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<?php /** * WPSEO plugin file. * * @package WPSEO\Main */ if ( ! function_exists( 'add_filter' ) ) { header( 'Status: 403 Forbidden' ); header( 'HTTP/1.1 403 Forbidden' ); exit(); } /** * {@internal Nobody should be able to overrule the real version number as this can cause * serious issues with the options, so no if ( ! defined() ).}} */ define( 'WPSEO_VERSION', '22.5' ); if ( ! defined( 'WPSEO_PATH' ) ) { define( 'WPSEO_PATH', plugin_dir_path( WPSEO_FILE ) ); } if ( ! defined( 'WPSEO_BASENAME' ) ) { define( 'WPSEO_BASENAME', plugin_basename( WPSEO_FILE ) ); } /* * {@internal The prefix constants are used to build prefixed versions of dependencies. * These should not be changed on run-time, thus missing the ! defined() check.}} */ define( 'YOAST_VENDOR_NS_PREFIX', 'YoastSEO_Vendor' ); define( 'YOAST_VENDOR_DEFINE_PREFIX', 'YOASTSEO_VENDOR__' ); define( 'YOAST_VENDOR_PREFIX_DIRECTORY', 'vendor_prefixed' ); define( 'YOAST_SEO_PHP_REQUIRED', '7.2.5' ); define( 'YOAST_SEO_WP_TESTED', '6.5.2' ); define( 'YOAST_SEO_WP_REQUIRED', '6.3' ); if ( ! defined( 'WPSEO_NAMESPACES' ) ) { define( 'WPSEO_NAMESPACES', true ); } /* ***************************** CLASS AUTOLOADING *************************** */ /** * Autoload our class files. * * @param string $class_name Class name. * * @return void */ function wpseo_auto_load( $class_name ) { static $classes = null; if ( $classes === null ) { $classes = [ 'wp_list_table' => ABSPATH . 'wp-admin/includes/class-wp-list-table.php', 'walker_category' => ABSPATH . 'wp-includes/category-template.php', ]; } $cn = strtolower( $class_name ); if ( ! class_exists( $class_name ) && isset( $classes[ $cn ] ) ) { require_once $classes[ $cn ]; } } $yoast_autoload_file = WPSEO_PATH . 'vendor/autoload.php'; if ( is_readable( $yoast_autoload_file ) ) { $yoast_autoloader = require $yoast_autoload_file; } elseif ( ! class_exists( 'WPSEO_Options' ) ) { // Still checking since might be site-level autoload R. add_action( 'admin_init', 'yoast_wpseo_missing_autoload', 1 ); return; } /** * Include the file from the `symfony/deprecation-contracts` dependency instead of autoloading it via composer. * * We need to do that because autoloading via composer prevents the vendor-prefixing of the dependency itself. * Note that we don't expect the function to be ever called since the OAuth2 library should not provide invalid input. */ $deprecation_contracts_file = WPSEO_PATH . 'vendor_prefixed/symfony/deprecation-contracts/functions.php'; if ( is_readable( $deprecation_contracts_file ) ) { include $deprecation_contracts_file; } if ( function_exists( 'spl_autoload_register' ) ) { spl_autoload_register( 'wpseo_auto_load' ); } require_once WPSEO_PATH . 'src/functions.php'; /* ********************* DEFINES DEPENDING ON AUTOLOADED CODE ********************* */ /** * Defaults to production, for safety. */ if ( ! defined( 'YOAST_ENVIRONMENT' ) ) { define( 'YOAST_ENVIRONMENT', 'production' ); } if ( YOAST_ENVIRONMENT === 'development' && isset( $yoast_autoloader ) ) { add_action( 'plugins_loaded', /** * Reregisters the autoloader so that Yoast SEO is at the front. * This prevents conflicts with the development versions of our addons. * An anonymous function is used so we can use the autoloader variable. * As this is only loaded in development removing this action is not a concern. * * @return void */ static function () use ( $yoast_autoloader ) { $yoast_autoloader->unregister(); $yoast_autoloader->register( true ); }, 1 ); } /** * Only use minified assets when we are in a production environment. */ if ( ! defined( 'WPSEO_CSSJS_SUFFIX' ) ) { define( 'WPSEO_CSSJS_SUFFIX', ( YOAST_ENVIRONMENT !