@%s', esc_url( $url ), esc_html( $username ) ); } return $result[0]; } /** * Get the Inboxes for the mentioned Actors. * * @param array $mentioned The list of Actors that were mentioned. * * @return array The list of Inboxes. */ public static function get_inboxes( $mentioned ) { $inboxes = array(); foreach ( $mentioned as $actor ) { $inbox = self::get_inbox_by_mentioned_actor( $actor ); if ( ! is_wp_error( $inbox ) && $inbox ) { $inboxes[] = $inbox; } } return $inboxes; } /** * Get the inbox from the Remote-Profile of a mentioned Actor. * * @param string $actor The Actor URL. * * @return string|WP_Error The Inbox-URL or WP_Error if not found. */ public static function get_inbox_by_mentioned_actor( $actor ) { $metadata = get_remote_metadata_by_actor( $actor ); if ( \is_wp_error( $metadata ) ) { return $metadata; } if ( isset( $metadata['endpoints']['sharedInbox'] ) ) { return $metadata['endpoints']['sharedInbox']; } if ( \array_key_exists( 'inbox', $metadata ) ) { return $metadata['inbox']; } return new WP_Error( 'activitypub_no_inbox', \__( 'No "Inbox" found', 'activitypub' ), $metadata ); } /** * Extract the mentions from the post_content. * * @param array $mentions The already found mentions. * @param string $post_content The post content. * * @return array The discovered mentions. */ public static function extract_mentions( $mentions, $post_content ) { \preg_match_all( '/@' . ACTIVITYPUB_USERNAME_REGEXP . '/i', $post_content, $matches ); foreach ( $matches[0] as $match ) { $link = Webfinger::resolve( $match ); if ( ! is_wp_error( $link ) ) { $mentions[ $match ] = $link; } } return \array_unique( $mentions ); } }