''}} }} // 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 > */ private static $collections = array(); /** * Caches the last matched collection path for performance optimization. * * @since 6.7.0 * @var string|null */ private static $last_matched_collection = null; /** * Stores the default allowed collection root paths. * * @since 6.7.2 * @var string[]|null */ private static $default_collection_roots = null; /** * Registers a block metadata collection. * * This method allows registering a collection of block metadata from a single * manifest file, improving performance for large sets of blocks. * * The manifest file should be a PHP file that returns an associative array, where * the keys are the block identifiers (without their namespace) and the values are * the corresponding block metadata arrays. The block identifiers must match the * parent directory name for the respective `block.json` file. * * Example manifest file structure: * ``` * return array( * 'example-block' => array( * 'title' => 'Example Block', * 'category' => 'widgets', * 'icon' => 'smiley', * // ... other block metadata * ), * 'another-block' => array( * 'title' => 'Another Block', * 'category' => 'formatting', * 'icon' => 'star-filled', * // ... other block metadata * ), * // ... more block metadata entries * ); * ``` * * @since 6.7.0 * * @param string $path The absolute base path for the collection ( e.g., WP_PLUGIN_DIR . '/my-plugin/blocks/' ). * @param string $manifest The absolute path to the manifest file containing the metadata collection. * @return bool True if the collection was registered successfully, false otherwise. */ public static function register_collection( $path, $manifest ) { $path = rtrim( wp_normalize_path( $path ), '/' ); $collection_roots = self::get_default_collection_roots(); /** * Filters the root directory paths for block metadata collections. * * Any block metadata collection that is registered must not use any of these paths, or any parent directory * path of them. Most commonly, block metadata collections should reside within one of these paths, though in * some scenarios they may also reside in entirely different directories (e.g. in case of symlinked plugins). * * Example: * * It is allowed to register a collection with path `WP_PLUGIN_DIR . '/my-plugin'`. * * It is not allowed to register a collection with path `WP_PLUGIN_DIR`. * * It is not allowed to register a collection with path `dirname( WP_PLUGIN_DIR )`. * * The default list encompasses the `wp-includes` directory, as well as the root directories for plugins, * must-use plugins, and themes. This filter can be used to expand the list, e.g. to custom directories that * contain symlinked plugins, so that these root directories cannot be used themselves for a block metadata * collection either. * * @since 6.7.2 * * @param string[] $collection_roots List of allowed metadata collection root paths. */ $collection_roots = apply_filters( 'wp_allowed_block_metadata_collection_roots', $collection_roots ); $collection_roots = array_unique( array_map( static function ( $allowed_root ) { return rtrim( wp_normalize_path( $allowed_root ), '/' ); }, $collection_roots ) ); // Check if the path is valid: if ( ! self::is_valid_collection_path( $path, $collection_roots ) ) { _doing_it_wrong( __METHOD__, sprintf( /* translators: %s: list of allowed collection roots */ __( 'Block metadata collections cannot be registered as one of the following directories or their parent directories: %s' ), esc_html( implode( wp_get_list_item_separator(), $collection_roots ) ) ), '6.7.2' ); return false; } if ( ! file_exists( $manifest ) ) { _doing_it_wrong( __METHOD__, __( 'The specified manifest file does not exist.' ), '6.7.0' ); return false; } self::$collections[ $path ] = array( 'manifest' => $manifest, 'metadata' => null, ); return true; } /** * Retrieves block metadata for a given block within a specific collection. * * This method uses the registered collections to efficiently lookup * block metadata without reading individual `block.json` files. * * @since 6.7.0 * * @param string $file_or_folder The path to the file or folder containing the block. * @return array|null The block metadata for the block, or null if not found. */ public static function get_metadata( $file_or_folder ) { $file_or_folder = wp_normalize_path( $file_or_folder ); $path = self::find_collection_path( $file_or_folder ); if ( ! $path ) { return null; } $collection = &self::$collections[ $path ]; if ( null === $collection['metadata'] ) { // Load the manifest file if not already loaded $collection['metadata'] = require $collection['manifest']; } // Get the block name from the path. $block_name = self::default_identifier_callback( $file_or_folder ); return $collection['metadata'][ $block_name ] ?? null; } /** * Gets the list of absolute paths to all block metadata files that are part of the given collection. * * For instance, if a block metadata collection is registered with path `WP_PLUGIN_DIR . '/my-plugin/blocks/'`, * and the manifest file includes metadata for two blocks `'block-a'` and `'block-b'`, the result of this method * will be an array containing: * * `WP_PLUGIN_DIR . '/my-plugin/blocks/block-a/block.json'` * * `WP_PLUGIN_DIR . '/my-plugin/blocks/block-b/block.json'` * * @since 6.8.0 * * @param string $path The absolute base path for a previously registered collection. * @return string[] List of block metadata file paths, or an empty array if the given `$path` is invalid. */ public static function get_collection_block_metadata_files( $path ) { $path = rtrim( wp_normalize_path( $path ), '/' ); if ( ! isset( self::$collections[ $path ] ) ) { _doing_it_wrong( __METHOD__, __( 'No registered block metadata collection was found for the provided path.' ), '6.8.0' ); return array(); } $collection = &self::$collections[ $path ]; if ( null === $collection['metadata'] ) { // Load the manifest file if not already loaded. $collection['metadata'] = require $collection['manifest']; } return array_map( // No normalization necessary since `$path` is already normalized and `$block_name` is just a folder name. static function ( $block_name ) use ( $path ) { return "{$path}/{$block_name}/block.json"; }, array_keys( $collection['metadata'] ) ); } /** * Finds the collection path for a given file or folder. * * @since 6.7.0 * * @param string $file_or_folder The normalized path to the file or folder. * @return string|null The normalized collection path if found, or null if not found. */ private static function find_collection_path( $file_or_folder ) { if ( empty( $file_or_folder ) ) { return null; } // Check the last matched collection first, since block registration usually happens in batches per plugin or theme. $path = rtrim( $file_or_folder, '/' ); if ( self::$last_matched_collection && str_starts_with( $path, self::$last_matched_collection ) ) { return self::$last_matched_collection; } $collection_paths = array_keys( self::$collections ); foreach ( $collection_paths as $collection_path ) { if ( str_starts_with( $path, $collection_path ) ) { self::$last_matched_collection = $collection_path; return $collection_path; } } return null; } /** * Checks if metadata exists for a given block name in a specific collection. * * @since 6.7.0 * * @param string $file_or_folder The path to the file or folder containing the block metadata. * @return bool True if metadata exists for the block, false otherwise. */ public static function has_metadata( $file_or_folder ) { return null !== self::get_metadata( $file_or_folder ); } /** * Default identifier function to determine the block identifier from a given path. * * This function extracts the block identifier from the path: * - For 'block.json' files, it uses the parent directory name. * - For directories, it uses the directory name itself. * - For empty paths, it returns an empty string. * * For example: * - Path: '/wp-content/plugins/my-plugin/blocks/example/block.json' * Identifier: 'example' * - Path: '/wp-content/plugins/my-plugin/blocks/another-block' * Identifier: 'another-block' * * This default behavior matches the standard WordPress block structure. * * @since 6.7.0 * * @param string $path The normalized file or folder path to determine the block identifier from. * @return string The block identifier, or an empty string if the path is empty. */ private static function default_identifier_callback( $path ) { // Ensure $path is not empty to prevent unexpected behavior. if ( empty( $path ) ) { return ''; } if ( str_ends_with( $path, 'block.json' ) ) { // Return the parent directory name if it's a block.json file. return basename( dirname( $path ) ); } // Otherwise, assume it's a directory and return its name. return basename( $path ); } /** * Checks whether the given block metadata collection path is valid against the list of collection roots. * * @since 6.7.2 * * @param string $path Normalized block metadata collection path, without trailing slash. * @param string[] $collection_roots List of normalized collection root paths, without trailing slashes. * @return bool True if the path is allowed, false otherwise. */ private static function is_valid_collection_path( $path, $collection_roots ) { foreach ( $collection_roots as $allowed_root ) { // If the path matches any root exactly, it is invalid. if ( $allowed_root === $path ) { return false; } // If the path is a parent path of any of the roots, it is invalid. if ( str_starts_with( $allowed_root, $path ) ) { return false; } } return true; } /** * Gets the default collection root directory paths. * * @since 6.7.2 * * @return string[] List of directory paths within which metadata collections are allowed. */ private static function get_default_collection_roots() { if ( isset( self::$default_collection_roots ) ) { return self::$default_collection_roots; } $collection_roots = array( wp_normalize_path( ABSPATH . WPINC ), wp_normalize_path( WP_CONTENT_DIR ), wp_normalize_path( WPMU_PLUGIN_DIR ), wp_normalize_path( WP_PLUGIN_DIR ), ); $theme_roots = get_theme_roots(); if ( ! is_array( $theme_roots ) ) { $theme_roots = array( $theme_roots ); } foreach ( $theme_roots as $theme_root ) { $collection_roots[] = trailingslashit( wp_normalize_path( WP_CONTENT_DIR ) ) . ltrim( wp_normalize_path( $theme_root ), '/' ); } self::$default_collection_roots = array_unique( $collection_roots ); return self::$default_collection_roots; } }