334 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			334 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * File: ObjectCache_Plugin.php
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|  *
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|  * @package W3TC
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|  *
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|  * phpcs:disable PSR2.Classes.PropertyDeclaration.Underscore
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|  */
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| 
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| namespace W3TC;
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| 
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| /**
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|  * W3 ObjectCache plugin
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|  */
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| class ObjectCache_Plugin {
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| 	/**
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| 	 * Config.
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| 	 *
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| 	 * @var array
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| 	 */
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| 	private $_config = null;
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| 
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| 	/**
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| 	 * If the object cache has been flushed.
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| 	 *
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| 	 * @since 2.2.10
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| 	 *
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| 	 * @var boolean
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| 	 */
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| 	private static $flushed = false;
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| 
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| 	/**
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| 	 * Constructor.
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| 	 */
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| 	public function __construct() {
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| 		$this->_config = Dispatcher::config();
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| 	}
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| 
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| 	/**
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| 	 * Runs plugin
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| 	 */
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| 	public function run() {
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| 		// phpcs:ignore WordPress.WP.CronInterval.ChangeDetected
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| 		add_filter( 'cron_schedules', array( $this, 'cron_schedules' ) );
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| 
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| 		add_filter( 'w3tc_footer_comment', array( $this, 'w3tc_footer_comment' ) );
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| 
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| 		if ( 'file' === $this->_config->get_string( 'objectcache.engine' ) ) {
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| 			add_action( 'w3_objectcache_cleanup', array( $this, 'cleanup' ) );
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| 		}
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| 
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| 		add_action( 'save_post', array( $this, 'on_post_change' ), 0, 2 );
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| 		add_action( 'delete_post', array( $this, 'on_post_change' ), 0, 2 );
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| 
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| 		add_action( 'comment_post', array( $this, 'on_comment_change' ), 0 );
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| 		add_action( 'edit_comment', array( $this, 'on_comment_change' ), 0 );
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| 		add_action( 'delete_comment', array( $this, 'on_comment_change' ), 0 );
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| 		add_action( 'wp_set_comment_status', array( $this, 'on_comment_status' ), 0, 2 );
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| 		add_action( 'trackback_post', array( $this, 'on_comment_change' ), 0 );
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| 		add_action( 'pingback_post', array( $this, 'on_comment_change' ), 0 );
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| 
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| 		add_action( 'switch_theme', array( $this, 'on_change' ), 0 );
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| 
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| 		add_action( 'updated_option', array( $this, 'on_change_option' ), 0, 1 );
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| 		add_action( 'added_option', array( $this, 'on_change_option' ), 0, 1 );
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| 		add_action( 'delete_option', array( $this, 'on_change_option' ), 0, 1 );
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| 
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| 		add_action( 'edit_user_profile_update', array( $this, 'on_change_profile' ), 0 );
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| 
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| 		add_filter( 'w3tc_admin_bar_menu', array( $this, 'w3tc_admin_bar_menu' ) );
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| 
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| 		// usage statistics handling.
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| 		add_action( 'w3tc_usage_statistics_of_request', array( $this, 'w3tc_usage_statistics_of_request' ), 10, 1 );
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| 		add_filter( 'w3tc_usage_statistics_metrics', array( $this, 'w3tc_usage_statistics_metrics' ) );
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| 		add_filter( 'w3tc_usage_statistics_sources', array( $this, 'w3tc_usage_statistics_sources' ) );
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| 
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| 		if ( Util_Environment::is_wpmu() ) {
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| 			add_action( 'delete_blog', array( $this, 'on_change' ), 0 );
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| 			add_action( 'switch_blog', array( $this, 'switch_blog' ), 0, 2 );
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| 		}
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| 	}
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| 
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| 	/**
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| 	 * Does disk cache cleanup
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| 	 *
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| 	 * @return void
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| 	 */
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| 	public function cleanup() {
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| 		$w3_cache_file_cleaner = new Cache_File_Cleaner(
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| 			array(
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| 				'cache_dir'       => Util_Environment::cache_blog_dir( 'object' ),
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| 				'clean_timelimit' => $this->_config->get_integer( 'timelimit.cache_gc' ),
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| 			)
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| 		);
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| 
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| 		$w3_cache_file_cleaner->clean();
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| 	}
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| 
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| 	/**
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| 	 * Cron schedules filter
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| 	 *
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| 	 * @param array $schedules Schedules.
