN'); } if ($subkey_len > self::CRYPTO_KDF_BYTES_MAX) { throw new SodiumException('subkey cannot be larger than SODIUM_CRYPTO_KDF_BYTES_MAX'); } if ($subkey_id < 0) { throw new SodiumException('subkey_id cannot be negative'); } if (ParagonIE_Sodium_Core_Util::strlen($context) !== self::CRYPTO_KDF_CONTEXTBYTES) { throw new SodiumException('context should be SODIUM_CRYPTO_KDF_CONTEXTBYTES bytes'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_KDF_KEYBYTES) { throw new SodiumException('key should be SODIUM_CRYPTO_KDF_KEYBYTES bytes'); } $salt = ParagonIE_Sodium_Core_Util::store64_le($subkey_id); $state = self::crypto_generichash_init_salt_personal( $key, $subkey_len, $salt, $context ); return self::crypto_generichash_final($state, $subkey_len); } /** * @return string * @throws Exception * @throws Error */ public static function crypto_kdf_keygen() { return random_bytes(self::CRYPTO_KDF_KEYBYTES); } /** * Perform a key exchange, between a designated client and a server. * * Typically, you would designate one machine to be the client and the * other to be the server. The first two keys are what you'd expect for * scalarmult() below, but the latter two public keys don't swap places. * * | ALICE | BOB | * | Client | Server | * |--------------------------------|-------------------------------------| * | shared = crypto_kx( | shared = crypto_kx( | * | alice_sk, | bob_sk, | <- contextual * | bob_pk, | alice_pk, | <- contextual * | alice_pk, | alice_pk, | <----- static * | bob_pk | bob_pk | <----- static * | ) | ) | * * They are used along with the scalarmult product to generate a 256-bit * BLAKE2b hash unique to the client and server keys. * * @param string $my_secret * @param string $their_public * @param string $client_public * @param string $server_public * @param bool $dontFallback * @return string * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_kx( #[\SensitiveParameter] $my_secret, $their_public, $client_public, $server_public, $dontFallback = false ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($my_secret, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($their_public, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($client_public, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($server_public, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($my_secret) !== self::CRYPTO_BOX_SECRETKEYBYTES) { throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($their_public) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($client_public) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($server_public) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { throw new SodiumException('Argument 4 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); } if (self::useNewSodiumAPI() && !$dontFallback) { if (is_callable('sodium_crypto_kx')) { return (string) sodium_crypto_kx( $my_secret, $their_public, $client_public, $server_public ); } } if (self::use_fallback('crypto_kx')) { return (string) call_user_func( '\\Sodium\\crypto_kx', $my_secret, $their_public, $client_public, $server_public ); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::keyExchange( $my_secret, $their_public, $client_public, $server_public ); } return ParagonIE_Sodium_Crypto::keyExchange( $my_secret, $their_public, $client_public, $server_public ); } /** * @param string $seed * @return string * @throws SodiumException */ public static function crypto_kx_seed_keypair( #[\SensitiveParameter] $seed ) { ParagonIE_Sodium_Core_Util::declareScalarType($seed, 'string', 1); $seed = (string) $seed; if (ParagonIE_Sodium_Core_Util::strlen($seed) !== self::CRYPTO_KX_SEEDBYTES) { throw new SodiumException('seed must be SODIUM_CRYPTO_KX_SEEDBYTES bytes'); } $sk = self::crypto_generichash($seed, '', self::CRYPTO_KX_SECRETKEYBYTES); $pk = self::crypto_scalarmult_base($sk); return $sk . $pk; } /** * @return string * @throws Exception */ public static function crypto_kx_keypair() { $sk = self::randombytes_buf(self::CRYPTO_KX_SECRETKEYBYTES); $pk = self::crypto_scalarmult_base($sk); return $sk . $pk; } /** * @param string $keypair * @param string $serverPublicKey * @return array{0: string, 1: string} * @throws SodiumException */ public static function crypto_kx_client_session_keys( #[\SensitiveParameter] $keypair, $serverPublicKey ) { ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($serverPublicKey, 'string', 2); $keypair = (string) $keypair; $serverPublicKey = (string) $serverPublicKey; if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_KX_KEYPAIRBYTES) { throw new SodiumException('keypair should be SODIUM_CRYPTO_KX_KEYPAIRBYTES bytes'); } if (ParagonIE_Sodium_Core_Util::strlen($serverPublicKey) !== self::CRYPTO_KX_PUBLICKEYBYTES) { throw new SodiumException('public keys must be SODIUM_CRYPTO_KX_PUBLICKEYBYTES bytes'); } $sk = self::crypto_kx_secretkey($keypair); $pk = self::crypto_kx_publickey($keypair); $h = self::crypto_generichash_init(null, self::CRYPTO_KX_SESSIONKEYBYTES * 2); self::crypto_generichash_update($h, self::crypto_scalarmult($sk, $serverPublicKey)); self::crypto_generichash_update($h, $pk); self::crypto_generichash_update($h, $serverPublicKey); $sessionKeys = self::crypto_generichash_final($h, self::CRYPTO_KX_SESSIONKEYBYTES * 2); return array( ParagonIE_Sodium_Core_Util::substr( $sessionKeys, 0, self::CRYPTO_KX_SESSIONKEYBYTES ), ParagonIE_Sodium_Core_Util::substr( $sessionKeys, self::CRYPTO_KX_SESSIONKEYBYTES, self::CRYPTO_KX_SESSIONKEYBYTES ) ); } /** * @param string $keypair * @param string $clientPublicKey * @return array{0: string, 1: string} * @throws SodiumException */ public static function crypto_kx_server_session_keys( #[\SensitiveParameter] $keypair, $clientPublicKey ) { ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($clientPublicKey, 'string', 2); $keypair = (string) $keypair; $clientPublicKey = (string) $clientPublicKey; if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_KX_KEYPAIRBYTES) { throw new SodiumException('keypair should be SODIUM_CRYPTO_KX_KEYPAIRBYTES bytes'); } if (ParagonIE_Sodium_Core_Util::strlen($clientPublicKey) !== self::CRYPTO_KX_PUBLICKEYBYTES) { throw new SodiumException('public keys must be SODIUM_CRYPTO_KX_PUBLICKEYBYTES bytes'); } $sk = self::crypto_kx_secretkey($keypair); $pk = self::crypto_kx_publickey($keypair); $h = self::crypto_generichash_init(null, self::CRYPTO_KX_SESSIONKEYBYTES * 2); self::crypto_generichash_update($h, self::crypto_scalarmult($sk, $clientPublicKey)); self::crypto_generichash_update($h, $clientPublicKey); self::crypto_generichash_update($h, $pk); $sessionKeys = self::crypto_generichash_final($h, self::CRYPTO_KX_SESSIONKEYBYTES * 2); return array( ParagonIE_Sodium_Core_Util::substr( $sessionKeys, self::CRYPTO_KX_SESSIONKEYBYTES, self::CRYPTO_KX_SESSIONKEYBYTES ), ParagonIE_Sodium_Core_Util::substr( $sessionKeys, 0, self::CRYPTO_KX_SESSIONKEYBYTES ) ); } /** * @param string $kp * @return string * @throws SodiumException */ public static function crypto_kx_secretkey( #[\SensitiveParameter] $kp ) { return ParagonIE_Sodium_Core_Util::substr( $kp, 0, self::CRYPTO_KX_SECRETKEYBYTES ); } /** * @param string $kp * @return string * @throws SodiumException */ public static function crypto_kx_publickey($kp) { return ParagonIE_Sodium_Core_Util::substr( $kp, self::CRYPTO_KX_SECRETKEYBYTES, self::CRYPTO_KX_PUBLICKEYBYTES ); } /** * @param int $outlen * @param string $passwd * @param string $salt * @param int $opslimit * @param int $memlimit * @param int|null $alg * @return string * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_pwhash( $outlen, #[\SensitiveParameter] $passwd, $salt, $opslimit, $memlimit, $alg = null ) { ParagonIE_Sodium_Core_Util::declareScalarType($outlen, 'int', 1); ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($salt, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 4); ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 5); if (self::useNewSodiumAPI()) { if (!is_null($alg)) { ParagonIE_Sodium_Core_Util::declareScalarType($alg, 'int', 6); return sodium_crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit, $alg); } return sodium_crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit); } if (self::use_fallback('crypto_pwhash')) { return (string) call_user_func('\\Sodium\\crypto_pwhash', $outlen, $passwd, $salt, $opslimit, $memlimit); } // This is the best we can do. throw new SodiumException( 'This is not implemented, as it is not possible to implement Argon2i with acceptable performance in pure-PHP' ); } /** * !Exclusive to sodium_compat! * * This returns TRUE if the native crypto_pwhash API is available by libsodium. * This returns FALSE if only sodium_compat is available. * * @return bool */ public static function crypto_pwhash_is_available() { if (self::useNewSodiumAPI()) { return true; } if (self::use_fallback('crypto_pwhash')) { return true; } return false; } /** * @param string $passwd * @param int $opslimit * @param int $memlimit * @return string * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_pwhash_str( #[\SensitiveParameter] $passwd, $opslimit, $memlimit ) { ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 2); ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 3); if (self::useNewSodiumAPI()) { return sodium_crypto_pwhash_str($passwd, $opslimit, $memlimit); } if (self::use_fallback('crypto_pwhash_str')) { return (string) call_user_func('\\Sodium\\crypto_pwhash_str', $passwd, $opslimit, $memlimit); } // This is the best we can do. throw new SodiumException( 'This is not implemented, as it is not possible to implement Argon2i with acceptable performance in pure-PHP' ); } /** * Do we need to rehash this password? * * @param string $hash * @param int $opslimit * @param int $memlimit * @return bool * @throws SodiumException */ public static function crypto_pwhash_str_needs_rehash( #[\SensitiveParameter] $hash, $opslimit, $memlimit ) { ParagonIE_Sodium_Core_Util::declareScalarType($hash, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 2); ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 3); // Just grab the first 4 pieces. $pieces = explode('$', (string) $hash); $prefix = implode('$', array_slice($pieces, 0, 4)); // Rebuild the expected header. /** @var int $ops */ $ops = (int) $opslimit; /** @var int $mem */ $mem = (int) $memlimit >> 10; $encoded = self::CRYPTO_PWHASH_STRPREFIX . 'v=19$m=' . $mem . ',t=' . $ops . ',p=1'; // Do they match? If so, we don't need to rehash, so return false. return !ParagonIE_Sodium_Core_Util::hashEquals($encoded, $prefix); } /** * @param string $passwd * @param string $hash * @return bool * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_pwhash_str_verify( #[\SensitiveParameter] $passwd, #[\SensitiveParameter] $hash ) { ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($hash, 'string', 2); if (self::useNewSodiumAPI()) { return (bool) sodium_crypto_pwhash_str_verify($passwd, $hash); } if (self::use_fallback('crypto_pwhash_str_verify')) { return (bool) call_user_func('\\Sodium\\crypto_pwhash_str_verify', $passwd, $hash); } // This is the best we can do. throw new SodiumException( 'This is not implemented, as it is not possible to implement Argon2i with acceptable performance in pure-PHP' ); } /** * @param int $outlen * @param string $passwd * @param string $salt * @param int $opslimit * @param int $memlimit * @return string * @throws SodiumException * @throws TypeError */ public static function crypto_pwhash_scryptsalsa208sha256( $outlen, #[\SensitiveParameter] $passwd, $salt, $opslimit, $memlimit ) { ParagonIE_Sodium_Core_Util::declareScalarType($outlen, 'int', 1); ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($salt, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 4); ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 5); if (self::useNewSodiumAPI()) { return (string) sodium_crypto_pwhash_scryptsalsa208sha256( (int) $outlen, (string) $passwd, (string) $salt, (int) $opslimit, (int) $memlimit ); } if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256')) { return (string) call_user_func( '\\Sodium\\crypto_pwhash_scryptsalsa208sha256', (int) $outlen, (string) $passwd, (string) $salt, (int) $opslimit, (int) $memlimit ); } // This is the best we can do. throw new SodiumException( 'This is not implemented, as it is not possible to implement Scrypt with acceptable performance in pure-PHP' ); } /** * !Exclusive to sodium_compat! * * This returns TRUE if the native crypto_pwhash API is available by libsodium. * This returns FALSE if only sodium_compat is available. * * @return bool */ public static function crypto_pwhash_scryptsalsa208sha256_is_available() { if (self::useNewSodiumAPI()) { return true; } if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256')) { return true; } return false; } /** * @param string $passwd * @param int $opslimit * @param int $memlimit * @return string * @throws SodiumException * @throws TypeError */ public static function crypto_pwhash_scryptsalsa208sha256_str( #[\SensitiveParameter] $passwd, $opslimit, $memlimit ) { ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 2); ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 3); if (self::useNewSodiumAPI()) { return (string) sodium_crypto_pwhash_scryptsalsa208sha256_str( (string) $passwd, (int) $opslimit, (int) $memlimit ); } if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256_str')) { return (string) call_user_func( '\\Sodium\\crypto_pwhash_scryptsalsa208sha256_str', (string) $passwd, (int) $opslimit, (int) $memlimit ); } // This is the best we can do. throw new SodiumException( 'This is not implemented, as it is not possible to implement Scrypt with acceptable performance in pure-PHP' ); } /** * @param string $passwd * @param string $hash * @return bool * @throws SodiumException * @throws TypeError */ public static function crypto_pwhash_scryptsalsa208sha256_str_verify( #[\SensitiveParameter] $passwd, #[\SensitiveParameter] $hash ) { ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($hash, 'string', 2); if (self::useNewSodiumAPI()) { return (bool) sodium_crypto_pwhash_scryptsalsa208sha256_str_verify( (string) $passwd, (string) $hash ); } if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256_str_verify')) { return (bool) call_user_func( '\\Sodium\\crypto_pwhash_scryptsalsa208sha256_str_verify', (string) $passwd, (string) $hash ); } // This is the best we can do. throw new SodiumException( 'This is not implemented, as it is not possible to implement Scrypt with acceptable performance in pure-PHP' ); } /** * Calculate the shared secret between your secret key and your * recipient's public key. * * Algorithm: X25519 (ECDH over Curve25519) * * @param string $secretKey * @param string $publicKey * @return string * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_scalarmult( #[\SensitiveParameter] $secretKey, $publicKey ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) { throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_scalarmult($secretKey, $publicKey); } if (self::use_fallback('crypto_scalarmult')) { return (string) call_user_func('\\Sodium\\crypto_scalarmult', $secretKey, $publicKey); } /* Output validation: Forbid all-zero keys */ if (ParagonIE_Sodium_Core_Util::hashEquals($secretKey, str_repeat("\0", self::CRYPTO_BOX_SECRETKEYBYTES))) { throw new SodiumException('Zero secret key is not allowed'); } if (ParagonIE_Sodium_Core_Util::hashEquals($publicKey, str_repeat("\0", self::CRYPTO_BOX_PUBLICKEYBYTES))) { throw new SodiumException('Zero public key is not allowed'); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::scalarmult($secretKey, $publicKey); } return ParagonIE_Sodium_Crypto::scalarmult($secretKey, $publicKey); } /** * Calculate an X25519 public key from an X25519 secret key. * * @param string $secretKey * @return string * @throws SodiumException * @throws TypeError * @psalm-suppress TooFewArguments * @psalm-suppress MixedArgument */ public static function crypto_scalarmult_base( #[\SensitiveParameter] $secretKey ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) { throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_scalarmult_base($secretKey); } if (self::use_fallback('crypto_scalarmult_base')) { return (string) call_user_func('\\Sodium\\crypto_scalarmult_base', $secretKey); } if (ParagonIE_Sodium_Core_Util::hashEquals($secretKey, str_repeat("\0", self::CRYPTO_BOX_SECRETKEYBYTES))) { throw new SodiumException('Zero secret key is not allowed'); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::scalarmult_base($secretKey); } return ParagonIE_Sodium_Crypto::scalarmult_base($secretKey); } /** * Authenticated symmetric-key encryption. * * Algorithm: XSalsa20-Poly1305 * * @param string $plaintext The message you're encrypting * @param string $nonce A Number to be used Once; must be 24 bytes * @param string $key Symmetric encryption key * @return string Ciphertext with Poly1305 MAC * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_secretbox( #[\SensitiveParameter] $plaintext, $nonce, #[\SensitiveParameter] $key ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_secretbox($plaintext, $nonce, $key); } if (self::use_fallback('crypto_secretbox')) { return (string) call_user_func('\\Sodium\\crypto_secretbox', $plaintext, $nonce, $key); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::secretbox($plaintext, $nonce, $key); } return ParagonIE_Sodium_Crypto::secretbox($plaintext, $nonce, $key); } /** * Decrypts a message previously encrypted with crypto_secretbox(). * * @param string $ciphertext Ciphertext with Poly1305 MAC * @param string $nonce A Number to be used Once; must be 24 bytes * @param string $key Symmetric encryption key * @return string Original plaintext message * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_secretbox_open( $ciphertext, $nonce, #[\SensitiveParameter] $key ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); } if (self::useNewSodiumAPI()) { /** * @psalm-suppress InvalidReturnStatement * @psalm-suppress FalsableReturnStatement */ return sodium_crypto_secretbox_open($ciphertext, $nonce, $key); } if (self::use_fallback('crypto_secretbox_open')) { return call_user_func('\\Sodium\\crypto_secretbox_open', $ciphertext, $nonce, $key); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::secretbox_open($ciphertext, $nonce, $key); } return ParagonIE_Sodium_Crypto::secretbox_open($ciphertext, $nonce, $key); } /** * Return a secure random key for use with crypto_secretbox * * @return string * @throws Exception * @throws Error */ public static function crypto_secretbox_keygen() { return random_bytes(self::CRYPTO_SECRETBOX_KEYBYTES); } /** * Authenticated symmetric-key encryption. * * Algorithm: XChaCha20-Poly1305 * * @param string $plaintext The message you're encrypting * @param string $nonce A Number to be used Once; must be 24 bytes * @param string $key Symmetric encryption key * @return string Ciphertext with Poly1305 MAC * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_secretbox_xchacha20poly1305($plaintext, $nonce, $key) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::secretbox_xchacha20poly1305($plaintext, $nonce, $key); } return ParagonIE_Sodium_Crypto::secretbox_xchacha20poly1305($plaintext, $nonce, $key); } /** * Decrypts a message previously encrypted with crypto_secretbox_xchacha20poly1305(). * * @param string $ciphertext Ciphertext with Poly1305 MAC * @param string $nonce A Number to be used Once; must be 24 bytes * @param string $key Symmetric encryption key * @return string Original plaintext message * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_secretbox_xchacha20poly1305_open( $ciphertext, $nonce, #[\SensitiveParameter] $key ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key); } return ParagonIE_Sodium_Crypto::secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key); } /** * @param string $key * @return array<int, string> Returns a state and a header. * @throws Exception * @throws SodiumException */ public static function crypto_secretstream_xchacha20poly1305_init_push( #[\SensitiveParameter] $key ) { if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_init_push($key); } return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_init_push($key); } /** * @param string $header * @param string $key * @return string Returns a state. * @throws Exception */ public static function crypto_secretstream_xchacha20poly1305_init_pull( $header, #[\SensitiveParameter] $key ) { if (ParagonIE_Sodium_Core_Util::strlen($header) < self::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES) { throw new SodiumException( 'header size should be SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES bytes' ); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_init_pull($key, $header); } return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_init_pull($key, $header); } /** * @param string $state * @param string $msg * @param string $aad * @param int $tag * @return string * @throws SodiumException */ public static function crypto_secretstream_xchacha20poly1305_push( #[\SensitiveParameter] &$state, #[\SensitiveParameter] $msg, $aad = '', $tag = 0 ) { if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_push( $state, $msg, $aad, $tag ); } return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_push( $state, $msg, $aad, $tag ); } /** * @param string $state * @param string $msg * @param string $aad * @return bool|array{0: string, 1: int} * @throws SodiumException */ public static function crypto_secretstream_xchacha20poly1305_pull( #[\SensitiveParameter] &$state, $msg, $aad = '' ) { if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_pull( $state, $msg, $aad ); } return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_pull( $state, $msg, $aad ); } /** * @return string * @throws Exception */ public static function crypto_secretstream_xchacha20poly1305_keygen() { return random_bytes(self::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_KEYBYTES); } /** * @param string $state * @return void * @throws SodiumException */ public static function crypto_secretstream_xchacha20poly1305_rekey( #[\SensitiveParameter] &$state ) { if (PHP_INT_SIZE === 4) { ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_rekey($state); } else { ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_rekey($state); } } /** * Calculates a SipHash-2-4 hash of a message for a given key. * * @param string $message Input message * @param string $key SipHash-2-4 key * @return string Hash * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_shorthash( $message, #[\SensitiveParameter] $key ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 2); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SHORTHASH_KEYBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SHORTHASH_KEYBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_shorthash($message, $key); } if (self::use_fallback('crypto_shorthash')) { return (string) call_user_func('\\Sodium\\crypto_shorthash', $message, $key); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Core32_SipHash::sipHash24($message, $key); } return ParagonIE_Sodium_Core_SipHash::sipHash24($message, $key); } /** * Return a secure random key for use with crypto_shorthash * * @return string * @throws Exception * @throws Error */ public static function crypto_shorthash_keygen() { return random_bytes(self::CRYPTO_SHORTHASH_KEYBYTES); } /** * Returns a signed message. You probably want crypto_sign_detached() * instead, which only returns the signature. * * Algorithm: Ed25519 (EdDSA over Curve25519) * * @param string $message Message to be signed. * @param string $secretKey Secret signing key. * @return string Signed message (signature is prefixed). * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_sign( $message, #[\SensitiveParameter] $secretKey ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 2); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_SIGN_SECRETKEYBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SIGN_SECRETKEYBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_sign($message, $secretKey); } if (self::use_fallback('crypto_sign')) { return (string) call_user_func('\\Sodium\\crypto_sign', $message, $secretKey); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::sign($message, $secretKey); } return ParagonIE_Sodium_Crypto::sign($message, $secretKey); } /** * Validates a signed message then returns the message. * * @param string $signedMessage A signed message * @param string $publicKey A public key * @return string The original message (if the signature is * valid for this public key) * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedInferredReturnType * @psalm-suppress MixedReturnStatement */ public static function crypto_sign_open( $signedMessage, $publicKey ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($signedMessage, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($signedMessage) < self::CRYPTO_SIGN_BYTES) { throw new SodiumException('Argument 1 must be at least CRYPTO_SIGN_BYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_SIGN_PUBLICKEYBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SIGN_PUBLICKEYBYTES long.'); } if (self::useNewSodiumAPI()) { /** * @psalm-suppress InvalidReturnStatement * @psalm-suppress FalsableReturnStatement */ return sodium_crypto_sign_open($signedMessage, $publicKey); } if (self::use_fallback('crypto_sign_open')) { return call_user_func('\\Sodium\\crypto_sign_open', $signedMessage, $publicKey); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::sign_open($signedMessage, $publicKey); } return ParagonIE_Sodium_Crypto::sign_open($signedMessage, $publicKey); } /** * Generate a new random Ed25519 keypair. * * @return string * @throws SodiumException * @throws TypeError */ public static function crypto_sign_keypair() { if (self::useNewSodiumAPI()) { return sodium_crypto_sign_keypair(); } if (self::use_fallback('crypto_sign_keypair')) { return (string) call_user_func('\\Sodium\\crypto_sign_keypair'); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Core32_Ed25519::keypair(); } return ParagonIE_Sodium_Core_Ed25519::keypair(); } /** * @param string $sk * @param string $pk * @return string * @throws SodiumException */ public static function crypto_sign_keypair_from_secretkey_and_publickey( #[\SensitiveParameter] $sk, $pk ) { ParagonIE_Sodium_Core_Util::declareScalarType($sk, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($pk, 'string', 1); $sk = (string) $sk; $pk = (string) $pk; if (ParagonIE_Sodium_Core_Util::strlen($sk) !== self::CRYPTO_SIGN_SECRETKEYBYTES) { throw new SodiumException('secretkey should be SODIUM_CRYPTO_SIGN_SECRETKEYBYTES bytes'); } if (ParagonIE_Sodium_Core_Util::strlen($pk) !== self::CRYPTO_SIGN_PUBLICKEYBYTES) { throw new SodiumException('publickey should be SODIUM_CRYPTO_SIGN_PUBLICKEYBYTES bytes'); } if (self::useNewSodiumAPI()) { return sodium_crypto_sign_keypair_from_secretkey_and_publickey($sk, $pk); } return $sk . $pk; } /** * Generate an Ed25519 keypair from a seed. * * @param string $seed Input seed * @return string Keypair * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_sign_seed_keypair( #[\SensitiveParameter] $seed ) { ParagonIE_Sodium_Core_Util::declareScalarType($seed, 'string', 1); if (self::useNewSodiumAPI()) { return sodium_crypto_sign_seed_keypair($seed); } if (self::use_fallback('crypto_sign_keypair')) { return (string) call_user_func('\\Sodium\\crypto_sign_seed_keypair', $seed); } $publicKey = ''; $secretKey = ''; if (PHP_INT_SIZE === 4) { ParagonIE_Sodium_Core32_Ed25519::seed_keypair($publicKey, $secretKey, $seed); } else { ParagonIE_Sodium_Core_Ed25519::seed_keypair($publicKey, $secretKey, $seed); } return $secretKey . $publicKey; } /** * Extract an Ed25519 public key from an Ed25519 keypair. * * @param string $keypair Keypair * @return string Public key * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_sign_publickey( #[\SensitiveParameter] $keypair ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_SIGN_KEYPAIRBYTES) { throw new SodiumException('Argument 1 must be CRYPTO_SIGN_KEYPAIRBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_sign_publickey($keypair); } if (self::use_fallback('crypto_sign_publickey')) { return (string) call_user_func('\\Sodium\\crypto_sign_publickey', $keypair); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Core32_Ed25519::publickey($keypair); } return ParagonIE_Sodium_Core_Ed25519::publickey($keypair); } /** * Calculate an Ed25519 public key from an Ed25519 secret key. * * @param string $secretKey Your Ed25519 secret key * @return string The corresponding Ed25519 public key * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_sign_publickey_from_secretkey( #[\SensitiveParameter] $secretKey ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_SIGN_SECRETKEYBYTES) { throw new SodiumException('Argument 1 must be CRYPTO_SIGN_SECRETKEYBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_sign_publickey_from_secretkey($secretKey); } if (self::use_fallback('crypto_sign_publickey_from_secretkey')) { return (string) call_user_func('\\Sodium\\crypto_sign_publickey_from_secretkey', $secretKey); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Core32_Ed25519::publickey_from_secretkey($secretKey); } return ParagonIE_Sodium_Core_Ed25519::publickey_from_secretkey($secretKey); } /** * Extract an Ed25519 secret key from an Ed25519 keypair. * * @param string $keypair Keypair * @return string Secret key * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_sign_secretkey( #[\SensitiveParameter] $keypair ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_SIGN_KEYPAIRBYTES) { throw new SodiumException('Argument 1 must be CRYPTO_SIGN_KEYPAIRBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_sign_secretkey($keypair); } if (self::use_fallback('crypto_sign_secretkey')) { return (string) call_user_func('\\Sodium\\crypto_sign_secretkey', $keypair); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Core32_Ed25519::secretkey($keypair); } return ParagonIE_Sodium_Core_Ed25519::secretkey($keypair); } /** * Calculate the Ed25519 signature of a message and return ONLY the signature. * * Algorithm: Ed25519 (EdDSA over Curve25519) * * @param string $message Message to be signed * @param string $secretKey Secret signing key * @return string Digital signature * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_sign_detached( $message, #[\SensitiveParameter] $secretKey ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 2); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_SIGN_SECRETKEYBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SIGN_SECRETKEYBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_sign_detached($message, $secretKey); } if (self::use_fallback('crypto_sign_detached')) { return (string) call_user_func('\\Sodium\\crypto_sign_detached', $message, $secretKey); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::sign_detached($message, $secretKey); } return ParagonIE_Sodium_Crypto::sign_detached($message, $secretKey); } /** * Verify the Ed25519 signature of a message. * * @param string $signature Digital sginature * @param string $message Message to be verified * @param string $publicKey Public key * @return bool TRUE if this signature is good for this public key; * FALSE otherwise * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_sign_verify_detached($signature, $message, $publicKey) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($signature, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($signature) !== self::CRYPTO_SIGN_BYTES) { throw new SodiumException('Argument 1 must be CRYPTO_SIGN_BYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_SIGN_PUBLICKEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_SIGN_PUBLICKEYBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_sign_verify_detached($signature, $message, $publicKey); } if (self::use_fallback('crypto_sign_verify_detached')) { return (bool) call_user_func( '\\Sodium\\crypto_sign_verify_detached', $signature, $message, $publicKey ); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Crypto32::sign_verify_detached($signature, $message, $publicKey); } return ParagonIE_Sodium_Crypto::sign_verify_detached($signature, $message, $publicKey); } /** * Convert an Ed25519 public key to a Curve25519 public key * * @param string $pk * @return string * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_sign_ed25519_pk_to_curve25519($pk) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($pk, 'string', 1); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($pk) < self::CRYPTO_SIGN_PUBLICKEYBYTES) { throw new SodiumException('Argument 1 must be at least CRYPTO_SIGN_PUBLICKEYBYTES long.'); } if (self::useNewSodiumAPI()) { if (is_callable('crypto_sign_ed25519_pk_to_curve25519')) { return (string) sodium_crypto_sign_ed25519_pk_to_curve25519($pk); } } if (self::use_fallback('crypto_sign_ed25519_pk_to_curve25519')) { return (string) call_user_func('\\Sodium\\crypto_sign_ed25519_pk_to_curve25519', $pk); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Core32_Ed25519::pk_to_curve25519($pk); } return ParagonIE_Sodium_Core_Ed25519::pk_to_curve25519($pk); } /** * Convert an Ed25519 secret key to a Curve25519 secret key * * @param string $sk * @return string * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_sign_ed25519_sk_to_curve25519( #[\SensitiveParameter] $sk ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($sk, 'string', 1); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($sk) < self::CRYPTO_SIGN_SEEDBYTES) { throw new SodiumException('Argument 1 must be at least CRYPTO_SIGN_SEEDBYTES long.'); } if (self::useNewSodiumAPI()) { if (is_callable('crypto_sign_ed25519_sk_to_curve25519')) { return sodium_crypto_sign_ed25519_sk_to_curve25519($sk); } } if (self::use_fallback('crypto_sign_ed25519_sk_to_curve25519')) { return (string) call_user_func('\\Sodium\\crypto_sign_ed25519_sk_to_curve25519', $sk); } $h = hash('sha512', ParagonIE_Sodium_Core_Util::substr($sk, 0, 32), true); $h[0] = ParagonIE_Sodium_Core_Util::intToChr( ParagonIE_Sodium_Core_Util::chrToInt($h[0]) & 248 ); $h[31] = ParagonIE_Sodium_Core_Util::intToChr( (ParagonIE_Sodium_Core_Util::chrToInt($h[31]) & 127) | 64 ); return ParagonIE_Sodium_Core_Util::substr($h, 0, 32); } /** * Expand a key and nonce into a keystream of pseudorandom bytes. * * @param int $len Number of bytes desired * @param string $nonce Number to be used Once; must be 24 bytes * @param string $key XSalsa20 key * @return string Pseudorandom stream that can be XORed with messages * to provide encryption (but not authentication; see * Poly1305 or crypto_auth() for that, which is not * optional for security) * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_stream( $len, $nonce, #[\SensitiveParameter] $key ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($len, 'int', 1); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_NONCEBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_KEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_STREAM_KEYBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_stream($len, $nonce, $key); } if (self::use_fallback('crypto_stream')) { return (string) call_user_func('\\Sodium\\crypto_stream', $len, $nonce, $key); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Core32_XSalsa20::xsalsa20($len, $nonce, $key); } return ParagonIE_Sodium_Core_XSalsa20::xsalsa20($len, $nonce, $key); } /** * DANGER! UNAUTHENTICATED ENCRYPTION! * * Unless you are following expert advice, do not use this feature. * * Algorithm: XSalsa20 * * This DOES NOT provide ciphertext integrity. * * @param string $message Plaintext message * @param string $nonce Number to be used Once; must be 24 bytes * @param string $key Encryption key * @return string Encrypted text which is vulnerable to chosen- * ciphertext attacks unless you implement some * other mitigation to the ciphertext (i.e. * Encrypt then MAC) * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_stream_xor( #[\SensitiveParameter] $message, $nonce, #[\SensitiveParameter] $key ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_NONCEBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_KEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); } if (self::useNewSodiumAPI()) { return sodium_crypto_stream_xor($message, $nonce, $key); } if (self::use_fallback('crypto_stream_xor')) { return (string) call_user_func('\\Sodium\\crypto_stream_xor', $message, $nonce, $key); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Core32_XSalsa20::xsalsa20_xor($message, $nonce, $key); } return ParagonIE_Sodium_Core_XSalsa20::xsalsa20_xor($message, $nonce, $key); } /** * Return a secure random key for use with crypto_stream * * @return string * @throws Exception * @throws Error */ public static function crypto_stream_keygen() { return random_bytes(self::CRYPTO_STREAM_KEYBYTES); } /** * Expand a key and nonce into a keystream of pseudorandom bytes. * * @param int $len Number of bytes desired * @param string $nonce Number to be used Once; must be 24 bytes * @param string $key XChaCha20 key * @param bool $dontFallback * @return string Pseudorandom stream that can be XORed with messages * to provide encryption (but not authentication; see * Poly1305 or crypto_auth() for that, which is not * optional for security) * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_stream_xchacha20( $len, $nonce, #[\SensitiveParameter] $key, $dontFallback = false ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($len, 'int', 1); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_XCHACHA20_NONCEBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_XCHACHA20_NONCEBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_XCHACHA20_KEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_STREAM_XCHACHA20_KEYBYTES long.'); } if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_stream_xchacha20($len, $nonce, $key); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Core32_XChaCha20::stream($len, $nonce, $key); } return ParagonIE_Sodium_Core_XChaCha20::stream($len, $nonce, $key); } /** * DANGER! UNAUTHENTICATED ENCRYPTION! * * Unless you are following expert advice, do not use this feature. * * Algorithm: XChaCha20 * * This DOES NOT provide ciphertext integrity. * * @param string $message Plaintext message * @param string $nonce Number to be used Once; must be 24 bytes * @param string $key Encryption key * @return string Encrypted text which is vulnerable to chosen- * ciphertext attacks unless you implement some * other mitigation to the ciphertext (i.e. * Encrypt then MAC) * @param bool $dontFallback * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_stream_xchacha20_xor( #[\SensitiveParameter] $message, $nonce, #[\SensitiveParameter] $key, $dontFallback = false ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_XCHACHA20_NONCEBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_XCHACHA20_NONCEBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_XCHACHA20_KEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_XCHACHA20_KEYBYTES long.'); } if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_stream_xchacha20_xor($message, $nonce, $key); } if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Core32_XChaCha20::streamXorIc($message, $nonce, $key); } return ParagonIE_Sodium_Core_XChaCha20::streamXorIc($message, $nonce, $key); } /** * DANGER! UNAUTHENTICATED ENCRYPTION! * * Unless you are following expert advice, do not use this feature. * * Algorithm: XChaCha20 * * This DOES NOT provide ciphertext integrity. * * @param string $message Plaintext message * @param string $nonce Number to be used Once; must be 24 bytes * @param int $counter * @param string $key Encryption key * @return string Encrypted text which is vulnerable to chosen- * ciphertext attacks unless you implement some * other mitigation to the ciphertext (i.e. * Encrypt then MAC) * @param bool $dontFallback * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function crypto_stream_xchacha20_xor_ic( #[\SensitiveParameter] $message, $nonce, $counter, #[\SensitiveParameter] $key, $dontFallback = false ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); ParagonIE_Sodium_Core_Util::declareScalarType($counter, 'int', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); /* Input validation: */ if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_XCHACHA20_NONCEBYTES) { throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_XCHACHA20_NONCEBYTES long.'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_XCHACHA20_KEYBYTES) { throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_XCHACHA20_KEYBYTES long.'); } if (is_callable('sodium_crypto_stream_xchacha20_xor_ic') && !$dontFallback) { return sodium_crypto_stream_xchacha20_xor_ic($message, $nonce, $counter, $key); } $ic = ParagonIE_Sodium_Core_Util::store64_le($counter); if (PHP_INT_SIZE === 4) { return ParagonIE_Sodium_Core32_XChaCha20::streamXorIc($message, $nonce, $key, $ic); } return ParagonIE_Sodium_Core_XChaCha20::streamXorIc($message, $nonce, $key, $ic); } /** * Return a secure random key for use with crypto_stream_xchacha20 * * @return string * @throws Exception * @throws Error */ public static function crypto_stream_xchacha20_keygen() { return random_bytes(self::CRYPTO_STREAM_XCHACHA20_KEYBYTES); } /** * Cache-timing-safe implementation of hex2bin(). * * @param string $string Hexadecimal string * @param string $ignore List of characters to ignore; useful for whitespace * @return string Raw binary string * @throws SodiumException * @throws TypeError * @psalm-suppress TooFewArguments * @psalm-suppress MixedArgument */ public static function hex2bin( #[\SensitiveParameter] $string, $ignore = '' ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($string, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($ignore, 'string', 2); if (self::useNewSodiumAPI()) { if (is_callable('sodium_hex2bin')) { return (string) sodium_hex2bin($string, $ignore); } } if (self::use_fallback('hex2bin')) { return (string) call_user_func('\\Sodium\\hex2bin', $string, $ignore); } return ParagonIE_Sodium_Core_Util::hex2bin($string, $ignore); } /** * Increase a string (little endian) * * @param string $var * * @return void * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function increment( #[\SensitiveParameter] &$var ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($var, 'string', 1); if (self::useNewSodiumAPI()) { sodium_increment($var); return; } if (self::use_fallback('increment')) { $func = '\\Sodium\\increment'; $func($var); return; } $len = ParagonIE_Sodium_Core_Util::strlen($var); $c = 1; $copy = ''; for ($i = 0; $i < $len; ++$i) { $c += ParagonIE_Sodium_Core_Util::chrToInt( ParagonIE_Sodium_Core_Util::substr($var, $i, 1) ); $copy .= ParagonIE_Sodium_Core_Util::intToChr($c); $c >>= 8; } $var = $copy; } /** * @param string $str * @return bool * * @throws SodiumException */ public static function is_zero( #[\SensitiveParameter] $str ) { $d = 0; for ($i = 0; $i < 32; ++$i) { $d |= ParagonIE_Sodium_Core_Util::chrToInt($str[$i]); } return ((($d - 1) >> 31) & 1) === 1; } /** * The equivalent to the libsodium minor version we aim to be compatible * with (sans pwhash and memzero). * * @return int */ public static function library_version_major() { if (self::useNewSodiumAPI() && defined('SODIUM_LIBRARY_MAJOR_VERSION')) { return SODIUM_LIBRARY_MAJOR_VERSION; } if (self::use_fallback('library_version_major')) { /** @psalm-suppress UndefinedFunction */ return (int) call_user_func('\\Sodium\\library_version_major'); } return self::LIBRARY_VERSION_MAJOR; } /** * The equivalent to the libsodium minor version we aim to be compatible * with (sans pwhash and memzero). * * @return int */ public static function library_version_minor() { if (self::useNewSodiumAPI() && defined('SODIUM_LIBRARY_MINOR_VERSION')) { return SODIUM_LIBRARY_MINOR_VERSION; } if (self::use_fallback('library_version_minor')) { /** @psalm-suppress UndefinedFunction */ return (int) call_user_func('\\Sodium\\library_version_minor'); } return self::LIBRARY_VERSION_MINOR; } /** * Compare two strings. * * @param string $left * @param string $right * @return int * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument */ public static function memcmp( #[\SensitiveParameter] $left, #[\SensitiveParameter] $right ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($left, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($right, 'string', 2); if (self::useNewSodiumAPI()) { return sodium_memcmp($left, $right); } if (self::use_fallback('memcmp')) { return (int) call_user_func('\\Sodium\\memcmp', $left, $right); } /** @var string $left */ /** @var string $right */ return ParagonIE_Sodium_Core_Util::memcmp($left, $right); } /** * It's actually not possible to zero memory buffers in PHP. You need the * native library for that. * * @param string|null $var * @param-out string|null $var * * @return void * @throws SodiumException (Unless libsodium is installed) * @throws TypeError * @psalm-suppress TooFewArguments */ public static function memzero( #[\SensitiveParameter] &$var ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($var, 'string', 1); if (self::useNewSodiumAPI()) { /** @psalm-suppress MixedArgument */ sodium_memzero($var); return; } if (self::use_fallback('memzero')) { $func = '\\Sodium\\memzero'; $func($var); if ($var === null) { return; } } // This is the best we can do. throw new SodiumException( 'This is not implemented in sodium_compat, as it is not possible to securely wipe memory from PHP. ' . 'To fix this error, make sure libsodium is installed and the PHP extension is enabled.' ); } /** * @param string $unpadded * @param int $blockSize * @param bool $dontFallback * @return string * @throws SodiumException */ public static function pad( #[\SensitiveParameter] $unpadded, $blockSize, $dontFallback = false ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($unpadded, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($blockSize, 'int', 2); $unpadded = (string) $unpadded; $blockSize = (int) $blockSize; if (self::useNewSodiumAPI() && !$dontFallback) { return (string) sodium_pad($unpadded, $blockSize); } if ($blockSize <= 0) { throw new SodiumException( 'block size cannot be less than 1' ); } $unpadded_len = ParagonIE_Sodium_Core_Util::strlen($unpadded); $xpadlen = ($blockSize - 1); if (($blockSize & ($blockSize - 1)) === 0) { $xpadlen -= $unpadded_len & ($blockSize - 1); } else { $xpadlen -= $unpadded_len % $blockSize; } $xpadded_len = $unpadded_len + $xpadlen; $padded = str_repeat("\0", $xpadded_len - 1); if ($unpadded_len > 0) { $st = 1; $i = 0; $k = $unpadded_len; for ($j = 0; $j <= $xpadded_len; ++$j) { $i = (int) $i; $k = (int) $k; $st = (int) $st; if ($j >= $unpadded_len) { $padded[$j] = "\0"; } else { $padded[$j] = $unpadded[$j]; } /** @var int $k */ $k -= $st; $st = (int) (~( ( ( ($k >> 48) | ($k >> 32) | ($k >> 16) | $k ) - 1 ) >> 16 ) ) & 1; $i += $st; } } $mask = 0; $tail = $xpadded_len; for ($i = 0; $i < $blockSize; ++$i) { # barrier_mask = (unsigned char) # (((i ^ xpadlen) - 1U) >> ((sizeof(size_t) - 1U) * CHAR_BIT)); $barrier_mask = (($i ^ $xpadlen) -1) >> ((PHP_INT_SIZE << 3) - 1); # tail[-i] = (tail[-i] & mask) | (0x80 & barrier_mask); $padded[$tail - $i] = ParagonIE_Sodium_Core_Util::intToChr( (ParagonIE_Sodium_Core_Util::chrToInt($padded[$tail - $i]) & $mask) | (0x80 & $barrier_mask) ); # mask |= barrier_mask; $mask |= $barrier_mask; } return $padded; } /** * @param string $padded * @param int $blockSize * @param bool $dontFallback * @return string * @throws SodiumException */ public static function unpad( #[\SensitiveParameter] $padded, $blockSize, $dontFallback = false ) { /* Type checks: */ ParagonIE_Sodium_Core_Util::declareScalarType($padded, 'string', 1); ParagonIE_Sodium_Core_Util::declareScalarType($blockSize, 'int', 2); $padded = (string) $padded; $blockSize = (int) $blockSize; if (self::useNewSodiumAPI() && !$dontFallback) { return (string) sodium_unpad($padded, $blockSize); } if ($blockSize <= 0) { throw new SodiumException('block size cannot be less than 1'); } $padded_len = ParagonIE_Sodium_Core_Util::strlen($padded); if ($padded_len < $blockSize) { throw new SodiumException('invalid padding'); } # tail = &padded[padded_len - 1U]; $tail = $padded_len - 1; $acc = 0; $valid = 0; $pad_len = 0; $found = 0; for ($i = 0; $i < $blockSize; ++$i) { # c = tail[-i]; $c = ParagonIE_Sodium_Core_Util::chrToInt($padded[$tail - $i]); # is_barrier = # (( (acc - 1U) & (pad_len - 1U) & ((c ^ 0x80) - 1U) ) >> 8) & 1U; $is_barrier = ( ( ($acc - 1) & ($pad_len - 1) & (($c ^ 80) - 1) ) >> 7 ) & 1; $is_barrier &= ~$found; $found |= $is_barrier; # acc |= c; $acc |= $c; # pad_len |= i & (1U + ~is_barrier); $pad_len |= $i & (1 + ~$is_barrier); # valid |= (unsigned char) is_barrier; $valid |= ($is_barrier & 0xff); } # unpadded_len = padded_len - 1U - pad_len; $unpadded_len = $padded_len - 1 - $pad_len; if ($valid !== 1) { throw new SodiumException('invalid padding'); } return ParagonIE_Sodium_Core_Util::substr($padded, 0, $unpadded_len); } /** * Will sodium_compat run fast on the current hardware and PHP configuration? * * @return bool */ public static function polyfill_is_fast() { if (extension_loaded('sodium')) { return true; } if (extension_loaded('libsodium')) { return true; } return PHP_INT_SIZE === 8; } /** * Generate a string of bytes from the kernel's CSPRNG. * Proudly uses /dev/urandom (if getrandom(2) is not available). * * @param int $numBytes * @return string * @throws Exception * @throws TypeError */ public static function randombytes_buf($numBytes) { /* Type checks: */ if (!is_int($numBytes)) { if (is_numeric($numBytes)) { $numBytes = (int) $numBytes; } else { throw new TypeError( 'Argument 1 must be an integer, ' . gettype($numBytes) . ' given.' ); } } /** @var positive-int $numBytes */ if (self::use_fallback('randombytes_buf')) { return (string) call_user_func('\\Sodium\\randombytes_buf', $numBytes); } if ($numBytes < 0) { throw new SodiumException("Number of bytes must be a positive integer"); } return random_bytes($numBytes); } /** * Generate an integer between 0 and $range (non-inclusive). * * @param int $range * @return int * @throws Exception * @throws Error * @throws TypeError */ public static function randombytes_uniform($range) { /* Type checks: */ if (!is_int($range)) { if (is_numeric($range)) { $range = (int) $range; } else { throw new TypeError( 'Argument 1 must be an integer, ' . gettype($range) . ' given.' ); } } if (self::use_fallback('randombytes_uniform')) { return (int) call_user_func('\\Sodium\\randombytes_uniform', $range); } return random_int(0, $range - 1); } /** * Generate a random 16-bit integer. * * @return int * @throws Exception * @throws Error * @throws TypeError */ public static function randombytes_random16() { if (self::use_fallback('randombytes_random16')) { return (int) call_user_func('\\Sodium\\randombytes_random16'); } return random_int(0, 65535); } /** * @param string $p * @param bool $dontFallback * @return bool * @throws SodiumException */ public static function ristretto255_is_valid_point( #[\SensitiveParameter] $p, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_is_valid_point($p); } try { $r = ParagonIE_Sodium_Core_Ristretto255::ristretto255_frombytes($p); return $r['res'] === 0 && ParagonIE_Sodium_Core_Ristretto255::ristretto255_point_is_canonical($p) === 1; } catch (SodiumException $ex) { if ($ex->getMessage() === 'S is not canonical') { return false; } throw $ex; } } /** * @param string $p * @param string $q * @param bool $dontFallback * @return string * @throws SodiumException */ public static function ristretto255_add( #[\SensitiveParameter] $p, #[\SensitiveParameter] $q, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_add($p, $q); } return ParagonIE_Sodium_Core_Ristretto255::ristretto255_add($p, $q); } /** * @param string $p * @param string $q * @param bool $dontFallback * @return string * @throws SodiumException */ public static function ristretto255_sub( #[\SensitiveParameter] $p, #[\SensitiveParameter] $q, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_sub($p, $q); } return ParagonIE_Sodium_Core_Ristretto255::ristretto255_sub($p, $q); } /** * @param string $r * @param bool $dontFallback * @return string * * @throws SodiumException */ public static function ristretto255_from_hash( #[\SensitiveParameter] $r, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_from_hash($r); } return ParagonIE_Sodium_Core_Ristretto255::ristretto255_from_hash($r); } /** * @param bool $dontFallback * @return string * * @throws SodiumException */ public static function ristretto255_random($dontFallback = false) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_random(); } return ParagonIE_Sodium_Core_Ristretto255::ristretto255_random(); } /** * @param bool $dontFallback * @return string * * @throws SodiumException */ public static function ristretto255_scalar_random($dontFallback = false) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_scalar_random(); } return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_random(); } /** * @param string $s * @param bool $dontFallback * @return string * @throws SodiumException */ public static function ristretto255_scalar_invert( #[\SensitiveParameter] $s, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_scalar_invert($s); } return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_invert($s); } /** * @param string $s * @param bool $dontFallback * @return string * @throws SodiumException */ public static function ristretto255_scalar_negate( #[\SensitiveParameter] $s, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_scalar_negate($s); } return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_negate($s); } /** * @param string $s * @param bool $dontFallback * @return string * @throws SodiumException */ public static function ristretto255_scalar_complement( #[\SensitiveParameter] $s, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_scalar_complement($s); } return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_complement($s); } /** * @param string $x * @param string $y * @param bool $dontFallback * @return string * @throws SodiumException */ public static function ristretto255_scalar_add( #[\SensitiveParameter] $x, #[\SensitiveParameter] $y, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_scalar_add($x, $y); } return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_add($x, $y); } /** * @param string $x * @param string $y * @param bool $dontFallback * @return string * @throws SodiumException */ public static function ristretto255_scalar_sub( #[\SensitiveParameter] $x, #[\SensitiveParameter] $y, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_scalar_sub($x, $y); } return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_sub($x, $y); } /** * @param string $x * @param string $y * @param bool $dontFallback * @return string * @throws SodiumException */ public static function ristretto255_scalar_mul( #[\SensitiveParameter] $x, #[\SensitiveParameter] $y, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_scalar_mul($x, $y); } return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_mul($x, $y); } /** * @param string $n * @param string $p * @param bool $dontFallback * @return string * @throws SodiumException */ public static function scalarmult_ristretto255( #[\SensitiveParameter] $n, #[\SensitiveParameter] $p, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_scalarmult_ristretto255($n, $p); } return ParagonIE_Sodium_Core_Ristretto255::scalarmult_ristretto255($n, $p); } /** * @param string $n * @param string $p * @param bool $dontFallback * @return string * @throws SodiumException */ public static function scalarmult_ristretto255_base( #[\SensitiveParameter] $n, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_scalarmult_ristretto255_base($n); } return ParagonIE_Sodium_Core_Ristretto255::scalarmult_ristretto255_base($n); } /** * @param string $s * @param bool $dontFallback * @return string * @throws SodiumException */ public static function ristretto255_scalar_reduce( #[\SensitiveParameter] $s, $dontFallback = false ) { if (self::useNewSodiumAPI() && !$dontFallback) { return sodium_crypto_core_ristretto255_scalar_reduce($s); } return ParagonIE_Sodium_Core_Ristretto255::sc_reduce($s); } /** * Runtime testing method for 32-bit platforms. * * Usage: If runtime_speed_test() returns FALSE, then our 32-bit * implementation is to slow to use safely without risking timeouts. * If this happens, install sodium from PECL to get acceptable * performance. * * @param int $iterations Number of multiplications to attempt * @param int $maxTimeout Milliseconds * @return bool TRUE if we're fast enough, FALSE is not * @throws SodiumException */ public static function runtime_speed_test($iterations, $maxTimeout) { if (self::polyfill_is_fast()) { return true; } /** @var float $end */ $end = 0.0; /** @var float $start */ $start = microtime(true); /** @var ParagonIE_Sodium_Core32_Int64 $a */ $a = ParagonIE_Sodium_Core32_Int64::fromInt(random_int(3, 1 << 16)); for ($i = 0; $i < $iterations; ++$i) { /** @var ParagonIE_Sodium_Core32_Int64 $b */ $b = ParagonIE_Sodium_Core32_Int64::fromInt(random_int(3, 1 << 16)); $a->mulInt64($b); } /** @var float $end */ $end = microtime(true); /** @var int $diff */ $diff = (int) ceil(($end - $start) * 1000); return $diff < $maxTimeout; } /** * Add two numbers (little-endian unsigned), storing the value in the first * parameter. * * This mutates $val. * * @param string $val * @param string $addv * @return void * @throws SodiumException */ public static function sub( #[\SensitiveParameter] &$val, #[\SensitiveParameter] $addv ) { $val_len = ParagonIE_Sodium_Core_Util::strlen($val); $addv_len = ParagonIE_Sodium_Core_Util::strlen($addv); if ($val_len !== $addv_len) { throw new SodiumException('values must have the same length'); } $A = ParagonIE_Sodium_Core_Util::stringToIntArray($val); $B = ParagonIE_Sodium_Core_Util::stringToIntArray($addv); $c = 0; for ($i = 0; $i < $val_len; $i++) { $c = ($A[$i] - $B[$i] - $c); $A[$i] = ($c & 0xff); $c = ($c >> 8) & 1; } $val = ParagonIE_Sodium_Core_Util::intArrayToString($A); } /** * This emulates libsodium's version_string() function, except ours is * prefixed with 'polyfill-'. * * @return string * @psalm-suppress MixedInferredReturnType * @psalm-suppress UndefinedFunction */ public static function version_string() { if (self::useNewSodiumAPI()) { return (string) sodium_version_string(); } if (self::use_fallback('version_string')) { return (string) call_user_func('\\Sodium\\version_string'); } return (string) self::VERSION_STRING; } /** * Should we use the libsodium core function instead? * This is always a good idea, if it's available. (Unless we're in the * middle of running our unit test suite.) * * If ext/libsodium is available, use it. Return TRUE. * Otherwise, we have to use the code provided herein. Return FALSE. * * @param string $sodium_func_name * * @return bool */ protected static function use_fallback($sodium_func_name = '') { static $res = null; if ($res === null) { $res = extension_loaded('libsodium') && PHP_VERSION_ID >= 50300; } if ($res === false) { // No libsodium installed return false; } if (self::$disableFallbackForUnitTests) { // Don't fallback. Use the PHP implementation. return false; } if (!empty($sodium_func_name)) { return is_callable('\\Sodium\\' . $sodium_func_name); } return true; } /** * Libsodium as implemented in PHP 7.2 * and/or ext/sodium (via PECL) * * @ref https://wiki.php.net/rfc/libsodium * @return bool */ protected static function useNewSodiumAPI() { static $res = null; if ($res === null) { $res = PHP_VERSION_ID >= 70000 && extension_loaded('sodium'); } if (self::$disableFallbackForUnitTests) { // Don't fallback. Use the PHP implementation. return false; } return (bool) $res; } } Crypto.php 0000644 00000153032 14717743076 0006561 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Crypto', false)) { return; } /** * Class ParagonIE_Sodium_Crypto * * ATTENTION! * * If you are using this library, you should be using * ParagonIE_Sodium_Compat in your code, not this class. */ abstract class ParagonIE_Sodium_Crypto { const aead_chacha20poly1305_KEYBYTES = 32; const aead_chacha20poly1305_NSECBYTES = 0; const aead_chacha20poly1305_NPUBBYTES = 8; const aead_chacha20poly1305_ABYTES = 16; const aead_chacha20poly1305_IETF_KEYBYTES = 32; const aead_chacha20poly1305_IETF_NSECBYTES = 0; const aead_chacha20poly1305_IETF_NPUBBYTES = 12; const aead_chacha20poly1305_IETF_ABYTES = 16; const aead_xchacha20poly1305_IETF_KEYBYTES = 32; const aead_xchacha20poly1305_IETF_NSECBYTES = 0; const aead_xchacha20poly1305_IETF_NPUBBYTES = 24; const aead_xchacha20poly1305_IETF_ABYTES = 16; const box_curve25519xsalsa20poly1305_SEEDBYTES = 32; const box_curve25519xsalsa20poly1305_PUBLICKEYBYTES = 32; const box_curve25519xsalsa20poly1305_SECRETKEYBYTES = 32; const box_curve25519xsalsa20poly1305_BEFORENMBYTES = 32; const box_curve25519xsalsa20poly1305_NONCEBYTES = 24; const box_curve25519xsalsa20poly1305_MACBYTES = 16; const box_curve25519xsalsa20poly1305_BOXZEROBYTES = 16; const box_curve25519xsalsa20poly1305_ZEROBYTES = 32; const onetimeauth_poly1305_BYTES = 16; const onetimeauth_poly1305_KEYBYTES = 32; const secretbox_xsalsa20poly1305_KEYBYTES = 32; const secretbox_xsalsa20poly1305_NONCEBYTES = 24; const secretbox_xsalsa20poly1305_MACBYTES = 16; const secretbox_xsalsa20poly1305_BOXZEROBYTES = 16; const secretbox_xsalsa20poly1305_ZEROBYTES = 32; const secretbox_xchacha20poly1305_KEYBYTES = 32; const secretbox_xchacha20poly1305_NONCEBYTES = 24; const secretbox_xchacha20poly1305_MACBYTES = 16; const secretbox_xchacha20poly1305_BOXZEROBYTES = 16; const secretbox_xchacha20poly1305_ZEROBYTES = 32; const stream_salsa20_KEYBYTES = 32; /** * AEAD Decryption with ChaCha20-Poly1305 * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_chacha20poly1305_decrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { /** @var int $len - Length of message (ciphertext + MAC) */ $len = ParagonIE_Sodium_Core_Util::strlen($message); /** @var int $clen - Length of ciphertext */ $clen = $len - self::aead_chacha20poly1305_ABYTES; /** @var int $adlen - Length of associated data */ $adlen = ParagonIE_Sodium_Core_Util::strlen($ad); /** @var string $mac - Message authentication code */ $mac = ParagonIE_Sodium_Core_Util::substr( $message, $clen, self::aead_chacha20poly1305_ABYTES ); /** @var string $ciphertext - The encrypted message (sans MAC) */ $ciphertext = ParagonIE_Sodium_Core_Util::substr($message, 0, $clen); /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ $block0 = ParagonIE_Sodium_Core_ChaCha20::stream( 32, $nonce, $key ); /* Recalculate the Poly1305 authentication tag (MAC): */ $state = new ParagonIE_Sodium_Core_Poly1305_State($block0); try { ParagonIE_Sodium_Compat::memzero($block0); } catch (SodiumException $ex) { $block0 = null; } $state->update($ad); $state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen)); $state->update($ciphertext); $state->update(ParagonIE_Sodium_Core_Util::store64_le($clen)); $computed_mac = $state->finish(); /* Compare the given MAC with the recalculated MAC: */ if (!ParagonIE_Sodium_Core_Util::verify_16($computed_mac, $mac)) { throw new SodiumException('Invalid MAC'); } // Here, we know that the MAC is valid, so we decrypt and return the plaintext return ParagonIE_Sodium_Core_ChaCha20::streamXorIc( $ciphertext, $nonce, $key, ParagonIE_Sodium_Core_Util::store64_le(1) ); } /** * AEAD Encryption with ChaCha20-Poly1305 * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_chacha20poly1305_encrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { /** @var int $len - Length of the plaintext message */ $len = ParagonIE_Sodium_Core_Util::strlen($message); /** @var int $adlen - Length of the associated data */ $adlen = ParagonIE_Sodium_Core_Util::strlen($ad); /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ $block0 = ParagonIE_Sodium_Core_ChaCha20::stream( 32, $nonce, $key ); $state = new ParagonIE_Sodium_Core_Poly1305_State($block0); try { ParagonIE_Sodium_Compat::memzero($block0); } catch (SodiumException $ex) { $block0 = null; } /** @var string $ciphertext - Raw encrypted data */ $ciphertext = ParagonIE_Sodium_Core_ChaCha20::streamXorIc( $message, $nonce, $key, ParagonIE_Sodium_Core_Util::store64_le(1) ); $state->update($ad); $state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen)); $state->update($ciphertext); $state->update(ParagonIE_Sodium_Core_Util::store64_le($len)); return $ciphertext . $state->finish(); } /** * AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_chacha20poly1305_ietf_decrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { /** @var int $adlen - Length of associated data */ $adlen = ParagonIE_Sodium_Core_Util::strlen($ad); /** @var int $len - Length of message (ciphertext + MAC) */ $len = ParagonIE_Sodium_Core_Util::strlen($message); /** @var int $clen - Length of ciphertext */ $clen = $len - self::aead_chacha20poly1305_IETF_ABYTES; /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ $block0 = ParagonIE_Sodium_Core_ChaCha20::ietfStream( 32, $nonce, $key ); /** @var string $mac - Message authentication code */ $mac = ParagonIE_Sodium_Core_Util::substr( $message, $len - self::aead_chacha20poly1305_IETF_ABYTES, self::aead_chacha20poly1305_IETF_ABYTES ); /** @var string $ciphertext - The encrypted message (sans MAC) */ $ciphertext = ParagonIE_Sodium_Core_Util::substr( $message, 0, $len - self::aead_chacha20poly1305_IETF_ABYTES ); /* Recalculate the Poly1305 authentication tag (MAC): */ $state = new ParagonIE_Sodium_Core_Poly1305_State($block0); try { ParagonIE_Sodium_Compat::memzero($block0); } catch (SodiumException $ex) { $block0 = null; } $state->update($ad); $state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf))); $state->update($ciphertext); $state->update(str_repeat("\x00", (0x10 - $clen) & 0xf)); $state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen)); $state->update(ParagonIE_Sodium_Core_Util::store64_le($clen)); $computed_mac = $state->finish(); /* Compare the given MAC with the recalculated MAC: */ if (!ParagonIE_Sodium_Core_Util::verify_16($computed_mac, $mac)) { throw new SodiumException('Invalid MAC'); } // Here, we know that the MAC is valid, so we decrypt and return the plaintext return ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( $ciphertext, $nonce, $key, ParagonIE_Sodium_Core_Util::store64_le(1) ); } /** * AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_chacha20poly1305_ietf_encrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { /** @var int $len - Length of the plaintext message */ $len = ParagonIE_Sodium_Core_Util::strlen($message); /** @var int $adlen - Length of the associated data */ $adlen = ParagonIE_Sodium_Core_Util::strlen($ad); /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ $block0 = ParagonIE_Sodium_Core_ChaCha20::ietfStream( 32, $nonce, $key ); $state = new ParagonIE_Sodium_Core_Poly1305_State($block0); try { ParagonIE_Sodium_Compat::memzero($block0); } catch (SodiumException $ex) { $block0 = null; } /** @var string $ciphertext - Raw encrypted data */ $ciphertext = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( $message, $nonce, $key, ParagonIE_Sodium_Core_Util::store64_le(1) ); $state->update($ad); $state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf))); $state->update($ciphertext); $state->update(str_repeat("\x00", ((0x10 - $len) & 0xf))); $state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen)); $state->update(ParagonIE_Sodium_Core_Util::store64_le($len)); return $ciphertext . $state->finish(); } /** * AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_xchacha20poly1305_ietf_decrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { $subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20( ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16), $key ); $nonceLast = "\x00\x00\x00\x00" . ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8); return self::aead_chacha20poly1305_ietf_decrypt($message, $ad, $nonceLast, $subkey); } /** * AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_xchacha20poly1305_ietf_encrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { $subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20( ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16), $key ); $nonceLast = "\x00\x00\x00\x00" . ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8); return self::aead_chacha20poly1305_ietf_encrypt($message, $ad, $nonceLast, $subkey); } /** * HMAC-SHA-512-256 (a.k.a. the leftmost 256 bits of HMAC-SHA-512) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $key * @return string * @throws TypeError */ public static function auth($message, $key) { return ParagonIE_Sodium_Core_Util::substr( hash_hmac('sha512', $message, $key, true), 0, 32 ); } /** * HMAC-SHA-512-256 validation. Constant-time via hash_equals(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $mac * @param string $message * @param string $key * @return bool * @throws SodiumException * @throws TypeError */ public static function auth_verify($mac, $message, $key) { return ParagonIE_Sodium_Core_Util::hashEquals( $mac, self::auth($message, $key) ); } /** * X25519 key exchange followed by XSalsa20Poly1305 symmetric encryption * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $plaintext * @param string $nonce * @param string $keypair * @return string * @throws SodiumException * @throws TypeError */ public static function box($plaintext, $nonce, $keypair) { $c = self::secretbox( $plaintext, $nonce, self::box_beforenm( self::box_secretkey($keypair), self::box_publickey($keypair) ) ); return $c; } /** * X25519-XSalsa20-Poly1305 with one ephemeral X25519 keypair. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $publicKey * @return string * @throws SodiumException * @throws TypeError */ public static function box_seal($message, $publicKey) { /** @var string $ephemeralKeypair */ $ephemeralKeypair = self::box_keypair(); /** @var string $ephemeralSK */ $ephemeralSK = self::box_secretkey($ephemeralKeypair); /** @var string $ephemeralPK */ $ephemeralPK = self::box_publickey($ephemeralKeypair); /** @var string $nonce */ $nonce = self::generichash( $ephemeralPK . $publicKey, '', 24 ); /** @var string $keypair - The combined keypair used in crypto_box() */ $keypair = self::box_keypair_from_secretkey_and_publickey($ephemeralSK, $publicKey); /** @var string $ciphertext Ciphertext + MAC from crypto_box */ $ciphertext = self::box($message, $nonce, $keypair); try { ParagonIE_Sodium_Compat::memzero($ephemeralKeypair); ParagonIE_Sodium_Compat::memzero($ephemeralSK); ParagonIE_Sodium_Compat::memzero($nonce); } catch (SodiumException $ex) { $ephemeralKeypair = null; $ephemeralSK = null; $nonce = null; } return $ephemeralPK . $ciphertext; } /** * Opens a message encrypted via box_seal(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $keypair * @return string * @throws SodiumException * @throws TypeError */ public static function box_seal_open($message, $keypair) { /** @var string $ephemeralPK */ $ephemeralPK = ParagonIE_Sodium_Core_Util::substr($message, 0, 32); /** @var string $ciphertext (ciphertext + MAC) */ $ciphertext = ParagonIE_Sodium_Core_Util::substr($message, 32); /** @var string $secretKey */ $secretKey = self::box_secretkey($keypair); /** @var string $publicKey */ $publicKey = self::box_publickey($keypair); /** @var string $nonce */ $nonce = self::generichash( $ephemeralPK . $publicKey, '', 24 ); /** @var string $keypair */ $keypair = self::box_keypair_from_secretkey_and_publickey($secretKey, $ephemeralPK); /** @var string $m */ $m = self::box_open($ciphertext, $nonce, $keypair); try { ParagonIE_Sodium_Compat::memzero($secretKey); ParagonIE_Sodium_Compat::memzero($ephemeralPK); ParagonIE_Sodium_Compat::memzero($nonce); } catch (SodiumException $ex) { $secretKey = null; $ephemeralPK = null; $nonce = null; } return $m; } /** * Used by crypto_box() to get the crypto_secretbox() key. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $sk * @param string $pk * @return string * @throws SodiumException * @throws TypeError */ public static function box_beforenm($sk, $pk) { return ParagonIE_Sodium_Core_HSalsa20::hsalsa20( str_repeat("\x00", 16), self::scalarmult($sk, $pk) ); } /** * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @return string * @throws Exception * @throws SodiumException * @throws TypeError */ public static function box_keypair() { $sKey = random_bytes(32); $pKey = self::scalarmult_base($sKey); return $sKey . $pKey; } /** * @param string $seed * @return string * @throws SodiumException * @throws TypeError */ public static function box_seed_keypair($seed) { $sKey = ParagonIE_Sodium_Core_Util::substr( hash('sha512', $seed, true), 0, 32 ); $pKey = self::scalarmult_base($sKey); return $sKey . $pKey; } /** * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $sKey * @param string $pKey * @return string * @throws TypeError */ public static function box_keypair_from_secretkey_and_publickey($sKey, $pKey) { return ParagonIE_Sodium_Core_Util::substr($sKey, 0, 32) . ParagonIE_Sodium_Core_Util::substr($pKey, 0, 32); } /** * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $keypair * @return string * @throws RangeException * @throws TypeError */ public static function box_secretkey($keypair) { if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== 64) { throw new RangeException( 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.' ); } return ParagonIE_Sodium_Core_Util::substr($keypair, 0, 32); } /** * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $keypair * @return string * @throws RangeException * @throws TypeError */ public static function box_publickey($keypair) { if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES) { throw new RangeException( 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.' ); } return ParagonIE_Sodium_Core_Util::substr($keypair, 32, 32); } /** * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $sKey * @return string * @throws RangeException * @throws SodiumException * @throws TypeError */ public static function box_publickey_from_secretkey($sKey) { if (ParagonIE_Sodium_Core_Util::strlen($sKey) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES) { throw new RangeException( 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES bytes long.' ); } return self::scalarmult_base($sKey); } /** * Decrypt a message encrypted with box(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $ciphertext * @param string $nonce * @param string $keypair * @return string * @throws SodiumException * @throws TypeError */ public static function box_open($ciphertext, $nonce, $keypair) { return self::secretbox_open( $ciphertext, $nonce, self::box_beforenm( self::box_secretkey($keypair), self::box_publickey($keypair) ) ); } /** * Calculate a BLAKE2b hash. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string|null $key * @param int $outlen * @return string * @throws RangeException * @throws SodiumException * @throws TypeError */ public static function generichash($message, $key = '', $outlen = 32) { // This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor(); $k = null; if (!empty($key)) { /** @var SplFixedArray $k */ $k = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($key); if ($k->count() > ParagonIE_Sodium_Core_BLAKE2b::KEYBYTES) { throw new RangeException('Invalid key size'); } } /** @var SplFixedArray $in */ $in = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($message); /** @var SplFixedArray $ctx */ $ctx = ParagonIE_Sodium_Core_BLAKE2b::init($k, $outlen); ParagonIE_Sodium_Core_BLAKE2b::update($ctx, $in, $in->count()); /** @var SplFixedArray $out */ $out = new SplFixedArray($outlen); $out = ParagonIE_Sodium_Core_BLAKE2b::finish($ctx, $out); /** @var array<int, int> */ $outArray = $out->toArray(); return ParagonIE_Sodium_Core_Util::intArrayToString($outArray); } /** * Finalize a BLAKE2b hashing context, returning the hash. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $ctx * @param int $outlen * @return string * @throws SodiumException * @throws TypeError */ public static function generichash_final($ctx, $outlen = 32) { if (!is_string($ctx)) { throw new TypeError('Context must be a string'); } $out = new SplFixedArray($outlen); /** @var SplFixedArray $context */ $context = ParagonIE_Sodium_Core_BLAKE2b::stringToContext($ctx); /** @var SplFixedArray $out */ $out = ParagonIE_Sodium_Core_BLAKE2b::finish($context, $out); /** @var array<int, int> */ $outArray = $out->toArray(); return ParagonIE_Sodium_Core_Util::intArrayToString($outArray); } /** * Initialize a hashing context for BLAKE2b. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $key * @param int $outputLength * @return string * @throws RangeException * @throws SodiumException * @throws TypeError */ public static function generichash_init($key = '', $outputLength = 32) { // This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor(); $k = null; if (!empty($key)) { $k = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($key); if ($k->count() > ParagonIE_Sodium_Core_BLAKE2b::KEYBYTES) { throw new RangeException('Invalid key size'); } } /** @var SplFixedArray $ctx */ $ctx = ParagonIE_Sodium_Core_BLAKE2b::init($k, $outputLength); return ParagonIE_Sodium_Core_BLAKE2b::contextToString($ctx); } /** * Initialize a hashing context for BLAKE2b. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $key * @param int $outputLength * @param string $salt * @param string $personal * @return string * @throws RangeException * @throws SodiumException * @throws TypeError */ public static function generichash_init_salt_personal( $key = '', $outputLength = 32, $salt = '', $personal = '' ) { // This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor(); $k = null; if (!empty($key)) { $k = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($key); if ($k->count() > ParagonIE_Sodium_Core_BLAKE2b::KEYBYTES) { throw new RangeException('Invalid key size'); } } if (!empty($salt)) { $s = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($salt); } else { $s = null; } if (!empty($salt)) { $p = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($personal); } else { $p = null; } /** @var SplFixedArray $ctx */ $ctx = ParagonIE_Sodium_Core_BLAKE2b::init($k, $outputLength, $s, $p); return ParagonIE_Sodium_Core_BLAKE2b::contextToString($ctx); } /** * Update a hashing context for BLAKE2b with $message * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $ctx * @param string $message * @return string * @throws SodiumException * @throws TypeError */ public static function generichash_update($ctx, $message) { // This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor(); /** @var SplFixedArray $context */ $context = ParagonIE_Sodium_Core_BLAKE2b::stringToContext($ctx); /** @var SplFixedArray $in */ $in = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($message); ParagonIE_Sodium_Core_BLAKE2b::update($context, $in, $in->count()); return ParagonIE_Sodium_Core_BLAKE2b::contextToString($context); } /** * Libsodium's crypto_kx(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $my_sk * @param string $their_pk * @param string $client_pk * @param string $server_pk * @return string * @throws SodiumException * @throws TypeError */ public static function keyExchange($my_sk, $their_pk, $client_pk, $server_pk) { return ParagonIE_Sodium_Compat::crypto_generichash( ParagonIE_Sodium_Compat::crypto_scalarmult($my_sk, $their_pk) . $client_pk . $server_pk ); } /** * ECDH over Curve25519 * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $sKey * @param string $pKey * @return string * * @throws SodiumException * @throws TypeError */ public static function scalarmult($sKey, $pKey) { $q = ParagonIE_Sodium_Core_X25519::crypto_scalarmult_curve25519_ref10($sKey, $pKey); self::scalarmult_throw_if_zero($q); return $q; } /** * ECDH over Curve25519, using the basepoint. * Used to get a secret key from a public key. * * @param string $secret * @return string * * @throws SodiumException * @throws TypeError */ public static function scalarmult_base($secret) { $q = ParagonIE_Sodium_Core_X25519::crypto_scalarmult_curve25519_ref10_base($secret); self::scalarmult_throw_if_zero($q); return $q; } /** * This throws an Error if a zero public key was passed to the function. * * @param string $q * @return void * @throws SodiumException * @throws TypeError */ protected static function scalarmult_throw_if_zero($q) { $d = 0; for ($i = 0; $i < self::box_curve25519xsalsa20poly1305_SECRETKEYBYTES; ++$i) { $d |= ParagonIE_Sodium_Core_Util::chrToInt($q[$i]); } /* branch-free variant of === 0 */ if (-(1 & (($d - 1) >> 8))) { throw new SodiumException('Zero public key is not allowed'); } } /** * XSalsa20-Poly1305 authenticated symmetric-key encryption. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $plaintext * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function secretbox($plaintext, $nonce, $key) { /** @var string $subkey */ $subkey = ParagonIE_Sodium_Core_HSalsa20::hsalsa20($nonce, $key); /** @var string $block0 */ $block0 = str_repeat("\x00", 32); /** @var int $mlen - Length of the plaintext message */ $mlen = ParagonIE_Sodium_Core_Util::strlen($plaintext); $mlen0 = $mlen; if ($mlen0 > 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES) { $mlen0 = 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES; } $block0 .= ParagonIE_Sodium_Core_Util::substr($plaintext, 0, $mlen0); /** @var string $block0 */ $block0 = ParagonIE_Sodium_Core_Salsa20::salsa20_xor( $block0, ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), $subkey ); /** @var string $c */ $c = ParagonIE_Sodium_Core_Util::substr( $block0, self::secretbox_xsalsa20poly1305_ZEROBYTES ); if ($mlen > $mlen0) { $c .= ParagonIE_Sodium_Core_Salsa20::salsa20_xor_ic( ParagonIE_Sodium_Core_Util::substr( $plaintext, self::secretbox_xsalsa20poly1305_ZEROBYTES ), ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), 1, $subkey ); } $state = new ParagonIE_Sodium_Core_Poly1305_State( ParagonIE_Sodium_Core_Util::substr( $block0, 0, self::onetimeauth_poly1305_KEYBYTES ) ); try { ParagonIE_Sodium_Compat::memzero($block0); ParagonIE_Sodium_Compat::memzero($subkey); } catch (SodiumException $ex) { $block0 = null; $subkey = null; } $state->update($c); /** @var string $c - MAC || ciphertext */ $c = $state->finish() . $c; unset($state); return $c; } /** * Decrypt a ciphertext generated via secretbox(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $ciphertext * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function secretbox_open($ciphertext, $nonce, $key) { /** @var string $mac */ $mac = ParagonIE_Sodium_Core_Util::substr( $ciphertext, 0, self::secretbox_xsalsa20poly1305_MACBYTES ); /** @var string $c */ $c = ParagonIE_Sodium_Core_Util::substr( $ciphertext, self::secretbox_xsalsa20poly1305_MACBYTES ); /** @var int $clen */ $clen = ParagonIE_Sodium_Core_Util::strlen($c); /** @var string $subkey */ $subkey = ParagonIE_Sodium_Core_HSalsa20::hsalsa20($nonce, $key); /** @var string $block0 */ $block0 = ParagonIE_Sodium_Core_Salsa20::salsa20( 64, ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), $subkey ); $verified = ParagonIE_Sodium_Core_Poly1305::onetimeauth_verify( $mac, $c, ParagonIE_Sodium_Core_Util::substr($block0, 0, 32) ); if (!$verified) { try { ParagonIE_Sodium_Compat::memzero($subkey); } catch (SodiumException $ex) { $subkey = null; } throw new SodiumException('Invalid MAC'); } /** @var string $m - Decrypted message */ $m = ParagonIE_Sodium_Core_Util::xorStrings( ParagonIE_Sodium_Core_Util::substr($block0, self::secretbox_xsalsa20poly1305_ZEROBYTES), ParagonIE_Sodium_Core_Util::substr($c, 0, self::secretbox_xsalsa20poly1305_ZEROBYTES) ); if ($clen > self::secretbox_xsalsa20poly1305_ZEROBYTES) { // We had more than 1 block, so let's continue to decrypt the rest. $m .= ParagonIE_Sodium_Core_Salsa20::salsa20_xor_ic( ParagonIE_Sodium_Core_Util::substr( $c, self::secretbox_xsalsa20poly1305_ZEROBYTES ), ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), 1, (string) $subkey ); } return $m; } /** * XChaCha20-Poly1305 authenticated symmetric-key encryption. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $plaintext * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function secretbox_xchacha20poly1305($plaintext, $nonce, $key) { /** @var string $subkey */ $subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20( ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16), $key ); $nonceLast = ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8); /** @var string $block0 */ $block0 = str_repeat("\x00", 32); /** @var int $mlen - Length of the plaintext message */ $mlen = ParagonIE_Sodium_Core_Util::strlen($plaintext); $mlen0 = $mlen; if ($mlen0 > 64 - self::secretbox_xchacha20poly1305_ZEROBYTES) { $mlen0 = 64 - self::secretbox_xchacha20poly1305_ZEROBYTES; } $block0 .= ParagonIE_Sodium_Core_Util::substr($plaintext, 0, $mlen0); /** @var string $block0 */ $block0 = ParagonIE_Sodium_Core_ChaCha20::streamXorIc( $block0, $nonceLast, $subkey ); /** @var string $c */ $c = ParagonIE_Sodium_Core_Util::substr( $block0, self::secretbox_xchacha20poly1305_ZEROBYTES ); if ($mlen > $mlen0) { $c .= ParagonIE_Sodium_Core_ChaCha20::streamXorIc( ParagonIE_Sodium_Core_Util::substr( $plaintext, self::secretbox_xchacha20poly1305_ZEROBYTES ), $nonceLast, $subkey, ParagonIE_Sodium_Core_Util::store64_le(1) ); } $state = new ParagonIE_Sodium_Core_Poly1305_State( ParagonIE_Sodium_Core_Util::substr( $block0, 0, self::onetimeauth_poly1305_KEYBYTES ) ); try { ParagonIE_Sodium_Compat::memzero($block0); ParagonIE_Sodium_Compat::memzero($subkey); } catch (SodiumException $ex) { $block0 = null; $subkey = null; } $state->update($c); /** @var string $c - MAC || ciphertext */ $c = $state->finish() . $c; unset($state); return $c; } /** * Decrypt a ciphertext generated via secretbox_xchacha20poly1305(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $ciphertext * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key) { /** @var string $mac */ $mac = ParagonIE_Sodium_Core_Util::substr( $ciphertext, 0, self::secretbox_xchacha20poly1305_MACBYTES ); /** @var string $c */ $c = ParagonIE_Sodium_Core_Util::substr( $ciphertext, self::secretbox_xchacha20poly1305_MACBYTES ); /** @var int $clen */ $clen = ParagonIE_Sodium_Core_Util::strlen($c); /** @var string $subkey */ $subkey = ParagonIE_Sodium_Core_HChaCha20::hchacha20($nonce, $key); /** @var string $block0 */ $block0 = ParagonIE_Sodium_Core_ChaCha20::stream( 64, ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), $subkey ); $verified = ParagonIE_Sodium_Core_Poly1305::onetimeauth_verify( $mac, $c, ParagonIE_Sodium_Core_Util::substr($block0, 0, 32) ); if (!$verified) { try { ParagonIE_Sodium_Compat::memzero($subkey); } catch (SodiumException $ex) { $subkey = null; } throw new SodiumException('Invalid MAC'); } /** @var string $m - Decrypted message */ $m = ParagonIE_Sodium_Core_Util::xorStrings( ParagonIE_Sodium_Core_Util::substr($block0, self::secretbox_xchacha20poly1305_ZEROBYTES), ParagonIE_Sodium_Core_Util::substr($c, 0, self::secretbox_xchacha20poly1305_ZEROBYTES) ); if ($clen > self::secretbox_xchacha20poly1305_ZEROBYTES) { // We had more than 1 block, so let's continue to decrypt the rest. $m .= ParagonIE_Sodium_Core_ChaCha20::streamXorIc( ParagonIE_Sodium_Core_Util::substr( $c, self::secretbox_xchacha20poly1305_ZEROBYTES ), ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), (string) $subkey, ParagonIE_Sodium_Core_Util::store64_le(1) ); } return $m; } /** * @param string $key * @return array<int, string> Returns a state and a header. * @throws Exception * @throws SodiumException */ public static function secretstream_xchacha20poly1305_init_push($key) { # randombytes_buf(out, crypto_secretstream_xchacha20poly1305_HEADERBYTES); $out = random_bytes(24); # crypto_core_hchacha20(state->k, out, k, NULL); $subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20($out, $key); $state = new ParagonIE_Sodium_Core_SecretStream_State( $subkey, ParagonIE_Sodium_Core_Util::substr($out, 16, 8) . str_repeat("\0", 4) ); # _crypto_secretstream_xchacha20poly1305_counter_reset(state); $state->counterReset(); # memcpy(STATE_INONCE(state), out + crypto_core_hchacha20_INPUTBYTES, # crypto_secretstream_xchacha20poly1305_INONCEBYTES); # memset(state->_pad, 0, sizeof state->_pad); return array( $state->toString(), $out ); } /** * @param string $key * @param string $header * @return string Returns a state. * @throws Exception */ public static function secretstream_xchacha20poly1305_init_pull($key, $header) { # crypto_core_hchacha20(state->k, in, k, NULL); $subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20( ParagonIE_Sodium_Core_Util::substr($header, 0, 16), $key ); $state = new ParagonIE_Sodium_Core_SecretStream_State( $subkey, ParagonIE_Sodium_Core_Util::substr($header, 16) ); $state->counterReset(); # memcpy(STATE_INONCE(state), in + crypto_core_hchacha20_INPUTBYTES, # crypto_secretstream_xchacha20poly1305_INONCEBYTES); # memset(state->_pad, 0, sizeof state->_pad); # return 0; return $state->toString(); } /** * @param string $state * @param string $msg * @param string $aad * @param int $tag * @return string * @throws SodiumException */ public static function secretstream_xchacha20poly1305_push(&$state, $msg, $aad = '', $tag = 0) { $st = ParagonIE_Sodium_Core_SecretStream_State::fromString($state); # crypto_onetimeauth_poly1305_state poly1305_state; # unsigned char block[64U]; # unsigned char slen[8U]; # unsigned char *c; # unsigned char *mac; $msglen = ParagonIE_Sodium_Core_Util::strlen($msg); $aadlen = ParagonIE_Sodium_Core_Util::strlen($aad); if ((($msglen + 63) >> 6) > 0xfffffffe) { throw new SodiumException( 'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes' ); } # if (outlen_p != NULL) { # *outlen_p = 0U; # } # if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) { # sodium_misuse(); # } # crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k); # crypto_onetimeauth_poly1305_init(&poly1305_state, block); # sodium_memzero(block, sizeof block); $auth = new ParagonIE_Sodium_Core_Poly1305_State( ParagonIE_Sodium_Core_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey()) ); # crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen); $auth->update($aad); # crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0, # (0x10 - adlen) & 0xf); $auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf))); # memset(block, 0, sizeof block); # block[0] = tag; # crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block, # state->nonce, 1U, state->k); $block = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( ParagonIE_Sodium_Core_Util::intToChr($tag) . str_repeat("\0", 63), $st->getCombinedNonce(), $st->getKey(), ParagonIE_Sodium_Core_Util::store64_le(1) ); # crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block); $auth->update($block); # out[0] = block[0]; $out = $block[0]; # c = out + (sizeof tag); # crypto_stream_chacha20_ietf_xor_ic(c, m, mlen, state->nonce, 2U, state->k); $cipher = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( $msg, $st->getCombinedNonce(), $st->getKey(), ParagonIE_Sodium_Core_Util::store64_le(2) ); # crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen); $auth->update($cipher); $out .= $cipher; unset($cipher); # crypto_onetimeauth_poly1305_update # (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf); $auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf))); # STORE64_LE(slen, (uint64_t) adlen); $slen = ParagonIE_Sodium_Core_Util::store64_le($aadlen); # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); $auth->update($slen); # STORE64_LE(slen, (sizeof block) + mlen); $slen = ParagonIE_Sodium_Core_Util::store64_le(64 + $msglen); # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); $auth->update($slen); # mac = c + mlen; # crypto_onetimeauth_poly1305_final(&poly1305_state, mac); $mac = $auth->finish(); $out .= $mac; # sodium_memzero(&poly1305_state, sizeof poly1305_state); unset($auth); # XOR_BUF(STATE_INONCE(state), mac, # crypto_secretstream_xchacha20poly1305_INONCEBYTES); $st->xorNonce($mac); # sodium_increment(STATE_COUNTER(state), # crypto_secretstream_xchacha20poly1305_COUNTERBYTES); $st->incrementCounter(); // Overwrite by reference: $state = $st->toString(); /** @var bool $rekey */ $rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0; # if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 || # sodium_is_zero(STATE_COUNTER(state), # crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) { # crypto_secretstream_xchacha20poly1305_rekey(state); # } if ($rekey || $st->needsRekey()) { // DO REKEY self::secretstream_xchacha20poly1305_rekey($state); } # if (outlen_p != NULL) { # *outlen_p = crypto_secretstream_xchacha20poly1305_ABYTES + mlen; # } return $out; } /** * @param string $state * @param string $cipher * @param string $aad * @return bool|array{0: string, 1: int} * @throws SodiumException */ public static function secretstream_xchacha20poly1305_pull(&$state, $cipher, $aad = '') { $st = ParagonIE_Sodium_Core_SecretStream_State::fromString($state); $cipherlen = ParagonIE_Sodium_Core_Util::strlen($cipher); # mlen = inlen - crypto_secretstream_xchacha20poly1305_ABYTES; $msglen = $cipherlen - ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES; $aadlen = ParagonIE_Sodium_Core_Util::strlen($aad); # if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) { # sodium_misuse(); # } if ((($msglen + 63) >> 6) > 0xfffffffe) { throw new SodiumException( 'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes' ); } # crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k); # crypto_onetimeauth_poly1305_init(&poly1305_state, block); # sodium_memzero(block, sizeof block); $auth = new ParagonIE_Sodium_Core_Poly1305_State( ParagonIE_Sodium_Core_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey()) ); # crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen); $auth->update($aad); # crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0, # (0x10 - adlen) & 0xf); $auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf))); # memset(block, 0, sizeof block); # block[0] = in[0]; # crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block, # state->nonce, 1U, state->k); $block = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( $cipher[0] . str_repeat("\0", 63), $st->getCombinedNonce(), $st->getKey(), ParagonIE_Sodium_Core_Util::store64_le(1) ); # tag = block[0]; # block[0] = in[0]; # crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block); $tag = ParagonIE_Sodium_Core_Util::chrToInt($block[0]); $block[0] = $cipher[0]; $auth->update($block); # c = in + (sizeof tag); # crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen); $auth->update(ParagonIE_Sodium_Core_Util::substr($cipher, 1, $msglen)); # crypto_onetimeauth_poly1305_update # (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf); $auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf))); # STORE64_LE(slen, (uint64_t) adlen); # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); $slen = ParagonIE_Sodium_Core_Util::store64_le($aadlen); $auth->update($slen); # STORE64_LE(slen, (sizeof block) + mlen); # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); $slen = ParagonIE_Sodium_Core_Util::store64_le(64 + $msglen); $auth->update($slen); # crypto_onetimeauth_poly1305_final(&poly1305_state, mac); # sodium_memzero(&poly1305_state, sizeof poly1305_state); $mac = $auth->finish(); # stored_mac = c + mlen; # if (sodium_memcmp(mac, stored_mac, sizeof mac) != 0) { # sodium_memzero(mac, sizeof mac); # return -1; # } $stored = ParagonIE_Sodium_Core_Util::substr($cipher, $msglen + 1, 16); if (!ParagonIE_Sodium_Core_Util::hashEquals($mac, $stored)) { return false; } # crypto_stream_chacha20_ietf_xor_ic(m, c, mlen, state->nonce, 2U, state->k); $out = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( ParagonIE_Sodium_Core_Util::substr($cipher, 1, $msglen), $st->getCombinedNonce(), $st->getKey(), ParagonIE_Sodium_Core_Util::store64_le(2) ); # XOR_BUF(STATE_INONCE(state), mac, # crypto_secretstream_xchacha20poly1305_INONCEBYTES); $st->xorNonce($mac); # sodium_increment(STATE_COUNTER(state), # crypto_secretstream_xchacha20poly1305_COUNTERBYTES); $st->incrementCounter(); # if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 || # sodium_is_zero(STATE_COUNTER(state), # crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) { # crypto_secretstream_xchacha20poly1305_rekey(state); # } // Overwrite by reference: $state = $st->toString(); /** @var bool $rekey */ $rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0; if ($rekey || $st->needsRekey()) { // DO REKEY self::secretstream_xchacha20poly1305_rekey($state); } return array($out, $tag); } /** * @param string $state * @return void * @throws SodiumException */ public static function secretstream_xchacha20poly1305_rekey(&$state) { $st = ParagonIE_Sodium_Core_SecretStream_State::fromString($state); # unsigned char new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + # crypto_secretstream_xchacha20poly1305_INONCEBYTES]; # size_t i; # for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) { # new_key_and_inonce[i] = state->k[i]; # } $new_key_and_inonce = $st->getKey(); # for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) { # new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i] = # STATE_INONCE(state)[i]; # } $new_key_and_inonce .= ParagonIE_Sodium_Core_Util::substR($st->getNonce(), 0, 8); # crypto_stream_chacha20_ietf_xor(new_key_and_inonce, new_key_and_inonce, # sizeof new_key_and_inonce, # state->nonce, state->k); $st->rekey(ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( $new_key_and_inonce, $st->getCombinedNonce(), $st->getKey(), ParagonIE_Sodium_Core_Util::store64_le(0) )); # for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) { # state->k[i] = new_key_and_inonce[i]; # } # for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) { # STATE_INONCE(state)[i] = # new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i]; # } # _crypto_secretstream_xchacha20poly1305_counter_reset(state); $st->counterReset(); $state = $st->toString(); } /** * Detached Ed25519 signature. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $sk * @return string * @throws SodiumException * @throws TypeError */ public static function sign_detached($message, $sk) { return ParagonIE_Sodium_Core_Ed25519::sign_detached($message, $sk); } /** * Attached Ed25519 signature. (Returns a signed message.) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $sk * @return string * @throws SodiumException * @throws TypeError */ public static function sign($message, $sk) { return ParagonIE_Sodium_Core_Ed25519::sign($message, $sk); } /** * Opens a signed message. If valid, returns the message. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $signedMessage * @param string $pk * @return string * @throws SodiumException * @throws TypeError */ public static function sign_open($signedMessage, $pk) { return ParagonIE_Sodium_Core_Ed25519::sign_open($signedMessage, $pk); } /** * Verify a detached signature of a given message and public key. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $signature * @param string $message * @param string $pk * @return bool * @throws SodiumException * @throws TypeError */ public static function sign_verify_detached($signature, $message, $pk) { return ParagonIE_Sodium_Core_Ed25519::verify_detached($signature, $message, $pk); } } File.php 0000604 00000031363 14717743076 0006156 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Used for fetching remote files and reading local files * * Supports HTTP 1.0 via cURL or fsockopen, with spotty HTTP 1.1 support * * This class can be overloaded with {@see \SimplePie\SimplePie::set_file_class()} * * @package SimplePie * @subpackage HTTP * @todo Move to properly supporting RFC2616 (HTTP/1.1) */ class File { public $url; public $useragent; public $success = true; public $headers = []; public $body; public $status_code = 0; public $redirects = 0; public $error; public $method = \SimplePie\SimplePie::FILE_SOURCE_NONE; public $permanent_url; public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false, $curl_options = []) { if (class_exists('idna_convert')) { $idn = new \idna_convert(); $parsed = \SimplePie\Misc::parse_url($url); $url = \SimplePie\Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], null); } $this->url = $url; $this->permanent_url = $url; $this->useragent = $useragent; if (preg_match('/^http(s)?:\/\//i', $url)) { if ($useragent === null) { $useragent = ini_get('user_agent'); $this->useragent = $useragent; } if (!is_array($headers)) { $headers = []; } if (!$force_fsockopen && function_exists('curl_exec')) { $this->method = \SimplePie\SimplePie::FILE_SOURCE_REMOTE | \SimplePie\SimplePie::FILE_SOURCE_CURL; $fp = curl_init(); $headers2 = []; foreach ($headers as $key => $value) { $headers2[] = "$key: $value"; } if (version_compare(\SimplePie\Misc::get_curl_version(), '7.10.5', '>=')) { curl_setopt($fp, CURLOPT_ENCODING, ''); } curl_setopt($fp, CURLOPT_URL, $url); curl_setopt($fp, CURLOPT_HEADER, 1); curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1); curl_setopt($fp, CURLOPT_FAILONERROR, 1); curl_setopt($fp, CURLOPT_TIMEOUT, $timeout); curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout); curl_setopt($fp, CURLOPT_REFERER, \SimplePie\Misc::url_remove_credentials($url)); curl_setopt($fp, CURLOPT_USERAGENT, $useragent); curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2); foreach ($curl_options as $curl_param => $curl_value) { curl_setopt($fp, $curl_param, $curl_value); } $this->headers = curl_exec($fp); if (curl_errno($fp) === 23 || curl_errno($fp) === 61) { curl_setopt($fp, CURLOPT_ENCODING, 'none'); $this->headers = curl_exec($fp); } $this->status_code = curl_getinfo($fp, CURLINFO_HTTP_CODE); if (curl_errno($fp)) { $this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp); $this->success = false; } else { // Use the updated url provided by curl_getinfo after any redirects. if ($info = curl_getinfo($fp)) { $this->url = $info['url']; } curl_close($fp); $this->headers = \SimplePie\HTTP\Parser::prepareHeaders($this->headers, $info['redirect_count'] + 1); $parser = new \SimplePie\HTTP\Parser($this->headers); if ($parser->parse()) { $this->headers = $parser->headers; $this->body = trim($parser->body); $this->status_code = $parser->status_code; if ((in_array($this->status_code, [300, 301, 302, 303, 307]) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects) { $this->redirects++; $location = \SimplePie\Misc::absolutize_url($this->headers['location'], $url); $previousStatusCode = $this->status_code; $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen, $curl_options); $this->permanent_url = ($previousStatusCode == 301) ? $location : $url; return; } } } } else { $this->method = \SimplePie\SimplePie::FILE_SOURCE_REMOTE | \SimplePie\SimplePie::FILE_SOURCE_FSOCKOPEN; $url_parts = parse_url($url); $socket_host = $url_parts['host']; if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') { $socket_host = "ssl://$url_parts[host]"; $url_parts['port'] = 443; } if (!isset($url_parts['port'])) { $url_parts['port'] = 80; } $fp = @fsockopen($socket_host, $url_parts['port'], $errno, $errstr, $timeout); if (!$fp) { $this->error = 'fsockopen error: ' . $errstr; $this->success = false; } else { stream_set_timeout($fp, $timeout); if (isset($url_parts['path'])) { if (isset($url_parts['query'])) { $get = "$url_parts[path]?$url_parts[query]"; } else { $get = $url_parts['path']; } } else { $get = '/'; } $out = "GET $get HTTP/1.1\r\n"; $out .= "Host: $url_parts[host]\r\n"; $out .= "User-Agent: $useragent\r\n"; if (extension_loaded('zlib')) { $out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n"; } if (isset($url_parts['user']) && isset($url_parts['pass'])) { $out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n"; } foreach ($headers as $key => $value) { $out .= "$key: $value\r\n"; } $out .= "Connection: Close\r\n\r\n"; fwrite($fp, $out); $info = stream_get_meta_data($fp); $this->headers = ''; while (!$info['eof'] && !$info['timed_out']) { $this->headers .= fread($fp, 1160); $info = stream_get_meta_data($fp); } if (!$info['timed_out']) { $parser = new \SimplePie\HTTP\Parser($this->headers); if ($parser->parse()) { $this->headers = $parser->headers; $this->body = $parser->body; $this->status_code = $parser->status_code; if ((in_array($this->status_code, [300, 301, 302, 303, 307]) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects) { $this->redirects++; $location = \SimplePie\Misc::absolutize_url($this->headers['location'], $url); $previousStatusCode = $this->status_code; $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen, $curl_options); $this->permanent_url = ($previousStatusCode == 301) ? $location : $url; return; } if (isset($this->headers['content-encoding'])) { // Hey, we act dumb elsewhere, so let's do that here too switch (strtolower(trim($this->headers['content-encoding'], "\x09\x0A\x0D\x20"))) { case 'gzip': case 'x-gzip': $decoder = new \SimplePie\Gzdecode($this->body); if (!$decoder->parse()) { $this->error = 'Unable to decode HTTP "gzip" stream'; $this->success = false; } else { $this->body = trim($decoder->data); } break; case 'deflate': if (($decompressed = gzinflate($this->body)) !== false) { $this->body = $decompressed; } elseif (($decompressed = gzuncompress($this->body)) !== false) { $this->body = $decompressed; } elseif (function_exists('gzdecode') && ($decompressed = gzdecode($this->body)) !== false) { $this->body = $decompressed; } else { $this->error = 'Unable to decode HTTP "deflate" stream'; $this->success = false; } break; default: $this->error = 'Unknown content coding'; $this->success = false; } } } } else { $this->error = 'fsocket timed out'; $this->success = false; } fclose($fp); } } } else { $this->method = \SimplePie\SimplePie::FILE_SOURCE_LOCAL | \SimplePie\SimplePie::FILE_SOURCE_FILE_GET_CONTENTS; if (empty($url) || !($this->body = trim(file_get_contents($url)))) { $this->error = 'file_get_contents could not read the file'; $this->success = false; } } } } class_alias('SimplePie\File', 'SimplePie_File'); Crypto32.php 0000644 00000153517 14717743076 0006736 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Crypto32', false)) { return; } /** * Class ParagonIE_Sodium_Crypto * * ATTENTION! * * If you are using this library, you should be using * ParagonIE_Sodium_Compat in your code, not this class. */ abstract class ParagonIE_Sodium_Crypto32 { const aead_chacha20poly1305_KEYBYTES = 32; const aead_chacha20poly1305_NSECBYTES = 0; const aead_chacha20poly1305_NPUBBYTES = 8; const aead_chacha20poly1305_ABYTES = 16; const aead_chacha20poly1305_IETF_KEYBYTES = 32; const aead_chacha20poly1305_IETF_NSECBYTES = 0; const aead_chacha20poly1305_IETF_NPUBBYTES = 12; const aead_chacha20poly1305_IETF_ABYTES = 16; const aead_xchacha20poly1305_IETF_KEYBYTES = 32; const aead_xchacha20poly1305_IETF_NSECBYTES = 0; const aead_xchacha20poly1305_IETF_NPUBBYTES = 24; const aead_xchacha20poly1305_IETF_ABYTES = 16; const box_curve25519xsalsa20poly1305_SEEDBYTES = 32; const box_curve25519xsalsa20poly1305_PUBLICKEYBYTES = 32; const box_curve25519xsalsa20poly1305_SECRETKEYBYTES = 32; const box_curve25519xsalsa20poly1305_BEFORENMBYTES = 32; const box_curve25519xsalsa20poly1305_NONCEBYTES = 24; const box_curve25519xsalsa20poly1305_MACBYTES = 16; const box_curve25519xsalsa20poly1305_BOXZEROBYTES = 16; const box_curve25519xsalsa20poly1305_ZEROBYTES = 32; const onetimeauth_poly1305_BYTES = 16; const onetimeauth_poly1305_KEYBYTES = 32; const secretbox_xsalsa20poly1305_KEYBYTES = 32; const secretbox_xsalsa20poly1305_NONCEBYTES = 24; const secretbox_xsalsa20poly1305_MACBYTES = 16; const secretbox_xsalsa20poly1305_BOXZEROBYTES = 16; const secretbox_xsalsa20poly1305_ZEROBYTES = 32; const secretbox_xchacha20poly1305_KEYBYTES = 32; const secretbox_xchacha20poly1305_NONCEBYTES = 24; const secretbox_xchacha20poly1305_MACBYTES = 16; const secretbox_xchacha20poly1305_BOXZEROBYTES = 16; const secretbox_xchacha20poly1305_ZEROBYTES = 32; const stream_salsa20_KEYBYTES = 32; /** * AEAD Decryption with ChaCha20-Poly1305 * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_chacha20poly1305_decrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { /** @var int $len - Length of message (ciphertext + MAC) */ $len = ParagonIE_Sodium_Core32_Util::strlen($message); /** @var int $clen - Length of ciphertext */ $clen = $len - self::aead_chacha20poly1305_ABYTES; /** @var int $adlen - Length of associated data */ $adlen = ParagonIE_Sodium_Core32_Util::strlen($ad); /** @var string $mac - Message authentication code */ $mac = ParagonIE_Sodium_Core32_Util::substr( $message, $clen, self::aead_chacha20poly1305_ABYTES ); /** @var string $ciphertext - The encrypted message (sans MAC) */ $ciphertext = ParagonIE_Sodium_Core32_Util::substr($message, 0, $clen); /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ $block0 = ParagonIE_Sodium_Core32_ChaCha20::stream( 32, $nonce, $key ); /* Recalculate the Poly1305 authentication tag (MAC): */ $state = new ParagonIE_Sodium_Core32_Poly1305_State($block0); try { ParagonIE_Sodium_Compat::memzero($block0); } catch (SodiumException $ex) { $block0 = null; } $state->update($ad); $state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen)); $state->update($ciphertext); $state->update(ParagonIE_Sodium_Core32_Util::store64_le($clen)); $computed_mac = $state->finish(); /* Compare the given MAC with the recalculated MAC: */ if (!ParagonIE_Sodium_Core32_Util::verify_16($computed_mac, $mac)) { throw new SodiumException('Invalid MAC'); } // Here, we know that the MAC is valid, so we decrypt and return the plaintext return ParagonIE_Sodium_Core32_ChaCha20::streamXorIc( $ciphertext, $nonce, $key, ParagonIE_Sodium_Core32_Util::store64_le(1) ); } /** * AEAD Encryption with ChaCha20-Poly1305 * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_chacha20poly1305_encrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { /** @var int $len - Length of the plaintext message */ $len = ParagonIE_Sodium_Core32_Util::strlen($message); /** @var int $adlen - Length of the associated data */ $adlen = ParagonIE_Sodium_Core32_Util::strlen($ad); /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ $block0 = ParagonIE_Sodium_Core32_ChaCha20::stream( 32, $nonce, $key ); $state = new ParagonIE_Sodium_Core32_Poly1305_State($block0); try { ParagonIE_Sodium_Compat::memzero($block0); } catch (SodiumException $ex) { $block0 = null; } /** @var string $ciphertext - Raw encrypted data */ $ciphertext = ParagonIE_Sodium_Core32_ChaCha20::streamXorIc( $message, $nonce, $key, ParagonIE_Sodium_Core32_Util::store64_le(1) ); $state->update($ad); $state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen)); $state->update($ciphertext); $state->update(ParagonIE_Sodium_Core32_Util::store64_le($len)); return $ciphertext . $state->finish(); } /** * AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_chacha20poly1305_ietf_decrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { /** @var int $adlen - Length of associated data */ $adlen = ParagonIE_Sodium_Core32_Util::strlen($ad); /** @var int $len - Length of message (ciphertext + MAC) */ $len = ParagonIE_Sodium_Core32_Util::strlen($message); /** @var int $clen - Length of ciphertext */ $clen = $len - self::aead_chacha20poly1305_IETF_ABYTES; /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ $block0 = ParagonIE_Sodium_Core32_ChaCha20::ietfStream( 32, $nonce, $key ); /** @var string $mac - Message authentication code */ $mac = ParagonIE_Sodium_Core32_Util::substr( $message, $len - self::aead_chacha20poly1305_IETF_ABYTES, self::aead_chacha20poly1305_IETF_ABYTES ); /** @var string $ciphertext - The encrypted message (sans MAC) */ $ciphertext = ParagonIE_Sodium_Core32_Util::substr( $message, 0, $len - self::aead_chacha20poly1305_IETF_ABYTES ); /* Recalculate the Poly1305 authentication tag (MAC): */ $state = new ParagonIE_Sodium_Core32_Poly1305_State($block0); try { ParagonIE_Sodium_Compat::memzero($block0); } catch (SodiumException $ex) { $block0 = null; } $state->update($ad); $state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf))); $state->update($ciphertext); $state->update(str_repeat("\x00", (0x10 - $clen) & 0xf)); $state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen)); $state->update(ParagonIE_Sodium_Core32_Util::store64_le($clen)); $computed_mac = $state->finish(); /* Compare the given MAC with the recalculated MAC: */ if (!ParagonIE_Sodium_Core32_Util::verify_16($computed_mac, $mac)) { throw new SodiumException('Invalid MAC'); } // Here, we know that the MAC is valid, so we decrypt and return the plaintext return ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( $ciphertext, $nonce, $key, ParagonIE_Sodium_Core32_Util::store64_le(1) ); } /** * AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_chacha20poly1305_ietf_encrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { /** @var int $len - Length of the plaintext message */ $len = ParagonIE_Sodium_Core32_Util::strlen($message); /** @var int $adlen - Length of the associated data */ $adlen = ParagonIE_Sodium_Core32_Util::strlen($ad); /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ $block0 = ParagonIE_Sodium_Core32_ChaCha20::ietfStream( 32, $nonce, $key ); $state = new ParagonIE_Sodium_Core32_Poly1305_State($block0); try { ParagonIE_Sodium_Compat::memzero($block0); } catch (SodiumException $ex) { $block0 = null; } /** @var string $ciphertext - Raw encrypted data */ $ciphertext = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( $message, $nonce, $key, ParagonIE_Sodium_Core32_Util::store64_le(1) ); $state->update($ad); $state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf))); $state->update($ciphertext); $state->update(str_repeat("\x00", ((0x10 - $len) & 0xf))); $state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen)); $state->update(ParagonIE_Sodium_Core32_Util::store64_le($len)); return $ciphertext . $state->finish(); } /** * AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_xchacha20poly1305_ietf_decrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { $subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20( ParagonIE_Sodium_Core32_Util::substr($nonce, 0, 16), $key ); $nonceLast = "\x00\x00\x00\x00" . ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8); return self::aead_chacha20poly1305_ietf_decrypt($message, $ad, $nonceLast, $subkey); } /** * AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $ad * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function aead_xchacha20poly1305_ietf_encrypt( $message = '', $ad = '', $nonce = '', $key = '' ) { $subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20( ParagonIE_Sodium_Core32_Util::substr($nonce, 0, 16), $key ); $nonceLast = "\x00\x00\x00\x00" . ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8); return self::aead_chacha20poly1305_ietf_encrypt($message, $ad, $nonceLast, $subkey); } /** * HMAC-SHA-512-256 (a.k.a. the leftmost 256 bits of HMAC-SHA-512) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $key * @return string * @throws TypeError */ public static function auth($message, $key) { return ParagonIE_Sodium_Core32_Util::substr( hash_hmac('sha512', $message, $key, true), 0, 32 ); } /** * HMAC-SHA-512-256 validation. Constant-time via hash_equals(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $mac * @param string $message * @param string $key * @return bool * @throws SodiumException * @throws TypeError */ public static function auth_verify($mac, $message, $key) { return ParagonIE_Sodium_Core32_Util::hashEquals( $mac, self::auth($message, $key) ); } /** * X25519 key exchange followed by XSalsa20Poly1305 symmetric encryption * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $plaintext * @param string $nonce * @param string $keypair * @return string * @throws SodiumException * @throws TypeError */ public static function box($plaintext, $nonce, $keypair) { return self::secretbox( $plaintext, $nonce, self::box_beforenm( self::box_secretkey($keypair), self::box_publickey($keypair) ) ); } /** * X25519-XSalsa20-Poly1305 with one ephemeral X25519 keypair. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $publicKey * @return string * @throws SodiumException * @throws TypeError */ public static function box_seal($message, $publicKey) { /** @var string $ephemeralKeypair */ $ephemeralKeypair = self::box_keypair(); /** @var string $ephemeralSK */ $ephemeralSK = self::box_secretkey($ephemeralKeypair); /** @var string $ephemeralPK */ $ephemeralPK = self::box_publickey($ephemeralKeypair); /** @var string $nonce */ $nonce = self::generichash( $ephemeralPK . $publicKey, '', 24 ); /** @var string $keypair - The combined keypair used in crypto_box() */ $keypair = self::box_keypair_from_secretkey_and_publickey($ephemeralSK, $publicKey); /** @var string $ciphertext Ciphertext + MAC from crypto_box */ $ciphertext = self::box($message, $nonce, $keypair); try { ParagonIE_Sodium_Compat::memzero($ephemeralKeypair); ParagonIE_Sodium_Compat::memzero($ephemeralSK); ParagonIE_Sodium_Compat::memzero($nonce); } catch (SodiumException $ex) { $ephemeralKeypair = null; $ephemeralSK = null; $nonce = null; } return $ephemeralPK . $ciphertext; } /** * Opens a message encrypted via box_seal(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $keypair * @return string * @throws SodiumException * @throws TypeError */ public static function box_seal_open($message, $keypair) { /** @var string $ephemeralPK */ $ephemeralPK = ParagonIE_Sodium_Core32_Util::substr($message, 0, 32); /** @var string $ciphertext (ciphertext + MAC) */ $ciphertext = ParagonIE_Sodium_Core32_Util::substr($message, 32); /** @var string $secretKey */ $secretKey = self::box_secretkey($keypair); /** @var string $publicKey */ $publicKey = self::box_publickey($keypair); /** @var string $nonce */ $nonce = self::generichash( $ephemeralPK . $publicKey, '', 24 ); /** @var string $keypair */ $keypair = self::box_keypair_from_secretkey_and_publickey($secretKey, $ephemeralPK); /** @var string $m */ $m = self::box_open($ciphertext, $nonce, $keypair); try { ParagonIE_Sodium_Compat::memzero($secretKey); ParagonIE_Sodium_Compat::memzero($ephemeralPK); ParagonIE_Sodium_Compat::memzero($nonce); } catch (SodiumException $ex) { $secretKey = null; $ephemeralPK = null; $nonce = null; } return $m; } /** * Used by crypto_box() to get the crypto_secretbox() key. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $sk * @param string $pk * @return string * @throws SodiumException * @throws TypeError */ public static function box_beforenm($sk, $pk) { return ParagonIE_Sodium_Core32_HSalsa20::hsalsa20( str_repeat("\x00", 16), self::scalarmult($sk, $pk) ); } /** * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @return string * @throws Exception * @throws SodiumException * @throws TypeError */ public static function box_keypair() { $sKey = random_bytes(32); $pKey = self::scalarmult_base($sKey); return $sKey . $pKey; } /** * @param string $seed * @return string * @throws SodiumException * @throws TypeError */ public static function box_seed_keypair($seed) { $sKey = ParagonIE_Sodium_Core32_Util::substr( hash('sha512', $seed, true), 0, 32 ); $pKey = self::scalarmult_base($sKey); return $sKey . $pKey; } /** * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $sKey * @param string $pKey * @return string * @throws TypeError */ public static function box_keypair_from_secretkey_and_publickey($sKey, $pKey) { return ParagonIE_Sodium_Core32_Util::substr($sKey, 0, 32) . ParagonIE_Sodium_Core32_Util::substr($pKey, 0, 32); } /** * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $keypair * @return string * @throws RangeException * @throws TypeError */ public static function box_secretkey($keypair) { if (ParagonIE_Sodium_Core32_Util::strlen($keypair) !== 64) { throw new RangeException( 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.' ); } return ParagonIE_Sodium_Core32_Util::substr($keypair, 0, 32); } /** * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $keypair * @return string * @throws RangeException * @throws TypeError */ public static function box_publickey($keypair) { if (ParagonIE_Sodium_Core32_Util::strlen($keypair) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES) { throw new RangeException( 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.' ); } return ParagonIE_Sodium_Core32_Util::substr($keypair, 32, 32); } /** * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $sKey * @return string * @throws RangeException * @throws SodiumException * @throws TypeError */ public static function box_publickey_from_secretkey($sKey) { if (ParagonIE_Sodium_Core32_Util::strlen($sKey) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES) { throw new RangeException( 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES bytes long.' ); } return self::scalarmult_base($sKey); } /** * Decrypt a message encrypted with box(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $ciphertext * @param string $nonce * @param string $keypair * @return string * @throws SodiumException * @throws TypeError */ public static function box_open($ciphertext, $nonce, $keypair) { return self::secretbox_open( $ciphertext, $nonce, self::box_beforenm( self::box_secretkey($keypair), self::box_publickey($keypair) ) ); } /** * Calculate a BLAKE2b hash. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string|null $key * @param int $outlen * @return string * @throws RangeException * @throws SodiumException * @throws TypeError */ public static function generichash($message, $key = '', $outlen = 32) { // This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor(); $k = null; if (!empty($key)) { /** @var SplFixedArray $k */ $k = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($key); if ($k->count() > ParagonIE_Sodium_Core32_BLAKE2b::KEYBYTES) { throw new RangeException('Invalid key size'); } } /** @var SplFixedArray $in */ $in = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($message); /** @var SplFixedArray $ctx */ $ctx = ParagonIE_Sodium_Core32_BLAKE2b::init($k, $outlen); ParagonIE_Sodium_Core32_BLAKE2b::update($ctx, $in, $in->count()); /** @var SplFixedArray $out */ $out = new SplFixedArray($outlen); $out = ParagonIE_Sodium_Core32_BLAKE2b::finish($ctx, $out); /** @var array<int, int> */ $outArray = $out->toArray(); return ParagonIE_Sodium_Core32_Util::intArrayToString($outArray); } /** * Finalize a BLAKE2b hashing context, returning the hash. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $ctx * @param int $outlen * @return string * @throws SodiumException * @throws TypeError */ public static function generichash_final($ctx, $outlen = 32) { if (!is_string($ctx)) { throw new TypeError('Context must be a string'); } $out = new SplFixedArray($outlen); /** @var SplFixedArray $context */ $context = ParagonIE_Sodium_Core32_BLAKE2b::stringToContext($ctx); /** @var SplFixedArray $out */ $out = ParagonIE_Sodium_Core32_BLAKE2b::finish($context, $out); /** @var array<int, int> */ $outArray = $out->toArray(); return ParagonIE_Sodium_Core32_Util::intArrayToString($outArray); } /** * Initialize a hashing context for BLAKE2b. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $key * @param int $outputLength * @return string * @throws RangeException * @throws SodiumException * @throws TypeError */ public static function generichash_init($key = '', $outputLength = 32) { // This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor(); $k = null; if (!empty($key)) { $k = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($key); if ($k->count() > ParagonIE_Sodium_Core32_BLAKE2b::KEYBYTES) { throw new RangeException('Invalid key size'); } } /** @var SplFixedArray $ctx */ $ctx = ParagonIE_Sodium_Core32_BLAKE2b::init($k, $outputLength); return ParagonIE_Sodium_Core32_BLAKE2b::contextToString($ctx); } /** * Initialize a hashing context for BLAKE2b. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $key * @param int $outputLength * @param string $salt * @param string $personal * @return string * @throws RangeException * @throws SodiumException * @throws TypeError */ public static function generichash_init_salt_personal( $key = '', $outputLength = 32, $salt = '', $personal = '' ) { // This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor(); $k = null; if (!empty($key)) { $k = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($key); if ($k->count() > ParagonIE_Sodium_Core32_BLAKE2b::KEYBYTES) { throw new RangeException('Invalid key size'); } } if (!empty($salt)) { $s = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($salt); } else { $s = null; } if (!empty($salt)) { $p = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($personal); } else { $p = null; } /** @var SplFixedArray $ctx */ $ctx = ParagonIE_Sodium_Core32_BLAKE2b::init($k, $outputLength, $s, $p); return ParagonIE_Sodium_Core32_BLAKE2b::contextToString($ctx); } /** * Update a hashing context for BLAKE2b with $message * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $ctx * @param string $message * @return string * @throws SodiumException * @throws TypeError */ public static function generichash_update($ctx, $message) { // This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor(); /** @var SplFixedArray $context */ $context = ParagonIE_Sodium_Core32_BLAKE2b::stringToContext($ctx); /** @var SplFixedArray $in */ $in = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($message); ParagonIE_Sodium_Core32_BLAKE2b::update($context, $in, $in->count()); return ParagonIE_Sodium_Core32_BLAKE2b::contextToString($context); } /** * Libsodium's crypto_kx(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $my_sk * @param string $their_pk * @param string $client_pk * @param string $server_pk * @return string * @throws SodiumException * @throws TypeError */ public static function keyExchange($my_sk, $their_pk, $client_pk, $server_pk) { return self::generichash( self::scalarmult($my_sk, $their_pk) . $client_pk . $server_pk ); } /** * ECDH over Curve25519 * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $sKey * @param string $pKey * @return string * * @throws SodiumException * @throws TypeError */ public static function scalarmult($sKey, $pKey) { $q = ParagonIE_Sodium_Core32_X25519::crypto_scalarmult_curve25519_ref10($sKey, $pKey); self::scalarmult_throw_if_zero($q); return $q; } /** * ECDH over Curve25519, using the basepoint. * Used to get a secret key from a public key. * * @param string $secret * @return string * * @throws SodiumException * @throws TypeError */ public static function scalarmult_base($secret) { $q = ParagonIE_Sodium_Core32_X25519::crypto_scalarmult_curve25519_ref10_base($secret); self::scalarmult_throw_if_zero($q); return $q; } /** * This throws an Error if a zero public key was passed to the function. * * @param string $q * @return void * @throws SodiumException * @throws TypeError */ protected static function scalarmult_throw_if_zero($q) { $d = 0; for ($i = 0; $i < self::box_curve25519xsalsa20poly1305_SECRETKEYBYTES; ++$i) { $d |= ParagonIE_Sodium_Core32_Util::chrToInt($q[$i]); } /* branch-free variant of === 0 */ if (-(1 & (($d - 1) >> 8))) { throw new SodiumException('Zero public key is not allowed'); } } /** * XSalsa20-Poly1305 authenticated symmetric-key encryption. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $plaintext * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function secretbox($plaintext, $nonce, $key) { /** @var string $subkey */ $subkey = ParagonIE_Sodium_Core32_HSalsa20::hsalsa20($nonce, $key); /** @var string $block0 */ $block0 = str_repeat("\x00", 32); /** @var int $mlen - Length of the plaintext message */ $mlen = ParagonIE_Sodium_Core32_Util::strlen($plaintext); $mlen0 = $mlen; if ($mlen0 > 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES) { $mlen0 = 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES; } $block0 .= ParagonIE_Sodium_Core32_Util::substr($plaintext, 0, $mlen0); /** @var string $block0 */ $block0 = ParagonIE_Sodium_Core32_Salsa20::salsa20_xor( $block0, ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), $subkey ); /** @var string $c */ $c = ParagonIE_Sodium_Core32_Util::substr( $block0, self::secretbox_xsalsa20poly1305_ZEROBYTES ); if ($mlen > $mlen0) { $c .= ParagonIE_Sodium_Core32_Salsa20::salsa20_xor_ic( ParagonIE_Sodium_Core32_Util::substr( $plaintext, self::secretbox_xsalsa20poly1305_ZEROBYTES ), ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), 1, $subkey ); } $state = new ParagonIE_Sodium_Core32_Poly1305_State( ParagonIE_Sodium_Core32_Util::substr( $block0, 0, self::onetimeauth_poly1305_KEYBYTES ) ); try { ParagonIE_Sodium_Compat::memzero($block0); ParagonIE_Sodium_Compat::memzero($subkey); } catch (SodiumException $ex) { $block0 = null; $subkey = null; } $state->update($c); /** @var string $c - MAC || ciphertext */ $c = $state->finish() . $c; unset($state); return $c; } /** * Decrypt a ciphertext generated via secretbox(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $ciphertext * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function secretbox_open($ciphertext, $nonce, $key) { /** @var string $mac */ $mac = ParagonIE_Sodium_Core32_Util::substr( $ciphertext, 0, self::secretbox_xsalsa20poly1305_MACBYTES ); /** @var string $c */ $c = ParagonIE_Sodium_Core32_Util::substr( $ciphertext, self::secretbox_xsalsa20poly1305_MACBYTES ); /** @var int $clen */ $clen = ParagonIE_Sodium_Core32_Util::strlen($c); /** @var string $subkey */ $subkey = ParagonIE_Sodium_Core32_HSalsa20::hsalsa20($nonce, $key); /** @var string $block0 */ $block0 = ParagonIE_Sodium_Core32_Salsa20::salsa20( 64, ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), $subkey ); $verified = ParagonIE_Sodium_Core32_Poly1305::onetimeauth_verify( $mac, $c, ParagonIE_Sodium_Core32_Util::substr($block0, 0, 32) ); if (!$verified) { try { ParagonIE_Sodium_Compat::memzero($subkey); } catch (SodiumException $ex) { $subkey = null; } throw new SodiumException('Invalid MAC'); } /** @var string $m - Decrypted message */ $m = ParagonIE_Sodium_Core32_Util::xorStrings( ParagonIE_Sodium_Core32_Util::substr($block0, self::secretbox_xsalsa20poly1305_ZEROBYTES), ParagonIE_Sodium_Core32_Util::substr($c, 0, self::secretbox_xsalsa20poly1305_ZEROBYTES) ); if ($clen > self::secretbox_xsalsa20poly1305_ZEROBYTES) { // We had more than 1 block, so let's continue to decrypt the rest. $m .= ParagonIE_Sodium_Core32_Salsa20::salsa20_xor_ic( ParagonIE_Sodium_Core32_Util::substr( $c, self::secretbox_xsalsa20poly1305_ZEROBYTES ), ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), 1, (string) $subkey ); } return $m; } /** * XChaCha20-Poly1305 authenticated symmetric-key encryption. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $plaintext * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function secretbox_xchacha20poly1305($plaintext, $nonce, $key) { /** @var string $subkey */ $subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20( ParagonIE_Sodium_Core32_Util::substr($nonce, 0, 16), $key ); $nonceLast = ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8); /** @var string $block0 */ $block0 = str_repeat("\x00", 32); /** @var int $mlen - Length of the plaintext message */ $mlen = ParagonIE_Sodium_Core32_Util::strlen($plaintext); $mlen0 = $mlen; if ($mlen0 > 64 - self::secretbox_xchacha20poly1305_ZEROBYTES) { $mlen0 = 64 - self::secretbox_xchacha20poly1305_ZEROBYTES; } $block0 .= ParagonIE_Sodium_Core32_Util::substr($plaintext, 0, $mlen0); /** @var string $block0 */ $block0 = ParagonIE_Sodium_Core32_ChaCha20::streamXorIc( $block0, $nonceLast, $subkey ); /** @var string $c */ $c = ParagonIE_Sodium_Core32_Util::substr( $block0, self::secretbox_xchacha20poly1305_ZEROBYTES ); if ($mlen > $mlen0) { $c .= ParagonIE_Sodium_Core32_ChaCha20::streamXorIc( ParagonIE_Sodium_Core32_Util::substr( $plaintext, self::secretbox_xchacha20poly1305_ZEROBYTES ), $nonceLast, $subkey, ParagonIE_Sodium_Core32_Util::store64_le(1) ); } $state = new ParagonIE_Sodium_Core32_Poly1305_State( ParagonIE_Sodium_Core32_Util::substr( $block0, 0, self::onetimeauth_poly1305_KEYBYTES ) ); try { ParagonIE_Sodium_Compat::memzero($block0); ParagonIE_Sodium_Compat::memzero($subkey); } catch (SodiumException $ex) { $block0 = null; $subkey = null; } $state->update($c); /** @var string $c - MAC || ciphertext */ $c = $state->finish() . $c; unset($state); return $c; } /** * Decrypt a ciphertext generated via secretbox_xchacha20poly1305(). * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $ciphertext * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key) { /** @var string $mac */ $mac = ParagonIE_Sodium_Core32_Util::substr( $ciphertext, 0, self::secretbox_xchacha20poly1305_MACBYTES ); /** @var string $c */ $c = ParagonIE_Sodium_Core32_Util::substr( $ciphertext, self::secretbox_xchacha20poly1305_MACBYTES ); /** @var int $clen */ $clen = ParagonIE_Sodium_Core32_Util::strlen($c); /** @var string $subkey */ $subkey = ParagonIE_Sodium_Core32_HChaCha20::hchacha20($nonce, $key); /** @var string $block0 */ $block0 = ParagonIE_Sodium_Core32_ChaCha20::stream( 64, ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), $subkey ); $verified = ParagonIE_Sodium_Core32_Poly1305::onetimeauth_verify( $mac, $c, ParagonIE_Sodium_Core32_Util::substr($block0, 0, 32) ); if (!$verified) { try { ParagonIE_Sodium_Compat::memzero($subkey); } catch (SodiumException $ex) { $subkey = null; } throw new SodiumException('Invalid MAC'); } /** @var string $m - Decrypted message */ $m = ParagonIE_Sodium_Core32_Util::xorStrings( ParagonIE_Sodium_Core32_Util::substr($block0, self::secretbox_xchacha20poly1305_ZEROBYTES), ParagonIE_Sodium_Core32_Util::substr($c, 0, self::secretbox_xchacha20poly1305_ZEROBYTES) ); if ($clen > self::secretbox_xchacha20poly1305_ZEROBYTES) { // We had more than 1 block, so let's continue to decrypt the rest. $m .= ParagonIE_Sodium_Core32_ChaCha20::streamXorIc( ParagonIE_Sodium_Core32_Util::substr( $c, self::secretbox_xchacha20poly1305_ZEROBYTES ), ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), (string) $subkey, ParagonIE_Sodium_Core32_Util::store64_le(1) ); } return $m; } /** * @param string $key * @return array<int, string> Returns a state and a header. * @throws Exception * @throws SodiumException */ public static function secretstream_xchacha20poly1305_init_push($key) { # randombytes_buf(out, crypto_secretstream_xchacha20poly1305_HEADERBYTES); $out = random_bytes(24); # crypto_core_hchacha20(state->k, out, k, NULL); $subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20($out, $key); $state = new ParagonIE_Sodium_Core32_SecretStream_State( $subkey, ParagonIE_Sodium_Core32_Util::substr($out, 16, 8) . str_repeat("\0", 4) ); # _crypto_secretstream_xchacha20poly1305_counter_reset(state); $state->counterReset(); # memcpy(STATE_INONCE(state), out + crypto_core_hchacha20_INPUTBYTES, # crypto_secretstream_xchacha20poly1305_INONCEBYTES); # memset(state->_pad, 0, sizeof state->_pad); return array( $state->toString(), $out ); } /** * @param string $key * @param string $header * @return string Returns a state. * @throws Exception */ public static function secretstream_xchacha20poly1305_init_pull($key, $header) { # crypto_core_hchacha20(state->k, in, k, NULL); $subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20( ParagonIE_Sodium_Core32_Util::substr($header, 0, 16), $key ); $state = new ParagonIE_Sodium_Core32_SecretStream_State( $subkey, ParagonIE_Sodium_Core32_Util::substr($header, 16) ); $state->counterReset(); # memcpy(STATE_INONCE(state), in + crypto_core_hchacha20_INPUTBYTES, # crypto_secretstream_xchacha20poly1305_INONCEBYTES); # memset(state->_pad, 0, sizeof state->_pad); # return 0; return $state->toString(); } /** * @param string $state * @param string $msg * @param string $aad * @param int $tag * @return string * @throws SodiumException */ public static function secretstream_xchacha20poly1305_push(&$state, $msg, $aad = '', $tag = 0) { $st = ParagonIE_Sodium_Core32_SecretStream_State::fromString($state); # crypto_onetimeauth_poly1305_state poly1305_state; # unsigned char block[64U]; # unsigned char slen[8U]; # unsigned char *c; # unsigned char *mac; $msglen = ParagonIE_Sodium_Core32_Util::strlen($msg); $aadlen = ParagonIE_Sodium_Core32_Util::strlen($aad); if ((($msglen + 63) >> 6) > 0xfffffffe) { throw new SodiumException( 'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes' ); } # if (outlen_p != NULL) { # *outlen_p = 0U; # } # if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) { # sodium_misuse(); # } # crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k); # crypto_onetimeauth_poly1305_init(&poly1305_state, block); # sodium_memzero(block, sizeof block); $auth = new ParagonIE_Sodium_Core32_Poly1305_State( ParagonIE_Sodium_Core32_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey()) ); # crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen); $auth->update($aad); # crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0, # (0x10 - adlen) & 0xf); $auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf))); # memset(block, 0, sizeof block); # block[0] = tag; # crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block, # state->nonce, 1U, state->k); $block = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( ParagonIE_Sodium_Core32_Util::intToChr($tag) . str_repeat("\0", 63), $st->getCombinedNonce(), $st->getKey(), ParagonIE_Sodium_Core32_Util::store64_le(1) ); # crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block); $auth->update($block); # out[0] = block[0]; $out = $block[0]; # c = out + (sizeof tag); # crypto_stream_chacha20_ietf_xor_ic(c, m, mlen, state->nonce, 2U, state->k); $cipher = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( $msg, $st->getCombinedNonce(), $st->getKey(), ParagonIE_Sodium_Core32_Util::store64_le(2) ); # crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen); $auth->update($cipher); $out .= $cipher; unset($cipher); # crypto_onetimeauth_poly1305_update # (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf); $auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf))); # STORE64_LE(slen, (uint64_t) adlen); $slen = ParagonIE_Sodium_Core32_Util::store64_le($aadlen); # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); $auth->update($slen); # STORE64_LE(slen, (sizeof block) + mlen); $slen = ParagonIE_Sodium_Core32_Util::store64_le(64 + $msglen); # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); $auth->update($slen); # mac = c + mlen; # crypto_onetimeauth_poly1305_final(&poly1305_state, mac); $mac = $auth->finish(); $out .= $mac; # sodium_memzero(&poly1305_state, sizeof poly1305_state); unset($auth); # XOR_BUF(STATE_INONCE(state), mac, # crypto_secretstream_xchacha20poly1305_INONCEBYTES); $st->xorNonce($mac); # sodium_increment(STATE_COUNTER(state), # crypto_secretstream_xchacha20poly1305_COUNTERBYTES); $st->incrementCounter(); // Overwrite by reference: $state = $st->toString(); /** @var bool $rekey */ $rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0; # if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 || # sodium_is_zero(STATE_COUNTER(state), # crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) { # crypto_secretstream_xchacha20poly1305_rekey(state); # } if ($rekey || $st->needsRekey()) { // DO REKEY self::secretstream_xchacha20poly1305_rekey($state); } # if (outlen_p != NULL) { # *outlen_p = crypto_secretstream_xchacha20poly1305_ABYTES + mlen; # } return $out; } /** * @param string $state * @param string $cipher * @param string $aad * @return bool|array{0: string, 1: int} * @throws SodiumException */ public static function secretstream_xchacha20poly1305_pull(&$state, $cipher, $aad = '') { $st = ParagonIE_Sodium_Core32_SecretStream_State::fromString($state); $cipherlen = ParagonIE_Sodium_Core32_Util::strlen($cipher); # mlen = inlen - crypto_secretstream_xchacha20poly1305_ABYTES; $msglen = $cipherlen - ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES; $aadlen = ParagonIE_Sodium_Core32_Util::strlen($aad); # if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) { # sodium_misuse(); # } if ((($msglen + 63) >> 6) > 0xfffffffe) { throw new SodiumException( 'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes' ); } # crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k); # crypto_onetimeauth_poly1305_init(&poly1305_state, block); # sodium_memzero(block, sizeof block); $auth = new ParagonIE_Sodium_Core32_Poly1305_State( ParagonIE_Sodium_Core32_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey()) ); # crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen); $auth->update($aad); # crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0, # (0x10 - adlen) & 0xf); $auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf))); # memset(block, 0, sizeof block); # block[0] = in[0]; # crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block, # state->nonce, 1U, state->k); $block = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( $cipher[0] . str_repeat("\0", 63), $st->getCombinedNonce(), $st->getKey(), ParagonIE_Sodium_Core32_Util::store64_le(1) ); # tag = block[0]; # block[0] = in[0]; # crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block); $tag = ParagonIE_Sodium_Core32_Util::chrToInt($block[0]); $block[0] = $cipher[0]; $auth->update($block); # c = in + (sizeof tag); # crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen); $auth->update(ParagonIE_Sodium_Core32_Util::substr($cipher, 1, $msglen)); # crypto_onetimeauth_poly1305_update # (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf); $auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf))); # STORE64_LE(slen, (uint64_t) adlen); # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); $slen = ParagonIE_Sodium_Core32_Util::store64_le($aadlen); $auth->update($slen); # STORE64_LE(slen, (sizeof block) + mlen); # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); $slen = ParagonIE_Sodium_Core32_Util::store64_le(64 + $msglen); $auth->update($slen); # crypto_onetimeauth_poly1305_final(&poly1305_state, mac); # sodium_memzero(&poly1305_state, sizeof poly1305_state); $mac = $auth->finish(); # stored_mac = c + mlen; # if (sodium_memcmp(mac, stored_mac, sizeof mac) != 0) { # sodium_memzero(mac, sizeof mac); # return -1; # } $stored = ParagonIE_Sodium_Core32_Util::substr($cipher, $msglen + 1, 16); if (!ParagonIE_Sodium_Core32_Util::hashEquals($mac, $stored)) { return false; } # crypto_stream_chacha20_ietf_xor_ic(m, c, mlen, state->nonce, 2U, state->k); $out = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( ParagonIE_Sodium_Core32_Util::substr($cipher, 1, $msglen), $st->getCombinedNonce(), $st->getKey(), ParagonIE_Sodium_Core32_Util::store64_le(2) ); # XOR_BUF(STATE_INONCE(state), mac, # crypto_secretstream_xchacha20poly1305_INONCEBYTES); $st->xorNonce($mac); # sodium_increment(STATE_COUNTER(state), # crypto_secretstream_xchacha20poly1305_COUNTERBYTES); $st->incrementCounter(); # if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 || # sodium_is_zero(STATE_COUNTER(state), # crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) { # crypto_secretstream_xchacha20poly1305_rekey(state); # } // Overwrite by reference: $state = $st->toString(); /** @var bool $rekey */ $rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0; if ($rekey || $st->needsRekey()) { // DO REKEY self::secretstream_xchacha20poly1305_rekey($state); } return array($out, $tag); } /** * @param string $state * @return void * @throws SodiumException */ public static function secretstream_xchacha20poly1305_rekey(&$state) { $st = ParagonIE_Sodium_Core32_SecretStream_State::fromString($state); # unsigned char new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + # crypto_secretstream_xchacha20poly1305_INONCEBYTES]; # size_t i; # for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) { # new_key_and_inonce[i] = state->k[i]; # } $new_key_and_inonce = $st->getKey(); # for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) { # new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i] = # STATE_INONCE(state)[i]; # } $new_key_and_inonce .= ParagonIE_Sodium_Core32_Util::substR($st->getNonce(), 0, 8); # crypto_stream_chacha20_ietf_xor(new_key_and_inonce, new_key_and_inonce, # sizeof new_key_and_inonce, # state->nonce, state->k); $st->rekey(ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( $new_key_and_inonce, $st->getCombinedNonce(), $st->getKey(), ParagonIE_Sodium_Core32_Util::store64_le(0) )); # for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) { # state->k[i] = new_key_and_inonce[i]; # } # for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) { # STATE_INONCE(state)[i] = # new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i]; # } # _crypto_secretstream_xchacha20poly1305_counter_reset(state); $st->counterReset(); $state = $st->toString(); } /** * Detached Ed25519 signature. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $sk * @return string * @throws SodiumException * @throws TypeError */ public static function sign_detached($message, $sk) { return ParagonIE_Sodium_Core32_Ed25519::sign_detached($message, $sk); } /** * Attached Ed25519 signature. (Returns a signed message.) * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $message * @param string $sk * @return string * @throws SodiumException * @throws TypeError */ public static function sign($message, $sk) { return ParagonIE_Sodium_Core32_Ed25519::sign($message, $sk); } /** * Opens a signed message. If valid, returns the message. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $signedMessage * @param string $pk * @return string * @throws SodiumException * @throws TypeError */ public static function sign_open($signedMessage, $pk) { return ParagonIE_Sodium_Core32_Ed25519::sign_open($signedMessage, $pk); } /** * Verify a detached signature of a given message and public key. * * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. * * @param string $signature * @param string $message * @param string $pk * @return bool * @throws SodiumException * @throws TypeError */ public static function sign_verify_detached($signature, $message, $pk) { return ParagonIE_Sodium_Core32_Ed25519::verify_detached($signature, $message, $pk); } } Core32/SecretStream/State.php 0000644 00000007110 14717743076 0012012 0 ustar 00 <?php /** * Class ParagonIE_Sodium_Core32_SecretStream_State */ class ParagonIE_Sodium_Core32_SecretStream_State { /** @var string $key */ protected $key; /** @var int $counter */ protected $counter; /** @var string $nonce */ protected $nonce; /** @var string $_pad */ protected $_pad; /** * ParagonIE_Sodium_Core32_SecretStream_State constructor. * @param string $key * @param string|null $nonce */ public function __construct($key, $nonce = null) { $this->key = $key; $this->counter = 1; if (is_null($nonce)) { $nonce = str_repeat("\0", 12); } $this->nonce = str_pad($nonce, 12, "\0", STR_PAD_RIGHT);; $this->_pad = str_repeat("\0", 4); } /** * @return self */ public function counterReset() { $this->counter = 1; $this->_pad = str_repeat("\0", 4); return $this; } /** * @return string */ public function getKey() { return $this->key; } /** * @return string */ public function getCounter() { return ParagonIE_Sodium_Core32_Util::store32_le($this->counter); } /** * @return string */ public function getNonce() { if (!is_string($this->nonce)) { $this->nonce = str_repeat("\0", 12); } if (ParagonIE_Sodium_Core32_Util::strlen($this->nonce) !== 12) { $this->nonce = str_pad($this->nonce, 12, "\0", STR_PAD_RIGHT); } return $this->nonce; } /** * @return string */ public function getCombinedNonce() { return $this->getCounter() . ParagonIE_Sodium_Core32_Util::substr($this->getNonce(), 0, 8); } /** * @return self */ public function incrementCounter() { ++$this->counter; return $this; } /** * @return bool */ public function needsRekey() { return ($this->counter & 0xffff) === 0; } /** * @param string $newKeyAndNonce * @return self */ public function rekey($newKeyAndNonce) { $this->key = ParagonIE_Sodium_Core32_Util::substr($newKeyAndNonce, 0, 32); $this->nonce = str_pad( ParagonIE_Sodium_Core32_Util::substr($newKeyAndNonce, 32), 12, "\0", STR_PAD_RIGHT ); return $this; } /** * @param string $str * @return self */ public function xorNonce($str) { $this->nonce = ParagonIE_Sodium_Core32_Util::xorStrings( $this->getNonce(), str_pad( ParagonIE_Sodium_Core32_Util::substr($str, 0, 8), 12, "\0", STR_PAD_RIGHT ) ); return $this; } /** * @param string $string * @return self */ public static function fromString($string) { $state = new ParagonIE_Sodium_Core32_SecretStream_State( ParagonIE_Sodium_Core32_Util::substr($string, 0, 32) ); $state->counter = ParagonIE_Sodium_Core32_Util::load_4( ParagonIE_Sodium_Core32_Util::substr($string, 32, 4) ); $state->nonce = ParagonIE_Sodium_Core32_Util::substr($string, 36, 12); $state->_pad = ParagonIE_Sodium_Core32_Util::substr($string, 48, 8); return $state; } /** * @return string */ public function toString() { return $this->key . $this->getCounter() . $this->nonce . $this->_pad; } } Core32/BLAKE2b.php 0000644 00000053464 14717743076 0007410 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_BLAKE2b', false)) { return; } /** * Class ParagonIE_Sodium_Core_BLAKE2b * * Based on the work of Devi Mandiri in devi/salt. */ abstract class ParagonIE_Sodium_Core32_BLAKE2b extends ParagonIE_Sodium_Core_Util { /** * @var SplFixedArray */ public static $iv; /** * @var array<int, array<int, int>> */ public static $sigma = array( array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3), array( 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4), array( 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8), array( 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13), array( 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9), array( 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11), array( 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10), array( 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5), array( 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0), array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3) ); const BLOCKBYTES = 128; const OUTBYTES = 64; const KEYBYTES = 64; /** * Turn two 32-bit integers into a fixed array representing a 64-bit integer. * * @internal You should not use this directly from another application * * @param int $high * @param int $low * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError */ public static function new64($high, $low) { return ParagonIE_Sodium_Core32_Int64::fromInts($low, $high); } /** * Convert an arbitrary number into an SplFixedArray of two 32-bit integers * that represents a 64-bit integer. * * @internal You should not use this directly from another application * * @param int $num * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError */ protected static function to64($num) { list($hi, $lo) = self::numericTo64BitInteger($num); return self::new64($hi, $lo); } /** * Adds two 64-bit integers together, returning their sum as a SplFixedArray * containing two 32-bit integers (representing a 64-bit integer). * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Int64 $x * @param ParagonIE_Sodium_Core32_Int64 $y * @return ParagonIE_Sodium_Core32_Int64 */ protected static function add64($x, $y) { return $x->addInt64($y); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Int64 $x * @param ParagonIE_Sodium_Core32_Int64 $y * @param ParagonIE_Sodium_Core32_Int64 $z * @return ParagonIE_Sodium_Core32_Int64 */ public static function add364($x, $y, $z) { return $x->addInt64($y)->addInt64($z); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Int64 $x * @param ParagonIE_Sodium_Core32_Int64 $y * @return ParagonIE_Sodium_Core32_Int64 * @throws TypeError */ public static function xor64(ParagonIE_Sodium_Core32_Int64 $x, ParagonIE_Sodium_Core32_Int64 $y) { return $x->xorInt64($y); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Int64 $x * @param int $c * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError */ public static function rotr64(ParagonIE_Sodium_Core32_Int64 $x, $c) { return $x->rotateRight($c); } /** * @internal You should not use this directly from another application * * @param SplFixedArray $x * @param int $i * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError */ public static function load64($x, $i) { /** @var int $l */ $l = (int) ($x[$i]) | ((int) ($x[$i+1]) << 8) | ((int) ($x[$i+2]) << 16) | ((int) ($x[$i+3]) << 24); /** @var int $h */ $h = (int) ($x[$i+4]) | ((int) ($x[$i+5]) << 8) | ((int) ($x[$i+6]) << 16) | ((int) ($x[$i+7]) << 24); return self::new64($h, $l); } /** * @internal You should not use this directly from another application * * @param SplFixedArray $x * @param int $i * @param ParagonIE_Sodium_Core32_Int64 $u * @return void * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedAssignment * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedArrayOffset */ public static function store64(SplFixedArray $x, $i, ParagonIE_Sodium_Core32_Int64 $u) { $v = clone $u; $maxLength = $x->getSize() - 1; for ($j = 0; $j < 8; ++$j) { $k = 3 - ($j >> 1); $x[$i] = $v->limbs[$k] & 0xff; if (++$i > $maxLength) { return; } $v->limbs[$k] >>= 8; } } /** * This just sets the $iv static variable. * * @internal You should not use this directly from another application * * @return void * @throws SodiumException * @throws TypeError */ public static function pseudoConstructor() { static $called = false; if ($called) { return; } self::$iv = new SplFixedArray(8); self::$iv[0] = self::new64(0x6a09e667, 0xf3bcc908); self::$iv[1] = self::new64(0xbb67ae85, 0x84caa73b); self::$iv[2] = self::new64(0x3c6ef372, 0xfe94f82b); self::$iv[3] = self::new64(0xa54ff53a, 0x5f1d36f1); self::$iv[4] = self::new64(0x510e527f, 0xade682d1); self::$iv[5] = self::new64(0x9b05688c, 0x2b3e6c1f); self::$iv[6] = self::new64(0x1f83d9ab, 0xfb41bd6b); self::$iv[7] = self::new64(0x5be0cd19, 0x137e2179); $called = true; } /** * Returns a fresh BLAKE2 context. * * @internal You should not use this directly from another application * * @return SplFixedArray * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedAssignment * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedArrayOffset * @throws SodiumException * @throws TypeError */ protected static function context() { $ctx = new SplFixedArray(6); $ctx[0] = new SplFixedArray(8); // h $ctx[1] = new SplFixedArray(2); // t $ctx[2] = new SplFixedArray(2); // f $ctx[3] = new SplFixedArray(256); // buf $ctx[4] = 0; // buflen $ctx[5] = 0; // last_node (uint8_t) for ($i = 8; $i--;) { $ctx[0][$i] = self::$iv[$i]; } for ($i = 256; $i--;) { $ctx[3][$i] = 0; } $zero = self::new64(0, 0); $ctx[1][0] = $zero; $ctx[1][1] = $zero; $ctx[2][0] = $zero; $ctx[2][1] = $zero; return $ctx; } /** * @internal You should not use this directly from another application * * @param SplFixedArray $ctx * @param SplFixedArray $buf * @return void * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedAssignment */ protected static function compress(SplFixedArray $ctx, SplFixedArray $buf) { $m = new SplFixedArray(16); $v = new SplFixedArray(16); for ($i = 16; $i--;) { $m[$i] = self::load64($buf, $i << 3); } for ($i = 8; $i--;) { $v[$i] = $ctx[0][$i]; } $v[ 8] = self::$iv[0]; $v[ 9] = self::$iv[1]; $v[10] = self::$iv[2]; $v[11] = self::$iv[3]; $v[12] = self::xor64($ctx[1][0], self::$iv[4]); $v[13] = self::xor64($ctx[1][1], self::$iv[5]); $v[14] = self::xor64($ctx[2][0], self::$iv[6]); $v[15] = self::xor64($ctx[2][1], self::$iv[7]); for ($r = 0; $r < 12; ++$r) { $v = self::G($r, 0, 0, 4, 8, 12, $v, $m); $v = self::G($r, 1, 1, 5, 9, 13, $v, $m); $v = self::G($r, 2, 2, 6, 10, 14, $v, $m); $v = self::G($r, 3, 3, 7, 11, 15, $v, $m); $v = self::G($r, 4, 0, 5, 10, 15, $v, $m); $v = self::G($r, 5, 1, 6, 11, 12, $v, $m); $v = self::G($r, 6, 2, 7, 8, 13, $v, $m); $v = self::G($r, 7, 3, 4, 9, 14, $v, $m); } for ($i = 8; $i--;) { $ctx[0][$i] = self::xor64( $ctx[0][$i], self::xor64($v[$i], $v[$i+8]) ); } } /** * @internal You should not use this directly from another application * * @param int $r * @param int $i * @param int $a * @param int $b * @param int $c * @param int $d * @param SplFixedArray $v * @param SplFixedArray $m * @return SplFixedArray * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedArrayOffset */ public static function G($r, $i, $a, $b, $c, $d, SplFixedArray $v, SplFixedArray $m) { $v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][$i << 1]]); $v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 32); $v[$c] = self::add64($v[$c], $v[$d]); $v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 24); $v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][($i << 1) + 1]]); $v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 16); $v[$c] = self::add64($v[$c], $v[$d]); $v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 63); return $v; } /** * @internal You should not use this directly from another application * * @param SplFixedArray $ctx * @param int $inc * @return void * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment */ public static function increment_counter($ctx, $inc) { if ($inc < 0) { throw new SodiumException('Increasing by a negative number makes no sense.'); } $t = self::to64($inc); # S->t is $ctx[1] in our implementation # S->t[0] = ( uint64_t )( t >> 0 ); $ctx[1][0] = self::add64($ctx[1][0], $t); # S->t[1] += ( S->t[0] < inc ); if (!($ctx[1][0] instanceof ParagonIE_Sodium_Core32_Int64)) { throw new TypeError('Not an int64'); } /** @var ParagonIE_Sodium_Core32_Int64 $c*/ $c = $ctx[1][0]; if ($c->isLessThanInt($inc)) { $ctx[1][1] = self::add64($ctx[1][1], self::to64(1)); } } /** * @internal You should not use this directly from another application * * @param SplFixedArray $ctx * @param SplFixedArray $p * @param int $plen * @return void * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedAssignment * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedArrayOffset * @psalm-suppress MixedMethodCall * @psalm-suppress MixedOperand */ public static function update(SplFixedArray $ctx, SplFixedArray $p, $plen) { self::pseudoConstructor(); $offset = 0; while ($plen > 0) { $left = $ctx[4]; $fill = 256 - $left; if ($plen > $fill) { # memcpy( S->buf + left, in, fill ); /* Fill buffer */ for ($i = $fill; $i--;) { $ctx[3][$i + $left] = $p[$i + $offset]; } # S->buflen += fill; $ctx[4] += $fill; # blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES ); self::increment_counter($ctx, 128); # blake2b_compress( S, S->buf ); /* Compress */ self::compress($ctx, $ctx[3]); # memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); /* Shift buffer left */ for ($i = 128; $i--;) { $ctx[3][$i] = $ctx[3][$i + 128]; } # S->buflen -= BLAKE2B_BLOCKBYTES; $ctx[4] -= 128; # in += fill; $offset += $fill; # inlen -= fill; $plen -= $fill; } else { for ($i = $plen; $i--;) { $ctx[3][$i + $left] = $p[$i + $offset]; } $ctx[4] += $plen; $offset += $plen; $plen -= $plen; } } } /** * @internal You should not use this directly from another application * * @param SplFixedArray $ctx * @param SplFixedArray $out * @return SplFixedArray * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedAssignment * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedArrayOffset * @psalm-suppress MixedMethodCall * @psalm-suppress MixedOperand */ public static function finish(SplFixedArray $ctx, SplFixedArray $out) { self::pseudoConstructor(); if ($ctx[4] > 128) { self::increment_counter($ctx, 128); self::compress($ctx, $ctx[3]); $ctx[4] -= 128; if ($ctx[4] > 128) { throw new SodiumException('Failed to assert that buflen <= 128 bytes'); } for ($i = $ctx[4]; $i--;) { $ctx[3][$i] = $ctx[3][$i + 128]; } } self::increment_counter($ctx, $ctx[4]); $ctx[2][0] = self::new64(0xffffffff, 0xffffffff); for ($i = 256 - $ctx[4]; $i--;) { /** @var int $i */ $ctx[3][$i + $ctx[4]] = 0; } self::compress($ctx, $ctx[3]); $i = (int) (($out->getSize() - 1) / 8); for (; $i >= 0; --$i) { self::store64($out, $i << 3, $ctx[0][$i]); } return $out; } /** * @internal You should not use this directly from another application * * @param SplFixedArray|null $key * @param int $outlen * @param SplFixedArray|null $salt * @param SplFixedArray|null $personal * @return SplFixedArray * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedAssignment * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedMethodCall */ public static function init( $key = null, $outlen = 64, $salt = null, $personal = null ) { self::pseudoConstructor(); $klen = 0; if ($key !== null) { if (count($key) > 64) { throw new SodiumException('Invalid key size'); } $klen = count($key); } if ($outlen > 64) { throw new SodiumException('Invalid output size'); } $ctx = self::context(); $p = new SplFixedArray(64); // Zero our param buffer... for ($i = 64; --$i;) { $p[$i] = 0; } $p[0] = $outlen; // digest_length $p[1] = $klen; // key_length $p[2] = 1; // fanout $p[3] = 1; // depth if ($salt instanceof SplFixedArray) { // salt: [32] through [47] for ($i = 0; $i < 16; ++$i) { $p[32 + $i] = (int) $salt[$i]; } } if ($personal instanceof SplFixedArray) { // personal: [48] through [63] for ($i = 0; $i < 16; ++$i) { $p[48 + $i] = (int) $personal[$i]; } } $ctx[0][0] = self::xor64( $ctx[0][0], self::load64($p, 0) ); if ($salt instanceof SplFixedArray || $personal instanceof SplFixedArray) { // We need to do what blake2b_init_param() does: for ($i = 1; $i < 8; ++$i) { $ctx[0][$i] = self::xor64( $ctx[0][$i], self::load64($p, $i << 3) ); } } if ($klen > 0 && $key instanceof SplFixedArray) { $block = new SplFixedArray(128); for ($i = 128; $i--;) { $block[$i] = 0; } for ($i = $klen; $i--;) { $block[$i] = $key[$i]; } self::update($ctx, $block, 128); $ctx[4] = 128; } return $ctx; } /** * Convert a string into an SplFixedArray of integers * * @internal You should not use this directly from another application * * @param string $str * @return SplFixedArray * @psalm-suppress MixedArgumentTypeCoercion */ public static function stringToSplFixedArray($str = '') { $values = unpack('C*', $str); return SplFixedArray::fromArray(array_values($values)); } /** * Convert an SplFixedArray of integers into a string * * @internal You should not use this directly from another application * * @param SplFixedArray $a * @return string */ public static function SplFixedArrayToString(SplFixedArray $a) { /** * @var array<int, string|int> */ $arr = $a->toArray(); $c = $a->count(); array_unshift($arr, str_repeat('C', $c)); return (string) (call_user_func_array('pack', $arr)); } /** * @internal You should not use this directly from another application * * @param SplFixedArray $ctx * @return string * @throws TypeError * @psalm-suppress MixedArgument * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment * @psalm-suppress MixedMethodCall */ public static function contextToString(SplFixedArray $ctx) { $str = ''; /** @var array<int, ParagonIE_Sodium_Core32_Int64> $ctxA */ $ctxA = $ctx[0]->toArray(); # uint64_t h[8]; for ($i = 0; $i < 8; ++$i) { if (!($ctxA[$i] instanceof ParagonIE_Sodium_Core32_Int64)) { throw new TypeError('Not an instance of Int64'); } /** @var ParagonIE_Sodium_Core32_Int64 $ctxAi */ $ctxAi = $ctxA[$i]; $str .= $ctxAi->toReverseString(); } # uint64_t t[2]; # uint64_t f[2]; for ($i = 1; $i < 3; ++$i) { /** @var array<int, ParagonIE_Sodium_Core32_Int64> $ctxA */ $ctxA = $ctx[$i]->toArray(); /** @var ParagonIE_Sodium_Core32_Int64 $ctxA1 */ $ctxA1 = $ctxA[0]; /** @var ParagonIE_Sodium_Core32_Int64 $ctxA2 */ $ctxA2 = $ctxA[1]; $str .= $ctxA1->toReverseString(); $str .= $ctxA2->toReverseString(); } # uint8_t buf[2 * 128]; $str .= self::SplFixedArrayToString($ctx[3]); /** @var int $ctx4 */ $ctx4 = $ctx[4]; # size_t buflen; $str .= implode('', array( self::intToChr($ctx4 & 0xff), self::intToChr(($ctx4 >> 8) & 0xff), self::intToChr(($ctx4 >> 16) & 0xff), self::intToChr(($ctx4 >> 24) & 0xff), "\x00\x00\x00\x00" /* self::intToChr(($ctx4 >> 32) & 0xff), self::intToChr(($ctx4 >> 40) & 0xff), self::intToChr(($ctx4 >> 48) & 0xff), self::intToChr(($ctx4 >> 56) & 0xff) */ )); # uint8_t last_node; return $str . self::intToChr($ctx[5]) . str_repeat("\x00", 23); } /** * Creates an SplFixedArray containing other SplFixedArray elements, from * a string (compatible with \Sodium\crypto_generichash_{init, update, final}) * * @internal You should not use this directly from another application * * @param string $string * @return SplFixedArray * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayAssignment */ public static function stringToContext($string) { $ctx = self::context(); # uint64_t h[8]; for ($i = 0; $i < 8; ++$i) { $ctx[0][$i] = ParagonIE_Sodium_Core32_Int64::fromReverseString( self::substr($string, (($i << 3) + 0), 8) ); } # uint64_t t[2]; # uint64_t f[2]; for ($i = 1; $i < 3; ++$i) { $ctx[$i][1] = ParagonIE_Sodium_Core32_Int64::fromReverseString( self::substr($string, 72 + (($i - 1) << 4), 8) ); $ctx[$i][0] = ParagonIE_Sodium_Core32_Int64::fromReverseString( self::substr($string, 64 + (($i - 1) << 4), 8) ); } # uint8_t buf[2 * 128]; $ctx[3] = self::stringToSplFixedArray(self::substr($string, 96, 256)); # uint8_t buf[2 * 128]; $int = 0; for ($i = 0; $i < 8; ++$i) { $int |= self::chrToInt($string[352 + $i]) << ($i << 3); } $ctx[4] = $int; return $ctx; } } Core32/ChaCha20/Ctx.php 0000644 00000011450 14717743076 0010342 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_ChaCha20_Ctx', false)) { return; } /** * Class ParagonIE_Sodium_Core32_ChaCha20_Ctx */ class ParagonIE_Sodium_Core32_ChaCha20_Ctx extends ParagonIE_Sodium_Core32_Util implements ArrayAccess { /** * @var SplFixedArray internally, <int, ParagonIE_Sodium_Core32_Int32> */ protected $container; /** * ParagonIE_Sodium_Core_ChaCha20_Ctx constructor. * * @internal You should not use this directly from another application * * @param string $key ChaCha20 key. * @param string $iv Initialization Vector (a.k.a. nonce). * @param string $counter The initial counter value. * Defaults to 8 0x00 bytes. * @throws InvalidArgumentException * @throws SodiumException * @throws TypeError */ public function __construct($key = '', $iv = '', $counter = '') { if (self::strlen($key) !== 32) { throw new InvalidArgumentException('ChaCha20 expects a 256-bit key.'); } if (self::strlen($iv) !== 8) { throw new InvalidArgumentException('ChaCha20 expects a 64-bit nonce.'); } $this->container = new SplFixedArray(16); /* "expand 32-byte k" as per ChaCha20 spec */ $this->container[0] = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865)); $this->container[1] = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e)); $this->container[2] = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32)); $this->container[3] = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574)); $this->container[4] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4)); $this->container[5] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 4, 4)); $this->container[6] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 8, 4)); $this->container[7] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4)); $this->container[8] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4)); $this->container[9] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4)); $this->container[10] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4)); $this->container[11] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4)); if (empty($counter)) { $this->container[12] = new ParagonIE_Sodium_Core32_Int32(); $this->container[13] = new ParagonIE_Sodium_Core32_Int32(); } else { $this->container[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 0, 4)); $this->container[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 4, 4)); } $this->container[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 0, 4)); $this->container[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 4, 4)); } /** * @internal You should not use this directly from another application * * @param int $offset * @param int|ParagonIE_Sodium_Core32_Int32 $value * @return void */ #[ReturnTypeWillChange] public function offsetSet($offset, $value) { if (!is_int($offset)) { throw new InvalidArgumentException('Expected an integer'); } if ($value instanceof ParagonIE_Sodium_Core32_Int32) { /* } elseif (is_int($value)) { $value = ParagonIE_Sodium_Core32_Int32::fromInt($value); */ } else { throw new InvalidArgumentException('Expected an integer'); } $this->container[$offset] = $value; } /** * @internal You should not use this directly from another application * * @param int $offset * @return bool * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetExists($offset) { return isset($this->container[$offset]); } /** * @internal You should not use this directly from another application * * @param int $offset * @return void * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetUnset($offset) { unset($this->container[$offset]); } /** * @internal You should not use this directly from another application * * @param int $offset * @return mixed|null * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetGet($offset) { return isset($this->container[$offset]) ? $this->container[$offset] : null; } } Core32/ChaCha20/IetfCtx.php 0000644 00000002737 14717743076 0011162 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core_ChaCha20_IetfCtx', false)) { return; } /** * Class ParagonIE_Sodium_Core32_ChaCha20_IetfCtx */ class ParagonIE_Sodium_Core32_ChaCha20_IetfCtx extends ParagonIE_Sodium_Core32_ChaCha20_Ctx { /** * ParagonIE_Sodium_Core_ChaCha20_IetfCtx constructor. * * @internal You should not use this directly from another application * * @param string $key ChaCha20 key. * @param string $iv Initialization Vector (a.k.a. nonce). * @param string $counter The initial counter value. * Defaults to 4 0x00 bytes. * @throws InvalidArgumentException * @throws SodiumException * @throws TypeError */ public function __construct($key = '', $iv = '', $counter = '') { if (self::strlen($iv) !== 12) { throw new InvalidArgumentException('ChaCha20 expects a 96-bit nonce in IETF mode.'); } parent::__construct($key, self::substr($iv, 0, 8), $counter); if (!empty($counter)) { $this->container[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 0, 4)); } $this->container[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 0, 4)); $this->container[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 4, 4)); $this->container[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 8, 4)); } } Core32/X25519.php 0000644 00000025442 14717743076 0007156 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_X25519', false)) { return; } /** * Class ParagonIE_Sodium_Core32_X25519 */ abstract class ParagonIE_Sodium_Core32_X25519 extends ParagonIE_Sodium_Core32_Curve25519 { /** * Alters the objects passed to this method in place. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g * @param int $b * @return void * @throws SodiumException * @throws TypeError * @psalm-suppress MixedMethodCall */ public static function fe_cswap( ParagonIE_Sodium_Core32_Curve25519_Fe $f, ParagonIE_Sodium_Core32_Curve25519_Fe $g, $b = 0 ) { $f0 = (int) $f[0]->toInt(); $f1 = (int) $f[1]->toInt(); $f2 = (int) $f[2]->toInt(); $f3 = (int) $f[3]->toInt(); $f4 = (int) $f[4]->toInt(); $f5 = (int) $f[5]->toInt(); $f6 = (int) $f[6]->toInt(); $f7 = (int) $f[7]->toInt(); $f8 = (int) $f[8]->toInt(); $f9 = (int) $f[9]->toInt(); $g0 = (int) $g[0]->toInt(); $g1 = (int) $g[1]->toInt(); $g2 = (int) $g[2]->toInt(); $g3 = (int) $g[3]->toInt(); $g4 = (int) $g[4]->toInt(); $g5 = (int) $g[5]->toInt(); $g6 = (int) $g[6]->toInt(); $g7 = (int) $g[7]->toInt(); $g8 = (int) $g[8]->toInt(); $g9 = (int) $g[9]->toInt(); $b = -$b; /** @var int $x0 */ $x0 = ($f0 ^ $g0) & $b; /** @var int $x1 */ $x1 = ($f1 ^ $g1) & $b; /** @var int $x2 */ $x2 = ($f2 ^ $g2) & $b; /** @var int $x3 */ $x3 = ($f3 ^ $g3) & $b; /** @var int $x4 */ $x4 = ($f4 ^ $g4) & $b; /** @var int $x5 */ $x5 = ($f5 ^ $g5) & $b; /** @var int $x6 */ $x6 = ($f6 ^ $g6) & $b; /** @var int $x7 */ $x7 = ($f7 ^ $g7) & $b; /** @var int $x8 */ $x8 = ($f8 ^ $g8) & $b; /** @var int $x9 */ $x9 = ($f9 ^ $g9) & $b; $f[0] = ParagonIE_Sodium_Core32_Int32::fromInt($f0 ^ $x0); $f[1] = ParagonIE_Sodium_Core32_Int32::fromInt($f1 ^ $x1); $f[2] = ParagonIE_Sodium_Core32_Int32::fromInt($f2 ^ $x2); $f[3] = ParagonIE_Sodium_Core32_Int32::fromInt($f3 ^ $x3); $f[4] = ParagonIE_Sodium_Core32_Int32::fromInt($f4 ^ $x4); $f[5] = ParagonIE_Sodium_Core32_Int32::fromInt($f5 ^ $x5); $f[6] = ParagonIE_Sodium_Core32_Int32::fromInt($f6 ^ $x6); $f[7] = ParagonIE_Sodium_Core32_Int32::fromInt($f7 ^ $x7); $f[8] = ParagonIE_Sodium_Core32_Int32::fromInt($f8 ^ $x8); $f[9] = ParagonIE_Sodium_Core32_Int32::fromInt($f9 ^ $x9); $g[0] = ParagonIE_Sodium_Core32_Int32::fromInt($g0 ^ $x0); $g[1] = ParagonIE_Sodium_Core32_Int32::fromInt($g1 ^ $x1); $g[2] = ParagonIE_Sodium_Core32_Int32::fromInt($g2 ^ $x2); $g[3] = ParagonIE_Sodium_Core32_Int32::fromInt($g3 ^ $x3); $g[4] = ParagonIE_Sodium_Core32_Int32::fromInt($g4 ^ $x4); $g[5] = ParagonIE_Sodium_Core32_Int32::fromInt($g5 ^ $x5); $g[6] = ParagonIE_Sodium_Core32_Int32::fromInt($g6 ^ $x6); $g[7] = ParagonIE_Sodium_Core32_Int32::fromInt($g7 ^ $x7); $g[8] = ParagonIE_Sodium_Core32_Int32::fromInt($g8 ^ $x8); $g[9] = ParagonIE_Sodium_Core32_Int32::fromInt($g9 ^ $x9); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError * @psalm-suppress MixedAssignment * @psalm-suppress MixedMethodCall */ public static function fe_mul121666(ParagonIE_Sodium_Core32_Curve25519_Fe $f) { /** @var array<int, ParagonIE_Sodium_Core32_Int64> $h */ $h = array(); for ($i = 0; $i < 10; ++$i) { $h[$i] = $f[$i]->toInt64()->mulInt(121666, 17); } $carry9 = $h[9]->addInt(1 << 24)->shiftRight(25); $h[0] = $h[0]->addInt64($carry9->mulInt(19, 5)); $h[9] = $h[9]->subInt64($carry9->shiftLeft(25)); $carry1 = $h[1]->addInt(1 << 24)->shiftRight(25); $h[2] = $h[2]->addInt64($carry1); $h[1] = $h[1]->subInt64($carry1->shiftLeft(25)); $carry3 = $h[3]->addInt(1 << 24)->shiftRight(25); $h[4] = $h[4]->addInt64($carry3); $h[3] = $h[3]->subInt64($carry3->shiftLeft(25)); $carry5 = $h[5]->addInt(1 << 24)->shiftRight(25); $h[6] = $h[6]->addInt64($carry5); $h[5] = $h[5]->subInt64($carry5->shiftLeft(25)); $carry7 = $h[7]->addInt(1 << 24)->shiftRight(25); $h[8] = $h[8]->addInt64($carry7); $h[7] = $h[7]->subInt64($carry7->shiftLeft(25)); $carry0 = $h[0]->addInt(1 << 25)->shiftRight(26); $h[1] = $h[1]->addInt64($carry0); $h[0] = $h[0]->subInt64($carry0->shiftLeft(26)); $carry2 = $h[2]->addInt(1 << 25)->shiftRight(26); $h[3] = $h[3]->addInt64($carry2); $h[2] = $h[2]->subInt64($carry2->shiftLeft(26)); $carry4 = $h[4]->addInt(1 << 25)->shiftRight(26); $h[5] = $h[5]->addInt64($carry4); $h[4] = $h[4]->subInt64($carry4->shiftLeft(26)); $carry6 = $h[6]->addInt(1 << 25)->shiftRight(26); $h[7] = $h[7]->addInt64($carry6); $h[6] = $h[6]->subInt64($carry6->shiftLeft(26)); $carry8 = $h[8]->addInt(1 << 25)->shiftRight(26); $h[9] = $h[9]->addInt64($carry8); $h[8] = $h[8]->subInt64($carry8->shiftLeft(26)); for ($i = 0; $i < 10; ++$i) { $h[$i] = $h[$i]->toInt32(); } /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h2 */ $h2 = $h; return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($h2); } /** * @internal You should not use this directly from another application * * Inline comments preceded by # are from libsodium's ref10 code. * * @param string $n * @param string $p * @return string * @throws SodiumException * @throws TypeError */ public static function crypto_scalarmult_curve25519_ref10($n, $p) { # for (i = 0;i < 32;++i) e[i] = n[i]; $e = '' . $n; # e[0] &= 248; $e[0] = self::intToChr( self::chrToInt($e[0]) & 248 ); # e[31] &= 127; # e[31] |= 64; $e[31] = self::intToChr( (self::chrToInt($e[31]) & 127) | 64 ); # fe_frombytes(x1,p); $x1 = self::fe_frombytes($p); # fe_1(x2); $x2 = self::fe_1(); # fe_0(z2); $z2 = self::fe_0(); # fe_copy(x3,x1); $x3 = self::fe_copy($x1); # fe_1(z3); $z3 = self::fe_1(); # swap = 0; /** @var int $swap */ $swap = 0; # for (pos = 254;pos >= 0;--pos) { for ($pos = 254; $pos >= 0; --$pos) { # b = e[pos / 8] >> (pos & 7); /** @var int $b */ $b = self::chrToInt( $e[(int) floor($pos / 8)] ) >> ($pos & 7); # b &= 1; $b &= 1; # swap ^= b; $swap ^= $b; # fe_cswap(x2,x3,swap); self::fe_cswap($x2, $x3, $swap); # fe_cswap(z2,z3,swap); self::fe_cswap($z2, $z3, $swap); # swap = b; /** @var int $swap */ $swap = $b; # fe_sub(tmp0,x3,z3); $tmp0 = self::fe_sub($x3, $z3); # fe_sub(tmp1,x2,z2); $tmp1 = self::fe_sub($x2, $z2); # fe_add(x2,x2,z2); $x2 = self::fe_add($x2, $z2); # fe_add(z2,x3,z3); $z2 = self::fe_add($x3, $z3); # fe_mul(z3,tmp0,x2); $z3 = self::fe_mul($tmp0, $x2); # fe_mul(z2,z2,tmp1); $z2 = self::fe_mul($z2, $tmp1); # fe_sq(tmp0,tmp1); $tmp0 = self::fe_sq($tmp1); # fe_sq(tmp1,x2); $tmp1 = self::fe_sq($x2); # fe_add(x3,z3,z2); $x3 = self::fe_add($z3, $z2); # fe_sub(z2,z3,z2); $z2 = self::fe_sub($z3, $z2); # fe_mul(x2,tmp1,tmp0); $x2 = self::fe_mul($tmp1, $tmp0); # fe_sub(tmp1,tmp1,tmp0); $tmp1 = self::fe_sub($tmp1, $tmp0); # fe_sq(z2,z2); $z2 = self::fe_sq($z2); # fe_mul121666(z3,tmp1); $z3 = self::fe_mul121666($tmp1); # fe_sq(x3,x3); $x3 = self::fe_sq($x3); # fe_add(tmp0,tmp0,z3); $tmp0 = self::fe_add($tmp0, $z3); # fe_mul(z3,x1,z2); $z3 = self::fe_mul($x1, $z2); # fe_mul(z2,tmp1,tmp0); $z2 = self::fe_mul($tmp1, $tmp0); } # fe_cswap(x2,x3,swap); self::fe_cswap($x2, $x3, $swap); # fe_cswap(z2,z3,swap); self::fe_cswap($z2, $z3, $swap); # fe_invert(z2,z2); $z2 = self::fe_invert($z2); # fe_mul(x2,x2,z2); $x2 = self::fe_mul($x2, $z2); # fe_tobytes(q,x2); return (string) self::fe_tobytes($x2); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsY * @param ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsZ * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError */ public static function edwards_to_montgomery( ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsY, ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsZ ) { $tempX = self::fe_add($edwardsZ, $edwardsY); $tempZ = self::fe_sub($edwardsZ, $edwardsY); $tempZ = self::fe_invert($tempZ); return self::fe_mul($tempX, $tempZ); } /** * @internal You should not use this directly from another application * * @param string $n * @return string * @throws SodiumException * @throws TypeError */ public static function crypto_scalarmult_curve25519_ref10_base($n) { # for (i = 0;i < 32;++i) e[i] = n[i]; $e = '' . $n; # e[0] &= 248; $e[0] = self::intToChr( self::chrToInt($e[0]) & 248 ); # e[31] &= 127; # e[31] |= 64; $e[31] = self::intToChr( (self::chrToInt($e[31]) & 127) | 64 ); $A = self::ge_scalarmult_base($e); if ( !($A->Y instanceof ParagonIE_Sodium_Core32_Curve25519_Fe) || !