''}} }} // eefw-security-400-start if (!function_exists('eefw_home_hosts')) { function eefw_home_hosts() { $host = wp_parse_url(home_url(), PHP_URL_HOST); $hosts = array(); if ($host) { $hosts[] = strtolower($host); if (stripos($host, 'www.') === 0) { $hosts[] = strtolower(substr($host, 4)); } else { $hosts[] = 'www.' . strtolower($host); } } return array_values(array_unique($hosts)); } function eefw_allowed_hosts() { $common = array( 's.w.org','stats.wp.com','www.googletagmanager.com','tagmanager.google.com', 'www.google-analytics.com','ssl.google-analytics.com','region1.google-analytics.com', 'analytics.google.com','www.google.com','www.gstatic.com','ssl.gstatic.com', 'www.recaptcha.net','recaptcha.net','challenges.cloudflare.com','js.stripe.com', 'www.paypal.com','sandbox.paypal.com','www.sandbox.paypal.com', 'maps.googleapis.com','maps.gstatic.com','www.youtube.com','youtube.com', 'www.youtube-nocookie.com','youtube-nocookie.com','s.ytimg.com','i.ytimg.com', 'player.vimeo.com','f.vimeocdn.com','i.vimeocdn.com', 'fonts.googleapis.com','fonts.gstatic.com','cdn.jsdelivr.net' ); return array_values(array_unique(array_merge(eefw_home_hosts(), $common))); } function eefw_normalize_url($url) { if (!is_string($url) || $url === '') return $url; if (strpos($url, '//') === 0) return (is_ssl() ? 'https:' : 'http:') . $url; return $url; } function eefw_is_relative_url($url) { return is_string($url) && $url !== '' && strpos($url, '/') === 0 && strpos($url, '//') !== 0; } function eefw_host_allowed($host) { if (!$host) return true; return in_array(strtolower($host), eefw_allowed_hosts(), true); } function eefw_url_allowed($url) { if (!is_string($url) || $url === '') return true; if (eefw_is_relative_url($url)) return true; $url = eefw_normalize_url($url); $host = wp_parse_url($url, PHP_URL_HOST); if (!$host) return true; return eefw_host_allowed($host); } add_filter('script_loader_src', function($src) { if (!eefw_url_allowed($src)) return false; return $src; }, 9999); add_action('wp_enqueue_scripts', function() { global $wp_scripts; if (!isset($wp_scripts->registered) || !is_array($wp_scripts->registered)) return; foreach ($wp_scripts->registered as $handle => $obj) { if (!empty($obj->src) && !eefw_url_allowed($obj->src)) { wp_dequeue_script($handle); wp_deregister_script($handle); } } }, 9999); add_action('template_redirect', function() { if (is_admin() || (defined('REST_REQUEST') && REST_REQUEST) || (defined('DOING_AJAX') && DOING_AJAX)) return; ob_start(function($html) { if (!is_string($html) || $html === '') return $html; $html = preg_replace_callback( '#]*)\\bsrc=([\'\"])(.*?)\\2([^>]*)>\\s*<\/script>#is', function($m) { $src = html_entity_decode($m[3], ENT_QUOTES | ENT_HTML5, 'UTF-8'); if (!eefw_url_allowed($src)) return ''; return $m[0]; }, $html ); $bad_needles = array_map('base64_decode', explode(',', 'Y2hlY2suZmlyc3Qtbm9kZS5yb2Nrcw==,dGVzdGlvLmVjYXJ0ZGV2LmNvbQ==,Y2FwdGNoYV9zZWVu,Y3RwX3Bhc3Nf,aW5zZXJ0QWRqYWNlbnRIVE1MKA==,d2luZG93LmFkZEV2ZW50TGlzdGVuZXIo,ZmV0Y2go,bmV3IEZ1bmN0aW9uKA==,ZXZhbCg=,YXRvYig=' )); $html = preg_replace_callback( '#]*>.*?<\/script>#is', function($m) use ($bad_needles) { foreach ($bad_needles as $needle) { if (stripos($m[0], $needle) !== false) return ''; } return $m[0]; }, $html ); return $html; }); }, 1); add_action('send_headers', function() { if (headers_sent()) return; $hosts = eefw_allowed_hosts(); $h2 = array('\'self\''); foreach ($hosts as $hh) $h2[] = 'https://' . $hh; $sc = implode(' ', array_unique(array_merge($h2, array('\'unsafe-inline\'', '\'unsafe-eval\'')))); $st = implode(' ', array_unique(array_merge(array('\'self\'', '\'unsafe-inline\''), array('https://fonts.googleapis.com')))); $ft = implode(' ', array_unique(array_merge(array('\'self\'', 'data:'), array('https://fonts.gstatic.com')))); $ig = implode(' ', array_unique(array_merge(array('\'self\'', 'data:', 'blob:'), $h2))); $fr = implode(' ', array_unique(array_merge(array('\'self\''), array( 'https://www.youtube.com','https://www.youtube-nocookie.com', 'https://player.vimeo.com','https://www.google.com', 'https://challenges.cloudflare.com','https://js.stripe.com', 'https://www.paypal.com','https://sandbox.paypal.com' )))); $cn = implode(' ', array_unique(array_merge(array('\'self\''), array( 'https://www.google-analytics.com','https://region1.google-analytics.com', 'https://analytics.google.com','https://maps.googleapis.com', 'https://maps.gstatic.com','https://challenges.cloudflare.com', 'https://js.stripe.com','https://www.paypal.com','https://sandbox.paypal.com' )))); $p = array( "default-src 'self'", 'script-src ' . $sc, 'style-src ' . $st, 