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| 	 *
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| 	 * @return array
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| 	 */
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| 	public function cron_schedules( $schedules ) {
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| 		$gc = $this->_config->get_integer( 'objectcache.file.gc' );
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| 
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| 		return array_merge(
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| 			$schedules,
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| 			array(
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| 				'w3_objectcache_cleanup' => array(
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| 					'interval' => $gc,
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| 					'display'  => sprintf(
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| 						// translators: 1 interval in seconds.
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| 						__( '[W3TC] Object Cache file GC (every %d seconds)', 'w3-total-cache' ),
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| 						$gc
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| 					),
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| 				),
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| 			)
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| 		);
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| 	}
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| 
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| 	/**
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| 	 * Change action
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| 	 */
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| 	public function on_change() {
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| 		if ( ! self::$flushed ) {
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| 			$flush = Dispatcher::component( 'CacheFlush' );
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| 			$flush->objectcache_flush();
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| 			self::$flushed = true;
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| 		}
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| 	}
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| 
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| 	/**
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| 	 * Change post action
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| 	 *
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| 	 * @param integer $post_id Post ID.
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| 	 * @param mixed   $post Post.
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| 	 */
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| 	public function on_post_change( $post_id = 0, $post = null ) {
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| 		if ( ! self::$flushed ) {
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| 			if ( is_null( $post ) ) {
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| 				$post = $post_id;
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| 			}
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| 
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| 			if ( $post_id > 0 && ! Util_Environment::is_flushable_post( $post, 'objectcache', $this->_config ) ) {
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| 				return;
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| 			}
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| 
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| 			$flush = Dispatcher::component( 'CacheFlush' );
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| 			$flush->objectcache_flush();
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| 			self::$flushed = true;
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| 		}
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| 	}
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| 
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| 	/**
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| 	 * Change action
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| 	 *
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| 	 * @param string $option Option key.
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| 	 */
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| 	public function on_change_option( $option ) {
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| 		if ( 'cron' === $option ) {
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| 			wp_cache_delete( $option );
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| 		}
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| 
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| 		$do_flush = defined( 'WP_ADMIN' )
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| 			|| $this->_config->get_boolean( 'cluster.messagebus.enabled' )
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| 			|| $this->_config->get_boolean( 'objectcache.purge.all' );
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| 
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| 		if ( ! self::$flushed && $do_flush ) {
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| 			$flush = Dispatcher::component( 'CacheFlush' );
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| 			$flush->objectcache_flush();
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| 			self::$flushed = true;
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| 		}
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| 	}
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| 
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| 	/**
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| 	 * Flush cache when user profile is updated
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| 	 *
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| 	 * @param integer $user_id User ID.
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| 	 */
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| 	public function on_change_profile( $user_id ) {
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| 		if ( ! self::$flushed ) {
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| 			if ( Util_Environment::is_wpmu() ) {
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| 				$blogs = get_blogs_of_user( $user_id, true );
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| 				if ( $blogs ) {
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| 					global $w3_multisite_blogs;
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| 					$w3_multisite_blogs = $blogs;
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| 				}
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| 			}
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| 
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| 			$flush = Dispatcher::component( 'CacheFlush' );
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| 			$flush->objectcache_flush();
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| 
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| 			self::$flushed = true;
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| 		}
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| 	}
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| 
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| 	/**
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| 	 * Switch blog action
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| 	 *
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| 	 * @param integer $blog_id Blog ID.
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| 	 * @param integer $previous_blog_id Previous Blog ID.
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| 	 */
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| 	public function switch_blog( $blog_id, $previous_blog_id ) {
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| 		$o = Dispatcher::component( 'ObjectCache_WpObjectCache_Regular' );
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| 		$o->switch_blog( $blog_id );
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| 	}
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| 
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| 
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| 	/**
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| 	 * Comment change action
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| 	 *
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| 	 * @param integer $comment_id Comment ID.
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| 	 */
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| 	public function on_comment_change( $comment_id ) {
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| 		$post_id = 0;
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| 
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| 		if ( $comment_id ) {
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| 			$comment = get_comment( $comment_id, ARRAY_A );
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| 			$post_id = ( ! empty( $comment['comment_post_ID'] ) ? (int) $comment['comment_post_ID'] : 0 );
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| 		}
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| 
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| 		$this->on_post_change( $post_id );
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| 	}
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| 
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| 	/**
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| 	 * Comment status action fired immediately after transitioning a comment’s status from one to another
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| 	 * in the database and removing the comment from the object cache, but prior to all status transition hooks.
