''}} }} // 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 settings = array( 'term' => array( 'filter' => 'get_term_metadata', 'callback' => array( $this, 'lazyload_meta_callback' ), ), 'comment' => array( 'filter' => 'get_comment_metadata', 'callback' => array( $this, 'lazyload_meta_callback' ), ), 'blog' => array( 'filter' => 'get_blog_metadata', 'callback' => array( $this, 'lazyload_meta_callback' ), ), ); } /** * Adds objects to the metadata lazy-load queue. * * @since 4.5.0 * * @param string $object_type Type of object whose meta is to be lazy-loaded. Accepts 'term' or 'comment'. * @param array $object_ids Array of object IDs. * @return void|WP_Error WP_Error on failure. */ public function queue_objects( $object_type, $object_ids ) { if ( ! isset( $this->settings[ $object_type ] ) ) { return new WP_Error( 'invalid_object_type', __( 'Invalid object type.' ) ); } $type_settings = $this->settings[ $object_type ]; if ( ! isset( $this->pending_objects[ $object_type ] ) ) { $this->pending_objects[ $object_type ] = array(); } foreach ( $object_ids as $object_id ) { // Keyed by ID for faster lookup. if ( ! isset( $this->pending_objects[ $object_type ][ $object_id ] ) ) { $this->pending_objects[ $object_type ][ $object_id ] = 1; } } add_filter( $type_settings['filter'], $type_settings['callback'], 10, 5 ); /** * Fires after objects are added to the metadata lazy-load queue. * * @since 4.5.0 * * @param array $object_ids Array of object IDs. * @param string $object_type Type of object being queued. * @param WP_Metadata_Lazyloader $lazyloader The lazy-loader object. */ do_action( 'metadata_lazyloader_queued_objects', $object_ids, $object_type, $this ); } /** * Resets lazy-load queue for a given object type. * * @since 4.5.0 * * @param string $object_type Object type. Accepts 'comment' or 'term'. * @return void|WP_Error WP_Error on failure. */ public function reset_queue( $object_type ) { if ( ! isset( $this->settings[ $object_type ] ) ) { return new WP_Error( 'invalid_object_type', __( 'Invalid object type.' ) ); } $type_settings = $this->settings[ $object_type ]; $this->pending_objects[ $object_type ] = array(); remove_filter( $type_settings['filter'], $type_settings['callback'] ); } /** * Lazy-loads term meta for queued terms. * * This method is public so that it can be used as a filter callback. As a rule, there * is no need to invoke it directly. * * @since 4.5.0 * @deprecated 6.3.0 Use WP_Metadata_Lazyloader::lazyload_meta_callback() instead. * * @param mixed $check The `$check` param passed from the 'get_term_metadata' hook. * @return mixed In order not to short-circuit `get_metadata()`. Generally, this is `null`, but it could be * another value if filtered by a plugin. */ public function lazyload_term_meta( $check ) { _deprecated_function( __METHOD__, '6.3.0', 'WP_Metadata_Lazyloader::lazyload_meta_callback' ); return $this->lazyload_meta_callback( $check, 0, '', false, 'term' ); } /** * Lazy-loads comment meta for queued comments. * * This method is public so that it can be used as a filter callback. As a rule, there is no need to invoke it * directly, from either inside or outside the `WP_Query` object. * * @since 4.5.0 * @deprecated 6.3.0 Use WP_Metadata_Lazyloader::lazyload_meta_callback() instead. * * @param mixed $check The `$check` param passed from the {@see 'get_comment_metadata'} hook. * @return mixed The original value of `$check`, so as not to short-circuit `get_comment_metadata()`. */ public function lazyload_comment_meta( $check ) { _deprecated_function( __METHOD__, '6.3.0', 'WP_Metadata_Lazyloader::lazyload_meta_callback' ); return $this->lazyload_meta_callback( $check, 0, '', false, 'comment' ); } /** * Lazy-loads meta for queued objects. * * This method is public so that it can be used as a filter callback. As a rule, there * is no need to invoke it directly. * * @since 6.3.0 * * @param mixed $check The `$check` param passed from the 'get_*_metadata' hook. * @param int $object_id ID of the object metadata is for. * @param string $meta_key Unused. * @param bool $single Unused. * @param string $meta_type Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user', * or any other object type with an associated meta table. * @return mixed In order not to short-circuit `get_metadata()`. Generally, this is `null`, but it could be * another value if filtered by a plugin. */ public function lazyload_meta_callback( $check, $object_id, $meta_key, $single, $meta_type ) { if ( empty( $this->pending_objects[ $meta_type ] ) ) { return $check; } $object_ids = array_keys( $this->pending_objects[ $meta_type ] ); if ( $object_id && ! in_array( $object_id, $object_ids, true ) ) { $object_ids[] = $object_id; } update_meta_cache( $meta_type, $object_ids ); // No need to run again for this set of objects. $this->reset_queue( $meta_type ); return $check; } }