\__( 'Author URL test', 'activitypub' ), 'test' => array( self::class, 'test_author_url' ), ); } $tests['direct']['activitypub_test_webfinger'] = array( 'label' => __( 'WebFinger Test', 'activitypub' ), 'test' => array( self::class, 'test_webfinger' ), ); return $tests; } /** * Author URL tests. * * @return array */ public static function test_author_url() { $result = array( 'label' => \__( 'Author URL accessible', 'activitypub' ), 'status' => 'good', 'badge' => array( 'label' => \__( 'ActivityPub', 'activitypub' ), 'color' => 'green', ), 'description' => \sprintf( '

%s

', \__( 'Your author URL is accessible and supports the required "Accept" header.', 'activitypub' ) ), 'actions' => '', 'test' => 'test_author_url', ); $check = self::is_author_url_accessible(); if ( true === $check ) { return $result; } $result['status'] = 'critical'; $result['label'] = \__( 'Author URL is not accessible', 'activitypub' ); $result['badge']['color'] = 'red'; $result['description'] = \sprintf( '

%s

', $check->get_error_message() ); return $result; } /** * System Cron tests. * * @return array */ public static function test_system_cron() { $result = array( 'label' => \__( 'System Task Scheduler configured', 'activitypub' ), 'status' => 'good', 'badge' => array( 'label' => \__( 'ActivityPub', 'activitypub' ), 'color' => 'green', ), 'description' => \sprintf( '

%s

', \esc_html__( 'You seem to use the System Task Scheduler to process WP_Cron tasks.', 'activitypub' ) ), 'actions' => '', 'test' => 'test_system_cron', ); if ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ) { return $result; } $result['status'] = 'recommended'; $result['label'] = \__( 'System Task Scheduler not configured', 'activitypub' ); $result['badge']['color'] = 'orange'; $result['description'] = \sprintf( '

%s

', \__( 'Enhance your WordPress site’s performance and mitigate potential heavy loads caused by plugins like ActivityPub by setting up a system cron job to run WP Cron. This ensures scheduled tasks are executed consistently and reduces the reliance on website traffic for trigger events.', 'activitypub' ) ); $result['actions'] .= sprintf( '

%s %s

', esc_url( __( 'https://developer.wordpress.org/plugins/cron/hooking-wp-cron-into-the-system-task-scheduler/', 'activitypub' ) ), __( 'Learn how to hook the WP-Cron into the System Task Scheduler.', 'activitypub' ), /* translators: Hidden accessibility text. */ __( '(opens in a new tab)', 'activitypub' ) ); return $result; } /** * WebFinger tests. * * @return array */ public static function test_webfinger() { $result = array( 'label' => \__( 'WebFinger endpoint', 'activitypub' ), 'status' => 'good', 'badge' => array( 'label' => \__( 'ActivityPub', 'activitypub' ), 'color' => 'green', ), 'description' => \sprintf( '

%s

', \__( 'Your WebFinger endpoint is accessible and returns the correct information.', 'activitypub' ) ), 'actions' => '', 'test' => 'test_webfinger', ); $check = self::is_webfinger_endpoint_accessible(); if ( true === $check ) { return $result; } $result['status'] = 'critical'; $result['label'] = \__( 'WebFinger endpoint is not accessible', 'activitypub' ); $result['badge']['color'] = 'red'; $result['description'] = \sprintf( '