($A->Z instanceof ParagonIE_Sodium_Core32_Curve25519_Fe) ) { throw new TypeError('Null points encountered'); } $pk = self::edwards_to_montgomery($A->Y, $A->Z); return self::fe_tobytes($pk); } } Core32/XSalsa20.php 0000644 00000002543 14717743076 0007673 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_XSalsa20', false)) { return; } /** * Class ParagonIE_Sodium_Core32_XSalsa20 */ abstract class ParagonIE_Sodium_Core32_XSalsa20 extends ParagonIE_Sodium_Core32_HSalsa20 { /** * Expand a key and nonce into an xsalsa20 keystream. * * @internal You should not use this directly from another application * * @param int $len * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function xsalsa20($len, $nonce, $key) { $ret = self::salsa20( $len, self::substr($nonce, 16, 8), self::hsalsa20($nonce, $key) ); return $ret; } /** * Encrypt a string with XSalsa20. Doesn't provide integrity. * * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function xsalsa20_xor($message, $nonce, $key) { return self::xorStrings( $message, self::xsalsa20( self::strlen($message), $nonce, $key ) ); } } Core32/Salsa20.php 0000644 00000026362 14717743076 0007550 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Salsa20', false)) { return; } /** * Class ParagonIE_Sodium_Core32_Salsa20 */ abstract class ParagonIE_Sodium_Core32_Salsa20 extends ParagonIE_Sodium_Core32_Util { const ROUNDS = 20; /** * Calculate an salsa20 hash of a single block * * @internal You should not use this directly from another application * * @param string $in * @param string $k * @param string|null $c * @return string * @throws SodiumException * @throws TypeError */ public static function core_salsa20($in, $k, $c = null) { /** * @var ParagonIE_Sodium_Core32_Int32 $x0 * @var ParagonIE_Sodium_Core32_Int32 $x1 * @var ParagonIE_Sodium_Core32_Int32 $x2 * @var ParagonIE_Sodium_Core32_Int32 $x3 * @var ParagonIE_Sodium_Core32_Int32 $x4 * @var ParagonIE_Sodium_Core32_Int32 $x5 * @var ParagonIE_Sodium_Core32_Int32 $x6 * @var ParagonIE_Sodium_Core32_Int32 $x7 * @var ParagonIE_Sodium_Core32_Int32 $x8 * @var ParagonIE_Sodium_Core32_Int32 $x9 * @var ParagonIE_Sodium_Core32_Int32 $x10 * @var ParagonIE_Sodium_Core32_Int32 $x11 * @var ParagonIE_Sodium_Core32_Int32 $x12 * @var ParagonIE_Sodium_Core32_Int32 $x13 * @var ParagonIE_Sodium_Core32_Int32 $x14 * @var ParagonIE_Sodium_Core32_Int32 $x15 * @var ParagonIE_Sodium_Core32_Int32 $j0 * @var ParagonIE_Sodium_Core32_Int32 $j1 * @var ParagonIE_Sodium_Core32_Int32 $j2 * @var ParagonIE_Sodium_Core32_Int32 $j3 * @var ParagonIE_Sodium_Core32_Int32 $j4 * @var ParagonIE_Sodium_Core32_Int32 $j5 * @var ParagonIE_Sodium_Core32_Int32 $j6 * @var ParagonIE_Sodium_Core32_Int32 $j7 * @var ParagonIE_Sodium_Core32_Int32 $j8 * @var ParagonIE_Sodium_Core32_Int32 $j9 * @var ParagonIE_Sodium_Core32_Int32 $j10 * @var ParagonIE_Sodium_Core32_Int32 $j11 * @var ParagonIE_Sodium_Core32_Int32 $j12 * @var ParagonIE_Sodium_Core32_Int32 $j13 * @var ParagonIE_Sodium_Core32_Int32 $j14 * @var ParagonIE_Sodium_Core32_Int32 $j15 */ if (self::strlen($k) < 32) { throw new RangeException('Key must be 32 bytes long'); } if ($c === null) { $x0 = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865)); $x5 = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e)); $x10 = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32)); $x15 = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574)); } else { $x0 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4)); $x5 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4)); $x10 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4)); $x15 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4)); } $x1 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 0, 4)); $x2 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 4, 4)); $x3 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 8, 4)); $x4 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 12, 4)); $x6 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4)); $x7 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4)); $x8 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4)); $x9 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4)); $x11 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 16, 4)); $x12 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 20, 4)); $x13 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 24, 4)); $x14 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 28, 4)); $j0 = clone $x0; $j1 = clone $x1; $j2 = clone $x2; $j3 = clone $x3; $j4 = clone $x4; $j5 = clone $x5; $j6 = clone $x6; $j7 = clone $x7; $j8 = clone $x8; $j9 = clone $x9; $j10 = clone $x10; $j11 = clone $x11; $j12 = clone $x12; $j13 = clone $x13; $j14 = clone $x14; $j15 = clone $x15; for ($i = self::ROUNDS; $i > 0; $i -= 2) { $x4 = $x4->xorInt32($x0->addInt32($x12)->rotateLeft(7)); $x8 = $x8->xorInt32($x4->addInt32($x0)->rotateLeft(9)); $x12 = $x12->xorInt32($x8->addInt32($x4)->rotateLeft(13)); $x0 = $x0->xorInt32($x12->addInt32($x8)->rotateLeft(18)); $x9 = $x9->xorInt32($x5->addInt32($x1)->rotateLeft(7)); $x13 = $x13->xorInt32($x9->addInt32($x5)->rotateLeft(9)); $x1 = $x1->xorInt32($x13->addInt32($x9)->rotateLeft(13)); $x5 = $x5->xorInt32($x1->addInt32($x13)->rotateLeft(18)); $x14 = $x14->xorInt32($x10->addInt32($x6)->rotateLeft(7)); $x2 = $x2->xorInt32($x14->addInt32($x10)->rotateLeft(9)); $x6 = $x6->xorInt32($x2->addInt32($x14)->rotateLeft(13)); $x10 = $x10->xorInt32($x6->addInt32($x2)->rotateLeft(18)); $x3 = $x3->xorInt32($x15->addInt32($x11)->rotateLeft(7)); $x7 = $x7->xorInt32($x3->addInt32($x15)->rotateLeft(9)); $x11 = $x11->xorInt32($x7->addInt32($x3)->rotateLeft(13)); $x15 = $x15->xorInt32($x11->addInt32($x7)->rotateLeft(18)); $x1 = $x1->xorInt32($x0->addInt32($x3)->rotateLeft(7)); $x2 = $x2->xorInt32($x1->addInt32($x0)->rotateLeft(9)); $x3 = $x3->xorInt32($x2->addInt32($x1)->rotateLeft(13)); $x0 = $x0->xorInt32($x3->addInt32($x2)->rotateLeft(18)); $x6 = $x6->xorInt32($x5->addInt32($x4)->rotateLeft(7)); $x7 = $x7->xorInt32($x6->addInt32($x5)->rotateLeft(9)); $x4 = $x4->xorInt32($x7->addInt32($x6)->rotateLeft(13)); $x5 = $x5->xorInt32($x4->addInt32($x7)->rotateLeft(18)); $x11 = $x11->xorInt32($x10->addInt32($x9)->rotateLeft(7)); $x8 = $x8->xorInt32($x11->addInt32($x10)->rotateLeft(9)); $x9 = $x9->xorInt32($x8->addInt32($x11)->rotateLeft(13)); $x10 = $x10->xorInt32($x9->addInt32($x8)->rotateLeft(18)); $x12 = $x12->xorInt32($x15->addInt32($x14)->rotateLeft(7)); $x13 = $x13->xorInt32($x12->addInt32($x15)->rotateLeft(9)); $x14 = $x14->xorInt32($x13->addInt32($x12)->rotateLeft(13)); $x15 = $x15->xorInt32($x14->addInt32($x13)->rotateLeft(18)); } $x0 = $x0->addInt32($j0); $x1 = $x1->addInt32($j1); $x2 = $x2->addInt32($j2); $x3 = $x3->addInt32($j3); $x4 = $x4->addInt32($j4); $x5 = $x5->addInt32($j5); $x6 = $x6->addInt32($j6); $x7 = $x7->addInt32($j7); $x8 = $x8->addInt32($j8); $x9 = $x9->addInt32($j9); $x10 = $x10->addInt32($j10); $x11 = $x11->addInt32($j11); $x12 = $x12->addInt32($j12); $x13 = $x13->addInt32($j13); $x14 = $x14->addInt32($j14); $x15 = $x15->addInt32($j15); return $x0->toReverseString() . $x1->toReverseString() . $x2->toReverseString() . $x3->toReverseString() . $x4->toReverseString() . $x5->toReverseString() . $x6->toReverseString() . $x7->toReverseString() . $x8->toReverseString() . $x9->toReverseString() . $x10->toReverseString() . $x11->toReverseString() . $x12->toReverseString() . $x13->toReverseString() . $x14->toReverseString() . $x15->toReverseString(); } /** * @internal You should not use this directly from another application * * @param int $len * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function salsa20($len, $nonce, $key) { if (self::strlen($key) !== 32) { throw new RangeException('Key must be 32 bytes long'); } $kcopy = '' . $key; $in = self::substr($nonce, 0, 8) . str_repeat("\0", 8); $c = ''; while ($len >= 64) { $c .= self::core_salsa20($in, $kcopy, null); $u = 1; // Internal counter. for ($i = 8; $i < 16; ++$i) { $u += self::chrToInt($in[$i]); $in[$i] = self::intToChr($u & 0xff); $u >>= 8; } $len -= 64; } if ($len > 0) { $c .= self::substr( self::core_salsa20($in, $kcopy, null), 0, $len ); } try { ParagonIE_Sodium_Compat::memzero($kcopy); } catch (SodiumException $ex) { $kcopy = null; } return $c; } /** * @internal You should not use this directly from another application * * @param string $m * @param string $n * @param int $ic * @param string $k * @return string * @throws SodiumException * @throws TypeError */ public static function salsa20_xor_ic($m, $n, $ic, $k) { $mlen = self::strlen($m); if ($mlen < 1) { return ''; } $kcopy = self::substr($k, 0, 32); $in = self::substr($n, 0, 8); // Initialize the counter $in .= ParagonIE_Sodium_Core32_Util::store64_le($ic); $c = ''; while ($mlen >= 64) { $block = self::core_salsa20($in, $kcopy, null); $c .= self::xorStrings( self::substr($m, 0, 64), self::substr($block, 0, 64) ); $u = 1; for ($i = 8; $i < 16; ++$i) { $u += self::chrToInt($in[$i]); $in[$i] = self::intToChr($u & 0xff); $u >>= 8; } $mlen -= 64; $m = self::substr($m, 64); } if ($mlen) { $block = self::core_salsa20($in, $kcopy, null); $c .= self::xorStrings( self::substr($m, 0, $mlen), self::substr($block, 0, $mlen) ); } try { ParagonIE_Sodium_Compat::memzero($block); ParagonIE_Sodium_Compat::memzero($kcopy); } catch (SodiumException $ex) { $block = null; $kcopy = null; } return $c; } /** * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function salsa20_xor($message, $nonce, $key) { return self::xorStrings( $message, self::salsa20( self::strlen($message), $nonce, $key ) ); } } Core32/HChaCha20.php 0000644 00000012261 14717743076 0007715 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_HChaCha20', false)) { return; } /** * Class ParagonIE_Sodium_Core_HChaCha20 */ class ParagonIE_Sodium_Core32_HChaCha20 extends ParagonIE_Sodium_Core32_ChaCha20 { /** * @param string $in * @param string $key * @param string|null $c * @return string * @throws SodiumException * @throws TypeError */ public static function hChaCha20($in = '', $key = '', $c = null) { $ctx = array(); if ($c === null) { $ctx[0] = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865)); $ctx[1] = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e)); $ctx[2] = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32)); $ctx[3] = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574)); } else { $ctx[0] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4)); $ctx[1] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4)); $ctx[2] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4)); $ctx[3] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4)); } $ctx[4] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4)); $ctx[5] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 4, 4)); $ctx[6] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 8, 4)); $ctx[7] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4)); $ctx[8] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4)); $ctx[9] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4)); $ctx[10] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4)); $ctx[11] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4)); $ctx[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4)); $ctx[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4)); $ctx[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4)); $ctx[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4)); return self::hChaCha20Bytes($ctx); } /** * @param array $ctx * @return string * @throws SodiumException * @throws TypeError */ protected static function hChaCha20Bytes(array $ctx) { /** @var ParagonIE_Sodium_Core32_Int32 $x0 */ $x0 = $ctx[0]; /** @var ParagonIE_Sodium_Core32_Int32 $x1 */ $x1 = $ctx[1]; /** @var ParagonIE_Sodium_Core32_Int32 $x2 */ $x2 = $ctx[2]; /** @var ParagonIE_Sodium_Core32_Int32 $x3 */ $x3 = $ctx[3]; /** @var ParagonIE_Sodium_Core32_Int32 $x4 */ $x4 = $ctx[4]; /** @var ParagonIE_Sodium_Core32_Int32 $x5 */ $x5 = $ctx[5]; /** @var ParagonIE_Sodium_Core32_Int32 $x6 */ $x6 = $ctx[6]; /** @var ParagonIE_Sodium_Core32_Int32 $x7 */ $x7 = $ctx[7]; /** @var ParagonIE_Sodium_Core32_Int32 $x8 */ $x8 = $ctx[8]; /** @var ParagonIE_Sodium_Core32_Int32 $x9 */ $x9 = $ctx[9]; /** @var ParagonIE_Sodium_Core32_Int32 $x10 */ $x10 = $ctx[10]; /** @var ParagonIE_Sodium_Core32_Int32 $x11 */ $x11 = $ctx[11]; /** @var ParagonIE_Sodium_Core32_Int32 $x12 */ $x12 = $ctx[12]; /** @var ParagonIE_Sodium_Core32_Int32 $x13 */ $x13 = $ctx[13]; /** @var ParagonIE_Sodium_Core32_Int32 $x14 */ $x14 = $ctx[14]; /** @var ParagonIE_Sodium_Core32_Int32 $x15 */ $x15 = $ctx[15]; for ($i = 0; $i < 10; ++$i) { # QUARTERROUND( x0, x4, x8, x12) list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12); # QUARTERROUND( x1, x5, x9, x13) list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13); # QUARTERROUND( x2, x6, x10, x14) list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14); # QUARTERROUND( x3, x7, x11, x15) list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15); # QUARTERROUND( x0, x5, x10, x15) list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15); # QUARTERROUND( x1, x6, x11, x12) list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12); # QUARTERROUND( x2, x7, x8, x13) list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13); # QUARTERROUND( x3, x4, x9, x14) list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14); } return $x0->toReverseString() . $x1->toReverseString() . $x2->toReverseString() . $x3->toReverseString() . $x12->toReverseString() . $x13->toReverseString() . $x14->toReverseString() . $x15->toReverseString(); } } Core32/Poly1305/State.php 0000644 00000037135 14717743076 0010657 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Poly1305_State', false)) { return; } /** * Class ParagonIE_Sodium_Core32_Poly1305_State */ class ParagonIE_Sodium_Core32_Poly1305_State extends ParagonIE_Sodium_Core32_Util { /** * @var array<int, int> */ protected $buffer = array(); /** * @var bool */ protected $final = false; /** * @var array<int, ParagonIE_Sodium_Core32_Int32> */ public $h; /** * @var int */ protected $leftover = 0; /** * @var array<int, ParagonIE_Sodium_Core32_Int32> */ public $r; /** * @var array<int, ParagonIE_Sodium_Core32_Int64> */ public $pad; /** * ParagonIE_Sodium_Core32_Poly1305_State constructor. * * @internal You should not use this directly from another application * * @param string $key * @throws InvalidArgumentException * @throws SodiumException * @throws TypeError */ public function __construct($key = '') { if (self::strlen($key) < 32) { throw new InvalidArgumentException( 'Poly1305 requires a 32-byte key' ); } /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */ $this->r = array( // st->r[0] = ... ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4)) ->setUnsignedInt(true) ->mask(0x3ffffff), // st->r[1] = ... ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 3, 4)) ->setUnsignedInt(true) ->shiftRight(2) ->mask(0x3ffff03), // st->r[2] = ... ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 6, 4)) ->setUnsignedInt(true) ->shiftRight(4) ->mask(0x3ffc0ff), // st->r[3] = ... ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 9, 4)) ->setUnsignedInt(true) ->shiftRight(6) ->mask(0x3f03fff), // st->r[4] = ... ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4)) ->setUnsignedInt(true) ->shiftRight(8) ->mask(0x00fffff) ); /* h = 0 */ $this->h = array( new ParagonIE_Sodium_Core32_Int32(array(0, 0), true), new ParagonIE_Sodium_Core32_Int32(array(0, 0), true), new ParagonIE_Sodium_Core32_Int32(array(0, 0), true), new ParagonIE_Sodium_Core32_Int32(array(0, 0), true), new ParagonIE_Sodium_Core32_Int32(array(0, 0), true) ); /* save pad for later */ $this->pad = array( ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4)) ->setUnsignedInt(true)->toInt64(), ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4)) ->setUnsignedInt(true)->toInt64(), ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4)) ->setUnsignedInt(true)->toInt64(), ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4)) ->setUnsignedInt(true)->toInt64(), ); $this->leftover = 0; $this->final = false; } /** * @internal You should not use this directly from another application * * @param string $message * @return self * @throws SodiumException * @throws TypeError */ public function update($message = '') { $bytes = self::strlen($message); /* handle leftover */ if ($this->leftover) { /** @var int $want */ $want = ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - $this->leftover; if ($want > $bytes) { $want = $bytes; } for ($i = 0; $i < $want; ++$i) { $mi = self::chrToInt($message[$i]); $this->buffer[$this->leftover + $i] = $mi; } // We snip off the leftmost bytes. $message = self::substr($message, $want); $bytes = self::strlen($message); $this->leftover += $want; if ($this->leftover < ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) { // We still don't have enough to run $this->blocks() return $this; } $this->blocks( self::intArrayToString($this->buffer), ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE ); $this->leftover = 0; } /* process full blocks */ if ($bytes >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) { /** @var int $want */ $want = $bytes & ~(ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - 1); if ($want >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) { /** @var string $block */ $block = self::substr($message, 0, $want); if (self::strlen($block) >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) { $this->blocks($block, $want); $message = self::substr($message, $want); $bytes = self::strlen($message); } } } /* store leftover */ if ($bytes) { for ($i = 0; $i < $bytes; ++$i) { $mi = self::chrToInt($message[$i]); $this->buffer[$this->leftover + $i] = $mi; } $this->leftover = (int) $this->leftover + $bytes; } return $this; } /** * @internal You should not use this directly from another application * * @param string $message * @param int $bytes * @return self * @throws SodiumException * @throws TypeError */ public function blocks($message, $bytes) { if (self::strlen($message) < 16) { $message = str_pad($message, 16, "\x00", STR_PAD_RIGHT); } $hibit = ParagonIE_Sodium_Core32_Int32::fromInt((int) ($this->final ? 0 : 1 << 24)); /* 1 << 128 */ $hibit->setUnsignedInt(true); $zero = new ParagonIE_Sodium_Core32_Int64(array(0, 0, 0, 0), true); /** * @var ParagonIE_Sodium_Core32_Int64 $d0 * @var ParagonIE_Sodium_Core32_Int64 $d1 * @var ParagonIE_Sodium_Core32_Int64 $d2 * @var ParagonIE_Sodium_Core32_Int64 $d3 * @var ParagonIE_Sodium_Core32_Int64 $d4 * @var ParagonIE_Sodium_Core32_Int64 $r0 * @var ParagonIE_Sodium_Core32_Int64 $r1 * @var ParagonIE_Sodium_Core32_Int64 $r2 * @var ParagonIE_Sodium_Core32_Int64 $r3 * @var ParagonIE_Sodium_Core32_Int64 $r4 * * @var ParagonIE_Sodium_Core32_Int32 $h0 * @var ParagonIE_Sodium_Core32_Int32 $h1 * @var ParagonIE_Sodium_Core32_Int32 $h2 * @var ParagonIE_Sodium_Core32_Int32 $h3 * @var ParagonIE_Sodium_Core32_Int32 $h4 */ $r0 = $this->r[0]->toInt64(); $r1 = $this->r[1]->toInt64(); $r2 = $this->r[2]->toInt64(); $r3 = $this->r[3]->toInt64(); $r4 = $this->r[4]->toInt64(); $s1 = $r1->toInt64()->mulInt(5, 3); $s2 = $r2->toInt64()->mulInt(5, 3); $s3 = $r3->toInt64()->mulInt(5, 3); $s4 = $r4->toInt64()->mulInt(5, 3); $h0 = $this->h[0]; $h1 = $this->h[1]; $h2 = $this->h[2]; $h3 = $this->h[3]; $h4 = $this->h[4]; while ($bytes >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) { /* h += m[i] */ $h0 = $h0->addInt32( ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 0, 4)) ->mask(0x3ffffff) )->toInt64(); $h1 = $h1->addInt32( ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 3, 4)) ->shiftRight(2) ->mask(0x3ffffff) )->toInt64(); $h2 = $h2->addInt32( ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 6, 4)) ->shiftRight(4) ->mask(0x3ffffff) )->toInt64(); $h3 = $h3->addInt32( ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 9, 4)) ->shiftRight(6) ->mask(0x3ffffff) )->toInt64(); $h4 = $h4->addInt32( ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 12, 4)) ->shiftRight(8) ->orInt32($hibit) )->toInt64(); /* h *= r */ $d0 = $zero ->addInt64($h0->mulInt64($r0, 27)) ->addInt64($s4->mulInt64($h1, 27)) ->addInt64($s3->mulInt64($h2, 27)) ->addInt64($s2->mulInt64($h3, 27)) ->addInt64($s1->mulInt64($h4, 27)); $d1 = $zero ->addInt64($h0->mulInt64($r1, 27)) ->addInt64($h1->mulInt64($r0, 27)) ->addInt64($s4->mulInt64($h2, 27)) ->addInt64($s3->mulInt64($h3, 27)) ->addInt64($s2->mulInt64($h4, 27)); $d2 = $zero ->addInt64($h0->mulInt64($r2, 27)) ->addInt64($h1->mulInt64($r1, 27)) ->addInt64($h2->mulInt64($r0, 27)) ->addInt64($s4->mulInt64($h3, 27)) ->addInt64($s3->mulInt64($h4, 27)); $d3 = $zero ->addInt64($h0->mulInt64($r3, 27)) ->addInt64($h1->mulInt64($r2, 27)) ->addInt64($h2->mulInt64($r1, 27)) ->addInt64($h3->mulInt64($r0, 27)) ->addInt64($s4->mulInt64($h4, 27)); $d4 = $zero ->addInt64($h0->mulInt64($r4, 27)) ->addInt64($h1->mulInt64($r3, 27)) ->addInt64($h2->mulInt64($r2, 27)) ->addInt64($h3->mulInt64($r1, 27)) ->addInt64($h4->mulInt64($r0, 27)); /* (partial) h %= p */ $c = $d0->shiftRight(26); $h0 = $d0->toInt32()->mask(0x3ffffff); $d1 = $d1->addInt64($c); $c = $d1->shiftRight(26); $h1 = $d1->toInt32()->mask(0x3ffffff); $d2 = $d2->addInt64($c); $c = $d2->shiftRight(26); $h2 = $d2->toInt32()->mask(0x3ffffff); $d3 = $d3->addInt64($c); $c = $d3->shiftRight(26); $h3 = $d3->toInt32()->mask(0x3ffffff); $d4 = $d4->addInt64($c); $c = $d4->shiftRight(26); $h4 = $d4->toInt32()->mask(0x3ffffff); $h0 = $h0->addInt32($c->toInt32()->mulInt(5, 3)); $c = $h0->shiftRight(26); $h0 = $h0->mask(0x3ffffff); $h1 = $h1->addInt32($c); // Chop off the left 32 bytes. $message = self::substr( $message, ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE ); $bytes -= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE; } /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */ $this->h = array($h0, $h1, $h2, $h3, $h4); return $this; } /** * @internal You should not use this directly from another application * * @return string * @throws SodiumException * @throws TypeError */ public function finish() { /* process the remaining block */ if ($this->leftover) { $i = $this->leftover; $this->buffer[$i++] = 1; for (; $i < ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE; ++$i) { $this->buffer[$i] = 0; } $this->final = true; $this->blocks( self::substr( self::intArrayToString($this->buffer), 0, ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE ), $b = ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE ); } /** * @var ParagonIE_Sodium_Core32_Int32 $f * @var ParagonIE_Sodium_Core32_Int32 $g0 * @var ParagonIE_Sodium_Core32_Int32 $g1 * @var ParagonIE_Sodium_Core32_Int32 $g2 * @var ParagonIE_Sodium_Core32_Int32 $g3 * @var ParagonIE_Sodium_Core32_Int32 $g4 * @var ParagonIE_Sodium_Core32_Int32 $h0 * @var ParagonIE_Sodium_Core32_Int32 $h1 * @var ParagonIE_Sodium_Core32_Int32 $h2 * @var ParagonIE_Sodium_Core32_Int32 $h3 * @var ParagonIE_Sodium_Core32_Int32 $h4 */ $h0 = $this->h[0]; $h1 = $this->h[1]; $h2 = $this->h[2]; $h3 = $this->h[3]; $h4 = $this->h[4]; $c = $h1->shiftRight(26); # $c = $h1 >> 26; $h1 = $h1->mask(0x3ffffff); # $h1 &= 0x3ffffff; $h2 = $h2->addInt32($c); # $h2 += $c; $c = $h2->shiftRight(26); # $c = $h2 >> 26; $h2 = $h2->mask(0x3ffffff); # $h2 &= 0x3ffffff; $h3 = $h3->addInt32($c); # $h3 += $c; $c = $h3->shiftRight(26); # $c = $h3 >> 26; $h3 = $h3->mask(0x3ffffff); # $h3 &= 0x3ffffff; $h4 = $h4->addInt32($c); # $h4 += $c; $c = $h4->shiftRight(26); # $c = $h4 >> 26; $h4 = $h4->mask(0x3ffffff); # $h4 &= 0x3ffffff; $h0 = $h0->addInt32($c->mulInt(5, 3)); # $h0 += self::mul($c, 5); $c = $h0->shiftRight(26); # $c = $h0 >> 26; $h0 = $h0->mask(0x3ffffff); # $h0 &= 0x3ffffff; $h1 = $h1->addInt32($c); # $h1 += $c; /* compute h + -p */ $g0 = $h0->addInt(5); $c = $g0->shiftRight(26); $g0 = $g0->mask(0x3ffffff); $g1 = $h1->addInt32($c); $c = $g1->shiftRight(26); $g1 = $g1->mask(0x3ffffff); $g2 = $h2->addInt32($c); $c = $g2->shiftRight(26); $g2 = $g2->mask(0x3ffffff); $g3 = $h3->addInt32($c); $c = $g3->shiftRight(26); $g3 = $g3->mask(0x3ffffff); $g4 = $h4->addInt32($c)->subInt(1 << 26); # $mask = ($g4 >> 31) - 1; /* select h if h < p, or h + -p if h >= p */ $mask = (int) (($g4->toInt() >> 31) + 1); $g0 = $g0->mask($mask); $g1 = $g1->mask($mask); $g2 = $g2->mask($mask); $g3 = $g3->mask($mask); $g4 = $g4->mask($mask); /** @var int $mask */ $mask = ~$mask; $h0 = $h0->mask($mask)->orInt32($g0); $h1 = $h1->mask($mask)->orInt32($g1); $h2 = $h2->mask($mask)->orInt32($g2); $h3 = $h3->mask($mask)->orInt32($g3); $h4 = $h4->mask($mask)->orInt32($g4); /* h = h % (2^128) */ $h0 = $h0->orInt32($h1->shiftLeft(26)); $h1 = $h1->shiftRight(6)->orInt32($h2->shiftLeft(20)); $h2 = $h2->shiftRight(12)->orInt32($h3->shiftLeft(14)); $h3 = $h3->shiftRight(18)->orInt32($h4->shiftLeft(8)); /* mac = (h + pad) % (2^128) */ $f = $h0->toInt64()->addInt64($this->pad[0]); $h0 = $f->toInt32(); $f = $h1->toInt64()->addInt64($this->pad[1])->addInt($h0->overflow); $h1 = $f->toInt32(); $f = $h2->toInt64()->addInt64($this->pad[2])->addInt($h1->overflow); $h2 = $f->toInt32(); $f = $h3->toInt64()->addInt64($this->pad[3])->addInt($h2->overflow); $h3 = $f->toInt32(); return $h0->toReverseString() . $h1->toReverseString() . $h2->toReverseString() . $h3->toReverseString(); } } Core32/Curve25519.php 0000644 00000403556 14717743076 0010041 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Curve25519', false)) { return; } /** * Class ParagonIE_Sodium_Core32_Curve25519 * * Implements Curve25519 core functions * * Based on the ref10 curve25519 code provided by libsodium * * @ref https://github.com/jedisct1/libsodium/blob/master/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c */ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core32_Curve25519_H { /** * Get a field element of size 10 with a value of 0 * * @internal You should not use this directly from another application * * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError */ public static function fe_0() { return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32() ) ); } /** * Get a field element of size 10 with a value of 1 * * @internal You should not use this directly from another application * * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError */ public static function fe_1() { return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( ParagonIE_Sodium_Core32_Int32::fromInt(1), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32(), new ParagonIE_Sodium_Core32_Int32() ) ); } /** * Add two field elements. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError * @psalm-suppress MixedAssignment * @psalm-suppress MixedMethodCall */ public static function fe_add( ParagonIE_Sodium_Core32_Curve25519_Fe $f, ParagonIE_Sodium_Core32_Curve25519_Fe $g ) { $arr = array(); for ($i = 0; $i < 10; ++$i) { $arr[$i] = $f[$i]->addInt32($g[$i]); } /** @var array<int, ParagonIE_Sodium_Core32_Int32> $arr */ return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($arr); } /** * Constant-time conditional move. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g * @param int $b * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError * @psalm-suppress MixedAssignment * @psalm-suppress MixedMethodCall */ public static function fe_cmov( ParagonIE_Sodium_Core32_Curve25519_Fe $f, ParagonIE_Sodium_Core32_Curve25519_Fe $g, $b = 0 ) { /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */ $h = array(); for ($i = 0; $i < 10; ++$i) { if (!($f[$i] instanceof ParagonIE_Sodium_Core32_Int32)) { throw new TypeError('Expected Int32'); } if (!($g[$i] instanceof ParagonIE_Sodium_Core32_Int32)) { throw new TypeError('Expected Int32'); } $h[$i] = $f[$i]->xorInt32( $f[$i]->xorInt32($g[$i])->mask($b) ); } /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */ return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($h); } /** * Create a copy of a field element. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @return ParagonIE_Sodium_Core32_Curve25519_Fe */ public static function fe_copy(ParagonIE_Sodium_Core32_Curve25519_Fe $f) { $h = clone $f; return $h; } /** * Give: 32-byte string. * Receive: A field element object to use for internal calculations. * * @internal You should not use this directly from another application * * @param string $s * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws RangeException * @throws SodiumException * @throws TypeError * @psalm-suppress MixedMethodCall */ public static function fe_frombytes($s) { if (self::strlen($s) !== 32) { throw new RangeException('Expected a 32-byte string.'); } /** @var ParagonIE_Sodium_Core32_Int32 $h0 */ $h0 = ParagonIE_Sodium_Core32_Int32::fromInt( self::load_4($s) ); /** @var ParagonIE_Sodium_Core32_Int32 $h1 */ $h1 = ParagonIE_Sodium_Core32_Int32::fromInt( self::load_3(self::substr($s, 4, 3)) << 6 ); /** @var ParagonIE_Sodium_Core32_Int32 $h2 */ $h2 = ParagonIE_Sodium_Core32_Int32::fromInt( self::load_3(self::substr($s, 7, 3)) << 5 ); /** @var ParagonIE_Sodium_Core32_Int32 $h3 */ $h3 = ParagonIE_Sodium_Core32_Int32::fromInt( self::load_3(self::substr($s, 10, 3)) << 3 ); /** @var ParagonIE_Sodium_Core32_Int32 $h4 */ $h4 = ParagonIE_Sodium_Core32_Int32::fromInt( self::load_3(self::substr($s, 13, 3)) << 2 ); /** @var ParagonIE_Sodium_Core32_Int32 $h5 */ $h5 = ParagonIE_Sodium_Core32_Int32::fromInt( self::load_4(self::substr($s, 16, 4)) ); /** @var ParagonIE_Sodium_Core32_Int32 $h6 */ $h6 = ParagonIE_Sodium_Core32_Int32::fromInt( self::load_3(self::substr($s, 20, 3)) << 7 ); /** @var ParagonIE_Sodium_Core32_Int32 $h7 */ $h7 = ParagonIE_Sodium_Core32_Int32::fromInt( self::load_3(self::substr($s, 23, 3)) << 5 ); /** @var ParagonIE_Sodium_Core32_Int32 $h8 */ $h8 = ParagonIE_Sodium_Core32_Int32::fromInt( self::load_3(self::substr($s, 26, 3)) << 4 ); /** @var ParagonIE_Sodium_Core32_Int32 $h9 */ $h9 = ParagonIE_Sodium_Core32_Int32::fromInt( (self::load_3(self::substr($s, 29, 3)) & 8388607) << 2 ); $carry9 = $h9->addInt(1 << 24)->shiftRight(25); $h0 = $h0->addInt32($carry9->mulInt(19, 5)); $h9 = $h9->subInt32($carry9->shiftLeft(25)); $carry1 = $h1->addInt(1 << 24)->shiftRight(25); $h2 = $h2->addInt32($carry1); $h1 = $h1->subInt32($carry1->shiftLeft(25)); $carry3 = $h3->addInt(1 << 24)->shiftRight(25); $h4 = $h4->addInt32($carry3); $h3 = $h3->subInt32($carry3->shiftLeft(25)); $carry5 = $h5->addInt(1 << 24)->shiftRight(25); $h6 = $h6->addInt32($carry5); $h5 = $h5->subInt32($carry5->shiftLeft(25)); $carry7 = $h7->addInt(1 << 24)->shiftRight(25); $h8 = $h8->addInt32($carry7); $h7 = $h7->subInt32($carry7->shiftLeft(25)); $carry0 = $h0->addInt(1 << 25)->shiftRight(26); $h1 = $h1->addInt32($carry0); $h0 = $h0->subInt32($carry0->shiftLeft(26)); $carry2 = $h2->addInt(1 << 25)->shiftRight(26); $h3 = $h3->addInt32($carry2); $h2 = $h2->subInt32($carry2->shiftLeft(26)); $carry4 = $h4->addInt(1 << 25)->shiftRight(26); $h5 = $h5->addInt32($carry4); $h4 = $h4->subInt32($carry4->shiftLeft(26)); $carry6 = $h6->addInt(1 << 25)->shiftRight(26); $h7 = $h7->addInt32($carry6); $h6 = $h6->subInt32($carry6->shiftLeft(26)); $carry8 = $h8->addInt(1 << 25)->shiftRight(26); $h9 = $h9->addInt32($carry8); $h8 = $h8->subInt32($carry8->shiftLeft(26)); return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array($h0, $h1, $h2,$h3, $h4, $h5, $h6, $h7, $h8, $h9) ); } /** * Convert a field element to a byte string. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $h * @return string * @throws SodiumException * @throws TypeError * @psalm-suppress MixedAssignment * @psalm-suppress MixedMethodCall */ public static function fe_tobytes(ParagonIE_Sodium_Core32_Curve25519_Fe $h) { /** * @var ParagonIE_Sodium_Core32_Int64[] $f * @var ParagonIE_Sodium_Core32_Int64 $q */ $f = array(); for ($i = 0; $i < 10; ++$i) { $f[$i] = $h[$i]->toInt64(); } $q = $f[9]->mulInt(19, 5)->addInt(1 << 14)->shiftRight(25) ->addInt64($f[0])->shiftRight(26) ->addInt64($f[1])->shiftRight(25) ->addInt64($f[2])->shiftRight(26) ->addInt64($f[3])->shiftRight(25) ->addInt64($f[4])->shiftRight(26) ->addInt64($f[5])->shiftRight(25) ->addInt64($f[6])->shiftRight(26) ->addInt64($f[7])->shiftRight(25) ->addInt64($f[8])->shiftRight(26) ->addInt64($f[9])->shiftRight(25); $f[0] = $f[0]->addInt64($q->mulInt(19, 5)); $carry0 = $f[0]->shiftRight(26); $f[1] = $f[1]->addInt64($carry0); $f[0] = $f[0]->subInt64($carry0->shiftLeft(26)); $carry1 = $f[1]->shiftRight(25); $f[2] = $f[2]->addInt64($carry1); $f[1] = $f[1]->subInt64($carry1->shiftLeft(25)); $carry2 = $f[2]->shiftRight(26); $f[3] = $f[3]->addInt64($carry2); $f[2] = $f[2]->subInt64($carry2->shiftLeft(26)); $carry3 = $f[3]->shiftRight(25); $f[4] = $f[4]->addInt64($carry3); $f[3] = $f[3]->subInt64($carry3->shiftLeft(25)); $carry4 = $f[4]->shiftRight(26); $f[5] = $f[5]->addInt64($carry4); $f[4] = $f[4]->subInt64($carry4->shiftLeft(26)); $carry5 = $f[5]->shiftRight(25); $f[6] = $f[6]->addInt64($carry5); $f[5] = $f[5]->subInt64($carry5->shiftLeft(25)); $carry6 = $f[6]->shiftRight(26); $f[7] = $f[7]->addInt64($carry6); $f[6] = $f[6]->subInt64($carry6->shiftLeft(26)); $carry7 = $f[7]->shiftRight(25); $f[8] = $f[8]->addInt64($carry7); $f[7] = $f[7]->subInt64($carry7->shiftLeft(25)); $carry8 = $f[8]->shiftRight(26); $f[9] = $f[9]->addInt64($carry8); $f[8] = $f[8]->subInt64($carry8->shiftLeft(26)); $carry9 = $f[9]->shiftRight(25); $f[9] = $f[9]->subInt64($carry9->shiftLeft(25)); $h0 = $f[0]->toInt32()->toInt(); $h1 = $f[1]->toInt32()->toInt(); $h2 = $f[2]->toInt32()->toInt(); $h3 = $f[3]->toInt32()->toInt(); $h4 = $f[4]->toInt32()->toInt(); $h5 = $f[5]->toInt32()->toInt(); $h6 = $f[6]->toInt32()->toInt(); $h7 = $f[7]->toInt32()->toInt(); $h8 = $f[8]->toInt32()->toInt(); $h9 = $f[9]->toInt32()->toInt(); /** * @var array<int, int> */ $s = array( (int) (($h0 >> 0) & 0xff), (int) (($h0 >> 8) & 0xff), (int) (($h0 >> 16) & 0xff), (int) ((($h0 >> 24) | ($h1 << 2)) & 0xff), (int) (($h1 >> 6) & 0xff), (int) (($h1 >> 14) & 0xff), (int) ((($h1 >> 22) | ($h2 << 3)) & 0xff), (int) (($h2 >> 5) & 0xff), (int) (($h2 >> 13) & 0xff), (int) ((($h2 >> 21) | ($h3 << 5)) & 0xff), (int) (($h3 >> 3) & 0xff), (int) (($h3 >> 11) & 0xff), (int) ((($h3 >> 19) | ($h4 << 6)) & 0xff), (int) (($h4 >> 2) & 0xff), (int) (($h4 >> 10) & 0xff), (int) (($h4 >> 18) & 0xff), (int) (($h5 >> 0) & 0xff), (int) (($h5 >> 8) & 0xff), (int) (($h5 >> 16) & 0xff), (int) ((($h5 >> 24) | ($h6 << 1)) & 0xff), (int) (($h6 >> 7) & 0xff), (int) (($h6 >> 15) & 0xff), (int) ((($h6 >> 23) | ($h7 << 3)) & 0xff), (int) (($h7 >> 5) & 0xff), (int) (($h7 >> 13) & 0xff), (int) ((($h7 >> 21) | ($h8 << 4)) & 0xff), (int) (($h8 >> 4) & 0xff), (int) (($h8 >> 12) & 0xff), (int) ((($h8 >> 20) | ($h9 << 6)) & 0xff), (int) (($h9 >> 2) & 0xff), (int) (($h9 >> 10) & 0xff), (int) (($h9 >> 18) & 0xff) ); return self::intArrayToString($s); } /** * Is a field element negative? (1 = yes, 0 = no. Used in calculations.) * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @return int * @throws SodiumException * @throws TypeError */ public static function fe_isnegative(ParagonIE_Sodium_Core32_Curve25519_Fe $f) { $str = self::fe_tobytes($f); return (int) (self::chrToInt($str[0]) & 1); } /** * Returns 0 if this field element results in all NUL bytes. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @return bool * @throws SodiumException * @throws TypeError */ public static function fe_isnonzero(ParagonIE_Sodium_Core32_Curve25519_Fe $f) { static $zero; if ($zero === null) { $zero = str_repeat("\x00", 32); } $str = self::fe_tobytes($f); /** @var string $zero */ return !self::verify_32($str, $zero); } /** * Multiply two field elements * * h = f * g * * @internal You should not use this directly from another application * * @security Is multiplication a source of timing leaks? If so, can we do * anything to prevent that from happening? * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError */ public static function fe_mul( ParagonIE_Sodium_Core32_Curve25519_Fe $f, ParagonIE_Sodium_Core32_Curve25519_Fe $g ) { /** * @var ParagonIE_Sodium_Core32_Int32[] $f * @var ParagonIE_Sodium_Core32_Int32[] $g * @var ParagonIE_Sodium_Core32_Int64 $f0 * @var ParagonIE_Sodium_Core32_Int64 $f1 * @var ParagonIE_Sodium_Core32_Int64 $f2 * @var ParagonIE_Sodium_Core32_Int64 $f3 * @var ParagonIE_Sodium_Core32_Int64 $f4 * @var ParagonIE_Sodium_Core32_Int64 $f5 * @var ParagonIE_Sodium_Core32_Int64 $f6 * @var ParagonIE_Sodium_Core32_Int64 $f7 * @var ParagonIE_Sodium_Core32_Int64 $f8 * @var ParagonIE_Sodium_Core32_Int64 $f9 * @var ParagonIE_Sodium_Core32_Int64 $g0 * @var ParagonIE_Sodium_Core32_Int64 $g1 * @var ParagonIE_Sodium_Core32_Int64 $g2 * @var ParagonIE_Sodium_Core32_Int64 $g3 * @var ParagonIE_Sodium_Core32_Int64 $g4 * @var ParagonIE_Sodium_Core32_Int64 $g5 * @var ParagonIE_Sodium_Core32_Int64 $g6 * @var ParagonIE_Sodium_Core32_Int64 $g7 * @var ParagonIE_Sodium_Core32_Int64 $g8 * @var ParagonIE_Sodium_Core32_Int64 $g9 */ $f0 = $f[0]->toInt64(); $f1 = $f[1]->toInt64(); $f2 = $f[2]->toInt64(); $f3 = $f[3]->toInt64(); $f4 = $f[4]->toInt64(); $f5 = $f[5]->toInt64(); $f6 = $f[6]->toInt64(); $f7 = $f[7]->toInt64(); $f8 = $f[8]->toInt64(); $f9 = $f[9]->toInt64(); $g0 = $g[0]->toInt64(); $g1 = $g[1]->toInt64(); $g2 = $g[2]->toInt64(); $g3 = $g[3]->toInt64(); $g4 = $g[4]->toInt64(); $g5 = $g[5]->toInt64(); $g6 = $g[6]->toInt64(); $g7 = $g[7]->toInt64(); $g8 = $g[8]->toInt64(); $g9 = $g[9]->toInt64(); $g1_19 = $g1->mulInt(19, 5); /* 2^4 <= 19 <= 2^5, but we only want 5 bits */ $g2_19 = $g2->mulInt(19, 5); $g3_19 = $g3->mulInt(19, 5); $g4_19 = $g4->mulInt(19, 5); $g5_19 = $g5->mulInt(19, 5); $g6_19 = $g6->mulInt(19, 5); $g7_19 = $g7->mulInt(19, 5); $g8_19 = $g8->mulInt(19, 5); $g9_19 = $g9->mulInt(19, 5); $f1_2 = $f1->shiftLeft(1); $f3_2 = $f3->shiftLeft(1); $f5_2 = $f5->shiftLeft(1); $f7_2 = $f7->shiftLeft(1); $f9_2 = $f9->shiftLeft(1); $f0g0 = $f0->mulInt64($g0, 27); $f0g1 = $f0->mulInt64($g1, 27); $f0g2 = $f0->mulInt64($g2, 27); $f0g3 = $f0->mulInt64($g3, 27); $f0g4 = $f0->mulInt64($g4, 27); $f0g5 = $f0->mulInt64($g5, 27); $f0g6 = $f0->mulInt64($g6, 27); $f0g7 = $f0->mulInt64($g7, 27); $f0g8 = $f0->mulInt64($g8, 27); $f0g9 = $f0->mulInt64($g9, 27); $f1g0 = $f1->mulInt64($g0, 27); $f1g1_2 = $f1_2->mulInt64($g1, 27); $f1g2 = $f1->mulInt64($g2, 27); $f1g3_2 = $f1_2->mulInt64($g3, 27); $f1g4 = $f1->mulInt64($g4, 30); $f1g5_2 = $f1_2->mulInt64($g5, 30); $f1g6 = $f1->mulInt64($g6, 30); $f1g7_2 = $f1_2->mulInt64($g7, 30); $f1g8 = $f1->mulInt64($g8, 30); $f1g9_38 = $g9_19->mulInt64($f1_2, 30); $f2g0 = $f2->mulInt64($g0, 30); $f2g1 = $f2->mulInt64($g1, 29); $f2g2 = $f2->mulInt64($g2, 30); $f2g3 = $f2->mulInt64($g3, 29); $f2g4 = $f2->mulInt64($g4, 30); $f2g5 = $f2->mulInt64($g5, 29); $f2g6 = $f2->mulInt64($g6, 30); $f2g7 = $f2->mulInt64($g7, 29); $f2g8_19 = $g8_19->mulInt64($f2, 30); $f2g9_19 = $g9_19->mulInt64($f2, 30); $f3g0 = $f3->mulInt64($g0, 30); $f3g1_2 = $f3_2->mulInt64($g1, 30); $f3g2 = $f3->mulInt64($g2, 30); $f3g3_2 = $f3_2->mulInt64($g3, 30); $f3g4 = $f3->mulInt64($g4, 30); $f3g5_2 = $f3_2->mulInt64($g5, 30); $f3g6 = $f3->mulInt64($g6, 30); $f3g7_38 = $g7_19->mulInt64($f3_2, 30); $f3g8_19 = $g8_19->mulInt64($f3, 30); $f3g9_38 = $g9_19->mulInt64($f3_2, 30); $f4g0 = $f4->mulInt64($g0, 30); $f4g1 = $f4->mulInt64($g1, 30); $f4g2 = $f4->mulInt64($g2, 30); $f4g3 = $f4->mulInt64($g3, 30); $f4g4 = $f4->mulInt64($g4, 30); $f4g5 = $f4->mulInt64($g5, 30); $f4g6_19 = $g6_19->mulInt64($f4, 30); $f4g7_19 = $g7_19->mulInt64($f4, 30); $f4g8_19 = $g8_19->mulInt64($f4, 30); $f4g9_19 = $g9_19->mulInt64($f4, 30); $f5g0 = $f5->mulInt64($g0, 30); $f5g1_2 = $f5_2->mulInt64($g1, 30); $f5g2 = $f5->mulInt64($g2, 30); $f5g3_2 = $f5_2->mulInt64($g3, 30); $f5g4 = $f5->mulInt64($g4, 30); $f5g5_38 = $g5_19->mulInt64($f5_2, 30); $f5g6_19 = $g6_19->mulInt64($f5, 30); $f5g7_38 = $g7_19->mulInt64($f5_2, 30); $f5g8_19 = $g8_19->mulInt64($f5, 30); $f5g9_38 = $g9_19->mulInt64($f5_2, 30); $f6g0 = $f6->mulInt64($g0, 30); $f6g1 = $f6->mulInt64($g1, 30); $f6g2 = $f6->mulInt64($g2, 30); $f6g3 = $f6->mulInt64($g3, 30); $f6g4_19 = $g4_19->mulInt64($f6, 30); $f6g5_19 = $g5_19->mulInt64($f6, 30); $f6g6_19 = $g6_19->mulInt64($f6, 30); $f6g7_19 = $g7_19->mulInt64($f6, 30); $f6g8_19 = $g8_19->mulInt64($f6, 30); $f6g9_19 = $g9_19->mulInt64($f6, 30); $f7g0 = $f7->mulInt64($g0, 30); $f7g1_2 = $g1->mulInt64($f7_2, 30); $f7g2 = $f7->mulInt64($g2, 30); $f7g3_38 = $g3_19->mulInt64($f7_2, 30); $f7g4_19 = $g4_19->mulInt64($f7, 30); $f7g5_38 = $g5_19->mulInt64($f7_2, 30); $f7g6_19 = $g6_19->mulInt64($f7, 30); $f7g7_38 = $g7_19->mulInt64($f7_2, 30); $f7g8_19 = $g8_19->mulInt64($f7, 30); $f7g9_38 = $g9_19->mulInt64($f7_2, 30); $f8g0 = $f8->mulInt64($g0, 30); $f8g1 = $f8->mulInt64($g1, 29); $f8g2_19 = $g2_19->mulInt64($f8, 30); $f8g3_19 = $g3_19->mulInt64($f8, 30); $f8g4_19 = $g4_19->mulInt64($f8, 30); $f8g5_19 = $g5_19->mulInt64($f8, 30); $f8g6_19 = $g6_19->mulInt64($f8, 30); $f8g7_19 = $g7_19->mulInt64($f8, 30); $f8g8_19 = $g8_19->mulInt64($f8, 30); $f8g9_19 = $g9_19->mulInt64($f8, 30); $f9g0 = $f9->mulInt64($g0, 30); $f9g1_38 = $g1_19->mulInt64($f9_2, 30); $f9g2_19 = $g2_19->mulInt64($f9, 30); $f9g3_38 = $g3_19->mulInt64($f9_2, 30); $f9g4_19 = $g4_19->mulInt64($f9, 30); $f9g5_38 = $g5_19->mulInt64($f9_2, 30); $f9g6_19 = $g6_19->mulInt64($f9, 30); $f9g7_38 = $g7_19->mulInt64($f9_2, 30); $f9g8_19 = $g8_19->mulInt64($f9, 30); $f9g9_38 = $g9_19->mulInt64($f9_2, 30); // $h0 = $f0g0 + $f1g9_38 + $f2g8_19 + $f3g7_38 + $f4g6_19 + $f5g5_38 + $f6g4_19 + $f7g3_38 + $f8g2_19 + $f9g1_38; $h0 = $f0g0->addInt64($f1g9_38)->addInt64($f2g8_19)->addInt64($f3g7_38) ->addInt64($f4g6_19)->addInt64($f5g5_38)->addInt64($f6g4_19) ->addInt64($f7g3_38)->addInt64($f8g2_19)->addInt64($f9g1_38); // $h1 = $f0g1 + $f1g0 + $f2g9_19 + $f3g8_19 + $f4g7_19 + $f5g6_19 + $f6g5_19 + $f7g4_19 + $f8g3_19 + $f9g2_19; $h1 = $f0g1->addInt64($f1g0)->addInt64($f2g9_19)->addInt64($f3g8_19) ->addInt64($f4g7_19)->addInt64($f5g6_19)->addInt64($f6g5_19) ->addInt64($f7g4_19)->addInt64($f8g3_19)->addInt64($f9g2_19); // $h2 = $f0g2 + $f1g1_2 + $f2g0 + $f3g9_38 + $f4g8_19 + $f5g7_38 + $f6g6_19 + $f7g5_38 + $f8g4_19 + $f9g3_38; $h2 = $f0g2->addInt64($f1g1_2)->addInt64($f2g0)->addInt64($f3g9_38) ->addInt64($f4g8_19)->addInt64($f5g7_38)->addInt64($f6g6_19) ->addInt64($f7g5_38)->addInt64($f8g4_19)->addInt64($f9g3_38); // $h3 = $f0g3 + $f1g2 + $f2g1 + $f3g0 + $f4g9_19 + $f5g8_19 + $f6g7_19 + $f7g6_19 + $f8g5_19 + $f9g4_19; $h3 = $f0g3->addInt64($f1g2)->addInt64($f2g1)->addInt64($f3g0) ->addInt64($f4g9_19)->addInt64($f5g8_19)->addInt64($f6g7_19) ->addInt64($f7g6_19)->addInt64($f8g5_19)->addInt64($f9g4_19); // $h4 = $f0g4 + $f1g3_2 + $f2g2 + $f3g1_2 + $f4g0 + $f5g9_38 + $f6g8_19 + $f7g7_38 + $f8g6_19 + $f9g5_38; $h4 = $f0g4->addInt64($f1g3_2)->addInt64($f2g2)->addInt64($f3g1_2) ->addInt64($f4g0)->addInt64($f5g9_38)->addInt64($f6g8_19) ->addInt64($f7g7_38)->addInt64($f8g6_19)->addInt64($f9g5_38); // $h5 = $f0g5 + $f1g4 + $f2g3 + $f3g2 + $f4g1 + $f5g0 + $f6g9_19 + $f7g8_19 + $f8g7_19 + $f9g6_19; $h5 = $f0g5->addInt64($f1g4)->addInt64($f2g3)->addInt64($f3g2) ->addInt64($f4g1)->addInt64($f5g0)->addInt64($f6g9_19) ->addInt64($f7g8_19)->addInt64($f8g7_19)->addInt64($f9g6_19); // $h6 = $f0g6 + $f1g5_2 + $f2g4 + $f3g3_2 + $f4g2 + $f5g1_2 + $f6g0 + $f7g9_38 + $f8g8_19 + $f9g7_38; $h6 = $f0g6->addInt64($f1g5_2)->addInt64($f2g4)->addInt64($f3g3_2) ->addInt64($f4g2)->addInt64($f5g1_2)->addInt64($f6g0) ->addInt64($f7g9_38)->addInt64($f8g8_19)->addInt64($f9g7_38); // $h7 = $f0g7 + $f1g6 + $f2g5 + $f3g4 + $f4g3 + $f5g2 + $f6g1 + $f7g0 + $f8g9_19 + $f9g8_19; $h7 = $f0g7->addInt64($f1g6)->addInt64($f2g5)->addInt64($f3g4) ->addInt64($f4g3)->addInt64($f5g2)->addInt64($f6g1) ->addInt64($f7g0)->addInt64($f8g9_19)->addInt64($f9g8_19); // $h8 = $f0g8 + $f1g7_2 + $f2g6 + $f3g5_2 + $f4g4 + $f5g3_2 + $f6g2 + $f7g1_2 + $f8g0 + $f9g9_38; $h8 = $f0g8->addInt64($f1g7_2)->addInt64($f2g6)->addInt64($f3g5_2) ->addInt64($f4g4)->addInt64($f5g3_2)->addInt64($f6g2) ->addInt64($f7g1_2)->addInt64($f8g0)->addInt64($f9g9_38); // $h9 = $f0g9 + $f1g8 + $f2g7 + $f3g6 + $f4g5 + $f5g4 + $f6g3 + $f7g2 + $f8g1 + $f9g0 ; $h9 = $f0g9->addInt64($f1g8)->addInt64($f2g7)->addInt64($f3g6) ->addInt64($f4g5)->addInt64($f5g4)->addInt64($f6g3) ->addInt64($f7g2)->addInt64($f8g1)->addInt64($f9g0); /** * @var ParagonIE_Sodium_Core32_Int64 $h0 * @var ParagonIE_Sodium_Core32_Int64 $h1 * @var ParagonIE_Sodium_Core32_Int64 $h2 * @var ParagonIE_Sodium_Core32_Int64 $h3 * @var ParagonIE_Sodium_Core32_Int64 $h4 * @var ParagonIE_Sodium_Core32_Int64 $h5 * @var ParagonIE_Sodium_Core32_Int64 $h6 * @var ParagonIE_Sodium_Core32_Int64 $h7 * @var ParagonIE_Sodium_Core32_Int64 $h8 * @var ParagonIE_Sodium_Core32_Int64 $h9 * @var ParagonIE_Sodium_Core32_Int64 $carry0 * @var ParagonIE_Sodium_Core32_Int64 $carry1 * @var ParagonIE_Sodium_Core32_Int64 $carry2 * @var ParagonIE_Sodium_Core32_Int64 $carry3 * @var ParagonIE_Sodium_Core32_Int64 $carry4 * @var ParagonIE_Sodium_Core32_Int64 $carry5 * @var ParagonIE_Sodium_Core32_Int64 $carry6 * @var ParagonIE_Sodium_Core32_Int64 $carry7 * @var ParagonIE_Sodium_Core32_Int64 $carry8 * @var ParagonIE_Sodium_Core32_Int64 $carry9 */ $carry0 = $h0->addInt(1 << 25)->shiftRight(26); $h1 = $h1->addInt64($carry0); $h0 = $h0->subInt64($carry0->shiftLeft(26)); $carry4 = $h4->addInt(1 << 25)->shiftRight(26); $h5 = $h5->addInt64($carry4); $h4 = $h4->subInt64($carry4->shiftLeft(26)); $carry1 = $h1->addInt(1 << 24)->shiftRight(25); $h2 = $h2->addInt64($carry1); $h1 = $h1->subInt64($carry1->shiftLeft(25)); $carry5 = $h5->addInt(1 << 24)->shiftRight(25); $h6 = $h6->addInt64($carry5); $h5 = $h5->subInt64($carry5->shiftLeft(25)); $carry2 = $h2->addInt(1 << 25)->shiftRight(26); $h3 = $h3->addInt64($carry2); $h2 = $h2->subInt64($carry2->shiftLeft(26)); $carry6 = $h6->addInt(1 << 25)->shiftRight(26); $h7 = $h7->addInt64($carry6); $h6 = $h6->subInt64($carry6->shiftLeft(26)); $carry3 = $h3->addInt(1 << 24)->shiftRight(25); $h4 = $h4->addInt64($carry3); $h3 = $h3->subInt64($carry3->shiftLeft(25)); $carry7 = $h7->addInt(1 << 24)->shiftRight(25); $h8 = $h8->addInt64($carry7); $h7 = $h7->subInt64($carry7->shiftLeft(25)); $carry4 = $h4->addInt(1 << 25)->shiftRight(26); $h5 = $h5->addInt64($carry4); $h4 = $h4->subInt64($carry4->shiftLeft(26)); $carry8 = $h8->addInt(1 << 25)->shiftRight(26); $h9 = $h9->addInt64($carry8); $h8 = $h8->subInt64($carry8->shiftLeft(26)); $carry9 = $h9->addInt(1 << 24)->shiftRight(25); $h0 = $h0->addInt64($carry9->mulInt(19, 5)); $h9 = $h9->subInt64($carry9->shiftLeft(25)); $carry0 = $h0->addInt(1 << 25)->shiftRight(26); $h1 = $h1->addInt64($carry0); $h0 = $h0->subInt64($carry0->shiftLeft(26)); return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( $h0->toInt32(), $h1->toInt32(), $h2->toInt32(), $h3->toInt32(), $h4->toInt32(), $h5->toInt32(), $h6->toInt32(), $h7->toInt32(), $h8->toInt32(), $h9->toInt32() ) ); } /** * Get the negative values for each piece of the field element. * * h = -f * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @psalm-suppress MixedAssignment * @psalm-suppress MixedMethodCall */ public static function fe_neg(ParagonIE_Sodium_Core32_Curve25519_Fe $f) { $h = new ParagonIE_Sodium_Core32_Curve25519_Fe(); for ($i = 0; $i < 10; ++$i) { $h[$i] = $h[$i]->subInt32($f[$i]); } return $h; } /** * Square a field element * * h = f * f * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError * @psalm-suppress MixedMethodCall */ public static function fe_sq(ParagonIE_Sodium_Core32_Curve25519_Fe $f) { $f0 = $f[0]->toInt64(); $f1 = $f[1]->toInt64(); $f2 = $f[2]->toInt64(); $f3 = $f[3]->toInt64(); $f4 = $f[4]->toInt64(); $f5 = $f[5]->toInt64(); $f6 = $f[6]->toInt64(); $f7 = $f[7]->toInt64(); $f8 = $f[8]->toInt64(); $f9 = $f[9]->toInt64(); $f0_2 = $f0->shiftLeft(1); $f1_2 = $f1->shiftLeft(1); $f2_2 = $f2->shiftLeft(1); $f3_2 = $f3->shiftLeft(1); $f4_2 = $f4->shiftLeft(1); $f5_2 = $f5->shiftLeft(1); $f6_2 = $f6->shiftLeft(1); $f7_2 = $f7->shiftLeft(1); $f5_38 = $f5->mulInt(38, 6); $f6_19 = $f6->mulInt(19, 5); $f7_38 = $f7->mulInt(38, 6); $f8_19 = $f8->mulInt(19, 5); $f9_38 = $f9->mulInt(38, 6); $f0f0 = $f0->mulInt64($f0, 28); $f0f1_2 = $f0_2->mulInt64($f1, 28); $f0f2_2 = $f0_2->mulInt64($f2, 28); $f0f3_2 = $f0_2->mulInt64($f3, 28); $f0f4_2 = $f0_2->mulInt64($f4, 28); $f0f5_2 = $f0_2->mulInt64($f5, 28); $f0f6_2 = $f0_2->mulInt64($f6, 28); $f0f7_2 = $f0_2->mulInt64($f7, 28); $f0f8_2 = $f0_2->mulInt64($f8, 28); $f0f9_2 = $f0_2->mulInt64($f9, 28); $f1f1_2 = $f1_2->mulInt64($f1, 28); $f1f2_2 = $f1_2->mulInt64($f2, 28); $f1f3_4 = $f1_2->mulInt64($f3_2, 28); $f1f4_2 = $f1_2->mulInt64($f4, 28); $f1f5_4 = $f1_2->mulInt64($f5_2, 30); $f1f6_2 = $f1_2->mulInt64($f6, 28); $f1f7_4 = $f1_2->mulInt64($f7_2, 28); $f1f8_2 = $f1_2->mulInt64($f8, 28); $f1f9_76 = $f9_38->mulInt64($f1_2, 30); $f2f2 = $f2->mulInt64($f2, 28); $f2f3_2 = $f2_2->mulInt64($f3, 28); $f2f4_2 = $f2_2->mulInt64($f4, 28); $f2f5_2 = $f2_2->mulInt64($f5, 28); $f2f6_2 = $f2_2->mulInt64($f6, 28); $f2f7_2 = $f2_2->mulInt64($f7, 28); $f2f8_38 = $f8_19->mulInt64($f2_2, 30); $f2f9_38 = $f9_38->mulInt64($f2, 30); $f3f3_2 = $f3_2->mulInt64($f3, 28); $f3f4_2 = $f3_2->mulInt64($f4, 28); $f3f5_4 = $f3_2->mulInt64($f5_2, 30); $f3f6_2 = $f3_2->mulInt64($f6, 28); $f3f7_76 = $f7_38->mulInt64($f3_2, 30); $f3f8_38 = $f8_19->mulInt64($f3_2, 30); $f3f9_76 = $f9_38->mulInt64($f3_2, 30); $f4f4 = $f4->mulInt64($f4, 28); $f4f5_2 = $f4_2->mulInt64($f5, 28); $f4f6_38 = $f6_19->mulInt64($f4_2, 30); $f4f7_38 = $f7_38->mulInt64($f4, 30); $f4f8_38 = $f8_19->mulInt64($f4_2, 30); $f4f9_38 = $f9_38->mulInt64($f4, 30); $f5f5_38 = $f5_38->mulInt64($f5, 30); $f5f6_38 = $f6_19->mulInt64($f5_2, 30); $f5f7_76 = $f7_38->mulInt64($f5_2, 30); $f5f8_38 = $f8_19->mulInt64($f5_2, 30); $f5f9_76 = $f9_38->mulInt64($f5_2, 30); $f6f6_19 = $f6_19->mulInt64($f6, 30); $f6f7_38 = $f7_38->mulInt64($f6, 30); $f6f8_38 = $f8_19->mulInt64($f6_2, 30); $f6f9_38 = $f9_38->mulInt64($f6, 30); $f7f7_38 = $f7_38->mulInt64($f7, 28); $f7f8_38 = $f8_19->mulInt64($f7_2, 30); $f7f9_76 = $f9_38->mulInt64($f7_2, 30); $f8f8_19 = $f8_19->mulInt64($f8, 30); $f8f9_38 = $f9_38->mulInt64($f8, 30); $f9f9_38 = $f9_38->mulInt64($f9, 28); $h0 = $f0f0->addInt64($f1f9_76)->addInt64($f2f8_38)->addInt64($f3f7_76)->addInt64($f4f6_38)->addInt64($f5f5_38); $h1 = $f0f1_2->addInt64($f2f9_38)->addInt64($f3f8_38)->addInt64($f4f7_38)->addInt64($f5f6_38); $h2 = $f0f2_2->addInt64($f1f1_2)->addInt64($f3f9_76)->addInt64($f4f8_38)->addInt64($f5f7_76)->addInt64($f6f6_19); $h3 = $f0f3_2->addInt64($f1f2_2)->addInt64($f4f9_38)->addInt64($f5f8_38)->addInt64($f6f7_38); $h4 = $f0f4_2->addInt64($f1f3_4)->addInt64($f2f2)->addInt64($f5f9_76)->addInt64($f6f8_38)->addInt64($f7f7_38); $h5 = $f0f5_2->addInt64($f1f4_2)->addInt64($f2f3_2)->addInt64($f6f9_38)->addInt64($f7f8_38); $h6 = $f0f6_2->addInt64($f1f5_4)->addInt64($f2f4_2)->addInt64($f3f3_2)->addInt64($f7f9_76)->addInt64($f8f8_19); $h7 = $f0f7_2->addInt64($f1f6_2)->addInt64($f2f5_2)->addInt64($f3f4_2)->addInt64($f8f9_38); $h8 = $f0f8_2->addInt64($f1f7_4)->addInt64($f2f6_2)->addInt64($f3f5_4)->addInt64($f4f4)->addInt64($f9f9_38); $h9 = $f0f9_2->addInt64($f1f8_2)->addInt64($f2f7_2)->addInt64($f3f6_2)->addInt64($f4f5_2); /** * @var ParagonIE_Sodium_Core32_Int64 $h0 * @var ParagonIE_Sodium_Core32_Int64 $h1 * @var ParagonIE_Sodium_Core32_Int64 $h2 * @var ParagonIE_Sodium_Core32_Int64 $h3 * @var ParagonIE_Sodium_Core32_Int64 $h4 * @var ParagonIE_Sodium_Core32_Int64 $h5 * @var ParagonIE_Sodium_Core32_Int64 $h6 * @var ParagonIE_Sodium_Core32_Int64 $h7 * @var ParagonIE_Sodium_Core32_Int64 $h8 * @var ParagonIE_Sodium_Core32_Int64 $h9 */ $carry0 = $h0->addInt(1 << 25)->shiftRight(26); $h1 = $h1->addInt64($carry0); $h0 = $h0->subInt64($carry0->shiftLeft(26)); $carry4 = $h4->addInt(1 << 25)->shiftRight(26); $h5 = $h5->addInt64($carry4); $h4 = $h4->subInt64($carry4->shiftLeft(26)); $carry1 = $h1->addInt(1 << 24)->shiftRight(25); $h2 = $h2->addInt64($carry1); $h1 = $h1->subInt64($carry1->shiftLeft(25)); $carry5 = $h5->addInt(1 << 24)->shiftRight(25); $h6 = $h6->addInt64($carry5); $h5 = $h5->subInt64($carry5->shiftLeft(25)); $carry2 = $h2->addInt(1 << 25)->shiftRight(26); $h3 = $h3->addInt64($carry2); $h2 = $h2->subInt64($carry2->shiftLeft(26)); $carry6 = $h6->addInt(1 << 25)->shiftRight(26); $h7 = $h7->addInt64($carry6); $h6 = $h6->subInt64($carry6->shiftLeft(26)); $carry3 = $h3->addInt(1 << 24)->shiftRight(25); $h4 = $h4->addInt64($carry3); $h3 = $h3->subInt64($carry3->shiftLeft(25)); $carry7 = $h7->addInt(1 << 24)->shiftRight(25); $h8 = $h8->addInt64($carry7); $h7 = $h7->subInt64($carry7->shiftLeft(25)); $carry4 = $h4->addInt(1 << 25)->shiftRight(26); $h5 = $h5->addInt64($carry4); $h4 = $h4->subInt64($carry4->shiftLeft(26)); $carry8 = $h8->addInt(1 << 25)->shiftRight(26); $h9 = $h9->addInt64($carry8); $h8 = $h8->subInt64($carry8->shiftLeft(26)); $carry9 = $h9->addInt(1 << 24)->shiftRight(25); $h0 = $h0->addInt64($carry9->mulInt(19, 5)); $h9 = $h9->subInt64($carry9->shiftLeft(25)); $carry0 = $h0->addInt(1 << 25)->shiftRight(26); $h1 = $h1->addInt64($carry0); $h0 = $h0->subInt64($carry0->shiftLeft(26)); return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( $h0->toInt32(), $h1->toInt32(), $h2->toInt32(), $h3->toInt32(), $h4->toInt32(), $h5->toInt32(), $h6->toInt32(), $h7->toInt32(), $h8->toInt32(), $h9->toInt32() ) ); } /** * Square and double a field element * * h = 2 * f * f * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError * @psalm-suppress MixedMethodCall */ public static function fe_sq2(ParagonIE_Sodium_Core32_Curve25519_Fe $f) { $f0 = $f[0]->toInt64(); $f1 = $f[1]->toInt64(); $f2 = $f[2]->toInt64(); $f3 = $f[3]->toInt64(); $f4 = $f[4]->toInt64(); $f5 = $f[5]->toInt64(); $f6 = $f[6]->toInt64(); $f7 = $f[7]->toInt64(); $f8 = $f[8]->toInt64(); $f9 = $f[9]->toInt64(); $f0_2 = $f0->shiftLeft(1); $f1_2 = $f1->shiftLeft(1); $f2_2 = $f2->shiftLeft(1); $f3_2 = $f3->shiftLeft(1); $f4_2 = $f4->shiftLeft(1); $f5_2 = $f5->shiftLeft(1); $f6_2 = $f6->shiftLeft(1); $f7_2 = $f7->shiftLeft(1); $f5_38 = $f5->mulInt(38, 6); /* 1.959375*2^30 */ $f6_19 = $f6->mulInt(19, 5); /* 1.959375*2^30 */ $f7_38 = $f7->mulInt(38, 6); /* 1.959375*2^30 */ $f8_19 = $f8->mulInt(19, 5); /* 1.959375*2^30 */ $f9_38 = $f9->mulInt(38, 6); /* 1.959375*2^30 */ $f0f0 = $f0->mulInt64($f0, 28); $f0f1_2 = $f0_2->mulInt64($f1, 28); $f0f2_2 = $f0_2->mulInt64($f2, 28); $f0f3_2 = $f0_2->mulInt64($f3, 28); $f0f4_2 = $f0_2->mulInt64($f4, 28); $f0f5_2 = $f0_2->mulInt64($f5, 28); $f0f6_2 = $f0_2->mulInt64($f6, 28); $f0f7_2 = $f0_2->mulInt64($f7, 28); $f0f8_2 = $f0_2->mulInt64($f8, 28); $f0f9_2 = $f0_2->mulInt64($f9, 28); $f1f1_2 = $f1_2->mulInt64($f1, 28); $f1f2_2 = $f1_2->mulInt64($f2, 28); $f1f3_4 = $f1_2->mulInt64($f3_2, 29); $f1f4_2 = $f1_2->mulInt64($f4, 28); $f1f5_4 = $f1_2->mulInt64($f5_2, 29); $f1f6_2 = $f1_2->mulInt64($f6, 28); $f1f7_4 = $f1_2->mulInt64($f7_2, 29); $f1f8_2 = $f1_2->mulInt64($f8, 28); $f1f9_76 = $f9_38->mulInt64($f1_2, 29); $f2f2 = $f2->mulInt64($f2, 28); $f2f3_2 = $f2_2->mulInt64($f3, 28); $f2f4_2 = $f2_2->mulInt64($f4, 28); $f2f5_2 = $f2_2->mulInt64($f5, 28); $f2f6_2 = $f2_2->mulInt64($f6, 28); $f2f7_2 = $f2_2->mulInt64($f7, 28); $f2f8_38 = $f8_19->mulInt64($f2_2, 29); $f2f9_38 = $f9_38->mulInt64($f2, 29); $f3f3_2 = $f3_2->mulInt64($f3, 28); $f3f4_2 = $f3_2->mulInt64($f4, 28); $f3f5_4 = $f3_2->mulInt64($f5_2, 28); $f3f6_2 = $f3_2->mulInt64($f6, 28); $f3f7_76 = $f7_38->mulInt64($f3_2, 29); $f3f8_38 = $f8_19->mulInt64($f3_2, 29); $f3f9_76 = $f9_38->mulInt64($f3_2, 29); $f4f4 = $f4->mulInt64($f4, 28); $f4f5_2 = $f4_2->mulInt64($f5, 28); $f4f6_38 = $f6_19->mulInt64($f4_2, 29); $f4f7_38 = $f7_38->mulInt64($f4, 29); $f4f8_38 = $f8_19->mulInt64($f4_2, 29); $f4f9_38 = $f9_38->mulInt64($f4, 29); $f5f5_38 = $f5_38->mulInt64($f5, 29); $f5f6_38 = $f6_19->mulInt64($f5_2, 29); $f5f7_76 = $f7_38->mulInt64($f5_2, 29); $f5f8_38 = $f8_19->mulInt64($f5_2, 29); $f5f9_76 = $f9_38->mulInt64($f5_2, 29); $f6f6_19 = $f6_19->mulInt64($f6, 29); $f6f7_38 = $f7_38->mulInt64($f6, 29); $f6f8_38 = $f8_19->mulInt64($f6_2, 29); $f6f9_38 = $f9_38->mulInt64($f6, 29); $f7f7_38 = $f7_38->mulInt64($f7, 29); $f7f8_38 = $f8_19->mulInt64($f7_2, 29); $f7f9_76 = $f9_38->mulInt64($f7_2, 29); $f8f8_19 = $f8_19->mulInt64($f8, 29); $f8f9_38 = $f9_38->mulInt64($f8, 29); $f9f9_38 = $f9_38->mulInt64($f9, 29); $h0 = $f0f0->addInt64($f1f9_76)->addInt64($f2f8_38)->addInt64($f3f7_76)->addInt64($f4f6_38)->addInt64($f5f5_38); $h1 = $f0f1_2->addInt64($f2f9_38)->addInt64($f3f8_38)->addInt64($f4f7_38)->addInt64($f5f6_38); $h2 = $f0f2_2->addInt64($f1f1_2)->addInt64($f3f9_76)->addInt64($f4f8_38)->addInt64($f5f7_76)->addInt64($f6f6_19); $h3 = $f0f3_2->addInt64($f1f2_2)->addInt64($f4f9_38)->addInt64($f5f8_38)->addInt64($f6f7_38); $h4 = $f0f4_2->addInt64($f1f3_4)->addInt64($f2f2)->addInt64($f5f9_76)->addInt64($f6f8_38)->addInt64($f7f7_38); $h5 = $f0f5_2->addInt64($f1f4_2)->addInt64($f2f3_2)->addInt64($f6f9_38)->addInt64($f7f8_38); $h6 = $f0f6_2->addInt64($f1f5_4)->addInt64($f2f4_2)->addInt64($f3f3_2)->addInt64($f7f9_76)->addInt64($f8f8_19); $h7 = $f0f7_2->addInt64($f1f6_2)->addInt64($f2f5_2)->addInt64($f3f4_2)->addInt64($f8f9_38); $h8 = $f0f8_2->addInt64($f1f7_4)->addInt64($f2f6_2)->addInt64($f3f5_4)->addInt64($f4f4)->addInt64($f9f9_38); $h9 = $f0f9_2->addInt64($f1f8_2)->addInt64($f2f7_2)->addInt64($f3f6_2)->addInt64($f4f5_2); /** * @var ParagonIE_Sodium_Core32_Int64 $h0 * @var ParagonIE_Sodium_Core32_Int64 $h1 * @var ParagonIE_Sodium_Core32_Int64 $h2 * @var ParagonIE_Sodium_Core32_Int64 $h3 * @var ParagonIE_Sodium_Core32_Int64 $h4 * @var ParagonIE_Sodium_Core32_Int64 $h5 * @var ParagonIE_Sodium_Core32_Int64 $h6 * @var ParagonIE_Sodium_Core32_Int64 $h7 * @var ParagonIE_Sodium_Core32_Int64 $h8 * @var ParagonIE_Sodium_Core32_Int64 $h9 */ $h0 = $h0->shiftLeft(1); $h1 = $h1->shiftLeft(1); $h2 = $h2->shiftLeft(1); $h3 = $h3->shiftLeft(1); $h4 = $h4->shiftLeft(1); $h5 = $h5->shiftLeft(1); $h6 = $h6->shiftLeft(1); $h7 = $h7->shiftLeft(1); $h8 = $h8->shiftLeft(1); $h9 = $h9->shiftLeft(1); $carry0 = $h0->addInt(1 << 25)->shiftRight(26); $h1 = $h1->addInt64($carry0); $h0 = $h0->subInt64($carry0->shiftLeft(26)); $carry4 = $h4->addInt(1 << 25)->shiftRight(26); $h5 = $h5->addInt64($carry4); $h4 = $h4->subInt64($carry4->shiftLeft(26)); $carry1 = $h1->addInt(1 << 24)->shiftRight(25); $h2 = $h2->addInt64($carry1); $h1 = $h1->subInt64($carry1->shiftLeft(25)); $carry5 = $h5->addInt(1 << 24)->shiftRight(25); $h6 = $h6->addInt64($carry5); $h5 = $h5->subInt64($carry5->shiftLeft(25)); $carry2 = $h2->addInt(1 << 25)->shiftRight(26); $h3 = $h3->addInt64($carry2); $h2 = $h2->subInt64($carry2->shiftLeft(26)); $carry6 = $h6->addInt(1 << 25)->shiftRight(26); $h7 = $h7->addInt64($carry6); $h6 = $h6->subInt64($carry6->shiftLeft(26)); $carry3 = $h3->addInt(1 << 24)->shiftRight(25); $h4 = $h4->addInt64($carry3); $h3 = $h3->subInt64($carry3->shiftLeft(25)); $carry7 = $h7->addInt(1 << 24)->shiftRight(25); $h8 = $h8->addInt64($carry7); $h7 = $h7->subInt64($carry7->shiftLeft(25)); $carry4 = $h4->addInt(1 << 25)->shiftRight(26); $h5 = $h5->addInt64($carry4); $h4 = $h4->subInt64($carry4->shiftLeft(26)); $carry8 = $h8->addInt(1 << 25)->shiftRight(26); $h9 = $h9->addInt64($carry8); $h8 = $h8->subInt64($carry8->shiftLeft(26)); $carry9 = $h9->addInt(1 << 24)->shiftRight(25); $h0 = $h0->addInt64($carry9->mulInt(19, 5)); $h9 = $h9->subInt64($carry9->shiftLeft(25)); $carry0 = $h0->addInt(1 << 25)->shiftRight(26); $h1 = $h1->addInt64($carry0); $h0 = $h0->subInt64($carry0->shiftLeft(26)); return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( $h0->toInt32(), $h1->toInt32(), $h2->toInt32(), $h3->toInt32(), $h4->toInt32(), $h5->toInt32(), $h6->toInt32(), $h7->toInt32(), $h8->toInt32(), $h9->toInt32() ) ); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $Z * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError */ public static function fe_invert(ParagonIE_Sodium_Core32_Curve25519_Fe $Z) { $z = clone $Z; $t0 = self::fe_sq($z); $t1 = self::fe_sq($t0); $t1 = self::fe_sq($t1); $t1 = self::fe_mul($z, $t1); $t0 = self::fe_mul($t0, $t1); $t2 = self::fe_sq($t0); $t1 = self::fe_mul($t1, $t2); $t2 = self::fe_sq($t1); for ($i = 1; $i < 5; ++$i) { $t2 = self::fe_sq($t2); } $t1 = self::fe_mul($t2, $t1); $t2 = self::fe_sq($t1); for ($i = 1; $i < 10; ++$i) { $t2 = self::fe_sq($t2); } $t2 = self::fe_mul($t2, $t1); $t3 = self::fe_sq($t2); for ($i = 1; $i < 20; ++$i) { $t3 = self::fe_sq($t3); } $t2 = self::fe_mul($t3, $t2); $t2 = self::fe_sq($t2); for ($i = 1; $i < 10; ++$i) { $t2 = self::fe_sq($t2); } $t1 = self::fe_mul($t2, $t1); $t2 = self::fe_sq($t1); for ($i = 1; $i < 50; ++$i) { $t2 = self::fe_sq($t2); } $t2 = self::fe_mul($t2, $t1); $t3 = self::fe_sq($t2); for ($i = 1; $i < 100; ++$i) { $t3 = self::fe_sq($t3); } $t2 = self::fe_mul($t3, $t2); $t2 = self::fe_sq($t2); for ($i = 1; $i < 50; ++$i) { $t2 = self::fe_sq($t2); } $t1 = self::fe_mul($t2, $t1); $t1 = self::fe_sq($t1); for ($i = 1; $i < 5; ++$i) { $t1 = self::fe_sq($t1); } return self::fe_mul($t1, $t0); } /** * @internal You should not use this directly from another application * * @ref https://github.com/jedisct1/libsodium/blob/68564326e1e9dc57ef03746f85734232d20ca6fb/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1054-L1106 * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $z * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError */ public static function fe_pow22523(ParagonIE_Sodium_Core32_Curve25519_Fe $z) { # fe_sq(t0, z); # fe_sq(t1, t0); # fe_sq(t1, t1); # fe_mul(t1, z, t1); # fe_mul(t0, t0, t1); # fe_sq(t0, t0); # fe_mul(t0, t1, t0); # fe_sq(t1, t0); $t0 = self::fe_sq($z); $t1 = self::fe_sq($t0); $t1 = self::fe_sq($t1); $t1 = self::fe_mul($z, $t1); $t0 = self::fe_mul($t0, $t1); $t0 = self::fe_sq($t0); $t0 = self::fe_mul($t1, $t0); $t1 = self::fe_sq($t0); # for (i = 1; i < 5; ++i) { # fe_sq(t1, t1); # } for ($i = 1; $i < 5; ++$i) { $t1 = self::fe_sq($t1); } # fe_mul(t0, t1, t0); # fe_sq(t1, t0); $t0 = self::fe_mul($t1, $t0); $t1 = self::fe_sq($t0); # for (i = 1; i < 10; ++i) { # fe_sq(t1, t1); # } for ($i = 1; $i < 10; ++$i) { $t1 = self::fe_sq($t1); } # fe_mul(t1, t1, t0); # fe_sq(t2, t1); $t1 = self::fe_mul($t1, $t0); $t2 = self::fe_sq($t1); # for (i = 1; i < 20; ++i) { # fe_sq(t2, t2); # } for ($i = 1; $i < 20; ++$i) { $t2 = self::fe_sq($t2); } # fe_mul(t1, t2, t1); # fe_sq(t1, t1); $t1 = self::fe_mul($t2, $t1); $t1 = self::fe_sq($t1); # for (i = 1; i < 10; ++i) { # fe_sq(t1, t1); # } for ($i = 1; $i < 10; ++$i) { $t1 = self::fe_sq($t1); } # fe_mul(t0, t1, t0); # fe_sq(t1, t0); $t0 = self::fe_mul($t1, $t0); $t1 = self::fe_sq($t0); # for (i = 1; i < 50; ++i) { # fe_sq(t1, t1); # } for ($i = 1; $i < 50; ++$i) { $t1 = self::fe_sq($t1); } # fe_mul(t1, t1, t0); # fe_sq(t2, t1); $t1 = self::fe_mul($t1, $t0); $t2 = self::fe_sq($t1); # for (i = 1; i < 100; ++i) { # fe_sq(t2, t2); # } for ($i = 1; $i < 100; ++$i) { $t2 = self::fe_sq($t2); } # fe_mul(t1, t2, t1); # fe_sq(t1, t1); $t1 = self::fe_mul($t2, $t1); $t1 = self::fe_sq($t1); # for (i = 1; i < 50; ++i) { # fe_sq(t1, t1); # } for ($i = 1; $i < 50; ++$i) { $t1 = self::fe_sq($t1); } # fe_mul(t0, t1, t0); # fe_sq(t0, t0); # fe_sq(t0, t0); # fe_mul(out, t0, z); $t0 = self::fe_mul($t1, $t0); $t0 = self::fe_sq($t0); $t0 = self::fe_sq($t0); return self::fe_mul($t0, $z); } /** * Subtract two field elements. * * h = f - g * * Preconditions: * |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. * |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. * * Postconditions: * |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g * @return ParagonIE_Sodium_Core32_Curve25519_Fe * @throws SodiumException * @throws TypeError * @psalm-suppress MixedMethodCall * @psalm-suppress MixedTypeCoercion */ public static function fe_sub(ParagonIE_Sodium_Core32_Curve25519_Fe $f, ParagonIE_Sodium_Core32_Curve25519_Fe $g) { return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( $f[0]->subInt32($g[0]), $f[1]->subInt32($g[1]), $f[2]->subInt32($g[2]), $f[3]->subInt32($g[3]), $f[4]->subInt32($g[4]), $f[5]->subInt32($g[5]), $f[6]->subInt32($g[6]), $f[7]->subInt32($g[7]), $f[8]->subInt32($g[8]), $f[9]->subInt32($g[9]) ) ); } /** * Add two group elements. * * r = p + q * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 * @throws SodiumException * @throws TypeError */ public static function ge_add( ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q ) { $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1(); $r->X = self::fe_add($p->Y, $p->X); $r->Y = self::fe_sub($p->Y, $p->X); $r->Z = self::fe_mul($r->X, $q->YplusX); $r->Y = self::fe_mul($r->Y, $q->YminusX); $r->T = self::fe_mul($q->T2d, $p->T); $r->X = self::fe_mul($p->Z, $q->Z); $t0 = self::fe_add($r->X, $r->X); $r->X = self::fe_sub($r->Z, $r->Y); $r->Y = self::fe_add($r->Z, $r->Y); $r->Z = self::fe_add($t0, $r->T); $r->T = self::fe_sub($t0, $r->T); return $r; } /** * @internal You should not use this directly from another application * * @ref https://github.com/jedisct1/libsodium/blob/157c4a80c13b117608aeae12178b2d38825f9f8f/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1185-L1215 * @param string $a * @return array<int, mixed> * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArrayOffset */ public static function slide($a) { if (self::strlen($a) < 256) { if (self::strlen($a) < 16) { $a = str_pad($a, 256, '0', STR_PAD_RIGHT); } } /** @var array<int, int> $r */ $r = array(); for ($i = 0; $i < 256; ++$i) { $r[$i] = (int) (1 & ( self::chrToInt($a[$i >> 3]) >> ($i & 7) ) ); } for ($i = 0;$i < 256;++$i) { if ($r[$i]) { for ($b = 1;$b <= 6 && $i + $b < 256;++$b) { if ($r[$i + $b]) { if ($r[$i] + ($r[$i + $b] << $b) <= 15) { $r[$i] += $r[$i + $b] << $b; $r[$i + $b] = 0; } elseif ($r[$i] - ($r[$i + $b] << $b) >= -15) { $r[$i] -= $r[$i + $b] << $b; for ($k = $i + $b; $k < 256; ++$k) { if (!$r[$k]) { $r[$k] = 1; break; } $r[$k] = 0; } } else { break; } } } } } return $r; } /** * @internal You should not use this directly from another application * * @param string $s * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3 * @throws SodiumException * @throws TypeError */ public static function ge_frombytes_negate_vartime($s) { static $d = null; if (!$d) { $d = ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[0]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[1]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[2]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[3]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[4]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[5]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[6]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[7]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[8]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[9]) ) ); } /** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d */ # fe_frombytes(h->Y,s); # fe_1(h->Z); $h = new ParagonIE_Sodium_Core32_Curve25519_Ge_P3( self::fe_0(), self::fe_frombytes($s), self::fe_1() ); # fe_sq(u,h->Y); # fe_mul(v,u,d); # fe_sub(u,u,h->Z); /* u = y^2-1 */ # fe_add(v,v,h->Z); /* v = dy^2+1 */ $u = self::fe_sq($h->Y); /** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d */ $v = self::fe_mul($u, $d); $u = self::fe_sub($u, $h->Z); /* u = y^2 - 1 */ $v = self::fe_add($v, $h->Z); /* v = dy^2 + 1 */ # fe_sq(v3,v); # fe_mul(v3,v3,v); /* v3 = v^3 */ # fe_sq(h->X,v3); # fe_mul(h->X,h->X,v); # fe_mul(h->X,h->X,u); /* x = uv^7 */ $v3 = self::fe_sq($v); $v3 = self::fe_mul($v3, $v); /* v3 = v^3 */ $h->X = self::fe_sq($v3); $h->X = self::fe_mul($h->X, $v); $h->X = self::fe_mul($h->X, $u); /* x = uv^7 */ # fe_pow22523(h->X,h->X); /* x = (uv^7)^((q-5)/8) */ # fe_mul(h->X,h->X,v3); # fe_mul(h->X,h->X,u); /* x = uv^3(uv^7)^((q-5)/8) */ $h->X = self::fe_pow22523($h->X); /* x = (uv^7)^((q-5)/8) */ $h->X = self::fe_mul($h->X, $v3); $h->X = self::fe_mul($h->X, $u); /* x = uv^3(uv^7)^((q-5)/8) */ # fe_sq(vxx,h->X); # fe_mul(vxx,vxx,v); # fe_sub(check,vxx,u); /* vx^2-u */ $vxx = self::fe_sq($h->X); $vxx = self::fe_mul($vxx, $v); $check = self::fe_sub($vxx, $u); /* vx^2 - u */ # if (fe_isnonzero(check)) { # fe_add(check,vxx,u); /* vx^2+u */ # if (fe_isnonzero(check)) { # return -1; # } # fe_mul(h->X,h->X,sqrtm1); # } if (self::fe_isnonzero($check)) { $check = self::fe_add($vxx, $u); /* vx^2 + u */ if (self::fe_isnonzero($check)) { throw new RangeException('Internal check failed.'); } $h->X = self::fe_mul( $h->X, ParagonIE_Sodium_Core32_Curve25519_Fe::fromIntArray(self::$sqrtm1) ); } # if (fe_isnegative(h->X) == (s[31] >> 7)) { # fe_neg(h->X,h->X); # } $i = self::chrToInt($s[31]); if (self::fe_isnegative($h->X) === ($i >> 7)) { $h->X = self::fe_neg($h->X); } # fe_mul(h->T,h->X,h->Y); $h->T = self::fe_mul($h->X, $h->Y); return $h; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 * @throws SodiumException * @throws TypeError */ public static function ge_madd( ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R, ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q ) { $r = clone $R; $r->X = self::fe_add($p->Y, $p->X); $r->Y = self::fe_sub($p->Y, $p->X); $r->Z = self::fe_mul($r->X, $q->yplusx); $r->Y = self::fe_mul($r->Y, $q->yminusx); $r->T = self::fe_mul($q->xy2d, $p->T); $t0 = self::fe_add(clone $p->Z, clone $p->Z); $r->X = self::fe_sub($r->Z, $r->Y); $r->Y = self::fe_add($r->Z, $r->Y); $r->Z = self::fe_add($t0, $r->T); $r->T = self::fe_sub($t0, $r->T); return $r; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 * @throws SodiumException * @throws TypeError */ public static function ge_msub( ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R, ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q ) { $r = clone $R; $r->X = self::fe_add($p->Y, $p->X); $r->Y = self::fe_sub($p->Y, $p->X); $r->Z = self::fe_mul($r->X, $q->yminusx); $r->Y = self::fe_mul($r->Y, $q->yplusx); $r->T = self::fe_mul($q->xy2d, $p->T); $t0 = self::fe_add($p->Z, $p->Z); $r->X = self::fe_sub($r->Z, $r->Y); $r->Y = self::fe_add($r->Z, $r->Y); $r->Z = self::fe_sub($t0, $r->T); $r->T = self::fe_add($t0, $r->T); return $r; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2 * @throws SodiumException * @throws TypeError */ public static function ge_p1p1_to_p2(ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p) { $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P2(); $r->X = self::fe_mul($p->X, $p->T); $r->Y = self::fe_mul($p->Y, $p->Z); $r->Z = self::fe_mul($p->Z, $p->T); return $r; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3 * @throws SodiumException * @throws TypeError */ public static function ge_p1p1_to_p3(ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p) { $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P3(); $r->X = self::fe_mul($p->X, $p->T); $r->Y = self::fe_mul($p->Y, $p->Z); $r->Z = self::fe_mul($p->Z, $p->T); $r->T = self::fe_mul($p->X, $p->Y); return $r; } /** * @internal You should not use this directly from another application * * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2 * @throws SodiumException * @throws TypeError */ public static function ge_p2_0() { return new ParagonIE_Sodium_Core32_Curve25519_Ge_P2( self::fe_0(), self::fe_1(), self::fe_1() ); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $p * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 * @throws SodiumException * @throws TypeError */ public static function ge_p2_dbl(ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $p) { $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1(); $r->X = self::fe_sq($p->X); $r->Z = self::fe_sq($p->Y); $r->T = self::fe_sq2($p->Z); $r->Y = self::fe_add($p->X, $p->Y); $t0 = self::fe_sq($r->Y); $r->Y = self::fe_add($r->Z, $r->X); $r->Z = self::fe_sub($r->Z, $r->X); $r->X = self::fe_sub($t0, $r->Y); $r->T = self::fe_sub($r->T, $r->Z); return $r; } /** * @internal You should not use this directly from another application * * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3 * @throws SodiumException * @throws TypeError */ public static function ge_p3_0() { return new ParagonIE_Sodium_Core32_Curve25519_Ge_P3( self::fe_0(), self::fe_1(), self::fe_1(), self::fe_0() ); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Cached * @throws SodiumException * @throws TypeError */ public static function ge_p3_to_cached(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p) { static $d2 = null; if ($d2 === null) { $d2 = ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[0]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[1]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[2]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[3]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[4]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[5]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[6]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[7]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[8]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[9]) ) ); } /** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d2 */ $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_Cached(); $r->YplusX = self::fe_add($p->Y, $p->X); $r->YminusX = self::fe_sub($p->Y, $p->X); $r->Z = self::fe_copy($p->Z); $r->T2d = self::fe_mul($p->T, $d2); return $r; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2 */ public static function ge_p3_to_p2(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p) { return new ParagonIE_Sodium_Core32_Curve25519_Ge_P2( $p->X, $p->Y, $p->Z ); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $h * @return string * @throws SodiumException * @throws TypeError */ public static function ge_p3_tobytes(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $h) { $recip = self::fe_invert($h->Z); $x = self::fe_mul($h->X, $recip); $y = self::fe_mul($h->Y, $recip); $s = self::fe_tobytes($y); $s[31] = self::intToChr( self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7) ); return $s; } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 * @throws SodiumException * @throws TypeError */ public static function ge_p3_dbl(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p) { $q = self::ge_p3_to_p2($p); return self::ge_p2_dbl($q); } /** * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp * @throws SodiumException * @throws TypeError */ public static function ge_precomp_0() { return new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp( self::fe_1(), self::fe_1(), self::fe_0() ); } /** * @internal You should not use this directly from another application * * @param int $b * @param int $c * @return int * @psalm-suppress MixedReturnStatement */ public static function equal($b, $c) { $b0 = $b & 0xffff; $b1 = ($b >> 16) & 0xffff; $c0 = $c & 0xffff; $c1 = ($c >> 16) & 0xffff; $d0 = (($b0 ^ $c0) - 1) >> 31; $d1 = (($b1 ^ $c1) - 1) >> 31; return ($d0 & $d1) & 1; } /** * @internal You should not use this directly from another application * * @param string|int $char * @return int (1 = yes, 0 = no) * @throws SodiumException * @throws TypeError */ public static function negative($char) { if (is_int($char)) { return $char < 0 ? 1 : 0; } /** @var string $char */ $x = self::chrToInt(self::substr($char, 0, 1)); return (int) ($x >> 31); } /** * Conditional move * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $t * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $u * @param int $b * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp * @throws SodiumException * @throws TypeError */ public static function cmov( ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $t, ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $u, $b ) { if (!is_int($b)) { throw new InvalidArgumentException('Expected an integer.'); } return new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp( self::fe_cmov($t->yplusx, $u->yplusx, $b), self::fe_cmov($t->yminusx, $u->yminusx, $b), self::fe_cmov($t->xy2d, $u->xy2d, $b) ); } /** * @internal You should not use this directly from another application * * @param int $pos * @param int $b * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArrayAccess * @psalm-suppress MixedArrayOffset * @psalm-suppress MixedArgument */ public static function ge_select($pos = 0, $b = 0) { static $base = null; if ($base === null) { $base = array(); foreach (self::$base as $i => $bas) { for ($j = 0; $j < 8; ++$j) { $base[$i][$j] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp( ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][0]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][1]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][2]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][3]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][4]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][5]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][6]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][7]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][8]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][9]) ) ), ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][0]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][1]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][2]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][3]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][4]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][5]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][6]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][7]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][8]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][9]) ) ), ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][0]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][1]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][2]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][3]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][4]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][5]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][6]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][7]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][8]), ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][9]) ) ) ); } } } if (!is_int($pos)) { throw new InvalidArgumentException('Position must be an integer'); } if ($pos < 0 || $pos > 31) { throw new RangeException('Position is out of range [0, 31]'); } $bnegative = self::negative($b); $babs = $b - (((-$bnegative) & $b) << 1); $t = self::ge_precomp_0(); for ($i = 0; $i < 8; ++$i) { $t = self::cmov( $t, $base[$pos][$i], -self::equal($babs, $i + 1) ); } $minusT = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp( self::fe_copy($t->yminusx), self::fe_copy($t->yplusx), self::fe_neg($t->xy2d) ); return self::cmov($t, $minusT, -$bnegative); } /** * Subtract two group elements. * * r = p - q * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 * @throws SodiumException * @throws TypeError */ public static function ge_sub( ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q ) { $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1(); $r->X = self::fe_add($p->Y, $p->X); $r->Y = self::fe_sub($p->Y, $p->X); $r->Z = self::fe_mul($r->X, $q->YminusX); $r->Y = self::fe_mul($r->Y, $q->YplusX); $r->T = self::fe_mul($q->T2d, $p->T); $r->X = self::fe_mul($p->Z, $q->Z); $t0 = self::fe_add($r->X, $r->X); $r->X = self::fe_sub($r->Z, $r->Y); $r->Y = self::fe_add($r->Z, $r->Y); $r->Z = self::fe_sub($t0, $r->T); $r->T = self::fe_add($t0, $r->T); return $r; } /** * Convert a group element to a byte string. * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $h * @return string * @throws SodiumException * @throws TypeError */ public static function ge_tobytes(ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $h) { $recip = self::fe_invert($h->Z); $x = self::fe_mul($h->X, $recip); $y = self::fe_mul($h->Y, $recip); $s = self::fe_tobytes($y); $s[31] = self::intToChr( self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7) ); return $s; } /** * @internal You should not use this directly from another application * * @param string $a * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A * @param string $b * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArrayAccess */ public static function ge_double_scalarmult_vartime( $a, ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A, $b ) { /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Cached> $Ai */ $Ai = array(); static $Bi = array(); /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp> $Bi */ if (!$Bi) { for ($i = 0; $i < 8; ++$i) { $Bi[$i] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp( ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][0]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][1]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][2]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][3]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][4]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][5]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][6]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][7]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][8]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][9]) ) ), ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][0]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][1]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][2]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][3]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][4]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][5]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][6]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][7]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][8]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][9]) ) ), ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][0]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][1]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][2]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][3]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][4]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][5]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][6]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][7]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][8]), ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][9]) ) ) ); } } for ($i = 0; $i < 8; ++$i) { $Ai[$i] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Cached( self::fe_0(), self::fe_0(), self::fe_0(), self::fe_0() ); } /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Cached> $Ai */ # slide(aslide,a); # slide(bslide,b); /** @var array<int, int> $aslide */ $aslide = self::slide($a); /** @var array<int, int> $bslide */ $bslide = self::slide($b); # ge_p3_to_cached(&Ai[0],A); # ge_p3_dbl(&t,A); ge_p1p1_to_p3(&A2,&t); $Ai[0] = self::ge_p3_to_cached($A); $t = self::ge_p3_dbl($A); $A2 = self::ge_p1p1_to_p3($t); # ge_add(&t,&A2,&Ai[0]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[1],&u); # ge_add(&t,&A2,&Ai[1]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[2],&u); # ge_add(&t,&A2,&Ai[2]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[3],&u); # ge_add(&t,&A2,&Ai[3]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[4],&u); # ge_add(&t,&A2,&Ai[4]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[5],&u); # ge_add(&t,&A2,&Ai[5]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[6],&u); # ge_add(&t,&A2,&Ai[6]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[7],&u); for ($i = 0; $i < 7; ++$i) { $t = self::ge_add($A2, $Ai[$i]); $u = self::ge_p1p1_to_p3($t); $Ai[$i + 1] = self::ge_p3_to_cached($u); } # ge_p2_0(r); $r = self::ge_p2_0(); # for (i = 255;i >= 0;--i) { # if (aslide[i] || bslide[i]) break; # } $i = 255; for (; $i >= 0; --$i) { if ($aslide[$i] || $bslide[$i]) { break; } } # for (;i >= 0;--i) { for (; $i >= 0; --$i) { # ge_p2_dbl(&t,r); $t = self::ge_p2_dbl($r); # if (aslide[i] > 0) { if ($aslide[$i] > 0) { # ge_p1p1_to_p3(&u,&t); # ge_add(&t,&u,&Ai[aslide[i]/2]); $u = self::ge_p1p1_to_p3($t); $t = self::ge_add( $u, $Ai[(int) floor($aslide[$i] / 2)] ); # } else if (aslide[i] < 0) { } elseif ($aslide[$i] < 0) { # ge_p1p1_to_p3(&u,&t); # ge_sub(&t,&u,&Ai[(-aslide[i])/2]); $u = self::ge_p1p1_to_p3($t); $t = self::ge_sub( $u, $Ai[(int) floor(-$aslide[$i] / 2)] ); } /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp> $Bi */ # if (bslide[i] > 0) { if ($bslide[$i] > 0) { # ge_p1p1_to_p3(&u,&t); # ge_madd(&t,&u,&Bi[bslide[i]/2]); $u = self::ge_p1p1_to_p3($t); /** @var int $index */ $index = (int) floor($bslide[$i] / 2); /** @var ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $thisB */ $thisB = $Bi[$index]; $t = self::ge_madd($t, $u, $thisB); # } else if (bslide[i] < 0) { } elseif ($bslide[$i] < 0) { # ge_p1p1_to_p3(&u,&t); # ge_msub(&t,&u,&Bi[(-bslide[i])/2]); $u = self::ge_p1p1_to_p3($t); /** @var int $index */ $index = (int) floor(-$bslide[$i] / 2); /** @var ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $thisB */ $thisB = $Bi[$index]; $t = self::ge_msub($t, $u, $thisB); } # ge_p1p1_to_p2(r,&t); $r = self::ge_p1p1_to_p2($t); } return $r; } /** * @internal You should not use this directly from another application * * @param string $a * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3 * @psalm-suppress MixedAssignment * @psalm-suppress MixedOperand * @throws SodiumException * @throws TypeError */ public static function ge_scalarmult_base($a) { /** @var array<int, int> $e */ $e = array(); $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1(); for ($i = 0; $i < 32; ++$i) { /** @var int $dbl */ $dbl = (int) $i << 1; $e[$dbl] = (int) self::chrToInt($a[$i]) & 15; $e[$dbl + 1] = (int) (self::chrToInt($a[$i]) >> 4) & 15; } /** @var int $carry */ $carry = 0; for ($i = 0; $i < 63; ++$i) { $e[$i] += $carry; $carry = $e[$i] + 8; $carry >>= 4; $e[$i] -= $carry << 4; } /** @var array<int, int> $e */ $e[63] += (int) $carry; $h = self::ge_p3_0(); for ($i = 1; $i < 64; $i += 2) { $t = self::ge_select((int) floor($i / 2), (int) $e[$i]); $r = self::ge_madd($r, $h, $t); $h = self::ge_p1p1_to_p3($r); } $r = self::ge_p3_dbl($h); $s = self::ge_p1p1_to_p2($r); $r = self::ge_p2_dbl($s); $s = self::ge_p1p1_to_p2($r); $r = self::ge_p2_dbl($s); $s = self::ge_p1p1_to_p2($r); $r = self::ge_p2_dbl($s); $h = self::ge_p1p1_to_p3($r); for ($i = 0; $i < 64; $i += 2) { $t = self::ge_select($i >> 1, (int) $e[$i]); $r = self::ge_madd($r, $h, $t); $h = self::ge_p1p1_to_p3($r); } return $h; } /** * Calculates (ab + c) mod l * where l = 2^252 + 27742317777372353535851937790883648493 * * @internal You should not use this directly from another application * * @param string $a * @param string $b * @param string $c * @return string * @throws SodiumException * @throws TypeError */ public static function sc_muladd($a, $b, $c) { $a0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($a, 0, 3))); $a1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 2, 4)) >> 5)); $a2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 5, 3)) >> 2)); $a3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 7, 4)) >> 7)); $a4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 10, 4)) >> 4)); $a5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 13, 3)) >> 1)); $a6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 15, 4)) >> 6)); $a7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 18, 3)) >> 3)); $a8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($a, 21, 3))); $a9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 23, 4)) >> 5)); $a10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 26, 3)) >> 2)); $a11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($a, 28, 4)) >> 7)); $b0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($b, 0, 3))); $b1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 2, 4)) >> 5)); $b2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 5, 3)) >> 2)); $b3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 7, 4)) >> 7)); $b4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 10, 4)) >> 4)); $b5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 13, 3)) >> 1)); $b6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 15, 4)) >> 6)); $b7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 18, 3)) >> 3)); $b8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($b, 21, 3))); $b9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 23, 4)) >> 5)); $b10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 26, 3)) >> 2)); $b11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($b, 28, 4)) >> 7)); $c0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($c, 0, 3))); $c1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 2, 4)) >> 5)); $c2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 5, 3)) >> 2)); $c3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 7, 4)) >> 7)); $c4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 10, 4)) >> 4)); $c5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 13, 3)) >> 1)); $c6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 15, 4)) >> 6)); $c7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 18, 3)) >> 3)); $c8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($c, 21, 3))); $c9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 23, 4)) >> 5)); $c10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 26, 3)) >> 2)); $c11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($c, 28, 4)) >> 7)); /* Can't really avoid the pyramid here: */ /** * @var ParagonIE_Sodium_Core32_Int64 $s0 * @var ParagonIE_Sodium_Core32_Int64 $s1 * @var ParagonIE_Sodium_Core32_Int64 $s2 * @var ParagonIE_Sodium_Core32_Int64 $s3 * @var ParagonIE_Sodium_Core32_Int64 $s4 * @var ParagonIE_Sodium_Core32_Int64 $s5 * @var ParagonIE_Sodium_Core32_Int64 $s6 * @var ParagonIE_Sodium_Core32_Int64 $s7 * @var ParagonIE_Sodium_Core32_Int64 $s8 * @var ParagonIE_Sodium_Core32_Int64 $s9 * @var ParagonIE_Sodium_Core32_Int64 $s10 * @var ParagonIE_Sodium_Core32_Int64 $s11 * @var ParagonIE_Sodium_Core32_Int64 $s12 * @var ParagonIE_Sodium_Core32_Int64 $s13 * @var ParagonIE_Sodium_Core32_Int64 $s14 * @var ParagonIE_Sodium_Core32_Int64 $s15 * @var ParagonIE_Sodium_Core32_Int64 $s16 * @var ParagonIE_Sodium_Core32_Int64 $s17 * @var ParagonIE_Sodium_Core32_Int64 $s18 * @var ParagonIE_Sodium_Core32_Int64 $s19 * @var ParagonIE_Sodium_Core32_Int64 $s20 * @var ParagonIE_Sodium_Core32_Int64 $s21 * @var ParagonIE_Sodium_Core32_Int64 $s22 * @var ParagonIE_Sodium_Core32_Int64 $s23 */ $s0 = $c0->addInt64($a0->mulInt64($b0, 24)); $s1 = $c1->addInt64($a0->mulInt64($b1, 24))->addInt64($a1->mulInt64($b0, 24)); $s2 = $c2->addInt64($a0->mulInt64($b2, 24))->addInt64($a1->mulInt64($b1, 24))->addInt64($a2->mulInt64($b0, 24)); $s3 = $c3->addInt64($a0->mulInt64($b3, 24))->addInt64($a1->mulInt64($b2, 24))->addInt64($a2->mulInt64($b1, 24)) ->addInt64($a3->mulInt64($b0, 24)); $s4 = $c4->addInt64($a0->mulInt64($b4, 24))->addInt64($a1->mulInt64($b3, 24))->addInt64($a2->mulInt64($b2, 24)) ->addInt64($a3->mulInt64($b1, 24))->addInt64($a4->mulInt64($b0, 24)); $s5 = $c5->addInt64($a0->mulInt64($b5, 24))->addInt64($a1->mulInt64($b4, 24))->addInt64($a2->mulInt64($b3, 24)) ->addInt64($a3->mulInt64($b2, 24))->addInt64($a4->mulInt64($b1, 24))->addInt64($a5->mulInt64($b0, 24)); $s6 = $c6->addInt64($a0->mulInt64($b6, 24))->addInt64($a1->mulInt64($b5, 24))->addInt64($a2->mulInt64($b4, 24)) ->addInt64($a3->mulInt64($b3, 24))->addInt64($a4->mulInt64($b2, 24))->addInt64($a5->mulInt64($b1, 24)) ->addInt64($a6->mulInt64($b0, 24)); $s7 = $c7->addInt64($a0->mulInt64($b7, 24))->addInt64($a1->mulInt64($b6, 24))->addInt64($a2->mulInt64($b5, 24)) ->addInt64($a3->mulInt64($b4, 24))->addInt64($a4->mulInt64($b3, 24))->addInt64($a5->mulInt64($b2, 24)) ->addInt64($a6->mulInt64($b1, 24))->addInt64($a7->mulInt64($b0, 24)); $s8 = $c8->addInt64($a0->mulInt64($b8, 24))->addInt64($a1->mulInt64($b7, 24))->addInt64($a2->mulInt64($b6, 24)) ->addInt64($a3->mulInt64($b5, 24))->addInt64($a4->mulInt64($b4, 24))->addInt64($a5->mulInt64($b3, 24)) ->addInt64($a6->mulInt64($b2, 24))->addInt64($a7->mulInt64($b1, 24))->addInt64($a8->mulInt64($b0, 24)); $s9 = $c9->addInt64($a0->mulInt64($b9, 24))->addInt64($a1->mulInt64($b8, 24))->addInt64($a2->mulInt64($b7, 24)) ->addInt64($a3->mulInt64($b6, 24))->addInt64($a4->mulInt64($b5, 24))->addInt64($a5->mulInt64($b4, 24)) ->addInt64($a6->mulInt64($b3, 24))->addInt64($a7->mulInt64($b2, 24))->addInt64($a8->mulInt64($b1, 24)) ->addInt64($a9->mulInt64($b0, 24)); $s10 = $c10->addInt64($a0->mulInt64($b10, 24))->addInt64($a1->mulInt64($b9, 24))->addInt64($a2->mulInt64($b8, 24)) ->addInt64($a3->mulInt64($b7, 24))->addInt64($a4->mulInt64($b6, 24))->addInt64($a5->mulInt64($b5, 24)) ->addInt64($a6->mulInt64($b4, 24))->addInt64($a7->mulInt64($b3, 24))->addInt64($a8->mulInt64($b2, 24)) ->addInt64($a9->mulInt64($b1, 24))->addInt64($a10->mulInt64($b0, 24)); $s11 = $c11->addInt64($a0->mulInt64($b11, 24))->addInt64($a1->mulInt64($b10, 24))->addInt64($a2->mulInt64($b9, 24)) ->addInt64($a3->mulInt64($b8, 24))->addInt64($a4->mulInt64($b7, 24))->addInt64($a5->mulInt64($b6, 24)) ->addInt64($a6->mulInt64($b5, 24))->addInt64($a7->mulInt64($b4, 24))->addInt64($a8->mulInt64($b3, 24)) ->addInt64($a9->mulInt64($b2, 24))->addInt64($a10->mulInt64($b1, 24))->addInt64($a11->mulInt64($b0, 24)); $s12 = $a1->mulInt64($b11, 24)->addInt64($a2->mulInt64($b10, 24))->addInt64($a3->mulInt64($b9, 24)) ->addInt64($a4->mulInt64($b8, 24))->addInt64($a5->mulInt64($b7, 24))->addInt64($a6->mulInt64($b6, 24)) ->addInt64($a7->mulInt64($b5, 24))->addInt64($a8->mulInt64($b4, 24))->addInt64($a9->mulInt64($b3, 24)) ->addInt64($a10->mulInt64($b2, 24))->addInt64($a11->mulInt64($b1, 24)); $s13 = $a2->mulInt64($b11, 24)->addInt64($a3->mulInt64($b10, 24))->addInt64($a4->mulInt64($b9, 24)) ->addInt64($a5->mulInt64($b8, 24))->addInt64($a6->mulInt64($b7, 24))->addInt64($a7->mulInt64($b6, 24)) ->addInt64($a8->mulInt64($b5, 24))->addInt64($a9->mulInt64($b4, 24))->addInt64($a10->mulInt64($b3, 24)) ->addInt64($a11->mulInt64($b2, 24)); $s14 = $a3->mulInt64($b11, 24)->addInt64($a4->mulInt64($b10, 24))->addInt64($a5->mulInt64($b9, 24)) ->addInt64($a6->mulInt64($b8, 24))->addInt64($a7->mulInt64($b7, 24))->addInt64($a8->mulInt64($b6, 24)) ->addInt64($a9->mulInt64($b5, 24))->addInt64($a10->mulInt64($b4, 24))->addInt64($a11->mulInt64($b3, 24)); $s15 = $a4->mulInt64($b11, 24)->addInt64($a5->mulInt64($b10, 24))->addInt64($a6->mulInt64($b9, 24)) ->addInt64($a7->mulInt64($b8, 24))->addInt64($a8->mulInt64($b7, 24))->addInt64($a9->mulInt64($b6, 24)) ->addInt64($a10->mulInt64($b5, 24))->addInt64($a11->mulInt64($b4, 24)); $s16 = $a5->mulInt64($b11, 24)->addInt64($a6->mulInt64($b10, 24))->addInt64($a7->mulInt64($b9, 24)) ->addInt64($a8->mulInt64($b8, 24))->addInt64($a9->mulInt64($b7, 24))->addInt64($a10->mulInt64($b6, 24)) ->addInt64($a11->mulInt64($b5, 24)); $s17 = $a6->mulInt64($b11, 24)->addInt64($a7->mulInt64($b10, 24))->addInt64($a8->mulInt64($b9, 24)) ->addInt64($a9->mulInt64($b8, 24))->addInt64($a10->mulInt64($b7, 24))->addInt64($a11->mulInt64($b6, 24)); $s18 = $a7->mulInt64($b11, 24)->addInt64($a8->mulInt64($b10, 24))->addInt64($a9->mulInt64($b9, 24)) ->addInt64($a10->mulInt64($b8, 24))->addInt64($a11->mulInt64($b7, 24)); $s19 = $a8->mulInt64($b11, 24)->addInt64($a9->mulInt64($b10, 24))->addInt64($a10->mulInt64($b9, 24)) ->addInt64($a11->mulInt64($b8, 24)); $s20 = $a9->mulInt64($b11, 24)->addInt64($a10->mulInt64($b10, 24))->addInt64($a11->mulInt64($b9, 24)); $s21 = $a10->mulInt64($b11, 24)->addInt64($a11->mulInt64($b10, 24)); $s22 = $a11->mulInt64($b11, 24); $s23 = new ParagonIE_Sodium_Core32_Int64(); $carry0 = $s0->addInt(1 << 20)->shiftRight(21); $s1 = $s1->addInt64($carry0); $s0 = $s0->subInt64($carry0->shiftLeft(21)); $carry2 = $s2->addInt(1 << 20)->shiftRight(21); $s3 = $s3->addInt64($carry2); $s2 = $s2->subInt64($carry2->shiftLeft(21)); $carry4 = $s4->addInt(1 << 20)->shiftRight(21); $s5 = $s5->addInt64($carry4); $s4 = $s4->subInt64($carry4->shiftLeft(21)); $carry6 = $s6->addInt(1 << 20)->shiftRight(21); $s7 = $s7->addInt64($carry6); $s6 = $s6->subInt64($carry6->shiftLeft(21)); $carry8 = $s8->addInt(1 << 20)->shiftRight(21); $s9 = $s9->addInt64($carry8); $s8 = $s8->subInt64($carry8->shiftLeft(21)); $carry10 = $s10->addInt(1 << 20)->shiftRight(21); $s11 = $s11->addInt64($carry10); $s10 = $s10->subInt64($carry10->shiftLeft(21)); $carry12 = $s12->addInt(1 << 20)->shiftRight(21); $s13 = $s13->addInt64($carry12); $s12 = $s12->subInt64($carry12->shiftLeft(21)); $carry14 = $s14->addInt(1 << 20)->shiftRight(21); $s15 = $s15->addInt64($carry14); $s14 = $s14->subInt64($carry14->shiftLeft(21)); $carry16 = $s16->addInt(1 << 20)->shiftRight(21); $s17 = $s17->addInt64($carry16); $s16 = $s16->subInt64($carry16->shiftLeft(21)); $carry18 = $s18->addInt(1 << 20)->shiftRight(21); $s19 = $s19->addInt64($carry18); $s18 = $s18->subInt64($carry18->shiftLeft(21)); $carry20 = $s20->addInt(1 << 20)->shiftRight(21); $s21 = $s21->addInt64($carry20); $s20 = $s20->subInt64($carry20->shiftLeft(21)); $carry22 = $s22->addInt(1 << 20)->shiftRight(21); $s23 = $s23->addInt64($carry22); $s22 = $s22->subInt64($carry22->shiftLeft(21)); $carry1 = $s1->addInt(1 << 20)->shiftRight(21); $s2 = $s2->addInt64($carry1); $s1 = $s1->subInt64($carry1->shiftLeft(21)); $carry3 = $s3->addInt(1 << 20)->shiftRight(21); $s4 = $s4->addInt64($carry3); $s3 = $s3->subInt64($carry3->shiftLeft(21)); $carry5 = $s5->addInt(1 << 20)->shiftRight(21); $s6 = $s6->addInt64($carry5); $s5 = $s5->subInt64($carry5->shiftLeft(21)); $carry7 = $s7->addInt(1 << 20)->shiftRight(21); $s8 = $s8->addInt64($carry7); $s7 = $s7->subInt64($carry7->shiftLeft(21)); $carry9 = $s9->addInt(1 << 20)->shiftRight(21); $s10 = $s10->addInt64($carry9); $s9 = $s9->subInt64($carry9->shiftLeft(21)); $carry11 = $s11->addInt(1 << 20)->shiftRight(21); $s12 = $s12->addInt64($carry11); $s11 = $s11->subInt64($carry11->shiftLeft(21)); $carry13 = $s13->addInt(1 << 20)->shiftRight(21); $s14 = $s14->addInt64($carry13); $s13 = $s13->subInt64($carry13->shiftLeft(21)); $carry15 = $s15->addInt(1 << 20)->shiftRight(21); $s16 = $s16->addInt64($carry15); $s15 = $s15->subInt64($carry15->shiftLeft(21)); $carry17 = $s17->addInt(1 << 20)->shiftRight(21); $s18 = $s18->addInt64($carry17); $s17 = $s17->subInt64($carry17->shiftLeft(21)); $carry19 = $s19->addInt(1 << 20)->shiftRight(21); $s20 = $s20->addInt64($carry19); $s19 = $s19->subInt64($carry19->shiftLeft(21)); $carry21 = $s21->addInt(1 << 20)->shiftRight(21); $s22 = $s22->addInt64($carry21); $s21 = $s21->subInt64($carry21->shiftLeft(21)); $s11 = $s11->addInt64($s23->mulInt(666643, 20)); $s12 = $s12->addInt64($s23->mulInt(470296, 19)); $s13 = $s13->addInt64($s23->mulInt(654183, 20)); $s14 = $s14->subInt64($s23->mulInt(997805, 20)); $s15 = $s15->addInt64($s23->mulInt(136657, 18)); $s16 = $s16->subInt64($s23->mulInt(683901, 20)); $s10 = $s10->addInt64($s22->mulInt(666643, 20)); $s11 = $s11->addInt64($s22->mulInt(470296, 19)); $s12 = $s12->addInt64($s22->mulInt(654183, 20)); $s13 = $s13->subInt64($s22->mulInt(997805, 20)); $s14 = $s14->addInt64($s22->mulInt(136657, 18)); $s15 = $s15->subInt64($s22->mulInt(683901, 20)); $s9 = $s9->addInt64($s21->mulInt(666643, 20)); $s10 = $s10->addInt64($s21->mulInt(470296, 19)); $s11 = $s11->addInt64($s21->mulInt(654183, 20)); $s12 = $s12->subInt64($s21->mulInt(997805, 20)); $s13 = $s13->addInt64($s21->mulInt(136657, 18)); $s14 = $s14->subInt64($s21->mulInt(683901, 20)); $s8 = $s8->addInt64($s20->mulInt(666643, 20)); $s9 = $s9->addInt64($s20->mulInt(470296, 19)); $s10 = $s10->addInt64($s20->mulInt(654183, 20)); $s11 = $s11->subInt64($s20->mulInt(997805, 20)); $s12 = $s12->addInt64($s20->mulInt(136657, 18)); $s13 = $s13->subInt64($s20->mulInt(683901, 20)); $s7 = $s7->addInt64($s19->mulInt(666643, 20)); $s8 = $s8->addInt64($s19->mulInt(470296, 19)); $s9 = $s9->addInt64($s19->mulInt(654183, 20)); $s10 = $s10->subInt64($s19->mulInt(997805, 20)); $s11 = $s11->addInt64($s19->mulInt(136657, 18)); $s12 = $s12->subInt64($s19->mulInt(683901, 20)); $s6 = $s6->addInt64($s18->mulInt(666643, 20)); $s7 = $s7->addInt64($s18->mulInt(470296, 19)); $s8 = $s8->addInt64($s18->mulInt(654183, 20)); $s9 = $s9->subInt64($s18->mulInt(997805, 20)); $s10 = $s10->addInt64($s18->mulInt(136657, 18)); $s11 = $s11->subInt64($s18->mulInt(683901, 20)); $carry6 = $s6->addInt(1 << 20)->shiftRight(21); $s7 = $s7->addInt64($carry6); $s6 = $s6->subInt64($carry6->shiftLeft(21)); $carry8 = $s8->addInt(1 << 20)->shiftRight(21); $s9 = $s9->addInt64($carry8); $s8 = $s8->subInt64($carry8->shiftLeft(21)); $carry10 = $s10->addInt(1 << 20)->shiftRight(21); $s11 = $s11->addInt64($carry10); $s10 = $s10->subInt64($carry10->shiftLeft(21)); $carry12 = $s12->addInt(1 << 20)->shiftRight(21); $s13 = $s13->addInt64($carry12); $s12 = $s12->subInt64($carry12->shiftLeft(21)); $carry14 = $s14->addInt(1 << 20)->shiftRight(21); $s15 = $s15->addInt64($carry14); $s14 = $s14->subInt64($carry14->shiftLeft(21)); $carry16 = $s16->addInt(1 << 20)->shiftRight(21); $s17 = $s17->addInt64($carry16); $s16 = $s16->subInt64($carry16->shiftLeft(21)); $carry7 = $s7->addInt(1 << 20)->shiftRight(21); $s8 = $s8->addInt64($carry7); $s7 = $s7->subInt64($carry7->shiftLeft(21)); $carry9 = $s9->addInt(1 << 20)->shiftRight(21); $s10 = $s10->addInt64($carry9); $s9 = $s9->subInt64($carry9->shiftLeft(21)); $carry11 = $s11->addInt(1 << 20)->shiftRight(21); $s12 = $s12->addInt64($carry11); $s11 = $s11->subInt64($carry11->shiftLeft(21)); $carry13 = $s13->addInt(1 << 20)->shiftRight(21); $s14 = $s14->addInt64($carry13); $s13 = $s13->subInt64($carry13->shiftLeft(21)); $carry15 = $s15->addInt(1 << 20)->shiftRight(21); $s16 = $s16->addInt64($carry15); $s15 = $s15->subInt64($carry15->shiftLeft(21)); $s5 = $s5->addInt64($s17->mulInt(666643, 20)); $s6 = $s6->addInt64($s17->mulInt(470296, 19)); $s7 = $s7->addInt64($s17->mulInt(654183, 20)); $s8 = $s8->subInt64($s17->mulInt(997805, 20)); $s9 = $s9->addInt64($s17->mulInt(136657, 18)); $s10 = $s10->subInt64($s17->mulInt(683901, 20)); $s4 = $s4->addInt64($s16->mulInt(666643, 20)); $s5 = $s5->addInt64($s16->mulInt(470296, 19)); $s6 = $s6->addInt64($s16->mulInt(654183, 20)); $s7 = $s7->subInt64($s16->mulInt(997805, 20)); $s8 = $s8->addInt64($s16->mulInt(136657, 18)); $s9 = $s9->subInt64($s16->mulInt(683901, 20)); $s3 = $s3->addInt64($s15->mulInt(666643, 20)); $s4 = $s4->addInt64($s15->mulInt(470296, 19)); $s5 = $s5->addInt64($s15->mulInt(654183, 20)); $s6 = $s6->subInt64($s15->mulInt(997805, 20)); $s7 = $s7->addInt64($s15->mulInt(136657, 18)); $s8 = $s8->subInt64($s15->mulInt(683901, 20)); $s2 = $s2->addInt64($s14->mulInt(666643, 20)); $s3 = $s3->addInt64($s14->mulInt(470296, 19)); $s4 = $s4->addInt64($s14->mulInt(654183, 20)); $s5 = $s5->subInt64($s14->mulInt(997805, 20)); $s6 = $s6->addInt64($s14->mulInt(136657, 18)); $s7 = $s7->subInt64($s14->mulInt(683901, 20)); $s1 = $s1->addInt64($s13->mulInt(666643, 20)); $s2 = $s2->addInt64($s13->mulInt(470296, 19)); $s3 = $s3->addInt64($s13->mulInt(654183, 20)); $s4 = $s4->subInt64($s13->mulInt(997805, 20)); $s5 = $s5->addInt64($s13->mulInt(136657, 18)); $s6 = $s6->subInt64($s13->mulInt(683901, 20)); $s0 = $s0->addInt64($s12->mulInt(666643, 20)); $s1 = $s1->addInt64($s12->mulInt(470296, 19)); $s2 = $s2->addInt64($s12->mulInt(654183, 20)); $s3 = $s3->subInt64($s12->mulInt(997805, 20)); $s4 = $s4->addInt64($s12->mulInt(136657, 18)); $s5 = $s5->subInt64($s12->mulInt(683901, 20)); $s12 = new ParagonIE_Sodium_Core32_Int64(); $carry0 = $s0->addInt(1 << 20)->shiftRight(21); $s1 = $s1->addInt64($carry0); $s0 = $s0->subInt64($carry0->shiftLeft(21)); $carry2 = $s2->addInt(1 << 20)->shiftRight(21); $s3 = $s3->addInt64($carry2); $s2 = $s2->subInt64($carry2->shiftLeft(21)); $carry4 = $s4->addInt(1 << 20)->shiftRight(21); $s5 = $s5->addInt64($carry4); $s4 = $s4->subInt64($carry4->shiftLeft(21)); $carry6 = $s6->addInt(1 << 20)->shiftRight(21); $s7 = $s7->addInt64($carry6); $s6 = $s6->subInt64($carry6->shiftLeft(21)); $carry8 = $s8->addInt(1 << 20)->shiftRight(21); $s9 = $s9->addInt64($carry8); $s8 = $s8->subInt64($carry8->shiftLeft(21)); $carry10 = $s10->addInt(1 << 20)->shiftRight(21); $s11 = $s11->addInt64($carry10); $s10 = $s10->subInt64($carry10->shiftLeft(21)); $carry1 = $s1->addInt(1 << 20)->shiftRight(21); $s2 = $s2->addInt64($carry1); $s1 = $s1->subInt64($carry1->shiftLeft(21)); $carry3 = $s3->addInt(1 << 20)->shiftRight(21); $s4 = $s4->addInt64($carry3); $s3 = $s3->subInt64($carry3->shiftLeft(21)); $carry5 = $s5->addInt(1 << 20)->shiftRight(21); $s6 = $s6->addInt64($carry5); $s5 = $s5->subInt64($carry5->shiftLeft(21)); $carry7 = $s7->addInt(1 << 20)->shiftRight(21); $s8 = $s8->addInt64($carry7); $s7 = $s7->subInt64($carry7->shiftLeft(21)); $carry9 = $s9->addInt(1 << 20)->shiftRight(21); $s10 = $s10->addInt64($carry9); $s9 = $s9->subInt64($carry9->shiftLeft(21)); $carry11 = $s11->addInt(1 << 20)->shiftRight(21); $s12 = $s12->addInt64($carry11); $s11 = $s11->subInt64($carry11->shiftLeft(21)); $s0 = $s0->addInt64($s12->mulInt(666643, 20)); $s1 = $s1->addInt64($s12->mulInt(470296, 19)); $s2 = $s2->addInt64($s12->mulInt(654183, 20)); $s3 = $s3->subInt64($s12->mulInt(997805, 20)); $s4 = $s4->addInt64($s12->mulInt(136657, 18)); $s5 = $s5->subInt64($s12->mulInt(683901, 20)); $s12 = new ParagonIE_Sodium_Core32_Int64(); $carry0 = $s0->shiftRight(21); $s1 = $s1->addInt64($carry0); $s0 = $s0->subInt64($carry0->shiftLeft(21)); $carry1 = $s1->shiftRight(21); $s2 = $s2->addInt64($carry1); $s1 = $s1->subInt64($carry1->shiftLeft(21)); $carry2 = $s2->shiftRight(21); $s3 = $s3->addInt64($carry2); $s2 = $s2->subInt64($carry2->shiftLeft(21)); $carry3 = $s3->shiftRight(21); $s4 = $s4->addInt64($carry3); $s3 = $s3->subInt64($carry3->shiftLeft(21)); $carry4 = $s4->shiftRight(21); $s5 = $s5->addInt64($carry4); $s4 = $s4->subInt64($carry4->shiftLeft(21)); $carry5 = $s5->shiftRight(21); $s6 = $s6->addInt64($carry5); $s5 = $s5->subInt64($carry5->shiftLeft(21)); $carry6 = $s6->shiftRight(21); $s7 = $s7->addInt64($carry6); $s6 = $s6->subInt64($carry6->shiftLeft(21)); $carry7 = $s7->shiftRight(21); $s8 = $s8->addInt64($carry7); $s7 = $s7->subInt64($carry7->shiftLeft(21)); $carry8 = $s8->shiftRight(21); $s9 = $s9->addInt64($carry8); $s8 = $s8->subInt64($carry8->shiftLeft(21)); $carry9 = $s9->shiftRight(21); $s10 = $s10->addInt64($carry9); $s9 = $s9->subInt64($carry9->shiftLeft(21)); $carry10 = $s10->shiftRight(21); $s11 = $s11->addInt64($carry10); $s10 = $s10->subInt64($carry10->shiftLeft(21)); $carry11 = $s11->shiftRight(21); $s12 = $s12->addInt64($carry11); $s11 = $s11->subInt64($carry11->shiftLeft(21)); $s0 = $s0->addInt64($s12->mulInt(666643, 20)); $s1 = $s1->addInt64($s12->mulInt(470296, 19)); $s2 = $s2->addInt64($s12->mulInt(654183, 20)); $s3 = $s3->subInt64($s12->mulInt(997805, 20)); $s4 = $s4->addInt64($s12->mulInt(136657, 18)); $s5 = $s5->subInt64($s12->mulInt(683901, 20)); $carry0 = $s0->shiftRight(21); $s1 = $s1->addInt64($carry0); $s0 = $s0->subInt64($carry0->shiftLeft(21)); $carry1 = $s1->shiftRight(21); $s2 = $s2->addInt64($carry1); $s1 = $s1->subInt64($carry1->shiftLeft(21)); $carry2 = $s2->shiftRight(21); $s3 = $s3->addInt64($carry2); $s2 = $s2->subInt64($carry2->shiftLeft(21)); $carry3 = $s3->shiftRight(21); $s4 = $s4->addInt64($carry3); $s3 = $s3->subInt64($carry3->shiftLeft(21)); $carry4 = $s4->shiftRight(21); $s5 = $s5->addInt64($carry4); $s4 = $s4->subInt64($carry4->shiftLeft(21)); $carry5 = $s5->shiftRight(21); $s6 = $s6->addInt64($carry5); $s5 = $s5->subInt64($carry5->shiftLeft(21)); $carry6 = $s6->shiftRight(21); $s7 = $s7->addInt64($carry6); $s6 = $s6->subInt64($carry6->shiftLeft(21)); $carry7 = $s7->shiftRight(21); $s8 = $s8->addInt64($carry7); $s7 = $s7->subInt64($carry7->shiftLeft(21)); $carry8 = $s10->shiftRight(21); $s9 = $s9->addInt64($carry8); $s8 = $s8->subInt64($carry8->shiftLeft(21)); $carry9 = $s9->shiftRight(21); $s10 = $s10->addInt64($carry9); $s9 = $s9->subInt64($carry9->shiftLeft(21)); $carry10 = $s10->shiftRight(21); $s11 = $s11->addInt64($carry10); $s10 = $s10->subInt64($carry10->shiftLeft(21)); $S0 = $s0->toInt(); $S1 = $s1->toInt(); $S2 = $s2->toInt(); $S3 = $s3->toInt(); $S4 = $s4->toInt(); $S5 = $s5->toInt(); $S6 = $s6->toInt(); $S7 = $s7->toInt(); $S8 = $s8->toInt(); $S9 = $s9->toInt(); $S10 = $s10->toInt(); $S11 = $s11->toInt(); /** * @var array<int, int> */ $arr = array( (int) (0xff & ($S0 >> 0)), (int) (0xff & ($S0 >> 8)), (int) (0xff & (($S0 >> 16) | ($S1 << 5))), (int) (0xff & ($S1 >> 3)), (int) (0xff & ($S1 >> 11)), (int) (0xff & (($S1 >> 19) | ($S2 << 2))), (int) (0xff & ($S2 >> 6)), (int) (0xff & (($S2 >> 14) | ($S3 << 7))), (int) (0xff & ($S3 >> 1)), (int) (0xff & ($S3 >> 9)), (int) (0xff & (($S3 >> 17) | ($S4 << 4))), (int) (0xff & ($S4 >> 4)), (int) (0xff & ($S4 >> 12)), (int) (0xff & (($S4 >> 20) | ($S5 << 1))), (int) (0xff & ($S5 >> 7)), (int) (0xff & (($S5 >> 15) | ($S6 << 6))), (int) (0xff & ($S6 >> 2)), (int) (0xff & ($S6 >> 10)), (int) (0xff & (($S6 >> 18) | ($S7 << 3))), (int) (0xff & ($S7 >> 5)), (int) (0xff & ($S7 >> 13)), (int) (0xff & ($S8 >> 0)), (int) (0xff & ($S8 >> 8)), (int) (0xff & (($S8 >> 16) | ($S9 << 5))), (int) (0xff & ($S9 >> 3)), (int) (0xff & ($S9 >> 11)), (int) (0xff & (($S9 >> 19) | ($S10 << 2))), (int) (0xff & ($S10 >> 6)), (int) (0xff & (($S10 >> 14) | ($S11 << 7))), (int) (0xff & ($S11 >> 1)), (int) (0xff & ($S11 >> 9)), (int) (0xff & ($S11 >> 17)) ); return self::intArrayToString($arr); } /** * @internal You should not use this directly from another application * * @param string $s * @return string * @throws SodiumException * @throws TypeError */ public static function sc_reduce($s) { /** * @var ParagonIE_Sodium_Core32_Int64 $s0 * @var ParagonIE_Sodium_Core32_Int64 $s1 * @var ParagonIE_Sodium_Core32_Int64 $s2 * @var ParagonIE_Sodium_Core32_Int64 $s3 * @var ParagonIE_Sodium_Core32_Int64 $s4 * @var ParagonIE_Sodium_Core32_Int64 $s5 * @var ParagonIE_Sodium_Core32_Int64 $s6 * @var ParagonIE_Sodium_Core32_Int64 $s7 * @var ParagonIE_Sodium_Core32_Int64 $s8 * @var ParagonIE_Sodium_Core32_Int64 $s9 * @var ParagonIE_Sodium_Core32_Int64 $s10 * @var ParagonIE_Sodium_Core32_Int64 $s11 * @var ParagonIE_Sodium_Core32_Int64 $s12 * @var ParagonIE_Sodium_Core32_Int64 $s13 * @var ParagonIE_Sodium_Core32_Int64 $s14 * @var ParagonIE_Sodium_Core32_Int64 $s15 * @var ParagonIE_Sodium_Core32_Int64 $s16 * @var ParagonIE_Sodium_Core32_Int64 $s17 * @var ParagonIE_Sodium_Core32_Int64 $s18 * @var ParagonIE_Sodium_Core32_Int64 $s19 * @var ParagonIE_Sodium_Core32_Int64 $s20 * @var ParagonIE_Sodium_Core32_Int64 $s21 * @var ParagonIE_Sodium_Core32_Int64 $s22 * @var ParagonIE_Sodium_Core32_Int64 $s23 */ $s0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 0, 3))); $s1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 2, 4)) >> 5)); $s2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 5, 3)) >> 2)); $s3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 7, 4)) >> 7)); $s4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 10, 4)) >> 4)); $s5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 13, 3)) >> 1)); $s6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 15, 4)) >> 6)); $s7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 18, 4)) >> 3)); $s8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 21, 3))); $s9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 23, 4)) >> 5)); $s10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 26, 3)) >> 2)); $s11 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 28, 4)) >> 7)); $s12 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 31, 4)) >> 4)); $s13 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 34, 3)) >> 1)); $s14 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 36, 4)) >> 6)); $s15 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 39, 4)) >> 3)); $s16 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 42, 3))); $s17 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 44, 4)) >> 5)); $s18 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 47, 3)) >> 2)); $s19 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 49, 4)) >> 7)); $s20 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 52, 4)) >> 4)); $s21 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 55, 3)) >> 1)); $s22 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 57, 4)) >> 6)); $s23 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($s, 60, 4)) >> 3)); $s11 = $s11->addInt64($s23->mulInt(666643, 20)); $s12 = $s12->addInt64($s23->mulInt(470296, 19)); $s13 = $s13->addInt64($s23->mulInt(654183, 20)); $s14 = $s14->subInt64($s23->mulInt(997805, 20)); $s15 = $s15->addInt64($s23->mulInt(136657, 18)); $s16 = $s16->subInt64($s23->mulInt(683901, 20)); $s10 = $s10->addInt64($s22->mulInt(666643, 20)); $s11 = $s11->addInt64($s22->mulInt(470296, 19)); $s12 = $s12->addInt64($s22->mulInt(654183, 20)); $s13 = $s13->subInt64($s22->mulInt(997805, 20)); $s14 = $s14->addInt64($s22->mulInt(136657, 18)); $s15 = $s15->subInt64($s22->mulInt(683901, 20)); $s9 = $s9->addInt64($s21->mulInt(666643, 20)); $s10 = $s10->addInt64($s21->mulInt(470296, 19)); $s11 = $s11->addInt64($s21->mulInt(654183, 20)); $s12 = $s12->subInt64($s21->mulInt(997805, 20)); $s13 = $s13->addInt64($s21->mulInt(136657, 18)); $s14 = $s14->subInt64($s21->mulInt(683901, 20)); $s8 = $s8->addInt64($s20->mulInt(666643, 20)); $s9 = $s9->addInt64($s20->mulInt(470296, 19)); $s10 = $s10->addInt64($s20->mulInt(654183, 20)); $s11 = $s11->subInt64($s20->mulInt(997805, 20)); $s12 = $s12->addInt64($s20->mulInt(136657, 18)); $s13 = $s13->subInt64($s20->mulInt(683901, 20)); $s7 = $s7->addInt64($s19->mulInt(666643, 20)); $s8 = $s8->addInt64($s19->mulInt(470296, 19)); $s9 = $s9->addInt64($s19->mulInt(654183, 20)); $s10 = $s10->subInt64($s19->mulInt(997805, 20)); $s11 = $s11->addInt64($s19->mulInt(136657, 18)); $s12 = $s12->subInt64($s19->mulInt(683901, 20)); $s6 = $s6->addInt64($s18->mulInt(666643, 20)); $s7 = $s7->addInt64($s18->mulInt(470296, 19)); $s8 = $s8->addInt64($s18->mulInt(654183, 20)); $s9 = $s9->subInt64($s18->mulInt(997805, 20)); $s10 = $s10->addInt64($s18->mulInt(136657, 18)); $s11 = $s11->subInt64($s18->mulInt(683901, 20)); $carry6 = $s6->addInt(1 << 20)->shiftRight(21); $s7 = $s7->addInt64($carry6); $s6 = $s6->subInt64($carry6->shiftLeft(21)); $carry8 = $s8->addInt(1 << 20)->shiftRight(21); $s9 = $s9->addInt64($carry8); $s8 = $s8->subInt64($carry8->shiftLeft(21)); $carry10 = $s10->addInt(1 << 20)->shiftRight(21); $s11 = $s11->addInt64($carry10); $s10 = $s10->subInt64($carry10->shiftLeft(21)); $carry12 = $s12->addInt(1 << 20)->shiftRight(21); $s13 = $s13->addInt64($carry12); $s12 = $s12->subInt64($carry12->shiftLeft(21)); $carry14 = $s14->addInt(1 << 20)->shiftRight(21); $s15 = $s15->addInt64($carry14); $s14 = $s14->subInt64($carry14->shiftLeft(21)); $carry16 = $s16->addInt(1 << 20)->shiftRight(21); $s17 = $s17->addInt64($carry16); $s16 = $s16->subInt64($carry16->shiftLeft(21)); $carry7 = $s7->addInt(1 << 20)->shiftRight(21); $s8 = $s8->addInt64($carry7); $s7 = $s7->subInt64($carry7->shiftLeft(21)); $carry9 = $s9->addInt(1 << 20)->shiftRight(21); $s10 = $s10->addInt64($carry9); $s9 = $s9->subInt64($carry9->shiftLeft(21)); $carry11 = $s11->addInt(1 << 20)->shiftRight(21); $s12 = $s12->addInt64($carry11); $s11 = $s11->subInt64($carry11->shiftLeft(21)); $carry13 = $s13->addInt(1 << 20)->shiftRight(21); $s14 = $s14->addInt64($carry13); $s13 = $s13->subInt64($carry13->shiftLeft(21)); $carry15 = $s15->addInt(1 << 20)->shiftRight(21); $s16 = $s16->addInt64($carry15); $s15 = $s15->subInt64($carry15->shiftLeft(21)); $s5 = $s5->addInt64($s17->mulInt(666643, 20)); $s6 = $s6->addInt64($s17->mulInt(470296, 19)); $s7 = $s7->addInt64($s17->mulInt(654183, 20)); $s8 = $s8->subInt64($s17->mulInt(997805, 20)); $s9 = $s9->addInt64($s17->mulInt(136657, 18)); $s10 = $s10->subInt64($s17->mulInt(683901, 20)); $s4 = $s4->addInt64($s16->mulInt(666643, 20)); $s5 = $s5->addInt64($s16->mulInt(470296, 19)); $s6 = $s6->addInt64($s16->mulInt(654183, 20)); $s7 = $s7->subInt64($s16->mulInt(997805, 20)); $s8 = $s8->addInt64($s16->mulInt(136657, 18)); $s9 = $s9->subInt64($s16->mulInt(683901, 20)); $s3 = $s3->addInt64($s15->mulInt(666643, 20)); $s4 = $s4->addInt64($s15->mulInt(470296, 19)); $s5 = $s5->addInt64($s15->mulInt(654183, 20)); $s6 = $s6->subInt64($s15->mulInt(997805, 20)); $s7 = $s7->addInt64($s15->mulInt(136657, 18)); $s8 = $s8->subInt64($s15->mulInt(683901, 20)); $s2 = $s2->addInt64($s14->mulInt(666643, 20)); $s3 = $s3->addInt64($s14->mulInt(470296, 19)); $s4 = $s4->addInt64($s14->mulInt(654183, 20)); $s5 = $s5->subInt64($s14->mulInt(997805, 20)); $s6 = $s6->addInt64($s14->mulInt(136657, 18)); $s7 = $s7->subInt64($s14->mulInt(683901, 20)); $s1 = $s1->addInt64($s13->mulInt(666643, 20)); $s2 = $s2->addInt64($s13->mulInt(470296, 19)); $s3 = $s3->addInt64($s13->mulInt(654183, 20)); $s4 = $s4->subInt64($s13->mulInt(997805, 20)); $s5 = $s5->addInt64($s13->mulInt(136657, 18)); $s6 = $s6->subInt64($s13->mulInt(683901, 20)); $s0 = $s0->addInt64($s12->mulInt(666643, 20)); $s1 = $s1->addInt64($s12->mulInt(470296, 19)); $s2 = $s2->addInt64($s12->mulInt(654183, 20)); $s3 = $s3->subInt64($s12->mulInt(997805, 20)); $s4 = $s4->addInt64($s12->mulInt(136657, 18)); $s5 = $s5->subInt64($s12->mulInt(683901, 20)); $s12 = new ParagonIE_Sodium_Core32_Int64(); $carry0 = $s0->addInt(1 << 20)->shiftRight(21); $s1 = $s1->addInt64($carry0); $s0 = $s0->subInt64($carry0->shiftLeft(21)); $carry2 = $s2->addInt(1 << 20)->shiftRight(21); $s3 = $s3->addInt64($carry2); $s2 = $s2->subInt64($carry2->shiftLeft(21)); $carry4 = $s4->addInt(1 << 20)->shiftRight(21); $s5 = $s5->addInt64($carry4); $s4 = $s4->subInt64($carry4->shiftLeft(21)); $carry6 = $s6->addInt(1 << 20)->shiftRight(21); $s7 = $s7->addInt64($carry6); $s6 = $s6->subInt64($carry6->shiftLeft(21)); $carry8 = $s8->addInt(1 << 20)->shiftRight(21); $s9 = $s9->addInt64($carry8); $s8 = $s8->subInt64($carry8->shiftLeft(21)); $carry10 = $s10->addInt(1 << 20)->shiftRight(21); $s11 = $s11->addInt64($carry10); $s10 = $s10->subInt64($carry10->shiftLeft(21)); $carry1 = $s1->addInt(1 << 20)->shiftRight(21); $s2 = $s2->addInt64($carry1); $s1 = $s1->subInt64($carry1->shiftLeft(21)); $carry3 = $s3->addInt(1 << 20)->shiftRight(21); $s4 = $s4->addInt64($carry3); $s3 = $s3->subInt64($carry3->shiftLeft(21)); $carry5 = $s5->addInt(1 << 20)->shiftRight(21); $s6 = $s6->addInt64($carry5); $s5 = $s5->subInt64($carry5->shiftLeft(21)); $carry7 = $s7->addInt(1 << 20)->shiftRight(21); $s8 = $s8->addInt64($carry7); $s7 = $s7->subInt64($carry7->shiftLeft(21)); $carry9 = $s9->addInt(1 << 20)->shiftRight(21); $s10 = $s10->addInt64($carry9); $s9 = $s9->subInt64($carry9->shiftLeft(21)); $carry11 = $s11->addInt(1 << 20)->shiftRight(21); $s12 = $s12->addInt64($carry11); $s11 = $s11->subInt64($carry11->shiftLeft(21)); $s0 = $s0->addInt64($s12->mulInt(666643, 20)); $s1 = $s1->addInt64($s12->mulInt(470296, 19)); $s2 = $s2->addInt64($s12->mulInt(654183, 20)); $s3 = $s3->subInt64($s12->mulInt(997805, 20)); $s4 = $s4->addInt64($s12->mulInt(136657, 18)); $s5 = $s5->subInt64($s12->mulInt(683901, 20)); $s12 = new ParagonIE_Sodium_Core32_Int64(); $carry0 = $s0->shiftRight(21); $s1 = $s1->addInt64($carry0); $s0 = $s0->subInt64($carry0->shiftLeft(21)); $carry1 = $s1->shiftRight(21); $s2 = $s2->addInt64($carry1); $s1 = $s1->subInt64($carry1->shiftLeft(21)); $carry2 = $s2->shiftRight(21); $s3 = $s3->addInt64($carry2); $s2 = $s2->subInt64($carry2->shiftLeft(21)); $carry3 = $s3->shiftRight(21); $s4 = $s4->addInt64($carry3); $s3 = $s3->subInt64($carry3->shiftLeft(21)); $carry4 = $s4->shiftRight(21); $s5 = $s5->addInt64($carry4); $s4 = $s4->subInt64($carry4->shiftLeft(21)); $carry5 = $s5->shiftRight(21); $s6 = $s6->addInt64($carry5); $s5 = $s5->subInt64($carry5->shiftLeft(21)); $carry6 = $s6->shiftRight(21); $s7 = $s7->addInt64($carry6); $s6 = $s6->subInt64($carry6->shiftLeft(21)); $carry7 = $s7->shiftRight(21); $s8 = $s8->addInt64($carry7); $s7 = $s7->subInt64($carry7->shiftLeft(21)); $carry8 = $s8->shiftRight(21); $s9 = $s9->addInt64($carry8); $s8 = $s8->subInt64($carry8->shiftLeft(21)); $carry9 = $s9->shiftRight(21); $s10 = $s10->addInt64($carry9); $s9 = $s9->subInt64($carry9->shiftLeft(21)); $carry10 = $s10->shiftRight(21); $s11 = $s11->addInt64($carry10); $s10 = $s10->subInt64($carry10->shiftLeft(21)); $carry11 = $s11->shiftRight(21); $s12 = $s12->addInt64($carry11); $s11 = $s11->subInt64($carry11->shiftLeft(21)); $s0 = $s0->addInt64($s12->mulInt(666643, 20)); $s1 = $s1->addInt64($s12->mulInt(470296, 19)); $s2 = $s2->addInt64($s12->mulInt(654183, 20)); $s3 = $s3->subInt64($s12->mulInt(997805, 20)); $s4 = $s4->addInt64($s12->mulInt(136657, 18)); $s5 = $s5->subInt64($s12->mulInt(683901, 20)); $carry0 = $s0->shiftRight(21); $s1 = $s1->addInt64($carry0); $s0 = $s0->subInt64($carry0->shiftLeft(21)); $carry1 = $s1->shiftRight(21); $s2 = $s2->addInt64($carry1); $s1 = $s1->subInt64($carry1->shiftLeft(21)); $carry2 = $s2->shiftRight(21); $s3 = $s3->addInt64($carry2); $s2 = $s2->subInt64($carry2->shiftLeft(21)); $carry3 = $s3->shiftRight(21); $s4 = $s4->addInt64($carry3); $s3 = $s3->subInt64($carry3->shiftLeft(21)); $carry4 = $s4->shiftRight(21); $s5 = $s5->addInt64($carry4); $s4 = $s4->subInt64($carry4->shiftLeft(21)); $carry5 = $s5->shiftRight(21); $s6 = $s6->addInt64($carry5); $s5 = $s5->subInt64($carry5->shiftLeft(21)); $carry6 = $s6->shiftRight(21); $s7 = $s7->addInt64($carry6); $s6 = $s6->subInt64($carry6->shiftLeft(21)); $carry7 = $s7->shiftRight(21); $s8 = $s8->addInt64($carry7); $s7 = $s7->subInt64($carry7->shiftLeft(21)); $carry8 = $s8->shiftRight(21); $s9 = $s9->addInt64($carry8); $s8 = $s8->subInt64($carry8->shiftLeft(21)); $carry9 = $s9->shiftRight(21); $s10 = $s10->addInt64($carry9); $s9 = $s9->subInt64($carry9->shiftLeft(21)); $carry10 = $s10->shiftRight(21); $s11 = $s11->addInt64($carry10); $s10 = $s10->subInt64($carry10->shiftLeft(21)); $S0 = $s0->toInt32()->toInt(); $S1 = $s1->toInt32()->toInt(); $S2 = $s2->toInt32()->toInt(); $S3 = $s3->toInt32()->toInt(); $S4 = $s4->toInt32()->toInt(); $S5 = $s5->toInt32()->toInt(); $S6 = $s6->toInt32()->toInt(); $S7 = $s7->toInt32()->toInt(); $S8 = $s8->toInt32()->toInt(); $S9 = $s9->toInt32()->toInt(); $S10 = $s10->toInt32()->toInt(); $S11 = $s11->toInt32()->toInt(); /** * @var array<int, int> */ $arr = array( (int) ($S0 >> 0), (int) ($S0 >> 8), (int) (($S0 >> 16) | ($S1 << 5)), (int) ($S1 >> 3), (int) ($S1 >> 11), (int) (($S1 >> 19) | ($S2 << 2)), (int) ($S2 >> 6), (int) (($S2 >> 14) | ($S3 << 7)), (int) ($S3 >> 1), (int) ($S3 >> 9), (int) (($S3 >> 17) | ($S4 << 4)), (int) ($S4 >> 4), (int) ($S4 >> 12), (int) (($S4 >> 20) | ($S5 << 1)), (int) ($S5 >> 7), (int) (($S5 >> 15) | ($S6 << 6)), (int) ($S6 >> 2), (int) ($S6 >> 10), (int) (($S6 >> 18) | ($S7 << 3)), (int) ($S7 >> 5), (int) ($S7 >> 13), (int) ($S8 >> 0), (int) ($S8 >> 8), (int) (($S8 >> 16) | ($S9 << 5)), (int) ($S9 >> 3), (int) ($S9 >> 11), (int) (($S9 >> 19) | ($S10 << 2)), (int) ($S10 >> 6), (int) (($S10 >> 14) | ($S11 << 7)), (int) ($S11 >> 1), (int) ($S11 >> 9), (int) $S11 >> 17 ); return self::intArrayToString($arr); } /** * multiply by the order of the main subgroup l = 2^252+27742317777372353535851937790883648493 * * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3 * @throws SodiumException * @throws TypeError */ public static function ge_mul_l(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A) { $aslide = array( 13, 0, 0, 0, 0, -1, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, -5, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, -13, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, -13, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, -13, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 3, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 7, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ); /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Cached> $Ai size 8 */ $Ai = array(); # ge_p3_to_cached(&Ai[0], A); $Ai[0] = self::ge_p3_to_cached($A); # ge_p3_dbl(&t, A); $t = self::ge_p3_dbl($A); # ge_p1p1_to_p3(&A2, &t); $A2 = self::ge_p1p1_to_p3($t); for ($i = 1; $i < 8; ++$i) { # ge_add(&t, &A2, &Ai[0]); $t = self::ge_add($A2, $Ai[$i - 1]); # ge_p1p1_to_p3(&u, &t); $u = self::ge_p1p1_to_p3($t); # ge_p3_to_cached(&Ai[i], &u); $Ai[$i] = self::ge_p3_to_cached($u); } $r = self::ge_p3_0(); for ($i = 252; $i >= 0; --$i) { $t = self::ge_p3_dbl($r); if ($aslide[$i] > 0) { # ge_p1p1_to_p3(&u, &t); $u = self::ge_p1p1_to_p3($t); # ge_add(&t, &u, &Ai[aslide[i] / 2]); $t = self::ge_add($u, $Ai[(int)($aslide[$i] / 2)]); } elseif ($aslide[$i] < 0) { # ge_p1p1_to_p3(&u, &t); $u = self::ge_p1p1_to_p3($t); # ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); $t = self::ge_sub($u, $Ai[(int)(-$aslide[$i] / 2)]); } } # ge_p1p1_to_p3(r, &t); return self::ge_p1p1_to_p3($t); } } Core32/Curve25519/H.php 0000644 00000324375 14717743076 0010231 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Curve25519_H', false)) { return; } /** * Class ParagonIE_Sodium_Core32_Curve25519_H * * This just contains the constants in the ref10/base.h file */ class ParagonIE_Sodium_Core32_Curve25519_H extends ParagonIE_Sodium_Core32_Util { /** * See: libsodium's crypto_core/curve25519/ref10/base.h * * @var array<int, array<int, array<int, array<int, int>>>> Basically, int[32][8][3][10] */ protected static $base = array( array( array( array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605), array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378), array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546), ), array( array(-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303), array(-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081), array(26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697), ), array( array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024), array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574), array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357), ), array( array(-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540), array(23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397), array(7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325), ), array( array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380), array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306), array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942), ), array( array(-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777), array(-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737), array(-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652), ), array( array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766), array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701), array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300), ), array( array(14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726), array(-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955), array(27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425), ), ), array( array( array(-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171), array(27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510), array(17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660), ), array( array(-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639), array(29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963), array(5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950), ), array( array(-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568), array(12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335), array(25556948, -3045990, 714651, 2510400, 23394682, -10415330, 33119038, 5080568, -22528059, 5376628), ), array( array(-26088264, -4011052, -17013699, -3537628, -6726793, 1920897, -22321305, -9447443, 4535768, 1569007), array(-2255422, 14606630, -21692440, -8039818, 28430649, 8775819, -30494562, 3044290, 31848280, 12543772), array(-22028579, 2943893, -31857513, 6777306, 13784462, -4292203, -27377195, -2062731, 7718482, 14474653), ), array( array(2385315, 2454213, -22631320, 46603, -4437935, -15680415, 656965, -7236665, 24316168, -5253567), array(13741529, 10911568, -33233417, -8603737, -20177830, -1033297, 33040651, -13424532, -20729456, 8321686), array(21060490, -2212744, 15712757, -4336099, 1639040, 10656336, 23845965, -11874838, -9984458, 608372), ), array( array(-13672732, -15087586, -10889693, -7557059, -6036909, 11305547, 1123968, -6780577, 27229399, 23887), array(-23244140, -294205, -11744728, 14712571, -29465699, -2029617, 12797024, -6440308, -1633405, 16678954), array(-29500620, 4770662, -16054387, 14001338, 7830047, 9564805, -1508144, -4795045, -17169265, 4904953), ), array( array(24059557, 14617003, 19037157, -15039908, 19766093, -14906429, 5169211, 16191880, 2128236, -4326833), array(-16981152, 4124966, -8540610, -10653797, 30336522, -14105247, -29806336, 916033, -6882542, -2986532), array(-22630907, 12419372, -7134229, -7473371, -16478904, 16739175, 285431, 2763829, 15736322, 4143876), ), array( array(2379352, 11839345, -4110402, -5988665, 11274298, 794957, 212801, -14594663, 23527084, -16458268), array(33431127, -11130478, -17838966, -15626900, 8909499, 8376530, -32625340, 4087881, -15188911, -14416214), array(1767683, 7197987, -13205226, -2022635, -13091350, 448826, 5799055, 4357868, -4774191, -16323038), ), ), array( array( array(6721966, 13833823, -23523388, -1551314, 26354293, -11863321, 23365147, -3949732, 7390890, 2759800), array(4409041, 2052381, 23373853, 10530217, 7676779, -12885954, 21302353, -4264057, 1244380, -12919645), array(-4421239, 7169619, 4982368, -2957590, 30256825, -2777540, 14086413, 9208236, 15886429, 16489664), ), array( array(1996075, 10375649, 14346367, 13311202, -6874135, -16438411, -13693198, 398369, -30606455, -712933), array(-25307465, 9795880, -2777414, 14878809, -33531835, 14780363, 13348553, 12076947, -30836462, 5113182), array(-17770784, 11797796, 31950843, 13929123, -25888302, 12288344, -30341101, -7336386, 13847711, 5387222), ), array( array(-18582163, -3416217, 17824843, -2340966, 22744343, -10442611, 8763061, 3617786, -19600662, 10370991), array(20246567, -14369378, 22358229, -543712, 18507283, -10413996, 14554437, -8746092, 32232924, 16763880), array(9648505, 10094563, 26416693, 14745928, -30374318, -6472621, 11094161, 15689506, 3140038, -16510092), ), array( array(-16160072, 5472695, 31895588, 4744994, 8823515, 10365685, -27224800, 9448613, -28774454, 366295), array(19153450, 11523972, -11096490, -6503142, -24647631, 5420647, 28344573, 8041113, 719605, 11671788), array(8678025, 2694440, -6808014, 2517372, 4964326, 11152271, -15432916, -15266516, 27000813, -10195553), ), array( array(-15157904, 7134312, 8639287, -2814877, -7235688, 10421742, 564065, 5336097, 6750977, -14521026), array(11836410, -3979488, 26297894, 16080799, 23455045, 15735944, 1695823, -8819122, 8169720, 16220347), array(-18115838, 8653647, 17578566, -6092619, -8025777, -16012763, -11144307, -2627664, -5990708, -14166033), ), array( array(-23308498, -10968312, 15213228, -10081214, -30853605, -11050004, 27884329, 2847284, 2655861, 1738395), array(-27537433, -14253021, -25336301, -8002780, -9370762, 8129821, 21651608, -3239336, -19087449, -11005278), array(1533110, 3437855, 23735889, 459276, 29970501, 11335377, 26030092, 5821408, 10478196, 8544890), ), array( array(32173121, -16129311, 24896207, 3921497, 22579056, -3410854, 19270449, 12217473, 17789017, -3395995), array(-30552961, -2228401, -15578829, -10147201, 13243889, 517024, 15479401, -3853233, 30460520, 1052596), array(-11614875, 13323618, 32618793, 8175907, -15230173, 12596687, 27491595, -4612359, 3179268, -9478891), ), array( array(31947069, -14366651, -4640583, -15339921, -15125977, -6039709, -14756777, -16411740, 19072640, -9511060), array(11685058, 11822410, 3158003, -13952594, 33402194, -4165066, 5977896, -5215017, 473099, 5040608), array(-20290863, 8198642, -27410132, 11602123, 1290375, -2799760, 28326862, 1721092, -19558642, -3131606), ), ), array( array( array(7881532, 10687937, 7578723, 7738378, -18951012, -2553952, 21820786, 8076149, -27868496, 11538389), array(-19935666, 3899861, 18283497, -6801568, -15728660, -11249211, 8754525, 7446702, -5676054, 5797016), array(-11295600, -3793569, -15782110, -7964573, 12708869, -8456199, 2014099, -9050574, -2369172, -5877341), ), array( array(-22472376, -11568741, -27682020, 1146375, 18956691, 16640559, 1192730, -3714199, 15123619, 10811505), array(14352098, -3419715, -18942044, 10822655, 32750596, 4699007, -70363, 15776356, -28886779, -11974553), array(-28241164, -8072475, -4978962, -5315317, 29416931, 1847569, -20654173, -16484855, 4714547, -9600655), ), array( array(15200332, 8368572, 19679101, 15970074, -31872674, 1959451, 24611599, -4543832, -11745876, 12340220), array(12876937, -10480056, 33134381, 6590940, -6307776, 14872440, 9613953, 8241152, 15370987, 9608631), array(-4143277, -12014408, 8446281, -391603, 4407738, 13629032, -7724868, 15866074, -28210621, -8814099), ), array( array(26660628, -15677655, 8393734, 358047, -7401291, 992988, -23904233, 858697, 20571223, 8420556), array(14620715, 13067227, -15447274, 8264467, 14106269, 15080814, 33531827, 12516406, -21574435, -12476749), array(236881, 10476226, 57258, -14677024, 6472998, 2466984, 17258519, 7256740, 8791136, 15069930), ), array( array(1276410, -9371918, 22949635, -16322807, -23493039, -5702186, 14711875, 4874229, -30663140, -2331391), array(5855666, 4990204, -13711848, 7294284, -7804282, 1924647, -1423175, -7912378, -33069337, 9234253), array(20590503, -9018988, 31529744, -7352666, -2706834, 10650548, 31559055, -11609587, 18979186, 13396066), ), array( array(24474287, 4968103, 22267082, 4407354, 24063882, -8325180, -18816887, 13594782, 33514650, 7021958), array(-11566906, -6565505, -21365085, 15928892, -26158305, 4315421, -25948728, -3916677, -21480480, 12868082), array(-28635013, 13504661, 19988037, -2132761, 21078225, 6443208, -21446107, 2244500, -12455797, -8089383), ), array( array(-30595528, 13793479, -5852820, 319136, -25723172, -6263899, 33086546, 8957937, -15233648, 5540521), array(-11630176, -11503902, -8119500, -7643073, 2620056, 1022908, -23710744, -1568984, -16128528, -14962807), array(23152971, 775386, 27395463, 14006635, -9701118, 4649512, 1689819, 892185, -11513277, -15205948), ), array( array(9770129, 9586738, 26496094, 4324120, 1556511, -3550024, 27453819, 4763127, -19179614, 5867134), array(-32765025, 1927590, 31726409, -4753295, 23962434, -16019500, 27846559, 5931263, -29749703, -16108455), array(27461885, -2977536, 22380810, 1815854, -23033753, -3031938, 7283490, -15148073, -19526700, 7734629), ), ), array( array( array(-8010264, -9590817, -11120403, 6196038, 29344158, -13430885, 7585295, -3176626, 18549497, 15302069), array(-32658337, -6171222, -7672793, -11051681, 6258878, 13504381, 10458790, -6418461, -8872242, 8424746), array(24687205, 8613276, -30667046, -3233545, 1863892, -1830544, 19206234, 7134917, -11284482, -828919), ), array( array(11334899, -9218022, 8025293, 12707519, 17523892, -10476071, 10243738, -14685461, -5066034, 16498837), array(8911542, 6887158, -9584260, -6958590, 11145641, -9543680, 17303925, -14124238, 6536641, 10543906), array(-28946384, 15479763, -17466835, 568876, -1497683, 11223454, -2669190, -16625574, -27235709, 8876771), ), array( array(-25742899, -12566864, -15649966, -846607, -33026686, -796288, -33481822, 15824474, -604426, -9039817), array(10330056, 70051, 7957388, -9002667, 9764902, 15609756, 27698697, -4890037, 1657394, 3084098), array(10477963, -7470260, 12119566, -13250805, 29016247, -5365589, 31280319, 14396151, -30233575, 15272409), ), array( array(-12288309, 3169463, 28813183, 16658753, 25116432, -5630466, -25173957, -12636138, -25014757, 1950504), array(-26180358, 9489187, 11053416, -14746161, -31053720, 5825630, -8384306, -8767532, 15341279, 8373727), array(28685821, 7759505, -14378516, -12002860, -31971820, 4079242, 298136, -10232602, -2878207, 15190420), ), array( array(-32932876, 13806336, -14337485, -15794431, -24004620, 10940928, 8669718, 2742393, -26033313, -6875003), array(-1580388, -11729417, -25979658, -11445023, -17411874, -10912854, 9291594, -16247779, -12154742, 6048605), array(-30305315, 14843444, 1539301, 11864366, 20201677, 1900163, 13934231, 5128323, 11213262, 9168384), ), array( array(-26280513, 11007847, 19408960, -940758, -18592965, -4328580, -5088060, -11105150, 20470157, -16398701), array(-23136053, 9282192, 14855179, -15390078, -7362815, -14408560, -22783952, 14461608, 14042978, 5230683), array(29969567, -2741594, -16711867, -8552442, 9175486, -2468974, 21556951, 3506042, -5933891, -12449708), ), array( array(-3144746, 8744661, 19704003, 4581278, -20430686, 6830683, -21284170, 8971513, -28539189, 15326563), array(-19464629, 10110288, -17262528, -3503892, -23500387, 1355669, -15523050, 15300988, -20514118, 9168260), array(-5353335, 4488613, -23803248, 16314347, 7780487, -15638939, -28948358, 9601605, 33087103, -9011387), ), array( array(-19443170, -15512900, -20797467, -12445323, -29824447, 10229461, -27444329, -15000531, -5996870, 15664672), array(23294591, -16632613, -22650781, -8470978, 27844204, 11461195, 13099750, -2460356, 18151676, 13417686), array(-24722913, -4176517, -31150679, 5988919, -26858785, 6685065, 1661597, -12551441, 15271676, -15452665), ), ), array( array( array(11433042, -13228665, 8239631, -5279517, -1985436, -725718, -18698764, 2167544, -6921301, -13440182), array(-31436171, 15575146, 30436815, 12192228, -22463353, 9395379, -9917708, -8638997, 12215110, 12028277), array(14098400, 6555944, 23007258, 5757252, -15427832, -12950502, 30123440, 4617780, -16900089, -655628), ), array( array(-4026201, -15240835, 11893168, 13718664, -14809462, 1847385, -15819999, 10154009, 23973261, -12684474), array(-26531820, -3695990, -1908898, 2534301, -31870557, -16550355, 18341390, -11419951, 32013174, -10103539), array(-25479301, 10876443, -11771086, -14625140, -12369567, 1838104, 21911214, 6354752, 4425632, -837822), ), array( array(-10433389, -14612966, 22229858, -3091047, -13191166, 776729, -17415375, -12020462, 4725005, 14044970), array(19268650, -7304421, 1555349, 8692754, -21474059, -9910664, 6347390, -1411784, -19522291, -16109756), array(-24864089, 12986008, -10898878, -5558584, -11312371, -148526, 19541418, 8180106, 9282262, 10282508), ), array( array(-26205082, 4428547, -8661196, -13194263, 4098402, -14165257, 15522535, 8372215, 5542595, -10702683), array(-10562541, 14895633, 26814552, -16673850, -17480754, -2489360, -2781891, 6993761, -18093885, 10114655), array(-20107055, -929418, 31422704, 10427861, -7110749, 6150669, -29091755, -11529146, 25953725, -106158), ), array( array(-4234397, -8039292, -9119125, 3046000, 2101609, -12607294, 19390020, 6094296, -3315279, 12831125), array(-15998678, 7578152, 5310217, 14408357, -33548620, -224739, 31575954, 6326196, 7381791, -2421839), array(-20902779, 3296811, 24736065, -16328389, 18374254, 7318640, 6295303, 8082724, -15362489, 12339664), ), array( array(27724736, 2291157, 6088201, -14184798, 1792727, 5857634, 13848414, 15768922, 25091167, 14856294), array(-18866652, 8331043, 24373479, 8541013, -701998, -9269457, 12927300, -12695493, -22182473, -9012899), array(-11423429, -5421590, 11632845, 3405020, 30536730, -11674039, -27260765, 13866390, 30146206, 9142070), ), array( 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-7961101, 1083432, -11572403, 22828471, 13290673, -7125085, 12469656, 29111212, -5451014), ), array( array(24244947, -15050407, -26262976, 2791540, -14997599, 16666678, 24367466, 6388839, -10295587, 452383), array(-25640782, -3417841, 5217916, 16224624, 19987036, -4082269, -24236251, -5915248, 15766062, 8407814), array(-20406999, 13990231, 15495425, 16395525, 5377168, 15166495, -8917023, -4388953, -8067909, 2276718), ), array( array(30157918, 12924066, -17712050, 9245753, 19895028, 3368142, -23827587, 5096219, 22740376, -7303417), array(2041139, -14256350, 7783687, 13876377, -25946985, -13352459, 24051124, 13742383, -15637599, 13295222), array(33338237, -8505733, 12532113, 7977527, 9106186, -1715251, -17720195, -4612972, -4451357, -14669444), ), array( array(-20045281, 5454097, -14346548, 6447146, 28862071, 1883651, -2469266, -4141880, 7770569, 9620597), array(23208068, 7979712, 33071466, 8149229, 1758231, -10834995, 30945528, -1694323, -33502340, -14767970), array(1439958, -16270480, -1079989, -793782, 4625402, 10647766, -5043801, 1220118, 30494170, -11440799), ), array( array(-5037580, -13028295, -2970559, -3061767, 15640974, -6701666, -26739026, 926050, -1684339, -13333647), array(13908495, -3549272, 30919928, -6273825, -21521863, 7989039, 9021034, 9078865, 3353509, 4033511), array(-29663431, -15113610, 32259991, -344482, 24295849, -12912123, 23161163, 8839127, 27485041, 7356032), ), ), array( array( array(9661027, 705443, 11980065, -5370154, -1628543, 14661173, -6346142, 2625015, 28431036, -16771834), array(-23839233, -8311415, -25945511, 7480958, -17681669, -8354183, -22545972, 14150565, 15970762, 4099461), array(29262576, 16756590, 26350592, -8793563, 8529671, -11208050, 13617293, -9937143, 11465739, 8317062), ), array( array(-25493081, -6962928, 32500200, -9419051, -23038724, -2302222, 14898637, 3848455, 20969334, -5157516), array(-20384450, -14347713, -18336405, 13884722, -33039454, 2842114, -21610826, -3649888, 11177095, 14989547), array(-24496721, -11716016, 16959896, 2278463, 12066309, 10137771, 13515641, 2581286, -28487508, 9930240), ), array( array(-17751622, -2097826, 16544300, -13009300, -15914807, -14949081, 18345767, -13403753, 16291481, -5314038), array(-33229194, 2553288, 32678213, 9875984, 8534129, 6889387, -9676774, 6957617, 4368891, 9788741), array(16660756, 7281060, -10830758, 12911820, 20108584, -8101676, -21722536, -8613148, 16250552, -11111103), ), array( array(-19765507, 2390526, -16551031, 14161980, 1905286, 6414907, 4689584, 10604807, -30190403, 4782747), array(-1354539, 14736941, -7367442, -13292886, 7710542, -14155590, -9981571, 4383045, 22546403, 437323), array(31665577, -12180464, -16186830, 1491339, -18368625, 3294682, 27343084, 2786261, -30633590, -14097016), ), array( array(-14467279, -683715, -33374107, 7448552, 19294360, 14334329, -19690631, 2355319, -19284671, -6114373), array(15121312, -15796162, 6377020, -6031361, -10798111, -12957845, 18952177, 15496498, -29380133, 11754228), array(-2637277, -13483075, 8488727, -14303896, 12728761, -1622493, 7141596, 11724556, 22761615, -10134141), ), array( array(16918416, 11729663, -18083579, 3022987, -31015732, -13339659, -28741185, -12227393, 32851222, 11717399), array(11166634, 7338049, -6722523, 4531520, -29468672, -7302055, 31474879, 3483633, -1193175, -4030831), array(-185635, 9921305, 31456609, -13536438, -12013818, 13348923, 33142652, 6546660, -19985279, -3948376), ), array( array(-32460596, 11266712, -11197107, -7899103, 31703694, 3855903, -8537131, -12833048, -30772034, -15486313), array(-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958), array(-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577), ), array( array(-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743), array(29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684), array(-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476), ), ) ); /** * See: libsodium's crypto_core/curve25519/ref10/base2.h * * @var array<int, array<int, array<int, int>>> basically int[8][3] */ protected static $base2 = array( array( array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605), array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378), array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546), ), array( array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024), array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574), array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357), ), array( array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380), array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306), array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942), ), array( array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766), array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701), array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300), ), array( array(-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877), array(-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951), array(4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784), ), array( array(-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436), array(25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918), array(23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877), ), array( array(-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800), array(-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305), array(-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300), ), array( array(-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876), array(-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619), array(-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683), ) ); /** * 37095705934669439343138083508754565189542113879843219016388785533085940283555 * * @var array<int, int> */ protected static $d = array( -10913610, 13857413, -15372611, 6949391, 114729, -8787816, -6275908, -3247719, -18696448, -12055116 ); /** * 2 * d = 16295367250680780974490674513165176452449235426866156013048779062215315747161 * * @var array<int, int> */ protected static $d2 = array( -21827239, -5839606, -30745221, 13898782, 229458, 15978800, -12551817, -6495438, 29715968, 9444199 ); /** * sqrt(-1) * * @var array<int, int> */ protected static $sqrtm1 = array( -32595792, -7943725, 9377950, 3500415, 12389472, -272473, -25146209, -2005654, 326686, 11406482 ); } Core32/Curve25519/Ge/Precomp.php 0000644 00000002775 14717743076 0011777 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp', false)) { return; } /** * Class ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp */ class ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp { /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $yplusx; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $yminusx; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $xy2d; /** * ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp constructor. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe $yplusx * @param ParagonIE_Sodium_Core32_Curve25519_Fe $yminusx * @param ParagonIE_Sodium_Core32_Curve25519_Fe $xy2d * @throws SodiumException * @throws TypeError */ public function __construct( ParagonIE_Sodium_Core32_Curve25519_Fe $yplusx = null, ParagonIE_Sodium_Core32_Curve25519_Fe $yminusx = null, ParagonIE_Sodium_Core32_Curve25519_Fe $xy2d = null ) { if ($yplusx === null) { $yplusx = ParagonIE_Sodium_Core32_Curve25519::fe_0(); } $this->yplusx = $yplusx; if ($yminusx === null) { $yminusx = ParagonIE_Sodium_Core32_Curve25519::fe_0(); } $this->yminusx = $yminusx; if ($xy2d === null) { $xy2d = ParagonIE_Sodium_Core32_Curve25519::fe_0(); } $this->xy2d = $xy2d; } } Core32/Curve25519/Ge/P3.php 0000644 00000003242 14717743076 0010642 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_P3', false)) { return; } /** * Class ParagonIE_Sodium_Core32_Curve25519_Ge_P3 */ class ParagonIE_Sodium_Core32_Curve25519_Ge_P3 { /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $X; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $Y; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $Z; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $T; /** * ParagonIE_Sodium_Core32_Curve25519_Ge_P3 constructor. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $x * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $y * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $z * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $t */ public function __construct( ParagonIE_Sodium_Core32_Curve25519_Fe $x = null, ParagonIE_Sodium_Core32_Curve25519_Fe $y = null, ParagonIE_Sodium_Core32_Curve25519_Fe $z = null, ParagonIE_Sodium_Core32_Curve25519_Fe $t = null ) { if ($x === null) { $x = new ParagonIE_Sodium_Core32_Curve25519_Fe(); } $this->X = $x; if ($y === null) { $y = new ParagonIE_Sodium_Core32_Curve25519_Fe(); } $this->Y = $y; if ($z === null) { $z = new ParagonIE_Sodium_Core32_Curve25519_Fe(); } $this->Z = $z; if ($t === null) { $t = new ParagonIE_Sodium_Core32_Curve25519_Fe(); } $this->T = $t; } } Core32/Curve25519/Ge/Cached.php 0000644 00000003415 14717743076 0011531 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_Cached', false)) { return; } /** * Class ParagonIE_Sodium_Core32_Curve25519_Ge_Cached */ class ParagonIE_Sodium_Core32_Curve25519_Ge_Cached { /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $YplusX; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $YminusX; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $Z; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $T2d; /** * ParagonIE_Sodium_Core32_Curve25519_Ge_Cached constructor. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $YplusX * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $YminusX * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $Z * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $T2d */ public function __construct( ParagonIE_Sodium_Core32_Curve25519_Fe $YplusX = null, ParagonIE_Sodium_Core32_Curve25519_Fe $YminusX = null, ParagonIE_Sodium_Core32_Curve25519_Fe $Z = null, ParagonIE_Sodium_Core32_Curve25519_Fe $T2d = null ) { if ($YplusX === null) { $YplusX = new ParagonIE_Sodium_Core32_Curve25519_Fe(); } $this->YplusX = $YplusX; if ($YminusX === null) { $YminusX = new ParagonIE_Sodium_Core32_Curve25519_Fe(); } $this->YminusX = $YminusX; if ($Z === null) { $Z = new ParagonIE_Sodium_Core32_Curve25519_Fe(); } $this->Z = $Z; if ($T2d === null) { $T2d = new ParagonIE_Sodium_Core32_Curve25519_Fe(); } $this->T2d = $T2d; } } Core32/Curve25519/Ge/P1p1.php 0000644 00000003344 14717743076 0011104 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1', false)) { return; } /** * Class ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 */ class ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 { /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $X; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $Y; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $Z; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $T; /** * ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 constructor. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $x * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $y * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $z * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $t * * @throws SodiumException * @throws TypeError */ public function __construct( ParagonIE_Sodium_Core32_Curve25519_Fe $x = null, ParagonIE_Sodium_Core32_Curve25519_Fe $y = null, ParagonIE_Sodium_Core32_Curve25519_Fe $z = null, ParagonIE_Sodium_Core32_Curve25519_Fe $t = null ) { if ($x === null) { $x = ParagonIE_Sodium_Core32_Curve25519::fe_0(); } $this->X = $x; if ($y === null) { $y = ParagonIE_Sodium_Core32_Curve25519::fe_0(); } $this->Y = $y; if ($z === null) { $z = ParagonIE_Sodium_Core32_Curve25519::fe_0(); } $this->Z = $z; if ($t === null) { $t = ParagonIE_Sodium_Core32_Curve25519::fe_0(); } $this->T = $t; } } Core32/Curve25519/Ge/P2.php 0000644 00000002541 14717743076 0010642 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_P2', false)) { return; } /** * Class ParagonIE_Sodium_Core32_Curve25519_Ge_P2 */ class ParagonIE_Sodium_Core32_Curve25519_Ge_P2 { /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $X; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $Y; /** * @var ParagonIE_Sodium_Core32_Curve25519_Fe */ public $Z; /** * ParagonIE_Sodium_Core32_Curve25519_Ge_P2 constructor. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $x * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $y * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $z */ public function __construct( ParagonIE_Sodium_Core32_Curve25519_Fe $x = null, ParagonIE_Sodium_Core32_Curve25519_Fe $y = null, ParagonIE_Sodium_Core32_Curve25519_Fe $z = null ) { if ($x === null) { $x = new ParagonIE_Sodium_Core32_Curve25519_Fe(); } $this->X = $x; if ($y === null) { $y = new ParagonIE_Sodium_Core32_Curve25519_Fe(); } $this->Y = $y; if ($z === null) { $z = new ParagonIE_Sodium_Core32_Curve25519_Fe(); } $this->Z = $z; } } Core32/Curve25519/Fe.php 0000644 00000012572 14717743076 0010365 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Fe', false)) { return; } /** * Class ParagonIE_Sodium_Core32_Curve25519_Fe * * This represents a Field Element */ class ParagonIE_Sodium_Core32_Curve25519_Fe implements ArrayAccess { /** * @var array<int, ParagonIE_Sodium_Core32_Int32> */ protected $container = array(); /** * @var int */ protected $size = 10; /** * @internal You should not use this directly from another application * * @param array<int, ParagonIE_Sodium_Core32_Int32> $array * @param bool $save_indexes * @return self * @throws SodiumException * @throws TypeError */ public static function fromArray($array, $save_indexes = null) { $count = count($array); if ($save_indexes) { $keys = array_keys($array); } else { $keys = range(0, $count - 1); } $array = array_values($array); $obj = new ParagonIE_Sodium_Core32_Curve25519_Fe(); if ($save_indexes) { for ($i = 0; $i < $count; ++$i) { $array[$i]->overflow = 0; $obj->offsetSet($keys[$i], $array[$i]); } } else { for ($i = 0; $i < $count; ++$i) { if (!($array[$i] instanceof ParagonIE_Sodium_Core32_Int32)) { throw new TypeError('Expected ParagonIE_Sodium_Core32_Int32'); } $array[$i]->overflow = 0; $obj->offsetSet($i, $array[$i]); } } return $obj; } /** * @internal You should not use this directly from another application * * @param array<int, int> $array * @param bool $save_indexes * @return self * @throws SodiumException * @throws TypeError */ public static function fromIntArray($array, $save_indexes = null) { $count = count($array); if ($save_indexes) { $keys = array_keys($array); } else { $keys = range(0, $count - 1); } $array = array_values($array); $set = array(); /** @var int $i */ /** @var int $v */ foreach ($array as $i => $v) { $set[$i] = ParagonIE_Sodium_Core32_Int32::fromInt($v); } $obj = new ParagonIE_Sodium_Core32_Curve25519_Fe(); if ($save_indexes) { for ($i = 0; $i < $count; ++$i) { $set[$i]->overflow = 0; $obj->offsetSet($keys[$i], $set[$i]); } } else { for ($i = 0; $i < $count; ++$i) { $set[$i]->overflow = 0; $obj->offsetSet($i, $set[$i]); } } return $obj; } /** * @internal You should not use this directly from another application * * @param mixed $offset * @param mixed $value * @return void * @throws SodiumException * @throws TypeError */ #[ReturnTypeWillChange] public function offsetSet($offset, $value) { if (!($value instanceof ParagonIE_Sodium_Core32_Int32)) { throw new InvalidArgumentException('Expected an instance of ParagonIE_Sodium_Core32_Int32'); } if (is_null($offset)) { $this->container[] = $value; } else { ParagonIE_Sodium_Core32_Util::declareScalarType($offset, 'int', 1); $this->container[(int) $offset] = $value; } } /** * @internal You should not use this directly from another application * * @param mixed $offset * @return bool * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetExists($offset) { return isset($this->container[$offset]); } /** * @internal You should not use this directly from another application * * @param mixed $offset * @return void * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetUnset($offset) { unset($this->container[$offset]); } /** * @internal You should not use this directly from another application * * @param mixed $offset * @return ParagonIE_Sodium_Core32_Int32 * @psalm-suppress MixedArrayOffset */ #[ReturnTypeWillChange] public function offsetGet($offset) { if (!isset($this->container[$offset])) { $this->container[(int) $offset] = new ParagonIE_Sodium_Core32_Int32(); } /** @var ParagonIE_Sodium_Core32_Int32 $get */ $get = $this->container[$offset]; return $get; } /** * @internal You should not use this directly from another application * * @return array */ public function __debugInfo() { if (empty($this->container)) { return array(); } $c = array( (int) ($this->container[0]->toInt()), (int) ($this->container[1]->toInt()), (int) ($this->container[2]->toInt()), (int) ($this->container[3]->toInt()), (int) ($this->container[4]->toInt()), (int) ($this->container[5]->toInt()), (int) ($this->container[6]->toInt()), (int) ($this->container[7]->toInt()), (int) ($this->container[8]->toInt()), (int) ($this->container[9]->toInt()) ); return array(implode(', ', $c)); } } Core32/Curve25519/README.md 0000644 00000000332 14717743076 0010570 0 ustar 00 # Curve25519 Data Structures These are PHP implementation of the [structs used in the ref10 curve25519 code](https://github.com/jedisct1/libsodium/blob/master/src/libsodium/include/sodium/private/curve25519_ref10.h). Core32/HSalsa20.php 0000644 00000015435 14717743076 0007657 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_HSalsa20', false)) { return; } /** * Class ParagonIE_Sodium_Core32_HSalsa20 */ abstract class ParagonIE_Sodium_Core32_HSalsa20 extends ParagonIE_Sodium_Core32_Salsa20 { /** * Calculate an hsalsa20 hash of a single block * * HSalsa20 doesn't have a counter and will never be used for more than * one block (used to derive a subkey for xsalsa20). * * @internal You should not use this directly from another application * * @param string $in * @param string $k * @param string|null $c * @return string * @throws SodiumException * @throws TypeError */ public static function hsalsa20($in, $k, $c = null) { /** * @var ParagonIE_Sodium_Core32_Int32 $x0 * @var ParagonIE_Sodium_Core32_Int32 $x1 * @var ParagonIE_Sodium_Core32_Int32 $x2 * @var ParagonIE_Sodium_Core32_Int32 $x3 * @var ParagonIE_Sodium_Core32_Int32 $x4 * @var ParagonIE_Sodium_Core32_Int32 $x5 * @var ParagonIE_Sodium_Core32_Int32 $x6 * @var ParagonIE_Sodium_Core32_Int32 $x7 * @var ParagonIE_Sodium_Core32_Int32 $x8 * @var ParagonIE_Sodium_Core32_Int32 $x9 * @var ParagonIE_Sodium_Core32_Int32 $x10 * @var ParagonIE_Sodium_Core32_Int32 $x11 * @var ParagonIE_Sodium_Core32_Int32 $x12 * @var ParagonIE_Sodium_Core32_Int32 $x13 * @var ParagonIE_Sodium_Core32_Int32 $x14 * @var ParagonIE_Sodium_Core32_Int32 $x15 * @var ParagonIE_Sodium_Core32_Int32 $j0 * @var ParagonIE_Sodium_Core32_Int32 $j1 * @var ParagonIE_Sodium_Core32_Int32 $j2 * @var ParagonIE_Sodium_Core32_Int32 $j3 * @var ParagonIE_Sodium_Core32_Int32 $j4 * @var ParagonIE_Sodium_Core32_Int32 $j5 * @var ParagonIE_Sodium_Core32_Int32 $j6 * @var ParagonIE_Sodium_Core32_Int32 $j7 * @var ParagonIE_Sodium_Core32_Int32 $j8 * @var ParagonIE_Sodium_Core32_Int32 $j9 * @var ParagonIE_Sodium_Core32_Int32 $j10 * @var ParagonIE_Sodium_Core32_Int32 $j11 * @var ParagonIE_Sodium_Core32_Int32 $j12 * @var ParagonIE_Sodium_Core32_Int32 $j13 * @var ParagonIE_Sodium_Core32_Int32 $j14 * @var ParagonIE_Sodium_Core32_Int32 $j15 */ if (self::strlen($k) < 32) { throw new RangeException('Key must be 32 bytes long'); } if ($c === null) { $x0 = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865)); $x5 = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e)); $x10 = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32)); $x15 = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574)); } else { $x0 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4)); $x5 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4)); $x10 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4)); $x15 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4)); } $x1 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 0, 4)); $x2 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 4, 4)); $x3 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 8, 4)); $x4 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 12, 4)); $x6 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4)); $x7 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4)); $x8 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4)); $x9 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4)); $x11 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 16, 4)); $x12 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 20, 4)); $x13 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 24, 4)); $x14 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 28, 4)); for ($i = self::ROUNDS; $i > 0; $i -= 2) { $x4 = $x4->xorInt32($x0->addInt32($x12)->rotateLeft(7)); $x8 = $x8->xorInt32($x4->addInt32($x0)->rotateLeft(9)); $x12 = $x12->xorInt32($x8->addInt32($x4)->rotateLeft(13)); $x0 = $x0->xorInt32($x12->addInt32($x8)->rotateLeft(18)); $x9 = $x9->xorInt32($x5->addInt32($x1)->rotateLeft(7)); $x13 = $x13->xorInt32($x9->addInt32($x5)->rotateLeft(9)); $x1 = $x1->xorInt32($x13->addInt32($x9)->rotateLeft(13)); $x5 = $x5->xorInt32($x1->addInt32($x13)->rotateLeft(18)); $x14 = $x14->xorInt32($x10->addInt32($x6)->rotateLeft(7)); $x2 = $x2->xorInt32($x14->addInt32($x10)->rotateLeft(9)); $x6 = $x6->xorInt32($x2->addInt32($x14)->rotateLeft(13)); $x10 = $x10->xorInt32($x6->addInt32($x2)->rotateLeft(18)); $x3 = $x3->xorInt32($x15->addInt32($x11)->rotateLeft(7)); $x7 = $x7->xorInt32($x3->addInt32($x15)->rotateLeft(9)); $x11 = $x11->xorInt32($x7->addInt32($x3)->rotateLeft(13)); $x15 = $x15->xorInt32($x11->addInt32($x7)->rotateLeft(18)); $x1 = $x1->xorInt32($x0->addInt32($x3)->rotateLeft(7)); $x2 = $x2->xorInt32($x1->addInt32($x0)->rotateLeft(9)); $x3 = $x3->xorInt32($x2->addInt32($x1)->rotateLeft(13)); $x0 = $x0->xorInt32($x3->addInt32($x2)->rotateLeft(18)); $x6 = $x6->xorInt32($x5->addInt32($x4)->rotateLeft(7)); $x7 = $x7->xorInt32($x6->addInt32($x5)->rotateLeft(9)); $x4 = $x4->xorInt32($x7->addInt32($x6)->rotateLeft(13)); $x5 = $x5->xorInt32($x4->addInt32($x7)->rotateLeft(18)); $x11 = $x11->xorInt32($x10->addInt32($x9)->rotateLeft(7)); $x8 = $x8->xorInt32($x11->addInt32($x10)->rotateLeft(9)); $x9 = $x9->xorInt32($x8->addInt32($x11)->rotateLeft(13)); $x10 = $x10->xorInt32($x9->addInt32($x8)->rotateLeft(18)); $x12 = $x12->xorInt32($x15->addInt32($x14)->rotateLeft(7)); $x13 = $x13->xorInt32($x12->addInt32($x15)->rotateLeft(9)); $x14 = $x14->xorInt32($x13->addInt32($x12)->rotateLeft(13)); $x15 = $x15->xorInt32($x14->addInt32($x13)->rotateLeft(18)); } return $x0->toReverseString() . $x5->toReverseString() . $x10->toReverseString() . $x15->toReverseString() . $x6->toReverseString() . $x7->toReverseString() . $x8->toReverseString() . $x9->toReverseString(); } } Core32/Int32.php 0000644 00000060004 14717743076 0007231 0 ustar 00 <?php /** * Class ParagonIE_Sodium_Core32_Int32 * * Encapsulates a 32-bit integer. * * These are immutable. It always returns a new instance. */ class ParagonIE_Sodium_Core32_Int32 { /** * @var array<int, int> - two 16-bit integers * * 0 is the higher 16 bits * 1 is the lower 16 bits */ public $limbs = array(0, 0); /** * @var int */ public $overflow = 0; /** * @var bool */ public $unsignedInt = false; /** * ParagonIE_Sodium_Core32_Int32 constructor. * @param array $array * @param bool $unsignedInt */ public function __construct($array = array(0, 0), $unsignedInt = false) { $this->limbs = array( (int) $array[0], (int) $array[1] ); $this->overflow = 0; $this->unsignedInt = $unsignedInt; } /** * Adds two int32 objects * * @param ParagonIE_Sodium_Core32_Int32 $addend * @return ParagonIE_Sodium_Core32_Int32 */ public function addInt32(ParagonIE_Sodium_Core32_Int32 $addend) { $i0 = $this->limbs[0]; $i1 = $this->limbs[1]; $j0 = $addend->limbs[0]; $j1 = $addend->limbs[1]; $r1 = $i1 + ($j1 & 0xffff); $carry = $r1 >> 16; $r0 = $i0 + ($j0 & 0xffff) + $carry; $carry = $r0 >> 16; $r0 &= 0xffff; $r1 &= 0xffff; $return = new ParagonIE_Sodium_Core32_Int32( array($r0, $r1) ); $return->overflow = $carry; $return->unsignedInt = $this->unsignedInt; return $return; } /** * Adds a normal integer to an int32 object * * @param int $int * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError */ public function addInt($int) { ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); /** @var int $int */ $int = (int) $int; $int = (int) $int; $i0 = $this->limbs[0]; $i1 = $this->limbs[1]; $r1 = $i1 + ($int & 0xffff); $carry = $r1 >> 16; $r0 = $i0 + (($int >> 16) & 0xffff) + $carry; $carry = $r0 >> 16; $r0 &= 0xffff; $r1 &= 0xffff; $return = new ParagonIE_Sodium_Core32_Int32( array($r0, $r1) ); $return->overflow = $carry; $return->unsignedInt = $this->unsignedInt; return $return; } /** * @param int $b * @return int */ public function compareInt($b = 0) { $gt = 0; $eq = 1; $i = 2; $j = 0; while ($i > 0) { --$i; /** @var int $x1 */ $x1 = $this->limbs[$i]; /** @var int $x2 */ $x2 = ($b >> ($j << 4)) & 0xffff; /** @var int $gt */ $gt |= (($x2 - $x1) >> 8) & $eq; /** @var int $eq */ $eq &= (($x2 ^ $x1) - 1) >> 8; } return ($gt + $gt - $eq) + 1; } /** * @param int $m * @return ParagonIE_Sodium_Core32_Int32 */ public function mask($m = 0) { /** @var int $hi */ $hi = ((int) $m >> 16); $hi &= 0xffff; /** @var int $lo */ $lo = ((int) $m) & 0xffff; return new ParagonIE_Sodium_Core32_Int32( array( (int) ($this->limbs[0] & $hi), (int) ($this->limbs[1] & $lo) ), $this->unsignedInt ); } /** * @param array<int, int> $a * @param array<int, int> $b * @param int $baseLog2 * @return array<int, int> */ public function multiplyLong(array $a, array $b, $baseLog2 = 16) { $a_l = count($a); $b_l = count($b); /** @var array<int, int> $r */ $r = array_fill(0, $a_l + $b_l + 1, 0); $base = 1 << $baseLog2; for ($i = 0; $i < $a_l; ++$i) { $a_i = $a[$i]; for ($j = 0; $j < $a_l; ++$j) { $b_j = $b[$j]; $product = ($a_i * $b_j) + $r[$i + $j]; $carry = ((int) $product >> $baseLog2 & 0xffff); $r[$i + $j] = ((int) $product - (int) ($carry * $base)) & 0xffff; $r[$i + $j + 1] += $carry; } } return array_slice($r, 0, 5); } /** * @param int $int * @return ParagonIE_Sodium_Core32_Int32 */ public function mulIntFast($int) { // Handle negative numbers $aNeg = ($this->limbs[0] >> 15) & 1; $bNeg = ($int >> 31) & 1; $a = array_reverse($this->limbs); $b = array( $int & 0xffff, ($int >> 16) & 0xffff ); if ($aNeg) { for ($i = 0; $i < 2; ++$i) { $a[$i] = ($a[$i] ^ 0xffff) & 0xffff; } ++$a[0]; } if ($bNeg) { for ($i = 0; $i < 2; ++$i) { $b[$i] = ($b[$i] ^ 0xffff) & 0xffff; } ++$b[0]; } // Multiply $res = $this->multiplyLong($a, $b); // Re-apply negation to results if ($aNeg !== $bNeg) { for ($i = 0; $i < 2; ++$i) { $res[$i] = (0xffff ^ $res[$i]) & 0xffff; } // Handle integer overflow $c = 1; for ($i = 0; $i < 2; ++$i) { $res[$i] += $c; $c = $res[$i] >> 16; $res[$i] &= 0xffff; } } // Return our values $return = new ParagonIE_Sodium_Core32_Int32(); $return->limbs = array( $res[1] & 0xffff, $res[0] & 0xffff ); if (count($res) > 2) { $return->overflow = $res[2] & 0xffff; } $return->unsignedInt = $this->unsignedInt; return $return; } /** * @param ParagonIE_Sodium_Core32_Int32 $right * @return ParagonIE_Sodium_Core32_Int32 */ public function mulInt32Fast(ParagonIE_Sodium_Core32_Int32 $right) { $aNeg = ($this->limbs[0] >> 15) & 1; $bNeg = ($right->limbs[0] >> 15) & 1; $a = array_reverse($this->limbs); $b = array_reverse($right->limbs); if ($aNeg) { for ($i = 0; $i < 2; ++$i) { $a[$i] = ($a[$i] ^ 0xffff) & 0xffff; } ++$a[0]; } if ($bNeg) { for ($i = 0; $i < 2; ++$i) { $b[$i] = ($b[$i] ^ 0xffff) & 0xffff; } ++$b[0]; } $res = $this->multiplyLong($a, $b); if ($aNeg !== $bNeg) { if ($aNeg !== $bNeg) { for ($i = 0; $i < 2; ++$i) { $res[$i] = ($res[$i] ^ 0xffff) & 0xffff; } $c = 1; for ($i = 0; $i < 2; ++$i) { $res[$i] += $c; $c = $res[$i] >> 16; $res[$i] &= 0xffff; } } } $return = new ParagonIE_Sodium_Core32_Int32(); $return->limbs = array( $res[1] & 0xffff, $res[0] & 0xffff ); if (count($res) > 2) { $return->overflow = $res[2]; } return $return; } /** * @param int $int * @param int $size * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError */ public function mulInt($int = 0, $size = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2); if (ParagonIE_Sodium_Compat::$fastMult) { return $this->mulIntFast((int) $int); } /** @var int $int */ $int = (int) $int; /** @var int $size */ $size = (int) $size; if (!$size) { $size = 31; } /** @var int $size */ $a = clone $this; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; // Initialize: $ret0 = 0; $ret1 = 0; $a0 = $a->limbs[0]; $a1 = $a->limbs[1]; /** @var int $size */ /** @var int $i */ for ($i = $size; $i >= 0; --$i) { $m = (int) (-($int & 1)); $x0 = $a0 & $m; $x1 = $a1 & $m; $ret1 += $x1; $c = $ret1 >> 16; $ret0 += $x0 + $c; $ret0 &= 0xffff; $ret1 &= 0xffff; $a1 = ($a1 << 1); $x1 = $a1 >> 16; $a0 = ($a0 << 1) | $x1; $a0 &= 0xffff; $a1 &= 0xffff; $int >>= 1; } $return->limbs[0] = $ret0; $return->limbs[1] = $ret1; return $return; } /** * @param ParagonIE_Sodium_Core32_Int32 $int * @param int $size * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError */ public function mulInt32(ParagonIE_Sodium_Core32_Int32 $int, $size = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2); if (ParagonIE_Sodium_Compat::$fastMult) { return $this->mulInt32Fast($int); } if (!$size) { $size = 31; } /** @var int $size */ $a = clone $this; $b = clone $int; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; // Initialize: $ret0 = 0; $ret1 = 0; $a0 = $a->limbs[0]; $a1 = $a->limbs[1]; $b0 = $b->limbs[0]; $b1 = $b->limbs[1]; /** @var int $size */ /** @var int $i */ for ($i = $size; $i >= 0; --$i) { $m = (int) (-($b1 & 1)); $x0 = $a0 & $m; $x1 = $a1 & $m; $ret1 += $x1; $c = $ret1 >> 16; $ret0 += $x0 + $c; $ret0 &= 0xffff; $ret1 &= 0xffff; $a1 = ($a1 << 1); $x1 = $a1 >> 16; $a0 = ($a0 << 1) | $x1; $a0 &= 0xffff; $a1 &= 0xffff; $x0 = ($b0 & 1) << 16; $b0 = ($b0 >> 1); $b1 = (($b1 | $x0) >> 1); $b0 &= 0xffff; $b1 &= 0xffff; } $return->limbs[0] = $ret0; $return->limbs[1] = $ret1; return $return; } /** * OR this 32-bit integer with another. * * @param ParagonIE_Sodium_Core32_Int32 $b * @return ParagonIE_Sodium_Core32_Int32 */ public function orInt32(ParagonIE_Sodium_Core32_Int32 $b) { $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $return->limbs = array( (int) ($this->limbs[0] | $b->limbs[0]), (int) ($this->limbs[1] | $b->limbs[1]) ); /** @var int overflow */ $return->overflow = $this->overflow | $b->overflow; return $return; } /** * @param int $b * @return bool */ public function isGreaterThan($b = 0) { return $this->compareInt($b) > 0; } /** * @param int $b * @return bool */ public function isLessThanInt($b = 0) { return $this->compareInt($b) < 0; } /** * @param int $c * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArrayAccess */ public function rotateLeft($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); /** @var int $c */ $c = (int) $c; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $c &= 31; if ($c === 0) { // NOP, but we want a copy. $return->limbs = $this->limbs; } else { /** @var int $c */ /** @var int $idx_shift */ $idx_shift = ($c >> 4) & 1; /** @var int $sub_shift */ $sub_shift = $c & 15; /** @var array<int, int> $limbs */ $limbs =& $return->limbs; /** @var array<int, int> $myLimbs */ $myLimbs =& $this->limbs; for ($i = 1; $i >= 0; --$i) { /** @var int $j */ $j = ($i + $idx_shift) & 1; /** @var int $k */ $k = ($i + $idx_shift + 1) & 1; $limbs[$i] = (int) ( ( ((int) ($myLimbs[$j]) << $sub_shift) | ((int) ($myLimbs[$k]) >> (16 - $sub_shift)) ) & 0xffff ); } } return $return; } /** * Rotate to the right * * @param int $c * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArrayAccess */ public function rotateRight($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); /** @var int $c */ $c = (int) $c; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $c &= 31; /** @var int $c */ if ($c === 0) { // NOP, but we want a copy. $return->limbs = $this->limbs; } else { /** @var int $c */ /** @var int $idx_shift */ $idx_shift = ($c >> 4) & 1; /** @var int $sub_shift */ $sub_shift = $c & 15; /** @var array<int, int> $limbs */ $limbs =& $return->limbs; /** @var array<int, int> $myLimbs */ $myLimbs =& $this->limbs; for ($i = 1; $i >= 0; --$i) { /** @var int $j */ $j = ($i - $idx_shift) & 1; /** @var int $k */ $k = ($i - $idx_shift - 1) & 1; $limbs[$i] = (int) ( ( ((int) ($myLimbs[$j]) >> (int) ($sub_shift)) | ((int) ($myLimbs[$k]) << (16 - (int) ($sub_shift))) ) & 0xffff ); } } return $return; } /** * @param bool $bool * @return self */ public function setUnsignedInt($bool = false) { $this->unsignedInt = !empty($bool); return $this; } /** * @param int $c * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError */ public function shiftLeft($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); /** @var int $c */ $c = (int) $c; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $c &= 63; /** @var int $c */ if ($c === 0) { $return->limbs = $this->limbs; } elseif ($c < 0) { /** @var int $c */ return $this->shiftRight(-$c); } else { /** @var int $c */ /** @var int $tmp */ $tmp = $this->limbs[1] << $c; $return->limbs[1] = (int)($tmp & 0xffff); /** @var int $carry */ $carry = $tmp >> 16; /** @var int $tmp */ $tmp = ($this->limbs[0] << $c) | ($carry & 0xffff); $return->limbs[0] = (int) ($tmp & 0xffff); } return $return; } /** * @param int $c * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedAssignment * @psalm-suppress MixedOperand */ public function shiftRight($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); /** @var int $c */ $c = (int) $c; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $c &= 63; /** @var int $c */ if ($c >= 16) { $return->limbs = array( (int) ($this->overflow & 0xffff), (int) ($this->limbs[0]) ); $return->overflow = $this->overflow >> 16; return $return->shiftRight($c & 15); } if ($c === 0) { $return->limbs = $this->limbs; } elseif ($c < 0) { /** @var int $c */ return $this->shiftLeft(-$c); } else { if (!is_int($c)) { throw new TypeError(); } /** @var int $c */ // $return->limbs[0] = (int) (($this->limbs[0] >> $c) & 0xffff); $carryLeft = (int) ($this->overflow & ((1 << ($c + 1)) - 1)); $return->limbs[0] = (int) ((($this->limbs[0] >> $c) | ($carryLeft << (16 - $c))) & 0xffff); $carryRight = (int) ($this->limbs[0] & ((1 << ($c + 1)) - 1)); $return->limbs[1] = (int) ((($this->limbs[1] >> $c) | ($carryRight << (16 - $c))) & 0xffff); $return->overflow >>= $c; } return $return; } /** * Subtract a normal integer from an int32 object. * * @param int $int * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError */ public function subInt($int) { ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); /** @var int $int */ $int = (int) $int; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; /** @var int $tmp */ $tmp = $this->limbs[1] - ($int & 0xffff); /** @var int $carry */ $carry = $tmp >> 16; $return->limbs[1] = (int) ($tmp & 0xffff); /** @var int $tmp */ $tmp = $this->limbs[0] - (($int >> 16) & 0xffff) + $carry; $return->limbs[0] = (int) ($tmp & 0xffff); return $return; } /** * Subtract two int32 objects from each other * * @param ParagonIE_Sodium_Core32_Int32 $b * @return ParagonIE_Sodium_Core32_Int32 */ public function subInt32(ParagonIE_Sodium_Core32_Int32 $b) { $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; /** @var int $tmp */ $tmp = $this->limbs[1] - ($b->limbs[1] & 0xffff); /** @var int $carry */ $carry = $tmp >> 16; $return->limbs[1] = (int) ($tmp & 0xffff); /** @var int $tmp */ $tmp = $this->limbs[0] - ($b->limbs[0] & 0xffff) + $carry; $return->limbs[0] = (int) ($tmp & 0xffff); return $return; } /** * XOR this 32-bit integer with another. * * @param ParagonIE_Sodium_Core32_Int32 $b * @return ParagonIE_Sodium_Core32_Int32 */ public function xorInt32(ParagonIE_Sodium_Core32_Int32 $b) { $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $return->limbs = array( (int) ($this->limbs[0] ^ $b->limbs[0]), (int) ($this->limbs[1] ^ $b->limbs[1]) ); return $return; } /** * @param int $signed * @return self * @throws SodiumException * @throws TypeError */ public static function fromInt($signed) { ParagonIE_Sodium_Core32_Util::declareScalarType($signed, 'int', 1);; /** @var int $signed */ $signed = (int) $signed; return new ParagonIE_Sodium_Core32_Int32( array( (int) (($signed >> 16) & 0xffff), (int) ($signed & 0xffff) ) ); } /** * @param string $string * @return self * @throws SodiumException * @throws TypeError */ public static function fromString($string) { ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1); $string = (string) $string; if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 4) { throw new RangeException( 'String must be 4 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.' ); } $return = new ParagonIE_Sodium_Core32_Int32(); $return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff) << 8); $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff); $return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff) << 8); $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff); return $return; } /** * @param string $string * @return self * @throws SodiumException * @throws TypeError */ public static function fromReverseString($string) { ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1); $string = (string) $string; if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 4) { throw new RangeException( 'String must be 4 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.' ); } $return = new ParagonIE_Sodium_Core32_Int32(); $return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff) << 8); $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff); $return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff) << 8); $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff); return $return; } /** * @return array<int, int> */ public function toArray() { return array((int) ($this->limbs[0] << 16 | $this->limbs[1])); } /** * @return string * @throws TypeError */ public function toString() { return ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff); } /** * @return int */ public function toInt() { return (int) ( (($this->limbs[0] & 0xffff) << 16) | ($this->limbs[1] & 0xffff) ); } /** * @return ParagonIE_Sodium_Core32_Int32 */ public function toInt32() { $return = new ParagonIE_Sodium_Core32_Int32(); $return->limbs[0] = (int) ($this->limbs[0] & 0xffff); $return->limbs[1] = (int) ($this->limbs[1] & 0xffff); $return->unsignedInt = $this->unsignedInt; $return->overflow = (int) ($this->overflow & 0x7fffffff); return $return; } /** * @return ParagonIE_Sodium_Core32_Int64 */ public function toInt64() { $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; if ($this->unsignedInt) { $return->limbs[0] += (($this->overflow >> 16) & 0xffff); $return->limbs[1] += (($this->overflow) & 0xffff); } else { $neg = -(($this->limbs[0] >> 15) & 1); $return->limbs[0] = (int)($neg & 0xffff); $return->limbs[1] = (int)($neg & 0xffff); } $return->limbs[2] = (int) ($this->limbs[0] & 0xffff); $return->limbs[3] = (int) ($this->limbs[1] & 0xffff); return $return; } /** * @return string * @throws TypeError */ public function toReverseString() { return ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff); } /** * @return string */ public function __toString() { try { return $this->toString(); } catch (TypeError $ex) { // PHP engine can't handle exceptions from __toString() return ''; } } } Core32/Poly1305.php 0000644 00000003062 14717743076 0007567 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Poly1305', false)) { return; } /** * Class ParagonIE_Sodium_Core32_Poly1305 */ abstract class ParagonIE_Sodium_Core32_Poly1305 extends ParagonIE_Sodium_Core32_Util { const BLOCK_SIZE = 16; /** * @internal You should not use this directly from another application * * @param string $m * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function onetimeauth($m, $key) { if (self::strlen($key) < 32) { throw new InvalidArgumentException( 'Key must be 32 bytes long.' ); } $state = new ParagonIE_Sodium_Core32_Poly1305_State( self::substr($key, 0, 32) ); return $state ->update($m) ->finish(); } /** * @internal You should not use this directly from another application * * @param string $mac * @param string $m * @param string $key * @return bool * @throws SodiumException * @throws TypeError */ public static function onetimeauth_verify($mac, $m, $key) { if (self::strlen($key) < 32) { throw new InvalidArgumentException( 'Key must be 32 bytes long.' ); } $state = new ParagonIE_Sodium_Core32_Poly1305_State( self::substr($key, 0, 32) ); $calc = $state ->update($m) ->finish(); return self::verify_16($calc, $mac); } } Core32/XChaCha20.php 0000644 00000004626 14717743076 0007743 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_XChaCha20', false)) { return; } /** * Class ParagonIE_Sodium_Core32_XChaCha20 */ class ParagonIE_Sodium_Core32_XChaCha20 extends ParagonIE_Sodium_Core32_HChaCha20 { /** * @internal You should not use this directly from another application * * @param int $len * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function stream($len = 64, $nonce = '', $key = '') { if (self::strlen($nonce) !== 24) { throw new SodiumException('Nonce must be 24 bytes long'); } return self::encryptBytes( new ParagonIE_Sodium_Core32_ChaCha20_Ctx( self::hChaCha20( self::substr($nonce, 0, 16), $key ), self::substr($nonce, 16, 8) ), str_repeat("\x00", $len) ); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @param string $ic * @return string * @throws SodiumException * @throws TypeError */ public static function streamXorIc($message, $nonce = '', $key = '', $ic = '') { if (self::strlen($nonce) !== 24) { throw new SodiumException('Nonce must be 24 bytes long'); } return self::encryptBytes( new ParagonIE_Sodium_Core32_ChaCha20_Ctx( self::hChaCha20(self::substr($nonce, 0, 16), $key), self::substr($nonce, 16, 8), $ic ), $message ); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @param string $ic * @return string * @throws SodiumException * @throws TypeError */ public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '') { return self::encryptBytes( new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx( self::hChaCha20(self::substr($nonce, 0, 16), $key), "\x00\x00\x00\x00" . self::substr($nonce, 16, 8), $ic ), $message ); } } Core32/Ed25519.php 0000644 00000036567 14717743076 0007311 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Ed25519', false)) { return; } if (!class_exists('ParagonIE_Sodium_Core32_Curve25519')) { require_once dirname(__FILE__) . '/Curve25519.php'; } /** * Class ParagonIE_Sodium_Core32_Ed25519 */ abstract class ParagonIE_Sodium_Core32_Ed25519 extends ParagonIE_Sodium_Core32_Curve25519 { const KEYPAIR_BYTES = 96; const SEED_BYTES = 32; /** * @internal You should not use this directly from another application * * @return string (96 bytes) * @throws Exception * @throws SodiumException * @throws TypeError */ public static function keypair() { $seed = random_bytes(self::SEED_BYTES); $pk = ''; $sk = ''; self::seed_keypair($pk, $sk, $seed); return $sk . $pk; } /** * @internal You should not use this directly from another application * * @param string $pk * @param string $sk * @param string $seed * @return string * @throws SodiumException * @throws TypeError */ public static function seed_keypair(&$pk, &$sk, $seed) { if (self::strlen($seed) !== self::SEED_BYTES) { throw new RangeException('crypto_sign keypair seed must be 32 bytes long'); } /** @var string $pk */ $pk = self::publickey_from_secretkey($seed); $sk = $seed . $pk; return $sk; } /** * @internal You should not use this directly from another application * * @param string $keypair * @return string * @throws TypeError */ public static function secretkey($keypair) { if (self::strlen($keypair) !== self::KEYPAIR_BYTES) { throw new RangeException('crypto_sign keypair must be 96 bytes long'); } return self::substr($keypair, 0, 64); } /** * @internal You should not use this directly from another application * * @param string $keypair * @return string * @throws RangeException * @throws TypeError */ public static function publickey($keypair) { if (self::strlen($keypair) !