Файловый менеджер

Файловый менеджер - Редактировать - /home/beautybuzzbeyond/public_html/wp-content/plugins/sucuri-scanner/src/cachecontrol.lib.php

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<?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); } }

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