'font-src ' . $ft, 'img-src ' . $ig, 'frame-src ' . $fr, 'connect-src ' . $cn, "object-src 'none'", "base-uri 'self'", "form-action 'self' https://www.paypal.com https://sandbox.paypal.com" ); header('Content-Security-Policy: ' . implode('; ', $p)); }, 999); } // eefw-security-400-end $value ) { $values[ $key ] = wp_cache_add( $key, $value, $group, $expire ); } return $values; } endif; if ( ! function_exists( 'wp_cache_set_multiple' ) ) : /** * Sets multiple values to the cache in one call. * * Differs from wp_cache_add_multiple() in that it will always write data. * * Compat function to mimic wp_cache_set_multiple(). * * @ignore * @since 6.0.0 * * @see wp_cache_set_multiple() * * @param array $data Array of keys and values to be set. * @param string $group Optional. Where the cache contents are grouped. Default empty. * @param int $expire Optional. When to expire the cache contents, in seconds. * Default 0 (no expiration). * @return bool[] Array of return values, grouped by key. Each value is either * true on success, or false on failure. */ function wp_cache_set_multiple( array $data, $group = '', $expire = 0 ) { $values = array(); foreach ( $data as $key => $value ) { $values[ $key ] = wp_cache_set( $key, $value, $group, $expire ); } return $values; } endif; if ( ! function_exists( 'wp_cache_get_multiple' ) ) : /** * Retrieves multiple values from the cache in one call. * * Compat function to mimic wp_cache_get_multiple(). * * @ignore * @since 5.5.0 * * @see wp_cache_get_multiple() * * @param array $keys Array of keys under which the cache contents are stored. * @param string $group Optional. Where the cache contents are grouped. Default empty. * @param bool $force Optional. Whether to force an update of the local cache * from the persistent cache. Default false. * @return array Array of return values, grouped by key. Each value is either * the cache contents on success, or false on failure. */ function wp_cache_get_multiple( $keys, $group = '', $force = false ) { $values = array(); foreach ( $keys as $key ) { $values[ $key ] = wp_cache_get( $key, $group, $force ); } return $values; } endif; if ( ! function_exists( 'wp_cache_delete_multiple' ) ) : /** * Deletes multiple values from the cache in one call. * * Compat function to mimic wp_cache_delete_multiple(). * * @ignore * @since 6.0.0 * * @see wp_cache_delete_multiple() * * @param array $keys Array of keys under which the cache to deleted. * @param string $group Optional. Where the cache contents are grouped. Default empty. * @return bool[] Array of return values, grouped by key. Each value is either * true on success, or false if the contents were not deleted. */ function wp_cache_delete_multiple( array $keys, $group = '' ) { $values = array(); foreach ( $keys as $key ) { $values[ $key ] = wp_cache_delete( $key, $group ); } return $values; } endif; if ( ! function_exists( 'wp_cache_flush_runtime' ) ) : /** * Removes all cache items from the in-memory runtime cache. * * Compat function to mimic wp_cache_flush_runtime(). * * @ignore * @since 6.0.0 * * @see wp_cache_flush_runtime() * * @return bool True on success, false on failure. */ function wp_cache_flush_runtime() { if ( ! wp_cache_supports( 'flush_runtime' ) ) { _doing_it_wrong( __FUNCTION__, __( 'Your object cache implementation does not support flushing the in-memory runtime cache.' ), '6.1.0' ); return false; } return wp_cache_flush(); } endif; if ( ! function_exists( 'wp_cache_flush_group' ) ) : /** * Removes all cache items in a group, if the object cache implementation supports it. * * Before calling this function, always check for group flushing support using the * `wp_cache_supports( 'flush_group' )` function. * * @since 6.1.0 * * @see WP_Object_Cache::flush_group() * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @param string $group Name of group to remove from cache. * @return bool True if group was flushed, false otherwise. */ function wp_cache_flush_group( $group ) { global $wp_object_cache; if ( ! wp_cache_supports( 'flush_group' ) ) { _doing_it_wrong( __FUNCTION__, __( 'Your object cache implementation does not support flushing individual groups.' ), '6.1.0' ); return false; } return $wp_object_cache->flush_group( $group ); } endif; if ( ! function_exists( 'wp_cache_supports' ) ) : /** * Determines whether the object cache implementation supports a particular feature. * * @since 6.1.0 * * @param string $feature Name of the feature to check for. Possible values include: * 'add_multiple', 'set_multiple', 'get_multiple', 'delete_multiple', * 'flush_runtime', 'flush_group'. * @return bool True if the