Server : Apache System : Linux pod-100823:apache2_74:v0.5.7 5.4.0-1138-gcp #147~18.04.1-Ubuntu SMP Mon Oct 7 21:46:26 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33.7 Disable Function : apache_child_terminate,apache_get_modules,apache_get_version,apache_getenv,apache_note,apache_setenv,disk_free_space,disk_total_space,diskfreespace,dl,exec,fastcgi_finish_request,link,opcache_compile_file,opcache_get_configuration,opcache_invalidate,opcache_is_script_cached,opcache_reset,passthru,pclose,pcntl_exec,popen,posix_getpid,posix_getppid,posix_getpwuid,posix_kill,posix_mkfifo,posix_setegid,posix_seteuid,posix_setgid,posix_setpgid,posix_setsid,posix_setuid,posix_uname,proc_close,proc_get_status,proc_nice,proc_open,proc_terminate,realpath_cache_get,shell_exec,show_source,symlink,system Directory : /nas/content/live/attorneyexperi/wp-content/plugins/wp-rocket/inc/Addon/WebP/ |
<?php declare(strict_types=1); namespace WP_Rocket\Addon\WebP; use WP_Rocket\Admin\Options; use WP_Rocket\Admin\Options_Data; use WP_Rocket\Event_Management\Subscriber_Interface; use WP_Rocket\Engine\CDN\Subscriber as CDNSubscriber; /** * Subscriber for the WebP support. * * @since 3.4 */ class Subscriber extends AbstractWebp implements Subscriber_Interface { /** * Options_Data instance. * * @var Options_Data */ private $options_data; /** * Options instance. * * @var Options */ private $options_api; /** * Values of $_SERVER to use for some tests. * * @var array */ private $server; /** * \WP_Filesystem_Direct instance. * * @var \WP_Filesystem_Direct */ private $filesystem; /** * Constructor. * * @since 3.4 * * @param Options_Data $options_data Options_Data instance. * @param Options $options_api Options instance. * @param CDNSubscriber $cdn_subscriber CDNSubscriber instance. * @param array $server Values of $_SERVER to use for the tests. Default is $_SERVER. */ public function __construct( Options_Data $options_data, Options $options_api, CDNSubscriber $cdn_subscriber, $server = null ) { parent::__construct( $cdn_subscriber ); $this->options_data = $options_data; $this->options_api = $options_api; if ( ! isset( $server ) && ! empty( $_SERVER ) && is_array( $_SERVER ) ) { $server = $_SERVER; } $this->server = $server && is_array( $server ) ? $server : []; } /** * {@inheritdoc} */ public static function get_subscribed_events() { return [ 'rocket_buffer' => [ 'convert_to_webp', 16 ], 'rocket_disable_webp_cache' => 'maybe_disable_webp_cache', 'rocket_third_party_webp_change' => 'sync_webp_cache_with_third_party_plugins', 'rocket_preload_before_preload_url' => 'add_accept_header', 'rocket_lazyload_youtube_thumbnail_extension' => 'change_youtube_thumbnail', ]; } /** * Converts images extension to WebP if the file exists. * * @since 3.4 * * @param string $html HTML content. * @return string */ public function convert_to_webp( $html ) { if ( ! $this->options_data->get( 'cache_webp', 0 ) ) { return $html; } /** This filter is documented in inc/classes/buffer/class-cache.php */ if ( apply_filters( 'rocket_disable_webp_cache', false ) ) { return $html; } if ( ! $this->is_browser_webp_compatible() ) { return $html; } $extensions = $this->get_extensions(); $attribute_names = $this->get_attribute_names(); if ( empty( $extensions ) || empty( $attribute_names ) ) { return $html . '<!-- Rocket no webp -->'; } $extensions = implode( '|', $extensions ); $attribute_names = implode( '|', $attribute_names ); if ( ! preg_match_all( '@["\'\s](?<name>(?:data-(?:[a-z0-9_-]+-)?)?(?:' . $attribute_names . '))\s*=\s*["\']\s*(?<value>(?:https?:/)?/[^"\']+\.(?:' . $extensions . ')[^"\']*?)\s*["\']@is', $html, $attributes, PREG_SET_ORDER ) ) { return $html . '<!