== 'development' ) ? '.min' : '' ); } /* ***************************** PLUGIN (DE-)ACTIVATION *************************** */ /** * Run single site / network-wide activation of the plugin. * * @param bool $networkwide Whether the plugin is being activated network-wide. * * @return void */ function wpseo_activate( $networkwide = false ) { if ( ! is_multisite() || ! $networkwide ) { _wpseo_activate(); } else { /* Multi-site network activation - activate the plugin for all blogs. */ wpseo_network_activate_deactivate( true ); } // This is done so that the 'uninstall_{$file}' is triggered. register_uninstall_hook( WPSEO_FILE, '__return_false' ); } /** * Run single site / network-wide de-activation of the plugin. * * @param bool $networkwide Whether the plugin is being de-activated network-wide. * * @return void */ function wpseo_deactivate( $networkwide = false ) { if ( ! is_multisite() || ! $networkwide ) { _wpseo_deactivate(); } else { /* Multi-site network activation - de-activate the plugin for all blogs. */ wpseo_network_activate_deactivate( false ); } } /** * Run network-wide (de-)activation of the plugin. * * @param bool $activate True for plugin activation, false for de-activation. * * @return void */ function wpseo_network_activate_deactivate( $activate = true ) { global $wpdb; $network_blogs = $wpdb->get_col( $wpdb->prepare( "SELECT blog_id FROM $wpdb->blogs WHERE site_id = %d", $wpdb->siteid ) ); if ( is_array( $network_blogs ) && $network_blogs !== [] ) { foreach ( $network_blogs as $blog_id ) { switch_to_blog( $blog_id ); if ( $activate === true ) { _wpseo_activate(); } else { _wpseo_deactivate(); } restore_current_blog(); } } } /** * Runs on activation of the plugin. * * @return void */ function _wpseo_activate() { require_once WPSEO_PATH . 'inc/wpseo-functions.php'; require_once WPSEO_PATH . 'inc/class-wpseo-installation.php'; wpseo_load_textdomain(); // Make sure we have our translations available for the defaults. new WPSEO_Installation(); WPSEO_Options::get_instance(); if ( ! is_multisite() ) { WPSEO_Options::initialize(); } else { WPSEO_Options::maybe_set_multisite_defaults( true ); } WPSEO_Options::ensure_options_exist(); if ( ! is_multisite() || ! ms_is_switched() ) { if ( WPSEO_Options::get( 'stripcategorybase' ) === true ) { // Constructor has side effects so this registers all hooks. $GLOBALS['wpseo_rewrite'] = new WPSEO_Rewrite(); } } add_action( 'shutdown', [ 'WPSEO_Utils', 'clear_rewrites' ] ); WPSEO_Options::set( 'indexing_reason', 'first_install' ); WPSEO_Options::set( 'first_time_install', true ); if ( ! defined( 'WP_CLI' ) || ! WP_CLI ) { WPSEO_Options::set( 'should_redirect_after_install_free', true ); } else { WPSEO_Options::set( 'activation_redirect_timestamp_free', time() ); } // Reset tracking to be disabled by default. if ( ! YoastSEO()->helpers->product->is_premium() && WPSEO_Options::get( 'toggled_tracking' ) !== true ) { WPSEO_Options::set( 'tracking', false ); } do_action( 'wpseo_register_roles' ); WPSEO_Role_Manager_Factory::get()->add(); do_action( 'wpseo_register_capabilities' ); WPSEO_Capability_Manager_Factory::get()->add(); // Clear cache so the changes are obvious. WPSEO_Utils::clear_cache(); do_action( 'wpseo_activate' ); } /** * On deactivation, flush the rewrite rules so XML sitemaps stop working. * * @return void */ function _wpseo_deactivate() { require_once WPSEO_PATH . 'inc/wpseo-functions.php'; add_action( 'shutdown', [ 'WPSEO_Utils', 'clear_rewrites' ] ); // Register capabilities, to make sure they are cleaned up. do_action( 'wpseo_register_roles' ); do_action( 'wpseo_register_capabilities' ); // Clean up capabilities. WPSEO_Role_Manager_Factory::get()->remove(); WPSEO_Capability_Manager_Factory::get()->remove(); // Clear cache so the changes are obvious. WPSEO_Utils::clear_cache(); do_action( 'wpseo_deactivate' ); } /** * Run wpseo activation routine on creation / activation of a multisite blog if WPSEO is activated * network-wide. * * Will only be called by multisite actions. * * {@internal Unfortunately will fail if the plugin is in the must-use directory. * {@link https://core.trac.wordpress.org/ticket/24205} }} * * @param int|WP_Site $blog_id Blog ID. * * @return void */ function wpseo_on_activate_blog( $blog_id ) { if ( ! function_exists( 'is_plugin_active_for_network' ) ) { require_once ABSPATH . 'wp-admin/includes/plugin.php'; } if ( $blog_id instanceof WP_Site ) { $blog_id = (int) $blog_id->blog_id; } if ( is_plugin_active_for_network( WPSEO_BASENAME ) ) { switch_to_blog( $blog_id ); wpseo_activate( false ); restore_current_blog(); } } /* ***************************** PLUGIN LOADING *************************** */ /** * Load translations. * * @return void */ function wpseo_load_textdomain() { $wpseo_path = str_replace( '\\', '/', WPSEO_PATH ); $mu_path = str_replace( '\\', '/', WPMU_PLUGIN_DIR ); if ( stripos( $wpseo_path, $mu_path ) !