%s

', $check->get_error_message() ); return $result; } /** * Check if `author_posts_url` is accessible and that request returns correct JSON. * * @return bool|WP_Error True if the author URL is accessible, WP_Error otherwise. */ public static function is_author_url_accessible() { $user = \wp_get_current_user(); $author_url = \get_author_posts_url( $user->ID ); $reference_author_url = self::get_author_posts_url( $user->ID, $user->user_nicename ); // Check for "author" in URL. if ( $author_url !== $reference_author_url ) { return new WP_Error( 'author_url_not_accessible', \sprintf( // translators: %s: Author URL. \__( 'Your author URL %s was replaced, this is often done by plugins.', 'activitypub' ), $author_url ) ); } // Try to access author URL. $response = \wp_remote_get( $author_url, array( 'headers' => array( 'Accept' => 'application/activity+json' ), 'redirection' => 0, ) ); if ( \is_wp_error( $response ) ) { return new WP_Error( 'author_url_not_accessible', \sprintf( // translators: %s: Author URL. \__( 'Your author URL %s is not accessible. Please check your WordPress setup or permalink structure. If the setup seems fine, maybe check if a plugin might restrict the access.', 'activitypub' ), $author_url ) ); } $response_code = \wp_remote_retrieve_response_code( $response ); // Check for redirects. if ( \in_array( $response_code, array( 301, 302, 307, 308 ), true ) ) { return new WP_Error( 'author_url_not_accessible', \sprintf( // translators: %s: Author URL. \__( 'Your author URL %s is redirecting to another page, this is often done by SEO plugins like "Yoast SEO".', 'activitypub' ), $author_url ) ); } // Check if response is JSON. $body = \wp_remote_retrieve_body( $response ); if ( ! \is_string( $body ) || ! \is_array( \json_decode( $body, true ) ) ) { return new WP_Error( 'author_url_not_accessible', \sprintf( // translators: %s: Author URL. \__( 'Your author URL %s does not return valid JSON for application/activity+json. Please check if your hosting supports alternate Accept headers.', 'activitypub' ), $author_url ) ); } return true; } /** * Check if WebFinger endpoint is accessible and profile request returns correct JSON * * @return boolean|WP_Error */ public static function is_webfinger_endpoint_accessible() { $user = Users::get_by_id( Users::APPLICATION_USER_ID ); $resource = $user->get_webfinger(); $url = Webfinger::resolve( $resource ); if ( \is_wp_error( $url ) ) { $allowed = array( 'code' => array() ); $not_accessible = wp_kses( // translators: %s: Author URL. \__( 'Your WebFinger endpoint %s is not accessible. Please check your WordPress setup or permalink structure.', 'activitypub' ), $allowed ); $invalid_response = wp_kses( // translators: %s: Author URL. \__( 'Your WebFinger endpoint %s does not return valid JSON for application/jrd+json.', 'activitypub' ), $allowed ); $health_messages = array( 'webfinger_url_not_accessible' => \sprintf( $not_accessible, $url->get_error_data()['data'] ), 'webfinger_url_invalid_response' => \sprintf( // translators: %s: Author URL. $invalid_response, $url->get_error_data()['data'] ), ); $message = null; if ( isset( $health_messages[ $url->get_error_code() ] ) ) { $message = $health_messages[ $url->get_error_code() ]; } return new WP_Error( $url->get_error_code(), $message, $url->get_error_data() ); } return true; } /** * Retrieve the URL to the author page for the user with the ID provided. * * @global \WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param int $author_id Author ID. * @param string $author_nicename Optional. The author's nicename (slug). Default empty. * * @return string The URL to the author's page. */ public static function get_author_posts_url( $author_id, $author_nicename = '' ) { global $wp_rewrite; $auth_id = (int) $author_id; $link = $wp_rewrite->get_author_permastruct(); if ( empty( $link ) ) { $file = home_url( '/' ); $link = $file . '?author=' . $auth_id; } else { if ( '' === $author_nicename ) { $user = get_userdata( $author_id ); if ( ! empty( $user->user_nicename ) ) { $author_nicename = $user->user_nicename; } } $link = str_replace( '%author%', $author_nicename, $link ); $link = home_url( user_trailingslashit( $link ) ); } return $link; } /** * Static function for generating site debug data when required. * * @param array $info The debug information to be added to the core information page. * @return array The filtered information */ public static function debug_information( $info ) { $info['activitypub'] = array( 'label' => __( 'ActivityPub', 'activitypub' ), 'fields' => array( 'webfinger' => array( 'label' => __( 'WebFinger Resource', 'activitypub' ), 'value' => Webfinger::get_user_resource( wp_get_current_user()->ID ), 'private' => true, ), 'author_url' => array( 'label' => __( 'Author URL', 'activitypub' ), 'value' => get_author_posts_url( wp_get_current_user()->ID ), 'private' => true, ), 'plugin_version' => array( 'label' => __( 'Plugin Version', 'activitypub' ), 'value' => get_plugin_version(), 'private' => true, ), ), ); return $info; } }