| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | require_once dirname( __FILE__ ) . '/class.jetpack-sync-settings.php'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * The role of this class is to hook the Sync subsystem into WordPress - when to listen for actions, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * when to send, when to perform a full sync, etc. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * It also binds the action to send data to WPCOM to Jetpack's XMLRPC client object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | class Jetpack_Sync_Actions { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | 	static $sender = null; | 
                            
                    |  |  |  | 
                                                                                        
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                | 12 |  |  | 	static $listener = null; | 
                            
                    |  |  |  | 
                                                                                        
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                | 13 |  |  | 	const MAX_INITIAL_SYNC_USERS = 500; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | 	static function init() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | 		 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | 		// Add a custom "every minute" cron schedule | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | 		add_filter( 'cron_schedules', array( __CLASS__, 'minute_cron_schedule' ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | 		// On jetpack authorization, schedule a full sync | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | 		add_action( 'jetpack_client_authorized', array( __CLASS__, 'schedule_full_sync' ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | 		 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | 		// When imports are finished, schedule a full sync | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | 		add_action( 'import_end', array( __CLASS__, 'schedule_full_sync' ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | 		// When importing via cron, do not sync | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | 		add_action( 'wp_cron_importer_hook', array( __CLASS__, 'set_is_importing_true' ), 1 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 		// Sync connected user role changes to .com | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | 		require_once dirname( __FILE__ ) . '/class.jetpack-sync-users.php'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 		// everything below this point should only happen if we're a valid sync site | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 		if ( ! self::sync_allowed() ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 			return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 		// cron hooks | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | 		add_action( 'jetpack_sync_send_db_checksum', array( __CLASS__, 'send_db_checksum' ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 		add_action( 'jetpack_sync_full', array( __CLASS__, 'do_full_sync' ), 10, 1 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 		add_action( 'jetpack_sync_cron', array( __CLASS__, 'do_cron_sync' ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | 		if ( ! wp_next_scheduled( 'jetpack_sync_send_db_checksum' ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 			// Schedule a job to send DB checksums once an hour | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | 			wp_schedule_event( time(), 'hourly', 'jetpack_sync_send_db_checksum' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 		if ( ! wp_next_scheduled( 'jetpack_sync_cron' ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 			// Schedule a job to send pending queue items once a minute | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 			wp_schedule_event( time(), '1min', 'jetpack_sync_cron' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 		/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 		 * Fires on every request before default loading sync listener code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 		 * Return false to not load sync listener code that monitors common | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 		 * WP actions to be serialized. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 		 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | 		 * By default this returns true for non-GET-requests, or requests where the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 		 * user is logged-in. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 		 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 		 * @since 4.2.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 		 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 		 * @param bool should we load sync listener code for this request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 		 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 		if ( apply_filters( 'jetpack_sync_listener_should_load', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 			( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 				'GET' !== $_SERVER['REQUEST_METHOD'] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 				|| | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 				is_user_logged_in() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 				|| | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 				defined( 'PHPUNIT_JETPACK_TESTSUITE' ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 			) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 		) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 			self::initialize_listener(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 		/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 		 * Fires on every request before default loading sync sender code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 		 * Return false to not load sync sender code that serializes pending | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 		 * data and sends it to WPCOM for processing. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 		 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 		 * By default this returns true for POST requests, admin requests, or requests | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | 		 * by users who can manage_options. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 		 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | 		 * @since 4.2.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 		 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 		 * @param bool should we load sync sender code for this request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  | 		 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 		if ( apply_filters( 'jetpack_sync_sender_should_load', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 			( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 				'POST' === $_SERVER['REQUEST_METHOD'] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 				|| | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | 				current_user_can( 'manage_options' ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 				|| | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 				is_admin() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 				|| | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 				defined( 'PHPUNIT_JETPACK_TESTSUITE' ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 			) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | 		) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 			self::initialize_sender(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 			add_action( 'shutdown', array( self::$sender, 'do_sync' ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 	static function sync_allowed() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 		return ( ! Jetpack_Sync_Settings::get_setting( 'disable' ) && Jetpack::is_active() && ! ( Jetpack::is_development_mode() || Jetpack::is_staging_site() ) ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 			   || defined( 'PHPUNIT_JETPACK_TESTSUITE' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 	static function set_is_importing_true() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | 		Jetpack_Sync_Settings::set_importing( true ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  | 	static function send_data( $data, $codec_name, $sent_timestamp, $queue_id ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 		Jetpack::load_xml_rpc_client(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 		$url = add_query_arg( array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 			'sync'      => '1', // add an extra parameter to the URL so we can tell it's a sync action | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  | 			'codec'     => $codec_name, // send the name of the codec used to encode the data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 			'timestamp' => $sent_timestamp, // send current server time so we can compensate for clock differences | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  | 			'queue'     => $queue_id, // sync or full_sync | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 		), Jetpack::xmlrpc_api_url() ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  | 		$rpc = new Jetpack_IXR_Client( array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 			'url'     => $url, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  | 			'user_id' => JETPACK_MASTER_USER, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  | 			'timeout' => 30, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 		) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  | 		$result = $rpc->query( 'jetpack.syncActions', $data ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  | 		if ( ! $result ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | 			return $rpc->get_jetpack_error(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  | 		return $rpc->getResponse(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  | 	static function get_initial_sync_user_config() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  | 		$user_query = new WP_User_Query( array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  | 			'who'    => 'authors', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | 			'fields' => 'ID', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  | 			'number' => self::MAX_INITIAL_SYNC_USERS + 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | 		) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | 		if ( $user_query->get_total() >= self::MAX_INITIAL_SYNC_USERS ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  | 			return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  | 		return $user_query->get_results(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  | 	static function schedule_initial_sync() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  | 		// we need this function call here because we have to run this function | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  | 		// reeeeally early in init, before WP_CRON_LOCK_TIMEOUT is defined. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  | 		wp_functionality_constants(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  | 		self::schedule_full_sync( array( 'options' => true, 'network_options' => true, 'functions' => true, 'constants' => true, 'users' => self::get_initial_sync_user_config() ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  | 	static function schedule_full_sync( $modules = null ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  | 		if ( ! self::sync_allowed() ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  | 			return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  | 		if ( $modules ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  | 			wp_schedule_single_event( time() + 1, 'jetpack_sync_full', array( $modules ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  | 		} else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  | 			wp_schedule_single_event( time() + 1, 'jetpack_sync_full' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  | 		spawn_cron(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  | 		return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  | 	static function is_scheduled_full_sync( $modules = null ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  | 		if ( is_null( $modules ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  | 			$crons = _get_cron_array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  | 			 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  | 			foreach ( $crons as $timestamp => $cron ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  | 				if ( ! empty( $cron['jetpack_sync_full'] ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  | 					return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  | 			return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  | 		return wp_next_scheduled( 'jetpack_sync_full', array( $modules ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  | 	static function do_full_sync( $modules = null ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  | 		if ( ! self::sync_allowed() ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  | 			return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  | 		self::initialize_listener(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  | 		Jetpack_Sync_Modules::get_module( 'full-sync' )->start( $modules ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  | 		self::do_cron_sync(); // immediately run a cron sync, which sends pending data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  | 	static function minute_cron_schedule( $schedules ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  | 		if( ! isset( $schedules["1min"] ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  | 			$schedules["1min"] = array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  | 				'interval' => 60, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  | 				'display' => __( 'Every minute' )  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  | 			); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  | 		return $schedules; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  | 	// try to send actions until we run out of things to send, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  | 	// or have to wait more than 15s before sending again, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  | 	// or we hit a lock or some other sending issue | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  | 	static function do_cron_sync() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  | 		if ( ! self::sync_allowed() ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  | 			return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  | 		self::initialize_sender(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  | 		 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  | 		// remove shutdown hook - no need to sync twice | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  | 		if ( has_action( 'shutdown', array( self::$sender, 'do_sync' ) ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  | 			remove_action( 'shutdown', array( self::$sender, 'do_sync' ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  | 		do { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  | 			$next_sync_time = self::$sender->get_next_sync_time(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  | 			 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  | 			if ( $next_sync_time ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  | 				$delay = $next_sync_time - time() + 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  | 				if ( $delay > 15 ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  | 					break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  | 				} elseif ( $delay > 0 ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  | 					sleep( $delay ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  | 			$result = self::$sender->do_sync(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  | 		} while ( $result ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  | 	} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 241 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 242 |  |  | 	static function send_db_checksum() { | 
            