== false ) { load_muplugin_textdomain( 'wordpress-seo', dirname( WPSEO_BASENAME ) . '/languages/' ); } else { load_plugin_textdomain( 'wordpress-seo', false, dirname( WPSEO_BASENAME ) . '/languages/' ); } } add_action( 'plugins_loaded', 'wpseo_load_textdomain' ); /** * On plugins_loaded: load the minimum amount of essential files for this plugin. * * @return void */ function wpseo_init() { require_once WPSEO_PATH . 'inc/wpseo-functions.php'; require_once WPSEO_PATH . 'inc/wpseo-functions-deprecated.php'; // Make sure our option and meta value validation routines and default values are always registered and available. WPSEO_Options::get_instance(); WPSEO_Meta::init(); if ( version_compare( WPSEO_Options::get( 'version', 1 ), WPSEO_VERSION, '<' ) ) { if ( function_exists( 'opcache_reset' ) ) { // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged -- Prevent notices when opcache.restrict_api is set. @opcache_reset(); } new WPSEO_Upgrade(); // Get a cleaned up version of the $options. } if ( WPSEO_Options::get( 'stripcategorybase' ) === true ) { $GLOBALS['wpseo_rewrite'] = new WPSEO_Rewrite(); } if ( WPSEO_Options::get( 'enable_xml_sitemap' ) === true ) { $GLOBALS['wpseo_sitemaps'] = new WPSEO_Sitemaps(); } if ( ! wp_doing_ajax() ) { require_once WPSEO_PATH . 'inc/wpseo-non-ajax-functions.php'; } // Init it here because the filter must be present on the frontend as well or it won't work in the customizer. new WPSEO_Customizer(); $integrations = []; $integrations[] = new WPSEO_Slug_Change_Watcher(); foreach ( $integrations as $integration ) { $integration->register_hooks(); } } /** * Loads the rest api endpoints. * * @return void */ function wpseo_init_rest_api() { // We can't do anything when requirements are not met. if ( ! WPSEO_Utils::is_api_available() ) { return; } // Boot up REST API. $statistics_service = new WPSEO_Statistics_Service( new WPSEO_Statistics() ); $endpoints = []; $endpoints[] = new WPSEO_Endpoint_File_Size( new WPSEO_File_Size_Service() ); $endpoints[] = new WPSEO_Endpoint_Statistics( $statistics_service ); foreach ( $endpoints as $endpoint ) { $endpoint->register(); } } /** * Used to load the required files on the plugins_loaded hook, instead of immediately. * * @return void */ function wpseo_admin_init() { new WPSEO_Admin_Init(); } /* ***************************** BOOTSTRAP / HOOK INTO WP *************************** */ $spl_autoload_exists = function_exists( 'spl_autoload_register' ); $filter_exists = function_exists( 'filter_input' ); if ( ! $spl_autoload_exists ) { add_action( 'admin_init', 'yoast_wpseo_missing_spl', 1 ); } if ( ! $filter_exists ) { add_action( 'admin_init', 'yoast_wpseo_missing_filter', 1 ); } if ( ! wp_installing() && ( $spl_autoload_exists && $filter_exists ) ) { add_action( 'plugins_loaded', 'wpseo_init', 14 ); add_action( 'setup_theme', [ 'Yoast_Dynamic_Rewrites', 'instance' ], 1 ); add_action( 'rest_api_init', 'wpseo_init_rest_api' ); if ( is_admin() ) { new Yoast_Notifications(); $yoast_addon_manager = new WPSEO_Addon_Manager(); $yoast_addon_manager->register_hooks(); if ( wp_doing_ajax() ) { require_once WPSEO_PATH . 'admin/ajax.php'; // Plugin conflict ajax hooks. new Yoast_Plugin_Conflict_Ajax(); // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Reason: We are not processing form information but only loading the admin init class. if ( isset( $_POST['action'] ) && is_string( $_POST['action'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing,WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are not processing form information but only loading the admin init class, We are strictly comparing only. if ( wp_unslash( $_POST['action'] ) === 'inline-save' ) { add_action( 'plugins_loaded', 'wpseo_admin_init', 15 ); } } } else { add_action( 'plugins_loaded', 'wpseo_admin_init', 15 ); } } add_action( 'plugins_loaded', 'load_yoast_notifications' ); add_action( 'init', [ 'WPSEO_Replace_Vars', 'setup_statics_once' ] ); // Initializes