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| 	 *
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| 	 * @link https://developer.wordpress.org/reference/functions/wp_set_comment_status/
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| 	 *
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| 	 * @param integer $comment_id Comment ID.
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| 	 * @param string  $status Status.
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| 	 */
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| 	public function on_comment_status( $comment_id, $status ) {
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| 		$this->on_comment_change( $comment_id );
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| 	}
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| 
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| 	/**
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| 	 * Setup admin menu elements
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| 	 *
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| 	 * @param array $menu_items Menu items.
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| 	 */
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| 	public function w3tc_admin_bar_menu( $menu_items ) {
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| 		$menu_items['20410.objectcache'] = array(
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| 			'id'     => 'w3tc_flush_objectcache',
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| 			'parent' => 'w3tc_flush',
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| 			'title'  => __( 'Object Cache', 'w3-total-cache' ),
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| 			'href'   => wp_nonce_url( admin_url( 'admin.php?page=w3tc_dashboard&w3tc_flush_objectcache' ), 'w3tc' ),
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| 		);
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| 
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| 		return $menu_items;
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| 	}
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| 
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| 	/**
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| 	 * Setup admin menu elements
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| 	 *
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| 	 * @param array $strings Strings.
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| 	 */
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| 	public function w3tc_footer_comment( $strings ) {
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| 		$o       = Dispatcher::component( 'ObjectCache_WpObjectCache_Regular' );
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| 		$strings = $o->w3tc_footer_comment( $strings );
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| 
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| 		return $strings;
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| 	}
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| 
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| 	/**
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| 	 * Usage statistics of request filter
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| 	 *
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| 	 * @param object $storage Storage object.
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| 	 */
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| 	public function w3tc_usage_statistics_of_request( $storage ) {
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| 		$o = Dispatcher::component( 'ObjectCache_WpObjectCache_Regular' );
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| 		$o->w3tc_usage_statistics_of_request( $storage );
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| 	}
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| 
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| 	/**
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| 	 * Retrive usage statistics metrics
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| 	 *
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| 	 * @param array $metrics Metrics.
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| 	 */
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| 	public function w3tc_usage_statistics_metrics( $metrics ) {
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| 		$metrics = array_merge(
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| 			$metrics,
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| 			array(
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| 				'objectcache_get_total',
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| 				'objectcache_get_hits',
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| 				'objectcache_sets',
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| 				'objectcache_flushes',
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| 				'objectcache_time_ms',
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| 			)
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| 		);
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| 
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| 		return $metrics;
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| 	}
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| 
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| 	/**
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| 	 * Usage Statisitcs sources filter.
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| 	 *
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| 	 * @param array $sources Sources.
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| 	 *
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| 	 * @return array
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| 	 */
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| 	public function w3tc_usage_statistics_sources( $sources ) {
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| 		$c = Dispatcher::config();
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| 		if ( 'apc' === $c->get_string( 'objectcache.engine' ) ) {
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| 			$sources['apc_servers']['objectcache'] = array(
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| 				'name' => __( 'Object Cache', 'w3-total-cache' ),
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| 			);
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| 		} elseif ( 'memcached' === $c->get_string( 'objectcache.engine' ) ) {
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| 			$sources['memcached_servers']['objectcache'] = array(
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| 				'servers'         => $c->get_array( 'objectcache.memcached.servers' ),
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| 				'username'        => $c->get_string( 'objectcache.memcached.username' ),
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| 				'password'        => $c->get_string( 'objectcache.memcached.password' ),
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| 				'binary_protocol' => $c->get_boolean( 'objectcache.memcached.binary_protocol' ),
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| 				'name'            => __( 'Object Cache', 'w3-total-cache' ),
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| 			);
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| 		} elseif ( 'redis' === $c->get_string( 'objectcache.engine' ) ) {
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| 			$sources['redis_servers']['objectcache'] = array(
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| 				'servers'                 => $c->get_array( 'objectcache.redis.servers' ),
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| 				'verify_tls_certificates' => $c->get_boolean( 'objectcache.redis.verify_tls_certificates' ),
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| 				'username'                => $c->get_boolean( 'objectcache.redis.username' ),
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| 				'dbid'                    => $c->get_integer( 'objectcache.redis.dbid' ),
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| 				'password'                => $c->get_string( 'objectcache.redis.password' ),
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| 				'name'                    => __( 'Object Cache', 'w3-total-cache' ),
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| 			);
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| 		}
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| 
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| 		return $sources;
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| 	}
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| }
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