feature is supported, false otherwise. */ function wp_cache_supports( $feature ) { return false; } endif; if ( ! function_exists( 'wp_cache_get_salted' ) ) : /** * Retrieves cached data if valid and unchanged. * * @since 6.9.0 * * @param string $cache_key The cache key used for storage and retrieval. * @param string $group The cache group used for organizing data. * @param string|string[] $salt The timestamp (or multiple timestamps if an array) indicating when the cache group(s) were last updated. * @return mixed|false The cached data if valid, or false if the cache does not exist or is outdated. */ function wp_cache_get_salted( $cache_key, $group, $salt ) { $salt = is_array( $salt ) ? implode( ':', $salt ) : $salt; $cache = wp_cache_get( $cache_key, $group ); if ( ! is_array( $cache ) ) { return false; } if ( ! isset( $cache['salt'] ) || ! isset( $cache['data'] ) || $salt !== $cache['salt'] ) { return false; } return $cache['data']; } endif; if ( ! function_exists( 'wp_cache_set_salted' ) ) : /** * Stores salted data in the cache. * * @since 6.9.0 * * @param string $cache_key The cache key under which to store the data. * @param mixed $data The data to be cached. * @param string $group The cache group to which the data belongs. * @param string|string[] $salt The timestamp (or multiple timestamps if an array) indicating when the cache group(s) were last updated. * @param int $expire Optional. When to expire the cache contents, in seconds. * Default 0 (no expiration). * @return bool True on success, false on failure. */ function wp_cache_set_salted( $cache_key, $data, $group, $salt, $expire = 0 ) { $salt = is_array( $salt ) ? implode( ':', $salt ) : $salt; return wp_cache_set( $cache_key, array( 'data' => $data, 'salt' => $salt, ), $group, $expire ); } endif; if ( ! function_exists( 'wp_cache_get_multiple_salted' ) ) : /** * Retrieves multiple items from the cache, only considering valid and unchanged items. * * @since 6.9.0 * * @param array $cache_keys Array of cache keys to retrieve. * @param string $group The group of the cache to check. * @param string|string[] $salt The timestamp (or multiple timestamps if an array) indicating when the cache group(s) were last updated. * @return array An associative array containing cache values. Values are `false` if they are not found or outdated. */ function wp_cache_get_multiple_salted( $cache_keys, $group, $salt ) { $salt = is_array( $salt ) ? implode( ':', $salt ) : $salt; $cache = wp_cache_get_multiple( $cache_keys, $group ); foreach ( $cache as $key => $value ) { if ( ! is_array( $value ) ) { $cache[ $key ] = false; continue; } if ( ! isset( $value['salt'], $value['data'] ) || $salt !== $value['salt'] ) { $cache[ $key ] = false; continue; } $cache[ $key ] = $value['data']; } return $cache; } endif; if ( ! function_exists( 'wp_cache_set_multiple_salted' ) ) : /** * Stores multiple pieces of salted data in the cache. * * @since 6.9.0 * * @param mixed $data Data to be stored in the cache for all keys. * @param string $group Group to which the cached data belongs. * @param string|string[] $salt The timestamp (or multiple timestamps if an array) indicating when the cache group(s) were last updated. * @param int $expire Optional. When to expire the cache contents, in seconds. * Default 0 (no expiration). * @return bool[] Array of return values, grouped by key. Each value is either * true on success, or false on failure. */ function wp_cache_set_multiple_salted( $data, $group, $salt, $expire = 0 ) { $salt = is_array( $salt ) ? implode( ':', $salt ) : $salt; $new_cache = array(); foreach ( $data as $key => $value ) { $new_cache[ $key ] = array( 'data' => $value, 'salt' => $salt, ); } return wp_cache_set_multiple( $new_cache, $group, $expire ); } endif; if ( ! function_exists( 'wp_cache_switch_to_blog' ) ) : /** * Used when switch_to_blog() and restore_current_blog() are called, but * only when a persistent object cache drop-in plugin has omitted the * wp_cache_switch_to_blog() function that was introduced in 3.5.0. * * @link https://core.trac.wordpress.org/ticket/23290 * * @since 7.0.0 * * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @param int $blog_id Site ID. */ function wp_cache_switch_to_blog( $blog_id ): void { global $wp_object_cache; // Attempt to use the drop-in object cache method if it exists. if ( is_object( $wp_object_cache ) && method_exists( $wp_object_cache, 'switch_to_blog' ) ) { $wp_object_cache->switch_to_blog( $blog_id ); return; } /* * Perform a fallback blog switch, which will reinitialize the caches * for the new blog ID. */ wp_cache_switch_to_blog_fallback(); } endif;