the Yoast indexables for the first time. YoastSEO(); /** * Action called when the Yoast SEO plugin file has loaded. */ do_action( 'wpseo_loaded' ); } // Activation and deactivation hook. register_activation_hook( WPSEO_FILE, 'wpseo_activate' ); register_deactivation_hook( WPSEO_FILE, 'wpseo_deactivate' ); add_action( 'wp_initialize_site', 'wpseo_on_activate_blog', 99 ); add_action( 'activate_blog', 'wpseo_on_activate_blog' ); // Registers SEO capabilities. $wpseo_register_capabilities = new WPSEO_Register_Capabilities(); $wpseo_register_capabilities->register_hooks(); // Registers SEO roles. $wpseo_register_capabilities = new WPSEO_Register_Roles(); $wpseo_register_capabilities->register_hooks(); /** * Wraps for notifications center class. * * @return void */ function load_yoast_notifications() { // Init Yoast_Notification_Center class. Yoast_Notification_Center::get(); } /** * Throw an error if the PHP SPL extension is disabled (prevent white screens) and self-deactivate plugin. * * @since 1.5.4 * * @return void */ function yoast_wpseo_missing_spl() { if ( is_admin() ) { add_action( 'admin_notices', 'yoast_wpseo_missing_spl_notice' ); yoast_wpseo_self_deactivate(); } } /** * Returns the notice in case of missing spl extension. * * @return void */ function yoast_wpseo_missing_spl_notice() { $message = esc_html__( 'The Standard PHP Library (SPL) extension seem to be unavailable. Please ask your web host to enable it.', 'wordpress-seo' ); yoast_wpseo_activation_failed_notice( $message ); } /** * Throw an error if the Composer autoload is missing and self-deactivate plugin. * * @return void */ function yoast_wpseo_missing_autoload() { if ( is_admin() ) { add_action( 'admin_notices', 'yoast_wpseo_missing_autoload_notice' ); yoast_wpseo_self_deactivate(); } } /** * Returns the notice in case of missing Composer autoload. * * @return void */ function yoast_wpseo_missing_autoload_notice() { /* translators: %1$s expands to Yoast SEO, %2$s / %3$s: links to the installation manual in the Readme for the Yoast SEO code repository on GitHub */ $message = esc_html__( 'The %1$s plugin installation is incomplete. Please refer to %2$sinstallation instructions%3$s.', 'wordpress-seo' ); $message = sprintf( $message, 'Yoast SEO', '<a href="https://github.com/Yoast/wordpress-seo#installation">', '</a>' ); yoast_wpseo_activation_failed_notice( $message ); } /** * Throw an error if the filter extension is disabled (prevent white screens) and self-deactivate plugin. * * @since 2.0 * * @return void */ function yoast_wpseo_missing_filter() { if ( is_admin() ) { add_action( 'admin_notices', 'yoast_wpseo_missing_filter_notice' ); yoast_wpseo_self_deactivate(); } } /** * Returns the notice in case of missing filter extension. * * @return void */ function yoast_wpseo_missing_filter_notice() { $message = esc_html__( 'The filter extension seem to be unavailable. Please ask your web host to enable it.', 'wordpress-seo' ); yoast_wpseo_activation_failed_notice( $message ); } /** * Echo's the Activation failed notice with any given message. * * @param string $message Message string. * * @return void */ function yoast_wpseo_activation_failed_notice( $message ) { // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- This function is only called in 3 places that are safe. echo '<div class="error"><p>' . esc_html__( 'Activation failed:', 'wordpress-seo' ) . ' ' . strip_tags( $message, '<a>' ) . '</p></div>'; } /** * The method will deactivate the plugin, but only once, done by the static $is_deactivated. * * @return void */ function yoast_wpseo_self_deactivate() { static $is_deactivated; if ( $is_deactivated === null ) { $is_deactivated = true; deactivate_plugins( WPSEO_BASENAME ); if ( isset( $_GET['activate'] ) ) { unset( $_GET['activate'] ); } } } /** * Aliasses added in order to keep compatibility with Yoast SEO: Local. */ class_alias( '\Yoast\WP\SEO\Initializers\Initializer_Interface', '\Yoast\WP\SEO\WordPress\Initializer' ); class_alias( '\Yoast\WP\SEO\Loadable_Interface', '\Yoast\WP\SEO\WordPress\Loadable' ); class_alias( '\Yoast\WP\SEO\Integrations\Integration_Interface', '\Yoast\WP\SEO\WordPress\Integration' );