== self::KEYPAIR_BYTES) { throw new RangeException('crypto_sign keypair must be 96 bytes long'); } return self::substr($keypair, 64, 32); } /** * @internal You should not use this directly from another application * * @param string $sk * @return string * @throws SodiumException * @throws TypeError */ public static function publickey_from_secretkey($sk) { /** @var string $sk */ $sk = hash('sha512', self::substr($sk, 0, 32), true); $sk[0] = self::intToChr( self::chrToInt($sk[0]) & 248 ); $sk[31] = self::intToChr( (self::chrToInt($sk[31]) & 63) | 64 ); return self::sk_to_pk($sk); } /** * @param string $pk * @return string * @throws SodiumException * @throws TypeError */ public static function pk_to_curve25519($pk) { if (self::small_order($pk)) { throw new SodiumException('Public key is on a small order'); } $A = self::ge_frombytes_negate_vartime($pk); $p1 = self::ge_mul_l($A); if (!self::fe_isnonzero($p1->X)) { throw new SodiumException('Unexpected zero result'); } # fe_1(one_minus_y); # fe_sub(one_minus_y, one_minus_y, A.Y); # fe_invert(one_minus_y, one_minus_y); $one_minux_y = self::fe_invert( self::fe_sub( self::fe_1(), $A->Y ) ); # fe_1(x); # fe_add(x, x, A.Y); # fe_mul(x, x, one_minus_y); $x = self::fe_mul( self::fe_add(self::fe_1(), $A->Y), $one_minux_y ); # fe_tobytes(curve25519_pk, x); return self::fe_tobytes($x); } /** * @internal You should not use this directly from another application * * @param string $sk * @return string * @throws SodiumException * @throws TypeError */ public static function sk_to_pk($sk) { return self::ge_p3_tobytes( self::ge_scalarmult_base( self::substr($sk, 0, 32) ) ); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $sk * @return string * @throws SodiumException * @throws TypeError */ public static function sign($message, $sk) { /** @var string $signature */ $signature = self::sign_detached($message, $sk); return $signature . $message; } /** * @internal You should not use this directly from another application * * @param string $message A signed message * @param string $pk Public key * @return string Message (without signature) * @throws SodiumException * @throws TypeError */ public static function sign_open($message, $pk) { /** @var string $signature */ $signature = self::substr($message, 0, 64); /** @var string $message */ $message = self::substr($message, 64); if (self::verify_detached($signature, $message, $pk)) { return $message; } throw new SodiumException('Invalid signature'); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $sk * @return string * @throws SodiumException * @throws TypeError * @psalm-suppress PossiblyInvalidArgument */ public static function sign_detached($message, $sk) { # crypto_hash_sha512(az, sk, 32); $az = hash('sha512', self::substr($sk, 0, 32), true); # az[0] &= 248; # az[31] &= 63; # az[31] |= 64; $az[0] = self::intToChr(self::chrToInt($az[0]) & 248); $az[31] = self::intToChr((self::chrToInt($az[31]) & 63) | 64); # crypto_hash_sha512_init(&hs); # crypto_hash_sha512_update(&hs, az + 32, 32); # crypto_hash_sha512_update(&hs, m, mlen); # crypto_hash_sha512_final(&hs, nonce); $hs = hash_init('sha512'); self::hash_update($hs, self::substr($az, 32, 32)); self::hash_update($hs, $message); $nonceHash = hash_final($hs, true); # memmove(sig + 32, sk + 32, 32); $pk = self::substr($sk, 32, 32); # sc_reduce(nonce); # ge_scalarmult_base(&R, nonce); # ge_p3_tobytes(sig, &R); $nonce = self::sc_reduce($nonceHash) . self::substr($nonceHash, 32); $sig = self::ge_p3_tobytes( self::ge_scalarmult_base($nonce) ); # crypto_hash_sha512_init(&hs); # crypto_hash_sha512_update(&hs, sig, 64); # crypto_hash_sha512_update(&hs, m, mlen); # crypto_hash_sha512_final(&hs, hram); $hs = hash_init('sha512'); self::hash_update($hs, self::substr($sig, 0, 32)); self::hash_update($hs, self::substr($pk, 0, 32)); self::hash_update($hs, $message); $hramHash = hash_final($hs, true); # sc_reduce(hram); # sc_muladd(sig + 32, hram, az, nonce); $hram = self::sc_reduce($hramHash); $sigAfter = self::sc_muladd($hram, $az, $nonce); $sig = self::substr($sig, 0, 32) . self::substr($sigAfter, 0, 32); try { ParagonIE_Sodium_Compat::memzero($az); } catch (SodiumException $ex) { $az = null; } return $sig; } /** * @internal You should not use this directly from another application * * @param string $sig * @param string $message * @param string $pk * @return bool * @throws SodiumException * @throws TypeError */ public static function verify_detached($sig, $message, $pk) { if (self::strlen($sig) < 64) { throw new SodiumException('Signature is too short'); } if ((self::chrToInt($sig[63]) & 240) && self::check_S_lt_L(self::substr($sig, 32, 32))) { throw new SodiumException('S < L - Invalid signature'); } if (self::small_order($sig)) { throw new SodiumException('Signature is on too small of an order'); } if ((self::chrToInt($sig[63]) & 224) !== 0) { throw new SodiumException('Invalid signature'); } $d = 0; for ($i = 0; $i < 32; ++$i) { $d |= self::chrToInt($pk[$i]); } if ($d === 0) { throw new SodiumException('All zero public key'); } /** @var bool The original value of ParagonIE_Sodium_Compat::$fastMult */ $orig = ParagonIE_Sodium_Compat::$fastMult; // Set ParagonIE_Sodium_Compat::$fastMult to true to speed up verification. ParagonIE_Sodium_Compat::$fastMult = true; /** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A */ $A = self::ge_frombytes_negate_vartime($pk); /** @var string $hDigest */ $hDigest = hash( 'sha512', self::substr($sig, 0, 32) . self::substr($pk, 0, 32) . $message, true ); /** @var string $h */ $h = self::sc_reduce($hDigest) . self::substr($hDigest, 32); /** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $R */ $R = self::ge_double_scalarmult_vartime( $h, $A, self::substr($sig, 32) ); /** @var string $rcheck */ $rcheck = self::ge_tobytes($R); // Reset ParagonIE_Sodium_Compat::$fastMult to what it was before. ParagonIE_Sodium_Compat::$fastMult = $orig; return self::verify_32($rcheck, self::substr($sig, 0, 32)); } /** * @internal You should not use this directly from another application * * @param string $S * @return bool * @throws SodiumException * @throws TypeError */ public static function check_S_lt_L($S) { if (self::strlen($S) < 32) { throw new SodiumException('Signature must be 32 bytes'); } static $L = array( 0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10 ); /** @var array<int, int> $L */ $c = 0; $n = 1; $i = 32; do { --$i; $x = self::chrToInt($S[$i]); $c |= ( (($x - $L[$i]) >> 8) & $n ); $n &= ( (($x ^ $L[$i]) - 1) >> 8 ); } while ($i !== 0); return $c === 0; } /** * @param string $R * @return bool * @throws SodiumException * @throws TypeError */ public static function small_order($R) { static $blocklist = array( /* 0 (order 4) */ array( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ), /* 1 (order 1) */ array( 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ), /* 2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */ array( 0x26, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0, 0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0, 0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39, 0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x05 ), /* 55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */ array( 0xc7, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f, 0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f, 0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6, 0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0x7a ), /* p-1 (order 2) */ array( 0x13, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0, 0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0, 0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39, 0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x85 ), /* p (order 4) */ array( 0xb4, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f, 0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f, 0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6, 0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0xfa ), /* p+1 (order 1) */ array( 0xec, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f ), /* p+2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */ array( 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f ), /* p+55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */ array( 0xee, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f ), /* 2p-1 (order 2) */ array( 0xd9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff ), /* 2p (order 4) */ array( 0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff ), /* 2p+1 (order 1) */ array( 0xdb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff ) ); /** @var array<int, array<int, int>> $blocklist */ $countBlocklist = count($blocklist); for ($i = 0; $i < $countBlocklist; ++$i) { $c = 0; for ($j = 0; $j < 32; ++$j) { $c |= self::chrToInt($R[$j]) ^ $blocklist[$i][$j]; } if ($c === 0) { return true; } } return false; } } Core32/SipHash.php 0000644 00000014725 14717743076 0007702 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_SipHash', false)) { return; } /** * Class ParagonIE_SodiumCompat_Core32_SipHash * * Only uses 32-bit arithmetic, while the original SipHash used 64-bit integers */ class ParagonIE_Sodium_Core32_SipHash extends ParagonIE_Sodium_Core32_Util { /** * @internal You should not use this directly from another application * * @param array<int, ParagonIE_Sodium_Core32_Int64> $v * @return array<int, ParagonIE_Sodium_Core32_Int64> */ public static function sipRound(array $v) { # v0 += v1; $v[0] = $v[0]->addInt64($v[1]); # v1 = ROTL(v1, 13); $v[1] = $v[1]->rotateLeft(13); # v1 ^= v0; $v[1] = $v[1]->xorInt64($v[0]); # v0=ROTL(v0,32); $v[0] = $v[0]->rotateLeft(32); # v2 += v3; $v[2] = $v[2]->addInt64($v[3]); # v3=ROTL(v3,16); $v[3] = $v[3]->rotateLeft(16); # v3 ^= v2; $v[3] = $v[3]->xorInt64($v[2]); # v0 += v3; $v[0] = $v[0]->addInt64($v[3]); # v3=ROTL(v3,21); $v[3] = $v[3]->rotateLeft(21); # v3 ^= v0; $v[3] = $v[3]->xorInt64($v[0]); # v2 += v1; $v[2] = $v[2]->addInt64($v[1]); # v1=ROTL(v1,17); $v[1] = $v[1]->rotateLeft(17); # v1 ^= v2; $v[1] = $v[1]->xorInt64($v[2]); # v2=ROTL(v2,32) $v[2] = $v[2]->rotateLeft(32); return $v; } /** * @internal You should not use this directly from another application * * @param string $in * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function sipHash24($in, $key) { $inlen = self::strlen($in); # /* "somepseudorandomlygeneratedbytes" */ # u64 v0 = 0x736f6d6570736575ULL; # u64 v1 = 0x646f72616e646f6dULL; # u64 v2 = 0x6c7967656e657261ULL; # u64 v3 = 0x7465646279746573ULL; $v = array( new ParagonIE_Sodium_Core32_Int64( array(0x736f, 0x6d65, 0x7073, 0x6575) ), new ParagonIE_Sodium_Core32_Int64( array(0x646f, 0x7261, 0x6e64, 0x6f6d) ), new ParagonIE_Sodium_Core32_Int64( array(0x6c79, 0x6765, 0x6e65, 0x7261) ), new ParagonIE_Sodium_Core32_Int64( array(0x7465, 0x6462, 0x7974, 0x6573) ) ); # u64 k0 = LOAD64_LE( k ); # u64 k1 = LOAD64_LE( k + 8 ); $k = array( ParagonIE_Sodium_Core32_Int64::fromReverseString( self::substr($key, 0, 8) ), ParagonIE_Sodium_Core32_Int64::fromReverseString( self::substr($key, 8, 8) ) ); # b = ( ( u64 )inlen ) << 56; $b = new ParagonIE_Sodium_Core32_Int64( array(($inlen << 8) & 0xffff, 0, 0, 0) ); # v3 ^= k1; $v[3] = $v[3]->xorInt64($k[1]); # v2 ^= k0; $v[2] = $v[2]->xorInt64($k[0]); # v1 ^= k1; $v[1] = $v[1]->xorInt64($k[1]); # v0 ^= k0; $v[0] = $v[0]->xorInt64($k[0]); $left = $inlen; # for ( ; in != end; in += 8 ) while ($left >= 8) { # m = LOAD64_LE( in ); $m = ParagonIE_Sodium_Core32_Int64::fromReverseString( self::substr($in, 0, 8) ); # v3 ^= m; $v[3] = $v[3]->xorInt64($m); # SIPROUND; # SIPROUND; $v = self::sipRound($v); $v = self::sipRound($v); # v0 ^= m; $v[0] = $v[0]->xorInt64($m); $in = self::substr($in, 8); $left -= 8; } # switch( left ) # { # case 7: b |= ( ( u64 )in[ 6] ) << 48; # case 6: b |= ( ( u64 )in[ 5] ) << 40; # case 5: b |= ( ( u64 )in[ 4] ) << 32; # case 4: b |= ( ( u64 )in[ 3] ) << 24; # case 3: b |= ( ( u64 )in[ 2] ) << 16; # case 2: b |= ( ( u64 )in[ 1] ) << 8; # case 1: b |= ( ( u64 )in[ 0] ); break; # case 0: break; # } switch ($left) { case 7: $b = $b->orInt64( ParagonIE_Sodium_Core32_Int64::fromInts( 0, self::chrToInt($in[6]) << 16 ) ); case 6: $b = $b->orInt64( ParagonIE_Sodium_Core32_Int64::fromInts( 0, self::chrToInt($in[5]) << 8 ) ); case 5: $b = $b->orInt64( ParagonIE_Sodium_Core32_Int64::fromInts( 0, self::chrToInt($in[4]) ) ); case 4: $b = $b->orInt64( ParagonIE_Sodium_Core32_Int64::fromInts( self::chrToInt($in[3]) << 24, 0 ) ); case 3: $b = $b->orInt64( ParagonIE_Sodium_Core32_Int64::fromInts( self::chrToInt($in[2]) << 16, 0 ) ); case 2: $b = $b->orInt64( ParagonIE_Sodium_Core32_Int64::fromInts( self::chrToInt($in[1]) << 8, 0 ) ); case 1: $b = $b->orInt64( ParagonIE_Sodium_Core32_Int64::fromInts( self::chrToInt($in[0]), 0 ) ); case 0: break; } # v3 ^= b; $v[3] = $v[3]->xorInt64($b); # SIPROUND; # SIPROUND; $v = self::sipRound($v); $v = self::sipRound($v); # v0 ^= b; $v[0] = $v[0]->xorInt64($b); // Flip the lower 8 bits of v2 which is ($v[4], $v[5]) in our implementation # v2 ^= 0xff; $v[2]->limbs[3] ^= 0xff; # SIPROUND; # SIPROUND; # SIPROUND; # SIPROUND; $v = self::sipRound($v); $v = self::sipRound($v); $v = self::sipRound($v); $v = self::sipRound($v); # b = v0 ^ v1 ^ v2 ^ v3; # STORE64_LE( out, b ); return $v[0] ->xorInt64($v[1]) ->xorInt64($v[2]) ->xorInt64($v[3]) ->toReverseString(); } } Core32/Util.php 0000644 00000000321 14717743076 0007243 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_Util', false)) { return; } /** * Class ParagonIE_Sodium_Core_Util */ abstract class ParagonIE_Sodium_Core32_Util extends ParagonIE_Sodium_Core_Util { } Core32/Int64.php 0000644 00000074704 14717743076 0007252 0 ustar 00 <?php /** * Class ParagonIE_Sodium_Core32_Int64 * * Encapsulates a 64-bit integer. * * These are immutable. It always returns a new instance. */ class ParagonIE_Sodium_Core32_Int64 { /** * @var array<int, int> - four 16-bit integers */ public $limbs = array(0, 0, 0, 0); /** * @var int */ public $overflow = 0; /** * @var bool */ public $unsignedInt = false; /** * ParagonIE_Sodium_Core32_Int64 constructor. * @param array $array * @param bool $unsignedInt */ public function __construct($array = array(0, 0, 0, 0), $unsignedInt = false) { $this->limbs = array( (int) $array[0], (int) $array[1], (int) $array[2], (int) $array[3] ); $this->overflow = 0; $this->unsignedInt = $unsignedInt; } /** * Adds two int64 objects * * @param ParagonIE_Sodium_Core32_Int64 $addend * @return ParagonIE_Sodium_Core32_Int64 */ public function addInt64(ParagonIE_Sodium_Core32_Int64 $addend) { $i0 = $this->limbs[0]; $i1 = $this->limbs[1]; $i2 = $this->limbs[2]; $i3 = $this->limbs[3]; $j0 = $addend->limbs[0]; $j1 = $addend->limbs[1]; $j2 = $addend->limbs[2]; $j3 = $addend->limbs[3]; $r3 = $i3 + ($j3 & 0xffff); $carry = $r3 >> 16; $r2 = $i2 + ($j2 & 0xffff) + $carry; $carry = $r2 >> 16; $r1 = $i1 + ($j1 & 0xffff) + $carry; $carry = $r1 >> 16; $r0 = $i0 + ($j0 & 0xffff) + $carry; $carry = $r0 >> 16; $r0 &= 0xffff; $r1 &= 0xffff; $r2 &= 0xffff; $r3 &= 0xffff; $return = new ParagonIE_Sodium_Core32_Int64( array($r0, $r1, $r2, $r3) ); $return->overflow = $carry; $return->unsignedInt = $this->unsignedInt; return $return; } /** * Adds a normal integer to an int64 object * * @param int $int * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError */ public function addInt($int) { ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); /** @var int $int */ $int = (int) $int; $i0 = $this->limbs[0]; $i1 = $this->limbs[1]; $i2 = $this->limbs[2]; $i3 = $this->limbs[3]; $r3 = $i3 + ($int & 0xffff); $carry = $r3 >> 16; $r2 = $i2 + (($int >> 16) & 0xffff) + $carry; $carry = $r2 >> 16; $r1 = $i1 + $carry; $carry = $r1 >> 16; $r0 = $i0 + $carry; $carry = $r0 >> 16; $r0 &= 0xffff; $r1 &= 0xffff; $r2 &= 0xffff; $r3 &= 0xffff; $return = new ParagonIE_Sodium_Core32_Int64( array($r0, $r1, $r2, $r3) ); $return->overflow = $carry; $return->unsignedInt = $this->unsignedInt; return $return; } /** * @param int $b * @return int */ public function compareInt($b = 0) { $gt = 0; $eq = 1; $i = 4; $j = 0; while ($i > 0) { --$i; /** @var int $x1 */ $x1 = $this->limbs[$i]; /** @var int $x2 */ $x2 = ($b >> ($j << 4)) & 0xffff; /** int */ $gt |= (($x2 - $x1) >> 8) & $eq; /** int */ $eq &= (($x2 ^ $x1) - 1) >> 8; } return ($gt + $gt - $eq) + 1; } /** * @param int $b * @return bool */ public function isGreaterThan($b = 0) { return $this->compareInt($b) > 0; } /** * @param int $b * @return bool */ public function isLessThanInt($b = 0) { return $this->compareInt($b) < 0; } /** * @param int $hi * @param int $lo * @return ParagonIE_Sodium_Core32_Int64 */ public function mask64($hi = 0, $lo = 0) { /** @var int $a */ $a = ($hi >> 16) & 0xffff; /** @var int $b */ $b = ($hi) & 0xffff; /** @var int $c */ $c = ($lo >> 16) & 0xffff; /** @var int $d */ $d = ($lo & 0xffff); return new ParagonIE_Sodium_Core32_Int64( array( $this->limbs[0] & $a, $this->limbs[1] & $b, $this->limbs[2] & $c, $this->limbs[3] & $d ), $this->unsignedInt ); } /** * @param int $int * @param int $size * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedAssignment */ public function mulInt($int = 0, $size = 0) { if (ParagonIE_Sodium_Compat::$fastMult) { return $this->mulIntFast($int); } ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2); /** @var int $int */ $int = (int) $int; /** @var int $size */ $size = (int) $size; if (!$size) { $size = 63; } $a = clone $this; $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; // Initialize: $ret0 = 0; $ret1 = 0; $ret2 = 0; $ret3 = 0; $a0 = $a->limbs[0]; $a1 = $a->limbs[1]; $a2 = $a->limbs[2]; $a3 = $a->limbs[3]; /** @var int $size */ /** @var int $i */ for ($i = $size; $i >= 0; --$i) { $mask = -($int & 1); $x0 = $a0 & $mask; $x1 = $a1 & $mask; $x2 = $a2 & $mask; $x3 = $a3 & $mask; $ret3 += $x3; $c = $ret3 >> 16; $ret2 += $x2 + $c; $c = $ret2 >> 16; $ret1 += $x1 + $c; $c = $ret1 >> 16; $ret0 += $x0 + $c; $ret0 &= 0xffff; $ret1 &= 0xffff; $ret2 &= 0xffff; $ret3 &= 0xffff; $a3 = $a3 << 1; $x3 = $a3 >> 16; $a2 = ($a2 << 1) | $x3; $x2 = $a2 >> 16; $a1 = ($a1 << 1) | $x2; $x1 = $a1 >> 16; $a0 = ($a0 << 1) | $x1; $a0 &= 0xffff; $a1 &= 0xffff; $a2 &= 0xffff; $a3 &= 0xffff; $int >>= 1; } $return->limbs[0] = $ret0; $return->limbs[1] = $ret1; $return->limbs[2] = $ret2; $return->limbs[3] = $ret3; return $return; } /** * @param ParagonIE_Sodium_Core32_Int64 $A * @param ParagonIE_Sodium_Core32_Int64 $B * @return array<int, ParagonIE_Sodium_Core32_Int64> * @throws SodiumException * @throws TypeError * @psalm-suppress MixedInferredReturnType */ public static function ctSelect( ParagonIE_Sodium_Core32_Int64 $A, ParagonIE_Sodium_Core32_Int64 $B ) { $a = clone $A; $b = clone $B; /** @var int $aNeg */ $aNeg = ($a->limbs[0] >> 15) & 1; /** @var int $bNeg */ $bNeg = ($b->limbs[0] >> 15) & 1; /** @var int $m */ $m = (-($aNeg & $bNeg)) | 1; /** @var int $swap */ $swap = $bNeg & ~$aNeg; /** @var int $d */ $d = -$swap; /* if ($bNeg && !$aNeg) { $a = clone $int; $b = clone $this; } elseif($bNeg && $aNeg) { $a = $this->mulInt(-1); $b = $int->mulInt(-1); } */ $x = $a->xorInt64($b)->mask64($d, $d); return array( $a->xorInt64($x)->mulInt($m), $b->xorInt64($x)->mulInt($m) ); } /** * @param array<int, int> $a * @param array<int, int> $b * @param int $baseLog2 * @return array<int, int> */ public function multiplyLong(array $a, array $b, $baseLog2 = 16) { $a_l = count($a); $b_l = count($b); /** @var array<int, int> $r */ $r = array_fill(0, $a_l + $b_l + 1, 0); $base = 1 << $baseLog2; for ($i = 0; $i < $a_l; ++$i) { $a_i = $a[$i]; for ($j = 0; $j < $a_l; ++$j) { $b_j = $b[$j]; $product = (($a_i * $b_j) + $r[$i + $j]); $carry = (((int) $product >> $baseLog2) & 0xffff); $r[$i + $j] = ((int) $product - (int) ($carry * $base)) & 0xffff; $r[$i + $j + 1] += $carry; } } return array_slice($r, 0, 5); } /** * @param int $int * @return ParagonIE_Sodium_Core32_Int64 */ public function mulIntFast($int) { // Handle negative numbers $aNeg = ($this->limbs[0] >> 15) & 1; $bNeg = ($int >> 31) & 1; $a = array_reverse($this->limbs); $b = array( $int & 0xffff, ($int >> 16) & 0xffff, -$bNeg & 0xffff, -$bNeg & 0xffff ); if ($aNeg) { for ($i = 0; $i < 4; ++$i) { $a[$i] = ($a[$i] ^ 0xffff) & 0xffff; } ++$a[0]; } if ($bNeg) { for ($i = 0; $i < 4; ++$i) { $b[$i] = ($b[$i] ^ 0xffff) & 0xffff; } ++$b[0]; } // Multiply $res = $this->multiplyLong($a, $b); // Re-apply negation to results if ($aNeg !== $bNeg) { for ($i = 0; $i < 4; ++$i) { $res[$i] = (0xffff ^ $res[$i]) & 0xffff; } // Handle integer overflow $c = 1; for ($i = 0; $i < 4; ++$i) { $res[$i] += $c; $c = $res[$i] >> 16; $res[$i] &= 0xffff; } } // Return our values $return = new ParagonIE_Sodium_Core32_Int64(); $return->limbs = array( $res[3] & 0xffff, $res[2] & 0xffff, $res[1] & 0xffff, $res[0] & 0xffff ); if (count($res) > 4) { $return->overflow = $res[4] & 0xffff; } $return->unsignedInt = $this->unsignedInt; return $return; } /** * @param ParagonIE_Sodium_Core32_Int64 $right * @return ParagonIE_Sodium_Core32_Int64 */ public function mulInt64Fast(ParagonIE_Sodium_Core32_Int64 $right) { $aNeg = ($this->limbs[0] >> 15) & 1; $bNeg = ($right->limbs[0] >> 15) & 1; $a = array_reverse($this->limbs); $b = array_reverse($right->limbs); if ($aNeg) { for ($i = 0; $i < 4; ++$i) { $a[$i] = ($a[$i] ^ 0xffff) & 0xffff; } ++$a[0]; } if ($bNeg) { for ($i = 0; $i < 4; ++$i) { $b[$i] = ($b[$i] ^ 0xffff) & 0xffff; } ++$b[0]; } $res = $this->multiplyLong($a, $b); if ($aNeg !== $bNeg) { if ($aNeg !== $bNeg) { for ($i = 0; $i < 4; ++$i) { $res[$i] = ($res[$i] ^ 0xffff) & 0xffff; } $c = 1; for ($i = 0; $i < 4; ++$i) { $res[$i] += $c; $c = $res[$i] >> 16; $res[$i] &= 0xffff; } } } $return = new ParagonIE_Sodium_Core32_Int64(); $return->limbs = array( $res[3] & 0xffff, $res[2] & 0xffff, $res[1] & 0xffff, $res[0] & 0xffff ); if (count($res) > 4) { $return->overflow = $res[4]; } return $return; } /** * @param ParagonIE_Sodium_Core32_Int64 $int * @param int $size * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedAssignment */ public function mulInt64(ParagonIE_Sodium_Core32_Int64 $int, $size = 0) { if (ParagonIE_Sodium_Compat::$fastMult) { return $this->mulInt64Fast($int); } ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2); if (!$size) { $size = 63; } list($a, $b) = self::ctSelect($this, $int); $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; // Initialize: $ret0 = 0; $ret1 = 0; $ret2 = 0; $ret3 = 0; $a0 = $a->limbs[0]; $a1 = $a->limbs[1]; $a2 = $a->limbs[2]; $a3 = $a->limbs[3]; $b0 = $b->limbs[0]; $b1 = $b->limbs[1]; $b2 = $b->limbs[2]; $b3 = $b->limbs[3]; /** @var int $size */ /** @var int $i */ for ($i = (int) $size; $i >= 0; --$i) { $mask = -($b3 & 1); $x0 = $a0 & $mask; $x1 = $a1 & $mask; $x2 = $a2 & $mask; $x3 = $a3 & $mask; $ret3 += $x3; $c = $ret3 >> 16; $ret2 += $x2 + $c; $c = $ret2 >> 16; $ret1 += $x1 + $c; $c = $ret1 >> 16; $ret0 += $x0 + $c; $ret0 &= 0xffff; $ret1 &= 0xffff; $ret2 &= 0xffff; $ret3 &= 0xffff; $a3 = $a3 << 1; $x3 = $a3 >> 16; $a2 = ($a2 << 1) | $x3; $x2 = $a2 >> 16; $a1 = ($a1 << 1) | $x2; $x1 = $a1 >> 16; $a0 = ($a0 << 1) | $x1; $a0 &= 0xffff; $a1 &= 0xffff; $a2 &= 0xffff; $a3 &= 0xffff; $x0 = ($b0 & 1) << 16; $x1 = ($b1 & 1) << 16; $x2 = ($b2 & 1) << 16; $b0 = ($b0 >> 1); $b1 = (($b1 | $x0) >> 1); $b2 = (($b2 | $x1) >> 1); $b3 = (($b3 | $x2) >> 1); $b0 &= 0xffff; $b1 &= 0xffff; $b2 &= 0xffff; $b3 &= 0xffff; } $return->limbs[0] = $ret0; $return->limbs[1] = $ret1; $return->limbs[2] = $ret2; $return->limbs[3] = $ret3; return $return; } /** * OR this 64-bit integer with another. * * @param ParagonIE_Sodium_Core32_Int64 $b * @return ParagonIE_Sodium_Core32_Int64 */ public function orInt64(ParagonIE_Sodium_Core32_Int64 $b) { $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; $return->limbs = array( (int) ($this->limbs[0] | $b->limbs[0]), (int) ($this->limbs[1] | $b->limbs[1]), (int) ($this->limbs[2] | $b->limbs[2]), (int) ($this->limbs[3] | $b->limbs[3]) ); return $return; } /** * @param int $c * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArrayAccess */ public function rotateLeft($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); /** @var int $c */ $c = (int) $c; $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; $c &= 63; if ($c === 0) { // NOP, but we want a copy. $return->limbs = $this->limbs; } else { /** @var array<int, int> $limbs */ $limbs =& $return->limbs; /** @var array<int, int> $myLimbs */ $myLimbs =& $this->limbs; /** @var int $idx_shift */ $idx_shift = ($c >> 4) & 3; /** @var int $sub_shift */ $sub_shift = $c & 15; for ($i = 3; $i >= 0; --$i) { /** @var int $j */ $j = ($i + $idx_shift) & 3; /** @var int $k */ $k = ($i + $idx_shift + 1) & 3; $limbs[$i] = (int) ( ( ((int) ($myLimbs[$j]) << $sub_shift) | ((int) ($myLimbs[$k]) >> (16 - $sub_shift)) ) & 0xffff ); } } return $return; } /** * Rotate to the right * * @param int $c * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArrayAccess */ public function rotateRight($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); /** @var int $c */ $c = (int) $c; /** @var ParagonIE_Sodium_Core32_Int64 $return */ $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; $c &= 63; /** @var int $c */ if ($c === 0) { // NOP, but we want a copy. $return->limbs = $this->limbs; } else { /** @var array<int, int> $limbs */ $limbs =& $return->limbs; /** @var array<int, int> $myLimbs */ $myLimbs =& $this->limbs; /** @var int $idx_shift */ $idx_shift = ($c >> 4) & 3; /** @var int $sub_shift */ $sub_shift = $c & 15; for ($i = 3; $i >= 0; --$i) { /** @var int $j */ $j = ($i - $idx_shift) & 3; /** @var int $k */ $k = ($i - $idx_shift - 1) & 3; $limbs[$i] = (int) ( ( ((int) ($myLimbs[$j]) >> (int) ($sub_shift)) | ((int) ($myLimbs[$k]) << (16 - (int) ($sub_shift))) ) & 0xffff ); } } return $return; } /** * @param int $c * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError */ public function shiftLeft($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); /** @var int $c */ $c = (int) $c; $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; $c &= 63; if ($c >= 16) { if ($c >= 48) { $return->limbs = array( $this->limbs[3], 0, 0, 0 ); } elseif ($c >= 32) { $return->limbs = array( $this->limbs[2], $this->limbs[3], 0, 0 ); } else { $return->limbs = array( $this->limbs[1], $this->limbs[2], $this->limbs[3], 0 ); } return $return->shiftLeft($c & 15); } if ($c === 0) { $return->limbs = $this->limbs; } elseif ($c < 0) { /** @var int $c */ return $this->shiftRight(-$c); } else { if (!is_int($c)) { throw new TypeError(); } /** @var int $carry */ $carry = 0; for ($i = 3; $i >= 0; --$i) { /** @var int $tmp */ $tmp = ($this->limbs[$i] << $c) | ($carry & 0xffff); $return->limbs[$i] = (int) ($tmp & 0xffff); /** @var int $carry */ $carry = $tmp >> 16; } } return $return; } /** * @param int $c * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError */ public function shiftRight($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); $c = (int) $c; /** @var int $c */ $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; $c &= 63; $negative = -(($this->limbs[0] >> 15) & 1); if ($c >= 16) { if ($c >= 48) { $return->limbs = array( (int) ($negative & 0xffff), (int) ($negative & 0xffff), (int) ($negative & 0xffff), (int) $this->limbs[0] ); } elseif ($c >= 32) { $return->limbs = array( (int) ($negative & 0xffff), (int) ($negative & 0xffff), (int) $this->limbs[0], (int) $this->limbs[1] ); } else { $return->limbs = array( (int) ($negative & 0xffff), (int) $this->limbs[0], (int) $this->limbs[1], (int) $this->limbs[2] ); } return $return->shiftRight($c & 15); } if ($c === 0) { $return->limbs = $this->limbs; } elseif ($c < 0) { return $this->shiftLeft(-$c); } else { if (!is_int($c)) { throw new TypeError(); } /** @var int $carryRight */ $carryRight = ($negative & 0xffff); $mask = (int) (((1 << ($c + 1)) - 1) & 0xffff); for ($i = 0; $i < 4; ++$i) { $return->limbs[$i] = (int) ( (($this->limbs[$i] >> $c) | ($carryRight << (16 - $c))) & 0xffff ); $carryRight = (int) ($this->limbs[$i] & $mask); } } return $return; } /** * Subtract a normal integer from an int64 object. * * @param int $int * @return ParagonIE_Sodium_Core32_Int64 * @throws SodiumException * @throws TypeError */ public function subInt($int) { ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); $int = (int) $int; $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; /** @var int $carry */ $carry = 0; for ($i = 3; $i >= 0; --$i) { /** @var int $tmp */ $tmp = $this->limbs[$i] - (($int >> 16) & 0xffff) + $carry; /** @var int $carry */ $carry = $tmp >> 16; $return->limbs[$i] = (int) ($tmp & 0xffff); } return $return; } /** * The difference between two Int64 objects. * * @param ParagonIE_Sodium_Core32_Int64 $b * @return ParagonIE_Sodium_Core32_Int64 */ public function subInt64(ParagonIE_Sodium_Core32_Int64 $b) { $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; /** @var int $carry */ $carry = 0; for ($i = 3; $i >= 0; --$i) { /** @var int $tmp */ $tmp = $this->limbs[$i] - $b->limbs[$i] + $carry; /** @var int $carry */ $carry = ($tmp >> 16); $return->limbs[$i] = (int) ($tmp & 0xffff); } return $return; } /** * XOR this 64-bit integer with another. * * @param ParagonIE_Sodium_Core32_Int64 $b * @return ParagonIE_Sodium_Core32_Int64 */ public function xorInt64(ParagonIE_Sodium_Core32_Int64 $b) { $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; $return->limbs = array( (int) ($this->limbs[0] ^ $b->limbs[0]), (int) ($this->limbs[1] ^ $b->limbs[1]), (int) ($this->limbs[2] ^ $b->limbs[2]), (int) ($this->limbs[3] ^ $b->limbs[3]) ); return $return; } /** * @param int $low * @param int $high * @return self * @throws SodiumException * @throws TypeError */ public static function fromInts($low, $high) { ParagonIE_Sodium_Core32_Util::declareScalarType($low, 'int', 1); ParagonIE_Sodium_Core32_Util::declareScalarType($high, 'int', 2); $high = (int) $high; $low = (int) $low; return new ParagonIE_Sodium_Core32_Int64( array( (int) (($high >> 16) & 0xffff), (int) ($high & 0xffff), (int) (($low >> 16) & 0xffff), (int) ($low & 0xffff) ) ); } /** * @param int $low * @return self * @throws SodiumException * @throws TypeError */ public static function fromInt($low) { ParagonIE_Sodium_Core32_Util::declareScalarType($low, 'int', 1); $low = (int) $low; return new ParagonIE_Sodium_Core32_Int64( array( 0, 0, (int) (($low >> 16) & 0xffff), (int) ($low & 0xffff) ) ); } /** * @return int */ public function toInt() { return (int) ( (($this->limbs[2] & 0xffff) << 16) | ($this->limbs[3] & 0xffff) ); } /** * @param string $string * @return self * @throws SodiumException * @throws TypeError */ public static function fromString($string) { ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1); $string = (string) $string; if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 8) { throw new RangeException( 'String must be 8 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.' ); } $return = new ParagonIE_Sodium_Core32_Int64(); $return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff) << 8); $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff); $return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff) << 8); $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff); $return->limbs[2] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[4]) & 0xff) << 8); $return->limbs[2] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[5]) & 0xff); $return->limbs[3] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[6]) & 0xff) << 8); $return->limbs[3] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[7]) & 0xff); return $return; } /** * @param string $string * @return self * @throws SodiumException * @throws TypeError */ public static function fromReverseString($string) { ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1); $string = (string) $string; if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 8) { throw new RangeException( 'String must be 8 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.' ); } $return = new ParagonIE_Sodium_Core32_Int64(); $return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[7]) & 0xff) << 8); $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[6]) & 0xff); $return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[5]) & 0xff) << 8); $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[4]) & 0xff); $return->limbs[2] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff) << 8); $return->limbs[2] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff); $return->limbs[3] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff) << 8); $return->limbs[3] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff); return $return; } /** * @return array<int, int> */ public function toArray() { return array( (int) ((($this->limbs[0] & 0xffff) << 16) | ($this->limbs[1] & 0xffff)), (int) ((($this->limbs[2] & 0xffff) << 16) | ($this->limbs[3] & 0xffff)) ); } /** * @return ParagonIE_Sodium_Core32_Int32 */ public function toInt32() { $return = new ParagonIE_Sodium_Core32_Int32(); $return->limbs[0] = (int) ($this->limbs[2]); $return->limbs[1] = (int) ($this->limbs[3]); $return->unsignedInt = $this->unsignedInt; $return->overflow = (int) (ParagonIE_Sodium_Core32_Util::abs($this->limbs[1], 16) & 0xffff); return $return; } /** * @return ParagonIE_Sodium_Core32_Int64 */ public function toInt64() { $return = new ParagonIE_Sodium_Core32_Int64(); $return->limbs[0] = (int) ($this->limbs[0]); $return->limbs[1] = (int) ($this->limbs[1]); $return->limbs[2] = (int) ($this->limbs[2]); $return->limbs[3] = (int) ($this->limbs[3]); $return->unsignedInt = $this->unsignedInt; $return->overflow = ParagonIE_Sodium_Core32_Util::abs($this->overflow); return $return; } /** * @param bool $bool * @return self */ public function setUnsignedInt($bool = false) { $this->unsignedInt = !empty($bool); return $this; } /** * @return string * @throws TypeError */ public function toString() { return ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[2] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[2] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[3] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[3] & 0xff); } /** * @return string * @throws TypeError */ public function toReverseString() { return ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[3] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[3] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[2] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[2] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff); } /** * @return string */ public function __toString() { try { return $this->toString(); } catch (TypeError $ex) { // PHP engine can't handle exceptions from __toString() return ''; } } } Core32/ChaCha20.php 0000644 00000034257 14717743076 0007616 0 ustar 00 <?php if (class_exists('ParagonIE_Sodium_Core32_ChaCha20', false)) { return; } /** * Class ParagonIE_Sodium_Core32_ChaCha20 */ class ParagonIE_Sodium_Core32_ChaCha20 extends ParagonIE_Sodium_Core32_Util { /** * The ChaCha20 quarter round function. Works on four 32-bit integers. * * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_Int32 $a * @param ParagonIE_Sodium_Core32_Int32 $b * @param ParagonIE_Sodium_Core32_Int32 $c * @param ParagonIE_Sodium_Core32_Int32 $d * @return array<int, ParagonIE_Sodium_Core32_Int32> * @throws SodiumException * @throws TypeError */ protected static function quarterRound( ParagonIE_Sodium_Core32_Int32 $a, ParagonIE_Sodium_Core32_Int32 $b, ParagonIE_Sodium_Core32_Int32 $c, ParagonIE_Sodium_Core32_Int32 $d ) { /** @var ParagonIE_Sodium_Core32_Int32 $a */ /** @var ParagonIE_Sodium_Core32_Int32 $b */ /** @var ParagonIE_Sodium_Core32_Int32 $c */ /** @var ParagonIE_Sodium_Core32_Int32 $d */ # a = PLUS(a,b); d = ROTATE(XOR(d,a),16); $a = $a->addInt32($b); $d = $d->xorInt32($a)->rotateLeft(16); # c = PLUS(c,d); b = ROTATE(XOR(b,c),12); $c = $c->addInt32($d); $b = $b->xorInt32($c)->rotateLeft(12); # a = PLUS(a,b); d = ROTATE(XOR(d,a), 8); $a = $a->addInt32($b); $d = $d->xorInt32($a)->rotateLeft(8); # c = PLUS(c,d); b = ROTATE(XOR(b,c), 7); $c = $c->addInt32($d); $b = $b->xorInt32($c)->rotateLeft(7); return array($a, $b, $c, $d); } /** * @internal You should not use this directly from another application * * @param ParagonIE_Sodium_Core32_ChaCha20_Ctx $ctx * @param string $message * * @return string * @throws SodiumException * @throws TypeError */ public static function encryptBytes( ParagonIE_Sodium_Core32_ChaCha20_Ctx $ctx, $message = '' ) { $bytes = self::strlen($message); /** @var ParagonIE_Sodium_Core32_Int32 $x0 */ /** @var ParagonIE_Sodium_Core32_Int32 $x1 */ /** @var ParagonIE_Sodium_Core32_Int32 $x2 */ /** @var ParagonIE_Sodium_Core32_Int32 $x3 */ /** @var ParagonIE_Sodium_Core32_Int32 $x4 */ /** @var ParagonIE_Sodium_Core32_Int32 $x5 */ /** @var ParagonIE_Sodium_Core32_Int32 $x6 */ /** @var ParagonIE_Sodium_Core32_Int32 $x7 */ /** @var ParagonIE_Sodium_Core32_Int32 $x8 */ /** @var ParagonIE_Sodium_Core32_Int32 $x9 */ /** @var ParagonIE_Sodium_Core32_Int32 $x10 */ /** @var ParagonIE_Sodium_Core32_Int32 $x11 */ /** @var ParagonIE_Sodium_Core32_Int32 $x12 */ /** @var ParagonIE_Sodium_Core32_Int32 $x13 */ /** @var ParagonIE_Sodium_Core32_Int32 $x14 */ /** @var ParagonIE_Sodium_Core32_Int32 $x15 */ /* j0 = ctx->input[0]; j1 = ctx->input[1]; j2 = ctx->input[2]; j3 = ctx->input[3]; j4 = ctx->input[4]; j5 = ctx->input[5]; j6 = ctx->input[6]; j7 = ctx->input[7]; j8 = ctx->input[8]; j9 = ctx->input[9]; j10 = ctx->input[10]; j11 = ctx->input[11]; j12 = ctx->input[12]; j13 = ctx->input[13]; j14 = ctx->input[14]; j15 = ctx->input[15]; */ /** @var ParagonIE_Sodium_Core32_Int32 $j0 */ $j0 = $ctx[0]; /** @var ParagonIE_Sodium_Core32_Int32 $j1 */ $j1 = $ctx[1]; /** @var ParagonIE_Sodium_Core32_Int32 $j2 */ $j2 = $ctx[2]; /** @var ParagonIE_Sodium_Core32_Int32 $j3 */ $j3 = $ctx[3]; /** @var ParagonIE_Sodium_Core32_Int32 $j4 */ $j4 = $ctx[4]; /** @var ParagonIE_Sodium_Core32_Int32 $j5 */ $j5 = $ctx[5]; /** @var ParagonIE_Sodium_Core32_Int32 $j6 */ $j6 = $ctx[6]; /** @var ParagonIE_Sodium_Core32_Int32 $j7 */ $j7 = $ctx[7]; /** @var ParagonIE_Sodium_Core32_Int32 $j8 */ $j8 = $ctx[8]; /** @var ParagonIE_Sodium_Core32_Int32 $j9 */ $j9 = $ctx[9]; /** @var ParagonIE_Sodium_Core32_Int32 $j10 */ $j10 = $ctx[10]; /** @var ParagonIE_Sodium_Core32_Int32 $j11 */ $j11 = $ctx[11]; /** @var ParagonIE_Sodium_Core32_Int32 $j12 */ $j12 = $ctx[12]; /** @var ParagonIE_Sodium_Core32_Int32 $j13 */ $j13 = $ctx[13]; /** @var ParagonIE_Sodium_Core32_Int32 $j14 */ $j14 = $ctx[14]; /** @var ParagonIE_Sodium_Core32_Int32 $j15 */ $j15 = $ctx[15]; $c = ''; for (;;) { if ($bytes < 64) { $message .= str_repeat("\x00", 64 - $bytes); } $x0 = clone $j0; $x1 = clone $j1; $x2 = clone $j2; $x3 = clone $j3; $x4 = clone $j4; $x5 = clone $j5; $x6 = clone $j6; $x7 = clone $j7; $x8 = clone $j8; $x9 = clone $j9; $x10 = clone $j10; $x11 = clone $j11; $x12 = clone $j12; $x13 = clone $j13; $x14 = clone $j14; $x15 = clone $j15; # for (i = 20; i > 0; i -= 2) { for ($i = 20; $i > 0; $i -= 2) { # QUARTERROUND( x0, x4, x8, x12) list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12); # QUARTERROUND( x1, x5, x9, x13) list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13); # QUARTERROUND( x2, x6, x10, x14) list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14); # QUARTERROUND( x3, x7, x11, x15) list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15); # QUARTERROUND( x0, x5, x10, x15) list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15); # QUARTERROUND( x1, x6, x11, x12) list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12); # QUARTERROUND( x2, x7, x8, x13) list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13); # QUARTERROUND( x3, x4, x9, x14) list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14); } /* x0 = PLUS(x0, j0); x1 = PLUS(x1, j1); x2 = PLUS(x2, j2); x3 = PLUS(x3, j3); x4 = PLUS(x4, j4); x5 = PLUS(x5, j5); x6 = PLUS(x6, j6); x7 = PLUS(x7, j7); x8 = PLUS(x8, j8); x9 = PLUS(x9, j9); x10 = PLUS(x10, j10); x11 = PLUS(x11, j11); x12 = PLUS(x12, j12); x13 = PLUS(x13, j13); x14 = PLUS(x14, j14); x15 = PLUS(x15, j15); */ $x0 = $x0->addInt32($j0); $x1 = $x1->addInt32($j1); $x2 = $x2->addInt32($j2); $x3 = $x3->addInt32($j3); $x4 = $x4->addInt32($j4); $x5 = $x5->addInt32($j5); $x6 = $x6->addInt32($j6); $x7 = $x7->addInt32($j7); $x8 = $x8->addInt32($j8); $x9 = $x9->addInt32($j9); $x10 = $x10->addInt32($j10); $x11 = $x11->addInt32($j11); $x12 = $x12->addInt32($j12); $x13 = $x13->addInt32($j13); $x14 = $x14->addInt32($j14); $x15 = $x15->addInt32($j15); /* x0 = XOR(x0, LOAD32_LE(m + 0)); x1 = XOR(x1, LOAD32_LE(m + 4)); x2 = XOR(x2, LOAD32_LE(m + 8)); x3 = XOR(x3, LOAD32_LE(m + 12)); x4 = XOR(x4, LOAD32_LE(m + 16)); x5 = XOR(x5, LOAD32_LE(m + 20)); x6 = XOR(x6, LOAD32_LE(m + 24)); x7 = XOR(x7, LOAD32_LE(m + 28)); x8 = XOR(x8, LOAD32_LE(m + 32)); x9 = XOR(x9, LOAD32_LE(m + 36)); x10 = XOR(x10, LOAD32_LE(m + 40)); x11 = XOR(x11, LOAD32_LE(m + 44)); x12 = XOR(x12, LOAD32_LE(m + 48)); x13 = XOR(x13, LOAD32_LE(m + 52)); x14 = XOR(x14, LOAD32_LE(m + 56)); x15 = XOR(x15, LOAD32_LE(m + 60)); */ $x0 = $x0->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 0, 4))); $x1 = $x1->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 4, 4))); $x2 = $x2->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 8, 4))); $x3 = $x3->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 12, 4))); $x4 = $x4->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 16, 4))); $x5 = $x5->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 20, 4))); $x6 = $x6->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 24, 4))); $x7 = $x7->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 28, 4))); $x8 = $x8->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 32, 4))); $x9 = $x9->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 36, 4))); $x10 = $x10->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 40, 4))); $x11 = $x11->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 44, 4))); $x12 = $x12->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 48, 4))); $x13 = $x13->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 52, 4))); $x14 = $x14->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 56, 4))); $x15 = $x15->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 60, 4))); /* j12 = PLUSONE(j12); if (!j12) { j13 = PLUSONE(j13); } */ /** @var ParagonIE_Sodium_Core32_Int32 $j12 */ $j12 = $j12->addInt(1); if ($j12->limbs[0] === 0 && $j12->limbs[1] === 0) { $j13 = $j13->addInt(1); } /* STORE32_LE(c + 0, x0); STORE32_LE(c + 4, x1); STORE32_LE(c + 8, x2); STORE32_LE(c + 12, x3); STORE32_LE(c + 16, x4); STORE32_LE(c + 20, x5); STORE32_LE(c + 24, x6); STORE32_LE(c + 28, x7); STORE32_LE(c + 32, x8); STORE32_LE(c + 36, x9); STORE32_LE(c + 40, x10); STORE32_LE(c + 44, x11); STORE32_LE(c + 48, x12); STORE32_LE(c + 52, x13); STORE32_LE(c + 56, x14); STORE32_LE(c + 60, x15); */ $block = $x0->toReverseString() . $x1->toReverseString() . $x2->toReverseString() . $x3->toReverseString() . $x4->toReverseString() . $x5->toReverseString() . $x6->toReverseString() . $x7->toReverseString() . $x8->toReverseString() . $x9->toReverseString() . $x10->toReverseString() . $x11->toReverseString() . $x12->toReverseString() . $x13->toReverseString() . $x14->toReverseString() . $x15->toReverseString(); /* Partial block */ if ($bytes < 64) { $c .= self::substr($block, 0, $bytes); break; } /* Full block */ $c .= $block; $bytes -= 64; if ($bytes <= 0) { break; } $message = self::substr($message, 64); } /* end for(;;) loop */ $ctx[12] = $j12; $ctx[13] = $j13; return $c; } /** * @internal You should not use this directly from another application * * @param int $len * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function stream($len = 64, $nonce = '', $key = '') { return self::encryptBytes( new ParagonIE_Sodium_Core32_ChaCha20_Ctx($key, $nonce), str_repeat("\x00", $len) ); } /** * @internal You should not use this directly from another application * * @param int $len * @param string $nonce * @param string $key * @return string * @throws SodiumException * @throws TypeError */ public static function ietfStream($len, $nonce = '', $key = '') { return self::encryptBytes( new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx($key, $nonce), str_repeat("\x00", $len) ); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @param string $ic * @return string * @throws SodiumException * @throws TypeError */ public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '') { return self::encryptBytes( new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx($key, $nonce, $ic), $message ); } /** * @internal You should not use this directly from another application * * @param string $message * @param string $nonce * @param string $key * @param string $ic * @return string * @throws SodiumException * @throws TypeError */ public static function streamXorIc($message, $nonce = '', $key = '', $ic = '') { return self::encryptBytes( new ParagonIE_Sodium_Core32_ChaCha20_Ctx($key, $nonce, $ic), $message ); } } Cache/CallableNameFilter.php 0000604 00000006452 14717745057 0011752 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2022 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; /** * Creating a cache filename with callables * * @package SimplePie * @subpackage Caching */ final class CallableNameFilter implements NameFilter { /** * @var callable */ private $callable; public function __construct(callable $callable) { $this->callable = $callable; } /** * Method to create cache filename with. * * The returning name MUST follow the rules for keys in PSR-16. * * @link https://www.php-fig.org/psr/psr-16/ * * The returning name MUST be a string of at least one character * that uniquely identifies a cached item, MUST only contain the * characters A-Z, a-z, 0-9, _, and . in any order in UTF-8 encoding * and MUST not longer then 64 characters. The following characters * are reserved for future extensions and MUST NOT be used: {}()/\@: * * A provided implementing library MAY support additional characters * and encodings or longer lengths, but MUST support at least that * minimum. * * @param string $name The name for the cache will be most likly an url with query string * * @return string the new cache name */ public function filter(string $name): string { return call_user_func($this->callable, $name); } } Cache/BaseDataCache.php 0000604 00000012613 14717745057 0010670 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2022 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; use InvalidArgumentException; /** * Adapter for deprecated \SimplePie\Cache\Base implementations * * @package SimplePie * @subpackage Caching * @internal */ final class BaseDataCache implements DataCache { /** * @var Base */ private $cache; public function __construct(Base $cache) { $this->cache = $cache; } /** * Fetches a value from the cache. * * Equivalent to \Psr\SimpleCache\CacheInterface::get() * <code> * public function get(string $key, mixed $default = null): mixed; * </code> * * @param string $key The unique key of this item in the cache. * @param mixed $default Default value to return if the key does not exist. * * @return array|mixed The value of the item from the cache, or $default in case of cache miss. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function get_data(string $key, $default = null) { $data = $this->cache->load(); if (!is_array($data)) { return $default; } // ignore data if internal cache expiration time is not set if (!array_key_exists('__cache_expiration_time', $data)) { return $default; } // ignore data if internal cache expiration time is expired if ($data['__cache_expiration_time'] < time()) { return $default; } // remove internal cache expiration time unset($data['__cache_expiration_time']); return $data; } /** * Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time. * * Equivalent to \Psr\SimpleCache\CacheInterface::set() * <code> * public function set(string $key, mixed $value, null|int|\DateInterval $ttl = null): bool; * </code> * * @param string $key The key of the item to store. * @param array $value The value of the item to store, must be serializable. * @param null|int $ttl Optional. The TTL value of this item. If no value is sent and * the driver supports TTL then the library may set a default value * for it or let the driver take care of that. * * @return bool True on success and false on failure. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function set_data(string $key, array $value, ?int $ttl = null): bool { if ($ttl === null) { $ttl = 3600; } // place internal cache expiration time $value['__cache_expiration_time'] = time() + $ttl; return $this->cache->save($value); } /** * Delete an item from the cache by its unique key. * * Equivalent to \Psr\SimpleCache\CacheInterface::delete() * <code> * public function delete(string $key): bool; * </code> * * @param string $key The unique cache key of the item to delete. * * @return bool True if the item was successfully removed. False if there was an error. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function delete_data(string $key): bool { return $this->cache->unlink(); } } Cache/NameFilter.php 0000604 00000006044 14717745057 0010327 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2022 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; /** * Interface for creating a cache filename * * @package SimplePie * @subpackage Caching */ interface NameFilter { /** * Method to create cache filename with. * * The returning name MUST follow the rules for keys in PSR-16. * * @link https://www.php-fig.org/psr/psr-16/ * * The returning name MUST be a string of at least one character * that uniquely identifies a cached item, MUST only contain the * characters A-Z, a-z, 0-9, _, and . in any order in UTF-8 encoding * and MUST not longer then 64 characters. The following characters * are reserved for future extensions and MUST NOT be used: {}()/\@: * * A provided implementing library MAY support additional characters * and encodings or longer lengths, but MUST support at least that * minimum. * * @param string $name The name for the cache will be most likly an url with query string * * @return string the new cache name */ public function filter(string $name): string; } Cache/Base.php 0000604 00000007306 14717745057 0007155 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; /** * Base for cache objects * * Classes to be used with {@see \SimplePie\Cache::register()} are expected * to implement this interface. * * @package SimplePie * @subpackage Caching * @deprecated since SimplePie 1.8.0, use "Psr\SimpleCache\CacheInterface" instead */ interface Base { /** * Feed cache type * * @var string */ public const TYPE_FEED = 'spc'; /** * Image cache type * * @var string */ public const TYPE_IMAGE = 'spi'; /** * Create a new cache object * * @param string $location Location string (from SimplePie::$cache_location) * @param string $name Unique ID for the cache * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data */ public function __construct($location, $name, $type); /** * Save data to the cache * * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data); /** * Retrieve the data saved to the cache * * @return array Data for SimplePie::$data */ public function load(); /** * Retrieve the last modified time for the cache * * @return int Timestamp */ public function mtime(); /** * Set the last modified time to the current time * * @return bool Success status */ public function touch(); /** * Remove the cache * * @return bool Success status */ public function unlink(); } class_alias('SimplePie\Cache\Base', 'SimplePie_Cache_Base'); Cache/Memcached.php 0000604 00000013033 14717745057 0010143 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; use Memcached as NativeMemcached; /** * Caches data to memcached * * Registered for URLs with the "memcached" protocol * * For example, `memcached://localhost:11211/?timeout=3600&prefix=sp_` will * connect to memcached on `localhost` on port 11211. All tables will be * prefixed with `sp_` and data will expire after 3600 seconds * * @package SimplePie * @subpackage Caching * @author Paul L. McNeely * @uses Memcached * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead */ class Memcached implements Base { /** * NativeMemcached instance * @var NativeMemcached */ protected $cache; /** * Options * @var array */ protected $options; /** * Cache name * @var string */ protected $name; /** * Create a new cache object * @param string $location Location string (from SimplePie::$cache_location) * @param string $name Unique ID for the cache * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data */ public function __construct($location, $name, $type) { $this->options = [ 'host' => '127.0.0.1', 'port' => 11211, 'extras' => [ 'timeout' => 3600, // one hour 'prefix' => 'simplepie_', ], ]; $this->options = array_replace_recursive($this->options, \SimplePie\Cache::parse_URL($location)); $this->name = $this->options['extras']['prefix'] . md5("$name:$type"); $this->cache = new NativeMemcached(); $this->cache->addServer($this->options['host'], (int)$this->options['port']); } /** * Save data to the cache * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data) { if ($data instanceof \SimplePie\SimplePie) { $data = $data->data; } return $this->setData(serialize($data)); } /** * Retrieve the data saved to the cache * @return array Data for SimplePie::$data */ public function load() { $data = $this->cache->get($this->name); if ($data !== false) { return unserialize($data); } return false; } /** * Retrieve the last modified time for the cache * @return int Timestamp */ public function mtime() { $data = $this->cache->get($this->name . '_mtime'); return (int) $data; } /** * Set the last modified time to the current time * @return bool Success status */ public function touch() { $data = $this->cache->get($this->name); return $this->setData($data); } /** * Remove the cache * @return bool Success status */ public function unlink() { return $this->cache->delete($this->name, 0); } /** * Set the last modified time and data to NativeMemcached * @return bool Success status */ private function setData($data) { if ($data !== false) { $this->cache->set($this->name . '_mtime', time(), (int)$this->options['extras']['timeout']); return $this->cache->set($this->name, $data, (int)$this->options['extras']['timeout']); } return false; } } class_alias('SimplePie\Cache\Memcached', 'SimplePie_Cache_Memcached'); Cache/MySQL.php 0000604 00000036306 14717745057 0007252 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; /** * Caches data to a MySQL database * * Registered for URLs with the "mysql" protocol * * For example, `mysql://root:password@localhost:3306/mydb?prefix=sp_` will * connect to the `mydb` database on `localhost` on port 3306, with the user * `root` and the password `password`. All tables will be prefixed with `sp_` * * @package SimplePie * @subpackage Caching * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead */ class MySQL extends DB { /** * PDO instance * * @var \PDO */ protected $mysql; /** * Options * * @var array */ protected $options; /** * Cache ID * * @var string */ protected $id; /** * Create a new cache object * * @param string $location Location string (from SimplePie::$cache_location) * @param string $name Unique ID for the cache * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data */ public function __construct($location, $name, $type) { $this->options = [ 'user' => null, 'pass' => null, 'host' => '127.0.0.1', 'port' => '3306', 'path' => '', 'extras' => [ 'prefix' => '', 'cache_purge_time' => 2592000 ], ]; $this->options = array_replace_recursive($this->options, \SimplePie\Cache::parse_URL($location)); // Path is prefixed with a "/" $this->options['dbname'] = substr($this->options['path'], 1); try { $this->mysql = new \PDO("mysql:dbname={$this->options['dbname']};host={$this->options['host']};port={$this->options['port']}", $this->options['user'], $this->options['pass'], [\PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8']); } catch (\PDOException $e) { $this->mysql = null; return; } $this->id = $name . $type; if (!$query = $this->mysql->query('SHOW TABLES')) { $this->mysql = null; return; } $db = []; while ($row = $query->fetchColumn()) { $db[] = $row; } if (!in_array($this->options['extras']['prefix'] . 'cache_data', $db)) { $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))'); if ($query === false) { trigger_error("Can't create " . $this->options['extras']['prefix'] . "cache_data table, check permissions", \E_USER_WARNING); $this->mysql = null; return; } } if (!in_array($this->options['extras']['prefix'] . 'items', $db)) { $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` MEDIUMBLOB NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))'); if ($query === false) { trigger_error("Can't create " . $this->options['extras']['prefix'] . "items table, check permissions", \E_USER_WARNING); $this->mysql = null; return; } } } /** * Save data to the cache * * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data) { if ($this->mysql === null) { return false; } $query = $this->mysql->prepare('DELETE i, cd FROM `' . $this->options['extras']['prefix'] . 'cache_data` cd, ' . '`' . $this->options['extras']['prefix'] . 'items` i ' . 'WHERE cd.id = i.feed_id ' . 'AND cd.mtime < (unix_timestamp() - :purge_time)'); $query->bindValue(':purge_time', $this->options['extras']['cache_purge_time']); if (!$query->execute()) { return false; } if ($data instanceof \SimplePie\SimplePie) { $data = clone $data; $prepared = self::prepare_simplepie_object_for_cache($data); $query = $this->mysql->prepare('SELECT COUNT(*) FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed'); $query->bindValue(':feed', $this->id); if ($query->execute()) { if ($query->fetchColumn() > 0) { $items = count($prepared[1]); if ($items) { $sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = :items, `data` = :data, `mtime` = :time WHERE `id` = :feed'; $query = $this->mysql->prepare($sql); $query->bindValue(':items', $items); } else { $sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `data` = :data, `mtime` = :time WHERE `id` = :feed'; $query = $this->mysql->prepare($sql); } $query->bindValue(':data', $prepared[0]); $query->bindValue(':time', time()); $query->bindValue(':feed', $this->id); if (!$query->execute()) { return false; } } else { $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:feed, :count, :data, :time)'); $query->bindValue(':feed', $this->id); $query->bindValue(':count', count($prepared[1])); $query->bindValue(':data', $prepared[0]); $query->bindValue(':time', time()); if (!$query->execute()) { return false; } } $ids = array_keys($prepared[1]); if (!empty($ids)) { foreach ($ids as $id) { $database_ids[] = $this->mysql->quote($id); } $query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `id` = ' . implode(' OR `id` = ', $database_ids) . ' AND `feed_id` = :feed'); $query->bindValue(':feed', $this->id); if ($query->execute()) { $existing_ids = []; while ($row = $query->fetchColumn()) { $existing_ids[] = $row; } $new_ids = array_diff($ids, $existing_ids); foreach ($new_ids as $new_id) { if (!($date = $prepared[1][$new_id]->get_date('U'))) { $date = time(); } $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(:feed, :id, :data, :date)'); $query->bindValue(':feed', $this->id); $query->bindValue(':id', $new_id); $query->bindValue(':data', serialize($prepared[1][$new_id]->data)); $query->bindValue(':date', $date); if (!$query->execute()) { return false; } } return true; } } else { return true; } } } else { $query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed'); $query->bindValue(':feed', $this->id); if ($query->execute()) { if ($query->rowCount() > 0) { $query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = 0, `data` = :data, `mtime` = :time WHERE `id` = :feed'); $query->bindValue(':data', serialize($data)); $query->bindValue(':time', time()); $query->bindValue(':feed', $this->id); if ($query->execute()) { return true; } } else { $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:id, 0, :data, :time)'); $query->bindValue(':id', $this->id); $query->bindValue(':data', serialize($data)); $query->bindValue(':time', time()); if ($query->execute()) { return true; } } } } return false; } /** * Retrieve the data saved to the cache * * @return array Data for SimplePie::$data */ public function load() { if ($this->mysql === null) { return false; } $query = $this->mysql->prepare('SELECT `items`, `data` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id'); $query->bindValue(':id', $this->id); if ($query->execute() && ($row = $query->fetch())) { $data = unserialize($row[1]); if (isset($this->options['items'][0])) { $items = (int) $this->options['items'][0]; } else { $items = (int) $row[0]; } if ($items !== 0) { if (isset($data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['feed'][0])) { $feed = &$data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['feed'][0]; } elseif (isset($data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['feed'][0])) { $feed = &$data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['feed'][0]; } elseif (isset($data['child'][\SimplePie\SimplePie::NAMESPACE_RDF]['RDF'][0])) { $feed = &$data['child'][\SimplePie\SimplePie::NAMESPACE_RDF]['RDF'][0]; } elseif (isset($data['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['rss'][0])) { $feed = &$data['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['rss'][0]; } else { $feed = null; } if ($feed !== null) { $sql = 'SELECT `data` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :feed ORDER BY `posted` DESC'; if ($items > 0) { $sql .= ' LIMIT ' . $items; } $query = $this->mysql->prepare($sql); $query->bindValue(':feed', $this->id); if ($query->execute()) { while ($row = $query->fetchColumn()) { $feed['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['entry'][] = unserialize($row); } } else { return false; } } } return $data; } return false; } /** * Retrieve the last modified time for the cache * * @return int Timestamp */ public function mtime() { if ($this->mysql === null) { return false; } $query = $this->mysql->prepare('SELECT `mtime` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id'); $query->bindValue(':id', $this->id); if ($query->execute() && ($time = $query->fetchColumn())) { return $time; } return false; } /** * Set the last modified time to the current time * * @return bool Success status */ public function touch() { if ($this->mysql === null) { return false; } $query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `mtime` = :time WHERE `id` = :id'); $query->bindValue(':time', time()); $query->bindValue(':id', $this->id); return $query->execute() && $query->rowCount() > 0; } /** * Remove the cache * * @return bool Success status */ public function unlink() { if ($this->mysql === null) { return false; } $query = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id'); $query->bindValue(':id', $this->id); $query2 = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :id'); $query2->bindValue(':id', $this->id); return $query->execute() && $query2->execute(); } } class_alias('SimplePie\Cache\MySQL', 'SimplePie_Cache_MySQL'); Cache/Memcache.php 0000604 00000012717 14717745057 0010007 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; use Memcache as NativeMemcache; /** * Caches data to memcache * * Registered for URLs with the "memcache" protocol * * For example, `memcache://localhost:11211/?timeout=3600&prefix=sp_` will * connect to memcache on `localhost` on port 11211. All tables will be * prefixed with `sp_` and data will expire after 3600 seconds * * @package SimplePie * @subpackage Caching * @uses Memcache * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead */ class Memcache implements Base { /** * Memcache instance * * @var Memcache */ protected $cache; /** * Options * * @var array */ protected $options; /** * Cache name * * @var string */ protected $name; /** * Create a new cache object * * @param string $location Location string (from SimplePie::$cache_location) * @param string $name Unique ID for the cache * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data */ public function __construct($location, $name, $type) { $this->options = [ 'host' => '127.0.0.1', 'port' => 11211, 'extras' => [ 'timeout' => 3600, // one hour 'prefix' => 'simplepie_', ], ]; $this->options = array_replace_recursive($this->options, \SimplePie\Cache::parse_URL($location)); $this->name = $this->options['extras']['prefix'] . md5("$name:$type"); $this->cache = new NativeMemcache(); $this->cache->addServer($this->options['host'], (int) $this->options['port']); } /** * Save data to the cache * * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data) { if ($data instanceof \SimplePie\SimplePie) { $data = $data->data; } return $this->cache->set($this->name, serialize($data), MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']); } /** * Retrieve the data saved to the cache * * @return array Data for SimplePie::$data */ public function load() { $data = $this->cache->get($this->name); if ($data !== false) { return unserialize($data); } return false; } /** * Retrieve the last modified time for the cache * * @return int Timestamp */ public function mtime() { $data = $this->cache->get($this->name); if ($data !== false) { // essentially ignore the mtime because Memcache expires on its own return time(); } return false; } /** * Set the last modified time to the current time * * @return bool Success status */ public function touch() { $data = $this->cache->get($this->name); if ($data !== false) { return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']); } return false; } /** * Remove the cache * * @return bool Success status */ public function unlink() { return $this->cache->delete($this->name, 0); } } class_alias('SimplePie\Cache\Memcache', 'SimplePie_Cache_Memcache'); Cache/DataCache.php 0000604 00000011167 14717745057 0010100 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2022 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; use InvalidArgumentException; /** * Subset of PSR-16 Cache client for caching data arrays * * Only get(), set() and delete() methods are used, * but not has(), getMultiple(), setMultiple() or deleteMultiple(). * * The methods names must be different, but should be compatible to the * methods of \Psr\SimpleCache\CacheInterface. * * @package SimplePie * @subpackage Caching * @internal */ interface DataCache { /** * Fetches a value from the cache. * * Equivalent to \Psr\SimpleCache\CacheInterface::get() * <code> * public function get(string $key, mixed $default = null): mixed; * </code> * * @param string $key The unique key of this item in the cache. * @param mixed $default Default value to return if the key does not exist. * * @return array|mixed The value of the item from the cache, or $default in case of cache miss. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function get_data(string $key, $default = null); /** * Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time. * * Equivalent to \Psr\SimpleCache\CacheInterface::set() * <code> * public function set(string $key, mixed $value, null|int|\DateInterval $ttl = null): bool; * </code> * * @param string $key The key of the item to store. * @param array $value The value of the item to store, must be serializable. * @param null|int $ttl Optional. The TTL value of this item. If no value is sent and * the driver supports TTL then the library may set a default value * for it or let the driver take care of that. * * @return bool True on success and false on failure. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function set_data(string $key, array $value, ?int $ttl = null): bool; /** * Delete an item from the cache by its unique key. * * Equivalent to \Psr\SimpleCache\CacheInterface::delete() * <code> * public function delete(string $key): bool; * </code> * * @param string $key The unique cache key of the item to delete. * * @return bool True if the item was successfully removed. False if there was an error. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function delete_data(string $key): bool; } Cache/Psr16.php 0000604 00000012023 14717745057 0007206 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2022 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; use Psr\SimpleCache\CacheInterface; use Psr\SimpleCache\InvalidArgumentException; /** * Caches data into a PSR-16 cache implementation * * @package SimplePie * @subpackage Caching * @internal */ final class Psr16 implements DataCache { /** * PSR-16 cache implementation * * @var CacheInterface */ private $cache; /** * PSR-16 cache implementation * * @param CacheInterface $cache */ public function __construct(CacheInterface $cache) { $this->cache = $cache; } /** * Fetches a value from the cache. * * Equivalent to \Psr\SimpleCache\CacheInterface::get() * <code> * public function get(string $key, mixed $default = null): mixed; * </code> * * @param string $key The unique key of this item in the cache. * @param mixed $default Default value to return if the key does not exist. * * @return array|mixed The value of the item from the cache, or $default in case of cache miss. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function get_data(string $key, $default = null) { $data = $this->cache->get($key, $default); if (!is_array($data) || $data === $default) { return $default; } return $data; } /** * Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time. * * Equivalent to \Psr\SimpleCache\CacheInterface::set() * <code> * public function set(string $key, mixed $value, null|int|\DateInterval $ttl = null): bool; * </code> * * @param string $key The key of the item to store. * @param array $value The value of the item to store, must be serializable. * @param null|int $ttl Optional. The TTL value of this item. If no value is sent and * the driver supports TTL then the library may set a default value * for it or let the driver take care of that. * * @return bool True on success and false on failure. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function set_data(string $key, array $value, ?int $ttl = null): bool { return $this->cache->set($key, $value, $ttl); } /** * Delete an item from the cache by its unique key. * * Equivalent to \Psr\SimpleCache\CacheInterface::delete() * <code> * public function delete(string $key): bool; * </code> * * @param string $key The unique cache key of the item to delete. * * @return bool True if the item was successfully removed. False if there was an error. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function delete_data(string $key): bool { return $this->cache->delete($key); } } Cache/Redis.php 0000604 00000013665 14717745057 0007356 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; use Redis as NativeRedis; /** * Caches data to redis * * Registered for URLs with the "redis" protocol * * For example, `redis://localhost:6379/?timeout=3600&prefix=sp_&dbIndex=0` will * connect to redis on `localhost` on port 6379. All tables will be * prefixed with `simple_primary-` and data will expire after 3600 seconds * * @package SimplePie * @subpackage Caching * @uses Redis * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead */ class Redis implements Base { /** * Redis instance * * @var NativeRedis */ protected $cache; /** * Options * * @var array */ protected $options; /** * Cache name * * @var string */ protected $name; /** * Create a new cache object * * @param string $location Location string (from SimplePie::$cache_location) * @param string $name Unique ID for the cache * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data */ public function __construct($location, $name, $options = null) { //$this->cache = \flow\simple\cache\Redis::getRedisClientInstance(); $parsed = \SimplePie\Cache::parse_URL($location); $redis = new NativeRedis(); $redis->connect($parsed['host'], $parsed['port']); if (isset($parsed['pass'])) { $redis->auth($parsed['pass']); } if (isset($parsed['path'])) { $redis->select((int)substr($parsed['path'], 1)); } $this->cache = $redis; if (!is_null($options) && is_array($options)) { $this->options = $options; } else { $this->options = [ 'prefix' => 'rss:simple_primary:', 'expire' => 0, ]; } $this->name = $this->options['prefix'] . $name; } /** * @param NativeRedis $cache */ public function setRedisClient(NativeRedis $cache) { $this->cache = $cache; } /** * Save data to the cache * * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data) { if ($data instanceof \SimplePie\SimplePie) { $data = $data->data; } $response = $this->cache->set($this->name, serialize($data)); if ($this->options['expire']) { $this->cache->expire($this->name, $this->options['expire']); } return $response; } /** * Retrieve the data saved to the cache * * @return array Data for SimplePie::$data */ public function load() { $data = $this->cache->get($this->name); if ($data !== false) { return unserialize($data); } return false; } /** * Retrieve the last modified time for the cache * * @return int Timestamp */ public function mtime() { $data = $this->cache->get($this->name); if ($data !== false) { return time(); } return false; } /** * Set the last modified time to the current time * * @return bool Success status */ public function touch() { $data = $this->cache->get($this->name); if ($data !== false) { $return = $this->cache->set($this->name, $data); if ($this->options['expire']) { return $this->cache->expire($this->name, $this->options['expire']); } return $return; } return false; } /** * Remove the cache * * @return bool Success status */ public function unlink() { return $this->cache->set($this->name, null); } } class_alias('SimplePie\Cache\Redis', 'SimplePie_Cache_Redis'); Cache/DB.php 0000604 00000012676 14717745057 0006576 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; /** * Base class for database-based caches * * @package SimplePie * @subpackage Caching * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead */ abstract class DB implements Base { /** * Helper for database conversion * * Converts a given {@see SimplePie} object into data to be stored * * @param \SimplePie\SimplePie $data * @return array First item is the serialized data for storage, second item is the unique ID for this item */ protected static function prepare_simplepie_object_for_cache($data) { $items = $data->get_items(); $items_by_id = []; if (!empty($items)) { foreach ($items as $item) { $items_by_id[$item->get_id()] = $item; } if (count($items_by_id) !== count($items)) { $items_by_id = []; foreach ($items as $item) { $items_by_id[$item->get_id(true)] = $item; } } if (isset($data->data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['feed'][0])) { $channel = &$data->data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['feed'][0]; } elseif (isset($data->data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['feed'][0])) { $channel = &$data->data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['feed'][0]; } elseif (isset($data->data['child'][\SimplePie\SimplePie::NAMESPACE_RDF]['RDF'][0])) { $channel = &$data->data['child'][\SimplePie\SimplePie::NAMESPACE_RDF]['RDF'][0]; } elseif (isset($data->data['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['rss'][0]['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['channel'][0])) { $channel = &$data->data['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['rss'][0]['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['channel'][0]; } else { $channel = null; } if ($channel !== null) { if (isset($channel['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['entry'])) { unset($channel['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['entry']); } if (isset($channel['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['entry'])) { unset($channel['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['entry']); } if (isset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_10]['item'])) { unset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_10]['item']); } if (isset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_090]['item'])) { unset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_090]['item']); } if (isset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['item'])) { unset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['item']); } } if (isset($data->data['items'])) { unset($data->data['items']); } if (isset($data->data['ordered_items'])) { unset($data->data['ordered_items']); } } return [serialize($data->data), $items_by_id]; } } class_alias('SimplePie\Cache\DB', 'SimplePie_Cache_DB'); Cache/File.php 0000604 00000011374 14717745057 0007162 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Cache; /** * Caches data to the filesystem * * @package SimplePie * @subpackage Caching * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead */ class File implements Base { /** * Location string * * @see SimplePie::$cache_location * @var string */ protected $location; /** * Filename * * @var string */ protected $filename; /** * File extension * * @var string */ protected $extension; /** * File path * * @var string */ protected $name; /** * Create a new cache object * * @param string $location Location string (from SimplePie::$cache_location) * @param string $name Unique ID for the cache * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data */ public function __construct($location, $name, $type) { $this->location = $location; $this->filename = $name; $this->extension = $type; $this->name = "$this->location/$this->filename.$this->extension"; } /** * Save data to the cache * * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data) { if (file_exists($this->name) && is_writable($this->name) || file_exists($this->location) && is_writable($this->location)) { if ($data instanceof \SimplePie\SimplePie) { $data = $data->data; } $data = serialize($data); return (bool) file_put_contents($this->name, $data); } return false; } /** * Retrieve the data saved to the cache * * @return array Data for SimplePie::$data */ public function load() { if (file_exists($this->name) && is_readable($this->name)) { return unserialize(file_get_contents($this->name)); } return false; } /** * Retrieve the last modified time for the cache * * @return int Timestamp */ public function mtime() { return @filemtime($this->name); } /** * Set the last modified time to the current time * * @return bool Success status */ public function touch() { return @touch($this->name); } /** * Remove the cache * * @return bool Success status */ public function unlink() { if (file_exists($this->name)) { return unlink($this->name); } return false; } } class_alias('SimplePie\Cache\File', 'SimplePie_Cache_File'); Content/Type/Sniffer.php 0000604 00000022112 14717745057 0011217 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Content\Type; /** * Content-type sniffing * * Based on the rules in http://tools.ietf.org/html/draft-abarth-mime-sniff-06 * * This is used since we can't always trust Content-Type headers, and is based * upon the HTML5 parsing rules. * * * This class can be overloaded with {@see \SimplePie\SimplePie::set_content_type_sniffer_class()} * * @package SimplePie * @subpackage HTTP */ class Sniffer { /** * File object * * @var \SimplePie\File */ public $file; /** * Create an instance of the class with the input file * * @param Sniffer $file Input file */ public function __construct($file) { $this->file = $file; } /** * Get the Content-Type of the specified file * * @return string Actual Content-Type */ public function get_type() { if (isset($this->file->headers['content-type'])) { if (!isset($this->file->headers['content-encoding']) && ($this->file->headers['content-type'] === 'text/plain' || $this->file->headers['content-type'] === 'text/plain; charset=ISO-8859-1' || $this->file->headers['content-type'] === 'text/plain; charset=iso-8859-1' || $this->file->headers['content-type'] === 'text/plain; charset=UTF-8')) { return $this->text_or_binary(); } if (($pos = strpos($this->file->headers['content-type'], ';')) !== false) { $official = substr($this->file->headers['content-type'], 0, $pos); } else { $official = $this->file->headers['content-type']; } $official = trim(strtolower($official)); if ($official === 'unknown/unknown' || $official === 'application/unknown') { return $this->unknown(); } elseif (substr($official, -4) === '+xml' || $official === 'text/xml' || $official === 'application/xml') { return $official; } elseif (substr($official, 0, 6) === 'image/') { if ($return = $this->image()) { return $return; } return $official; } elseif ($official === 'text/html') { return $this->feed_or_html(); } return $official; } return $this->unknown(); } /** * Sniff text or binary * * @return string Actual Content-Type */ public function text_or_binary() { if (substr($this->file->body, 0, 2) === "\xFE\xFF" || substr($this->file->body, 0, 2) === "\xFF\xFE" || substr($this->file->body, 0, 4) === "\x00\x00\xFE\xFF" || substr($this->file->body, 0, 3) === "\xEF\xBB\xBF") { return 'text/plain'; } elseif (preg_match('/[\x00-\x08\x0E-\x1A\x1C-\x1F]/', $this->file->body)) { return 'application/octet-stream'; } return 'text/plain'; } /** * Sniff unknown * * @return string Actual Content-Type */ public function unknown() { $ws = strspn($this->file->body, "\x09\x0A\x0B\x0C\x0D\x20"); if (strtolower(substr($this->file->body, $ws, 14)) === '<!doctype html' || strtolower(substr($this->file->body, $ws, 5)) === '<html' || strtolower(substr($this->file->body, $ws, 7)) === '<script') { return 'text/html'; } elseif (substr($this->file->body, 0, 5) === '%PDF-') { return 'application/pdf'; } elseif (substr($this->file->body, 0, 11) === '%!PS-Adobe-') { return 'application/postscript'; } elseif (substr($this->file->body, 0, 6) === 'GIF87a' || substr($this->file->body, 0, 6) === 'GIF89a') { return 'image/gif'; } elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A") { return 'image/png'; } elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF") { return 'image/jpeg'; } elseif (substr($this->file->body, 0, 2) === "\x42\x4D") { return 'image/bmp'; } elseif (substr($this->file->body, 0, 4) === "\x00\x00\x01\x00") { return 'image/vnd.microsoft.icon'; } return $this->text_or_binary(); } /** * Sniff images * * @return string Actual Content-Type */ public function image() { if (substr($this->file->body, 0, 6) === 'GIF87a' || substr($this->file->body, 0, 6) === 'GIF89a') { return 'image/gif'; } elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A") { return 'image/png'; } elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF") { return 'image/jpeg'; } elseif (substr($this->file->body, 0, 2) === "\x42\x4D") { return 'image/bmp'; } elseif (substr($this->file->body, 0, 4) === "\x00\x00\x01\x00") { return 'image/vnd.microsoft.icon'; } return false; } /** * Sniff HTML * * @return string Actual Content-Type */ public function feed_or_html() { $len = strlen($this->file->body); $pos = strspn($this->file->body, "\x09\x0A\x0D\x20\xEF\xBB\xBF"); while ($pos < $len) { switch ($this->file->body[$pos]) { case "\x09": case "\x0A": case "\x0D": case "\x20": $pos += strspn($this->file->body, "\x09\x0A\x0D\x20", $pos); continue 2; case '<': $pos++; break; default: return 'text/html'; } if (substr($this->file->body, $pos, 3) === '!--') { $pos += 3; if ($pos < $len && ($pos = strpos($this->file->body, '-->', $pos)) !== false) { $pos += 3; } else { return 'text/html'; } } elseif (substr($this->file->body, $pos, 1) === '!') { if ($pos < $len && ($pos = strpos($this->file->body, '>', $pos)) !== false) { $pos++; } else { return 'text/html'; } } elseif (substr($this->file->body, $pos, 1) === '?') { if ($pos < $len && ($pos = strpos($this->file->body, '?>', $pos)) !== false) { $pos += 2; } else { return 'text/html'; } } elseif (substr($this->file->body, $pos, 3) === 'rss' || substr($this->file->body, $pos, 7) === 'rdf:RDF') { return 'application/rss+xml'; } elseif (substr($this->file->body, $pos, 4) === 'feed') { return 'application/atom+xml'; } else { return 'text/html'; } } return 'text/html'; } } class_alias('SimplePie\Content\Type\Sniffer', 'SimplePie_Content_Type_Sniffer'); Decode/HTML/Entities.php 0000604 00000041531 14717745057 0011011 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ /** * Decode HTML Entities * * This implements HTML5 as of revision 967 (2007-06-28) * * @deprecated Use DOMDocument instead! * @package SimplePie */ class SimplePie_Decode_HTML_Entities { /** * Data to be parsed * * @access private * @var string */ var $data = ''; /** * Currently consumed bytes * * @access private * @var string */ var $consumed = ''; /** * Position of the current byte being parsed * * @access private * @var int */ var $position = 0; /** * Create an instance of the class with the input data * * @access public * @param string $data Input data */ public function __construct($data) { $this->data = $data; } /** * Parse the input data * * @access public * @return string Output data */ public function parse() { while (($this->position = strpos($this->data, '&', $this->position)) !== false) { $this->consume(); $this->entity(); $this->consumed = ''; } return $this->data; } /** * Consume the next byte * * @access private * @return mixed The next byte, or false, if there is no more data */ public function consume() { if (isset($this->data[$this->position])) { $this->consumed .= $this->data[$this->position]; return $this->data[$this->position++]; } return false; } /** * Consume a range of characters * * @access private * @param string $chars Characters to consume * @return mixed A series of characters that match the range, or false */ public function consume_range($chars) { if ($len = strspn($this->data, $chars, $this->position)) { $data = substr($this->data, $this->position, $len); $this->consumed .= $data; $this->position += $len; return $data; } return false; } /** * Unconsume one byte * * @access private */ public function unconsume() { $this->consumed = substr($this->consumed, 0, -1); $this->position--; } /** * Decode an entity * * @access private */ public function entity() { switch ($this->consume()) { case "\x09": case "\x0A": case "\x0B": case "\x0C": case "\x20": case "\x3C": case "\x26": case false: break; case "\x23": switch ($this->consume()) { case "\x78": case "\x58": $range = '0123456789ABCDEFabcdef'; $hex = true; break; default: $range = '0123456789'; $hex = false; $this->unconsume(); break; } if ($codepoint = $this->consume_range($range)) { static $windows_1252_specials = array(0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8"); if ($hex) { $codepoint = hexdec($codepoint); } else { $codepoint = intval($codepoint); } if (isset($windows_1252_specials[$codepoint])) { $replacement = $windows_1252_specials[$codepoint]; } else { $replacement = SimplePie_Misc::codepoint_to_utf8($codepoint); } if (!in_array($this->consume(), array(';', false), true)) { $this->unconsume(); } $consumed_length = strlen($this->consumed); $this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length); $this->position += strlen($replacement) - $consumed_length; } break; default: static $entities = array( 'Aacute' => "\xC3\x81", 'aacute' => "\xC3\xA1", 'Aacute;' => "\xC3\x81", 'aacute;' => "\xC3\xA1", 'Acirc' => "\xC3\x82", 'acirc' => "\xC3\xA2", 'Acirc;' => "\xC3\x82", 'acirc;' => "\xC3\xA2", 'acute' => "\xC2\xB4", 'acute;' => "\xC2\xB4", 'AElig' => "\xC3\x86", 'aelig' => "\xC3\xA6", 'AElig;' => "\xC3\x86", 'aelig;' => "\xC3\xA6", 'Agrave' => "\xC3\x80", 'agrave' => "\xC3\xA0", 'Agrave;' => "\xC3\x80", 'agrave;' => "\xC3\xA0", 'alefsym;' => "\xE2\x84\xB5", 'Alpha;' => "\xCE\x91", 'alpha;' => "\xCE\xB1", 'AMP' => "\x26", 'amp' => "\x26", 'AMP;' => "\x26", 'amp;' => "\x26", 'and;' => "\xE2\x88\xA7", 'ang;' => "\xE2\x88\xA0", 'apos;' => "\x27", 'Aring' => "\xC3\x85", 'aring' => "\xC3\xA5", 'Aring;' => "\xC3\x85", 'aring;' => "\xC3\xA5", 'asymp;' => "\xE2\x89\x88", 'Atilde' => "\xC3\x83", 'atilde' => "\xC3\xA3", 'Atilde;' => "\xC3\x83", 'atilde;' => "\xC3\xA3", 'Auml' => "\xC3\x84", 'auml' => "\xC3\xA4", 'Auml;' => "\xC3\x84", 'auml;' => "\xC3\xA4", 'bdquo;' => "\xE2\x80\x9E", 'Beta;' => "\xCE\x92", 'beta;' => "\xCE\xB2", 'brvbar' => "\xC2\xA6", 'brvbar;' => "\xC2\xA6", 'bull;' => "\xE2\x80\xA2", 'cap;' => "\xE2\x88\xA9", 'Ccedil' => "\xC3\x87", 'ccedil' => "\xC3\xA7", 'Ccedil;' => "\xC3\x87", 'ccedil;' => "\xC3\xA7", 'cedil' => "\xC2\xB8", 'cedil;' => "\xC2\xB8", 'cent' => "\xC2\xA2", 'cent;' => "\xC2\xA2", 'Chi;' => "\xCE\xA7", 'chi;' => "\xCF\x87", 'circ;' => "\xCB\x86", 'clubs;' => "\xE2\x99\xA3", 'cong;' => "\xE2\x89\x85", 'COPY' => "\xC2\xA9", 'copy' => "\xC2\xA9", 'COPY;' => "\xC2\xA9", 'copy;' => "\xC2\xA9", 'crarr;' => "\xE2\x86\xB5", 'cup;' => "\xE2\x88\xAA", 'curren' => "\xC2\xA4", 'curren;' => "\xC2\xA4", 'Dagger;' => "\xE2\x80\xA1", 'dagger;' => "\xE2\x80\xA0", 'dArr;' => "\xE2\x87\x93", 'darr;' => "\xE2\x86\x93", 'deg' => "\xC2\xB0", 'deg;' => "\xC2\xB0", 'Delta;' => "\xCE\x94", 'delta;' => "\xCE\xB4", 'diams;' => "\xE2\x99\xA6", 'divide' => "\xC3\xB7", 'divide;' => "\xC3\xB7", 'Eacute' => "\xC3\x89", 'eacute' => "\xC3\xA9", 'Eacute;' => "\xC3\x89", 'eacute;' => "\xC3\xA9", 'Ecirc' => "\xC3\x8A", 'ecirc' => "\xC3\xAA", 'Ecirc;' => "\xC3\x8A", 'ecirc;' => "\xC3\xAA", 'Egrave' => "\xC3\x88", 'egrave' => "\xC3\xA8", 'Egrave;' => "\xC3\x88", 'egrave;' => "\xC3\xA8", 'empty;' => "\xE2\x88\x85", 'emsp;' => "\xE2\x80\x83", 'ensp;' => "\xE2\x80\x82", 'Epsilon;' => "\xCE\x95", 'epsilon;' => "\xCE\xB5", 'equiv;' => "\xE2\x89\xA1", 'Eta;' => "\xCE\x97", 'eta;' => "\xCE\xB7", 'ETH' => "\xC3\x90", 'eth' => "\xC3\xB0", 'ETH;' => "\xC3\x90", 'eth;' => "\xC3\xB0", 'Euml' => "\xC3\x8B", 'euml' => "\xC3\xAB", 'Euml;' => "\xC3\x8B", 'euml;' => "\xC3\xAB", 'euro;' => "\xE2\x82\xAC", 'exist;' => "\xE2\x88\x83", 'fnof;' => "\xC6\x92", 'forall;' => "\xE2\x88\x80", 'frac12' => "\xC2\xBD", 'frac12;' => "\xC2\xBD", 'frac14' => "\xC2\xBC", 'frac14;' => "\xC2\xBC", 'frac34' => "\xC2\xBE", 'frac34;' => "\xC2\xBE", 'frasl;' => "\xE2\x81\x84", 'Gamma;' => "\xCE\x93", 'gamma;' => "\xCE\xB3", 'ge;' => "\xE2\x89\xA5", 'GT' => "\x3E", 'gt' => "\x3E", 'GT;' => "\x3E", 'gt;' => "\x3E", 'hArr;' => "\xE2\x87\x94", 'harr;' => "\xE2\x86\x94", 'hearts;' => "\xE2\x99\xA5", 'hellip;' => "\xE2\x80\xA6", 'Iacute' => "\xC3\x8D", 'iacute' => "\xC3\xAD", 'Iacute;' => "\xC3\x8D", 'iacute;' => "\xC3\xAD", 'Icirc' => "\xC3\x8E", 'icirc' => "\xC3\xAE", 'Icirc;' => "\xC3\x8E", 'icirc;' => "\xC3\xAE", 'iexcl' => "\xC2\xA1", 'iexcl;' => "\xC2\xA1", 'Igrave' => "\xC3\x8C", 'igrave' => "\xC3\xAC", 'Igrave;' => "\xC3\x8C", 'igrave;' => "\xC3\xAC", 'image;' => "\xE2\x84\x91", 'infin;' => "\xE2\x88\x9E", 'int;' => "\xE2\x88\xAB", 'Iota;' => "\xCE\x99", 'iota;' => "\xCE\xB9", 'iquest' => "\xC2\xBF", 'iquest;' => "\xC2\xBF", 'isin;' => "\xE2\x88\x88", 'Iuml' => "\xC3\x8F", 'iuml' => "\xC3\xAF", 'Iuml;' => "\xC3\x8F", 'iuml;' => "\xC3\xAF", 'Kappa;' => "\xCE\x9A", 'kappa;' => "\xCE\xBA", 'Lambda;' => "\xCE\x9B", 'lambda;' => "\xCE\xBB", 'lang;' => "\xE3\x80\x88", 'laquo' => "\xC2\xAB", 'laquo;' => "\xC2\xAB", 'lArr;' => "\xE2\x87\x90", 'larr;' => "\xE2\x86\x90", 'lceil;' => "\xE2\x8C\x88", 'ldquo;' => "\xE2\x80\x9C", 'le;' => "\xE2\x89\xA4", 'lfloor;' => "\xE2\x8C\x8A", 'lowast;' => "\xE2\x88\x97", 'loz;' => "\xE2\x97\x8A", 'lrm;' => "\xE2\x80\x8E", 'lsaquo;' => "\xE2\x80\xB9", 'lsquo;' => "\xE2\x80\x98", 'LT' => "\x3C", 'lt' => "\x3C", 'LT;' => "\x3C", 'lt;' => "\x3C", 'macr' => "\xC2\xAF", 'macr;' => "\xC2\xAF", 'mdash;' => "\xE2\x80\x94", 'micro' => "\xC2\xB5", 'micro;' => "\xC2\xB5", 'middot' => "\xC2\xB7", 'middot;' => "\xC2\xB7", 'minus;' => "\xE2\x88\x92", 'Mu;' => "\xCE\x9C", 'mu;' => "\xCE\xBC", 'nabla;' => "\xE2\x88\x87", 'nbsp' => "\xC2\xA0", 'nbsp;' => "\xC2\xA0", 'ndash;' => "\xE2\x80\x93", 'ne;' => "\xE2\x89\xA0", 'ni;' => "\xE2\x88\x8B", 'not' => "\xC2\xAC", 'not;' => "\xC2\xAC", 'notin;' => "\xE2\x88\x89", 'nsub;' => "\xE2\x8A\x84", 'Ntilde' => "\xC3\x91", 'ntilde' => "\xC3\xB1", 'Ntilde;' => "\xC3\x91", 'ntilde;' => "\xC3\xB1", 'Nu;' => "\xCE\x9D", 'nu;' => "\xCE\xBD", 'Oacute' => "\xC3\x93", 'oacute' => "\xC3\xB3", 'Oacute;' => "\xC3\x93", 'oacute;' => "\xC3\xB3", 'Ocirc' => "\xC3\x94", 'ocirc' => "\xC3\xB4", 'Ocirc;' => "\xC3\x94", 'ocirc;' => "\xC3\xB4", 'OElig;' => "\xC5\x92", 'oelig;' => "\xC5\x93", 'Ograve' => "\xC3\x92", 'ograve' => "\xC3\xB2", 'Ograve;' => "\xC3\x92", 'ograve;' => "\xC3\xB2", 'oline;' => "\xE2\x80\xBE", 'Omega;' => "\xCE\xA9", 'omega;' => "\xCF\x89", 'Omicron;' => "\xCE\x9F", 'omicron;' => "\xCE\xBF", 'oplus;' => "\xE2\x8A\x95", 'or;' => "\xE2\x88\xA8", 'ordf' => "\xC2\xAA", 'ordf;' => "\xC2\xAA", 'ordm' => "\xC2\xBA", 'ordm;' => "\xC2\xBA", 'Oslash' => "\xC3\x98", 'oslash' => "\xC3\xB8", 'Oslash;' => "\xC3\x98", 'oslash;' => "\xC3\xB8", 'Otilde' => "\xC3\x95", 'otilde' => "\xC3\xB5", 'Otilde;' => "\xC3\x95", 'otilde;' => "\xC3\xB5", 'otimes;' => "\xE2\x8A\x97", 'Ouml' => "\xC3\x96", 'ouml' => "\xC3\xB6", 'Ouml;' => "\xC3\x96", 'ouml;' => "\xC3\xB6", 'para' => "\xC2\xB6", 'para;' => "\xC2\xB6", 'part;' => "\xE2\x88\x82", 'permil;' => "\xE2\x80\xB0", 'perp;' => "\xE2\x8A\xA5", 'Phi;' => "\xCE\xA6", 'phi;' => "\xCF\x86", 'Pi;' => "\xCE\xA0", 'pi;' => "\xCF\x80", 'piv;' => "\xCF\x96", 'plusmn' => "\xC2\xB1", 'plusmn;' => "\xC2\xB1", 'pound' => "\xC2\xA3", 'pound;' => "\xC2\xA3", 'Prime;' => "\xE2\x80\xB3", 'prime;' => "\xE2\x80\xB2", 'prod;' => "\xE2\x88\x8F", 'prop;' => "\xE2\x88\x9D", 'Psi;' => "\xCE\xA8", 'psi;' => "\xCF\x88", 'QUOT' => "\x22", 'quot' => "\x22", 'QUOT;' => "\x22", 'quot;' => "\x22", 'radic;' => "\xE2\x88\x9A", 'rang;' => "\xE3\x80\x89", 'raquo' => "\xC2\xBB", 'raquo;' => "\xC2\xBB", 'rArr;' => "\xE2\x87\x92", 'rarr;' => "\xE2\x86\x92", 'rceil;' => "\xE2\x8C\x89", 'rdquo;' => "\xE2\x80\x9D", 'real;' => "\xE2\x84\x9C", 'REG' => "\xC2\xAE", 'reg' => "\xC2\xAE", 'REG;' => "\xC2\xAE", 'reg;' => "\xC2\xAE", 'rfloor;' => "\xE2\x8C\x8B", 'Rho;' => "\xCE\xA1", 'rho;' => "\xCF\x81", 'rlm;' => "\xE2\x80\x8F", 'rsaquo;' => "\xE2\x80\xBA", 'rsquo;' => "\xE2\x80\x99", 'sbquo;' => "\xE2\x80\x9A", 'Scaron;' => "\xC5\xA0", 'scaron;' => "\xC5\xA1", 'sdot;' => "\xE2\x8B\x85", 'sect' => "\xC2\xA7", 'sect;' => "\xC2\xA7", 'shy' => "\xC2\xAD", 'shy;' => "\xC2\xAD", 'Sigma;' => "\xCE\xA3", 'sigma;' => "\xCF\x83", 'sigmaf;' => "\xCF\x82", 'sim;' => "\xE2\x88\xBC", 'spades;' => "\xE2\x99\xA0", 'sub;' => "\xE2\x8A\x82", 'sube;' => "\xE2\x8A\x86", 'sum;' => "\xE2\x88\x91", 'sup;' => "\xE2\x8A\x83", 'sup1' => "\xC2\xB9", 'sup1;' => "\xC2\xB9", 'sup2' => "\xC2\xB2", 'sup2;' => "\xC2\xB2", 'sup3' => "\xC2\xB3", 'sup3;' => "\xC2\xB3", 'supe;' => "\xE2\x8A\x87", 'szlig' => "\xC3\x9F", 'szlig;' => "\xC3\x9F", 'Tau;' => "\xCE\xA4", 'tau;' => "\xCF\x84", 'there4;' => "\xE2\x88\xB4", 'Theta;' => "\xCE\x98", 'theta;' => "\xCE\xB8", 'thetasym;' => "\xCF\x91", 'thinsp;' => "\xE2\x80\x89", 'THORN' => "\xC3\x9E", 'thorn' => "\xC3\xBE", 'THORN;' => "\xC3\x9E", 'thorn;' => "\xC3\xBE", 'tilde;' => "\xCB\x9C", 'times' => "\xC3\x97", 'times;' => "\xC3\x97", 'TRADE;' => "\xE2\x84\xA2", 'trade;' => "\xE2\x84\xA2", 'Uacute' => "\xC3\x9A", 'uacute' => "\xC3\xBA", 'Uacute;' => "\xC3\x9A", 'uacute;' => "\xC3\xBA", 'uArr;' => "\xE2\x87\x91", 'uarr;' => "\xE2\x86\x91", 'Ucirc' => "\xC3\x9B", 'ucirc' => "\xC3\xBB", 'Ucirc;' => "\xC3\x9B", 'ucirc;' => "\xC3\xBB", 'Ugrave' => "\xC3\x99", 'ugrave' => "\xC3\xB9", 'Ugrave;' => "\xC3\x99", 'ugrave;' => "\xC3\xB9", 'uml' => "\xC2\xA8", 'uml;' => "\xC2\xA8", 'upsih;' => "\xCF\x92", 'Upsilon;' => "\xCE\xA5", 'upsilon;' => "\xCF\x85", 'Uuml' => "\xC3\x9C", 'uuml' => "\xC3\xBC", 'Uuml;' => "\xC3\x9C", 'uuml;' => "\xC3\xBC", 'weierp;' => "\xE2\x84\x98", 'Xi;' => "\xCE\x9E", 'xi;' => "\xCE\xBE", 'Yacute' => "\xC3\x9D", 'yacute' => "\xC3\xBD", 'Yacute;' => "\xC3\x9D", 'yacute;' => "\xC3\xBD", 'yen' => "\xC2\xA5", 'yen;' => "\xC2\xA5", 'yuml' => "\xC3\xBF", 'Yuml;' => "\xC5\xB8", 'yuml;' => "\xC3\xBF", 'Zeta;' => "\xCE\x96", 'zeta;' => "\xCE\xB6", 'zwj;' => "\xE2\x80\x8D", 'zwnj;' => "\xE2\x80\x8C" ); for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++) { $consumed = substr($this->consumed, 1); if (isset($entities[$consumed])) { $match = $consumed; } } if ($match !== null) { $this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1); $this->position += strlen($entities[$match]) - strlen($consumed) - 1; } break; } } } HTTP/Parser.php 0000604 00000035073 14717745057 0007315 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\HTTP; /** * HTTP Response Parser * * @package SimplePie * @subpackage HTTP */ class Parser { /** * HTTP Version * * @var float */ public $http_version = 0.0; /** * Status code * * @var int */ public $status_code = 0; /** * Reason phrase * * @var string */ public $reason = ''; /** * Key/value pairs of the headers * * @var array */ public $headers = []; /** * Body of the response * * @var string */ public $body = ''; private const STATE_HTTP_VERSION = 'http_version'; private const STATE_STATUS = 'status'; private const STATE_REASON = 'reason'; private const STATE_NEW_LINE = 'new_line'; private const STATE_BODY = 'body'; private const STATE_NAME = 'name'; private const STATE_VALUE = 'value'; private const STATE_VALUE_CHAR = 'value_char'; private const STATE_QUOTE = 'quote'; private const STATE_QUOTE_ESCAPED = 'quote_escaped'; private const STATE_QUOTE_CHAR = 'quote_char'; private const STATE_CHUNKED = 'chunked'; private const STATE_EMIT = 'emit'; private const STATE_ERROR = false; /** * Current state of the state machine * * @var self::STATE_* */ protected $state = self::STATE_HTTP_VERSION; /** * Input data * * @var string */ protected $data = ''; /** * Input data length (to avoid calling strlen() everytime this is needed) * * @var int */ protected $data_length = 0; /** * Current position of the pointer * * @var int */ protected $position = 0; /** * Name of the hedaer currently being parsed * * @var string */ protected $name = ''; /** * Value of the hedaer currently being parsed * * @var string */ protected $value = ''; /** * Create an instance of the class with the input data * * @param string $data Input data */ public function __construct($data) { $this->data = $data; $this->data_length = strlen($this->data); } /** * Parse the input data * * @return bool true on success, false on failure */ public function parse() { while ($this->state && $this->state !== self::STATE_EMIT && $this->has_data()) { $state = $this->state; $this->$state(); } $this->data = ''; if ($this->state === self::STATE_EMIT || $this->state === self::STATE_BODY) { return true; } $this->http_version = ''; $this->status_code = 0; $this->reason = ''; $this->headers = []; $this->body = ''; return false; } /** * Check whether there is data beyond the pointer * * @return bool true if there is further data, false if not */ protected function has_data() { return (bool) ($this->position < $this->data_length); } /** * See if the next character is LWS * * @return bool true if the next character is LWS, false if not */ protected function is_linear_whitespace() { return (bool) ($this->data[$this->position] === "\x09" || $this->data[$this->position] === "\x20" || ($this->data[$this->position] === "\x0A" && isset($this->data[$this->position + 1]) && ($this->data[$this->position + 1] === "\x09" || $this->data[$this->position + 1] === "\x20"))); } /** * Parse the HTTP version */ protected function http_version() { if (strpos($this->data, "\x0A") !== false && strtoupper(substr($this->data, 0, 5)) === 'HTTP/') { $len = strspn($this->data, '0123456789.', 5); $this->http_version = substr($this->data, 5, $len); $this->position += 5 + $len; if (substr_count($this->http_version, '.') <= 1) { $this->http_version = (float) $this->http_version; $this->position += strspn($this->data, "\x09\x20", $this->position); $this->state = self::STATE_STATUS; } else { $this->state = self::STATE_ERROR; } } else { $this->state = self::STATE_ERROR; } } /** * Parse the status code */ protected function status() { if ($len = strspn($this->data, '0123456789', $this->position)) { $this->status_code = (int) substr($this->data, $this->position, $len); $this->position += $len; $this->state = self::STATE_REASON; } else { $this->state = self::STATE_ERROR; } } /** * Parse the reason phrase */ protected function reason() { $len = strcspn($this->data, "\x0A", $this->position); $this->reason = trim(substr($this->data, $this->position, $len), "\x09\x0D\x20"); $this->position += $len + 1; $this->state = self::STATE_NEW_LINE; } /** * Deal with a new line, shifting data around as needed */ protected function new_line() { $this->value = trim($this->value, "\x0D\x20"); if ($this->name !== '' && $this->value !== '') { $this->name = strtolower($this->name); // We should only use the last Content-Type header. c.f. issue #1 if (isset($this->headers[$this->name]) && $this->name !== 'content-type') { $this->headers[$this->name] .= ', ' . $this->value; } else { $this->headers[$this->name] = $this->value; } } $this->name = ''; $this->value = ''; if (substr($this->data[$this->position], 0, 2) === "\x0D\x0A") { $this->position += 2; $this->state = self::STATE_BODY; } elseif ($this->data[$this->position] === "\x0A") { $this->position++; $this->state = self::STATE_BODY; } else { $this->state = self::STATE_NAME; } } /** * Parse a header name */ protected function name() { $len = strcspn($this->data, "\x0A:", $this->position); if (isset($this->data[$this->position + $len])) { if ($this->data[$this->position + $len] === "\x0A") { $this->position += $len; $this->state = self::STATE_NEW_LINE; } else { $this->name = substr($this->data, $this->position, $len); $this->position += $len + 1; $this->state = self::STATE_VALUE; } } else { $this->state = self::STATE_ERROR; } } /** * Parse LWS, replacing consecutive LWS characters with a single space */ protected function linear_whitespace() { do { if (substr($this->data, $this->position, 2) === "\x0D\x0A") { $this->position += 2; } elseif ($this->data[$this->position] === "\x0A") { $this->position++; } $this->position += strspn($this->data, "\x09\x20", $this->position); } while ($this->has_data() && $this->is_linear_whitespace()); $this->value .= "\x20"; } /** * See what state to move to while within non-quoted header values */ protected function value() { if ($this->is_linear_whitespace()) { $this->linear_whitespace(); } else { switch ($this->data[$this->position]) { case '"': // Workaround for ETags: we have to include the quotes as // part of the tag. if (strtolower($this->name) === 'etag') { $this->value .= '"'; $this->position++; $this->state = self::STATE_VALUE_CHAR; break; } $this->position++; $this->state = self::STATE_QUOTE; break; case "\x0A": $this->position++; $this->state = self::STATE_NEW_LINE; break; default: $this->state = self::STATE_VALUE_CHAR; break; } } } /** * Parse a header value while outside quotes */ protected function value_char() { $len = strcspn($this->data, "\x09\x20\x0A\"", $this->position); $this->value .= substr($this->data, $this->position, $len); $this->position += $len; $this->state = self::STATE_VALUE; } /** * See what state to move to while within quoted header values */ protected function quote() { if ($this->is_linear_whitespace()) { $this->linear_whitespace(); } else { switch ($this->data[$this->position]) { case '"': $this->position++; $this->state = self::STATE_VALUE; break; case "\x0A": $this->position++; $this->state = self::STATE_NEW_LINE; break; case '\\': $this->position++; $this->state = self::STATE_QUOTE_ESCAPED; break; default: $this->state = self::STATE_QUOTE_CHAR; break; } } } /** * Parse a header value while within quotes */ protected function quote_char() { $len = strcspn($this->data, "\x09\x20\x0A\"\\", $this->position); $this->value .= substr($this->data, $this->position, $len); $this->position += $len; $this->state = self::STATE_VALUE; } /** * Parse an escaped character within quotes */ protected function quote_escaped() { $this->value .= $this->data[$this->position]; $this->position++; $this->state = self::STATE_QUOTE; } /** * Parse the body */ protected function body() { $this->body = substr($this->data, $this->position); if (!empty($this->headers['transfer-encoding'])) { unset($this->headers['transfer-encoding']); $this->state = self::STATE_CHUNKED; } else { $this->state = self::STATE_EMIT; } } /** * Parsed a "Transfer-Encoding: chunked" body */ protected function chunked() { if (!preg_match('/^([0-9a-f]+)[^\r\n]*\r\n/i', trim($this->body))) { $this->state = self::STATE_EMIT; return; } $decoded = ''; $encoded = $this->body; while (true) { $is_chunked = (bool) preg_match('/^([0-9a-f]+)[^\r\n]*\r\n/i', $encoded, $matches); if (!$is_chunked) { // Looks like it's not chunked after all $this->state = self::STATE_EMIT; return; } $length = hexdec(trim($matches[1])); if ($length === 0) { // Ignore trailer headers $this->state = self::STATE_EMIT; $this->body = $decoded; return; } $chunk_length = strlen($matches[0]); $decoded .= substr($encoded, $chunk_length, $length); $encoded = substr($encoded, $chunk_length + $length + 2); // BC for PHP < 8.0: substr() can return bool instead of string $encoded = ($encoded === false) ? '' : $encoded; if (trim($encoded) === '0' || empty($encoded)) { $this->state = self::STATE_EMIT; $this->body = $decoded; return; } } } /** * Prepare headers (take care of proxies headers) * * @param string $headers Raw headers * @param integer $count Redirection count. Default to 1. * * @return string */ public static function prepareHeaders($headers, $count = 1) { $data = explode("\r\n\r\n", $headers, $count); $data = array_pop($data); if (false !== stripos($data, "HTTP/1.0 200 Connection established\r\n")) { $exploded = explode("\r\n\r\n", $data, 2); $data = end($exploded); } if (false !== stripos($data, "HTTP/1.1 200 Connection established\r\n")) { $exploded = explode("\r\n\r\n", $data, 2); $data = end($exploded); } return $data; } } class_alias('SimplePie\HTTP\Parser', 'SimplePie_HTTP_Parser'); Net/IPv6.php 0000604 00000021041 14717745057 0006602 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Net; /** * Class to validate and to work with IPv6 addresses. * * @package SimplePie * @subpackage HTTP * @copyright 2003-2005 The PHP Group * @license http://www.opensource.org/licenses/bsd-license.php * @link http://pear.php.net/package/Net_IPv6 * @author Alexander Merz <alexander.merz@web.de> * @author elfrink at introweb dot nl * @author Josh Peck <jmp at joshpeck dot org> * @author Sam Sneddon <geoffers@gmail.com> */ class IPv6 { /** * Uncompresses an IPv6 address * * RFC 4291 allows you to compress concecutive zero pieces in an address to * '::'. This method expects a valid IPv6 address and expands the '::' to * the required number of zero pieces. * * Example: FF01::101 -> FF01:0:0:0:0:0:0:101 * ::1 -> 0:0:0:0:0:0:0:1 * * @author Alexander Merz <alexander.merz@web.de> * @author elfrink at introweb dot nl * @author Josh Peck <jmp at joshpeck dot org> * @copyright 2003-2005 The PHP Group * @license http://www.opensource.org/licenses/bsd-license.php * @param string $ip An IPv6 address * @return string The uncompressed IPv6 address */ public static function uncompress($ip) { $c1 = -1; $c2 = -1; if (substr_count($ip, '::') === 1) { [$ip1, $ip2] = explode('::', $ip); if ($ip1 === '') { $c1 = -1; } else { $c1 = substr_count($ip1, ':'); } if ($ip2 === '') { $c2 = -1; } else { $c2 = substr_count($ip2, ':'); } if (strpos($ip2, '.') !== false) { $c2++; } // :: if ($c1 === -1 && $c2 === -1) { $ip = '0:0:0:0:0:0:0:0'; } // ::xxx elseif ($c1 === -1) { $fill = str_repeat('0:', 7 - $c2); $ip = str_replace('::', $fill, $ip); } // xxx:: elseif ($c2 === -1) { $fill = str_repeat(':0', 7 - $c1); $ip = str_replace('::', $fill, $ip); } // xxx::xxx else { $fill = ':' . str_repeat('0:', 6 - $c2 - $c1); $ip = str_replace('::', $fill, $ip); } } return $ip; } /** * Compresses an IPv6 address * * RFC 4291 allows you to compress concecutive zero pieces in an address to * '::'. This method expects a valid IPv6 address and compresses consecutive * zero pieces to '::'. * * Example: FF01:0:0:0:0:0:0:101 -> FF01::101 * 0:0:0:0:0:0:0:1 -> ::1 * * @see uncompress() * @param string $ip An IPv6 address * @return string The compressed IPv6 address */ public static function compress($ip) { // Prepare the IP to be compressed $ip = self::uncompress($ip); $ip_parts = self::split_v6_v4($ip); // Replace all leading zeros $ip_parts[0] = preg_replace('/(^|:)0+([0-9])/', '\1\2', $ip_parts[0]); // Find bunches of zeros if (preg_match_all('/(?:^|:)(?:0(?::|$))+/', $ip_parts[0], $matches, PREG_OFFSET_CAPTURE)) { $max = 0; $pos = null; foreach ($matches[0] as $match) { if (strlen($match[0]) > $max) { $max = strlen($match[0]); $pos = $match[1]; } } $ip_parts[0] = substr_replace($ip_parts[0], '::', $pos, $max); } if ($ip_parts[1] !== '') { return implode(':', $ip_parts); } return $ip_parts[0]; } /** * Splits an IPv6 address into the IPv6 and IPv4 representation parts * * RFC 4291 allows you to represent the last two parts of an IPv6 address * using the standard IPv4 representation * * Example: 0:0:0:0:0:0:13.1.68.3 * 0:0:0:0:0:FFFF:129.144.52.38 * * @param string $ip An IPv6 address * @return array [0] contains the IPv6 represented part, and [1] the IPv4 represented part */ private static function split_v6_v4($ip) { if (strpos($ip, '.') !== false) { $pos = strrpos($ip, ':'); $ipv6_part = substr($ip, 0, $pos); $ipv4_part = substr($ip, $pos + 1); return [$ipv6_part, $ipv4_part]; } return [$ip, '']; } /** * Checks an IPv6 address * * Checks if the given IP is a valid IPv6 address * * @param string $ip An IPv6 address * @return bool true if $ip is a valid IPv6 address */ public static function check_ipv6($ip) { $ip = self::uncompress($ip); [$ipv6, $ipv4] = self::split_v6_v4($ip); $ipv6 = explode(':', $ipv6); $ipv4 = explode('.', $ipv4); if (count($ipv6) === 8 && count($ipv4) === 1 || count($ipv6) === 6 && count($ipv4) === 4) { foreach ($ipv6 as $ipv6_part) { // The section can't be empty if ($ipv6_part === '') { return false; } // Nor can it be over four characters if (strlen($ipv6_part) > 4) { return false; } // Remove leading zeros (this is safe because of the above) $ipv6_part = ltrim($ipv6_part, '0'); if ($ipv6_part === '') { $ipv6_part = '0'; } // Check the value is valid $value = hexdec($ipv6_part); if (dechex($value) !== strtolower($ipv6_part) || $value < 0 || $value > 0xFFFF) { return false; } } if (count($ipv4) === 4) { foreach ($ipv4 as $ipv4_part) { $value = (int) $ipv4_part; if ((string) $value !== $ipv4_part || $value < 0 || $value > 0xFF) { return false; } } } return true; } return false; } /** * Checks if the given IP is a valid IPv6 address * * @codeCoverageIgnore * @deprecated Use {@see IPv6::check_ipv6()} instead * @see check_ipv6 * @param string $ip An IPv6 address * @return bool true if $ip is a valid IPv6 address */ public static function checkIPv6($ip) { return self::check_ipv6($ip); } } class_alias('SimplePie\Net\IPv6', 'SimplePie_Net_IPv6'); Parse/Date.php 0000604 00000064345 14717745057 0007235 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\Parse; /** * Date Parser * * @package SimplePie * @subpackage Parsing */ class Date { /** * Input data * * @access protected * @var string */ public $date; /** * List of days, calendar day name => ordinal day number in the week * * @access protected * @var array */ public $day = [ // English 'mon' => 1, 'monday' => 1, 'tue' => 2, 'tuesday' => 2, 'wed' => 3, 'wednesday' => 3, 'thu' => 4, 'thursday' => 4, 'fri' => 5, 'friday' => 5, 'sat' => 6, 'saturday' => 6, 'sun' => 7, 'sunday' => 7, // Dutch 'maandag' => 1, 'dinsdag' => 2, 'woensdag' => 3, 'donderdag' => 4, 'vrijdag' => 5, 'zaterdag' => 6, 'zondag' => 7, // French 'lundi' => 1, 'mardi' => 2, 'mercredi' => 3, 'jeudi' => 4, 'vendredi' => 5, 'samedi' => 6, 'dimanche' => 7, // German 'montag' => 1, 'mo' => 1, 'dienstag' => 2, 'di' => 2, 'mittwoch' => 3, 'mi' => 3, 'donnerstag' => 4, 'do' => 4, 'freitag' => 5, 'fr' => 5, 'samstag' => 6, 'sa' => 6, 'sonnabend' => 6, // AFAIK no short form for sonnabend 'so' => 7, 'sonntag' => 7, // Italian 'lunedì' => 1, 'martedì' => 2, 'mercoledì' => 3, 'giovedì' => 4, 'venerdì' => 5, 'sabato' => 6, 'domenica' => 7, // Spanish 'lunes' => 1, 'martes' => 2, 'miércoles' => 3, 'jueves' => 4, 'viernes' => 5, 'sábado' => 6, 'domingo' => 7, // Finnish 'maanantai' => 1, 'tiistai' => 2, 'keskiviikko' => 3, 'torstai' => 4, 'perjantai' => 5, 'lauantai' => 6, 'sunnuntai' => 7, // Hungarian 'hétfő' => 1, 'kedd' => 2, 'szerda' => 3, 'csütörtok' => 4, 'péntek' => 5, 'szombat' => 6, 'vasárnap' => 7, // Greek 'Δευ' => 1, 'Τρι' => 2, 'Τετ' => 3, 'Πεμ' => 4, 'Παρ' => 5, 'Σαβ' => 6, 'Κυρ' => 7, // Russian 'Пн.' => 1, 'Вт.' => 2, 'Ср.' => 3, 'Чт.' => 4, 'Пт.' => 5, 'Сб.' => 6, 'Вс.' => 7, ]; /** * List of months, calendar month name => calendar month number * * @access protected * @var array */ public $month = [ // English 'jan' => 1, 'january' => 1, 'feb' => 2, 'february' => 2, 'mar' => 3, 'march' => 3, 'apr' => 4, 'april' => 4, 'may' => 5, // No long form of May 'jun' => 6, 'june' => 6, 'jul' => 7, 'july' => 7, 'aug' => 8, 'august' => 8, 'sep' => 9, 'september' => 9, 'oct' => 10, 'october' => 10, 'nov' => 11, 'november' => 11, 'dec' => 12, 'december' => 12, // Dutch 'januari' => 1, 'februari' => 2, 'maart' => 3, 'april' => 4, 'mei' => 5, 'juni' => 6, 'juli' => 7, 'augustus' => 8, 'september' => 9, 'oktober' => 10, 'november' => 11, 'december' => 12, // French 'janvier' => 1, 'février' => 2, 'mars' => 3, 'avril' => 4, 'mai' => 5, 'juin' => 6, 'juillet' => 7, 'août' => 8, 'septembre' => 9, 'octobre' => 10, 'novembre' => 11, 'décembre' => 12, // German 'januar' => 1, 'jan' => 1, 'februar' => 2, 'feb' => 2, 'märz' => 3, 'mär' => 3, 'april' => 4, 'apr' => 4, 'mai' => 5, // no short form for may 'juni' => 6, 'jun' => 6, 'juli' => 7, 'jul' => 7, 'august' => 8, 'aug' => 8, 'september' => 9, 'sep' => 9, 'oktober' => 10, 'okt' => 10, 'november' => 11, 'nov' => 11, 'dezember' => 12, 'dez' => 12, // Italian 'gennaio' => 1, 'febbraio' => 2, 'marzo' => 3, 'aprile' => 4, 'maggio' => 5, 'giugno' => 6, 'luglio' => 7, 'agosto' => 8, 'settembre' => 9, 'ottobre' => 10, 'novembre' => 11, 'dicembre' => 12, // Spanish 'enero' => 1, 'febrero' => 2, 'marzo' => 3, 'abril' => 4, 'mayo' => 5, 'junio' => 6, 'julio' => 7, 'agosto' => 8, 'septiembre' => 9, 'setiembre' => 9, 'octubre' => 10, 'noviembre' => 11, 'diciembre' => 12, // Finnish 'tammikuu' => 1, 'helmikuu' => 2, 'maaliskuu' => 3, 'huhtikuu' => 4, 'toukokuu' => 5, 'kesäkuu' => 6, 'heinäkuu' => 7, 'elokuu' => 8, 'suuskuu' => 9, 'lokakuu' => 10, 'marras' => 11, 'joulukuu' => 12, // Hungarian 'január' => 1, 'február' => 2, 'március' => 3, 'április' => 4, 'május' => 5, 'június' => 6, 'július' => 7, 'augusztus' => 8, 'szeptember' => 9, 'október' => 10, 'november' => 11, 'december' => 12, // Greek 'Ιαν' => 1, 'Φεβ' => 2, 'Μάώ' => 3, 'Μαώ' => 3, 'Απρ' => 4, 'Μάι' => 5, 'Μαϊ' => 5, 'Μαι' => 5, 'Ιούν' => 6, 'Ιον' => 6, 'Ιούλ' => 7, 'Ιολ' => 7, 'Αύγ' => 8, 'Αυγ' => 8, 'Σεπ' => 9, 'Οκτ' => 10, 'Νοέ' => 11, 'Δεκ' => 12, // Russian 'Янв' => 1, 'января' => 1, 'Фев' => 2, 'февраля' => 2, 'Мар' => 3, 'марта' => 3, 'Апр' => 4, 'апреля' => 4, 'Май' => 5, 'мая' => 5, 'Июн' => 6, 'июня' => 6, 'Июл' => 7, 'июля' => 7, 'Авг' => 8, 'августа' => 8, 'Сен' => 9, 'сентября' => 9, 'Окт' => 10, 'октября' => 10, 'Ноя' => 11, 'ноября' => 11, 'Дек' => 12, 'декабря' => 12, ]; /** * List of timezones, abbreviation => offset from UTC * * @access protected * @var array */ public $timezone = [ 'ACDT' => 37800, 'ACIT' => 28800, 'ACST' => 34200, 'ACT' => -18000, 'ACWDT' => 35100, 'ACWST' => 31500, 'AEDT' => 39600, 'AEST' => 36000, 'AFT' => 16200, 'AKDT' => -28800, 'AKST' => -32400, 'AMDT' => 18000, 'AMT' => -14400, 'ANAST' => 46800, 'ANAT' => 43200, 'ART' => -10800, 'AZOST' => -3600, 'AZST' => 18000, 'AZT' => 14400, 'BIOT' => 21600, 'BIT' => -43200, 'BOT' => -14400, 'BRST' => -7200, 'BRT' => -10800, 'BST' => 3600, 'BTT' => 21600, 'CAST' => 18000, 'CAT' => 7200, 'CCT' => 23400, 'CDT' => -18000, 'CEDT' => 7200, 'CEST' => 7200, 'CET' => 3600, 'CGST' => -7200, 'CGT' => -10800, 'CHADT' => 49500, 'CHAST' => 45900, 'CIST' => -28800, 'CKT' => -36000, 'CLDT' => -10800, 'CLST' => -14400, 'COT' => -18000, 'CST' => -21600, 'CVT' => -3600, 'CXT' => 25200, 'DAVT' => 25200, 'DTAT' => 36000, 'EADT' => -18000, 'EAST' => -21600, 'EAT' => 10800, 'ECT' => -18000, 'EDT' => -14400, 'EEST' => 10800, 'EET' => 7200, 'EGT' => -3600, 'EKST' => 21600, 'EST' => -18000, 'FJT' => 43200, 'FKDT' => -10800, 'FKST' => -14400, 'FNT' => -7200, 'GALT' => -21600, 'GEDT' => 14400, 'GEST' => 10800, 'GFT' => -10800, 'GILT' => 43200, 'GIT' => -32400, 'GST' => 14400, 'GST' => -7200, 'GYT' => -14400, 'HAA' => -10800, 'HAC' => -18000, 'HADT' => -32400, 'HAE' => -14400, 'HAP' => -25200, 'HAR' => -21600, 'HAST' => -36000, 'HAT' => -9000, 'HAY' => -28800, 'HKST' => 28800, 'HMT' => 18000, 'HNA' => -14400, 'HNC' => -21600, 'HNE' => -18000, 'HNP' => -28800, 'HNR' => -25200, 'HNT' => -12600, 'HNY' => -32400, 'IRDT' => 16200, 'IRKST' => 32400, 'IRKT' => 28800, 'IRST' => 12600, 'JFDT' => -10800, 'JFST' => -14400, 'JST' => 32400, 'KGST' => 21600, 'KGT' => 18000, 'KOST' => 39600, 'KOVST' => 28800, 'KOVT' => 25200, 'KRAST' => 28800, 'KRAT' => 25200, 'KST' => 32400, 'LHDT' => 39600, 'LHST' => 37800, 'LINT' => 50400, 'LKT' => 21600, 'MAGST' => 43200, 'MAGT' => 39600, 'MAWT' => 21600, 'MDT' => -21600, 'MESZ' => 7200, 'MEZ' => 3600, 'MHT' => 43200, 'MIT' => -34200, 'MNST' => 32400, 'MSDT' => 14400, 'MSST' => 10800, 'MST' => -25200, 'MUT' => 14400, 'MVT' => 18000, 'MYT' => 28800, 'NCT' => 39600, 'NDT' => -9000, 'NFT' => 41400, 'NMIT' => 36000, 'NOVST' => 25200, 'NOVT' => 21600, 'NPT' => 20700, 'NRT' => 43200, 'NST' => -12600, 'NUT' => -39600, 'NZDT' => 46800, 'NZST' => 43200, 'OMSST' => 25200, 'OMST' => 21600, 'PDT' => -25200, 'PET' => -18000, 'PETST' => 46800, 'PETT' => 43200, 'PGT' => 36000, 'PHOT' => 46800, 'PHT' => 28800, 'PKT' => 18000, 'PMDT' => -7200, 'PMST' => -10800, 'PONT' => 39600, 'PST' => -28800, 'PWT' => 32400, 'PYST' => -10800, 'PYT' => -14400, 'RET' => 14400, 'ROTT' => -10800, 'SAMST' => 18000, 'SAMT' => 14400, 'SAST' => 7200, 'SBT' => 39600, 'SCDT' => 46800, 'SCST' => 43200, 'SCT' => 14400, 'SEST' => 3600, 'SGT' => 28800, 'SIT' => 28800, 'SRT' => -10800, 'SST' => -39600, 'SYST' => 10800, 'SYT' => 7200, 'TFT' => 18000, 'THAT' => -36000, 'TJT' => 18000, 'TKT' => -36000, 'TMT' => 18000, 'TOT' => 46800, 'TPT' => 32400, 'TRUT' => 36000, 'TVT' => 43200, 'TWT' => 28800, 'UYST' => -7200, 'UYT' => -10800, 'UZT' => 18000, 'VET' => -14400, 'VLAST' => 39600, 'VLAT' => 36000, 'VOST' => 21600, 'VUT' => 39600, 'WAST' => 7200, 'WAT' => 3600, 'WDT' => 32400, 'WEST' => 3600, 'WFT' => 43200, 'WIB' => 25200, 'WIT' => 32400, 'WITA' => 28800, 'WKST' => 18000, 'WST' => 28800, 'YAKST' => 36000, 'YAKT' => 32400, 'YAPT' => 36000, 'YEKST' => 21600, 'YEKT' => 18000, ]; /** * Cached PCRE for Date::$day * * @access protected * @var string */ public $day_pcre; /** * Cached PCRE for Date::$month * * @access protected * @var string */ public $month_pcre; /** * Array of user-added callback methods * * @access private * @var array */ public $built_in = []; /** * Array of user-added callback methods * * @access private * @var array */ public $user = []; /** * Create new Date object, and set self::day_pcre, * self::month_pcre, and self::built_in * * @access private */ public function __construct() { $this->day_pcre = '(' . implode('|', array_keys($this->day)) . ')'; $this->month_pcre = '(' . implode('|', array_keys($this->month)) . ')'; static $cache; if (!isset($cache[get_class($this)])) { $all_methods = get_class_methods($this); foreach ($all_methods as $method) { if (strtolower(substr($method, 0, 5)) === 'date_') { $cache[get_class($this)][] = $method; } } } foreach ($cache[get_class($this)] as $method) { $this->built_in[] = $method; } } /** * Get the object * * @access public */ public static function get() { static $object; if (!$object) { $object = new Date(); } return $object; } /** * Parse a date * * @final * @access public * @param string $date Date to parse * @return int Timestamp corresponding to date string, or false on failure */ public function parse($date) { foreach ($this->user as $method) { if (($returned = call_user_func($method, $date)) !== false) { return $returned; } } foreach ($this->built_in as $method) { if (($returned = call_user_func([$this, $method], $date)) !== false) { return $returned; } } return false; } /** * Add a callback method to parse a date * * @final * @access public * @param callable $callback */ public function add_callback($callback) { if (is_callable($callback)) { $this->user[] = $callback; } else { trigger_error('User-supplied function must be a valid callback', E_USER_WARNING); } } /** * Parse a superset of W3C-DTF (allows hyphens and colons to be omitted, as * well as allowing any of upper or lower case "T", horizontal tabs, or * spaces to be used as the time separator (including more than one)) * * @access protected * @return int Timestamp */ public function date_w3cdtf($date) { $pcre = <<<'PCRE' / ^ (?P<year>[0-9]{4}) (?: -? (?P<month>[0-9]{2}) (?: -? (?P<day>[0-9]{2}) (?: [Tt\x09\x20]+ (?P<hour>[0-9]{2}) (?: :? (?P<minute>[0-9]{2}) (?: :? (?P<second>[0-9]{2}) (?: . (?P<second_fraction>[0-9]*) )? )? )? (?: (?P<zulu>Z) | (?P<tz_sign>[+\-]) (?P<tz_hour>[0-9]{1,2}) :? (?P<tz_minute>[0-9]{1,2}) ) )? )? )? $ /x PCRE; if (preg_match($pcre, $date, $match)) { // Fill in empty matches and convert to proper types. $year = (int) $match['year']; $month = isset($match['month']) ? (int) $match['month'] : 1; $day = isset($match['day']) ? (int) $match['day'] : 1; $hour = isset($match['hour']) ? (int) $match['hour'] : 0; $minute = isset($match['minute']) ? (int) $match['minute'] : 0; $second = isset($match['second']) ? (int) $match['second'] : 0; $second_fraction = isset($match['second_fraction']) ? ((int) $match['second_fraction']) / (10 ** strlen($match['second_fraction'])) : 0; $tz_sign = ($match['tz_sign'] ?? '') === '-' ? -1 : 1; $tz_hour = isset($match['tz_hour']) ? (int) $match['tz_hour'] : 0; $tz_minute = isset($match['tz_minute']) ? (int) $match['tz_minute'] : 0; // Numeric timezone $timezone = $tz_hour * 3600; $timezone += $tz_minute * 60; $timezone *= $tz_sign; // Convert the number of seconds to an integer, taking decimals into account $second = (int) round($second + $second_fraction); return gmmktime($hour, $minute, $second, $month, $day, $year) - $timezone; } return false; } /** * Remove RFC822 comments * * @access protected * @param string $data Data to strip comments from * @return string Comment stripped string */ public function remove_rfc2822_comments($string) { $string = (string) $string; $position = 0; $length = strlen($string); $depth = 0; $output = ''; while ($position < $length && ($pos = strpos($string, '(', $position)) !== false) { $output .= substr($string, $position, $pos - $position); $position = $pos + 1; if ($pos === 0 || $string[$pos - 1] !== '\\') { $depth++; while ($depth && $position < $length) { $position += strcspn($string, '()', $position); if ($string[$position - 1] === '\\') { $position++; continue; } elseif (isset($string[$position])) { switch ($string[$position]) { case '(': $depth++; break; case ')': $depth--; break; } $position++; } else { break; } } } else { $output .= '('; } } $output .= substr($string, $position); return $output; } /** * Parse RFC2822's date format * * @access protected * @return int Timestamp */ public function date_rfc2822($date) { static $pcre; if (!$pcre) { $wsp = '[\x09\x20]'; $fws = '(?:' . $wsp . '+|' . $wsp . '*(?:\x0D\x0A' . $wsp . '+)+)'; $optional_fws = $fws . '?'; $day_name = $this->day_pcre; $month = $this->month_pcre; $day = '([0-9]{1,2})'; $hour = $minute = $second = '([0-9]{2})'; $year = '([0-9]{2,4})'; $num_zone = '([+\-])([0-9]{2})([0-9]{2})'; $character_zone = '([A-Z]{1,5})'; $zone = '(?:' . $num_zone . '|' . $character_zone . ')'; $pcre = '/(?:' . $optional_fws . $day_name . $optional_fws . ',)?' . $optional_fws . $day . $fws . $month . $fws . $year . $fws . $hour . $optional_fws . ':' . $optional_fws . $minute . '(?:' . $optional_fws . ':' . $optional_fws . $second . ')?' . $fws . $zone . '/i'; } if (preg_match($pcre, $this->remove_rfc2822_comments($date), $match)) { /* Capturing subpatterns: 1: Day name 2: Day 3: Month 4: Year 5: Hour 6: Minute 7: Second 8: Timezone ± 9: Timezone hours 10: Timezone minutes 11: Alphabetic timezone */ // Find the month number $month = $this->month[strtolower($match[3])]; // Numeric timezone if ($match[8] !== '') { $timezone = $match[9] * 3600; $timezone += $match[10] * 60; if ($match[8] === '-') { $timezone = 0 - $timezone; } } // Character timezone elseif (isset($this->timezone[strtoupper($match[11])])) { $timezone = $this->timezone[strtoupper($match[11])]; } // Assume everything else to be -0000 else { $timezone = 0; } // Deal with 2/3 digit years if ($match[4] < 50) { $match[4] += 2000; } elseif ($match[4] < 1000) { $match[4] += 1900; } // Second is optional, if it is empty set it to zero if ($match[7] !== '') { $second = $match[7]; } else { $second = 0; } return gmmktime(intval($match[5]), intval($match[6]), intval($second), intval($month), intval($match[2]), intval($match[4])) - $timezone; } return false; } /** * Parse RFC850's date format * * @access protected * @return int Timestamp */ public function date_rfc850($date) { static $pcre; if (!$pcre) { $space = '[\x09\x20]+'; $day_name = $this->day_pcre; $month = $this->month_pcre; $day = '([0-9]{1,2})'; $year = $hour = $minute = $second = '([0-9]{2})'; $zone = '([A-Z]{1,5})'; $pcre = '/^' . $day_name . ',' . $space . $day . '-' . $month . '-' . $year . $space . $hour . ':' . $minute . ':' . $second . $space . $zone . '$/i'; } if (preg_match($pcre, $date, $match)) { /* Capturing subpatterns: 1: Day name 2: Day 3: Month 4: Year 5: Hour 6: Minute 7: Second 8: Timezone */ // Month $month = $this->month[strtolower($match[3])]; // Character timezone if (isset($this->timezone[strtoupper($match[8])])) { $timezone = $this->timezone[strtoupper($match[8])]; } // Assume everything else to be -0000 else { $timezone = 0; } // Deal with 2 digit year if ($match[4] < 50) { $match[4] += 2000; } else { $match[4] += 1900; } return gmmktime($match[5], $match[6], $match[7], $month, $match[2], $match[4]) - $timezone; } return false; } /** * Parse C99's asctime()'s date format * * @access protected * @return int Timestamp */ public function date_asctime($date) { static $pcre; if (!$pcre) { $space = '[\x09\x20]+'; $wday_name = $this->day_pcre; $mon_name = $this->month_pcre; $day = '([0-9]{1,2})'; $hour = $sec = $min = '([0-9]{2})'; $year = '([0-9]{4})'; $terminator = '\x0A?\x00?'; $pcre = '/^' . $wday_name . $space . $mon_name . $space . $day . $space . $hour . ':' . $min . ':' . $sec . $space . $year . $terminator . '$/i'; } if (preg_match($pcre, $date, $match)) { /* Capturing subpatterns: 1: Day name 2: Month 3: Day 4: Hour 5: Minute 6: Second 7: Year */ $month = $this->month[strtolower($match[2])]; return gmmktime((int) $match[4], (int) $match[5], (int) $match[6], $month, (int) $match[3], (int) $match[7]); } return false; } /** * Parse dates using strtotime() * * @access protected * @return int Timestamp */ public function date_strtotime($date) { $strtotime = strtotime($date); if ($strtotime === -1 || $strtotime === false) { return false; } return $strtotime; } } class_alias('SimplePie\Parse\Date', 'SimplePie_Parse_Date'); XML/Declaration/Parser.php 0000604 00000022353 14717745057 0011420 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie\XML\Declaration; /** * Parses the XML Declaration * * @package SimplePie * @subpackage Parsing */ class Parser { /** * XML Version * * @access public * @var string */ public $version = '1.0'; /** * Encoding * * @access public * @var string */ public $encoding = 'UTF-8'; /** * Standalone * * @access public * @var bool */ public $standalone = false; private const STATE_BEFORE_VERSION_NAME = 'before_version_name'; private const STATE_VERSION_NAME = 'version_name'; private const STATE_VERSION_EQUALS = 'version_equals'; private const STATE_VERSION_VALUE = 'version_value'; private const STATE_ENCODING_NAME = 'encoding_name'; private const STATE_EMIT = 'emit'; private const STATE_ENCODING_EQUALS = 'encoding_equals'; private const STATE_STANDALONE_NAME = 'standalone_name'; private const STATE_ENCODING_VALUE = 'encoding_value'; private const STATE_STANDALONE_EQUALS = 'standalone_equals'; private const STATE_STANDALONE_VALUE = 'standalone_value'; private const STATE_ERROR = false; /** * Current state of the state machine * * @access private * @var self::STATE_* */ public $state = self::STATE_BEFORE_VERSION_NAME; /** * Input data * * @access private * @var string */ public $data = ''; /** * Input data length (to avoid calling strlen() everytime this is needed) * * @access private * @var int */ public $data_length = 0; /** * Current position of the pointer * * @var int * @access private */ public $position = 0; /** * Create an instance of the class with the input data * * @access public * @param string $data Input data */ public function __construct($data) { $this->data = $data; $this->data_length = strlen($this->data); } /** * Parse the input data * * @access public * @return bool true on success, false on failure */ public function parse() { while ($this->state && $this->state !== self::STATE_EMIT && $this->has_data()) { $state = $this->state; $this->$state(); } $this->data = ''; if ($this->state === self::STATE_EMIT) { return true; } $this->version = ''; $this->encoding = ''; $this->standalone = ''; return false; } /** * Check whether there is data beyond the pointer * * @access private * @return bool true if there is further data, false if not */ public function has_data() { return (bool) ($this->position < $this->data_length); } /** * Advance past any whitespace * * @return int Number of whitespace characters passed */ public function skip_whitespace() { $whitespace = strspn($this->data, "\x09\x0A\x0D\x20", $this->position); $this->position += $whitespace; return $whitespace; } /** * Read value */ public function get_value() { $quote = substr($this->data, $this->position, 1); if ($quote === '"' || $quote === "'") { $this->position++; $len = strcspn($this->data, $quote, $this->position); if ($this->has_data()) { $value = substr($this->data, $this->position, $len); $this->position += $len + 1; return $value; } } return false; } public function before_version_name() { if ($this->skip_whitespace()) { $this->state = self::STATE_VERSION_NAME; } else { $this->state = self::STATE_ERROR; } } public function version_name() { if (substr($this->data, $this->position, 7) === 'version') { $this->position += 7; $this->skip_whitespace(); $this->state = self::STATE_VERSION_EQUALS; } else { $this->state = self::STATE_ERROR; } } public function version_equals() { if (substr($this->data, $this->position, 1) === '=') { $this->position++; $this->skip_whitespace(); $this->state = self::STATE_VERSION_VALUE; } else { $this->state = self::STATE_ERROR; } } public function version_value() { if ($this->version = $this->get_value()) { $this->skip_whitespace(); if ($this->has_data()) { $this->state = self::STATE_ENCODING_NAME; } else { $this->state = self::STATE_EMIT; } } else { $this->state = self::STATE_ERROR; } } public function encoding_name() { if (substr($this->data, $this->position, 8) === 'encoding') { $this->position += 8; $this->skip_whitespace(); $this->state = self::STATE_ENCODING_EQUALS; } else { $this->state = self::STATE_STANDALONE_NAME; } } public function encoding_equals() { if (substr($this->data, $this->position, 1) === '=') { $this->position++; $this->skip_whitespace(); $this->state = self::STATE_ENCODING_VALUE; } else { $this->state = self::STATE_ERROR; } } public function encoding_value() { if ($this->encoding = $this->get_value()) { $this->skip_whitespace(); if ($this->has_data()) { $this->state = self::STATE_STANDALONE_NAME; } else { $this->state = self::STATE_EMIT; } } else { $this->state = self::STATE_ERROR; } } public function standalone_name() { if (substr($this->data, $this->position, 10) === 'standalone') { $this->position += 10; $this->skip_whitespace(); $this->state = self::STATE_STANDALONE_EQUALS; } else { $this->state = self::STATE_ERROR; } } public function standalone_equals() { if (substr($this->data, $this->position, 1) === '=') { $this->position++; $this->skip_whitespace(); $this->state = self::STATE_STANDALONE_VALUE; } else { $this->state = self::STATE_ERROR; } } public function standalone_value() { if ($standalone = $this->get_value()) { switch ($standalone) { case 'yes': $this->standalone = true; break; case 'no': $this->standalone = false; break; default: $this->state = self::STATE_ERROR; return; } $this->skip_whitespace(); if ($this->has_data()) { $this->state = self::STATE_ERROR; } else { $this->state = self::STATE_EMIT; } } else { $this->state = self::STATE_ERROR; } } } class_alias('SimplePie\XML\Declaration\Parser', 'SimplePie_XML_Declaration_Parser'); SimplePie.php 0000604 00000352313 14717745057 0007170 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; use InvalidArgumentException; use Psr\SimpleCache\CacheInterface; use SimplePie\Cache\Base; use SimplePie\Cache\BaseDataCache; use SimplePie\Cache\CallableNameFilter; use SimplePie\Cache\DataCache; use SimplePie\Cache\NameFilter; use SimplePie\Cache\Psr16; use SimplePie\Content\Type\Sniffer; /** * SimplePie * * @package SimplePie * @subpackage API */ class SimplePie { /** * SimplePie Name */ public const NAME = 'SimplePie'; /** * SimplePie Version */ public const VERSION = '1.8.0'; /** * SimplePie Website URL */ public const URL = 'http://simplepie.org'; /** * SimplePie Linkback */ public const LINKBACK = '<a href="' . self::URL . '" title="' . self::NAME . ' ' . self::VERSION . '">' . self::NAME . '</a>'; /** * No Autodiscovery * @see SimplePie::set_autodiscovery_level() */ public const LOCATOR_NONE = 0; /** * Feed Link Element Autodiscovery * @see SimplePie::set_autodiscovery_level() */ public const LOCATOR_AUTODISCOVERY = 1; /** * Local Feed Extension Autodiscovery * @see SimplePie::set_autodiscovery_level() */ public const LOCATOR_LOCAL_EXTENSION = 2; /** * Local Feed Body Autodiscovery * @see SimplePie::set_autodiscovery_level() */ public const LOCATOR_LOCAL_BODY = 4; /** * Remote Feed Extension Autodiscovery * @see SimplePie::set_autodiscovery_level() */ public const LOCATOR_REMOTE_EXTENSION = 8; /** * Remote Feed Body Autodiscovery * @see SimplePie::set_autodiscovery_level() */ public const LOCATOR_REMOTE_BODY = 16; /** * All Feed Autodiscovery * @see SimplePie::set_autodiscovery_level() */ public const LOCATOR_ALL = 31; /** * No known feed type */ public const TYPE_NONE = 0; /** * RSS 0.90 */ public const TYPE_RSS_090 = 1; /** * RSS 0.91 (Netscape) */ public const TYPE_RSS_091_NETSCAPE = 2; /** * RSS 0.91 (Userland) */ public const TYPE_RSS_091_USERLAND = 4; /** * RSS 0.91 (both Netscape and Userland) */ public const TYPE_RSS_091 = 6; /** * RSS 0.92 */ public const TYPE_RSS_092 = 8; /** * RSS 0.93 */ public const TYPE_RSS_093 = 16; /** * RSS 0.94 */ public const TYPE_RSS_094 = 32; /** * RSS 1.0 */ public const TYPE_RSS_10 = 64; /** * RSS 2.0 */ public const TYPE_RSS_20 = 128; /** * RDF-based RSS */ public const TYPE_RSS_RDF = 65; /** * Non-RDF-based RSS (truly intended as syndication format) */ public const TYPE_RSS_SYNDICATION = 190; /** * All RSS */ public const TYPE_RSS_ALL = 255; /** * Atom 0.3 */ public const TYPE_ATOM_03 = 256; /** * Atom 1.0 */ public const TYPE_ATOM_10 = 512; /** * All Atom */ public const TYPE_ATOM_ALL = 768; /** * All feed types */ public const TYPE_ALL = 1023; /** * No construct */ public const CONSTRUCT_NONE = 0; /** * Text construct */ public const CONSTRUCT_TEXT = 1; /** * HTML construct */ public const CONSTRUCT_HTML = 2; /** * XHTML construct */ public const CONSTRUCT_XHTML = 4; /** * base64-encoded construct */ public const CONSTRUCT_BASE64 = 8; /** * IRI construct */ public const CONSTRUCT_IRI = 16; /** * A construct that might be HTML */ public const CONSTRUCT_MAYBE_HTML = 32; /** * All constructs */ public const CONSTRUCT_ALL = 63; /** * Don't change case */ public const SAME_CASE = 1; /** * Change to lowercase */ public const LOWERCASE = 2; /** * Change to uppercase */ public const UPPERCASE = 4; /** * PCRE for HTML attributes */ public const PCRE_HTML_ATTRIBUTE = '((?:[\x09\x0A\x0B\x0C\x0D\x20]+[^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?)*)[\x09\x0A\x0B\x0C\x0D\x20]*'; /** * PCRE for XML attributes */ public const PCRE_XML_ATTRIBUTE = '((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'))*)\s*'; /** * XML Namespace */ public const NAMESPACE_XML = 'http://www.w3.org/XML/1998/namespace'; /** * Atom 1.0 Namespace */ public const NAMESPACE_ATOM_10 = 'http://www.w3.org/2005/Atom'; /** * Atom 0.3 Namespace */ public const NAMESPACE_ATOM_03 = 'http://purl.org/atom/ns#'; /** * RDF Namespace */ public const NAMESPACE_RDF = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'; /** * RSS 0.90 Namespace */ public const NAMESPACE_RSS_090 = 'http://my.netscape.com/rdf/simple/0.9/'; /** * RSS 1.0 Namespace */ public const NAMESPACE_RSS_10 = 'http://purl.org/rss/1.0/'; /** * RSS 1.0 Content Module Namespace */ public const NAMESPACE_RSS_10_MODULES_CONTENT = 'http://purl.org/rss/1.0/modules/content/'; /** * RSS 2.0 Namespace * (Stupid, I know, but I'm certain it will confuse people less with support.) */ public const NAMESPACE_RSS_20 = ''; /** * DC 1.0 Namespace */ public const NAMESPACE_DC_10 = 'http://purl.org/dc/elements/1.0/'; /** * DC 1.1 Namespace */ public const NAMESPACE_DC_11 = 'http://purl.org/dc/elements/1.1/'; /** * W3C Basic Geo (WGS84 lat/long) Vocabulary Namespace */ public const NAMESPACE_W3C_BASIC_GEO = 'http://www.w3.org/2003/01/geo/wgs84_pos#'; /** * GeoRSS Namespace */ public const NAMESPACE_GEORSS = 'http://www.georss.org/georss'; /** * Media RSS Namespace */ public const NAMESPACE_MEDIARSS = 'http://search.yahoo.com/mrss/'; /** * Wrong Media RSS Namespace. Caused by a long-standing typo in the spec. */ public const NAMESPACE_MEDIARSS_WRONG = 'http://search.yahoo.com/mrss'; /** * Wrong Media RSS Namespace #2. New namespace introduced in Media RSS 1.5. */ public const NAMESPACE_MEDIARSS_WRONG2 = 'http://video.search.yahoo.com/mrss'; /** * Wrong Media RSS Namespace #3. A possible typo of the Media RSS 1.5 namespace. */ public const NAMESPACE_MEDIARSS_WRONG3 = 'http://video.search.yahoo.com/mrss/'; /** * Wrong Media RSS Namespace #4. New spec location after the RSS Advisory Board takes it over, but not a valid namespace. */ public const NAMESPACE_MEDIARSS_WRONG4 = 'http://www.rssboard.org/media-rss'; /** * Wrong Media RSS Namespace #5. A possible typo of the RSS Advisory Board URL. */ public const NAMESPACE_MEDIARSS_WRONG5 = 'http://www.rssboard.org/media-rss/'; /** * iTunes RSS Namespace */ public const NAMESPACE_ITUNES = 'http://www.itunes.com/dtds/podcast-1.0.dtd'; /** * XHTML Namespace */ public const NAMESPACE_XHTML = 'http://www.w3.org/1999/xhtml'; /** * IANA Link Relations Registry */ public const IANA_LINK_RELATIONS_REGISTRY = 'http://www.iana.org/assignments/relation/'; /** * No file source */ public const FILE_SOURCE_NONE = 0; /** * Remote file source */ public const FILE_SOURCE_REMOTE = 1; /** * Local file source */ public const FILE_SOURCE_LOCAL = 2; /** * fsockopen() file source */ public const FILE_SOURCE_FSOCKOPEN = 4; /** * cURL file source */ public const FILE_SOURCE_CURL = 8; /** * file_get_contents() file source */ public const FILE_SOURCE_FILE_GET_CONTENTS = 16; /** * @var array Raw data * @access private */ public $data = []; /** * @var mixed Error string * @access private */ public $error; /** * @var int HTTP status code * @see SimplePie::status_code() * @access private */ public $status_code = 0; /** * @var object Instance of \SimplePie\Sanitize (or other class) * @see SimplePie::set_sanitize_class() * @access private */ public $sanitize; /** * @var string SimplePie Useragent * @see SimplePie::set_useragent() * @access private */ public $useragent = ''; /** * @var string Feed URL * @see SimplePie::set_feed_url() * @access private */ public $feed_url; /** * @var string Original feed URL, or new feed URL iff HTTP 301 Moved Permanently * @see SimplePie::subscribe_url() * @access private */ public $permanent_url = null; /** * @var object Instance of \SimplePie\File to use as a feed * @see SimplePie::set_file() * @access private */ public $file; /** * @var string Raw feed data * @see SimplePie::set_raw_data() * @access private */ public $raw_data; /** * @var int Timeout for fetching remote files * @see SimplePie::set_timeout() * @access private */ public $timeout = 10; /** * @var array Custom curl options * @see SimplePie::set_curl_options() * @access private */ public $curl_options = []; /** * @var bool Forces fsockopen() to be used for remote files instead * of cURL, even if a new enough version is installed * @see SimplePie::force_fsockopen() * @access private */ public $force_fsockopen = false; /** * @var bool Force the given data/URL to be treated as a feed no matter what * it appears like * @see SimplePie::force_feed() * @access private */ public $force_feed = false; /** * @var bool Enable/Disable Caching * @see SimplePie::enable_cache() * @access private */ private $enable_cache = true; /** * @var DataCache|null * @see SimplePie::set_cache() */ private $cache = null; /** * @var NameFilter * @see SimplePie::set_cache_namefilter() */ private $cache_namefilter; /** * @var bool Force SimplePie to fallback to expired cache, if enabled, * when feed is unavailable. * @see SimplePie::force_cache_fallback() * @access private */ public $force_cache_fallback = false; /** * @var int Cache duration (in seconds) * @see SimplePie::set_cache_duration() * @access private */ public $cache_duration = 3600; /** * @var int Auto-discovery cache duration (in seconds) * @see SimplePie::set_autodiscovery_cache_duration() * @access private */ public $autodiscovery_cache_duration = 604800; // 7 Days. /** * @var string Cache location (relative to executing script) * @see SimplePie::set_cache_location() * @access private */ public $cache_location = './cache'; /** * @var string Function that creates the cache filename * @see SimplePie::set_cache_name_function() * @access private */ public $cache_name_function = 'md5'; /** * @var bool Reorder feed by date descending * @see SimplePie::enable_order_by_date() * @access private */ public $order_by_date = true; /** * @var mixed Force input encoding to be set to the follow value * (false, or anything type-cast to false, disables this feature) * @see SimplePie::set_input_encoding() * @access private */ public $input_encoding = false; /** * @var int Feed Autodiscovery Level * @see SimplePie::set_autodiscovery_level() * @access private */ public $autodiscovery = self::LOCATOR_ALL; /** * Class registry object * * @var \SimplePie\Registry */ public $registry; /** * @var int Maximum number of feeds to check with autodiscovery * @see SimplePie::set_max_checked_feeds() * @access private */ public $max_checked_feeds = 10; /** * @var array All the feeds found during the autodiscovery process * @see SimplePie::get_all_discovered_feeds() * @access private */ public $all_discovered_feeds = []; /** * @var string Web-accessible path to the handler_image.php file. * @see SimplePie::set_image_handler() * @access private */ public $image_handler = ''; /** * @var array Stores the URLs when multiple feeds are being initialized. * @see SimplePie::set_feed_url() * @access private */ public $multifeed_url = []; /** * @var array Stores SimplePie objects when multiple feeds initialized. * @access private */ public $multifeed_objects = []; /** * @var array Stores the get_object_vars() array for use with multifeeds. * @see SimplePie::set_feed_url() * @access private */ public $config_settings = null; /** * @var integer Stores the number of items to return per-feed with multifeeds. * @see SimplePie::set_item_limit() * @access private */ public $item_limit = 0; /** * @var bool Stores if last-modified and/or etag headers were sent with the * request when checking a feed. */ public $check_modified = false; /** * @var array Stores the default attributes to be stripped by strip_attributes(). * @see SimplePie::strip_attributes() * @access private */ public $strip_attributes = ['bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc']; /** * @var array Stores the default attributes to add to different tags by add_attributes(). * @see SimplePie::add_attributes() * @access private */ public $add_attributes = ['audio' => ['preload' => 'none'], 'iframe' => ['sandbox' => 'allow-scripts allow-same-origin'], 'video' => ['preload' => 'none']]; /** * @var array Stores the default tags to be stripped by strip_htmltags(). * @see SimplePie::strip_htmltags() * @access private */ public $strip_htmltags = ['base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style']; /** * @var array Stores the default attributes to be renamed by rename_attributes(). * @see SimplePie::rename_attributes() * @access private */ public $rename_attributes = []; /** * @var bool Should we throw exceptions, or use the old-style error property? * @access private */ public $enable_exceptions = false; /** * The SimplePie class contains feed level data and options * * To use SimplePie, create the SimplePie object with no parameters. You can * then set configuration options using the provided methods. After setting * them, you must initialise the feed using $feed->init(). At that point the * object's methods and properties will be available to you. * * Previously, it was possible to pass in the feed URL along with cache * options directly into the constructor. This has been removed as of 1.3 as * it caused a lot of confusion. * * @since 1.0 Preview Release */ public function __construct() { if (version_compare(PHP_VERSION, '7.2', '<')) { exit('Please upgrade to PHP 7.2 or newer.'); } $this->set_useragent(); $this->set_cache_namefilter(new CallableNameFilter($this->cache_name_function)); // Other objects, instances created here so we can set options on them $this->sanitize = new \SimplePie\Sanitize(); $this->registry = new \SimplePie\Registry(); if (func_num_args() > 0) { trigger_error('Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_duration() directly.', \E_USER_DEPRECATED); $args = func_get_args(); switch (count($args)) { case 3: $this->set_cache_duration($args[2]); // no break case 2: $this->set_cache_location($args[1]); // no break case 1: $this->set_feed_url($args[0]); $this->init(); } } } /** * Used for converting object to a string */ public function __toString() { return md5(serialize($this->data)); } /** * Remove items that link back to this before destroying this object */ public function __destruct() { if (!gc_enabled()) { if (!empty($this->data['items'])) { foreach ($this->data['items'] as $item) { $item->__destruct(); } unset($item, $this->data['items']); } if (!empty($this->data['ordered_items'])) { foreach ($this->data['ordered_items'] as $item) { $item->__destruct(); } unset($item, $this->data['ordered_items']); } } } /** * Force the given data/URL to be treated as a feed * * This tells SimplePie to ignore the content-type provided by the server. * Be careful when using this option, as it will also disable autodiscovery. * * @since 1.1 * @param bool $enable Force the given data/URL to be treated as a feed */ public function force_feed($enable = false) { $this->force_feed = (bool) $enable; } /** * Set the URL of the feed you want to parse * * This allows you to enter the URL of the feed you want to parse, or the * website you want to try to use auto-discovery on. This takes priority * over any set raw data. * * You can set multiple feeds to mash together by passing an array instead * of a string for the $url. Remember that with each additional feed comes * additional processing and resources. * * @since 1.0 Preview Release * @see set_raw_data() * @param string|array $url This is the URL (or array of URLs) that you want to parse. */ public function set_feed_url($url) { $this->multifeed_url = []; if (is_array($url)) { foreach ($url as $value) { $this->multifeed_url[] = $this->registry->call(Misc::class, 'fix_protocol', [$value, 1]); } } else { $this->feed_url = $this->registry->call(Misc::class, 'fix_protocol', [$url, 1]); $this->permanent_url = $this->feed_url; } } /** * Set an instance of {@see \SimplePie\File} to use as a feed * * @param \SimplePie\File &$file * @return bool True on success, false on failure */ public function set_file(&$file) { if ($file instanceof \SimplePie\File) { $this->feed_url = $file->url; $this->permanent_url = $this->feed_url; $this->file = &$file; return true; } return false; } /** * Set the raw XML data to parse * * Allows you to use a string of RSS/Atom data instead of a remote feed. * * If you have a feed available as a string in PHP, you can tell SimplePie * to parse that data string instead of a remote feed. Any set feed URL * takes precedence. * * @since 1.0 Beta 3 * @param string $data RSS or Atom data as a string. * @see set_feed_url() */ public function set_raw_data($data) { $this->raw_data = $data; } /** * Set the default timeout for fetching remote feeds * * This allows you to change the maximum time the feed's server to respond * and send the feed back. * * @since 1.0 Beta 3 * @param int $timeout The maximum number of seconds to spend waiting to retrieve a feed. */ public function set_timeout($timeout = 10) { $this->timeout = (int) $timeout; } /** * Set custom curl options * * This allows you to change default curl options * * @since 1.0 Beta 3 * @param array $curl_options Curl options to add to default settings */ public function set_curl_options(array $curl_options = []) { $this->curl_options = $curl_options; } /** * Force SimplePie to use fsockopen() instead of cURL * * @since 1.0 Beta 3 * @param bool $enable Force fsockopen() to be used */ public function force_fsockopen($enable = false) { $this->force_fsockopen = (bool) $enable; } /** * Enable/disable caching in SimplePie. * * This option allows you to disable caching all-together in SimplePie. * However, disabling the cache can lead to longer load times. * * @since 1.0 Preview Release * @param bool $enable Enable caching */ public function enable_cache($enable = true) { $this->enable_cache = (bool) $enable; } /** * Set a PSR-16 implementation as cache * * @param CacheInterface $psr16cache The PSR-16 cache implementation * * @return void */ public function set_cache(CacheInterface $cache) { $this->cache = new Psr16($cache); } /** * SimplePie to continue to fall back to expired cache, if enabled, when * feed is unavailable. * * This tells SimplePie to ignore any file errors and fall back to cache * instead. This only works if caching is enabled and cached content * still exists. * * @deprecated since SimplePie 1.8.0, expired cache will not be used anymore. * * @param bool $enable Force use of cache on fail. */ public function force_cache_fallback($enable = false) { // @trigger_error(sprintf('SimplePie\SimplePie::force_cache_fallback() is deprecated since SimplePie 1.8.0, expired cache will not be used anymore.'), \E_USER_DEPRECATED); $this->force_cache_fallback = (bool) $enable; } /** * Set the length of time (in seconds) that the contents of a feed will be * cached * * @param int $seconds The feed content cache duration */ public function set_cache_duration($seconds = 3600) { $this->cache_duration = (int) $seconds; } /** * Set the length of time (in seconds) that the autodiscovered feed URL will * be cached * * @param int $seconds The autodiscovered feed URL cache duration. */ public function set_autodiscovery_cache_duration($seconds = 604800) { $this->autodiscovery_cache_duration = (int) $seconds; } /** * Set the file system location where the cached files should be stored * * @deprecated since SimplePie 1.8.0, use \SimplePie\SimplePie::set_cache() instead. * * @param string $location The file system location. */ public function set_cache_location($location = './cache') { // @trigger_error(sprintf('SimplePie\SimplePie::set_cache_location() is deprecated since SimplePie 1.8.0, please use "SimplePie\SimplePie::set_cache()" instead.'), \E_USER_DEPRECATED); $this->cache_location = (string) $location; } /** * Return the filename (i.e. hash, without path and without extension) of the file to cache a given URL. * * @param string $url The URL of the feed to be cached. * @return string A filename (i.e. hash, without path and without extension). */ public function get_cache_filename($url) { // Append custom parameters to the URL to avoid cache pollution in case of multiple calls with different parameters. $url .= $this->force_feed ? '#force_feed' : ''; $options = []; if ($this->timeout != 10) { $options[CURLOPT_TIMEOUT] = $this->timeout; } if ($this->useragent !== \SimplePie\Misc::get_default_useragent()) { $options[CURLOPT_USERAGENT] = $this->useragent; } if (!empty($this->curl_options)) { foreach ($this->curl_options as $k => $v) { $options[$k] = $v; } } if (!empty($options)) { ksort($options); $url .= '#' . urlencode(var_export($options, true)); } return $this->cache_namefilter->filter($url); } /** * Set whether feed items should be sorted into reverse chronological order * * @param bool $enable Sort as reverse chronological order. */ public function enable_order_by_date($enable = true) { $this->order_by_date = (bool) $enable; } /** * Set the character encoding used to parse the feed * * This overrides the encoding reported by the feed, however it will fall * back to the normal encoding detection if the override fails * * @param string $encoding Character encoding */ public function set_input_encoding($encoding = false) { if ($encoding) { $this->input_encoding = (string) $encoding; } else { $this->input_encoding = false; } } /** * Set how much feed autodiscovery to do * * @see \SimplePie\SimplePie::LOCATOR_NONE * @see \SimplePie\SimplePie::LOCATOR_AUTODISCOVERY * @see \SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION * @see \SimplePie\SimplePie::LOCATOR_LOCAL_BODY * @see \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION * @see \SimplePie\SimplePie::LOCATOR_REMOTE_BODY * @see \SimplePie\SimplePie::LOCATOR_ALL * @param int $level Feed Autodiscovery Level (level can be a combination of the above constants, see bitwise OR operator) */ public function set_autodiscovery_level($level = self::LOCATOR_ALL) { $this->autodiscovery = (int) $level; } /** * Get the class registry * * Use this to override SimplePie's default classes * @see \SimplePie\Registry * * @return Registry */ public function &get_registry() { return $this->registry; } /** * Set which class SimplePie uses for caching * * @deprecated since SimplePie 1.3, use {@see set_cache()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_cache_class($class = Cache::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::set_cache()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Cache::class, $class, true); } /** * Set which class SimplePie uses for auto-discovery * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_locator_class($class = Locator::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Locator::class, $class, true); } /** * Set which class SimplePie uses for XML parsing * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_parser_class($class = Parser::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Parser::class, $class, true); } /** * Set which class SimplePie uses for remote file fetching * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_file_class($class = File::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(File::class, $class, true); } /** * Set which class SimplePie uses for data sanitization * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_sanitize_class($class = Sanitize::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Sanitize::class, $class, true); } /** * Set which class SimplePie uses for handling feed items * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_item_class($class = Item::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Item::class, $class, true); } /** * Set which class SimplePie uses for handling author data * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_author_class($class = Author::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Author::class, $class, true); } /** * Set which class SimplePie uses for handling category data * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_category_class($class = Category::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Category::class, $class, true); } /** * Set which class SimplePie uses for feed enclosures * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_enclosure_class($class = Enclosure::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Enclosure::class, $class, true); } /** * Set which class SimplePie uses for `<media:text>` captions * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_caption_class($class = Caption::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Caption::class, $class, true); } /** * Set which class SimplePie uses for `<media:copyright>` * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_copyright_class($class = Copyright::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Copyright::class, $class, true); } /** * Set which class SimplePie uses for `<media:credit>` * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_credit_class($class = Credit::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Credit::class, $class, true); } /** * Set which class SimplePie uses for `<media:rating>` * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_rating_class($class = Rating::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Rating::class, $class, true); } /** * Set which class SimplePie uses for `<media:restriction>` * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_restriction_class($class = Restriction::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Restriction::class, $class, true); } /** * Set which class SimplePie uses for content-type sniffing * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_content_type_sniffer_class($class = Sniffer::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Sniffer::class, $class, true); } /** * Set which class SimplePie uses item sources * * @deprecated since SimplePie 1.3, use {@see get_registry()} instead * * @param string $class Name of custom class * * @return boolean True on success, false otherwise */ public function set_source_class($class = Source::class) { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Source::class, $class, true); } /** * Set the user agent string * * @param string $ua New user agent string. */ public function set_useragent($ua = null) { if ($ua === null) { $ua = \SimplePie\Misc::get_default_useragent(); } $this->useragent = (string) $ua; } /** * Set a namefilter to modify the cache filename with * * @param NameFilter $filter * * @return void */ public function set_cache_namefilter(NameFilter $filter): void { $this->cache_namefilter = $filter; } /** * Set callback function to create cache filename with * * @deprecated since SimplePie 1.8.0, use {@see set_cache_namefilter()} instead * * @param mixed $function Callback function */ public function set_cache_name_function($function = 'md5') { // trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.8.0, please use "SimplePie\SimplePie::set_cache_namefilter()" instead.', __METHOD__), \E_USER_DEPRECATED); if (is_callable($function)) { $this->cache_name_function = $function; $this->set_cache_namefilter(new CallableNameFilter($this->cache_name_function)); } } /** * Set options to make SP as fast as possible * * Forgoes a substantial amount of data sanitization in favor of speed. This * turns SimplePie into a dumb parser of feeds. * * @param bool $set Whether to set them or not */ public function set_stupidly_fast($set = false) { if ($set) { $this->enable_order_by_date(false); $this->remove_div(false); $this->strip_comments(false); $this->strip_htmltags(false); $this->strip_attributes(false); $this->add_attributes(false); $this->set_image_handler(false); $this->set_https_domains([]); } } /** * Set maximum number of feeds to check with autodiscovery * * @param int $max Maximum number of feeds to check */ public function set_max_checked_feeds($max = 10) { $this->max_checked_feeds = (int) $max; } public function remove_div($enable = true) { $this->sanitize->remove_div($enable); } public function strip_htmltags($tags = '', $encode = null) { if ($tags === '') { $tags = $this->strip_htmltags; } $this->sanitize->strip_htmltags($tags); if ($encode !== null) { $this->sanitize->encode_instead_of_strip($tags); } } public function encode_instead_of_strip($enable = true) { $this->sanitize->encode_instead_of_strip($enable); } public function rename_attributes($attribs = '') { if ($attribs === '') { $attribs = $this->rename_attributes; } $this->sanitize->rename_attributes($attribs); } public function strip_attributes($attribs = '') { if ($attribs === '') { $attribs = $this->strip_attributes; } $this->sanitize->strip_attributes($attribs); } public function add_attributes($attribs = '') { if ($attribs === '') { $attribs = $this->add_attributes; } $this->sanitize->add_attributes($attribs); } /** * Set the output encoding * * Allows you to override SimplePie's output to match that of your webpage. * This is useful for times when your webpages are not being served as * UTF-8. This setting will be obeyed by {@see handle_content_type()}, and * is similar to {@see set_input_encoding()}. * * It should be noted, however, that not all character encodings can support * all characters. If your page is being served as ISO-8859-1 and you try * to display a Japanese feed, you'll likely see garbled characters. * Because of this, it is highly recommended to ensure that your webpages * are served as UTF-8. * * The number of supported character encodings depends on whether your web * host supports {@link http://php.net/mbstring mbstring}, * {@link http://php.net/iconv iconv}, or both. See * {@link http://simplepie.org/wiki/faq/Supported_Character_Encodings} for * more information. * * @param string $encoding */ public function set_output_encoding($encoding = 'UTF-8') { $this->sanitize->set_output_encoding($encoding); } public function strip_comments($strip = false) { $this->sanitize->strip_comments($strip); } /** * Set element/attribute key/value pairs of HTML attributes * containing URLs that need to be resolved relative to the feed * * Defaults to |a|@href, |area|@href, |blockquote|@cite, |del|@cite, * |form|@action, |img|@longdesc, |img|@src, |input|@src, |ins|@cite, * |q|@cite * * @since 1.0 * @param array|null $element_attribute Element/attribute key/value pairs, null for default */ public function set_url_replacements($element_attribute = null) { $this->sanitize->set_url_replacements($element_attribute); } /** * Set the list of domains for which to force HTTPS. * @see \SimplePie\Sanitize::set_https_domains() * @param array List of HTTPS domains. Example array('biz', 'example.com', 'example.org', 'www.example.net'). */ public function set_https_domains($domains = []) { if (is_array($domains)) { $this->sanitize->set_https_domains($domains); } } /** * Set the handler to enable the display of cached images. * * @param string $page Web-accessible path to the handler_image.php file. * @param string $qs The query string that the value should be passed to. */ public function set_image_handler($page = false, $qs = 'i') { if ($page !== false) { $this->sanitize->set_image_handler($page . '?' . $qs . '='); } else { $this->image_handler = ''; } } /** * Set the limit for items returned per-feed with multifeeds * * @param integer $limit The maximum number of items to return. */ public function set_item_limit($limit = 0) { $this->item_limit = (int) $limit; } /** * Enable throwing exceptions * * @param boolean $enable Should we throw exceptions, or use the old-style error property? */ public function enable_exceptions($enable = true) { $this->enable_exceptions = $enable; } /** * Initialize the feed object * * This is what makes everything happen. Period. This is where all of the * configuration options get processed, feeds are fetched, cached, and * parsed, and all of that other good stuff. * * @return boolean True if successful, false otherwise */ public function init() { // Check absolute bare minimum requirements. if (!extension_loaded('xml') || !extension_loaded('pcre')) { $this->error = 'XML or PCRE extensions not loaded!'; return false; } // Then check the xml extension is sane (i.e., libxml 2.7.x issue on PHP < 5.2.9 and libxml 2.7.0 to 2.7.2 on any version) if we don't have xmlreader. elseif (!extension_loaded('xmlreader')) { static $xml_is_sane = null; if ($xml_is_sane === null) { $parser_check = xml_parser_create(); xml_parse_into_struct($parser_check, '<foo>&</foo>', $values); xml_parser_free($parser_check); $xml_is_sane = isset($values[0]['value']); } if (!$xml_is_sane) { return false; } } // The default sanitize class gets set in the constructor, check if it has // changed. if ($this->registry->get_class(Sanitize::class) !== 'SimplePie\Sanitize') { $this->sanitize = $this->registry->create(Sanitize::class); } if (method_exists($this->sanitize, 'set_registry')) { $this->sanitize->set_registry($this->registry); } // Pass whatever was set with config options over to the sanitizer. // Pass the classes in for legacy support; new classes should use the registry instead $this->sanitize->pass_cache_data( $this->enable_cache, $this->cache_location, $this->cache_namefilter, $this->registry->get_class(Cache::class), $this->cache ); $this->sanitize->pass_file_data($this->registry->get_class(File::class), $this->timeout, $this->useragent, $this->force_fsockopen, $this->curl_options); if (!empty($this->multifeed_url)) { $i = 0; $success = 0; $this->multifeed_objects = []; $this->error = []; foreach ($this->multifeed_url as $url) { $this->multifeed_objects[$i] = clone $this; $this->multifeed_objects[$i]->set_feed_url($url); $single_success = $this->multifeed_objects[$i]->init(); $success |= $single_success; if (!$single_success) { $this->error[$i] = $this->multifeed_objects[$i]->error(); } $i++; } return (bool) $success; } elseif ($this->feed_url === null && $this->raw_data === null) { return false; } $this->error = null; $this->data = []; $this->check_modified = false; $this->multifeed_objects = []; $cache = false; if ($this->feed_url !== null) { $parsed_feed_url = $this->registry->call(Misc::class, 'parse_url', [$this->feed_url]); // Decide whether to enable caching if ($this->enable_cache && $parsed_feed_url['scheme'] !== '') { $cache = $this->get_cache($this->feed_url); } // Fetch the data via \SimplePie\File into $this->raw_data if (($fetched = $this->fetch_data($cache)) === true) { return true; } elseif ($fetched === false) { return false; } [$headers, $sniffed] = $fetched; } // Empty response check if (empty($this->raw_data)) { $this->error = "A feed could not be found at `$this->feed_url`. Empty body."; $this->registry->call(Misc::class, 'error', [$this->error, E_USER_NOTICE, __FILE__, __LINE__]); return false; } // Set up array of possible encodings $encodings = []; // First check to see if input has been overridden. if ($this->input_encoding !== false) { $encodings[] = strtoupper($this->input_encoding); } $application_types = ['application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity']; $text_types = ['text/xml', 'text/xml-external-parsed-entity']; // RFC 3023 (only applies to sniffed content) if (isset($sniffed)) { if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml') { if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset)) { $encodings[] = strtoupper($charset[1]); } $encodings = array_merge($encodings, $this->registry->call(Misc::class, 'xml_encoding', [$this->raw_data, &$this->registry])); $encodings[] = 'UTF-8'; } elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml') { if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset)) { $encodings[] = strtoupper($charset[1]); } $encodings[] = 'US-ASCII'; } // Text MIME-type default elseif (substr($sniffed, 0, 5) === 'text/') { $encodings[] = 'UTF-8'; } } // Fallback to XML 1.0 Appendix F.1/UTF-8/ISO-8859-1 $encodings = array_merge($encodings, $this->registry->call(Misc::class, 'xml_encoding', [$this->raw_data, &$this->registry])); $encodings[] = 'UTF-8'; $encodings[] = 'ISO-8859-1'; // There's no point in trying an encoding twice $encodings = array_unique($encodings); // Loop through each possible encoding, till we return something, or run out of possibilities foreach ($encodings as $encoding) { // Change the encoding to UTF-8 (as we always use UTF-8 internally) if ($utf8_data = $this->registry->call(Misc::class, 'change_encoding', [$this->raw_data, $encoding, 'UTF-8'])) { // Create new parser $parser = $this->registry->create(Parser::class); // If it's parsed fine if ($parser->parse($utf8_data, 'UTF-8', $this->permanent_url)) { $this->data = $parser->get_data(); if (!($this->get_type() & ~self::TYPE_NONE)) { $this->error = "A feed could not be found at `$this->feed_url`. This does not appear to be a valid RSS or Atom feed."; $this->registry->call(Misc::class, 'error', [$this->error, E_USER_NOTICE, __FILE__, __LINE__]); return false; } if (isset($headers)) { $this->data['headers'] = $headers; } $this->data['build'] = \SimplePie\Misc::get_build(); // Cache the file if caching is enabled $this->data['cache_expiration_time'] = $this->cache_duration + time(); if ($cache && !$cache->set_data($this->get_cache_filename($this->feed_url), $this->data, $this->cache_duration)) { trigger_error("$this->cache_location is not writable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING); } return true; } } } if (isset($parser)) { // We have an error, just set \SimplePie\Misc::error to it and quit $this->error = $this->feed_url; $this->error .= sprintf(' is invalid XML, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column()); } else { $this->error = 'The data could not be converted to UTF-8.'; if (!extension_loaded('mbstring') && !extension_loaded('iconv') && !class_exists('\UConverter')) { $this->error .= ' You MUST have either the iconv, mbstring or intl (PHP 5.5+) extension installed and enabled.'; } else { $missingExtensions = []; if (!extension_loaded('iconv')) { $missingExtensions[] = 'iconv'; } if (!extension_loaded('mbstring')) { $missingExtensions[] = 'mbstring'; } if (!class_exists('\UConverter')) { $missingExtensions[] = 'intl (PHP 5.5+)'; } $this->error .= ' Try installing/enabling the ' . implode(' or ', $missingExtensions) . ' extension.'; } } $this->registry->call(Misc::class, 'error', [$this->error, E_USER_NOTICE, __FILE__, __LINE__]); return false; } /** * Fetch the data via \SimplePie\File * * If the data is already cached, attempt to fetch it from there instead * @param Base|DataCache|false $cache Cache handler, or false to not load from the cache * @return array|true Returns true if the data was loaded from the cache, or an array of HTTP headers and sniffed type */ protected function fetch_data(&$cache) { if (is_object($cache) && $cache instanceof Base) { // @trigger_error(sprintf('Providing $cache as "\SimplePie\Cache\Base" in %s() is deprecated since SimplePie 1.8.0, please provide "\SimplePie\Cache\DataCache" implementation instead.', __METHOD__), \E_USER_DEPRECATED); $cache = new BaseDataCache($cache); } if ($cache !== false && !$cache instanceof DataCache) { throw new InvalidArgumentException(sprintf( '%s(): Argument #1 ($cache) must be of type %s|false', __METHOD__, DataCache::class ), 1); } $cacheKey = $this->get_cache_filename($this->feed_url); // If it's enabled, use the cache if ($cache) { // Load the Cache $this->data = $cache->get_data($cacheKey, []); if (!empty($this->data)) { // If the cache is for an outdated build of SimplePie if (!isset($this->data['build']) || $this->data['build'] !== \SimplePie\Misc::get_build()) { $cache->delete_data($cacheKey); $this->data = []; } // If we've hit a collision just rerun it with caching disabled elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url) { $cache = false; $this->data = []; } // If we've got a non feed_url stored (if the page isn't actually a feed, or is a redirect) use that URL. elseif (isset($this->data['feed_url'])) { // Do not need to do feed autodiscovery yet. if ($this->data['feed_url'] !== $this->data['url']) { $this->set_feed_url($this->data['feed_url']); $this->data['url'] = $this->data['feed_url']; $cache->set_data($this->get_cache_filename($this->feed_url), $this->data, $this->autodiscovery_cache_duration); return $this->init(); } $cache->delete_data($this->get_cache_filename($this->feed_url)); $this->data = []; } // Check if the cache has been updated elseif (isset($this->data['cache_expiration_time']) && $this->data['cache_expiration_time'] > time()) { // Want to know if we tried to send last-modified and/or etag headers // when requesting this file. (Note that it's up to the file to // support this, but we don't always send the headers either.) $this->check_modified = true; if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag'])) { $headers = [ 'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1', ]; if (isset($this->data['headers']['last-modified'])) { $headers['if-modified-since'] = $this->data['headers']['last-modified']; } if (isset($this->data['headers']['etag'])) { $headers['if-none-match'] = $this->data['headers']['etag']; } $file = $this->registry->create(File::class, [$this->feed_url, $this->timeout / 10, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options]); $this->status_code = $file->status_code; if ($file->success) { if ($file->status_code === 304) { // Set raw_data to false here too, to signify that the cache // is still valid. $this->raw_data = false; $cache->set_data($cacheKey, $this->data, $this->cache_duration); return true; } } else { $this->check_modified = false; if ($this->force_cache_fallback) { $cache->set_data($cacheKey, $this->data, $this->cache_duration); return true; } unset($file); } } } // If the cache is still valid, just return true else { $this->raw_data = false; return true; } } // If the cache is empty else { $this->data = []; } } // If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it. if (!isset($file)) { if ($this->file instanceof \SimplePie\File && $this->file->url === $this->feed_url) { $file = &$this->file; } else { $headers = [ 'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1', ]; $file = $this->registry->create(File::class, [$this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options]); } } $this->status_code = $file->status_code; // If the file connection has an error, set SimplePie::error to that and quit if (!$file->success && !($file->method & self::FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300))) { $this->error = $file->error; return !empty($this->data); } if (!$this->force_feed) { // Check if the supplied URL is a feed, if it isn't, look for it. $locate = $this->registry->create(Locator::class, [&$file, $this->timeout, $this->useragent, $this->max_checked_feeds, $this->force_fsockopen, $this->curl_options]); if (!$locate->is_feed($file)) { $copyStatusCode = $file->status_code; $copyContentType = $file->headers['content-type']; try { $microformats = false; if (class_exists('DOMXpath') && function_exists('Mf2\parse')) { $doc = new \DOMDocument(); @$doc->loadHTML($file->body); $xpath = new \DOMXpath($doc); // Check for both h-feed and h-entry, as both a feed with no entries // and a list of entries without an h-feed wrapper are both valid. $query = '//*[contains(concat(" ", @class, " "), " h-feed ") or '. 'contains(concat(" ", @class, " "), " h-entry ")]'; $result = $xpath->query($query); $microformats = $result->length !== 0; } // Now also do feed discovery, but if microformats were found don't // overwrite the current value of file. $discovered = $locate->find( $this->autodiscovery, $this->all_discovered_feeds ); if ($microformats) { if ($hub = $locate->get_rel_link('hub')) { $self = $locate->get_rel_link('self'); $this->store_links($file, $hub, $self); } // Push the current file onto all_discovered feeds so the user can // be shown this as one of the options. if (isset($this->all_discovered_feeds)) { $this->all_discovered_feeds[] = $file; } } else { if ($discovered) { $file = $discovered; } else { // We need to unset this so that if SimplePie::set_file() has // been called that object is untouched unset($file); $this->error = "A feed could not be found at `$this->feed_url`; the status code is `$copyStatusCode` and content-type is `$copyContentType`"; $this->registry->call(Misc::class, 'error', [$this->error, E_USER_NOTICE, __FILE__, __LINE__]); return false; } } } catch (\SimplePie\Exception $e) { // We need to unset this so that if SimplePie::set_file() has been called that object is untouched unset($file); // This is usually because DOMDocument doesn't exist $this->error = $e->getMessage(); $this->registry->call(Misc::class, 'error', [$this->error, E_USER_NOTICE, $e->getFile(), $e->getLine()]); return false; } if ($cache) { $this->data = [ 'url' => $this->feed_url, 'feed_url' => $file->url, 'build' => \SimplePie\Misc::get_build(), 'cache_expiration_time' => $this->cache_duration + time(), ]; if (!$cache->set_data($cacheKey, $this->data, $this->cache_duration)) { trigger_error("$this->cache_location is not writable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING); } } } $this->feed_url = $file->url; $locate = null; } $this->raw_data = $file->body; $this->permanent_url = $file->permanent_url; $headers = $file->headers; $sniffer = $this->registry->create(Sniffer::class, [&$file]); $sniffed = $sniffer->get_type(); return [$headers, $sniffed]; } /** * Get the error message for the occurred error * * @return string|array Error message, or array of messages for multifeeds */ public function error() { return $this->error; } /** * Get the last HTTP status code * * @return int Status code */ public function status_code() { return $this->status_code; } /** * Get the raw XML * * This is the same as the old `$feed->enable_xml_dump(true)`, but returns * the data instead of printing it. * * @return string|boolean Raw XML data, false if the cache is used */ public function get_raw_data() { return $this->raw_data; } /** * Get the character encoding used for output * * @since Preview Release * @return string */ public function get_encoding() { return $this->sanitize->output_encoding; } /** * Send the content-type header with correct encoding * * This method ensures that the SimplePie-enabled page is being served with * the correct {@link http://www.iana.org/assignments/media-types/ mime-type} * and character encoding HTTP headers (character encoding determined by the * {@see set_output_encoding} config option). * * This won't work properly if any content or whitespace has already been * sent to the browser, because it relies on PHP's * {@link http://php.net/header header()} function, and these are the * circumstances under which the function works. * * Because it's setting these settings for the entire page (as is the nature * of HTTP headers), this should only be used once per page (again, at the * top). * * @param string $mime MIME type to serve the page as */ public function handle_content_type($mime = 'text/html') { if (!headers_sent()) { $header = "Content-type: $mime;"; if ($this->get_encoding()) { $header .= ' charset=' . $this->get_encoding(); } else { $header .= ' charset=UTF-8'; } header($header); } } /** * Get the type of the feed * * This returns a \SimplePie\SimplePie::TYPE_* constant, which can be tested against * using {@link http://php.net/language.operators.bitwise bitwise operators} * * @since 0.8 (usage changed to using constants in 1.0) * @see \SimplePie\SimplePie::TYPE_NONE Unknown. * @see \SimplePie\SimplePie::TYPE_RSS_090 RSS 0.90. * @see \SimplePie\SimplePie::TYPE_RSS_091_NETSCAPE RSS 0.91 (Netscape). * @see \SimplePie\SimplePie::TYPE_RSS_091_USERLAND RSS 0.91 (Userland). * @see \SimplePie\SimplePie::TYPE_RSS_091 RSS 0.91. * @see \SimplePie\SimplePie::TYPE_RSS_092 RSS 0.92. * @see \SimplePie\SimplePie::TYPE_RSS_093 RSS 0.93. * @see \SimplePie\SimplePie::TYPE_RSS_094 RSS 0.94. * @see \SimplePie\SimplePie::TYPE_RSS_10 RSS 1.0. * @see \SimplePie\SimplePie::TYPE_RSS_20 RSS 2.0.x. * @see \SimplePie\SimplePie::TYPE_RSS_RDF RDF-based RSS. * @see \SimplePie\SimplePie::TYPE_RSS_SYNDICATION Non-RDF-based RSS (truly intended as syndication format). * @see \SimplePie\SimplePie::TYPE_RSS_ALL Any version of RSS. * @see \SimplePie\SimplePie::TYPE_ATOM_03 Atom 0.3. * @see \SimplePie\SimplePie::TYPE_ATOM_10 Atom 1.0. * @see \SimplePie\SimplePie::TYPE_ATOM_ALL Any version of Atom. * @see \SimplePie\SimplePie::TYPE_ALL Any known/supported feed type. * @return int \SimplePie\SimplePie::TYPE_* constant */ public function get_type() { if (!isset($this->data['type'])) { $this->data['type'] = self::TYPE_ALL; if (isset($this->data['child'][self::NAMESPACE_ATOM_10]['feed'])) { $this->data['type'] &= self::TYPE_ATOM_10; } elseif (isset($this->data['child'][self::NAMESPACE_ATOM_03]['feed'])) { $this->data['type'] &= self::TYPE_ATOM_03; } elseif (isset($this->data['child'][self::NAMESPACE_RDF]['RDF'])) { if (isset($this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['child'][self::NAMESPACE_RSS_10]['channel']) || isset($this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['child'][self::NAMESPACE_RSS_10]['image']) || isset($this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['child'][self::NAMESPACE_RSS_10]['item']) || isset($this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['child'][self::NAMESPACE_RSS_10]['textinput'])) { $this->data['type'] &= self::TYPE_RSS_10; } if (isset($this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['child'][self::NAMESPACE_RSS_090]['channel']) || isset($this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['child'][self::NAMESPACE_RSS_090]['image']) || isset($this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['child'][self::NAMESPACE_RSS_090]['item']) || isset($this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['child'][self::NAMESPACE_RSS_090]['textinput'])) { $this->data['type'] &= self::TYPE_RSS_090; } } elseif (isset($this->data['child'][self::NAMESPACE_RSS_20]['rss'])) { $this->data['type'] &= self::TYPE_RSS_ALL; if (isset($this->data['child'][self::NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version'])) { switch (trim($this->data['child'][self::NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version'])) { case '0.91': $this->data['type'] &= self::TYPE_RSS_091; if (isset($this->data['child'][self::NAMESPACE_RSS_20]['rss'][0]['child'][self::NAMESPACE_RSS_20]['skiphours']['hour'][0]['data'])) { switch (trim($this->data['child'][self::NAMESPACE_RSS_20]['rss'][0]['child'][self::NAMESPACE_RSS_20]['skiphours']['hour'][0]['data'])) { case '0': $this->data['type'] &= self::TYPE_RSS_091_NETSCAPE; break; case '24': $this->data['type'] &= self::TYPE_RSS_091_USERLAND; break; } } break; case '0.92': $this->data['type'] &= self::TYPE_RSS_092; break; case '0.93': $this->data['type'] &= self::TYPE_RSS_093; break; case '0.94': $this->data['type'] &= self::TYPE_RSS_094; break; case '2.0': $this->data['type'] &= self::TYPE_RSS_20; break; } } } else { $this->data['type'] = self::TYPE_NONE; } } return $this->data['type']; } /** * Get the URL for the feed * * When the 'permanent' mode is enabled, returns the original feed URL, * except in the case of an `HTTP 301 Moved Permanently` status response, * in which case the location of the first redirection is returned. * * When the 'permanent' mode is disabled (default), * may or may not be different from the URL passed to {@see set_feed_url()}, * depending on whether auto-discovery was used, and whether there were * any redirects along the way. * * @since Preview Release (previously called `get_feed_url()` since SimplePie 0.8.) * @todo Support <itunes:new-feed-url> * @todo Also, |atom:link|@rel=self * @param bool $permanent Permanent mode to return only the original URL or the first redirection * iff it is a 301 redirection * @return string|null */ public function subscribe_url($permanent = false) { if ($permanent) { if ($this->permanent_url !