-- Rocket no webp -->'; } if ( ! isset( $this->filesystem ) ) { $this->filesystem = \rocket_direct_filesystem(); } $has_webp = false; foreach ( $attributes as $attribute ) { if ( preg_match( '@srcset$@i', strtolower( $attribute['name'] ) ) ) { // This is a srcset attribute, with probably multiple URLs. $new_value = $this->srcset_to_webp( $attribute['value'], $extensions ); } else { // A single URL attibute. $new_value = $this->url_to_webp( $attribute['value'], $extensions ); } if ( ! $new_value ) { // No webp here. continue; } // Replace in content. $has_webp = true; $new_attr = preg_replace( '@' . $attribute['name'] . '\s*=\s*["\'][^"\']+["\']@s', $attribute['name'] . '="' . $new_value . '"', $attribute[0] ); $html = str_replace( $attribute[0], $new_attr, $html ); } $has_webp = apply_filters_deprecated( 'rocket_page_has_webp_files', [ $has_webp, $html ], '3.12.6', 'rocket_page_has_webp_files' ); /** * Tell if the page contains webp files. * * @since 3.4 * * @param bool $has_webp True if the page contains webp files. False otherwise. * @param string $html The page’s html contents. */ $has_webp = apply_filters( 'rocket_page_has_webp_files', $has_webp, $html ); if ( $has_webp ) { return $html . '<!-- Rocket has webp -->'; } return $html . '<!-- Rocket no webp -->'; } /** * Disable the WebP cache if a WebP plugin is in use. * * @since 3.4 * * @param bool $disable_webp_cache True to disable WebP cache. False otherwise (default). * * @return bool */ public function maybe_disable_webp_cache( $disable_webp_cache ): bool { return $disable_webp_cache || ! empty( $this->get_plugins_serving_webp() ); } /** * When a 3rd party plugin enables or disables its webp feature, disable or enable WPR feature accordingly. * * @since 3.4 */ public function sync_webp_cache_with_third_party_plugins() { if ( $this->options_data->get( 'cache_webp', 0 ) && $this->get_plugins_serving_webp() ) { // Disable the cache webp option. $this->options_data->set( 'cache_webp', 0 ); $this->options_api->set( 'settings', $this->options_data->get_options() ); } rocket_generate_config_file(); } /** * Add WebP to the HTTP_ACCEPT headers on preload request when the WebP option is active * * @param array $requests Requests to make. * @return array */ public function add_accept_header( $requests ) { if ( ! is_array( $requests ) || ! $this->options_data->get( 'cache_webp', 0 ) ) { return $requests; } return array_map( function ( $request ) { $request['headers']['headers']['Accept'] = 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8'; $request['headers']['headers']['HTTP_ACCEPT'] = 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8'; return $request; }, $requests ); } /** * Checks if the browser is WebP compatible * * @since 3.12.6 * * @return bool */ private function is_browser_webp_compatible(): bool { // Only to supporting browsers. $http_accept = isset( $this->server['HTTP_ACCEPT'] ) ? $this->server['HTTP_ACCEPT'] : ''; if ( empty( $http_accept ) && function_exists( 'apache_request_headers' ) ) { $headers = apache_request_headers(); $http_accept = isset( $headers['Accept'] ) ? $headers['Accept'] : ''; } if ( ! empty( $http_accept ) && false !== strpos( $http_accept, 'webp' ) ) { return true; } return $this->is_user_agent_compatible(); } /** * Check the User Agent if the Accept headers is missing the WebP info * * @since 3.12.6 * * @return bool */ private function is_user_agent_compatible(): bool { $user_agent = isset( $this->server['HTTP_USER_AGENT'] ) ? $this->server['HTTP_USER_AGENT'] : ''; if ( empty( $user_agent ) ) { return false; } if ( preg_match( '#Firefox/(?<version>[0-9]{2,})#i', $user_agent, $matches ) ) { if ( 66 >= (int) $matches['version'] ) { return false; } } if ( preg_match( '#(?:iPad|iPhone)(.*)Version/(?<version>[0-9]{2,})#i', $user_agent, $matches ) ) { if ( 14 > (int) $matches['version'] ) { return false; } return true; } if ( preg_match( '#Version/(?<version>[0-9]{2,})(?:.