                                                                        
                            
            
                                    
            
            
                | 243 |  |  | 		self::initialize_listener(); | 
            
                                                                        
                            
            
                                    
            
            
                | 244 |  |  | 		self::initialize_sender(); | 
            
                                                                        
                            
            
                                    
            
            
                | 245 |  |  | 		self::$sender->send_checksum(); | 
            
                                                                        
                            
            
                                    
            
            
                | 246 |  |  | 		self::$sender->do_sync(); | 
            
                                                                        
                            
            
                                    
            
            
                | 247 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  | 	static function initialize_listener() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  | 		require_once dirname( __FILE__ ) . '/class.jetpack-sync-listener.php'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  | 		self::$listener = Jetpack_Sync_Listener::get_instance(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  | 	static function initialize_sender() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  | 		require_once dirname( __FILE__ ) . '/class.jetpack-sync-sender.php'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  | 		self::$sender = Jetpack_Sync_Sender::get_instance(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  | 		// bind the sending process | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  | 		add_filter( 'jetpack_sync_send_data', array( __CLASS__, 'send_data' ), 10, 4 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  | // Allow other plugins to add filters before we initialize the actions. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  | // Load the listeners if before modules get loaded so that we can capture version changes etc. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  | add_action( 'init', array( 'Jetpack_Sync_Actions', 'init' ), 90 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  | // We need to define this here so that it's hooked before `updating_jetpack_version` is called | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 268 |  |  | add_action( 'updating_jetpack_version', array( 'Jetpack_Sync_Actions', 'schedule_initial_sync' ), 10 ); | 
            
                                                        
            
                                    
            
            
                | 269 |  |  |  | 
            
                        
The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using
the property is implicitly global.
To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.