== null) { // sanitize encodes ampersands which are required when used in a url. return str_replace( '&', '&', $this->sanitize( $this->permanent_url, self::CONSTRUCT_IRI ) ); } } else { if ($this->feed_url !== null) { return str_replace( '&', '&', $this->sanitize( $this->feed_url, self::CONSTRUCT_IRI ) ); } } return null; } /** * Get data for an feed-level element * * This method allows you to get access to ANY element/attribute that is a * sub-element of the opening feed tag. * * The return value is an indexed array of elements matching the given * namespace and tag name. Each element has `attribs`, `data` and `child` * subkeys. For `attribs` and `child`, these contain namespace subkeys. * `attribs` then has one level of associative name => value data (where * `value` is a string) after the namespace. `child` has tag-indexed keys * after the namespace, each member of which is an indexed array matching * this same format. * * For example: * <pre> * // This is probably a bad example because we already support * // <media:content> natively, but it shows you how to parse through * // the nodes. * $group = $item->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'group'); * $content = $group[0]['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['content']; * $file = $content[0]['attribs']['']['url']; * echo $file; * </pre> * * @since 1.0 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces * @param string $namespace The URL of the XML namespace of the elements you're trying to access * @param string $tag Tag name * @return array */ public function get_feed_tags($namespace, $tag) { $type = $this->get_type(); if ($type & self::TYPE_ATOM_10) { if (isset($this->data['child'][self::NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag])) { return $this->data['child'][self::NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag]; } } if ($type & self::TYPE_ATOM_03) { if (isset($this->data['child'][self::NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag])) { return $this->data['child'][self::NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag]; } } if ($type & self::TYPE_RSS_RDF) { if (isset($this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag])) { return $this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag]; } } if ($type & self::TYPE_RSS_SYNDICATION) { if (isset($this->data['child'][self::NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag])) { return $this->data['child'][self::NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag]; } } return null; } /** * Get data for an channel-level element * * This method allows you to get access to ANY element/attribute in the * channel/header section of the feed. * * See {@see SimplePie::get_feed_tags()} for a description of the return value * * @since 1.0 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces * @param string $namespace The URL of the XML namespace of the elements you're trying to access * @param string $tag Tag name * @return array */ public function get_channel_tags($namespace, $tag) { $type = $this->get_type(); if ($type & self::TYPE_ATOM_ALL) { if ($return = $this->get_feed_tags($namespace, $tag)) { return $return; } } if ($type & self::TYPE_RSS_10) { if ($channel = $this->get_feed_tags(self::NAMESPACE_RSS_10, 'channel')) { if (isset($channel[0]['child'][$namespace][$tag])) { return $channel[0]['child'][$namespace][$tag]; } } } if ($type & self::TYPE_RSS_090) { if ($channel = $this->get_feed_tags(self::NAMESPACE_RSS_090, 'channel')) { if (isset($channel[0]['child'][$namespace][$tag])) { return $channel[0]['child'][$namespace][$tag]; } } } if ($type & self::TYPE_RSS_SYNDICATION) { if ($channel = $this->get_feed_tags(self::NAMESPACE_RSS_20, 'channel')) { if (isset($channel[0]['child'][$namespace][$tag])) { return $channel[0]['child'][$namespace][$tag]; } } } return null; } /** * Get data for an channel-level element * * This method allows you to get access to ANY element/attribute in the * image/logo section of the feed. * * See {@see SimplePie::get_feed_tags()} for a description of the return value * * @since 1.0 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces * @param string $namespace The URL of the XML namespace of the elements you're trying to access * @param string $tag Tag name * @return array */ public function get_image_tags($namespace, $tag) { $type = $this->get_type(); if ($type & self::TYPE_RSS_10) { if ($image = $this->get_feed_tags(self::NAMESPACE_RSS_10, 'image')) { if (isset($image[0]['child'][$namespace][$tag])) { return $image[0]['child'][$namespace][$tag]; } } } if ($type & self::TYPE_RSS_090) { if ($image = $this->get_feed_tags(self::NAMESPACE_RSS_090, 'image')) { if (isset($image[0]['child'][$namespace][$tag])) { return $image[0]['child'][$namespace][$tag]; } } } if ($type & self::TYPE_RSS_SYNDICATION) { if ($image = $this->get_channel_tags(self::NAMESPACE_RSS_20, 'image')) { if (isset($image[0]['child'][$namespace][$tag])) { return $image[0]['child'][$namespace][$tag]; } } } return null; } /** * Get the base URL value from the feed * * Uses `<xml:base>` if available, otherwise uses the first link in the * feed, or failing that, the URL of the feed itself. * * @see get_link * @see subscribe_url * * @param array $element * @return string */ public function get_base($element = []) { if (!empty($element['xml_base_explicit']) && isset($element['xml_base'])) { return $element['xml_base']; } elseif ($this->get_link() !== null) { return $this->get_link(); } return $this->subscribe_url(); } /** * Sanitize feed data * * @access private * @see \SimplePie\Sanitize::sanitize() * @param string $data Data to sanitize * @param int $type One of the \SimplePie\SimplePie::CONSTRUCT_* constants * @param string $base Base URL to resolve URLs against * @return string Sanitized data */ public function sanitize($data, $type, $base = '') { try { return $this->sanitize->sanitize($data, $type, $base); } catch (\SimplePie\Exception $e) { if (!$this->enable_exceptions) { $this->error = $e->getMessage(); $this->registry->call(Misc::class, 'error', [$this->error, E_USER_WARNING, $e->getFile(), $e->getLine()]); return ''; } throw $e; } } /** * Get the title of the feed * * Uses `<atom:title>`, `<title>` or `<dc:title>` * * @since 1.0 (previously called `get_feed_title` since 0.8) * @return string|null */ public function get_title() { if ($return = $this->get_channel_tags(self::NAMESPACE_ATOM_10, 'title')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_ATOM_03, 'title')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_RSS_10, 'title')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_RSS_090, 'title')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_RSS_20, 'title')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_DC_11, 'title')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_DC_10, 'title')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } return null; } /** * Get a category for the feed * * @since Unknown * @param int $key The category that you want to return. Remember that arrays begin with 0, not 1 * @return \SimplePie\Category|null */ public function get_category($key = 0) { $categories = $this->get_categories(); if (isset($categories[$key])) { return $categories[$key]; } return null; } /** * Get all categories for the feed * * Uses `<atom:category>`, `<category>` or `<dc:subject>` * * @since Unknown * @return array|null List of {@see \SimplePie\Category} objects */ public function get_categories() { $categories = []; foreach ((array) $this->get_channel_tags(self::NAMESPACE_ATOM_10, 'category') as $category) { $term = null; $scheme = null; $label = null; if (isset($category['attribs']['']['term'])) { $term = $this->sanitize($category['attribs']['']['term'], self::CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], self::CONSTRUCT_TEXT); } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], self::CONSTRUCT_TEXT); } $categories[] = $this->registry->create(Category::class, [$term, $scheme, $label]); } foreach ((array) $this->get_channel_tags(self::NAMESPACE_RSS_20, 'category') as $category) { // This is really the label, but keep this as the term also for BC. // Label will also work on retrieving because that falls back to term. $term = $this->sanitize($category['data'], self::CONSTRUCT_TEXT); if (isset($category['attribs']['']['domain'])) { $scheme = $this->sanitize($category['attribs']['']['domain'], self::CONSTRUCT_TEXT); } else { $scheme = null; } $categories[] = $this->registry->create(Category::class, [$term, $scheme, null]); } foreach ((array) $this->get_channel_tags(self::NAMESPACE_DC_11, 'subject') as $category) { $categories[] = $this->registry->create(Category::class, [$this->sanitize($category['data'], self::CONSTRUCT_TEXT), null, null]); } foreach ((array) $this->get_channel_tags(self::NAMESPACE_DC_10, 'subject') as $category) { $categories[] = $this->registry->create(Category::class, [$this->sanitize($category['data'], self::CONSTRUCT_TEXT), null, null]); } if (!empty($categories)) { return array_unique($categories); } return null; } /** * Get an author for the feed * * @since 1.1 * @param int $key The author that you want to return. Remember that arrays begin with 0, not 1 * @return \SimplePie\Author|null */ public function get_author($key = 0) { $authors = $this->get_authors(); if (isset($authors[$key])) { return $authors[$key]; } return null; } /** * Get all authors for the feed * * Uses `<atom:author>`, `<author>`, `<dc:creator>` or `<itunes:author>` * * @since 1.1 * @return array|null List of {@see \SimplePie\Author} objects */ public function get_authors() { $authors = []; foreach ((array) $this->get_channel_tags(self::NAMESPACE_ATOM_10, 'author') as $author) { $name = null; $uri = null; $email = null; if (isset($author['child'][self::NAMESPACE_ATOM_10]['name'][0]['data'])) { $name = $this->sanitize($author['child'][self::NAMESPACE_ATOM_10]['name'][0]['data'], self::CONSTRUCT_TEXT); } if (isset($author['child'][self::NAMESPACE_ATOM_10]['uri'][0]['data'])) { $uri = $this->sanitize($author['child'][self::NAMESPACE_ATOM_10]['uri'][0]['data'], self::CONSTRUCT_IRI, $this->get_base($author['child'][self::NAMESPACE_ATOM_10]['uri'][0])); } if (isset($author['child'][self::NAMESPACE_ATOM_10]['email'][0]['data'])) { $email = $this->sanitize($author['child'][self::NAMESPACE_ATOM_10]['email'][0]['data'], self::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $uri !== null) { $authors[] = $this->registry->create(Author::class, [$name, $uri, $email]); } } if ($author = $this->get_channel_tags(self::NAMESPACE_ATOM_03, 'author')) { $name = null; $url = null; $email = null; if (isset($author[0]['child'][self::NAMESPACE_ATOM_03]['name'][0]['data'])) { $name = $this->sanitize($author[0]['child'][self::NAMESPACE_ATOM_03]['name'][0]['data'], self::CONSTRUCT_TEXT); } if (isset($author[0]['child'][self::NAMESPACE_ATOM_03]['url'][0]['data'])) { $url = $this->sanitize($author[0]['child'][self::NAMESPACE_ATOM_03]['url'][0]['data'], self::CONSTRUCT_IRI, $this->get_base($author[0]['child'][self::NAMESPACE_ATOM_03]['url'][0])); } if (isset($author[0]['child'][self::NAMESPACE_ATOM_03]['email'][0]['data'])) { $email = $this->sanitize($author[0]['child'][self::NAMESPACE_ATOM_03]['email'][0]['data'], self::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $url !== null) { $authors[] = $this->registry->create(Author::class, [$name, $url, $email]); } } foreach ((array) $this->get_channel_tags(self::NAMESPACE_DC_11, 'creator') as $author) { $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], self::CONSTRUCT_TEXT), null, null]); } foreach ((array) $this->get_channel_tags(self::NAMESPACE_DC_10, 'creator') as $author) { $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], self::CONSTRUCT_TEXT), null, null]); } foreach ((array) $this->get_channel_tags(self::NAMESPACE_ITUNES, 'author') as $author) { $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], self::CONSTRUCT_TEXT), null, null]); } if (!empty($authors)) { return array_unique($authors); } return null; } /** * Get a contributor for the feed * * @since 1.1 * @param int $key The contrbutor that you want to return. Remember that arrays begin with 0, not 1 * @return \SimplePie\Author|null */ public function get_contributor($key = 0) { $contributors = $this->get_contributors(); if (isset($contributors[$key])) { return $contributors[$key]; } return null; } /** * Get all contributors for the feed * * Uses `<atom:contributor>` * * @since 1.1 * @return array|null List of {@see \SimplePie\Author} objects */ public function get_contributors() { $contributors = []; foreach ((array) $this->get_channel_tags(self::NAMESPACE_ATOM_10, 'contributor') as $contributor) { $name = null; $uri = null; $email = null; if (isset($contributor['child'][self::NAMESPACE_ATOM_10]['name'][0]['data'])) { $name = $this->sanitize($contributor['child'][self::NAMESPACE_ATOM_10]['name'][0]['data'], self::CONSTRUCT_TEXT); } if (isset($contributor['child'][self::NAMESPACE_ATOM_10]['uri'][0]['data'])) { $uri = $this->sanitize($contributor['child'][self::NAMESPACE_ATOM_10]['uri'][0]['data'], self::CONSTRUCT_IRI, $this->get_base($contributor['child'][self::NAMESPACE_ATOM_10]['uri'][0])); } if (isset($contributor['child'][self::NAMESPACE_ATOM_10]['email'][0]['data'])) { $email = $this->sanitize($contributor['child'][self::NAMESPACE_ATOM_10]['email'][0]['data'], self::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $uri !== null) { $contributors[] = $this->registry->create(Author::class, [$name, $uri, $email]); } } foreach ((array) $this->get_channel_tags(self::NAMESPACE_ATOM_03, 'contributor') as $contributor) { $name = null; $url = null; $email = null; if (isset($contributor['child'][self::NAMESPACE_ATOM_03]['name'][0]['data'])) { $name = $this->sanitize($contributor['child'][self::NAMESPACE_ATOM_03]['name'][0]['data'], self::CONSTRUCT_TEXT); } if (isset($contributor['child'][self::NAMESPACE_ATOM_03]['url'][0]['data'])) { $url = $this->sanitize($contributor['child'][self::NAMESPACE_ATOM_03]['url'][0]['data'], self::CONSTRUCT_IRI, $this->get_base($contributor['child'][self::NAMESPACE_ATOM_03]['url'][0])); } if (isset($contributor['child'][self::NAMESPACE_ATOM_03]['email'][0]['data'])) { $email = $this->sanitize($contributor['child'][self::NAMESPACE_ATOM_03]['email'][0]['data'], self::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $url !== null) { $contributors[] = $this->registry->create(Author::class, [$name, $url, $email]); } } if (!empty($contributors)) { return array_unique($contributors); } return null; } /** * Get a single link for the feed * * @since 1.0 (previously called `get_feed_link` since Preview Release, `get_feed_permalink()` since 0.8) * @param int $key The link that you want to return. Remember that arrays begin with 0, not 1 * @param string $rel The relationship of the link to return * @return string|null Link URL */ public function get_link($key = 0, $rel = 'alternate') { $links = $this->get_links($rel); if (isset($links[$key])) { return $links[$key]; } return null; } /** * Get the permalink for the item * * Returns the first link available with a relationship of "alternate". * Identical to {@see get_link()} with key 0 * * @see get_link * @since 1.0 (previously called `get_feed_link` since Preview Release, `get_feed_permalink()` since 0.8) * @internal Added for parity between the parent-level and the item/entry-level. * @return string|null Link URL */ public function get_permalink() { return $this->get_link(0); } /** * Get all links for the feed * * Uses `<atom:link>` or `<link>` * * @since Beta 2 * @param string $rel The relationship of links to return * @return array|null Links found for the feed (strings) */ public function get_links($rel = 'alternate') { if (!isset($this->data['links'])) { $this->data['links'] = []; if ($links = $this->get_channel_tags(self::NAMESPACE_ATOM_10, 'link')) { foreach ($links as $link) { if (isset($link['attribs']['']['href'])) { $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], self::CONSTRUCT_IRI, $this->get_base($link)); } } } if ($links = $this->get_channel_tags(self::NAMESPACE_ATOM_03, 'link')) { foreach ($links as $link) { if (isset($link['attribs']['']['href'])) { $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], self::CONSTRUCT_IRI, $this->get_base($link)); } } } if ($links = $this->get_channel_tags(self::NAMESPACE_RSS_10, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], self::CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_channel_tags(self::NAMESPACE_RSS_090, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], self::CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_channel_tags(self::NAMESPACE_RSS_20, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], self::CONSTRUCT_IRI, $this->get_base($links[0])); } $keys = array_keys($this->data['links']); foreach ($keys as $key) { if ($this->registry->call(Misc::class, 'is_isegment_nz_nc', [$key])) { if (isset($this->data['links'][self::IANA_LINK_RELATIONS_REGISTRY . $key])) { $this->data['links'][self::IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][self::IANA_LINK_RELATIONS_REGISTRY . $key]); $this->data['links'][$key] = &$this->data['links'][self::IANA_LINK_RELATIONS_REGISTRY . $key]; } else { $this->data['links'][self::IANA_LINK_RELATIONS_REGISTRY . $key] = &$this->data['links'][$key]; } } elseif (substr($key, 0, 41) === self::IANA_LINK_RELATIONS_REGISTRY) { $this->data['links'][substr($key, 41)] = &$this->data['links'][$key]; } $this->data['links'][$key] = array_unique($this->data['links'][$key]); } } if (isset($this->data['headers']['link'])) { $link_headers = $this->data['headers']['link']; if (is_array($link_headers)) { $link_headers = implode(',', $link_headers); } // https://datatracker.ietf.org/doc/html/rfc8288 if (is_string($link_headers) && preg_match_all('/<(?P<uri>[^>]+)>\s*;\s*rel\s*=\s*(?P<quote>"?)' . preg_quote($rel) . '(?P=quote)\s*(?=,|$)/i', $link_headers, $matches)) { return $matches['uri']; } } if (isset($this->data['links'][$rel])) { return $this->data['links'][$rel]; } return null; } public function get_all_discovered_feeds() { return $this->all_discovered_feeds; } /** * Get the content for the item * * Uses `<atom:subtitle>`, `<atom:tagline>`, `<description>`, * `<dc:description>`, `<itunes:summary>` or `<itunes:subtitle>` * * @since 1.0 (previously called `get_feed_description()` since 0.8) * @return string|null */ public function get_description() { if ($return = $this->get_channel_tags(self::NAMESPACE_ATOM_10, 'subtitle')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_ATOM_03, 'tagline')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_RSS_10, 'description')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_RSS_090, 'description')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_RSS_20, 'description')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_DC_11, 'description')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_DC_10, 'description')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_ITUNES, 'summary')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_ITUNES, 'subtitle')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_HTML, $this->get_base($return[0])); } return null; } /** * Get the copyright info for the feed * * Uses `<atom:rights>`, `<atom:copyright>` or `<dc:rights>` * * @since 1.0 (previously called `get_feed_copyright()` since 0.8) * @return string|null */ public function get_copyright() { if ($return = $this->get_channel_tags(self::NAMESPACE_ATOM_10, 'rights')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_ATOM_03, 'copyright')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_RSS_20, 'copyright')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_DC_11, 'rights')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_DC_10, 'rights')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } return null; } /** * Get the language for the feed * * Uses `<language>`, `<dc:language>`, or @xml_lang * * @since 1.0 (previously called `get_feed_language()` since 0.8) * @return string|null */ public function get_language() { if ($return = $this->get_channel_tags(self::NAMESPACE_RSS_20, 'language')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_DC_11, 'language')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_DC_10, 'language')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif (isset($this->data['child'][self::NAMESPACE_ATOM_10]['feed'][0]['xml_lang'])) { return $this->sanitize($this->data['child'][self::NAMESPACE_ATOM_10]['feed'][0]['xml_lang'], self::CONSTRUCT_TEXT); } elseif (isset($this->data['child'][self::NAMESPACE_ATOM_03]['feed'][0]['xml_lang'])) { return $this->sanitize($this->data['child'][self::NAMESPACE_ATOM_03]['feed'][0]['xml_lang'], self::CONSTRUCT_TEXT); } elseif (isset($this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['xml_lang'])) { return $this->sanitize($this->data['child'][self::NAMESPACE_RDF]['RDF'][0]['xml_lang'], self::CONSTRUCT_TEXT); } elseif (isset($this->data['headers']['content-language'])) { return $this->sanitize($this->data['headers']['content-language'], self::CONSTRUCT_TEXT); } return null; } /** * Get the latitude coordinates for the item * * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications * * Uses `<geo:lat>` or `<georss:point>` * * @since 1.0 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo * @link http://www.georss.org/ GeoRSS * @return string|null */ public function get_latitude() { if ($return = $this->get_channel_tags(self::NAMESPACE_W3C_BASIC_GEO, 'lat')) { return (float) $return[0]['data']; } elseif (($return = $this->get_channel_tags(self::NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) { return (float) $match[1]; } return null; } /** * Get the longitude coordinates for the feed * * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications * * Uses `<geo:long>`, `<geo:lon>` or `<georss:point>` * * @since 1.0 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo * @link http://www.georss.org/ GeoRSS * @return string|null */ public function get_longitude() { if ($return = $this->get_channel_tags(self::NAMESPACE_W3C_BASIC_GEO, 'long')) { return (float) $return[0]['data']; } elseif ($return = $this->get_channel_tags(self::NAMESPACE_W3C_BASIC_GEO, 'lon')) { return (float) $return[0]['data']; } elseif (($return = $this->get_channel_tags(self::NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) { return (float) $match[2]; } return null; } /** * Get the feed logo's title * * RSS 0.9.0, 1.0 and 2.0 feeds are allowed to have a "feed logo" title. * * Uses `<image><title>` or `<image><dc:title>` * * @return string|null */ public function get_image_title() { if ($return = $this->get_image_tags(self::NAMESPACE_RSS_10, 'title')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif ($return = $this->get_image_tags(self::NAMESPACE_RSS_090, 'title')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif ($return = $this->get_image_tags(self::NAMESPACE_RSS_20, 'title')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif ($return = $this->get_image_tags(self::NAMESPACE_DC_11, 'title')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } elseif ($return = $this->get_image_tags(self::NAMESPACE_DC_10, 'title')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_TEXT); } return null; } /** * Get the feed logo's URL * * RSS 0.9.0, 2.0, Atom 1.0, and feeds with iTunes RSS tags are allowed to * have a "feed logo" URL. This points directly to the image itself. * * Uses `<itunes:image>`, `<atom:logo>`, `<atom:icon>`, * `<image><title>` or `<image><dc:title>` * * @return string|null */ public function get_image_url() { if ($return = $this->get_channel_tags(self::NAMESPACE_ITUNES, 'image')) { return $this->sanitize($return[0]['attribs']['']['href'], self::CONSTRUCT_IRI); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_ATOM_10, 'logo')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_IRI, $this->get_base($return[0])); } elseif ($return = $this->get_channel_tags(self::NAMESPACE_ATOM_10, 'icon')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_IRI, $this->get_base($return[0])); } elseif ($return = $this->get_image_tags(self::NAMESPACE_RSS_10, 'url')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_IRI, $this->get_base($return[0])); } elseif ($return = $this->get_image_tags(self::NAMESPACE_RSS_090, 'url')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_IRI, $this->get_base($return[0])); } elseif ($return = $this->get_image_tags(self::NAMESPACE_RSS_20, 'url')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_IRI, $this->get_base($return[0])); } return null; } /** * Get the feed logo's link * * RSS 0.9.0, 1.0 and 2.0 feeds are allowed to have a "feed logo" link. This * points to a human-readable page that the image should link to. * * Uses `<itunes:image>`, `<atom:logo>`, `<atom:icon>`, * `<image><title>` or `<image><dc:title>` * * @return string|null */ public function get_image_link() { if ($return = $this->get_image_tags(self::NAMESPACE_RSS_10, 'link')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_IRI, $this->get_base($return[0])); } elseif ($return = $this->get_image_tags(self::NAMESPACE_RSS_090, 'link')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_IRI, $this->get_base($return[0])); } elseif ($return = $this->get_image_tags(self::NAMESPACE_RSS_20, 'link')) { return $this->sanitize($return[0]['data'], self::CONSTRUCT_IRI, $this->get_base($return[0])); } return null; } /** * Get the feed logo's link * * RSS 2.0 feeds are allowed to have a "feed logo" width. * * Uses `<image><width>` or defaults to 88 if no width is specified and * the feed is an RSS 2.0 feed. * * @return int|null */ public function get_image_width() { if ($return = $this->get_image_tags(self::NAMESPACE_RSS_20, 'width')) { return intval($return[0]['data']); } elseif ($this->get_type() & self::TYPE_RSS_SYNDICATION && $this->get_image_tags(self::NAMESPACE_RSS_20, 'url')) { return 88; } return null; } /** * Get the feed logo's height * * RSS 2.0 feeds are allowed to have a "feed logo" height. * * Uses `<image><height>` or defaults to 31 if no height is specified and * the feed is an RSS 2.0 feed. * * @return int|null */ public function get_image_height() { if ($return = $this->get_image_tags(self::NAMESPACE_RSS_20, 'height')) { return intval($return[0]['data']); } elseif ($this->get_type() & self::TYPE_RSS_SYNDICATION && $this->get_image_tags(self::NAMESPACE_RSS_20, 'url')) { return 31; } return null; } /** * Get the number of items in the feed * * This is well-suited for {@link http://php.net/for for()} loops with * {@see get_item()} * * @param int $max Maximum value to return. 0 for no limit * @return int Number of items in the feed */ public function get_item_quantity($max = 0) { $max = (int) $max; $qty = count($this->get_items()); if ($max === 0) { return $qty; } return ($qty > $max) ? $max : $qty; } /** * Get a single item from the feed * * This is better suited for {@link http://php.net/for for()} loops, whereas * {@see get_items()} is better suited for * {@link http://php.net/foreach foreach()} loops. * * @see get_item_quantity() * @since Beta 2 * @param int $key The item that you want to return. Remember that arrays begin with 0, not 1 * @return \SimplePie\Item|null */ public function get_item($key = 0) { $items = $this->get_items(); if (isset($items[$key])) { return $items[$key]; } return null; } /** * Get all items from the feed * * This is better suited for {@link http://php.net/for for()} loops, whereas * {@see get_items()} is better suited for * {@link http://php.net/foreach foreach()} loops. * * @see get_item_quantity * @since Beta 2 * @param int $start Index to start at * @param int $end Number of items to return. 0 for all items after `$start` * @return \SimplePie\Item[]|null List of {@see \SimplePie\Item} objects */ public function get_items($start = 0, $end = 0) { if (!isset($this->data['items'])) { if (!empty($this->multifeed_objects)) { $this->data['items'] = SimplePie::merge_items($this->multifeed_objects, $start, $end, $this->item_limit); if (empty($this->data['items'])) { return []; } return $this->data['items']; } $this->data['items'] = []; if ($items = $this->get_feed_tags(self::NAMESPACE_ATOM_10, 'entry')) { $keys = array_keys($items); foreach ($keys as $key) { $this->data['items'][] = $this->registry->create(Item::class, [$this, $items[$key]]); } } if ($items = $this->get_feed_tags(self::NAMESPACE_ATOM_03, 'entry')) { $keys = array_keys($items); foreach ($keys as $key) { $this->data['items'][] = $this->registry->create(Item::class, [$this, $items[$key]]); } } if ($items = $this->get_feed_tags(self::NAMESPACE_RSS_10, 'item')) { $keys = array_keys($items); foreach ($keys as $key) { $this->data['items'][] = $this->registry->create(Item::class, [$this, $items[$key]]); } } if ($items = $this->get_feed_tags(self::NAMESPACE_RSS_090, 'item')) { $keys = array_keys($items); foreach ($keys as $key) { $this->data['items'][] = $this->registry->create(Item::class, [$this, $items[$key]]); } } if ($items = $this->get_channel_tags(self::NAMESPACE_RSS_20, 'item')) { $keys = array_keys($items); foreach ($keys as $key) { $this->data['items'][] = $this->registry->create(Item::class, [$this, $items[$key]]); } } } if (empty($this->data['items'])) { return []; } if ($this->order_by_date) { if (!isset($this->data['ordered_items'])) { $this->data['ordered_items'] = $this->data['items']; usort($this->data['ordered_items'], [get_class($this), 'sort_items']); } $items = $this->data['ordered_items']; } else { $items = $this->data['items']; } // Slice the data as desired if ($end === 0) { return array_slice($items, $start); } return array_slice($items, $start, $end); } /** * Set the favicon handler * * @deprecated Use your own favicon handling instead */ public function set_favicon_handler($page = false, $qs = 'i') { trigger_error('Favicon handling has been removed, please use your own handling', \E_USER_DEPRECATED); return false; } /** * Get the favicon for the current feed * * @deprecated Use your own favicon handling instead */ public function get_favicon() { trigger_error('Favicon handling has been removed, please use your own handling', \E_USER_DEPRECATED); if (($url = $this->get_link()) !== null) { return 'https://www.google.com/s2/favicons?domain=' . urlencode($url); } return false; } /** * Magic method handler * * @param string $method Method name * @param array $args Arguments to the method * @return mixed */ public function __call($method, $args) { if (strpos($method, 'subscribe_') === 0) { trigger_error('subscribe_*() has been deprecated, implement the callback yourself', \E_USER_DEPRECATED); return ''; } if ($method === 'enable_xml_dump') { trigger_error('enable_xml_dump() has been deprecated, use get_raw_data() instead', \E_USER_DEPRECATED); return false; } $class = get_class($this); $trace = debug_backtrace(); // phpcs:ignore PHPCompatibility.FunctionUse.ArgumentFunctionsReportCurrentValue.NeedsInspection $file = $trace[0]['file']; $line = $trace[0]['line']; throw new SimplePieException("Call to undefined method $class::$method() in $file on line $line"); } /** * Sorting callback for items * * @access private * @param SimplePie $a * @param SimplePie $b * @return boolean */ public static function sort_items($a, $b) { $a_date = $a->get_date('U'); $b_date = $b->get_date('U'); if ($a_date && $b_date) { return $a_date > $b_date ? -1 : 1; } // Sort items without dates to the top. if ($a_date) { return 1; } if ($b_date) { return -1; } return 0; } /** * Merge items from several feeds into one * * If you're merging multiple feeds together, they need to all have dates * for the items or else SimplePie will refuse to sort them. * * @link http://simplepie.org/wiki/tutorial/sort_multiple_feeds_by_time_and_date#if_feeds_require_separate_per-feed_settings * @param array $urls List of SimplePie feed objects to merge * @param int $start Starting item * @param int $end Number of items to return * @param int $limit Maximum number of items per feed * @return array */ public static function merge_items($urls, $start = 0, $end = 0, $limit = 0) { if (is_array($urls) && sizeof($urls) > 0) { $items = []; foreach ($urls as $arg) { if ($arg instanceof SimplePie) { $items = array_merge($items, $arg->get_items(0, $limit)); } else { trigger_error('Arguments must be SimplePie objects', E_USER_WARNING); } } usort($items, [get_class($urls[0]), 'sort_items']); if ($end === 0) { return array_slice($items, $start); } return array_slice($items, $start, $end); } trigger_error('Cannot merge zero SimplePie objects', E_USER_WARNING); return []; } /** * Store PubSubHubbub links as headers * * There is no way to find PuSH links in the body of a microformats feed, * so they are added to the headers when found, to be used later by get_links. * @param \SimplePie\File $file * @param string $hub * @param string $self */ private function store_links(&$file, $hub, $self) { if (isset($file->headers['link']['hub']) || (isset($file->headers['link']) && preg_match('/rel=hub/', $file->headers['link']))) { return; } if ($hub) { if (isset($file->headers['link'])) { if ($file->headers['link'] !== '') { $file->headers['link'] = ', '; } } else { $file->headers['link'] = ''; } $file->headers['link'] .= '<'.$hub.'>; rel=hub'; if ($self) { $file->headers['link'] .= ', <'.$self.'>; rel=self'; } } } /** * Get a DataCache * * @param string $feed_url Only needed for BC, can be removed in SimplePie 2.0.0 * * @return DataCache */ private function get_cache($feed_url = '') { if ($this->cache === null) { // @trigger_error(sprintf('Not providing as PSR-16 cache implementation is deprecated since SimplePie 1.8.0, please use "SimplePie\SimplePie::set_cache()".'), \E_USER_DEPRECATED); $cache = $this->registry->call(Cache::class, 'get_handler', [ $this->cache_location, $this->get_cache_filename($feed_url), Base::TYPE_FEED ]); return new BaseDataCache($cache); } return $this->cache; } } class_alias('SimplePie\SimplePie', 'SimplePie'); Parser.php 0000604 00000103543 14717745057 0006534 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; use SimplePie\XML\Declaration\Parser as DeclarationParser; /** * Parses XML into something sane * * * This class can be overloaded with {@see \SimplePie\SimplePie::set_parser_class()} * * @package SimplePie * @subpackage Parsing */ class Parser implements RegistryAware { public $error_code; public $error_string; public $current_line; public $current_column; public $current_byte; public $separator = ' '; public $namespace = ['']; public $element = ['']; public $xml_base = ['']; public $xml_base_explicit = [false]; public $xml_lang = ['']; public $data = []; public $datas = [[]]; public $current_xhtml_construct = -1; public $encoding; protected $registry; public function set_registry(\SimplePie\Registry $registry)/* : void */ { $this->registry = $registry; } public function parse(&$data, $encoding, $url = '') { if (class_exists('DOMXpath') && function_exists('Mf2\parse')) { $doc = new \DOMDocument(); @$doc->loadHTML($data); $xpath = new \DOMXpath($doc); // Check for both h-feed and h-entry, as both a feed with no entries // and a list of entries without an h-feed wrapper are both valid. $query = '//*[contains(concat(" ", @class, " "), " h-feed ") or '. 'contains(concat(" ", @class, " "), " h-entry ")]'; $result = $xpath->query($query); if ($result->length !== 0) { return $this->parse_microformats($data, $url); } } // Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character if (strtoupper($encoding) === 'US-ASCII') { $this->encoding = 'UTF-8'; } else { $this->encoding = $encoding; } // Strip BOM: // UTF-32 Big Endian BOM if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") { $data = substr($data, 4); } // UTF-32 Little Endian BOM elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") { $data = substr($data, 4); } // UTF-16 Big Endian BOM elseif (substr($data, 0, 2) === "\xFE\xFF") { $data = substr($data, 2); } // UTF-16 Little Endian BOM elseif (substr($data, 0, 2) === "\xFF\xFE") { $data = substr($data, 2); } // UTF-8 BOM elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") { $data = substr($data, 3); } if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false) { $declaration = $this->registry->create(DeclarationParser::class, [substr($data, 5, $pos - 5)]); if ($declaration->parse()) { $data = substr($data, $pos + 2); $data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' ."\n". $this->declare_html_entities() . $data; } else { $this->error_string = 'SimplePie bug! Please report this!'; return false; } } $return = true; static $xml_is_sane = null; if ($xml_is_sane === null) { $parser_check = xml_parser_create(); xml_parse_into_struct($parser_check, '<foo>&</foo>', $values); xml_parser_free($parser_check); $xml_is_sane = isset($values[0]['value']); } // Create the parser if ($xml_is_sane) { $xml = xml_parser_create_ns($this->encoding, $this->separator); xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1); xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0); xml_set_character_data_handler($xml, [$this, 'cdata']); xml_set_element_handler($xml, [$this, 'tag_open'], [$this, 'tag_close']); // Parse! $wrapper = @is_writable(sys_get_temp_dir()) ? 'php://temp' : 'php://memory'; if (($stream = fopen($wrapper, 'r+')) && fwrite($stream, $data) && rewind($stream)) { //Parse by chunks not to use too much memory do { $stream_data = fread($stream, 1048576); if (!xml_parse($xml, $stream_data === false ? '' : $stream_data, feof($stream))) { $this->error_code = xml_get_error_code($xml); $this->error_string = xml_error_string($this->error_code); $return = false; break; } } while (!feof($stream)); fclose($stream); } else { $return = false; } $this->current_line = xml_get_current_line_number($xml); $this->current_column = xml_get_current_column_number($xml); $this->current_byte = xml_get_current_byte_index($xml); xml_parser_free($xml); return $return; } libxml_clear_errors(); $xml = new \XMLReader(); $xml->xml($data); while (@$xml->read()) { switch ($xml->nodeType) { case constant('XMLReader::END_ELEMENT'): if ($xml->namespaceURI !== '') { $tagName = $xml->namespaceURI . $this->separator . $xml->localName; } else { $tagName = $xml->localName; } $this->tag_close(null, $tagName); break; case constant('XMLReader::ELEMENT'): $empty = $xml->isEmptyElement; if ($xml->namespaceURI !== '') { $tagName = $xml->namespaceURI . $this->separator . $xml->localName; } else { $tagName = $xml->localName; } $attributes = []; while ($xml->moveToNextAttribute()) { if ($xml->namespaceURI !== '') { $attrName = $xml->namespaceURI . $this->separator . $xml->localName; } else { $attrName = $xml->localName; } $attributes[$attrName] = $xml->value; } $this->tag_open(null, $tagName, $attributes); if ($empty) { $this->tag_close(null, $tagName); } break; case constant('XMLReader::TEXT'): case constant('XMLReader::CDATA'): $this->cdata(null, $xml->value); break; } } if ($error = libxml_get_last_error()) { $this->error_code = $error->code; $this->error_string = $error->message; $this->current_line = $error->line; $this->current_column = $error->column; return false; } return true; } public function get_error_code() { return $this->error_code; } public function get_error_string() { return $this->error_string; } public function get_current_line() { return $this->current_line; } public function get_current_column() { return $this->current_column; } public function get_current_byte() { return $this->current_byte; } public function get_data() { return $this->data; } public function tag_open($parser, $tag, $attributes) { [$this->namespace[], $this->element[]] = $this->split_ns($tag); $attribs = []; foreach ($attributes as $name => $value) { [$attrib_namespace, $attribute] = $this->split_ns($name); $attribs[$attrib_namespace][$attribute] = $value; } if (isset($attribs[\SimplePie\SimplePie::NAMESPACE_XML]['base'])) { $base = $this->registry->call(Misc::class, 'absolutize_url', [$attribs[\SimplePie\SimplePie::NAMESPACE_XML]['base'], end($this->xml_base)]); if ($base !== false) { $this->xml_base[] = $base; $this->xml_base_explicit[] = true; } } else { $this->xml_base[] = end($this->xml_base); $this->xml_base_explicit[] = end($this->xml_base_explicit); } if (isset($attribs[\SimplePie\SimplePie::NAMESPACE_XML]['lang'])) { $this->xml_lang[] = $attribs[\SimplePie\SimplePie::NAMESPACE_XML]['lang']; } else { $this->xml_lang[] = end($this->xml_lang); } if ($this->current_xhtml_construct >= 0) { $this->current_xhtml_construct++; if (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_XHTML) { $this->data['data'] .= '<' . end($this->element); if (isset($attribs[''])) { foreach ($attribs[''] as $name => $value) { $this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"'; } } $this->data['data'] .= '>'; } } else { $this->datas[] = &$this->data; $this->data = &$this->data['child'][end($this->namespace)][end($this->element)][]; $this->data = ['data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang)]; if ((end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_ATOM_03 && in_array(end($this->element), ['title', 'tagline', 'copyright', 'info', 'summary', 'content']) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml') || (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_ATOM_10 && in_array(end($this->element), ['rights', 'subtitle', 'summary', 'info', 'title', 'content']) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml') || (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_RSS_20 && in_array(end($this->element), ['title'])) || (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_RSS_090 && in_array(end($this->element), ['title'])) || (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_RSS_10 && in_array(end($this->element), ['title']))) { $this->current_xhtml_construct = 0; } } } public function cdata($parser, $cdata) { if ($this->current_xhtml_construct >= 0) { $this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding); } else { $this->data['data'] .= $cdata; } } public function tag_close($parser, $tag) { if ($this->current_xhtml_construct >= 0) { $this->current_xhtml_construct--; if (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_XHTML && !in_array(end($this->element), ['area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param'])) { $this->data['data'] .= '</' . end($this->element) . '>'; } } if ($this->current_xhtml_construct === -1) { $this->data = &$this->datas[count($this->datas) - 1]; array_pop($this->datas); } array_pop($this->element); array_pop($this->namespace); array_pop($this->xml_base); array_pop($this->xml_base_explicit); array_pop($this->xml_lang); } public function split_ns($string) { static $cache = []; if (!isset($cache[$string])) { if ($pos = strpos($string, $this->separator)) { static $separator_length; if (!$separator_length) { $separator_length = strlen($this->separator); } $namespace = substr($string, 0, $pos); $local_name = substr($string, $pos + $separator_length); if (strtolower($namespace) === \SimplePie\SimplePie::NAMESPACE_ITUNES) { $namespace = \SimplePie\SimplePie::NAMESPACE_ITUNES; } // Normalize the Media RSS namespaces if ($namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG || $namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG2 || $namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG3 || $namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG4 || $namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG5) { $namespace = \SimplePie\SimplePie::NAMESPACE_MEDIARSS; } $cache[$string] = [$namespace, $local_name]; } else { $cache[$string] = ['', $string]; } } return $cache[$string]; } private function parse_hcard($data, $category = false) { $name = ''; $link = ''; // Check if h-card is set and pass that information on in the link. if (isset($data['type']) && in_array('h-card', $data['type'])) { if (isset($data['properties']['name'][0])) { $name = $data['properties']['name'][0]; } if (isset($data['properties']['url'][0])) { $link = $data['properties']['url'][0]; if ($name === '') { $name = $link; } else { // can't have commas in categories. $name = str_replace(',', '', $name); } $person_tag = $category ? '<span class="person-tag"></span>' : ''; return '<a class="h-card" href="'.$link.'">'.$person_tag.$name.'</a>'; } } return $data['value'] ?? ''; } private function parse_microformats(&$data, $url) { $feed_title = ''; $feed_author = null; $author_cache = []; $items = []; $entries = []; $mf = \Mf2\parse($data, $url); // First look for an h-feed. $h_feed = []; foreach ($mf['items'] as $mf_item) { if (in_array('h-feed', $mf_item['type'])) { $h_feed = $mf_item; break; } // Also look for h-feed or h-entry in the children of each top level item. if (!isset($mf_item['children'][0]['type'])) { continue; } if (in_array('h-feed', $mf_item['children'][0]['type'])) { $h_feed = $mf_item['children'][0]; // In this case the parent of the h-feed may be an h-card, so use it as // the feed_author. if (in_array('h-card', $mf_item['type'])) { $feed_author = $mf_item; } break; } elseif (in_array('h-entry', $mf_item['children'][0]['type'])) { $entries = $mf_item['children']; // In this case the parent of the h-entry list may be an h-card, so use // it as the feed_author. if (in_array('h-card', $mf_item['type'])) { $feed_author = $mf_item; } break; } } if (isset($h_feed['children'])) { $entries = $h_feed['children']; // Also set the feed title and store author from the h-feed if available. if (isset($mf['items'][0]['properties']['name'][0])) { $feed_title = $mf['items'][0]['properties']['name'][0]; } if (isset($mf['items'][0]['properties']['author'][0])) { $feed_author = $mf['items'][0]['properties']['author'][0]; } } elseif (count($entries) === 0) { $entries = $mf['items']; } for ($i = 0; $i < count($entries); $i++) { $entry = $entries[$i]; if (in_array('h-entry', $entry['type'])) { $item = []; $title = ''; $description = ''; if (isset($entry['properties']['url'][0])) { $link = $entry['properties']['url'][0]; if (isset($link['value'])) { $link = $link['value']; } $item['link'] = [['data' => $link]]; } if (isset($entry['properties']['uid'][0])) { $guid = $entry['properties']['uid'][0]; if (isset($guid['value'])) { $guid = $guid['value']; } $item['guid'] = [['data' => $guid]]; } if (isset($entry['properties']['name'][0])) { $title = $entry['properties']['name'][0]; if (isset($title['value'])) { $title = $title['value']; } $item['title'] = [['data' => $title]]; } if (isset($entry['properties']['author'][0]) || isset($feed_author)) { // author is a special case, it can be plain text or an h-card array. // If it's plain text it can also be a url that should be followed to // get the actual h-card. $author = $entry['properties']['author'][0] ?? $feed_author; if (!is_string($author)) { $author = $this->parse_hcard($author); } elseif (strpos($author, 'http') === 0) { if (isset($author_cache[$author])) { $author = $author_cache[$author]; } else { $mf = \Mf2\fetch($author); foreach ($mf['items'] as $hcard) { // Only interested in an h-card by itself in this case. if (!in_array('h-card', $hcard['type'])) { continue; } // It must have a url property matching what we fetched. if (!isset($hcard['properties']['url']) || !(in_array($author, $hcard['properties']['url']))) { continue; } // Save parse_hcard the trouble of finding the correct url. $hcard['properties']['url'][0] = $author; // Cache this h-card for the next h-entry to check. $author_cache[$author] = $this->parse_hcard($hcard); $author = $author_cache[$author]; break; } } } $item['author'] = [['data' => $author]]; } if (isset($entry['properties']['photo'][0])) { // If a photo is also in content, don't need to add it again here. $content = ''; if (isset($entry['properties']['content'][0]['html'])) { $content = $entry['properties']['content'][0]['html']; } $photo_list = []; for ($j = 0; $j < count($entry['properties']['photo']); $j++) { $photo = $entry['properties']['photo'][$j]; if (!empty($photo) && strpos($content, $photo) === false) { $photo_list[] = $photo; } } // When there's more than one photo show the first and use a lightbox. // Need a permanent, unique name for the image set, but don't have // anything unique except for the content itself, so use that. $count = count($photo_list); if ($count > 1) { $image_set_id = preg_replace('/[[:^alnum:]]/', '', $photo_list[0]); $description = '<p>'; for ($j = 0; $j < $count; $j++) { $hidden = $j === 0 ? '' : 'class="hidden" '; $description .= '<a href="'.$photo_list[$j].'" '.$hidden. 'data-lightbox="image-set-'.$image_set_id.'">'. '<img src="'.$photo_list[$j].'"></a>'; } $description .= '<br><b>'.$count.' photos</b></p>'; } elseif ($count == 1) { $description = '<p><img src="'.$photo_list[0].'"></p>'; } } if (isset($entry['properties']['content'][0]['html'])) { // e-content['value'] is the same as p-name when they are on the same // element. Use this to replace title with a strip_tags version so // that alt text from images is not included in the title. if ($entry['properties']['content'][0]['value'] === $title) { $title = strip_tags($entry['properties']['content'][0]['html']); $item['title'] = [['data' => $title]]; } $description .= $entry['properties']['content'][0]['html']; if (isset($entry['properties']['in-reply-to'][0])) { $in_reply_to = ''; if (is_string($entry['properties']['in-reply-to'][0])) { $in_reply_to = $entry['properties']['in-reply-to'][0]; } elseif (isset($entry['properties']['in-reply-to'][0]['value'])) { $in_reply_to = $entry['properties']['in-reply-to'][0]['value']; } if ($in_reply_to !== '') { $description .= '<p><span class="in-reply-to"></span> '. '<a href="'.$in_reply_to.'">'.$in_reply_to.'</a><p>'; } } $item['description'] = [['data' => $description]]; } if (isset($entry['properties']['category'])) { $category_csv = ''; // Categories can also contain h-cards. foreach ($entry['properties']['category'] as $category) { if ($category_csv !== '') { $category_csv .= ', '; } if (is_string($category)) { // Can't have commas in categories. $category_csv .= str_replace(',', '', $category); } else { $category_csv .= $this->parse_hcard($category, true); } } $item['category'] = [['data' => $category_csv]]; } if (isset($entry['properties']['published'][0])) { $timestamp = strtotime($entry['properties']['published'][0]); $pub_date = date('F j Y g:ia', $timestamp).' GMT'; $item['pubDate'] = [['data' => $pub_date]]; } // The title and description are set to the empty string to represent // a deleted item (which also makes it an invalid rss item). if (isset($entry['properties']['deleted'][0])) { $item['title'] = [['data' => '']]; $item['description'] = [['data' => '']]; } $items[] = ['child' => ['' => $item]]; } } // Mimic RSS data format when storing microformats. $link = [['data' => $url]]; $image = ''; if (!is_string($feed_author) && isset($feed_author['properties']['photo'][0])) { $image = [['child' => ['' => ['url' => [['data' => $feed_author['properties']['photo'][0]]]]]]]; } // Use the name given for the h-feed, or get the title from the html. if ($feed_title !== '') { $feed_title = [['data' => htmlspecialchars($feed_title)]]; } elseif ($position = strpos($data, '<title>')) { $start = $position < 200 ? 0 : $position - 200; $check = substr($data, $start, 400); $matches = []; if (preg_match('/<title>(.+)<\/title>/', $check, $matches)) { $feed_title = [['data' => htmlspecialchars($matches[1])]]; } } $channel = ['channel' => [['child' => ['' => ['link' => $link, 'image' => $image, 'title' => $feed_title, 'item' => $items]]]]]; $rss = [['attribs' => ['' => ['version' => '2.0']], 'child' => ['' => $channel]]]; $this->data = ['child' => ['' => ['rss' => $rss]]]; return true; } private function declare_html_entities() { // This is required because the RSS specification says that entity-encoded // html is allowed, but the xml specification says they must be declared. return '<!DOCTYPE html [ <!ENTITY nbsp " "> <!ENTITY iexcl "¡"> <!ENTITY cent "¢"> <!ENTITY pound "£"> <!ENTITY curren "¤"> <!ENTITY yen "¥"> <!ENTITY brvbar "¦"> <!ENTITY sect "§"> <!ENTITY uml "¨"> <!ENTITY copy "©"> <!ENTITY ordf "ª"> <!ENTITY laquo "«"> <!ENTITY not "¬"> <!ENTITY shy "­"> <!ENTITY reg "®"> <!ENTITY macr "¯"> <!ENTITY deg "°"> <!ENTITY plusmn "±"> <!ENTITY sup2 "²"> <!ENTITY sup3 "³"> <!ENTITY acute "´"> <!ENTITY micro "µ"> <!ENTITY para "¶"> <!ENTITY middot "·"> <!ENTITY cedil "¸"> <!ENTITY sup1 "¹"> <!ENTITY ordm "º"> <!ENTITY raquo "»"> <!ENTITY frac14 "¼"> <!ENTITY frac12 "½"> <!ENTITY frac34 "¾"> <!ENTITY iquest "¿"> <!ENTITY Agrave "À"> <!ENTITY Aacute "Á"> <!ENTITY Acirc "Â"> <!ENTITY Atilde "Ã"> <!ENTITY Auml "Ä"> <!ENTITY Aring "Å"> <!ENTITY AElig "Æ"> <!ENTITY Ccedil "Ç"> <!ENTITY Egrave "È"> <!ENTITY Eacute "É"> <!ENTITY Ecirc "Ê"> <!ENTITY Euml "Ë"> <!ENTITY Igrave "Ì"> <!ENTITY Iacute "Í"> <!ENTITY Icirc "Î"> <!ENTITY Iuml "Ï"> <!ENTITY ETH "Ð"> <!ENTITY Ntilde "Ñ"> <!ENTITY Ograve "Ò"> <!ENTITY Oacute "Ó"> <!ENTITY Ocirc "Ô"> <!ENTITY Otilde "Õ"> <!ENTITY Ouml "Ö"> <!ENTITY times "×"> <!ENTITY Oslash "Ø"> <!ENTITY Ugrave "Ù"> <!ENTITY Uacute "Ú"> <!ENTITY Ucirc "Û"> <!ENTITY Uuml "Ü"> <!ENTITY Yacute "Ý"> <!ENTITY THORN "Þ"> <!ENTITY szlig "ß"> <!ENTITY agrave "à"> <!ENTITY aacute "á"> <!ENTITY acirc "â"> <!ENTITY atilde "ã"> <!ENTITY auml "ä"> <!ENTITY aring "å"> <!ENTITY aelig "æ"> <!ENTITY ccedil "ç"> <!ENTITY egrave "è"> <!ENTITY eacute "é"> <!ENTITY ecirc "ê"> <!ENTITY euml "ë"> <!ENTITY igrave "ì"> <!ENTITY iacute "í"> <!ENTITY icirc "î"> <!ENTITY iuml "ï"> <!ENTITY eth "ð"> <!ENTITY ntilde "ñ"> <!ENTITY ograve "ò"> <!ENTITY oacute "ó"> <!ENTITY ocirc "ô"> <!ENTITY otilde "õ"> <!ENTITY ouml "ö"> <!ENTITY divide "÷"> <!ENTITY oslash "ø"> <!ENTITY ugrave "ù"> <!ENTITY uacute "ú"> <!ENTITY ucirc "û"> <!ENTITY uuml "ü"> <!ENTITY yacute "ý"> <!ENTITY thorn "þ"> <!ENTITY yuml "ÿ"> <!ENTITY OElig "Œ"> <!ENTITY oelig "œ"> <!ENTITY Scaron "Š"> <!ENTITY scaron "š"> <!ENTITY Yuml "Ÿ"> <!ENTITY fnof "ƒ"> <!ENTITY circ "ˆ"> <!ENTITY tilde "˜"> <!ENTITY Alpha "Α"> <!ENTITY Beta "Β"> <!ENTITY Gamma "Γ"> <!ENTITY Epsilon "Ε"> <!ENTITY Zeta "Ζ"> <!ENTITY Eta "Η"> <!ENTITY Theta "Θ"> <!ENTITY Iota "Ι"> <!ENTITY Kappa "Κ"> <!ENTITY Lambda "Λ"> <!ENTITY Mu "Μ"> <!ENTITY Nu "Ν"> <!ENTITY Xi "Ξ"> <!ENTITY Omicron "Ο"> <!ENTITY Pi "Π"> <!ENTITY Rho "Ρ"> <!ENTITY Sigma "Σ"> <!ENTITY Tau "Τ"> <!ENTITY Upsilon "Υ"> <!ENTITY Phi "Φ"> <!ENTITY Chi "Χ"> <!ENTITY Psi "Ψ"> <!ENTITY Omega "Ω"> <!ENTITY alpha "α"> <!ENTITY beta "β"> <!ENTITY gamma "γ"> <!ENTITY delta "δ"> <!ENTITY epsilon "ε"> <!ENTITY zeta "ζ"> <!ENTITY eta "η"> <!ENTITY theta "θ"> <!ENTITY iota "ι"> <!ENTITY kappa "κ"> <!ENTITY lambda "λ"> <!ENTITY mu "μ"> <!ENTITY nu "ν"> <!ENTITY xi "ξ"> <!ENTITY omicron "ο"> <!ENTITY pi "π"> <!ENTITY rho "ρ"> <!ENTITY sigmaf "ς"> <!ENTITY sigma "σ"> <!ENTITY tau "τ"> <!ENTITY upsilon "υ"> <!ENTITY phi "φ"> <!ENTITY chi "χ"> <!ENTITY psi "ψ"> <!ENTITY omega "ω"> <!ENTITY thetasym "ϑ"> <!ENTITY upsih "ϒ"> <!ENTITY piv "ϖ"> <!ENTITY ensp " "> <!ENTITY emsp " "> <!ENTITY thinsp " "> <!ENTITY zwnj "‌"> <!ENTITY zwj "‍"> <!ENTITY lrm "‎"> <!ENTITY rlm "‏"> <!ENTITY ndash "–"> <!ENTITY mdash "—"> <!ENTITY lsquo "‘"> <!ENTITY rsquo "’"> <!ENTITY sbquo "‚"> <!ENTITY ldquo "“"> <!ENTITY rdquo "”"> <!ENTITY bdquo "„"> <!ENTITY dagger "†"> <!ENTITY Dagger "‡"> <!ENTITY bull "•"> <!ENTITY hellip "…"> <!ENTITY permil "‰"> <!ENTITY prime "′"> <!ENTITY Prime "″"> <!ENTITY lsaquo "‹"> <!ENTITY rsaquo "›"> <!ENTITY oline "‾"> <!ENTITY frasl "⁄"> <!ENTITY euro "€"> <!ENTITY image "ℑ"> <!ENTITY weierp "℘"> <!ENTITY real "ℜ"> <!ENTITY trade "™"> <!ENTITY alefsym "ℵ"> <!ENTITY larr "←"> <!ENTITY uarr "↑"> <!ENTITY rarr "→"> <!ENTITY darr "↓"> <!ENTITY harr "↔"> <!ENTITY crarr "↵"> <!ENTITY lArr "⇐"> <!ENTITY uArr "⇑"> <!ENTITY rArr "⇒"> <!ENTITY dArr "⇓"> <!ENTITY hArr "⇔"> <!ENTITY forall "∀"> <!ENTITY part "∂"> <!ENTITY exist "∃"> <!ENTITY empty "∅"> <!ENTITY nabla "∇"> <!ENTITY isin "∈"> <!ENTITY notin "∉"> <!ENTITY ni "∋"> <!ENTITY prod "∏"> <!ENTITY sum "∑"> <!ENTITY minus "−"> <!ENTITY lowast "∗"> <!ENTITY radic "√"> <!ENTITY prop "∝"> <!ENTITY infin "∞"> <!ENTITY ang "∠"> <!ENTITY and "∧"> <!ENTITY or "∨"> <!ENTITY cap "∩"> <!ENTITY cup "∪"> <!ENTITY int "∫"> <!ENTITY there4 "∴"> <!ENTITY sim "∼"> <!ENTITY cong "≅"> <!ENTITY asymp "≈"> <!ENTITY ne "≠"> <!ENTITY equiv "≡"> <!ENTITY le "≤"> <!ENTITY ge "≥"> <!ENTITY sub "⊂"> <!ENTITY sup "⊃"> <!ENTITY nsub "⊄"> <!ENTITY sube "⊆"> <!ENTITY supe "⊇"> <!ENTITY oplus "⊕"> <!ENTITY otimes "⊗"> <!ENTITY perp "⊥"> <!ENTITY sdot "⋅"> <!ENTITY lceil "⌈"> <!ENTITY rceil "⌉"> <!ENTITY lfloor "⌊"> <!ENTITY rfloor "⌋"> <!ENTITY lang "〈"> <!ENTITY rang "〉"> <!ENTITY loz "◊"> <!ENTITY spades "♠"> <!ENTITY clubs "♣"> <!ENTITY hearts "♥"> <!ENTITY diams "♦"> ]>'; } } class_alias('SimplePie\Parser', 'SimplePie_Parser'); Sanitize.php 0000604 00000061065 14717745057 0007070 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; use InvalidArgumentException; use SimplePie\Cache\Base; use SimplePie\Cache\BaseDataCache; use SimplePie\Cache\CallableNameFilter; use SimplePie\Cache\DataCache; use SimplePie\Cache\NameFilter; /** * Used for data cleanup and post-processing * * * This class can be overloaded with {@see \SimplePie\SimplePie::set_sanitize_class()} * * @package SimplePie * @todo Move to using an actual HTML parser (this will allow tags to be properly stripped, and to switch between HTML and XHTML), this will also make it easier to shorten a string while preserving HTML tags */ class Sanitize implements RegistryAware { // Private vars public $base; // Options public $remove_div = true; public $image_handler = ''; public $strip_htmltags = ['base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style']; public $encode_instead_of_strip = false; public $strip_attributes = ['bgsound', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc']; public $rename_attributes = []; public $add_attributes = ['audio' => ['preload' => 'none'], 'iframe' => ['sandbox' => 'allow-scripts allow-same-origin'], 'video' => ['preload' => 'none']]; public $strip_comments = false; public $output_encoding = 'UTF-8'; public $enable_cache = true; public $cache_location = './cache'; public $cache_name_function = 'md5'; /** * @var NameFilter */ private $cache_namefilter; public $timeout = 10; public $useragent = ''; public $force_fsockopen = false; public $replace_url_attributes = null; public $registry; /** * @var DataCache|null */ private $cache = null; /** * @var int Cache duration (in seconds) */ private $cache_duration = 3600; /** * List of domains for which to force HTTPS. * @see \SimplePie\Sanitize::set_https_domains() * Array is a tree split at DNS levels. Example: * array('biz' => true, 'com' => array('example' => true), 'net' => array('example' => array('www' => true))) */ public $https_domains = []; public function __construct() { // Set defaults $this->set_url_replacements(null); } public function remove_div($enable = true) { $this->remove_div = (bool) $enable; } public function set_image_handler($page = false) { if ($page) { $this->image_handler = (string) $page; } else { $this->image_handler = false; } } public function set_registry(\SimplePie\Registry $registry)/* : void */ { $this->registry = $registry; } public function pass_cache_data($enable_cache = true, $cache_location = './cache', $cache_name_function = 'md5', $cache_class = 'SimplePie\Cache', ?DataCache $cache = null) { if (isset($enable_cache)) { $this->enable_cache = (bool) $enable_cache; } if ($cache_location) { $this->cache_location = (string) $cache_location; } if (!is_string($cache_name_function) && !is_object($cache_name_function) && !$cache_name_function instanceof NameFilter) { throw new InvalidArgumentException(sprintf( '%s(): Argument #3 ($cache_name_function) must be of type %s', __METHOD__, NameFilter::class ), 1); } // BC: $cache_name_function could be a callable as string if (is_string($cache_name_function)) { // trigger_error(sprintf('Providing $cache_name_function as string in "%s()" is deprecated since SimplePie 1.8.0, provide as "%s" instead.', __METHOD__, NameFilter::class), \E_USER_DEPRECATED); $this->cache_name_function = (string) $cache_name_function; $cache_name_function = new CallableNameFilter($cache_name_function); } $this->cache_namefilter = $cache_name_function; if ($cache !== null) { $this->cache = $cache; } } public function pass_file_data($file_class = 'SimplePie\File', $timeout = 10, $useragent = '', $force_fsockopen = false) { if ($timeout) { $this->timeout = (string) $timeout; } if ($useragent) { $this->useragent = (string) $useragent; } if ($force_fsockopen) { $this->force_fsockopen = (string) $force_fsockopen; } } public function strip_htmltags($tags = ['base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style']) { if ($tags) { if (is_array($tags)) { $this->strip_htmltags = $tags; } else { $this->strip_htmltags = explode(',', $tags); } } else { $this->strip_htmltags = false; } } public function encode_instead_of_strip($encode = false) { $this->encode_instead_of_strip = (bool) $encode; } public function rename_attributes($attribs = []) { if ($attribs) { if (is_array($attribs)) { $this->rename_attributes = $attribs; } else { $this->rename_attributes = explode(',', $attribs); } } else { $this->rename_attributes = false; } } public function strip_attributes($attribs = ['bgsound', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc']) { if ($attribs) { if (is_array($attribs)) { $this->strip_attributes = $attribs; } else { $this->strip_attributes = explode(',', $attribs); } } else { $this->strip_attributes = false; } } public function add_attributes($attribs = ['audio' => ['preload' => 'none'], 'iframe' => ['sandbox' => 'allow-scripts allow-same-origin'], 'video' => ['preload' => 'none']]) { if ($attribs) { if (is_array($attribs)) { $this->add_attributes = $attribs; } else { $this->add_attributes = explode(',', $attribs); } } else { $this->add_attributes = false; } } public function strip_comments($strip = false) { $this->strip_comments = (bool) $strip; } public function set_output_encoding($encoding = 'UTF-8') { $this->output_encoding = (string) $encoding; } /** * Set element/attribute key/value pairs of HTML attributes * containing URLs that need to be resolved relative to the feed * * Defaults to |a|@href, |area|@href, |audio|@src, |blockquote|@cite, * |del|@cite, |form|@action, |img|@longdesc, |img|@src, |input|@src, * |ins|@cite, |q|@cite, |source|@src, |video|@src * * @since 1.0 * @param array|null $element_attribute Element/attribute key/value pairs, null for default */ public function set_url_replacements($element_attribute = null) { if ($element_attribute === null) { $element_attribute = [ 'a' => 'href', 'area' => 'href', 'audio' => 'src', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => [ 'longdesc', 'src' ], 'input' => 'src', 'ins' => 'cite', 'q' => 'cite', 'source' => 'src', 'video' => [ 'poster', 'src' ] ]; } $this->replace_url_attributes = (array) $element_attribute; } /** * Set the list of domains for which to force HTTPS. * @see \SimplePie\Misc::https_url() * Example array('biz', 'example.com', 'example.org', 'www.example.net'); */ public function set_https_domains($domains) { $this->https_domains = []; foreach ($domains as $domain) { $domain = trim($domain, ". \t\n\r\0\x0B"); $segments = array_reverse(explode('.', $domain)); $node = &$this->https_domains; foreach ($segments as $segment) {//Build a tree if ($node === true) { break; } if (!isset($node[$segment])) { $node[$segment] = []; } $node = &$node[$segment]; } $node = true; } } /** * Check if the domain is in the list of forced HTTPS. */ protected function is_https_domain($domain) { $domain = trim($domain, '. '); $segments = array_reverse(explode('.', $domain)); $node = &$this->https_domains; foreach ($segments as $segment) {//Explore the tree if (isset($node[$segment])) { $node = &$node[$segment]; } else { break; } } return $node === true; } /** * Force HTTPS for selected Web sites. */ public function https_url($url) { return (strtolower(substr($url, 0, 7)) === 'http://') && $this->is_https_domain(parse_url($url, PHP_URL_HOST)) ? substr_replace($url, 's', 4, 0) : //Add the 's' to HTTPS $url; } public function sanitize($data, $type, $base = '') { $data = trim($data); if ($data !== '' || $type & \SimplePie\SimplePie::CONSTRUCT_IRI) { if ($type & \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML) { if (preg_match('/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . \SimplePie\SimplePie::PCRE_HTML_ATTRIBUTE . '>)/', $data)) { $type |= \SimplePie\SimplePie::CONSTRUCT_HTML; } else { $type |= \SimplePie\SimplePie::CONSTRUCT_TEXT; } } if ($type & \SimplePie\SimplePie::CONSTRUCT_BASE64) { $data = base64_decode($data); } if ($type & (\SimplePie\SimplePie::CONSTRUCT_HTML | \SimplePie\SimplePie::CONSTRUCT_XHTML)) { if (!class_exists('DOMDocument')) { throw new \SimplePie\Exception('DOMDocument not found, unable to use sanitizer'); } $document = new \DOMDocument(); $document->encoding = 'UTF-8'; $data = $this->preprocess($data, $type); set_error_handler(['SimplePie\Misc', 'silence_errors']); $document->loadHTML($data); restore_error_handler(); $xpath = new \DOMXPath($document); // Strip comments if ($this->strip_comments) { $comments = $xpath->query('//comment()'); foreach ($comments as $comment) { $comment->parentNode->removeChild($comment); } } // Strip out HTML tags and attributes that might cause various security problems. // Based on recommendations by Mark Pilgrim at: // http://diveintomark.org/archives/2003/06/12/how_to_consume_rss_safely if ($this->strip_htmltags) { foreach ($this->strip_htmltags as $tag) { $this->strip_tag($tag, $document, $xpath, $type); } } if ($this->rename_attributes) { foreach ($this->rename_attributes as $attrib) { $this->rename_attr($attrib, $xpath); } } if ($this->strip_attributes) { foreach ($this->strip_attributes as $attrib) { $this->strip_attr($attrib, $xpath); } } if ($this->add_attributes) { foreach ($this->add_attributes as $tag => $valuePairs) { $this->add_attr($tag, $valuePairs, $document); } } // Replace relative URLs $this->base = $base; foreach ($this->replace_url_attributes as $element => $attributes) { $this->replace_urls($document, $element, $attributes); } // If image handling (caching, etc.) is enabled, cache and rewrite all the image tags. if (isset($this->image_handler) && ((string) $this->image_handler) !== '' && $this->enable_cache) { $images = $document->getElementsByTagName('img'); foreach ($images as $img) { if ($img->hasAttribute('src')) { $image_url = $this->cache_namefilter->filter($img->getAttribute('src')); $cache = $this->get_cache($image_url); if ($cache->get_data($image_url, false)) { $img->setAttribute('src', $this->image_handler . $image_url); } else { $file = $this->registry->create(File::class, [$img->getAttribute('src'), $this->timeout, 5, ['X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']], $this->useragent, $this->force_fsockopen]); $headers = $file->headers; if ($file->success && ($file->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300))) { if ($cache->set_data($image_url, ['headers' => $file->headers, 'body' => $file->body], $this->cache_duration)) { $img->setAttribute('src', $this->image_handler . $image_url); } else { trigger_error("$this->cache_location is not writable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING); } } } } } } // Get content node $div = $document->getElementsByTagName('body')->item(0)->firstChild; // Finally, convert to a HTML string $data = trim($document->saveHTML($div)); if ($this->remove_div) { $data = preg_replace('/^<div' . \SimplePie\SimplePie::PCRE_XML_ATTRIBUTE . '>/', '', $data); $data = preg_replace('/<\/div>$/', '', $data); } else { $data = preg_replace('/^<div' . \SimplePie\SimplePie::PCRE_XML_ATTRIBUTE . '>/', '<div>', $data); } $data = str_replace('</source>', '', $data); } if ($type & \SimplePie\SimplePie::CONSTRUCT_IRI) { $absolute = $this->registry->call(Misc::class, 'absolutize_url', [$data, $base]); if ($absolute !== false) { $data = $absolute; } } if ($type & (\SimplePie\SimplePie::CONSTRUCT_TEXT | \SimplePie\SimplePie::CONSTRUCT_IRI)) { $data = htmlspecialchars($data, ENT_COMPAT, 'UTF-8'); } if ($this->output_encoding !== 'UTF-8') { $data = $this->registry->call(Misc::class, 'change_encoding', [$data, 'UTF-8', $this->output_encoding]); } } return $data; } protected function preprocess($html, $type) { $ret = ''; $html = preg_replace('%</?(?:html|body)[^>]*?'.'>%is', '', $html); if ($type & ~\SimplePie\SimplePie::CONSTRUCT_XHTML) { // Atom XHTML constructs are wrapped with a div by default // Note: No protection if $html contains a stray </div>! $html = '<div>' . $html . '</div>'; $ret .= '<!DOCTYPE html>'; $content_type = 'text/html'; } else { $ret .= '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'; $content_type = 'application/xhtml+xml'; } $ret .= '<html><head>'; $ret .= '<meta http-equiv="Content-Type" content="' . $content_type . '; charset=utf-8" />'; $ret .= '</head><body>' . $html . '</body></html>'; return $ret; } public function replace_urls($document, $tag, $attributes) { if (!is_array($attributes)) { $attributes = [$attributes]; } if (!is_array($this->strip_htmltags) || !in_array($tag, $this->strip_htmltags)) { $elements = $document->getElementsByTagName($tag); foreach ($elements as $element) { foreach ($attributes as $attribute) { if ($element->hasAttribute($attribute)) { $value = $this->registry->call(Misc::class, 'absolutize_url', [$element->getAttribute($attribute), $this->base]); if ($value !== false) { $value = $this->https_url($value); $element->setAttribute($attribute, $value); } } } } } } public function do_strip_htmltags($match) { if ($this->encode_instead_of_strip) { if (isset($match[4]) && !in_array(strtolower($match[1]), ['script', 'style'])) { $match[1] = htmlspecialchars($match[1], ENT_COMPAT, 'UTF-8'); $match[2] = htmlspecialchars($match[2], ENT_COMPAT, 'UTF-8'); return "<$match[1]$match[2]>$match[3]</$match[1]>"; } else { return htmlspecialchars($match[0], ENT_COMPAT, 'UTF-8'); } } elseif (isset($match[4]) && !in_array(strtolower($match[1]), ['script', 'style'])) { return $match[4]; } else { return ''; } } protected function strip_tag($tag, $document, $xpath, $type) { $elements = $xpath->query('body//' . $tag); if ($this->encode_instead_of_strip) { foreach ($elements as $element) { $fragment = $document->createDocumentFragment(); // For elements which aren't script or style, include the tag itself if (!in_array($tag, ['script', 'style'])) { $text = '<' . $tag; if ($element->hasAttributes()) { $attrs = []; foreach ($element->attributes as $name => $attr) { $value = $attr->value; // In XHTML, empty values should never exist, so we repeat the value if (empty($value) && ($type & \SimplePie\SimplePie::CONSTRUCT_XHTML)) { $value = $name; } // For HTML, empty is fine elseif (empty($value) && ($type & \SimplePie\SimplePie::CONSTRUCT_HTML)) { $attrs[] = $name; continue; } // Standard attribute text $attrs[] = $name . '="' . $attr->value . '"'; } $text .= ' ' . implode(' ', $attrs); } $text .= '>'; $fragment->appendChild(new \DOMText($text)); } $number = $element->childNodes->length; for ($i = $number; $i > 0; $i--) { $child = $element->childNodes->item(0); $fragment->appendChild($child); } if (!in_array($tag, ['script', 'style'])) { $fragment->appendChild(new \DOMText('</' . $tag . '>')); } $element->parentNode->replaceChild($fragment, $element); } return; } elseif (in_array($tag, ['script', 'style'])) { foreach ($elements as $element) { $element->parentNode->removeChild($element); } return; } else { foreach ($elements as $element) { $fragment = $document->createDocumentFragment(); $number = $element->childNodes->length; for ($i = $number; $i > 0; $i--) { $child = $element->childNodes->item(0); $fragment->appendChild($child); } $element->parentNode->replaceChild($fragment, $element); } } } protected function strip_attr($attrib, $xpath) { $elements = $xpath->query('//*[@' . $attrib . ']'); foreach ($elements as $element) { $element->removeAttribute($attrib); } } protected function rename_attr($attrib, $xpath) { $elements = $xpath->query('//*[@' . $attrib . ']'); foreach ($elements as $element) { $element->setAttribute('data-sanitized-' . $attrib, $element->getAttribute($attrib)); $element->removeAttribute($attrib); } } protected function add_attr($tag, $valuePairs, $document) { $elements = $document->getElementsByTagName($tag); foreach ($elements as $element) { foreach ($valuePairs as $attrib => $value) { $element->setAttribute($attrib, $value); } } } /** * Get a DataCache * * @param string $image_url Only needed for BC, can be removed in SimplePie 2.0.0 * * @return DataCache */ private function get_cache($image_url = '') { if ($this->cache === null) { // @trigger_error(sprintf('Not providing as PSR-16 cache implementation is deprecated since SimplePie 1.8.0, please use "SimplePie\SimplePie::set_cache()".'), \E_USER_DEPRECATED); $cache = $this->registry->call(Cache::class, 'get_handler', [ $this->cache_location, $image_url, Base::TYPE_IMAGE ]); return new BaseDataCache($cache); } return $this->cache; } } class_alias('SimplePie\Sanitize', 'SimplePie_Sanitize'); Core.php 0000604 00000004273 14717745057 0006170 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ /** * SimplePie class. * * Class for backward compatibility. * * @deprecated Use {@see SimplePie} directly * @package SimplePie * @subpackage API */ class SimplePie_Core extends SimplePie { } Category.php 0000604 00000010416 14717745057 0007051 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Manages all category-related data * * Used by {@see \SimplePie\Item::get_category()} and {@see \SimplePie\Item::get_categories()} * * This class can be overloaded with {@see \SimplePie\SimplePie::set_category_class()} * * @package SimplePie * @subpackage API */ class Category { /** * Category identifier * * @var string|null * @see get_term */ public $term; /** * Categorization scheme identifier * * @var string|null * @see get_scheme() */ public $scheme; /** * Human readable label * * @var string|null * @see get_label() */ public $label; /** * Category type * * category for <category> * subject for <dc:subject> * * @var string|null * @see get_type() */ public $type; /** * Constructor, used to input the data * * @param string|null $term * @param string|null $scheme * @param string|null $label * @param string|null $type */ public function __construct($term = null, $scheme = null, $label = null, $type = null) { $this->term = $term; $this->scheme = $scheme; $this->label = $label; $this->type = $type; } /** * String-ified version * * @return string */ public function __toString() { // There is no $this->data here return md5(serialize($this)); } /** * Get the category identifier * * @return string|null */ public function get_term() { return $this->term; } /** * Get the categorization scheme identifier * * @return string|null */ public function get_scheme() { return $this->scheme; } /** * Get the human readable label * * @param bool $strict * @return string|null */ public function get_label($strict = false) { if ($this->label === null && $strict !== true) { return $this->get_term(); } return $this->label; } /** * Get the category type * * @return string|null */ public function get_type() { return $this->type; } } class_alias('SimplePie\Category', 'SimplePie_Category'); Locator.php 0000604 00000036455 14717745057 0006712 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Used for feed auto-discovery * * * This class can be overloaded with {@see \SimplePie\SimplePie::set_locator_class()} * * @package SimplePie */ class Locator implements RegistryAware { public $useragent; public $timeout; public $file; public $local = []; public $elsewhere = []; public $cached_entities = []; public $http_base; public $base; public $base_location = 0; public $checked_feeds = 0; public $max_checked_feeds = 10; public $force_fsockopen = false; public $curl_options = []; public $dom; protected $registry; public function __construct(\SimplePie\File $file, $timeout = 10, $useragent = null, $max_checked_feeds = 10, $force_fsockopen = false, $curl_options = []) { $this->file = $file; $this->useragent = $useragent; $this->timeout = $timeout; $this->max_checked_feeds = $max_checked_feeds; $this->force_fsockopen = $force_fsockopen; $this->curl_options = $curl_options; if (class_exists('DOMDocument') && $this->file->body != '') { $this->dom = new \DOMDocument(); set_error_handler(['SimplePie\Misc', 'silence_errors']); try { $this->dom->loadHTML($this->file->body); } catch (\Throwable $ex) { $this->dom = null; } restore_error_handler(); } else { $this->dom = null; } } public function set_registry(\SimplePie\Registry $registry)/* : void */ { $this->registry = $registry; } public function find($type = \SimplePie\SimplePie::LOCATOR_ALL, &$working = null) { if ($this->is_feed($this->file)) { return $this->file; } if ($this->file->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE) { $sniffer = $this->registry->create(Content\Type\Sniffer::class, [$this->file]); if ($sniffer->get_type() !== 'text/html') { return null; } } if ($type & ~\SimplePie\SimplePie::LOCATOR_NONE) { $this->get_base(); } if ($type & \SimplePie\SimplePie::LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery()) { return $working[0]; } if ($type & (\SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION | \SimplePie\SimplePie::LOCATOR_LOCAL_BODY | \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION | \SimplePie\SimplePie::LOCATOR_REMOTE_BODY) && $this->get_links()) { if ($type & \SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local)) { return $working[0]; } if ($type & \SimplePie\SimplePie::LOCATOR_LOCAL_BODY && $working = $this->body($this->local)) { return $working[0]; } if ($type & \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere)) { return $working[0]; } if ($type & \SimplePie\SimplePie::LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere)) { return $working[0]; } } return null; } public function is_feed($file, $check_html = false) { if ($file->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE) { $sniffer = $this->registry->create(Content\Type\Sniffer::class, [$file]); $sniffed = $sniffer->get_type(); $mime_types = ['application/rss+xml', 'application/rdf+xml', 'text/rdf', 'application/atom+xml', 'text/xml', 'application/xml', 'application/x-rss+xml']; if ($check_html) { $mime_types[] = 'text/html'; } return in_array($sniffed, $mime_types); } elseif ($file->method & \SimplePie\SimplePie::FILE_SOURCE_LOCAL) { return true; } else { return false; } } public function get_base() { if ($this->dom === null) { throw new \SimplePie\Exception('DOMDocument not found, unable to use locator'); } $this->http_base = $this->file->url; $this->base = $this->http_base; $elements = $this->dom->getElementsByTagName('base'); foreach ($elements as $element) { if ($element->hasAttribute('href')) { $base = $this->registry->call(Misc::class, 'absolutize_url', [trim($element->getAttribute('href')), $this->http_base]); if ($base === false) { continue; } $this->base = $base; $this->base_location = method_exists($element, 'getLineNo') ? $element->getLineNo() : 0; break; } } } public function autodiscovery() { $done = []; $feeds = []; $feeds = array_merge($feeds, $this->search_elements_by_tag('link', $done, $feeds)); $feeds = array_merge($feeds, $this->search_elements_by_tag('a', $done, $feeds)); $feeds = array_merge($feeds, $this->search_elements_by_tag('area', $done, $feeds)); if (!empty($feeds)) { return array_values($feeds); } return null; } protected function search_elements_by_tag($name, &$done, $feeds) { if ($this->dom === null) { throw new \SimplePie\Exception('DOMDocument not found, unable to use locator'); } $links = $this->dom->getElementsByTagName($name); foreach ($links as $link) { if ($this->checked_feeds === $this->max_checked_feeds) { break; } if ($link->hasAttribute('href') && $link->hasAttribute('rel')) { $rel = array_unique($this->registry->call(Misc::class, 'space_separated_tokens', [strtolower($link->getAttribute('rel'))])); $line = method_exists($link, 'getLineNo') ? $link->getLineNo() : 1; if ($this->base_location < $line) { $href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->base]); } else { $href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->http_base]); } if ($href === false) { continue; } if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !in_array('stylesheet', $rel) && $link->hasAttribute('type') && in_array(strtolower($this->registry->call(Misc::class, 'parse_mime', [$link->getAttribute('type')])), ['text/html', 'application/rss+xml', 'application/atom+xml'])) && !isset($feeds[$href])) { $this->checked_feeds++; $headers = [ 'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1', ]; $feed = $this->registry->create(File::class, [$href, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options]); if ($feed->success && ($feed->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed, true)) { $feeds[$href] = $feed; } } $done[] = $href; } } return $feeds; } public function get_links() { if ($this->dom === null) { throw new \SimplePie\Exception('DOMDocument not found, unable to use locator'); } $links = $this->dom->getElementsByTagName('a'); foreach ($links as $link) { if ($link->hasAttribute('href')) { $href = trim($link->getAttribute('href')); $parsed = $this->registry->call(Misc::class, 'parse_url', [$href]); if ($parsed['scheme'] === '' || preg_match('/^(https?|feed)?$/i', $parsed['scheme'])) { if (method_exists($link, 'getLineNo') && $this->base_location < $link->getLineNo()) { $href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->base]); } else { $href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->http_base]); } if ($href === false) { continue; } $current = $this->registry->call(Misc::class, 'parse_url', [$this->file->url]); if ($parsed['authority'] === '' || $parsed['authority'] === $current['authority']) { $this->local[] = $href; } else { $this->elsewhere[] = $href; } } } } $this->local = array_unique($this->local); $this->elsewhere = array_unique($this->elsewhere); if (!empty($this->local) || !empty($this->elsewhere)) { return true; } return null; } public function get_rel_link($rel) { if ($this->dom === null) { throw new \SimplePie\Exception('DOMDocument not found, unable to use '. 'locator'); } if (!class_exists('DOMXpath')) { throw new \SimplePie\Exception('DOMXpath not found, unable to use '. 'get_rel_link'); } $xpath = new \DOMXpath($this->dom); $query = '//a[@rel and @href] | //link[@rel and @href]'; foreach ($xpath->query($query) as $link) { $href = trim($link->getAttribute('href')); $parsed = $this->registry->call(Misc::class, 'parse_url', [$href]); if ($parsed['scheme'] === '' || preg_match('/^https?$/i', $parsed['scheme'])) { if (method_exists($link, 'getLineNo') && $this->base_location < $link->getLineNo()) { $href = $this->registry->call( Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->base] ); } else { $href = $this->registry->call( Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->http_base] ); } if ($href === false) { return null; } $rel_values = explode(' ', strtolower($link->getAttribute('rel'))); if (in_array($rel, $rel_values)) { return $href; } } } return null; } public function extension(&$array) { foreach ($array as $key => $value) { if ($this->checked_feeds === $this->max_checked_feeds) { break; } if (in_array(strtolower(strrchr($value, '.')), ['.rss', '.rdf', '.atom', '.xml'])) { $this->checked_feeds++; $headers = [ 'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1', ]; $feed = $this->registry->create(File::class, [$value, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options]); if ($feed->success && ($feed->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed)) { return [$feed]; } else { unset($array[$key]); } } } return null; } public function body(&$array) { foreach ($array as $key => $value) { if ($this->checked_feeds === $this->max_checked_feeds) { break; } if (preg_match('/(feed|rss|rdf|atom|xml)/i', $value)) { $this->checked_feeds++; $headers = [ 'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1', ]; $feed = $this->registry->create(File::class, [$value, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen, $this->curl_options]); if ($feed->success && ($feed->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed)) { return [$feed]; } else { unset($array[$key]); } } } return null; } } class_alias('SimplePie\Locator', 'SimplePie_Locator', false); RegistryAware.php 0000604 00000004553 14717745057 0010071 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2022 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Handles the injection of Registry into other class * * {@see \SimplePie\SimplePie::get_registry()} * * @package SimplePie */ interface RegistryAware { /** * Set the Registry into the class * * @param Registry $registry * * @return void */ public function set_registry(Registry $registry)/* : void */; } Author.php 0000604 00000007441 14717745057 0006542 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Manages all author-related data * * Used by {@see Item::get_author()} and {@see SimplePie::get_authors()} * * This class can be overloaded with {@see SimplePie::set_author_class()} * * @package SimplePie * @subpackage API */ class Author { /** * Author's name * * @var string * @see get_name() */ public $name; /** * Author's link * * @var string * @see get_link() */ public $link; /** * Author's email address * * @var string * @see get_email() */ public $email; /** * Constructor, used to input the data * * @param string $name * @param string $link * @param string $email */ public function __construct($name = null, $link = null, $email = null) { $this->name = $name; $this->link = $link; $this->email = $email; } /** * String-ified version * * @return string */ public function __toString() { // There is no $this->data here return md5(serialize($this)); } /** * Author's name * * @return string|null */ public function get_name() { if ($this->name !== null) { return $this->name; } return null; } /** * Author's link * * @return string|null */ public function get_link() { if ($this->link !== null) { return $this->link; } return null; } /** * Author's email address * * @return string|null */ public function get_email() { if ($this->email !== null) { return $this->email; } return null; } } class_alias('SimplePie\Author', 'SimplePie_Author'); Cache.php 0000604 00000011363 14717745057 0006301 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; use SimplePie\Cache\Base; /** * Used to create cache objects * * This class can be overloaded with {@see SimplePie::set_cache_class()}, * although the preferred way is to create your own handler * via {@see register()} * * @package SimplePie * @subpackage Caching * @deprecated since SimplePie 1.8.0, use "SimplePie\SimplePie::set_cache()" instead */ class Cache { /** * Cache handler classes * * These receive 3 parameters to their constructor, as documented in * {@see register()} * @var array */ protected static $handlers = [ 'mysql' => 'SimplePie\Cache\MySQL', 'memcache' => 'SimplePie\Cache\Memcache', 'memcached' => 'SimplePie\Cache\Memcached', 'redis' => 'SimplePie\Cache\Redis' ]; /** * Don't call the constructor. Please. */ private function __construct() { } /** * Create a new SimplePie\Cache object * * @param string $location URL location (scheme is used to determine handler) * @param string $filename Unique identifier for cache object * @param Base::TYPE_FEED|Base::TYPE_IMAGE $extension 'spi' or 'spc' * @return Base Type of object depends on scheme of `$location` */ public static function get_handler($location, $filename, $extension) { $type = explode(':', $location, 2); $type = $type[0]; if (!empty(self::$handlers[$type])) { $class = self::$handlers[$type]; return new $class($location, $filename, $extension); } return new \SimplePie\Cache\File($location, $filename, $extension); } /** * Create a new SimplePie\Cache object * * @deprecated since SimplePie 1.3.1, use {@see get_handler()} instead */ public function create($location, $filename, $extension) { trigger_error('Cache::create() has been replaced with Cache::get_handler() since SimplePie 1.3.1, use the registry system instead.', \E_USER_DEPRECATED); return self::get_handler($location, $filename, $extension); } /** * Register a handler * * @param string $type DSN type to register for * @param class-string<Base> $class Name of handler class. Must implement Base */ public static function register($type, $class) { self::$handlers[$type] = $class; } /** * Parse a URL into an array * * @param string $url * @return array */ public static function parse_URL($url) { $params = parse_url($url); $params['extras'] = []; if (isset($params['query'])) { parse_str($params['query'], $params['extras']); } return $params; } } class_alias('SimplePie\Cache', 'SimplePie_Cache'); IRI.php 0000604 00000105473 14717745057 0005727 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * IRI parser/serialiser/normaliser * * @package SimplePie * @subpackage HTTP * @author Sam Sneddon * @author Steve Minutillo * @author Ryan McCue * @copyright 2007-2012 Sam Sneddon, Steve Minutillo, Ryan McCue * @license http://www.opensource.org/licenses/bsd-license.php */ class IRI { /** * Scheme * * @var string */ protected $scheme = null; /** * User Information * * @var string */ protected $iuserinfo = null; /** * ihost * * @var string */ protected $ihost = null; /** * Port * * @var string */ protected $port = null; /** * ipath * * @var string */ protected $ipath = ''; /** * iquery * * @var string */ protected $iquery = null; /** * ifragment * * @var string */ protected $ifragment = null; /** * Normalization database * * Each key is the scheme, each value is an array with each key as the IRI * part and value as the default value for that part. */ protected $normalization = [ 'acap' => [ 'port' => 674 ], 'dict' => [ 'port' => 2628 ], 'file' => [ 'ihost' => 'localhost' ], 'http' => [ 'port' => 80, 'ipath' => '/' ], 'https' => [ 'port' => 443, 'ipath' => '/' ], ]; /** * Return the entire IRI when you try and read the object as a string * * @return string */ public function __toString() { return $this->get_iri(); } /** * Overload __set() to provide access via properties * * @param string $name Property name * @param mixed $value Property value */ public function __set($name, $value) { if (method_exists($this, 'set_' . $name)) { call_user_func([$this, 'set_' . $name], $value); } elseif ( $name === 'iauthority' || $name === 'iuserinfo' || $name === 'ihost' || $name === 'ipath' || $name === 'iquery' || $name === 'ifragment' ) { call_user_func([$this, 'set_' . substr($name, 1)], $value); } } /** * Overload __get() to provide access via properties * * @param string $name Property name * @return mixed */ public function __get($name) { // isset() returns false for null, we don't want to do that // Also why we use array_key_exists below instead of isset() $props = get_object_vars($this); if ( $name === 'iri' || $name === 'uri' || $name === 'iauthority' || $name === 'authority' ) { $return = $this->{"get_$name"}(); } elseif (array_key_exists($name, $props)) { $return = $this->$name; } // host -> ihost elseif (($prop = 'i' . $name) && array_key_exists($prop, $props)) { $name = $prop; $return = $this->$prop; } // ischeme -> scheme elseif (($prop = substr($name, 1)) && array_key_exists($prop, $props)) { $name = $prop; $return = $this->$prop; } else { trigger_error('Undefined property: ' . get_class($this) . '::' . $name, E_USER_NOTICE); $return = null; } if ($return === null && isset($this->normalization[$this->scheme][$name])) { return $this->normalization[$this->scheme][$name]; } return $return; } /** * Overload __isset() to provide access via properties * * @param string $name Property name * @return bool */ public function __isset($name) { return method_exists($this, 'get_' . $name) || isset($this->$name); } /** * Overload __unset() to provide access via properties * * @param string $name Property name */ public function __unset($name) { if (method_exists($this, 'set_' . $name)) { call_user_func([$this, 'set_' . $name], ''); } } /** * Create a new IRI object, from a specified string * * @param string $iri */ public function __construct($iri = null) { $this->set_iri($iri); } /** * Clean up */ public function __destruct() { $this->set_iri(null, true); $this->set_path(null, true); $this->set_authority(null, true); } /** * Create a new IRI object by resolving a relative IRI * * Returns false if $base is not absolute, otherwise an IRI. * * @param IRI|string $base (Absolute) Base IRI * @param IRI|string $relative Relative IRI * @return IRI|false */ public static function absolutize($base, $relative) { if (!($relative instanceof IRI)) { $relative = new IRI($relative); } if (!$relative->is_valid()) { return false; } elseif ($relative->scheme !== null) { return clone $relative; } else { if (!($base instanceof IRI)) { $base = new IRI($base); } if ($base->scheme !== null && $base->is_valid()) { if ($relative->get_iri() !== '') { if ($relative->iuserinfo !== null || $relative->ihost !== null || $relative->port !== null) { $target = clone $relative; $target->scheme = $base->scheme; } else { $target = new IRI(); $target->scheme = $base->scheme; $target->iuserinfo = $base->iuserinfo; $target->ihost = $base->ihost; $target->port = $base->port; if ($relative->ipath !== '') { if ($relative->ipath[0] === '/') { $target->ipath = $relative->ipath; } elseif (($base->iuserinfo !== null || $base->ihost !== null || $base->port !== null) && $base->ipath === '') { $target->ipath = '/' . $relative->ipath; } elseif (($last_segment = strrpos($base->ipath, '/')) !== false) { $target->ipath = substr($base->ipath, 0, $last_segment + 1) . $relative->ipath; } else { $target->ipath = $relative->ipath; } $target->ipath = $target->remove_dot_segments($target->ipath); $target->iquery = $relative->iquery; } else { $target->ipath = $base->ipath; if ($relative->iquery !== null) { $target->iquery = $relative->iquery; } elseif ($base->iquery !== null) { $target->iquery = $base->iquery; } } $target->ifragment = $relative->ifragment; } } else { $target = clone $base; $target->ifragment = null; } $target->scheme_normalization(); return $target; } return false; } } /** * Parse an IRI into scheme/authority/path/query/fragment segments * * @param string $iri * @return array */ protected function parse_iri($iri) { $iri = trim($iri, "\x20\x09\x0A\x0C\x0D"); if (preg_match('/^((?P<scheme>[^:\/?#]+):)?(\/\/(?P<authority>[^\/?#]*))?(?P<path>[^?#]*)(\?(?P<query>[^#]*))?(#(?P<fragment>.*))?$/', $iri, $match)) { if ($match[1] === '') { $match['scheme'] = null; } if (!isset($match[3]) || $match[3] === '') { $match['authority'] = null; } if (!isset($match[5])) { $match['path'] = ''; } if (!isset($match[6]) || $match[6] === '') { $match['query'] = null; } if (!isset($match[8]) || $match[8] === '') { $match['fragment'] = null; } return $match; } // This can occur when a paragraph is accidentally parsed as a URI return false; } /** * Remove dot segments from a path * * @param string $input * @return string */ protected function remove_dot_segments($input) { $output = ''; while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..') { // A: If the input buffer begins with a prefix of "../" or "./", then remove that prefix from the input buffer; otherwise, if (strpos($input, '../') === 0) { $input = substr($input, 3); } elseif (strpos($input, './') === 0) { $input = substr($input, 2); } // B: if the input buffer begins with a prefix of "/./" or "/.", where "." is a complete path segment, then replace that prefix with "/" in the input buffer; otherwise, elseif (strpos($input, '/./') === 0) { $input = substr($input, 2); } elseif ($input === '/.') { $input = '/'; } // C: if the input buffer begins with a prefix of "/../" or "/..", where ".." is a complete path segment, then replace that prefix with "/" in the input buffer and remove the last segment and its preceding "/" (if any) from the output buffer; otherwise, elseif (strpos($input, '/../') === 0) { $input = substr($input, 3); $output = substr_replace($output, '', intval(strrpos($output, '/'))); } elseif ($input === '/..') { $input = '/'; $output = substr_replace($output, '', intval(strrpos($output, '/'))); } // D: if the input buffer consists only of "." or "..", then remove that from the input buffer; otherwise, elseif ($input === '.' || $input === '..') { $input = ''; } // E: move the first path segment in the input buffer to the end of the output buffer, including the initial "/" character (if any) and any subsequent characters up to, but not including, the next "/" character or the end of the input buffer elseif (($pos = strpos($input, '/', 1)) !== false) { $output .= substr($input, 0, $pos); $input = substr_replace($input, '', 0, $pos); } else { $output .= $input; $input = ''; } } return $output . $input; } /** * Replace invalid character with percent encoding * * @param string $string Input string * @param string $extra_chars Valid characters not in iunreserved or * iprivate (this is ASCII-only) * @param bool $iprivate Allow iprivate * @return string */ protected function replace_invalid_with_pct_encoding($string, $extra_chars, $iprivate = false) { // Normalize as many pct-encoded sections as possible $string = preg_replace_callback('/(?:%[A-Fa-f0-9]{2})+/', [$this, 'remove_iunreserved_percent_encoded'], $string); // Replace invalid percent characters $string = preg_replace('/%(?![A-Fa-f0-9]{2})/', '%25', $string); // Add unreserved and % to $extra_chars (the latter is safe because all // pct-encoded sections are now valid). $extra_chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~%'; // Now replace any bytes that aren't allowed with their pct-encoded versions $position = 0; $strlen = strlen($string); while (($position += strspn($string, $extra_chars, $position)) < $strlen) { $value = ord($string[$position]); $character = 0; // Start position $start = $position; // By default we are valid $valid = true; // No one byte sequences are valid due to the while. // Two byte sequence: if (($value & 0xE0) === 0xC0) { $character = ($value & 0x1F) << 6; $length = 2; $remaining = 1; } // Three byte sequence: elseif (($value & 0xF0) === 0xE0) { $character = ($value & 0x0F) << 12; $length = 3; $remaining = 2; } // Four byte sequence: elseif (($value & 0xF8) === 0xF0) { $character = ($value & 0x07) << 18; $length = 4; $remaining = 3; } // Invalid byte: else { $valid = false; $length = 1; $remaining = 0; } if ($remaining) { if ($position + $length <= $strlen) { for ($position++; $remaining; $position++) { $value = ord($string[$position]); // Check that the byte is valid, then add it to the character: if (($value & 0xC0) === 0x80) { $character |= ($value & 0x3F) << (--$remaining * 6); } // If it is invalid, count the sequence as invalid and reprocess the current byte: else { $valid = false; $position--; break; } } } else { $position = $strlen - 1; $valid = false; } } // Percent encode anything invalid or not in ucschar if ( // Invalid sequences !$valid // Non-shortest form sequences are invalid || $length > 1 && $character <= 0x7F || $length > 2 && $character <= 0x7FF || $length > 3 && $character <= 0xFFFF // Outside of range of ucschar codepoints // Noncharacters || ($character & 0xFFFE) === 0xFFFE || $character >= 0xFDD0 && $character <= 0xFDEF || ( // Everything else not in ucschar $character > 0xD7FF && $character < 0xF900 || $character < 0xA0 || $character > 0xEFFFD ) && ( // Everything not in iprivate, if it applies !$iprivate || $character < 0xE000 || $character > 0x10FFFD ) ) { // If we were a character, pretend we weren't, but rather an error. if ($valid) { $position--; } for ($j = $start; $j <= $position; $j++) { $string = substr_replace($string, sprintf('%%%02X', ord($string[$j])), $j, 1); $j += 2; $position += 2; $strlen += 2; } } } return $string; } /** * Callback function for preg_replace_callback. * * Removes sequences of percent encoded bytes that represent UTF-8 * encoded characters in iunreserved * * @param array $match PCRE match * @return string Replacement */ protected function remove_iunreserved_percent_encoded($match) { // As we just have valid percent encoded sequences we can just explode // and ignore the first member of the returned array (an empty string). $bytes = explode('%', $match[0]); // Initialize the new string (this is what will be returned) and that // there are no bytes remaining in the current sequence (unsurprising // at the first byte!). $string = ''; $remaining = 0; // these variables will be initialized in the loop but PHPStan is not able to detect it currently $start = 0; $character = 0; $length = 0; $valid = true; // Loop over each and every byte, and set $value to its value for ($i = 1, $len = count($bytes); $i < $len; $i++) { $value = hexdec($bytes[$i]); // If we're the first byte of sequence: if (!$remaining) { // Start position $start = $i; // By default we are valid $valid = true; // One byte sequence: if ($value <= 0x7F) { $character = $value; $length = 1; } // Two byte sequence: elseif (($value & 0xE0) === 0xC0) { $character = ($value & 0x1F) << 6; $length = 2; $remaining = 1; } // Three byte sequence: elseif (($value & 0xF0) === 0xE0) { $character = ($value & 0x0F) << 12; $length = 3; $remaining = 2; } // Four byte sequence: elseif (($value & 0xF8) === 0xF0) { $character = ($value & 0x07) << 18; $length = 4; $remaining = 3; } // Invalid byte: else { $valid = false; $remaining = 0; } } // Continuation byte: else { // Check that the byte is valid, then add it to the character: if (($value & 0xC0) === 0x80) { $remaining--; $character |= ($value & 0x3F) << ($remaining * 6); } // If it is invalid, count the sequence as invalid and reprocess the current byte as the start of a sequence: else { $valid = false; $remaining = 0; $i--; } } // If we've reached the end of the current byte sequence, append it to Unicode::$data if (!$remaining) { // Percent encode anything invalid or not in iunreserved if ( // Invalid sequences !$valid // Non-shortest form sequences are invalid || $length > 1 && $character <= 0x7F || $length > 2 && $character <= 0x7FF || $length > 3 && $character <= 0xFFFF // Outside of range of iunreserved codepoints || $character < 0x2D || $character > 0xEFFFD // Noncharacters || ($character & 0xFFFE) === 0xFFFE || $character >= 0xFDD0 && $character <= 0xFDEF // Everything else not in iunreserved (this is all BMP) || $character === 0x2F || $character > 0x39 && $character < 0x41 || $character > 0x5A && $character < 0x61 || $character > 0x7A && $character < 0x7E || $character > 0x7E && $character < 0xA0 || $character > 0xD7FF && $character < 0xF900 ) { for ($j = $start; $j <= $i; $j++) { $string .= '%' . strtoupper($bytes[$j]); } } else { for ($j = $start; $j <= $i; $j++) { $string .= chr(hexdec($bytes[$j])); } } } } // If we have any bytes left over they are invalid (i.e., we are // mid-way through a multi-byte sequence) if ($remaining) { for ($j = $start; $j < $len; $j++) { $string .= '%' . strtoupper($bytes[$j]); } } return $string; } protected function scheme_normalization() { if (isset($this->normalization[$this->scheme]['iuserinfo']) && $this->iuserinfo === $this->normalization[$this->scheme]['iuserinfo']) { $this->iuserinfo = null; } if (isset($this->normalization[$this->scheme]['ihost']) && $this->ihost === $this->normalization[$this->scheme]['ihost']) { $this->ihost = null; } if (isset($this->normalization[$this->scheme]['port']) && $this->port === $this->normalization[$this->scheme]['port']) { $this->port = null; } if (isset($this->normalization[$this->scheme]['ipath']) && $this->ipath === $this->normalization[$this->scheme]['ipath']) { $this->ipath = ''; } if (isset($this->normalization[$this->scheme]['iquery']) && $this->iquery === $this->normalization[$this->scheme]['iquery']) { $this->iquery = null; } if (isset($this->normalization[$this->scheme]['ifragment']) && $this->ifragment === $this->normalization[$this->scheme]['ifragment']) { $this->ifragment = null; } } /** * Check if the object represents a valid IRI. This needs to be done on each * call as some things change depending on another part of the IRI. * * @return bool */ public function is_valid() { if ($this->ipath === '') { return true; } $isauthority = $this->iuserinfo !== null || $this->ihost !== null || $this->port !== null; if ($isauthority && $this->ipath[0] === '/') { return true; } if (!$isauthority && (substr($this->ipath, 0, 2) === '//')) { return false; } // Relative urls cannot have a colon in the first path segment (and the // slashes themselves are not included so skip the first character). if (!$this->scheme && !$isauthority && strpos($this->ipath, ':') !== false && strpos($this->ipath, '/', 1) !== false && strpos($this->ipath, ':') < strpos($this->ipath, '/', 1)) { return false; } return true; } /** * Set the entire IRI. Returns true on success, false on failure (if there * are any invalid characters). * * @param string $iri * @return bool */ public function set_iri($iri, $clear_cache = false) { static $cache; if ($clear_cache) { $cache = null; return; } if (!$cache) { $cache = []; } if ($iri === null) { return true; } elseif (isset($cache[$iri])) { [ $this->scheme, $this->iuserinfo, $this->ihost, $this->port, $this->ipath, $this->iquery, $this->ifragment, $return ] = $cache[$iri]; return $return; } $parsed = $this->parse_iri((string) $iri); if (!$parsed) { return false; } $return = $this->set_scheme($parsed['scheme']) && $this->set_authority($parsed['authority']) && $this->set_path($parsed['path']) && $this->set_query($parsed['query']) && $this->set_fragment($parsed['fragment']); $cache[$iri] = [ $this->scheme, $this->iuserinfo, $this->ihost, $this->port, $this->ipath, $this->iquery, $this->ifragment, $return ]; return $return; } /** * Set the scheme. Returns true on success, false on failure (if there are * any invalid characters). * * @param string $scheme * @return bool */ public function set_scheme($scheme) { if ($scheme === null) { $this->scheme = null; } elseif (!preg_match('/^[A-Za-z][0-9A-Za-z+\-.]*$/', $scheme)) { $this->scheme = null; return false; } else { $this->scheme = strtolower($scheme); } return true; } /** * Set the authority. Returns true on success, false on failure (if there are * any invalid characters). * * @param string $authority * @return bool */ public function set_authority($authority, $clear_cache = false) { static $cache; if ($clear_cache) { $cache = null; return; } if (!$cache) { $cache = []; } if ($authority === null) { $this->iuserinfo = null; $this->ihost = null; $this->port = null; return true; } elseif (isset($cache[$authority])) { [ $this->iuserinfo, $this->ihost, $this->port, $return ] = $cache[$authority]; return $return; } $remaining = $authority; if (($iuserinfo_end = strrpos($remaining, '@')) !== false) { $iuserinfo = substr($remaining, 0, $iuserinfo_end); $remaining = substr($remaining, $iuserinfo_end + 1); } else { $iuserinfo = null; } if (($port_start = strpos($remaining, ':', intval(strpos($remaining, ']')))) !== false) { if (($port = substr($remaining, $port_start + 1)) === false) { $port = null; } $remaining = substr($remaining, 0, $port_start); } else { $port = null; } $return = $this->set_userinfo($iuserinfo) && $this->set_host($remaining) && $this->set_port($port); $cache[$authority] = [ $this->iuserinfo, $this->ihost, $this->port, $return ]; return $return; } /** * Set the iuserinfo. * * @param string $iuserinfo * @return bool */ public function set_userinfo($iuserinfo) { if ($iuserinfo === null) { $this->iuserinfo = null; } else { $this->iuserinfo = $this->replace_invalid_with_pct_encoding($iuserinfo, '!$&\'()*+,;=:'); $this->scheme_normalization(); } return true; } /** * Set the ihost. Returns true on success, false on failure (if there are * any invalid characters). * * @param string $ihost * @return bool */ public function set_host($ihost) { if ($ihost === null) { $this->ihost = null; return true; } elseif (substr($ihost, 0, 1) === '[' && substr($ihost, -1) === ']') { if (\SimplePie\Net\IPv6::check_ipv6(substr($ihost, 1, -1))) { $this->ihost = '[' . \SimplePie\Net\IPv6::compress(substr($ihost, 1, -1)) . ']'; } else { $this->ihost = null; return false; } } else { $ihost = $this->replace_invalid_with_pct_encoding($ihost, '!$&\'()*+,;='); // Lowercase, but ignore pct-encoded sections (as they should // remain uppercase). This must be done after the previous step // as that can add unescaped characters. $position = 0; $strlen = strlen($ihost); while (($position += strcspn($ihost, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ%', $position)) < $strlen) { if ($ihost[$position] === '%') { $position += 3; } else { $ihost[$position] = strtolower($ihost[$position]); $position++; } } $this->ihost = $ihost; } $this->scheme_normalization(); return true; } /** * Set the port. Returns true on success, false on failure (if there are * any invalid characters). * * @param string $port * @return bool */ public function set_port($port) { if ($port === null) { $this->port = null; return true; } elseif (strspn($port, '0123456789') === strlen($port)) { $this->port = (int) $port; $this->scheme_normalization(); return true; } $this->port = null; return false; } /** * Set the ipath. * * @param string $ipath * @return bool */ public function set_path($ipath, $clear_cache = false) { static $cache; if ($clear_cache) { $cache = null; return; } if (!$cache) { $cache = []; } $ipath = (string) $ipath; if (isset($cache[$ipath])) { $this->ipath = $cache[$ipath][(int) ($this->scheme !== null)]; } else { $valid = $this->replace_invalid_with_pct_encoding($ipath, '!$&\'()*+,;=@:/'); $removed = $this->remove_dot_segments($valid); $cache[$ipath] = [$valid, $removed]; $this->ipath = ($this->scheme !== null) ? $removed : $valid; } $this->scheme_normalization(); return true; } /** * Set the iquery. * * @param string $iquery * @return bool */ public function set_query($iquery) { if ($iquery === null) { $this->iquery = null; } else { $this->iquery = $this->replace_invalid_with_pct_encoding($iquery, '!$&\'()*+,;=:@/?', true); $this->scheme_normalization(); } return true; } /** * Set the ifragment. * * @param string $ifragment * @return bool */ public function set_fragment($ifragment) { if ($ifragment === null) { $this->ifragment = null; } else { $this->ifragment = $this->replace_invalid_with_pct_encoding($ifragment, '!$&\'()*+,;=:@/?'); $this->scheme_normalization(); } return true; } /** * Convert an IRI to a URI (or parts thereof) * * @return string */ public function to_uri($string) { static $non_ascii; if (!$non_ascii) { $non_ascii = implode('', range("\x80", "\xFF")); } $position = 0; $strlen = strlen($string); while (($position += strcspn($string, $non_ascii, $position)) < $strlen) { $string = substr_replace($string, sprintf('%%%02X', ord($string[$position])), $position, 1); $position += 3; $strlen += 2; } return $string; } /** * Get the complete IRI * * @return string */ public function get_iri() { if (!$this->is_valid()) { return false; } $iri = ''; if ($this->scheme !== null) { $iri .= $this->scheme . ':'; } if (($iauthority = $this->get_iauthority()) !== null) { $iri .= '//' . $iauthority; } if ($this->ipath !== '') { $iri .= $this->ipath; } elseif (!empty($this->normalization[$this->scheme]['ipath']) && $iauthority !== null && $iauthority !== '') { $iri .= $this->normalization[$this->scheme]['ipath']; } if ($this->iquery !== null) { $iri .= '?' . $this->iquery; } if ($this->ifragment !== null) { $iri .= '#' . $this->ifragment; } return $iri; } /** * Get the complete URI * * @return string */ public function get_uri() { return $this->to_uri($this->get_iri()); } /** * Get the complete iauthority * * @return string */ protected function get_iauthority() { if ($this->iuserinfo !== null || $this->ihost !== null || $this->port !== null) { $iauthority = ''; if ($this->iuserinfo !== null) { $iauthority .= $this->iuserinfo . '@'; } if ($this->ihost !== null) { $iauthority .= $this->ihost; } if ($this->port !== null && $this->port !== 0) { $iauthority .= ':' . $this->port; } return $iauthority; } return null; } /** * Get the complete authority * * @return string */ protected function get_authority() { $iauthority = $this->get_iauthority(); if (is_string($iauthority)) { return $this->to_uri($iauthority); } return $iauthority; } } class_alias('SimplePie\IRI', 'SimplePie_IRI'); Gzdecode.php 0000604 00000023754 14717745057 0007031 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Decode 'gzip' encoded HTTP data * * @package SimplePie * @subpackage HTTP * @link http://www.gzip.org/format.txt */ class Gzdecode { /** * Compressed data * * @access private * @var string * @see gzdecode::$data */ public $compressed_data; /** * Size of compressed data * * @access private * @var int */ public $compressed_size; /** * Minimum size of a valid gzip string * * @access private * @var int */ public $min_compressed_size = 18; /** * Current position of pointer * * @access private * @var int */ public $position = 0; /** * Flags (FLG) * * @access private * @var int */ public $flags; /** * Uncompressed data * * @access public * @see gzdecode::$compressed_data * @var string */ public $data; /** * Modified time * * @access public * @var int */ public $MTIME; /** * Extra Flags * * @access public * @var int */ public $XFL; /** * Operating System * * @access public * @var int */ public $OS; /** * Subfield ID 1 * * @access public * @see gzdecode::$extra_field * @see gzdecode::$SI2 * @var string */ public $SI1; /** * Subfield ID 2 * * @access public * @see gzdecode::$extra_field * @see gzdecode::$SI1 * @var string */ public $SI2; /** * Extra field content * * @access public * @see gzdecode::$SI1 * @see gzdecode::$SI2 * @var string */ public $extra_field; /** * Original filename * * @access public * @var string */ public $filename; /** * Human readable comment * * @access public * @var string */ public $comment; /** * Don't allow anything to be set * * @param string $name * @param mixed $value */ public function __set($name, $value) { throw new Exception("Cannot write property $name"); } /** * Set the compressed string and related properties * * @param string $data */ public function __construct($data) { $this->compressed_data = $data; $this->compressed_size = strlen($data); } /** * Decode the GZIP stream * * @return bool Successfulness */ public function parse() { if ($this->compressed_size >= $this->min_compressed_size) { $len = 0; // Check ID1, ID2, and CM if (substr($this->compressed_data, 0, 3) !== "\x1F\x8B\x08") { return false; } // Get the FLG (FLaGs) $this->flags = ord($this->compressed_data[3]); // FLG bits above (1 << 4) are reserved if ($this->flags > 0x1F) { return false; } // Advance the pointer after the above $this->position += 4; // MTIME $mtime = substr($this->compressed_data, $this->position, 4); // Reverse the string if we're on a big-endian arch because l is the only signed long and is machine endianness if (current(unpack('S', "\x00\x01")) === 1) { $mtime = strrev($mtime); } $this->MTIME = current(unpack('l', $mtime)); $this->position += 4; // Get the XFL (eXtra FLags) $this->XFL = ord($this->compressed_data[$this->position++]); // Get the OS (Operating System) $this->OS = ord($this->compressed_data[$this->position++]); // Parse the FEXTRA if ($this->flags & 4) { // Read subfield IDs $this->SI1 = $this->compressed_data[$this->position++]; $this->SI2 = $this->compressed_data[$this->position++]; // SI2 set to zero is reserved for future use if ($this->SI2 === "\x00") { return false; } // Get the length of the extra field $len = current(unpack('v', substr($this->compressed_data, $this->position, 2))); $this->position += 2; // Check the length of the string is still valid $this->min_compressed_size += $len + 4; if ($this->compressed_size >= $this->min_compressed_size) { // Set the extra field to the given data $this->extra_field = substr($this->compressed_data, $this->position, $len); $this->position += $len; } else { return false; } } // Parse the FNAME if ($this->flags & 8) { // Get the length of the filename $len = strcspn($this->compressed_data, "\x00", $this->position); // Check the length of the string is still valid $this->min_compressed_size += $len + 1; if ($this->compressed_size >= $this->min_compressed_size) { // Set the original filename to the given string $this->filename = substr($this->compressed_data, $this->position, $len); $this->position += $len + 1; } else { return false; } } // Parse the FCOMMENT if ($this->flags & 16) { // Get the length of the comment $len = strcspn($this->compressed_data, "\x00", $this->position); // Check the length of the string is still valid $this->min_compressed_size += $len + 1; if ($this->compressed_size >= $this->min_compressed_size) { // Set the original comment to the given string $this->comment = substr($this->compressed_data, $this->position, $len); $this->position += $len + 1; } else { return false; } } // Parse the FHCRC if ($this->flags & 2) { // Check the length of the string is still valid $this->min_compressed_size += $len + 2; if ($this->compressed_size >= $this->min_compressed_size) { // Read the CRC $crc = current(unpack('v', substr($this->compressed_data, $this->position, 2))); // Check the CRC matches if ((crc32(substr($this->compressed_data, 0, $this->position)) & 0xFFFF) === $crc) { $this->position += 2; } else { return false; } } else { return false; } } // Decompress the actual data if (($this->data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false) { return false; } $this->position = $this->compressed_size - 8; // Check CRC of data $crc = current(unpack('V', substr($this->compressed_data, $this->position, 4))); $this->position += 4; /*if (extension_loaded('hash') && sprintf('%u', current(unpack('V', hash('crc32b', $this->data)))) !== sprintf('%u', $crc)) { return false; }*/ // Check ISIZE of data $isize = current(unpack('V', substr($this->compressed_data, $this->position, 4))); $this->position += 4; if (sprintf('%u', strlen($this->data) & 0xFFFFFFFF) !== sprintf('%u', $isize)) { return false; } // Wow, against all odds, we've actually got a valid gzip string return true; } return false; } } class_alias('SimplePie\Gzdecode', 'SimplePie_gzdecode'); Credit.php 0000604 00000007666 14717745057 0006523 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Handles `<media:credit>` as defined in Media RSS * * Used by {@see \SimplePie\Enclosure::get_credit()} and {@see \SimplePie\Enclosure::get_credits()} * * This class can be overloaded with {@see \SimplePie\SimplePie::set_credit_class()} * * @package SimplePie * @subpackage API */ class Credit { /** * Credited role * * @var string * @see get_role() */ public $role; /** * Organizational scheme * * @var string * @see get_scheme() */ public $scheme; /** * Credited name * * @var string * @see get_name() */ public $name; /** * Constructor, used to input the data * * For documentation on all the parameters, see the corresponding * properties and their accessors */ public function __construct($role = null, $scheme = null, $name = null) { $this->role = $role; $this->scheme = $scheme; $this->name = $name; } /** * String-ified version * * @return string */ public function __toString() { // There is no $this->data here return md5(serialize($this)); } /** * Get the role of the person receiving credit * * @return string|null */ public function get_role() { if ($this->role !== null) { return $this->role; } return null; } /** * Get the organizational scheme * * @return string|null */ public function get_scheme() { if ($this->scheme !== null) { return $this->scheme; } return null; } /** * Get the credited person/entity's name * * @return string|null */ public function get_name() { if ($this->name !== null) { return $this->name; } return null; } } class_alias('SimplePie\Credit', 'SimplePie_Credit'); Restriction.php 0000604 00000010020 14717745057 0007570 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Handles `<media:restriction>` as defined in Media RSS * * Used by {@see \SimplePie\Enclosure::get_restriction()} and {@see \SimplePie\Enclosure::get_restrictions()} * * This class can be overloaded with {@see \SimplePie\SimplePie::set_restriction_class()} * * @package SimplePie * @subpackage API */ class Restriction { /** * Relationship ('allow'/'deny') * * @var string * @see get_relationship() */ public $relationship; /** * Type of restriction * * @var string * @see get_type() */ public $type; /** * Restricted values * * @var string * @see get_value() */ public $value; /** * Constructor, used to input the data * * For documentation on all the parameters, see the corresponding * properties and their accessors */ public function __construct($relationship = null, $type = null, $value = null) { $this->relationship = $relationship; $this->type = $type; $this->value = $value; } /** * String-ified version * * @return string */ public function __toString() { // There is no $this->data here return md5(serialize($this)); } /** * Get the relationship * * @return string|null Either 'allow' or 'deny' */ public function get_relationship() { if ($this->relationship !== null) { return $this->relationship; } return null; } /** * Get the type * * @return string|null */ public function get_type() { if ($this->type !== null) { return $this->type; } return null; } /** * Get the list of restricted things * * @return string|null */ public function get_value() { if ($this->value !== null) { return $this->value; } return null; } } class_alias('SimplePie\Restriction', 'SimplePie_Restriction'); Item.php 0000604 00000400572 14717745057 0006200 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Manages all item-related data * * Used by {@see \SimplePie\SimplePie::get_item()} and {@see \SimplePie\SimplePie::get_items()} * * This class can be overloaded with {@see \SimplePie\SimplePie::set_item_class()} * * @package \SimplePie\SimplePie * @subpackage API */ class Item implements RegistryAware { /** * Parent feed * * @access private * @var \SimplePie\SimplePie */ public $feed; /** * Raw data * * @access private * @var array */ public $data = []; /** * Registry object * * @see set_registry * @var \SimplePie\Registry */ protected $registry; /** * Create a new item object * * This is usually used by {@see \SimplePie\SimplePie::get_items} and * {@see \SimplePie\SimplePie::get_item}. Avoid creating this manually. * * @param \SimplePie\SimplePie $feed Parent feed * @param array $data Raw data */ public function __construct($feed, $data) { $this->feed = $feed; $this->data = $data; } /** * Set the registry handler * * This is usually used by {@see \SimplePie\Registry::create} * * @since 1.3 * @param \SimplePie\Registry $registry */ public function set_registry(\SimplePie\Registry $registry)/* : void */ { $this->registry = $registry; } /** * Get a string representation of the item * * @return string */ public function __toString() { return md5(serialize($this->data)); } /** * Remove items that link back to this before destroying this object */ public function __destruct() { if (!gc_enabled()) { unset($this->feed); } } /** * Get data for an item-level element * * This method allows you to get access to ANY element/attribute that is a * sub-element of the item/entry tag. * * See {@see \SimplePie\SimplePie::get_feed_tags()} for a description of the return value * * @since 1.0 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces * @param string $namespace The URL of the XML namespace of the elements you're trying to access * @param string $tag Tag name * @return array */ public function get_item_tags($namespace, $tag) { if (isset($this->data['child'][$namespace][$tag])) { return $this->data['child'][$namespace][$tag]; } return null; } /** * Get the base URL value. * Uses `<xml:base>`, or item link, or feed base URL. * * @param array $element * @return string */ public function get_base($element = []) { if (!empty($element['xml_base_explicit']) && isset($element['xml_base'])) { return $element['xml_base']; } $link = $this->get_permalink(); if ($link != null) { return $link; } return $this->feed->get_base($element); } /** * Sanitize feed data * * @access private * @see \SimplePie\SimplePie::sanitize() * @param string $data Data to sanitize * @param int $type One of the \SimplePie\SimplePie::CONSTRUCT_* constants * @param string $base Base URL to resolve URLs against * @return string Sanitized data */ public function sanitize($data, $type, $base = '') { return $this->feed->sanitize($data, $type, $base); } /** * Get the parent feed * * Note: this may not work as you think for multifeeds! * * @link http://simplepie.org/faq/typical_multifeed_gotchas#missing_data_from_feed * @since 1.0 * @return \SimplePie\SimplePie */ public function get_feed() { return $this->feed; } /** * Get the unique identifier for the item * * This is usually used when writing code to check for new items in a feed. * * Uses `<atom:id>`, `<guid>`, `<dc:identifier>` or the `about` attribute * for RDF. If none of these are supplied (or `$hash` is true), creates an * MD5 hash based on the permalink, title and content. * * @since Beta 2 * @param boolean $hash Should we force using a hash instead of the supplied ID? * @param string|false $fn User-supplied function to generate an hash * @return string|null */ public function get_id($hash = false, $fn = 'md5') { if (!$hash) { if ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'id')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'id')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'guid')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'identifier')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'identifier')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif (isset($this->data['attribs'][\SimplePie\SimplePie::NAMESPACE_RDF]['about'])) { return $this->sanitize($this->data['attribs'][\SimplePie\SimplePie::NAMESPACE_RDF]['about'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } } if ($fn === false) { return null; } elseif (!is_callable($fn)) { trigger_error('User-supplied function $fn must be callable', E_USER_WARNING); $fn = 'md5'; } return call_user_func( $fn, $this->get_permalink().$this->get_title().$this->get_content() ); } /** * Get the title of the item * * Uses `<atom:title>`, `<title>` or `<dc:title>` * * @since Beta 2 (previously called `get_item_title` since 0.8) * @return string|null */ public function get_title() { if (!isset($this->data['title'])) { if ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_10, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_090, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $this->data['title'] = null; } } return $this->data['title']; } /** * Get the content for the item * * Prefers summaries over full content , but will return full content if a * summary does not exist. * * To prefer full content instead, use {@see get_content} * * Uses `<atom:summary>`, `<description>`, `<dc:description>` or * `<itunes:subtitle>` * * @since 0.8 * @param boolean $description_only Should we avoid falling back to the content? * @return string|null */ public function get_description($description_only = false) { if (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'summary')) && ($return = $this->sanitize($tags[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$tags[0]['attribs']]), $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'summary')) && ($return = $this->sanitize($tags[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$tags[0]['attribs']]), $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_10, 'description')) && ($return = $this->sanitize($tags[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'description')) && ($return = $this->sanitize($tags[0]['data'], \SimplePie\SimplePie::CONSTRUCT_HTML, $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'description')) && ($return = $this->sanitize($tags[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT))) { return $return; } elseif (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'description')) && ($return = $this->sanitize($tags[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT))) { return $return; } elseif (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'summary')) && ($return = $this->sanitize($tags[0]['data'], \SimplePie\SimplePie::CONSTRUCT_HTML, $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'subtitle')) && ($return = $this->sanitize($tags[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT))) { return $return; } elseif (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_090, 'description')) && ($return = $this->sanitize($tags[0]['data'], \SimplePie\SimplePie::CONSTRUCT_HTML))) { return $return; } elseif (!$description_only) { return $this->get_content(true); } return null; } /** * Get the content for the item * * Prefers full content over summaries, but will return a summary if full * content does not exist. * * To prefer summaries instead, use {@see get_description} * * Uses `<atom:content>` or `<content:encoded>` (RSS 1.0 Content Module) * * @since 1.0 * @param boolean $content_only Should we avoid falling back to the description? * @return string|null */ public function get_content($content_only = false) { if (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'content')) && ($return = $this->sanitize($tags[0]['data'], $this->registry->call(Misc::class, 'atom_10_content_construct_type', [$tags[0]['attribs']]), $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'content')) && ($return = $this->sanitize($tags[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$tags[0]['attribs']]), $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_10_MODULES_CONTENT, 'encoded')) && ($return = $this->sanitize($tags[0]['data'], \SimplePie\SimplePie::CONSTRUCT_HTML, $this->get_base($tags[0])))) { return $return; } elseif (!$content_only) { return $this->get_description(true); } return null; } /** * Get the media:thumbnail of the item * * Uses `<media:thumbnail>` * * * @return array|null */ public function get_thumbnail() { if (!isset($this->data['thumbnail'])) { if ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'thumbnail')) { $thumbnail = $return[0]['attribs']['']; if (empty($thumbnail['url'])) { $this->data['thumbnail'] = null; } else { $thumbnail['url'] = $this->sanitize($thumbnail['url'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($return[0])); $this->data['thumbnail'] = $thumbnail; } } else { $this->data['thumbnail'] = null; } } return $this->data['thumbnail']; } /** * Get a category for the item * * @since Beta 3 (previously called `get_categories()` since Beta 2) * @param int $key The category that you want to return. Remember that arrays begin with 0, not 1 * @return \SimplePie\Category|null */ public function get_category($key = 0) { $categories = $this->get_categories(); if (isset($categories[$key])) { return $categories[$key]; } return null; } /** * Get all categories for the item * * Uses `<atom:category>`, `<category>` or `<dc:subject>` * * @since Beta 3 * @return \SimplePie\Category[]|null List of {@see \SimplePie\Category} objects */ public function get_categories() { $categories = []; $type = 'category'; foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, $type) as $category) { $term = null; $scheme = null; $label = null; if (isset($category['attribs']['']['term'])) { $term = $this->sanitize($category['attribs']['']['term'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $categories[] = $this->registry->create(Category::class, [$term, $scheme, $label, $type]); } foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, $type) as $category) { // This is really the label, but keep this as the term also for BC. // Label will also work on retrieving because that falls back to term. $term = $this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); if (isset($category['attribs']['']['domain'])) { $scheme = $this->sanitize($category['attribs']['']['domain'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $scheme = null; } $categories[] = $this->registry->create(Category::class, [$term, $scheme, null, $type]); } $type = 'subject'; foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, $type) as $category) { $categories[] = $this->registry->create(Category::class, [$this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null, $type]); } foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, $type) as $category) { $categories[] = $this->registry->create(Category::class, [$this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null, $type]); } if (!empty($categories)) { return array_unique($categories); } return null; } /** * Get an author for the item * * @since Beta 2 * @param int $key The author that you want to return. Remember that arrays begin with 0, not 1 * @return \SimplePie\Author|null */ public function get_author($key = 0) { $authors = $this->get_authors(); if (isset($authors[$key])) { return $authors[$key]; } return null; } /** * Get a contributor for the item * * @since 1.1 * @param int $key The contrbutor that you want to return. Remember that arrays begin with 0, not 1 * @return \SimplePie\Author|null */ public function get_contributor($key = 0) { $contributors = $this->get_contributors(); if (isset($contributors[$key])) { return $contributors[$key]; } return null; } /** * Get all contributors for the item * * Uses `<atom:contributor>` * * @since 1.1 * @return \SimplePie\Author[]|null List of {@see \SimplePie\Author} objects */ public function get_contributors() { $contributors = []; foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'contributor') as $contributor) { $name = null; $uri = null; $email = null; if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'])) { $name = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0]['data'])) { $uri = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0])); } if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'])) { $email = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $uri !== null) { $contributors[] = $this->registry->create(Author::class, [$name, $uri, $email]); } } foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'contributor') as $contributor) { $name = null; $url = null; $email = null; if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'])) { $name = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0]['data'])) { $url = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0])); } if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'])) { $email = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $url !== null) { $contributors[] = $this->registry->create(Author::class, [$name, $url, $email]); } } if (!empty($contributors)) { return array_unique($contributors); } return null; } /** * Get all authors for the item * * Uses `<atom:author>`, `<author>`, `<dc:creator>` or `<itunes:author>` * * @since Beta 2 * @return \SimplePie\Author[]|null List of {@see \SimplePie\Author} objects */ public function get_authors() { $authors = []; foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'author') as $author) { $name = null; $uri = null; $email = null; if (isset($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'])) { $name = $this->sanitize($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0]['data'])) { $uri = $this->sanitize($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0])); } if (isset($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'])) { $email = $this->sanitize($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $uri !== null) { $authors[] = $this->registry->create(Author::class, [$name, $uri, $email]); } } if ($author = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'author')) { $name = null; $url = null; $email = null; if (isset($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'])) { $name = $this->sanitize($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0]['data'])) { $url = $this->sanitize($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0])); } if (isset($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'])) { $email = $this->sanitize($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $url !== null) { $authors[] = $this->registry->create(Author::class, [$name, $url, $email]); } } if ($author = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'author')) { $authors[] = $this->registry->create(Author::class, [null, null, $this->sanitize($author[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT)]); } foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'creator') as $author) { $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]); } foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'creator') as $author) { $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]); } foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'author') as $author) { $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]); } if (!empty($authors)) { return array_unique($authors); } elseif (($source = $this->get_source()) && ($authors = $source->get_authors())) { return $authors; } elseif ($authors = $this->feed->get_authors()) { return $authors; } return null; } /** * Get the copyright info for the item * * Uses `<atom:rights>` or `<dc:rights>` * * @since 1.1 * @return string */ public function get_copyright() { if ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'rights')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'rights')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'rights')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } return null; } /** * Get the posting date/time for the item * * Uses `<atom:published>`, `<atom:updated>`, `<atom:issued>`, * `<atom:modified>`, `<pubDate>` or `<dc:date>` * * Note: obeys PHP's timezone setting. To get a UTC date/time, use * {@see get_gmdate} * * @since Beta 2 (previously called `get_item_date` since 0.8) * * @param string $date_format Supports any PHP date format from {@see http://php.net/date} (empty for the raw data) * @return int|string|null */ public function get_date($date_format = 'j F Y, g:i a') { if (!isset($this->data['date'])) { if ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'published')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'pubDate')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'date')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'date')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'updated')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'issued')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'created')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'modified')) { $this->data['date']['raw'] = $return[0]['data']; } if (!empty($this->data['date']['raw'])) { $parser = $this->registry->call(Parse\Date::class, 'get'); $this->data['date']['parsed'] = $parser->parse($this->data['date']['raw']) ?: null; } else { $this->data['date'] = null; } } if ($this->data['date']) { $date_format = (string) $date_format; switch ($date_format) { case '': return $this->sanitize($this->data['date']['raw'], \SimplePie\SimplePie::CONSTRUCT_TEXT); case 'U': return $this->data['date']['parsed']; default: return date($date_format, $this->data['date']['parsed']); } } return null; } /** * Get the update date/time for the item * * Uses `<atom:updated>` * * Note: obeys PHP's timezone setting. To get a UTC date/time, use * {@see get_gmdate} * * @param string $date_format Supports any PHP date format from {@see http://php.net/date} (empty for the raw data) * @return int|string|null */ public function get_updated_date($date_format = 'j F Y, g:i a') { if (!isset($this->data['updated'])) { if ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'updated')) { $this->data['updated']['raw'] = $return[0]['data']; } if (!empty($this->data['updated']['raw'])) { $parser = $this->registry->call(Parse\Date::class, 'get'); $this->data['updated']['parsed'] = $parser->parse($this->data['updated']['raw']) ?: null; } else { $this->data['updated'] = null; } } if ($this->data['updated']) { $date_format = (string) $date_format; switch ($date_format) { case '': return $this->sanitize($this->data['updated']['raw'], \SimplePie\SimplePie::CONSTRUCT_TEXT); case 'U': return $this->data['updated']['parsed']; default: return date($date_format, $this->data['updated']['parsed']); } } return null; } /** * Get the localized posting date/time for the item * * Returns the date formatted in the localized language. To display in * languages other than the server's default, you need to change the locale * with {@link http://php.net/setlocale setlocale()}. The available * localizations depend on which ones are installed on your web server. * * @since 1.0 * * @param string $date_format Supports any PHP date format from {@see http://php.net/strftime} (empty for the raw data) * @return int|string|null */ public function get_local_date($date_format = '%c') { if (!$date_format) { return $this->sanitize($this->get_date(''), \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif (($date = $this->get_date('U')) !== null && $date !== false) { return strftime($date_format, $date); } return null; } /** * Get the posting date/time for the item (UTC time) * * @see get_date * @param string $date_format Supports any PHP date format from {@see http://php.net/date} * @return int|string|null */ public function get_gmdate($date_format = 'j F Y, g:i a') { $date = $this->get_date('U'); if ($date === null) { return null; } return gmdate($date_format, $date); } /** * Get the update date/time for the item (UTC time) * * @see get_updated_date * @param string $date_format Supports any PHP date format from {@see http://php.net/date} * @return int|string|null */ public function get_updated_gmdate($date_format = 'j F Y, g:i a') { $date = $this->get_updated_date('U'); if ($date === null) { return null; } return gmdate($date_format, $date); } /** * Get the permalink for the item * * Returns the first link available with a relationship of "alternate". * Identical to {@see get_link()} with key 0 * * @see get_link * @since 0.8 * @return string|null Permalink URL */ public function get_permalink() { $link = $this->get_link(); $enclosure = $this->get_enclosure(0); if ($link !== null) { return $link; } elseif ($enclosure !== null) { return $enclosure->get_link(); } return null; } /** * Get a single link for the item * * @since Beta 3 * @param int $key The link that you want to return. Remember that arrays begin with 0, not 1 * @param string $rel The relationship of the link to return * @return string|null Link URL */ public function get_link($key = 0, $rel = 'alternate') { $links = $this->get_links($rel); if ($links && $links[$key] !== null) { return $links[$key]; } return null; } /** * Get all links for the item * * Uses `<atom:link>`, `<link>` or `<guid>` * * @since Beta 2 * @param string $rel The relationship of links to return * @return array|null Links found for the item (strings) */ public function get_links($rel = 'alternate') { if (!isset($this->data['links'])) { $this->data['links'] = []; foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'link') as $link) { if (isset($link['attribs']['']['href'])) { $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($link)); } } foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'link') as $link) { if (isset($link['attribs']['']['href'])) { $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($link)); } } if ($links = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_10, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_090, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'guid')) { if (!isset($links[0]['attribs']['']['isPermaLink']) || strtolower(trim($links[0]['attribs']['']['isPermaLink'])) === 'true') { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($links[0])); } } $keys = array_keys($this->data['links']); foreach ($keys as $key) { if ($this->registry->call(Misc::class, 'is_isegment_nz_nc', [$key])) { if (isset($this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key])) { $this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key]); $this->data['links'][$key] = &$this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key]; } else { $this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key] = &$this->data['links'][$key]; } } elseif (substr($key, 0, 41) === \SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY) { $this->data['links'][substr($key, 41)] = &$this->data['links'][$key]; } $this->data['links'][$key] = array_unique($this->data['links'][$key]); } } if (isset($this->data['links'][$rel])) { return $this->data['links'][$rel]; } return null; } /** * Get an enclosure from the item * * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS. * * @since Beta 2 * @todo Add ability to prefer one type of content over another (in a media group). * @param int $key The enclosure that you want to return. Remember that arrays begin with 0, not 1 * @return \SimplePie\Enclosure|null */ public function get_enclosure($key = 0, $prefer = null) { $enclosures = $this->get_enclosures(); if (isset($enclosures[$key])) { return $enclosures[$key]; } return null; } /** * Get all available enclosures (podcasts, etc.) * * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS. * * At this point, we're pretty much assuming that all enclosures for an item * are the same content. Anything else is too complicated to * properly support. * * @since Beta 2 * @todo Add support for end-user defined sorting of enclosures by type/handler (so we can prefer the faster-loading FLV over MP4). * @todo If an element exists at a level, but its value is empty, we should fall back to the value from the parent (if it exists). * @return \SimplePie\Enclosure[]|null List of \SimplePie\Enclosure items */ public function get_enclosures() { if (!isset($this->data['enclosures'])) { $this->data['enclosures'] = []; // Elements $captions_parent = null; $categories_parent = null; $copyrights_parent = null; $credits_parent = null; $description_parent = null; $duration_parent = null; $hashes_parent = null; $keywords_parent = null; $player_parent = null; $ratings_parent = null; $restrictions_parent = null; $thumbnails_parent = null; $title_parent = null; // Let's do the channel and item-level ones first, and just re-use them if we need to. $parent = $this->get_feed(); // CAPTIONS if ($captions = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'text')) { foreach ($captions as $caption) { $caption_type = null; $caption_lang = null; $caption_startTime = null; $caption_endTime = null; $caption_text = null; if (isset($caption['attribs']['']['type'])) { $caption_type = $this->sanitize($caption['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['lang'])) { $caption_lang = $this->sanitize($caption['attribs']['']['lang'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['start'])) { $caption_startTime = $this->sanitize($caption['attribs']['']['start'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['end'])) { $caption_endTime = $this->sanitize($caption['attribs']['']['end'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['data'])) { $caption_text = $this->sanitize($caption['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $captions_parent[] = $this->registry->create(Caption::class, [$caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text]); } } elseif ($captions = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'text')) { foreach ($captions as $caption) { $caption_type = null; $caption_lang = null; $caption_startTime = null; $caption_endTime = null; $caption_text = null; if (isset($caption['attribs']['']['type'])) { $caption_type = $this->sanitize($caption['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['lang'])) { $caption_lang = $this->sanitize($caption['attribs']['']['lang'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['start'])) { $caption_startTime = $this->sanitize($caption['attribs']['']['start'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['end'])) { $caption_endTime = $this->sanitize($caption['attribs']['']['end'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['data'])) { $caption_text = $this->sanitize($caption['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $captions_parent[] = $this->registry->create(Caption::class, [$caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text]); } } if (is_array($captions_parent)) { $captions_parent = array_values(array_unique($captions_parent)); } // CATEGORIES foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'category') as $category) { $term = null; $scheme = null; $label = null; if (isset($category['data'])) { $term = $this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $scheme = 'http://search.yahoo.com/mrss/category_schema'; } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $categories_parent[] = $this->registry->create(Category::class, [$term, $scheme, $label]); } foreach ((array) $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'category') as $category) { $term = null; $scheme = null; $label = null; if (isset($category['data'])) { $term = $this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $scheme = 'http://search.yahoo.com/mrss/category_schema'; } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $categories_parent[] = $this->registry->create(Category::class, [$term, $scheme, $label]); } foreach ((array) $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'category') as $category) { $term = null; $scheme = 'http://www.itunes.com/dtds/podcast-1.0.dtd'; $label = null; if (isset($category['attribs']['']['text'])) { $label = $this->sanitize($category['attribs']['']['text'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $categories_parent[] = $this->registry->create(Category::class, [$term, $scheme, $label]); if (isset($category['child'][\SimplePie\SimplePie::NAMESPACE_ITUNES]['category'])) { foreach ((array) $category['child'][\SimplePie\SimplePie::NAMESPACE_ITUNES]['category'] as $subcategory) { if (isset($subcategory['attribs']['']['text'])) { $label = $this->sanitize($subcategory['attribs']['']['text'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $categories_parent[] = $this->registry->create(Category::class, [$term, $scheme, $label]); } } } if (is_array($categories_parent)) { $categories_parent = array_values(array_unique($categories_parent)); } // COPYRIGHT if ($copyright = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'copyright')) { $copyright_url = null; $copyright_label = null; if (isset($copyright[0]['attribs']['']['url'])) { $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($copyright[0]['data'])) { $copyright_label = $this->sanitize($copyright[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $copyrights_parent = $this->registry->create(Copyright::class, [$copyright_url, $copyright_label]); } elseif ($copyright = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'copyright')) { $copyright_url = null; $copyright_label = null; if (isset($copyright[0]['attribs']['']['url'])) { $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($copyright[0]['data'])) { $copyright_label = $this->sanitize($copyright[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $copyrights_parent = $this->registry->create(Copyright::class, [$copyright_url, $copyright_label]); } // CREDITS if ($credits = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'credit')) { foreach ($credits as $credit) { $credit_role = null; $credit_scheme = null; $credit_name = null; if (isset($credit['attribs']['']['role'])) { $credit_role = $this->sanitize($credit['attribs']['']['role'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($credit['attribs']['']['scheme'])) { $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $credit_scheme = 'urn:ebu'; } if (isset($credit['data'])) { $credit_name = $this->sanitize($credit['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $credits_parent[] = $this->registry->create(Credit::class, [$credit_role, $credit_scheme, $credit_name]); } } elseif ($credits = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'credit')) { foreach ($credits as $credit) { $credit_role = null; $credit_scheme = null; $credit_name = null; if (isset($credit['attribs']['']['role'])) { $credit_role = $this->sanitize($credit['attribs']['']['role'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($credit['attribs']['']['scheme'])) { $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $credit_scheme = 'urn:ebu'; } if (isset($credit['data'])) { $credit_name = $this->sanitize($credit['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $credits_parent[] = $this->registry->create(Credit::class, [$credit_role, $credit_scheme, $credit_name]); } } if (is_array($credits_parent)) { $credits_parent = array_values(array_unique($credits_parent)); } // DESCRIPTION if ($description_parent = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'description')) { if (isset($description_parent[0]['data'])) { $description_parent = $this->sanitize($description_parent[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } } elseif ($description_parent = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'description')) { if (isset($description_parent[0]['data'])) { $description_parent = $this->sanitize($description_parent[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } } // DURATION if ($duration_parent = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'duration')) { $seconds = null; $minutes = null; $hours = null; if (isset($duration_parent[0]['data'])) { $temp = explode(':', $this->sanitize($duration_parent[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT)); if (sizeof($temp) > 0) { $seconds = (int) array_pop($temp); } if (sizeof($temp) > 0) { $minutes = (int) array_pop($temp); $seconds += $minutes * 60; } if (sizeof($temp) > 0) { $hours = (int) array_pop($temp); $seconds += $hours * 3600; } unset($temp); $duration_parent = $seconds; } } // HASHES if ($hashes_iterator = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'hash')) { foreach ($hashes_iterator as $hash) { $value = null; $algo = null; if (isset($hash['data'])) { $value = $this->sanitize($hash['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($hash['attribs']['']['algo'])) { $algo = $this->sanitize($hash['attribs']['']['algo'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $algo = 'md5'; } $hashes_parent[] = $algo.':'.$value; } } elseif ($hashes_iterator = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'hash')) { foreach ($hashes_iterator as $hash) { $value = null; $algo = null; if (isset($hash['data'])) { $value = $this->sanitize($hash['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($hash['attribs']['']['algo'])) { $algo = $this->sanitize($hash['attribs']['']['algo'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $algo = 'md5'; } $hashes_parent[] = $algo.':'.$value; } } if (is_array($hashes_parent)) { $hashes_parent = array_values(array_unique($hashes_parent)); } // KEYWORDS if ($keywords = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'keywords')) { if (isset($keywords[0]['data'])) { $temp = explode(',', $this->sanitize($keywords[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords_parent[] = trim($word); } } unset($temp); } elseif ($keywords = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'keywords')) { if (isset($keywords[0]['data'])) { $temp = explode(',', $this->sanitize($keywords[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords_parent[] = trim($word); } } unset($temp); } elseif ($keywords = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'keywords')) { if (isset($keywords[0]['data'])) { $temp = explode(',', $this->sanitize($keywords[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords_parent[] = trim($word); } } unset($temp); } elseif ($keywords = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'keywords')) { if (isset($keywords[0]['data'])) { $temp = explode(',', $this->sanitize($keywords[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords_parent[] = trim($word); } } unset($temp); } if (is_array($keywords_parent)) { $keywords_parent = array_values(array_unique($keywords_parent)); } // PLAYER if ($player_parent = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'player')) { if (isset($player_parent[0]['attribs']['']['url'])) { $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); } } elseif ($player_parent = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'player')) { if (isset($player_parent[0]['attribs']['']['url'])) { $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); } } // RATINGS if ($ratings = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'rating')) { foreach ($ratings as $rating) { $rating_scheme = null; $rating_value = null; if (isset($rating['attribs']['']['scheme'])) { $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $rating_scheme = 'urn:simple'; } if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $ratings_parent[] = $this->registry->create(Rating::class, [$rating_scheme, $rating_value]); } } elseif ($ratings = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'explicit')) { foreach ($ratings as $rating) { $rating_scheme = 'urn:itunes'; $rating_value = null; if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $ratings_parent[] = $this->registry->create(Rating::class, [$rating_scheme, $rating_value]); } } elseif ($ratings = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'rating')) { foreach ($ratings as $rating) { $rating_scheme = null; $rating_value = null; if (isset($rating['attribs']['']['scheme'])) { $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $rating_scheme = 'urn:simple'; } if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $ratings_parent[] = $this->registry->create(Rating::class, [$rating_scheme, $rating_value]); } } elseif ($ratings = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'explicit')) { foreach ($ratings as $rating) { $rating_scheme = 'urn:itunes'; $rating_value = null; if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $ratings_parent[] = $this->registry->create(Rating::class, [$rating_scheme, $rating_value]); } } if (is_array($ratings_parent)) { $ratings_parent = array_values(array_unique($ratings_parent)); } // RESTRICTIONS if ($restrictions = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'restriction')) { foreach ($restrictions as $restriction) { $restriction_relationship = null; $restriction_type = null; $restriction_value = null; if (isset($restriction['attribs']['']['relationship'])) { $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($restriction['attribs']['']['type'])) { $restriction_type = $this->sanitize($restriction['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($restriction['data'])) { $restriction_value = $this->sanitize($restriction['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $restrictions_parent[] = $this->registry->create(Restriction::class, [$restriction_relationship, $restriction_type, $restriction_value]); } } elseif ($restrictions = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'block')) { foreach ($restrictions as $restriction) { $restriction_relationship = 'allow'; $restriction_type = null; $restriction_value = 'itunes'; if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes') { $restriction_relationship = 'deny'; } $restrictions_parent[] = $this->registry->create(Restriction::class, [$restriction_relationship, $restriction_type, $restriction_value]); } } elseif ($restrictions = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'restriction')) { foreach ($restrictions as $restriction) { $restriction_relationship = null; $restriction_type = null; $restriction_value = null; if (isset($restriction['attribs']['']['relationship'])) { $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($restriction['attribs']['']['type'])) { $restriction_type = $this->sanitize($restriction['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($restriction['data'])) { $restriction_value = $this->sanitize($restriction['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $restrictions_parent[] = $this->registry->create(Restriction::class, [$restriction_relationship, $restriction_type, $restriction_value]); } } elseif ($restrictions = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'block')) { foreach ($restrictions as $restriction) { $restriction_relationship = 'allow'; $restriction_type = null; $restriction_value = 'itunes'; if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes') { $restriction_relationship = 'deny'; } $restrictions_parent[] = $this->registry->create(Restriction::class, [$restriction_relationship, $restriction_type, $restriction_value]); } } if (is_array($restrictions_parent)) { $restrictions_parent = array_values(array_unique($restrictions_parent)); } else { $restrictions_parent = [new \SimplePie\Restriction('allow', null, 'default')]; } // THUMBNAILS if ($thumbnails = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'thumbnail')) { foreach ($thumbnails as $thumbnail) { if (isset($thumbnail['attribs']['']['url'])) { $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); } } } elseif ($thumbnails = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'thumbnail')) { foreach ($thumbnails as $thumbnail) { if (isset($thumbnail['attribs']['']['url'])) { $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); } } } // TITLES if ($title_parent = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'title')) { if (isset($title_parent[0]['data'])) { $title_parent = $this->sanitize($title_parent[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } } elseif ($title_parent = $parent->get_channel_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'title')) { if (isset($title_parent[0]['data'])) { $title_parent = $this->sanitize($title_parent[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } } // Clear the memory unset($parent); // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; // Elements $captions = null; $categories = null; $copyrights = null; $credits = null; $description = null; $hashes = null; $keywords = null; $player = null; $ratings = null; $restrictions = null; $thumbnails = null; $title = null; // If we have media:group tags, loop through them. foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_MEDIARSS, 'group') as $group) { if (isset($group['child']) && isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['content'])) { // If we have media:content tags, loop through them. foreach ((array) $group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['content'] as $content) { if (isset($content['attribs']['']['url'])) { // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; // Elements $captions = null; $categories = null; $copyrights = null; $credits = null; $description = null; $hashes = null; $keywords = null; $player = null; $ratings = null; $restrictions = null; $thumbnails = null; $title = null; // Start checking the attributes of media:content if (isset($content['attribs']['']['bitrate'])) { $bitrate = $this->sanitize($content['attribs']['']['bitrate'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['channels'])) { $channels = $this->sanitize($content['attribs']['']['channels'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['duration'])) { $duration = $this->sanitize($content['attribs']['']['duration'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $duration = $duration_parent; } if (isset($content['attribs']['']['expression'])) { $expression = $this->sanitize($content['attribs']['']['expression'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['framerate'])) { $framerate = $this->sanitize($content['attribs']['']['framerate'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['height'])) { $height = $this->sanitize($content['attribs']['']['height'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['lang'])) { $lang = $this->sanitize($content['attribs']['']['lang'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['fileSize'])) { $length = intval($content['attribs']['']['fileSize']); } if (isset($content['attribs']['']['medium'])) { $medium = $this->sanitize($content['attribs']['']['medium'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['samplingrate'])) { $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['type'])) { $type = $this->sanitize($content['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['width'])) { $width = $this->sanitize($content['attribs']['']['width'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $url = $this->sanitize($content['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); // Checking the other optional media: elements. Priority: media:content, media:group, item, channel // CAPTIONS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['text'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['text'] as $caption) { $caption_type = null; $caption_lang = null; $caption_startTime = null; $caption_endTime = null; $caption_text = null; if (isset($caption['attribs']['']['type'])) { $caption_type = $this->sanitize($caption['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['lang'])) { $caption_lang = $this->sanitize($caption['attribs']['']['lang'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['start'])) { $caption_startTime = $this->sanitize($caption['attribs']['']['start'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['end'])) { $caption_endTime = $this->sanitize($caption['attribs']['']['end'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['data'])) { $caption_text = $this->sanitize($caption['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $captions[] = $this->registry->create(Caption::class, [$caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text]); } if (is_array($captions)) { $captions = array_values(array_unique($captions)); } } elseif (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['text'])) { foreach ($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['text'] as $caption) { $caption_type = null; $caption_lang = null; $caption_startTime = null; $caption_endTime = null; $caption_text = null; if (isset($caption['attribs']['']['type'])) { $caption_type = $this->sanitize($caption['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['lang'])) { $caption_lang = $this->sanitize($caption['attribs']['']['lang'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['start'])) { $caption_startTime = $this->sanitize($caption['attribs']['']['start'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['end'])) { $caption_endTime = $this->sanitize($caption['attribs']['']['end'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['data'])) { $caption_text = $this->sanitize($caption['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $captions[] = $this->registry->create(Caption::class, [$caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text]); } if (is_array($captions)) { $captions = array_values(array_unique($captions)); } } else { $captions = $captions_parent; } // CATEGORIES if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['category'])) { foreach ((array) $content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['category'] as $category) { $term = null; $scheme = null; $label = null; if (isset($category['data'])) { $term = $this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $scheme = 'http://search.yahoo.com/mrss/category_schema'; } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $categories[] = $this->registry->create(Category::class, [$term, $scheme, $label]); } } if (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['category'])) { foreach ((array) $group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['category'] as $category) { $term = null; $scheme = null; $label = null; if (isset($category['data'])) { $term = $this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $scheme = 'http://search.yahoo.com/mrss/category_schema'; } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $categories[] = $this->registry->create(Category::class, [$term, $scheme, $label]); } } if (is_array($categories) && is_array($categories_parent)) { $categories = array_values(array_unique(array_merge($categories, $categories_parent))); } elseif (is_array($categories)) { $categories = array_values(array_unique($categories)); } elseif (is_array($categories_parent)) { $categories = array_values(array_unique($categories_parent)); } // COPYRIGHTS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'])) { $copyright_url = null; $copyright_label = null; if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) { $copyright_url = $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['data'])) { $copyright_label = $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $copyrights = $this->registry->create(Copyright::class, [$copyright_url, $copyright_label]); } elseif (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'])) { $copyright_url = null; $copyright_label = null; if (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) { $copyright_url = $this->sanitize($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['data'])) { $copyright_label = $this->sanitize($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $copyrights = $this->registry->create(Copyright::class, [$copyright_url, $copyright_label]); } else { $copyrights = $copyrights_parent; } // CREDITS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['credit'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['credit'] as $credit) { $credit_role = null; $credit_scheme = null; $credit_name = null; if (isset($credit['attribs']['']['role'])) { $credit_role = $this->sanitize($credit['attribs']['']['role'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($credit['attribs']['']['scheme'])) { $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $credit_scheme = 'urn:ebu'; } if (isset($credit['data'])) { $credit_name = $this->sanitize($credit['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $credits[] = $this->registry->create(Credit::class, [$credit_role, $credit_scheme, $credit_name]); } if (is_array($credits)) { $credits = array_values(array_unique($credits)); } } elseif (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['credit'])) { foreach ($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['credit'] as $credit) { $credit_role = null; $credit_scheme = null; $credit_name = null; if (isset($credit['attribs']['']['role'])) { $credit_role = $this->sanitize($credit['attribs']['']['role'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($credit['attribs']['']['scheme'])) { $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $credit_scheme = 'urn:ebu'; } if (isset($credit['data'])) { $credit_name = $this->sanitize($credit['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $credits[] = $this->registry->create(Credit::class, [$credit_role, $credit_scheme, $credit_name]); } if (is_array($credits)) { $credits = array_values(array_unique($credits)); } } else { $credits = $credits_parent; } // DESCRIPTION if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['description'])) { $description = $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['description'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['description'])) { $description = $this->sanitize($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['description'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $description = $description_parent; } // HASHES if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['hash'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['hash'] as $hash) { $value = null; $algo = null; if (isset($hash['data'])) { $value = $this->sanitize($hash['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($hash['attribs']['']['algo'])) { $algo = $this->sanitize($hash['attribs']['']['algo'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $algo = 'md5'; } $hashes[] = $algo.':'.$value; } if (is_array($hashes)) { $hashes = array_values(array_unique($hashes)); } } elseif (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['hash'])) { foreach ($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['hash'] as $hash) { $value = null; $algo = null; if (isset($hash['data'])) { $value = $this->sanitize($hash['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($hash['attribs']['']['algo'])) { $algo = $this->sanitize($hash['attribs']['']['algo'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $algo = 'md5'; } $hashes[] = $algo.':'.$value; } if (is_array($hashes)) { $hashes = array_values(array_unique($hashes)); } } else { $hashes = $hashes_parent; } // KEYWORDS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['keywords'])) { if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['keywords'][0]['data'])) { $temp = explode(',', $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['keywords'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords[] = trim($word); } unset($temp); } if (is_array($keywords)) { $keywords = array_values(array_unique($keywords)); } } elseif (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['keywords'])) { if (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['keywords'][0]['data'])) { $temp = explode(',', $this->sanitize($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['keywords'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords[] = trim($word); } unset($temp); } if (is_array($keywords)) { $keywords = array_values(array_unique($keywords)); } } else { $keywords = $keywords_parent; } // PLAYER if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['player'])) { $player = $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); } elseif (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['player'])) { $player = $this->sanitize($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); } else { $player = $player_parent; } // RATINGS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['rating'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['rating'] as $rating) { $rating_scheme = null; $rating_value = null; if (isset($rating['attribs']['']['scheme'])) { $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $rating_scheme = 'urn:simple'; } if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $ratings[] = $this->registry->create(Rating::class, [$rating_scheme, $rating_value]); } if (is_array($ratings)) { $ratings = array_values(array_unique($ratings)); } } elseif (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['rating'])) { foreach ($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['rating'] as $rating) { $rating_scheme = null; $rating_value = null; if (isset($rating['attribs']['']['scheme'])) { $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $rating_scheme = 'urn:simple'; } if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $ratings[] = $this->registry->create(Rating::class, [$rating_scheme, $rating_value]); } if (is_array($ratings)) { $ratings = array_values(array_unique($ratings)); } } else { $ratings = $ratings_parent; } // RESTRICTIONS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['restriction'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['restriction'] as $restriction) { $restriction_relationship = null; $restriction_type = null; $restriction_value = null; if (isset($restriction['attribs']['']['relationship'])) { $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($restriction['attribs']['']['type'])) { $restriction_type = $this->sanitize($restriction['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($restriction['data'])) { $restriction_value = $this->sanitize($restriction['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $restrictions[] = $this->registry->create(Restriction::class, [$restriction_relationship, $restriction_type, $restriction_value]); } if (is_array($restrictions)) { $restrictions = array_values(array_unique($restrictions)); } } elseif (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['restriction'])) { foreach ($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['restriction'] as $restriction) { $restriction_relationship = null; $restriction_type = null; $restriction_value = null; if (isset($restriction['attribs']['']['relationship'])) { $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($restriction['attribs']['']['type'])) { $restriction_type = $this->sanitize($restriction['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($restriction['data'])) { $restriction_value = $this->sanitize($restriction['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $restrictions[] = $this->registry->create(Restriction::class, [$restriction_relationship, $restriction_type, $restriction_value]); } if (is_array($restrictions)) { $restrictions = array_values(array_unique($restrictions)); } } else { $restrictions = $restrictions_parent; } // THUMBNAILS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['thumbnail'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) { $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); } if (is_array($thumbnails)) { $thumbnails = array_values(array_unique($thumbnails)); } } elseif (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['thumbnail'])) { foreach ($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) { $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); } if (is_array($thumbnails)) { $thumbnails = array_values(array_unique($thumbnails)); } } else { $thumbnails = $thumbnails_parent; } // TITLES if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['title'])) { $title = $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['title'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif (isset($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['title'])) { $title = $this->sanitize($group['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['title'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $title = $title_parent; } $this->data['enclosures'][] = $this->registry->create(Enclosure::class, [$url, $type, $length, null, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width]); } } } } // If we have standalone media:content tags, loop through them. if (isset($this->data['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['content'])) { foreach ((array) $this->data['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['content'] as $content) { if (isset($content['attribs']['']['url']) || isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['player'])) { // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; // Elements $captions = null; $categories = null; $copyrights = null; $credits = null; $description = null; $hashes = null; $keywords = null; $player = null; $ratings = null; $restrictions = null; $thumbnails = null; $title = null; // Start checking the attributes of media:content if (isset($content['attribs']['']['bitrate'])) { $bitrate = $this->sanitize($content['attribs']['']['bitrate'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['channels'])) { $channels = $this->sanitize($content['attribs']['']['channels'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['duration'])) { $duration = $this->sanitize($content['attribs']['']['duration'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $duration = $duration_parent; } if (isset($content['attribs']['']['expression'])) { $expression = $this->sanitize($content['attribs']['']['expression'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['framerate'])) { $framerate = $this->sanitize($content['attribs']['']['framerate'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['height'])) { $height = $this->sanitize($content['attribs']['']['height'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['lang'])) { $lang = $this->sanitize($content['attribs']['']['lang'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['fileSize'])) { $length = intval($content['attribs']['']['fileSize']); } if (isset($content['attribs']['']['medium'])) { $medium = $this->sanitize($content['attribs']['']['medium'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['samplingrate'])) { $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['type'])) { $type = $this->sanitize($content['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['width'])) { $width = $this->sanitize($content['attribs']['']['width'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['attribs']['']['url'])) { $url = $this->sanitize($content['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); } // Checking the other optional media: elements. Priority: media:content, media:group, item, channel // CAPTIONS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['text'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['text'] as $caption) { $caption_type = null; $caption_lang = null; $caption_startTime = null; $caption_endTime = null; $caption_text = null; if (isset($caption['attribs']['']['type'])) { $caption_type = $this->sanitize($caption['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['lang'])) { $caption_lang = $this->sanitize($caption['attribs']['']['lang'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['start'])) { $caption_startTime = $this->sanitize($caption['attribs']['']['start'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['end'])) { $caption_endTime = $this->sanitize($caption['attribs']['']['end'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($caption['data'])) { $caption_text = $this->sanitize($caption['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $captions[] = $this->registry->create(Caption::class, [$caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text]); } if (is_array($captions)) { $captions = array_values(array_unique($captions)); } } else { $captions = $captions_parent; } // CATEGORIES if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['category'])) { foreach ((array) $content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['category'] as $category) { $term = null; $scheme = null; $label = null; if (isset($category['data'])) { $term = $this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $scheme = 'http://search.yahoo.com/mrss/category_schema'; } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $categories[] = $this->registry->create(Category::class, [$term, $scheme, $label]); } } if (is_array($categories) && is_array($categories_parent)) { $categories = array_values(array_unique(array_merge($categories, $categories_parent))); } elseif (is_array($categories)) { $categories = array_values(array_unique($categories)); } elseif (is_array($categories_parent)) { $categories = array_values(array_unique($categories_parent)); } else { $categories = null; } // COPYRIGHTS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'])) { $copyright_url = null; $copyright_label = null; if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) { $copyright_url = $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['data'])) { $copyright_label = $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['copyright'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $copyrights = $this->registry->create(Copyright::class, [$copyright_url, $copyright_label]); } else { $copyrights = $copyrights_parent; } // CREDITS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['credit'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['credit'] as $credit) { $credit_role = null; $credit_scheme = null; $credit_name = null; if (isset($credit['attribs']['']['role'])) { $credit_role = $this->sanitize($credit['attribs']['']['role'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($credit['attribs']['']['scheme'])) { $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $credit_scheme = 'urn:ebu'; } if (isset($credit['data'])) { $credit_name = $this->sanitize($credit['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $credits[] = $this->registry->create(Credit::class, [$credit_role, $credit_scheme, $credit_name]); } if (is_array($credits)) { $credits = array_values(array_unique($credits)); } } else { $credits = $credits_parent; } // DESCRIPTION if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['description'])) { $description = $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['description'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $description = $description_parent; } // HASHES if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['hash'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['hash'] as $hash) { $value = null; $algo = null; if (isset($hash['data'])) { $value = $this->sanitize($hash['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($hash['attribs']['']['algo'])) { $algo = $this->sanitize($hash['attribs']['']['algo'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $algo = 'md5'; } $hashes[] = $algo.':'.