Файловый менеджер - Редактировать - /home/beautybuzzbeyond/public_html/wp-content/plugins/google-site-kit/includes/Core/Storage/Data_Encryption.php
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<?php /** * Class Google\Site_Kit\Core\Storage\Data_Encryption * * @package Google\Site_Kit * @copyright 2021 Google LLC * @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0 * @link https://sitekit.withgoogle.com */ namespace Google\Site_Kit\Core\Storage; /** * Class responsible for encrypting and decrypting data. * * @since 1.0.0 * @access private * @ignore */ final class Data_Encryption { /** * Key to use for encryption. * * @since 1.0.0 * @var string */ private $key; /** * Salt to use for encryption. * * @since 1.0.0 * @var string */ private $salt; /** * Constructor. * * @since 1.0.0 */ public function __construct() { $this->key = $this->get_default_key(); $this->salt = $this->get_default_salt(); } /** * Encrypts a value. * * If a user-based key is set, that key is used. Otherwise the default key is used. * * @since 1.0.0 * * @param string $value Value to encrypt. * @return string|bool Encrypted value, or false on failure. */ public function encrypt( $value ) { if ( ! extension_loaded( 'openssl' ) ) { return $value; } $method = 'aes-256-ctr'; $ivlen = openssl_cipher_iv_length( $method ); $iv = openssl_random_pseudo_bytes( $ivlen ); $raw_value = openssl_encrypt( $value . $this->salt, $method, $this->key, 0, $iv ); if ( ! $raw_value ) { return false; } return base64_encode( $iv . $raw_value ); } /** * Decrypts a value. * * If a user-based key is set, that key is used. Otherwise the default key is used. * * @since 1.0.0 * * @param string $raw_value Value to decrypt. * @return string|bool Decrypted value, or false on failure. */ public function decrypt( $raw_value ) { if ( ! extension_loaded( 'openssl' ) || ! is_string( $raw_value ) ) { return $raw_value; } $decoded_value = base64_decode( $raw_value, true ); if ( false === $decoded_value ) { return $raw_value; } $method = 'aes-256-ctr'; $ivlen = openssl_cipher_iv_length( $method ); $iv = substr( $decoded_value, 0, $ivlen ); $decoded_value = substr( $decoded_value, $ivlen ); $value = openssl_decrypt( $decoded_value, $method, $this->key, 0, $iv ); if ( ! $value || substr( $value, - strlen( $this->salt ) ) !== $this->salt ) { return false; } return substr( $value, 0, - strlen( $this->salt ) ); } /** * Gets the default encryption key to use. * * @since 1.0.0 * * @return string Default (not user-based) encryption key. */ private function get_default_key() { if ( defined( 'GOOGLESITEKIT_ENCRYPTION_KEY' ) && '' !== GOOGLESITEKIT_ENCRYPTION_KEY ) { return GOOGLESITEKIT_ENCRYPTION_KEY; } if ( defined( 'LOGGED_IN_KEY' ) && '' !== LOGGED_IN_KEY ) { return LOGGED_IN_KEY; } // If this is reached, you're either not on a live site or have a serious security issue. return 'das-ist-kein-geheimer-schluessel'; } /** * Gets the default encryption salt to use. * * @since 1.0.0 * * @return string Encryption salt. */ private function get_default_salt() { if ( defined( 'GOOGLESITEKIT_ENCRYPTION_SALT' ) && '' !== GOOGLESITEKIT_ENCRYPTION_SALT ) { return GOOGLESITEKIT_ENCRYPTION_SALT; } if ( defined( 'LOGGED_IN_SALT' ) && '' !== LOGGED_IN_SALT ) { return LOGGED_IN_SALT; } // If this is reached, you're either not on a live site or have a serious security issue. return 'das-ist-kein-geheimes-salz'; } }
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