*)Safari#i', $user_agent, $matches ) ) { if ( 16 > (int) $matches['version'] ) { return false; } } return true; } /** * Get the list of file extensions that may have a webp version. * * @since 3.4 * * @return array */ private function get_extensions() { $extensions = [ 'jpg', 'jpeg', 'jpe', 'png', 'gif' ]; /** * Filter the list of file extensions that may have a webp version. * * @since 3.4 * * @param array $extensions An array of file extensions. */ $extensions = apply_filters( 'rocket_file_extensions_for_webp', $extensions ); $extensions = array_filter( (array) $extensions, function ( $extension ) { return $extension && is_string( $extension ); } ); return array_unique( $extensions ); } /** * Get the names of the HTML attributes where WP Rocket must search for image files. * * @since 3.4 * * @return array */ private function get_attribute_names() { $attributes = [ 'href', 'src', 'srcset', 'data-large_image', 'data-thumb' ]; /** * Filter the names of the HTML attributes where WP Rocket must search for image files. * Don't prepend new names with `data-`, WPR will do it. For example if you want to add `data-foo-bar`, you only need to add `foo-bar` or `bar` to the list. * * @since 3.4 * * @param array $attributes An array of HTML attribute names. */ $attributes = apply_filters( 'rocket_attributes_for_webp', $attributes ); $attributes = array_filter( (array) $attributes, function ( $attributes ) { return $attributes && is_string( $attributes ); } ); return array_unique( $attributes ); } /** * Convert a URL to an absolute path. * * @since 3.4 * * @param string $url URL to convert. * @return string|bool */ private function url_to_path( $url ) { static $hosts, $site_host, $subdir_levels; $url_host = wp_parse_url( $url, PHP_URL_HOST ); // Relative path. if ( null === $url_host ) { if ( ! isset( $subdir_levels ) ) { $subdir_levels = substr_count( preg_replace( '@^https?://@', '', site_url() ), '/' ); } if ( $subdir_levels ) { $url = ltrim( $url, '/' ); $url = explode( '/', $url ); array_splice( $url, 0, $subdir_levels ); $url = implode( '/', $url ); } $url = site_url( $url ); } // CDN. if ( ! isset( $hosts ) ) { $hosts = $this->cdn_subscriber->get_cdn_hosts( [], [ 'all', 'images' ] ); $hosts = array_flip( $hosts ); } if ( isset( $hosts[ $url_host ] ) ) { if ( ! isset( $site_host ) ) { $site_host = wp_parse_url( site_url( '/' ), PHP_URL_HOST ); } if ( $site_host ) { $url = preg_replace( '@^(https?://)' . $url_host . '/@', '$1' . $site_host . '/', $url ); } } // URL to path. $url = preg_replace( '@^https?:@', '', $url ); $paths = $this->get_url_to_path_associations(); if ( ! $paths ) { // Uh? return false; } foreach ( $paths as $asso_url => $asso_path ) { if ( 0 === strpos( $url, $asso_url ) ) { $file = str_replace( $asso_url, $asso_path, $url ); break; } } if ( empty( $file ) ) { return false; } /** This filter is documented in inc/functions/formatting.php. */ return (string) apply_filters( 'rocket_url_to_path', $file, $url ); } /** * Add a webp extension to a URL. * * @since 3.4 * * @param string $url A URL (I see you're very surprised). * @param string $extensions Allowed image extensions. * @return string|bool The same URL with a webp extension if the file exists. False if the webp image doesn't exist. */ private function url_to_webp( $url, $extensions ) { if ( ! preg_match( '@^(?<src>.+\.(?<extension>' . $extensions . '))(?<query>(?:\?.*)?)