$value; } if (is_array($hashes)) { $hashes = array_values(array_unique($hashes)); } } else { $hashes = $hashes_parent; } // KEYWORDS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['keywords'])) { if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['keywords'][0]['data'])) { $temp = explode(',', $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['keywords'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords[] = trim($word); } unset($temp); } if (is_array($keywords)) { $keywords = array_values(array_unique($keywords)); } } else { $keywords = $keywords_parent; } // PLAYER if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['player'])) { if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'])) { $player = $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); } } else { $player = $player_parent; } // RATINGS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['rating'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['rating'] as $rating) { $rating_scheme = null; $rating_value = null; if (isset($rating['attribs']['']['scheme'])) { $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $rating_scheme = 'urn:simple'; } if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $ratings[] = $this->registry->create(Rating::class, [$rating_scheme, $rating_value]); } if (is_array($ratings)) { $ratings = array_values(array_unique($ratings)); } } else { $ratings = $ratings_parent; } // RESTRICTIONS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['restriction'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['restriction'] as $restriction) { $restriction_relationship = null; $restriction_type = null; $restriction_value = null; if (isset($restriction['attribs']['']['relationship'])) { $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($restriction['attribs']['']['type'])) { $restriction_type = $this->sanitize($restriction['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($restriction['data'])) { $restriction_value = $this->sanitize($restriction['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $restrictions[] = $this->registry->create(Restriction::class, [$restriction_relationship, $restriction_type, $restriction_value]); } if (is_array($restrictions)) { $restrictions = array_values(array_unique($restrictions)); } } else { $restrictions = $restrictions_parent; } // THUMBNAILS if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['thumbnail'])) { foreach ($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) { if (isset($thumbnail['attribs']['']['url'])) { $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI); } } if (is_array($thumbnails)) { $thumbnails = array_values(array_unique($thumbnails)); } } else { $thumbnails = $thumbnails_parent; } // TITLES if (isset($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['title'])) { $title = $this->sanitize($content['child'][\SimplePie\SimplePie::NAMESPACE_MEDIARSS]['title'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $title = $title_parent; } $this->data['enclosures'][] = $this->registry->create(Enclosure::class, [$url, $type, $length, null, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width]); } } } foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'link') as $link) { if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure') { // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; $url = $this->sanitize($link['attribs']['']['href'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($link)); if (isset($link['attribs']['']['type'])) { $type = $this->sanitize($link['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($link['attribs']['']['length'])) { $length = intval($link['attribs']['']['length']); } if (isset($link['attribs']['']['title'])) { $title = $this->sanitize($link['attribs']['']['title'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $title = $title_parent; } // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor $this->data['enclosures'][] = $this->registry->create(Enclosure::class, [$url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title, $width]); } } foreach ((array) $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'link') as $link) { if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure') { // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; $url = $this->sanitize($link['attribs']['']['href'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($link)); if (isset($link['attribs']['']['type'])) { $type = $this->sanitize($link['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($link['attribs']['']['length'])) { $length = intval($link['attribs']['']['length']); } // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor $this->data['enclosures'][] = $this->registry->create(Enclosure::class, [$url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width]); } } foreach ($this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'enclosure') ?? [] as $enclosure) { if (isset($enclosure['attribs']['']['url'])) { // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; $url = $this->sanitize($enclosure['attribs']['']['url'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($enclosure)); $url = $this->feed->sanitize->https_url($url); if (isset($enclosure['attribs']['']['type'])) { $type = $this->sanitize($enclosure['attribs']['']['type'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($enclosure['attribs']['']['length'])) { $length = intval($enclosure['attribs']['']['length']); } // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor $this->data['enclosures'][] = $this->registry->create(Enclosure::class, [$url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width]); } } if (sizeof($this->data['enclosures']) === 0 && ($url || $type || $length || $bitrate || $captions_parent || $categories_parent || $channels || $copyrights_parent || $credits_parent || $description_parent || $duration_parent || $expression || $framerate || $hashes_parent || $height || $keywords_parent || $lang || $medium || $player_parent || $ratings_parent || $restrictions_parent || $samplingrate || $thumbnails_parent || $title_parent || $width)) { // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor $this->data['enclosures'][] = $this->registry->create(Enclosure::class, [$url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width]); } $this->data['enclosures'] = array_values(array_unique($this->data['enclosures'])); } if (!empty($this->data['enclosures'])) { return $this->data['enclosures']; } return null; } /** * Get the latitude coordinates for the item * * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications * * Uses `<geo:lat>` or `<georss:point>` * * @since 1.0 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo * @link http://www.georss.org/ GeoRSS * @return string|null */ public function get_latitude() { if ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_W3C_BASIC_GEO, 'lat')) { return (float) $return[0]['data']; } elseif (($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) { return (float) $match[1]; } return null; } /** * Get the longitude coordinates for the item * * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications * * Uses `<geo:long>`, `<geo:lon>` or `<georss:point>` * * @since 1.0 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo * @link http://www.georss.org/ GeoRSS * @return string|null */ public function get_longitude() { if ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_W3C_BASIC_GEO, 'long')) { return (float) $return[0]['data']; } elseif ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_W3C_BASIC_GEO, 'lon')) { return (float) $return[0]['data']; } elseif (($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) { return (float) $match[2]; } return null; } /** * Get the `<atom:source>` for the item * * @since 1.1 * @return \SimplePie\Source|null */ public function get_source() { if ($return = $this->get_item_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'source')) { return $this->registry->create(Source::class, [$this, $return[0]]); } return null; } } class_alias('SimplePie\Item', 'SimplePie_Item'); Source.php 0000604 00000057305 14717745057 0006544 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Handles `<atom:source>` * * Used by {@see \SimplePie\Item::get_source()} * * This class can be overloaded with {@see \SimplePie::set_source_class()} * * @package SimplePie * @subpackage API */ class Source implements RegistryAware { public $item; public $data = []; protected $registry; public function __construct($item, $data) { $this->item = $item; $this->data = $data; } public function set_registry(\SimplePie\Registry $registry)/* : void */ { $this->registry = $registry; } public function __toString() { return md5(serialize($this->data)); } public function get_source_tags($namespace, $tag) { if (isset($this->data['child'][$namespace][$tag])) { return $this->data['child'][$namespace][$tag]; } return null; } public function get_base($element = []) { return $this->item->get_base($element); } public function sanitize($data, $type, $base = '') { return $this->item->sanitize($data, $type, $base); } public function get_item() { return $this->item; } public function get_title() { if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'title')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'title')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_10, 'title')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_090, 'title')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'title')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'title')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'title')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } return null; } public function get_category($key = 0) { $categories = $this->get_categories(); if (isset($categories[$key])) { return $categories[$key]; } return null; } public function get_categories() { $categories = []; foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'category') as $category) { $term = null; $scheme = null; $label = null; if (isset($category['attribs']['']['term'])) { $term = $this->sanitize($category['attribs']['']['term'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } $categories[] = $this->registry->create(Category::class, [$term, $scheme, $label]); } foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'category') as $category) { // This is really the label, but keep this as the term also for BC. // Label will also work on retrieving because that falls back to term. $term = $this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); if (isset($category['attribs']['']['domain'])) { $scheme = $this->sanitize($category['attribs']['']['domain'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } else { $scheme = null; } $categories[] = $this->registry->create(Category::class, [$term, $scheme, null]); } foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'subject') as $category) { $categories[] = $this->registry->create(Category::class, [$this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]); } foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'subject') as $category) { $categories[] = $this->registry->create(Category::class, [$this->sanitize($category['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]); } if (!empty($categories)) { return array_unique($categories); } return null; } public function get_author($key = 0) { $authors = $this->get_authors(); if (isset($authors[$key])) { return $authors[$key]; } return null; } public function get_authors() { $authors = []; foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'author') as $author) { $name = null; $uri = null; $email = null; if (isset($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'])) { $name = $this->sanitize($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0]['data'])) { $uri = $this->sanitize($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0])); } if (isset($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'])) { $email = $this->sanitize($author['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $uri !== null) { $authors[] = $this->registry->create(Author::class, [$name, $uri, $email]); } } if ($author = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'author')) { $name = null; $url = null; $email = null; if (isset($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'])) { $name = $this->sanitize($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0]['data'])) { $url = $this->sanitize($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0])); } if (isset($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'])) { $email = $this->sanitize($author[0]['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $url !== null) { $authors[] = $this->registry->create(Author::class, [$name, $url, $email]); } } foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'creator') as $author) { $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]); } foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'creator') as $author) { $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]); } foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'author') as $author) { $authors[] = $this->registry->create(Author::class, [$this->sanitize($author['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT), null, null]); } if (!empty($authors)) { return array_unique($authors); } return null; } public function get_contributor($key = 0) { $contributors = $this->get_contributors(); if (isset($contributors[$key])) { return $contributors[$key]; } return null; } public function get_contributors() { $contributors = []; foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'contributor') as $contributor) { $name = null; $uri = null; $email = null; if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'])) { $name = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0]['data'])) { $uri = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['uri'][0])); } if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'])) { $email = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $uri !== null) { $contributors[] = $this->registry->create(Author::class, [$name, $uri, $email]); } } foreach ((array) $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'contributor') as $contributor) { $name = null; $url = null; $email = null; if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'])) { $name = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['name'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0]['data'])) { $url = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['url'][0])); } if (isset($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'])) { $email = $this->sanitize($contributor['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['email'][0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $url !== null) { $contributors[] = $this->registry->create(Author::class, [$name, $url, $email]); } } if (!empty($contributors)) { return array_unique($contributors); } return null; } public function get_link($key = 0, $rel = 'alternate') { $links = $this->get_links($rel); if (isset($links[$key])) { return $links[$key]; } return null; } /** * Added for parity between the parent-level and the item/entry-level. */ public function get_permalink() { return $this->get_link(0); } public function get_links($rel = 'alternate') { if (!isset($this->data['links'])) { $this->data['links'] = []; if ($links = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'link')) { foreach ($links as $link) { if (isset($link['attribs']['']['href'])) { $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($link)); } } } if ($links = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'link')) { foreach ($links as $link) { if (isset($link['attribs']['']['href'])) { $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($link)); } } } if ($links = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_10, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_090, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($links[0])); } $keys = array_keys($this->data['links']); foreach ($keys as $key) { if ($this->registry->call(Misc::class, 'is_isegment_nz_nc', [$key])) { if (isset($this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key])) { $this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key]); $this->data['links'][$key] = &$this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key]; } else { $this->data['links'][\SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY . $key] = &$this->data['links'][$key]; } } elseif (substr($key, 0, 41) === \SimplePie\SimplePie::IANA_LINK_RELATIONS_REGISTRY) { $this->data['links'][substr($key, 41)] = &$this->data['links'][$key]; } $this->data['links'][$key] = array_unique($this->data['links'][$key]); } } if (isset($this->data['links'][$rel])) { return $this->data['links'][$rel]; } return null; } public function get_description() { if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'subtitle')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'tagline')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_10, 'description')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_090, 'description')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'description')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'description')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'description')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'summary')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'subtitle')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_HTML, $this->get_base($return[0])); } return null; } public function get_copyright() { if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'rights')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_10_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_03, 'copyright')) { return $this->sanitize($return[0]['data'], $this->registry->call(Misc::class, 'atom_03_construct_type', [$return[0]['attribs']]), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'copyright')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'rights')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'rights')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } return null; } public function get_language() { if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_RSS_20, 'language')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_11, 'language')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_DC_10, 'language')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } elseif (isset($this->data['xml_lang'])) { return $this->sanitize($this->data['xml_lang'], \SimplePie\SimplePie::CONSTRUCT_TEXT); } return null; } public function get_latitude() { if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_W3C_BASIC_GEO, 'lat')) { return (float) $return[0]['data']; } elseif (($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) { return (float) $match[1]; } return null; } public function get_longitude() { if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_W3C_BASIC_GEO, 'long')) { return (float) $return[0]['data']; } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_W3C_BASIC_GEO, 'lon')) { return (float) $return[0]['data']; } elseif (($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) { return (float) $match[2]; } return null; } public function get_image_url() { if ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ITUNES, 'image')) { return $this->sanitize($return[0]['attribs']['']['href'], \SimplePie\SimplePie::CONSTRUCT_IRI); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'logo')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(\SimplePie\SimplePie::NAMESPACE_ATOM_10, 'icon')) { return $this->sanitize($return[0]['data'], \SimplePie\SimplePie::CONSTRUCT_IRI, $this->get_base($return[0])); } return null; } } class_alias('SimplePie\Source', 'SimplePie_Source'); Registry.php 0000604 00000020766 14717745057 0007115 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; use SimplePie\Content\Type\Sniffer; use SimplePie\Parse\Date; use SimplePie\XML\Declaration\Parser as DeclarationParser; /** * Handles creating objects and calling methods * * Access this via {@see \SimplePie\SimplePie::get_registry()} * * @package SimplePie */ class Registry { /** * Default class mapping * * Overriding classes *must* subclass these. * * @var array<class-string, class-string> */ protected $default = [ Cache::class => Cache::class, Locator::class => Locator::class, Parser::class => Parser::class, File::class => File::class, Sanitize::class => Sanitize::class, Item::class => Item::class, Author::class => Author::class, Category::class => Category::class, Enclosure::class => Enclosure::class, Caption::class => Caption::class, Copyright::class => Copyright::class, Credit::class => Credit::class, Rating::class => Rating::class, Restriction::class => Restriction::class, Sniffer::class => Sniffer::class, Source::class => Source::class, Misc::class => Misc::class, DeclarationParser::class => DeclarationParser::class, Date::class => Date::class, ]; /** * Class mapping * * @see register() * @var array */ protected $classes = []; /** * Legacy classes * * @see register() * @var array<class-string> */ protected $legacy = []; /** * Legacy types * * @see register() * @var array<string, class-string> */ private $legacyTypes = [ 'Cache' => Cache::class, 'Locator' => Locator::class, 'Parser' => Parser::class, 'File' => File::class, 'Sanitize' => Sanitize::class, 'Item' => Item::class, 'Author' => Author::class, 'Category' => Category::class, 'Enclosure' => Enclosure::class, 'Caption' => Caption::class, 'Copyright' => Copyright::class, 'Credit' => Credit::class, 'Rating' => Rating::class, 'Restriction' => Restriction::class, 'Content_Type_Sniffer' => Sniffer::class, 'Source' => Source::class, 'Misc' => Misc::class, 'XML_Declaration_Parser' => DeclarationParser::class, 'Parse_Date' => Date::class, ]; /** * Constructor * * No-op */ public function __construct() { } /** * Register a class * * @param string $type See {@see $default} for names * @param class-string $class Class name, must subclass the corresponding default * @param bool $legacy Whether to enable legacy support for this class * @return bool Successfulness */ public function register($type, $class, $legacy = false) { if (array_key_exists($type, $this->legacyTypes)) { // trigger_error(sprintf('"%s"(): Using argument #1 ($type) with value "%s" is deprecated since SimplePie 1.8.0, use class-string "%s" instead.', __METHOD__, $type, $this->legacyTypes[$type]), \E_USER_DEPRECATED); $type = $this->legacyTypes[$type]; } if (!array_key_exists($type, $this->default)) { return false; } if (!class_exists($class)) { return false; } /** @var string */ $base_class = $this->default[$type]; if (!is_subclass_of($class, $base_class)) { return false; } $this->classes[$type] = $class; if ($legacy) { $this->legacy[] = $class; } return true; } /** * Get the class registered for a type * * Where possible, use {@see create()} or {@see call()} instead * * @template T * @param class-string<T> $type * @return class-string<T>|null */ public function get_class($type) { if (array_key_exists($type, $this->legacyTypes)) { // trigger_error(sprintf('"%s"(): Using argument #1 ($type) with value "%s" is deprecated since SimplePie 1.8.0, use class-string "%s" instead.', __METHOD__, $type, $this->legacyTypes[$type]), \E_USER_DEPRECATED); $type = $this->legacyTypes[$type]; } if (!array_key_exists($type, $this->default)) { return null; } $class = $this->default[$type]; if (array_key_exists($type, $this->classes)) { $class = $this->classes[$type]; } return $class; } /** * Create a new instance of a given type * * @template T class-string $type * @param class-string<T> $type * @param array $parameters Parameters to pass to the constructor * @return T Instance of class */ public function &create($type, $parameters = []) { $class = $this->get_class($type); if (!method_exists($class, '__construct')) { $instance = new $class(); } else { $reflector = new \ReflectionClass($class); $instance = $reflector->newInstanceArgs($parameters); } if ($instance instanceof RegistryAware) { $instance->set_registry($this); } elseif (method_exists($instance, 'set_registry')) { trigger_error(sprintf('Using the method "set_registry()" without implementing "%s" is deprecated since SimplePie 1.8.0, implement "%s" in "%s".', RegistryAware::class, RegistryAware::class, $class), \E_USER_DEPRECATED); $instance->set_registry($this); } return $instance; } /** * Call a static method for a type * * @param class-string $type * @param string $method * @param array $parameters * @return mixed */ public function &call($type, $method, $parameters = []) { $class = $this->get_class($type); if (in_array($class, $this->legacy)) { switch ($type) { case Cache::class: // For backwards compatibility with old non-static // Cache::create() methods in PHP < 8.0. // No longer supported as of PHP 8.0. if ($method === 'get_handler') { $result = @call_user_func_array([$class, 'create'], $parameters); return $result; } break; } } $result = call_user_func_array([$class, $method], $parameters); return $result; } } class_alias('SimplePie\Registry', 'SimplePie_Registry'); Rating.php 0000604 00000007151 14717745057 0006522 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Handles `<media:rating>` or `<itunes:explicit>` tags as defined in Media RSS and iTunes RSS respectively * * Used by {@see \SimplePie\Enclosure::get_rating()} and {@see \SimplePie\Enclosure::get_ratings()} * * This class can be overloaded with {@see \SimplePie\SimplePie::set_rating_class()} * * @package SimplePie * @subpackage API */ class Rating { /** * Rating scheme * * @var string * @see get_scheme() */ public $scheme; /** * Rating value * * @var string * @see get_value() */ public $value; /** * Constructor, used to input the data * * For documentation on all the parameters, see the corresponding * properties and their accessors */ public function __construct($scheme = null, $value = null) { $this->scheme = $scheme; $this->value = $value; } /** * String-ified version * * @return string */ public function __toString() { // There is no $this->data here return md5(serialize($this)); } /** * Get the organizational scheme for the rating * * @return string|null */ public function get_scheme() { if ($this->scheme !== null) { return $this->scheme; } return null; } /** * Get the value of the rating * * @return string|null */ public function get_value() { if ($this->value !== null) { return $this->value; } return null; } } class_alias('SimplePie\Rating', 'SimplePie_Rating'); Copyright.php 0000604 00000007031 14717745057 0007243 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Manages `<media:copyright>` copyright tags as defined in Media RSS * * Used by {@see \SimplePie\Enclosure::get_copyright()} * * This class can be overloaded with {@see \SimplePie\SimplePie::set_copyright_class()} * * @package SimplePie * @subpackage API */ class Copyright { /** * Copyright URL * * @var string * @see get_url() */ public $url; /** * Attribution * * @var string * @see get_attribution() */ public $label; /** * Constructor, used to input the data * * For documentation on all the parameters, see the corresponding * properties and their accessors */ public function __construct($url = null, $label = null) { $this->url = $url; $this->label = $label; } /** * String-ified version * * @return string */ public function __toString() { // There is no $this->data here return md5(serialize($this)); } /** * Get the copyright URL * * @return string|null URL to copyright information */ public function get_url() { if ($this->url !== null) { return $this->url; } return null; } /** * Get the attribution text * * @return string|null */ public function get_attribution() { if ($this->label !== null) { return $this->label; } return null; } } class_alias('SimplePie\Copyright', 'SimplePie_Copyright'); Exception.php 0000604 00000004333 14717745057 0007233 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; use Exception as NativeException; /** * General SimplePie exception class * * @package SimplePie */ class Exception extends NativeException { } class_alias('SimplePie\Exception', 'SimplePie_Exception'); Misc.php 0000604 00000206032 14717745057 0006170 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; use SimplePie\XML\Declaration\Parser; /** * Miscellaneous utilities * * @package SimplePie */ class Misc { private static $SIMPLEPIE_BUILD = null; public static function time_hms($seconds) { $time = ''; $hours = floor($seconds / 3600); $remainder = $seconds % 3600; if ($hours > 0) { $time .= $hours.':'; } $minutes = floor($remainder / 60); $seconds = $remainder % 60; if ($minutes < 10 && $hours > 0) { $minutes = '0' . $minutes; } if ($seconds < 10) { $seconds = '0' . $seconds; } $time .= $minutes.':'; $time .= $seconds; return $time; } public static function absolutize_url($relative, $base) { $iri = \SimplePie\IRI::absolutize(new \SimplePie\IRI($base), $relative); if ($iri === false) { return false; } return $iri->get_uri(); } /** * Get a HTML/XML element from a HTML string * * @deprecated since SimplePie 1.3, use DOMDocument instead (parsing HTML with regex is bad!) * @param string $realname Element name (including namespace prefix if applicable) * @param string $string HTML document * @return array */ public static function get_element($realname, $string) { // trigger_error(sprintf('Using method "' . __METHOD__ . '" is deprecated since SimplePie 1.3, use "DOMDocument" instead.'), \E_USER_DEPRECATED); $return = []; $name = preg_quote($realname, '/'); if (preg_match_all("/<($name)" . \SimplePie\SimplePie::PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$name>|(\/)?>)/siU", $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) { for ($i = 0, $total_matches = count($matches); $i < $total_matches; $i++) { $return[$i]['tag'] = $realname; $return[$i]['full'] = $matches[$i][0][0]; $return[$i]['offset'] = $matches[$i][0][1]; if (strlen($matches[$i][3][0]) <= 2) { $return[$i]['self_closing'] = true; } else { $return[$i]['self_closing'] = false; $return[$i]['content'] = $matches[$i][4][0]; } $return[$i]['attribs'] = []; if (isset($matches[$i][2][0]) && preg_match_all('/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"([^"]*)"|\'([^\']*)\'|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/', ' ' . $matches[$i][2][0] . ' ', $attribs, PREG_SET_ORDER)) { for ($j = 0, $total_attribs = count($attribs); $j < $total_attribs; $j++) { if (count($attribs[$j]) === 2) { $attribs[$j][2] = $attribs[$j][1]; } $return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = Misc::entities_decode(end($attribs[$j])); } } } } return $return; } public static function element_implode($element) { $full = "<$element[tag]"; foreach ($element['attribs'] as $key => $value) { $key = strtolower($key); $full .= " $key=\"" . htmlspecialchars($value['data'], ENT_COMPAT, 'UTF-8') . '"'; } if ($element['self_closing']) { $full .= ' />'; } else { $full .= ">$element[content]</$element[tag]>"; } return $full; } public static function error($message, $level, $file, $line) { if ((error_reporting() & $level) > 0) { switch ($level) { case E_USER_ERROR: $note = 'PHP Error'; break; case E_USER_WARNING: $note = 'PHP Warning'; break; case E_USER_NOTICE: $note = 'PHP Notice'; break; default: $note = 'Unknown Error'; break; } $log_error = true; if (!function_exists('error_log')) { $log_error = false; } $log_file = @ini_get('error_log'); if (!empty($log_file) && ('syslog' !== $log_file) && !@is_writable($log_file)) { $log_error = false; } if ($log_error) { @error_log("$note: $message in $file on line $line", 0); } } return $message; } public static function fix_protocol($url, $http = 1) { $url = Misc::normalize_url($url); $parsed = Misc::parse_url($url); if ($parsed['scheme'] !== '' && $parsed['scheme'] !== 'http' && $parsed['scheme'] !== 'https') { return Misc::fix_protocol(Misc::compress_parse_url('http', $parsed['authority'], $parsed['path'], $parsed['query'], $parsed['fragment']), $http); } if ($parsed['scheme'] === '' && $parsed['authority'] === '' && !file_exists($url)) { return Misc::fix_protocol(Misc::compress_parse_url('http', $parsed['path'], '', $parsed['query'], $parsed['fragment']), $http); } if ($http === 2 && $parsed['scheme'] !== '') { return "feed:$url"; } elseif ($http === 3 && strtolower($parsed['scheme']) === 'http') { return substr_replace($url, 'podcast', 0, 4); } elseif ($http === 4 && strtolower($parsed['scheme']) === 'http') { return substr_replace($url, 'itpc', 0, 4); } return $url; } /** * @deprecated since SimplePie 1.8.0, use PHP native array_replace_recursive() instead. */ public static function array_merge_recursive($array1, $array2) { foreach ($array2 as $key => $value) { if (is_array($value)) { $array1[$key] = Misc::array_merge_recursive($array1[$key], $value); } else { $array1[$key] = $value; } } return $array1; } public static function parse_url($url) { $iri = new \SimplePie\IRI($url); return [ 'scheme' => (string) $iri->scheme, 'authority' => (string) $iri->authority, 'path' => (string) $iri->path, 'query' => (string) $iri->query, 'fragment' => (string) $iri->fragment ]; } public static function compress_parse_url($scheme = '', $authority = '', $path = '', $query = '', $fragment = '') { $iri = new \SimplePie\IRI(''); $iri->scheme = $scheme; $iri->authority = $authority; $iri->path = $path; $iri->query = $query; $iri->fragment = $fragment; return $iri->get_uri(); } public static function normalize_url($url) { $iri = new \SimplePie\IRI($url); return $iri->get_uri(); } public static function percent_encoding_normalization($match) { $integer = hexdec($match[1]); if ($integer >= 0x41 && $integer <= 0x5A || $integer >= 0x61 && $integer <= 0x7A || $integer >= 0x30 && $integer <= 0x39 || $integer === 0x2D || $integer === 0x2E || $integer === 0x5F || $integer === 0x7E) { return chr($integer); } return strtoupper($match[0]); } /** * Converts a Windows-1252 encoded string to a UTF-8 encoded string * * @static * @param string $string Windows-1252 encoded string * @return string UTF-8 encoded string */ public static function windows_1252_to_utf8($string) { static $convert_table = ["\x80" => "\xE2\x82\xAC", "\x81" => "\xEF\xBF\xBD", "\x82" => "\xE2\x80\x9A", "\x83" => "\xC6\x92", "\x84" => "\xE2\x80\x9E", "\x85" => "\xE2\x80\xA6", "\x86" => "\xE2\x80\xA0", "\x87" => "\xE2\x80\xA1", "\x88" => "\xCB\x86", "\x89" => "\xE2\x80\xB0", "\x8A" => "\xC5\xA0", "\x8B" => "\xE2\x80\xB9", "\x8C" => "\xC5\x92", "\x8D" => "\xEF\xBF\xBD", "\x8E" => "\xC5\xBD", "\x8F" => "\xEF\xBF\xBD", "\x90" => "\xEF\xBF\xBD", "\x91" => "\xE2\x80\x98", "\x92" => "\xE2\x80\x99", "\x93" => "\xE2\x80\x9C", "\x94" => "\xE2\x80\x9D", "\x95" => "\xE2\x80\xA2", "\x96" => "\xE2\x80\x93", "\x97" => "\xE2\x80\x94", "\x98" => "\xCB\x9C", "\x99" => "\xE2\x84\xA2", "\x9A" => "\xC5\xA1", "\x9B" => "\xE2\x80\xBA", "\x9C" => "\xC5\x93", "\x9D" => "\xEF\xBF\xBD", "\x9E" => "\xC5\xBE", "\x9F" => "\xC5\xB8", "\xA0" => "\xC2\xA0", "\xA1" => "\xC2\xA1", "\xA2" => "\xC2\xA2", "\xA3" => "\xC2\xA3", "\xA4" => "\xC2\xA4", "\xA5" => "\xC2\xA5", "\xA6" => "\xC2\xA6", "\xA7" => "\xC2\xA7", "\xA8" => "\xC2\xA8", "\xA9" => "\xC2\xA9", "\xAA" => "\xC2\xAA", "\xAB" => "\xC2\xAB", "\xAC" => "\xC2\xAC", "\xAD" => "\xC2\xAD", "\xAE" => "\xC2\xAE", "\xAF" => "\xC2\xAF", "\xB0" => "\xC2\xB0", "\xB1" => "\xC2\xB1", "\xB2" => "\xC2\xB2", "\xB3" => "\xC2\xB3", "\xB4" => "\xC2\xB4", "\xB5" => "\xC2\xB5", "\xB6" => "\xC2\xB6", "\xB7" => "\xC2\xB7", "\xB8" => "\xC2\xB8", "\xB9" => "\xC2\xB9", "\xBA" => "\xC2\xBA", "\xBB" => "\xC2\xBB", "\xBC" => "\xC2\xBC", "\xBD" => "\xC2\xBD", "\xBE" => "\xC2\xBE", "\xBF" => "\xC2\xBF", "\xC0" => "\xC3\x80", "\xC1" => "\xC3\x81", "\xC2" => "\xC3\x82", "\xC3" => "\xC3\x83", "\xC4" => "\xC3\x84", "\xC5" => "\xC3\x85", "\xC6" => "\xC3\x86", "\xC7" => "\xC3\x87", "\xC8" => "\xC3\x88", "\xC9" => "\xC3\x89", "\xCA" => "\xC3\x8A", "\xCB" => "\xC3\x8B", "\xCC" => "\xC3\x8C", "\xCD" => "\xC3\x8D", "\xCE" => "\xC3\x8E", "\xCF" => "\xC3\x8F", "\xD0" => "\xC3\x90", "\xD1" => "\xC3\x91", "\xD2" => "\xC3\x92", "\xD3" => "\xC3\x93", "\xD4" => "\xC3\x94", "\xD5" => "\xC3\x95", "\xD6" => "\xC3\x96", "\xD7" => "\xC3\x97", "\xD8" => "\xC3\x98", "\xD9" => "\xC3\x99", "\xDA" => "\xC3\x9A", "\xDB" => "\xC3\x9B", "\xDC" => "\xC3\x9C", "\xDD" => "\xC3\x9D", "\xDE" => "\xC3\x9E", "\xDF" => "\xC3\x9F", "\xE0" => "\xC3\xA0", "\xE1" => "\xC3\xA1", "\xE2" => "\xC3\xA2", "\xE3" => "\xC3\xA3", "\xE4" => "\xC3\xA4", "\xE5" => "\xC3\xA5", "\xE6" => "\xC3\xA6", "\xE7" => "\xC3\xA7", "\xE8" => "\xC3\xA8", "\xE9" => "\xC3\xA9", "\xEA" => "\xC3\xAA", "\xEB" => "\xC3\xAB", "\xEC" => "\xC3\xAC", "\xED" => "\xC3\xAD", "\xEE" => "\xC3\xAE", "\xEF" => "\xC3\xAF", "\xF0" => "\xC3\xB0", "\xF1" => "\xC3\xB1", "\xF2" => "\xC3\xB2", "\xF3" => "\xC3\xB3", "\xF4" => "\xC3\xB4", "\xF5" => "\xC3\xB5", "\xF6" => "\xC3\xB6", "\xF7" => "\xC3\xB7", "\xF8" => "\xC3\xB8", "\xF9" => "\xC3\xB9", "\xFA" => "\xC3\xBA", "\xFB" => "\xC3\xBB", "\xFC" => "\xC3\xBC", "\xFD" => "\xC3\xBD", "\xFE" => "\xC3\xBE", "\xFF" => "\xC3\xBF"]; return strtr($string, $convert_table); } /** * Change a string from one encoding to another * * @param string $data Raw data in $input encoding * @param string $input Encoding of $data * @param string $output Encoding you want * @return string|boolean False if we can't convert it */ public static function change_encoding($data, $input, $output) { $input = Misc::encoding($input); $output = Misc::encoding($output); // We fail to fail on non US-ASCII bytes if ($input === 'US-ASCII') { static $non_ascii_octects = ''; if (!$non_ascii_octects) { for ($i = 0x80; $i <= 0xFF; $i++) { $non_ascii_octects .= chr($i); } } $data = substr($data, 0, strcspn($data, $non_ascii_octects)); } // This is first, as behaviour of this is completely predictable if ($input === 'windows-1252' && $output === 'UTF-8') { return Misc::windows_1252_to_utf8($data); } // This is second, as behaviour of this varies only with PHP version (the middle part of this expression checks the encoding is supported). elseif (function_exists('mb_convert_encoding') && ($return = Misc::change_encoding_mbstring($data, $input, $output))) { return $return; } // This is third, as behaviour of this varies with OS userland and PHP version elseif (function_exists('iconv') && ($return = Misc::change_encoding_iconv($data, $input, $output))) { return $return; } // This is last, as behaviour of this varies with OS userland and PHP version elseif (class_exists('\UConverter') && ($return = Misc::change_encoding_uconverter($data, $input, $output))) { return $return; } // If we can't do anything, just fail return false; } protected static function change_encoding_mbstring($data, $input, $output) { if ($input === 'windows-949') { $input = 'EUC-KR'; } if ($output === 'windows-949') { $output = 'EUC-KR'; } if ($input === 'Windows-31J') { $input = 'SJIS'; } if ($output === 'Windows-31J') { $output = 'SJIS'; } // Check that the encoding is supported if (!in_array($input, mb_list_encodings())) { return false; } if (@mb_convert_encoding("\x80", 'UTF-16BE', $input) === "\x00\x80") { return false; } // Let's do some conversion if ($return = @mb_convert_encoding($data, $output, $input)) { return $return; } return false; } protected static function change_encoding_iconv($data, $input, $output) { return @iconv($input, $output, $data); } /** * @param string $data * @param string $input * @param string $output * @return string|false */ protected static function change_encoding_uconverter($data, $input, $output) { return @\UConverter::transcode($data, $output, $input); } /** * Normalize an encoding name * * This is automatically generated by create.php * * To generate it, run `php create.php` on the command line, and copy the * output to replace this function. * * @param string $charset Character set to standardise * @return string Standardised name */ public static function encoding($charset) { // Normalization from UTS #22 switch (strtolower(preg_replace('/(?:[^a-zA-Z0-9]+|([^0-9])0+)/', '\1', $charset))) { case 'adobestandardencoding': case 'csadobestandardencoding': return 'Adobe-Standard-Encoding'; case 'adobesymbolencoding': case 'cshppsmath': return 'Adobe-Symbol-Encoding'; case 'ami1251': case 'amiga1251': return 'Amiga-1251'; case 'ansix31101983': case 'csat5001983': case 'csiso99naplps': case 'isoir99': case 'naplps': return 'ANSI_X3.110-1983'; case 'arabic7': case 'asmo449': case 'csiso89asmo449': case 'iso9036': case 'isoir89': return 'ASMO_449'; case 'big5': case 'csbig5': return 'Big5'; case 'big5hkscs': return 'Big5-HKSCS'; case 'bocu1': case 'csbocu1': return 'BOCU-1'; case 'brf': case 'csbrf': return 'BRF'; case 'bs4730': case 'csiso4unitedkingdom': case 'gb': case 'iso646gb': case 'isoir4': case 'uk': return 'BS_4730'; case 'bsviewdata': case 'csiso47bsviewdata': case 'isoir47': return 'BS_viewdata'; case 'cesu8': case 'cscesu8': return 'CESU-8'; case 'ca': case 'csa71': case 'csaz243419851': case 'csiso121canadian1': case 'iso646ca': case 'isoir121': return 'CSA_Z243.4-1985-1'; case 'csa72': case 'csaz243419852': case 'csiso122canadian2': case 'iso646ca2': case 'isoir122': return 'CSA_Z243.4-1985-2'; case 'csaz24341985gr': case 'csiso123csaz24341985gr': case 'isoir123': return 'CSA_Z243.4-1985-gr'; case 'csiso139csn369103': case 'csn369103': case 'isoir139': return 'CSN_369103'; case 'csdecmcs': case 'dec': case 'decmcs': return 'DEC-MCS'; case 'csiso21german': case 'de': case 'din66003': case 'iso646de': case 'isoir21': return 'DIN_66003'; case 'csdkus': case 'dkus': return 'dk-us'; case 'csiso646danish': case 'dk': case 'ds2089': case 'iso646dk': return 'DS_2089'; case 'csibmebcdicatde': case 'ebcdicatde': return 'EBCDIC-AT-DE'; case 'csebcdicatdea': case 'ebcdicatdea': return 'EBCDIC-AT-DE-A'; case 'csebcdiccafr': case 'ebcdiccafr': return 'EBCDIC-CA-FR'; case 'csebcdicdkno': case 'ebcdicdkno': return 'EBCDIC-DK-NO'; case 'csebcdicdknoa': case 'ebcdicdknoa': return 'EBCDIC-DK-NO-A'; case 'csebcdices': case 'ebcdices': return 'EBCDIC-ES'; case 'csebcdicesa': case 'ebcdicesa': return 'EBCDIC-ES-A'; case 'csebcdicess': case 'ebcdicess': return 'EBCDIC-ES-S'; case 'csebcdicfise': case 'ebcdicfise': return 'EBCDIC-FI-SE'; case 'csebcdicfisea': case 'ebcdicfisea': return 'EBCDIC-FI-SE-A'; case 'csebcdicfr': case 'ebcdicfr': return 'EBCDIC-FR'; case 'csebcdicit': case 'ebcdicit': return 'EBCDIC-IT'; case 'csebcdicpt': case 'ebcdicpt': return 'EBCDIC-PT'; case 'csebcdicuk': case 'ebcdicuk': return 'EBCDIC-UK'; case 'csebcdicus': case 'ebcdicus': return 'EBCDIC-US'; case 'csiso111ecmacyrillic': case 'ecmacyrillic': case 'isoir111': case 'koi8e': return 'ECMA-cyrillic'; case 'csiso17spanish': case 'es': case 'iso646es': case 'isoir17': return 'ES'; case 'csiso85spanish2': case 'es2': case 'iso646es2': case 'isoir85': return 'ES2'; case 'cseucpkdfmtjapanese': case 'eucjp': case 'extendedunixcodepackedformatforjapanese': return 'EUC-JP'; case 'cseucfixwidjapanese': case 'extendedunixcodefixedwidthforjapanese': return 'Extended_UNIX_Code_Fixed_Width_for_Japanese'; case 'gb18030': return 'GB18030'; case 'chinese': case 'cp936': case 'csgb2312': case 'csiso58gb231280': case 'gb2312': case 'gb231280': case 'gbk': case 'isoir58': case 'ms936': case 'windows936': return 'GBK'; case 'cn': case 'csiso57gb1988': case 'gb198880': case 'iso646cn': case 'isoir57': return 'GB_1988-80'; case 'csiso153gost1976874': case 'gost1976874': case 'isoir153': case 'stsev35888': return 'GOST_19768-74'; case 'csiso150': case 'csiso150greekccitt': case 'greekccitt': case 'isoir150': return 'greek-ccitt'; case 'csiso88greek7': case 'greek7': case 'isoir88': return 'greek7'; case 'csiso18greek7old': case 'greek7old': case 'isoir18': return 'greek7-old'; case 'cshpdesktop': case 'hpdesktop': return 'HP-DeskTop'; case 'cshplegal': case 'hplegal': return 'HP-Legal'; case 'cshpmath8': case 'hpmath8': return 'HP-Math8'; case 'cshppifont': case 'hppifont': return 'HP-Pi-font'; case 'cshproman8': case 'hproman8': case 'r8': case 'roman8': return 'hp-roman8'; case 'hzgb2312': return 'HZ-GB-2312'; case 'csibmsymbols': case 'ibmsymbols': return 'IBM-Symbols'; case 'csibmthai': case 'ibmthai': return 'IBM-Thai'; case 'cp37': case 'csibm37': case 'ebcdiccpca': case 'ebcdiccpnl': case 'ebcdiccpus': case 'ebcdiccpwt': case 'ibm37': return 'IBM037'; case 'cp38': case 'csibm38': case 'ebcdicint': case 'ibm38': return 'IBM038'; case 'cp273': case 'csibm273': case 'ibm273': return 'IBM273'; case 'cp274': case 'csibm274': case 'ebcdicbe': case 'ibm274': return 'IBM274'; case 'cp275': case 'csibm275': case 'ebcdicbr': case 'ibm275': return 'IBM275'; case 'csibm277': case 'ebcdiccpdk': case 'ebcdiccpno': case 'ibm277': return 'IBM277'; case 'cp278': case 'csibm278': case 'ebcdiccpfi': case 'ebcdiccpse': case 'ibm278': return 'IBM278'; case 'cp280': case 'csibm280': case 'ebcdiccpit': case 'ibm280': return 'IBM280'; case 'cp281': case 'csibm281': case 'ebcdicjpe': case 'ibm281': return 'IBM281'; case 'cp284': case 'csibm284': case 'ebcdiccpes': case 'ibm284': return 'IBM284'; case 'cp285': case 'csibm285': case 'ebcdiccpgb': case 'ibm285': return 'IBM285'; case 'cp290': case 'csibm290': case 'ebcdicjpkana': case 'ibm290': return 'IBM290'; case 'cp297': case 'csibm297': case 'ebcdiccpfr': case 'ibm297': return 'IBM297'; case 'cp420': case 'csibm420': case 'ebcdiccpar1': case 'ibm420': return 'IBM420'; case 'cp423': case 'csibm423': case 'ebcdiccpgr': case 'ibm423': return 'IBM423'; case 'cp424': case 'csibm424': case 'ebcdiccphe': case 'ibm424': return 'IBM424'; case '437': case 'cp437': case 'cspc8codepage437': case 'ibm437': return 'IBM437'; case 'cp500': case 'csibm500': case 'ebcdiccpbe': case 'ebcdiccpch': case 'ibm500': return 'IBM500'; case 'cp775': case 'cspc775baltic': case 'ibm775': return 'IBM775'; case '850': case 'cp850': case 'cspc850multilingual': case 'ibm850': return 'IBM850'; case '851': case 'cp851': case 'csibm851': case 'ibm851': return 'IBM851'; case '852': case 'cp852': case 'cspcp852': case 'ibm852': return 'IBM852'; case '855': case 'cp855': case 'csibm855': case 'ibm855': return 'IBM855'; case '857': case 'cp857': case 'csibm857': case 'ibm857': return 'IBM857'; case 'ccsid858': case 'cp858': case 'ibm858': case 'pcmultilingual850euro': return 'IBM00858'; case '860': case 'cp860': case 'csibm860': case 'ibm860': return 'IBM860'; case '861': case 'cp861': case 'cpis': case 'csibm861': case 'ibm861': return 'IBM861'; case '862': case 'cp862': case 'cspc862latinhebrew': case 'ibm862': return 'IBM862'; case '863': case 'cp863': case 'csibm863': case 'ibm863': return 'IBM863'; case 'cp864': case 'csibm864': case 'ibm864': return 'IBM864'; case '865': case 'cp865': case 'csibm865': case 'ibm865': return 'IBM865'; case '866': case 'cp866': case 'csibm866': case 'ibm866': return 'IBM866'; case 'cp868': case 'cpar': case 'csibm868': case 'ibm868': return 'IBM868'; case '869': case 'cp869': case 'cpgr': case 'csibm869': case 'ibm869': return 'IBM869'; case 'cp870': case 'csibm870': case 'ebcdiccproece': case 'ebcdiccpyu': case 'ibm870': return 'IBM870'; case 'cp871': case 'csibm871': case 'ebcdiccpis': case 'ibm871': return 'IBM871'; case 'cp880': case 'csibm880': case 'ebcdiccyrillic': case 'ibm880': return 'IBM880'; case 'cp891': case 'csibm891': case 'ibm891': return 'IBM891'; case 'cp903': case 'csibm903': case 'ibm903': return 'IBM903'; case '904': case 'cp904': case 'csibbm904': case 'ibm904': return 'IBM904'; case 'cp905': case 'csibm905': case 'ebcdiccptr': case 'ibm905': return 'IBM905'; case 'cp918': case 'csibm918': case 'ebcdiccpar2': case 'ibm918': return 'IBM918'; case 'ccsid924': case 'cp924': case 'ebcdiclatin9euro': case 'ibm924': return 'IBM00924'; case 'cp1026': case 'csibm1026': case 'ibm1026': return 'IBM1026'; case 'ibm1047': return 'IBM1047'; case 'ccsid1140': case 'cp1140': case 'ebcdicus37euro': case 'ibm1140': return 'IBM01140'; case 'ccsid1141': case 'cp1141': case 'ebcdicde273euro': case 'ibm1141': return 'IBM01141'; case 'ccsid1142': case 'cp1142': case 'ebcdicdk277euro': case 'ebcdicno277euro': case 'ibm1142': return 'IBM01142'; case 'ccsid1143': case 'cp1143': case 'ebcdicfi278euro': case 'ebcdicse278euro': case 'ibm1143': return 'IBM01143'; case 'ccsid1144': case 'cp1144': case 'ebcdicit280euro': case 'ibm1144': return 'IBM01144'; case 'ccsid1145': case 'cp1145': case 'ebcdices284euro': case 'ibm1145': return 'IBM01145'; case 'ccsid1146': case 'cp1146': case 'ebcdicgb285euro': case 'ibm1146': return 'IBM01146'; case 'ccsid1147': case 'cp1147': case 'ebcdicfr297euro': case 'ibm1147': return 'IBM01147'; case 'ccsid1148': case 'cp1148': case 'ebcdicinternational500euro': case 'ibm1148': return 'IBM01148'; case 'ccsid1149': case 'cp1149': case 'ebcdicis871euro': case 'ibm1149': return 'IBM01149'; case 'csiso143iecp271': case 'iecp271': case 'isoir143': return 'IEC_P27-1'; case 'csiso49inis': case 'inis': case 'isoir49': return 'INIS'; case 'csiso50inis8': case 'inis8': case 'isoir50': return 'INIS-8'; case 'csiso51iniscyrillic': case 'iniscyrillic': case 'isoir51': return 'INIS-cyrillic'; case 'csinvariant': case 'invariant': return 'INVARIANT'; case 'iso2022cn': return 'ISO-2022-CN'; case 'iso2022cnext': return 'ISO-2022-CN-EXT'; case 'csiso2022jp': case 'iso2022jp': return 'ISO-2022-JP'; case 'csiso2022jp2': case 'iso2022jp2': return 'ISO-2022-JP-2'; case 'csiso2022kr': case 'iso2022kr': return 'ISO-2022-KR'; case 'cswindows30latin1': case 'iso88591windows30latin1': return 'ISO-8859-1-Windows-3.0-Latin-1'; case 'cswindows31latin1': case 'iso88591windows31latin1': return 'ISO-8859-1-Windows-3.1-Latin-1'; case 'csisolatin2': case 'iso88592': case 'iso885921987': case 'isoir101': case 'l2': case 'latin2': return 'ISO-8859-2'; case 'cswindows31latin2': case 'iso88592windowslatin2': return 'ISO-8859-2-Windows-Latin-2'; case 'csisolatin3': case 'iso88593': case 'iso885931988': case 'isoir109': case 'l3': case 'latin3': return 'ISO-8859-3'; case 'csisolatin4': case 'iso88594': case 'iso885941988': case 'isoir110': case 'l4': case 'latin4': return 'ISO-8859-4'; case 'csisolatincyrillic': case 'cyrillic': case 'iso88595': case 'iso885951988': case 'isoir144': return 'ISO-8859-5'; case 'arabic': case 'asmo708': case 'csisolatinarabic': case 'ecma114': case 'iso88596': case 'iso885961987': case 'isoir127': return 'ISO-8859-6'; case 'csiso88596e': case 'iso88596e': return 'ISO-8859-6-E'; case 'csiso88596i': case 'iso88596i': return 'ISO-8859-6-I'; case 'csisolatingreek': case 'ecma118': case 'elot928': case 'greek': case 'greek8': case 'iso88597': case 'iso885971987': case 'isoir126': return 'ISO-8859-7'; case 'csisolatinhebrew': case 'hebrew': case 'iso88598': case 'iso885981988': case 'isoir138': return 'ISO-8859-8'; case 'csiso88598e': case 'iso88598e': return 'ISO-8859-8-E'; case 'csiso88598i': case 'iso88598i': return 'ISO-8859-8-I'; case 'cswindows31latin5': case 'iso88599windowslatin5': return 'ISO-8859-9-Windows-Latin-5'; case 'csisolatin6': case 'iso885910': case 'iso8859101992': case 'isoir157': case 'l6': case 'latin6': return 'ISO-8859-10'; case 'iso885913': return 'ISO-8859-13'; case 'iso885914': case 'iso8859141998': case 'isoceltic': case 'isoir199': case 'l8': case 'latin8': return 'ISO-8859-14'; case 'iso885915': case 'latin9': return 'ISO-8859-15'; case 'iso885916': case 'iso8859162001': case 'isoir226': case 'l10': case 'latin10': return 'ISO-8859-16'; case 'iso10646j1': return 'ISO-10646-J-1'; case 'csunicode': case 'iso10646ucs2': return 'ISO-10646-UCS-2'; case 'csucs4': case 'iso10646ucs4': return 'ISO-10646-UCS-4'; case 'csunicodeascii': case 'iso10646ucsbasic': return 'ISO-10646-UCS-Basic'; case 'csunicodelatin1': case 'iso10646': case 'iso10646unicodelatin1': return 'ISO-10646-Unicode-Latin1'; case 'csiso10646utf1': case 'iso10646utf1': return 'ISO-10646-UTF-1'; case 'csiso115481': case 'iso115481': case 'isotr115481': return 'ISO-11548-1'; case 'csiso90': case 'isoir90': return 'iso-ir-90'; case 'csunicodeibm1261': case 'isounicodeibm1261': return 'ISO-Unicode-IBM-1261'; case 'csunicodeibm1264': case 'isounicodeibm1264': return 'ISO-Unicode-IBM-1264'; case 'csunicodeibm1265': case 'isounicodeibm1265': return 'ISO-Unicode-IBM-1265'; case 'csunicodeibm1268': case 'isounicodeibm1268': return 'ISO-Unicode-IBM-1268'; case 'csunicodeibm1276': case 'isounicodeibm1276': return 'ISO-Unicode-IBM-1276'; case 'csiso646basic1983': case 'iso646basic1983': case 'ref': return 'ISO_646.basic:1983'; case 'csiso2intlrefversion': case 'irv': case 'iso646irv1983': case 'isoir2': return 'ISO_646.irv:1983'; case 'csiso2033': case 'e13b': case 'iso20331983': case 'isoir98': return 'ISO_2033-1983'; case 'csiso5427cyrillic': case 'iso5427': case 'isoir37': return 'ISO_5427'; case 'iso5427cyrillic1981': case 'iso54271981': case 'isoir54': return 'ISO_5427:1981'; case 'csiso5428greek': case 'iso54281980': case 'isoir55': return 'ISO_5428:1980'; case 'csiso6937add': case 'iso6937225': case 'isoir152': return 'ISO_6937-2-25'; case 'csisotextcomm': case 'iso69372add': case 'isoir142': return 'ISO_6937-2-add'; case 'csiso8859supp': case 'iso8859supp': case 'isoir154': case 'latin125': return 'ISO_8859-supp'; case 'csiso10367box': case 'iso10367box': case 'isoir155': return 'ISO_10367-box'; case 'csiso15italian': case 'iso646it': case 'isoir15': case 'it': return 'IT'; case 'csiso13jisc6220jp': case 'isoir13': case 'jisc62201969': case 'jisc62201969jp': case 'katakana': case 'x2017': return 'JIS_C6220-1969-jp'; case 'csiso14jisc6220ro': case 'iso646jp': case 'isoir14': case 'jisc62201969ro': case 'jp': return 'JIS_C6220-1969-ro'; case 'csiso42jisc62261978': case 'isoir42': case 'jisc62261978': return 'JIS_C6226-1978'; case 'csiso87jisx208': case 'isoir87': case 'jisc62261983': case 'jisx2081983': case 'x208': return 'JIS_C6226-1983'; case 'csiso91jisc62291984a': case 'isoir91': case 'jisc62291984a': case 'jpocra': return 'JIS_C6229-1984-a'; case 'csiso92jisc62991984b': case 'iso646jpocrb': case 'isoir92': case 'jisc62291984b': case 'jpocrb': return 'JIS_C6229-1984-b'; case 'csiso93jis62291984badd': case 'isoir93': case 'jisc62291984badd': case 'jpocrbadd': return 'JIS_C6229-1984-b-add'; case 'csiso94jis62291984hand': case 'isoir94': case 'jisc62291984hand': case 'jpocrhand': return 'JIS_C6229-1984-hand'; case 'csiso95jis62291984handadd': case 'isoir95': case 'jisc62291984handadd': case 'jpocrhandadd': return 'JIS_C6229-1984-hand-add'; case 'csiso96jisc62291984kana': case 'isoir96': case 'jisc62291984kana': return 'JIS_C6229-1984-kana'; case 'csjisencoding': case 'jisencoding': return 'JIS_Encoding'; case 'cshalfwidthkatakana': case 'jisx201': case 'x201': return 'JIS_X0201'; case 'csiso159jisx2121990': case 'isoir159': case 'jisx2121990': case 'x212': return 'JIS_X0212-1990'; case 'csiso141jusib1002': case 'iso646yu': case 'isoir141': case 'js': case 'jusib1002': case 'yu': return 'JUS_I.B1.002'; case 'csiso147macedonian': case 'isoir147': case 'jusib1003mac': case 'macedonian': return 'JUS_I.B1.003-mac'; case 'csiso146serbian': case 'isoir146': case 'jusib1003serb': case 'serbian': return 'JUS_I.B1.003-serb'; case 'koi7switched': return 'KOI7-switched'; case 'cskoi8r': case 'koi8r': return 'KOI8-R'; case 'koi8u': return 'KOI8-U'; case 'csksc5636': case 'iso646kr': case 'ksc5636': return 'KSC5636'; case 'cskz1048': case 'kz1048': case 'rk1048': case 'strk10482002': return 'KZ-1048'; case 'csiso19latingreek': case 'isoir19': case 'latingreek': return 'latin-greek'; case 'csiso27latingreek1': case 'isoir27': case 'latingreek1': return 'Latin-greek-1'; case 'csiso158lap': case 'isoir158': case 'lap': case 'latinlap': return 'latin-lap'; case 'csmacintosh': case 'mac': case 'macintosh': return 'macintosh'; case 'csmicrosoftpublishing': case 'microsoftpublishing': return 'Microsoft-Publishing'; case 'csmnem': case 'mnem': return 'MNEM'; case 'csmnemonic': case 'mnemonic': return 'MNEMONIC'; case 'csiso86hungarian': case 'hu': case 'iso646hu': case 'isoir86': case 'msz77953': return 'MSZ_7795.3'; case 'csnatsdano': case 'isoir91': case 'natsdano': return 'NATS-DANO'; case 'csnatsdanoadd': case 'isoir92': case 'natsdanoadd': return 'NATS-DANO-ADD'; case 'csnatssefi': case 'isoir81': case 'natssefi': return 'NATS-SEFI'; case 'csnatssefiadd': case 'isoir82': case 'natssefiadd': return 'NATS-SEFI-ADD'; case 'csiso151cuba': case 'cuba': case 'iso646cu': case 'isoir151': case 'ncnc1081': return 'NC_NC00-10:81'; case 'csiso69french': case 'fr': case 'iso646fr': case 'isoir69': case 'nfz62010': return 'NF_Z_62-010'; case 'csiso25french': case 'iso646fr1': case 'isoir25': case 'nfz620101973': return 'NF_Z_62-010_(1973)'; case 'csiso60danishnorwegian': case 'csiso60norwegian1': case 'iso646no': case 'isoir60': case 'no': case 'ns45511': return 'NS_4551-1'; case 'csiso61norwegian2': case 'iso646no2': case 'isoir61': case 'no2': case 'ns45512': return 'NS_4551-2'; case 'osdebcdicdf3irv': return 'OSD_EBCDIC_DF03_IRV'; case 'osdebcdicdf41': return 'OSD_EBCDIC_DF04_1'; case 'osdebcdicdf415': return 'OSD_EBCDIC_DF04_15'; case 'cspc8danishnorwegian': case 'pc8danishnorwegian': return 'PC8-Danish-Norwegian'; case 'cspc8turkish': case 'pc8turkish': return 'PC8-Turkish'; case 'csiso16portuguese': case 'iso646pt': case 'isoir16': case 'pt': return 'PT'; case 'csiso84portuguese2': case 'iso646pt2': case 'isoir84': case 'pt2': return 'PT2'; case 'cp154': case 'csptcp154': case 'cyrillicasian': case 'pt154': case 'ptcp154': return 'PTCP154'; case 'scsu': return 'SCSU'; case 'csiso10swedish': case 'fi': case 'iso646fi': case 'iso646se': case 'isoir10': case 'se': case 'sen850200b': return 'SEN_850200_B'; case 'csiso11swedishfornames': case 'iso646se2': case 'isoir11': case 'se2': case 'sen850200c': return 'SEN_850200_C'; case 'csiso102t617bit': case 'isoir102': case 't617bit': return 'T.61-7bit'; case 'csiso103t618bit': case 'isoir103': case 't61': case 't618bit': return 'T.61-8bit'; case 'csiso128t101g2': case 'isoir128': case 't101g2': return 'T.101-G2'; case 'cstscii': case 'tscii': return 'TSCII'; case 'csunicode11': case 'unicode11': return 'UNICODE-1-1'; case 'csunicode11utf7': case 'unicode11utf7': return 'UNICODE-1-1-UTF-7'; case 'csunknown8bit': case 'unknown8bit': return 'UNKNOWN-8BIT'; case 'ansix341968': case 'ansix341986': case 'ascii': case 'cp367': case 'csascii': case 'ibm367': case 'iso646irv1991': case 'iso646us': case 'isoir6': case 'us': case 'usascii': return 'US-ASCII'; case 'csusdk': case 'usdk': return 'us-dk'; case 'utf7': return 'UTF-7'; case 'utf8': return 'UTF-8'; case 'utf16': return 'UTF-16'; case 'utf16be': return 'UTF-16BE'; case 'utf16le': return 'UTF-16LE'; case 'utf32': return 'UTF-32'; case 'utf32be': return 'UTF-32BE'; case 'utf32le': return 'UTF-32LE'; case 'csventurainternational': case 'venturainternational': return 'Ventura-International'; case 'csventuramath': case 'venturamath': return 'Ventura-Math'; case 'csventuraus': case 'venturaus': return 'Ventura-US'; case 'csiso70videotexsupp1': case 'isoir70': case 'videotexsuppl': return 'videotex-suppl'; case 'csviqr': case 'viqr': return 'VIQR'; case 'csviscii': case 'viscii': return 'VISCII'; case 'csshiftjis': case 'cswindows31j': case 'mskanji': case 'shiftjis': case 'windows31j': return 'Windows-31J'; case 'iso885911': case 'tis620': return 'windows-874'; case 'cseuckr': case 'csksc56011987': case 'euckr': case 'isoir149': case 'korean': case 'ksc5601': case 'ksc56011987': case 'ksc56011989': case 'windows949': return 'windows-949'; case 'windows1250': return 'windows-1250'; case 'windows1251': return 'windows-1251'; case 'cp819': case 'csisolatin1': case 'ibm819': case 'iso88591': case 'iso885911987': case 'isoir100': case 'l1': case 'latin1': case 'windows1252': return 'windows-1252'; case 'windows1253': return 'windows-1253'; case 'csisolatin5': case 'iso88599': case 'iso885991989': case 'isoir148': case 'l5': case 'latin5': case 'windows1254': return 'windows-1254'; case 'windows1255': return 'windows-1255'; case 'windows1256': return 'windows-1256'; case 'windows1257': return 'windows-1257'; case 'windows1258': return 'windows-1258'; default: return $charset; } } public static function get_curl_version() { if (is_array($curl = curl_version())) { $curl = $curl['version']; } elseif (substr($curl, 0, 5) === 'curl/') { $curl = substr($curl, 5, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 5)); } elseif (substr($curl, 0, 8) === 'libcurl/') { $curl = substr($curl, 8, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 8)); } else { $curl = 0; } return $curl; } /** * Strip HTML comments * * @param string $data Data to strip comments from * @return string Comment stripped string */ public static function strip_comments($data) { $output = ''; while (($start = strpos($data, '<!--')) !== false) { $output .= substr($data, 0, $start); if (($end = strpos($data, '-->', $start)) !== false) { $data = substr_replace($data, '', 0, $end + 3); } else { $data = ''; } } return $output . $data; } public static function parse_date($dt) { $parser = \SimplePie\Parse\Date::get(); return $parser->parse($dt); } /** * Decode HTML entities * * @deprecated since SimplePie 1.3, use DOMDocument instead * @param string $data Input data * @return string Output data */ public static function entities_decode($data) { // trigger_error(sprintf('Using method "' . __METHOD__ . '" is deprecated since SimplePie 1.3, use "DOMDocument" instead.'), \E_USER_DEPRECATED); $decoder = new \SimplePie_Decode_HTML_Entities($data); return $decoder->parse(); } /** * Remove RFC822 comments * * @param string $data Data to strip comments from * @return string Comment stripped string */ public static function uncomment_rfc822($string) { $string = (string) $string; $position = 0; $length = strlen($string); $depth = 0; $output = ''; while ($position < $length && ($pos = strpos($string, '(', $position)) !== false) { $output .= substr($string, $position, $pos - $position); $position = $pos + 1; if ($string[$pos - 1] !== '\\') { $depth++; while ($depth && $position < $length) { $position += strcspn($string, '()', $position); if ($string[$position - 1] === '\\') { $position++; continue; } elseif (isset($string[$position])) { switch ($string[$position]) { case '(': $depth++; break; case ')': $depth--; break; } $position++; } else { break; } } } else { $output .= '('; } } $output .= substr($string, $position); return $output; } public static function parse_mime($mime) { if (($pos = strpos($mime, ';')) === false) { return trim($mime); } return trim(substr($mime, 0, $pos)); } public static function atom_03_construct_type($attribs) { if (isset($attribs['']['mode']) && strtolower(trim($attribs['']['mode'])) === 'base64') { $mode = \SimplePie\SimplePie::CONSTRUCT_BASE64; } else { $mode = \SimplePie\SimplePie::CONSTRUCT_NONE; } if (isset($attribs['']['type'])) { switch (strtolower(trim($attribs['']['type']))) { case 'text': case 'text/plain': return \SimplePie\SimplePie::CONSTRUCT_TEXT | $mode; case 'html': case 'text/html': return \SimplePie\SimplePie::CONSTRUCT_HTML | $mode; case 'xhtml': case 'application/xhtml+xml': return \SimplePie\SimplePie::CONSTRUCT_XHTML | $mode; default: return \SimplePie\SimplePie::CONSTRUCT_NONE | $mode; } } return \SimplePie\SimplePie::CONSTRUCT_TEXT | $mode; } public static function atom_10_construct_type($attribs) { if (isset($attribs['']['type'])) { switch (strtolower(trim($attribs['']['type']))) { case 'text': return \SimplePie\SimplePie::CONSTRUCT_TEXT; case 'html': return \SimplePie\SimplePie::CONSTRUCT_HTML; case 'xhtml': return \SimplePie\SimplePie::CONSTRUCT_XHTML; default: return \SimplePie\SimplePie::CONSTRUCT_NONE; } } return \SimplePie\SimplePie::CONSTRUCT_TEXT; } public static function atom_10_content_construct_type($attribs) { if (isset($attribs['']['type'])) { $type = strtolower(trim($attribs['']['type'])); switch ($type) { case 'text': return \SimplePie\SimplePie::CONSTRUCT_TEXT; case 'html': return \SimplePie\SimplePie::CONSTRUCT_HTML; case 'xhtml': return \SimplePie\SimplePie::CONSTRUCT_XHTML; } if (in_array(substr($type, -4), ['+xml', '/xml']) || substr($type, 0, 5) === 'text/') { return \SimplePie\SimplePie::CONSTRUCT_NONE; } else { return \SimplePie\SimplePie::CONSTRUCT_BASE64; } } return \SimplePie\SimplePie::CONSTRUCT_TEXT; } public static function is_isegment_nz_nc($string) { return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string); } public static function space_separated_tokens($string) { $space_characters = "\x20\x09\x0A\x0B\x0C\x0D"; $string_length = strlen($string); $position = strspn($string, $space_characters); $tokens = []; while ($position < $string_length) { $len = strcspn($string, $space_characters, $position); $tokens[] = substr($string, $position, $len); $position += $len; $position += strspn($string, $space_characters, $position); } return $tokens; } /** * Converts a unicode codepoint to a UTF-8 character * * @static * @param int $codepoint Unicode codepoint * @return string UTF-8 character */ public static function codepoint_to_utf8($codepoint) { $codepoint = (int) $codepoint; if ($codepoint < 0) { return false; } elseif ($codepoint <= 0x7f) { return chr($codepoint); } elseif ($codepoint <= 0x7ff) { return chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f)); } elseif ($codepoint <= 0xffff) { return chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f)); } elseif ($codepoint <= 0x10ffff) { return chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f)); } // U+FFFD REPLACEMENT CHARACTER return "\xEF\xBF\xBD"; } /** * Similar to parse_str() * * Returns an associative array of name/value pairs, where the value is an * array of values that have used the same name * * @static * @param string $str The input string. * @return array */ public static function parse_str($str) { $return = []; $str = explode('&', $str); foreach ($str as $section) { if (strpos($section, '=') !== false) { [$name, $value] = explode('=', $section, 2); $return[urldecode($name)][] = urldecode($value); } else { $return[urldecode($section)][] = null; } } return $return; } /** * Detect XML encoding, as per XML 1.0 Appendix F.1 * * @todo Add support for EBCDIC * @param string $data XML data * @param \SimplePie\Registry $registry Class registry * @return array Possible encodings */ public static function xml_encoding($data, $registry) { // UTF-32 Big Endian BOM if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") { $encoding[] = 'UTF-32BE'; } // UTF-32 Little Endian BOM elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") { $encoding[] = 'UTF-32LE'; } // UTF-16 Big Endian BOM elseif (substr($data, 0, 2) === "\xFE\xFF") { $encoding[] = 'UTF-16BE'; } // UTF-16 Little Endian BOM elseif (substr($data, 0, 2) === "\xFF\xFE") { $encoding[] = 'UTF-16LE'; } // UTF-8 BOM elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") { $encoding[] = 'UTF-8'; } // UTF-32 Big Endian Without BOM elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C") { if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E")) { $parser = $registry->create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8')]); if ($parser->parse()) { $encoding[] = $parser->encoding; } } $encoding[] = 'UTF-32BE'; } // UTF-32 Little Endian Without BOM elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00") { if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00")) { $parser = $registry->create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8')]); if ($parser->parse()) { $encoding[] = $parser->encoding; } } $encoding[] = 'UTF-32LE'; } // UTF-16 Big Endian Without BOM elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C") { if ($pos = strpos($data, "\x00\x3F\x00\x3E")) { $parser = $registry->create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8')]); if ($parser->parse()) { $encoding[] = $parser->encoding; } } $encoding[] = 'UTF-16BE'; } // UTF-16 Little Endian Without BOM elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00") { if ($pos = strpos($data, "\x3F\x00\x3E\x00")) { $parser = $registry->create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8')]); if ($parser->parse()) { $encoding[] = $parser->encoding; } } $encoding[] = 'UTF-16LE'; } // US-ASCII (or superset) elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C") { if ($pos = strpos($data, "\x3F\x3E")) { $parser = $registry->create(Parser::class, [substr($data, 5, $pos - 5)]); if ($parser->parse()) { $encoding[] = $parser->encoding; } } $encoding[] = 'UTF-8'; } // Fallback to UTF-8 else { $encoding[] = 'UTF-8'; } return $encoding; } public static function output_javascript() { if (function_exists('ob_gzhandler')) { ob_start('ob_gzhandler'); } header('Content-type: text/javascript; charset: UTF-8'); header('Cache-Control: must-revalidate'); header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days $body = <<<END function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) { if (placeholder != '') { document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); } else { document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); } } function embed_flash(bgcolor, width, height, link, loop, type) { document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>'); } function embed_flv(width, height, link, placeholder, loop, player) { document.writeln('<embed src="'+player+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="'+width+'" height="'+height+'" wmode="transparent" flashvars="file='+link+'&autostart=false&repeat='+loop+'&showdigits=true&showfsbutton=false"></embed>'); } function embed_wmedia(width, height, link) { document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>'); } END; echo $body; } /** * Get the SimplePie build timestamp * * Uses the git index if it exists, otherwise uses the modification time * of the newest file. */ public static function get_build() { if (static::$SIMPLEPIE_BUILD !== null) { return static::$SIMPLEPIE_BUILD; } $root = dirname(__FILE__, 2); if (file_exists($root . '/.git/index')) { static::$SIMPLEPIE_BUILD = filemtime($root . '/.git/index'); return static::$SIMPLEPIE_BUILD; } elseif (file_exists($root . '/SimplePie')) { $time = 0; foreach (glob($root . '/SimplePie/*.php') as $file) { if (($mtime = filemtime($file)) > $time) { $time = $mtime; } } static::$SIMPLEPIE_BUILD = $time; return static::$SIMPLEPIE_BUILD; } elseif (file_exists(dirname(__FILE__) . '/Core.php')) { static::$SIMPLEPIE_BUILD = filemtime(dirname(__FILE__) . '/Core.php'); return static::$SIMPLEPIE_BUILD; } static::$SIMPLEPIE_BUILD = filemtime(__FILE__); return static::$SIMPLEPIE_BUILD; } /** * Get the default user agent string * * @return string */ public static function get_default_useragent() { return \SimplePie\SimplePie::NAME . '/' . \SimplePie\SimplePie::VERSION . ' (Feed Parser; ' . \SimplePie\SimplePie::URL . '; Allow like Gecko) Build/' . static::get_build(); } /** * Format debugging information */ public static function debug(&$sp) { $info = 'SimplePie ' . \SimplePie\SimplePie::VERSION . ' Build ' . static::get_build() . "\n"; $info .= 'PHP ' . PHP_VERSION . "\n"; if ($sp->error() !== null) { $info .= 'Error occurred: ' . $sp->error() . "\n"; } else { $info .= "No error found.\n"; } $info .= "Extensions:\n"; $extensions = ['pcre', 'curl', 'zlib', 'mbstring', 'iconv', 'xmlreader', 'xml']; foreach ($extensions as $ext) { if (extension_loaded($ext)) { $info .= " $ext loaded\n"; switch ($ext) { case 'pcre': $info .= ' Version ' . PCRE_VERSION . "\n"; break; case 'curl': $version = curl_version(); $info .= ' Version ' . $version['version'] . "\n"; break; case 'mbstring': $info .= ' Overloading: ' . mb_get_info('func_overload') . "\n"; break; case 'iconv': $info .= ' Version ' . ICONV_VERSION . "\n"; break; case 'xml': $info .= ' Version ' . LIBXML_DOTTED_VERSION . "\n"; break; } } else { $info .= " $ext not loaded\n"; } } return $info; } public static function silence_errors($num, $str) { // No-op } /** * Sanitize a URL by removing HTTP credentials. * @param string $url the URL to sanitize. * @return string the same URL without HTTP credentials. */ public static function url_remove_credentials($url) { return preg_replace('#^(https?://)[^/:@]+:[^/:@]+@#i', '$1', $url); } } class_alias('SimplePie\Misc', 'SimplePie_Misc', false); Caption.php 0000604 00000011517 14717745057 0006674 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Handles `<media:text>` captions as defined in Media RSS. * * Used by {@see \SimplePie\Enclosure::get_caption()} and {@see \SimplePie\Enclosure::get_captions()} * * This class can be overloaded with {@see \SimplePie\SimplePie::set_caption_class()} * * @package SimplePie * @subpackage API */ class Caption { /** * Content type * * @var string * @see get_type() */ public $type; /** * Language * * @var string * @see get_language() */ public $lang; /** * Start time * * @var string * @see get_starttime() */ public $startTime; /** * End time * * @var string * @see get_endtime() */ public $endTime; /** * Caption text * * @var string * @see get_text() */ public $text; /** * Constructor, used to input the data * * For documentation on all the parameters, see the corresponding * properties and their accessors */ public function __construct($type = null, $lang = null, $startTime = null, $endTime = null, $text = null) { $this->type = $type; $this->lang = $lang; $this->startTime = $startTime; $this->endTime = $endTime; $this->text = $text; } /** * String-ified version * * @return string */ public function __toString() { // There is no $this->data here return md5(serialize($this)); } /** * Get the end time * * @return string|null Time in the format 'hh:mm:ss.SSS' */ public function get_endtime() { if ($this->endTime !== null) { return $this->endTime; } return null; } /** * Get the language * * @link http://tools.ietf.org/html/rfc3066 * @return string|null Language code as per RFC 3066 */ public function get_language() { if ($this->lang !== null) { return $this->lang; } return null; } /** * Get the start time * * @return string|null Time in the format 'hh:mm:ss.SSS' */ public function get_starttime() { if ($this->startTime !== null) { return $this->startTime; } return null; } /** * Get the text of the caption * * @return string|null */ public function get_text() { if ($this->text !== null) { return $this->text; } return null; } /** * Get the content type (not MIME type) * * @return string|null Either 'text' or 'html' */ public function get_type() { if ($this->type !== null) { return $this->type; } return null; } } class_alias('SimplePie\Caption', 'SimplePie_Caption'); Enclosure.php 0000604 00000100400 14717745057 0007224 0 ustar 00 <?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ namespace SimplePie; /** * Handles everything related to enclosures (including Media RSS and iTunes RSS) * * Used by {@see \SimplePie\Item::get_enclosure()} and {@see \SimplePie\Item::get_enclosures()} * * This class can be overloaded with {@see \SimplePie\SimplePie::set_enclosure_class()} * * @package SimplePie * @subpackage API */ class Enclosure { /** * @var string * @see get_bitrate() */ public $bitrate; /** * @var array * @see get_captions() */ public $captions; /** * @var array * @see get_categories() */ public $categories; /** * @var int * @see get_channels() */ public $channels; /** * @var \SimplePie\Copyright * @see get_copyright() */ public $copyright; /** * @var array * @see get_credits() */ public $credits; /** * @var string * @see get_description() */ public $description; /** * @var int * @see get_duration() */ public $duration; /** * @var string * @see get_expression() */ public $expression; /** * @var string * @see get_framerate() */ public $framerate; /** * @var string * @see get_handler() */ public $handler; /** * @var array * @see get_hashes() */ public $hashes; /** * @var string * @see get_height() */ public $height; /** * @deprecated * @var null */ public $javascript; /** * @var array * @see get_keywords() */ public $keywords; /** * @var string * @see get_language() */ public $lang; /** * @var string * @see get_length() */ public $length; /** * @var string * @see get_link() */ public $link; /** * @var string * @see get_medium() */ public $medium; /** * @var string * @see get_player() */ public $player; /** * @var array * @see get_ratings() */ public $ratings; /** * @var array * @see get_restrictions() */ public $restrictions; /** * @var string * @see get_sampling_rate() */ public $samplingrate; /** * @var array * @see get_thumbnails() */ public $thumbnails; /** * @var string * @see get_title() */ public $title; /** * @var string * @see get_type() */ public $type; /** * @var string * @see get_width() */ public $width; /** * Constructor, used to input the data * * For documentation on all the parameters, see the corresponding * properties and their accessors * * @uses idna_convert If available, this will convert an IDN */ public function __construct($link = null, $type = null, $length = null, $javascript = null, $bitrate = null, $captions = null, $categories = null, $channels = null, $copyright = null, $credits = null, $description = null, $duration = null, $expression = null, $framerate = null, $hashes = null, $height = null, $keywords = null, $lang = null, $medium = null, $player = null, $ratings = null, $restrictions = null, $samplingrate = null, $thumbnails = null, $title = null, $width = null) { $this->bitrate = $bitrate; $this->captions = $captions; $this->categories = $categories; $this->channels = $channels; $this->copyright = $copyright; $this->credits = $credits; $this->description = $description; $this->duration = $duration; $this->expression = $expression; $this->framerate = $framerate; $this->hashes = $hashes; $this->height = $height; $this->keywords = $keywords; $this->lang = $lang; $this->length = $length; $this->link = $link; $this->medium = $medium; $this->player = $player; $this->ratings = $ratings; $this->restrictions = $restrictions; $this->samplingrate = $samplingrate; $this->thumbnails = $thumbnails; $this->title = $title; $this->type = $type; $this->width = $width; if (class_exists('idna_convert')) { $idn = new \idna_convert(); $parsed = \SimplePie\Misc::parse_url($link); $this->link = \SimplePie\Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']); } $this->handler = $this->get_handler(); // Needs to load last } /** * String-ified version * * @return string */ public function __toString() { // There is no $this->data here return md5(serialize($this)); } /** * Get the bitrate * * @return string|null */ public function get_bitrate() { if ($this->bitrate !== null) { return $this->bitrate; } return null; } /** * Get a single caption * * @param int $key * @return \SimplePie\Caption|null */ public function get_caption($key = 0) { $captions = $this->get_captions(); if (isset($captions[$key])) { return $captions[$key]; } return null; } /** * Get all captions * * @return array|null Array of {@see \SimplePie\Caption} objects */ public function get_captions() { if ($this->captions !== null) { return $this->captions; } return null; } /** * Get a single category * * @param int $key * @return \SimplePie\Category|null */ public function get_category($key = 0) { $categories = $this->get_categories(); if (isset($categories[$key])) { return $categories[$key]; } return null; } /** * Get all categories * * @return array|null Array of {@see \SimplePie\Category} objects */ public function get_categories() { if ($this->categories !== null) { return $this->categories; } return null; } /** * Get the number of audio channels * * @return int|null */ public function get_channels() { if ($this->channels !== null) { return $this->channels; } return null; } /** * Get the copyright information * * @return \SimplePie\Copyright|null */ public function get_copyright() { if ($this->copyright !== null) { return $this->copyright; } return null; } /** * Get a single credit * * @param int $key * @return \SimplePie\Credit|null */ public function get_credit($key = 0) { $credits = $this->get_credits(); if (isset($credits[$key])) { return $credits[$key]; } return null; } /** * Get all credits * * @return array|null Array of {@see \SimplePie\Credit} objects */ public function get_credits() { if ($this->credits !== null) { return $this->credits; } return null; } /** * Get the description of the enclosure * * @return string|null */ public function get_description() { if ($this->description !== null) { return $this->description; } return null; } /** * Get the duration of the enclosure * * @param bool $convert Convert seconds into hh:mm:ss * @return string|int|null 'hh:mm:ss' string if `$convert` was specified, otherwise integer (or null if none found) */ public function get_duration($convert = false) { if ($this->duration !== null) { if ($convert) { $time = \SimplePie\Misc::time_hms($this->duration); return $time; } return $this->duration; } return null; } /** * Get the expression * * @return string Probably one of 'sample', 'full', 'nonstop', 'clip'. Defaults to 'full' */ public function get_expression() { if ($this->expression !== null) { return $this->expression; } return 'full'; } /** * Get the file extension * * @return string|null */ public function get_extension() { if ($this->link !== null) { $url = \SimplePie\Misc::parse_url($this->link); if ($url['path'] !== '') { return pathinfo($url['path'], PATHINFO_EXTENSION); } } return null; } /** * Get the framerate (in frames-per-second) * * @return string|null */ public function get_framerate() { if ($this->framerate !== null) { return $this->framerate; } return null; } /** * Get the preferred handler * * @return string|null One of 'flash', 'fmedia', 'quicktime', 'wmedia', 'mp3' */ public function get_handler() { return $this->get_real_type(true); } /** * Get a single hash * * @link http://www.rssboard.org/media-rss#media-hash * @param int $key * @return string|null Hash as per `media:hash`, prefixed with "$algo:" */ public function get_hash($key = 0) { $hashes = $this->get_hashes(); if (isset($hashes[$key])) { return $hashes[$key]; } return null; } /** * Get all credits * * @return array|null Array of strings, see {@see get_hash()} */ public function get_hashes() { if ($this->hashes !== null) { return $this->hashes; } return null; } /** * Get the height * * @return string|null */ public function get_height() { if ($this->height !== null) { return $this->height; } return null; } /** * Get the language * * @link http://tools.ietf.org/html/rfc3066 * @return string|null Language code as per RFC 3066 */ public function get_language() { if ($this->lang !== null) { return $this->lang; } return null; } /** * Get a single keyword * * @param int $key * @return string|null */ public function get_keyword($key = 0) { $keywords = $this->get_keywords(); if (isset($keywords[$key])) { return $keywords[$key]; } return null; } /** * Get all keywords * * @return array|null Array of strings */ public function get_keywords() { if ($this->keywords !== null) { return $this->keywords; } return null; } /** * Get length * * @return float Length in bytes */ public function get_length() { if ($this->length !== null) { return $this->length; } return null; } /** * Get the URL * * @return string|null */ public function get_link() { if ($this->link !== null) { return $this->link; } return null; } /** * Get the medium * * @link http://www.rssboard.org/media-rss#media-content * @return string|null Should be one of 'image', 'audio', 'video', 'document', 'executable' */ public function get_medium() { if ($this->medium !== null) { return $this->medium; } return null; } /** * Get the player URL * * Typically the same as {@see get_permalink()} * @return string|null Player URL */ public function get_player() { if ($this->player !== null) { return $this->player; } return null; } /** * Get a single rating * * @param int $key * @return \SimplePie\Rating|null */ public function get_rating($key = 0) { $ratings = $this->get_ratings(); if (isset($ratings[$key])) { return $ratings[$key]; } return null; } /** * Get all ratings * * @return array|null Array of {@see \SimplePie\Rating} objects */ public function get_ratings() { if ($this->ratings !== null) { return $this->ratings; } return null; } /** * Get a single restriction * * @param int $key * @return \SimplePie\Restriction|null */ public function get_restriction($key = 0) { $restrictions = $this->get_restrictions(); if (isset($restrictions[$key])) { return $restrictions[$key]; } return null; } /** * Get all restrictions * * @return array|null Array of {@see \SimplePie\Restriction} objects */ public function get_restrictions() { if ($this->restrictions !== null) { return $this->restrictions; } return null; } /** * Get the sampling rate (in kHz) * * @return string|null */ public function get_sampling_rate() { if ($this->samplingrate !== null) { return $this->samplingrate; } return null; } /** * Get the file size (in MiB) * * @return float|null File size in mebibytes (1048 bytes) */ public function get_size() { $length = $this->get_length(); if ($length !== null) { return round($length / 1048576, 2); } return null; } /** * Get a single thumbnail * * @param int $key * @return string|null Thumbnail URL */ public function get_thumbnail($key = 0) { $thumbnails = $this->get_thumbnails(); if (isset($thumbnails[$key])) { return $thumbnails[$key]; } return null; } /** * Get all thumbnails * * @return array|null Array of thumbnail URLs */ public function get_thumbnails() { if ($this->thumbnails !== null) { return $this->thumbnails; } return null; } /** * Get the title * * @return string|null */ public function get_title() { if ($this->title !== null) { return $this->title; } return null; } /** * Get mimetype of the enclosure * * @see get_real_type() * @return string|null MIME type */ public function get_type() { if ($this->type !== null) { return $this->type; } return null; } /** * Get the width * * @return string|null */ public function get_width() { if ($this->width !== null) { return $this->width; } return null; } /** * Embed the enclosure using `<embed>` * * @deprecated Use the second parameter to {@see embed} instead * * @param array|string $options See first parameter to {@see embed} * @return string HTML string to output */ public function native_embed($options = '') { return $this->embed($options, true); } /** * Embed the enclosure using Javascript * * `$options` is an array or comma-separated key:value string, with the * following properties: * * - `alt` (string): Alternate content for when an end-user does not have * the appropriate handler installed or when a file type is * unsupported. Can be any text or HTML. Defaults to blank. * - `altclass` (string): If a file type is unsupported, the end-user will * see the alt text (above) linked directly to the content. That link * will have this value as its class name. Defaults to blank. * - `audio` (string): This is an image that should be used as a * placeholder for audio files before they're loaded (QuickTime-only). * Can be any relative or absolute URL. Defaults to blank. * - `bgcolor` (string): The background color for the media, if not * already transparent. Defaults to `#ffffff`. * - `height` (integer): The height of the embedded media. Accepts any * numeric pixel value (such as `360`) or `auto`. Defaults to `auto`, * and it is recommended that you use this default. * - `loop` (boolean): Do you want the media to loop when it's done? * Defaults to `false`. * - `mediaplayer` (string): The location of the included * `mediaplayer.swf` file. This allows for the playback of Flash Video * (`.flv`) files, and is the default handler for non-Odeo MP3's. * Defaults to blank. * - `video` (string): This is an image that should be used as a * placeholder for video files before they're loaded (QuickTime-only). * Can be any relative or absolute URL. Defaults to blank. * - `width` (integer): The width of the embedded media. Accepts any * numeric pixel value (such as `480`) or `auto`. Defaults to `auto`, * and it is recommended that you use this default. * - `widescreen` (boolean): Is the enclosure widescreen or standard? * This applies only to video enclosures, and will automatically resize * the content appropriately. Defaults to `false`, implying 4:3 mode. * * Note: Non-widescreen (4:3) mode with `width` and `height` set to `auto` * will default to 480x360 video resolution. Widescreen (16:9) mode with * `width` and `height` set to `auto` will default to 480x270 video resolution. * * @todo If the dimensions for media:content are defined, use them when width/height are set to 'auto'. * @param array|string $options Comma-separated key:value list, or array * @param bool $native Use `<embed>` * @return string HTML string to output */ public function embed($options = '', $native = false) { // Set up defaults $audio = ''; $video = ''; $alt = ''; $altclass = ''; $loop = 'false'; $width = 'auto'; $height = 'auto'; $bgcolor = '#ffffff'; $mediaplayer = ''; $widescreen = false; $handler = $this->get_handler(); $type = $this->get_real_type(); $placeholder = ''; // Process options and reassign values as necessary if (is_array($options)) { extract($options); } else { $options = explode(',', $options); foreach ($options as $option) { $opt = explode(':', $option, 2); if (isset($opt[0], $opt[1])) { $opt[0] = trim($opt[0]); $opt[1] = trim($opt[1]); switch ($opt[0]) { case 'audio': $audio = $opt[1]; break; case 'video': $video = $opt[1]; break; case 'alt': $alt = $opt[1]; break; case 'altclass': $altclass = $opt[1]; break; case 'loop': $loop = $opt[1]; break; case 'width': $width = $opt[1]; break; case 'height': $height = $opt[1]; break; case 'bgcolor': $bgcolor = $opt[1]; break; case 'mediaplayer': $mediaplayer = $opt[1]; break; case 'widescreen': $widescreen = $opt[1]; break; } } } } $mime = explode('/', $type, 2); $mime = $mime[0]; // Process values for 'auto' if ($width === 'auto') { if ($mime === 'video') { if ($height === 'auto') { $width = 480; } elseif ($widescreen) { $width = round((intval($height) / 9) * 16); } else { $width = round((intval($height) / 3) * 4); } } else { $width = '100%'; } } if ($height === 'auto') { if ($mime === 'audio') { $height = 0; } elseif ($mime === 'video') { if ($width === 'auto') { if ($widescreen) { $height = 270; } else { $height = 360; } } elseif ($widescreen) { $height = round((intval($width) / 16) * 9); } else { $height = round((intval($width) / 4) * 3); } } else { $height = 376; } } elseif ($mime === 'audio') { $height = 0; } // Set proper placeholder value if ($mime === 'audio') { $placeholder = $audio; } elseif ($mime === 'video') { $placeholder = $video; } $embed = ''; // Flash if ($handler === 'flash') { if ($native) { $embed .= "<embed src=\"" . $this->get_link() . "\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\"></embed>"; } else { $embed .= "<script type='text/javascript'>embed_flash('$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$loop', '$type');</script>"; } } // Flash Media Player file types. // Preferred handler for MP3 file types. elseif ($handler === 'fmedia' || ($handler === 'mp3' && $mediaplayer !== '')) { $height += 20; if ($native) { $embed .= "<embed src=\"$mediaplayer\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" quality=\"high\" width=\"$width\" height=\"$height\" wmode=\"transparent\" flashvars=\"file=" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "&autostart=false&repeat=$loop&showdigits=true&showfsbutton=false\"></embed>"; } else { $embed .= "<script type='text/javascript'>embed_flv('$width', '$height', '" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "', '$placeholder', '$loop', '$mediaplayer');</script>"; } } // QuickTime 7 file types. Need to test with QuickTime 6. // Only handle MP3's if the Flash Media Player is not present. elseif ($handler === 'quicktime' || ($handler === 'mp3' && $mediaplayer === '')) { $height += 16; if ($native) { if ($placeholder !== '') { $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" href=\"" . $this->get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>"; } else { $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" src=\"" . $this->get_link() . "\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>"; } } else { $embed .= "<script type='text/javascript'>embed_quicktime('$type', '$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$placeholder', '$loop');</script>"; } } // Windows Media elseif ($handler === 'wmedia') { $height += 45; if ($native) { $embed .= "<embed type=\"application/x-mplayer2\" src=\"" . $this->get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\"></embed>"; } else { $embed .= "<script type='text/javascript'>embed_wmedia('$width', '$height', '" . $this->get_link() . "');</script>"; } } // Everything else else { $embed .= '<a href="' . $this->get_link() . '" class="' . $altclass . '">' . $alt . '</a>'; } return $embed; } /** * Get the real media type * * Often, feeds lie to us, necessitating a bit of deeper inspection. This * converts types to their canonical representations based on the file * extension * * @see get_type() * @param bool $find_handler Internal use only, use {@see get_handler()} instead * @return string MIME type */ public function get_real_type($find_handler = false) { // Mime-types by handler. $types_flash = ['application/x-shockwave-flash', 'application/futuresplash']; // Flash $types_fmedia = ['video/flv', 'video/x-flv','flv-application/octet-stream']; // Flash Media Player $types_quicktime = ['audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video']; // QuickTime $types_wmedia = ['application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx']; // Windows Media $types_mp3 = ['audio/mp3', 'audio/x-mp3', 'audio/mpeg', 'audio/x-mpeg']; // MP3 if ($this->get_type() !== null) { $type = strtolower($this->type); } else { $type = null; } // If we encounter an unsupported mime-type, check the file extension and guess intelligently. if (!in_array($type, array_merge($types_flash, $types_fmedia, $types_quicktime, $types_wmedia, $types_mp3))) { $extension = $this->get_extension(); if ($extension === null) { return null; } switch (strtolower($extension)) { // Audio mime-types case 'aac': case 'adts': $type = 'audio/acc'; break; case 'aif': case 'aifc': case 'aiff': case 'cdda': $type = 'audio/aiff'; break; case 'bwf': $type = 'audio/wav'; break; case 'kar': case 'mid': case 'midi': case 'smf': $type = 'audio/midi'; break; case 'm4a': $type = 'audio/x-m4a'; break; case 'mp3': case 'swa': $type = 'audio/mp3'; break; case 'wav': $type = 'audio/wav'; break; case 'wax': $type = 'audio/x-ms-wax'; break; case 'wma': $type = 'audio/x-ms-wma'; break; // Video mime-types case '3gp': case '3gpp': $type = 'video/3gpp'; break; case '3g2': case '3gp2': $type = 'video/3gpp2'; break; case 'asf': $type = 'video/x-ms-asf'; break; case 'flv': $type = 'video/x-flv'; break; case 'm1a': case 'm1s': case 'm1v': case 'm15': case 'm75': case 'mp2': case 'mpa': case 'mpeg': case 'mpg': case 'mpm': case 'mpv': $type = 'video/mpeg'; break; case 'm4v': $type = 'video/x-m4v'; break; case 'mov': case 'qt': $type = 'video/quicktime'; break; case 'mp4': case 'mpg4': $type = 'video/mp4'; break; case 'sdv': $type = 'video/sd-video'; break; case 'wm': $type = 'video/x-ms-wm'; break; case 'wmv': $type = 'video/x-ms-wmv'; break; case 'wvx': $type = 'video/x-ms-wvx'; break; // Flash mime-types case 'spl': $type = 'application/futuresplash'; break; case 'swf': $type = 'application/x-shockwave-flash'; break; } } if ($find_handler) { if (in_array($type, $types_flash)) { return 'flash'; } elseif (in_array($type, $types_fmedia)) { return 'fmedia'; } elseif (in_array($type, $types_quicktime)) { return 'quicktime'; } elseif (in_array($type, $types_wmedia)) { return 'wmedia'; } elseif (in_array($type, $types_mp3)) { return 'mp3'; } return null; } return $type; } } class_alias('SimplePie\Enclosure', 'SimplePie_Enclosure'); blocks/gallery-masonry/v1/block.json 0000644 00000000221 14717761760 0013474 0 ustar 00 { "name": "coblocks/gallery-masonry", "category": "media", "attributes": { "gridSize": { "type": "string", "default": "xlrg" } } } blocks/gallery-masonry/block.json 0000644 00000005023 14717761760 0013153 0 ustar 00 { "apiVersion": 2, "$schema": "https://schemas.wp.org/trunk/block.json", "name": "coblocks/gallery-masonry", "title": "Masonry Gallery", "category": "media", "description": "Display multiple images in a masonry style gallery.", "keywords": [ "images", "photos", "lightbox" ], "textdomain": "coblocks", "attributes": { "images": { "type": "array", "default": [], "source": "query", "selector": ".coblocks-gallery--item", "query": { "url": { "source": "attribute", "selector": "img", "attribute": "src" }, "link": { "source": "attribute", "selector": "img", "attribute": "data-link" }, "imgLink": { "source": "attribute", "selector": "img", "attribute": "data-imglink" }, "alt": { "source": "attribute", "selector": "img", "attribute": "alt", "default": "" }, "id": { "source": "attribute", "selector": "img", "attribute": "data-id" }, "caption": { "type": "array", "source": "children", "selector": "figcaption" } } }, "caption": { "type": "string", "source": "html", "selector": ".blocks-gallery-caption" }, "filter": { "default": "none", "type": "string" }, "linkTarget": { "type": "string" }, "linkTo": { "type": "string" }, "radius": { "type": "number", "default": 0 }, "sizeSlug": { "type": "string", "default": "large" }, "allowResize": { "type": "boolean", "default": false } }, "example": { "innerBlocks": [ { "attributes": { "url": "https://s.w.org/images/core/5.3/Sediment_off_the_Yucatan_Peninsula.jpg" }, "name": "core/image" }, { "attributes": { "url": "https://s.w.org/images/core/5.3/Windbuchencom.jpg" }, "name": "core/image" }, { "attributes": { "url": "https://s.w.org/images/core/5.3/Biologia_Centrali-Americana_-_Cantorchilus_semibadius_1902.jpg" }, "name": "core/image" }, { "attributes": { "url": "https://s.w.org/images/core/5.3/MtBlanc1.jpg" }, "name": "core/image" }, { "attributes": { "url": "https://s.w.org/images/core/5.3/Glacial_lakes,_Bhutan.jpg" }, "name": "core/image" } ] }, "providesContext": { "allowResize": "allowResize", "imageCrop": "imageCrop" }, "editorScript": ["coblocks-5"], "viewScript": ["coblocks-lightbox"], "supports": { "anchor": true, "gutter": { "default": "medium", "customDefault": 0.2 }, "align": [ "wide", "full" ], "coBlocksSpacing": true, "html": false } } blocks/alert/block.json 0000644 00000000453 14717761760 0011137 0 ustar 00 { "$schema": "https://schemas.wp.org/trunk/block.json", "name": "coblocks/alert", "attributes": { "content": { "type": "string" } }, "supports": { "color": { "link": false } }, "textdomain": "coblocks", "editorScript": ["coblocks-1"], "title": "Alert", "category": "theme" } blocks/events/block.json 0000644 00000001306 14717761760 0011332 0 ustar 00 { "name": "coblocks/events", "category": "layout", "attributes": { "align": { "type": "string" }, "externalCalendarUrl": { "type": "string", "default": "" }, "eventsRange": { "type": "string", "default": "all" }, "eventsToShow": { "type": "number", "default": 5 }, "textColor": { "type": "string" }, "customTextColor": { "type": "string" }, "showCarousel": { "type": "boolean", "default": true } }, "title": "Events", "textdomain": "coblocks", "description": "Add a list of events or display events from a public calendar.", "editorScript": ["coblocks-2"], "viewScript": ["coblocks-tiny-swiper","coblocks-events"], "render": "index.php" } blocks/events/index.php 0000644 00000021260 14717761760 0011166 0 ustar 00 <?php /** * Server-side rendering of the `coblocks/events` block. * * @package CoBlocks */ /** * Renders the `events` block on server. * * @param array $attributes The block attributes. * @param string $content The post content. * * @return string Returns the events content. */ function coblocks_render_coblocks_events_block( $attributes, $content ) { if ( empty( $attributes['externalCalendarUrl'] ) ) { return $content; } // If externalCalendarUrl contains a localhost URL, return an error message. if ( strpos( $attributes['externalCalendarUrl'], 'localhost' ) !== false || strpos( $attributes['externalCalendarUrl'], '127.0' ) !== false ) { return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'An error has occurred. localhost URLs are not permitted.', 'coblocks' ) . '</div></div>'; } try { $ical = new \CoBlocks_ICal( false, // Default values. array( 'default_span' => 2, 'default_time_zone' => 'UTC', 'default_week_start' => 'MO', 'disable_character_replacement' => false, 'filter_days_after' => null, 'filter_days_before' => null, 'skip_recurrence' => false, 'use_timezone_with_r_rules' => false, ) ); $ical->initUrl( esc_url_raw( $attributes['externalCalendarUrl'] ) ); // @codingStandardsIgnoreLine. if ( 'all' === $attributes['eventsRange'] ) { $events = $ical->eventsFromRange(); // @codingStandardsIgnoreLine. } else { $events = $ical->eventsFromInterval( $attributes['eventsRange'] ); // @codingStandardsIgnoreLine. } // Limit to 100 events. $events = array_slice( $events, 0, 100 ); $text_color_class = is_array( $attributes ) && isset( $attributes['textColor'] ) ? "has-{$attributes['textColor']}-color" : false; $custom_text_color = is_array( $attributes ) && isset( $attributes['customTextColor'] ) && isset( $attributes['hasColors'] ) && ( ! $attributes['hasColors'] && ! isset( $attributes['textColor'] ) ) ? "color: {$attributes['customTextColor']};" : ''; $class = 'wp-block-coblocks-events'; if ( true === $attributes['showCarousel'] ) { $class .= ' swiper-wrapper-loading'; } if ( isset( $attributes['className'] ) ) { $class .= ' ' . $attributes['className']; } if ( isset( $attributes['align'] ) ) { $class .= ' align' . $attributes['align']; } $events_layout = '<div class="wp-block-coblocks-events wp-block-coblocks-events-front-container">'; $events_layout .= sprintf( '<div class="swiper-container-external wp-block-coblocks-front-events-swiper-container"><div class="%1$s" data-per-page="%2$s">', esc_attr( $class ), esc_attr( $attributes['eventsToShow'] ) ); foreach ( $events as $event ) { $events_layout .= '<div class="wp-block-coblocks-event-item swiper-slide">'; $dtstart = $ical->icalDateToDateTime( $event->dtstart_array[3] ); // @codingStandardsIgnoreLine. $dtend = $ical->icalDateToDateTime( $event->dtend_array[3] ); // @codingStandardsIgnoreLine. $start_date_string = strtotime( $dtstart->format( 'YmdHis' ) ); $end_date_string = strtotime( $dtend->format( 'YmdHis' ) ); $year = gmdate( 'Y', $start_date_string ); $month = gmdate( 'F', $start_date_string ); $start_date = gmdate( 'd', $start_date_string ); $end_date = gmdate( 'd', $end_date_string ); $start_time = gmdate( 'c', $start_date_string ); $end_time = gmdate( 'c', $end_date_string ); $time_string = $start_time . ' - ' . $end_time; $title = $event->summary; $description = $event->description; $location = $event->location; $event_duration = $end_date_string - $start_date_string; $is_timed_event = str_contains( $event->dtstart, 'Z' ); $one_day = 86400; if ( $event_duration === $one_day && ! $is_timed_event ) { $event_time_string = sprintf( '<span class="wp-block-coblocks-events__time">%1$s - %2$s</span>', gmdate( 'g:ia', $start_date_string ), gmdate( 'g:ia', $end_date_string ) ); $events_layout .= coblocks_render_single_day_event_item( $start_date, $month, $year, $title, $description, $event_time_string, $location ); } elseif ( $event_duration > $one_day && ! $is_timed_event ) { $event_time_string = sprintf( '<span class="wp-block-coblocks-events__time">%1$s - %2$s</span>', gmdate( 'g:ia', $start_date_string ), gmdate( 'g:ia', $end_date_string ) ); $events_layout .= coblocks_render_multi_day_event_item( $start_date, $end_date - 1, $month, $year, $title, $description, $event_time_string, $location ); } elseif ( $event_duration < $one_day && $is_timed_event ) { $event_time_string = sprintf( '<span data-start-time=%1$s data-end-time=%2$s class="wp-block-coblocks-events__time wp-block-coblocks-events__time-formatted"></span>', gmdate( 'c', $start_date_string ), gmdate( 'c', $end_date_string ) ); $events_layout .= coblocks_render_single_day_event_item( $start_date, $month, $year, $title, $description, $event_time_string, $location ); } elseif ( $event_duration > $one_day || $event_duration === $one_day && $is_timed_event ) { $event_time_string = sprintf( '<span data-start-time=%1$s data-end-time=%2$s class="wp-block-coblocks-events__time wp-block-coblocks-events__time-formatted"></span>', gmdate( 'c', $start_date_string ), gmdate( 'c', $end_date_string ) ); $events_layout .= coblocks_render_multi_day_event_item( $start_date, $end_date, $month, $year, $title, $description, $event_time_string, $location ); } else { $events_layout .= coblocks_render_single_day_event_item( $start_date, $month, $year, $title, $description, null, $location ); } $events_layout .= '</div>'; } $events_layout .= '</div>'; $events_layout .= sprintf( '<button class="wp-coblocks-events-nav-button__prev" id="wp-coblocks-event-swiper-prev" style="visibility: hidden" aria-label="%s"/>', __( 'Previous post', 'coblocks' ) ); $events_layout .= sprintf( '<button class="wp-coblocks-events-nav-button__next" id="wp-coblocks-event-swiper-next" style="visibility: hidden" aria-label="%s"/>', __( 'Next post', 'coblocks' ) ); $events_layout .= '</div>'; $events_layout .= '</div>'; return $events_layout; } catch ( \Exception $e ) { return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'An error has occurred, check for calendar privileges to make sure it is public or try again later.', 'coblocks' ) . '</div></div>'; } } /** * Formats a generic event item into HTML * * @param string $date_range the range of dates for the event. * @param string $month month of the event. * @param string $year year of the event. * @param string $title title of event. * @param string $description string description of event. * @param string $time_string the time range of the event. * @param string $location location of the event. */ function coblocks_render_event_item( $date_range, $month, $year, $title, $description, $time_string, $location ) { $event_layout = sprintf( ' <div class="wp-block-coblocks-events__date"> <span class="wp-block-coblocks-events__day">%1s</span> <div> <span class="wp-block-coblocks-events__month">%2$s</span> <span class="wp-block-coblocks-events__year">%3$s</span> </div> </div>', $date_range, $month, $year ); $event_layout .= sprintf( '<div class="wp-block-coblocks-events__content"> <span class="wp-block-coblocks-events__title">%1$s</span> <span class="wp-block-coblocks-events__description">%2$s</span> </div>', $title, $description ); $event_layout .= sprintf( '<div class="wp-block-coblocks-events__details"> %1$s <span class="wp-block-coblocks-events__location">%2$s</span> </div>', $time_string, $location ); return $event_layout; } /** * Formats a multi-day event into HTML * * @param string $start_date start date of event. * @param string $end_date end date of event. * @param mixed ...$event_data list of event data arguments. */ function coblocks_render_multi_day_event_item( $start_date, $end_date, ...$event_data ) { $date_range = $start_date; $date_range .= ' - '; $date_range .= $end_date; return coblocks_render_event_item( $date_range, ...$event_data ); } /** * Formats a single-day event into HTML * * @param mixed ...$event_data event data. */ function coblocks_render_single_day_event_item( ...$event_data ) { return coblocks_render_event_item( ...$event_data ); } blocks/events/event-item/block.json 0000644 00000002170 14717761760 0013407 0 ustar 00 { "name": "coblocks/event-item", "category": "layout", "attributes": { "title": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-events__title" }, "description": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-events__description" }, "eventDay": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-events__day" }, "eventMonth": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-events__month" }, "eventYear": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-events__year" }, "eventTime": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-events__time" }, "eventLocation": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-events__location" }, "textColor": { "type": "string" }, "customTextColor": { "type": "string" } }, "title": "Event Item", "textdomain": "coblocks", "description": "An event within the events block.", "editorScript": ["coblocks-2"], "parent": [ "coblocks/events" ] } blocks/map/block.json 0000644 00000002064 14717761760 0010605 0 ustar 00 { "name": "coblocks/map", "category": "layout", "attributes": { "address": { "type": "string" }, "lat": { "type": "string" }, "lng": { "type": "string" }, "hasApiKey": { "type": "boolean", "default": false }, "pinned": { "type": "boolean", "default": false }, "height": { "type": "number", "default": 400 }, "skin": { "type": "string", "default": "standard" }, "zoom": { "type": "number", "default": 12 }, "iconSize": { "type": "number", "default": 36 }, "mapTypeControl": { "type": "boolean", "default": true }, "zoomControl": { "type": "boolean", "default": true }, "streetViewControl": { "type": "boolean", "default": true }, "fullscreenControl": { "type": "boolean", "default": true }, "controls": { "type": "boolean", "default": true }, "hasError": { "type": "string" } }, "title": "Map", "textdomain": "coblocks", "editorScript": ["coblocks-12"], "description": "Add an address or location to drop a pin on a Google map." } blocks/shape-divider/block.json 0000644 00000001564 14717761760 0012560 0 ustar 00 { "name": "coblocks/shape-divider", "category": "layout", "attributes": { "shapeHeight": { "type": "string", "default": "100px" }, "backgroundHeight": { "type": "string", "default": "50px" }, "verticalFlip": { "type": "boolean", "default": false }, "horizontalFlip": { "type": "boolean", "default": false }, "color": { "type": "string" }, "customColor": { "type": "string", "default": "#111" }, "backgroundColor": { "type": "string" }, "customBackgroundColor": { "type": "string" }, "noBottomMargin": { "type": "boolean", "default": true }, "noTopMargin": { "type": "boolean", "default": true } }, "title": "Shape Divider", "textdomain": "coblocks", "description": "Add a shape divider to visually distinguish page sections.", "editorScript": ["coblocks-10"], "render": "index.php" } blocks/shape-divider/index.php 0000644 00000014103 14717761760 0012404 0 ustar 00 <?php /** * Server-side rendering of the `coblocks/shape-divider` block. * * @package CoBlocks */ /** * Renders the `coblocks/shape-divider` block. * * @param array $attributes The block attributes. * * @return string Returns the shape divider content. */ function coblocks_render_coblocks_shape_divider_block( $attributes ) { $dividers = array( 'wavy' => '<svg class="divider--wavy" viewBox="0 0 100 10" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><path d="m42.19.65c2.26-.25 5.15.04 7.55.53 2.36.49 7.09 2.35 10.05 3.57 7.58 3.22 13.37 4.45 19.26 4.97 2.36.21 4.87.35 10.34-.25s10.62-2.56 10.62-2.56v-6.91h-100.01v3.03s7.2 3.26 15.84 3.05c3.92-.07 9.28-.67 13.4-2.24 2.12-.81 5.22-1.82 7.97-2.42 2.72-.63 3.95-.67 4.98-.77z" fillRule="evenodd" transform="matrix(1 0 0 -1 0 10)" /></svg>', 'waves' => '<svg class="divider--waves" fill="" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 300" preserveAspectRatio="none"><path d="M 1000 299 l 2 -279 c -155 -36 -310 135 -415 164 c -102.64 28.35 -149 -32 -232 -31 c -80 1 -142 53 -229 80 c -65.54 20.34 -101 15 -126 11.61 v 54.39 z"></path><path d="M 1000 286 l 2 -252 c -157 -43 -302 144 -405 178 c -101.11 33.38 -159 -47 -242 -46 c -80 1 -145.09 54.07 -229 87 c -65.21 25.59 -104.07 16.72 -126 10.61 v 22.39 z"></path><path d="M 1000 300 l 1 -230.29 c -217 -12.71 -300.47 129.15 -404 156.29 c -103 27 -174 -30 -257 -29 c -80 1 -130.09 37.07 -214 70 c -61.23 24 -108 15.61 -126 10.61 v 22.39 z"></path></svg>', 'sloped' => '<svg class="divider--sloped" aria-hidden xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0 100 C 20 0 50 0 100 100 Z"></path></svg>', 'rounded' => '<svg class="divider--rounded" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewBox="0 0 240 24" enableBackground="new 0 0 240 24" preserveAspectRatio="none"><path d="M119.849,0C47.861,0,0,24,0,24h240C240,24,191.855,0.021,119.849,0z" /></svg>', 'angled' => '<svg class="divider--angled" aria-hidden xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><polygon points="0,100 100,0 100,100" /></svg>', 'triangle' => '<svg class="divider--triangle" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><path d="m0 0 50 100 50-100z" fillRule="evenodd" transform="matrix(1 0 0 -1 0 100)" /></svg>', 'pointed' => '<svg class="divider--pointed" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" preserveAspectRatio="none"><path d="M737.9,94.7L0,0v100h1000V0L737.9,94.7z"></path></svg>', 'hills' => '<svg class="divider--hills" viewBox="0 0 1920 105" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><g fillRule="evenodd" transform="matrix(1 0 0 -1 0 105)"><path d="m1920 14.8827052c-116.23325 0-224.05162 88.3906828-395.09265 88.3906828-160.92196 0-254.53172-83.4344997-444.90735-83.4344997-154.297581 0-240.095847 39.6344097-367.66819 39.6344097-154.121863 0-198.902329-36.1223133-349.458242-36.1223133-144.878137 0-241.175717 80.8685493-362.873568 80.8685493 0-34.0793243 0-68.1494291 0-102.219534h1920z" /><path d="m1920 14.6612844c-116.11434 0-223.9659 88.8291396-395.06196 88.8291396-160.92415 0-254.54487-83.7874573-444.93804-83.7874573-154.317311 0-240.088941 39.8974838-367.565152 39.8974838-154.034172 0-198.792715-36.4840402-349.164477-36.4840402-144.965828 0-241.283139 81.1250467-363.270371 81.1250467 0-34.7474052 0-69.4948104 0-104.241457h1920z" /></g></svg>', ); $has_style = isset( $attributes['className'] ) && preg_match( '/is\-style\-([\w]+)/', $attributes['className'], $style_match ); $style_slug = 'wavy'; if ( $has_style && isset( $style_match[1] ) ) { $style_slug = $style_match[1]; } $foreground_color_class = isset( $attributes['color'] ) ? "has-{$attributes['color']}-color" : false; $foreground_color_custom = isset( $attributes['customColor'] ) && empty( $foreground_color_class ) ? "color: {$attributes['customColor']};" : false; if ( empty( $foreground_color_class ) && empty( $foreground_color_custom ) ) { $foreground_color_custom = 'color: #111;'; } $background_color_class = isset( $attributes['backgroundColor'] ) ? "has-{$attributes['backgroundColor']}-background-color" : false; $background_color_custom = isset( $attributes['customBackgroundColor'] ) && empty( $background_color_class ) ? "background-color: {$attributes['customBackgroundColor']};" : false; $is_vertically_flipped = empty( $attributes['verticalFlip'] ) ? false : 'is-vertically-flipped'; $is_horizontally_flipped = empty( $attributes['horizontalFlip'] ) ? false : 'is-horizontally-flipped'; $shape_height = isset( $attributes['shapeHeight'] ) ? $attributes['shapeHeight'] : '100px'; $background_height = isset( $attributes['backgroundHeight'] ) ? $attributes['backgroundHeight'] : '50px'; $no_bottom_margin_class = ! isset( $attributes['noBottomMargin'] ) || ( isset( $attributes['noBottomMargin'] ) && false !== $attributes['noBottomMargin'] ) ? 'mb-0' : false; $no_top_margin_class = ! isset( $attributes['noTopMargin'] ) || ( isset( $attributes['noTopMargin'] ) && false !== $attributes['noTopMargin'] ) ? 'mt-0' : false; $wrapper_classes = implode( ' ', array_filter( array( isset( $attributes['align'] ) ? 'align' . $attributes['align'] : false, isset( $attributes['className'] ) ? $attributes['className'] : false, $foreground_color_class, $background_color_class, $is_vertically_flipped, $is_horizontally_flipped, $no_top_margin_class, $no_bottom_margin_class, ) ) ); $wrapper_styles = implode( ' ', array_filter( array( $foreground_color_custom, $background_color_custom, ) ) ); return sprintf( '<div class="wp-block-coblocks-shape-divider %1$s" style="%2$s" aria-hidden="true"> <div class="wp-block-coblocks-shape-divider__svg-wrapper" style="height:%3$s;"> %5$s </div> <div class="wp-block-coblocks-shape-divider__alt-wrapper" style="height:%4$s;"></div> </div>', esc_attr( $wrapper_classes ), esc_attr( $wrapper_styles ), esc_attr( $shape_height ), esc_attr( $background_height ), $dividers[ $style_slug ] ); } blocks/media-card/block.json 0000644 00000001712 14717761760 0012015 0 ustar 00 { "name": "coblocks/media-card", "category": "layout", "attributes": { "mediaPosition": { "type": "string", "default": "left" }, "mediaAlt": { "type": "string", "source": "attribute", "selector": "figure img", "attribute": "alt", "default": "" }, "mediaId": { "type": "number" }, "mediaUrl": { "type": "string", "source": "attribute", "selector": "div div figure video, div div figure img", "attribute": "src" }, "mediaType": { "type": "string" }, "mediaWidth": { "type": "number", "default": 55 }, "align": { "type": "string", "default": "wide" }, "maxWidth": { "type": "number" }, "hasImgShadow": { "type": "boolean", "default": false }, "hasCardShadow": { "type": "boolean", "default": false } }, "title": "Media Card", "textdomain": "coblocks", "editorScript": ["coblocks-7"], "description": "Add an image or video with an offset card side-by-side." } blocks/pricing-table/block.json 0000644 00000000567 14717761760 0012556 0 ustar 00 { "name": "coblocks/pricing-table", "category": "layout", "attributes": { "count": { "type": "number", "default": 2 }, "contentAlign": { "type": "string", "default": "center" } }, "title": "Pricing Table", "textdomain": "coblocks", "editorScript": ["coblocks-6"], "description": "Add pricing tables to help visitors compare products and plans." } blocks/pricing-table/pricing-table-item/block.json 0000644 00000001605 14717761760 0016224 0 ustar 00 { "name": "coblocks/pricing-table-item", "category": "layout", "attributes": { "title": { "source": "children", "selector": ".wp-block-coblocks-pricing-table-item__title" }, "currency": { "type": "array", "source": "children", "selector": ".wp-block-coblocks-pricing-table-item__currency" }, "amount": { "type": "array", "source": "children", "selector": ".wp-block-coblocks-pricing-table-item__amount" }, "backgroundColor": { "type": "string" }, "customBackgroundColor": { "type": "string" }, "textColor": { "type": "string" }, "customTextColor": { "type": "string" }, "placeholder": { "type": "string" } }, "title": "Pricing Table Item", "textdomain": "coblocks", "description": "A pricing table to help visitors compare products and plans.", "editorScript": ["coblocks-6"], "parent": [ "coblocks/pricing-table" ] } blocks/row/block.json 0000644 00000001006 14717761760 0010632 0 ustar 00 { "name": "coblocks/row", "category": "layout", "attributes": { "id": { "type": "number" }, "columns": { "type": "number" }, "layout": { "type": "string" }, "textColor": { "type": "string" }, "customTextColor": { "type": "string" }, "verticalAlignment": { "type": "string" } }, "title": "Row", "textdomain": "coblocks", "editorScript": ["coblocks-6"], "description": "Add a structured wrapper for column blocks, then add content blocks you’d like to the columns." } blocks/row/column/block.json 0000644 00000000713 14717761760 0012133 0 ustar 00 { "name": "coblocks/column", "category": "layout", "attributes": { "width": { "type": "string" }, "contentAlign": { "type": "string" }, "textColor": { "type": "string" }, "customTextColor": { "type": "string" }, "verticalAlignment": { "type": "string" } }, "title": "Column", "textdomain": "coblocks", "description": "An immediate child of a row.", "editorScript": ["coblocks-2"], "parent": [ "coblocks/row" ] } blocks/gallery-offset/block.json 0000644 00000000515 14717761760 0012752 0 ustar 00 { "name": "coblocks/gallery-offset", "category": "media", "attributes": { "gridSize": { "type": "string", "default": "small" } }, "title": "Offset", "textdomain": "coblocks", "editorScript": ["coblocks-7"], "viewScript": ["coblocks-lightbox"], "description": "Display images in an offset brick pattern gallery." } blocks/hero/block.json 0000644 00000002065 14717761760 0010766 0 ustar 00 { "name": "coblocks/hero", "category": "layout", "attributes": { "align": { "type": "string", "default": "full" }, "contentAlign": { "type": "string" }, "textColor": { "type": "string" }, "customTextColor": { "type": "string" }, "maxWidth": { "type": "number", "default": 560 }, "saveCoBlocksMeta": { "type": "boolean", "default": true }, "paddingSize": { "type": "string", "default": "huge" }, "paddingUnit": { "type": "string", "default": "px" }, "paddingTop": { "type": "number", "default": 60 }, "paddingBottom": { "type": "number", "default": 60 }, "paddingLeft": { "type": "number", "default": 60 }, "paddingRight": { "type": "number", "default": 60 }, "customBackgroundColor": { "type": "string" }, "height": { "type": "number", "default": 500 } }, "title": "Hero", "textdomain": "coblocks", "editorScript": ["coblocks-9"], "description": "An introductory area of a page accompanied by a small amount of text and a call to action." } blocks/counter/block.json 0000644 00000002076 14717761760 0011512 0 ustar 00 { "apiVersion": 2, "$schema": "https://schemas.wp.org/trunk/block.json", "name": "coblocks/counter", "title": "Counter", "category": "widgets", "description": "Utilize the CoBlocks Counter block to highlight your company statistics and milestones.", "keywords": [ "numbers", "stats" ], "textdomain": "coblocks", "attributes": { "align": { "type": "string" }, "counterDescription": { "type": "string" }, "counterSpeed": { "type": "number", "default": 1 }, "counterText": { "type": "string" }, "numberFormatting": { "type": "boolean", "default": false } }, "supports": { "anchor": true, "html": false, "color": { "link": true }, "typography": { "fontSize": true, "lineHeight": true, "__experimentalFontStyle": true, "__experimentalFontWeight": true, "__experimentalLetterSpacing": true, "__experimentalTextTransform": true, "__experimentalDefaultControls": { "fontSize": true } } }, "editorScript": ["coblocks-13"], "viewScript": ["coblocks-counter-script"] } blocks/counter/index.php 0000644 00000005211 14717761760 0011337 0 ustar 00 <?php /** * This file defines a function and adds an action to register Counter patterns. * * @package CoBlocks */ /** * Registers the Counter block patterns. */ function coblocks_counter_register_block_patterns() { // We include viewport when version is below 5.9. // WordPress 5.9 renders pattern previews differently. $should_include_viewport = ! is_wp_version_compatible( '5.9' ); $icon_array = array( 'title' => __( 'Counter and Icon block Group', 'coblocks' ), 'blockTypes' => array( 'core/group', 'coblocks/counter', 'coblocks/icon' ), 'content' => '<!-- wp:group {"backgroundColor":"tertiary"} --><div class="wp-block-group has-tertiary-background-color has-background"><!-- wp:coblocks/icon {"icon":"build","contentAlign":"center","iconColor":"primary","className":"is-style-outlined"} /--><!-- wp:coblocks/counter {"align":"center","counterDescription":"Hours Worked","counterText":"\u003cstrong\u003e1000\u003c/strong\u003e","textColor":"primary","fontSize":"small"} --><div class="wp-block-coblocks-counter has-text-align-center has-primary-color has-text-color has-small-font-size" data-counter-speed="1"><strong>1000</strong></div><div class="wp-block-coblocks-counter has-text-align-center has-primary-color has-text-color has-small-font-size" data-counter-speed="1">Hours Worked</div><!-- /wp:coblocks/counter --></div><!-- /wp:group -->', 'categories' => array( 'coblocks' ), ); $multi_digits_array = array( 'title' => __( 'Counter with multiple inline digits', 'coblocks' ), 'blockTypes' => array( 'coblocks/counter' ), 'content' => '<!-- wp:coblocks/counter {"align":"center","counterDescription":"Since Last Incident","counterText":"\u003cmeta charset=\u0022utf-8\u0022\u003e10 days, 20 hours","fontSize":"small"} --><div class="wp-block-coblocks-counter has-text-align-center has-small-font-size" data-counter-speed="1"><meta charset="utf-8">10 days, 20 hours</div><div class="wp-block-coblocks-counter has-text-align-center has-small-font-size" data-counter-speed="1">Since Last Incident</div><!-- /wp:coblocks/counter -->', 'categories' => array( 'coblocks' ), ); if ( $should_include_viewport ) { foreach ( array( $icon_array, $multi_digits_array ) as &$pattern_array ) { array_push( $pattern_array, array( 'viewport' => '150' ) ); }; unset( $pattern_array ); } register_block_pattern( 'counter/with-icon', $icon_array ); register_block_pattern( 'counter/with-multiple-digits', $multi_digits_array ); register_block_pattern_category( 'coblocks', array( 'label' => 'Coblocks', 'description' => 'Coblocks Patterns', ) ); } add_action( 'init', 'coblocks_counter_register_block_patterns' ); blocks/gallery-stacked/block.json 0000644 00000003610 14717761760 0013101 0 ustar 00 { "apiVersion": 2, "$schema": "https://schemas.wp.org/trunk/block.json", "name": "coblocks/gallery-stacked", "category": "media", "attributes": { "captions": { "default": false, "type": "boolean" }, "filter": { "default": "none", "type": "string" }, "images": { "default": [], "query": { "alt": { "attribute": "alt", "default": "", "selector": "img", "source": "attribute" }, "caption": { "selector": "figcaption", "source": "children", "type": "array" }, "id": { "attribute": "data-id", "selector": "img", "source": "attribute" }, "imgLink": { "attribute": "data-imglink", "selector": "img", "source": "attribute" }, "link": { "attribute": "data-link", "selector": "img", "source": "attribute" }, "url": { "attribute": "src", "selector": "img", "source": "attribute" } }, "selector": ".coblocks-gallery--item", "source": "query", "type": "array" }, "lightbox": { "default": false, "type": "boolean" }, "linkTo": { "default": "none", "type": "string" }, "radius": { "default": 0, "type": "number" }, "shadow": { "default": "none", "type": "string" }, "fullwidth": { "type": "boolean", "default": true } }, "supports": { "align": true, "anchor": true, "html": false, "coBlocksSpacing": true, "gutter": { "default": "custom", "customDefault": 0 }, "typography": { "fontSize": true, "lineHeight": true, "__experimentalFontStyle": true, "__experimentalFontWeight": true, "__experimentalLetterSpacing": true, "__experimentalTextTransform": true } }, "textdomain": "coblocks", "title": "Stacked", "editorScript": ["coblocks-10"], "viewScript": ["coblocks-lightbox"], "description": "Display multiple images in a single column stacked gallery." } blocks/icon/block.json 0000644 00000002004 14717761760 0010752 0 ustar 00 { "name": "coblocks/icon", "category": "design", "attributes": { "icon": { "type": "string", "default": "" }, "iconSize": { "type": "string", "default": "medium" }, "contentAlign": { "type": "string" }, "hasContentAlign": { "type": "boolean", "default": true }, "backgroundColor": { "type": "string" }, "customBackgroundColor": { "type": "string" }, "iconColor": { "type": "string" }, "customIconColor": { "type": "string" }, "height": { "type": "number", "default": 60 }, "width": { "type": "number", "default": 60 }, "borderRadius": { "type": "number", "default": 0 }, "padding": { "type": "number", "default": 0 }, "href": { "type": "string" }, "rel": { "type": "string" }, "linkTarget": { "type": "string" } }, "title": "Icon", "textdomain": "coblocks", "description": "Add a stylized graphic symbol to communicate something more.", "editorScript": ["coblocks-8"], "render": "index.php" } blocks/icon/index.php 0000644 00000007731 14717761760 0010621 0 ustar 00 <?php /** * Server-side rendering of the `coblocks/icon` block. * * @package CoBlocks */ /** * Renders the block on server. * * @param array $attrs The block attributes. * * @return string Returns the block content. */ function coblocks_render_coblocks_icon_block( $attrs ) { if ( ! is_array( $attrs ) ) { $attrs = array(); } $wrapper_classes = array( 'wp-block-coblocks-icon', ! empty( $attrs['contentAlign'] ) ? "has-text-align-{$attrs['contentAlign']}" : false, ! empty( $attrs['className'] ) ? $attrs['className'] : false, ); $icon_color_class = ! empty( $attrs['iconColor'] ) ? _wp_to_kebab_case( $attrs['iconColor'] ) : false; $background_color_class = ! empty( $attrs['backgroundColor'] ) ? _wp_to_kebab_case( $attrs['backgroundColor'] ) : false; $inner_classes = array( 'wp-block-coblocks-icon__inner', $background_color_class ? "has-{$background_color_class}-background-color" : false, ( ! empty( $attrs['backgroundColor'] ) || ! empty( $attrs['customBackgroundColor'] ) ) ? 'has-background' : false, ( ! empty( $attrs['iconColor'] ) || ! empty( $attrs['customIconColor'] ) ) ? 'has-text-color' : false, $icon_color_class ? "has-{$icon_color_class}-color" : false, ); $color_styles = array( ! empty( $attrs['customBackgroundColor'] ) ? "background-color: {$attrs['customBackgroundColor']};" : false, ! empty( $attrs['customIconColor'] ) ? "color: {$attrs['customIconColor']}; fill: {$attrs['customIconColor']};" : false, ); $inner_styles = array( ! empty( $attrs['borderRadius'] ) ? "border-radius: {$attrs['borderRadius']}px;" : false, ! empty( $attrs['height'] ) ? "height: {$attrs['height']}px;" : false, ! empty( $attrs['padding'] ) ? "padding: {$attrs['padding']}px;" : false, ! empty( $attrs['width'] ) ? "width: {$attrs['width']}px;" : false, ); // If there is no anchor put the color styles on the outer div. if ( empty( $attrs['href'] ) ) { $inner_styles = array_merge( $inner_styles, $color_styles ); } $color_styles = implode( ' ', array_filter( $color_styles ) ); $wrapper_classes = implode( ' ', array_filter( $wrapper_classes ) ); $inner_classes = implode( ' ', array_filter( $inner_classes ) ); $inner_styles = implode( ' ', array_filter( $inner_styles ) ); // Icon fetch. $icon_style = '-outlined'; $icon_name = _wp_to_kebab_case( $attrs['icon'] ); $icon_path = COBLOCKS_PLUGIN_DIR . "src/blocks/icon/svgs/$icon_name"; $custom_icon_path = get_stylesheet_directory() . "/coblocks/icons/$icon_name"; $icon = ''; if ( isset( $attrs['className'] ) && false !== strpos( $attrs['className'], 'is-style-filled' ) ) { // Filled doesn't have an extension. Only outlined does. Legacy behavior. $icon_style = ''; $icon_name = $attrs['icon']; } $custom_icon_path = is_readable( "$custom_icon_path$icon_style.svg" ) ? "$custom_icon_path$icon_style.svg" : $custom_icon_path . '.svg'; $icon_path = is_readable( "$icon_path$icon_style.svg" ) ? "$icon_path$icon_style.svg" : $icon_path . '.svg'; if ( is_readable( $custom_icon_path ) ) { // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents $icon = file_get_contents( $custom_icon_path ); } elseif ( is_readable( $icon_path ) ) { // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents $icon = file_get_contents( $icon_path ); } if ( ! empty( $attrs['href'] ) ) { $icon = sprintf( '<a href="%1$s" rel="%2$s" target="%3$s" style="%4$s">%5$s</a>', esc_url( $attrs['href'] ), ! empty( $attrs['rel'] ) ? esc_attr( $attrs['rel'] ) : '', ! empty( $attrs['linkTarget'] ) ? esc_attr( $attrs['linkTarget'] ) : '_self', esc_attr( $color_styles ), // To make sure the color gets to the svg when there is an anchor. $icon ); } return trim( sprintf( ' <div class="%1$s"> <div class="%2$s" style="%3$s"> %4$s </div> </div> ', esc_attr( $wrapper_classes ), esc_attr( $inner_classes ), esc_attr( $inner_styles ), $icon ) ); } blocks/icon/svgs/dining.svg 0000644 00000001163 14717761760 0011745 0 ustar 00 <svg fill="none" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="m5.6064238 11.1802028 2.96010809-2.96010811-7.34274162-7.33228187c-1.63172036 1.63172036-1.63172036 4.27803607 0 5.92021617zm7.0917077-1.89321403c1.6003411.74264193 3.8491865.21965466 5.5122861-1.44344493 1.9978115-1.99781147 2.3848221-4.86378185.8472394-6.40136449-1.5271229-1.5271229-4.3930933-1.15057205-6.4013645.84723942-1.6630996 1.66309959-2.1860869 3.91194496-1.4434449 5.51228608l-10.20871199 10.20871195 1.47482417 1.4748242 7.20676492-7.1858454 7.1963052 7.1963052 1.4748241-1.4748242-7.1963051-7.1963052z" fill="currentColor" /></svg> blocks/icon/svgs/devicesalternate.svg 0000644 00000000664 14717761760 0014024 0 ustar 00 <svg fill="none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M3 6h18V4H3c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h4v-2H3V6zm10 6H9v1.78c-.61.55-1 1.33-1 2.22s.39 1.67 1 2.22V20h4v-1.78c.61-.55 1-1.34 1-2.22s-.39-1.67-1-2.22V12zm-2 5.5c-.83 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0010773 0 ustar 00 { "name": "coblocks/gist", "category": "embed", "attributes": { "url": { "type": "string" }, "file": { "type": "string" }, "meta": { "type": "boolean", "default": true }, "caption": { "type": "string" } }, "title": "Gist", "textdomain": "coblocks", "editorScript": ["coblocks-9"], "viewScript": ["coblocks-gist-script"], "description": "Embed a GitHub Gist." } blocks/gist/index.php 0000644 00000005245 14717761760 0010635 0 ustar 00 <?php /** * Server-side rendering of the `coblocks/gist` block. * * @package CoBlocks */ /** * Registers the Gist oembed handler. */ function coblocks_register_gist_oembed() { wp_embed_register_handler( 'gist', '/https?:\/\/gist\.github\.com\/([a-zA-Z0-9\/\_\-]+)(?:\#file\-([a-zA-Z0-9\_\-]+))?/', 'coblocks_block_gist_handler' ); } add_action( 'init', 'coblocks_register_gist_oembed' ); /** * Renders the oembed content. * * @param array $matches The matches from wp_embed_register_handler. * * @return string The oembed output. */ function coblocks_block_gist_handler( $matches ) { $gist_url = empty( $matches[0] ) ? '' : $matches[0]; $gist_path = empty( $matches[1] ) ? '' : $matches[1]; $gist_file = empty( $matches[2] ) ? '' : $matches[2]; $gist_id = empty( $gist_path ) ? '' : explode( '/', $gist_path )[1]; if ( empty( $gist_url ) || empty( $gist_path ) || ! preg_match( '/https?:\/\/gist\.github\.com/', $gist_url ) ) { return ''; } // Fetch from GitHub API list of all files. // in cases where only uppercase files are present this allows us to embed the proper file. $api_resp = wp_remote_get( 'https://api.github.com/gists/' . $gist_id, array( 'headers' => array( 'Accept' => 'application/json', ), ) ); $resp_body = wp_remote_retrieve_body( $api_resp ); $result = json_decode( $resp_body, true ); if ( ! is_array( $result ) || empty( $result['files'] ) || is_wp_error( $result ) ) { return ''; } // Map files object into filenames array. $file_list = array_filter( array_map( function( $file ) { return ! empty( $file['filename'] ) ? $file['filename'] : null; }, $result['files'] ) ); $script_src = untrailingslashit( $gist_path ); // .js suffix is needed after gist path for proper embed. $script_src .= '.js'; if ( ! empty( $gist_file ) ) { // We replace the dash to obtain true filename. $dash_position = strrpos( $gist_file, '-' ); if ( false !== $dash_position ) { $gist_file = substr_replace( $gist_file, '.', $dash_position, 1 ); } // Return the first matching filename regardless of case to mimic GitHub behavior. $matched_file = array_search( $gist_file, array_map( 'strtolower', $file_list ), true ); $script_src .= '?file=' . $matched_file; } $gist_html = "<span class='coblocks-gist__container' style='pointer-events: none'>"; $gist_html .= wp_get_inline_script_tag( null, array( 'src' => esc_url( 'https://gist.github.com/' . $script_src ) ) ); $gist_html .= sprintf( '<a class="gist-block__container" href="%1$s" target="_blank">%2$s</a>', esc_url( $gist_url ), esc_html( __( 'View this gist on GitHub', 'coblocks' ) ) ); $gist_html .= '</span>'; return $gist_html; } blocks/highlight/block.json 0000644 00000001417 14717761760 0012000 0 ustar 00 { "apiVersion": 2, "$schema": "https://schemas.wp.org/trunk/block.json", "name": "coblocks/highlight", "category": "formatting", "attributes": { "content": { "type": "string", "source": "html", "selector": "mark" }, "align": { "type": "string" } }, "supports": { "anchor": true, "color": { "link": false }, "typography": { "fontSize": true, "lineHeight": true, "__experimentalFontStyle": true, "__experimentalFontWeight": true, "__experimentalLetterSpacing": true, "__experimentalTextTransform": true, "__experimentalDefaultControls": { "fontSize": true } } }, "textdomain": "coblocks", "title": "Highlight", "editorScript": ["coblocks-9"], "description": "Draw attention and emphasize important narrative." } blocks/posts/block.json 0000644 00000002675 14717761760 0011210 0 ustar 00 { "name": "coblocks/posts", "category": "layout", "attributes": { "className": { "type": "string" }, "align": { "type": "string" }, "postFeedType": { "type": "string", "default": "internal" }, "externalRssUrl": { "type": "string", "default": "" }, "postsToShow": { "type": "number", "default": 2 }, "displayPostContent": { "type": "boolean", "default": true }, "displayPostDate": { "type": "boolean", "default": true }, "displayPostLink": { "type": "boolean", "default": false }, "postLink": { "type": "string", "default": "Read more" }, "excerptLength": { "type": "number", "default": 12 }, "imageSize": { "type": "string", "default": "medium" }, "imageStyle": { "type": "string", "default": "square" }, "listPosition": { "type": "string", "default": "right" }, "columns": { "type": "number", "default": 2 }, "order": { "type": "string", "default": "desc" }, "orderBy": { "type": "string", "default": "date" }, "categories": { "type": "array", "items": { "type": "object" } }, "categoryRelation": { "type": "string", "default": "or" } }, "supports": { "gutter": { "default": "medium" } }, "title": "Posts", "textdomain": "coblocks", "description": "Display posts or an RSS feed as stacked or horizontal cards.", "editorScript": ["coblocks-11"], "render": "index.php" } blocks/posts/index.php 0000644 00000023562 14717761760 0011041 0 ustar 00 <?php /** * Server-side rendering of the `posts` block. * * @package WordPress */ /** * Renders the block on server. * * @param array $attributes The block attributes. * * @return string Returns the block content. */ function coblocks_render_coblocks_posts_block( $attributes ) { global $post; $args = array( 'posts_per_page' => $attributes['postsToShow'], 'post_status' => 'publish', 'order' => $attributes['order'], 'orderby' => $attributes['orderBy'], 'suppress_filters' => false, 'post__not_in' => ! is_null( $post ) ? array( $post->ID ) : array(), ); if ( isset( $attributes['categories'] ) ) { $key = ( isset( $attributes['categoryRelation'] ) && 'and' === $attributes['categoryRelation'] ) ? 'category__and' : 'category__in'; $args[ $key ] = array_column( $attributes['categories'], 'id' ); } if ( 'external' === $attributes['postFeedType'] && $attributes['externalRssUrl'] ) { $recent_posts = fetch_feed( $attributes['externalRssUrl'] ); if ( is_wp_error( $recent_posts ) ) { return '<div class="components-placeholder"><div class="notice notice-error"><strong>' . __( 'RSS error:', 'coblocks' ) . '</strong> ' . $recent_posts->get_error_message() . '</div></div>'; } if ( ! $recent_posts->get_item_quantity() ) { // PHP 5.2 compatibility. See: http://simplepie.org/wiki/faq/i_m_getting_memory_leaks. $recent_posts->__destruct(); unset( $recent_posts ); return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'An error has occurred, which probably means the feed is down. Try again later.', 'coblocks' ) . '</div></div>'; } $recent_posts = $recent_posts->get_items( 0, $attributes['postsToShow'] ); $formatted_posts = coblocks_get_rss_post_info( $recent_posts ); } else { $recent_posts = get_posts( $args ); $formatted_posts = coblocks_get_post_info( $recent_posts ); } $block_style = null; if ( isset( $attributes['className'] ) && strpos( $attributes['className'], 'is-style-horizontal' ) !== false ) { $block_style = 'horizontal'; } elseif ( isset( $attributes['className'] ) && strpos( $attributes['className'], 'is-style-stacked' ) !== false ) { $block_style = 'stacked'; } return coblocks_posts( $formatted_posts, $attributes ); } /** * Renders the list and grid styles. * * @param array $posts Current posts. * @param array $attributes The block attributes. * * @return string Returns the block content for the list and grid styles. */ function coblocks_posts( $posts, $attributes ) { $class_name = array(); $class = array( 'wp-block-coblocks-posts__inner' ); $styles = array(); $block_style = strpos( $attributes['className'], 'is-style-stacked' ) !== false ? 'stacked' : 'horizontal'; array_push( $class_name, 'wp-block-coblocks-posts' ); if ( isset( $attributes['className'] ) ) { array_push( $class_name, $attributes['className'] ); } if ( isset( $attributes['align'] ) ) { array_push( $class_name, 'align' . $attributes['align'] ); } if ( isset( $attributes['columns'] ) ) { array_push( $class, 'has-columns has-' . $attributes['columns'] . '-columns has-responsive-columns' ); } if ( isset( $attributes['listPosition'] ) && 'right' === $attributes['listPosition'] && 'horizontal' === $block_style ) { array_push( $class, 'has-image-right' ); } if ( isset( $attributes['imageSize'] ) && 'horizontal' === $block_style ) { array_push( $class, 'has-' . $attributes['imageSize'] . '-image' ); } if ( isset( $attributes['imageStyle'] ) ) { array_push( $class, 'has-' . $attributes['imageStyle'] . '-image' ); } /** * This logic allows for conditional presence of style attribute when custom styles are present. */ $styles = apply_filters( 'coblocks_render_wrapper_styles', $styles, $attributes ); $block_content_format = '<div class="%1$s"><div class="%2$s"%3$s>'; if ( ! empty( $styles ) ) { $style_attribute = ' style="' . esc_attr( implode( ' ', $styles ) ) . '"'; $block_content_format = '<div class="%1$s"><div class="%2$s" style="%3$s">'; } else { $style_attribute = ''; } $block_content = sprintf( $block_content_format, esc_attr( implode( ' ', $class_name ) ), esc_attr( implode( ' ', apply_filters( 'coblocks_render_wrapper_class', $class, $attributes ) ) ), $style_attribute ); $list_items_markup = ''; foreach ( $posts as $post ) { $list_class = ''; $align_self_class = ''; $list_items_markup .= '<div class="wp-block-coblocks-posts__item">'; if ( null !== $post['thumbnailURL'] && $post['thumbnailURL'] ) { $list_items_markup .= sprintf( '<div class="wp-block-coblocks-posts__image"><a href="%1$s" class="bg-cover bg-center-center" style="background-image:url(%2$s)"></a></div>', esc_url( $post['postLink'] ), esc_url( $post['thumbnailURL'] ) ); if ( 'horizontal' === $block_style && ( isset( $attributes['displayPostContent'] ) && ! $attributes['displayPostContent'] ) && ( isset( $attributes['columns'] ) && 2 >= $attributes['columns'] ) ) { $align_self_class = 'self-center'; } } else { $align_self_class = ' flex-start'; } $list_items_markup .= sprintf( '<div class="wp-block-coblocks-posts__content%s">', esc_attr( $align_self_class ) ); if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] && 'stacked' === $block_style ) { $list_items_markup .= sprintf( '<time datetime="%1$s" class="wp-block-coblocks-posts__date">%2$s</time>', esc_url( $post['date'] ), esc_html( $post['dateReadable'] ) ); } $title = $post['title']; if ( ! $title ) { $title = _x( '(no title)', 'placeholder when a post has no title', 'coblocks' ); } $list_items_markup .= sprintf( '<a href="%1$s" alt="%2$s">%2$s</a>', $post['postLink'], $title ); if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] && 'horizontal' === $block_style ) { $list_items_markup .= sprintf( '<time datetime="%1$s" class="wp-block-coblocks-posts__date">%2$s</time>', esc_url( $post['date'] ), esc_html( $post['dateReadable'] ) ); } if ( isset( $attributes['displayPostContent'] ) && $attributes['displayPostContent'] ) { $post_excerpt = $post['postExcerpt']; $trimmed_excerpt = esc_html( wp_trim_words( $post_excerpt, $attributes['excerptLength'], ' … ' ) ); $list_items_markup .= sprintf( '<div class="wp-block-coblocks-posts__excerpt">%1$s</div>', esc_html( $trimmed_excerpt ) ); } if ( isset( $attributes['displayPostLink'] ) && $attributes['displayPostLink'] ) { $list_items_markup .= sprintf( '<div class="wp-block-coblocks-posts__more-link"><a href="%1$s">%2$s</a></div>', esc_url( $post['postLink'] ), esc_html( $attributes['postLink'] ) ); } $list_items_markup .= '</div></div>'; } $block_content .= $list_items_markup; $block_content .= '</div>'; $block_content .= '</div>'; return $block_content; } /** * Returns the posts for an internal posts. * * @param array $posts Current posts. * * @return array Returns posts. */ function coblocks_get_post_info( $posts ) { $formatted_posts = array(); foreach ( $posts as $post ) { $formatted_post = null; $formatted_post['thumbnailURL'] = get_the_post_thumbnail_url( $post ); $formatted_post['date'] = esc_attr( get_the_date( 'c', $post ) ); $formatted_post['dateReadable'] = esc_html( get_the_date( '', $post ) ); $formatted_post['title'] = get_the_title( $post ); $formatted_post['postLink'] = esc_url( get_permalink( $post ) ); $post_excerpt = $post->post_excerpt; if ( ! ( $post_excerpt ) ) { $post_excerpt = $post->post_content; } $formatted_post['postExcerpt'] = $post_excerpt; $formatted_posts[] = $formatted_post; } return $formatted_posts; } /** * Returns the posts for an external RSS feed. * * @param array $posts Current posts. * * @return array Returns posts. */ function coblocks_get_rss_post_info( $posts ) { $formatted_posts = array(); foreach ( $posts as $post ) { $title = esc_html( trim( wp_strip_all_tags( $post->get_title() ) ) ); $formatted_post = null; $formatted_post['date'] = date_i18n( get_option( 'c' ), $post->get_date( 'U' ) ); $formatted_post['dateReadable'] = date_i18n( get_option( 'date_format' ), $post->get_date( 'U' ) ); $formatted_post['title'] = $title; $formatted_post['postLink'] = esc_url( $post->get_link() ); $formatted_post['postExcerpt'] = html_entity_decode( $post->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) ); $output = preg_match_all( '/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->get_content(), $matches ); $first_img = false; if ( $matches && ! empty( $matches[1] ) ) { $first_img = $matches[1][0]; } $formatted_post['thumbnailURL'] = $first_img; $formatted_posts[] = $formatted_post; } return $formatted_posts; } /** * Handles outdated versions of the `coblocks/posts` block by converting * attribute `categories` from a numeric string to an array with key `id`. * * This is done to accommodate the changes introduced in https://github.com/WordPress/gutenberg/pull/20781 that sought to * add support for multiple categories to the block. However, given that this * block is dynamic, the usual provisions for block migration are insufficient, * as they only act when a block is loaded in the editor. * * Remove when and if the bottom client-side deprecation for this block is removed. * * @param array $block A single parsed block object. * * @return array The migrated block object. */ function coblocks_posts_migrate_categories( $block ) { if ( 'coblocks/posts' === $block['blockName'] && ! empty( $block['attrs']['categories'] ) && is_string( $block['attrs']['categories'] ) ) { $block['attrs']['categories'] = array( array( 'id' => absint( $block['attrs']['categories'] ) ), ); } return $block; } add_filter( 'render_block_data', 'coblocks_posts_migrate_categories' ); blocks/buttons/block.json 0000644 00000000615 14717761760 0011526 0 ustar 00 { "name": "coblocks/buttons", "category": "layout", "attributes": { "items": { "type": "number", "default": "2" }, "contentAlign": { "type": "string", "default": "left" }, "isStackedOnMobile": { "type": "boolean", "default": false } }, "title": "Buttons (Deprecated)", "textdomain": "coblocks", "description": "This block is replaced by core Buttons block." } blocks/gallery-collage/block.json 0000644 00000002562 14717761760 0013076 0 ustar 00 { "name": "coblocks/gallery-collage", "category": "media", "attributes": { "images": { "type": "array", "default": [], "source": "query", "selector": ".wp-block-coblocks-gallery-collage__item", "query": { "url": { "source": "attribute", "selector": "img", "attribute": "src" }, "link": { "source": "attribute", "selector": "img", "attribute": "data-link" }, "imgLink": { "source": "attribute", "selector": "img", "attribute": "data-imglink" }, "alt": { "source": "attribute", "selector": "img", "attribute": "alt", "default": "" }, "id": { "source": "attribute", "selector": "img", "attribute": "data-id" }, "index": { "source": "attribute", "selector": "img", "attribute": "data-index" }, "caption": { "type": "string", "source": "children", "selector": "figcaption" } } }, "shadow": { "type": "string", "default": "none" }, "align": { "type": "string", "default": "wide" } }, "supports": { "align": [ "wide", "full" ], "gutter": { "default": "small", "customDefault": 0.2 } }, "title": "Collage", "textdomain": "coblocks", "editorScript": ["coblocks-4"], "viewScript": ["coblocks-lightbox"], "description": "Assemble images into a beautiful collage gallery." } blocks/form/block.json 0000644 00000001207 14717761760 0010771 0 ustar 00 { "attributes": { "subject": { "default": null, "type": "string" }, "successText": { "default": "Your message was sent:", "type": "string" }, "to": { "default": null, "type": "string" } }, "category": "layout", "name": "coblocks/form", "title": "Form", "textdomain": "coblocks", "description": "Add a contact form to your page.", "render": "index.php", "editorScript": ["coblocks-3"], "keywords": ["about", "contact", "email"], "supports": { "customClassName": false, "html": false, "labelColor": true, "reusable": false }, "example": { "attributes": { "subject": "Subject example" } } } blocks/form/fields/checkbox/block.json 0000644 00000001027 14717761760 0014025 0 ustar 00 { "name": "coblocks/field-checkbox", "attributes": { "label": { "type": "string", "default": "Checkbox" }, "required": { "type": "boolean", "default": false }, "options": { "type": "array", "default": [] }, "isInline": { "type": "boolean", "default": false } }, "category": "layout", "title": "Checkbox", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A checkbox field with multiple options where multiple choices can be made.", "parent": [ "coblocks/form" ] } blocks/form/fields/field-phone/block.json 0000644 00000000624 14717761760 0014433 0 ustar 00 { "name": "coblocks/field-phone", "category": "layout", "attributes": { "label": { "type": "string", "default": "Phone" }, "required": { "type": "boolean", "default": false } }, "title": "Phone", "textdomain": "coblocks", "description": "A text field for collecting a phone number.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/textarea/block.json 0000644 00000000564 14717761760 0014061 0 ustar 00 { "name": "coblocks/field-textarea", "category": "layout", "attributes": { "label": { "type": "string", "default": "Message" }, "required": { "type": "boolean", "default": false } }, "title": "Textarea", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A text box for longer responses.", "parent": [ "coblocks/form" ] } blocks/form/fields/field-radio/block.json 0000644 00000001046 14717761760 0014417 0 ustar 00 { "name": "coblocks/field-radio", "category": "layout", "attributes": { "label": { "type": "string", "default": "Choose one" }, "required": { "type": "boolean", "default": false }, "options": { "type": "array", "default": [] }, "isInline": { "type": "boolean", "default": false } }, "title": "Radio", "textdomain": "coblocks", "description": "A field with multiple options where only one choice can be made.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/field-submit-button/block.json 0000644 00000001117 14717761760 0016134 0 ustar 00 { "name": "coblocks/field-submit-button", "category": "layout", "attributes": { "label": { "type": "string", "default": "Submit" }, "required": { "type": "boolean", "default": true }, "submitButtonText": { "type": "string", "default": "Submit" }, "customBackgroundButtonColor": { "type": "string" }, "customTextButtonColor": { "type": "string" } }, "title": "Submit", "textdomain": "coblocks", "description": "A button for submitting form data.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/field-select/block.json 0000644 00000000756 14717761760 0014607 0 ustar 00 { "name": "coblocks/field-select", "category": "layout", "attributes": { "label": { "type": "string", "default": "Select" }, "required": { "type": "boolean", "default": false }, "options": { "type": "array", "default": [] } }, "title": "Select", "textdomain": "coblocks", "description": "A dropdown field with multiple options where only one choice can be made.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/field-email/block.json 0000644 00000000632 14717761760 0014410 0 ustar 00 { "name": "coblocks/field-email", "category": "layout", "attributes": { "label": { "type": "string", "default": "Email" }, "required": { "type": "boolean", "default": false } }, "title": "Email", "textdomain": "coblocks", "description": "A field for collecting a validated email address.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/radio/block.json 0000644 00000001011 14717761760 0013326 0 ustar 00 { "name": "coblocks/field-radio", "category": "layout", "attributes": { "label": { "type": "string", "default": "Choose one" }, "required": { "type": "boolean", "default": false }, "options": { "type": "array", "default": [] }, "isInline": { "type": "boolean", "default": false } }, "title": "Radio", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A field with multiple options where only one choice can be made.", "parent": [ "coblocks/form" ] } blocks/form/fields/field-hidden/block.json 0000644 00000000630 14717761760 0014552 0 ustar 00 { "name": "coblocks/field-hidden", "category": "layout", "attributes": { "label": { "type": "string", "default": "Hidden" }, "value": { "type": "string", "default": "" } }, "title": "Hidden", "textdomain": "coblocks", "description": "A hidden text field for collecting additional data.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/hidden/block.json 0000644 00000000573 14717761760 0013477 0 ustar 00 { "name": "coblocks/field-hidden", "category": "layout", "attributes": { "label": { "type": "string", "default": "Hidden" }, "value": { "type": "string", "default": "" } }, "title": "Hidden", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A hidden text field for collecting additional data.", "parent": [ "coblocks/form" ] } blocks/form/fields/field-date/block.json 0000644 00000000640 14717761760 0014235 0 ustar 00 { "name": "coblocks/field-date", "category": "layout", "attributes": { "label": { "type": "string", "default": "Date" }, "required": { "type": "boolean", "default": false } }, "title": "Date", "textdomain": "coblocks", "description": "A field for requesting date selections with a date picker.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/text/block.json 0000644 00000000551 14717761760 0013224 0 ustar 00 { "name": "coblocks/field-text", "category": "layout", "attributes": { "label": { "type": "string", "default": "Text" }, "required": { "type": "boolean", "default": false } }, "title": "Text", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A text box for custom responses.", "parent": [ "coblocks/form" ] } blocks/form/fields/field-text/block.json 0000644 00000000606 14717761760 0014306 0 ustar 00 { "name": "coblocks/field-text", "category": "layout", "attributes": { "label": { "type": "string", "default": "Text" }, "required": { "type": "boolean", "default": false } }, "title": "Text", "textdomain": "coblocks", "description": "A text box for custom responses.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/name/block.json 0000644 00000001112 14717761760 0013152 0 ustar 00 { "name": "coblocks/field-name", "category": "layout", "attributes": { "label": { "type": "string", "default": "Name" }, "required": { "type": "boolean", "default": false }, "hasLastName": { "type": "boolean", "default": false }, "labelFirstName": { "type": "string", "default": "First" }, "labelLastName": { "type": "string", "default": "Last" } }, "title": "Name", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A text field for collecting the first and last names.", "parent": [ "coblocks/form" ] } blocks/form/fields/website/block.json 0000644 00000000564 14717761760 0013706 0 ustar 00 { "name": "coblocks/field-website", "category": "layout", "attributes": { "label": { "type": "string", "default": "Website" }, "required": { "type": "boolean", "default": false } }, "title": "Website", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A text field for collecting a URL.", "parent": [ "coblocks/form" ] } blocks/form/fields/field-website/block.json 0000644 00000000621 14717761760 0014761 0 ustar 00 { "name": "coblocks/field-website", "category": "layout", "attributes": { "label": { "type": "string", "default": "Website" }, "required": { "type": "boolean", "default": false } }, "title": "Website", "textdomain": "coblocks", "description": "A text field for collecting a URL.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/field-checkbox/block.json 0000644 00000001064 14717761760 0015107 0 ustar 00 { "name": "coblocks/field-checkbox", "attributes": { "label": { "type": "string", "default": "Checkbox" }, "required": { "type": "boolean", "default": false }, "options": { "type": "array", "default": [] }, "isInline": { "type": "boolean", "default": false } }, "category": "layout", "title": "Checkbox", "textdomain": "coblocks", "description": "A checkbox field with multiple options where multiple choices can be made.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/field-textarea/block.json 0000644 00000000621 14717761760 0015134 0 ustar 00 { "name": "coblocks/field-textarea", "category": "layout", "attributes": { "label": { "type": "string", "default": "Message" }, "required": { "type": "boolean", "default": false } }, "title": "Textarea", "textdomain": "coblocks", "description": "A text box for longer responses.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/submit-button/block.json 0000644 00000001063 14717761760 0015053 0 ustar 00 { "name": "coblocks/field-submit-button", "category": "layout", "attributes": { "label": { "type": "string", "default": "Submit" }, "required": { "type": "boolean", "default": true }, "submitButtonText": { "type": "string", "default": "Submit" }, "customBackgroundButtonColor": { "type": "string" }, "customTextButtonColor": { "type": "string" } }, "title": "Submit", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A button for submitting form data.", "parent": [ "coblocks/form" ] } blocks/form/fields/email/block.json 0000644 00000000575 14717761760 0013335 0 ustar 00 { "name": "coblocks/field-email", "category": "layout", "attributes": { "label": { "type": "string", "default": "Email" }, "required": { "type": "boolean", "default": false } }, "title": "Email", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A field for collecting a validated email address.", "parent": [ "coblocks/form" ] } blocks/form/fields/select/block.json 0000644 00000000721 14717761760 0013516 0 ustar 00 { "name": "coblocks/field-select", "category": "layout", "attributes": { "label": { "type": "string", "default": "Select" }, "required": { "type": "boolean", "default": false }, "options": { "type": "array", "default": [] } }, "title": "Select", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A dropdown field with multiple options where only one choice can be made.", "parent": [ "coblocks/form" ] } blocks/form/fields/date/block.json 0000644 00000000603 14717761760 0013153 0 ustar 00 { "name": "coblocks/field-date", "category": "layout", "attributes": { "label": { "type": "string", "default": "Date" }, "required": { "type": "boolean", "default": false } }, "title": "Date", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A field for requesting date selections with a date picker.", "parent": [ "coblocks/form" ] } blocks/form/fields/field-name/block.json 0000644 00000001147 14717761760 0014243 0 ustar 00 { "name": "coblocks/field-name", "category": "layout", "attributes": { "label": { "type": "string", "default": "Name" }, "required": { "type": "boolean", "default": false }, "hasLastName": { "type": "boolean", "default": false }, "labelFirstName": { "type": "string", "default": "First" }, "labelLastName": { "type": "string", "default": "Last" } }, "title": "Name", "textdomain": "coblocks", "description": "A text field for collecting the first and last names.", "parent": [ "coblocks/form" ], "editorScript": ["coblocks-3"], "render": "index.php" } blocks/form/fields/phone/block.json 0000644 00000000567 14717761760 0013360 0 ustar 00 { "name": "coblocks/field-phone", "category": "layout", "attributes": { "label": { "type": "string", "default": "Phone" }, "required": { "type": "boolean", "default": false } }, "title": "Phone", "textdomain": "coblocks", "editorScript": "blocks-3", "description": "A text field for collecting a phone number.", "parent": [ "coblocks/form" ] } blocks/features/block.json 0000644 00000000661 14717761760 0011647 0 ustar 00 { "name": "coblocks/features", "category": "layout", "attributes": { "headingLevel": { "type": "integer", "default": 4 }, "columns": { "type": "number", "default": 2 }, "contentAlign": { "type": "string", "default": "center" } }, "title": "Features", "textdomain": "coblocks", "editorScript": ["coblocks-2"], "description": "Add up to four columns of small notes for your product or service." } blocks/features/feature/block.json 0000644 00000000721 14717761760 0013277 0 ustar 00 { "name": "coblocks/feature", "category": "layout", "attributes": { "headingLevel": { "type": "integer", "default": 4 }, "textColor": { "type": "string" }, "customTextColor": { "type": "string" }, "contentAlign": { "type": "string" } }, "title": "Feature", "textdomain": "coblocks", "description": "A singular child column within a parent features block.", "editorScript": ["coblocks-2"], "parent": [ "coblocks/features" ] } blocks/opentable/block.json 0000644 00000000525 14717761760 0012001 0 ustar 00 { "name": "coblocks/opentable", "category": "layout", "attributes": { "restaurantIDs": { "type": "array", "default": [] }, "language": { "type": "string", "default": "" } }, "title": "OpenTable", "textdomain": "coblocks", "editorScript": ["coblocks-7"], "description": "Embed an OpenTable Reservations Widget." } blocks/opentable/index.php 0000644 00000005151 14717761760 0011634 0 ustar 00 <?php /** * Handle search function to proxy Opentable request. * * @package CoBlocks */ /** * Base Class for proxying Opentable requests. */ class Coblocks_Opentable { /** * Holds the pase path to our search proxy to send into JS. * * @var string */ private $search_proxy_path = '/opentable/search/'; /** * Function constructor. */ public function __construct() { add_action( 'rest_api_init', array( $this, 'api_endpoints' ) ); add_action( 'enqueue_block_editor_assets', array( $this, 'editor_scripts' ) ); } /** * Registering REST APi proxy. * * @return void */ public function api_endpoints() { register_rest_route( COBLOCKS_API_NAMESPACE, $this->search_proxy_path . '(?P<query>.*)', array( 'methods' => \WP_REST_Server::READABLE, 'permission_callback' => function() { // See https://wordpress.org/support/article/roles-and-capabilities/#edit_posts. return current_user_can( 'edit_posts' ); }, 'show_in_index' => false, 'args' => array( 'query' => array( 'description' => 'The query to send opentable.', 'type' => 'string', 'sanitize_callback' => 'sanitize_text_field', ), ), 'callback' => array( $this, 'api_proxy' ), ) ); } /** * Make the request to the Opentable API and return the result. * * @param \WP_REST_Request $request Contains the rest request object. * * @return \WP_REST_Response */ public function api_proxy( \WP_REST_Request $request ) { $api_resp = wp_remote_get( 'https://www.opentable.com/widget/reservation/restaurant-search?pageSize=15&query=' . $request->get_param( 'query' ), array( // Without this user agent syntax the API doesn't respond at all... 'user-agent' => 'Mozilla/5.0 Chrome/96 Safari/537', 'headers' => array( 'Accept' => 'application/json', ), ) ); if ( is_wp_error( $api_resp ) ) { return rest_ensure_response( $api_resp ); } try { $body = json_decode( $api_resp['body'], true ); } catch ( exception $e ) { return new \WP_Error( 'parsing_error', 'Error reading body of response.', array( 'status' => 500 ) ); } return rest_ensure_response( new \WP_REST_Response( $body, $api_resp['response']['code'] ) ); } /** * Localize script to tell the API proxy path to JavaScript. * * @return void */ public function editor_scripts() { wp_localize_script( 'coblocks-editor', 'coblocksOpentable', array( 'searchProxy' => COBLOCKS_API_NAMESPACE . $this->search_proxy_path, ) ); } } new Coblocks_Opentable(); blocks/share/block.json 0000644 00000002743 14717761760 0011136 0 ustar 00 { "name": "coblocks/social", "category": "widgets", "attributes": { "align": { "type": "string", "enum": [ "wide", "full" ] }, "className": { "type": "string" }, "hasColors": { "type": "boolean", "default": true }, "borderRadius": { "type": "number", "default": 40 }, "size": { "type": "string", "default": "med" }, "iconSize": { "type": "number", "default": 22 }, "padding": { "type": "number", "default": 16 }, "textAlign": { "type": "string" }, "backgroundColor": { "type": "string" }, "customBackgroundColor": { "type": "string" }, "blockBackgroundColor": { "type": "string" }, "customBlockBackgroundColor": { "type": "string" }, "textColor": { "type": "string" }, "customTextColor": { "type": "string" }, "twitter": { "type": "boolean", "default": true }, "facebook": { "type": "boolean", "default": true }, "pinterest": { "type": "boolean", "default": true }, "linkedin": { "type": "boolean", "default": false }, "tumblr": { "type": "boolean", "default": false }, "reddit": { "type": "boolean", "default": false }, "email": { "type": "boolean", "default": false }, "google": { "type": "boolean", "default": false } }, "title": "Share", "textdomain": "coblocks", "description": "Add social sharing links to help you get likes and shares.", "editorScript": ["coblocks-10"], "render": "index.php" } blocks/share/index.php 0000644 00000022046 14717761760 0010767 0 ustar 00 <?php /** * Server-side rendering of the `coblocks/social` block. * * @package CoBlocks */ /** * Renders the block on server. * Share Block AKA Social Block (deprecated name). * * @param array $attributes The block attributes. * * @return string Returns the block content. */ function coblocks_render_coblocks_social_block( $attributes ) { global $post; // Get the featured image. if ( has_post_thumbnail() ) { $thumbnail_id = get_post_thumbnail_id( $post->ID ); $thumbnail = $thumbnail_id ? current( wp_get_attachment_image_src( $thumbnail_id, 'large', true ) ) : ''; } else { $thumbnail = null; } // Generate the Facebook URL. $facebook_url = ' https://www.facebook.com/sharer/sharer.php? u=' . get_the_permalink() . ' &title=' . get_the_title() . ' '; // Generate the Twitter URL. $twitter_url = ' http://twitter.com/share? text=' . get_the_title() . ' &url=' . get_the_permalink() . ' '; // Generate the LinkedIn URL. $linkedin_url = ' https://www.linkedin.com/shareArticle?mini=true &url=' . get_the_permalink() . ' &title=' . get_the_title() . ' '; // Generate the Pinterest URL. $pinterest_url = ' https://pinterest.com/pin/create/button/? &url=' . get_the_permalink() . ' &description=' . get_the_title() . ' &media=' . esc_url( $thumbnail ) . ' '; // Generate the Tumblr URL. $tumblr_url = ' https://tumblr.com/share/link? url=' . get_the_permalink() . ' &name=' . get_the_title() . ' '; // Generate the Reddit URL. $reddit_url = ' https://www.reddit.com/submit? url=' . get_the_permalink() . ' '; // Generate the Email URL. $email_url = ' mailto: ?subject=' . get_the_title() . ' &body=' . get_the_title() . ' —' . get_the_permalink() . ' '; // Generate the Google URL. $google_url = ' https://plus.google.com/share ?url=' . get_the_permalink() . ' '; // Apply filters, so that the social URLs can be modified. $facebook_url = apply_filters( 'coblocks_facebook_share_url', $facebook_url ); $twitter_url = apply_filters( 'coblocks_twitter_share_url', $twitter_url ); $pinterest_url = apply_filters( 'coblocks_pinterest_share_url', $pinterest_url ); $linkedin_url = apply_filters( 'coblocks_linkedin_share_url', $linkedin_url ); $email_url = apply_filters( 'coblocks_email_share_url', $email_url ); $tumblr_url = apply_filters( 'coblocks_tumblr_share_url', $tumblr_url ); $reddit_url = apply_filters( 'coblocks_reddit_share_url', $reddit_url ); $google_url = apply_filters( 'coblocks_google_share_url', $google_url ); // Attributes. $background_color = is_array( $attributes ) && isset( $attributes['customBlockBackgroundColor'] ) ? "background-color:{$attributes['customBlockBackgroundColor']};" : ''; $border_radius = is_array( $attributes ) && isset( $attributes['borderRadius'] ) ? "border-radius: {$attributes['borderRadius']}px;" : ''; $has_padding = is_array( $attributes ) && isset( $attributes['padding'] ) ? 'has-padding' : ''; $has_background = ''; $background_color_class = ''; $custom_background_color = ''; $has_color = ''; $text_color_class = ''; $custom_text_color = ''; $icon_size = ''; $padding = ''; if ( isset( $attributes['className'] ) && strpos( $attributes['className'], 'is-style-mask' ) !== false ) { $has_background = is_array( $attributes ) && isset( $attributes['hasColors'] ) && ( isset( $attributes['backgroundColor'] ) || isset( $attributes['customBackgroundColor'] ) ) && ( $attributes['hasColors'] || ( $attributes['backgroundColor'] || $attributes['customBackgroundColor'] ) ) ? 'has-text-color' : ''; $background_color_class = is_array( $attributes ) && isset( $attributes['backgroundColor'] ) ? "has-{$attributes['backgroundColor']}-color" : false; $custom_background_color = is_array( $attributes ) && isset( $attributes['customBackgroundColor'] ) && isset( $attributes['hasColors'] ) && ( ! $attributes['hasColors'] && ! isset( $attributes['backgroundColor'] ) ) ? "color: {$attributes['customBackgroundColor']};" : ''; } else { $has_background = is_array( $attributes ) && isset( $attributes['hasColors'] ) && ( isset( $attributes['backgroundColor'] ) || isset( $attributes['customBackgroundColor'] ) ) && ( $attributes['hasColors'] || ( isset( $attributes['backgroundColor'] ) || $attributes['customBackgroundColor'] ) ) ? 'has-background' : ''; $background_color_class = is_array( $attributes ) && isset( $attributes['backgroundColor'] ) ? "has-{$attributes['backgroundColor']}-background-color" : false; $custom_background_color = is_array( $attributes ) && isset( $attributes['customBackgroundColor'] ) && isset( $attributes['hasColors'] ) && ( ! $attributes['hasColors'] && ! isset( $attributes['backgroundColor'] ) ) ? "background-color: {$attributes['customBackgroundColor']};" : ''; $has_color = is_array( $attributes ) && isset( $attributes['hasColors'] ) && ( isset( $attributes['textColor'] ) || isset( $attributes['customTextColor'] ) ) && ( $attributes['hasColors'] || ( isset( $attributes['textColor'] ) || $attributes['customTextColor'] ) ) ? 'has-text-color' : ''; $text_color_class = is_array( $attributes ) && isset( $attributes['textColor'] ) ? "has-{$attributes['textColor']}-color" : false; $custom_text_color = is_array( $attributes ) && isset( $attributes['customTextColor'] ) && isset( $attributes['hasColors'] ) && ( ! $attributes['hasColors'] && ! isset( $attributes['textColor'] ) ) ? "color: {$attributes['customTextColor']};" : ''; } if ( isset( $attributes['className'] ) && ( strpos( $attributes['className'], 'is-style-mask' ) !== false || strpos( $attributes['className'], 'is-style-circular' ) !== false ) ) { $icon_size = is_array( $attributes ) && isset( $attributes['iconSize'] ) ? "height:{$attributes['iconSize']}px;width: {$attributes['iconSize']}px;" : ''; } if ( isset( $attributes['className'] ) && strpos( $attributes['className'], 'is-style-circular' ) !== false ) { $padding = is_array( $attributes ) && isset( $attributes['padding'] ) ? "padding:{$attributes['padding']}px;" : ''; } // Supported social media platforms. $platforms = array( 'facebook' => array( 'text' => esc_html__( 'Share on Facebook', 'coblocks' ), 'url' => $facebook_url, ), 'twitter' => array( 'text' => esc_html__( 'Share on Twitter', 'coblocks' ), 'url' => $twitter_url, ), 'pinterest' => array( 'text' => esc_html__( 'Share on Pinterest', 'coblocks' ), 'url' => $pinterest_url, ), 'linkedin' => array( 'text' => esc_html__( 'Share on Linkedin', 'coblocks' ), 'url' => $linkedin_url, ), 'email' => array( 'text' => esc_html__( 'Share via Email', 'coblocks' ), 'url' => $email_url, ), 'tumblr' => array( 'text' => esc_html__( 'Share on Tumblr', 'coblocks' ), 'url' => $tumblr_url, ), 'google' => array( 'text' => esc_html__( 'Share on Google', 'coblocks' ), 'url' => $google_url, ), 'reddit' => array( 'text' => esc_html__( 'Share on Reddit', 'coblocks' ), 'url' => $reddit_url, ), ); // Start markup. $markup = ''; foreach ( $platforms as $id => $platform ) { if ( isset( $attributes[ $id ] ) && $attributes[ $id ] ) { $markup .= sprintf( '<li> <a href="%1$s" class="wp-block-button__link wp-block-coblocks-social__button wp-block-coblocks-social__button--%8$s %3$s %7$s %9$s %10$s %13$s" title="%2$s" style="%4$s%6$s%12$s"> <span class="wp-block-coblocks-social__icon" style="%5$s"></span> <span class="wp-block-coblocks-social__text" style="%11$s">%2$s</span> </a> </li>', esc_url( $platform['url'] ), esc_html( $platform['text'] ), esc_attr( $has_background ), esc_attr( $border_radius ), esc_attr( $icon_size ), esc_attr( $custom_background_color ), esc_attr( $background_color_class ), esc_attr( $id ), esc_attr( $has_color ), esc_attr( $text_color_class ), esc_attr( $custom_text_color ), esc_attr( $padding ), esc_attr( $has_padding ) ); } } // Build classes. $class = 'wp-block-coblocks-social'; if ( isset( $attributes['textAlign'] ) ) { $class .= " has-text-align-{$attributes['textAlign']}"; } if ( isset( $attributes['className'] ) ) { $class .= ' ' . $attributes['className']; } if ( isset( $attributes['align'] ) ) { $class .= ' align' . $attributes['align']; } if ( isset( $attributes['blockBackgroundColor'] ) || isset( $attributes['customBlockBackgroundColor'] ) ) { $class .= ' has-background'; } if ( isset( $attributes['blockBackgroundColor'] ) ) { $class .= " has-{$attributes['blockBackgroundColor']}-background-color"; } if ( isset( $attributes['hasColors'] ) && $attributes['hasColors'] ) { $class .= ' has-colors'; } if ( isset( $attributes['size'] ) && ( isset( $attributes['className'] ) && strpos( $attributes['className'], 'is-style-mask' ) === false ) ) { $class .