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wp-content/plugins/wordpress-seo/inc/sitemaps/class-sitemaps-admin.php

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+<?php
+/**
+ * WPSEO plugin file.
+ *
+ * @package WPSEO\Admin\XML Sitemaps
+ */
+
+/**
+ * Class that handles the Admin side of XML sitemaps.
+ */
+class WPSEO_Sitemaps_Admin {
+
+	/**
+	 * Post_types that are being imported.
+	 *
+	 * @var array
+	 */
+	private $importing_post_types = [];
+
+	/**
+	 * Class constructor.
+	 */
+	public function __construct() {
+		add_action( 'transition_post_status', [ $this, 'status_transition' ], 10, 3 );
+		add_action( 'admin_footer', [ $this, 'status_transition_bulk_finished' ] );
+
+		WPSEO_Sitemaps_Cache::register_clear_on_option_update( 'wpseo_titles', '' );
+		WPSEO_Sitemaps_Cache::register_clear_on_option_update( 'wpseo', '' );
+	}
+
+	/**
+	 * Hooked into transition_post_status. Will initiate search engine pings
+	 * if the post is being published, is a post type that a sitemap is built for
+	 * and is a post that is included in sitemaps.
+	 *
+	 * @param string   $new_status New post status.
+	 * @param string   $old_status Old post status.
+	 * @param \WP_Post $post       Post object.
+	 */
+	public function status_transition( $new_status, $old_status, $post ) {
+		if ( $new_status !== 'publish' ) {
+			return;
+		}
+
+		if ( defined( 'WP_IMPORTING' ) ) {
+			$this->status_transition_bulk( $new_status, $old_status, $post );
+
+			return;
+		}
+
+		$post_type = get_post_type( $post );
+
+		wp_cache_delete( 'lastpostmodified:gmt:' . $post_type, 'timeinfo' ); // #17455.
+
+		// Not something we're interested in.
+		if ( $post_type === 'nav_menu_item' ) {
+			return;
+		}
+
+		// If the post type is excluded in options, we can stop.
+		if ( WPSEO_Options::get( 'noindex-' . $post_type, false ) ) {
+			return;
+		}
+
+		if ( ! YoastSEO()->helpers->environment->is_production_mode() ) {
+			return;
+		}
+
+		$this->ping_search_engines();
+	}
+
+	/**
+	 * Notify Google of the updated sitemap.
+	 */
+	public function ping_search_engines() {
+
+		if ( get_option( 'blog_public' ) === '0' ) { // Don't ping if blog is not public.
+			return;
+		}
+
+		/**
+		 * Filter: 'wpseo_allow_xml_sitemap_ping' - Check if pinging is not allowed (allowed by default).
+		 *
+		 * @api boolean $allow_ping The boolean that is set to true by default.
+		 */
+		if ( apply_filters( 'wpseo_allow_xml_sitemap_ping', true ) === false ) {
+			return;
+		}
+
+		$url = rawurlencode( WPSEO_Sitemaps_Router::get_base_url( 'sitemap_index.xml' ) );
+
+		// Ping Google about our sitemap change.
+		wp_remote_get( 'https://www.google.com/ping?sitemap=' . $url, [ 'blocking' => false ] );
+
+		if ( ! defined( 'WPSEO_PREMIUM_FILE' ) || WPSEO_Options::get( 'enable_index_now' ) === false ) {
+			wp_remote_get( 'https://www.bing.com/ping?sitemap=' . $url, [ 'blocking' => false ] );
+		}
+	}
+
+	/**
+	 * While bulk importing, just save unique post_types.
+	 *
+	 * When importing is done, if we have a post_type that is saved in the sitemap
+	 * try to ping the search engines.
+	 *
+	 * @param string   $new_status New post status.
+	 * @param string   $old_status Old post status.
+	 * @param \WP_Post $post       Post object.
+	 */
+	private function status_transition_bulk( $new_status, $old_status, $post ) {
+		$this->importing_post_types[] = get_post_type( $post );
+		$this->importing_post_types   = array_unique( $this->importing_post_types );
+	}
+
+	/**
+	 * After import finished, walk through imported post_types and update info.
+	 */
+	public function status_transition_bulk_finished() {
+		if ( ! defined( 'WP_IMPORTING' ) ) {
+			return;
+		}
+
+		if ( empty( $this->importing_post_types ) ) {
+			return;
+		}
+
+		$ping_search_engines = false;
+
+		foreach ( $this->importing_post_types as $post_type ) {
+			wp_cache_delete( 'lastpostmodified:gmt:' . $post_type, 'timeinfo' ); // #17455.
+
+			// Just have the cache deleted for nav_menu_item.
+			if ( $post_type === 'nav_menu_item' ) {
+				continue;
+			}
+
+			if ( WPSEO_Options::get( 'noindex-' . $post_type, false ) === false ) {
+				$ping_search_engines = true;
+			}
+		}
+
+		// Nothing to do.
+		if ( $ping_search_engines === false ) {
+			return;
+		}
+
+		if ( WP_CACHE ) {
+			do_action( 'wpseo_hit_sitemap_index' );
+		}
+
+		$this->ping_search_engines();
+	}
+}