$@i', $url, $src_url ) ) { // Probably something like "image.jpg.webp". return false; } $src_path = $this->url_to_path( $src_url['src'] ); if ( empty( $src_path ) ) { return false; } $src_path_webp = preg_replace( '@\.' . $src_url['extension'] . '$@', '.webp', $src_path ); if ( $this->filesystem->exists( $src_path_webp ) ) { // File name: image.jpg => image.webp. return preg_replace( '@\.' . $src_url['extension'] . '$@', '.webp', $src_url['src'] ) . $src_url['query']; } if ( $this->filesystem->exists( $src_path . '.webp' ) ) { // File name: image.jpg => image.jpg.webp. return $src_url['src'] . '.webp' . $src_url['query']; } return false; } /** * Add webp extension to URLs in a srcset attribute. * * @since 3.4 * * @param array|string $srcset_values Value of a srcset attribute. * @param string $extensions Allowed image extensions. * @return string|bool An array similar to $srcset_values, with webp extensions when the files exist. False if no images have webp versions. */ private function srcset_to_webp( $srcset_values, $extensions ) { if ( ! $srcset_values ) { return false; } if ( ! is_array( $srcset_values ) ) { $srcset_values = explode( ',', $srcset_values ); } $has_webp = false; foreach ( $srcset_values as $i => $srcset_value ) { $srcset_value = preg_split( '/\s+/', trim( $srcset_value ) ); if ( count( $srcset_value ) > 2 ) { // Not a good idea to have space characters in file name. $descriptor = array_pop( $srcset_value ); $srcset_value = [ 'url' => implode( ' ', $srcset_value ), 'descriptor' => $descriptor, ]; } else { $srcset_value = [ 'url' => $srcset_value[0], 'descriptor' => ! empty( $srcset_value[1] ) ? $srcset_value[1] : '1x', ]; } $url_webp = $this->url_to_webp( $srcset_value['url'], $extensions ); if ( ! $url_webp ) { $srcset_values[ $i ] = implode( ' ', $srcset_value ); continue; } $srcset_values[ $i ] = $url_webp . ' ' . $srcset_value['descriptor']; $has_webp = true; } if ( ! $has_webp ) { return false; } return implode( ',', $srcset_values ); } /** * Get a list of URL/path associations. * URLs are schema-less, starting by a double slash. * * @since 3.4 * * @return array A list of URLs as keys and paths as values. */ private function get_url_to_path_associations() { static $list; if ( isset( $list ) ) { return $list; } $content_url = preg_replace( '@^https?:@', '', content_url( '/' ) ); $content_dir = trailingslashit( rocket_get_constant( 'WP_CONTENT_DIR' ) ); $list = [ $content_url => $content_dir ]; $upload = wp_upload_dir(); $upload_dir = trailingslashit( $upload['basedir'] ); if ( strpos( $upload_dir, $content_dir ) === false ) { $upload_url = preg_replace( '@^https?:@', '', trailingslashit( $upload['baseurl'] ) ); $list[ $upload_url ] = $upload_dir; } /** * Filter the list of URL/path associations. * The URLs with the most levels must come first. * * @since 3.4 * * @param array $list The list of URL/path associations. URLs are schema-less, starting by a double slash. */ $list = apply_filters( 'rocket_url_to_path_associations', $list ); $list = array_filter( $list, function ( $path, $url ) { return $path && $url && is_string( $path ) && is_string( $url ); }, ARRAY_FILTER_USE_BOTH ); if ( $list ) { $list = array_unique( $list ); } return $list; } /** * Get a list of plugins that serve webp images on frontend. * If the CDN is used, this won't list plugins that use a technique not compatible with CDN. * * @since 3.4 * * @return array The WebP plugin names. */ private function get_plugins_serving_webp() { $webp_plugins = $this->get_webp_plugins(); if ( ! $webp_plugins ) { // Somebody probably messed up. return []; } $checks = []; $is_using_cdn = $this->is_using_cdn(); foreach ( $webp_plugins as $plugin ) { if ( $is_using_cdn && $plugin->is_serving_webp_compatible_with_cdn() ) { $checks[ $plugin->get_id() ] = $plugin->get_name(); } elseif ( ! $is_using_cdn && $plugin->is_serving_webp() ) { $checks[ $plugin->get_id() ] = $plugin->get_name(); } } return $checks; } /** * Change Youtube thumbnail extension. * * @param string $extension extension from the thumbnail. * * @return string */ public function change_youtube_thumbnail( $extension ) { if ( ! $this->options_data->get( 'cache_webp', 0 ) ) { return $extension; } return 'webp'; } }