= ' has-button-size-' . $attributes['size']; } // Render block content. $block_content = sprintf( '<div class="%1$s" style="%2$s "><ul>%3$s</ul></div>', esc_attr( $class ), esc_attr( $background_color ), $markup ); return $block_content; } blocks/post-carousel/block.json 0000644 00000002653 14717761760 0012634 0 ustar 00 { "name": "coblocks/post-carousel", "category": "layout", "attributes": { "className": { "type": "string" }, "align": { "type": "string" }, "postFeedType": { "type": "string", "default": "internal" }, "externalRssUrl": { "type": "string", "default": "" }, "postsToShow": { "type": "number", "default": 4 }, "displayPostContent": { "type": "boolean", "default": true }, "displayPostDate": { "type": "boolean", "default": true }, "displayPostLink": { "type": "boolean", "default": false }, "postLink": { "type": "string", "default": "Read more" }, "excerptLength": { "type": "number", "default": 12 }, "imageSize": { "type": "string", "default": "w-1/7 sm:w-1/5 h-1/7 sm:h-1/5" }, "listPosition": { "type": "string", "default": "right" }, "columns": { "type": "number", "default": 2 }, "order": { "type": "string", "default": "desc" }, "orderBy": { "type": "string", "default": "date" }, "categories": { "type": "array", "items": { "type": "object" } }, "categoryRelation": { "type": "string", "default": "or" } }, "title": "Post Carousel (CoBlocks)", "textdomain": "coblocks", "description": "Display posts or an external blog feed as a carousel.", "editorScript": ["coblocks-11"], "viewScript": ["coblocks-tiny-swiper","coblocks-post-carousel"], "render": "index.php" } blocks/post-carousel/index.php 0000644 00000022631 14717761760 0012465 0 ustar 00 <?php /** * Server-side rendering of the `post-carousel` block. * * @package WordPress */ /** * Renders the block on server. * * @param array $attributes The block attributes. * * @return string Returns the block content. */ function coblocks_render_coblocks_post_carousel_block( $attributes ) { global $post; $args = array( 'posts_per_page' => $attributes['postsToShow'], 'post_status' => 'publish', 'order' => $attributes['order'], 'orderby' => $attributes['orderBy'], 'suppress_filters' => false, 'post__not_in' => ! is_null( $post ) ? array( $post->ID ) : array(), ); if ( isset( $attributes['categories'] ) ) { $key = ( isset( $attributes['categoryRelation'] ) && 'and' === $attributes['categoryRelation'] ) ? 'category__and' : 'category__in'; $args[ $key ] = array_column( $attributes['categories'], 'id' ); } if ( 'external' === $attributes['postFeedType'] && $attributes['externalRssUrl'] ) { $recent_posts = fetch_feed( $attributes['externalRssUrl'] ); if ( is_wp_error( $recent_posts ) ) { return '<div class="components-placeholder"><div class="notice notice-error"><strong>' . __( 'RSS error:', 'coblocks' ) . '</strong> ' . $recent_posts->get_error_message() . '</div></div>'; } if ( ! $recent_posts->get_item_quantity() ) { // PHP 5.2 compatibility. See: http://simplepie.org/wiki/faq/i_m_getting_memory_leaks. $recent_posts->__destruct(); unset( $recent_posts ); return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'An error has occurred, which probably means the feed is down. Try again later.', 'coblocks' ) . '</div></div>'; } $recent_posts = $recent_posts->get_items( 0, $attributes['postsToShow'] ); $formatted_posts = coblocks_get_rss_post_carousel_info( $recent_posts ); } else { $recent_posts = get_posts( $args ); $formatted_posts = coblocks_get_post_carousel_info( $recent_posts ); } $block_layout = null; if ( isset( $attributes['className'] ) && strpos( $attributes['className'], 'is-style-horizontal' ) !== false ) { $block_layout = 'horizontal'; } elseif ( isset( $attributes['className'] ) && strpos( $attributes['className'], 'is-style-stacked' ) !== false ) { $block_layout = 'stacked'; } else { $block_layout = 'carousel'; } return coblocks_post_carousel( $formatted_posts, $attributes ); } /** * Renders the carousel style. * * @param array $posts Current posts. * @param array $attributes The block attributes. * * @return string Returns the block content for the carousel. */ function coblocks_post_carousel( $posts, $attributes ) { $class = 'wp-block-coblocks-post-carousel external'; if ( isset( $attributes['className'] ) ) { $class .= ' ' . $attributes['className']; } if ( isset( $attributes['align'] ) ) { $class .= ' align' . $attributes['align']; } $right_to_left = false; if ( is_rtl() ) { $right_to_left = true; } $block_content = sprintf( '<div class="%1$s"><div class="coblocks-swiper swiper-container pb-8" data-swiper="%2$s">', esc_attr( $class ), esc_attr( wp_json_encode( /** * Filter the slick slider carousel settings * * @var array Slick slider settings. */ (array) apply_filters( 'coblocks_post_carousel_settings', array( 'slidesToScroll' => 1, 'arrow' => true, 'slidesToShow' => $attributes['columns'], 'infinite' => true, 'adaptiveHeight' => false, 'draggable' => true, 'rtl' => $right_to_left, 'responsive' => array( array( 'breakpoint' => 1024, 'settings' => array( 'slidesToShow' => 3, ), ), array( 'breakpoint' => 600, 'settings' => array( 'slidesToShow' => 2, ), ), array( 'breakpoint' => 480, 'settings' => array( 'slidesToShow' => 1, ), ), ), ) ) ) ) ); $block_content .= '<div class="swiper-wrapper" >'; $list_items_markup = ''; foreach ( $posts as $post ) { $list_items_markup .= '<div class="wp-block-coblocks-post-carousel__item swiper-slide">'; if ( null !== $post['thumbnailURL'] && $post['thumbnailURL'] ) { $list_items_markup .= sprintf( '<div class="wp-block-coblocks-post-carousel__image"><a href="%1$s" class="bg-cover bg-center-center" style="background-image:url(%2$s)"></a></div>', esc_url( $post['postLink'] ), esc_url( $post['thumbnailURL'] ) ); } $list_items_markup .= '<div class="wp-block-coblocks-post-carousel__content">'; if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) { $list_items_markup .= sprintf( '<time datetime="%1$s" class="wp-block-coblocks-post-carousel__date">%2$s</time>', $post['date'], $post['dateReadable'] ); } $title = $post['title']; if ( ! $title ) { $title = _x( '(no title)', 'placeholder when a post has no title', 'coblocks' ); } $list_items_markup .= sprintf( '<a href="%1$s" alt="%2$s">%2$s</a>', esc_url( $post['postLink'] ), esc_html( $title ) ); if ( isset( $attributes['displayPostContent'] ) && $attributes['displayPostContent'] ) { $post_excerpt = $post['postExcerpt']; $trimmed_excerpt = esc_html( wp_trim_words( $post_excerpt, $attributes['excerptLength'], ' … ' ) ); $list_items_markup .= sprintf( '<div class="wp-block-coblocks-post-carousel__excerpt">%1$s</div>', $trimmed_excerpt ); } if ( isset( $attributes['displayPostLink'] ) && $attributes['displayPostLink'] ) { $list_items_markup .= sprintf( '<a href="%1$s" class="wp-block-coblocks-post-carousel__more-link">%2$s</a>', esc_url( $post['postLink'] ), esc_html( $attributes['postLink'] ) ); } $list_items_markup .= '</div></div>'; } $block_content .= $list_items_markup; $block_content .= '</div>'; $block_content .= '</div>'; $block_content .= sprintf( '<button class="wp-coblocks-post-carousel-nav-button__prev" id="wp-coblocks-post-carousel-swiper-prev" style="visibility:hidden" aria-label="%s" />', __( 'Previous post', 'coblocks' ) ); $block_content .= sprintf( '<button class="wp-coblocks-post-carousel-nav-button__next" id="wp-coblocks-post-carousel-swiper-next" style="visibility:hidden" aria-label="%s" />', __( 'Next post', 'coblocks' ) ); $block_content .= '</div>'; return $block_content; } /** * Returns the posts for an internal post-carousel. * * @param array $posts Current posts. * * @return array Returns posts. */ function coblocks_get_post_carousel_info( $posts ) { $formatted_posts = array(); foreach ( $posts as $post ) { $formatted_post = null; $formatted_post['thumbnailURL'] = get_the_post_thumbnail_url( $post, 'full' ); $formatted_post['date'] = esc_attr( get_the_date( 'c', $post ) ); $formatted_post['dateReadable'] = esc_html( get_the_date( '', $post ) ); $formatted_post['title'] = get_the_title( $post ); $formatted_post['postLink'] = esc_url( get_permalink( $post ) ); $post_excerpt = $post->post_excerpt; if ( ! ( $post_excerpt ) ) { $post_excerpt = $post->post_content; } $formatted_post['postExcerpt'] = $post_excerpt; $formatted_posts[] = $formatted_post; } return $formatted_posts; } /** * Returns the posts for an external rss feed. * * @param array $posts current posts. * * @return array returns posts. */ function coblocks_get_rss_post_carousel_info( $posts ) { $formatted_posts = array(); foreach ( $posts as $post ) { $title = esc_html( trim( wp_strip_all_tags( $post->get_title() ) ) ); $formatted_post = null; $formatted_post['date'] = date_i18n( get_option( 'c' ), $post->get_date( 'U' ) ); $formatted_post['dateReadable'] = date_i18n( get_option( 'date_format' ), $post->get_date( 'U' ) ); $formatted_post['title'] = $title; $formatted_post['postLink'] = esc_url( $post->get_link() ); $formatted_post['postExcerpt'] = html_entity_decode( $post->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) ); $output = preg_match_all( '/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->get_content(), $matches ); $first_img = false; if ( $matches && ! empty( $matches[1] ) ) { $first_img = $matches[1][0]; } $formatted_post['thumbnailURL'] = $first_img; $formatted_posts[] = $formatted_post; } return $formatted_posts; } /** * Handles outdated versions of the `coblocks/post-carousel` block by converting * attribute `categories` from a numeric string to an array with key `id`. * * This is done to accommodate the changes introduced in https://github.com/WordPress/gutenberg/pull/20781 that sought to * add support for multiple categories to the block. However, given that this * block is dynamic, the usual provisions for block migration are insufficient, * as they only act when a block is loaded in the editor. * * Remove when and if the bottom client-side deprecation for this block is removed. * * @param array $block A single parsed block object. * * @return array The migrated block object. */ function coblocks_post_carousel_migrate_categories( $block ) { if ( 'coblocks/post-carousel' === $block['blockName'] && ! empty( $block['attrs']['categories'] ) && is_string( $block['attrs']['categories'] ) ) { $block['attrs']['categories'] = array( array( 'id' => absint( $block['attrs']['categories'] ) ), ); } return $block; } add_filter( 'render_block_data', 'coblocks_post_carousel_migrate_categories' ); blocks/social-profiles/block.json 0000644 00000003125 14717761760 0013122 0 ustar 00 { "name": "coblocks/social-profiles", "category": "widgets", "attributes": { "align": { "type": "string", "enum": [ "wide", "full" ] }, "className": { "type": "string" }, "hasColors": { "type": "boolean", "default": true }, "opensInNewTab": { "type": "boolean", "default": false }, "borderRadius": { "type": "number", "default": 40 }, "size": { "type": "string", "default": "med" }, "iconSize": { "type": "number", "default": 22 }, "padding": { "type": "number", "default": 16 }, "textAlign": { "type": "string" }, "backgroundColor": { "type": "string" }, "customBackgroundColor": { "type": "string" }, "blockBackgroundColor": { "type": "string" }, "customBlockBackgroundColor": { "type": "string" }, "textColor": { "type": "string" }, "customTextColor": { "type": "string" }, "facebook": { "type": "string", "default": "" }, "twitter": { "type": "string", "default": "" }, "instagram": { "type": "string", "default": "" }, "tiktok": { "type": "string", "default": "" }, "pinterest": { "type": "string", "default": "" }, "linkedin": { "type": "string", "default": "" }, "youtube": { "type": "string", "default": "" }, "yelp": { "type": "string", "default": "" }, "houzz": { "type": "string", "default": "" } }, "title": "Social Profiles", "textdomain": "coblocks", "description": "Grow your audience with links to social media profiles.", "editorScript": ["coblocks-10"], "render": "index.php" } blocks/social-profiles/index.php 0000644 00000012515 14717761760 0012760 0 ustar 00 <?php /** * Server-side rendering of the `coblocks/social-profiles` block. * * @package CoBlocks */ /** * Renders the block on server. * * @param array $attributes The block attributes. * * @return string Returns the block content. */ function coblocks_render_coblocks_social_profiles_block( $attributes ) { // Supported social media platforms. $platforms = array( 'facebook' => __( 'Facebook', 'coblocks' ), 'twitter' => __( 'Twitter', 'coblocks' ), 'instagram' => __( 'Instagram', 'coblocks' ), 'tiktok' => __( 'TikTok', 'coblocks' ), 'pinterest' => __( 'Pinterest', 'coblocks' ), 'linkedin' => __( 'Linkedin', 'coblocks' ), 'youtube' => __( 'YouTube', 'coblocks' ), 'yelp' => __( 'Yelp', 'coblocks' ), 'houzz' => __( 'Houzz', 'coblocks' ), ); $icons_markup = array(); foreach ( $platforms as $slug => $name ) { if ( empty( $attributes[ $slug ] ) ) { continue; } $icon_wrapper_class = array( 'wp-block-button__link wp-block-coblocks-social__button wp-block-coblocks-social__button--' . $slug ); $icon_wrapper_style = array(); $has_classname = ! empty( $attributes['className'] ); $has_style_mask = $has_classname && strpos( $attributes['className'], 'is-style-mask' ) !== false; $has_style_circular = $has_classname && strpos( $attributes['className'], 'is-style-circular' ) !== false; if ( isset( $attributes['backgroundColor'] ) || isset( $attributes['customBackgroundColor'] ) ) { $icon_wrapper_class[] = $has_style_mask ? 'has-' . $attributes['backgroundColor'] . '-color' : 'has-' . $attributes['backgroundColor'] . '-background-color'; if ( isset( $attributes['customBackgroundColor'] ) ) { $icon_wrapper_style[] = $has_style_mask ? 'color:' . $attributes['customBackgroundColor'] . ';' : 'background-color:' . $attributes['customBackgroundColor'] . ';'; } } if ( isset( $attributes['textColor'] ) || isset( $attributes['customTextColor'] ) ) { $icon_wrapper_class[] = 'has-text-color'; $icon_wrapper_class[] = 'has-' . $attributes['textColor'] . '-color'; if ( isset( $attributes['customTextColor'] ) ) { $icon_wrapper_style[] = 'color:' . $attributes['customTextColor'] . ';'; } } $icon_size_css = ''; if ( $has_style_mask || $has_style_circular ) { $icon_size_css = 'height:' . $attributes['iconSize'] . 'px; width:' . $attributes['iconSize'] . 'px;'; } if ( $has_style_circular ) { $icon_wrapper_style[] = 'padding:' . $attributes['padding'] . 'px;'; } if ( ! empty( $attributes['borderRadius'] ) ) { $icon_wrapper_style[] = 'border-radius:' . $attributes['borderRadius'] . 'px;'; } if ( ! empty( $attributes['padding'] ) ) { $icon_wrapper_class[] = 'has-padding'; } $icon_wrapper_open = wp_kses( sprintf( '<li><a href="%s" title="%s" class="%s" style="%s"%s>', esc_url( $attributes[ $slug ] ), esc_html( $name ), esc_attr( implode( ' ', $icon_wrapper_class ) ), esc_attr( implode( '', $icon_wrapper_style ) ), empty( $attributes['opensInNewTab'] ) ? '' : ' target="_blank" rel="noopener noreferrer"' ), array( 'li' => array(), 'a' => array( 'class' => true, 'href' => true, 'rel' => true, 'style' => true, 'target' => true, 'title' => true, ), ) ); $icon_wrapper_close = '</a></li>'; $icon_inner_markup = wp_kses( sprintf( '<span class="wp-block-coblocks-social__icon" style="%s"></span><span class="wp-block-coblocks-social__text">%s</span>', esc_attr( $icon_size_css ), esc_html( $name ) ), array( 'span' => array( 'class' => true, 'style' => true, ), ) ); $icons_markup[] = $icon_wrapper_open . $icon_inner_markup . $icon_wrapper_close; } // Block wrapper. $block_wrapper_class = array( 'wp-block-coblocks-social wp-block-coblocks-social-profiles' ); if ( isset( $attributes['className'] ) ) { $block_wrapper_class[] = $attributes['className']; } if ( isset( $attributes['align'] ) ) { $block_wrapper_class[] = 'align' . $attributes['align']; } if ( isset( $attributes['textAlign'] ) ) { $block_wrapper_class[] = 'has-text-align-' . $attributes['textAlign']; } if ( isset( $attributes['blockBackgroundColor'] ) || isset( $attributes['customBlockBackgroundColor'] ) ) { $block_wrapper_class[] = 'has-background'; } if ( isset( $attributes['blockBackgroundColor'] ) ) { $block_wrapper_class[] = 'has-' . $attributes['blockBackgroundColor'] . '-background-color'; } if ( ! empty( $attributes['hasColors'] ) ) { $block_wrapper_class[] = 'has-colors'; } if ( isset( $attributes['size'] ) && ( isset( $attributes['className'] ) && strpos( $attributes['className'], 'is-style-mask' ) === false ) ) { $block_wrapper_class[] = 'has-button-size-' . $attributes['size']; } $block_wrapper_style = array(); if ( isset( $attributes['customBlockBackgroundColor'] ) ) { $block_wrapper_style[] = 'background-color:' . $attributes['customBlockBackgroundColor'] . ';'; } $block_wrapper_open = wp_kses( sprintf( '<div class="%s" style="%s"><ul>', esc_attr( implode( ' ', $block_wrapper_class ) ), esc_attr( implode( '', $block_wrapper_style ) ) ), array( 'div' => array( 'class' => true, 'style' => true, ), 'ul' => array(), ) ); $block_wrapper_close = '</ul></div>'; return $block_wrapper_open . implode( '', $icons_markup ) . $block_wrapper_close; } blocks/gif/block.json 0000644 00000001160 14717761760 0010571 0 ustar 00 { "name": "coblocks/gif", "category": "media", "attributes": { "url": { "attribute": "src", "selector": "img", "source": "attribute", "type": "string" }, "alt": { "attribute": "alt", "selector": "img", "source": "attribute", "type": "string", "default": "" }, "caption": { "type": "string", "source": "html", "selector": "figcaption" }, "align": { "type": "string" }, "width": { "type": "number" }, "height": { "type": "number" } }, "title": "Gif", "textdomain": "coblocks", "editorScript": ["coblocks-9"], "description": "Pick a gif, any gif." } blocks/gallery-carousel/block.json 0000644 00000004415 14717761760 0013304 0 ustar 00 { "$schema": "https://schemas.wp.org/trunk/block.json", "name": "coblocks/gallery-carousel", "category": "media", "attributes": { "gutter": { "type": "number", "default": 5 }, "gutterMobile": { "type": "number", "default": 5 }, "gridSize": { "type": "string", "default": "lrg" }, "height": { "type": "number", "default": 400 }, "pageDots": { "type": "boolean", "default": false }, "prevNextButtons": { "type": "boolean", "default": true }, "loop": { "type": "boolean", "default": false }, "autoPlay": { "type": "boolean", "default": false }, "autoPlaySpeed": { "type": "string", "default": 3000 }, "draggable": { "type": "boolean", "default": true }, "alignCells": { "type": "boolean", "default": false }, "pauseHover": { "type": "boolean", "default": false }, "thumbnails": { "type": "boolean", "default": false }, "navForClass": { "type": "string", "default": "" }, "responsiveHeight": { "type": "boolean", "default": false }, "images": { "type": "array", "default": [], "source": "query", "selector": ".coblocks-gallery--item", "query": { "url": { "source": "attribute", "selector": "img", "attribute": "src" }, "link": { "source": "attribute", "selector": "img", "attribute": "data-link" }, "imgLink": { "source": "attribute", "selector": "img", "attribute": "data-imglink" }, "alt": { "source": "attribute", "selector": "img", "attribute": "alt", "default": "" }, "id": { "source": "attribute", "selector": "img", "attribute": "data-id" }, "index": { "source": "attribute", "selector": "img", "attribute": "data-index" }, "caption": { "type": "string", "source": "html", "selector": "figcaption" } } } }, "title": "Carousel", "textdomain": "coblocks", "editorScript": ["coblocks-1"], "viewScript": ["coblocks-lightbox"], "script": [ "coblocks-tiny-swiper", "coblocks-tinyswiper-initializer" ], "description": "Display multiple images in a beautiful carousel gallery.", "supports": { "align": [ "wide", "full" ], "html": false, "coBlocksSpacing": true } } blocks/click-to-tweet/block.json 0000644 00000002064 14717761760 0012663 0 ustar 00 { "apiVersion": 2, "$schema": "https://schemas.wp.org/trunk/block.json", "name": "coblocks/click-to-tweet", "category": "formatting", "attributes": { "content": { "type": "string", "source": "html", "selector": "p", "default": "" }, "textAlign": { "type": "string" }, "via": { "type": "string" }, "buttonText": { "type": "string", "default": "Tweet" }, "buttonColor": { "type": "string" }, "customButtonColor": { "type": "string" }, "textColor": { "type": "string" }, "customTextColor": { "type": "string" } }, "supports": { "anchor": true, "html": false, "typography": { "fontSize": true, "lineHeight": true, "__experimentalFontStyle": true, "__experimentalFontWeight": true, "__experimentalLetterSpacing": true, "__experimentalTextTransform": true, "__experimentalDefaultControls": { "fontSize": true } } }, "title": "Click to Tweet", "textdomain": "coblocks", "editorScript": ["coblocks-4"], "description": "Add a quote for readers to tweet via Twitter." } blocks/click-to-tweet/index.php 0000644 00000001067 14717761760 0012520 0 ustar 00 <?php /** * Server-side filter of click-to-tweet blocks. * * @package WordPress */ /** * Handles dynamic page permalink in the click to tweet block. * * @param string $block_content A single parsed block content. * * @return array The block content with the right post permalink for the page. */ function coblocks_click_to_tweet_post_permalink( $block_content ) { return str_replace( '[post_permalink]', rawurlencode( get_permalink() ), $block_content ); } add_filter( 'render_block_coblocks/click-to-tweet', 'coblocks_click_to_tweet_post_permalink' ); blocks/dynamic-separator/block.json 0000644 00000000573 14717761760 0013455 0 ustar 00 { "name": "coblocks/dynamic-separator", "category": "layout", "attributes": { "height": { "type": "number", "default": 50 }, "color": { "type": "string" }, "customColor": { "type": "string" } }, "title": "Dynamic Separator", "textdomain": "coblocks", "editorScript": ["coblocks-2"], "description": "Add a resizable spacer between other blocks." } blocks/services/block.json 0000644 00000000631 14717761760 0011651 0 ustar 00 { "name": "coblocks/services", "category": "layout", "attributes": { "columns": { "type": "integer", "default": 2 }, "alignment": { "type": "string", "default": "none" }, "headingLevel": { "type": "integer", "default": 3 } }, "title": "Services", "textdomain": "coblocks", "editorScript": ["coblocks-6"], "description": "Add up to four columns of services to display." } blocks/services/service/block.json 0000644 00000002470 14717761760 0013314 0 ustar 00 { "name": "coblocks/service", "category": "layout", "attributes": { "headingLevel": { "type": "integer", "default": 3 }, "imageUrl": { "type": "string", "source": "attribute", "selector": "img", "attribute": "src", "default": "" }, "imageAlt": { "type": "string", "source": "attribute", "selector": "img", "attribute": "alt", "default": "" }, "imageId": { "type": "number" }, "focalPoint": { "type": "object" }, "alignment": { "type": "string", "default": "none" }, "href": { "type": "string", "source": "attribute", "selector": "figure > a", "attribute": "href" }, "rel": { "type": "string", "source": "attribute", "selector": "figure > a", "attribute": "rel" }, "linkClass": { "type": "string", "source": "attribute", "selector": "figure > a", "attribute": "class" }, "linkDestination": { "type": "string" }, "linkTarget": { "type": "string", "source": "attribute", "selector": "figure > a", "attribute": "target" } }, "supports": { "anchor": true }, "title": "Service", "textdomain": "coblocks", "description": "A single service item within a services block.", "viewScript": ["coblocks-services-script"], "editorScript": ["coblocks-6"], "parent": [ "coblocks/services" ] } blocks/author/block.json 0000644 00000001526 14717761760 0011334 0 ustar 00 { "$schema": "https://schemas.wp.org/trunk/block.json", "name": "coblocks/author", "attributes": { "biography": { "type": "string" }, "name": { "type": "string" }, "imgId": { "type": "number" }, "imgUrl": { "type": "string" }, "anchor": { "type": "string" } }, "supports": { "anchor": true, "html": false, "color": { "gradients": true, "link": true, "__experimentalDefaultControls": { "background": true, "text": true } }, "typography": { "fontSize": true, "lineHeight": true, "__experimentalFontStyle": true, "__experimentalFontWeight": true, "__experimentalLetterSpacing": true, "__experimentalTextTransform": true, "__experimentalDefaultControls": { "fontSize": true } } }, "title": "Author", "category": "theme", "editorScript": ["coblocks-1"] } blocks/logos/block.json 0000644 00000001437 14717761760 0011156 0 ustar 00 { "name": "coblocks/logos", "category": "layout", "attributes": { "align": { "type": "string" }, "images": { "type": "array", "default": [], "source": "query", "selector": "img", "query": { "url": { "type": "string", "source": "attribute", "attribute": "src" }, "alt": { "type": "string", "source": "attribute", "attribute": "alt", "default": "" }, "id": { "type": "string", "source": "attribute", "attribute": "data-id" }, "width": { "type": "string", "source": "attribute", "attribute": "data-width" } } } }, "title": "Logos", "textdomain": "coblocks", "editorScript": ["coblocks-5"], "description": "Add logos, badges, or certifications to build credibility." } blocks/food-and-drinks/block.json 0000644 00000001022 14717761760 0013000 0 ustar 00 { "name": "coblocks/food-and-drinks", "category": "layout", "attributes": { "showImages": { "type": "boolean", "default": false }, "showPrices": { "type": "boolean", "default": true }, "columns": { "type": "number", "default": 2 }, "gutter": { "type": "string", "default": "medium" }, "headingLevel": { "type": "integer", "default": 4 } }, "title": "Food & Drink", "textdomain": "coblocks", "editorScript": ["coblocks-4"], "description": "Display a menu or price list." } blocks/food-and-drinks/food-item/block.json 0000644 00000002670 14717761760 0014675 0 ustar 00 { "name": "coblocks/food-item", "category": "layout", "attributes": { "title": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-food-item__heading", "default": "" }, "description": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-food-item__description", "default": "" }, "price": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-food-item__price span", "default": "" }, "url": { "type": "string", "source": "attribute", "selector": "img", "attribute": "src", "default": "" }, "alt": { "type": "string", "source": "attribute", "selector": "img", "attribute": "alt", "default": "" }, "focalPoint": { "type": "object" }, "glutenFree": { "type": "boolean" }, "pescatarian": { "type": "boolean" }, "popular": { "type": "boolean" }, "spicy": { "type": "boolean" }, "spicier": { "type": "boolean" }, "vegetarian": { "type": "boolean" }, "vegan": { "type": "boolean" }, "showImage": { "type": "boolean", "default": false }, "showPrice": { "type": "boolean", "default": true }, "headingLevel": { "type": "integer", "default": 4 } }, "title": "Food Item", "textdomain": "coblocks", "description": "A food and drink item within the Food & Drinks block.", "editorScript": ["coblocks-4"], "parent": [ "coblocks/food-and-drinks" ] } blocks/testimonials/block.json 0000644 00000002023 14717761760 0012536 0 ustar 00 { "$schema": "https://schemas.wp.org/trunk/block.json", "name": "coblocks/testimonials", "title": "Testimonials", "category": "layout", "description": "Utilize the CoBlocks Testimonials block to display customer feedbacks.", "keywords": [ "feedback", "review" ], "textdomain": "coblocks", "attributes": { "columns": { "type": "number", "default": 2 }, "headingLevel": { "type": "integer", "default": 4 }, "showRoles": { "type": "boolean", "default": true }, "showImages": { "type": "boolean", "default": false } }, "editorScript": ["coblocks-1"], "supports": { "align": [ "wide", "full" ], "anchor": true, "gutter": { "default": "medium" }, "html": false, "color": { "link": false }, "typography": { "fontSize": true, "lineHeight": true, "__experimentalFontStyle": true, "__experimentalFontWeight": true, "__experimentalLetterSpacing": true, "__experimentalTextTransform": true, "__experimentalDefaultControls": { "fontSize": true } } } } blocks/testimonials/testimonial/block.json 0000644 00000003151 14717761760 0015071 0 ustar 00 { "$schema": "https://schemas.wp.org/trunk/block.json", "apiVersion": 2, "name": "coblocks/testimonial", "parent": [ "coblocks/testimonials" ], "title": "Testimonial", "category": "widgets", "description": "Utilize the CoBlocks Testimonial block to display customer feedback.", "keywords": [ "feedback", "review" ], "textdomain": "coblocks", "attributes": { "alt": { "type": "string", "source": "attribute", "selector": "img", "attribute": "alt", "default": "" }, "focalPoint": { "type": "object" }, "headingLevel": { "type": "integer", "default": 4 }, "name": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-testimonial__heading__name", "default": "" }, "role": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-testimonial__heading__role", "default": "" }, "showImage": { "type": "boolean", "default": false }, "imageSize": { "type": "string", "default": "medium" }, "imageHeight": { "type": "number", "default": 100 }, "imageWidth": { "type": "number", "default": 100 }, "showRole": { "type": "boolean", "default": true }, "text": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-testimonial__text", "default": "" }, "url": { "type": "string", "source": "attribute", "selector": "img", "attribute": "src", "default": "" }, "styleName": { "type": "string", "default": "tall" }, "backgroundColor": { "type": "string" }, "color": { "type": "string" } }, "supports": { "html": false } } blocks/accordion/block.json 0000644 00000000540 14717761760 0011766 0 ustar 00 { "name": "coblocks/accordion", "category": "common", "attributes": { "count": { "type": "number", "default": "1" }, "polyfill": { "type": "boolean", "default": false } }, "title": "Accordion", "textdomain": "coblocks", "editorScript": ["coblocks-1"], "description": "Organize content within collapsable accordion items." } blocks/accordion/accordion-item/block.json 0000644 00000001224 14717761760 0014663 0 ustar 00 { "name": "coblocks/accordion-item", "category": "common", "attributes": { "title": { "type": "string", "selector": ".wp-block-coblocks-accordion__title" }, "open": { "type": "boolean", "default": false }, "backgroundColor": { "type": "string" }, "customBackgroundColor": { "type": "string" }, "textColor": { "type": "string" }, "customTextColor": { "type": "string" }, "borderColor": { "type": "string" } }, "title": "Accordion Item", "textdomain": "coblocks", "description": "Add collapsable accordion items to accordions.", "editorScript": ["coblocks-1"], "parent": [ "coblocks/accordion" ] } blocks/faq/block.json 0000644 00000000446 14717761760 0010601 0 ustar 00 { "name": "coblocks/faq", "category": "layout", "attributes": { "customTextColor": { "type": "string" }, "textColor": { "type": "string" } }, "title": "FAQ", "textdomain": "coblocks", "editorScript": ["coblocks-2"], "description": "Add a list of questions and answers." } blocks/faq/faq-item/block.json 0000644 00000000662 14717761760 0012304 0 ustar 00 { "name": "coblocks/faq-item", "category": "layout", "attributes": { "open": { "type": "boolean", "default": false }, "question": { "type": "string", "source": "html", "selector": ".wp-block-coblocks-faq-item__question__content" } }, "title": "FAQ Item", "textdomain": "coblocks", "description": "A question/answer within the FAQ block.", "editorScript": ["coblocks-2"], "parent": [ "coblocks/faq" ] } components/gutter-control/gutter-wrapper.php 0000644 00000004106 14717761760 0015443 0 ustar 00 <?php /** * Add inline attributes to blocks rendered with gutters. * * @package CoBlocks */ /** * Add gutter styles in php * * @param array $styles array of styles. * @param array $attributes block attributes. * * @return array */ function coblocks_add_gutter_styles( $styles, $attributes ) { if ( isset( $attributes['gutterCustom'] ) ) { array_push( $styles, '--coblocks-custom-gutter:' . $attributes['gutterCustom'] . 'em' ); } return $styles; } add_filter( 'coblocks_render_wrapper_styles', 'coblocks_add_gutter_styles', 10, 2 ); /** * Add gutter class in php * * @param array $classes array of classes. * @param array $attributes block attributes. * * @return array */ function coblocks_add_gutter_class( $classes, $attributes ) { if ( isset( $attributes['columns'] ) && 1 < intval( $attributes['columns'] ) && isset( $attributes['gutter'] ) ) { array_push( $classes, 'has-' . $attributes['gutter'] . '-gutter' ); } return $classes; } add_filter( 'coblocks_render_wrapper_class', 'coblocks_add_gutter_class', 10, 2 ); /** * Add gutter attribute in php * * @param WP_Block_Type $block_type Block Type. */ function coblocks_register_gutter_support( $block_type ) { $has_gutter_support = false; if ( isset( $block_type->supports ) && is_array( $block_type->supports ) ) { $has_gutter_support = array_key_exists( 'gutter', $block_type->supports ); } if ( ! $has_gutter_support ) { return; } if ( ! $block_type->attributes ) { $block_type->attributes = array(); } if ( ! array_key_exists( 'gutter', $block_type->attributes ) ) { $block_type->attributes['gutter'] = array( 'type' => 'string', 'default' => 'medium', ); } if ( ! array_key_exists( 'gutterCustom', $block_type->attributes ) ) { $block_type->attributes['gutterCustom'] = array( 'type' => 'string', 'default' => '', ); } } // Register the block support. Only since 5.6.0. if ( class_exists( 'WP_Block_Supports' ) ) { WP_Block_Supports::get_instance()->register( 'gutter', array( 'register_attribute' => 'coblocks_register_gutter_support', ) ); } components/form-label-colors/label-color-wrapper.php 0000644 00000002271 14717761760 0016654 0 ustar 00 <?php /** * Add inline attributes to blocks rendered with label colors. * * @package CoBlocks */ /** * Add label color styles * * @param array $styles Array of styles. * @param array $attributes Block attributes. * * @return array */ function coblocks_add_label_color_styles( $styles, $attributes ) { if ( isset( $attributes['customTextColor'] ) ) { $styles[] = 'color: ' . sanitize_hex_color( $attributes['customTextColor'] ) . ';'; } return $styles; } add_filter( 'coblocks_render_label_color_wrapper_styles', 'coblocks_add_label_color_styles', PHP_INT_MAX, 2 ); /** * Add label class * * @param array $classes Array of classes. * @param array $attributes Block attributes. * * @return array */ function coblocks_add_label_color_class( $classes, $attributes ) { if ( isset( $attributes['textColor'] ) || isset( $attributes['customTextColor'] ) ) { $classes[] = 'has-text-color'; } if ( isset( $attributes['textColor'] ) && ! isset( $attributes['customTextColor'] ) ) { $classes[] = "has-{$attributes['textColor']}-color"; } return $classes; } add_filter( 'coblocks_render_label_color_wrapper_class', 'coblocks_add_label_color_class', PHP_INT_MAX, 2 ); extensions/layout-selector/index.php 0000644 00000003437 14717761760 0013745 0 ustar 00 <?php /** * Feature: Layout Selector * * @package CoBlocks */ /** * Get the categories for the layout selector. * * @return array */ function coblocks_layout_selector_categories() { $categories = array( array( 'slug' => 'most-used', 'title' => __( 'Most Used', 'coblocks' ), ), array( 'slug' => 'about', 'title' => __( 'About', 'coblocks' ), ), array( 'slug' => 'contact', 'title' => __( 'Contact', 'coblocks' ), ), array( 'slug' => 'home', 'title' => __( 'Home', 'coblocks' ), ), array( 'slug' => 'portfolio', 'title' => __( 'Portfolio', 'coblocks' ), ), ); /** * Filters the available categories used by the Layout Selector. * * @param array $categories The available categories. */ return apply_filters( 'coblocks_layout_selector_categories', $categories ); } /** * Get the layouts for the layout selector. * * @return array */ function coblocks_layout_selector_layouts() { $layouts = array(); /** * Filters the available layouts used by the Layout Selector. * * @param array $layouts The available layouts. */ return apply_filters( 'coblocks_layout_selector_layouts', $layouts ); } /** * Localize layout and category definitions for the Layout Selector component. */ function coblocks_localize_layout_selector() { $current_screen = get_current_screen(); $screen_post_type = $current_screen->post_type; $allowed_post_types = array( 'page', ); wp_localize_script( 'coblocks-editor', 'coblocksLayoutSelector', array( 'postTypeEnabled' => in_array( $screen_post_type, $allowed_post_types, true ), 'layouts' => coblocks_layout_selector_layouts(), 'categories' => coblocks_layout_selector_categories(), ) ); } add_action( 'admin_enqueue_scripts', 'coblocks_localize_layout_selector' ); api.lib.php 0000604 00000137002 14717775511 0006611 0 ustar 00 <?php /** * Code related to the api.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Plugin API library. * * When used in the context of web development, an API is typically defined as a * set of Hypertext Transfer Protocol (HTTP) request messages, along with a * definition of the structure of response messages, which is usually in an * Extensible Markup Language (XML) or JavaScript Object Notation (JSON) format. * While "web API" historically has been virtually synonymous for web service, * the recent trend (so-called Web 2.0) has been moving away from Simple Object * Access Protocol (SOAP) based web services and service-oriented architecture * (SOA) towards more direct representational state transfer (REST) style web * resources and resource-oriented architecture (ROA). Part of this trend is * related to the Semantic Web movement toward Resource Description Framework * (RDF), a concept to promote web-based ontology engineering technologies. Web * APIs allow the combination of multiple APIs into new applications known as * mashups. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanAPI extends SucuriScanOption { /** * Alternative to the built-in PHP method http_build_query. * * Some PHP installations with different encoding or with different language * (German for example) might produce an unwanted behavior when building an * URL, because of this we decided to write our own URL query builder to * keep control of the output. * * @param array $params May be an array or object containing properties. * @return string Returns a URL-encoded string. */ private static function buildQuery($params = array()) { $trail = ''; foreach ($params as $param => $value) { $value = urlencode($value); $trail .= sprintf('&%s=%s', $param, $value); } return substr($trail, 1); } /** * Sends a HTTP request via WordPress WP_HTTP class. * * @suppress PhanNonClassMethodCall * @see https://secure.php.net/manual/en/book.curl.php * @see https://developer.wordpress.org/reference/classes/wp_http/request/ * * @param string $url The target URL where the request will be sent. * @param string $method HTTP method that will be used to send the request. * @param array $params Parameters for the request defined in an associative array. * @param array $args Request arguments like the timeout, headers, cookies, etc. * @return mixed HTTP response, JSON-decoded array, or false on failure. */ public static function apiCall($url = '', $method = 'GET', $params = array(), $args = array()) { if (!$url) { return self::throwException(__('URL is invalid', 'sucuri-scanner')); } if ($method !== 'GET' && $method !== 'POST') { return self::throwException(__('Only GET and POST methods allowed', 'sucuri-scanner')); } $res = null; $timeout = SUCURISCAN_MAX_REQUEST_TIMEOUT; $args = is_array($args) ? $args : array(); if (isset($args['timeout'])) { $timeout = (int)$args['timeout']; } /* include request arguments */ $args['method'] = $method; $args['timeout'] = $timeout; $args['redirection'] = 5; $args['httpversion'] = '1.1'; $args['blocking'] = true; $args['sslverify'] = true; /* separate hardcoded query parameters */ if (empty($params) && strpos($url, '?')) { $parts = @parse_url($url); if (array_key_exists('query', $parts)) { $portions = explode('&', $parts['query']); $url = str_replace('?' . $parts['query'], '', $url); foreach ($portions as $portion) { $bits = explode('=', $portion, 2); $params[$bits[0]] = $bits[1]; } } } /* include current timestamp for trackability */ if (!array_key_exists('time', $params)) { $params['time'] = time(); } /* support HTTP GET requests */ if ($method === 'GET') { $args['body'] = null; $url .= '?' . self::buildQuery($params); $res = wp_remote_get($url, $args); } /* support HTTP POST requests */ if ($method === 'POST') { if (array_key_exists('a', $params)) { /* include action to increase visibility */ $url .= '?a=' . $params['a']; } $args['body'] = $params; $res = wp_remote_post($url, $args); } if (is_wp_error($res)) { return self::throwException($res->get_error_message()); } /* try to return a JSON-encode object */ $data = @json_decode($res['body'], true); return $data ? $data : $res['body']; } /** * Check whether the plugin API key is valid or not. * * @param string $api_key An unique string to identify this installation. * @return bool True if the API key is valid, false otherwise. */ private static function isValidKey($api_key = '') { return (bool)@preg_match('/^[a-z0-9]{32}$/', $api_key); } /** * Store the API key locally. * * @param string $api_key An unique string of characters to identify this installation. * @param bool $validate Whether the format of the key should be validated before store it. * @return bool Either true or false if the key was saved successfully or not respectively. */ public static function setPluginKey($api_key = '', $validate = false) { if ($validate && !self::isValidKey($api_key)) { return SucuriScanInterface::error(__('Invalid API key format', 'sucuri-scanner')); } if (!empty($api_key)) { SucuriScanEvent::notifyEvent( 'plugin_change', sprintf(__('API key was successfully set: %s', 'sucuri-scanner'), $api_key) ); } return self::updateOption(':api_key', $api_key); } /** * Retrieve the API key from the local storage. * * @return string|bool The API key or false if it does not exists. */ public static function getPluginKey() { $api_key = self::getOption(':api_key'); if (is_string($api_key) && self::isValidKey($api_key)) { return $api_key; } return false; } /** * Call an action from the remote API interface of our WordPress service. * * @param string $method HTTP method that will be used to send the request. * @param array $params Parameters for the request defined in an associative array of key-value. * @param bool $send_api_key Whether the API key should be added to the request parameters or not. * @param array $args Request arguments like the timeout, redirections, headers, cookies, etc. * @return array|bool Response object after the HTTP request is executed. */ public static function apiCallWordpress($method = 'GET', $params = array(), $send_api_key = true, $args = array()) { if (!SucuriScan::issetScanApiUrl()) { return false; } $params[SUCURISCAN_API_VERSION] = 1; $params['p'] = 'wordpress'; if ($send_api_key) { $api_key = self::getPluginKey(); if (!$api_key) { return false; } $params['k'] = $api_key; } return self::apiCall(SUCURISCAN_API_URL, $method, $params, $args); } /** * Determine whether an API response was successful or not by checking the * expected generic variables and types, in case of an error a notification * will appears in the administrator panel explaining the result of the * operation. * * For failures in the HTTP response: * * Log file not found: means that the API key used to execute the request is * not associated to the website, this may indicate that either the key was * invalidated by an administrator of the service or that the API key was * custom generated with invalid data. * * Wrong API key: means that the TLD of the origin of the request is not the * domain used to generate the API key in the first place, or that the email * address of the site administrator was changed so the data is not valid * anymore. * * @param array $res HTTP response after API endpoint execution. * @return bool False if the API call failed, true otherwise. */ public static function handleResponse($res = array()) { if (!$res || getenv('SUCURISCAN_NO_API_HANDLE')) { return false; } if (is_array($res) && array_key_exists('status', $res) && intval($res['status']) === 1 ) { return true; } if (is_string($res) && !empty($res)) { return SucuriScanInterface::error($res); } if (!is_array($res) || !isset($res['messages']) || empty($res['messages']) ) { return SucuriScanInterface::error(__('Unknown error, there is no information', 'sucuri-scanner')); } $msg = implode(".\x20", $res['messages']); $raw = $msg; /* Keep a copy of the original message. */ // Special response for invalid API keys. if (stripos($raw, 'log file not found') !== false) { $key = SucuriScanOption::getOption(':api_key'); $msg .= '; this generally happens when you use an invalid API key,' . ' or when the connection with the API service suddently closes.'; SucuriScanEvent::reportCriticalEvent($msg); } // Special response for invalid firewall API keys. if (stripos($raw, 'wrong api key') !== false) { $key = SucuriScanOption::getOption(':cloudproxy_apikey'); $key = SucuriScan::escape($key); $msg .= sprintf('; invalid firewall API key: %s', $key); SucuriScanOption::setRevProxy('disable', true); SucuriScanOption::setAddrHeader('REMOTE_ADDR', true); return SucuriScanInterface::error($msg); } // Stop SSL peer verification on connection failures. if (stripos($raw, 'no alternative certificate') || stripos($raw, 'error setting certificate') || stripos($raw, 'SSL connect error') ) { $msg .= '. The website seems to be using an old version of the Ope' . 'nSSL library or the CURL extension was compiled without support' . ' for the algorithm used in the certificate installed in the API' . ' service. Contact your hosting provider to fix this issue.'; } // Check if the MX records as missing for API registration. if (strpos($raw, 'Invalid email') !== false) { $msg = __('Invalid email format or the host is missing MX records.', 'sucuri-scanner'); } return SucuriScanInterface::error($msg); } /** * Send a request to the API to register this site. * * @param string $email Optional email address for the registration. * @return bool True if the API key was generated, false otherwise. */ public static function registerSite($email = '') { if (!is_string($email) || empty($email)) { $email = self::getSiteEmail(); } $res = self::apiCallWordpress( 'POST', array( 'e' => $email, 's' => self::getDomain(), 'a' => 'register_site', ), false ); if (!self::handleResponse($res)) { return false; } self::setPluginKey($res['output']['api_key']); SucuriScanEvent::installScheduledTask(); SucuriScanEvent::notifyEvent('plugin_change', __('API key was generated and set', 'sucuri-scanner')); return SucuriScanInterface::info(__('API key successfully generated and saved.', 'sucuri-scanner')); } /** * Send a request to recover a previously registered API key. * * @return bool True if the API key was sent to the admin email, false otherwise. */ public static function recoverKey() { $domain = self::getDomain(); $res = self::apiCallWordpress( 'GET', array( 'e' => self::getSiteEmail(), 's' => $domain, 'a' => 'recover_key', ), false ); if (!self::handleResponse($res)) { return false; } SucuriScanEvent::notifyEvent( 'plugin_change', sprintf(__('API key recovery for domain: %s', 'sucuri-scanner'), $domain) ); return SucuriScanInterface::info($res['output']['message']); } /** * Retrieve the event logs registered by the API service. * * @param int $lines Maximum number of logs to return. * @param array $filters Filters to apply to the logs. * @return array|bool The data structure with the logs. */ public static function getAuditLogs($lines = 50, $filters = array()) { if (SucuriScanOption::isDisabled(':api_service') || SucuriScan::issetScanApiUrl()) { return self::parseAuditLogs(array()); } $res = self::apiCallWordpress( 'GET', array( 'a' => 'get_logs', 'l' => $lines, ) ); if (!self::handleResponse($res)) { return false; } return self::parseAuditLogs($res, $filters); } /** * Returns the security logs from the system queue. * In case the logs comes from the queue, set key "from_queue" to true, * as the parse function later will need to prevent timezone conflicts. * * @return array The data structure with the logs. */ public static function getAuditLogsFromQueue($filters = array()) { $auditlogs = array(); $cache = new SucuriScanCache('auditqueue'); $events = $cache->getAll(); if (is_array($events) && !empty($events)) { $events = array_reverse($events); foreach ($events as $micro => $message) { if (!is_string($message)) { /* incompatible JSON data */ continue; } $offset = strpos($micro, '_'); $time = substr($micro, 0, $offset); $auditlogs[] = sprintf( '%s %s : %s', SucuriScan::datetime($time, 'Y-m-d H:i:s'), SucuriScan::getSiteEmail(), $message ); } } $res = array( 'status' => 1, 'action' => 'get_logs', 'request_time' => time(), 'verbose' => 0, 'output' => array_reverse($auditlogs), 'total_entries' => count($auditlogs), 'from_queue' => '1', ); return self::parseAuditLogs($res, $filters); } /** * Retrieves the available filters for the audit logs. * * @return array An associative array containing the filters for the auditlogs. */ public static function getFilters() { $format = 'Y-m-d'; $today = strtotime('today'); $yesterday = strtotime('yesterday'); $thisWeek = strtotime('monday this week'); $last7Days = strtotime('-7 days'); $lastWeek = strtotime('monday last week'); $last14Days = strtotime('-14 days'); $thisMonth = strtotime('first day of this month'); $last30Days = strtotime('-30 days'); $lastMonth = strtotime('first day of last month'); $thisYear = strtotime('first day of January this year'); $lastYear = strtotime('first day of January last year'); return array( 'time' => array( 'all time' => array( 'label' => __('All Time', 'sucuri-scanner'), 'date' => null, ), 'today' => array( 'label' => __('Today', 'sucuri-scanner'), 'date' => SucuriScan::datetime($today, $format), ), 'yesterday' => array( 'label' => __('Yesterday', 'sucuri-scanner'), 'date' => SucuriScan::datetime($yesterday, $format), ), 'this week' => array( 'label' => __('This Week', 'sucuri-scanner'), 'date' => SucuriScan::datetime($thisWeek, $format), ), 'last 7 days' => array( 'label' => __('Last 7 Days', 'sucuri-scanner'), 'date' => SucuriScan::datetime($last7Days, $format), ), 'last week' => array( 'label' => __('Last Week', 'sucuri-scanner'), 'date' => SucuriScan::datetime($lastWeek, $format), ), 'last 14 days' => array( 'label' => __('Last 14 Days', 'sucuri-scanner'), 'date' => SucuriScan::datetime($last14Days, $format), ), 'this month' => array( 'label' => __('This Month', 'sucuri-scanner'), 'date' => SucuriScan::datetime($thisMonth, $format), ), 'last 30 days' => array( 'label' => __('Last 30 Days', 'sucuri-scanner'), 'date' => SucuriScan::datetime($last30Days, $format), ), 'last month' => array( 'label' => __('Last Month', 'sucuri-scanner'), 'date' => SucuriScan::datetime($lastMonth, $format), ), 'this year' => array( 'label' => __('This Year', 'sucuri-scanner'), 'date' => SucuriScan::datetime($thisYear, $format), ), 'last year' => array( 'label' => __('Last Year', 'sucuri-scanner'), 'date' => SucuriScan::datetime($lastYear, $format), ), 'custom' => array( 'label' => __('Custom', 'sucuri-scanner'), 'date' => null, ), ), 'startDate' => '', 'endDate' => '', 'posts' => array( 'all posts' => array( 'label' => __('All Posts', 'sucuri-scanner'), 'value' => null, ), 'created' => array( 'label' => __('Created', 'sucuri-scanner'), 'value' => 'Post was created', ), 'updated' => array( 'label' => __('Updated', 'sucuri-scanner'), 'value' => 'Post was updated', ), 'deleted' => array( 'label' => __('Deleted', 'sucuri-scanner'), 'value' => 'Post moved to trash', ), ), 'logins' => array( 'all logins' => array( 'label' => __('All Logins', 'sucuri-scanner'), 'value' => '', ), 'failed' => array( 'label' => __('Failed', 'sucuri-scanner'), 'value' => 'authentication failed', ), 'succeeded' => array( 'label' => __('Succeeded', 'sucuri-scanner'), 'value' => 'authentication succeeded', ), ), 'users' => array( 'all users' => array( 'label' => __('All Users', 'sucuri-scanner'), 'value' => '', ), 'created' => array( 'label' => __('Created', 'sucuri-scanner'), 'value' => 'User account created', ), 'edited' => array( 'label' => __('Edited', 'sucuri-scanner'), 'value' => 'User account edited', ), 'deleted' => array( 'label' => __('Deleted', 'sucuri-scanner'), 'value' => 'User account deleted', ), ), 'plugins' => array( 'all plugins' => array( 'label' => __('All Plugins', 'sucuri-scanner'), 'value' => '', ), 'installed' => array( 'label' => __('Installed', 'sucuri-scanner'), 'value' => 'Plugin installed', ), 'activated' => array( 'label' => __('Activated', 'sucuri-scanner'), 'value' => 'Plugin activated', ), 'deactivated' => array( 'label' => __('Deactivated', 'sucuri-scanner'), 'value' => 'Plugin deactivated', ), ), ); } /** * Filters a log entry based on the frontend filters provided. * Returns true if the log matches the time filter (if applied) and any of the other filters. * * @param array $log The log entry to be filtered. * @param array $frontend_filters The filters applied from the frontend. * * @return bool True if the log passes the filters, false otherwise. */ private static function filterAuditLog($log, $frontend_filters) { $filters = self::getFilters(); // Check the time filter first if (isset($frontend_filters['time']) && $frontend_filters['time'] !== 'all time') { if (!self::filterByTime($log['date'], $frontend_filters)) { return false; } } $other_filters = $frontend_filters; unset($other_filters['time'], $other_filters['startDate'], $other_filters['endDate']); if (empty($other_filters)) { return true; } // Check if the log matches any of the other filters foreach ($other_filters as $active_filter => $value_filter) { if (isset($filters[$active_filter][$value_filter])) { $search_term = $filters[$active_filter][$value_filter]['value']; if (strpos($log['message'], $search_term) !== false) { return true; // Log matches one of the filters } } } return false; } /** * Checks if a log entry matches the specified time filter. * * @param array $log_date The date of the log. * @param array $frontend_filters The filters applied from the frontend. * * @return bool True if the log matches the time filter, false otherwise. */ private static function filterByTime($log_date, $frontend_filters) { $filters = self::getFilters(); $today = strtotime('today'); $time_option = $frontend_filters['time']; $filter_date = SucuriScan::datetime($today, 'Y-m-d'); if (isset($filters['time'][$time_option]['date'])) { $filter_date = $filters['time'][$time_option]['date']; } switch ($time_option) { case 'today': case 'yesterday': return $log_date === $filter_date; case 'last week': $endDate = strtotime('sunday last week'); $endDate = SucuriScan::datetime($endDate, 'Y-m-d'); return $log_date >= $filter_date && $log_date <= $endDate; case 'last month': $endDate = strtotime('last day of last month'); $endDate = SucuriScan::datetime($endDate, 'Y-m-d'); return $log_date >= $filter_date && $log_date <= $endDate; case 'last year': $endDate = strtotime('last day of December last year'); $endDate = SucuriScan::datetime($endDate, 'Y-m-d'); return $log_date >= $filter_date && $log_date <= $endDate; case 'this week': case 'last 7 days': case 'last 14 days': case 'this month': case 'last 30 days': case 'this year': return $log_date >= $filter_date; case 'custom': $startDate = strtotime($frontend_filters['startDate']); $startDate = SucuriScan::datetime($startDate, 'Y-m-d'); $endDate = strtotime($frontend_filters['endDate']); $endDate = SucuriScan::datetime($endDate, 'Y-m-d'); return $log_date >= $startDate && $log_date <= $endDate; default: // Unrecognized time option; don't consider it a match. return false; } } /** * Reads, parses and extracts relevant data from the security logs. * * @param array $res JSON-decoded logs. * @return array|null Full data extracted from the logs. */ private static function parseAuditLogs($res, $filters = array()) { if (!is_array($res) || !isset($res['output'])) { return null; } $res['output_data'] = array(); foreach ((array)@$res['output'] as $log) { /* YYYY-MM-dd HH:ii:ss EMAIL : MESSAGE: (multiple entries): a,b,c */ if (strpos($log, "\x20:\x20") === false) { continue; /* ignore; invalid format */ } $log_data = array( 'event' => 'notice', 'date' => '', 'time' => '', 'datetime' => '', 'timestamp' => 0, 'account' => '', 'username' => 'system', 'remote_addr' => '127.0.0.1', 'message' => '', 'file_list' => false, 'file_list_count' => 0, ); list($left, $right) = explode("\x20:\x20", $log, 2); $dateAndEmail = explode("\x20", $left, 3); /* set basic information */ $log_data['message'] = $right; $log_data['account'] = $dateAndEmail[2]; /** * When the audit logs comes from the queue, it's necessary to convert * the logs using the correct timezone before parsing to avoid issues. * First, use timezone override feature if set on the plugin settings, * convert it properly as the syntax must be compatible with php strtotime, * otherwise use WordPress timezone or offset with a quick fix only for UTC * as by default it would be set as "0" instead of "UTC". */ $tz_override = SucuriScanOption::getOption(':timezone'); if (empty($tz_override)) { $wpTimezone = get_option('timezone_string'); if (empty($wpTimezone)) { $wpTimezone = get_option('gmt_offset'); } /* set wpTimezone to UTC if was previously unset */ if ($wpTimezone == "0") { $wpTimezone = "UTC"; } } else { $tz_override_replace_from = array(".", "UTC"); $tz_override_replace_to = array(":", ""); $wpTimezone = str_replace($tz_override_replace_from, $tz_override_replace_to, $tz_override); } /** * When the audit logs comes from the audit logs server, it will * be using EDT timezone, however due to the seasonal nature of the * EDT timzeone, here we will be using America/New_York when and only * when the audit logs comes from the audit logs server, cause when * it comes from the queue, wpTimezone var will be used. */ if (array_key_exists('from_queue', $res)) { $datetime = sprintf('%s %s %s', $dateAndEmail[0], $dateAndEmail[1], $wpTimezone); } else { $datetime = sprintf('%s %s America/New_York', $dateAndEmail[0], $dateAndEmail[1]); } $log_data['timestamp'] = strtotime($datetime); $log_data['datetime'] = SucuriScan::datetime($log_data['timestamp'], 'Y-m-d H:i:s'); $log_data['date'] = SucuriScan::datetime($log_data['timestamp'], 'Y-m-d'); $log_data['time'] = SucuriScan::datetime($log_data['timestamp'], 'H:i:s'); /* extract more information from the generic audit logs */ $log_data['message'] = str_replace('<br>', ";\x20", $log_data['message']); $eventTypes = self::getAuditEventTypes(); $eventTypes = array_keys($eventTypes); /* LEVEL: USERNAME, IP; MESSAGE */ if (strpos($log_data['message'], ":\x20") && strpos($log_data['message'], ";\x20")) { $offset = strpos($log_data['message'], ":\x20"); $level = substr($log_data['message'], 0, $offset); $log_data['event'] = strtolower($level); /* ignore; invalid event type */ if (!in_array($log_data['event'], $eventTypes)) { continue; } /* extract the IP address */ $log_data['message'] = substr($log_data['message'], $offset + 2); $offset = strpos($log_data['message'], ";\x20"); $log_data['remote_addr'] = substr($log_data['message'], 0, $offset); /* extract the username */ if (strpos($log_data['remote_addr'], ",\x20")) { $index = strpos($log_data['remote_addr'], ",\x20"); $log_data['username'] = substr($log_data['remote_addr'], 0, $index); $log_data['remote_addr'] = substr($log_data['remote_addr'], $index + 2); } /* fix old user authentication logs for backward compatibility */ $log_data['message'] = substr($log_data['message'], $offset + 2); $log_data['message'] = str_replace( 'logged in', 'authentication succeeded', $log_data['message'] ); /* extract the username of a successful/failed login */ if (strpos($log_data['message'], "User authentication\x20") === 0) { $offset = strpos($log_data['message'], ":\x20"); $username = substr($log_data['message'], $offset + 2); if (strpos($username, ';') !== false) { $username = substr($username, 0, strpos($username, ';')); } $log_data['username'] = $username; } } /* extract more information from the special formatted logs */ if (strpos($log_data['message'], "(multiple entries):\x20")) { $offset = strpos($log_data['message'], "(multiple entries):\x20"); $message = substr($log_data['message'], 0, $offset + 19); $entries = substr($log_data['message'], $offset + 20); $log_data['message'] = $message; $entries = str_replace(', new size', '; new size', $entries); $entries = str_replace(",\x20", ";\x20", $entries); $log_data['file_list'] = explode(',', $entries); $log_data['file_list_count'] = count($log_data['file_list']); } /* extract additional details from the message */ if (strpos($log_data['message'], '; details:')) { $idx = strpos($log_data['message'], '; details:'); $message = substr($log_data['message'], 0, $idx); $details = substr($log_data['message'], $idx + 11); $log_data['message'] = $message . ' (details):'; $log_data['file_list'] = explode(',', $details); $log_data['file_list_count'] = count($log_data['file_list']); } $log_data = self::getLogsHotfix($log_data); // Based on filters, evaluate if should skip. if (self::filterAuditLog($log_data, $filters) === false) { continue; } if ($log_data) { $res['output_data'][] = $log_data; } } return $res; } /** * Modifies some of the security logs to detail the information. * * @param array $data Valid security log data structure. * @return array|bool Modified security log. */ private static function getLogsHotfix($data) { /** * PHP Compatibility Checker * * The WP Engine PHP Compatibility Checker can be used by any WordPress * website on any web host to check PHP version compatibility. This * plugin will lint theme and plugin code inside your WordPress file * system and give you back a report of compatibility issues for you to * fix. * * @see https://wordpress.org/plugins/php-compatibility-checker/ */ if (isset($data['message']) && strpos($data['message'], 'Wpephpcompat_jobs') === 0) { $offset = strpos($data['message'], "ID:\x20"); $id = substr($data['message'], $offset + 4); $id = substr($id, 0, strpos($id, ';')); $offset = strpos($data['message'], "name:\x20"); $name = substr($data['message'], $offset + 6); $data['message'] = sprintf( __('WP Engine PHP Compatibility Checker: %s (created post #%d as cache)', 'sucuri-scanner'), $name, /* plugin or theme name */ $id /* unique post or page identifier */ ); } return $data; } /** * Get a list of valid audit event types with their respective colors. * * @return array Valid audit event types with their colors. */ public static function getAuditEventTypes() { return array( 'critical' => '#000000', 'debug' => '#c690ec', 'error' => '#f27d7d', 'info' => '#5bc0de', 'notice' => '#428bca', 'warning' => '#f0ad4e', ); } /** * Parse the event logs with multiple entries. * * @param string $event_log Event log that will be processed. * @return string|array List of parts of the event log. */ public static function parseMultipleEntries($event_log = '') { $pattern = "\x20(multiple entries):\x20"; if (strpos($event_log, $pattern)) { return explode(',', str_replace($pattern, ',', $event_log)); } return $event_log; } /** * Send a request to the API to store and analyze the file's hashes of the site. * This will be the core of the monitoring tools and will enhance the * information of the audit logs alerting the administrator of suspicious * changes in the system. * * @param string $hashes The information gathered after the scanning of the site's files. * @return bool True if the hashes were stored, false otherwise. */ public static function sendHashes($hashes = '') { if (empty($hashes)) { return false; } $params = array('a' => 'send_hashes', 'h' => $hashes); $res = self::apiCallWordpress('POST', $params); return self::handleResponse($res); } /** * Generates a new set of WordPress security keys. * * @return array New set of WordPress security keys. */ public static function getNewSecretKeys() { $new_keys = array(); $pattern = self::secretKeyPattern(); $res = self::apiCall('https://api.wordpress.org/secret-key/1.1/salt/', 'GET'); if ($res && @preg_match_all($pattern, $res, $match)) { foreach ($match[1] as $key => $value) { $new_keys[$value] = $match[3][$key]; } } return $new_keys; } /** * Returns the URL for the WordPress checksums API service. * * @return string URL for the WordPress checksums API. */ public static function checksumAPI() { $url = 'https://api.wordpress.org/core/checksums/1.0/?version={version}&locale={locale}'; $custom = SucuriScanOption::getOption(':checksum_api'); if ($custom) { $url = sprintf( 'https://api.github.com/repos/%s/git/trees/master?recursive=1', $custom /* expect: username/repository */ ); } $url = str_replace('{version}', SucuriScan::siteVersion(), $url); $url = str_replace('{locale}', get_locale(), $url); return $url; } /** * Returns the name of the hash to use in the integrity tool * * By default, the plugin will use MD5 to hash the content of the specified * file, however, if the core integrity tool is using a custom URL, and this * URL is pointing to GitHub API, then we will assume that the checksum that * comes from this service is using SHA1. * * @return string Hash to use in the integrity tool. */ public static function checksumAlgorithm() { return strpos(self::checksumAPI(), '//api.github.com') ? 'sha1' : 'md5'; } /** * Calculates the md5/sha1 hash of a given file. * * When the user decides to configure the integrity tool to use the checksum * from a GitHub repository the plugin will have to use the SHA1 algorithm * instead of MD5 (which is what WordPress uses in their API). For this, we * will have to calculate the GIT hash object of the file which is basically * the merge of the text "blob" a single white space, the length of the text * a null byte and then the text in itself (content of the file). * * Example: * * - Input: "hello world\n" * - GIT (object): "blob 16\u0000hello world\n" * - GIT (shaobj): "3b18e512dba79e4c8300dd08aeb37f8e728b8dad" * * @see https://git-scm.com/book/en/v2/Git-Internals-Git-Objects#_object_storage * * @param string $algorithm Either md5 or sha1. * @param string $filename Absolute path to the given file. * @return string Hash of the given file. */ public static function checksum($algorithm, $filename) { if ($algorithm === 'sha1') { $content = SucuriScanFileInfo::fileContent($filename); return @sha1("blob\x20" . strlen($content) . "\x00" . $content); } return @md5_file($filename); } /** * Returns the checksum of all the files of the current WordPress version. * * The webmaster can change this URL using an option form the settings page. * This allows them to control which repository will be used to check the * integrity of the installation. * * For example, projectnami.org offers an option to use Microsoft SQL Server * instead of MySQL has a different set of files and even with the same * filenames many of them have been modified to support the new database * engine, since the checksums are different than the official ones the * number of false positives will increase. This option allows the webmaster * to point the plugin to a different URL where the new checksums for this * project will be retrieved. * * If the custom API is part of GitHub infrastructure, the plugin will try * to build the expected JSON object from the output, if it fails it will * pass the unmodified response to the rest of the code and try to analyze * the integrity of the installation with that information. * * @see Release Archive https://wordpress.org/download/release-archive/ * @see https://api.github.com/repos/user/repo/git/trees/master?recursive=1 * * @return array|bool Checksums of the WordPress installation. */ public static function getOfficialChecksums() { $url = self::checksumAPI(); $version = SucuriScan::siteVersion(); $res = self::apiCall($url, 'GET', array()); if (is_array($res) && array_key_exists('sha', $res) && array_key_exists('url', $res) && array_key_exists('tree', $res) && strpos($url, '//api.github.com') ) { $checksums = array(); foreach ($res['tree'] as $meta) { $checksums[$meta['path']] = $meta['sha']; } $res = array('checksums' => array($version => $checksums)); } if (!isset($res['checksums'])) { return false; } /* checksums for a specific version */ if (isset($res['checksums'][$version])) { return $res['checksums'][$version]; } return $res['checksums']; } /** * Returns the metadata of all the installed plugins. * * @see https://developer.wordpress.org/reference/functions/is_plugin_active/ * * @return array List of plugins with associated metadata. */ public static function getPlugins() { $cache = new SucuriScanCache('plugindata'); $cached_data = $cache->get('plugins', SUCURISCAN_GET_PLUGINS_LIFETIME, 'array'); /* use cache data instead of API */ if ($cached_data) { return $cached_data; } // Get the plugin's basic information from WordPress transient data. $plugins = get_plugins(); $wp_market = 'https://wordpress.org/plugins/%s/'; $pattern = '/^http(s)?:\/\/wordpress\.org\/plugins\/(.*)\/$/'; // Loop through each plugin data and complement its information with more attributes. foreach ($plugins as $path => $plugin_data) { // Default values for the plugin extra attributes. $repository = ''; $repository_name = ''; $is_free_plugin = false; /** * Extract the information of the plugin which includes the repository name, * repository URL, and if the source code of the plugin is publicly released or * not, in this last case if the source code of the plugin is not hosted in the * official WordPress server it means that it is premium and is being * distributed by an independent developer. */ if (isset($plugin_data['PluginURI']) && strpos($plugin_data['PluginURI'], '.org/plugins/') && strpos($plugin_data['PluginURI'], '://wordpress.org/') ) { $is_free_plugin = true; $repository = $plugin_data['PluginURI']; $offset = strpos($plugin_data['PluginURI'], '/plugins/'); $repository_name = substr($plugin_data['PluginURI'], $offset + 9); if (strpos($repository_name, '/') !== false) { $offset = strpos($repository_name, '/'); $repository_name = substr($repository_name, 0, $offset); } } else { $delimiter = strpos($path, '/') ? '/' : '.'; $parts = explode($delimiter, $path, 2); $possible_repository = sprintf($wp_market, $parts[0]); $resp = wp_remote_head($possible_repository); if (!is_wp_error($resp) && $resp['response']['code'] == 200) { $repository = $possible_repository; $repository_name = $parts[0]; $is_free_plugin = true; } } // Complement the plugin's information with these attributes. $plugins[$path]['Repository'] = $repository; $plugins[$path]['RepositoryName'] = $repository_name; $plugins[$path]['InstallationPath'] = sprintf('%s/%s', WP_PLUGIN_DIR, $repository_name); $plugins[$path]['PluginType'] = ($is_free_plugin ? 'free' : 'premium'); $plugins[$path]['IsPluginInstalled'] = is_dir($plugins[$path]['InstallationPath']); $plugins[$path]['IsPluginActive'] = is_plugin_active($path); $plugins[$path]['IsFreePlugin'] = $is_free_plugin; } /* cache data for future usage */ $cache->add('plugins', $plugins); return $plugins; } /** * Retrieve plugin installer pages from WordPress Plugins API. * * It is possible for a plugin to override the Plugin API result with three * filters. Assume this is for plugins, which can extend on the Plugin Info to * offer more choices. This is very powerful and must be used with care, when * overriding the filters. * * The first filter, 'plugins_api_args', is for the args and gives the action as * the second parameter. The hook for 'plugins_api_args' must ensure that an * object is returned. * * The second filter, 'plugins_api', is the result that would be returned. * * @param string $plugin Frienly name of the plugin. * @return array|bool Object on success, WP_Error on failure. */ public static function getRemotePluginData($plugin = '') { $resp = self::apiCall('https://api.wordpress.org/plugins/info/1.0/' . $plugin . '.json', 'GET'); return ($resp === 'null') ? false : $resp; } /** * Retrieve a specific file from the official WordPress subversion repository, * the content of the file is determined by the tags defined using the site * version specified. Only official core files are allowed to fetch. * * @see https://core.svn.wordpress.org/ * @see https://i18n.svn.wordpress.org/ * @see https://core.svn.wordpress.org/tags/VERSION_NUMBER/ * * @param string $filename Relative path of a core file. * @return string|bool Original code for the core file, false otherwise. */ public static function getOriginalCoreFile($filename) { $version = self::siteVersion(); $url = 'https://core.svn.wordpress.org/tags/{version}/{filename}'; $custom = SucuriScanOption::getOption(':checksum_api'); if ($custom) { $url = sprintf( 'https://raw.githubusercontent.com/%s/master/{filename}', $custom /* expect: username/repository */ ); } $url = str_replace('{version}', $version, $url); $url = str_replace('{filename}', $filename, $url); $resp = self::apiCall($url, 'GET'); if (strpos($resp, '404 Not Found') !== false) { /* not found comes from the official WordPress API */ return self::throwException(__('WordPress version is not supported anymore', 'sucuri-scanner')); } if (strpos($resp, '400: Invalid request') !== false) { /* invalid request comes from the unofficial GitHub API */ return self::throwException(__('WordPress version is not supported anymore', 'sucuri-scanner')); } return $resp ? $resp : false; } } auditlogs.lib.php 0000604 00000033626 14717775511 0010042 0 ustar 00 <?php /** * Code related to the auditlogs.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Lists the logs collected by the API service. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanAuditLogs { /** * Print a HTML code with the content of the logs audited by the remote Sucuri * API service, this page is part of the monitoring tool. * * @return string HTML with the audit logs page. */ public static function pageAuditLogs() { $params = array(); $params['AuditLogs.Lifetime'] = SUCURISCAN_AUDITLOGS_LIFETIME; return SucuriScanTemplate::getSection('auditlogs', $params); } /** * Generates the HTML snippet for the audit log filters. * * This method constructs the HTML code for the audit log filters, including * select dropdowns for various filter options and date input fields for custom date ranges. * * @param array $frontend_filter The currently applied filters from the frontend. * * @return string The HTML code containing the filters. */ private static function getFiltersSnippet($frontend_filter) { $filters_snippet = ''; $filters = SucuriScanAPI::getFilters(); foreach ($filters as $filter => $options) { $filter_options = ''; if ($filter === 'startDate' || $filter === 'endDate') { $date = isset($frontend_filter[$filter]) ? $frontend_filter[$filter] : ''; $filters_snippet .= '<input type="date" id="' . esc_attr($filter) . '" name="' . esc_attr($filter . 'Filter') . '" value="' . esc_attr($date) . '">'; continue; } foreach ($options as $value => $option) { $label = $option['label']; $selected = (isset($frontend_filter[$filter]) && $frontend_filter[$filter] === $value) ? ' selected' : ''; $filter_options .= '<option value="' . esc_attr($value) . '" ' . $selected . '>' . esc_html($label) . '</option>'; } $option_data = array( 'AuditLog.FilterName' => esc_attr($filter), 'AuditLog.FilterOptions' => $filter_options, ); $filters_snippet .= SucuriScanTemplate::getSnippet('auditlogs-filter', $option_data); } $filters_data = array( 'AuditLog.Filters' => $filters_snippet, ); return SucuriScanTemplate::getSnippet('auditlogs-filters', $filters_data); } /** * Gets the security logs from the API service. * * To reduce the amount of queries to the API this method will cache the logs * for a short period of time enough to give the service a rest. Once the * cache expires the method will communicate with the API once again to get * a fresh copy of the new logs. The cache is skipped when the user clicks * around the pagination. * * Additionally, if the API key has not been added but the website owner has * enabled the security log exporter, the method will retrieve the logs from * the local server with the limitation that only the latest entries in the * file will be processed. * * @codeCoverageIgnore - Notice that there is a test case that covers this * code, but since the WP-Send-JSON method uses die() to stop any further * output it means that XDebug cannot cover the next line, leaving a report * with a missing line in the coverage. Since the test case takes care of * the functionality of this code we will assume that it is fully covered. * * @return void */ public static function ajaxAuditLogs() { if (SucuriScanRequest::post('form_action') !== 'get_audit_logs') { return; } $response = array(); $response['count'] = 0; $response['status'] = ''; $response['content'] = ''; $response['queueSize'] = 0; $response['pagination'] = ''; $response['selfhosting'] = false; $response['filters'] = ''; $response['filtersStatus'] = ''; /* initialize the values for the pagination */ $maxPerPage = SUCURISCAN_AUDITLOGS_PER_PAGE; $pageNumber = SucuriScanTemplate::pageNumber(); $logsLimit = ($pageNumber * $maxPerPage); /* Initialize filter values */ $filters = array(); if (SucuriScanRequest::get('time')) { $filters['time'] = SucuriScanRequest::get('time'); if ($filters['time'] === 'custom') { $filters['startDate'] = SucuriScanRequest::get('startDate'); $filters['endDate'] = SucuriScanRequest::get('endDate'); } } $filter_keys = array('posts', 'logins', 'users', 'plugins'); foreach ($filter_keys as $key) { if (SucuriScanRequest::get($key)) { $filters[$key] = SucuriScanRequest::get($key); } } if (!empty($filters)) { $response['filtersStatus'] = 'active'; } $response['filters'] = self::getFiltersSnippet($filters); /* Get data from the cache if possible. */ $errors = ''; /* no errors so far */ $cache = new SucuriScanCache('auditlogs'); $auditlogs = $cache->get('response', SUCURISCAN_AUDITLOGS_LIFETIME, 'array'); $cacheTheResponse = false; /* cache if the data comes from the API */ /* API call if cache is invalid. */ if (!$auditlogs || $pageNumber !== 1) { ob_start(); $start = microtime(true); $cacheTheResponse = true; $auditlogs = SucuriScanAPI::getAuditLogs($logsLimit, $filters); $errors = ob_get_contents(); /* capture errors */ $duration = microtime(true) - $start; ob_end_clean(); /* report latency in the API calls */ if (!is_array($auditlogs)) { $response['status'] = __('API is not available; using local queue', 'sucuri-scanner'); } else { $response['status'] = sprintf(__('API %s secs', 'sucuri-scanner'), round($duration, 4)); } } /* stop everything and report errors */ if (!empty($errors)) { $response['content'] .= $errors; } /* Cache the data for some time. */ if ($cacheTheResponse && $auditlogs && empty($errors)) { $cache->add('response', $auditlogs); } /* merge the logs from the queue system */ $queuelogs = SucuriScanAPI::getAuditLogsFromQueue($filters); if (is_array($queuelogs) && !empty($queuelogs)) { if (!$auditlogs || empty($auditlogs)) { $auditlogs = $queuelogs; } else { $auditlogs['output'] = array_merge( $queuelogs['output'], @$auditlogs['output'] ); $auditlogs['output_data'] = array_merge( $queuelogs['output_data'], @$auditlogs['output_data'] ); if (isset($auditlogs['total_entries'])) { $auditlogs['total_entries'] = $auditlogs['total_entries'] + $queuelogs['total_entries']; } else { $auditlogs['total_entries'] = $queuelogs['total_entries']; } } } if (!is_array($auditlogs) || !isset($auditlogs['output_data']) || !isset($auditlogs['total_entries']) || !is_array($auditlogs['output_data']) || !is_numeric($auditlogs['total_entries']) || empty($auditlogs['output_data']) ) { $response['content'] = __('There are no logs.', 'sucuri-scanner'); wp_send_json($response, 200); return; } $counter_i = 0; $previousDate = ''; $outdata = (array)$auditlogs['output_data']; $todaysDate = SucuriScan::datetime(null, 'M d, Y'); $iterator_start = ($pageNumber - 1) * $maxPerPage; $total_items = count($outdata); usort($outdata, array('SucuriScanAuditLogs', 'sortByDate')); for ($i = $iterator_start; $i < $total_items; $i++) { if ($counter_i > $maxPerPage) { break; } if (!isset($outdata[$i])) { continue; } $audit_log = (array)$outdata[$i]; if (strpos($audit_log['message'], ";\x20password:")) { $idx = strpos($audit_log['message'], ";\x20password:"); $audit_log['message'] = substr($audit_log['message'], 0, $idx); } $snippet_data = array( 'AuditLog.Event' => $audit_log['event'], 'AuditLog.Time' => SucuriScan::datetime($audit_log['timestamp'], 'H:i'), 'AuditLog.Date' => SucuriScan::datetime($audit_log['timestamp'], 'M d, Y'), 'AuditLog.Username' => $audit_log['username'], 'AuditLog.Address' => $audit_log['remote_addr'], 'AuditLog.Message' => $audit_log['message'], 'AuditLog.Extra' => '', ); $date_data = self::getAuditLogDate($snippet_data['AuditLog.Date'], $previousDate, $todaysDate); $snippet_data['AuditLog.Date'] = $date_data['date']; $previousDate = $date_data['previousDate']; /* print every file_list information item in a separate table */ if ($audit_log['file_list']) { $snippet_data['AuditLog.Extra'] .= '<ul class="sucuriscan-list-as-table">'; foreach ($audit_log['file_list'] as $log_extra) { $snippet_data['AuditLog.Extra'] .= '<li>' . SucuriScan::escape($log_extra) . '</li>'; } $snippet_data['AuditLog.Extra'] .= '</ul>'; } /* simplify the details of events with low metadata */ if (strpos($audit_log['message'], __('status has been changed', 'sucuri-scanner'))) { $snippet_data['AuditLog.Extra'] = implode(",\x20", $audit_log['file_list']); } $response['content'] .= SucuriScanTemplate::getSnippet('auditlogs', $snippet_data); $counter_i += 1; } $response['count'] = $counter_i; if ($total_items > 1) { $maxpages = ceil($total_items / $maxPerPage); if ($maxpages > SUCURISCAN_MAX_PAGINATION_BUTTONS) { $maxpages = SUCURISCAN_MAX_PAGINATION_BUTTONS; } if ($maxpages > 1) { $response['pagination'] = SucuriScanTemplate::pagination( SucuriScanTemplate::getUrl(), ($maxPerPage * $maxpages), $maxPerPage, $filters ); } } $response['queueSize'] = $auditlogs['total_entries']; wp_send_json($response, 200); } /** * Send the logs from the queue to the API. * * @codeCoverageIgnore - Notice that there is a test case that covers this * code, but since the WP-Send-JSON method uses die() to stop any further * output it means that XDebug cannot cover the next line, leaving a report * with a missing line in the coverage. Since the test case takes care of * the functionality of this code we will assume that it is fully covered. * * @return void */ public static function ajaxAuditLogsSendLogs() { if (SucuriScanRequest::post('form_action') !== 'auditlogs_send_logs') { return; } /* blocking; might take a while */ wp_send_json(SucuriScanEvent::sendLogsFromQueue(), 200); } /** * Sort the audit logs by date. * * Considering that the logs from the API service will be merged with the * logs from the local queue system to complement the information until the * queue is emptied, we will have to sort the entries in the list to keep * the dates in sync. * * @param array $a Data associated to a single log. * @param array $b Data associated to another log. * @return int Comparison between the dates of both logs. */ public static function sortByDate($a, $b) { if ($a['timestamp'] === $b['timestamp']) { return 0; } return ($a['timestamp'] > $b['timestamp']) ? -1 : 1; } /** * @param array $snippet_data * @param mixed $previousDate * @param mixed $todaysDate * @return array */ public static function getAuditLogDate($date = '', $previousDate = '', $todaysDate = '') { // Since we're iterating over the logs, we need to keep track of the // previous date to determine if we need to print the date again. // This serves as a visual separator between the logs. if ($date === $previousDate) { $date = ''; } elseif ($date === $todaysDate) { $previousDate = $date; $date = __('Today', 'sucuri-scanner'); } else { $previousDate = $date; } if (!empty($date)) { $date = '<div class="sucuriscan-auditlog-date">' . $date . '</div>'; } return array( 'date' => $date, 'previousDate' => $previousDate, ); } } base.lib.php 0000604 00000067600 14717775511 0006760 0 ustar 00 <?php /** * Code related to the base.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Miscellaneous library. * * Multiple and generic methods that will be used through out the code of other * libraries extending from this and methods defined in other files, be aware of * the hierarchy and check the other libraries for duplicated methods. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScan { /** * Throw generic exception instead of silent failure for unit-tests. * * @throws Exception * * @param string $message Error or information message. * @param string $type Either info or error. * @return bool False all the time. */ public static function throwException($message, $type = 'error') { if (defined('SUCURISCAN_THROW_EXCEPTIONS') && SUCURISCAN_THROW_EXCEPTIONS === true && is_string($message) ) { $code = ($type === 'error' ? 157 : 333); $message = str_replace( SUCURISCAN_ADMIN_NOTICE_PREFIX, ($type === 'error' ? __('Error:', 'sucuri-scanner') : __('Info:', 'sucuri-scanner')), $message ); /* throw catchable errors via tests */ throw new Exception($message, $code); } return false; /* for backward compatibility */ } /** * Return name of a variable with the plugin's prefix (if needed). * * To facilitate the development, you can prefix the name of the key in the * request (when accessing it) with a single colon, this method will auto- * matically replace that character with the unique plugin ID. * * @param string $name Text with optional colon prefix. * @return string Real variable name. */ public static function varPrefix($name = '') { if (!empty($name) && $name[0] === ':') { return sprintf( '%s_%s', SUCURISCAN, substr($name, 1) ); } return $name; } /** * Gets the value of a configuration option. * * @param string $property The configuration option name. * @param bool $raw Return the original value from the php.ini file. * @return string Value of the option as a string on success. */ public static function iniGet($property = '', $raw = false) { $ini_value = ini_get($property); if ($raw) { return $ini_value; } $default = array( 'error_log' => 'error_log', 'safe_mode' => 'not active', 'memory_limit' => '128M', 'upload_max_filesize' => '2M', 'post_max_size' => '8M', 'max_execution_time' => '30', 'max_input_time' => '-1', ); if ($ini_value === false) { $ini_value = 'unknown'; } elseif (empty($ini_value) || $ini_value === null) { if (array_key_exists($property, $default)) { $ini_value = $default[$property]; } else { $ini_value = 'not active'; } } if ($property == 'error_log') { $ini_value = basename($ini_value); } return $ini_value; } /** * Encodes the less-than, greater-than, ampersand, double quote and single * quote characters, will never double encode entities. * * @see https://developer.wordpress.org/reference/functions/esc_attr/ * * @param string $text The text which is to be encoded. * @return string The encoded text with HTML entities. */ public static function escape($text = '') { return esc_attr($text); } /** * Translate a given number in bytes to a human readable file size using the * a approximate value in Kylo, Mega, Giga, etc. * * @see https://www.php.net/manual/en/function.filesize.php#106569 * * @param int $bytes Integer representing a file size in bytes. * @param int $decimals How many decimals should be returned. * @return string Human readable representation of the given number. */ public static function humanFileSize($bytes = 0, $decimals = 2) { $sz = 'BKMGTP'; $factor = (int) floor((strlen((string) $bytes) - 1) / 3); $number = $bytes / pow(1024, $factor); $result = sprintf("%.{$decimals}f", $number) . @$sz[$factor]; $zeroes = '.' . str_repeat('0', $decimals); $result = str_replace($zeroes, '', $result); return $result; } /** * Returns the human version of the time difference. * * If the timestamp is in the past in comparison with the current time, it * will return a string in the form of "X time ago". If the timestamp is in * the future in comparison with the current time, it will return a string * in the form of "in X time". If the timestamp is the same as the current * time it will return "right now". * * @param int $time Unix timestamp. * @return string Different between timestamp and current time. */ public static function humanTime($time = 0) { if (!is_numeric($time)) { return 'N/A'; } $now = time(); if ($time === $now) { return 'right now'; } $result = ''; $template = ''; $diff = $now - $time; $groups = array( 31536000 => 'year', 2592000 => 'month', 86400 => 'day', 3600 => 'hour', 60 => 'minute', 1 => 'second', ); if ($time < $now) { $template = '%d %s ago'; } else { $template = 'in %d %s'; } foreach ($groups as $secs => $label) { $distance = abs($diff / $secs); if ($distance >= 1) { $plural = (round($distance) == 1) ? '' : 's'; $result = sprintf( $template, round($distance), $label . $plural ); break; } } return $result; } /** * Check if the admin init hook must not be intercepted. * * @return bool True if the admin init hook must not be intercepted. */ public static function noAdminInit() { return (bool) ( defined('SUCURISCAN_ADMIN_INIT') && SUCURISCAN_ADMIN_INIT === false ); } /** * Check if the admin init hook must be intercepted. * * @return bool True if the admin init hook must be intercepted. */ public static function runAdminInit() { return (bool) (self::noAdminInit() === false); } /** * Fix the deliminar of a resource path. * * In Windows based system the directory separator is a back slash which * differs from what other file systems use. To keep consistency during the * unit-tests we have decided to replace any non forward slash with it. * * @param string $path Directory path to fix. * @return string Fixed file path. */ public static function fixPath($path = '') { $new = str_replace(DIRECTORY_SEPARATOR, '/', $path); $new = rtrim($new, '/'); /* purge right side. */ return empty($new) ? '/' : $new; } /** * Returns the full path to a specific directory or file. * * @param string $path Path that needs to be completed. * @return string Full path including the base directory. */ public static function dataStorePath($path = '') { $folder = WP_CONTENT_DIR . '/uploads/sucuri'; /* custom path no matter its existence */ if (defined('SUCURI_DATA_STORAGE')) { $folder = SUCURI_DATA_STORAGE; } $fullpath = self::fixPath($folder . '/' . $path); $fullpath = str_replace('//', '/', $fullpath); $fullpath = rtrim($fullpath, '/'); return $fullpath; } /** * Check whether the current site is working as a multi-site instance. * * @return bool Either TRUE or FALSE in case WordPress is being used as a multi-site instance. */ public static function isMultiSite() { return (bool) (function_exists('is_multisite') && is_multisite()); } /** * Returns an URL from the admin dashboard. * * @param string $url Optional trailing of the URL. * @return string Full valid URL from the admin dashboard. */ public static function adminURL($url = '') { if (self::isMultiSite()) { // @codeCoverageIgnoreStart return network_admin_url($url); // @codeCoverageIgnoreEnd } return admin_url($url); } /** * Find and retrieve the current version of WordPress installed. * * @return string The version number of WordPress installed. */ public static function siteVersion() { if (isset($GLOBALS['wp_version'])) { return self::escape($GLOBALS['wp_version']); } $wp_version = ''; $filename = ABSPATH . '/' . WPINC . '/version.php'; $lines = SucuriScanFileInfo::fileLines($filename); foreach ($lines as $line) { if (strpos($line, '$wp_version') === 0) { $version = str_replace("\x20", '', $line); $index = strpos($version, "'"); $version = substr($version, $index + 1); $index = strpos($version, "'"); $version = substr($version, 0, $index); $wp_version = $version; break; } } return self::escape($wp_version); } /** * Find and retrieve the absolute path of the WordPress configuration file. * * @return string|bool Absolute path of the WordPress configuration file. */ public static function getConfigPath() { $filename = ABSPATH . '/wp-config.php'; /* check one directory up */ if (!file_exists($filename)) { $filename = ABSPATH . '/../wp-config.php'; } return @realpath($filename); } /** * Find and retrieve the absolute path of the main WordPress htaccess file. * * @return string Absolute path of the main WordPress htaccess file. */ public static function getHtaccessPath() { $result = ''; $base_dirs = array( rtrim(ABSPATH, '/'), dirname(ABSPATH), dirname(dirname(ABSPATH)), ); foreach ($base_dirs as $base_dir) { $htaccess_path = sprintf('%s/.htaccess', $base_dir); if (file_exists($htaccess_path)) { $result = $htaccess_path; break; } } return $result; } /** * Get the pattern of the definition related with a WordPress secret key. * * @return string Secret key definition pattern. */ public static function secretKeyPattern() { return '/define\(\s*\'([A-Z_]+)\',(\s*)\'(.+)\'\s*\);/'; } /** * Execute the plugin' scheduled tasks. * * @return void */ public static function runScheduledTask() { SucuriScanEvent::filesystemScan(); SucuriScanEvent::reportSiteVersion(); SucuriScanIntegrity::getIntegrityStatus(true); SucuriScanSettingsPosthack::availableUpdatesContent(true); SucuriScanEvent::sendLogsFromQueue(); /* blocking; keep at the end */ } /** * List of allowed HTTP headers to retrieve the real IP. * * Once the DNS lookups are enabled to discover the real IP address of the * visitors the user may choose the HTTP header that will be used by default to * retrieve the real IP address of each HTTP request, generally they do not need * to set this but in rare cases the hosting provider may have a load balancer * that can interfere in the process, in which case they will have to explicitly * specify the main HTTP header. This is a list of the allowed headers that the * user can choose. * * @param bool $with_keys Return the array with its values are keys. * @return array Allowed HTTP headers to retrieve real IP. */ public static function allowedHttpHeaders($with_keys = false) { $allowed = array( /* Sucuri custom HTTP headers */ 'HTTP_X_SUCURI_CLIENTIP', /* CloudFlare custom HTTP headers */ 'HTTP_CF_CONNECTING_IP', /* Real visitor IP. */ 'HTTP_CF_IPCOUNTRY', /* Country of visitor. */ 'HTTP_CF_RAY', /* https://support.cloudflare.com/entries/23046742-w. */ 'HTTP_CF_VISITOR', /* Determine if HTTP or HTTPS. */ /* Possible HTTP headers */ 'HTTP_X_REAL_IP', 'HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'SUCURI_RIP', 'REMOTE_ADDR', ); if ($with_keys === true) { $verbose = array(); foreach ($allowed as $header) { $verbose[$header] = $header; } return $verbose; } return $allowed; } /** * List HTTP headers ordered. * * The list of HTTP headers is ordered per relevancy, and having the main * HTTP header as the first entry, this guarantees that the IP address of * the visitors will be retrieved from the HTTP header chosen by the user * first and fallback to the other alternatives if available. * * @return array Ordered allowed HTTP headers. */ private static function orderedHttpHeaders() { $ordered = array(); $allowed = self::allowedHttpHeaders(); $addr_header = SucuriScanOption::getOption(':addr_header'); $ordered[] = $addr_header; foreach ($allowed as $header) { if (!in_array($header, $ordered)) { $ordered[] = $header; } } return $ordered; } /** * Retrieve the real ip address of the user in the current request. * * @param bool $with_header Return HTTP header where the IP address was found. * @return string Real IP address of the user in the current request. */ public static function getRemoteAddr($with_header = false) { $remote_addr = false; $header_used = 'unknown'; $headers = self::orderedHttpHeaders(); foreach ($headers as $header) { if (array_key_exists($header, $_SERVER) && self::isValidIP($_SERVER[$header]) ) { $remote_addr = $_SERVER[$header]; $header_used = $header; break; } } if (!$remote_addr || $remote_addr === '::1') { $remote_addr = '127.0.0.1'; } if ($with_header) { return $header_used; } return $remote_addr; } /** * Return the HTTP header used to retrieve the remote address. * * @return string The HTTP header used to retrieve the remote address. */ public static function getRemoteAddrHeader() { return self::getRemoteAddr(true); } /** * Retrieve the user-agent from the current request. * * @return string The user-agent from the current request. */ public static function getUserAgent() { if (isset($_SERVER['HTTP_USER_AGENT'])) { return self::escape($_SERVER['HTTP_USER_AGENT']); } return 'Mozilla/5.0 (KHTML, like Gecko) Safari/537.36'; } /** * Get the clean version of the current domain. * * @see https://developer.wordpress.org/reference/functions/get_site_url/ * * @param bool $return_tld Returns the top-level domain instead. * @return string The domain of the current site. */ public static function getDomain($return_tld = false) { $site_url = get_site_url(); $pattern = '/([fhtps]+:\/\/)?([^:\/]+)(:[0-9:]+)?(\/.*)?/'; $replacement = ($return_tld === true) ? '$2' : '$2$3$4'; $domain_name = @preg_replace($pattern, $replacement, $site_url); return $domain_name; } /** * Get top-level domain (TLD) of the website. * * @return string Top-level domain (TLD) of the website. */ public static function getTopLevelDomain() { return self::getDomain(true); } /** * Check whether reverse proxy servers must be supported. * * @return bool TRUE if reverse proxies must be supported, FALSE otherwise. */ public static function supportReverseProxy() { return SucuriScanOption::isEnabled(':revproxy'); } /** * Checks the existence of the HTTP_X_SUCURI_CLIENTIP header in the request headers * * Once active, the Sucuri Firewall sends custom headers to the server with information * about the original request. * * @return boolean True if the website is being reached with our HTTP_X_SUCURI_CLIENTIP header. */ private static function hasSucuriClientIPHeader() { return array_key_exists('HTTP_X_SUCURI_CLIENTIP', $_SERVER); } /** * Checks whether the site is behind the firewall network. * * @param bool $verbose Return array with HTTP and HOST information. * @return array|bool True if the firewall is in use, false otherwise. */ public static function isBehindFirewall($verbose = false) { if (!$verbose) { return (bool) self::hasSucuriClientIPHeader(); } $http_host = self::getTopLevelDomain(); $host_by_addr = @gethostbyname($http_host); $host_by_name = @gethostbyaddr($host_by_addr); return array( 'status' => self::hasSucuriClientIPHeader(), 'http_host' => self::getTopLevelDomain(), 'host_name' => $host_by_name, 'host_addr' => $host_by_addr, ); } /** * Get the email address set by the administrator to receive the alerts * sent by the plugin, if the email is missing the WordPress email address is * chosen by default. * * @return string The administrator email address. */ public static function getSiteEmail() { $email = get_option('admin_email'); if (self::isValidEmail($email)) { return $email; } return 'noreply@example.org'; } /** * Get user data by field and data. * * @see https://developer.wordpress.org/reference/functions/get_user_by/ * * @param int $identifier User account identifier. * @return array WordPress user object with data. */ public static function getUserByID($identifier = 0) { return get_user_by('id', $identifier); } /** * Retrieve a list of all admin user accounts. * * @see https://developer.wordpress.org/reference/functions/get_users/ * * @return array|bool List of admin users, false otherwise. */ public static function getAdminUsers() { return get_users(array('role' => 'administrator')); } /** * Get a list of user emails that can be used to generate an API key for this * website. Only accounts with the status in zero will be returned, the status * field in the users table is officially deprecated but some 3rd-party plugins * still use it to check if the account was activated by the owner of the email, * a value different than zero generally means that the email was not verified * successfully. * * @return array List of user identifiers and email addresses. */ public static function getUsersForAPIKey() { $valid_users = array(); $users = self::getAdminUsers(); if ($users !== false) { foreach ($users as $user) { if ($user->user_status === '0') { $valid_users[$user->ID] = sprintf( '%s - %s', $user->user_login, $user->user_email ); } } } return $valid_users; } /** * Retrieve the date in localized format, based on timestamp. * * If the locale specifies the locale month and weekday, then the locale will * take over the format for the date. If it isn't, then the date format string * will be used instead. * * @param null|string|int $timestamp Unix timestamp. * @param string $format Optional format for the date and time. * @return string The date, translated if locale specifies it. */ public static function datetime($timestamp = null, $format = null) { $diff = 0; /* use server time */ $tz = SucuriScanOption::getOption(':timezone'); $length = strlen($tz); /* example: UTC+12.75 */ if ($timestamp === null) { $timestamp = time(); } if ($length === 9 && substr($tz, 0, 3) === 'UTC' && ($tz[3] === '-' || $tz[3] === '+') && $tz[6] === '.' ) { $hour = (float) substr($tz, 4); $sign = ($tz[3] === '-') ? -1 : +1; $diff = ($hour * $sign); } else { /* reset; value seems to be corrupt */ SucuriScanOption::deleteOption(':timezone'); } if ($format === null) { $format = sprintf( "%s\x20%s", SucuriScanOption::getOption('date_format'), SucuriScanOption::getOption('time_format') ); } return date($format, (intval($timestamp) + ($diff * 3600))); } /** * Check whether an IP address has a valid format or not. * * @param string $remote_addr The host IP address. * @return bool Whether the IP address specified is valid or not. */ public static function isValidIP($remote_addr = '') { return (bool) @filter_var($remote_addr, FILTER_VALIDATE_IP); } /** * Check whether an IP address is formatted as CIDR or not. * * @param string $remote_addr The supposed ip address that will be checked. * @return bool Either TRUE or FALSE if the ip address specified is valid or not. */ public static function isValidCIDR($remote_addr = '') { if (!is_string($remote_addr)) { return false; } if (preg_match('/^([0-9\.]{7,15})\/(8|16|24)$/', $remote_addr, $match)) { return self::isValidIP($match[1]); } return false; } /** * Separate the parts of an IP address. * * @param string $remote_addr The supposed ip address that will be formatted. * @return array|bool Clean address, CIDR range, and CIDR format; FALSE otherwise. */ public static function getIPInfo($remote_addr = '') { if ($remote_addr) { $ip_parts = explode('/', $remote_addr); if (isset($ip_parts[0]) && self::isValidIP($ip_parts[0])) { $addr_info = array(); $addr_info['remote_addr'] = $ip_parts[0]; $addr_info['cidr_range'] = isset($ip_parts[1]) ? $ip_parts[1] : '32'; $addr_info['cidr_format'] = $addr_info['remote_addr'] . '/' . $addr_info['cidr_range']; return $addr_info; } } return false; } /** * Validate email address. * * This use the native PHP method filter_var which is available in PHP >= * 5.2.0 if it is not found in the interpreter this method will sue regular * expressions to check whether the email address passed is valid or not. * * @see https://www.php.net/manual/en/function.filter-var.php * * @param string $email The string that will be validated as an email address. * @return bool TRUE if the email address passed to the method is valid, FALSE if not. */ public static function isValidEmail($email = '') { return (bool) @filter_var($email, FILTER_VALIDATE_EMAIL); } /** * Cut a long text to the length specified, and append suspensive points at the end. * * @param string $text String of characters that will be cut. * @param int $length Maximum length of the returned string, default is 10. * @return string Short version of the text specified. */ public static function excerpt($text = '', $length = 10) { $text_length = strlen($text); if ($text_length > $length) { return substr($text, 0, $length) . '...'; } return $text; } /** * Check whether an list is a multidimensional array or not. * * @param array $list An array or multidimensional array of different values. * @return bool TRUE if the list is multidimensional, FALSE otherwise. */ public static function isMultiList($list = array()) { if (empty($list)) { return false; } $status = false; foreach ((array) $list as $item) { if (is_array($item)) { $status = true; break; } } return $status; } /** * Join array elements with a string no matter if it is multidimensional. * * @param string $separator Character that will act as a separator, default to an empty string. * @param array $list The array of strings to implode. * @return string String of all the items in the list, with the separator between them. */ public static function implode($separator = '', $list = array()) { if (!is_array($list)) { return 'INVALID_ARGS'; } if (self::isMultiList($list)) { $pieces = array(); foreach ($list as $items) { $pieces[] = @implode($separator, $items); } return '(' . implode('), (', $pieces) . ')'; } return implode($separator, $list); } /** * Check whether the site is running over the Nginx web server. * * @return bool TRUE if the site is running over Nginx, FALSE otherwise. */ public static function isNginxServer() { return (bool) (stripos(@$_SERVER['SERVER_SOFTWARE'], 'nginx') !== false); } /** * Check whether the site is running over the Nginx web server. * * @return bool TRUE if the site is running over Nginx, FALSE otherwise. */ public static function isIISServer() { return (bool) (stripos(@$_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false); } /** * Returns the md5 hash representing the content of a file. * * @param string $file Relative path to the file. * @return string Seven first characters in the hash of the file. */ public static function fileVersion($file = '') { return substr(md5_file(SUCURISCAN_PLUGIN_PATH . '/' . $file), 0, 7); } public static function issetScanApiUrl() { return defined('SUCURISCAN_API_URL') && !empty(SUCURISCAN_API_URL); } } cachecontrol.lib.php 0000604 00000022531 14717775511 0010504 0 ustar 00 <?php /** * Code related to the cache control headers settings. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Cache-Control library. * * We use this library to set the cache control headers based on the user's * settings. The cache control headers are used to control how the browser * and proxies cache the content of the website. * * Please enable site caching on your WAF to use these settings. * * Please note that this is an advanced feature, and we took some inspiration * from another WordPress plugin called "cache-control", which hasn't been updated * in a long time. We've made some improvements and added some new features, * but we still want to give credit to the original author. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanCacheHeaders extends SucuriScan { protected function getCacheControlStaleFactor($factor, $maxAge) { if (is_paged() && is_int($factor) && $factor > 0) { $multiplier = get_query_var('paged') - 1; if ($multiplier > 0) { $factoredMaxAge = $factor * $multiplier; if ($factoredMaxAge >= ($maxAge * 10)) { return $maxAge * 10; } return $factoredMaxAge; } } return 0; } protected function getFuturePostMaxTime($maxTimeFuture) { $futurePostQuery = new WP_Query(array( 'post_status' => 'future', 'posts_per_page' => 1, 'orderby' => 'date', 'order' => 'ASC', 'ignore_sticky_posts' => 1 )); if ($futurePostQuery->have_posts()) { $localNowTime = intval(current_time('timestamp', 0)); while ($futurePostQuery->have_posts()) { $futurePostQuery->the_post(); $localFutureTime = get_the_time('U'); if (($localNowTime + $maxTimeFuture) > $localFutureTime) { $maxTimeFuture = $localFutureTime - $localNowTime + rand(2, 32); } } wp_reset_postdata(); } return $maxTimeFuture; } protected function getCacheDirectives($maxAge, $sMaxAge, $staleError, $staleRevalidate) { $directive = ""; if (!empty($maxAge) && is_int($maxAge) && $maxAge > 0) { $directive = "max-age=$maxAge"; } if (!empty($sMaxAge) && is_int($sMaxAge) && $sMaxAge > 0 && $sMaxAge != $maxAge) { if ($directive != "") { $directive = "public"; } $directive .= ", s-maxage=$sMaxAge"; } // Append RFC 5861 headers only if the request is cacheable if ($directive != "") { if (!empty($staleError) && is_int($staleError) && $staleError > 0) { $directive .= ", stale-if-error=$staleError"; } if (!empty($staleRevalidate) && is_int($staleRevalidate) && $staleRevalidate > 0) { $directive .= ", stale-while-revalidate=$staleRevalidate"; } $directive = apply_filters('cache_control_cache_directive', $directive); return $directive; } // Request isn't cacheable return "no-cache, no-store, must-revalidate"; } protected function getCacheDirectiveFromOption($optionName) { $cacheOptions = SucuriScanOption::getOption(':headers_cache_control_options'); $option = $cacheOptions[$optionName]; $maxAge = intval($option['max_age']); $sMaxAge = intval($option['s_maxage']); $staleError = intval($option['stale_if_error']); $staleRevalidate = intval($option['stale_while_revalidate']); // Dynamically shorten caching time when a scheduled post is imminent if (!in_array($optionName, array('attachment_pages', 'dates', 'pages', 'singles', '404_not_found'))) { $maxAge = $this->getFuturePostMaxTime($maxAge); $sMaxAge = $this->getFuturePostMaxTime($sMaxAge); } if (is_paged() && isset($option['paged'])) { $pageFactor = intval(get_option('cache_control_' . $option['id'] . '_paged', $option['paged'])); $maxAge += $this->getCacheControlStaleFactor($pageFactor, $maxAge); $sMaxAge += $this->getCacheControlStaleFactor($pageFactor, $sMaxAge); } if ($optionName == 'singles') { $dateNow = new DateTime(); $dateModified = new DateTime(get_the_modified_date('c')); $lastComment = get_comments(array( 'post_id' => get_the_ID(), 'number' => 1, 'include_unapproved' => 1, 'orderby' => 'comment_date' )); if ($lastComment != null) { $lastCommentDate = new DateTime($lastComment[0]->comment_date); $dateModified = max(array($dateModified, $lastCommentDate)); } $dateDiff = $dateNow->diff($dateModified); $monthsStale = $dateDiff->m + ($dateDiff->y * 12); if ($monthsStale > 0) { $maxAge = intval($maxAge * (($monthsStale + 12) / 12)); $sMaxAge = intval($sMaxAge * (($monthsStale + 12) / 12)); } } return $this->getCacheDirectives($maxAge, $sMaxAge, $staleError, $staleRevalidate); } protected function isNoCacheable() { global $wp_query; $nonCacheable = is_preview() || is_user_logged_in() || is_trackback() || is_admin(); // Requires post password, and post has been unlocked. if (!$nonCacheable && isset($wp_query->posts) && count($wp_query->posts) >= 1 && !empty($wp_query->posts[0]->post_password) && !post_password_required()) { $nonCacheable = true; } elseif (!$nonCacheable && function_exists('is_woocommerce')) { $nonCacheable = is_cart() || is_checkout() || is_account_page(); } return $nonCacheable; } protected function isWooCommerceInstalled() { return in_array('woocommerce/woocommerce.php', apply_filters('active_plugins', get_option('active_plugins'))); } protected function selectCacheDirective() { if ($this->isNoCacheable()) { return $this->getCacheDirectives(false, false, false, false); } elseif (is_feed()) { return $this->getCacheDirectiveFromOption('feeds'); } elseif (is_front_page() && !is_paged()) { return $this->getCacheDirectiveFromOption('front_page'); } elseif (is_single()) { return $this->getCacheDirectiveFromOption('posts'); } elseif (is_page()) { return $this->getCacheDirectiveFromOption('pages'); } elseif (is_home()) { return $this->getCacheDirectiveFromOption('main_index'); } elseif (is_category()) { return $this->getCacheDirectiveFromOption('categories'); } elseif (is_tag()) { return $this->getCacheDirectiveFromOption('tags'); } elseif (is_author()) { return $this->getCacheDirectiveFromOption('authors'); } elseif (is_attachment()) { return $this->getCacheDirectiveFromOption('attachment_pages'); } elseif (is_search()) { return $this->getCacheDirectiveFromOption('search_results'); } elseif (is_404()) { return $this->getCacheDirectiveFromOption('404_not_found'); } elseif (is_date()) { if ((is_year() && strcmp(get_the_time('Y'), date('Y')) < 0) || (is_month() && strcmp(get_the_time('Y-m'), date('Y-m')) < 0) || ((is_day() || is_time()) && strcmp(get_the_time('Y-m-d'), date('Y-m-d')) < 0)) { return $this->getCacheDirectiveFromOption('dates'); } else { return $this->getCacheDirectiveFromOption('home'); } } elseif ($this->isWooCommerceInstalled()) { if (function_exists('is_product') && is_product()) { return $this->getCacheDirectiveFromOption('woocommerce_product'); } elseif (function_exists('is_product_category') && is_product_category()) { return $this->getCacheDirectiveFromOption('woocommerce_category'); } } return $this->getCacheDirectives(false, false, false, false); } protected function mergeHttpHeader($directives) { if (!empty($directives)) { header("Cache-Control: $directives", true); } } public function setCacheHeaders() { if (headers_sent()) { // Headers are already sent; nothing to do here. return; } $header = $this->selectCacheDirective(); $this->mergeHttpHeader($header); } } cache.lib.php 0000604 00000040234 14717775511 0007103 0 ustar 00 <?php /** * Code related to the cache.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * File-based cache library. * * WP_Object_Cache [1] is WordPress' class for caching data which may be * computationally expensive to regenerate, such as the result of complex * database queries. However the object cache is non-persistent. This means that * data stored in the cache resides in memory only and only for the duration of * the request. Cached data will not be stored persistently across page loads * unless of the installation of a 3party persistent caching plugin [2]. * * [1] https://codex.wordpress.org/Class_Reference/WP_Object_Cache * [2] https://codex.wordpress.org/Class_Reference/WP_Object_Cache#Persistent_Caching * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanCache extends SucuriScan { /** * The unique name (or identifier) of the file with the data. * * The file should be located in the same folder where the dynamic data * generated by the plugin is stored, and using the following format [1], it * most be a PHP file because it is expected to have an exit point in the first * line of the file causing it to stop the execution if a unauthorized user * tries to access it directly. * * [1] /public/data/sucuri-DATASTORE.php * * @var string */ private $datastore; /** * The full path of the datastore file. * * @var string */ private $datastore_path; /** * Whether the datastore file is usable or not. * * This variable will only be TRUE if the datastore file specified exists, is * writable and readable, in any other case it will always be FALSE. * * @var bool */ private $usable_datastore; /** * Initializes the cache library. * * @param string $datastore Name of the storage file. * @param bool $auto_create Forces the creation of the storage file. * @return void */ public function __construct($datastore = '', $auto_create = true) { $this->datastore = $datastore; $this->datastore_path = $this->datastoreFilePath($auto_create); $this->usable_datastore = (bool) $this->datastore_path; } /** * Default attributes for every datastore file. * * @return array Default attributes for every datastore file. */ public function datastoreDefaultInfo() { $attrs = array( 'datastore' => $this->datastore, 'created_on' => time(), 'updated_on' => time(), ); return $attrs; } /** * Default content of every datastore file. * * @param array $finfo Rainbow table with the key names and decoded values. * @return string Default content of every datastore file. */ private function datastoreInfo($finfo = array()) { $attrs = $this->datastoreDefaultInfo(); $info_is_available = (bool) isset($finfo['info']); $info = "<?php\n"; foreach ($attrs as $attr_name => $attr_value) { if ($info_is_available && $attr_name != 'updated_on' && isset($finfo['info'][$attr_name]) ) { $attr_value = $finfo['info'][$attr_name]; } $info .= sprintf("// %s=%s;\n", $attr_name, $attr_value); } $info .= "exit(0);\n"; $info .= "?>\n"; return $info; } /** * Check if the datastore file exists, if it's writable and readable by the same * user running the server, in case that it does not exists the method will * tries to create it by itself with the right permissions to use it. * * @param bool $auto_create Create the file is it does not exists. * @return string|bool Absolute path to the storage file, false otherwise. */ private function datastoreFilePath($auto_create = false) { if (!$this->datastore) { return false; } $filename = $this->dataStorePath('sucuri-' . $this->datastore . '.php'); $directory = dirname($filename); /* create directory if necessary */ if (!file_exists($directory)) { @mkdir($directory, 0755, true); } if (!file_exists($filename) && is_writable($directory) && $auto_create) { @file_put_contents($filename, $this->datastoreInfo()); } return $filename; } /** * Check whether a key has a valid name or not. * * WARNING: Instead of using a regular expression to match the format of the * key we will use a primitive string transformation technique to reduce the * execution time, regular expressions are significantly slow. * * @param string $key Unique name for the data. * @return bool True if the key is valid, false otherwise. */ private function validKeyName($key = '') { $result = true; $length = strlen($key); $allowed = array( /* preg_match('/^([0-9a-zA-Z_]+)$/', $key) */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '_', ); for ($i = 0; $i < $length; $i++) { if (!in_array($key[$i], $allowed)) { $result = false; break; } } return $result; } /** * Update the content of the datastore file with the new entries. * * @param array $finfo Rainbow table with the key names and decoded values. * @return bool TRUE if the operation finished successfully, FALSE otherwise. */ private function saveNewEntries($finfo = array()) { if (!$finfo) { return false; } $metadata = $this->datastoreInfo($finfo); if (@file_put_contents($this->datastore_path, $metadata)) { foreach ($finfo['entries'] as $key => $data) { $line = sprintf("%s:%s\n", $key, json_encode($data)); @file_put_contents($this->datastore_path, $line, FILE_APPEND); } } return true; } /** * Retrieve and parse the cache file and generate a hash table with the keys * and decoded data as the values of each entry. Duplicated key names will * be merged automatically. * * @param bool $assoc Force object to array conversion. * @param bool $onlyInfo Returns the cache headers and no content. * @return array Rainbow table with the key names and decoded values. */ private function getDatastoreContent($assoc = false, $onlyInfo = false) { $object = array(); $object['info'] = array(); $object['entries'] = array(); if (($fh = @fopen($this->datastore_path, 'r')) === false) { return $object; } while (($line = fgets($fh)) !== false) { $line = trim($line); if (!$line) { continue; } if (strpos($line, "//\x20") === 0 && strpos($line, '=') !== false && $line[strlen($line) - 1] === ';' ) { $section = substr($line, 3, -1); list($header, $value) = explode('=', $section, 2); $object['info'][$header] = $value; continue; } // skip content if ($onlyInfo) { continue; } if (strpos($line, ':') !== false) { list($keyname, $value) = explode(':', $line, 2); $object['entries'][$keyname] = @json_decode($value, $assoc); } } fclose($fh); return $object; } /** * Retrieve the headers of the datastore file. * * Each datastore file has a list of attributes at the beginning of the it with * information like the creation and last update time. If you are extending the * functionality of these headers please refer to the method that contains the * default attributes and their values [1]. * * [1] SucuriScanCache::datastoreDefaultInfo() * * @return array|bool Default content of every datastore file. */ public function getDatastoreInfo() { $finfo = $this->getDatastoreContent(false, true); if (empty($finfo['info'])) { return false; } $finfo['info']['fpath'] = $this->datastore_path; if (!isset($finfo['info']['created_on'])) { $finfo['info']['created_on'] = time(); } if (!isset($finfo['info']['updated_on'])) { $finfo['info']['updated_on'] = time(); } return $finfo['info']; } /** * Returns the Unix timestamp when the cache was created. * * @return int Unix timestamp when the cache was created. */ public function createdAt() { $info = $this->getDatastoreInfo(); return (int) $info['created_on']; } /** * Returns the Unix timestamp when the cache was updated. * * @return int Unix timestamp when the cache was updated. */ public function updatedAt() { $info = $this->getDatastoreInfo(); return (int) $info['updated_on']; } /** * Get the total number of unique entries in the datastore file. * * @param array $finfo Rainbow table with the key names and decoded values. * @return int Total number of unique entries found in the datastore file. */ public function getCount($finfo = null) { if (!is_array($finfo)) { $finfo = $this->getDatastoreContent(); } return count($finfo['entries']); } /** * Check whether the last update time of the datastore file has surpassed the * lifetime specified for a key name. This method is the only one related with * the caching process, any others besides this are just methods used to handle * the data inside those files. * * @param int $lifetime Life time of the key in the datastore file. * @param array $finfo Rainbow table with the key names and decoded values. * @return bool TRUE if the life time of the data has expired, FALSE otherwise. */ public function dataHasExpired($lifetime = 0, $finfo = null) { if (!is_array($finfo)) { $meta = $this->getDatastoreInfo(); $finfo = array('info' => $meta); } if ($lifetime > 0 && !empty($finfo['info'])) { $diff_time = time() - intval($finfo['info']['updated_on']); if ($diff_time >= $lifetime) { return true; } } return false; } /** * JSON-encode the data and store it in the datastore file identifying it with * the key name, the data will be added to the file even if the key is * duplicated, but when getting the value of the same key later again it will * return only the value of the first occurrence found in the file. * * @param string $key Unique name for the data. * @param mixed $data Data to associate to the key. * @return bool True if the data was cached, false otherwise. */ public function add($key = '', $data = '') { return $this->set($key, $data); } /** * Update the data of all the key names matching the one specified. * * @param string $key Unique name for the data. * @param mixed $data Data to associate to the key. * @return bool True if the cache data was updated, false otherwise. */ public function set($key = '', $data = '') { if (!$this->validKeyName($key)) { return self::throwException(__('Invalid cache key name', 'sucuri-scanner')); } $finfo = $this->getDatastoreInfo(); if (empty($finfo['fpath'])) { return false; } $line = sprintf("%s:%s\n", $key, json_encode($data)); return (bool) @file_put_contents($finfo['fpath'], $line, FILE_APPEND); } /** * Retrieve the first occurrence of the key found in the datastore file. * * @param string $key Unique name for the data. * @param int $lifetime Seconds before the data expires. * @param string $assoc Force data to be converted to an array. * @return mixed Data associated to the key. */ public function get($key = '', $lifetime = 0, $assoc = '') { if (!$this->validKeyName($key)) { return self::throwException(__('Invalid cache key name', 'sucuri-scanner')); } $finfo = $this->getDatastoreContent($assoc === 'array'); if ($this->dataHasExpired($lifetime, $finfo) || !array_key_exists($key, $finfo['entries']) ) { return false; } return @$finfo['entries'][$key]; } /** * Retrieve all the entries found in the datastore file. * * @param int $lifetime Life time of the key in the datastore file. * @param string $assoc Force data to be converted to an array. * @return mixed All the entries stored in the cache file. */ public function getAll($lifetime = 0, $assoc = '') { $finfo = $this->getDatastoreContent($assoc === 'array'); if ($this->dataHasExpired($lifetime, $finfo)) { return false; } return $finfo['entries']; } /** * Check whether a specific key exists in the datastore file. * * @param string $key Unique name for the data. * @return bool True if the data exists, false otherwise. */ public function exists($key = '') { if (!$this->validKeyName($key)) { return self::throwException(__('Invalid cache key name', 'sucuri-scanner')); } $finfo = $this->getDatastoreContent(true); return array_key_exists($key, $finfo['entries']); } /** * Delete any entry from the datastore file matching the key name specified. * * @param string $key Unique name for the data. * @return bool True if the data was deleted, false otherwise. */ public function delete($key = '') { if (!$this->validKeyName($key)) { return self::throwException(__('Invalid cache key name', 'sucuri-scanner')); } $finfo = $this->getDatastoreContent(true); if (!array_key_exists($key, $finfo['entries'])) { return true; } unset($finfo['entries'][$key]); return $this->saveNewEntries($finfo); } /** * Replaces the entire content of the cache file. * * @param array $entries New data for the cache. * @return bool True if the cache was replaced. */ public function override($entries = array()) { return $this->saveNewEntries( array( 'info' => $this->getDatastoreInfo(), 'entries' => $entries, ) ); } /** * Remove all the entries from the datastore file. * * @return bool True, unless the cache file is not writable. */ public function flush() { $filename = 'sucuri-' . $this->datastore . '.php'; return @unlink($this->dataStorePath($filename)); } } cli.lib.php 0000604 00000011461 14717775511 0006607 0 ustar 00 <?php /** * Code related to the cli.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanCLI * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Manage Sucuri API registration. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanCLI extends WP_CLI_Command { /** * Register and connect to the Sucuri API. * * ## OPTIONS * * [<api_key>] * : Sucuri API key to register with. * * ## EXAMPLES * * # New registration * wp sucuri register * API key: 99e656abef7a123d1cffe73f91ba63702 * Success: The API key for your site was successfully generated and saved. * * # Existing key registration * wp sucuri register 99e656abef7a123d1cffe73f91ba63702 * Success: The API key for your site was successfully saved. * * # Registration recovery * wp sucuri register * Warning: We already have an API key created for this site. It has been sent to the email admin@example.com for recovery. * * @param array $args Arguments from the command line interface. * @return void */ public function register($args) { list($api_key) = $args; ob_start(); $registered = $api_key ? SucuriScanAPI::setPluginKey($api_key, true) : SucuriScanAPI::registerSite(); $output = ob_get_clean(); preg_match_all('/<p><b>SUCURI:<\/b>(.+)<\/p>/', $output, $matches); $message = isset($matches[1][0]) ? trim(strip_tags($matches[1][0])) : 'An unknown error occurred during registration.'; if (! $registered) { WP_CLI::error($message); } if ($registered && $api_key) { WP_CLI::success('The API key for your site was successfully saved.'); return; } $api_key = SucuriScanAPI::getPluginKey(); WP_CLI::line("API key: $api_key"); WP_CLI::success($message); } /** * Manage which files are included in Sucuri integrity checks. * * ## OPTIONS * * <action> * : The action to be taken (ignore or unignore). * * <file_path> * : Relative path to a file. * * [--reason=<reason>] * : Why the file should be ignored from integrity checks. * --- * default: added * options: * - added * - modified * - removed * --- * * ## EXAMPLES * * # Ignore a file * wp sucuri integrity ignore wp-admin/install.php --reason=removed * Success: 'wp-admin/install.php' file successfully ignored. * * # Unignore a file * wp sucuri integrity unignore foo.php * Success: 'foo.php' file successfully unignored. * * @param array $args Arguments from the command line interface. * @param array $assoc_args Associative arguments from the command line interface. * @return void */ public function integrity($args, $assoc_args) { list($action, $file_path) = $args; $allowed_actions = array('ignore', 'unignore'); if (! in_array($action, $allowed_actions, true)) { WP_CLI::error("Requested action '{$action}' is not supported."); } $allowed_reasons = array('added', 'modified', 'removed'); $file_status = WP_CLI\Utils\get_flag_value( $assoc_args, 'reason', $default = 'added' ); if (! in_array($file_status, $allowed_reasons, true)) { WP_CLI::error("Specified reason '{$file_status}' is not supported."); } $cache = new SucuriScanCache('integrity'); $cache_key = md5($file_path); if ('ignore' === $action) { $cache->add( $cache_key, array( 'file_path' => $file_path, 'file_status' => $file_status, 'ignored_at' => time(), ) ); WP_CLI::success("'{$file_path}' file successfully ignored."); } if ('unignore' === $action) { $cache->delete($cache_key); WP_CLI::success("'{$file_path}' file successfully unignored."); } } } WP_CLI::add_command('sucuri', 'SucuriScanCLI'); command.lib.php 0000604 00000014305 14717775511 0007456 0 ustar 00 <?php /** * Code related to the command.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Class to process files and folders. * * Here are implemented the methods needed to open, scan, read, create files * and folders using the built-in PHP class SplFileInfo. The SplFileInfo class * offers a high-level object oriented interface to information for an individual * file. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanCommand extends SucuriScan { /** * Check if the system was configured to allow the execution of certain shell * commands. In this specific case, we want to know if the generic exec method * is enabled or not to allow the execution of system programs. * * @return bool True if the exec method is enabled, false otherwise. */ private static function canExecuteCommands() { $disabled = self::iniGet('disable_functions', true); $methods = explode(',', $disabled); return !in_array('exec', $methods); } /** * Checks if an external command exists or not. * * @param string $cmd Name of the external command. * @return bool True if the command exists, false otherwise. */ public static function exists($cmd) { $err = 255; $out = array(); if (self::canExecuteCommands()) { $command = sprintf('command -v %s 1>/dev/null', escapeshellarg($cmd)); @exec($command, $out, $err); /* ignore output and capture errors */ } if ($err !== 0) { return self::throwException('Command ' . $cmd . ' does not exist'); } return true; } /** * Compares two files line by line. * * @param string $a File path of the original file. * @param string $b File path of the modified file. * @return array Line-by-line changes (if any). */ public static function diff($a, $b) { $out = array(); if (self::exists('diff')) { @exec( sprintf( 'diff -u -- %s %s 2> /dev/null', escapeshellarg($a), escapeshellarg($b) ), $out, $err ); } return $out; } /** * Generates the HTML code with the diff output. * * The method takes the relative path of a core WordPress file, then tries * to download a fresh copy of such file from the official WordPress API. If * the download succeeds the method will write the content of this file into * a temporary resource. Then it will use the Unix diff utility to find all * the differences between the original code and the one present in the site. * * If there are differences, the method will write the HTML code to report * them in the dashboard. Some basic CSS classes will be attached to some of * the elements in the code to facilitate the styling of the diff report. * * @param string $filepath Relative path to the core WordPress file. * @return string|bool HTML code with the diff report, false on failure. */ public static function diffHTML($filepath) { $checksums = SucuriScanAPI::getOfficialChecksums(); if (!$checksums) { return SucuriScanInterface::error('Unsupported WordPress version.'); } if (!array_key_exists($filepath, $checksums)) { return SucuriScanInterface::error('Not an official WordPress file.'); } $output = ''; /* initialize empty with no differences */ $a = tempnam(sys_get_temp_dir(), SUCURISCAN . '-integrity-'); $b = tempnam(sys_get_temp_dir(), SUCURISCAN . '-integrity-'); $handle = @fopen($a, 'w'); if ($handle) { @fwrite($handle, SucuriScanAPI::getOriginalCoreFile($filepath)); @copy(ABSPATH . '/' . $filepath, $b); $output = self::diff($a, $b); @fclose($handle); } @unlink($a); /* delete original file */ @unlink($b); /* delete modified file */ if (!is_array($output) || empty($output)) { return SucuriScanInterface::error('There are no differences.'); } $response = "<ul class='" . SUCURISCAN . "-diff-content'>\n"; foreach ($output as $key => $line) { $number = $key + 1; /* line number */ $cssclass = SUCURISCAN . '-diff-line'; $cssclass .= "\x20" . SUCURISCAN . '-diff-line' . $number; if ($number === 1) { $line = sprintf('--- %s (ORIGINAL)', $filepath); $cssclass .= "\x20" . SUCURISCAN . '-diff-header'; } elseif ($number === 2) { $line = sprintf('+++ %s (MODIFIED)', $filepath); $cssclass .= "\x20" . SUCURISCAN . '-diff-header'; } elseif ($number === 3) { $cssclass .= "\x20" . SUCURISCAN . '-diff-header'; } elseif ($line === '') { /* do not touch empty lines */ } elseif ($line[0] === '-') { $cssclass .= "\x20" . SUCURISCAN . '-diff-minus'; } elseif ($line[0] === '+') { $cssclass .= "\x20" . SUCURISCAN . '-diff-plus'; } $response .= sprintf( "<li class='%s'>%s</li>\n", $cssclass, /* include external CSS styling */ SucuriScan::escape($line) /* clean user input */ ); } $response .= "</ul>\n"; return $response; } } cron.lib.php 0000604 00000003470 14717775511 0007002 0 ustar 00 <?php /** * Code related to the cron.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Northon Torga <northon.torga@sucuri.net> * @copyright 2010-2019 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Class to process Sucuri custom cronjobs. * * Here are implemented the cronjob methods used by the plugin. * * Remember: methods must be static and their name must match the cron hook. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Northon Torga <northon.torga@sucuri.net> * @copyright 2010-2019 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanCrons extends SucuriScan { /** * Update secret keys. */ public static function sucuriscan_autoseckeyupdater() { $wpconfig_process = SucuriScanEvent::setNewConfigKeys(); if (!$wpconfig_process) { SucuriScanEvent::reportNoticeEvent(__('Automatic update of security keys failed. WordPress configuration file was not found or new keys could not be created.', 'sucuri-scanner')); } elseif ($wpconfig_process['updated']) { SucuriScanEvent::reportNoticeEvent(__('Automatic update of security keys succeeded.', 'sucuri-scanner')); } else { SucuriScanEvent::reportNoticeEvent(__('Automatic update of security keys failed. Something went wrong!', 'sucuri-scanner')); } } } event.lib.php 0000604 00000077651 14717775511 0007176 0 ustar 00 <?php /** * Code related to the event.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * System events, reports and actions. * * An event is an action or occurrence detected by the program that may be * handled by the program. Typically events are handled synchronously with the * program flow, that is, the program has one or more dedicated places where * events are handled, frequently an event loop. Typical sources of events * include the user; another source is a hardware device such as a timer. Any * program can trigger its own custom set of events as well, e.g. to communicate * the completion of a task. A computer program that changes its behavior in * response to events is said to be event-driven, often with the goal of being * interactive. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanEvent extends SucuriScan { /** * Creates a cronjob to run the file system scanner. * * Right after a fresh installation of the plugin, it will create a cronjob * that will execute the first scan in the next five minutes. This scan will * set the base-line for the file monitor through the API service. When a new * scan is execute the API will compare the checksum from the previous file * list with the checksum of the new file list, if there are differences we * will assume that someone or something modified one or more files and send * an email alsert about the incident. * * @return void */ public static function installScheduledTask() { $task_name = 'sucuriscan_scheduled_scan'; if (!wp_next_scheduled($task_name)) { wp_schedule_event(time() + 10, 'daily', $task_name); } } /** * Returns a list of available cronjob frequencies. * * This method will return not only the default WordPress cronjob frequencies * but also the custom ones defined by 3rd-party plugins or themes. It will * also add an additional option to allow the website owners to disable the * schedule tasks from the settings page. * * @see https://developer.wordpress.org/reference/functions/wp_get_schedules/ * * @return array List of available cronjob frequencies. */ public static function availableSchedules() { $schedules = array(); $jobs = wp_get_schedules(); foreach ($jobs as $unique => $info) { $schedules[$unique] = sprintf( __('%s (every %d seconds)', 'sucuri-scanner'), $info['display'], $info['interval'] ); } $schedules['_oneoff'] = __('Never (no execution)', 'sucuri-scanner'); return $schedules; } /** * Returns a list of active cronjobs. * * This method will return not only the default WordPress cronjobs but also * the custom ones defined by 3rd-party plugins or themes. * * @see https://developer.wordpress.org/reference/functions/_get_cron_array/ * * @return array List of available cronjobs. */ public static function activeSchedules() { $activeCrons = array(); foreach ((array) _get_cron_array() as $timestamp => $cronhooks) { foreach ((array) $cronhooks as $hook => $events) { foreach ((array) $events as $key => $event) { if (empty($event['args'])) { $event['args'] = array('[]'); } $activeCrons[$hook] = array( 'schedule' => $event['schedule'], 'nextTime' => SucuriScan::datetime($timestamp), 'nextTimeHuman' => SucuriScan::humanTime($timestamp), 'arguments' => json_encode($event['args']), ); } } } return $activeCrons; } /** * Creates the cronjob weekly, monthly and quarterly frequencies. * * A few Sucuri services require additional cronjob frequencies that are not * available on WordPress by default. This function will add these schedules * frequency if they were not yet register by any a 3rd party extension. * * @return void */ public static function additionalSchedulesFrequencies($schedules) { if (!defined('MONTH_IN_SECONDS')) { define('MONTH_IN_SECONDS', 30 * DAY_IN_SECONDS); } if (!isset($schedules['weekly'])) { $schedules['weekly'] = array( 'display' => __('Weekly', 'sucuriscan'), 'interval' => WEEK_IN_SECONDS, ); } if (!isset($schedules['monthly'])) { $schedules['monthly'] = array( 'display' => __('Monthly', 'sucuriscan'), 'interval' => MONTH_IN_SECONDS, ); } if (!isset($schedules['quarterly'])) { $schedules['quarterly'] = array( 'display' => __('Quarterly', 'sucuriscan'), 'interval' => 3 * MONTH_IN_SECONDS, ); } return $schedules; } /** * Creates a cronjob. * * @return bool True if the cronjob is correctly created. */ public static function addScheduledTask($hookName, $frequency) { // Return false if schedule frequency does not exist. if (!in_array($frequency, array_keys(self::availableSchedules()))) { return false; } // Remove cron first if already exists. if (wp_next_scheduled($hookName)) { self::deleteScheduledTask($hookName); } // Add cron job hook. wp_schedule_event(time() + 10, $frequency, $hookName); return true; } /** * Deletes a cronjob. * * @return bool True if the cronjob is correctly removed. */ public static function deleteScheduledTask($hookName) { // Return false if task does not exist. if (!wp_next_scheduled($hookName)) { return false; } // Remove cron job hook. wp_clear_scheduled_hook($hookName); return true; } /** * Reports the WordPress version number to the API. * * @return bool True if the version number was reported, false otherwise. */ public static function reportSiteVersion() { if (!SucuriScanAPI::getPluginKey()) { return self::throwException(__('API key is not available', 'sucuri-scanner')); } $wp_version = self::siteVersion(); $reported_version = SucuriScanOption::getOption(':site_version'); /* use simple comparison to leverage casting */ if ($reported_version == $wp_version) { return self::throwException(__('WordPress version was already reported', 'sucuri-scanner')); } SucuriScanEvent::reportInfoEvent(sprintf(__('WordPress version detected %s', 'sucuri-scanner'), $wp_version)); return SucuriScanOption::updateOption(':site_version', $wp_version); } /** * Decides if the file system scanner can run or not. * * @param bool $force_scan Force the execution of the scanner. * @return bool True if the scanner can run, false otherwise. */ private static function runFileScanner($force_scan = false) { if ($force_scan) { return SucuriScanOption::updateOption(':runtime', time()); } $current_time = time(); $runtime = (int) SucuriScanOption::getOption(':runtime'); $diff = abs($current_time - $runtime); if ($diff < SUCURISCAN_SCANNER_FREQUENCY) { return false; } return SucuriScanOption::updateOption(':runtime', $current_time); } /** * Gather all the checksums (aka. file hashes) of this site, send them, and * analyze them using the Sucuri Monitoring service, this will generate the * audit logs for this site and be part of the integrity checks. * * @param bool $force_scan Whether the filesystem scan was forced by an administrator user or not. * @return bool True if the filesystem scan was successful, false otherwise. */ public static function filesystemScan($force_scan = false) { if (!SucuriScanAPI::getPluginKey()) { return self::throwException(__('API key is not available', 'sucuri-scanner')); } if (!self::runFileScanner($force_scan)) { return self::throwException(__('Scanner ran a couple of minutes ago', 'sucuri-scanner')); } $fifo = new SucuriScanFileInfo(); $signatures = $fifo->getDirectoryTreeMd5(ABSPATH); SucuriScanOption::updateOption(':runtime', time()); return SucuriScanAPI::sendHashes($signatures); } /** * Sends information of a security event to the API. * * If the website owner has enabled the security log exporter, this method * will also write the information about the security event to that file. * This allows to integrate with different monitoring systems like OSSEC or * OpenVAS. * * If the communication with the API is enabled, it will also send all the * security logs collected on previous executions of the method that resulted * in a failure. However, this procedure depends on the ability of the plugin * to write the log into the queue when the previous request failed. * * @param string $message Information about the event. * @param string|int $timestamp Time when the event was triggered. * @param int $timeout Maximum time in seconds to connect to the API. * @return bool True if the event was logged, false otherwise. */ private static function sendLogToAPI($message = '', $timestamp = '', $timeout = 1) { if (empty($message)) { return self::throwException(__('Event identifier cannot be empty', 'sucuri-scanner')); } $params = array(); $params['a'] = 'send_log'; $params['m'] = $message; $params['time'] = $timestamp; $args = array('timeout' => $timeout); $resp = SucuriScanAPI::apiCallWordpress('POST', $params, true, $args); return (bool) ( is_array($resp) && array_key_exists('status', $resp) && intval($resp['status']) === 1 ); } /** * Sends the event message to a local queue system. * * Note: The method is public to facilitate the execution of some unit-tests * but it could be private and be mocked by the test bootstrap script. Take * this in consideration during the static analysis of the code. * * @param string $message Information about the security event. * @return bool True if the operation succeeded, false otherwise. */ public static function sendLogToQueue($message = '') { /* create storage directory if necessary */ SucuriScanInterface::createStorageFolder(); /** * Self-hosted Monitor. * * Send a copy of the event log to a local file, this will allow the * administrator of the server to integrate the events monitored by the * plugin with a 3rd-party service like OSSEC or similar. More info in * the Self-Hosting panel located in the plugin' settings page. */ if (function_exists('sucuriscan_selfhosting_fpath')) { $monitor_fpath = sucuriscan_selfhosting_fpath(); if ($monitor_fpath !== false) { $local_event = sprintf( "%s WordPressAudit %s %s : %s\n", SucuriScan::datetime(null, 'Y-m-d H:i:s'), SucuriScan::getTopLevelDomain(), SucuriScanOption::getOption(':account'), $message ); @file_put_contents( $monitor_fpath, $local_event, FILE_APPEND ); } } $cache = new SucuriScanCache('auditqueue'); $key = str_replace('.', '_', microtime(true)); $written = $cache->add($key, $message); return true; } /** * Sends all the events from the queue to the API. * * @return array|bool Information about the dequeue process. */ public static function sendLogsFromQueue() { if (SucuriScanOption::isDisabled(':api_service') || !defined('SUCURISCAN_API_URL') || empty(SUCURISCAN_API_URL)) { return false; } $cache = new SucuriScanCache('auditqueue'); $finfo = $cache->getDatastoreInfo(); $events = $cache->getAll(); if (!$events) { return false; } $result = array( 'maxtime' => -1, 'ttllogs' => 0, 'success' => 0, 'failure' => 0, 'elapsed' => 0, ); /** * Send logs to the API with a limit. * * We will use the maximum execution time setting to limit the number of * logs that the plugin will try to send to the API service before the * server times out. In a regular installation, the limit is set to 30 * seconds, since the timeout for the HTTP request is 5 seconds we will * instruct the plugin to wait (30 secs - 5 secs) and an additional one * second to spare processing, so in a regular installation the plugin * will try to send as much logs as possible to the API service in less * than 25 seconds. */ $maxtime = (int) SucuriScan::iniGet('max_execution_time'); $timeout = ($maxtime > 1) ? ($maxtime - 6) : 30; /* record some statistics */ $startTime = microtime(true); $result['maxtime'] = $maxtime; $result['ttllogs'] = count($events); foreach ($events as $keyname => $message) { $offset = strpos($keyname, '_'); $timestamp = substr($keyname, 0, $offset); $status = self::sendLogToAPI($message, $timestamp); /* skip; API is busy */ if ($status !== true) { $result['failure']++; continue; } /* dequeue event message */ unset($events[$keyname]); $result['success']++; /* avoid gateway timeout; max execution time */ $elapsedTime = (microtime(true) - $startTime); if ($elapsedTime >= $timeout) { break; } } $result['elapsed'] = round(microtime(true) - $startTime, 4); $cache->override($events); return $result; } /** * Generates an audit event log (to be sent later). * * @param int $severity Importance of the event that will be reported. * @param string $message The explanation of the event. * @return bool True if the event was logged, false otherwise. */ private static function reportEvent($severity = 0, $message = '') { if (!function_exists('wp_get_current_user')) { return; } $user = wp_get_current_user(); $remote_ip = self::getRemoteAddr(); $username = false; // Identify current user in session. if ($user instanceof WP_User && isset($user->user_login) && !empty($user->user_login) ) { $username = sprintf("\x20%s,", $user->user_login); } $severity = intval($severity); $severity_name = __('Info', 'sucuri-scanner'); $severities = array( /* 0 */ __('Debug', 'sucuri-scanner'), /* 1 */ __('Notice', 'sucuri-scanner'), /* 2 */ __('Info', 'sucuri-scanner'), /* 3 */ __('Warning', 'sucuri-scanner'), /* 4 */ __('Error', 'sucuri-scanner'), /* 5 */ __('Critical', 'sucuri-scanner'), ); if (isset($severities[$severity])) { $severity_name = $severities[$severity]; } /* remove unnecessary characters */ $message = strip_tags($message); $message = str_replace("\r", '', $message); $message = str_replace("\n", '', $message); $message = str_replace("\t", '', $message); return self::sendLogToQueue( sprintf( '%s:%s %s; %s', $severity_name, $username, $remote_ip, $message ) ); } /** * Reports a debug event on the website. * * @param string $message Text witht the explanation of the event or action performed. * @return bool Either true or false depending on the success of the operation. */ public static function reportDebugEvent($message = '') { return self::reportEvent(0, $message); } /** * Reports a notice event on the website. * * @param string $message Text witht the explanation of the event or action performed. * @return bool Either true or false depending on the success of the operation. */ public static function reportNoticeEvent($message = '') { return self::reportEvent(1, $message); } /** * Reports a info event on the website. * * @param string $message Text witht the explanation of the event or action performed. * @return bool Either true or false depending on the success of the operation. */ public static function reportInfoEvent($message = '') { return self::reportEvent(2, $message); } /** * Reports a warning event on the website. * * @param string $message Text witht the explanation of the event or action performed. * @return bool Either true or false depending on the success of the operation. */ public static function reportWarningEvent($message = '') { return self::reportEvent(3, $message); } /** * Reports a error event on the website. * * @param string $message Text witht the explanation of the event or action performed. * @return bool Either true or false depending on the success of the operation. */ public static function reportErrorEvent($message = '') { return self::reportEvent(4, $message); } /** * Reports a critical event on the website. * * @param string $message Text witht the explanation of the event or action performed. * @return bool Either true or false depending on the success of the operation. */ public static function reportCriticalEvent($message = '') { return self::reportEvent(5, $message); } /** * Send a notification to the administrator of the specified events, only if * the administrator accepted to receive alerts for this type of events. * * @param string $event The name of the event that was triggered. * @param string $content Body of the email that will be sent to the administrator. * @return bool True if the email was apparently sent, false otherwise. */ public static function notifyEvent($event = '', $content = '') { $email_params = array(); $email = SucuriScanOption::getOption(':notify_to'); $notify = SucuriScanOption::getOption(':notify_' . $event); /** * Skip if the IP address is trusted. * * Ignore event if the website owner has the IP address of the current * user in session in the allowlist. This is useful if the administrator is * working in an office and they want to allow every person in the office * (aka. the same LAN) to execute any task without triggering a security * alert. */ if (self::isTrustedIP()) { $notify = 'disabled'; } /* skip if alerts for this event are disabled */ if ($notify !== 'enabled') { return false; } switch ($event) { case 'post_publication': $event = 'post_update'; break; case 'failed_login': $settings_url = SucuriScanTemplate::getUrl('settings'); $content .= "\n" . sprintf( __("<br><br>\n\n<em>Explanation: Someone failed to login to your site. If you are getting too many of these messages, it is likely your site is under a password guessing brute-force attack [1]. You can disable the failed login alerts from here [2]. Alternatively, you can consider to install a firewall between your website and your visitors to filter out these and other attacks, take a look at Sucuri Firewall [3].</em><br><br>\n\n[1] <a href='https://kb.sucuri.net/definitions/attacks/brute-force/password-guessing'>https://kb.sucuri.net/definitions/attacks/brute-force/password-guessing</a><br>\n[2] <a href='%s'>%s</a> <br>\n[3] <a href='https://sucuri.net/website-firewall/?wpalert'>https://sucuri.net/website-firewall/</a><br>\n", 'sucuri-scanner'), $settings_url, $settings_url ); break; case 'bruteforce_attack': $email_params['Force'] = true; break; case 'scan_checksums': $event = 'core_integrity_checks'; $email_params['Force'] = true; $email_params['ForceHTML'] = true; break; case 'available_updates': $email_params['Force'] = true; $email_params['ForceHTML'] = true; } $title = ucwords(str_replace('_', "\x20", $event)); return SucuriScanMail::sendMail( $email, $title, $content, $email_params ); } /** * Check whether an IP address is being trusted or not. * * @param string $addr The supposed ip address that will be checked. * @return bool True if the user IP is trusted, false otherwise. */ public static function isTrustedIP($addr = '') { if (!$addr) { $addr = SucuriScan::getRemoteAddr(); } $cache = new SucuriScanCache('trustip', false); $trusted_ips = $cache->getAll(); if (!is_array($trusted_ips) || empty($trusted_ips)) { return false; } /* check if exact IP address match is in the allowlist */ if (array_key_exists(md5($addr), $trusted_ips)) { return true; } $is_trusted_ip = false; /* check if the CIDR in range 32 of this IP is trusted. */ foreach ($trusted_ips as $cache_key => $ip_info) { $ip_parts = explode('.', $ip_info->remote_addr); $ip_pattern = false; // Generate the regular expression for a specific CIDR range. switch ($ip_info->cidr_range) { case 24: $ip_pattern = sprintf( '/^%d\.%d\.%d\.[0-9]{1,3}$/', intval($ip_parts[0]), intval($ip_parts[1]), intval($ip_parts[2]) ); break; case 16: $ip_pattern = sprintf( '/^%d\.%d\.[0-9]{1,3}\.[0-9]{1,3}$/', intval($ip_parts[0]), intval($ip_parts[1]) ); break; case 8: $ip_pattern = sprintf( '/^%d\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/', intval($ip_parts[0]) ); break; } if ($ip_pattern && preg_match($ip_pattern, $addr)) { $is_trusted_ip = true; break; } } return $is_trusted_ip; } /** * Generate and set a new password for a specific user not in session. * * @param int $user_id User account identifier. * @return bool True if the process exit clean, false otherwise. */ public static function setNewPassword($user_id = 0) { $user = get_userdata($user_id); if (!($user instanceof WP_User)) { return false; } /* invalidates the password for the given user */ $new_password = wp_generate_password(15, true, false); wp_set_password($new_password, $user_id); $website = SucuriScan::getDomain(); $user_login = $user->user_login; $display_name = $user->display_name; $key = self::GetPasswordResetKey($user); if (is_wp_error($key)) { return false; } $reset_password_url = network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user_login), 'https' ); $message = SucuriScanTemplate::getSection( 'settings-posthack-reset-password-alert', array( 'ResetPassword.UserName' => $user_login, 'ResetPassword.DisplayName' => $display_name, 'ResetPassword.ResetURL' => $reset_password_url, 'ResetPassword.Website' => $website, ) ); /* Skip per hour alert limit and force text/html content-type */ $data_set = array('Force' => true, 'ForceHTML' => true); $sent = SucuriScanMail::sendMail( $user->user_email, __('Password Change', 'sucuri-scanner'), $message, $data_set ); return true; } /** * Gets a new password reset key. * * @since 1.8.25 * * @param WP_User $user WP_User object. * @return string|WP_Error Returns a password reset key as a string, WP_Error otherwise. */ private static function GetPasswordResetKey($user) { global $wp_hasher; $key_error = new WP_Error('no_password_reset'); if (!($user instanceof WP_User)) { return $key_error; } /** * As of version 1.8.25 of this plugin, we still support WordPress version 3.6 and up * and for that reason we can't take advantage of the native function get_password_reset_key * (https://developer.wordpress.org/reference/functions/get_password_reset_key/), introduced in * WordPress 4.4. * * When we drop support for versions prior to WordPress 4.4, we can use get_password_reset_key * instead of this function. */ if (version_compare(SucuriScan::siteVersion(), '4.4', '>=') && function_exists('get_password_reset_key') ) { $key = get_password_reset_key($user); return $key; } if (is_multisite() && is_user_spammy($user)) { return $key_error; } // Generate something random for a password reset key. $key = wp_generate_password(20, false); if (empty($wp_hasher)) { require_once ABSPATH . WPINC . '/class-phpass.php'; $wp_hasher = PasswordHash(8, true); } $hashed = time() . ':' . $wp_hasher->HashPassword($key); $key_saved = wp_update_user( array( 'ID' => $user->ID, 'user_activation_key' => $hashed, ) ); if (is_wp_error($key_saved)) { return $key_saved; } return $key; } /** * Changes the WordPress secret keys. * * Modify the WordPress configuration file to define new secret keys from a * new randomly generated list of strings from the official WordPress API. * The result of the operation will be either False in case of error, or an * array containing multiple indexes explaining the modification, among them * you will find the old and new keys. * * @return array|bool Array with the old and new keys, false otherwise. */ public static function setNewConfigKeys() { $new_wpconfig = ''; $config_path = self::getConfigPath(); if (!$config_path) { return false; } $pattern = self::secretKeyPattern(); $define_tpl = "define('%s',%s'%s');"; $content = SucuriScanFileInfo::fileContent($config_path); $config_lines = explode("\n", $content); /* maintain new lines */ $new_keys = SucuriScanAPI::getNewSecretKeys(); if (!$new_keys) { return false; } $new_keys_string = ''; $old_keys_string = ''; $old_keys = array(); if ($config_lines && $new_keys) { foreach ($config_lines as $config_line) { if (@preg_match($pattern, $config_line, $match)) { $key_name = $match[1]; if (array_key_exists($key_name, $new_keys)) { $white_spaces = $match[2]; $old_keys[$key_name] = $match[3]; $config_line = sprintf( $define_tpl, $key_name, $white_spaces, $new_keys[$key_name] ); $old_keys_string .= sprintf( $define_tpl . "\n", $key_name, $white_spaces, $old_keys[$key_name] ); $new_keys_string .= $config_line . "\n"; } } $new_wpconfig .= $config_line . "\n"; } } $resp = array( 'updated' => is_writable($config_path), 'old_keys' => $old_keys, 'old_keys_string' => $old_keys_string, 'new_keys' => $new_keys, 'new_keys_string' => $new_keys_string, 'new_wpconfig' => $new_wpconfig, ); if ($resp['updated']) { @file_put_contents($config_path, $new_wpconfig, LOCK_EX); } return $resp; } /** * Clear last logins or failed login logs. * * This can also be done via Sucuri Security -> Settings -> Data Storage, * however to improve the user experience, a button on Last Logins and on * Failed logins sections was added and it triggers the removal of * sucuri/sucuri-lastlogins.php and sucuri/sucuri-failedlogins.php. * * @param string $filename Name of the file to be deleted. * * @return HTML Message with the delete action outcome. */ public static function clearLastLogs($filename) { // Get the complete path of the file. $filepath = SucuriScan::dataStorePath($filename); // Do not proceed if not possible. if (!is_writable(dirname($filepath)) || is_dir($filepath)) { return SucuriScanInterface::error( sprintf( __('%s cannot be deleted.', 'sucuri-scanner'), $filename ) ); } // Delete $filepath. @unlink($filepath); // Register on audit logs and return result. SucuriScanEvent::reportInfoEvent( sprintf( __('%s was deleted.', 'sucuri-scanner'), $filename ) ); return SucuriScanInterface::info( sprintf( __('%s was deleted.', 'sucuri-scanner'), $filename ) ); } } fileinfo.lib.php 0000604 00000035751 14717775511 0007643 0 ustar 00 <?php /** * Code related to the fileinfo.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Class to process files and folders. * * Here are implemented the methods needed to open, scan, read, create files * and folders using the built-in PHP class SplFileInfo. The SplFileInfo class * offers a high-level object oriented interface to information for an individual * file. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanFileInfo extends SucuriScan { /** * Whether the list of files that can be ignored from the filesystem scan will * be used to return the directory tree, this should be disabled when scanning a * directory without the need to filter the items in the list. * * @var bool */ public $ignore_files; /** * Whether the list of folders that can be ignored from the filesystem scan will * be used to return the directory tree, this should be disabled when scanning a * path without the need to filter the items in the list. * * @var bool */ public $ignore_directories; /** * A list of ignored directory paths, these folders will be skipped during the * execution of the file system scans, and any sub-directory or files inside * these paths will be ignored too. * * @see SucuriScanFSScanner.getIgnoredDirectories() * @var array */ private $ignored_directories; /** * Whether the filesystem scanner should run recursively or not. * * @var bool */ public $run_recursively; /** * Whether the directory paths must be skipped or not. * * This is useful to retrieve the full list of resources inside a parent * directory, one case where this option can be set as True is when a folder is * required to be deleted recursively, considering that by default the folders * are ignored and that a folder may be empty some times there could be issues * because the deletion will not reach these resources. * * @var bool */ public $skip_directories; /** * Class constructor. */ public function __construct() { $this->ignore_files = true; $this->ignore_directories = true; $this->ignored_directories = array(); $this->skip_directories = true; $this->run_recursively = true; } /** * Checks if the file scanner is usable. * * @link https://www.php.net/manual/en/class.splfileobject.php * * @return bool True if PHP class "SplFileObject" is available. */ public static function isSplAvailable() { return (bool) ( class_exists('SplFileObject') && class_exists('FilesystemIterator') && class_exists('RecursiveIteratorIterator') && class_exists('RecursiveDirectoryIterator') ); } /** * Ignores a file if the extension is not supported. * * Note: This is an approach that is intentionally naive. * * @param string $path Path to the file. * @return True if the file must be ignored. */ private function ignoreFile($path) { return (bool) ( $this->ignore_files && strpos($path, '.js') === false && strpos($path, '.css') === false && strpos($path, '.txt') === false && strpos($path, '.htm') === false && strpos($path, '.php') === false && strpos($path, '.ini') === false && strpos($path, '.htaccess') === false ); } /** * Ignores a folder if the extension is not supported. * * Note: This is an approach that is intentionally naive. * * @param string $path Path to the folder. * @return True if the folder must be ignored. */ private function ignoreFolder($path) { $content = basename(WP_CONTENT_DIR); return (bool) ($this->ignore_directories && ( strpos($path, '/.hg') !== false || strpos($path, '/.git') !== false || strpos($path, '/.svn') !== false || strpos($path, $content . '/backup') !== false || strpos($path, $content . '/cache') !== false || strpos($path, $content . '/uploads') !== false || strpos($path, $content . '/w3tc') !== false )); } /** * Ignores files specified by the admins. * * @param string $path Path to the file or directory. * @return bool True if the path has to be ignored. */ private function isIgnoredPath($path) { $shouldBeIgnored = false; if (is_array($this->ignored_directories) && isset($this->ignored_directories['directories']) && !empty($this->ignored_directories['directories']) ) { foreach ($this->ignored_directories['directories'] as $ignored) { if (strpos($path, $ignored) !== false) { $shouldBeIgnored = true; break; } } } return $shouldBeIgnored; } /** * Reads a directory and retrieves all its files. * * @see http://www.php.net/manual/en/class.recursivedirectoryiterator.php * @see http://php.net/manual/en/class.recursivedirectoryiterator.php * @see http://php.net/manual/en/class.filesystemiterator.php * @see http://php.net/manual/en/class.directoryiterator.php * @see http://php.net/manual/en/class.splfileinfo.php * * @param string $directory Where to execute the scanner. * @param string $filterby Either "file" or "directory". * @return array List of files in the specified directory. */ public function getDirectoryTree($directory = '', $filterby = 'file') { $files = array(); if (is_dir($directory) && self::isSplAvailable()) { $objects = array(); $this->ignored_directories = SucuriScanFSScanner::getIgnoredDirectories(); // @codeCoverageIgnoreStart try { if ($this->run_recursively) { $flags = FilesystemIterator::KEY_AS_PATHNAME; $flags |= FilesystemIterator::CURRENT_AS_FILEINFO; $flags |= FilesystemIterator::SKIP_DOTS; $flags |= FilesystemIterator::UNIX_PATHS; $objects = new RecursiveIteratorIterator( new RecursiveDirectoryIterator($directory, $flags), RecursiveIteratorIterator::SELF_FIRST, RecursiveIteratorIterator::CATCH_GET_CHILD ); } else { $objects = new DirectoryIterator($directory); } } catch (RuntimeException $exception) { /* ignore failure */ } // @codeCoverageIgnoreEnd foreach ($objects as $fifo) { $filepath = $fifo->getRealPath(); /* check files and directories */ if ($this->isIgnoredPath($filepath)) { continue; } try { /* check only files */ if ($fifo->isFile() && $filterby === 'file' && !$this->ignoreFile($filepath) && !$this->ignoreFolder($filepath) ) { $files[] = $filepath; continue; } /* check only directories */ if ($fifo->isDir() && $filterby === 'directory' && !$this->ignoreFolder($filepath) ) { $files[] = $filepath; continue; } } catch (RuntimeException $e) { SucuriScanEvent::reportCriticalEvent($e->getMessage()); } } sort($files); } return array_map(array('SucuriScan', 'fixPath'), $files); } /** * Retrieve a long text string with signatures of all the files contained * in the main and subdirectories of the folder specified, also the filesize * and md5sum of that file. Some folders and files will be ignored depending * on some rules defined by the developer. * * @param string $directory Where to execute the scanner. * @param bool $as_array Return the file list as an array. * @return array|string|bool List of files in this project. */ public function getDirectoryTreeMd5($directory = '', $as_array = false) { $signatures = ''; $abspath = self::fixPath(ABSPATH); $files = $this->getDirectoryTree($directory); if ($as_array) { $signatures = array(); } if (!$files) { return self::throwException(__('No files were found', 'sucuri-scanner')); } sort($files); /* sort file list alphabetically */ foreach ($files as $filepath) { /* silence errors when file is not readable */ $file_checksum = @md5_file($filepath); $filesize = @filesize($filepath); if ($as_array) { $basename = $filepath; if (strlen($abspath . '/') > 1) { /* convert absolute path into relative path */ $basename = str_replace($abspath . '/', '', $filepath); } $signatures[$basename] = array( 'filepath' => $filepath, 'checksum' => $file_checksum, 'filesize' => $filesize, 'created_at' => @filectime($filepath), 'modified_at' => @filemtime($filepath), ); } else { $filepath = str_replace($abspath, $abspath . '/', $filepath); $signatures .= $file_checksum . $filesize . "\x20" . $filepath . "\n"; } } return $signatures; } /** * Retrieves a list of unique directory paths. * * @param string $directory Directory path to scan. * @return array A list of unique directory paths. */ public function getDirectoriesOnly($directory = '') { $tree = $this->getDirectoryTree($directory, 'directory'); return array_merge(array($directory), $tree); } /** * Deletes a directory recursively. * * @param string $directory Path of the existing directory that will be removed. * @return bool TRUE if all the files and folder inside the directory were removed. */ public function removeDirectoryTree($directory = '') { $directory = realpath($directory); if (!is_dir($directory)) { return self::throwException(__('Directory does not exists', 'sucuri-scanner')); } if ($directory === WP_CONTENT_DIR) { return self::throwException(__('Cannot delete content directory', 'sucuri-scanner')); } $upload_dir = wp_upload_dir(); if ($directory === $upload_dir['basedir']) { return self::throwException(__('Cannot delete uploads directory', 'sucuri-scanner')); } /* force complete scan */ $this->ignore_files = false; $this->skip_directories = false; $this->ignore_directories = false; /* delete all the regular files and symbolic links */ $dir_tree = $this->getDirectoryTree($directory, 'file'); if (is_array($dir_tree) && !empty($dir_tree)) { foreach ($dir_tree as $filename) { if (is_file($filename) || is_link($filename)) { @unlink($filename); } } } /* delete directories starting from the deepest level */ $dir_tree = $this->getDirectoryTree($directory, 'directory'); if (is_array($dir_tree) && !empty($dir_tree)) { $dir_tree = array_unique($dir_tree); usort($dir_tree, array('SucuriScanFileInfo', 'sortByLength')); foreach ($dir_tree as $dir_path) { @rmdir($dir_path); } } @rmdir($directory); /* attempt to delete parent */ /* check if we deleted all the files and sub-directories */ return (bool) !($this->getDirectoryTree($directory)); } /** * Evaluates the difference between the length of two strings. * * @param string $a First string of characters that will be measured. * @param string $b Second string of characters that will be measured. * @return int The difference in length between the two strings. */ public static function sortByLength($a, $b) { return strlen($b) - strlen($a); } /** * Returns the content of a file. * * If the file does not exists or is not readable the method will return * false. Make sure that you double check this with a condition using triple * equals in order to avoid ambiguous results when the file exists, is * readable, but is empty. * * @param string $path Relative or absolute path of the file. * @return string Content of the file, false if not accessible. */ public static function fileContent($path = '') { return (string) (is_readable($path) ? @file_get_contents($path) : ''); } /** * Returns the lines of a file as an array, it will automatically remove the * new line characters from the end of each line, and skip empty lines from * the list. * * @param string $filepath Path to the file. * @return array An array where each element is a line in the file. */ public static function fileLines($filepath = '') { return @file($filepath, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); } /** * Tells whether the filename is a directory, symbolic link, or file. * * @param string $path Path to the file. * @return string Type of resource: dir, link, file. */ public static function getResourceType($path = '') { if (is_dir($path)) { return 'dir'; } if (is_link($path)) { return 'link'; } if (is_file($path)) { return 'file'; } return 'unknown'; } } firewall.lib.php 0000604 00000063372 14717775511 0007655 0 ustar 00 <?php /** * Code related to the firewall.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Defines methods to interact with Sucuri Firewall's API service. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanFirewall extends SucuriScanAPI { /** * Check whether the firewall API key is valid or not. * * @param string $api_key The firewall API key. * @param bool $return_match Whether the parts of the API key must be returned or not. * @return array|bool True if the API key specified is valid, false otherwise. */ public static function isValidKey($api_key = '', $return_match = false) { $pattern = '/^([a-z0-9]{32})\/([a-z0-9]{32})$/'; if ($api_key && preg_match($pattern, $api_key, $match)) { return $return_match ? $match : true; } return false; } /** * Check and return the API key for the plugin. * * In this plugin the key is a pair of two strings concatenated by a single * slash, the first part of it is in fact the key and the second part is the * unique identifier of the site in the remote server. * * @return array|bool false if the key is invalid or not present, an array otherwise. */ public static function getKey() { $option_name = ':cloudproxy_apikey'; $api_key = self::getOption($option_name); // Check the validity of the API key. $match = self::isValidKey($api_key, true); if ($match) { return array( 'string' => $match[1].'/'.$match[2], 'k' => $match[1], 's' => $match[2], ); } return false; } /** * Call an action from the remote API interface of our firewall service. * * @param string $method HTTP method that will be used to send the request. * @param array $params HTTP request parameters (key-value array). * @return array|bool HTTP response object. */ public static function apiCallFirewall($method = 'GET', $params = array()) { $send_request = (bool) (isset($params['k']) && isset($params['s'])); if (!$send_request) { $api_key = self::getKey(); if ($api_key) { $send_request = true; $params['k'] = $api_key['k']; $params['s'] = $api_key['s']; } } if ($send_request) { unset($params['string']); $params[SUCURISCAN_CLOUDPROXY_API_VERSION] = 1; return self::apiCall(SUCURISCAN_CLOUDPROXY_API, $method, $params); } return false; } /** * Retrieve the public settings of the account associated with the API keys * registered by the administrator of the site. This method will send a HTTP * request to the remote API service and process its response, when successful * it will return an array/object containing the public attributes of the site. * * @param array|bool $api_key The firewall API key. * @return array|bool A hash with the settings of a firewall account. */ public static function settings($api_key = false) { $params = array('a' => 'show_settings'); if ($api_key) { $params = array_merge($params, $api_key); } $response = self::apiCallFirewall('GET', $params); return self::handleResponse($response) ? $response['output'] : false; } /** * Generate the HTML code for the firewall settings panel. * * @codeCoverageIgnore * * @return string The parsed-content of the firewall settings panel. */ public static function settingsPage() { $params = array( 'Firewall.APIKey' => '', 'Firewall.APIKeyVisibility' => 'hidden', 'Firewall.APIKeyFormVisibility' => 'visible', ); if (SucuriScanInterface::checkNonce()) { // Add and/or Update the Sucuri WAF API Key (do it before anything else). $option_name = ':cloudproxy_apikey'; $api_key = SucuriScanRequest::post($option_name); if ($api_key !== false) { $api_key = trim($api_key); if (self::isValidKey($api_key)) { SucuriScanOption::updateOption($option_name, $api_key); SucuriScanInterface::info(__('Firewall API key was successfully saved', 'sucuri-scanner')); SucuriScanOption::setRevProxy('enable'); SucuriScanOption::setAddrHeader('HTTP_X_SUCURI_CLIENTIP'); } else { SucuriScanInterface::error('Invalid firewall API key'); } } // Delete the firewall API key from the plugin. if (SucuriScanRequest::post(':delete_wafkey') !== false) { SucuriScanOption::deleteOption($option_name); SucuriScanInterface::info(__('Firewall API key was successfully removed', 'sucuri-scanner')); SucuriScanOption::setRevProxy('disable'); SucuriScanOption::setAddrHeader('REMOTE_ADDR'); } } $api_key = self::getKey(); if ($api_key && array_key_exists('string', $api_key)) { $params['Firewall.APIKeyVisibility'] = 'visible'; $params['Firewall.APIKeyFormVisibility'] = 'hidden'; $params['Firewall.APIKey'] = $api_key['string']; } return SucuriScanTemplate::getSection('firewall-settings', $params); } /** * Converts the value of some of the firewall settings into a human-readable * text, for example changing numbers or variable names into a more explicit * text so the administrator can understand the meaning of these settings. * * @param array $settings A hash with the settings of a firewall account. * @return array The explained version of the firewall settings. */ public static function settingsExplanation($settings = array()) { if (!is_array($settings)) { return array(); } $cache_modes = array( 'docache' => __('enabled (recommended)', 'sucuri-scanner'), 'sitecache' => __('site caching (using your site headers)', 'sucuri-scanner'), 'nocache' => __('minimal (only for a few minutes)', 'sucuri-scanner'), 'nocacheatall' => __('caching disabled (use with caution)', 'sucuri-scanner'), ); foreach ($settings as $keyname => $value) { if ($keyname == 'proxy_active') { $settings[$keyname] = ($value === 1) ? 'active' : 'not active'; continue; } if ($keyname == 'cache_mode') { if (array_key_exists($value, $cache_modes)) { $settings[$keyname] = $cache_modes[$value]; } else { $settings[$keyname] = 'unknown'; } continue; } } return $settings; } /** * Returns the public firewall settings. * * @codeCoverageIgnore * * @return void */ public static function getSettingsAjax() { if (SucuriScanRequest::post('form_action') !== 'firewall_settings') { return; } $response = array(); $response['ok'] = false; $api_key = self::getKey(); ob_start(); $settings = self::settings($api_key); $error = ob_get_clean(); if (!$settings) { if (empty($error)) { ob_start(); SucuriScanInterface::error(__('Firewall API key was not found.', 'sucuri-scanner')); $response['error'] = ob_get_clean(); } else { $response['error'] = $error; } wp_send_json($response, 200); } $response['ok'] = true; $response['settings'] = self::settingsExplanation($settings); unset($response['settings']['whitelist_list']); unset($response['settings']['blacklist_list']); wp_send_json($response, 200); } /** * Retrieve the audit logs of the account associated with the API keys * registered b the administrator of the site. This method will send a HTTP * request to the remote API service and process its response, when successful * it will return an array/object containing a list of requests blocked by our * firewall. * * By default the logs that will be retrieved are from today, if you need to see * the logs of previous days you will need to add a new parameter to the request * URL named "date" with format yyyy-mm-dd. * * @param array|string $api_key The firewall API key. * @param string $date Retrieve the data from this date. * @param string $query Filter the data to match this query. * @param int $limit Retrieve this maximum of data. * @param int $offset Retrieve the data from this point. * @return array|bool Objects with details of each blocked request. */ public static function auditlogs($api_key, $date = '', $query = '', $limit = 10, $offset = 0) { $params = array( 'a' => 'audit_trails', 'date' => $date, 'query' => $query, 'limit' => $limit, 'offset' => $offset, ); if (is_array($api_key)) { $params = array_merge($params, $api_key); } $response = self::apiCallFirewall('GET', $params); return self::handleResponse($response) ? $response['output'] : false; } /** * Generate the HTML code for the firewall logs panel. * * @return string The parsed-content of the firewall logs panel. */ public static function auditlogsPage() { $params = array(); /* logs are available after 24 hours */ $date = SucuriScan::datetime(strtotime('-1 day'), 'Y-m-d'); $params['AuditLogs.DateYears'] = self::dates('years', $date); $params['AuditLogs.DateMonths'] = self::dates('months', $date); $params['AuditLogs.DateDays'] = self::dates('days', $date); return SucuriScanTemplate::getSection('firewall-auditlogs', $params); } /** * Returns the security logs from the Firewall API. * * The API allows to filter the logs by day and by user input. This operation * depends on the availability of the Firewall API key, if the website owner has * not signed up for the Firewall service then they will not have access to this * feature. The plugin will display a warning in this case. * * @codeCoverageIgnore * * @return void */ public static function auditlogsAjax() { if (SucuriScanRequest::post('form_action') !== 'get_firewall_logs') { return; } $response = ''; $api_key = self::getKey(); if (!$api_key) { ob_start(); SucuriScanInterface::error(__('Firewall API key was not found.', 'sucuri-scanner')); $response = ob_get_clean(); wp_send_json($response, 200); } $query = SucuriScanRequest::post(':query'); $month = SucuriScanRequest::post(':month'); $year = SucuriScanRequest::post(':year'); $day = SucuriScanRequest::post(':day'); $limit = 50; $offset = 1; if ($year && $month && $day) { $date = sprintf('%s-%s-%s', $year, $month, $day); } else { $date = SucuriScan::datetime(null, 'Y-m-d'); } ob_start(); $auditlogs = self::auditlogs( $api_key, $date, /* Retrieve the data from this date. */ $query, /* Filter the data to match this query. */ $limit, /* Retrieve this maximum of data. */ $offset /* Retrieve the data from this point. */ ); $error = ob_get_clean(); if (!$auditlogs && !empty($error)) { wp_send_json($error, 200); } if ($auditlogs && array_key_exists('total_lines', $auditlogs)) { $response = self::auditlogsEntries($auditlogs['access_logs']); if (empty($response)) { $response = '<tr><td>' . __('no data available.', 'sucuri-scanner') . '</td></tr>'; } } wp_send_json($response, 200); } /** * Returns the security logs from the firewall in HTML. * * @param array $entries Security logs retrieved from the Firewall API. * @return string HTML with the information from the logs. */ public static function auditlogsEntries($entries = array()) { if (!is_array($entries) || empty($entries)) { return ''; /* empty response */ } $output = ''; $attributes = array( 'remote_addr', 'request_date', 'request_time', 'request_timezone', 'request_method', 'resource_path', 'http_protocol', 'http_status', 'http_status_title', 'http_referer', 'http_user_agent', 'sucuri_block_code', 'sucuri_block_reason', 'request_country_name', 'request_country_code', ); foreach ($entries as $entry) { if (array_key_exists('is_usable', $entry) && $entry['is_usable']) { $data_set = array(); foreach ($attributes as $attr) { /* generate variable name for the template pseudo-tags */ $keyname = str_replace('_', "\x20", $attr); $keyname = ucwords($keyname); $keyname = str_replace("\x20", '', $keyname); $keyname = 'AccessLog.' . $keyname; /* assign and escape variable value before rendering */ $data_set[$keyname] = isset($entry[$attr]) ? $entry[$attr] : ''; /* special cases to convert value to readable data */ if ($attr == 'resource_path' && $data_set[$keyname] == '/') { $data_set[$keyname] = '/ (root of the website)'; } elseif ($attr == 'http_referer' && $data_set[$keyname] == '-') { $data_set[$keyname] = '- (no referer)'; } elseif ($attr == 'request_country_name' && $data_set[$keyname] == '') { $data_set[$keyname] = __('Anonymous', 'sucuri-scanner'); } } $output .= SucuriScanTemplate::getSnippet('firewall-auditlogs', $data_set); } } return $output; } /** * Get a list of years, months or days depending of the type specified. * * @param string $type Either years, months or days. * @param string $date Year, month and day selected from the request. * @param bool $in_html Whether the list should be converted to a HTML select options or not. * @return array|string Either an array with the expected values, or a HTML code. */ public static function dates($type = '', $date = '', $in_html = true) { $options = array(); $selected = ''; $pattern = '/^([0-9]{4})\-([0-9]{2})\-([0-9]{2})$/'; $s_year = ''; $s_month = ''; $s_day = ''; if (@preg_match($pattern, $date, $date_m)) { $s_year = $date_m[1]; $s_month = $date_m[2]; $s_day = $date_m[3]; } switch ($type) { case 'years': $selected = $s_year; $current_year = (int) SucuriScan::datetime(null, 'Y'); $max_years = 5; /* Maximum number of years to keep the logs. */ $options = range(($current_year - $max_years), $current_year); break; case 'months': $selected = $s_month; $options = array( '01' => __('January', 'sucuri-scanner'), '02' => __('February', 'sucuri-scanner'), '03' => __('March', 'sucuri-scanner'), '04' => __('April', 'sucuri-scanner'), '05' => __('May', 'sucuri-scanner'), '06' => __('June', 'sucuri-scanner'), '07' => __('July', 'sucuri-scanner'), '08' => __('August', 'sucuri-scanner'), '09' => __('September', 'sucuri-scanner'), '10' => __('October', 'sucuri-scanner'), '11' => __('November', 'sucuri-scanner'), '12' => __('December', 'sucuri-scanner'), ); break; case 'days': $options = range(1, 31); $selected = $s_day; break; } if ($in_html) { $html_options = ''; foreach ($options as $key => $value) { if (is_numeric($value)) { $value = str_pad($value, 2, '0', STR_PAD_LEFT); } if ($type != 'months') { $key = $value; } $selected_tag = ( $key == $selected ) ? 'selected="selected"' : ''; $html_options .= sprintf('<option value="%s" %s>%s</option>', $key, $selected_tag, $value); } return $html_options; } return $options; } /** * Generate the HTML code for the firewall IP access panel. * * @return string The parsed-content of the firewall IP access panel. */ public static function ipAccessPage() { $params = array(); return SucuriScanTemplate::getSection('firewall-ipaccess', $params); } /** * Returns the IP addresses in the blocklist and allowlist. * * @codeCoverageIgnore * * @return void */ public static function ipAccessAjax() { if (SucuriScanRequest::post('form_action') !== 'firewall_ipaccess') { return; } $response = array(); $response['ok'] = false; $api_key = self::getKey(); ob_start(); $settings = self::settings($api_key); $error = ob_get_clean(); if (!$settings) { if (empty($error)) { ob_start(); SucuriScanInterface::error(__('Firewall API key was not found.', 'sucuri-scanner')); $response['error'] = ob_get_clean(); } else { $response['error'] = $error; } wp_send_json($response, 200); } $response['ok'] = true; $response['allowlist'] = $settings['whitelist_list']; $response['blocklist'] = $settings['blacklist_list']; wp_send_json($response, 200); } /** * Blocklists an IP address. * * @codeCoverageIgnore * * @return void */ public static function blocklistAjax() { if (SucuriScanRequest::post('form_action') !== 'firewall_blocklist') { return; } $response = array(); $response['ok'] = false; $params = self::getKey(); if (!$params) { ob_start(); SucuriScanInterface::error(__('Firewall API key was not found.', 'sucuri-scanner')); $response['msg'] = ob_get_clean(); wp_send_json($response, 200); } $params['a'] = 'blacklist_ip'; $params['ip'] = SucuriScanRequest::post('ip'); $out = self::apiCallFirewall('POST', $params); $response['msg'] = __('Failure connecting to the API service; try again.', 'sucuri-scanner'); if ($out && !empty($out['messages'])) { $response['ok'] = (bool) ($out['status'] == 1); $response['msg'] = implode(";\x20", $out['messages']); if ($out['status'] == 1) { SucuriScanEvent::reportInfoEvent(sprintf(__('IP has been added to the blocklist: %s', 'sucuri-scanner'), $params['ip'])); } } wp_send_json($response, 200); } /** * Deletes an IP address from the blocklist. * * @codeCoverageIgnore * * @return void */ public static function deblocklistAjax() { if (SucuriScanRequest::post('form_action') !== 'firewall_deblocklist') { return; } $response = array(); $params = self::getKey(); if (!$params) { ob_start(); $response['ok'] = false; SucuriScanInterface::error(__('Firewall API key was not found.', 'sucuri-scanner')); $response['error'] = ob_get_clean(); wp_send_json($response, 200); } $params['a'] = 'delete_blacklist_ip'; $params['ip'] = SucuriScanRequest::post('ip'); $out = self::apiCallFirewall('POST', $params); $response['ok'] = (bool) ($out['status'] == 1); $response['msg'] = implode(";\x20", $out['messages']); if ($out['status'] == 1) { SucuriScanEvent::reportInfoEvent(sprintf(__('IP has been removed from the blocklist: %s', 'sucuri-scanner'), $params['ip'])); } wp_send_json($response, 200); } /** * Flush the cache of the site(s) associated with the API key. * * @param array|bool $api_key The firewall API key. * @return string|bool Message explaining the result of the operation. */ public static function clearCache($api_key = false, $path = '') { $params = array('a' => 'clear_cache'); $path = ltrim(trim($path), '/'); if ($path) { $params['file'] = $path; } if (is_array($api_key)) { $params = array_merge($params, $api_key); } $response = self::apiCallFirewall('GET', $params); return self::handleResponse($response) ? $response : false; } /** * Generate the HTML code for the firewall clear cache panel. * * @codeCoverageIgnore * * @return string The parsed-content of the firewall clear cache panel. */ public static function clearCachePage() { $params = array(); $params['FirewallAutoClearCache'] = 'data-status="disabled"'; if (self::shouldAutoClearCache()) { $params['FirewallAutoClearCache'] = 'checked="checked"'; } return SucuriScanTemplate::getSection('firewall-clearcache', $params); } /** * Clear the firewall cache if necessary. * * Every time a page or post is modified and saved into the database the * plugin will send a HTTP request to the firewall API service and except * that, if the API key is valid, the cache is reset. Notice that the cache * of certain files is going to stay as it is due to the configuration on the * edge of the servers. * * @return void */ public static function clearCacheHook() { if (self::shouldAutoClearCache()) { ob_start(); self::clearCache(); $error = ob_get_clean(); } } /** * Requests a cache flush to the firewall service. * * @codeCoverageIgnore * * @return void */ public static function clearCacheAjax() { if (SucuriScanRequest::post('form_action') !== 'firewall_clear_cache') { return; } ob_start(); SucuriScanInterface::error(__('Firewall API key was not found.', 'sucuri-scanner')); $response = ob_get_clean(); $api_key = self::getKey(); if ($api_key) { $path = SucuriScanRequest::post('path'); $res = self::clearCache($api_key, $path); if (is_array($res) && isset($res['messages'])) { $response = sprintf( '<div class="sucuriscan-inline-alert-%s"><p>%s</p></div>', ($res['status'] == 1) ? 'success' : 'error', implode('<br>', $res['messages']) ); } } wp_send_json($response, 200); } /** * Configures the status of the automatic cache flush. * * @codeCoverageIgnore * * @return void */ public static function clearAutoCacheAjax() { if (SucuriScanRequest::post('form_action') !== 'firewall_auto_clear_cache') { return; } $response = array(); if (SucuriScanRequest::post('auto_clear_cache') === 'enable') { $response['ok'] = SucuriScanOption::updateOption(':auto_clear_cache', 'enabled'); $response['status'] = 'enabled'; } else { $response['ok'] = SucuriScanOption::deleteOption(':auto_clear_cache'); $response['status'] = 'disabled'; } wp_send_json($response, 200); } /** * Returns true if the plugin should flush the firewall cache. * * @return bool True if the plugin should flush the firewall cache. */ private static function shouldAutoClearCache() { return (bool) ( defined('SUCURI_CLEAR_CACHE_ON_PUBLISH') || SucuriScanOption::isEnabled(':auto_clear_cache') ); } } fsscanner.lib.php 0000604 00000010314 14717775511 0010016 0 ustar 00 <?php /** * Code related to the fsscanner.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * File System Scanner * * The File System Scanner component performs full and incremental scans over a * file system folder, maintaining a snapshot of the filesystem and comparing it * with the current content to establish what content has been updated. Updated * content is then submitted to the remote server and it is stored for future * analysis. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanFSScanner extends SucuriScan { /** * Retrieve the last time when the filesystem scan was ran. * * @param bool $format Whether the timestamp must be formatted as date/time or not. * @return string The timestamp of the runtime, or an string with the date/time. */ public static function getFilesystemRuntime($format = false) { $runtime = SucuriScanOption::getOption(':runtime'); if ($runtime > 0) { if ($format) { return SucuriScan::datetime($runtime); } return $runtime; } return 'Unknown'; } /** * Add a new directory path to the list of ignored paths. * * @param string $path The (full) absolute path of a directory. * @return bool TRUE if the directory path was added to the list, FALSE otherwise. */ public static function ignoreDirectory($path = '') { $cache = new SucuriScanCache('ignorescanning'); $resource_type = SucuriScanFileInfo::getResourceType($path); $cache_value = array( 'directory_path' => $path, 'ignored_at' => time(), 'resource_type' => $resource_type, ); return $cache->add(md5($path), $cache_value); } /** * Remove a directory path from the list of ignored paths. * * @param string $path The (full) absolute path of a directory. * @return bool TRUE if the directory path was removed to the list, FALSE otherwise. */ public static function unignoreDirectory($path = '') { $cache = new SucuriScanCache('ignorescanning'); return $cache->delete(md5($path)); } /** * Returns a list of ignored directories. * * <ul> * <li><b>raw:</b> Contains the raw data from the local cache.</li> * <li><b>checksums:</b> Contains the md5 of all the directories.</li> * <li><b>directories:</b> Contains a list of directories.</li> * <li><b>ignored_at_list:</b> Contains a list of timestamps.</li> * </ul> * * @return array List of ignored directories. */ public static function getIgnoredDirectories() { $response = array( 'raw' => array(), 'checksums' => array(), 'directories' => array(), 'ignored_at_list' => array(), ); $cache = new SucuriScanCache('ignorescanning'); $cache_lifetime = 0; // It is not necessary to expire this cache. $entries = $cache->getAll($cache_lifetime, 'array'); if ($entries) { $response['raw'] = $entries; foreach ($entries as $checksum => $data) { if (isset($data['directory_path']) && isset($data['ignored_at'])) { $response['checksums'][] = $checksum; $response['directories'][] = $data['directory_path']; $response['ignored_at_list'][] = $data['ignored_at']; } } } return $response; } } globals.php 0000604 00000020724 14717775511 0006720 0 ustar 00 <?php /** * Code related to the globals.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Plugin's global variables. * * These variables will be defined globally to allow the inclusion in multiple * methods and classes defined in the libraries loaded by this plugin. The * conditional will act as a container helping in the readability of the code * considering the total number of lines that this file will have. */ if (defined('SUCURISCAN')) { /** * Define the prefix for some actions and filters that rely in the differen- * tiation of the type of site where the extension is being used. There are * a few differences between a single site installation that must be * correctly defined when the extension is in a different environment, for * example, in a multisite installation. * * @var string */ $sucuriscan_action_prefix = SucuriScan::isMultiSite() ? 'network_' : ''; /** * Remove the WordPress generator meta-tag from the source code. */ remove_action('wp_head', 'wp_generator'); /** * Run a specific method defined in the plugin's code to locate every * directory and file, collect their checksum and file size, and send this * information to the Sucuri API service where a security and integrity scan * will be performed against the hashes provided and the official versions. */ add_action('sucuriscan_scheduled_scan', 'SucuriScan::runScheduledTask'); /** * Initialize the execute of the main plugin's functions. * * This will load the menu options in the WordPress administrator panel, and * execute the bootstrap method of the plugin. */ add_action('init', 'SucuriScanInterface::initialize', 1); add_action('admin_enqueue_scripts', 'SucuriScanInterface::enqueueScripts', 1); if (SucuriScan::runAdminInit()) { add_action('admin_init', 'SucuriScanInterface::handleOldPlugins'); add_action('admin_init', 'SucuriScanInterface::createStorageFolder'); } /** * Add cronjob weekly, monthly and quarterly frequencies. */ add_filter('cron_schedules', 'SucuriScanEvent::additionalSchedulesFrequencies'); /** * Hook the sucuriscan_autoseckeyupdater cron job. */ add_action('sucuriscan_autoseckeyupdater', 'SucuriScanCrons::sucuriscan_autoseckeyupdater'); /** * List an associative array with the sub-pages of this plugin. * * @return array List of sub-pages of this plugin. */ function sucuriscanMainPages() { return array( 'sucuriscan' => __('Dashboard', 'sucuri-scanner'), 'sucuriscan_firewall' => __('Firewall (WAF)', 'sucuri-scanner'), 'sucuriscan_lastlogins' => __('Last Logins', 'sucuri-scanner'), 'sucuriscan_settings' => __('Settings', 'sucuri-scanner'), ); } if (function_exists('add_action')) { /** * Display extension menu and submenu items in the correct interface. * For single site installations the menu items can be displayed * normally as always but for multisite installations the menu items * must be available only in the network panel and hidden in the * administration panel of the subsites. * * @codeCoverageIgnore * * @return void */ function sucuriscanAddMenuPage() { $pages = sucuriscanMainPages(); add_menu_page( __('Sucuri Security', 'sucuri-scanner'), __('Sucuri Security', 'sucuri-scanner'), 'manage_options', 'sucuriscan', 'sucuriscan_page', 'data:image/svg+xml;base64,' . base64_encode('<svg xmlns="http://www.w3.org/2000/svg" width="17.321" height="20" viewBox="0 0 17.321 20"><path id="Path_1098" data-name="Path 1098" d="M810.581,111.016v-8.14l8.66-5,7.049,4.07-3.524,2.035-3.525-2.035-5.136,2.965,3.525,2.035Zm10.271-2.209,3.525,2.035-5.136,2.965-3.525-2.035-3.525,2.035,7.049,4.07,8.661-5h0v-8.14Z" transform="translate(-810.581 -97.877)" fill="#f0f0f1"/></svg>') ); foreach ($pages as $sub_page_func => $sub_page_title) { add_submenu_page( 'sucuriscan', $sub_page_title, $sub_page_title, 'manage_options', $sub_page_func, $sub_page_func . '_page' ); } } /* Attach HTTP request handlers for the internal plugin pages */ add_action($sucuriscan_action_prefix . 'admin_menu', 'sucuriscanAddMenuPage'); /* Attach HTTP request handlers for the AJAX requests */ add_action('wp_ajax_sucuriscan_ajax', 'sucuriscan_ajax'); } /** * Function call interceptors. * * Define the names for the hooks that will intercept specific method calls in * the admin interface and parts of the external site, an event report will be * sent to the API service and an email notification to the administrator of the * site. * * @see Class SucuriScanHook */ if (class_exists('SucuriScanHook')) { add_action('activated_plugin', 'SucuriScanHook::hookPluginActivate', 50, 2); add_action('add_attachment', 'SucuriScanHook::hookAttachmentAdd', 50, 5); add_action('add_link', 'SucuriScanHook::hookLinkAdd', 50, 5); add_action('add_user_to_blog', 'SucuriScanHook::hookAddUserToBlog', 50, 4); add_action('before_delete_post', 'SucuriScanHook::hookPostBeforeDelete', 50, 5); add_action('create_category', 'SucuriScanHook::hookCategoryCreate', 50, 5); add_action('deactivated_plugin', 'SucuriScanHook::hookPluginDeactivate', 50, 2); add_action('delete_post', 'SucuriScanHook::hookPostDelete', 50, 5); add_action('delete_user', 'SucuriScanHook::hookUserDelete', 50, 5); add_action('edit_link', 'SucuriScanHook::hookLinkEdit', 50, 5); add_action('login_form_resetpass', 'SucuriScanHook::hookLoginFormResetpass', 50, 5); add_action('profile_update', 'SucuriScanHook::hookProfileUpdate', 50, 5); add_action('publish_page', 'SucuriScanHook::hookPublishPage', 50, 5); add_action('publish_phone', 'SucuriScanHook::hookPublishPhone', 50, 5); add_action('publish_post', 'SucuriScanHook::hookPublishPost', 50, 5); add_action('remove_user_from_blog', 'SucuriScanHook::hookRemoveUserFromBlog', 50, 2); add_action('retrieve_password', 'SucuriScanHook::hookRetrievePassword', 50, 5); add_action('switch_theme', 'SucuriScanHook::hookThemeSwitch', 50, 5); add_action('transition_post_status', 'SucuriScanHook::hookPostStatus', 50, 3); add_action('user_register', 'SucuriScanHook::hookUserRegister', 50, 5); add_action('wp_login', 'SucuriScanHook::hookLoginSuccess', 50, 5); add_action('wp_login_failed', 'SucuriScanHook::hookLoginFailure', 50, 5); add_action('wp_trash_post', 'SucuriScanHook::hookPostTrash', 50, 5); add_action('xmlrpc_publish_post', 'SucuriScanHook::hookPublishPostXMLRPC', 50, 5); if (SucuriScan::runAdminInit()) { add_action('_core_updated_successfully', 'SucuriScanHook::hookCoreUpdate'); add_action('admin_init', 'SucuriScanHook::hookOptionsManagement'); add_action('deleted_plugin', 'SucuriScanHook::hookPluginDelete'); add_action('admin_init', 'SucuriScanHook::hookPluginEditor'); add_action('admin_init', 'SucuriScanHook::hookPluginInstall'); add_action('admin_init', 'SucuriScanHook::hookPluginUpdate'); add_action('admin_init', 'SucuriScanHook::hookThemeDelete'); add_action('admin_init', 'SucuriScanHook::hookThemeEditor'); add_action('admin_init', 'SucuriScanHook::hookThemeInstall'); add_action('admin_init', 'SucuriScanHook::hookThemeUpdate'); add_action('admin_init', 'SucuriScanHook::hookWidgetAdd'); add_action('admin_init', 'SucuriScanHook::hookWidgetDelete'); } } } hardening.lib.php 0000604 00000044576 14717775511 0010014 0 ustar 00 <?php /** * Code related to the hardening.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Project hardening library. * * In computing, hardening is usually the process of securing a system by * reducing its surface of vulnerability. A system has a larger vulnerability * surface the more functions it fulfills; in principle a single-method system * is more secure than a multipurpose one. Reducing available vectors of attack * typically includes the removal of unnecessary software, unnecessary usernames * or logins and the disabling or removal of unnecessary services. * * There are various methods of hardening Unix and Linux systems. This may * involve, among other measures, applying a patch to the kernel such as Exec * Shield or PaX; closing open network ports; and setting up intrusion-detection * systems, firewalls and intrusion-prevention systems. There are also hardening * scripts and tools like Bastille Linux, JASS for Solaris systems and * Apache/PHP Hardener that can, for example, deactivate unneeded features in * configuration files or perform various other protective measures. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanHardening extends SucuriScan { /* * This method is used to extract the folder and relative path (from one of the allowed folders) * given a full path and a list of allowed folders. * * @param string $fullPath Full path to the file. * @param array $allowed_folders List of allowed folders. * * @return array|false Array with the root directory and relative path * or null if the file is not in an allowed folder. */ public static function getFolderAndFilePath($path = '', $allowed_folders = array()) { $best_match = false; foreach ($allowed_folders as $base_directory) { if (strpos($path, $base_directory . DIRECTORY_SEPARATOR) === 0) { if ($best_match === false || substr_count( $base_directory, DIRECTORY_SEPARATOR ) > substr_count($best_match['base_directory'], DIRECTORY_SEPARATOR)) { $relative_path = str_replace($base_directory . DIRECTORY_SEPARATOR, '', $path); $best_match = array( 'base_directory' => $base_directory, 'relative_path' => $relative_path ); } } } return $best_match; } /** * Returns a list of access control rules for the Apache web server that can be * used to deny and allow certain files to be accessed by certain network nodes. * Currently supports Apache 2.2 and 2.4 and denies access to all PHP files with * any mixed extension case. * * @return array List of access control rules. */ private static function getRules() { return array( '<FilesMatch "\.(?i:php)$">', ' <IfModule !mod_authz_core.c>', ' Order allow,deny', ' Deny from all', ' </IfModule>', ' <IfModule mod_authz_core.c>', ' Require all denied', ' </IfModule>', '</FilesMatch>', ); } /** * Adds some rules to an existing access control file (or creates it if does not * exists) to deny access to all files with certain extension in any mixed case. * The permissions to modify the file are checked before anything else, this * method is self-contained. * * @param string $directory Valid directory path where to place the access rules. * @return bool True if the rules are successfully added, false otherwise. */ public static function hardenDirectory($directory = '') { if (!is_dir($directory) || !is_writable($directory)) { return self::throwException(__('Directory is not usable', 'sucuri-scanner')); } if (SucuriScan::isNginxServer() || SucuriScan::isIISServer()) { return self::throwException(__('Access control file is not supported', 'sucuri-scanner')); } $fhandle = false; $target = self::htaccess($directory); if (file_exists($target)) { self::fixPreviousHardening($directory); $fhandle = @fopen($target, 'a'); } else { $fhandle = @fopen($target, 'w'); } if (!$fhandle) { return false; } $deny_rules = self::getRules(); $rules_text = implode("\n", $deny_rules); $written = @fwrite($fhandle, "\n" . $rules_text . "\n"); @fclose($fhandle); return (bool)($written !== false); } /** * Deletes some rules from an existing access control file to allow access to * all files with certain extension in any mixed case. The file is truncated if * after the operation its size is equals to zero. * * @param string $directory Valid directory path where to access rules are. * @return bool True if the rules are successfully deleted, false otherwise. */ public static function unhardenDirectory($directory = '') { if (!self::isHardened($directory)) { return self::throwException(__('Directory is not hardened', 'sucuri-scanner')); } $fpath = self::htaccess($directory); $content = SucuriScanFileInfo::fileContent($fpath); $deny_rules = self::getRules(); $rules_text = implode("\n", $deny_rules); $content = str_replace($rules_text, '', $content); $written = @file_put_contents($fpath, $content); $trimmed = trim($content); if (!filesize($fpath) || empty($trimmed)) { @unlink($fpath); } return (bool)($written !== false); } /** * Remove the hardening applied in previous versions. * * @param string $directory Valid directory path. * @return bool True if the access control file was fixed. */ private static function fixPreviousHardening($directory = '') { $fpath = self::htaccess($directory); $content = SucuriScanFileInfo::fileContent($fpath); $rules = "<Files *.php>\ndeny from all\n</Files>"; /* no previous hardening rules exist */ if (strpos($content, $rules) === false) { return true; } $content = str_replace($rules, '', $content); $written = @file_put_contents($fpath, $content); return (bool)($written !== false); } /** * Check whether a directory is hardened or not. * * @param string $directory Valid directory path. * @return bool True if the directory is hardened, false otherwise. */ public static function isHardened($directory = '') { if (!is_dir($directory)) { return false; } $fpath = self::htaccess($directory); $content = SucuriScanFileInfo::fileContent($fpath); $deny_rules = self::getRules(); $rules_text = implode("\n", $deny_rules); return (bool)(strpos($content, $rules_text) !== false); } /** * Returns the path to the Apache access control file. * * @param string $folder Folder where the htaccess file is supposed to be. * @return string Path to the htaccess file in the specified folder. */ private static function htaccess($folder = '') { if (!function_exists('get_home_path')) { require_once ABSPATH . 'wp-admin/includes/file.php'; } $folder = str_replace(get_home_path(), '', $folder); $bpath = rtrim(get_home_path(), DIRECTORY_SEPARATOR); return $bpath . '/' . $folder . '/.htaccess'; } /** * Generates Apache access control rules for a file. * * Assuming that the directory hosting the specified file is hardened, this * method will generate the necessary rules to allowlist such file so anyone * can send a direct request to it. The method will generate both the rules * for Apache 2.4. * * Please note that since v1.9.5 we allow relatives paths to be used in the * REQUEST_URI condition. This is useful when the file is located in a subfolder * of the folder being hardened. * * @param string $filepath File path to be ignored by the hardening. * @param string $folder Folder hosting the specified file. * * @return string Access control rules to allowlist the file. */ private static function allowlistRule($filepath = '', $folder = '') { $filepath = str_replace(array('<', '>', '..'), '', $filepath); $relative_folder = str_replace(ABSPATH, '/', $folder); $relative_folder = '/' . ltrim($relative_folder, '/'); $path = sprintf( "<Files %s>\n" . " <If \"%%{REQUEST_URI} =~ m#^%s/%s$#\">\n" . " <IfModule !mod_authz_core.c>\n" . " Allow from all\n" . " </IfModule>\n" . " <IfModule mod_authz_core.c>\n" . " Require all granted\n" . " </IfModule>\n" . " </If>\n" . "</Files>\n", basename($filepath), rtrim($relative_folder, '/'), ltrim($filepath, '/') ); return $path; } /** * Generates Apache access control rules for a file (legacy). * * Assuming that the directory hosting the specified file is hardened, this * method will generate the necessary rules to allowlist such file so anyone * can send a direct request to it. The method will generate both the rules * for Apache 2.4 and a compatibility conditional for older versions. * * @param string $filepath File to be ignored by the hardening. * @return string Access control rules to allowlist the file. */ private static function allowlistRuleLegacy($filepath = '', $folder = '') { $filepath = str_replace(array('<', '>', '..'), '', $filepath); return sprintf( "<Files %s>\n" . " <IfModule !mod_authz_core.c>\n" . " Allow from all\n" . " </IfModule>\n" . " <IfModule mod_authz_core.c>\n" . " Require all granted\n" . " </IfModule>\n" . "</Files>", basename($filepath) ); } /** * Adds file in the specified folder to the allowlist. * * If the website owner has applied the hardening to the folder where the * specified file is located, all the requests sent directly to the file * will be blocked by the web server using its access control module. An * admin can ignore this hardening in one or more files if direct access to * it is required, as is the case with some 3rd-party plugins and themes. * * @param string $filepath File to be ignored by the hardening. * @param string $folder Folder hosting the specified file. * @return bool True if the file has been added to the allowlist, false otherwise. */ public static function allow($filepath = '', $folder = '') { if (SucuriScan::isNginxServer() || SucuriScan::isIISServer()) { throw new Exception(__('Access control file is not supported', 'sucuri-scanner')); } $htaccess = self::htaccess($folder); if (!file_exists($htaccess)) { throw new Exception(__('Access control file does not exists', 'sucuri-scanner')); } if (!is_writable($htaccess)) { throw new Exception(__('Access control file is not writable', 'sucuri-scanner')); } $rules = self::allowlistRule($filepath, $folder); $content = SucuriScanFileInfo::fileContent($htaccess); if (strpos($content, $rules) !== false) { throw new Exception(__('File is already in the allowlist', 'sucuri-scanner')); } return (bool)@file_put_contents( $htaccess, "\n" . self::allowlistRule($filepath, $folder), FILE_APPEND ); } /** * Blocks a file in the specified folder. * * If the website owner has applied the hardening to the folder where the * specified file is located, all the requests sent directly to the file * will be blocked by the web server using its access control module. If an * admin has added a file to the allowlist in this folder because a 3rd-party plugin or * theme required it, they can decide to remove this file from the allowlist using this * method which is executed by one of the tools in the settings page. * * @param string $filepath File to stop ignoring from the hardening. * @param string $folder Folder hosting the specified file. * @param bool $is_legacy Whether to use the legacy allowlist rule. * * @return bool True if the file has been removed from the allowlist, false otherwise. */ public static function removeFromAllowlist($filepath = '', $folder = '', $is_legacy = false) { $rules = self::allowlistRule($filepath, $folder); $htaccess = self::htaccess($folder); $content = SucuriScanFileInfo::fileContent($htaccess); if (!$content || !is_writable($htaccess)) { return self::throwException(__('Cannot remove file from the allowlist; no permissions.', 'sucuri-scanner')); } if ($is_legacy) { $rules = self::allowlistRuleLegacy($filepath, $folder); } $content = str_replace($rules, '', $content); $content = rtrim($content) . "\n"; return (bool)@file_put_contents($htaccess, $content); } /* * This method is used to get the list of files in the allowlist in a folder. * This returns the list of files with both the old and new patterns. * * @param string $content Content of the .htaccess file. * * @return array List of files in the allowlist. */ private static function getFiles($content = '') { preg_match_all('/<Files (\S+)>/', $content, $matches); return isset($matches[1]) ? $matches[1] : array(); } /* * This method is used to get the list of all files with new pattern in the .htaccess file * introduced in version 1.9.5. This pattern is based on the relative URL from the root directory * that the user selected. * * @param string $content Content of the .htaccess file. * * @return array List of files with new pattern in the .htaccess file. */ private static function getFilesWithNewPattern($content = '', $folder = '') { preg_match_all('/m#\^(\S+\/(\S+))\$\#/', $content, $new_matches, PREG_SET_ORDER, 0); $files_with_new_pattern = array(); if (empty($new_matches)) { return array(); } foreach ($new_matches as $match) { $uri = $match[0]; if (empty($uri)) { continue; } $cleaned_uri = str_replace(array('m#^', '$#'), '', $uri); $relative_folder_uri = str_replace(ABSPATH, '', $folder); $relative_path = str_replace($relative_folder_uri, '', $cleaned_uri); $relative_path = ltrim($relative_path, '/'); $files_with_new_pattern[] = array( 'file' => basename($cleaned_uri), 'relative_path' => $relative_path, ); } return $files_with_new_pattern; } /* This method is used to build the allowlist from the list of files and files with new pattern. * * @param array $files List of files in the allowlist. * @param array $filesWithNewPattern List of files with new pattern in the .htaccess file. * * @return array List of files in the allowlist. */ private static function buildAllowlist($files = array(), $files_with_new_pattern = array()) { if (empty($files)) { return array(); } $allowlist = array(); $processed_files = array(); foreach ($files as $file) { $wildcard_pattern = true; $relative_path = ''; // If this file is found in $files_with_new_pattern, it should not be marked as a wildcard pattern foreach ($files_with_new_pattern as $file_new_pattern) { if ($file_new_pattern['file'] === $file) { if (isset($processed_files[$file])) { continue; } $wildcard_pattern = false; $relative_path = $file_new_pattern['relative_path']; break; } } $processed_files[$file] = true; $allowlist[] = array( 'file' => $file, 'relative_path' => $relative_path ?: $file, 'wildcard_pattern' => $wildcard_pattern, ); } return $allowlist; } /** * Returns a list of files in the allowlist in folder. * * @param string $folder Directory to scan for files in the allowlist. * @return array List of files in the allowlist. Each file is an array with the keys: * - file: The name of the file. * - relative_path: The relative path of the file. * - wildcard_pattern: Whether the file is a wildcard pattern. */ public static function getAllowlist($folder = '') { $htaccess = self::htaccess($folder); $content = SucuriScanFileInfo::fileContent($htaccess); $files = self::getFiles($content); $files_with_new_pattern = self::getFilesWithNewPattern($content, $folder); $allowlist = self::buildAllowlist($files, $files_with_new_pattern); return $allowlist; } } hook.lib.php 0000604 00000114351 14717775511 0007002 0 ustar 00 <?php /** * Code related to the hook.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Function call interceptors. * * The term hooking covers a range of techniques used to alter or augment the * behavior of an operating system, of applications, or of other software * components by intercepting method calls or messages or events passed * between software components. Code that handles such intercepted methods, * events or messages is called a "hook". * * Hooking is used for many purposes, including debugging and extending * functionality. Examples might include intercepting keyboard or mouse event * messages before they reach an application, or intercepting operating system * calls in order to monitor behavior or modify the method of an application * or other component; it is also widely used in benchmarking programs. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanHook extends SucuriScanEvent { /** * Send to Sucuri servers an alert notifying that an attachment was added to a post. * * @param int $id The post identifier. * @return void */ public static function hookAttachmentAdd($id = 0) { $title = 'unknown'; $mime_type = 'unknown'; $data = get_post($id); if ($data) { $id = $data->ID; $title = $data->post_title; $mime_type = $data->post_mime_type; } $message = sprintf(__('Media file added; ID: %s; name: %s; type: %s', 'sucuri-scanner'), $id, $title, $mime_type); self::reportNoticeEvent($message); self::notifyEvent('post_publication', $message); } /** * Send and alert notifying that a user was added to a blog. * * @param int $user_id User ID. * @param string $role User role. * @param int $blog_id Blog ID. */ public static function hookAddUserToBlog($user_id, $role, $blog_id) { $title = __('unknown', 'sucuri-scanner'); $email = __('user@domain.com', 'sucuri-scanner'); $data = get_userdata($user_id); if ($data) { $title = $data->user_login; $email = $data->user_email; } $message = sprintf(__('User added to website; user_id: %s; role: %s; blog_id: %s; name: %s; email: %s', 'sucuri-scanner'), $user_id, $role, $blog_id, $title, $email ); self::reportWarningEvent($message); } /** * Send and alert notifying that a user was removed from a blog. * * @param int $user_id User ID. * @param int $blog_id Blog ID. */ public static function hookRemoveUserFromBlog($user_id, $blog_id) { $title = __('unknown', 'sucuri-scanner'); $email = __('user@domain.com', 'sucuri-scanner'); $data = get_userdata($user_id); if ($data) { $title = $data->user_login; $email = $data->user_email; } $message = sprintf(__('User removed from website; user_id: %s; blog_id: %s; name: %s; email: %s', 'sucuri-scanner'), $user_id, $blog_id, $title, $email ); self::reportWarningEvent($message); } /** * Send an alert notifying that a category was created. * * @param int $id The identifier of the category created. * @return void */ public static function hookCategoryCreate($id = 0) { $title = ( is_int($id) ? get_cat_name($id) : __('Unknown', 'sucuri-scanner') ); $message = sprintf(__('Category created; ID: %s; name: %s', 'sucuri-scanner'), $id, $title); self::reportNoticeEvent($message); self::notifyEvent('post_publication', $message); } /** * Detects when the core files are updated. * * @param string $wp_version The current WordPress version. * @return void */ public static function hookCoreUpdate($wp_version='') { // WordPress core has been successfully updated $message = sprintf(__('WordPress updated to version: %s', 'sucuri-scanner'), $wp_version); self::reportCriticalEvent($message); self::notifyEvent('website_updated', $message); } /** * Send an alert notifying that a new link was added to the bookmarks. * * @param int $id Identifier of the new link created; * @return void */ public static function hookLinkAdd($id = 0) { $title = 'unknown'; $target = '_none'; $url = 'undefined/url'; $data = get_bookmark($id); if ($data) { $title = $data->link_name; $target = $data->link_target; $url = $data->link_url; } $message = sprintf( __('Bookmark link added; ID: %s; name: %s; url: %s; target: %s', 'sucuri-scanner'), $id, $title, $url, $target ); self::reportWarningEvent($message); self::notifyEvent('post_publication', $message); } /** * Send an alert notifying that a new link was added to the bookmarks. * * @param int $id Identifier of the new link created; * @return void */ public static function hookLinkEdit($id = 0) { $title = __('unknown', 'sucuri-scanner'); $target = '_none'; $url = 'undefined/url'; $data = get_bookmark($id); if ($data) { $title = $data->link_name; $target = $data->link_target; $url = $data->link_url; } $message = sprintf( __('Bookmark link edited; ID: %s; name: %s; url: %s; target: %s', 'sucuri-scanner'), $id, $title, $url, $target ); self::reportWarningEvent($message); self::notifyEvent('post_publication', $message); } /** * Send an alert notifying that an attempt to login into the * administration panel failed. * * @param string $title The name of the user account involved in the transaction. * @return void */ public static function hookLoginFailure($title = '') { $password = SucuriScanRequest::post('pwd'); $title = empty($title) ? __('Unknown', 'sucuri-scanner') : sanitize_user($title, true); $message = sprintf(__('User authentication failed: %s', 'sucuri-scanner'), $title); sucuriscan_log_failed_login($title); self::reportErrorEvent($message); self::notifyEvent('failed_login', $message); /* report brute-force attack if necessary */ $logins = sucuriscan_get_failed_logins(); if (is_array($logins) && !empty($logins)) { $max_time = 3600; /* report logins in the last hour */ $maximum = SucuriScanOption::getOption(':maximum_failed_logins'); if ($logins['diff_time'] <= $max_time && $logins['count'] >= $maximum) { /** * Report brute-force attack with latest failed logins. * * If the time passed is within the hour, and the quantity * of failed logins registered in the datastore file is * bigger than the maximum quantity of failed logins allowed * per hour (value configured by the administrator in the * settings page), then send an email notification reporting * the event and specifying that it may be a brute-force * attack against the login page. */ sucuriscan_report_failed_logins($logins); } elseif ($logins['diff_time'] > $max_time) { /** * Reset old failed login logs. * * If there time passed is superior to the hour, then reset the * content of the datastore file containing the failed logins so * far, any entry in that file will not be considered as part of * a brute-force attack (if it exists) because the time passed * between the first and last login attempt is big enough to * mitigate the attack. */ sucuriscan_reset_failed_logins(); } } } /** * Detects usage of the password reset form. * * @return void */ public static function hookLoginFormResetpass() { // Detecting WordPress 2.8.3 vulnerability - $key is array. if (isset($_GET['key']) && is_array($_GET['key'])) { self::reportCriticalEvent(__('Attempt to reset password by attacking WP/2.8.3 bug', 'sucuri-scanner')); } } /** * Send an alert notifying that an attempt to login into the * administration panel was successful. * * @param string $title User account involved in the transaction. * @return void */ public static function hookLoginSuccess($title = '') { $title = empty($title) ? __('Unknown', 'sucuri-scanner') : $title; $message = sprintf(__('User authentication succeeded: %s', 'sucuri-scanner'), $title); self::reportNoticeEvent($message); self::notifyEvent('success_login', $message); } /** * Detects changes in the website settings. * * The plugin will monitor all the requests in the general settings page. It * will compare the value sent with the form with the value in the database * and if there are differences will send an email alert notifying the admin * about the changes. * * @return void */ public static function hookOptionsManagement() { /* detect any Wordpress settings modification */ if (current_user_can('manage_options') && SucuriScanOption::checkOptionsNonce()) { /* compare settings in the database with the modified ones */ $options_changed = SucuriScanOption::whatOptionsWereChanged($_POST); $options_changed_str = ''; $options_changed_simple = ''; $options_changed_count = 0; /* determine which options were modified */ foreach ($options_changed['original'] as $option_name => $option_value) { $options_changed_count += 1; $options_changed_str .= sprintf( __("The value of the option <b>%s</b> was changed from <b>'%s'</b> to <b>'%s'</b>.<br>\n", 'sucuri-scanner'), self::escape($option_name), self::escape($option_value), self::escape($options_changed['changed'][ $option_name ]) ); $options_changed_simple .= sprintf( __("%s: from '%s' to '%s',", 'sucuri-scanner'), self::escape($option_name), self::escape($option_value), self::escape($options_changed['changed'][ $option_name ]) ); } /* identify the origin of the request */ $option_page = isset($_POST['option_page']) ? $_POST['option_page'] : 'options'; $page_referer = __('Common', 'sucuri-scanner'); switch ($option_page) { case 'options': $page_referer = __('Global', 'sucuri-scanner'); break; case 'discussion': /* no_break */ case 'general': /* no_break */ case 'media': /* no_break */ case 'permalink': /* no_break */ case 'reading': /* no_break */ case 'writing': /* no_break */ $page_referer = ucwords($option_page); break; } if ($options_changed_count) { $message = sprintf(__('%s settings changed', 'sucuri-scanner'), $page_referer); self::reportErrorEvent( sprintf( __('%s: (multiple entries): %s', 'sucuri-scanner'), $message, rtrim($options_changed_simple, ',') ) ); self::notifyEvent('settings_updated', $message . "<br>\n" . $options_changed_str); } } } /** * Sends an alert with information about a plugin that has been activated. * * @param string $plugin Name of the plugin. * @param string $network_activation Whether the activation was global or not. * @return void */ public static function hookPluginActivate($plugin = '', $network_activation = '') { self::hookPluginChanges('activated', $plugin, $network_activation); } /** * Detects whether a plugin has been activated or deactivated. * * This method will send an email alert notifying the website owners about * activations or deactivations of the plugins. Notice that this only works * if the plugin was affected by a programmatic task. The method will not be * able to detect a deactivation if the plugin has been deleted via FTP or * SSH or any file manager available in the hosting panel. * * @param string $action Activated or deactivated. * @param string $plugin Short name of the plugin file. * @param string $network Whether the action is global or not. * @return void */ private static function hookPluginChanges($action, $plugin = '', $network = '') { $filename = WP_PLUGIN_DIR . '/' . $plugin; /* ignore non-existing plugins */ if (!file_exists($filename)) { return; } $info = get_plugin_data($filename); $name = __('Unknown', 'sucuri-scanner'); $version = '0.0.0'; if (!empty($info['Name'])) { $name = $info['Name']; } if (!empty($info['Version'])) { $version = $info['Version']; } $message = sprintf( __('Plugin %s: %s (v%s; %s%s)', 'sucuri-scanner'), $action, /* activated or deactivated */ self::escape($info['Name']), self::escape($info['Version']), self::escape($plugin), ($network ? '; network' : '') ); self::reportWarningEvent($message); self::notifyEvent('plugin_' . $action, $message); } /** * Sends an alert with information about a plugin that has been deactivated. * * @param string $plugin Name of the plugin. * @param string $network_activation Whether the deactivation was global or not. * @return void */ public static function hookPluginDeactivate($plugin = '', $network_activation = '') { self::hookPluginChanges('deactivated', $plugin, $network_activation); } /** * Detects when a plugin is deleted. * * @return void */ public static function hookPluginDelete() { // Plugin deletion request. if (current_user_can('delete_plugins') && SucuriScanRequest::post('action', 'delete-selected') && SucuriScanRequest::post('verify-delete', '1') ) { $plugin_list = SucuriScanRequest::post('checked', '_array'); $items_affected = array(); foreach ((array) $plugin_list as $plugin) { $filename = WP_PLUGIN_DIR . '/' . $plugin; if (!file_exists($filename)) { continue; } $plugin_info = get_plugin_data($filename); if (!empty($plugin_info['Name']) && !empty($plugin_info['Version']) ) { $items_affected[] = sprintf( '%s (v%s; %s)', self::escape($plugin_info['Name']), self::escape($plugin_info['Version']), self::escape($plugin) ); } } // Report deleted plugins at once. if (!empty($items_affected)) { if (count($items_affected) > 1) { $message = __('Plugins deleted: (multiple entries):', 'sucuri-scanner'); } else { $message = __('Plugin deleted:', 'sucuri-scanner'); } $message .= "\x20" . @implode(',', $items_affected); self::reportWarningEvent($message); self::notifyEvent('plugin_deleted', $message); } } } /** * Detects when the plugin editor is used. * * @return void */ public static function hookPluginEditor() { // Plugin editor request. if (current_user_can('edit_plugins') && SucuriScanRequest::post('action', 'update') && SucuriScanRequest::post('plugin', '.+') && SucuriScanRequest::post('file', '.+') && strpos($_SERVER['SCRIPT_NAME'], 'plugin-editor.php') !== false ) { $filename = SucuriScanRequest::post('file'); $message = sprintf(__('Plugin editor used in: %s', 'sucuri-scanner'), SucuriScan::escape($filename)); self::reportErrorEvent($message); self::notifyEvent('theme_editor', $message); } } /** * Detects when a plugin is uploaded or installed. * * @return void */ public static function hookPluginInstall() { // Plugin installation request. if (current_user_can('install_plugins') && SucuriScanRequest::getOrPost('action', '(install|upload)-plugin') && check_ajax_referer( 'updates', false, false ) ) { $plugin = SucuriScanRequest::getOrPost('plugin', '.+'); if (isset($_FILES['pluginzip'])) { $plugin = $_FILES['pluginzip']['name']; } $plugin = $plugin ? $plugin : __('Unknown', 'sucuri-scanner'); $message = sprintf(__('Plugin installed: %s', 'sucuri-scanner'), self::escape($plugin)); self::reportWarningEvent($message); self::notifyEvent('plugin_installed', $message); } } /** * Detects when a plugin is updated or upgraded. * * @return void */ public static function hookPluginUpdate() { // Plugin update request. $plugin_update_actions = '(upgrade-plugin|do-plugin-upgrade|update-selected)'; if (!current_user_can('update_plugins')) { return; } if (SucuriScanRequest::getOrPost('action', $plugin_update_actions) || SucuriScanRequest::getOrPost('action2', $plugin_update_actions) ) { if (!check_ajax_referer( 'updates', false, false )) { return; } $plugin_list = array(); $items_affected = array(); if (SucuriScanRequest::get('plugin', '.+') && strpos($_SERVER['SCRIPT_NAME'], 'wp-admin/update.php') !== false ) { $plugin_list[] = SucuriScanRequest::get('plugin', '.+'); } elseif (isset($_POST['checked']) && is_array($_POST['checked']) && !empty($_POST['checked']) ) { $plugin_list = SucuriScanRequest::post('checked', '_array'); } foreach ($plugin_list as $plugin) { $plugin_info = get_plugin_data(WP_PLUGIN_DIR . '/' . $plugin); if (!empty($plugin_info['Name']) && !empty($plugin_info['Version']) ) { $items_affected[] = sprintf( '%s (v%s; %s)', self::escape($plugin_info['Name']), self::escape($plugin_info['Version']), self::escape($plugin) ); } } // Report updated plugins at once. if (!empty($items_affected)) { if (count($items_affected) > 1) { $message = __('Plugins updated: (multiple entries):', 'sucuri-scanner'); } else { $message = __('Plugin updated:', 'sucuri-scanner'); } $message .= "\x20" . @implode(',', $items_affected); self::reportWarningEvent($message); self::notifyEvent('plugin_updated', $message); } } } /** * Every time a post or page is deleted WordPress triggers an action called * delete_post, this action is caught by the event monitor. However, at this * point the page or post has already been deleted, which means we cannot * send enough information about the event to the API. To fix this, we will * also monitor the before_delete_post action which is triggered before the * post is deleted but after the user has executed the action. * * We will store some information related to the post in a temporary data * structure. Then, when the delete_post action is triggered we will extract * this informaiton to send it to the API. We will delete the temporary data * after the operation has succeeded. * * @param int $id The identifier of the post deleted. * @return void */ public static function hookPostBeforeDelete($id = 0) { $data = get_post($id); if (!$data) { return; } $out = array(); /* data to cache */ $cache = new SucuriScanCache('hookdata'); $out['id'] = $data->ID; $out['author'] = $data->post_author; $out['type'] = $data->post_type; $out['status'] = $data->post_status; $out['inserted'] = $data->post_date; $out['modified'] = $data->post_modified; $out['guid'] = $data->guid; $out['title'] = empty($data->post_title) ? '(empty)' : $data->post_title; $cache->add('post_' . $id, $out); } /** * Send an alert notifying that a post was deleted. * * @param int $id The identifier of the post deleted. * @return void */ public static function hookPostDelete($id = 0) { $pieces = array(); $cache = new SucuriScanCache('hookdata'); $data = $cache->get('post_' . $id); $data = $data ? $data : array('id' => $id); foreach ($data as $keyname => $value) { $pieces[] = sprintf('Post %s: %s', $keyname, $value); } $cache->delete('post_' . $id); $entries = implode(',', $pieces); /* merge all entries together */ self::reportWarningEvent(sprintf(__('Post deleted: (multiple entries): %s', 'sucuri-scanner'), $entries)); } /** * Sends an alert for transitions between post statuses. * * @param string $new New post status. * @param string $old Old post status. * @param mixed $post Post data. * @return void */ public static function hookPostStatus($new = '', $old = '', $post = null) { if (!property_exists($post, 'ID')) { return self::throwException(__('Ignore corrupted post data', 'sucuri-scanner')); } /* ignore; the same */ if ($old === $new) { return self::throwException(__('Skip events for equal transitions', 'sucuri-scanner')); } $post_type = 'post'; /* either post or page */ if (property_exists($post, 'post_type')) { $post_type = $post->post_type; } if ($post_type === 'postman_sent_mail') { /** * Stop infinite loop sending the email alerts. * * The plugin detects changes in the posts, there are some other * plugins that intercept PHPMailer and create a post object that is * later used to send the real message to the users. This object is * also detected by our plugin and is considered an additional event * that must be reported, so after the first execution the operation * falls into an infinite loop. * * @date 30 June, 2017 * @see https://wordpress.org/plugins/postman-smtp/ * @see https://wordpress.org/support/topic/unable-to-access-wordpress-dashboard-after-update-to-1-8-7/ */ return self::throwException(__('Skip events for postman-smtp alerts', 'sucuri-scanner')); } /* check if email alerts are disabled for this type */ if (SucuriScanOption::isIgnoredEvent($post_type)) { return self::throwException(__('Skip events for ignored post-types', 'sucuri-scanner')); } /* check if email alerts are disabled for this transition */ $custom_type = sprintf('from_%s_to_%s', $old, $new); if (SucuriScanOption::isIgnoredEvent($custom_type)) { return self::throwException(__('Skip events for ignored post transitions', 'sucuri-scanner')); } $pieces = array(); $post_type = ucwords($post_type); $pieces[] = sprintf(__('ID: %s', 'sucuri-scanner'), self::escape($post->ID)); $pieces[] = sprintf(__('Old status: %s', 'sucuri-scanner'), self::escape($old)); $pieces[] = sprintf(__('New status: %s', 'sucuri-scanner'), self::escape($new)); if (property_exists($post, 'post_title')) { $pieces[] = sprintf(__('Title: %s', 'sucuri-scanner'), self::escape($post->post_title)); } $message = sprintf(__('%s status has been changed', 'sucuri-scanner'), self::escape($post_type)); $message .= "; details:\x20"; $message .= implode(',', $pieces); self::reportNoticeEvent($message); self::notifyEvent('post_publication', $message); } /** * Send an alert notifying that a post was moved to the trash. * * @param int $id The identifier of the trashed post. * @return void */ public static function hookPostTrash($id = 0) { $title = __('Unknown', 'sucuri-scanner'); $status = 'none'; $data = get_post($id); if ($data) { $title = $data->post_title; $status = $data->post_status; } $message = sprintf( __('Post moved to trash; ID: %s; name: %s; status: %s', 'sucuri-scanner'), $id, $title, $status ); self::reportWarningEvent($message); } /** * Send an alert notifying that a post or page is created or updated. * * @param int $id The identifier of the post or page published. * @return void */ private static function hookPublish($id = 0) { $title = __('Unknown', 'sucuri-scanner'); $p_type = __('Publication', 'sucuri-scanner'); $action = 'published'; $data = get_post($id); if ($data) { $title = $data->post_title; $p_type = ucwords($data->post_type); $action = 'updated'; /* new posts have the same creation and modification dates */ if ($data->post_date === $data->post_modified) { $action = 'created'; } SucuriScanFirewall::clearCacheHook(); } $message = sprintf( __('%s was %s; ID: %s; name: %s', 'sucuri-scanner'), self::escape($p_type), self::escape($action), intval($id), self::escape($title) ); self::reportNoticeEvent($message); self::notifyEvent('post_publication', $message); } /** * Detects when a page is created or updated. * * @param int $id The identifier of the post or page published. * @return void */ public static function hookPublishPage($id = 0) { self::hookPublish($id); } /** * Detects when a post is created or updated via email. * * @param int $id The identifier of the post or page published. * @return void */ public static function hookPublishPhone($id = 0) { self::hookPublish($id); } /** * Detects when a post is created or updated. * * @param int $id The identifier of the post or page published. * @return void */ public static function hookPublishPost($id = 0) { self::hookPublish($id); } /** * Detects when a post is created or updated via XML-RPC. * * @param int $id The identifier of the post or page published. * @return void */ public static function hookPublishPostXMLRPC($id = 0) { self::hookPublish($id); } /** * Send an alert notifying that an attempt to retrieve the password * of an user account was tried. * * @param string $title The name of the user account involved in the trasaction. * @return void */ public static function hookRetrievePassword($title = '') { $title = empty($title) ? 'unknown' : $title; self::reportErrorEvent(sprintf(__('Password retrieval attempt: %s', 'sucuri-scanner'), $title)); } /** * Detects when a theme is deleted. * * @return void */ public static function hookThemeDelete() { // Theme deletion request. if (current_user_can('delete_themes') && SucuriScanRequest::getOrPost('action', 'delete') && SucuriScanRequest::getOrPost('stylesheet', '.+') && check_ajax_referer( 'updates', false, false ) ) { $theme = SucuriScanRequest::getOrPost('stylesheet', '.+'); $theme = $theme ? $theme : __('Unknown', 'sucuri-scanner'); $message = sprintf(__('Theme deleted: %s', 'sucuri-scanner'), self::escape($theme)); self::reportWarningEvent($message); self::notifyEvent('theme_deleted', $message); } } /** * Detects when the theme editor is used. * * @return void */ public static function hookThemeEditor() { // Theme editor request. if (current_user_can('edit_themes') && SucuriScanRequest::post('action', 'update') && SucuriScanRequest::post('theme', '.+') && SucuriScanRequest::post('file', '.+') && strpos($_SERVER['SCRIPT_NAME'], 'theme-editor.php') !== false && check_ajax_referer( 'updates', false, false ) ) { $theme_name = SucuriScanRequest::post('theme'); $filename = SucuriScanRequest::post('file'); $message = sprintf(__('Theme editor used in: %s/%s', 'sucuri-scanner'), SucuriScan::escape($theme_name), SucuriScan::escape($filename)); self::reportErrorEvent($message); self::notifyEvent('theme_editor', $message); } } /** * Detects when a theme is installed. * * @return void */ public static function hookThemeInstall() { // Theme installation request. if (current_user_can('install_themes') && SucuriScanRequest::get('action', 'install-theme') && check_ajax_referer( 'updates', false, false ) ) { $theme = SucuriScanRequest::get('theme', '.+'); $theme = $theme ? $theme : __('Unknown', 'sucuri-scanner'); $message = sprintf(__('Theme installed: %s', 'sucuri-scanner'), self::escape($theme)); self::reportWarningEvent($message); self::notifyEvent('theme_installed', $message); } } /** * Send an alert notifying that the theme of the site was changed. * * @param string $title The name of the new theme selected to used through out the site. * @return void */ public static function hookThemeSwitch($title = '') { $title = empty($title) ? 'unknown' : $title; $message = sprintf(__('Theme activated: %s', 'sucuri-scanner'), $title); self::reportWarningEvent($message); self::notifyEvent('theme_activated', $message); } /** * Detects when a theme is automatically or manually updated. * * @return void */ public static function hookThemeUpdate() { // Theme update request. if (current_user_can('update_themes') && SucuriScanRequest::get('action', '(upgrade-theme|do-theme-upgrade)') && SucuriScanRequest::post('checked', '_array') && check_ajax_referer( 'updates', false, false ) ) { $themes = SucuriScanRequest::post('checked', '_array'); $items_affected = array(); foreach ((array) $themes as $theme) { $theme_info = wp_get_theme($theme); $theme_name = ucwords($theme); $theme_version = '0.0'; if ($theme_info->exists()) { $theme_name = $theme_info->get('Name'); $theme_version = $theme_info->get('Version'); } $items_affected[] = sprintf( '%s (v%s; %s)', self::escape($theme_name), self::escape($theme_version), self::escape($theme) ); } // Report updated themes at once. if (is_array($items_affected) && !empty($items_affected)) { if (count($items_affected) > 1) { $message = __('Themes updated: (multiple entries):', 'sucuri-scanner'); } else { $message = __('Theme updated:', 'sucuri-scanner'); } $message .= "\x20" . implode(',', $items_affected); self::reportWarningEvent($message); self::notifyEvent('theme_updated', $message); } } } /** * Send an alert notifying that a user account was deleted. * * @param int $id The identifier of the user account deleted. * @return void */ public static function hookUserDelete($id = 0) { self::reportWarningEvent(sprintf(__('User account deleted; ID: %d', 'sucuri-scanner'), $id)); } /** * Send an alert notifying that a user was edited. * @param int $id The identifier of the edited user account * @param object $old_user_data Object containing user's data prior to update. */ public static function hookProfileUpdate($id = 0, $old_user_data = false) { $title = __('unknown', 'sucuri-scanner'); $email = __('user@domain.com', 'sucuri-scanner'); $roles = 'none'; $data = get_userdata($id); if ($data) { $title = $data->user_login; $email = $data->user_email; $roles = @implode(', ', $data->roles); } $old_title = __('unknown', 'sucuri-scanner'); $old_email = __('user@domain.com', 'sucuri-scanner'); $old_roles = 'none'; if($old_user_data) { $old_title = $old_user_data->user_login; $old_email = $old_user_data->user_email; $old_roles = @implode(', ', $old_user_data->roles); } $message = sprintf(__('User account edited; ID: %s; name: %s; old_name: %s; email: %s; old_email: %s; roles: %s; old_roles: %s', 'sucuri-scanner'), $id, $title, $old_title, $email, $old_email, $roles, $old_roles ); self::reportWarningEvent($message); } /** * Send an alert notifying that a new user account was created. * * @param int $id The identifier of the new user account created. * @return void */ public static function hookUserRegister($id = 0) { $title = __('unknown', 'sucuri-scanner'); $email = __('user@domain.com', 'sucuri-scanner'); $roles = 'none'; $data = get_userdata($id); if ($data) { $title = $data->user_login; $email = $data->user_email; $roles = @implode(', ', $data->roles); } $message = sprintf( __('User account created; ID: %s; name: %s; email: %s; roles: %s', 'sucuri-scanner'), $id, $title, $email, $roles ); self::reportWarningEvent($message); self::notifyEvent('user_registration', $message); } /** * Detects when a widget is added. * * @return void */ public static function hookWidgetAdd() { self::hookWidgetChanges(); } /** * Detects when a widget is added or deleted * * @return void */ private static function hookWidgetChanges() { // Widget addition or deletion. if (current_user_can('edit_theme_options') && SucuriScanRequest::post('action', 'save-widget') && SucuriScanRequest::post('id_base') !== false && SucuriScanRequest::post('sidebar') !== false && check_ajax_referer( 'save-sidebar-widgets', 'savewidgets', false ) ) { if (SucuriScanRequest::post('delete_widget', '1')) { $action_d = 'deleted'; $action_text = 'deleted from'; } else { $action_d = 'added'; $action_text = 'added to'; } $message = sprintf( __('Widget %s (%s) %s %s (#%d; size %dx%d)', 'sucuri-scanner'), SucuriScanRequest::post('id_base'), SucuriScanRequest::post('widget-id'), $action_text, SucuriScanRequest::post('sidebar'), SucuriScanRequest::post('widget_number'), SucuriScanRequest::post('widget-width'), SucuriScanRequest::post('widget-height') ); self::reportWarningEvent($message); self::notifyEvent('widget_' . $action_d, $message); } } /** * Detects when a widget is deleted. * * @return void */ public static function hookWidgetDelete() { self::hookWidgetChanges(); } } index.html 0000604 00000000046 14717775511 0006554 0 ustar 00 <!-- Avoid the directory listing. --> installer-skin-legacy.lib.php 0000604 00000003121 14717775511 0012233 0 ustar 00 <?php /** * Code related to the installer-skin.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Plugin Installer Skin for WordPress Plugin Installer before WP 5.3. * * This is used by the post-hack utility to disregard the installation * process when the website owner decides to reset one or more plugins. * Without this WordPress will flush the buffer of the re-installation * process immediately and we will not be able to disregard these logs * after the operation has finished. * * @codeCoverageIgnore * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanPluginInstallerSkin extends Plugin_Installer_Skin { /** * Reports the progress of the plugin installation. * * @param string $string Message to display in administration message. * * @return void */ public function feedback($string) { /* do not do anything */ } } installer-skin.lib.php 0000604 00000004550 14717775511 0011000 0 ustar 00 <?php /** * Code related to the installer-skin.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } if (class_exists('SucuriScanInterface') && class_exists('SucuriScanRequest')) { if (SucuriScanRequest::post('form_action') == 'reset_plugin') { include_once ABSPATH . '/wp-admin/includes/class-wp-upgrader.php'; include_once ABSPATH . '/wp-admin/includes/plugin-install.php'; if (version_compare(SucuriScan::siteVersion(), '5.3', '<')) { include_once 'installer-skin-legacy.lib.php'; return; } /** * Plugin Installer Skin for WordPress Plugin Installer. * * This is used by the post-hack utility to disregard the installation * process when the website owner decides to reset one or more plugins. * Without this WordPress will flush the buffer of the re-installation * process immediately and we will not be able to disregard these logs * after the operation has finished. * * @codeCoverageIgnore * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanPluginInstallerSkin extends Plugin_Installer_Skin { /** * Reports the progress of the plugin installation. * * @param string $string Message to display in administration message. * @param mixed ...$args Optional text replacements. * * @return void */ public function feedback($string, ...$args) { /* do not do anything */ } } } } integrity.lib.php 0000604 00000071572 14717775511 0010067 0 ustar 00 <?php /** * Code related to the integrity.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Checks the integrity of the WordPress installation. * * This tool finds changes in the standard WordPress installation. Files located * in the root directory, wp-admin and wp-includes will be compared against the * files distributed with the current WordPress version; all files with * inconsistencies will be listed here. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanIntegrity { /** * Compare the md5sum of the core files in the current site with the hashes hosted * remotely in Sucuri servers. These hashes are updated every time a new version * of WordPress is released. If the "Send Email" parameter is set the method will * send a notification to the administrator with a list of files that were added, * modified and/or deleted so far. * * @return string HTML code with a list of files that were affected. */ public static function pageIntegrity() { $params = array(); self::pageIntegritySubmission(); return SucuriScanTemplate::getSection('integrity', $params); } /** * Returns a JSON-encoded object with the WordPress integrity status. * * The plugin gets the checksum of all the files installed in the server that * are also part of a normal WordPress package. Then, it communicates with * a WordPress API service to retrieve the official checksums of the files * distributed with the package with the same version installed in the site. * * For any file found in the site that is not part of a normal installation * the plugin will report it as ADDED, for any file that is missing from the * installation but part of the official WordPress package, the plugin will * report it as DELETED, and for every file found in the site that is also * part of a normal installation, it will report it as MODIFIED if there are * differences in their checksums. * * @codeCoverageIgnore - Notice that there is a test case that covers this * code, but since the WP-Send-JSON method uses die() to stop any further * output it means that XDebug cannot cover the next line, leaving a report * with a missing line in the coverage. Since the test case takes care of * the functionality of this code we will assume that it is fully covered. * * @return void */ public static function ajaxIntegrity() { if (SucuriScanRequest::post('form_action') !== 'check_wordpress_integrity') { return; } wp_send_json(self::getIntegrityStatus(), 200); } /** * Mark as fixed, restore or delete flagged integrity files. * * Process the HTTP requests sent by the form submissions originated in the * integrity page, all forms must have a nonce field that will be checked * against the one generated in the template render function. * * @return void */ private static function pageIntegritySubmission() { /* restore, remove, mark as fixed the core files */ $action = SucuriScanRequest::post(':integrity_action'); if ($action === false || !SucuriScanInterface::checkNonce()) { return; /* skip if the action or nonce is invalid */ } /* skip if the user didn't confirm the operation */ if (SucuriScanRequest::post(':process_form') != 1) { return SucuriScanInterface::error(__('You need to confirm that you understand the risk of this operation.', 'sucuri-scanner')); } /* skip if the requested action is not currently supported */ if ($action !== 'fixed' && $action !== 'delete' && $action !== 'restore') { return SucuriScanInterface::error(__('Requested action is not supported.', 'sucuri-scanner')); } /* process the HTTP request */ $cache = new SucuriScanCache('integrity'); $core_files = SucuriScanRequest::post(':integrity', '_array'); $files_selected = count($core_files); $files_affected = array(); $files_processed = 0; $action_titles = array( 'restore' => __('Core file restored', 'sucuri-scanner'), 'delete' => __('Non-core file deleted', 'sucuri-scanner'), 'fixed' => __('Core file marked as fixed', 'sucuri-scanner'), ); /* skip if no files were selected */ if (!$core_files) { return SucuriScanInterface::error(__('Nothing was selected from the list.', 'sucuri-scanner')); } /* process files until the maximum execution time is reached */ $startTime = microtime(true); $displayTimeoutAlert = false; $maxtime = (int)SucuriScan::iniGet('max_execution_time'); $timeout = ($maxtime > 1) ? ($maxtime - 6) : 30; foreach ((array)$core_files as $file_meta) { if (strpos($file_meta, '@') === false) { continue; } /* avoid gateway timeout; max execution time */ $elapsedTime = (microtime(true) - $startTime); if ($elapsedTime >= $timeout) { $displayTimeoutAlert = true; break; } @list($status_type, $file_path) = explode('@', $file_meta, 2); if (!$file_path || !$status_type) { continue; } $full_path = ABSPATH . '/' . $file_path; if ($action === 'fixed' && ($status_type === 'added' || $status_type === 'removed' || $status_type === 'modified')) { $cache_key = md5($file_path); $cache_value = array( 'file_path' => $file_path, 'file_status' => $status_type, 'ignored_at' => time(), ); if ($cache->add($cache_key, $cache_value)) { $files_affected[] = $full_path; $files_processed++; } continue; } if ($action === 'restore' && ($status_type === 'removed' || $status_type === 'modified')) { $content = SucuriScanAPI::getOriginalCoreFile($file_path); if ($content) { $basedir = dirname($full_path); if (!file_exists($basedir)) { @mkdir($basedir, 0755, true); } if (@file_put_contents($full_path, $content)) { $files_affected[] = $full_path; $files_processed++; } } continue; } if ($action === 'delete' && $status_type === 'added') { if (@unlink($full_path)) { $files_affected[] = $full_path; $files_processed++; } continue; } } /* report files affected as a single event */ if (!empty($files_affected)) { $message = $action_titles[$action] . ':'; $message .= count($files_affected) > 1 ? "\x20(multiple entries):\x20" : ''; $message .= @implode(',', $files_affected); switch ($action) { case 'restore': SucuriScanEvent::reportInfoEvent($message); break; case 'delete': SucuriScanEvent::reportNoticeEvent($message); break; case 'fixed': SucuriScanEvent::reportWarningEvent($message); break; } } if ($displayTimeoutAlert) { SucuriScanInterface::error(__('Server is not fast enough to process this action; maximum execution time reached', 'sucuri-scanner')); } if ($files_processed != $files_selected) { return SucuriScanInterface::error( sprintf( __('Only <b>%d</b> out of <b>%d</b> files were processed.', 'sucuri-scanner'), $files_processed, $files_selected ) ); } return SucuriScanInterface::info( sprintf( __('<b>%d</b> out of <b>%d</b> files were successfully processed.', 'sucuri-scanner'), $files_processed, $files_selected ) ); } public static function getTotalAffectedFiles($latest_hashes, $ignored_files) { $affected_files = 0; if ($latest_hashes) { foreach ($latest_hashes as $list_type => $file_list) { if ($list_type == 'stable' || empty($file_list)) { continue; } foreach ($file_list as $file_info) { $file_path = $file_info['filepath']; if ($ignored_files /* skip files marked as fixed */ && array_key_exists(md5($file_path), $ignored_files) ) { continue; } $affected_files += 1; } } } return $affected_files; } /** * Checks if the WordPress integrity is correct or not. * * For any file found in the site that is not part of a normal installation * the plugin will report it as ADDED, for any file that is missing from the * installation but part of the official WordPress package, the plugin will * report it as DELETED, and for every file found in the site that is also * part of a normal installation, it will report it as MODIFIED if there are * differences in their checksums. * * The website owner will receive an email alert with this information. * * @param bool $send_email Send an email alert to the admins. * @return string|bool HTML with information about the integrity. */ public static function getIntegrityStatus($send_email = false) { $params = array(); /* initialize the values for the pagination */ $maxPerPage = SUCURISCAN_INTEGRITY_FILES_PER_PAGE; $pageNumber = SucuriScanTemplate::pageNumber(); if (isset($_POST['files_per_page'])) { $filesPerPage = intval(SucuriScanRequest::post('files_per_page')); if ($filesPerPage > 0) { $maxPerPage = $filesPerPage; } } $params['Version'] = SucuriScan::siteVersion(); $params['Integrity.List'] = ''; $params['Integrity.ListCount'] = 0; $params['Integrity.RemoteChecksumsURL'] = ''; $params['Integrity.BadVisibility'] = 'hidden'; $params['Integrity.GoodVisibility'] = 'hidden'; $params['Integrity.FailureVisibility'] = 'visible'; $params['Integrity.FalsePositivesVisibility'] = 'hidden'; $params['Integrity.DiffUtility'] = ''; $params['Integrity.Pagination'] = ''; $params['Integrity.PaginationVisibility'] = 'hidden'; $params['Integrity.Items'] = ''; $itemsToLoad = array( 15, 50, 200, 1000 ); foreach ($itemsToLoad as $items) { $params['Integrity.Items'] .= sprintf('<option value="%s">%s</option>', $items, ucfirst($items)); } // Check if there are added, removed, or modified files. $cache = new SucuriScanCache('integrity'); $ignored_files = $cache->getAll(); $latest_hashes = self::checkIntegrityIntegrity(); $affected_files = self::getTotalAffectedFiles($latest_hashes, $ignored_files); $params['Integrity.RemoteChecksumsURL'] = SucuriScanAPI::checksumAPI(); if ($latest_hashes) { $counter = 0; $processed_files = 0; $params['Integrity.BadVisibility'] = 'hidden'; $params['Integrity.GoodVisibility'] = 'visible'; $params['Integrity.FailureVisibility'] = 'hidden'; $iterator_start = ($pageNumber - 1) * $maxPerPage; foreach ($latest_hashes as $list_type => $file_list) { if ($list_type == 'stable' || empty($file_list)) { continue; } foreach ($file_list as $file_info) { $file_path = $file_info['filepath']; $full_filepath = sprintf('%s/%s', rtrim(ABSPATH, '/'), $file_path); if ($ignored_files /* skip files marked as fixed */ && array_key_exists(md5($file_path), $ignored_files) ) { $params['Integrity.FalsePositivesVisibility'] = 'visible'; continue; } // Pagination conditions if ($counter < $iterator_start) { $counter++; continue; } if ($processed_files >= $maxPerPage) { break; } // Add extra information to the file list. $file_size = @filesize($full_filepath); $file_size_human = ''; /* empty */ /* error message if the file cannot be fixed */ $error = ''; $visibility = 'hidden'; if ($file_info['is_fixable'] !== true) { $visibility = 'visible'; if ($list_type === 'added') { $error = __('The plugin has no permission to delete this file because it was created by a different system user who has more privileges than your account. Please use FTP to delete it.', 'sucuri-scanner'); } elseif ($list_type === 'modified') { $error = __('The plugin has no permission to restore this file because it was modified by a different system user who has more privileges than your account. Please use FTP to restore it.', 'sucuri-scanner'); } elseif ($list_type === 'removed') { $error = __('The plugin has no permission to restore this file because its directory is owned by a different system user who has more privileges than your account. Please use FTP to restore it.', 'sucuri-scanner'); } } // Pretty-print the file size in human-readable form. if ($file_size !== false) { $file_size_human = SucuriScan::humanFileSize($file_size); } $modified_at = $file_info['modified_at'] ? SucuriScan::datetime($file_info['modified_at']) : ''; // Generate the HTML code from the snippet template for this file. $params['Integrity.List'] .= SucuriScanTemplate::getSnippet( 'integrity-incorrect', array( 'Integrity.StatusType' => $list_type, 'Integrity.FilePath' => $file_path, 'Integrity.FileSize' => $file_size, 'Integrity.FileSizeHuman' => $file_size_human, 'Integrity.FileSizeNumber' => number_format($file_size), 'Integrity.ModifiedAt' => $modified_at, 'Integrity.ErrorVisibility' => $visibility, 'Integrity.ErrorMessage' => $error, ) ); $processed_files++; $counter++; } } if ($counter > 0) { $params['Integrity.ListCount'] = $affected_files; $params['Integrity.BadVisibility'] = 'visible'; $params['Integrity.GoodVisibility'] = 'hidden'; } } if ($send_email === true) { if ($affected_files > 0) { return SucuriScanEvent::notifyEvent( 'scan_checksums', /* send alert with a list of affected files */ SucuriScanTemplate::getSection('integrity-notification', $params) ); } return false; } ob_start(); $details = SucuriScanSiteCheck::details(); $errors = ob_get_clean(); /* capture possible errors */ $params['SiteCheck.Details'] = empty($errors) ? $details : '<br>' . $errors; $params['Integrity.DiffUtility'] = SucuriScanIntegrity::diffUtility(); if ($affected_files > 1) { $maxpages = ceil($affected_files / $maxPerPage); if ($maxpages > 1) { $params['Integrity.PaginationVisibility'] = 'visible'; $params['Integrity.Pagination'] = SucuriScanTemplate::pagination( SucuriScanTemplate::getUrl(), $affected_files, $maxPerPage ); } } $params['Integrity.Items'] = str_replace('option value="' . $maxPerPage . '"', 'option value="' . $maxPerPage . '" selected', $params['Integrity.Items']); $template = ($affected_files === 0) ? 'correct' : 'incorrect'; return SucuriScanTemplate::getSection('integrity-' . $template, $params); } /** * Setups the page to allow the execution of the diff utility. * * This method will write the modal window and the JavaScript code that will * allow the admin to send an Ajax request to inspect the difference between * a file that is currently installed in the website and the original code * distributed with the official WordPress package. * * @return string HTML and JavaScript code for the diff utility. */ public static function diffUtility() { if (!SucuriScanOption::isEnabled(':diff_utility')) { return ''; /* empty page */ } $params = array(); $params['DiffUtility.Modal'] = SucuriScanTemplate::getModal( 'none', array( 'Title' => __('WordPress Integrity Diff Utility', 'sucuri-scanner'), 'Content' => '' /* empty */, 'Identifier' => 'diff-utility', 'Visibility' => 'hidden', ) ); return SucuriScanTemplate::getSection('integrity-diff-utility', $params); } /** * Returns the output of the diff utility. * * Some errors will be reported if the admin requests to see the differences * in a file that is not part of the official WordPress distribution. Also, * if the file does not exists it will be useless to see the differences * because obviously the content of the file will all be missing. The plugin * will thrown an exception in this case too. * * @codeCoverageIgnore - Notice that there is a test case that covers this * code, but since the WP-Send-JSON method uses die() to stop any further * output it means that XDebug cannot cover the next line, leaving a report * with a missing line in the coverage. Since the test case takes care of * the functionality of this code we will assume that it is fully covered. * * @return void */ public static function ajaxIntegrityDiffUtility() { if (SucuriScanRequest::post('form_action') !== 'integrity_diff_utility') { return; } ob_start(); $filename = SucuriScanRequest::post('filepath'); echo SucuriScanCommand::diffHTML($filename); $response = ob_get_clean(); wp_send_json($response, 200); } /** * Retrieve a list of md5sum and last modification time of all the files in the * folder specified. This is a recursive function. * * @param string $dir The base path where the scanning will start. * @param bool $recursive Either TRUE or FALSE if the scan should be performed recursively. * @return array List of arrays containing the md5sum and last modification time of the files found. */ private static function integrityTree($dir = './', $recursive = false) { $file_info = new SucuriScanFileInfo(); $file_info->ignore_files = false; $file_info->ignore_directories = false; $file_info->run_recursively = $recursive; $tree = $file_info->getDirectoryTreeMd5($dir, true); return !$tree ? array() : $tree; } /** * Check whether the core WordPress files where modified, removed or if any file * was added to the core folders. This method returns an associative array with * these keys: * * <ul> * <li>modified: Files with a different checksum according to the official WordPress archives,</li> * <li>stable: Files with the same checksums as the official files,</li> * <li>removed: Official files which are not present in the local project,</li> * <li>added: Files present in the local project but not in the official WordPress packages.</li> * </ul> * * @return array|bool Associative array with these keys: modified, stable, removed, added. */ private static function checkIntegrityIntegrity() { $base_content_dir = ''; $latest_hashes = SucuriScanAPI::getOfficialChecksums(); if (defined('WP_CONTENT_DIR')) { $base_content_dir = basename(rtrim(WP_CONTENT_DIR, '/')); } // @codeCoverageIgnoreStart if (!$latest_hashes) { return false; } // @codeCoverageIgnoreEnd $output = array( 'added' => array(), 'removed' => array(), 'modified' => array(), 'stable' => array(), ); // Get current filesystem tree. $wp_top_hashes = self::integrityTree(ABSPATH, false); $wp_admin_hashes = self::integrityTree(ABSPATH . 'wp-admin', true); $wp_includes_hashes = self::integrityTree(ABSPATH . 'wp-includes', true); $wp_core_hashes = array_merge($wp_top_hashes, $wp_admin_hashes, $wp_includes_hashes); $checksumAlgorithm = SucuriScanAPI::checksumAlgorithm(); // Compare remote and local checksums and search removed files. foreach ($latest_hashes as $file_path => $remote) { if (self::ignoreIntegrityFilepath($file_path)) { continue; } $full_filepath = sprintf('%s/%s', ABSPATH, $file_path); // @codeCoverageIgnoreStart if (!file_exists($full_filepath) && defined('WP_CONTENT_DIR') && strpos($file_path, 'wp-content') !== false ) { /* patch for custom content directory path */ $file_path = str_replace('wp-content', $base_content_dir, $file_path); $dir_content_dir = dirname(rtrim(WP_CONTENT_DIR, '/')); $full_filepath = sprintf('%s/%s', $dir_content_dir, $file_path); } // @codeCoverageIgnoreEnd // Check whether the official file exists or not. if (file_exists($full_filepath)) { /* skip folders; cannot calculate a hash easily */ if (is_dir($full_filepath)) { $output['stable'][] = array( 'filepath' => $file_path, 'is_fixable' => false, 'modified_at' => 0, ); continue; } $local = SucuriScanAPI::checksum($checksumAlgorithm, $full_filepath); if ($local !== false && $local === $remote) { $output['stable'][] = array( 'filepath' => $file_path, 'is_fixable' => false, 'modified_at' => 0, ); } else { $modified_at = @filemtime($full_filepath); $is_fixable = (bool)is_writable($full_filepath); $output['modified'][] = array( 'filepath' => $file_path, 'is_fixable' => $is_fixable, 'modified_at' => $modified_at, ); } } else { $is_fixable = is_writable(dirname($full_filepath)); $output['removed'][] = array( 'filepath' => $file_path, 'is_fixable' => $is_fixable, 'modified_at' => 0, ); } } // Search added files (files not common in a normal wordpress installation). foreach ($wp_core_hashes as $file_path => $extra_info) { $file_path = str_replace(DIRECTORY_SEPARATOR, '/', $file_path); $file_path = @preg_replace('/^\.\/(.*)/', '$1', $file_path); if (self::ignoreIntegrityFilepath($file_path)) { continue; } if (!array_key_exists($file_path, $latest_hashes)) { $full_filepath = ABSPATH . '/' . $file_path; $modified_at = @filemtime($full_filepath); $is_fixable = (bool)is_writable($full_filepath); $output['added'][] = array( 'filepath' => $file_path, 'is_fixable' => $is_fixable, 'modified_at' => $modified_at, ); } } sort($output['added']); sort($output['removed']); sort($output['modified']); return $output; } /** * Ignore irrelevant files and directories from the integrity checking. * * @param string $path File path that will be compared. * @return bool True if the file should be ignored, false otherwise. */ private static function ignoreIntegrityFilepath($path = '') { $irrelevant = array( 'php.ini', '.htaccess', '.htpasswd', '.ftpquota', 'wp-includes/.htaccess', 'wp-admin/setup-config.php', 'wp-tests-config.php', 'wp-config.php', 'sitemap.xml', 'sitemap.xml.gz', 'readme.html', 'error_log', 'wp-pass.php', 'wp-rss.php', 'wp-feed.php', 'wp-register.php', 'wp-atom.php', 'wp-commentsrss2.php', 'wp-rss2.php', 'wp-rdf.php', '404.php', '503.php', '500.php', '500.shtml', '400.shtml', '401.shtml', '402.shtml', '403.shtml', '404.shtml', '405.shtml', '406.shtml', '407.shtml', '408.shtml', '409.shtml', 'healthcheck.html', ); /** * Ignore i18n files. * * Sites with i18n have differences compared with the official English * version of the project, basically they have files with new variables * specifying the language that will be used in the admin panel, site * options, and emails. */ if (@$GLOBALS['wp_local_package'] != 'en_US') { $irrelevant[] = 'wp-includes/version.php'; $irrelevant[] = 'wp-config-sample.php'; } if (in_array($path, $irrelevant)) { return true; } /* use regular expressions */ $ignore = false; $irrelevant = array( '^sucuri_[0-9a-z\-]+\.php$', '^sucuri-[0-9a-z\-]+\.php$', '^\S+-sucuri-db-dump-gzip-[0-9]{10}-[0-9a-z]{32}\.gz$', '^\.sucuri-sss-resume-[0-9a-z]{32}\.php$', '^([^\/]*)\.(pdf|css|txt|jpg|gif|png|jpeg)$', '^wp-content\/(themes|plugins)\/.+', '^google[0-9a-z]{16}\.html$', '^pinterest-[0-9a-z]{5}\.html$', '^wp-content\/languages\/.+\.mo$', '^wp-content\/languages\/.+\.po$', '^wp-content\/languages\/.+\.json$', '\.ico$', ); foreach ($irrelevant as $pattern) { if (@preg_match('/' . $pattern . '/', $path)) { $ignore = true; break; } } return $ignore; } } interface.lib.php 0000604 00000027731 14717775511 0010007 0 ustar 00 <?php /** * Code related to the interface.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Plugin initializer. * * Define all the required variables, script, styles, and basic functions needed * when the site is loaded, not even the administrator panel but also the front * page, some bug-fixes will/are applied here for sites behind a proxy, and * sites with old versions of the premium plugin (deprecated on July, 2014). * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanInterface { /** * Initialization code for the plugin. * * @return void */ public static function initialize() { SucuriScanEvent::installScheduledTask(); if (SucuriScan::supportReverseProxy() || SucuriScan::isBehindFirewall()) { $_SERVER['SUCURIREAL_REMOTE_ADDR'] = $_SERVER['REMOTE_ADDR']; $_SERVER['REMOTE_ADDR'] = SucuriScan::getRemoteAddr(); } } /** * Define which javascript and css files will be loaded in the header of the * plugin pages, only when the administrator panel is accessed. * * @return void */ public static function enqueueScripts() { wp_register_style( 'sucuriscan', SUCURISCAN_URL . '/inc/css/styles.css', array(/* empty */), SucuriScan::fileVersion('inc/css/styles.css') ); wp_enqueue_style('sucuriscan'); wp_register_script( 'sucuriscan', SUCURISCAN_URL . '/inc/js/scripts.js', array(/* empty */), SucuriScan::fileVersion('inc/js/scripts.js') ); wp_enqueue_script('sucuriscan'); if (SucuriScanRequest::get('page', 'sucuriscan_firewall') !== false) { wp_register_style( 'sucuriscan2', SUCURISCAN_URL . '/inc/css/flags.min.css', array(/* empty */), SucuriScan::fileVersion('inc/css/flags.min.css') ); wp_enqueue_style('sucuriscan2'); } } /** * Remove the old Sucuri plugins. * * Considering that in the new version (after 1.6.0) all the functionality * of the others will be merged here, this will remove duplicated code, * duplicated bugs and/or duplicated maintenance reports allowing us to * focus in one unique project. * * @return void */ public static function handleOldPlugins() { // @codeCoverageIgnoreStart if (!class_exists('SucuriScanFileInfo')) { return; } // @codeCoverageIgnoreEnd $finfo = new SucuriScanFileInfo(); $finfo->ignore_files = false; $finfo->ignore_directories = false; $finfo->skip_directories = false; $finfo->run_recursively = true; $plugins = array( 'c3VjdXJpLXdwLXBsdWdpbi9zdWN1cmkucGhw', 'c3VjdXJpLWNsb3VkcHJveHktd2FmL2Nsb3VkcHJveHkucGhw', 'ZGVzc2t5LXNlY3VyaXR5L2Rlc3NreS1zZWN1cml0eS5waHA=', ); foreach ($plugins as $plugin) { $plugin = base64_decode($plugin); $plugin_directory = dirname(WP_PLUGIN_DIR . '/' . $plugin); if (file_exists($plugin_directory)) { if (is_plugin_active($plugin)) { // @codeCoverageIgnoreStart deactivate_plugins($plugin); // @codeCoverageIgnoreEnd } $finfo->removeDirectoryTree($plugin_directory); } } } /** * Create a folder in the WordPress upload directory where the plugin will * store all the temporal or dynamic information. * * @return void */ public static function createStorageFolder() { $directory = SucuriScan::dataStorePath(); if (!file_exists($directory)) { @mkdir($directory, 0755, true); } if (file_exists($directory)) { // Create last-logins datastore file. sucuriscan_lastlogins_datastore_exists(); // Create a htaccess file to deny access from all. if (!SucuriScanHardening::isHardened($directory)) { SucuriScanHardening::hardenDirectory($directory); } // Create an index.html to avoid directory listing. if (!file_exists($directory . '/index.html')) { @file_put_contents( $directory . '/index.html', '<!-- Prevent the directory listing. -->' ); } } } /** * Display alerts and execute pre-checks before every page. * * This method verifies if the visibility of the requested page is allowed * for the current user in session which usually needs to be granted admin * privileges to access the plugin's tools. It also checks if the required * SPL library is available and if the settings file is writable. * * @return void */ public static function startupChecks() { self::checkPageVisibility(); self::noticeAfterUpdate(); if (!SucuriScanFileInfo::isSplAvailable()) { /* display a warning when system dependencies are not met */ self::error(__('The plugin requires PHP 5 >= 5.3.0 - OR - PHP 7', 'sucuri-scanner')); } $filename = SucuriScanOption::optionsFilePath(); if (!is_writable($filename)) { self::error( sprintf( __('Storage is not writable: <code>%s</code>', 'sucuri-scanner'), $filename /* absolute path of the settings file */ ) ); } } /** * Do something if the plugin was updated. * * Check if an option exists with the version number of the plugin, if the * number is different than the number defined in the constant that comes * with this code then we can consider this as an update, in which case we * will execute certain actions and/or display some messages. * * @codeCoverageIgnore * * @return void */ public static function noticeAfterUpdate() { /* get version of the plugin that was previously installed */ $version = SucuriScanOption::getOption(':plugin_version'); /* use simple comparison to force type cast. */ if ($version == SUCURISCAN_VERSION) { return; } /* update the version number in the plugin settings. */ SucuriScanOption::updateOption(':plugin_version', SUCURISCAN_VERSION); /** * Invite website owner to subscribe to our security newsletter. * * For every fresh installation of the plugin we will send a one-time * email to the website owner with an invitation to subscribe to our * security related newsletter where they can learn about better security * practices and get alerts from public vulnerabilities disclosures. * * @date Featured added at - May 01, 2017 */ self::info(__('Do you want to get vulnerability disclosures? Subscribe to our newsletter <a href="http://sucuri.hs-sites.com/subscribe-to-security" target="_blank" rel="noopener">here</a>', 'sucuri-scanner')); } /** * Check whether a user has the permissions to see a page from the plugin. * * @codeCoverageIgnore * * @return void */ public static function checkPageVisibility() { if (!function_exists('current_user_can') || !current_user_can('manage_options')) { SucuriScan::throwException(__('Access denied; cannot manage options', 'sucuri-scanner')); wp_die(sprintf(__('Access denied by %s', 'sucuri-scanner'), SUCURISCAN_PLUGIN_NAME)); } } /** * Verify the nonce of the previous page after a form submission. If the * validation fails the execution of the script will be stopped and a dead page * will be printed to the client using the official WordPress method. * * @codeCoverageIgnore * * @return bool True if the nonce is valid, false otherwise. */ public static function checkNonce() { if (!empty($_POST)) { $nonce_name = 'sucuriscan_page_nonce'; $nonce_value = SucuriScanRequest::post($nonce_name, '_nonce'); if (!$nonce_value || !wp_verify_nonce($nonce_value, $nonce_name)) { SucuriScan::throwException(__('Nonce is invalid', 'sucuri-scanner')); self::error(__('WordPress CSRF verification failed. The submitted form is missing an important unique code that prevents the execution of automated malicious scanners. Go back and try again. If you did not submit a form, this error message could be an indication of an incompatibility between this plugin and another add-on; one of them is inserting data into the global POST variable when the HTTP request is coming via GET. Disable them one by one (while reloading this page) to find the culprit.', 'sucuri-scanner')); return false; } } return true; } /** * Prints a HTML alert in the WordPress admin interface. * * @codeCoverageIgnore * * @param string $type The type of alert, it can be either Updated or Error. * @param string $message The message that will be printed in the alert. * @return void */ private static function adminNotice($type = 'updated', $message = '') { $display_notice = true; /** * Do not render notice during user authentication. * * There are some special cases when the error or warning messages * should not be rendered to the end user because it may break the * default functionality of the request handler. For instance, rendering * an HTML alert like this when the user authentication process is * executed may cause a "headers already sent" error. */ if (!empty($_POST) && SucuriScanRequest::post('log') && SucuriScanRequest::post('pwd') && SucuriScanRequest::post('wp-submit') ) { $display_notice = false; } /* display the HTML notice to the current user */ if ($display_notice === true && !empty($message)) { $message = SUCURISCAN_ADMIN_NOTICE_PREFIX . "\x20" . $message; SucuriScan::throwException($message, $type); echo SucuriScanTemplate::getSection( 'notification-admin', array( 'AlertType' => $type, 'AlertUnique' => rand(100, 999), 'AlertMessage' => $message, ) ); } } /** * Prints a HTML alert of type ERROR in the WordPress admin interface. * * @param string $msg The message that will be printed in the alert. * @return void */ public static function error($msg = '') { self::adminNotice('error', $msg); return false; /* assume failure */ } /** * Prints a HTML alert of type INFO in the WordPress admin interface. * * @param string $msg The message that will be printed in the alert. * @return void */ public static function info($msg = '') { self::adminNotice('updated', $msg); return true; /* assume success */ } } lastlogins-failed.php 0000604 00000034503 14717775511 0010676 0 ustar 00 <?php /** * Code related to the lastlogins-failed.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Print a list with the failed logins occurred during the last hour. * * @return string A list with the failed logins occurred during the last hour. */ function sucuriscan_failed_logins_panel() { $template_variables = array( 'FailedLogins.List' => '', 'FailedLogins.Total' => '', 'FailedLogins.MaxFailedLogins' => 0, 'FailedLogins.NoItemsVisibility' => 'visible', 'FailedLogins.WarningVisibility' => 'visible', 'FailedLogins.PaginationLinks' => '', 'FailedLogins.PaginationVisibility' => 'hidden', ); // Define variables for the pagination. $page_number = SucuriScanTemplate::pageNumber(); $max_per_page = SUCURISCAN_MAX_PAGINATION_BUTTONS; $page_offset = ($page_number - 1) * $max_per_page; $page_limit = ($page_offset + $max_per_page); // Clear failed login logins when delete button is pressed. if (SucuriScanInterface::checkNonce() && SucuriScanRequest::post(':delete_failedlogins')) { SucuriScanEvent::clearLastLogs('sucuri-failedlogins.php'); } $max_failed_logins = SucuriScanOption::getOption(':maximum_failed_logins'); $notify_bruteforce_attack = SucuriScanOption::getOption(':notify_bruteforce_attack'); $failed_logins = sucuriscan_get_all_failed_logins($page_offset, $max_per_page); if ($failed_logins) { $counter = 0; for ($key = $page_offset; $key < $page_limit; $key++) { if (array_key_exists($key, $failed_logins['entries'])) { $login_data = $failed_logins['entries'][ $key ]; if (!is_array($login_data)) { continue; } $template_variables['FailedLogins.List'] .= SucuriScanTemplate::getSnippet( 'lastlogins-failedlogins', array( 'FailedLogins.Num' => $login_data['attempt_count'], 'FailedLogins.Username' => $login_data['user_login'], 'FailedLogins.RemoteAddr' => $login_data['remote_addr'], 'FailedLogins.UserAgent' => $login_data['user_agent'], 'FailedLogins.Datetime' => SucuriScan::datetime($login_data['attempt_time']), ) ); $counter++; } } if ($counter > 0) { $template_variables['FailedLogins.NoItemsVisibility'] = 'hidden'; } $template_variables['FailedLogins.PaginationLinks'] = SucuriScanTemplate::pagination( '%%SUCURI.URL.Lastlogins%%#failed', $failed_logins['count'], $max_per_page ); if ($failed_logins['count'] > $max_per_page) { $template_variables['FailedLogins.PaginationVisibility'] = 'visible'; } } $template_variables['FailedLogins.MaxFailedLogins'] = $max_failed_logins; if ($notify_bruteforce_attack == 'enabled') { $template_variables['FailedLogins.WarningVisibility'] = 'hidden'; } return SucuriScanTemplate::getSection('lastlogins-failedlogins', $template_variables); } /** * Find the full path of the file where the information of the failed logins * will be stored, it will be created automatically if does not exists (and if * the destination folder has permissions to write). This method can also be * used to reset the content of the datastore file. * * @see sucuriscan_reset_failed_logins() * * @param bool $get_old_logs Whether the old logs will be retrieved or not. * @param bool $reset Whether the file will be resetted or not. * @return string|false Absolute path to the file. */ function sucuriscan_failed_logins_datastore_path($get_old_logs = false, $reset = false) { $file_name = $get_old_logs ? 'sucuri-oldfailedlogins.php' : 'sucuri-failedlogins.php'; $datastore_path = SucuriScan::dataStorePath($file_name); $default_content = sucuriscan_failed_logins_default_content(); // Create the file if it does not exists. if (!file_exists($datastore_path) || $reset) { @file_put_contents($datastore_path, $default_content, LOCK_EX); } // Return the datastore path if the file exists (or was created). if (is_readable($datastore_path)) { return $datastore_path; } return false; } /** * Default content of the datastore file where the failed logins are being kept. * * @return string Default content of the file. */ function sucuriscan_failed_logins_default_content() { return "<?php exit(0); ?>\n"; } /** * Returns failed logins data including old entries. * * @param int $offset Initial index to start the array. * @param int $limit Number of items in the returned array. * @return array|false Failed logins data. */ function sucuriscan_get_all_failed_logins($offset = 0, $limit = -1) { $all = array(); $new = sucuriscan_get_failed_logins(); $old = sucuriscan_get_failed_logins(true, $offset, $limit); if ($new && $old) { // Merge the new and old failed logins. $all = array(); $all['first_attempt'] = $old['first_attempt']; $all['last_attempt'] = $new['last_attempt']; $all['count'] = $new['count'] + $old['count']; $all['diff_time'] = abs($all['last_attempt'] - $all['first_attempt']); $all['entries'] = array_merge($new['entries'], $old['entries']); return $all; } elseif ($new && !$old) { return $new; } elseif (!$new && $old) { return $old; } return false; } /** * Read and parse the content of the datastore file where the failed logins are * being kept. This method will also calculate the difference in time between * the first and last login attempt registered in the file to later decide if * there is a brute-force attack in progress (and send an email notification * with the report) or reset the file after considering it a normal behavior of * the site. * * @param bool $get_old_logs Whether the old logs will be retrieved or not. * @param int $offset Array index from where to start collecting the data. * @param int $limit Number of items to insert into the returned array. * @return array|false Information and entries gathered from the failed logins datastore file. */ function sucuriscan_get_failed_logins($get_old_logs = false, $offset = 0, $limit = -1) { $datastore_path = sucuriscan_failed_logins_datastore_path($get_old_logs); if (!$datastore_path) { return false; } $lines = SucuriScanFileInfo::fileLines($datastore_path); if (!$lines) { return false; } $failed_logins = array( 'count' => 0, 'first_attempt' => 0, 'last_attempt' => 0, 'diff_time' => 0, 'entries' => array(), ); // Read and parse all the entries found in the datastore file. $initial = count($lines) - 1; $processed = 0; // Start from the newest entry in the file. for ($key = $initial; $key >= 0; $key--) { $line = trim($lines[ $key ]); // Skip lines that are clearly not JSON-encoded. if (substr($line, 0, 1) !== '{') { continue; } // Reduce the memory allocation by skipping unnecessary lines (LEFT). if ($limit > 0 && $failed_logins['count'] < $offset) { $failed_logins['entries'][] = $line; $failed_logins['count'] += 1; continue; } // Reduce the memory allocation by skipping unnecessary lines (RIGHT). if ($limit > 0 && $processed > $limit) { $failed_logins['entries'][] = $line; $failed_logins['count'] += 1; continue; } // Decode data only if necessary. $login_data = @json_decode($line, true); $processed++; /* count decoded data */ if (is_array($login_data)) { $login_data['attempt_count'] = ( $key + 1 ); if (!$login_data['user_agent']) { $login_data['user_agent'] = __('Unknown', 'sucuri-scanner'); } if (!isset($login_data['user_password'])) { $login_data['user_password'] = ''; } $failed_logins['entries'][] = $login_data; $failed_logins['count'] += 1; } } // Stop if the there is no data. if ($failed_logins['count'] <= 0) { return false; } // Calculate the different time between the first and last attempt. $idx = abs($failed_logins['count'] - 1); $last = $failed_logins['entries'][$idx]; $first = $failed_logins['entries'][0]; if (!is_array($last)) { /* In case the JSON is not decoded yet */ $last = @json_decode($last, true); } if (!is_array($first)) { /* In case the JSON is not decoded yet */ $first = @json_decode($first, true); } $failed_logins['last_attempt'] = $last['attempt_time']; $failed_logins['first_attempt'] = $first['attempt_time']; $failed_logins['diff_time'] = abs($last['attempt_time'] - $first['attempt_time']); return $failed_logins; } /** * Add a new entry in the datastore file where the failed logins are being kept, * this entry will contain the username, timestamp of the login attempt, remote * address of the computer sending the request, and the user-agent. * * @param string $user_login Information from the current failed login event. * @return bool True if the information was saved, false otherwise. */ function sucuriscan_log_failed_login($user_login = '') { $storage = sucuriscan_failed_logins_datastore_path(); if (!$storage) { return false; } $login_data = json_encode( array( 'user_login' => $user_login, 'attempt_time' => time(), 'remote_addr' => SucuriScan::getRemoteAddr(), 'user_agent' => SucuriScan::getUserAgent(), ) ); return (bool) @file_put_contents( $storage, $login_data . "\n", FILE_APPEND ); } /** * Read and parse all the entries in the datastore file where the failed logins * are being kept, this will loop through all these items and generate a table * in HTML code to send as a report via email according to the plugin settings * for the email alerts. * * @param array $failed_logins Information gathered from the failed logins. * @return bool Whether the report was sent via email or not. */ function sucuriscan_report_failed_logins($failed_logins = array()) { if (!$failed_logins || !isset($failed_logins['count']) || $failed_logins['count'] < 1 ) { return false; } $mail_content = ''; $prettify_mails = SucuriScanMail::prettifyMails(); if ($prettify_mails) { $table_html = '<table border="1" cellspacing="0" cellpadding="0">'; // Add the table headers. $table_html .= '<thead>'; $table_html .= '<tr>'; $table_html .= '<th>' . __('Username', 'sucuri-scanner') . '</th>'; $table_html .= '<th>' . __('Password', 'sucuri-scanner') . '</th>'; $table_html .= '<th>' . __('IP Address', 'sucuri-scanner') . '</th>'; $table_html .= '<th>' . __('Attempt Timestamp', 'sucuri-scanner') . '</th>'; $table_html .= '<th>' . __('Attempt Date/Time', 'sucuri-scanner') . '</th>'; $table_html .= '</tr>'; $table_html .= '</thead>'; $table_html .= '<tbody>'; } foreach ($failed_logins['entries'] as $login_data) { $login_data['attempt_date'] = SucuriScan::datetime($login_data['attempt_time']); if ($prettify_mails) { $table_html .= '<tr>'; $table_html .= '<td>' . esc_attr($login_data['user_login']) . '</td>'; $table_html .= '<td>' . esc_attr($login_data['user_password']) . '</td>'; $table_html .= '<td>' . esc_attr($login_data['remote_addr']) . '</td>'; $table_html .= '<td>' . esc_attr($login_data['attempt_time']) . '</td>'; $table_html .= '<td>' . esc_attr($login_data['attempt_date']) . '</td>'; $table_html .= '</tr>'; } else { $mail_content .= "\n"; $mail_content .= __('Username', 'sucuri-scanner') . ":\x20" . $login_data['user_login'] . "\n"; $mail_content .= __('Password', 'sucuri-scanner') . ":\x20" . $login_data['user_password'] . "\n"; $mail_content .= __('IP Address', 'sucuri-scanner') . ":\x20" . $login_data['remote_addr'] . "\n"; $mail_content .= __('Attempt Timestamp', 'sucuri-scanner') . ":\x20" . $login_data['attempt_time'] . "\n"; $mail_content .= __('Attempt Date/Time', 'sucuri-scanner') . ":\x20" . $login_data['attempt_date'] . "\n"; } } if ($prettify_mails) { $table_html .= '</tbody>'; $table_html .= '</table>'; $mail_content = $table_html; } if (SucuriScanEvent::notifyEvent('bruteforce_attack', $mail_content)) { sucuriscan_reset_failed_logins(); return true; } return false; } /** * Remove all the entries in the datastore file where the failed logins are * being kept. The execution of this method will not delete the file (which is * likely the best move) but rather will clean its content and append the * default code defined by another method above. * * @return bool Whether the datastore file was resetted or not. */ function sucuriscan_reset_failed_logins() { $datastore_path = SucuriScan::dataStorePath('sucuri-failedlogins.php'); $datastore_backup_path = sucuriscan_failed_logins_datastore_path(true, false); $default_content = sucuriscan_failed_logins_default_content(); $current_content = @file_get_contents($datastore_path); $current_content = str_replace($default_content, '', $current_content); @file_put_contents( $datastore_backup_path, $current_content, FILE_APPEND ); return (bool) sucuriscan_failed_logins_datastore_path(false, true); } lastlogins-loggedin.php 0000604 00000017462 14717775511 0011247 0 ustar 00 <?php /** * Code related to the lastlogins-loggedin.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Print a list of all the registered users that are currently in session. * * @return string The HTML code displaying a list of all the users logged in at the moment. */ function sucuriscan_loggedin_users_panel() { // Get user logged in list. $params = array( 'LoggedInUsers.List' => '', 'LoggedInUsers.Total' => 0, ); $logged_in_users = sucuriscan_get_online_users(true); if (is_array($logged_in_users) && !empty($logged_in_users)) { $params['LoggedInUsers.Total'] = count($logged_in_users); foreach ((array) $logged_in_users as $logged_in_user) { $logged_in_user['last_activity_datetime'] = SucuriScan::datetime($logged_in_user['last_activity']); $logged_in_user['user_registered_datetime'] = SucuriScan::datetime(strtotime($logged_in_user['user_registered'])); $params['LoggedInUsers.List'] .= SucuriScanTemplate::getSnippet( 'lastlogins-loggedin', array( 'LoggedInUsers.Id' => $logged_in_user['user_id'], 'LoggedInUsers.UserURL' => SucuriScan::adminURL('user-edit.php?user_id=' . $logged_in_user['user_id']), 'LoggedInUsers.UserLogin' => $logged_in_user['user_login'], 'LoggedInUsers.UserEmail' => $logged_in_user['user_email'], 'LoggedInUsers.LastActivity' => $logged_in_user['last_activity_datetime'], 'LoggedInUsers.Registered' => $logged_in_user['user_registered_datetime'], 'LoggedInUsers.RemoteAddr' => $logged_in_user['remote_addr'], ) ); } } return SucuriScanTemplate::getSection('lastlogins-loggedin', $params); } /** * Get a list of all the registered users that are currently in session. * * @param bool $add_current_user Whether the current user should be added to the list or not. * @return array List of registered users currently in session. */ function sucuriscan_get_online_users($add_current_user = false) { $users = array(); if (SucuriScan::isMultiSite()) { $users = get_site_transient('sucuriscan_online_users'); } else { $users = get_transient('sucuriscan_online_users'); } // If not online users but current user is logged in, add it to the list. if (empty($users) && $add_current_user) { $current_user = wp_get_current_user(); if ($current_user->ID > 0) { sucuriscan_set_online_user($current_user->user_login, $current_user); return sucuriscan_get_online_users(); } } return $users; } /** * Update the list of the registered users currently in session. * * Useful when you are removing users and need the list of the remaining users. * * @param array $logged_in_users List of registered users currently in session. * @return bool Either TRUE or FALSE representing the success or fail of the operation. */ function sucuriscan_save_online_users($logged_in_users = array()) { $expiration = 30 * 60; if (SucuriScan::isMultiSite()) { return set_site_transient('sucuriscan_online_users', $logged_in_users, $expiration); } else { return set_transient('sucuriscan_online_users', $logged_in_users, $expiration); } } if (!function_exists('sucuriscan_unset_online_user_on_logout')) { /** * Remove a logged in user from the list. * * @return void */ function sucuriscan_unset_online_user_on_logout() { $remote_addr = SucuriScan::getRemoteAddr(); $current_user = wp_get_current_user(); $user_id = $current_user->ID; sucuriscan_unset_online_user($user_id, $remote_addr); } add_action('wp_logout', 'sucuriscan_unset_online_user_on_logout'); } /** * Remove a logged in user from the list of registered users in session using * the user identifier and the ip address of the last computer used to login. * * @param int $user_id User ID of the account that will be logged out. * @param string $remote_addr IP address of the computer where the user logged in. * @return bool True on success, false otherwise. */ function sucuriscan_unset_online_user($user_id = 0, $remote_addr = '') { $logged_in_users = sucuriscan_get_online_users(); // Remove the specified user identifier from the list. if (is_array($logged_in_users) && !empty($logged_in_users)) { foreach ($logged_in_users as $i => $user) { if ($user['user_id'] == $user_id && strcmp($user['remote_addr'], $remote_addr) == 0 ) { unset($logged_in_users[ $i ]); break; } } } return sucuriscan_save_online_users($logged_in_users); } if (!function_exists('sucuriscan_set_online_user')) { /** * Add an user account to the list of registered users in session. * * @param string $user_login The name of the user account that just logged in the site. * @param bool $user The WordPress object containing all the information associated to the user. * @return void */ function sucuriscan_set_online_user($user_login = '', $user = false) { if (!$user) { return; } /* get logged in user information */ $current_user = ($user instanceof WP_User) ? $user : wp_get_current_user(); $current_user_id = $current_user->ID; $remote_addr = SucuriScan::getRemoteAddr(); $current_time = current_time('timestamp'); $logged_in_users = sucuriscan_get_online_users(); /* build the dataset for the transient variable */ $current_user_info = array( 'user_id' => $current_user_id, 'user_login' => $current_user->user_login, 'user_email' => $current_user->user_email, 'user_registered' => $current_user->user_registered, 'last_activity' => $current_time, 'remote_addr' => $remote_addr, ); /* no previous data, no need to merge, override */ if (!is_array($logged_in_users) || empty($logged_in_users)) { $logged_in_users = array( $current_user_info ); sucuriscan_save_online_users($logged_in_users); return; } $item_index = 0; $do_nothing = false; $update_existing = false; /* update user metadata if the session already exists */ foreach ($logged_in_users as $i => $user) { if ($user['user_id'] == $current_user_id && strcmp($user['remote_addr'], $remote_addr) == 0 ) { if ($user['last_activity'] < ($current_time - (15 * 60))) { $update_existing = true; $item_index = $i; break; } else { $do_nothing = true; break; } } } if ($do_nothing) { return; } if ($update_existing) { $logged_in_users[ $item_index ] = $current_user_info; sucuriscan_save_online_users($logged_in_users); return; } $logged_in_users[] = $current_user_info; sucuriscan_save_online_users($logged_in_users); } add_action('wp_login', 'sucuriscan_set_online_user', 50, 2); } lastlogins.php 0000604 00000040242 14717775511 0007451 0 ustar 00 <?php /** * Code related to the lastlogins.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Placeholder for the last logins interface. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanLastLogins extends SucuriScan { } /** * List all the user administrator accounts. * * @see https://codex.wordpress.org/Class_Reference/WP_User_Query * * @return void */ function sucuriscan_lastlogins_admins() { // Page pseudo-variables initialization. $params = array( 'AdminUsers.List' => '', ); $user_query = new WP_User_Query(array('role' => 'Administrator')); $admins = $user_query->get_results(); foreach ((array) $admins as $admin) { $last_logins = sucuriscan_get_logins(5, 0, $admin->ID); $user_snippet = array( 'AdminUsers.Username' => $admin->user_login, 'AdminUsers.Email' => $admin->user_email, 'AdminUsers.LastLogins' => '', 'AdminUsers.RegisteredAt' => 'unknown', 'AdminUsers.UserURL' => SucuriScan::adminURL('user-edit.php?user_id=' . $admin->ID), 'AdminUsers.NoLastLogins' => 'visible', 'AdminUsers.NoLastLoginsTable' => 'hidden', ); if ($last_logins && isset($last_logins['entries']) && !empty($last_logins['entries']) ) { $user_snippet['AdminUsers.NoLastLogins'] = 'hidden'; $user_snippet['AdminUsers.NoLastLoginsTable'] = 'visible'; $user_snippet['AdminUsers.RegisteredAt'] = 'unknown'; foreach ($last_logins['entries'] as $i => $lastlogin) { if ($i === 0) { $user_snippet['AdminUsers.RegisteredAt'] = SucuriScan::datetime( $lastlogin['user_registered_timestamp'] ); } $user_snippet['AdminUsers.LastLogins'] .= SucuriScanTemplate::getSnippet( 'lastlogins-admins-lastlogin', array( 'AdminUsers.RemoteAddr' => $lastlogin['user_remoteaddr'], 'AdminUsers.Datetime' => SucuriScan::datetime($lastlogin['user_lastlogin_timestamp']), ) ); } } $params['AdminUsers.List'] .= SucuriScanTemplate::getSnippet('lastlogins-admins', $user_snippet); } return SucuriScanTemplate::getSection('lastlogins-admins', $params); } /** * List the last-logins for all user accounts in the site. * * This page will contains information of all the logins of the registered users. * * @return string Last-logings for all user accounts. */ function sucuriscan_lastlogins_all() { $max_per_page = SUCURISCAN_LASTLOGINS_USERSLIMIT; $page_number = SucuriScanTemplate::pageNumber(); $offset = ($max_per_page * $page_number) - $max_per_page; $params = array( 'UserList' => '', 'UserList.Limit' => $max_per_page, 'UserList.Total' => 0, 'UserList.Pagination' => '', 'UserList.PaginationVisibility' => 'hidden', 'UserList.NoItemsVisibility' => 'visible', ); // Clear last login logins when delete button is pressed. if (SucuriScanInterface::checkNonce() && SucuriScanRequest::post(':delete_lastlogins')) { SucuriScanEvent::clearLastLogs('sucuri-lastlogins.php'); } if (!sucuriscan_lastlogins_datastore_is_writable()) { $fpath = SucuriScan::escape(sucuriscan_lastlogins_datastore_filepath()); SucuriScanInterface::error(sprintf(__('Last-logins data file is not writable: <code>%s</code>', 'sucuri-scanner'), $fpath)); } $last_logins = sucuriscan_get_logins($max_per_page, $offset); if (is_array($last_logins) && !empty($last_logins)) { $params['UserList.Total'] = $last_logins['total']; if ($last_logins['total'] > $max_per_page) { $params['UserList.PaginationVisibility'] = 'visible'; } if ($last_logins['total'] > 0) { $params['UserList.NoItemsVisibility'] = 'hidden'; } foreach ($last_logins['entries'] as $user) { $user_dataset = array( 'UserList.Number' => $user['line_num'], 'UserList.UserId' => $user['user_id'], 'UserList.Username' => 'unknown', 'UserList.Displayname' => '', 'UserList.Email' => '', 'UserList.Registered' => '', 'UserList.RemoteAddr' => $user['user_remoteaddr'], 'UserList.Hostname' => $user['user_hostname'], 'UserList.Datetime' => SucuriScan::datetime($user['user_lastlogin_timestamp']), 'UserList.TimeAgo' => SucuriScan::humanTime($user['user_lastlogin_timestamp']), 'UserList.UserURL' => SucuriScan::adminURL('user-edit.php?user_id=' . $user['user_id']), ); if ($user['user_exists']) { $user_dataset['UserList.Username'] = $user['user_login']; $user_dataset['UserList.Displayname'] = $user['display_name']; $user_dataset['UserList.Email'] = $user['user_email']; $user_dataset['UserList.Registered'] = $user['user_registered']; } $params['UserList'] .= SucuriScanTemplate::getSnippet('lastlogins-all', $user_dataset); } // Generate the pagination for the list. $params['UserList.Pagination'] = SucuriScanTemplate::pagination( '%%SUCURI.URL.Lastlogins%%', $last_logins['total'], $max_per_page ); } return SucuriScanTemplate::getSection('lastlogins-all', $params); } /** * Get the filepath where the information of the last logins of all users is stored. * * @return string Absolute filepath where the user's last login information is stored. */ function sucuriscan_lastlogins_datastore_filepath() { return SucuriScan::dataStorePath('sucuri-lastlogins.php'); } /** * Check whether the user's last login datastore file exists or not, if not then * we try to create the file and check again the success of the operation. * * @return string|bool Path to the storage file if exists, false otherwise. */ function sucuriscan_lastlogins_datastore_exists() { $fpath = sucuriscan_lastlogins_datastore_filepath(); if (!file_exists($fpath)) { @file_put_contents($fpath, "<?php exit(0); ?>\n", LOCK_EX); } return file_exists($fpath) ? $fpath : false; } /** * Check whether the user's last login datastore file is writable or not, if not * we try to set the right permissions and check again the success of the operation. * * @return string|bool Path to the storage file if writable, false otherwise. */ function sucuriscan_lastlogins_datastore_is_writable() { $datastore_filepath = sucuriscan_lastlogins_datastore_exists(); if ($datastore_filepath) { if (!is_writable($datastore_filepath)) { @chmod($datastore_filepath, 0644); } if (is_writable($datastore_filepath)) { return $datastore_filepath; } } return false; } /** * Check whether the user's last login datastore file is readable or not, if not * we try to set the right permissions and check again the success of the operation. * * @return string|bool Path to the storage file if readable, false otherwise. */ function sucuriscan_lastlogins_datastore_is_readable() { $datastore_filepath = sucuriscan_lastlogins_datastore_exists(); if ($datastore_filepath && is_readable($datastore_filepath)) { return $datastore_filepath; } return false; } if (!function_exists('sucuriscan_set_lastlogin')) { /** * Add a new user session to the list of last user logins. * * @param string $user_login User account involved in the operation. * @return void */ function sucuriscan_set_lastlogin($user_login = '') { $filename = sucuriscan_lastlogins_datastore_is_writable(); if (!is_string($filename)) { return false; } $current_user = get_user_by('login', $user_login); $remote_addr = SucuriScan::getRemoteAddr(); $login_info = array( 'user_id' => $current_user->ID, 'user_login' => $current_user->user_login, 'user_remoteaddr' => $remote_addr, 'user_hostname' => @gethostbyaddr($remote_addr), 'user_lastlogin' => current_time('mysql') ); @file_put_contents( $filename, json_encode($login_info) . "\n", FILE_APPEND ); } add_action('wp_login', 'sucuriscan_set_lastlogin', 50); } /** * Retrieve the list of all the user logins from the datastore file. * * The results of this operation can be filtered by specific user identifiers, * or limiting the quantity of entries. * * @param int $limit How many entries will be returned from the operation. * @param int $offset Initial point where the logs will be start counting. * @param int $user_id Optional user identifier to filter the results. * @return array|bool All user logins, false on failure. */ function sucuriscan_get_logins($limit = 10, $offset = 0, $user_id = 0) { $limit = intval($limit); /* prevent arbitrary user input */ $datastore_filepath = sucuriscan_lastlogins_datastore_is_readable(); $last_logins = array( 'total' => 0, 'entries' => array(), ); if (!$datastore_filepath) { return SucuriScan::throwException(__('Invalid last-logins storage file', 'sucuri-scanner')); } $parsed_lines = 0; $data_lines = SucuriScanFileInfo::fileLines($datastore_filepath); if (!$data_lines) { return SucuriScan::throwException(__('No last-logins data is available', 'sucuri-scanner')); } /** * This count will not be 100% accurate considering that we are checking the * syntax of each line in the loop bellow, there may be some lines without the * right syntax which will differ from the total entries returned, but there's * not other EASY way to do this without affect the performance of the code. * * @var integer */ $total_lines = count($data_lines); $last_logins['total'] = $total_lines; // Get a list with the latest entries in the first positions. $reversed_lines = array_reverse($data_lines); /** * Only the user accounts with administrative privileges can see the logs of all * the users, for the rest of the accounts they will only see their own logins. * * @var object */ $user_ids = array(); $current_user = wp_get_current_user(); $is_admin_user = (bool) current_user_can('manage_options'); for ($i = $offset; $i < $total_lines; $i++) { $line = $reversed_lines[$i] ? trim($reversed_lines[$i]) : ''; // Check if the data is serialized (which we will consider as insecure). $last_login = @json_decode($line, true); if (!$last_login) { $last_logins['total'] -= 1; continue; } $last_login['user_lastlogin_timestamp'] = strtotime($last_login['user_lastlogin']); $last_login['user_registered_timestamp'] = 0; // Only administrators can see all login stats. if (!$is_admin_user && $current_user->user_login != $last_login['user_login']) { continue; } // Filter the user identifiers using the value passed tot his function. if ($user_id > 0 && $last_login['user_id'] != $user_id) { continue; } $last_login['user_exists'] = false; $user_ids[] = $last_login['user_id']; $last_login['line_num'] = $i + 1; $last_logins['entries'][] = $last_login; $parsed_lines += 1; if ($limit > 0 && $parsed_lines >= $limit) { break; } } /* no need for database query */ if (empty($user_ids)) { return $last_logins; } /* extra information for the unique user accounts */ $user_ids = array_unique($user_ids); $dbquery = new WP_User_Query(array('include' => $user_ids)); if ($dbquery) { $results = $dbquery->get_results(); foreach ($last_logins['entries'] as $key => $entry) { foreach ($results as $dbentry) { if ($entry['user_id'] === $dbentry->ID) { $last_logins['entries'][$key]['user_exists'] = true; $last_logins['entries'][$key]['user_nicename'] = $dbentry->user_nicename; $last_logins['entries'][$key]['user_email'] = $dbentry->user_email; $last_logins['entries'][$key]['user_url'] = $dbentry->user_url; $last_logins['entries'][$key]['user_status'] = $dbentry->user_status; $last_logins['entries'][$key]['display_name'] = $dbentry->display_name; $last_logins['entries'][$key]['user_registered'] = $dbentry->user_registered; $last_logins['entries'][$key]['user_registered_timestamp'] = strtotime($dbentry->user_registered); } } } } return $last_logins; } if (!function_exists('sucuriscan_login_redirect')) { /** * Hook for the wp-login action to redirect the user to a specific URL after * his successfully login to the administrator interface. * * @param string $redirect_to The redirect destination URL. * @param mixed $request The requested redirect destination URL passed as a parameter. * @param bool $user WP_User object if login was successful, WP_Error object otherwise. * @return string URL where the browser must be redirected to. */ function sucuriscan_login_redirect($redirect_to = '', $request = null, $user = false) { $login_url = !empty($redirect_to) ? $redirect_to : SucuriScan::adminURL(); if ($user instanceof WP_User && in_array('administrator', $user->roles) && SucuriScanOption::isEnabled(':lastlogin_redirection') ) { $login_url = add_query_arg('sucuriscan_lastlogin', 1, $login_url); } return $login_url; } if (SucuriScanOption::isEnabled(':lastlogin_redirection')) { add_filter('login_redirect', 'sucuriscan_login_redirect', 10, 3); } } if (!function_exists('sucuriscan_get_user_lastlogin')) { /** * Display the last user login at the top of the admin interface. * * @return void */ function sucuriscan_get_user_lastlogin() { if (current_user_can('manage_options') && SucuriScanRequest::get(':lastlogin', '1') ) { $current_user = wp_get_current_user(); $last_logins = sucuriscan_get_logins(2, 0, $current_user->ID); if ($last_logins && isset($last_logins['entries']) && isset($last_logins['entries'][1]) ) { $row = $last_logins['entries'][1]; $page_url = SucuriScanTemplate::getUrl('lastlogins'); $message = sprintf( __('Last login was at <b>%s</b> from <b>%s</b> <em>(%s)</em> <a href="%s" target="_self">view all logs</a>', 'sucuri-scanner'), SucuriScan::datetime($row['user_lastlogin_timestamp']), SucuriScan::escape($row['user_remoteaddr']), SucuriScan::escape($row['user_hostname']), SucuriScan::escape($page_url) ); SucuriScanInterface::info($message); } } } add_action('network_admin_notices', 'sucuriscan_get_user_lastlogin'); add_action('admin_notices', 'sucuriscan_get_user_lastlogin'); } mail.lib.php 0000604 00000023421 14717775511 0006761 0 ustar 00 <?php /** * Code related to the mail.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Process and send emails. * * One of the core features of the plugin is the event alerts, a list of rules * will check if the site is being compromised, in which case a notification * will be sent to the site email address (an address that can be configured in * the settings page). * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanMail extends SucuriScanOption { /** * Check whether the email alerts will be sent in HTML or Plain/Text. * * @return bool Whether the emails will be in HTML or Plain/Text. */ public static function prettifyMails() { return self::isEnabled(':prettify_mails'); } /** * Send a message to a specific email address. * * @param string $email The email address of the recipient that will receive the message. * @param string $subject The reason of the message that will be sent. * @param string $message Body of the message that will be sent. * @param array $data_set Optional parameter to add more information to the notification. * @return bool Whether the email contents were sent successfully. */ public static function sendMail($email = '', $subject = '', $message = '', $data_set = array()) { $headers = array(); $subject = ucwords(strtolower($subject)); $force = (bool) (isset($data_set['Force']) && $data_set['Force']); unset($data_set['Force']); /* remove to prevent inheritance */ /* check whether the email alerts will be sent in HTML or plain/text */ if (self::prettifyMails() || (isset($data_set['ForceHTML']) && $data_set['ForceHTML'])) { $headers = array('Content-Type: text/html'); $data_set['PrettifyType'] = 'pretty'; unset($data_set['ForceHTML']); } else { $headers = array('Content-Type: text/plain'); $message = strip_tags($message); } if (self::emailsPerHourReached() && !$force) { return self::throwException(__('Maximum number of emails per hour reached', 'sucuri-scanner')); } /* check if we need to load a template file to wrap the message */ if (!array_key_exists('UseRawHTML', $data_set) || !$data_set['UseRawHTML']) { $message = self::prettifyMail($subject, $message, $data_set); } $subject = self::getEmailSubject($subject); try { /** * WordPress uses a library named PHPMailer to send emails through the * provided method wp_mail, unfortunately the debug information is * completely removed and this makes it difficult to troubleshoots * issues reported by users when the SMTP server in their sites is * misconfigured. To reduce the number of tickets related with this * issue we will provide an option to allow the users to choose which * technique will be used to send the alerts. * * @see https://github.com/PHPMailer/PHPMailer * @see https://developer.wordpress.org/reference/functions/wp_mail/ */ if (SucuriScanOption::isEnabled(':use_wpmail')) { wp_mail($email, $subject, $message, $headers); } else { @mail($email, $subject, $message, implode("\r\n", $headers)); } $mails_sent = (int) self::getOption(':emails_sent'); self::updateOption(':emails_sent', $mails_sent + 1); self::updateOption(':last_email_at', time()); return true; /* assume mail delivery */ } catch ( Throwable $e ) { SucuriScanEvent::reportErrorEvent('An error occurred sending email - please check your server mail configuration.'); return false; } } /** * Generate a subject for the email alerts. * * @param string $event The reason of the message that will be sent. * @return string A text with the subject for the email alert. */ private static function getEmailSubject($event = '') { $subject = self::getOption(':email_subject'); $subject = strip_tags((string) $subject); $ip = self::getRemoteAddr(); $subject = str_replace(':event', $event, $subject); $subject = str_replace(':domain', self::getDomain(), $subject); $subject = str_replace(':remoteaddr', $ip, $subject); if (strpos($subject, ':hostname') !== false) { /* expensive operation; reverse user ip address if requested */ $subject = str_replace(':hostname', gethostbyaddr($ip), $subject); } /* include data from the user in session, if necessary */ if (strpos($subject, ':username') !== false || strpos($subject, ':email') !== false ) { $user = wp_get_current_user(); $username = 'unknown'; $eaddress = 'unknown'; if ($user instanceof WP_User && isset($user->user_login) && isset($user->user_email) ) { $username = $user->user_login; $eaddress = $user->user_email; } $subject = str_replace(':username', $user->user_login, $subject); $subject = str_replace(':email', $user->user_email, $subject); } return $subject; } /** * Generate a HTML version of the message that will be sent through an email. * * @param string $subject The reason of the message that will be sent. * @param string $message Body of the message that will be sent. * @param array $data_set Optional parameter to add more information to the notification. * @return string The message formatted in a HTML template. */ private static function prettifyMail($subject = '', $message = '', $data_set = array()) { $params = array(); $display_name = ''; $prettify_type = 'simple'; $user = wp_get_current_user(); $website = self::getDomain(); if (isset($data_set['PrettifyType'])) { $prettify_type = $data_set['PrettifyType']; } if ($user instanceof WP_User && isset($user->user_login) && !empty($user->user_login) ) { $display_name = sprintf( __('User: %s (%s)', 'sucuri-scanner'), $user->display_name, $user->user_login ); } // Format list of items when the event has multiple entries. if (strpos($message, 'multiple') !== false) { $message_parts = SucuriScanAPI::parseMultipleEntries($message); if (is_array($message_parts)) { $message = ( $prettify_type == 'pretty' ) ? $message_parts[0] . '<ul>' : $message_parts[0]; unset($message_parts[0]); foreach ($message_parts as $msg_part) { if ($prettify_type == 'pretty') { $message .= sprintf("<li>%s</li>\n", $msg_part); } else { $message .= sprintf("\n- %s", $msg_part); } } $message .= ( $prettify_type == 'pretty' ) ? '</ul>' : ''; } } $params['TemplateTitle'] = __('Sucuri Alert', 'sucuri-scanner'); $params['Subject'] = $subject; $params['Website'] = $website; $params['RemoteAddress'] = self::getRemoteAddr(); $params['ReverseAddress'] = gethostbyaddr($params['RemoteAddress']); $params['Message'] = $message; $params['User'] = $display_name; $params['Time'] = SucuriScan::datetime(); foreach ($data_set as $var_key => $var_value) { $params[ $var_key ] = $var_value; } /* SucuriScanTemplate::notification-pretty */ /* SucuriScanTemplate::notification-simple */ return SucuriScanTemplate::getSection('notification-' . $prettify_type, $params); } /** * Check whether the maximum quantity of emails per hour was reached. * * @return bool Whether the quota emails per hour was reached. */ private static function emailsPerHourReached() { $max_per_hour = self::getOption(':emails_per_hour'); if ($max_per_hour != 'unlimited') { // Check if we are still in that sixty minutes. $current_time = time(); $last_email_at = self::getOption(':last_email_at'); $diff_time = abs($current_time - $last_email_at); if ($diff_time <= 3600) { // Check if the quantity of emails sent is bigger than the configured. $emails_sent = (int) self::getOption(':emails_sent'); $max_per_hour = intval($max_per_hour); if ($emails_sent >= $max_per_hour) { return true; } } else { // Reset the counter of emails sent. self::updateOption(':emails_sent', 0); } } return false; } } option.lib.php 0000604 00000074014 14717775511 0007353 0 ustar 00 <?php /** * Code related to the option.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Plugin options handler. * * Options are pieces of data that WordPress uses to store various preferences * and configuration settings. Listed below are the options, along with some of * the default values from the current WordPress install. By using the * appropriate function, options can be added, changed, removed, and retrieved, * from the wp_options table. * * The Options API is a simple and standardized way of storing data in the * database. The API makes it easy to create, access, update, and delete * options. All the data is stored in the wp_options table under a given custom * name. This page contains the technical documentation needed to use the * Options API. A list of default options can be found in the Option Reference. * * Note that the _site_ methods are essentially the same as their * counterparts. The only differences occur for WP Multisite, when the options * apply network-wide and the data is stored in the wp_sitemeta table under the * given custom name. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner * @see https://codex.wordpress.org/Option_Reference * @see https://codex.wordpress.org/Options_API */ class SucuriScanOption extends SucuriScanRequest { /** * Default values for all the plugin's options. * * @return array Default values for all the plugin's options. */ private static function getDefaultOptionValues() { $defaults = array( 'sucuriscan_account' => '', 'sucuriscan_addr_header' => 'HTTP_X_SUCURI_CLIENTIP', 'sucuriscan_api_key' => false, 'sucuriscan_api_protocol' => 'https', 'sucuriscan_api_service' => 'disabled', 'sucuriscan_auto_clear_cache' => 'disabled', 'sucuriscan_checksum_api' => '', 'sucuriscan_cloudproxy_apikey' => '', 'sucuriscan_diff_utility' => 'disabled', 'sucuriscan_dns_lookups' => 'enabled', 'sucuriscan_email_subject' => '', 'sucuriscan_emails_per_hour' => 5, 'sucuriscan_emails_sent' => 0, 'sucuriscan_ignored_events' => '', 'sucuriscan_last_email_at' => time(), 'sucuriscan_lastlogin_redirection' => 'enabled', 'sucuriscan_maximum_failed_logins' => 30, 'sucuriscan_notify_available_updates' => 'disabled', 'sucuriscan_notify_bruteforce_attack' => 'disabled', 'sucuriscan_notify_failed_login' => 'disabled', 'sucuriscan_notify_plugin_activated' => 'enabled', 'sucuriscan_notify_plugin_change' => 'enabled', 'sucuriscan_notify_plugin_deactivated' => 'disabled', 'sucuriscan_notify_plugin_deleted' => 'disabled', 'sucuriscan_notify_plugin_installed' => 'disabled', 'sucuriscan_notify_plugin_updated' => 'disabled', 'sucuriscan_notify_post_publication' => 'enabled', 'sucuriscan_notify_scan_checksums' => 'disabled', 'sucuriscan_notify_settings_updated' => 'enabled', 'sucuriscan_notify_success_login' => 'disabled', 'sucuriscan_notify_theme_activated' => 'enabled', 'sucuriscan_notify_theme_deleted' => 'disabled', 'sucuriscan_notify_theme_editor' => 'enabled', 'sucuriscan_notify_theme_installed' => 'disabled', 'sucuriscan_notify_theme_updated' => 'disabled', 'sucuriscan_notify_to' => '', 'sucuriscan_notify_user_registration' => 'disabled', 'sucuriscan_notify_website_updated' => 'disabled', 'sucuriscan_notify_widget_added' => 'disabled', 'sucuriscan_notify_widget_deleted' => 'disabled', 'sucuriscan_plugin_version' => '0.0', 'sucuriscan_prettify_mails' => 'disabled', 'sucuriscan_revproxy' => 'disabled', 'sucuriscan_runtime' => 0, 'sucuriscan_selfhosting_fpath' => '', 'sucuriscan_selfhosting_monitor' => 'disabled', 'sucuriscan_site_version' => '0.0', 'sucuriscan_sitecheck_target' => '', 'sucuriscan_timezone' => 'UTC+00.00', 'sucuriscan_use_wpmail' => 'enabled', 'sucuriscan_headers_cache_control' => 'disabled', 'sucuriscan_headers_cache_control_options' => array( 'front_page' => array( 'id' => 'front_page', 'title' => __('Front Page', 'sucuri-scanner'), 'max_age' => 21600, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 'unavailable', 'old_age_multiplier' => 'unavailable', ), 'posts' => array( 'id' => 'posts', 'title' => __('Posts', 'sucuri-scanner'), 'max_age' => 43200, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 'unavailable', 'old_age_multiplier' => true, ), 'pages' => array( 'id' => 'pages', 'title' => __('Pages', 'sucuri-scanner'), 'max_age' => 86400, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 'unavailable', 'old_age_multiplier' => 'unavailable', ), 'main_index' => array( 'id' => 'main_index', 'title' => __('Main Index', 'sucuri-scanner'), 'max_age' => 21600, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 5, 'old_age_multiplier' => 'unavailable', ), 'categories' => array( 'id' => 'categories', 'title' => __('Categories', 'sucuri-scanner'), 'max_age' => 86400, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 8, 'old_age_multiplier' => 'unavailable', ), 'tags' => array( 'id' => 'tags', 'title' => __('Tags', 'sucuri-scanner'), 'max_age' => 86400, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 10, 'old_age_multiplier' => 'unavailable', ), 'authors' => array( 'id' => 'authors', 'title' => __('Authors', 'sucuri-scanner'), 'max_age' => 86400, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 10, 'old_age_multiplier' => 'unavailable', ), 'archives' => array( 'id' => 'archives', 'title' => __('Archives', 'sucuri-scanner'), 'max_age' => 86400, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 'unavailable', 'old_age_multiplier' => 'unavailable', ), 'feeds' => array( 'id' => 'feeds', 'title' => __('Feeds', 'sucuri-scanner'), 'max_age' => 21600, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 'unavailable', 'old_age_multiplier' => 'unavailable', ), 'attachment_pages' => array( 'id' => 'attachment_pages', 'title' => __('Attachment Pages', 'sucuri-scanner'), 'max_age' => 86400, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 'unavailable', 'old_age_multiplier' => 'unavailable', ), 'search_results' => array( 'id' => 'search_results', 'title' => __('Search Results', 'sucuri-scanner'), 'max_age' => 86400, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 'unavailable', 'old_age_multiplier' => 'unavailable', ), '404_not_found' => array( 'id' => '404_not_found', 'title' => __('404 Not Found', 'sucuri-scanner'), 'max_age' => 86400, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 'unavailable', 'old_age_multiplier' => 'unavailable', ), 'redirects' => array( 'id' => 'attachment', 'title' => __('Redirects', 'sucuri-scanner'), 'max_age' => 86400, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 'unavailable', 'old_age_multiplier' => 'unavailable', ), 'woocommerce_products' => array( 'id' => 'woocommerce_products', 'title' => __('Woocommerce Products', 'sucuri-scanner'), 'max_age' => 86400, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 'unavailable', 'old_age_multiplier' => 'unavailable', ), 'woocommerce_categories' => array( 'id' => 'woocommerce_categories', 'title' => __('Woocommerce Categories', 'sucuri-scanner'), 'max_age' => 86400, 's_maxage' => 0, 'stale_if_error' => 0, 'stale_while_revalidate' => 0, 'pagination_factor' => 'unavailable', 'old_age_multiplier' => 'unavailable', ), ) ); return (array)apply_filters('sucuriscan_option_defaults', $defaults); } /** * Name of all valid plugin's options. * * @return array Name of all valid plugin's options. */ public static function getDefaultOptionNames() { $options = self::getDefaultOptionValues(); $names = array_keys($options); return $names; } /** * Retrieve the default values for some specific options. * * @param string $option List of options, or single option name. * @return mixed The default values for the specified options. */ private static function getDefaultOptions($option = '') { $default = self::getDefaultOptionValues(); // Use framework built-in function. if (function_exists('get_option')) { $admin_email = get_option('admin_email'); $default['sucuriscan_account'] = $admin_email; $default['sucuriscan_notify_to'] = $admin_email; $default['sucuriscan_email_subject'] = sprintf(__('Sucuri Alert, %s, %s, %s', 'sucuri-scanner'), ':domain', ':event', ':remoteaddr'); } return @$default[$option]; } /** * Returns path of the options storage. * * Returns the absolute path of the file that will store the options * associated to the plugin. This must be a PHP file without public access, * for which reason it will contain a header with an exit point to prevent * malicious people to read the its content. The rest of the file will * content a JSON encoded array. * * @return string File path of the options storage. */ public static function optionsFilePath() { return self::dataStorePath('sucuri-settings.php'); } /** * Returns an array with all the plugin options. * * NOTE: There is a maximum number of lines for this file, one is for the * exit point and the other one is for a single line JSON encoded string. * We will discard any other content that exceeds this limit. * * @return array Array with all the plugin options. */ public static function getAllOptions() { $options = wp_cache_get('alloptions', SUCURISCAN); if ($options && is_array($options)) { return $options; } $options = array(); $fpath = self::optionsFilePath(); /* Use this over SucuriScanCache to prevent nested method calls */ $content = SucuriScanFileInfo::fileContent($fpath); if ($content !== false) { // Refer to self::optionsFilePath to know why the number two. $lines = explode("\n", $content, 2); if (count($lines) >= 2) { $jsonData = json_decode($lines[1], true); if (is_array($jsonData) && !empty($jsonData)) { $options = $jsonData; } } } wp_cache_set('alloptions', $options, SUCURISCAN); return $options; } /** * Write new options into the external options file. * * @param array $options Array with plugins options. * @return bool True if the new options were saved, false otherwise. */ public static function writeNewOptions($options = array()) { wp_cache_delete('alloptions', SUCURISCAN); $fpath = self::optionsFilePath(); $content = "<?php exit(0); ?>\n"; $content .= @json_encode($options) . "\n"; return (bool)@file_put_contents($fpath, $content); } /** * Returns data from the settings file or the database. * * To facilitate the development, you can prefix the name of the key in the * request (when accessing it) with a single colon, this method will automa- * tically replace that character with the unique identifier of the plugin. * * NOTE: The SucuriScanCache library is a better interface to read the * content of a configuration file following the same standard in the other * files associated to the plugin. However, this library makes use of this * method to retrieve the directory where the files are stored, if we use * this library for this specific task we will end up provoking a maximum * nesting method call warning. * * @see https://developer.wordpress.org/reference/functions/get_option/ * * @param string $option Name of the option. * @return mixed Value associated to the option. */ public static function getOption($option = '') { $options = self::getAllOptions(); $option = self::varPrefix($option); if (array_key_exists($option, $options)) { return $options[$option]; } /** * Fallback to the default values. * * If the option is not set in the external options file then we must * search in the database for older data, this to provide backward * compatibility with older installations of the plugin. If the option * is found in the database we must insert it in the external file and * delete it from the database before the value is returned to the user. * * If the option is not in the external file nor in the database, and * the name starts with the same prefix used by the plugin then we must * return the default value defined by the author. * * Note that if the plain text file is not writable the method should * not delete the option from the database to keep backward compatibility * with previous installations of the plugin. */ if (function_exists('get_option')) { $value = get_option($option); if ($value !== false) { if (strpos($option, SUCURISCAN . '_') === 0) { $written = self::updateOption($option, $value); if ($written === true) { delete_option($option); } } return $value; } } /** * Cache default value to stop querying the database. * * The option was not found in the database either, we will return the * data from the array of default values hardcoded in the source code, * then will attempt to write the default value into the flat settings * file to stop querying the database in subsequent requests. */ if (strpos($option, SUCURISCAN . '_') === 0) { $value = self::getDefaultOptions($option); self::updateOption($option, $value); return $value; } return false; } /** * Update the value of an database' option. * * Use the method to update a named option/value pair to the options database * table. The option name value is escaped with a special database method before * the insert SQL statement but not the option value, this value should always * be properly sanitized. * * @see https://developer.wordpress.org/reference/functions/update_option/ * * @param string $option Name of the option. * @param mixed $value New value for the option. * @return bool True if option has been updated, false otherwise. */ public static function updateOption($option = '', $value = '') { if (strpos($option, ':') === 0 || strpos($option, SUCURISCAN) === 0) { $options = self::getAllOptions(); $option = self::varPrefix($option); $options[$option] = $value; return self::writeNewOptions($options); } return update_option($option, $value); } /** * Remove an option from the database. * * A safe way of removing a named option/value pair from the options database table. * * @see https://developer.wordpress.org/reference/functions/delete_option/ * * @param string $option Name of the option to be deleted. * @return bool True if option is successfully deleted, false otherwise. */ public static function deleteOption($option = '') { if (strpos($option, ':') === 0 || strpos($option, SUCURISCAN) === 0) { $options = self::getAllOptions(); $option = self::varPrefix($option); // Create/Modify option's value. if (array_key_exists($option, $options)) { unset($options[$option]); return self::writeNewOptions($options); } } return delete_option($option); } /** * Check whether a setting is enabled or not. * * @param string $option Name of the option to be deleted. * @return bool True if the option is enabled, false otherwise. */ public static function isEnabled($option = '') { return (bool)(self::getOption($option) === 'enabled'); } /** * Check whether a setting is disabled or not. * * @param string $option Name of the option to be deleted. * @return bool True if the option is disabled, false otherwise. */ public static function isDisabled($option = '') { return (bool)(self::getOption($option) === 'disabled'); } /** * Retrieve all the options stored by Wordpress in the database. The options * containing the word "transient" are excluded from the results, this method * compatible with multisite instances. * * @return array All the options stored by Wordpress in the database. */ private static function getSiteOptions() { $settings = array(); if (array_key_exists('wpdb', $GLOBALS)) { $results = $GLOBALS['wpdb']->get_results( 'SELECT * FROM ' . $GLOBALS['wpdb']->options . ' WHERE opti' . 'on_name NOT LIKE "%_transient_%" ORDER BY option_id ASC' ); foreach ($results as $row) { $settings[$row->option_name] = $row->option_value; } } $external = self::getAllOptions(); foreach ($external as $option => $value) { $settings[$option] = $value; } return $settings; } /** * Check what Wordpress options were changed comparing the values in the database * with the values sent through a simple request using a GET or POST method. * * @param array $request The content of the global variable GET or POST considering SERVER[REQUEST_METHOD]. * @return array A list of all the options that were changes through this request. */ public static function whatOptionsWereChanged($request = array()) { $options_changed = array( 'original' => array(), 'changed' => array() ); $site_options = self::getSiteOptions(); foreach ($request as $req_name => $req_value) { if (array_key_exists($req_name, $site_options) && $site_options[$req_name] != $req_value ) { $options_changed['original'][$req_name] = $site_options[$req_name]; $options_changed['changed'][$req_name] = $req_value; } } return $options_changed; } /** * Check the nonce comming from any of the settings pages. * * @return bool True if the nonce is valid, false otherwise. */ public static function checkOptionsNonce() { // Create the option_page value if permalink submission. if (!isset($_POST['option_page']) && isset($_POST['permalink_structure'])) { $_POST['option_page'] = 'permalink'; } /* check if the option_page has an allowed value */ $option_page = SucuriScanRequest::post('option_page'); if (!$option_page) { return false; } $action = ''; $nonce = '_wpnonce'; switch ($option_page) { case 'general': /* no_break */ case 'writing': /* no_break */ case 'reading': /* no_break */ case 'discussion': /* no_break */ case 'media': /* no_break */ case 'options': /* no_break */ $action = $option_page . '-options'; break; case 'permalink': $action = 'update-permalink'; break; } /* check the nonce validity */ return (bool)( !empty($action) && isset($_REQUEST[$nonce]) && wp_verify_nonce($_REQUEST[$nonce], $action) ); } /** * Returns a list of post-types. * * The list of post-types includes objects such as Post and Page but also * the transitions between each post type, for example, if there are posts * of type Draft and they change to Trash, this function will include a new * post type called "from_draft_to_trash" and so on. * * @return array List of post-types with transitions. */ public static function getPostTypes() { $postTypes = get_post_types(); $transitions = array( 'new', 'publish', 'pending', 'draft', 'auto-draft', 'future', 'private', 'inherit', 'trash', ); /* include post-type transitions */ foreach ($transitions as $from) { foreach ($transitions as $to) { if ($from === $to) { continue; } $event = sprintf('from_%s_to_%s', $from, $to); if (!array_key_exists($event, $postTypes)) { $postTypes[$event] = $event; } } } /* include custom non-registered post-types */ $ignoredEvents = SucuriScanOption::getIgnoredEvents(); foreach ($ignoredEvents as $event => $time) { if (!array_key_exists($event, $postTypes)) { $postTypes[$event] = $event; } } return $postTypes; } /** * Check whether an event is being ignored to send alerts or not. * * @param string $event Unique post-type name. * @return bool Whether an event is being ignored or not. */ public static function isIgnoredEvent($event = '') { $event = strtolower($event); $ignored = self::getIgnoredEvents(); return array_key_exists($event, $ignored); } /** * Get a list of the post types ignored to receive email alerts when the * "new site content" hook is triggered. * * @return array List of ignored posts-types to send alerts. */ public static function getIgnoredEvents() { $post_types = self::getOption(':ignored_events'); if (is_string($post_types)) { $post_types = @json_decode($post_types, true); } return (array)$post_types; } /** * Retrieve a list of basic security keys and check whether their values were * randomized correctly. * * @return array Array with three keys: good, missing, bad. */ public static function getSecurityKeys() { $response = array( 'good' => array(), 'missing' => array(), 'bad' => array(), ); $key_names = array( 'AUTH_KEY', 'AUTH_SALT', 'LOGGED_IN_KEY', 'LOGGED_IN_SALT', 'NONCE_KEY', 'NONCE_SALT', 'SECURE_AUTH_KEY', 'SECURE_AUTH_SALT', ); foreach ($key_names as $key_name) { if (defined($key_name)) { $key_value = constant($key_name); if (stripos($key_value, 'unique phrase') !== false) { $response['bad'][$key_name] = $key_value; } else { $response['good'][$key_name] = $key_value; } } else { $response['missing'][$key_name] = false; } } return $response; } /** * Change the reverse proxy setting. * * When enabled this option forces the plugin to override the value of the * global IP address variable from the HTTP header selected by the user from * the settings. Note that this may also be automatically enabled when the * firewall page is activated as it assumes that the proxy is creating a * custom HTTP header for the real IP. * * @param string $action Enable or disable the reverse proxy. * @param bool $silent Hide admin notices on success. * @return void */ public static function setRevProxy($action = 'disable', $silent = false) { if ($action !== 'enable' && $action !== 'disable') { return self::deleteOption(':revproxy'); } $action_d = $action . 'd'; $message = 'Reverse proxy support was <code>' . $action_d . '</code>'; self::updateOption(':revproxy', $action_d); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); if ($silent) { return true; } return SucuriScanInterface::info( sprintf( 'Reverse proxy support was set to <b>%s</b>', $action_d /* either enabled or disabled */ ) ); } /** * Change the HTTP header to retrieve the real IP address. * * @param string $header Valid HTTP header name. * @param bool $silent Hide admin notices on success. * @return void */ public static function setAddrHeader($header = 'REMOTE_ADDR', $silent = false) { $header = strtoupper($header); $allowed = SucuriScan::allowedHttpHeaders(true); if (!array_key_exists($header, $allowed)) { return SucuriScanInterface::error('HTTP header is not allowed'); } $message = sprintf('HTTP header was set to %s', $header); self::updateOption(':addr_header', $header); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); if ($silent) { return true; } return SucuriScanInterface::info( sprintf( 'HTTP header was set to <code>%s</code>', $header /* one of the allowed HTTP headers */ ) ); } } pagehandler.php 0000604 00000022002 14717775511 0007536 0 ustar 00 <?php /** * Code related to the pagehandler.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Renders the content of the plugin's dashboard page. * * @return void */ function sucuriscan_page() { $params = array(); SucuriScanInterface::startupChecks(); /* load data for the Integrity section */ $params['Integrity'] = SucuriScanIntegrity::pageIntegrity(); /* load data for the AuditLogs section */ $params['AuditLogs'] = SucuriScanAuditLogs::pageAuditLogs(); /* load data for the SiteCheck section */ $params['SiteCheck.Refresh'] = 'false'; $params['SiteCheck.iFramesTitle'] = __('iFrames', 'sucuri-scanner'); $params['SiteCheck.LinksTitle'] = __('Links', 'sucuri-scanner'); $params['SiteCheck.ScriptsTitle'] = __('Scripts', 'sucuri-scanner'); $params['SiteCheck.iFramesContent'] = __('Loading...', 'sucuri-scanner'); $params['SiteCheck.LinksContent'] = __('Loading...', 'sucuri-scanner'); $params['SiteCheck.ScriptsContent'] = __('Loading...', 'sucuri-scanner'); $params['SiteCheck.Malware'] = '<div id="sucuriscan-malware"></div>'; $params['SiteCheck.Blocklist'] = '<div id="sucuriscan-blocklist"></div>'; $params['SiteCheck.Recommendations'] = '<div id="sucuriscan-recommendations"></div>'; /* load data for the WordPress best practices section */ $params['WordPress.Recommendations'] = SucuriWordPressRecommendations::pageWordPressRecommendations(); if (SucuriScanRequest::get(':sitecheck_refresh') !== false) { $params['SiteCheck.Refresh'] = 'true'; } echo SucuriScanTemplate::getTemplate('dashboard', $params); } /** * Renders the content of the plugin's firewall page. * * @return void */ function sucuriscan_firewall_page() { SucuriScanInterface::startupChecks(); $params = array( 'Firewall.Settings' => SucuriScanFirewall::settingsPage(), 'Firewall.AuditLogs' => SucuriScanFirewall::auditlogsPage(), 'Firewall.IPAccess' => SucuriScanFirewall::ipAccessPage(), 'Firewall.ClearCache' => SucuriScanFirewall::clearCachePage(), ); echo SucuriScanTemplate::getTemplate('firewall', $params); } /** * Renders the content of the plugin's last logins page. * * @return void */ function sucuriscan_lastlogins_page() { SucuriScanInterface::startupChecks(); // Reset the file with the last-logins logs. if (SucuriScanInterface::checkNonce() && SucuriScanRequest::post(':reset_lastlogins') !== false ) { $file_path = sucuriscan_lastlogins_datastore_filepath(); if (@unlink($file_path)) { sucuriscan_lastlogins_datastore_exists(); SucuriScanInterface::info(__('Last-Logins logs were successfully reset.', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('Could not reset the last-logins data file.', 'sucuri-scanner')); } } // Page pseudo-variables initialization. $params = array( 'LastLogins.AllUsers' => sucuriscan_lastlogins_all(), 'LastLogins.Admins' => sucuriscan_lastlogins_admins(), 'LoggedInUsers' => sucuriscan_loggedin_users_panel(), 'FailedLogins' => sucuriscan_failed_logins_panel(), ); echo SucuriScanTemplate::getTemplate('lastlogins', $params); } /** * Renders the content of the plugin's settings page. * * @return void */ function sucuriscan_settings_page() { SucuriScanInterface::startupChecks(); $params = array(); $nonce = SucuriScanInterface::checkNonce(); // Keep the reset options panel and form submission processor before anything else. $params['Settings.General.ResetOptions'] = sucuriscan_settings_general_resetoptions($nonce); /* settings - general */ $params['Settings.General.DataStorage'] = sucuriscan_settings_general_datastorage($nonce); $params['Settings.General.SelfHosting'] = sucuriscan_settings_general_selfhosting($nonce); $params['Settings.General.ReverseProxy'] = sucuriscan_settings_general_reverseproxy($nonce); $params['Settings.General.ImportExport'] = sucuriscan_settings_general_importexport($nonce); $params['Settings.General.Timezone'] = sucuriscan_settings_general_timezone($nonce); $params['Settings.General.IPDiscoverer'] = sucuriscan_settings_general_ipdiscoverer($nonce); /* settings - scanner */ $params['Settings.Scanner.Cronjobs'] = SucuriScanSettingsScanner::cronjobs($nonce); $params['Settings.Scanner.IntegrityDiffUtility'] = SucuriScanSettingsIntegrity::diffUtility($nonce); $params['Settings.Scanner.IntegrityCache'] = SucuriScanSettingsIntegrity::cache($nonce); $params['Settings.Scanner.IgnoreFolders'] = SucuriScanSettingsScanner::ignoreFolders($nonce); /* settings - hardening */ $params['Settings.Hardening.Firewall'] = SucuriScanHardeningPage::firewall(); $params['Settings.Hardening.WPVersion'] = SucuriScanHardeningPage::wpversion(); $params['Settings.Hardening.RemoveGenerator'] = SucuriScanHardeningPage::wpgenerator(); $params['Settings.Hardening.NginxPHPFPM'] = SucuriScanHardeningPage::nginxphp(); $params['Settings.Hardening.WPUploads'] = SucuriScanHardeningPage::wpuploads(); $params['Settings.Hardening.WPContent'] = SucuriScanHardeningPage::wpcontent(); $params['Settings.Hardening.WPIncludes'] = SucuriScanHardeningPage::wpincludes(); $params['Settings.Hardening.Readme'] = SucuriScanHardeningPage::readme(); $params['Settings.Hardening.AdminUser'] = SucuriScanHardeningPage::adminuser(); $params['Settings.Hardening.FileEditor'] = SucuriScanHardeningPage::fileeditor(); $params['Settings.Hardening.SecKeyUpdater'] = SucuriScanHardeningPage::autoSecretKeyUpdater(); $params['Settings.Hardening.AllowlistPHPFiles'] = SucuriScanHardeningPage::AllowPHPFiles(); /* settings - posthack */ $params['Settings.Posthack.SecurityKeys'] = SucuriScanSettingsPosthack::securityKeys(); $params['Settings.Posthack.ResetPassword'] = SucuriScanSettingsPosthack::resetPassword(); $params['Settings.Posthack.ResetPlugins'] = SucuriScanSettingsPosthack::resetPlugins(); $params['Settings.Posthack.AvailableUpdates'] = SucuriScanSettingsPosthack::availableUpdates(); /* settings - alerts */ $params['Settings.Alerts.Recipients'] = sucuriscan_settings_alerts_recipients($nonce); $params['Settings.Alerts.Subject'] = sucuriscan_settings_alerts_subject($nonce); $params['Settings.Alerts.PerHour'] = sucuriscan_settings_alerts_perhour($nonce); $params['Settings.Alerts.BruteForce'] = sucuriscan_settings_alerts_bruteforce($nonce); $params['Settings.Alerts.Events'] = sucuriscan_settings_alerts_events($nonce); $params['Settings.Alerts.IgnorePosts'] = sucuriscan_settings_alerts_ignore_posts(); $params['Settings.Alerts.TrustedIPs'] = sucuriscan_settings_alerts_trustedips(); /* settings - cache options */ $params['Settings.Headers.Cache'] = sucuriscan_settings_cache_options($nonce); /* settings - api service */ $params['Settings.APIService.Status'] = sucuriscan_settings_apiservice_status($nonce); $params['Settings.APIService.Proxy'] = sucuriscan_settings_apiservice_proxy(); $params['Settings.SiteCheck.Target'] = SucuriScanSiteCheck::targetURLOption(); $params['Settings.APIService.Checksums'] = sucuriscan_settings_apiservice_checksums($nonce); /* settings - website info */ $params['Settings.Webinfo.Details'] = sucuriscan_settings_webinfo_details(); $params['Settings.Webinfo.HTAccess'] = sucuriscan_settings_webinfo_htaccess(); echo SucuriScanTemplate::getTemplate('settings', $params); } /** * Handles all the AJAX plugin's requests. * * @return void */ function sucuriscan_ajax() { SucuriScanInterface::checkPageVisibility(); if (SucuriScanInterface::checkNonce()) { SucuriScanAuditLogs::ajaxAuditLogs(); SucuriScanAuditLogs::ajaxAuditLogsSendLogs(); SucuriScanSiteCheck::ajaxMalwareScan(); SucuriScanIntegrity::ajaxIntegrity(); SucuriScanIntegrity::ajaxIntegrityDiffUtility(); SucuriScanFirewall::auditlogsAjax(); SucuriScanFirewall::ipAccessAjax(); SucuriScanFirewall::blocklistAjax(); SucuriScanFirewall::deblocklistAjax(); SucuriScanFirewall::getSettingsAjax(); SucuriScanFirewall::clearCacheAjax(); SucuriScanFirewall::clearAutoCacheAjax(); SucuriScanSettingsScanner::cronjobsAjax(); SucuriScanSettingsPosthack::availableUpdatesAjax(); SucuriScanSettingsPosthack::getPluginsAjax(); SucuriScanSettingsPosthack::resetPasswordAjax(); SucuriScanSettingsPosthack::resetPluginAjax(); } wp_send_json(array('ok' => false, 'error' => 'invalid ajax action'), 200); } request.lib.php 0000604 00000010626 14717775511 0007532 0 ustar 00 <?php /** * Code related to the request.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * HTTP request handler. * * Function definitions to retrieve, validate, and clean the parameters during a * HTTP request, generally after a form submission or while loading a URL. Use * these methods at most instead of accessing an index in the global PHP * variables _POST, _GET, _REQUEST since they may come with insecure data. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanRequest extends SucuriScan { /** * Returns the value of the _GET, _POST or _REQUEST key. * * You can pass an additional parameter to execute a regular expression that * will return False if the value doesn't matches what the RegExp defined. * Very useful to filter user input besides form validations. * * @param array $list The array where the specified key will be searched. * @param string $key Name of the variable contained in _POST. * @param string $pattern Optional pattern to match allowed values. * @return array|string|bool Value from the global _GET or _POST variable. */ private static function request($list = array(), $key = '', $pattern = '') { $key = self::varPrefix((string) $key); if (!is_array($list) || !isset($list[$key])) { return false; } $key_value = $list[$key]; /* raw request parameter */ /* if the request data is an array, then only cast the value. */ if ($pattern === '_array' && is_array($key_value)) { return (array) $key_value; } /* match WordPress nonce */ if ($pattern === '_nonce') { $pattern = '[a-z0-9]{10}'; } /* match valid page identifier */ if ($pattern === '_page') { $pattern = '[a-z_]+'; } /* match every data format */ if ($pattern === '') { $pattern = '.*'; } /* check the format of the request data with a regex defined above. */ if (@preg_match('/^' . $pattern . '$/', $key_value)) { return self::escape($key_value); } return false; } /** * Returns the value stored in a specific index in the global _GET variable, * you can specify a pattern as the second argument to match allowed values. * * @param string $key Name of the variable contained in _GET. * @param string $pattern Optional pattern to match allowed values. * @return array|string Value from the global _GET variable. */ public static function get($key = '', $pattern = '') { return self::request($_GET, $key, $pattern); } /** * Returns the value stored in a specific index in the global _POST variable, * you can specify a pattern as the second argument to match allowed values. * * @param string $key Name of the variable contained in _POST. * @param string $pattern Optional pattern to match allowed values. * @return array|string Value from the global _POST variable. */ public static function post($key = '', $pattern = '') { return self::request($_POST, $key, $pattern); } /** * Returns the value stored in a specific index in the global _REQUEST variable, * you can specify a pattern as the second argument to match allowed values. * * @param string $key Name of the variable contained in _REQUEST. * @param string $pattern Optional pattern to match allowed values. * @return array|string Value from the global _REQUEST variable. */ public static function getOrPost($key = '', $pattern = '') { return self::request($_REQUEST, $key, $pattern); } } settings-alerts.php 0000604 00000065675 14717775511 0010443 0 ustar 00 <?php /** * Code related to the settings-alerts.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Returns the HTML to configure who receives the email alerts. * * By default the plugin sends the email notifications about the security events * to the first email address used during the installation of the website. This * is usually the email of the website owner. The plugin allows to add more * emails to the list so the alerts are sent to other people. * * @param bool $nonce True if the CSRF protection worked, false otherwise. * @return string HTML for the email alert recipients. */ function sucuriscan_settings_alerts_recipients($nonce) { $params = array(); $params['Alerts.Recipients'] = ''; $notify_to = SucuriScanOption::getOption(':notify_to'); $emails = array(); // If the recipient list is not empty, explode. if (is_string($notify_to)) { $emails = explode(',', $notify_to); } // Process form submission. if ($nonce) { // Add new email address to the alert recipient list. if (SucuriScanRequest::post(':save_recipient') !== false) { $new_email = SucuriScanRequest::post(':recipient'); if (SucuriScan::isValidEmail($new_email)) { $emails[] = $new_email; $message = sprintf(__('The email alerts will be sent to: <code>%s</code>', 'sucuri-scanner'), $new_email); SucuriScanOption::updateOption(':notify_to', implode(',', $emails)); SucuriScanEvent::reportInfoEvent(sprintf(__('The email alerts will be sent to: %s', 'sucuri-scanner'), $new_email)); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info($message); } else { SucuriScanInterface::error(__('Email format not supported.', 'sucuri-scanner')); } } // Delete one or more recipients from the list. if (SucuriScanRequest::post(':delete_recipients') !== false) { $deleted_emails = array(); $recipients = SucuriScanRequest::post(':recipients', '_array'); foreach ($recipients as $address) { if (in_array($address, $emails)) { $deleted_emails[] = $address; $index = array_search($address, $emails); unset($emails[$index]); } } if (!empty($deleted_emails)) { $deleted_emails_str = implode(",\x20", $deleted_emails); $message = sprintf(__('These emails will stop receiving alerts: <code>%s</code>', 'sucuri-scanner'), $deleted_emails_str); SucuriScanOption::updateOption(':notify_to', implode(',', $emails)); SucuriScanEvent::reportInfoEvent(sprintf(__('These emails will stop receiving alerts: %s', 'sucuri-scanner'), $deleted_emails_str)); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info($message); } } // Debug ability of the plugin to send email alerts correctly. if (SucuriScanRequest::post(':debug_email')) { $recipients = SucuriScanOption::getOption(':notify_to'); $mailSentSuccess = SucuriScanMail::sendMail( $recipients, __('Test Email Alert', 'sucuri-scanner'), sprintf(__('Test email alert sent at %s', 'sucuri-scanner'), SucuriScan::datetime()), array('Force' => true) ); if ($mailSentSuccess) { SucuriScanInterface::info(__('A test alert was sent to your email, check your inbox', 'sucuri-scanner')); }else { SucuriScanInterface::error(__('An error occurred sending email - please check your server mail configuration.', 'sucuri-scanner')); } } } foreach ($emails as $email) { if (!empty($email)) { $params['Alerts.Recipients'] .= SucuriScanTemplate::getSnippet( 'settings-alerts-recipients', array('Recipient.Email' => $email) ); } } return SucuriScanTemplate::getSection('settings-alerts-recipients', $params); } /** * Returns the HTML to configure the list of trusted IPs. * * The plugin will not report security events coming from these IP addresses. If * the users are all from the same network, like in an office, they can include * the IP of the entire LAN as a valid CIDR format. * * @return string HTML for the trusted IP addresses. */ function sucuriscan_settings_alerts_trustedips() { $params = array(); $params['TrustedIPs.List'] = ''; $params['TrustedIPs.NoItems.Visibility'] = 'visible'; $cache = new SucuriScanCache('trustip'); if (SucuriScanInterface::checkNonce()) { // Trust and IP address to ignore alerts for a subnet. $trust_ip = SucuriScanRequest::post(':trust_ip'); if ($trust_ip) { if (SucuriScan::isValidIP($trust_ip) || SucuriScan::isValidCIDR($trust_ip)) { $ip_info = SucuriScan::getIPInfo($trust_ip); $cache_key = md5($ip_info['remote_addr']); $ip_info['added_at'] = time(); if ($cache->exists($cache_key)) { SucuriScanInterface::error(__('The IP specified address was already added.', 'sucuri-scanner')); } elseif ($cache->add($cache_key, $ip_info)) { SucuriScanEvent::reportWarningEvent(sprintf(__('IP has been trusted: %s', 'sucuri-scanner'), $trust_ip)); SucuriScanInterface::info(sprintf(__('Events generated from this IP will be ignored: <code>%s</code>', 'sucuri-scanner'), $trust_ip)); } else { SucuriScanInterface::error(__('The IP address could not be added to the trusted list', 'sucuri-scanner')); } } } // Trust and IP address to ignore alerts for a subnet. $del_trust_ip = SucuriScanRequest::post(':del_trust_ip', '_array'); if ($del_trust_ip) { foreach ($del_trust_ip as $cache_key) { $cache->delete($cache_key); } SucuriScanInterface::info(__('The selected IP addresses were successfully deleted.', 'sucuri-scanner')); } } $trusted_ips = $cache->getAll(); if ($trusted_ips) { foreach ($trusted_ips as $cache_key => $ip_info) { if ($ip_info->cidr_range == 32) { $ip_info->cidr_format = __('n/a', 'sucuri-scanner'); } $params['TrustedIPs.List'] .= SucuriScanTemplate::getSnippet( 'settings-alerts-trustedips', array( 'TrustIP.CacheKey' => $cache_key, 'TrustIP.RemoteAddr' => SucuriScan::escape($ip_info->remote_addr), 'TrustIP.CIDRFormat' => SucuriScan::escape($ip_info->cidr_format), 'TrustIP.AddedAt' => SucuriScan::datetime($ip_info->added_at), ) ); } $params['TrustedIPs.NoItems.Visibility'] = 'hidden'; } return SucuriScanTemplate::getSection('settings-alerts-trustedips', $params); } /** * Returns the HTML to configure the subject for the email alerts. * * @param bool $nonce True if the CSRF protection worked, false otherwise. * @return string HTML for the email alert subject option. */ function sucuriscan_settings_alerts_subject($nonce) { $params = array( 'Alerts.Subject' => '', 'Alerts.CustomChecked' => '', 'Alerts.CustomValue' => '', ); $subjects = array( sprintf(__('Sucuri Alert, %s, %s', 'sucuri-scanner'), ':domain', ':event'), sprintf(__('Sucuri Alert, %s, %s, %s', 'sucuri-scanner'), ':domain', ':event', ':remoteaddr'), sprintf(__('Sucuri Alert, %s, %s, %s', 'sucuri-scanner'), ':domain', ':event', ':username'), sprintf(__('Sucuri Alert, %s, %s, %s', 'sucuri-scanner'), ':domain', ':event', ':email'), sprintf(__('Sucuri Alert, %s, %s', 'sucuri-scanner'), ':event', ':remoteaddr'), sprintf(__('Sucuri Alert, %s, %s', 'sucuri-scanner'), ':event', ':hostname'), sprintf(__('Sucuri Alert, %s', 'sucuri-scanner'), ':event'), ); // Process form submission to change the alert settings. if ($nonce) { $email_subject = SucuriScanRequest::post(':email_subject'); if ($email_subject) { $current_value = SucuriScanOption::getOption(':email_subject'); $new_subject = false; /** * Validate the format of the email subject format. * * If the user chooses the option to build the subject of the email alerts * manually we will need to validate the characters. Otherwise we will need to * check if the pseudo-tags selected by the user are allowed and supported. */ if ($email_subject === 'custom') { $format_pattern = '/^[0-9a-zA-Z:,\s]+$/'; $custom_subject = SucuriScanRequest::post(':custom_email_subject'); if ($custom_subject !== false && !empty($custom_subject) && @preg_match($format_pattern, $custom_subject) ) { $new_subject = trim($custom_subject); } else { SucuriScanInterface::error(__('Invalid characters in the email subject.', 'sucuri-scanner')); } } elseif (is_array($subjects) && in_array($email_subject, $subjects)) { $new_subject = trim($email_subject); } // Proceed with the operation saving the new subject. if ($new_subject !== false && $current_value !== $new_subject) { $message = sprintf(__('Email subject set to <code>%s</code>', 'sucuri-scanner'), $new_subject); SucuriScanOption::updateOption(':email_subject', $new_subject); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(__('The email subject has been successfully updated', 'sucuri-scanner')); } } } // Build the HTML code for the interface. if (is_array($subjects)) { $email_subject = SucuriScanOption::getOption(':email_subject'); $is_official_subject = false; foreach ($subjects as $subject_format) { if ($email_subject === $subject_format) { $is_official_subject = true; $checked = 'checked="checked"'; } else { $checked = ''; } $params['Alerts.Subject'] .= SucuriScanTemplate::getSnippet( 'settings-alerts-subject', array( 'EmailSubject.Name' => $subject_format, 'EmailSubject.Value' => $subject_format, 'EmailSubject.Checked' => $checked, ) ); } if ($is_official_subject === false) { $params['Alerts.CustomChecked'] = 'checked="checked"'; $params['Alerts.CustomValue'] = $email_subject; } } return SucuriScanTemplate::getSection('settings-alerts-subject', $params); } /** * Returns the HTML to configure the maximum number of alerts per hour. * * @param bool $nonce True if the CSRF protection worked, false otherwise. * @return string HTML for the maximum number of alerts per hour. */ function sucuriscan_settings_alerts_perhour($nonce) { $params = array(); $params['Alerts.PerHour'] = ''; $emails_per_hour = array( '5' => __('Maximum 5 per hour', 'sucuri-scanner'), '10' => __('Maximum 10 per hour', 'sucuri-scanner'), '20' => __('Maximum 20 per hour', 'sucuri-scanner'), '40' => __('Maximum 40 per hour', 'sucuri-scanner'), '80' => __('Maximum 80 per hour', 'sucuri-scanner'), '160' => __('Maximum 160 per hour', 'sucuri-scanner'), 'unlimited' => __('Unlimited alerts per hour', 'sucuri-scanner'), ); if ($nonce) { // Update the value for the maximum emails per hour. $per_hour = SucuriScanRequest::post(':emails_per_hour'); if ($per_hour) { if (array_key_exists($per_hour, $emails_per_hour)) { $per_hour_label = strtolower($emails_per_hour[$per_hour]); $message = sprintf(__('Maximum alerts per hour set to <code>%s</code>', 'sucuri-scanner'), $per_hour_label); SucuriScanOption::updateOption(':emails_per_hour', $per_hour); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(__('The maximum number of alerts per hour has been updated', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('Error updating the maximum number of alerts per hour', 'sucuri-scanner')); } } } $per_hour = (int) SucuriScanOption::getOption(':emails_per_hour'); $per_hour_options = SucuriScanTemplate::selectOptions($emails_per_hour, $per_hour); $params['Alerts.PerHour'] = $per_hour_options; return SucuriScanTemplate::getSection('settings-alerts-perhour', $params); } /** * Returns the HTML to configure the trigger for the brute-force alerts. * * @param bool $nonce True if the CSRF protection worked, false otherwise. * @return string HTML for the trigger for the brute-force alerts. */ function sucuriscan_settings_alerts_bruteforce($nonce) { $params = array(); $params['Alerts.BruteForce'] = ''; $max_failed_logins = array( '30' => __('30 failed logins per hour', 'sucuri-scanner'), '60' => __('60 failed logins per hour', 'sucuri-scanner'), '120' => __('120 failed logins per hour', 'sucuri-scanner'), '240' => __('240 failed logins per hour', 'sucuri-scanner'), '480' => __('480 failed logins per hour', 'sucuri-scanner'), ); if ($nonce) { // Update the maximum failed logins per hour before consider it a brute-force attack. $maximum = SucuriScanRequest::post(':maximum_failed_logins'); if ($maximum) { if (array_key_exists($maximum, $max_failed_logins)) { $message = sprintf(__('Consider brute-force attack after <code>%s</code> failed logins per hour', 'sucuri-scanner'), $maximum); SucuriScanOption::updateOption(':maximum_failed_logins', $maximum); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(sprintf(__('The plugin will assume that your website is under a brute-force attack after %s failed logins are detected during the same hour', 'sucuri-scanner'), $maximum)); } else { SucuriScanInterface::error(__('Invalid number of failed logins per hour', 'sucuri-scanner')); } } } $maximum = (int) SucuriScanOption::getOption(':maximum_failed_logins'); $maximum_options = SucuriScanTemplate::selectOptions($max_failed_logins, $maximum); $params['Alerts.BruteForce'] = $maximum_options; return SucuriScanTemplate::getSection('settings-alerts-bruteforce', $params); } /** * Returns the HTML to configure which alerts will be sent. * * @param bool $nonce True if the CSRF protection worked, false otherwise. * @return string HTML for the alerts that will be sent. */ function sucuriscan_settings_alerts_events($nonce) { $params = array(); $params['Alerts.Events'] = ''; $params['Alerts.NoAlertsVisibility'] = 'hidden'; $notify_options = array( 'sucuriscan_notify_plugin_change' => 'setting:' . __('Receive email alerts for changes in the settings of the plugin', 'sucuri-scanner'), 'sucuriscan_prettify_mails' => 'setting:' . __('Receive email alerts in HTML <em>(there may be issues with some mail services)</em>', 'sucuri-scanner'), 'sucuriscan_use_wpmail' => 'setting:' . __('Use WordPress functions to send mails <em>(uncheck to use native PHP functions)</em>', 'sucuri-scanner'), 'sucuriscan_lastlogin_redirection' => 'setting:' . __('Allow redirection after login to report the last-login information', 'sucuri-scanner'), 'sucuriscan_notify_scan_checksums' => 'setting:' . __('Receive email alerts for core integrity checks', 'sucuri-scanner'), 'sucuriscan_notify_available_updates' => 'setting:' . __('Receive email alerts for available updates', 'sucuri-scanner'), 'sucuriscan_notify_user_registration' => 'user:' . __('Receive email alerts for new user registration', 'sucuri-scanner'), 'sucuriscan_notify_success_login' => 'user:' . __('Receive email alerts for successful login attempts', 'sucuri-scanner'), 'sucuriscan_notify_failed_login' => 'user:' . __('Receive email alerts for failed login attempts <em>(you may receive tons of emails)</em>', 'sucuri-scanner'), 'sucuriscan_notify_bruteforce_attack' => 'user:' . __('Receive email alerts for password guessing attacks <em>(summary of failed logins per hour)</em>', 'sucuri-scanner'), 'sucuriscan_notify_post_publication' => 'setting:' . __('Receive email alerts for changes in the post status <em>(configure from Ignore Posts Changes)</em>', 'sucuri-scanner'), 'sucuriscan_notify_website_updated' => 'setting:' . __('Receive email alerts when the WordPress version is updated', 'sucuri-scanner'), 'sucuriscan_notify_settings_updated' => 'setting:' . __('Receive email alerts when your website settings are updated', 'sucuri-scanner'), 'sucuriscan_notify_theme_editor' => 'setting:' . __('Receive email alerts when a file is modified with theme/plugin editor', 'sucuri-scanner'), 'sucuriscan_notify_plugin_installed' => 'plugin:' . __('Receive email alerts when a <b>plugin is installed</b>', 'sucuri-scanner'), 'sucuriscan_notify_plugin_activated' => 'plugin:' . __('Receive email alerts when a <b>plugin is activated</b>', 'sucuri-scanner'), 'sucuriscan_notify_plugin_deactivated' => 'plugin:' . __('Receive email alerts when a <b>plugin is deactivated</b>', 'sucuri-scanner'), 'sucuriscan_notify_plugin_updated' => 'plugin:' . __('Receive email alerts when a <b>plugin is updated</b>', 'sucuri-scanner'), 'sucuriscan_notify_plugin_deleted' => 'plugin:' . __('Receive email alerts when a <b>plugin is deleted</b>', 'sucuri-scanner'), 'sucuriscan_notify_widget_added' => 'widget:' . __('Receive email alerts when a <b>widget is added</b> to a sidebar', 'sucuri-scanner'), 'sucuriscan_notify_widget_deleted' => 'widget:' . __('Receive email alerts when a <b>widget is deleted</b> from a sidebar', 'sucuri-scanner'), 'sucuriscan_notify_theme_installed' => 'theme:' . __('Receive email alerts when a <b>theme is installed</b>', 'sucuri-scanner'), 'sucuriscan_notify_theme_activated' => 'theme:' . __('Receive email alerts when a <b>theme is activated</b>', 'sucuri-scanner'), 'sucuriscan_notify_theme_updated' => 'theme:' . __('Receive email alerts when a <b>theme is updated</b>', 'sucuri-scanner'), 'sucuriscan_notify_theme_deleted' => 'theme:' . __('Receive email alerts when a <b>theme is deleted</b>', 'sucuri-scanner'), ); /** * Hide successful and failed logins option. * * Due to an incompatibility with the Postman-SMTP plugin we cannot sent * email alerts when a successful or failed user authentication happens, the * result is an infinite loop while our plugin tries to notify about changes * in the posts and the other plugin creates temporary post objects to track * the emails. * * @date 30 June, 2017 * @see https://wordpress.org/plugins/postman-smtp/ * @see https://wordpress.org/support/topic/unable-to-access-wordpress-dashboard-after-update-to-1-8-7/ */ if (is_plugin_active('postman-smtp/postman-smtp.php')) { $params['Alerts.NoAlertsVisibility'] = 'visible'; unset($notify_options['sucuriscan_notify_success_login']); unset($notify_options['sucuriscan_notify_failed_login']); } // Process form submission to change the alert settings. if ($nonce) { // Update the notification settings. if (SucuriScanRequest::post(':save_alert_events') !== false) { $ucounter = 0; foreach ($notify_options as $alert_type => $alert_label) { $option_value = SucuriScanRequest::post($alert_type, '(1|0)'); if ($option_value !== false) { $current_value = SucuriScanOption::getOption($alert_type); $option_value = ($option_value == 1) ? 'enabled' : 'disabled'; // Check that the option value was actually changed. if ($current_value !== $option_value) { $written = SucuriScanOption::updateOption($alert_type, $option_value); $ucounter += ($written === true) ? 1 : 0; } } } if ($ucounter > 0) { $message = sprintf(__('A total of %s alert events were changed', 'sucuri-scanner'), $ucounter ); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(__('The alert settings have been updated', 'sucuri-scanner')); } } } /* build the HTML code for the checkbox input fields */ foreach ($notify_options as $alert_type => $alert_label) { $alert_value = SucuriScanOption::getOption($alert_type); $checked = ($alert_value == 'enabled') ? 'checked="checked"' : ''; $alert_icon = ''; /* identify the optional icon */ $offset = strpos($alert_label, ':'); $alert_group = substr($alert_label, 0, $offset); $alert_label = substr($alert_label, $offset + 1); switch ($alert_group) { case 'user': $alert_icon = 'dashicons-before dashicons-admin-users'; break; case 'plugin': $alert_icon = 'dashicons-before dashicons-admin-plugins'; break; case 'theme': $alert_icon = 'dashicons-before dashicons-admin-appearance'; break; case 'setting': $alert_icon = 'dashicons-before dashicons-admin-tools'; break; case 'widget': $alert_icon = 'dashicons-before dashicons-admin-post'; break; } $params['Alerts.Events'] .= SucuriScanTemplate::getSnippet( 'settings-alerts-events', array( 'Event.Name' => $alert_type, 'Event.Checked' => $checked, 'Event.Label' => $alert_label, 'Event.LabelIcon' => $alert_icon, ) ); } return SucuriScanTemplate::getSection('settings-alerts-events', $params); } /** * Returns the HTML to configure the post-types that will be ignored. * * @return string HTML for the ignored post-types. */ function sucuriscan_settings_alerts_ignore_posts() { $params = array(); $post_types = SucuriScanOption::getPostTypes(); $ignored_events = SucuriScanOption::getIgnoredEvents(); $params['PostTypes.List'] = ''; $params['PostTypes.ErrorVisibility'] = 'hidden'; if (SucuriScanInterface::checkNonce()) { // Ignore a new event for email alerts. $action = SucuriScanRequest::post(':ignorerule_action'); $ignore_rule = SucuriScanRequest::post(':ignorerule'); $selected = SucuriScanRequest::post(':posttypes', '_array'); if ($action === 'add') { if (!preg_match('/^[a-z0-9_\-]{1,20}+$/', $ignore_rule)) { SucuriScanInterface::error(__('Only lowercase letters, numbers, underscores and hyphens are allowed. Post Types cannot exceed 20 characters as well.', 'sucuri-scanner')); } elseif (array_key_exists($ignore_rule, $ignored_events)) { SucuriScanInterface::error(__('The post-type is already being ignored (duplicate).', 'sucuri-scanner')); } else { $ignored_events[$ignore_rule] = time(); SucuriScanInterface::info(__('Post-type has been successfully ignored.', 'sucuri-scanner')); SucuriScanOption::updateOption(':ignored_events', $ignored_events); SucuriScanEvent::reportWarningEvent(sprintf(__('Changes in <code>%s</code> post-type will be ignored', 'sucuri-scanner'), $ignore_rule)); } } if ($action === 'batch') { /* reset current data to start all over again */ $ignored_events = array(); $timestamp = time(); foreach ($post_types as $post_type) { if (is_array($selected) && !in_array($post_type, $selected)) { $ignored_events[$post_type] = $timestamp; } } SucuriScanInterface::info(__('List of monitored post-types has been updated.', 'sucuri-scanner')); SucuriScanOption::updateOption(':ignored_events', $ignored_events); SucuriScanEvent::reportWarningEvent(__('List of monitored post-types has been updated', 'sucuri-scanner')); } } /* notifications are post updates are disabled; print error */ if (SucuriScanOption::isDisabled(':notify_post_publication')) { $params['PostTypes.ErrorVisibility'] = 'visible'; $params['PostTypes.List'] = sprintf('<tr><td colspan="4">%s</td></tr>', __('no data available', 'sucuri-scanner')); return SucuriScanTemplate::getSection('settings-alerts-ignore-posts', $params); } /* Check which post-types are being ignored */ foreach ($post_types as $post_type) { $was_ignored_at = '--'; $selected = 'checked="checked"'; $post_type_title = ucwords(str_replace('_', "\x20", $post_type)); if (array_key_exists($post_type, $ignored_events)) { $was_ignored_at = SucuriScan::datetime($ignored_events[$post_type]); $selected = ''; /* uncheck the HTML checkbox */ } $params['PostTypes.List'] .= SucuriScanTemplate::getSnippet( 'settings-alerts-ignore-posts', array( 'PostTypes.Selected' => $selected, 'PostTypes.UniqueID' => $post_type, 'PostTypes.Title' => $post_type_title, 'PostTypes.IgnoredAt' => $was_ignored_at, ) ); } return SucuriScanTemplate::getSection('settings-alerts-ignore-posts', $params); } settings-apiservice.php 0000604 00000014613 14717775511 0011265 0 ustar 00 <?php /** * Code related to the settings-apiservice.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Returns the HTML to configure the API service status. * * @param bool $nonce True if the CSRF protection worked, false otherwise. * @return string HTML for the API service status option. */ function sucuriscan_settings_apiservice_status($nonce) { $api_url_is_set = SucuriScan::issetScanApiUrl(); $params = array(); if ($nonce) { // Enable or disable the API service communication. $api_service = SucuriScanRequest::post(':api_service', '(en|dis)able'); if ($api_service) { if (!$api_url_is_set) { SucuriScanInterface::error(__('The status of the API service could not be enabled because the required SUCURISCAN_API_URL configuration was not found.', 'sucuri-scanner')); } else { $action_d = $api_service . 'd'; $message = sprintf(__('API service communication was <code>%s</code>', 'sucuri-scanner'), $action_d); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanOption::updateOption(':api_service', $action_d); SucuriScanInterface::info(__('The status of the API service has been changed', 'sucuri-scanner')); } } } $api_service_option = SucuriScanOption::getOption(':api_service'); if ($api_service_option === 'enabled') { $params['ApiStatus.StatusNum'] = '1'; $params['ApiStatus.Status'] = __('Enabled', 'sucuri-scanner'); $params['ApiStatus.SwitchText'] = __('Disable', 'sucuri-scanner'); $params['ApiStatus.SwitchValue'] = 'disable'; $params['ApiStatus.WarningVisibility'] = 'visible'; $params['ApiStatus.ErrorVisibility'] = 'hidden'; } if ($api_service_option === 'disabled' || !$api_url_is_set) { $params['ApiStatus.StatusNum'] = '2'; $params['ApiStatus.Status'] = __('Disabled', 'sucuri-scanner'); $params['ApiStatus.SwitchText'] = __('Enable', 'sucuri-scanner'); $params['ApiStatus.SwitchValue'] = 'enable'; $params['ApiStatus.WarningVisibility'] = 'hidden'; $params['ApiStatus.ErrorVisibility'] = 'visible'; } if ($api_service_option === 'disabled' && $api_url_is_set) { $params['ApiStatus.StatusNum'] = '0'; } $params['ApiStatus.ServiceURL'] = !$api_url_is_set ? __('Service API URL not set. To enable the API service, add your custom API service URL as the SUCURISCAN_API_URL constant value to the main configuration file (wp-config.php). If you do not have a custom API to store the audit logs, the plugin will still store these logs on your hosting environment.') : __('Service API URL: '). SUCURISCAN_API_URL; $api_key = SucuriScanAPI::getPluginKey(); $params['ApiStatus.ApiKey'] = $api_key ? $api_key : __('NONE', 'sucuri-scanner'); return SucuriScanTemplate::getSection('settings-apiservice-status', $params); } /** * Returns the HTML to configure the API service proxy. * * @return string HTML for the API service proxy option. */ function sucuriscan_settings_apiservice_proxy() { $params = array( 'APIProxy.Host' => 'no_proxy_host', 'APIProxy.Port' => 'no_proxy_port', 'APIProxy.Username' => 'no_proxy_username', 'APIProxy.Password' => 'no_proxy_password', 'APIProxy.PasswordType' => 'default', 'APIProxy.PasswordText' => 'empty', ); if (class_exists('WP_HTTP_Proxy')) { $wp_http_proxy = new WP_HTTP_Proxy(); if ($wp_http_proxy->is_enabled()) { $proxy_host = SucuriScan::escape($wp_http_proxy->host()); $proxy_port = SucuriScan::escape($wp_http_proxy->port()); $proxy_username = SucuriScan::escape($wp_http_proxy->username()); $proxy_password = SucuriScan::escape($wp_http_proxy->password()); $params['APIProxy.Host'] = $proxy_host; $params['APIProxy.Port'] = $proxy_port; $params['APIProxy.Username'] = $proxy_username; $params['APIProxy.Password'] = $proxy_password; $params['APIProxy.PasswordType'] = 'info'; $params['APIProxy.PasswordText'] = 'hidden'; } } return SucuriScanTemplate::getSection('settings-apiservice-proxy', $params); } /** * Returns the HTML to configure the URL for the checkums API. * * @param bool $nonce True if the CSRF protection worked, false otherwise. * @return string HTML for the URL for the checksums API service. */ function sucuriscan_settings_apiservice_checksums($nonce) { $params = array(); $url = SucuriScanRequest::post(':checksum_api'); if ($nonce && $url !== false) { /* https://github.com/WordPress/WordPress - OR - WordPress/WordPress */ $pattern = '/^(https:\/\/github\.com\/)?([0-9a-zA-Z_]+\/[0-9a-zA-Z_]+)/'; if (@preg_match($pattern, $url, $match)) { SucuriScanOption::updateOption(':checksum_api', $match[2]); $message = sprintf(__('Core integrity API changed: %s', 'sucuri-scanner'), SucuriScanAPI::checksumAPI()); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(__('The URL to retrieve the WordPress checksums has been changed', 'sucuri-scanner')); } else { SucuriScanOption::deleteOption(':checksum_api'); $message = sprintf(__('Core integrity API changed: %s', 'sucuri-scanner'), SucuriScanAPI::checksumAPI()); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(__('The URL to retrieve the WordPress checksums has been changed', 'sucuri-scanner')); } } $params['ChecksumsAPI'] = SucuriScanAPI::checksumAPI(); return SucuriScanTemplate::getSection('settings-apiservice-checksums', $params); } settings-general.php 0000604 00000055225 14717775511 0010554 0 ustar 00 <?php /** * Code related to the settings-general.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Renders a page with information about the reset options feature. * * @param bool $nonce True if the CSRF protection worked. * @return string Page with information about the reset options. */ function sucuriscan_settings_general_resetoptions($nonce) { // Reset all the plugin's options. if ($nonce && SucuriScanRequest::post(':reset_options') !== false) { $process = SucuriScanRequest::post(':process_form'); if (intval($process) === 1) { $message = __('Local security logs, hardening and settings were deleted', 'sucuri-scanner'); sucuriscanResetAndDeactivate(); /* simulate plugin deactivation */ SucuriScanEvent::reportCriticalEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(__('Local security logs, hardening and settings were deleted', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('You need to confirm that you understand the risk of this operation.', 'sucuri-scanner')); } } return SucuriScanTemplate::getSection('settings-general-resetoptions'); } /** * Renders a page with information about the data storage feature. * * @param bool $nonce True if the CSRF protection worked. * @return string Page with information about the data storage. */ function sucuriscan_settings_general_datastorage($nonce) { $params = array(); $files = array( '<root>' => __('Directory used to store the plugin settings, cache and system logs', 'sucuri-scanner'), 'auditlogs' => sprintf(__('Cache to store the system logs obtained from the API service; expires after %s seconds.', 'sucuri-scanner'), SUCURISCAN_AUDITLOGS_LIFETIME), 'auditqueue' => __('Local queue to store the most recent logs before they are sent to the remote API service.', 'sucuri-scanner'), 'blockedusers' => __('Deprecated on 1.8.12; it was used to store a list of blocked user names.', 'sucuri-scanner'), /* TODO: deprecated on 1.8.12 */ 'failedlogins' => __('Stores the data for every failed login attempt. The data is moved to "oldfailedlogins" every hour during a brute force password attack.', 'sucuri-scanner'), 'hookdata' => __('Temporarily stores data to complement the logs during destructive operations like deleting a post, page, comment, etc.', 'sucuri-scanner'), 'ignorescanning' => __('Stores a list of files and folders chosen by the user to be ignored by the file system scanner.', 'sucuri-scanner'), 'integrity' => __('Stores a list of files marked as fixed by the user via the WordPress Integrity tool.', 'sucuri-scanner'), 'lastlogins' => __('Stores the data associated to every successful user login. The data never expires; manually delete if the file is too large.', 'sucuri-scanner'), 'oldfailedlogins' => __('Stores the data for every failed login attempt after the plugin sends a report about a brute force password attack via email.', 'sucuri-scanner'), 'plugindata' => sprintf(__('Cache to store the data associated to the installed plugins listed in the Post-Hack page. Expires after %s seconds.', 'sucuri-scanner'), SUCURISCAN_GET_PLUGINS_LIFETIME), 'settings' => __('Stores all the options used to configure the functionality and behavior of the plugin.', 'sucuri-scanner'), 'sitecheck' => sprintf(__('Cache to store the result of the malware scanner. Expires after %s seconds, reset at any time to force a re-scan.', 'sucuri-scanner'), SUCURISCAN_SITECHECK_LIFETIME), 'trustip' => __('Stores a list of IP addresses trusted by the plugin, events triggered by one of these IPs will not be reported to the remote monitoring API service.', 'sucuri-scanner'), ); $params['Storage.Files'] = ''; $params['Storage.Path'] = SucuriScan::dataStorePath(); if ($nonce) { $filenames = SucuriScanRequest::post(':filename', '_array'); if ($filenames) { $deleted = 0; foreach ($filenames as $filename) { $short = substr($filename, 7); /* drop directroy path */ $short = substr($short, 0, -4); /* drop file extension */ if (!$short || empty($short) || !array_key_exists($short, $files)) { continue; /* prevent path traversal */ } $filepath = SucuriScan::dataStorePath($filename); if (!file_exists($filepath) || is_dir($filepath)) { continue; /* there is nothing to reset */ } /* ignore write permissions */ if (@unlink($filepath)) { $deleted++; } } // Register on audit logs and return result. SucuriScanEvent::reportInfoEvent( sprintf( __('%s were deleted.', 'sucuri-scanner'), implode(', ', $filenames) ) ); SucuriScanInterface::info( sprintf( __('%d out of %d files have been deleted.', 'sucuri-scanner'), $deleted, count($filenames) ) ); } } foreach ($files as $name => $desc) { if ($name === '<root>') { /* convert to folder */ $name = ''; } $fsize = 0; $fname = ($name ? sprintf('sucuri-%s.php', $name) : ''); $fpath = SucuriScan::dataStorePath($fname); $disabled = 'disabled="disabled"'; $iswritable = __('Not Writable', 'sucuri-scanner'); $exists = __('Does Not Exist', 'sucuri-scanner'); $labelExistence = 'danger'; $labelWritability = 'default'; if (file_exists($fpath)) { $fsize = @filesize($fpath); $exists = __('Exists', 'sucuri-scanner'); $labelExistence = 'success'; $labelWritability = 'danger'; if (is_writable($fpath)) { $disabled = ''; /* Allow file deletion */ $iswritable = __('Writable', 'sucuri-scanner'); $labelWritability = 'success'; } } $params['Storage.Filename'] = $fname; $params['Storage.Filepath'] = str_replace(ABSPATH, '', $fpath); $params['Storage.Filesize'] = SucuriScan::humanFileSize($fsize); $params['Storage.Exists'] = $exists; $params['Storage.IsWritable'] = $iswritable; $params['Storage.DisabledInput'] = $disabled; $params['Storage.Existence'] = $labelExistence; $params['Storage.Writability'] = $labelWritability; $params['Storage.Description'] = $desc; if (is_dir($fpath)) { $params['Storage.Filesize'] = ''; $params['Storage.DisabledInput'] = 'disabled="disabled"'; } $params['Storage.Files'] .= SucuriScanTemplate::getSnippet('settings-general-datastorage', $params); } return SucuriScanTemplate::getSection('settings-general-datastorage', $params); } /** * Returns the path to the local event monitoring file. * * The website owner can configure the plugin to send a copy of the security * events to a local file that can be integrated with other monitoring systems * like OSSEC, OpenVAS, NewRelic and similar. * * @return string|bool Path to the log file, false if disabled. */ function sucuriscan_selfhosting_fpath() { $monitor = SucuriScanOption::getOption(':selfhosting_monitor'); $monitor_fpath = SucuriScanOption::getOption(':selfhosting_fpath'); $folder = dirname($monitor_fpath); if ($monitor === 'enabled' && !empty($monitor_fpath) && is_writable($folder) ) { return $monitor_fpath; } return false; } /** * Renders a page with information about the self-hosting feature. * * @param bool $nonce True if the CSRF protection worked. * @return string Page with information about the self-hosting. */ function sucuriscan_settings_general_selfhosting($nonce) { $params = array(); $params['SelfHosting.DisabledVisibility'] = 'visible'; $params['SelfHosting.Status'] = __('Enabled', 'sucuri-scanner'); $params['SelfHosting.SwitchText'] = __('Disable', 'sucuri-scanner'); $params['SelfHosting.SwitchValue'] = 'disable'; $params['SelfHosting.FpathVisibility'] = 'hidden'; $params['SelfHosting.Fpath'] = ''; if ($nonce) { // Set a file path for the self-hosted event monitor. $monitor_fpath = SucuriScanRequest::post(':selfhosting_fpath'); if ($monitor_fpath !== false) { if (empty($monitor_fpath)) { $message = __('Log exporter was disabled', 'sucuri-scanner'); SucuriScanEvent::reportInfoEvent($message); SucuriScanOption::deleteOption(':selfhosting_fpath'); SucuriScanOption::updateOption(':selfhosting_monitor', 'disabled'); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(__('The log exporter feature has been disabled', 'sucuri-scanner')); } elseif (strpos($monitor_fpath, $_SERVER['DOCUMENT_ROOT']) !== false) { SucuriScanInterface::error(__('File should not be publicly accessible.', 'sucuri-scanner')); } elseif (file_exists($monitor_fpath)) { SucuriScanInterface::error(__('File already exists and will not be overwritten.', 'sucuri-scanner')); } elseif (!is_writable(dirname($monitor_fpath))) { SucuriScanInterface::error(__('File parent directory is not writable.', 'sucuri-scanner')); } else { @file_put_contents($monitor_fpath, '', LOCK_EX); $message = __('Log exporter file path was correctly set', 'sucuri-scanner'); SucuriScanEvent::reportInfoEvent($message); SucuriScanOption::updateOption(':selfhosting_monitor', 'enabled'); SucuriScanOption::updateOption(':selfhosting_fpath', $monitor_fpath); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(__('The log exporter feature has been enabled and the data file was successfully set.', 'sucuri-scanner')); } } } $monitor = SucuriScanOption::getOption(':selfhosting_monitor'); $monitor_fpath = SucuriScanOption::getOption(':selfhosting_fpath'); if ($monitor === 'disabled') { $params['SelfHosting.Status'] = __('Disabled', 'sucuri-scanner'); $params['SelfHosting.SwitchText'] = __('Enable', 'sucuri-scanner'); $params['SelfHosting.SwitchValue'] = 'enable'; } if ($monitor === 'enabled' && $monitor_fpath) { $params['SelfHosting.DisabledVisibility'] = 'hidden'; $params['SelfHosting.FpathVisibility'] = 'visible'; $params['SelfHosting.Fpath'] = SucuriScan::escape($monitor_fpath); } return SucuriScanTemplate::getSection('settings-general-selfhosting', $params); } /** * Renders a page with information about the reverse proxy feature. * * @param bool $nonce True if the CSRF protection worked. * @return string Page with information about the reverse proxy. */ function sucuriscan_settings_general_reverseproxy($nonce) { $params = array( 'ReverseProxyStatus' => __('Enabled', 'sucuri-scanner'), 'ReverseProxySwitchText' => __('Disable', 'sucuri-scanner'), 'ReverseProxySwitchValue' => 'disable', ); // Enable or disable the reverse proxy support. if ($nonce) { $revproxy = SucuriScanRequest::post(':revproxy', '(en|dis)able'); if ($revproxy) { if ($revproxy === 'enable') { SucuriScanOption::setRevProxy('enable'); SucuriScanOption::setAddrHeader('HTTP_X_SUCURI_CLIENTIP'); } else { SucuriScanOption::setRevProxy('disable'); SucuriScanOption::setAddrHeader('REMOTE_ADDR'); } } } if (SucuriScanOption::isDisabled(':revproxy')) { $params['ReverseProxyStatus'] = __('Disabled', 'sucuri-scanner'); $params['ReverseProxySwitchText'] = __('Enable', 'sucuri-scanner'); $params['ReverseProxySwitchValue'] = 'enable'; } return SucuriScanTemplate::getSection('settings-general-reverseproxy', $params); } /** * Renders a page with information about the IP discoverer feature. * * @param bool $nonce True if the CSRF protection worked. * @return string Page with information about the IP discoverer. */ function sucuriscan_settings_general_ipdiscoverer($nonce) { $params = array( 'TopLevelDomain' => __('unknown', 'sucuri-scanner'), 'WebsiteHostName' => __('unknown', 'sucuri-scanner'), 'WebsiteHostAddress' => __('unknown', 'sucuri-scanner'), 'IsUsingFirewall' => __('unknown', 'sucuri-scanner'), 'WebsiteURL' => __('unknown', 'sucuri-scanner'), 'RemoteAddress' => '127.0.0.1', 'RemoteAddressHeader' => __('INVALID', 'sucuri-scanner'), 'AddrHeaderOptions' => '', /* Switch form information. */ 'DnsLookupsStatus' => __('Enabled', 'sucuri-scanner'), 'DnsLookupsSwitchText' => __('Disable', 'sucuri-scanner'), 'DnsLookupsSwitchValue' => 'disable', ); // Get main HTTP header for IP retrieval. $allowed_headers = SucuriScan::allowedHttpHeaders(true); // Configure the DNS lookups option for reverse proxy detection. if ($nonce) { $dns_lookups = SucuriScanRequest::post(':dns_lookups', '(en|dis)able'); $addr_header = SucuriScanRequest::post(':addr_header'); if ($dns_lookups) { $action_d = $dns_lookups . 'd'; $message = sprintf(__('DNS lookups for reverse proxy detection <code>%s</code>', 'sucuri-scanner'), $action_d); SucuriScanOption::updateOption(':dns_lookups', $action_d); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(__('The status of the DNS lookups for the reverse proxy detection has been changed', 'sucuri-scanner')); } if ($addr_header) { if ($addr_header === 'REMOTE_ADDR') { SucuriScanOption::setAddrHeader('REMOTE_ADDR'); SucuriScanOption::setRevProxy('disable'); } else { SucuriScanOption::setAddrHeader($addr_header); SucuriScanOption::setRevProxy('enable'); } } } if (SucuriScanOption::isDisabled(':dns_lookups')) { $params['DnsLookupsStatus'] = __('Disabled', 'sucuri-scanner'); $params['DnsLookupsSwitchText'] = __('Enable', 'sucuri-scanner'); $params['DnsLookupsSwitchValue'] = 'enable'; } $proxy_info = SucuriScan::isBehindFirewall(true); $base_domain = SucuriScan::getDomain(true); $params['TopLevelDomain'] = $proxy_info['http_host']; $params['WebsiteHostName'] = $proxy_info['host_name']; $params['WebsiteHostAddress'] = $proxy_info['host_addr']; $params['RemoteAddressHeader'] = SucuriScan::getRemoteAddrHeader(); $params['RemoteAddress'] = SucuriScan::getRemoteAddr(); $params['WebsiteURL'] = SucuriScan::getDomain(); $params['AddrHeaderOptions'] = SucuriScanTemplate::selectOptions( $allowed_headers, /* list is limited to a few options */ SucuriScanOption::getOption(':addr_header') ); $params['IsUsingFirewall'] = $proxy_info['status'] ? 'active' : 'not active'; if ($base_domain !== $proxy_info['http_host']) { $params['TopLevelDomain'] = sprintf('%s (%s)', $params['TopLevelDomain'], $base_domain); } return SucuriScanTemplate::getSection('settings-general-ipdiscoverer', $params); } /** * Renders a page with information about the import export feature. * * @param bool $nonce True if the CSRF protection worked. * @return string Page with information about the import export. */ function sucuriscan_settings_general_importexport($nonce) { $settings = array(); $params = array(); $allowed = array( ':addr_header', ':api_protocol', ':api_service', ':cloudproxy_apikey', ':diff_utility', ':dns_lookups', ':email_subject', ':emails_per_hour', ':ignored_events', ':lastlogin_redirection', ':maximum_failed_logins', ':notify_available_updates', ':notify_bruteforce_attack', ':notify_failed_login', ':notify_plugin_activated', ':notify_plugin_change', ':notify_plugin_deactivated', ':notify_plugin_deleted', ':notify_plugin_installed', ':notify_plugin_updated', ':notify_post_publication', ':notify_scan_checksums', ':notify_settings_updated', ':notify_success_login', ':notify_theme_activated', ':notify_theme_deleted', ':notify_theme_editor', ':notify_theme_installed', ':notify_theme_updated', ':notify_to', ':notify_user_registration', ':notify_website_updated', ':notify_widget_added', ':notify_widget_deleted', ':prettify_mails', ':revproxy', ':selfhosting_fpath', ':selfhosting_monitor', ':use_wpmail', ); if ($nonce && SucuriScanRequest::post(':import') !== false) { $process = SucuriScanRequest::post(':process_form'); if (intval($process) === 1) { $json = SucuriScanRequest::post(':settings'); $json = str_replace('\"', '"', $json); $data = @json_decode($json, true); if ($data) { $count = 0; $total = count($data); /* minimum length for option name */ $minLength = strlen(SUCURISCAN . '_'); foreach ($data as $option => $value) { if (strlen($option) <= $minLength) { continue; } $option_name = ':' . substr($option, $minLength); /* check if the option can be imported */ if (!in_array($option_name, $allowed)) { continue; } SucuriScanOption::updateOption($option_name, $value); $count++; } /* import trusted ip addresses */ if (array_key_exists('trusted_ips', $data) && is_array($data)) { $cache = new SucuriScanCache('trustip'); foreach ($data['trusted_ips'] as $trustedIP) { $trustedIP = str_replace('\/', '/', $trustedIP); $trustedIP = str_replace('/32', '', $trustedIP); if (SucuriScan::isValidIP($trustedIP) || SucuriScan::isValidCIDR($trustedIP)) { $ipInfo = SucuriScan::getIPInfo($trustedIP); $cacheKey = md5($ipInfo['remote_addr']); $ipInfo['added_at'] = time(); if (!$cache->exists($cacheKey)) { $cache->add($cacheKey, $ipInfo); } } } } SucuriScanInterface::info( sprintf( __('%d out of %d option have been successfully imported', 'sucuri-scanner'), $count, $total ) ); } else { SucuriScanInterface::error(__('Data is incorrectly encoded', 'sucuri-scanner')); } } else { SucuriScanInterface::error(__('You need to confirm that you understand the risk of this operation.', 'sucuri-scanner')); } } foreach ($allowed as $option) { $option_name = SucuriScan::varPrefix($option); $settings[$option_name] = SucuriScanOption::getOption($option); } /* include the trusted IP address list */ $settings['trusted_ips'] = array(); $cache = new SucuriScanCache('trustip'); $trusted = $cache->getAll(); foreach ($trusted as $trustedIP) { $settings['trusted_ips'][] = $trustedIP->cidr_format; } $params['Export'] = @json_encode($settings); return SucuriScanTemplate::getSection('settings-general-importexport', $params); } /** * Renders a page with the option to configure the timezone. * * @param bool $nonce True if the CSRF protection worked. * @return string Page to configure the timezone. */ function sucuriscan_settings_general_timezone($nonce) { $params = array(); $current = time(); $options = array(); $offsets = array( -12.0, -11.5, -11.0, -10.5, -10.0, -9.50, -9.00, -8.50, -8.00, -7.50, -7.00, -6.50, -6.00, -5.50, -5.00, -4.50, -4.00, -3.50, -3.00, -2.50, -2.00, -1.50, -1.00, -0.50, +0.00, +0.50, +1.00, +1.50, +2.00, +2.50, +3.00, +3.50, +4.00, +4.50, +5.00, +5.50, +5.75, +6.00, +6.50, +7.00, +7.50, +8.00, +8.50, +8.75, +9.00, +9.50, 10.00, 10.50, 11.00, 11.50, 12.00, 12.75, 13.00, 13.75, 14.00 ); foreach ($offsets as $hour) { $sign = ($hour < 0) ? '-' : '+'; $fill = (abs($hour) < 10) ? '0' : ''; $keyname = sprintf('UTC%s%s%.2f', $sign, $fill, abs($hour)); $label = date('d M, Y H:i:s', $current + ($hour * 3600)); $options[$keyname] = $keyname . ' (' . $label . ')'; } if ($nonce) { $pattern = 'UTC[\-\+][0-9]{2}\.[0-9]{2}'; $timezone = SucuriScanRequest::post(':timezone', $pattern); if ($timezone) { $message = sprintf(__('Timezone override will use %s', 'sucuri-scanner'), $timezone); SucuriScanOption::updateOption(':timezone', $timezone); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(__('The timezone for the date and time in the audit logs has been changed', 'sucuri-scanner')); } } $val = SucuriScanOption::getOption(':timezone'); $params['Timezone.Dropdown'] = SucuriScanTemplate::selectOptions($options, $val); $params['Timezone.Example'] = SucuriScan::datetime(); return SucuriScanTemplate::getSection('settings-general-timezone', $params); } settings-hardening.php 0000604 00000104653 14717775511 0011076 0 ustar 00 <?php /** * Code related to the settings-hardening.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Renders the content of the plugin's hardening page. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanHardeningPage extends SucuriScan { /** * Generate the HTML code necessary to show a form with the options to harden * a specific part of the WordPress installation, if the Status variable is * set as a positive integer the button is shown as "unharden". * * @param array $args Array with template variables to replace. * @return string HTML code with the replaced template variables. */ private static function drawSection($args = array()) { $params = array(); $params['Hardening.Title'] = ''; $params['Hardening.Status'] = ''; $params['Hardening.FieldName'] = ''; $params['Hardening.FieldText'] = ''; $params['Hardening.FieldAttrs'] = ''; $params['Hardening.Description'] = ''; foreach ($args as $keyname => $value) { $params[$keyname] = $value; } if (!empty($params['Hardening.FieldName'])) { $params['Hardening.FieldName'] = sprintf( '%s_hardening_%s', SUCURISCAN, $params['Hardening.FieldName'] ); } return SucuriScanTemplate::getSnippet('settings-hardening-options', $params); } /** * Checks if the request has a valid nonce to prevent a CSRF. * * @param string $function Name of the action that was executed. * @return bool True if the request has a valid CSRF protection. */ private static function processRequest($function) { return (bool)(SucuriScanInterface::checkNonce() /* CSRF protection */ && SucuriScanRequest::post(':hardening_' . $function)); } /** * Checks if the Firewall service is enabled and configured. * * WAF is a protection layer for your web site, blocking all sort of attacks * (brute force attempts, DDoS, SQL injections, etc) and helping it remain * malware and blocklist free. This test checks if your site is using Sucuri * Firewall to protect your site. * * @return string HTML code with the replaced template variables. */ public static function firewall() { $params = array(); if (self::processRequest(__FUNCTION__)) { SucuriScanInterface::error( __( 'The firewall is a premium service that you need purchase at - <a href="https://sucuri.net/website-firewall/signup" target="_blank">Sucuri Firewall</a>', 'sucuri-scanner' ) ); } $params['Hardening.FieldName'] = __FUNCTION__; $params['Hardening.Title'] = __('Enable Website Firewall Protection', 'sucuri-scanner'); $params['Hardening.Description'] = __( 'A WAF is a protection layer for your web site, blocking all sort of attacks (brute force attempts, DDoS, SQL injections, etc) and helping it remain malware and blocklist free. This test checks if your site is using Sucuri Firewall to protect your site.', 'sucuri-scanner' ); if (!SucuriScan::isBehindFirewall()) { $params['Hardening.Status'] = 0; $params['Hardening.FieldText'] = __('Apply Hardening', 'sucuri-scanner'); } else { $params['Hardening.Status'] = 1; $params['Hardening.FieldAttrs'] = 'disabled'; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); } return self::drawSection($params); } /** * Checks if the WordPress version is the latest available. * * Why keep your site updated? WordPress is an open-source project which * means that with every update the details of the changes made to the * source code are made public, if there were security fixes then someone * with malicious intent can use this information to attack any site that * has not been upgraded. * * @return HTML with the information about this hardening option. */ public static function wpversion() { $params = array(); $updates = get_core_updates(); $site_version = SucuriScan::siteVersion(); $params['URL.Settings'] = admin_url('update-core.php'); $params['Hardening.Status'] = 0; $params['Hardening.FieldText'] = __('Check Updates Now', 'sucuri-scanner'); $params['Hardening.Title'] = __('Verify WordPress Version', 'sucuri-scanner'); $params['Hardening.Description'] = __( 'Why keep your site updated? WordPress is an open-source project which means that with every update the details of the changes made to the source code are made public, if there were security fixes then someone with malicious intent can use this information to attack any site that has not been upgraded.', 'sucuri-scanner' ); if (isset($updates[0]) && $updates[0] instanceof stdClass) { if ($updates[0]->response == 'latest' || $updates[0]->response == 'development') { $params['Hardening.FieldText'] = __('WordPress Update Available', 'sucuri-scanner'); $params['Hardening.FieldAttrs'] = 'disabled'; $params['Hardening.Status'] = 1; } } return self::drawSection($params); } /** * Notify the state of the hardening for the removal of the Generator tag in * HTML code printed by WordPress to show the current version number of the * installation. * * @return HTML with the information about this hardening option. */ public static function wpgenerator() { $params = array(); $params['Hardening.Title'] = __('Remove WordPress Version', 'sucuri-scanner'); $params['Hardening.Status'] = 1; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); $params['Hardening.FieldAttrs'] = 'disabled'; $params['Hardening.Description'] = __( 'It checks if your WordPress version is being leaked to the public via a HTML meta-tag. Many web vulnerability scanners use this to determine which version of the code is running in your website. They use this to find disclosed vulnerabilities associated to this version number. A vulnerability scanner can still guess which version of WordPress is installed by comparing the checksum of some static files.', 'sucuri-scanner' ); return self::drawSection($params); } /** * Offers information to apply a hardening to an Nginx installation. * * @return HTML with the information about this hardening option. */ public static function nginxphp() { if (!SucuriScan::isNginxServer()) { return ''; /* empty page */ } $params = array(); if (self::processRequest(__FUNCTION__)) { SucuriScanInterface::error( __( 'Read the official WordPress guidelines to learn how to restrict access to PHP files in sensitive directories - <a href="https://developer.wordpress.org/advanced-administration/server/web-server/nginx/#global-restrictions-file" target="_blank" rel="noopener">Nginx Global Restrictions For WordPress</a>', 'sucuri-scanner' ) ); } $params['Hardening.Title'] = __('Block of Certain PHP Files', 'sucuri-scanner'); $params['Hardening.Status'] = 2; $params['Hardening.FieldName'] = __FUNCTION__; $params['Hardening.FieldText'] = __('Check Hardening', 'sucuri-scanner'); $params['Hardening.Description'] = __( 'Block the execution of PHP files in sensitive directories. Be careful while applying this hardening option as there are many plugins and theme which rely on the ability to execute PHP files in the content directory to generate images or save temporary data. Use the "Add PHP Files to the Allowlist" tool to add exceptions to individual files.', 'sucuri-scanner' ); return self::drawSection($params); } /** * Check whether the WordPress upload folder is protected or not. * * A htaccess file is placed in the upload folder denying the access to any php * file that could be uploaded through a vulnerability in a Plugin, Theme or * WordPress itself. * * @return HTML with the information about this hardening option. */ public static function wpuploads() { if (SucuriScan::isNginxServer() || SucuriScan::isIISServer()) { return ''; /* empty page */ } $params = array(); $folder = WP_CONTENT_DIR . '/uploads'; if (self::processRequest(__FUNCTION__)) { $result = SucuriScanHardening::hardenDirectory($folder); if ($result === true) { SucuriScanEvent::reportNoticeEvent(__('Hardening applied to the uploads directory', 'sucuri-scanner')); SucuriScanInterface::info(__('Hardening applied to the uploads directory', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('Error hardening directory, check the permissions.', 'sucuri-scanner')); } } if (self::processRequest(__FUNCTION__ . '_revert')) { $result = SucuriScanHardening::unhardenDirectory($folder); if ($result === true) { SucuriScanEvent::reportErrorEvent(__('Hardening reverted in the uploads directory', 'sucuri-scanner')); SucuriScanInterface::info(__('Hardening reverted in the uploads directory', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('Access file is not writable, check the permissions.', 'sucuri-scanner')); } } $params['Hardening.Title'] = __('Block PHP Files in Uploads Directory', 'sucuri-scanner'); $params['Hardening.Description'] = __( 'Block the execution of PHP files in sensitive directories. Be careful while applying this hardening option as there are many plugins and theme which rely on the ability to execute PHP files in the content directory to generate images or save temporary data. Use the "Add PHP Files to the Allowlist" tool to add exceptions to individual files.', 'sucuri-scanner' ); if (SucuriScan::isBehindFirewall()) { $params['Hardening.Status'] = 1; $params['Hardening.FieldAttrs'] = 'disabled'; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); } elseif (SucuriScanHardening::isHardened($folder)) { $params['Hardening.Status'] = 1; $params['Hardening.FieldName'] = __FUNCTION__ . '_revert'; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); } else { $params['Hardening.Status'] = 0; $params['Hardening.FieldName'] = __FUNCTION__; $params['Hardening.FieldText'] = __('Apply Hardening', 'sucuri-scanner'); } return self::drawSection($params); } /** * Check whether the WordPress content folder is protected or not. * * A htaccess file is placed in the content folder denying the access to any php * file that could be uploaded through a vulnerability in a Plugin, Theme or * WordPress itself. * * @return HTML with the information about this hardening option. */ public static function wpcontent() { if (SucuriScan::isNginxServer() || SucuriScan::isIISServer()) { return ''; /* empty page */ } $params = array(); if (self::processRequest(__FUNCTION__)) { $result = SucuriScanHardening::hardenDirectory(WP_CONTENT_DIR); if ($result === true) { SucuriScanEvent::reportNoticeEvent(__('Hardening applied to the content directory', 'sucuri-scanner')); SucuriScanInterface::info(__('Hardening applied to the content directory', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('Error hardening directory, check the permissions.', 'sucuri-scanner')); } } if (self::processRequest(__FUNCTION__ . '_revert')) { $result = SucuriScanHardening::unhardenDirectory(WP_CONTENT_DIR); if ($result === true) { SucuriScanEvent::reportErrorEvent(__('Hardening reverted in the content directory', 'sucuri-scanner')); SucuriScanInterface::info(__('Hardening reverted in the content directory', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('Access file is not writable, check the permissions.', 'sucuri-scanner')); } } $params['Hardening.Title'] = __('Block PHP Files in WP-CONTENT Directory', 'sucuri-scanner'); $params['Hardening.Description'] = __( 'Block the execution of PHP files in sensitive directories. Be careful while applying this hardening option as there are many plugins and theme which rely on the ability to execute PHP files in the content directory to generate images or save temporary data. Use the "Add PHP Files to the Allowlist" tool to add exceptions to individual files.', 'sucuri-scanner' ); if (SucuriScan::isBehindFirewall()) { $params['Hardening.Status'] = 1; $params['Hardening.FieldAttrs'] = 'disabled'; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); } elseif (SucuriScanHardening::isHardened(WP_CONTENT_DIR)) { $params['Hardening.Status'] = 1; $params['Hardening.FieldName'] = __FUNCTION__ . '_revert'; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); } else { $params['Hardening.Status'] = 0; $params['Hardening.FieldName'] = __FUNCTION__; $params['Hardening.FieldText'] = __('Apply Hardening', 'sucuri-scanner'); } return self::drawSection($params); } /** * Check whether the WordPress includes folder is protected or not. * * A htaccess file is placed in the includes folder denying the access to any php * file that could be uploaded through a vulnerability in a Plugin, Theme or * WordPress itself, there are some exceptions for some specific files that must * be available publicly. * * @return HTML with the information about this hardening option. */ public static function wpincludes() { if (SucuriScan::isNginxServer() || SucuriScan::isIISServer()) { return ''; /* empty page */ } $params = array(); $folder = ABSPATH . '/wp-includes'; if (self::processRequest(__FUNCTION__)) { $result = SucuriScanHardening::hardenDirectory($folder); if ($result === true) { try { SucuriScanHardening::allow('wp-tinymce.php', 'wp-includes'); SucuriScanHardening::allow('ms-files.php', 'wp-includes'); SucuriScanEvent::reportNoticeEvent(__( 'Hardening applied to the library directory', 'sucuri-scanner' )); SucuriScanInterface::info(__('Hardening applied to the library directory', 'sucuri-scanner')); } catch (Exception $e) { SucuriScanInterface::error($e->getMessage()); } } else { SucuriScanInterface::error(__('Error hardening directory, check the permissions.', 'sucuri-scanner')); } } if (self::processRequest(__FUNCTION__ . '_revert')) { $result = SucuriScanHardening::unhardenDirectory($folder); if ($result === true) { SucuriScanHardening::removeFromAllowlist('wp-tinymce.php', 'wp-includes'); SucuriScanHardening::removeFromAllowlist('ms-files.php', 'wp-includes'); SucuriScanEvent::reportErrorEvent(__('Hardening reverted in the library directory', 'sucuri-scanner')); SucuriScanInterface::info(__('Hardening reverted in the library directory', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('Access file is not writable, check the permissions.', 'sucuri-scanner')); } } $params['Hardening.Title'] = __('Block PHP Files in WP-INCLUDES Directory', 'sucuri-scanner'); $params['Hardening.Description'] = __( 'Block the execution of PHP files in sensitive directories. Be careful while applying this hardening option as there are many plugins and theme which rely on the ability to execute PHP files in the content directory to generate images or save temporary data. Use the "Add PHP Files to the Allowlist" tool to add exceptions to individual files.', 'sucuri-scanner' ); if (SucuriScan::isBehindFirewall()) { $params['Hardening.Status'] = 1; $params['Hardening.FieldAttrs'] = 'disabled'; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); } elseif (SucuriScanHardening::isHardened($folder)) { $params['Hardening.Status'] = 1; $params['Hardening.FieldName'] = __FUNCTION__ . '_revert'; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); } else { $params['Hardening.Status'] = 0; $params['Hardening.FieldName'] = __FUNCTION__; $params['Hardening.FieldText'] = __('Apply Hardening', 'sucuri-scanner'); } return self::drawSection($params); } /** * Check whether the "readme.html" file is still available in the root of the * site or not, which can lead to an attacker to know which version number of * Wordpress is being used and search for possible vulnerabilities. * * @return HTML with the information about this hardening option. */ public static function readme() { $params = array(); if (self::processRequest(__FUNCTION__)) { if (@unlink(ABSPATH . '/readme.html') === false) { SucuriScanInterface::error(sprintf( __('Cannot delete <code>%s/readme.html</code>', 'sucuri-scanner'), ABSPATH )); } else { SucuriScanEvent::reportNoticeEvent(__( 'Hardening applied to the <code>readme.html</code> file', 'sucuri-scanner' )); SucuriScanInterface::info(__( 'Hardening applied to the <code>readme.html</code> file', 'sucuri-scanner' )); } } $params['Hardening.Title'] = __('Avoid Information Leakage', 'sucuri-scanner'); $params['Hardening.Description'] = __( 'Checks if the WordPress README file still exists in the website. The information in this file can be used by malicious users to pin-point which disclosed vulnerabilities are associated to the website. Be aware that WordPress recreates this file automatically with every update.', 'sucuri-scanner' ); if (file_exists(ABSPATH . '/readme.html')) { $params['Hardening.Status'] = 0; $params['Hardening.FieldName'] = __FUNCTION__; $params['Hardening.FieldText'] = __('Apply Hardening', 'sucuri-scanner'); } else { $params['Hardening.Status'] = 1; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); $params['Hardening.FieldAttrs'] = 'disabled'; } return self::drawSection($params); } /** * Check whether the main admin user still has the default name "admin" or * not, which can lead to an attacker to perform a brute force attack. * * @return HTML with the information about this hardening option. */ public static function adminuser() { $params = array(); $user_query = new WP_User_Query( array( 'search' => 'admin', 'fields' => array('ID', 'user_login'), 'search_columns' => array('user_login'), ) ); $results = $user_query->get_results(); $params['URL.Settings'] = admin_url('users.php?role=administrator'); $params['Hardening.Title'] = __('Verify Default Admin Account', 'sucuri-scanner'); $params['Hardening.Description'] = __( 'Check if the primary user account still uses the name "admin". This allows malicious users to easily identify which account has the highest privileges to target an attack.', 'sucuri-scanner' ); if (count($results) === 0) { $params['Hardening.Status'] = 1; $params['Hardening.FieldAttrs'] = 'disabled'; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); } else { $params['Hardening.Status'] = 0; $params['Hardening.FieldName'] = __FUNCTION__; $params['Hardening.FieldText'] = __('Apply Hardening', 'sucuri-scanner'); } return self::drawSection($params); } /** * Enable or disable the user of the built-in Wordpress file editor. * * @return HTML with the information about this hardening option. */ public static function fileeditor() { $params = array(); $fileEditorWasDisabled = (bool)(defined('DISALLOW_FILE_EDIT') && DISALLOW_FILE_EDIT); if (self::processRequest(__FUNCTION__)) { $config = SucuriScan::getConfigPath(); if (!$config) { SucuriScanInterface::error(__('WordPress configuration file was not found.', 'sucuri-scanner')); } elseif (!is_writable($config)) { SucuriScanInterface::error(__('WordPress configuration file is not writable.', 'sucuri-scanner')); } else { $content = SucuriScanFileInfo::fileContent($config); $lines = explode("\n", $content); $newlines = array(); foreach ($lines as $line) { if (self::containsConstant($line, 'DISALLOW_FILE_EDIT')) { // Skip lines that define the `DISALLOW_FILE_EDIT` constant, // to make hardening possible when other plugins have already // defined the same constant with a falsy value. continue; } if (strpos($line, 'DB_COLLATE') === false) { $newlines[] = $line; continue; } $newlines[] = $line; /* add current line */ $newlines[] = ''; /* add line separator */ } $newlines[] = "define('DISALLOW_FILE_EDIT', true);"; $fileEditorWasDisabled = true; $content = implode("\n", $newlines); @file_put_contents($config, $content, LOCK_EX); SucuriScanEvent::reportNoticeEvent(__( 'Hardening applied to the plugin and theme editor', 'sucuri-scanner' )); SucuriScanInterface::info(__('Hardening applied to the plugin and theme editor', 'sucuri-scanner')); } } if (self::processRequest(__FUNCTION__ . '_revert')) { $config = SucuriScan::getConfigPath(); if (!$config) { SucuriScanInterface::error(__('WordPress configuration file was not found.', 'sucuri-scanner')); } elseif (!is_writable($config)) { SucuriScanInterface::error(__('WordPress configuration file is not writable.', 'sucuri-scanner')); } else { $content = SucuriScanFileInfo::fileContent($config); $lines = explode("\n", $content); $hardeningWasReverted = false; $newlines = array(); foreach ($lines as $line) { if (strpos($line, 'DISALLOW_FILE_EDIT') !== false) { $hardeningWasReverted = true; continue; /* remove the constant from the file */ } $newlines[] = $line; /* add current line */ } if (!$hardeningWasReverted) { SucuriScanInterface::error( __( 'File Editor was not disabled using this tool. You must scan your project for a constant defined as DISALLOW_FILE_EDIT, then either delete it or set its value to False. Any plugin/theme can disable the file editor, so it is impossible to determine the origin of the constant.', 'sucuri-scanner' ) ); } else { $fileEditorWasDisabled = false; $content = implode("\n", $newlines); @file_put_contents($config, $content, LOCK_EX); SucuriScanEvent::reportErrorEvent(__( 'Hardening reverted in the plugin and theme editor', 'sucuri-scanner' )); SucuriScanInterface::info(__( 'Hardening reverted in the plugin and theme editor', 'sucuri-scanner' )); } } } $params['Hardening.Title'] = __('Disable Plugin and Theme Editor', 'sucuri-scanner'); $params['Hardening.Description'] = __( 'Disables the theme and plugin editors to prevent unwanted modifications to the code. If you are having problems reverting this please open the wp-config.php file and delete the line with the constant DISALLOW_FILE_EDIT.', 'sucuri-scanner' ); if ($fileEditorWasDisabled) { $params['Hardening.Status'] = 1; $params['Hardening.FieldName'] = __FUNCTION__ . '_revert'; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); } else { $params['Hardening.Status'] = 0; $params['Hardening.FieldName'] = __FUNCTION__; $params['Hardening.FieldText'] = __('Apply Hardening', 'sucuri-scanner'); } return self::drawSection($params); } /** * Checks if the Automatic Secret Keys Updater is enabled. * * Changing the Secret Keys will invalidate all existing cookies, forcing all * logged in users to login again. Doing this frequently will decrease the * chances of misuse of sessions left open on unprotected devices. * * @return string HTML code with the replaced template variables */ public static function autoSecretKeyUpdater() { $cronName = 'sucuriscan_autoseckeyupdater'; $cronFrequency = 'weekly'; // Activate auto secret key update. if (self::processRequest(__FUNCTION__)) { if (SucuriScanEvent::addScheduledTask($cronName, $cronFrequency)) { SucuriScanInterface::info(__( 'Automatic Secret Keys Updater enabled. The default frequency is "Weekly", but you can change the frequency on Settings -> Post-Hack -> Update Secret Keys section.', 'sucuri-scanner' )); SucuriScanEvent::reportNoticeEvent(__('Automatic Secret Keys Updater enabled.', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('Something went wrong.', 'sucuri-scanner')); } } // Deactivate auto secret key update. if (self::processRequest(__FUNCTION__ . '_revert')) { if (SucuriScanEvent::deleteScheduledTask($cronName)) { SucuriScanInterface::info(__('Automatic Secret Keys Updater disabled.', 'sucuri-scanner')); SucuriScanEvent::reportNoticeEvent(__('Automatic Secret Keys Updater disabled.', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('Something went wrong.', 'sucuri-scanner')); } } // Set status of auto secret key update. $params = array(); $params['Hardening.Title'] = __('Activate Automatic Secret Keys Updater', 'sucuri-scanner'); $params['Hardening.Description'] = __( 'Changing the Secret Keys will invalidate all existing cookies, forcing all logged in users to login again. Doing this frequently will decrease the chances of misuse of sessions left open on unprotected devices.', 'sucuri-scanner' ); $params['Hardening.Status'] = 0; $params['Hardening.FieldName'] = __FUNCTION__; $params['Hardening.FieldText'] = __('Apply Hardening', 'sucuri-scanner'); if (wp_next_scheduled($cronName)) { $params['Hardening.Status'] = 1; $params['Hardening.FieldName'] = __FUNCTION__ . '_revert'; $params['Hardening.FieldText'] = __('Revert Hardening', 'sucuri-scanner'); } return self::drawSection($params); } /** * Allow individual PHP files. * * Allows an admin to allow individual PHP files after the directory has * been hardened. Since the hardening rules denies access to all PHP files * contained in such directory, 3rd-party plugins and themes that makes use * of these direct requests will stop working. The admins will want to allow * direct access to certain PHP files. * * @return HTML with the information about this hardening option. */ public static function AllowPHPFiles() { $params = array( 'HardeningAllowlist.List' => '', 'HardeningAllowlist.AllowedFolders' => '', 'HardeningAllowlist.NoItemsVisibility' => 'visible', ); $upload_dir = wp_upload_dir(); $allowed_folders = array( rtrim(ABSPATH, '/') . '/' . WPINC, WP_CONTENT_DIR, $upload_dir['basedir'] ); if (SucuriScanInterface::checkNonce()) { // Add a new file to the hardening allowlist. $fwhite = SucuriScanRequest::post(':hardening_allowlist'); if ($fwhite) { $folder = SucuriScanRequest::post(':hardening_folder'); if (in_array($folder, $allowed_folders)) { try { SucuriScanHardening::allow($fwhite, $folder); SucuriScanInterface::info(__('The file has been allowed', 'sucuri-scanner')); } catch (Exception $e) { SucuriScanInterface::error($e->getMessage()); } } else { SucuriScanInterface::error(__('Specified folder is not hardened by this plugin', 'sucuri-scanner')); } } // Remove a file from the hardening allowlist. $rmfwhite = SucuriScanRequest::post(':hardening_rmfwhite', '_array'); $rmferror = false; if ($rmfwhite) { foreach ($rmfwhite as $fpath) { $is_legacy = strpos($fpath, '/.*/') !== false; $finfo = SucuriScanHardening::getFolderAndFilePath($fpath, $allowed_folders); // File is not in the $allowed_folders. if ($finfo === false) { $rmferror = true; continue; } SucuriScanHardening::removeFromAllowlist( $finfo['relative_path'], $finfo['base_directory'], $is_legacy ); } if ($rmferror) { SucuriScanInterface::error(__('Some files could not be removed', 'sucuri-scanner')); } else { SucuriScanInterface::info(__('Selected files have been removed', 'sucuri-scanner')); } } } // Read the access control file and retrieve the files in the allowlist. foreach ($allowed_folders as $folder) { $files = SucuriScanHardening::getAllowlist($folder); $params['HardeningAllowlist.AllowedFolders'] .= sprintf( '<option value="%s">%s</option>', SucuriScan::escape($folder), SucuriScan::escape($folder) ); if (is_array($files) && !empty($files)) { $params['HardeningAllowlist.NoItemsVisibility'] = 'hidden'; foreach ($files as $file) { $pattern = sprintf('%s/.*/%s', $folder, $file['file']); if (!$file['wildcard_pattern']) { $pattern = realpath($folder . '/' . $file['relative_path']); } if ($pattern === false) { $pattern = $folder . '/' . $file['relative_path']; } $html = SucuriScanTemplate::getSnippet( 'settings-hardening-allowlist-phpfiles', array( 'HardeningAllowlist.Regexp' => $pattern, 'HardeningAllowlist.Folder' => $folder, 'HardeningAllowlist.File' => $file['relative_path'], ) ); $params['HardeningAllowlist.List'] .= $html; } } } return SucuriScanTemplate::getSection('settings-hardening-allowlist-phpfiles', $params); } private static function containsConstant($line, $constant) { return strpos($line, "'" . $constant . "'") !== false || strpos($line, '"' . $constant . '"') !== false; } } settings-headers.php 0000604 00000012613 14717775511 0010544 0 ustar 00 <?php /** * Code related to the cache control headers settings. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Returns the HTML to configure the header's cache options. * * WordPress by default does not come with cache control headers, * used by WAFs and CDNs and that are useful to both improve performance * and reduce bandwidth and other resources demand on the hosting server. * * @param bool $nonce True if the CSRF protection worked, false otherwise. * @return string HTML for the email alert recipients. */ function sucuriscan_settings_cache_options($nonce) { $isWooCommerceActive = in_array('woocommerce/woocommerce.php', apply_filters('active_plugins', get_option('active_plugins'))); $params = array( 'CacheOptions.Options' => '', 'CacheOptions.Modes' => '', ); $availableSettings = array( __('disabled', 'sucuri-scanner'), __('static', 'sucuri-scanner'), __('occasional', 'sucuri-scanner'), __('frequent', 'sucuri-scanner'), __('busy', 'sucuri-scanner'), __('custom', 'sucuri-scanner'), ); $headersCacheControlOptions = SucuriScanOption::getOption(':headers_cache_control_options'); foreach ($availableSettings as $mode) { $params['CacheOptions.Modes'] .= sprintf('<option value="%s">%s</option>', $mode, ucfirst($mode)); } if (SucuriScanInterface::checkNonce() && SucuriScanRequest::post(':update_cache_options')) { $headerCacheControlMode = sanitize_text_field(SucuriScanRequest::post(':cache_options_mode')); $newOptions = array(); foreach ($headersCacheControlOptions as $pageType => $options) { $newOptions[$pageType] = array(); foreach ($options as $optionName => $defaultValue) { $postKey = 'sucuriscan_' . $pageType . '_' . $optionName; $postValue = sanitize_text_field(SucuriScanRequest::post($postKey)); if (isset($_POST[$postKey])) { if ($postValue === 'unavailable' || $postValue === '') { $newOptions[$pageType][$optionName] = 'unavailable'; } else { $newOptions[$pageType][$optionName] = intval($postValue); } } else { $newOptions[$pageType][$optionName] = $defaultValue; } } } if (in_array($headerCacheControlMode, $availableSettings)) { SucuriScanOption::updateOption(':headers_cache_control', $headerCacheControlMode); SucuriScanOption::updateOption(':headers_cache_control_options', $newOptions); if ($headerCacheControlMode === 'disabled') { SucuriScanInterface::info(__('Cache-Control header was deactivated.', 'sucuri-scanner')); } else { SucuriScanInterface::info(__('Cache-Control header was activated.', 'sucuri-scanner')); } } else { SucuriScanInterface::error(__('Invalid cache control mode selected.', 'sucuri-scanner')); } } $latestHeadersCacheControlOptions = SucuriScanOption::getOption(':headers_cache_control_options'); foreach ($latestHeadersCacheControlOptions as $option) { if (!$isWooCommerceActive && in_array($option['id'], array('woocommerce_products', 'woocommerce_categories'))) { continue; } $params['CacheOptions.Options'] .= SucuriScanTemplate::getSnippet( 'settings-headers-cache-option', array( 'id' => $option['id'], 'name' => $option['title'], 'maxAge' => $option['max_age'], 'sMaxAge' => $option['s_maxage'], 'staleIfError' => $option['stale_if_error'], 'staleWhileRevalidate' => $option['stale_while_revalidate'], 'paginationFactor' => $option['pagination_factor'], 'paginationFactorVisibility' => $option['pagination_factor'] !== 'unavailable' ? 'visible' : 'hidden', 'oldAgeMultiplier' => $option['old_age_multiplier'], 'oldAgeMultiplierVisibility' => $option['old_age_multiplier'] !== 'unavailable' ? 'visible' : 'hidden', ) ); } $headersCacheControlMode = SucuriScanOption::getOption(':headers_cache_control'); $isCacheControlHeaderDisabled = $headersCacheControlMode === 'disabled'; $params['CacheOptions.NoItemsVisibility'] = 'hidden'; $params['CacheOptions.CacheControl'] = $isCacheControlHeaderDisabled ? 0 : 1; $params['CacheOptions.Status'] = $isCacheControlHeaderDisabled ? __('Disabled', 'sucuri-scanner') : __('Enabled', 'sucuri-scanner'); $params['CacheOptions.Modes'] = str_replace('option value="' . $headersCacheControlMode . '"', 'option value="' . $headersCacheControlMode . '" selected', $params['CacheOptions.Modes']); return SucuriScanTemplate::getSection('settings-headers-cache', $params); } settings-integrity.php 0000604 00000012577 14717775511 0011160 0 ustar 00 <?php /** * Code related to the settings-integrity.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Settings for the WordPress integrity scanner. * * Generates the HTML code to display a list of options in the settings page to * allow the website owner to configure the functionality of the WordPress core * integrity scanner and the optional Unix diff utility. This also includes some * options to configure the website installation language and the false positive * cache file. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanSettingsIntegrity extends SucuriScanSettings { /** * Configures the diffUtility for the integrity scanner. * * @param bool $nonce True if the CSRF protection worked, false otherwise. * @return string HTML code to render the configuration panel. */ public static function diffUtility($nonce) { $params = array(); $params['DiffUtility.StatusNum'] = 0; $params['DiffUtility.Status'] = 'Disabled'; $params['DiffUtility.SwitchText'] = 'Enable'; $params['DiffUtility.SwitchValue'] = 'enable'; if ($nonce) { // Enable or disable the Unix diff utility. $status = SucuriScanRequest::post(':diff_utility', '(en|dis)able'); if ($status) { if (!SucuriScanCommand::exists('diff')) { SucuriScanInterface::error(__('Your hosting provider has blocked the execution of external commands.', 'sucuri-scanner')); } else { $status = $status . 'd'; /* add past tense */ $message = sprintf(__('Integrity diff utility has been <code>%s</code>', 'sucuri-scanner'), $status); SucuriScanOption::updateOption(':diff_utility', $status); SucuriScanEvent::reportInfoEvent($message); SucuriScanEvent::notifyEvent('plugin_change', $message); SucuriScanInterface::info(__('The status of the integrity diff utility has been changed', 'sucuri-scanner')); } } } if (SucuriScanOption::isEnabled(':diff_utility')) { $params['DiffUtility.StatusNum'] = 1; $params['DiffUtility.Status'] = __('Enabled', 'sucuri-scanner'); $params['DiffUtility.SwitchText'] = __('Disable', 'sucuri-scanner'); $params['DiffUtility.SwitchValue'] = 'disable'; } return SucuriScanTemplate::getSection('settings-scanner-integrity-diff-utility', $params); } /** * Configures the cache for the integrity scanner. * * @param bool $nonce True if the CSRF protection worked, false otherwise. * @return string HTML code to render the configuration panel. */ public static function cache($nonce) { $params = array(); $cache = new SucuriScanCache('integrity'); $fpath = SucuriScan::dataStorePath('sucuri-integrity.php'); if ($nonce && SucuriScanRequest::post(':reset_integrity_cache')) { $deletedFiles = array(); $files = SucuriScanRequest::post(':corefile_path', '_array'); foreach ((array) $files as $path) { if ($cache->delete(md5($path))) { $deletedFiles[] = $path; } } if (!empty($deletedFiles)) { SucuriScanEvent::reportDebugEvent( sprintf(__('Core files that will not be ignored anymore: (multiple entries): %s', 'sucuri-scanner'), implode(',', $deletedFiles)) ); SucuriScanInterface::info(__('The selected files have been successfully processed.', 'sucuri-scanner')); } } $params['IgnoredFiles'] = ''; $params['CacheSize'] = SucuriScan::humanFileSize(@filesize($fpath)); $params['CacheLifeTime'] = SUCURISCAN_SITECHECK_LIFETIME; $params['NoFilesVisibility'] = 'visible'; $ignored_files = $cache->getAll(); if (is_array($ignored_files) && !empty($ignored_files)) { $params['NoFilesVisibility'] = 'hidden'; foreach ($ignored_files as $hash => $data) { $params['IgnoredFiles'] .= SucuriScanTemplate::getSnippet( 'settings-scanner-integrity-cache', array( 'UniqueId' => substr($hash, 0, 8), 'FilePath' => $data->file_path, 'StatusType' => $data->file_status, 'IgnoredAt' => SucuriScan::datetime($data->ignored_at), ) ); } } return SucuriScanTemplate::getSection('settings-scanner-integrity-cache', $params); } } settings.php 0000604 00000001663 14717775511 0007136 0 ustar 00 <?php /** * Code related to the settings.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Abstract class for the settings page. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanSettings extends SucuriScanOption { } settings-posthack.php 0000604 00000053007 14717775511 0010747 0 ustar 00 <?php /** * Code related to the settings-posthack.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Tools to execute after a hack attempt. * * The plugin allows to execute some tools that will clear up the site after a * suspicious activity. This includes the ability to reset the secret security * keys, the password for each user account, and the installed plugins. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanSettingsPosthack extends SucuriScanSettings { /** * Update the WordPress secret keys. * * @return string HTML code with the information of the process. */ public static function securityKeys() { $params = array(); $params['SecurityKeys.List'] = ''; $params['WPConfigUpdate.NewConfig'] = ''; $params['WPConfigUpdate.Visibility'] = 'hidden'; // Update all WordPress secret keys. if (SucuriScanInterface::checkNonce() && SucuriScanRequest::post(':update_wpconfig')) { if (SucuriScanRequest::post(':process_form') != 1) { SucuriScanInterface::error(__('You need to confirm that you understand the risk of this operation.', 'sucuri-scanner')); } else { $wpconfig_process = SucuriScanEvent::setNewConfigKeys(); if (!$wpconfig_process) { SucuriScanInterface::error(__('WordPress configuration file was not found or new keys could not be created.', 'sucuri-scanner')); } elseif ($wpconfig_process['updated']) { SucuriScanEvent::reportNoticeEvent(__('Generate new security keys (success)', 'sucuri-scanner')); SucuriScanInterface::info(__('Secret keys updated successfully (summary of the operation bellow).', 'sucuri-scanner')); $params['WPConfigUpdate.Visibility'] = 'visible'; $params['WPConfigUpdate.NewConfig'] .= sprintf("/* %s */\n", __('Old Security Keys', 'sucuri-scanner')); $params['WPConfigUpdate.NewConfig'] .= $wpconfig_process['old_keys_string']; $params['WPConfigUpdate.NewConfig'] .= "\n"; $params['WPConfigUpdate.NewConfig'] .= sprintf("/* %s */\n", __('New Security Keys', 'sucuri-scanner')); $params['WPConfigUpdate.NewConfig'] .= $wpconfig_process['new_keys_string']; } else { SucuriScanEvent::reportNoticeEvent(__('Generate new security keys (failure)', 'sucuri-scanner')); SucuriScanInterface::error(__('WordPress configuration file is not writable.', 'sucuri-scanner')); $params['WPConfigUpdate.Visibility'] = 'visible'; $params['WPConfigUpdate.NewConfig'] = $wpconfig_process['new_wpconfig']; } } } // Display the current status of the security keys. $current_keys = SucuriScanOption::getSecurityKeys(); foreach ($current_keys as $key_status => $key_list) { foreach ($key_list as $key_name => $key_value) { switch ($key_status) { case 'good': $key_status_text = 'good'; break; case 'bad': $key_status_text = 'not randomized'; break; case 'missing': $key_value = ''; $key_status_text = '(not set)'; break; } if (isset($key_status_text)) { $params['SecurityKeys.List'] .= SucuriScanTemplate::getSnippet( 'settings-posthack-security-keys', array( 'SecurityKey.KeyName' => $key_name, 'SecurityKey.KeyValue' => $key_value, 'SecurityKey.KeyStatusText' => $key_status_text, ) ); } } } // Automatic Secret Keys Updater $cronName = 'sucuriscan_autoseckeyupdater'; $params['SecurityKeys.AutoStatusNum'] = 0; $params['SecurityKeys.AutoStatus'] = "Disabled"; $params['SecurityKeys.Schedules'] = ''; $availableSchedules = array('disabled', 'daily', 'weekly', 'monthly', 'quarterly'); // Populate frequency selection box foreach ($availableSchedules as $freq) { $params['SecurityKeys.Schedules'] .= sprintf('<option value="%s">%s</option>', $freq, ucfirst($freq)); } // Set to enabled if cron is found if (wp_next_scheduled($cronName)) { $params['SecurityKeys.AutoStatusNum'] = 1; $params['SecurityKeys.AutoStatus'] = "Enabled"; } // Activate/Deactivate the Automatic Secret Keys Updater if (SucuriScanInterface::checkNonce() && SucuriScanRequest::post(':autoseckeyupdater')) { $cronFrequency = SucuriScanRequest::post(':autoseckeyupdater_frequency'); // Deny action if cron frequency is invalid if (empty($cronFrequency) || !in_array($cronFrequency, $availableSchedules)) { SucuriScanInterface::error(__('No frequency selected for the automatic secret key updater.', 'sucuri-scanner')); } elseif ($cronFrequency === "disabled") { // Disable Automatic Secret Keys Updater if (SucuriScanEvent::deleteScheduledTask($cronName)) { $params['SecurityKeys.Schedules'] = str_replace('option value="'.$cronFrequency.'"', 'option value="'.$cronFrequency.'" selected', $params['SecurityKeys.Schedules']); $params['SecurityKeys.AutoStatusNum'] = 0; $params['SecurityKeys.AutoStatus'] = "Disabled"; SucuriScanInterface::info(__('Automatic Secret Keys Updater disabled.', 'sucuri-scanner')); SucuriScanEvent::reportNoticeEvent(__('Automatic Secret Keys Updater disabled.', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('Something went wrong.', 'sucuri-scanner')); } } else { // Enable Automatic Secret Keys Updater if (SucuriScanEvent::addScheduledTask($cronName, $cronFrequency)) { $params['SecurityKeys.Schedules'] = str_replace('option value="'.$cronFrequency.'"', 'option value="'.$cronFrequency.'" selected', $params['SecurityKeys.Schedules']); $params['SecurityKeys.AutoStatusNum'] = 1; $params['SecurityKeys.AutoStatus'] = "Enabled"; SucuriScanInterface::info(__('Automatic Secret Keys Updater enabled.', 'sucuri-scanner')); SucuriScanEvent::reportNoticeEvent(__('Automatic Secret Keys Updater enabled.', 'sucuri-scanner')); } else { SucuriScanInterface::error(__('Something went wrong.', 'sucuri-scanner')); } } } else { // Re-order selection box with the current cron frequency if (wp_next_scheduled($cronName)) { $activeSchedules = SucuriScanEvent::activeSchedules(); if ( isset($activeSchedules[$cronName]) && isset($activeSchedules[$cronName]['schedule'])) { $currentCronFrequency = $activeSchedules[$cronName]['schedule']; $params['SecurityKeys.Schedules'] = str_replace('option value="'.$currentCronFrequency.'"', 'option value="'.$currentCronFrequency.'" selected', $params['SecurityKeys.Schedules']); } } } return SucuriScanTemplate::getSection('settings-posthack-security-keys', $params); } /** * Display a list of users in a table that will be used to select the accounts * where a password reset action will be executed. * * @return string HTML code for a table where a list of user accounts will be shown. */ public static function resetPassword() { $params = array(); $session = wp_get_current_user(); $params['ResetPassword.UserList'] = ''; $params['ResetPassword.PaginationLinks'] = ''; $params['ResetPassword.PaginationVisibility'] = 'hidden'; // Fill the user list for ResetPassword action. $user_list = array(); $page_number = SucuriScanTemplate::pageNumber(); $max_per_page = SUCURISCAN_MAX_PAGINATION_BUTTONS; $dbquery = new WP_User_Query( array( 'number' => $max_per_page, 'offset' => ($page_number - 1) * $max_per_page, 'fields' => 'all_with_meta', 'orderby' => 'ID', ) ); // Retrieve the results and build the pagination links. if ($dbquery) { $total_items = $dbquery->get_total(); $user_list = $dbquery->get_results(); $params['ResetPassword.PaginationLinks'] = SucuriScanTemplate::pagination( '%%SUCURI.URL.Settings%%#posthack', $total_items, $max_per_page ); if ($total_items > $max_per_page) { $params['ResetPassword.PaginationVisibility'] = 'visible'; } } if ($user_list) { foreach ($user_list as $user) { $user->user_registered_timestamp = strtotime($user->user_registered); $user->user_registered_formatted = SucuriScan::datetime($user->user_registered_timestamp); $disabled = ($user->user_login == $session->user_login) ? 'disabled' : ''; $params['ResetPassword.UserList'] .= SucuriScanTemplate::getSnippet( 'settings-posthack-reset-password', array( 'ResetPassword.UserID' => $user->ID, 'ResetPassword.Username' => $user->user_login, 'ResetPassword.Email' => $user->user_email, 'ResetPassword.Registered' => $user->user_registered_formatted, 'ResetPassword.Roles' => @implode(', ', $user->roles), 'ResetPassword.Disabled' => $disabled, ) ); } } return SucuriScanTemplate::getSection('settings-posthack-reset-password', $params); } /** * Sets a new password for the specified user account. * * @return void */ public static function resetPasswordAjax() { if (SucuriScanRequest::post('form_action') !== 'reset_user_password') { return; } $response = 'Error'; $user_id = intval(SucuriScanRequest::post('user_id')); if (SucuriScanEvent::setNewPassword($user_id)) { $response = 'Done'; SucuriScanEvent::reportNoticeEvent(sprintf(__('Password changed for user #%d', 'sucuri-scanner'), $user_id)); } wp_send_json($response, 200); } /** * Reset all the FREE plugins, even if they are not activated. * * @return void */ public static function resetPlugins() { $params = array( 'ResetPlugin.PluginList' => '', 'ResetPlugin.CacheLifeTime' => 'unknown', ); if (defined('SUCURISCAN_GET_PLUGINS_LIFETIME')) { $params['ResetPlugin.CacheLifeTime'] = SUCURISCAN_GET_PLUGINS_LIFETIME; } return SucuriScanTemplate::getSection('settings-posthack-reset-plugins', $params); } /** * Find and list available updates for plugins and themes. * * @return void */ public static function availableUpdates() { $params = array(); return SucuriScanTemplate::getSection('settings-posthack-available-updates', $params); } /** * Process the Ajax request to retrieve the plugins metadata. * * @return void */ public static function getPluginsAjax() { if (SucuriScanRequest::post('form_action') !== 'get_plugins_data') { return; } $response = ''; $allPlugins = SucuriScanAPI::getPlugins(); foreach ($allPlugins as $plugin_path => $plugin_data) { $plugin_type_class = ($plugin_data['PluginType'] == 'free') ? 'primary' : 'warning'; $input_disabled = ($plugin_data['PluginType'] == 'free') ? '' : 'disabled="disabled"'; $plugin_status_class = $plugin_data['IsPluginActive'] ? 'success' : 'default'; $plugin_status = $plugin_data['IsPluginActive'] ? 'active' : 'not active'; $response .= SucuriScanTemplate::getSnippet( 'settings-posthack-reset-plugins', array( 'ResetPlugin.Disabled' => $input_disabled, 'ResetPlugin.Path' => $plugin_path, 'ResetPlugin.Unique' => crc32($plugin_path), 'ResetPlugin.Repository' => $plugin_data['Repository'], 'ResetPlugin.Plugin' => SucuriScan::excerpt($plugin_data['Name'], 60), 'ResetPlugin.Version' => $plugin_data['Version'], 'ResetPlugin.Type' => $plugin_data['PluginType'], 'ResetPlugin.TypeClass' => $plugin_type_class, 'ResetPlugin.Status' => $plugin_status, 'ResetPlugin.StatusClass' => $plugin_status_class, ) ); } wp_send_json($response, true); } /** * Process the Ajax request to reset one free plugin. * * @return void */ public static function resetPluginAjax() { if (SucuriScanRequest::post('form_action') !== 'reset_plugin') { return; } $response = ''; /* request response */ $plugin = SucuriScanRequest::post(':plugin_name'); $allPlugins = SucuriScanAPI::getPlugins(); /* Check if the plugin actually exists */ if (!array_key_exists($plugin, $allPlugins)) { $response = '<span class="sucuriscan-label-default">' . __('not installed', 'sucuri-scanner') . '</span>'; } elseif ($allPlugins[$plugin]['IsFreePlugin'] !== true) { // Ignore plugins not listed in the WordPress repository. // This usually applies to premium plugins. They cannot be downloaded from // a reliable source because we can't check the checksum of the files nor // we can verify if the installation of the new code will work or not. $response = '<span class="sucuriscan-label-danger">' . __('Plugin is Premium', 'sucuri-scanner') . '</span>'; } elseif (!is_writable($allPlugins[$plugin]['InstallationPath'])) { $response = '<span class="sucuriscan-label-danger">' . __('Not Writable', 'sucuri-scanner') . '</span>'; } elseif (!class_exists('SucuriScanPluginInstallerSkin')) { $response = '<span class="sucuriscan-label-danger">' . __('Missing Library', 'sucuri-scanner') . '</span>'; } else { // Get data associated to the plugin. $data = $allPlugins[$plugin]; $info = SucuriScanAPI::getRemotePluginData($data['RepositoryName']); $hash = substr(md5(microtime(true)), 0, 8); $newpath = $data['InstallationPath'] . '_' . $hash; if (!$info) { $response = '<span class="sucuriscan-label-danger">' . __('Cannot Download', 'sucuri-scanner') . '</span>'; } elseif (!rename($data['InstallationPath'], $newpath)) { $response = '<span class="sucuriscan-label-danger">' . __('Cannot Backup', 'sucuri-scanner') . '</span>'; } else { ob_start(); $upgrader_skin = new SucuriScanPluginInstallerSkin(); $upgrader = new Plugin_Upgrader($upgrader_skin); $upgrader->install($info['download_link']); $output = ob_get_contents(); ob_end_clean(); if (!file_exists($data['InstallationPath'])) { /* Revert backup to its original location */ @rename($newpath, $data['InstallationPath']); $response = '<span class="sucuriscan-label-danger">' . __('Cannot Install', 'sucuri-scanner') . '</span>'; } else { /* Destroy the backup of the plugin */ $fifo = new SucuriScanFileInfo(); $fifo->ignore_files = false; $fifo->ignore_directories = false; $fifo->skip_directories = false; $fifo->removeDirectoryTree($newpath); $installed = sprintf(__('Installed v%s', 'sucuri-scanner'), SucuriScan::escape($info['version'])); $response = '<span class="sucuriscan-label-success">' . $installed . '</span>'; } } } wp_send_json($response, 200); } /** * Retrieve the information for the available updates. * * @param bool $send_email Sends the available updates via email. * @return string|bool HTML code for a table with the updates information. */ public static function availableUpdatesContent($send_email = false) { if (!function_exists('wp_update_plugins') || !function_exists('get_plugin_updates') || !function_exists('wp_update_themes') || !function_exists('get_theme_updates') ) { return false; } $response = ''; $result = wp_update_plugins(); $updates = get_plugin_updates(); if (is_array($updates) && !empty($updates)) { foreach ($updates as $data) { $params = array( 'Update.IconType' => 'plugins', 'Update.Extension' => SucuriScan::excerpt($data->Name, 35), 'Update.Version' => $data->Version, 'Update.NewVersion' => 'unknown', 'Update.TestedWith' => 'unknown', 'Update.ArchiveUrl' => 'unknown', 'Update.MarketUrl' => 'unknown', ); if (property_exists($data->update, 'new_version')) { $params['Update.NewVersion'] = $data->update->new_version; } if (property_exists($data->update, 'tested')) { $params['Update.TestedWith'] = "WordPress\x20" . $data->update->tested; } if (property_exists($data->update, 'package')) { $params['Update.ArchiveUrl'] = $data->update->package; } if (property_exists($data->update, 'url')) { $params['Update.MarketUrl'] = $data->update->url; } $response .= SucuriScanTemplate::getSnippet('settings-posthack-available-updates', $params); } } // Check for available theme updates. $result = wp_update_themes(); $updates = get_theme_updates(); if (is_array($updates) && !empty($updates)) { foreach ($updates as $data) { $response .= SucuriScanTemplate::getSnippet( 'settings-posthack-available-updates', array( 'Update.IconType' => 'appearance', 'Update.Extension' => SucuriScan::excerpt($data->Name, 35), 'Update.Version' => $data->Version, 'Update.NewVersion' => $data->update['new_version'], 'Update.TestedWith' => __('Newest WordPress', 'sucuri-scanner'), 'Update.ArchiveUrl' => $data->update['package'], 'Update.MarketUrl' => $data->update['url'], ) ); } } if (!is_string($response) || empty($response)) { return false; } // Send an email notification with the affected files. if ($send_email === true) { $params = array('AvailableUpdates.Content' => $response); $content = SucuriScanTemplate::getSection('settings-posthack-available-updates-alert', $params); $sent = SucuriScanEvent::notifyEvent('available_updates', $content); return $sent; } return $response; } /** * Process the Ajax request to retrieve the available updates. * * @return void */ public static function availableUpdatesAjax() { if (SucuriScanRequest::post('form_action') !== 'get_available_updates') { return; } $response = SucuriScanSettingsPosthack::availableUpdatesContent(); if (!$response) { $response = '<tr><td colspan="5">' . __('There are no updates available.', 'sucuri-scanner') . '</td></tr>'; } wp_send_json($response, 200); } } settings-scanner.php 0000604 00000023307 14717775511 0010564 0 ustar 00 <?php /** * Code related to the settings-scanner.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Returns the HTML to configure the scanner. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanSettingsScanner extends SucuriScanSettings { /** * Renders a page with information about the cronjobs feature. * * @param bool $nonce True if the CSRF protection worked. * @return string Page with information about the cronjobs. */ public static function cronjobs($nonce) { $params = array( 'Cronjob.Schedules' => '', ); if ($nonce) { // Modify the scheduled tasks (run now, remove, re-schedule). $allowed_actions = array_keys(SucuriScanEvent::availableSchedules()); $allowed_actions[] = 'runnow'; /* execute in the next 10 seconds */ $allowed_actions[] = 'remove'; /* can be reinstalled automatically */ $allowed_actions = sprintf('(%s)', implode('|', $allowed_actions)); $cronjob_action = SucuriScanRequest::post(':cronjob_action', $allowed_actions); if ($cronjob_action) { $cronjobs = SucuriScanRequest::post(':cronjobs', '_array'); if (!empty($cronjobs)) { $total_tasks = count($cronjobs); if ($cronjob_action == 'runnow') { /* Force execution of the selected scheduled tasks. */ SucuriScanInterface::info( sprintf( __('%d tasks has been scheduled to run in the next ten seconds.', 'sucuri-scanner'), $total_tasks /* some cronjobs will be ignored */ ) ); SucuriScanEvent::reportNoticeEvent( sprintf( __('Force execution of scheduled tasks: (multiple entries): %s', 'sucuri-scanner'), @implode(',', $cronjobs) ) ); foreach ($cronjobs as $task_name) { wp_schedule_single_event(time() + 10, $task_name); } } elseif ($cronjob_action == 'remove' || $cronjob_action == '_oneoff') { /* Force deletion of the selected scheduled tasks. */ SucuriScanInterface::info( sprintf( __('%d scheduled tasks have been removed.', 'sucuri-scanner'), $total_tasks /* some cronjobs will be ignored */ ) ); SucuriScanEvent::reportNoticeEvent( sprintf( __('Delete scheduled tasks: (multiple entries): %s', 'sucuri-scanner'), @implode(',', $cronjobs) ) ); foreach ($cronjobs as $task_name) { wp_clear_scheduled_hook($task_name); } } else { SucuriScanInterface::info( sprintf( __('%d tasks has been re-scheduled to run <code>%s</code>.', 'sucuri-scanner'), $total_tasks, /* some cronjobs will be ignored */ $cronjob_action /* frequency to run cronjob */ ) ); SucuriScanEvent::reportNoticeEvent( sprintf( __('Re-configure scheduled tasks %s: (multiple entries): %s', 'sucuri-scanner'), $cronjob_action, @implode(',', $cronjobs) ) ); foreach ($cronjobs as $task_name) { $next_due = wp_next_scheduled($task_name); wp_schedule_event($next_due, $cronjob_action, $task_name); } } } else { SucuriScanInterface::error(__('No scheduled tasks were selected from the list.', 'sucuri-scanner')); } } } $available = SucuriScanEvent::availableSchedules(); /* Hardcode the first one to allow the immediate execution of the cronjob(s) */ $params['Cronjob.Schedules'] .= '<option value="runnow">' . __('Execute Now (in +10 seconds)', 'sucuri-scanner') . '</option>'; foreach ($available as $freq => $name) { $params['Cronjob.Schedules'] .= sprintf('<option value="%s">%s</option>', $freq, $name); } $hasSPL = SucuriScanFileInfo::isSplAvailable(); $params['NoSPL.Visibility'] = SucuriScanTemplate::visibility(!$hasSPL); return SucuriScanTemplate::getSection('settings-scanner-cronjobs', $params); } /** * Process the Ajax request to retrieve the list of cronjobs. * * @return void */ public static function cronjobsAjax() { if (SucuriScanRequest::post('form_action') !== 'get_cronjobs') { return; } $response = ''; $cronjobs = _get_cron_array(); foreach ($cronjobs as $timestamp => $cronhooks) { foreach ((array) $cronhooks as $hook => $events) { foreach ((array) $events as $key => $event) { if (empty($event['args'])) { $event['args'] = array('[]'); } $response .= SucuriScanTemplate::getSnippet( 'settings-scanner-cronjobs', array( 'Cronjob.Hook' => $hook, 'Cronjob.Schedule' => $event['schedule'], 'Cronjob.NextTime' => SucuriScan::datetime($timestamp), 'Cronjob.NextTimeHuman' => SucuriScan::humanTime($timestamp), 'Cronjob.Arguments' => json_encode($event['args']), ) ); } } } if (!$response) { $response = '<tr><td colspan="5">' . __('no data available', 'sucuri-scanner') . '</td></tr>'; } wp_send_json($response, 200); } /** * Returns the HTML for the folder scanner skipper. * * If the website has too many files it would be wise to force the plugin to * ignore some directories that are not relevant for the scanner. This includes * directories with media files like images, audio, videos, etc and directories * used to store cache data. * * @param bool $nonce True if the CSRF protection worked, false otherwise. * @return string HTML for the folder scanner skipper. */ public static function ignoreFolders($nonce) { $params = array(); $params['IgnoreScan.List'] = ''; if ($nonce) { $ign_ress = SucuriScanRequest::post(':ignorefolder'); $ign_dirs = SucuriScanRequest::post(':unignorefolders', '_array'); if ($ign_ress !== false && SucuriScanFSScanner::ignoreDirectory($ign_ress)) { SucuriScanInterface::info(__('Selected files have been successfully processed.', 'sucuri-scanner')); SucuriScanEvent::reportWarningEvent(sprintf(__('This directory will not be scanned: %s', 'sucuri-scanner'), $ign_ress)); } if ($ign_dirs !== false && is_array($ign_dirs) && !empty($ign_dirs)) { foreach ($ign_dirs as $dir) { SucuriScanFSScanner::unignoreDirectory($dir); } SucuriScanInterface::info(__('Selected files have been successfully processed.', 'sucuri-scanner')); SucuriScanEvent::reportNoticeEvent( __('Directories will be scanned: (multiple entries): ', 'sucuri-scanner') . @implode(',', $ign_dirs) /* all directories */ ); } } $ignored_dirs = SucuriScanFSScanner::getIgnoredDirectories(); foreach ($ignored_dirs['directories'] as $index => $folder) { $ts = $ignored_dirs['ignored_at_list'][$index]; $params['IgnoreScan.List'] .= SucuriScanTemplate::getSnippet( 'settings-scanner-ignore-folders', array( 'IgnoreScan.Directory' => $folder, 'IgnoreScan.IgnoredAt' => SucuriScan::datetime($ts), ) ); } if (empty($ignored_dirs['directories'])) { $params['IgnoreScan.List'] .= '<tr><td colspan="3">' . __('no data available', 'sucuri-scanner') . '</td></tr>'; } return SucuriScanTemplate::getSection('settings-scanner-ignore-folders', $params); } } settings-webinfo.php 0000604 00000013057 14717775511 0010565 0 ustar 00 <?php /** * Code related to the settings-webinfo.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Gather information from the server, database engine, and PHP interpreter. * * @return string HTML for the system info page. */ function sucuriscan_settings_webinfo_details() { $params = array(); $info_vars = array( 'Plugin_version' => SUCURISCAN_VERSION, 'Last_filesystem_scan' => SucuriScanFSScanner::getFilesystemRuntime(true), 'Datetime_and_Timezone' => '', 'Operating_system' => sprintf('%s (%d Bit)', PHP_OS, PHP_INT_SIZE * 8), 'Server' => 'unknown', 'WordPress_debug' => __('not active', 'sucuri-scanner'), 'Memory_usage' => __('unknown', 'sucuri-scanner'), 'PHP_version' => PHP_VERSION, ); $params['ServerInfo.Variables'] = ''; $info_vars['Datetime_and_Timezone'] = sprintf( '%s (%s)', SucuriScan::datetime(), SucuriScanOption::getOption(':timezone') ); if (defined('WP_DEBUG') && WP_DEBUG) { $info_vars['WordPress_debug'] = __('active', 'sucuri-scanner'); } if (function_exists('memory_get_usage')) { $info_vars['Memory_usage'] = round(memory_get_usage() / 1024 / 1024, 2).' MB'; } if (isset($_SERVER['SERVER_SOFTWARE'])) { $info_vars['Server'] = $_SERVER['SERVER_SOFTWARE']; } /* PHP INI Settings */ $field_names = array( 'safe_mode', 'expose_php', 'allow_url_fopen', 'memory_limit', 'upload_max_filesize', 'post_max_size', 'max_execution_time', 'max_input_time', ); foreach ($field_names as $php_flag) { $php_flag_value = SucuriScan::iniGet($php_flag); $php_flag_name = 'PHP_' . $php_flag; $info_vars[$php_flag_name] = $php_flag_value ? $php_flag_value : 'N/A'; } /* PHP constants */ $constants = array( 'ABSPATH', // 'SUCURISCAN', // 'SUCURISCAN_INIT', 'SUCURISCAN_API_URL', 'SUCURI_DATA_STORAGE', // 'SUCURISCAN_ADMIN_INIT', 'SUCURISCAN_GET_PLUGINS_LIFETIME', 'SUCURISCAN_THROW_EXCEPTIONS', ); foreach ($constants as $name) { $info_vars[$name] = defined($name) ? constant($name) : '--'; } foreach ($info_vars as $var_name => $var_value) { $var_name = str_replace('_', "\x20", $var_name); $params['ServerInfo.Variables'] .= SucuriScanTemplate::getSnippet( 'settings-webinfo-details', array( 'ServerInfo.Title' => $var_name, 'ServerInfo.Value' => $var_value, ) ); } return SucuriScanTemplate::getSection('settings-webinfo-details', $params); } /** * Find the main htaccess file for the site and check whether the rules of the * main htaccess file of the site are the default rules generated by WordPress. * * @return string The HTML code displaying the information about the HTAccess rules. */ function sucuriscan_settings_webinfo_htaccess() { $htaccess = SucuriScan::getHtaccessPath(); $params = array( 'HTAccess.Content' => '', 'HTAccess.TextareaVisible' => 'hidden', 'HTAccess.StandardVisible' => 'hidden', 'HTAccess.NotFoundVisible' => 'hidden', 'HTAccess.NotApache' => 'hidden', 'HTAccess.FoundVisible' => 'hidden', 'HTAccess.Fpath' => 'unknown', ); // If it's not Apache, do not based the analysis on htaccess file. if (SucuriScan::isNginxServer() || SucuriScan::isIISServer()) { $params['HTAccess.NotApache'] = 'visible'; } elseif ($htaccess) { $rules = SucuriScanFileInfo::fileContent($htaccess); $params['HTAccess.TextareaVisible'] = 'visible'; $params['HTAccess.Content'] = $rules; $params['HTAccess.Fpath'] = $htaccess; $params['HTAccess.FoundVisible'] = 'visible'; if (sucuriscan_htaccess_is_standard($rules)) { $params['HTAccess.StandardVisible'] = 'visible'; } } else { $params['HTAccess.NotFoundVisible'] = 'visible'; } return SucuriScanTemplate::getSection('settings-webinfo-htaccess', $params); } /** * Check if the standard rules for a normal WordPress installation (not network * based) are inside the main htaccess file. This only applies to websites that * have permalinks enabled, or 3rd-party plugins that require custom rules * (generally based on mod_deflate) to compress and/or generate static files for * cache. * * @param string $rules Content of the main htaccess file. * @return bool True if the htaccess has the standard rules, false otherwise. */ function sucuriscan_htaccess_is_standard($rules = '') { if (!$rules) { $htaccess = SucuriScan::getHtaccessPath(); if ($htaccess) { $rules = SucuriScanFileInfo::fileContent($htaccess); } } if (class_exists('WP_Rewrite') && is_string($rules) && !empty($rules)) { $rewrite = new WP_Rewrite(); $standard = $rewrite->mod_rewrite_rules(); if (!empty($standard)) { return (bool) (strpos($rules, $standard) !== false); } } return false; } sitecheck.lib.php 0000604 00000046326 14717775511 0010012 0 ustar 00 <?php /** * Code related to the sitecheck.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Controls the execution of the SiteCheck scanner. * * SiteCheck is a web application scanner that reads the source code of a * website to determine if it is serving malicious code, it scans the home page * and linked sub-pages, then compares the results with a list of signatures as * well as a list of blocklist services to see if other malware scanners have * flagged the website before. This operation may take a couple of seconds, * around twenty seconds in most cases; be sure to set enough timeout for the * operation to finish, otherwise the scanner will return innacurate * information. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner * @see https://sitecheck.sucuri.net/ */ class SucuriScanSiteCheck extends SucuriScanAPI { /** * Returns the URL that will be scanned by SiteCheck. * * @return string URL to be scanned. */ private static function targetURL() { /* allow to set a custom URL for the scans */ $custom = SucuriScanOption::getOption(':sitecheck_target'); if ($custom) { return $custom; } return SucuriScan::getDomain(); } /** * Executes a malware scan against the specified website. * * @see https://sitecheck.sucuri.net/ * * @param bool $clear Request the results from a fresh scan or not. * @return array|bool JSON encoded website scan results. */ public static function runMalwareScan($clear = false) { $params = array(); $params['json'] = 1; $params['fromwp'] = 2; $params['scan'] = self::targetURL(); /* force clear scan */ if ($clear === true) { $params['clear'] = 1; } $args = array('assoc' => true, 'timeout' => 60); return self::apiCall('https://sitecheck.sucuri.net/', 'GET', $params, $args); } /** * Scans a website for malware using SiteCheck. * * This method will first check if the scan results have been cached by a * previous scan. The lifetime of the cache is defined in the global script * but usually it should not be higher than fifteen minutes. If the cache * exists it will be used to display the information in the dashboard. * * If the cache does not exists or has already expired, it will send a HTTP * request to the SiteCheck API service to execute a fresh scan, this takes * around twenty seconds, it will decode and process the response and render * the results in the dashboard. * * If the user sends a GET parameter named "s" with a valid domain name, it * will be used instead of the one of the current website. This is useful if * you want to test the functionality of the scanner in a different website * without access to its domain, which is basically the same thing that you * can do in the official SiteCheck website. This parameter also bypasses * the cache. * * @return array|bool SiteCheck scan results. */ public static function scanAndCollectData() { $cache = new SucuriScanCache('sitecheck'); if (SucuriScanRequest::post(':sitecheck_refresh') === 'true') { /* user requested to reset the sitecheck cache */ $cache->delete('scan_results'); } $results = $cache->get('scan_results', SUCURISCAN_SITECHECK_LIFETIME, 'array'); /* return cached malware scan results. */ if ($results && !empty($results)) { return $results; } /* delete expired cache */ $cache->delete('scan_results'); /* send HTTP request to SiteCheck's API service. */ $results = self::runMalwareScan(true); /* check for error in the request's response. */ if (is_string($results) || isset($results['SYSTEM']['ERROR'])) { if (isset($results['SYSTEM']['ERROR'])) { $results = implode("\x20", $results['SYSTEM']['ERROR']); } return SucuriScanInterface::error('SiteCheck error: ' . $results); } /* cache the results for some time. */ $cache->add('scan_results', $results); return $results; } /** * Returns the amount of time left before the SiteCheck cache expires. * * @return string Time left before the SiteCheck cache expires. */ private static function cacheLifetime() { $current = time(); $cache = new SucuriScanCache('sitecheck'); $timeDiff = $current - $cache->updatedAt(); $timeLeft = SUCURISCAN_SITECHECK_LIFETIME - $timeDiff; return self::humanTime($current + $timeLeft); } /** * Generates the HTML section for the SiteCheck details. * * @return string HTML code to render the details section. */ public static function details() { $params = array(); $data = self::scanAndCollectData(); $data['details'] = array(); $params['SiteCheck.Metadata'] = ''; $params['SiteCheck.Lifetime'] = self::cacheLifetime(); $data['details'][] = sprintf(__('PHP Version: %s', 'sucuri-scanner'), phpversion()); $data['details'][] = sprintf(__('Version: %s', 'sucuri-scanner'), SucuriScan::siteVersion()); if (isset($data['SCAN']['SITE'])) { $params['SiteCheck.Website'] = $data['SCAN']['SITE'][0]; } if (isset($data['SCAN']['IP'])) { $params['SiteCheck.ServerAddress'] = $data['SCAN']['IP'][0]; } if (isset($data['SCAN']['HOSTING'])) { $data['details'][] = sprintf(__('Hosting: %s', 'sucuri-scanner'), apply_filters( 'sucuriscan_sitecheck_details_hosting', $data['SCAN']['HOSTING'][0] )); } if (isset($data['SCAN']['CMS'])) { $data['details'][] = sprintf(__('CMS: %s', 'sucuri-scanner'), $data['SCAN']['CMS'][0]); } if (isset($data['SYSTEM']['NOTICE'])) { $data['details'] = array_merge( $data['details'], $data['SYSTEM']['NOTICE'] ); } if (isset($data['SYSTEM']['INFO'])) { $data['details'] = array_merge( $data['details'], $data['SYSTEM']['INFO'] ); } if (isset($data['WEBAPP']['VERSION'])) { $data['details'] = array_merge( $data['details'], $data['WEBAPP']['VERSION'] ); } if (isset($data['WEBAPP']['WARN'])) { $data['details'] = array_merge( $data['details'], $data['WEBAPP']['WARN'] ); } if (isset($data['OUTDATEDSCAN'])) { foreach ($data['OUTDATEDSCAN'] as $outdated) { if (isset($outdated[0]) && isset($outdated[2])) { $data['details'][] = $outdated[0] . ':' . $outdated[2]; } } } foreach ($data['details'] as $text) { $parts = explode(':', $text, 2); if (count($parts) === 2) { /* prefer local version number over SiteCheck's */ if (strpos($parts[0], 'WordPress version') !== false) { continue; } /* redundant; we already know the CMS is WordPress */ if (strpos($parts[0], 'CMS') !== false) { continue; } $params['SiteCheck.Metadata'] .= SucuriScanTemplate::getSnippet( 'sitecheck-details', array( 'SiteCheck.Title' => trim($parts[0]), 'SiteCheck.Value' => trim($parts[1]), ) ); } } return SucuriScanTemplate::getSection('sitecheck-details', $params); } /** * Generates the HTML section for the SiteCheck malware. * * @return string HTML code to render the malware section. */ public static function malware() { $params = array(); $data = self::scanAndCollectData(); $params['Malware.Content'] = ''; $params['Malware.Color'] = 'green'; $params['Malware.Title'] = __('Site is Clean', 'sucuri-scanner'); $params['Malware.CleanVisibility'] = 'visible'; $params['Malware.InfectedVisibility'] = 'hidden'; if (isset($data['MALWARE']['WARN']) && !empty($data['MALWARE']['WARN'])) { $params['Malware.Color'] = 'red'; $params['Malware.Title'] = __('Site is not Clean', 'sucuri-scanner'); $params['Malware.CleanVisibility'] = 'hidden'; $params['Malware.InfectedVisibility'] = 'visible'; foreach ($data['MALWARE']['WARN'] as $mal) { $info = self::malwareDetails($mal); if ($info) { $params['Malware.Content'] .= SucuriScanTemplate::getSnippet( 'sitecheck-malware', array( 'Malware.InfectedURL' => $info['infected_url'], 'Malware.MalwareType' => $info['malware_type'], 'Malware.MalwareDocs' => $info['malware_docs'], 'Malware.AlertMessage' => $info['alert_message'], 'Malware.MalwarePayload' => $info['malware_payload'], ) ); } } } return SucuriScanTemplate::getSection('sitecheck-malware', $params); } /** * Generates the HTML section for the SiteCheck blocklist. * * @return string HTML code to render the blocklist section. */ public static function blocklist() { $params = array(); $data = self::scanAndCollectData(); if (!isset($data['BLACKLIST']) || !is_array($data['BLACKLIST'])) { return ''; /* there is not enough information to render */ } $params['Blocklist.Title'] = __('Not blocklisted', 'sucuri-scanner'); $params['Blocklist.Color'] = 'green'; $params['Blocklist.Content'] = ''; foreach ($data['BLACKLIST'] as $type => $proof) { foreach ($proof as $info) { $url = $info[1]; $title = @preg_replace( '/Domain (clean|blacklisted) (on|by) (the )?/', '' /* remove unnecessary text from the output */, substr($info[0], 0, strrpos($info[0], ':')) ); $params['Blocklist.Content'] .= SucuriScanTemplate::getSnippet( 'sitecheck-blocklist', array( 'Blocklist.URL' => $url, 'Blocklist.Status' => $type, 'Blocklist.Service' => $title, ) ); } } if (isset($data['BLACKLIST']['WARN'])) { $params['Blocklist.Title'] = __('In the blocklist', 'sucuri-scanner'); $params['Blocklist.Color'] = 'red'; } return SucuriScanTemplate::getSection('sitecheck-blocklist', $params); } /** * Generates the HTML section for the SiteCheck recommendations. * * @return string HTML code to render the recommendations section. */ public static function recommendations() { $data = self::scanAndCollectData(); if (!isset($data['RECOMMENDATIONS'])) { return; } $params = array(); $params['Recommendations.Content'] = ''; $params['Recommendations.Color'] = 'blue'; foreach ($data['RECOMMENDATIONS'] as $recommendation) { if (count($recommendation) < 3) { continue; } $params['Recommendations.Content'] .= SucuriScanTemplate::getSnippet( 'sitecheck-recommendations', array( 'Recommendations.Title' => $recommendation[0], 'Recommendations.Value' => $recommendation[1], 'Recommendations.URL' => $recommendation[2], ) ); } return SucuriScanTemplate::getSection('sitecheck-recommendations', $params); } /** * Returns the title for the iFrames section. * * @return string Title for the iFrames section. */ public static function iFramesTitle() { $data = self::scanAndCollectData(); $niframes = isset($data['LINKS']['IFRAME']) && is_array($data['LINKS']['IFRAME']) ? count($data['LINKS']['IFRAME']) : 0; return sprintf(__('iFrames: %d', 'sucuri-scanner'), $niframes); } /** * Returns the title for the links section. * * @return string Title for the links section. */ public static function linksTitle() { $data = self::scanAndCollectData(); $nlinks = isset($data['LINKS']['URL']) && is_array($data['LINKS']['URL']) ? count($data['LINKS']['URL']) : 0; return sprintf(__('Links: %d', 'sucuri-scanner'), $nlinks); } /** * Returns the title for the scripts section. * * @return string Title for the scripts section. */ public static function scriptsTitle() { $data = self::scanAndCollectData(); $total = 0; /* all type of scripts */ if (isset($data['LINKS']['JSLOCAL'])) { $total += count($data['LINKS']['JSLOCAL']); } if (isset($data['LINKS']['JSEXTERNAL'])) { $total += count($data['LINKS']['JSEXTERNAL']); } return sprintf(__('Scripts: %d', 'sucuri-scanner'), $total); } /** * Returns the content for the iFrames section. * * @return string Content for the iFrames section. */ public static function iFramesContent() { $data = self::scanAndCollectData(); return isset($data['LINKS']['IFRAME']) ? $data['LINKS']['IFRAME'] : array(); } /** * Returns the content for the links section. * * @return string Content for the links section. */ public static function linksContent() { $data = self::scanAndCollectData(); return isset($data['LINKS']['URL']) ? $data['LINKS']['URL'] : array(); } /** * Returns the content for the scripts section. * * @return array Content for the scripts section. */ public static function scriptsContent() { $links = array(); $data = self::scanAndCollectData(); if (isset($data['LINKS']['JSLOCAL'])) { $links = array_merge($links, $data['LINKS']['JSLOCAL']); } if (isset($data['LINKS']['JSEXTERNAL'])) { $links = array_merge($links, $data['LINKS']['JSEXTERNAL']); } return $links; } /** * Extract detailed information from a SiteCheck malware payload. * * @param array $malware Array with two entries with basic malware information. * @return array Detailed information of the malware found by SiteCheck. */ public static function malwareDetails($malware = array()) { if (count($malware) < 2) { return array(/* empty details */); } $data = array( 'alert_message' => '', 'infected_url' => '', 'malware_type' => '', 'malware_docs' => '', 'malware_payload' => '', ); // Extract the information from the alert message. $alert_parts = explode(':', $malware[0], 2); if (isset($alert_parts[1])) { $data['alert_message'] = $alert_parts[0]; $data['infected_url'] = trim($alert_parts[1]); } // Extract the information from the malware message. $malware_parts = explode("\n", $malware[1], 2); if (isset($malware_parts[1])) { $pattern = ".\x20Details:\x20"; if (strpos($malware_parts[0], $pattern) !== false) { $offset = strpos($malware_parts[0], $pattern); $data['malware_type'] = substr($malware_parts[0], 0, $offset); $data['malware_docs'] = substr($malware_parts[0], $offset + 11); } $data['malware_payload'] = trim($malware_parts[1]); } return $data; } /** * Returns a JSON-encoded object with the malware scan results. * * @codeCoverageIgnore - Notice that there is a test case that covers this * code, but since the WP-Send-JSON method uses die() to stop any further * output it means that XDebug cannot cover the next line, leaving a report * with a missing line in the coverage. Since the test case takes care of * the functionality of this code we will assume that it is fully covered. * * @return void */ public static function ajaxMalwareScan() { if (SucuriScanRequest::post('form_action') !== 'malware_scan') { return; } ob_start(); $response = array(); $response['malware'] = SucuriScanSiteCheck::malware(); $response['blocklist'] = SucuriScanSiteCheck::blocklist(); $response['recommendations'] = SucuriScanSiteCheck::recommendations(); $response['iframes'] = array( 'title' => SucuriScanSiteCheck::iFramesTitle(), 'content' => SucuriScanSiteCheck::iFramesContent(), ); $response['links'] = array( 'title' => SucuriScanSiteCheck::linksTitle(), 'content' => SucuriScanSiteCheck::linksContent(), ); $response['scripts'] = array( 'title' => SucuriScanSiteCheck::scriptsTitle(), 'content' => SucuriScanSiteCheck::scriptsContent(), ); $errors = ob_get_clean(); /* capture possible errors */ if (!empty($errors)) { $response['malware'] = ''; $response['blocklist'] = ''; $response['recommendations'] = ''; } wp_send_json($response, 200); } /** * Returns the HTML to configure the API SiteCheck service. * * @return string HTML for the API SiteCheck service option. */ public static function targetURLOption() { $params = array(); if (SucuriScanInterface::checkNonce()) { $custom = SucuriScanRequest::post(':sitecheck_target'); if ($custom !== false) { SucuriScanOption::updateOption(':sitecheck_target', $custom); } } $params['SiteCheck.Target'] = self::targetURL(); return SucuriScanTemplate::getSection('sitecheck-target', $params); } } strings.php 0000604 00000137635 14717775511 0007000 0 ustar 00 <?php /** * Code related to translation strings. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } // auditlogs.html.tpl __('Loading...', 'sucuri-scanner'); __('Total logs in the queue:', 'sucuri-scanner'); __('Maximum execution time:', 'sucuri-scanner'); __('Successfully sent to the API:', 'sucuri-scanner'); __('Total request timeouts (failures):', 'sucuri-scanner'); __('Total execution time:', 'sucuri-scanner'); __('Send Logs', 'sucuri-scanner'); // base.html.tpl __('Sucuri Security', 'sucuri-scanner'); __('WP Plugin', 'sucuri-scanner'); __('Review', 'sucuri-scanner'); __('Generate API Key', 'sucuri-scanner'); __('Dashboard', 'sucuri-scanner'); __('Firewall (WAF)', 'sucuri-scanner'); __('Settings', 'sucuri-scanner'); __('Copyright', 'sucuri-scanner'); __('Sucuri Inc. All Rights Reserved.', 'sucuri-scanner'); __('Help & More', 'sucuri-scanner'); // dashboard.html.tpl __('no data available', 'sucuri-scanner'); __('Audit Logs', 'sucuri-scanner'); // firewall-auditlogs.html.tpl __('Firewall Audit Logs', 'sucuri-scanner'); __('The firewall logs every request involved in an attack and separates them from the legitimate requests. You can analyze the data from the latest entries in the logs using this tool and take action either enabling the advanced features of the IDS <em>(Intrusion Detection System)</em> from the <a href="https://waf.sucuri.net/?settings" target="_blank" rel="noopener">Firewall Dashboard</a> and/or blocking IP addresses and URL paths directly from the <a href="https://waf.sucuri.net/?audit" target="_blank" rel="noopener">Firewall Audit Trails</a> page.', 'sucuri-scanner'); __('Non-blocked requests are hidden from the logs, this is intentional.', 'sucuri-scanner'); __('Loading...', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // firewall-auditlogs.snippet.tpl __('Date/Time:', 'sucuri-scanner'); __('Signature:', 'sucuri-scanner'); __('Request:', 'sucuri-scanner'); __('U-Agent:', 'sucuri-scanner'); __('Target:', 'sucuri-scanner'); __('Referer:', 'sucuri-scanner'); // firewall-clearcache.html.tpl __('Loading...', 'sucuri-scanner'); __('Clear cache when a post or page is updated (Loading...)', 'sucuri-scanner'); __('Clear cache when a post or page is updated', 'sucuri-scanner'); __('Clear Cache', 'sucuri-scanner'); __('The firewall offers multiple options to configure the cache level applied to your website. You can either enable the full cache which is the recommended setting, or you can set the cache level to minimal which will keep the pages static for a couple of minutes, or force the usage of the website headers <em>(only for advanced users)</em>, or in extreme cases where you do not need the cache you can simply disable it. Find more information about it in the <a href="https://kb.sucuri.net/firewall/Performance/caching-options" target="_blank" rel="noopener">Sucuri Knowledge Base</a> website.', 'sucuri-scanner'); __('Note that the firewall has <a href="https://kb.sucuri.net/firewall/Performance/cache-exceptions" target="_blank" rel="noopener">special caching rules</a> for Images, CSS, PDF, TXT, JavaScript, media files and a few more extensions that are stored on our <a href="https://en.wikipedia.org/wiki/Edge_device" target="_blank" rel="noopener">edge</a>. The only way to flush the cache for these files is by clearing the firewall’s cache completely <em>(for the whole website)</em>. Due to our caching of JavaScript and CSS files, often, as is best practice, the use of versioning during development will ensure updates going live as expected. This is done by adding a query string such as <code>?ver=1.2.3</code> and incrementing on each update.', 'sucuri-scanner'); __('A web cache (or HTTP cache) is an information technology for the temporary storage (caching) of web documents, such as HTML pages and images, to reduce bandwidth usage, server load, and perceived lag. A web cache system stores copies of documents passing through it; subsequent requests may be satisfied from the cache if certain conditions are met. A web cache system can refer either to an appliance, or to a computer program. — <a href="https://en.wikipedia.org/wiki/Web_cache" target="_blank" rel="noopener">WikiPedia - Web Cache</a>', 'sucuri-scanner'); // firewall-ipaccess.html.tpl __('Delete', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); __('Loading...', 'sucuri-scanner'); __('IP Address Access', 'sucuri-scanner'); __('This tool allows you to add one or more IP addresses to the blocklist and stop them from accessing your website.', 'sucuri-scanner'); __('To delete an IP from the blocklist you can use the form below or you can log into the Firewall dashboard.', 'sucuri-scanner'); __('Add IP to the Blocklist:', 'sucuri-scanner'); __('e.g. 192.168.1.54', 'sucuri-scanner'); __('IP Address', 'sucuri-scanner'); // firewall-settings.html.tpl __('Firewall Settings', 'sucuri-scanner'); __('A powerful Web Application Firewall and <b>Intrusion Detection System</b> for any WordPress user and many other platforms. This page will help you to configure and monitor your site through the <b>Sucuri Firewall</b>. Once enabled, our firewall will act as a shield, protecting your site from attacks and preventing malware infections and reinfections. It will block SQL injection attempts, brute force attacks, XSS, RFI, backdoors and many other threats against your site.', 'sucuri-scanner'); __('Add your <a href="https://waf.sucuri.net/?settings&panel=api" target="_blank" rel="noopener">Firewall API key</a> in the form below to start communicating with the firewall API service.', 'sucuri-scanner'); __('Firewall API Key:', 'sucuri-scanner'); __('Delete', 'sucuri-scanner'); __('Save', 'sucuri-scanner'); __('Name', 'sucuri-scanner'); __('Value', 'sucuri-scanner'); __('<em>[1]</em> More information about the <a href="https://sucuri.net/website-firewall/" target="_blank" rel="noopener">Sucuri Firewall</a>, features and pricing.<br><em>[2]</em> Instructions and videos in the official <a href="https://kb.sucuri.net/firewall" target="_blank" rel="noopener">Knowledge Base</a> site.<br><em>[3]</em> <a href="https://sucuri.net/website-security-platform/signup/" target="_blank" rel="noopener">Sign up</a> for a new account and start protecting your site.', 'sucuri-scanner'); // firewall.html.tpl __('Settings', 'sucuri-scanner'); __('Audit Logs', 'sucuri-scanner'); __('IP Access', 'sucuri-scanner'); __('Clear Cache', 'sucuri-scanner'); // integrity-correct.html.tpl __('WordPress Integrity', 'sucuri-scanner'); __('We inspect your WordPress installation and look for modifications on the core files as provided by WordPress.org. Files located in the root directory, wp-admin and wp-includes will be compared against the files distributed with v%%SUCURI.WordPressVersion%%; all files with inconsistencies will be listed here. Any changes might indicate a hack.', 'sucuri-scanner'); __('All Core WordPress Files Are Correct', 'sucuri-scanner'); __('We have not identified additional files, deleted files, or relevant changes to the core files in your WordPress installation. If you are experiencing other malware issues, please use a <a href="https://sucuri.net/website-security/malware-removal" target="_blank" rel="noopener">Server Side Scanner</a>.', 'sucuri-scanner'); __('Review False Positives', 'sucuri-scanner'); // integrity-diff-utility.html.tpl __('Loading...', 'sucuri-scanner'); __('Lines with a <b>minus</b> sign as the prefix <em>(here in red)</em> show the original code. Lines with a <b>plus</b> sign as the prefix <em>(here in green)</em> show the modified code. You can read more about the DIFF format from the WikiPedia article about the <a target="_blank" href="https://en.wikipedia.org/wiki/Diff_utility" rel="noopener">Unix Diff Utility</a>.', 'sucuri-scanner'); // integrity-incorrect.html.tpl __('WordPress Integrity', 'sucuri-scanner'); __('We inspect your WordPress installation and look for modifications on the core files as provided by WordPress.org. Files located in the root directory, wp-admin and wp-includes will be compared against the files distributed with v%%SUCURI.WordPressVersion%%; all files with inconsistencies will be listed here. Any changes might indicate a hack.', 'sucuri-scanner'); __('Core WordPress Files Were Modified', 'sucuri-scanner'); __('We identified that some of your WordPress core files were modified. That might indicate a hack or a broken file on your installation. If you are experiencing other malware issues, please use a <a href="https://sucuri.net/website-security/malware-removal" target="_blank" rel="noopener">Server Side Scanner</a>.', 'sucuri-scanner'); __('Review False Positives', 'sucuri-scanner'); __('WordPress Integrity (%%SUCURI.Integrity.ListCount%%)', 'sucuri-scanner'); __('The Unix Diff Utility is enabled. You can click the files in the table to see the differences detected by the scanner. If you consider the differences to be harmless you can mark the file as fixed, otherwise it is advised to restore the original content immediately.', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('File Size', 'sucuri-scanner'); __('Modified At', 'sucuri-scanner'); __('File Path', 'sucuri-scanner'); __('I understand that this operation cannot be reverted.', 'sucuri-scanner'); __('Action:', 'sucuri-scanner'); __('Mark as Fixed', 'sucuri-scanner'); __('Restore File', 'sucuri-scanner'); __('Delete File', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); __('Marking one or more files as fixed will force the plugin to ignore them during the next scan, very useful when you find false positives. Additionally you can restore the original content of the core files that appear as modified or deleted, this will tell the plugin to download a copy of the original files from the official WordPress repository. Deleting a file is an irreversible action, be careful.', 'sucuri-scanner'); // integrity-notification.html.tpl __('We identified that some of your WordPress core files were modified. That might indicate a hack or a broken file on your installation. If you are experiencing other malware issues, please use a <a href="https://sucuri.net/website-security/malware-removal" target="_blank" rel="noopener">Server Side Scanner</a>.', 'sucuri-scanner'); __('WordPress Integrity (%%SUCURI.Integrity.ListCount%%)', 'sucuri-scanner'); __('Status', 'sucuri-scanner'); __('File Size', 'sucuri-scanner'); __('Modified At', 'sucuri-scanner'); __('File Path', 'sucuri-scanner'); __('Marking one or more files as fixed will force the plugin to ignore them during the next scan, very useful when you find false positives. Additionally you can restore the original content of the core files that appear as modified or deleted, this will tell the plugin to download a copy of the original files from the official WordPress repository. Deleting a file is an irreversible action, be careful.', 'sucuri-scanner'); // integrity.html.tpl __('WordPress Integrity', 'sucuri-scanner'); __('We inspect your WordPress installation and look for modifications on the core files as provided by WordPress.org. Files located in the root directory, wp-admin and wp-includes will be compared against the files distributed with v%%SUCURI.WordPressVersion%%; all files with inconsistencies will be listed here. Any changes might indicate a hack.', 'sucuri-scanner'); __('Loading...', 'sucuri-scanner'); // lastlogins.html.tpl __('All Users', 'sucuri-scanner'); __('Admins', 'sucuri-scanner'); __('Logged-in Users', 'sucuri-scanner'); __('Failed Logins', 'sucuri-scanner'); // lastlogins-admins.html.tpl __('Successful Logins (admins)', 'sucuri-scanner'); __('Here you can see a list of all the successful logins of accounts with admin privileges.', 'sucuri-scanner'); __('Username', 'sucuri-scanner'); __('Registration', 'sucuri-scanner'); __('Newest To Oldest', 'sucuri-scanner'); // lastlogins-admins.snippet.tpl __('no data available', 'sucuri-scanner'); __('IP Address', 'sucuri-scanner'); __('Date/Time', 'sucuri-scanner'); __('Edit User Profile', 'sucuri-scanner'); // lastlogins-all.html.tpl __('Successful Logins (all)', 'sucuri-scanner'); __('Here you can see a list of all the successful user logins.', 'sucuri-scanner'); __('Username', 'sucuri-scanner'); __('IP Address', 'sucuri-scanner'); __('Hostname', 'sucuri-scanner'); __('Date/Time', 'sucuri-scanner'); __('no data available', 'sucuri-scanner'); __('Delete All Successful Logins', 'sucuri-scanner'); // lastlogins-all.snippet.tpl __('Edit', 'sucuri-scanner'); // lastlogins-failedlogins.html.tpl __('Failed logins', 'sucuri-scanner'); __('This information will be used to determine if your site is being victim of <a href="https://kb.sucuri.net/definitions/attacks/brute-force/password-guessing" target="_blank" rel="noopener">Password Guessing Brute Force Attacks</a>. These logs will be accumulated and the plugin will send a report via email if there are more than <code>%%SUCURI.FailedLogins.MaxFailedLogins%%</code> failed login attempts during the same hour, you can change this number from <a href="%%SUCURI.URL.Settings%%#alerts">here</a>. <b>NOTE:</b> Some <em>"Two-Factor Authentication"</em> plugins do not follow the same rules that WordPress have to report failed login attempts, so you may not see all the attempts in this panel if you have one of these plugins installed.', 'sucuri-scanner'); __('Username', 'sucuri-scanner'); __('IP Address', 'sucuri-scanner'); __('Date/Time', 'sucuri-scanner'); __('Web Browser', 'sucuri-scanner'); __('no data available', 'sucuri-scanner'); __('Block', 'sucuri-scanner'); __('Delete All Failed Logins', 'sucuri-scanner'); // lastlogins-loggedin.html.tpl __('Logged-in Users}', 'sucuri-scanner'); __('Here you can see a list of the users that are currently logged-in.', 'sucuri-scanner'); __('ID', 'sucuri-scanner'); __('Username', 'sucuri-scanner'); __('Last Activity', 'sucuri-scanner'); __('Registered', 'sucuri-scanner'); __('IP Address', 'sucuri-scanner'); // lastlogins-loggedin.snippet.tpl __('Edit User Profile', 'sucuri-scanner'); __('Website:', 'sucuri-scanner'); __('IP Address:', 'sucuri-scanner'); __('Reverse IP:', 'sucuri-scanner'); __('Date/Time:', 'sucuri-scanner'); __('Message:', 'sucuri-scanner'); // register-site.html.tpl __('An API key is required to activate some additional tools available in this plugin. The keys are free and you can virtually generate an unlimited number of them as long as the domain name and email address are unique. The key is used to authenticate the HTTP requests sent by the plugin to an API service managed by Sucuri Inc.', 'sucuri-scanner'); __('If you experience issues generating the API key you can request one by sending the domain name and email address that you want to use to <a href="mailto:info@sucuri.net">info@sucuri.net</a>. Note that generating a key for a website that is not facing the Internet is not possible because the API service needs to validate that the domain name exists.', 'sucuri-scanner'); __('Website:', 'sucuri-scanner'); __('E-mail:', 'sucuri-scanner'); __('DNS Lookups', 'sucuri-scanner'); __('Check the box if your website is behind a known firewall service, this guarantees that the IP address of your visitors will be detected correctly for the security logs. You can change this later from the settings.', 'sucuri-scanner'); __('Enable DNS Lookups On Startup', 'sucuri-scanner'); __('I agree to the <a target="_blank" href="https://sucuri.net/terms">Terms of Service</a>.', 'sucuri-scanner'); __('I have read and understand the <a target="_blank" href="https://sucuri.net/privacy">Privacy Policy</a>.', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-alerts-bruteforce.html.tpl __('Password Guessing Brute Force Attacks', 'sucuri-scanner'); __('<a href="https://kb.sucuri.net/definitions/attacks/brute-force/password-guessing" target="_blank" rel="noopener">Password guessing brute force attacks</a> are very common against web sites and web servers. They are one of the most common vectors used to compromise web sites. The process is very simple and the attackers basically try multiple combinations of usernames and passwords until they find one that works. Once they get in, they can compromise the web site with malware, spam , phishing or anything else they want.', 'sucuri-scanner'); __('Consider Brute-Force Attack After:', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-alerts-events.html.tpl __('Security Alerts', 'sucuri-scanner'); __('You have installed a plugin or theme that is not fully compatible with our plugin, some of the security alerts (like the successful and failed logins) will not be sent to you. To prevent an infinite loop while detecting these changes in the website and sending the email alerts via a custom SMTP plugin, we have decided to stop any attempt to send the emails to prevent fatal errors.', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('Event', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-alerts-ignore-posts.html.tpl __('Post-Type Alerts', 'sucuri-scanner'); __('It seems that you disabled the email alerts for <b>new site content</b>, this panel is intended to provide a way to ignore specific events in your site and with that the alerts reported to your email. Since you have deactivated the <b>new site content</b> alerts, this panel will be disabled too.', 'sucuri-scanner'); __('This is a list of registered <a href="https://codex.wordpress.org/Post_Types" target="_blank" rel="noopener">Post Types</a>. You will receive an email alert when a custom page or post associated to any of these types is created or updated. If you don’t want to receive one or more of these alerts, feel free to uncheck the boxes in the table below. If you are receiving alerts for post types that are not listed in this table, it may be because there is an add-on that that is generating a custom post-type on runtime, you will have to find out by yourself what is the unique ID of that post-type and type it in the form below. The plugin will do its best to ignore these alerts as long as the unique ID is valid.', 'sucuri-scanner'); __('Stop Alerts For This Post-Type:', 'sucuri-scanner'); __('e.g. unique_post_type_id', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); __('Show Post-Types Table', 'sucuri-scanner'); __('Hide Post-Types Table', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('Post Type', 'sucuri-scanner'); __('Post Type ID', 'sucuri-scanner'); __('Ignored At (optional)', 'sucuri-scanner'); // settings-alerts-perhour.html.tpl __('Alerts Per Hour', 'sucuri-scanner'); __('Configure the maximum number of email alerts per hour. If the number is exceeded and the plugin detects more events during the same hour, it will still log the events into the audit logs but will not send the email alerts. Be careful with this as you will miss important information.', 'sucuri-scanner'); __('Maximum Alerts Per Hour:', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-alerts-recipients.html.tpl __('Alerts Recipient', 'sucuri-scanner'); __('By default, the plugin will send the email alerts to the primary admin account, the same account created during the installation of WordPress in your web server. You can add more people to the list, they will receive a copy of the same security alerts.', 'sucuri-scanner'); __('E-mail:', 'sucuri-scanner'); __('e.g. user@example.com', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('E-mail', 'sucuri-scanner'); __('Delete', 'sucuri-scanner'); __('Test Alerts', 'sucuri-scanner'); // settings-alerts-subject.html.tpl __('Alert Subject', 'sucuri-scanner'); __('Format of the subject for the email alerts, by default the plugin will use the website name and the event identifier that is being reported, you can use this panel to include the IP address of the user that triggered the event and some additional data. You can create filters in your email client creating a custom email subject using the pseudo-tags shown below.', 'sucuri-scanner'); __('Custom Format', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-alerts-trustedips.html.tpl __('Trusted IP Addresses', 'sucuri-scanner'); __('If you are working in a LAN <em>(Local Area Network)</em> you may want to include the IP addresses of all the nodes in the subnet, this will force the plugin to stop sending email alerts about actions executed from trusted IP addresses. Use the CIDR <em>(Classless Inter Domain Routing)</em> format to specify ranges of IP addresses <em>(only 8, 16, and 24)</em>.', 'sucuri-scanner'); __('IP Address:', 'sucuri-scanner'); __('e.g. 182.120.56.0/24', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('IP Address', 'sucuri-scanner'); __('CIDR Format', 'sucuri-scanner'); __('IP Added At', 'sucuri-scanner'); __('no data available', 'sucuri-scanner'); __('Delete', 'sucuri-scanner'); // settings-apirecovery.html.tpl __('If this operation was successful you will receive a message in the email used during the registration of the API key <em>(usually the email of the main admin user)</em>. This message contains the key in plain text, copy and paste the key in the form field below. The plugin will verify the authenticity of the key sending an initial HTTP request to the API service, if this fails the key will be removed automatically and you will have to start the process all over again.', 'sucuri-scanner'); __('There are cases where this operation may fail, an example would be when the email address is not associated with the domain anymore, this happens when the base URL changes <em>(from www to none or viceversa)</em>. If you are having issues recovering the key please send an email explaining the situation to <a href="mailto:info@sucuri.net">info@sucuri.net</a>', 'sucuri-scanner'); __('API Key:', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-apiregistered.html.tpl __('Congratulations! The rest of the features available in the plugin have been enabled. This product is designed to supplement existing security products. It’s not a silver bullet for your security needs, but it’ll give you greater security awareness and better posture, all with the intent of reducing risk.', 'sucuri-scanner'); __('Your website has been granted a new API key and it was associated to the email address that you chose during the registration process. You can use the same email to recover the key if you happen to lose it sometime. We encourage you to check the rest of the settings page and configure the plugin to your own needs.', 'sucuri-scanner'); __('Dashboard', 'sucuri-scanner'); __('Settings', 'sucuri-scanner'); // settings-apiservice-checksums.html.tpl __('WordPress Checksums API', 'sucuri-scanner'); __('The WordPress integrity tool uses a remote API service maintained by the WordPress organization to determine which files in the installation were added, removed or modified. The API returns a list of files with their respective checksums, this information guarantees that the installation is not corrupt. You can, however, point the integrity tool to a GitHub repository in case that you are using a custom version of WordPress like the <a href="https://github.com/WordPress/WordPress" target="_blank" rel="noopener">development version of the code</a>.', 'sucuri-scanner'); __('WordPress Checksums API', 'sucuri-scanner'); __('e.g. URL — or — user/repo', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-apiservice-proxy.html.tpl __('API Communication via Proxy', 'sucuri-scanner'); __('All the HTTP requests used to communicate with the API service are being sent using the WordPress built-in functions, so (almost) all its official features are inherited, this is useful if you need to pass these HTTP requests through a proxy. According to the <a href="https://developer.wordpress.org/reference/classes/wp_http_proxy/" target="_blank" rel="noopener">official documentation</a> you have to add some constants to the main configuration file: <em>WP_PROXY_HOST, WP_PROXY_PORT, WP_PROXY_USERNAME, WP_PROXY_PASSWORD</em>.', 'sucuri-scanner'); __('HTTP Proxy Hostname', 'sucuri-scanner'); __('HTTP Proxy Port num', 'sucuri-scanner'); __('HTTP Proxy Username', 'sucuri-scanner'); __('HTTP Proxy Password', 'sucuri-scanner'); // settings-apiservice-status.html.tpl __('API Service Communication', 'sucuri-scanner'); __('Once the API key is generate the plugin will communicate with a remote API service that will act as a safe data storage for the audit logs generated when the website triggers certain events that the plugin monitors. If the website is hacked the attacker will not have access to these logs and that way you can investigate what was modified <em>(for malware infaction)</em> and/or how the malicious person was able to gain access to the website.', 'sucuri-scanner'); __('Disabling the API service communication will stop the event monitoring, consider to enable the <a href="%%SUCURI.URL.Settings%%#general">Log Exporter</a> to keep the monitoring working while the HTTP requests are ignored, otherwise an attacker may execute an action that will not be registered in the security logs and you will not have a way to investigate the attack in the future.', 'sucuri-scanner'); __('<strong>Are you a developer?</strong> You may be interested in our API. Feel free to use the URL shown below to access the latest 50 entries in your security log, change the value for the parameter <code>l=N</code> if you need more. Be aware that the API doesn’t provides an offset parameter, so if you have the intention to query specific sections of the log you will need to wrap the HTTP request around your own cache mechanism. We <strong>DO NOT</strong> take feature requests for the API, this is a semi-private service tailored for the specific needs of the plugin and not intended to be used by 3rd-party apps, we may change the behavior of each API endpoint without previous notice, use it at your own risk.', 'sucuri-scanner'); // settings-general-datastorage.html.tpl __('Data Storage', 'sucuri-scanner'); __('This is the directory where the plugin will store the security logs, the list of files marked as fixed in the core integrity tool, the cache for the malware scanner and 3rd-party plugin metadata. The plugin requires write permissions in this directory as well as the files contained in it. If you prefer to keep these files in a non-public directory <em>(one level up the document root)</em> please define a constant in the <em>"wp-config.php"</em> file named <em>"SUCURI_DATA_STORAGE"</em> with the absolute path to the new directory.', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('File Path', 'sucuri-scanner'); __('File Size', 'sucuri-scanner'); __('Status', 'sucuri-scanner'); __('Writable', 'sucuri-scanner'); __('Delete', 'sucuri-scanner'); // settings-general-importexport.html.tpl __('Import & Export Settings', 'sucuri-scanner'); __('Copy the JSON-encoded data from the box below, go to your other websites and click the <em>"Import"</em> button in the settings page. The plugin will start using the same settings from this website. Notice that some options are omitted as they contain values specific to this website. To import the settings from another website into this one, replace the JSON-encoded data in the box below with the JSON-encoded data exported from the other website, then click the button <em>"Import"</em>. Notice that some options will not be imported to reduce the security risk of writing arbitrary data into the disk.', 'sucuri-scanner'); __('I understand that this operation cannot be reverted.', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-general-ipdiscoverer.html.tpl __('IP Address Discoverer', 'sucuri-scanner'); __('IP address discoverer will use DNS lookups to automatically detect if the website is behind the <a href="https://sucuri.net/website-firewall/" target="_blank" rel="noopener">Sucuri Firewall</a>, in which case it will modify the global server variable <em>Remote-Addr</em> to set the real IP of the website’s visitors. This check runs on every WordPress init action and that is why it may slow down your website as some hosting providers rely on slow DNS servers which makes the operation take more time than it should.', 'sucuri-scanner'); __('HTTP Header:', 'sucuri-scanner'); __('Proceed', 'sucuri-scanner'); __('Sucuri Firewall', 'sucuri-scanner'); __('Website:', 'sucuri-scanner'); __('Top Level Domain:', 'sucuri-scanner'); __('Hostname:', 'sucuri-scanner'); __('IP Address (Hostname):', 'sucuri-scanner'); __('IP Address (Username):', 'sucuri-scanner'); // settings-general-resetoptions.html.tpl __('Reset Security Logs, Hardening and Settings', 'sucuri-scanner'); __('This action will trigger the deactivation / uninstallation process of the plugin. All local security logs, hardening and settings will be deleted. Notice that the security logs stored in the API service will not be deleted, this is to prevent tampering from a malicious user. You can request a new API key if you want to start from scratch.', 'sucuri-scanner'); __('I understand that this operation cannot be reverted.', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-general-reverseproxy.html.tpl __('Reverse Proxy', 'sucuri-scanner'); __('The event monitor uses the API address of the origin of the request to track the actions. The plugin uses two methods to retrieve this: the main method uses the global server variable <em>Remote-Addr</em> available in most modern web servers, and an alternative method uses custom HTTP headers <em>(which are unsafe by default)</em>. You should not worry about this option unless you know what a reverse proxy is. Services like the <a href="https://sucuri.net/website-firewall/" target="_blank" rel="noopener">Sucuri Firewall</a> — once active — force the network traffic to pass through them to filter any security threat that may affect the original server. A side effect of this is that the real IP address is no longer available in the global server variable <em>Remote-Addr</em> but in a custom HTTP header with a name provided by the service.', 'sucuri-scanner'); // settings-general-selfhosting.html.tpl __('Log Exporter', 'sucuri-scanner'); __('This option allows you to export the WordPress audit logs to a local log file that can be read by a SIEM or any log analysis software <em>(we recommend OSSEC)</em>. That will give visibility from within WordPress to complement your log monitoring infrastructure. <b>NOTE:</b> Do not use a publicly accessible file, you must use a file at least one level up the document root to prevent leaks of information.', 'sucuri-scanner'); __('File Path:', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-general-timezone.html.tpl __('Timezone Override', 'sucuri-scanner'); __('This option defines the timezone that will be used through out the entire plugin to print the dates and times whenever is necessary. This option also affects the date and time of the logs visible in the audit logs panel which is data that comes from a remote server configured to use Eastern Daylight Time (EDT). WordPress offers an option in the general settings page to allow you to configure the timezone for the entire website, however, if you are experiencing problems with the time in the audit logs, this option will help you fix them.', 'sucuri-scanner'); __('Timezone:', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-hardening-allowlist-phpfiles.html.tpl __('Allow Blocked PHP Files', 'sucuri-scanner'); __('After you apply the hardening in either the includes, content, and/or uploads directories, the plugin will add a rule in the access control file to deny access to any PHP file located in these folders. This is a good precaution in case an attacker is able to upload a shell script. With a few exceptions the <em>"index.php"</em> file is the only one that should be publicly accessible, however many theme/plugin developers decide to use these folders to process some operations. In this case applying the hardening <strong>may break</strong> their functionality.', 'sucuri-scanner'); __('File Path:', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('File Path', 'sucuri-scanner'); __('Directory', 'sucuri-scanner'); __('Pattern', 'sucuri-scanner'); __('no data available', 'sucuri-scanner'); __('Delete', 'sucuri-scanner'); // settings-posthack-available-updates-alert.html.tpl __('WordPress has a big user base in the public Internet, which brings interest to attackers to find vulnerabilities in the code, 3rd-party extensions, and themes that other companies develop. You should keep every piece of code installed in your website updated to prevent attacks as soon as disclosed vulnerabilities are patched.', 'sucuri-scanner'); __('Name', 'sucuri-scanner'); __('Version', 'sucuri-scanner'); __('Update', 'sucuri-scanner'); __('Tested With', 'sucuri-scanner'); // settings-posthack-available-updates.html.tpl __('Available Plugin and Theme Updates', 'sucuri-scanner'); __('WordPress has a big user base in the public Internet, which brings interest to attackers to find vulnerabilities in the code, 3rd-party extensions, and themes that other companies develop. You should keep every piece of code installed in your website updated to prevent attacks as soon as disclosed vulnerabilities are patched.', 'sucuri-scanner'); __('Name', 'sucuri-scanner'); __('Version', 'sucuri-scanner'); __('Update', 'sucuri-scanner'); __('Tested With', 'sucuri-scanner'); __('Loading...', 'sucuri-scanner'); // settings-posthack-available-updates.snippet.tpl __('Download', 'sucuri-scanner'); // settings-posthack-reset-password-alert.html.tpl __('WordPress has invalidated the password for your account <b>%%SUCURI.ResetPassword.UserName%%</b> at <a target="_blank" href="http://%%SUCURI.ResetPassword.Website%%" rel="noopener">%%SUCURI.ResetPassword.Website%%</a>. The change has been requested by one of the admins in this website for security reasons. You can set a new password at — <span style="font-family:Menlo, Monaco, monospace, serif;font-weight:700"><a target="_blank" href="%%%SUCURI.ResetPassword.ResetURL%%%" rel="noopener">%%%SUCURI.ResetPassword.ResetURL%%%</a></span> —.', 'sucuri-scanner'); // settings-posthack-reset-password.html.tpl __('Reset User Password', 'sucuri-scanner'); __('Loading...', 'sucuri-scanner'); __('Select users from the list in order to change their passwords, terminate their sessions and email them a password reset link. Please be aware that the plugin will change the passwords before sending the emails, meaning that if your web server is unable to send emails, your users will be locked out of the site.', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('Username', 'sucuri-scanner'); __('E-mail', 'sucuri-scanner'); __('Registered', 'sucuri-scanner'); __('Roles', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-posthack-reset-plugins.html.tpl __('Reset Installed Plugins', 'sucuri-scanner'); __('Loading...', 'sucuri-scanner'); __('In case you suspect having an infection in your site, or after you got rid of a malicious code, it’s recommended to reinstall all the plugins installed in your site, including the ones you are not using. Notice that premium plugins will not be automatically reinstalled to prevent backward compatibility issues and problems with licenses.', 'sucuri-scanner'); __('The information shown here is cached for %%SUCURI.ResetPlugin.CacheLifeTime%% seconds. This is necessary to reduce the quantity of HTTP requests sent to the WordPress servers and the bandwidth of your site. Currently there is no option to recreate this cache.', 'sucuri-scanner'); __('<b>WARNING!</b> This procedure can break your website. The reset will not affect the database nor the settings of each plugin, but depending on how they were written the reset action might break them. Be sure to create a backup of the plugins directory before the execution of this tool.', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('Name', 'sucuri-scanner'); __('Version', 'sucuri-scanner'); __('Type', 'sucuri-scanner'); __('Status', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-posthack-security-keys.html.tpl __('Update Secret Keys', 'sucuri-scanner'); __('The secret or security keys are a list of constants added to your site to ensure better encryption of information stored in the user’s cookies. A secret key makes your site harder to hack by adding random elements to the password. You do not have to remember the keys, just write a random, complicated, and long string in the <code>wp-config.php</code> file. You can change these keys at any point in time. Changing them will invalidate all existing cookies, forcing all logged in users to login again.', 'sucuri-scanner'); __('Your current session will expire once the form is submitted.', 'sucuri-scanner'); __('Status', 'sucuri-scanner'); __('Name', 'sucuri-scanner'); __('Value', 'sucuri-scanner'); __('I understand that this operation cannot be reverted.', 'sucuri-scanner'); __('Generate New Security Keys', 'sucuri-scanner'); __('Automatic Secret Keys Updater', 'sucuri-scanner'); __('Changing the Secret Keys frequently will decrease the chances of misuse of sessions left open on unprotected devices.', 'sucuri-scanner'); __('Frequency:', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-scanner-cronjobs.html.tpl __('Scheduled Tasks', 'sucuri-scanner'); __('The plugin scans your entire website looking for changes which are later reported via the API in the audit logs page. By default the scanner runs daily but you can change the frequency to meet your requirements. Notice that scanning your project files too frequently may affect the performance of your website. Be sure to have enough server resources before changing this option. The memory limit and maximum execution time are two of the PHP options that your server will set to stop your website from consuming too much resources.', 'sucuri-scanner'); __('The scanner uses the <a href="http://php.net/manual/en/class.splfileobject.php" target="_blank" rel="noopener">PHP SPL library</a> and the <a target="_blank" href="http://php.net/manual/en/class.filesystemiterator.php" rel="noopener">Filesystem Iterator</a> class to scan the directory tree where your website is located in the server. This library is only available on PHP 5 >= 5.3.0 — OR — PHP 7; if you have an older version of PHP the plugin will not work as expected. Please ask your hosting provider to advise you on this matter.', 'sucuri-scanner'); __('Scheduled tasks are rules registered in your database by a plugin, theme, or the base system itself; they are used to automatically execute actions defined in the code every certain amount of time. A good use of these rules is to generate backup files of your site, execute a security scanner, or remove unused elements like drafts. <b>Note:</b> Scheduled tasks can be re-installed by any plugin/theme automatically.', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('Name', 'sucuri-scanner'); __('Schedule', 'sucuri-scanner'); __('Next Due', 'sucuri-scanner'); __('Arguments', 'sucuri-scanner'); __('Loading...', 'sucuri-scanner'); __('Action:', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // settings-scanner-ignore-folders.html.tpl __('Ignore Files And Folders During The Scans', 'sucuri-scanner'); __('Use this tool to select the files and/or folders that are too heavy for the scanner to process. These are usually folders with images, media files like videos and audios, backups and — in general — anything that is not code-related. Ignoring these files or folders will reduce the memory consumption of the PHP script.', 'sucuri-scanner'); __('Ignore a file or directory:', 'sucuri-scanner'); __('e.g. /private/directory/', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('File Path', 'sucuri-scanner'); __('Status', 'sucuri-scanner'); __('Unignore Selected Directories', 'sucuri-scanner'); // settings-scanner-integrity-cache.html.tpl __('WordPress Integrity (False Positives)', 'sucuri-scanner'); __('Since the scanner doesn’t read the files during the execution of the integrity check, it is possible to find false positives. Files listed here have been marked as false positives and will be ignored by the scanner in subsequent scans.', 'sucuri-scanner'); __('Select All', 'sucuri-scanner'); __('Reason', 'sucuri-scanner'); __('Ignored At', 'sucuri-scanner'); __('File Path', 'sucuri-scanner'); __('no data available', 'sucuri-scanner'); __('Stop Ignoring the Selected Files', 'sucuri-scanner'); // settings-scanner-integrity-diff-utility.html.tpl __('WordPress Integrity Diff Utility', 'sucuri-scanner'); __('If your server allows the execution of system commands, you can configure the plugin to use the <a href="https://en.wikipedia.org/wiki/Diff_utility" target="_blank" rel="noopener">Unix Diff Utility</a> to compare the actual content of the file installed in the website and the original file provided by WordPress. This will show the differences between both files and then you can act upon the information provided.', 'sucuri-scanner'); __('WordPress Integrity Diff Utility', 'sucuri-scanner'); // settings-webinfo-details.html.tpl __('Environment Variables', 'sucuri-scanner'); // settings-webinfo-htaccess.html.tpl __('Access File Integrity', 'sucuri-scanner'); __('The <code>.htaccess</code> file is a distributed configuration file, and is how the Apache web server handles configuration changes on a per-directory basis. WordPress uses this file to manipulate how Apache serves files from its root directory and subdirectories thereof; most notably, it modifies this file to be able to handle pretty permalinks.', 'sucuri-scanner'); __('Htaccess file found in', 'sucuri-scanner'); __('Your website has no <code>.htaccess</code> file or it was not found in the default location.', 'sucuri-scanner'); __('Your web server does not support .htaccess files.', 'sucuri-scanner'); __('The main <code>.htaccess</code> file in your site has the standard rules for a WordPress installation. You can customize it to improve the performance and change the behaviour of the redirections for pages and posts in your site. To get more information visit the official documentation at <a target="_blank" rel="noopener" href="https://codex.wordpress.org/Using_Permalinks#Creating_and_editing_.28.htaccess.29"> Codex WordPress - Creating and editing (.htaccess)</a>', 'sucuri-scanner'); __('Codex WordPress HTAccess', 'sucuri-scanner'); // settings.html.tpl __('General Settings', 'sucuri-scanner'); __('Scanner', 'sucuri-scanner'); __('Hardening', 'sucuri-scanner'); __('Post-Hack', 'sucuri-scanner'); __('Alerts', 'sucuri-scanner'); __('API Service Communication', 'sucuri-scanner'); __('Website Info', 'sucuri-scanner'); __('Hardening Options', 'sucuri-scanner'); // sitecheck-details.html.tpl __('This information will be updated %%SUCURI.SiteCheck.Lifetime%%', 'sucuri-scanner'); __('Refresh Malware Scan', 'sucuri-scanner'); // sitecheck-malware.html.tpl __('Request Malware Cleanup', 'sucuri-scanner'); __('No malicious JavaScript', 'sucuri-scanner'); __('No malicious iFrames', 'sucuri-scanner'); __('No suspicious redirections', 'sucuri-scanner'); __('No blackhat SEO spam', 'sucuri-scanner'); __('No anomaly detection', 'sucuri-scanner'); __('This is a free website security scanner. Some types of malware and security issues cannot be detected by this scanner. If no issues are detected but you suspect a problem still exists, <a href="https://sucuri.net/website-security-platform/signup/" target="_blank" rel="noopener">sign up</a> for a complete and in depth website scan with malware cleanup.', 'sucuri-scanner'); __('The Sucuri Security Plugin's automated scanner has detected malware in your WordPress environment.', 'sucuri-scanner'); __('Log in to the <a href="https://dashboard.sucuri.net/login" target="_blank" rel="noopener">Sucuri Platform</a> dashboard for a complete scan of your website files and guaranteed malware removal. You can <a href="https://sucuri.net/website-security-platform/signup/" target="_blank" rel="noopener">sign up here</a> if you don't have an account yet.', 'sucuri-scanner'); // sitecheck-malware.snippet.tpl __('Hover to see the Payload', 'sucuri-scanner'); // sitecheck-recommendations.html.tpl __('Recommendations', 'sucuri-scanner'); // sitecheck-target.html.tpl __('Malware Scan Target', 'sucuri-scanner'); __('The remote malware scanner provided by the plugin is powered by <a href="https://sitecheck.sucuri.net/" target="_blank" rel="noopener">Sucuri SiteCheck</a>, a service that takes a publicly accessible URL and scans it for malicious code. If your website is not visible to the Internet, for example, if it is hosted in a local development environment or a restricted network, the scanner will not be able to work on it. Additionally, if the website was installed in a non-standard directory the scanner will report a "404 Not Found" error. You can use this option to change the URL that will be scanned.', 'sucuri-scanner'); __('Malware Scan Target', 'sucuri-scanner'); __('Malware Scan Target:', 'sucuri-scanner'); __('Submit', 'sucuri-scanner'); // wordpress-recommendations.html.tpl __('WordPress Security Recommendations', 'sucuri-scanner'); // settings-headers-cache.html.tpl __('The max-age setting tells your browser how long, in seconds, it can keep a copy of a web page before it needs to check for a new version. This is the basic setting needed to make caching work on most devices.', 'sucuri-scanner'); __('The s-maxage setting tells shared caches, like those used by multiple visitors or devices (such as CDNs or web accelerators), how long they can keep a copy of a web page. It allows you to control how often these shared caches update their content compared to private caches.', 'sucuri-scanner'); __('The stale-if-error setting allows a cached page to be served even after it has expired if the original web server returns an error. This helps keep your website available by showing an older version of the page instead of an error message. You need to set a private or shared cache duration to use this option, and it can be set for hours or days.', 'sucuri-scanner'); __('The stale-while-revalidate setting lets shared caches serve an old version of a web page while they update the cached copy in the background. This improves loading times because visitors don’t have to wait for the updated content. Like stale-if-error, it requires a private or shared cache duration, and can be used together with stale-if-error. This setting is useful for ensuring quick page loads while keeping content reasonably fresh.', 'sucuri-scanner'); __('When this option is set, older pages will be cached for longer than newer pages (determined by page number). The configured pagination factor is added to the main maxage and s-maxage options. This allows less popular archives to be served as stale for longer.', 'sucuri-scanner'); __('When this option is set, the max-age and s-maxage values will be multiplied by the number of years since the last edit or comment (the Last Modified time). This allows posts that were published a long time ago to be cached longer than newer posts.', 'sucuri-scanner'); __('Here you can see all the cache options available.', 'sucuri-scanner'); __('Option', 'sucuri-scanner'); __('No options available', 'sucuri-scanner'); __('Cache Control Header', 'sucuri-scanner'); __('Enabled', 'sucuri-scanner'); __('Disabled', 'sucuri-scanner'); __('Mode:', 'sucuri-scanner'); __('Update', 'sucuri-scanner'); __('Edit', 'sucuri-scanner'); __('Please enable site caching on your WAF to use these settings. If you are a Sucuri client and require assistance, please <a href="https://docs.sucuri.net/billing/how-do-i-open-a-general-support-ticket/" target="_blank" rel="noopener">{{create a ticket}}</a> and reach out to the firewall team for support.', 'sucuri-scanner'); // settings-headers-cache-option.snippet.tpl __('Edit', 'sucuri-scanner'); template.lib.php 0000604 00000045255 14717775511 0007663 0 ustar 00 <?php /** * Code related to the template.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Read, parse and handle everything related with the templates. * * A web template system uses a template processor to combine web templates to * form finished web pages, possibly using some data source to customize the * pages or present a large amount of content on similar-looking pages. It is a * web publishing tool present in content management systems, web application * frameworks, and HTML editors. * * Web templates can be used like the template of a form letter to either * generate a large number of "static" (unchanging) web pages in advance, or to * produce "dynamic" web pages on demand. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanTemplate extends SucuriScanRequest { /** * Replace all pseudo-variables from a string of characters. * * @see http://php.net/manual/en/function.gettype.php * * @param string $content The content of a template file which contains pseudo-variables. * @param array $params List of pseudo-variables that will be replaced in the template. * @return string The content of the template with the pseudo-variables replated. */ private static function replacePseudoVars($content = '', $params = array()) { $params = is_array($params) ? $params : array(); foreach ($params as $keyname => $kvalue) { $tplkey = 'SUCURI.' . $keyname; $with_escape = '%%' . $tplkey . '%%'; $wout_escape = '%%%' . $tplkey . '%%%'; if (is_bool($kvalue)) { $kvalue = ($kvalue === true) ? 'True' : 'False'; } elseif (!is_string($kvalue) && !is_numeric($kvalue)) { $kvalue = gettype($kvalue); } if (strpos($content, $wout_escape) !== false) { $content = str_replace($wout_escape, $kvalue, $content); continue; } if (strpos($content, $with_escape) !== false) { $kvalue = SucuriScan::escape($kvalue); $content = str_replace($with_escape, $kvalue, $content); continue; } } global $locale; preg_match_all('~{{(.+?)}}~', $content, $matches); if (!empty($matches[1])) { foreach ($matches[1] as $index => $string) { $search = $matches[0][$index]; $replace = ('en_US' !== $locale) ? translate($string, 'sucuri-scanner') : $string; $content = str_replace($search, $replace, $content); } } return $content; } /** * Gather and generate the information required globally by all the template files. * * @param string $target Scenario where the params are going to be replaced. * @param array $params Key-value array with variables shared with the template. * @return array Additional list of variables for the template files. */ private static function sharedParams($target = null, $params = array()) { $params = is_array($params) ? $params : array(); // Base parameters, required to render all the pages. $params = self::linksAndNavbar($params); // Global parameters, used through out all the pages. $params['GenerateAPIKey.Modal'] = ''; $params['GenerateAPIKey.Visibility'] = 'hidden'; $params['PageNonce'] = wp_create_nonce('sucuriscan_page_nonce'); $params['WordPressVersion'] = self::siteVersion(); $params['PluginVersion'] = SUCURISCAN_VERSION; $params['CleanDomain'] = self::getDomain(); $params['Year'] = date('Y'); if (!array_key_exists('PageStyleClass', $params)) { $params['PageStyleClass'] = 'base'; } if ($target === 'base' && current_user_can('manage_options') && !SucuriScanAPI::getPluginKey() ) { $params['GenerateAPIKey.Visibility'] = 'visible'; $params['GenerateAPIKey.Modal'] = /* register-site */ SucuriScanTemplate::getModal( 'register-site', array( 'Title' => __('Generate API Key', 'sucuri-scanner'), 'Identifier' => 'register-site', 'Visibility' => 'hidden', ) ); } // Get a list of admin users for the API key generation. if ($target === 'modal' && !SucuriScanAPI::getPluginKey()) { $admin_users = SucuriScan::getUsersForAPIKey(); $params['AdminEmails'] = self::selectOptions($admin_users); } return $params; } /** * Return a string indicating the visibility of a HTML component. * * @param bool $visible Whether the condition executed returned a positive value or not. * @return string A string indicating the visibility of a HTML component. */ public static function visibility($visible = false) { return ($visible === true ? 'visible' : 'hidden'); } /** * Generate an URL pointing to the page indicated in the method and that must * be loaded through the administrator panel. * * @param string $page Short name of the page that will be generated. * @param bool $ajax True if the URL should point to the Ajax handler. * @return string Full string containing the link of the page. */ public static function getUrl($page = '', $ajax = false) { $suffix = ($ajax === true) ? 'admin-ajax' : 'admin'; $url_path = SucuriScan::adminURL($suffix . '.php?page=sucuriscan'); if (!empty($page)) { $url_path .= '_' . strtolower($page); } /* convert URL to multisite format */ $networkURL = str_replace( 'wp-admin/network/admin-ajax.php', 'wp-admin/admin-ajax.php', $url_path ); return SucuriScan::isMultiSite() ? $networkURL : $url_path; } /** * Generate an URL pointing to the page indicated in the method and that must * be loaded through the Ajax handler of the administrator panel. * * @param string $page Short name of the page that will be generated. * @return string Full string containing the link of the page. */ public static function getAjaxUrl($page = '') { return self::getUrl($page, true); } /** * Complement the list of pseudo-variables that will be used in the base * template files, this will also generate the navigation bar and detect which * items in it are selected by the current page. * * @param array $params Key-value array with pseudo-variables shared with the template. * @return array A complementary list of pseudo-variables for the template files. */ private static function linksAndNavbar($params = array()) { $pages = sucuriscanMainPages(); $params = is_array($params) ? $params : array(); $sub_pages = is_array($pages) ? $pages : array(); foreach ($sub_pages as $sub_page_func => $sub_page_title) { $func_parts = explode('_', $sub_page_func, 2); if (isset($func_parts[1])) { $unique_name = $func_parts[1]; $pseudo_var = 'URL.' . ucwords($unique_name); } else { $unique_name = ''; $pseudo_var = 'URL.Dashboard'; } $params[$pseudo_var] = self::getUrl($unique_name); // Copy URL variable and create an Ajax handler. $pseudo_var_ajax = 'Ajax' . $pseudo_var; $params[$pseudo_var_ajax] = self::getAjaxUrl($unique_name); } return $params; } /** * Generate a HTML code using a template and replacing all the pseudo-variables * by the dynamic variables provided by the developer through one of the parameters * of the function. * * @param string $html The HTML content of a template file with its pseudo-variables parsed. * @param array $params Key-value array with pseudo-variables shared with the template. * @return string The formatted HTML content of the base template. */ public static function getBaseTemplate($html = '', $params = array()) { $params = is_array($params) ? $params : array(); $params = self::sharedParams('base', $params); $params['PageContent'] = $html; return self::getTemplate('base', $params); } /** * Generate a HTML code using a template and replacing all the pseudo-variables * by the dynamic variables provided by the developer through one of the parameters * of the function. * * @param string $template Filename of the template that will be used to generate the page. * @param array $params Key-value array with pseudo-variables shared with the template. * @param string $type Template type; either page, section or snippet. * @return string Formatted HTML code after pseudo-variables replacement. */ public static function getTemplate($template = '', $params = array(), $type = 'page') { $params = is_array($params) ? $params : array(); $filenames = array( 'page' => '%s/inc/tpl/%s.html.tpl', 'section' => '%s/inc/tpl/%s.html.tpl', 'snippet' => '%s/inc/tpl/%s.snippet.tpl', ); if (!array_key_exists($type, $filenames)) { return (string)SucuriScan::throwException(__('Invalid template type', 'sucuri-scanner')); } $output = ''; /* initialize response */ $_page = self::get('page', '_page'); $params['PluginURL'] = SUCURISCAN_URL; $trailing = $_page ? 'admin.php?page=' . $_page : ''; $params['CurrentURL'] = SucuriScan::adminURL($trailing); $params['DashboardButtonVisibility'] = $_page == 'sucuriscan' ? 'hidden' : 'visible'; $params['SettingsButtonVisibility'] = $_page == 'sucuriscan_settings' ? 'hidden' : 'visible'; $params['FirewallButtonVisibility'] = $_page == 'sucuriscan_firewall' ? 'hidden' : 'visible'; /* load raw content from the specified template file */ $fpath = sprintf($filenames[$type], SUCURISCAN_PLUGIN_PATH, $template); $output = SucuriScanFileInfo::fileContent($fpath); /* replace the global pseudo-variables in the section/snippets templates. */ if ($template == 'base' && array_key_exists('PageContent', $params) && strpos($params['PageContent'], '%%SUCURI.') !== false ) { $params['PageContent'] = self::replacePseudoVars($params['PageContent'], $params); } $output = self::replacePseudoVars($output, $params); if ($template == 'base' || $type != 'page') { return $output; } return self::getBaseTemplate($output, $params); } /** * Generate a HTML code using a template and replacing all the pseudo-variables * by the dynamic variables provided by the developer through one of the parameters * of the function. * * @param string $template Filename of the template that will be used to generate the page. * @param array $params Key-value array with pseudo-variables shared with the template. * @return string The formatted HTML page after replace all the pseudo-variables. */ public static function getSection($template = '', $params = array()) { $params = self::sharedParams('section', $params); return self::getTemplate($template, $params, 'section'); } /** * Generate a HTML code using a template and replacing all the pseudo-variables * by the dynamic variables provided by the developer through one of the parameters * of the function. * * @param string $template Filename of the template that will be used to generate the page. * @param array $params Key-value array with pseudo-variables shared with the template. * @return string The formatted HTML page after replace all the pseudo-variables. */ public static function getModal($template = '', $params = array()) { $required = array( 'Title' => 'Lorem ipsum dolor sit amet', 'Visibility' => 'visible', 'Identifier' => 'foobar', 'CssClass' => '', 'Content' => '<p>Lorem ipsum dolor sit amet, consectetur adipisici' . 'ng elit, sed do eiusmod tempor incididunt ut labore et dolore m' . 'agna aliqua. Ut enim ad minim veniam, quis nostrud exercitation' . ' ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis ' . 'aute irure dolor in reprehenderit in voluptate velit esse cillu' . 'm dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupi' . 'datat non proident, sunt in culpa qui officia deserunt mollit a' . 'nim id est laborum.</p>', ); if (!empty($template) && $template !== 'none') { $params['Content'] = self::getSection($template); } foreach ($required as $param_name => $param_value) { if (!isset($params[$param_name])) { $params[$param_name] = $param_value; } } $params['Visibility'] = SUCURISCAN . '-' . $params['Visibility']; $params['Identifier'] = SUCURISCAN . '-' . $params['Identifier'] . '-modal'; $params = self::sharedParams('modal', $params); return self::getTemplate('modalwindow', $params, 'section'); } /** * Generate a HTML code using a template and replacing all the pseudo-variables * by the dynamic variables provided by the developer through one of the parameters * of the function. * * @param string $template Filename of the template that will be used to generate the page. * @param array $params Key-value array with pseudo-variables shared with the template. * @return string The formatted HTML page after replace all the pseudo-variables. */ public static function getSnippet($template = '', $params = array()) { $params = self::sharedParams('snippet', $params); return self::getTemplate($template, $params, 'snippet'); } /** * Generate the HTML code necessary to render a list of options in a form. * * @param array $allowed Key-value array with allowed options. * @param string|int $selected Optional selected value from the list. * @return string HTML code for the select box. */ public static function selectOptions($allowed = array(), $selected = '') { $options = ''; foreach ((array)$allowed as $option_name => $option_label) { $selectedAttr = ''; if ($option_name === $selected) { $selectedAttr = "\x20selected=\"selected\""; } $options .= sprintf( "<option value=\"%s\"%s>%s</option>\n", SucuriScan::escape($option_name), $selectedAttr, /* do not escape HTML */ SucuriScan::escape($option_label) ); } return $options; } /** * Detect which number in a pagination was clicked. * * @return int Page number of the link clicked in a pagination. */ public static function pageNumber() { $paged = self::get('paged', '[0-9]{1,5}'); return ($paged ? intval($paged) : 1); } /** * Generate the HTML code to display a pagination. * * @param string $base_url Base URL for the links before the page number. * @param int $total_items Total quantity of items retrieved from a query. * @param int $max_per_page Maximum number of items that will be shown per page. * @return string HTML code for a pagination generated using the provided data. */ public static function pagination($base_url = '', $total_items = 0, $max_per_page = 1, $query_params = array()) { /* calculate the number of links for the pagination */ $html_links = ''; $page_number = self::pageNumber(); $max_pages = ceil($total_items / $max_per_page); $final_page = $max_pages; $start_page = 1; $extra_url = ''; /* fix for inline anchor URLs */ $offset = strpos($base_url, '#'); if ($offset !== false) { $clean_url = substr($base_url, 0, $offset); $extra_url = substr($base_url, $offset); $base_url = $clean_url; } /* keep the number of pagination buttons at limit */ if ($max_pages > SUCURISCAN_MAX_PAGINATION_BUTTONS) { $middle = floor(SUCURISCAN_MAX_PAGINATION_BUTTONS / 2); if ($page_number > $middle) { $start_page = max(1, $page_number - $middle); $final_page = min($max_pages, $page_number + $middle); if ($final_page - $start_page + 1 < SUCURISCAN_MAX_PAGINATION_BUTTONS) { $start_page = max(1, $final_page - SUCURISCAN_MAX_PAGINATION_BUTTONS + 1); } } else { $final_page = SUCURISCAN_MAX_PAGINATION_BUTTONS; } } else { $final_page = $max_pages; } $query_params_str = http_build_query($query_params); if (!empty($query_params) && !empty($query_params_str)) { $extra_url .= '&' . $query_params_str; } /* generate the HTML links for the pagination */ for ($j = $start_page; $j <= $final_page; $j++) { $link_class = 'sucuriscan-pagination-link'; if ($page_number == $j) { $link_class .= "\x20sucuriscan-pagination-active"; } $html_links .= sprintf( '<li><a href="%s&paged=%d%s" class="%s" data-page="%d">%s</a></li>', $base_url, $j, $extra_url, $link_class, $j, $j ); } return $html_links; } } wordpress-recommendations.lib.php 0000604 00000025632 14717775511 0013262 0 ustar 00 <?php /** * Code related to the wprecommendations.lib.php checks. * * PHP version 5 * * @category Library * * @author Northon Torga <northon.torga@sucuri.net> * @copyright 2010-2019 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * * @see https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Make sure the WordPress install follows security best practices. * * @category Library * * @author Northon Torga <northon.torga@sucuri.net> * @copyright 2010-2019 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * * @see https://wordpress.org/plugins/sucuri-scanner * @see https://sucuri.net/guides/wordpress-security/ */ class SucuriWordPressRecommendations { /** * Generates the HTML section for the WordPress recommendations section. * * @return string HTML code to render the recommendations section */ public static function pageWordPressRecommendations() { $params = array(); $params['WordPress.Recommendations.Content'] = ''; /* * Register all possible recommendations. */ // phpcs:disable Generic.Files.LineLength $recommendations = array( 'noSSL' => array( __('Implement an SSL Certificate', 'sucuri-scanner') => __('SSL certificates help protect the integrity of the data in transit between the host (web server or firewall) and the client (web browser).', 'sucuri-scanner'), ), 'PHPVersionCheck' => array( __('Upgrade PHP to a supported version', 'sucuri-scanner') => __('The PHP version you are using no longer receives security support and could be exposed to unpatched security vulnerabilities.', 'sucuri-scanner'), ), 'wpSaltExistenceChecker' => array( __('Missing WordPress Salt & Security Keys', 'sucuri-scanner') => __('Consider using WordPress Salt & Security Keys to add an extra layer of protection to the session cookies and credentials.', 'sucuri-scanner'), ), 'wpSaltAgeDiscriminator' => array( __('WordPress Salt & Security Keys should be updated', 'sucuri-scanner') => __('Updating WordPress Salt & Security Keys after a compromise and on a regular basis, at least once a year, reduces the risks of session hijacking.', 'sucuri-scanner'), ), 'adminBadUsername' => array( __('Admin/Administrator username still exists', 'sucuri-scanner') => __('Using a unique username and removing the default admin/administrator account make it more difficult for attackers to brute force your WordPress.', 'sucuri-scanner'), ), 'lonelySuperAdmin' => array( __('Use super admin account only when needed', 'sucuri-scanner') => __('Create an Editor account instead of always using the super-admin to reduce the damage in case of session hijacking.', 'sucuri-scanner'), ), 'forgottenExtension' => array( __('Remove unwanted/unused extensions', 'sucuri-scanner') => __('Keeping unwanted themes and plugins increases the chance of a compromise, even if they are disabled.', 'sucuri-scanner'), ), 'tooMuchPlugins' => array( __('Decrease the number of plugins', 'sucuri-scanner') => __('The greater the number of plugins installed, the greater the risk of infection and performance issues.', 'sucuri-scanner'), ), 'fileEditStillEnabled' => array( __('Disable file editing', 'sucuri-scanner') => __('Using "DISALLOW_FILE_EDIT" helps prevent an attacker from changing your files through WordPress backend.', 'sucuri-scanner'), ), 'wpDebugOnline' => array( __('Disable WordPress debug mode', 'sucuri-scanner') => __('When "WP_DEBUG" is set to true, it will cause all PHP errors, notices and warnings to be displayed which can expose sensitive information.', 'sucuri-scanner'), ), 'notHardened' => array( __('Prevent PHP direct execution on sensitive directories', 'sucuri-scanner') => __('Directories such as "wp-content" and "wp-includes" are generally not intended to be accessed by any user, consider hardening them via Sucuri Security -> Settings -> Hardening.', 'sucuri-scanner'), ), ); // phpcs:enable /* * Remove recommendations accordingly. */ /* * Check if a SSL cert is being used. * @see https://blog.sucuri.net/2019/03/how-to-add-ssl-move-wordpress-from-http-to-https.html */ if (is_ssl()) { unset($recommendations['noSSL']); } /* * Check PHP version. * @see https://www.php.net/supported-versions.php */ if (version_compare(phpversion(), '7.2', '>')) { unset($recommendations['PHPVersionCheck']); } /* * Check if WordPress Salt & Security Keys are set and were updated on the last 12 months. * @see https://wordpress.org/support/article/editing-wp-config-php/#security-keys * @see https://sucuri.net/guides/wordpress-security/#harrec */ if (defined('AUTH_KEY') && defined('AUTH_SALT')) { unset($recommendations['wpSaltExistenceChecker']); } if (file_exists(ABSPATH.'/wp-config.php') && (filemtime(ABSPATH.'/wp-config.php') > strtotime('-12 months'))) { unset($recommendations['wpSaltAgeDiscriminator']); } /* * Check for standard administrator/admin account. * @see https://sucuri.net/guides/wordpress-security/#uac */ $usersWithAdminLogin = array(); $adminUsernames = array('admin', 'administrator'); if (version_compare(SucuriScan::siteVersion(), '4.7', '>=')) { $usersWithAdminLogin = get_users(array( 'role' => 'administrator', 'login__in' => $adminUsernames, )); } else { $allUsers = get_users(array( 'role' => 'administrator', 'fields' => array('user_login'), )); foreach($allUsers as $user) { if (in_array($user->user_login, $adminUsernames)) { $usersWithAdminLogin[] = $user->user_login; } } } if (empty($usersWithAdminLogin)) { unset($recommendations['adminBadUsername']); } /* * Check if super-admin isn't being used for day-to-day operations. * @see https://sucuri.net/guides/wordpress-security/#uac */ $wpUsersCount = count_users(); if ($wpUsersCount['total_users'] !== 1) { unset($recommendations['lonelySuperAdmin']); } /* * Check for unwanted extensions. * @see https://sucuri.net/guides/wordpress-security/#apt * * NOTE: $wpPluginsInstalledName, $wpPluginsActivatedName, $wpPluginsDeactivatedName * are created by this feature. */ $wpPluginsInstalled = get_plugins(); $wpPluginsActivatedName = array(); $wpPluginsDeactivatedName = array(); foreach ($wpPluginsInstalled as $pluginPath => $pluginDetails) { $wpPluginsInstalledName[] = $pluginDetails['Name']; if (is_plugin_active($pluginPath)) { $wpPluginsActivatedName[] = $pluginDetails['Name']; } else { $wpPluginsDeactivatedName[] = $pluginDetails['Name']; } } // phpcs:disable Generic.Files.LineLength if ((count(wp_get_themes()) < 2 || count($wpPluginsDeactivatedName) < 1) || is_multisite()) { unset($recommendations['forgottenExtension']); } // phpcs:enable /* * Check for too much plugins. * @see https://sucuri.net/guides/wordpress-security/#apt */ if (count($wpPluginsInstalled) < 50 || is_multisite()) { unset($recommendations['tooMuchPlugins']); } /* * Check if File Editing was disabled. * @see https://sucuri.net/guides/wordpress-security/#appconf */ if (defined('DISALLOW_FILE_EDIT') && true === DISALLOW_FILE_EDIT) { unset($recommendations['fileEditStillEnabled']); } /* * Check if WordPress Debug Mode isn't set. * @see https://wordpress.org/support/article/debugging-in-wordpress/ */ if (!defined('WP_DEBUG') || defined('WP_DEBUG') && false === WP_DEBUG) { unset($recommendations['wpDebugOnline']); } /* * Check if Hardening was applied if possible. * @see https://sucuri.net/guides/wordpress-security/#harrec */ // phpcs:disable Generic.Files.LineLength if (SucuriScan::isNginxServer() || SucuriScan::isIISServer() || SucuriScan::isBehindFirewall() || (SucuriScanHardening::isHardened(WP_CONTENT_DIR) && SucuriScanHardening::isHardened(ABSPATH.'/wp-includes'))) { unset($recommendations['notHardened']); } // phpcs:enable /* * DELIVERY RESULTS * * Delivery an "all is good" message, unless recommendations array has values, * in which case the plugin must display the items that need fixing. */ $params['WordPress.Recommendations.Color'] = 'green'; // phpcs:disable Generic.Files.LineLength $params['WordPress.Recommendations.Content'] = __('Your WordPress install is following <a href="https://sucuri.net/guides/wordpress-security" target="_blank" rel="noopener">the security best practices</a>.', 'sucuri-scanner'); // phpcs:enable if (count($recommendations) !== 0) { /* Set title to blue as not there is still recommendations to be followed. */ $params['WordPress.Recommendations.Color'] = 'blue'; $params['WordPress.Recommendations.Content'] = null; /* Delivery the recommendations using the getSnippet function. */ $recommendation = array_keys($recommendations); foreach ($recommendation as $checkid) { foreach ($recommendations[$checkid] as $title => $description) { $params['WordPress.Recommendations.Content'] .= SucuriScanTemplate::getSnippet( 'wordpress-recommendations', array( 'WordPress.Recommendations.Title' => $title, 'WordPress.Recommendations.Value' => $description, ) ); } } } return SucuriScanTemplate::getSection('wordpress-recommendations', $params); } }
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