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Jetpack_Sync_Actions::send_db_checksum()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 6
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 5
c 0
b 0
f 0
nc 1
nop 0
dl 0
loc 6
rs 9.4285
1
<?php
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require_once dirname( __FILE__ ) . '/class.jetpack-sync-settings.php';
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/**
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 * The role of this class is to hook the Sync subsystem into WordPress - when to listen for actions,
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 * when to send, when to perform a full sync, etc.
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 *
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 * It also binds the action to send data to WPCOM to Jetpack's XMLRPC client object.
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 */
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class Jetpack_Sync_Actions {
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	static $sender = null;
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The visibility should be declared for property $sender.

The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using

class A {
    var $property;
}

the property is implicitly global.

To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.

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12
	static $listener = null;
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Coding Style introduced by
The visibility should be declared for property $listener.

The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using

class A {
    var $property;
}

the property is implicitly global.

To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.

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13
	const INITIAL_SYNC_MULTISITE_INTERVAL = 10;
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	static function init() {
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		// Add a custom "every minute" cron schedule
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		add_filter( 'cron_schedules', array( __CLASS__, 'minute_cron_schedule' ) );
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		// On jetpack authorization, schedule a full sync
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		add_action( 'jetpack_client_authorized', array( __CLASS__, 'schedule_full_sync' ) );
22
		
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		// When imports are finished, schedule a full sync
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		add_action( 'import_end', array( __CLASS__, 'schedule_full_sync' ) );
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		// When importing via cron, do not sync
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		add_action( 'wp_cron_importer_hook', array( __CLASS__, 'set_is_importing_true' ), 1 );
28
29
		// Sync connected user role changes to .com
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		require_once dirname( __FILE__ ) . '/class.jetpack-sync-users.php';
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		// everything below this point should only happen if we're a valid sync site
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		if ( ! self::sync_allowed() ) {
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			return;
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		}
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37
		// publicize filter to prevent publicizing blacklisted post types
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		add_filter( 'publicize_should_publicize_published_post', array( __CLASS__, 'prevent_publicize_blacklisted_posts' ), 10, 2 );
39
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		// cron hooks
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		add_action( 'jetpack_sync_full', array( __CLASS__, 'do_full_sync' ), 10, 1 );
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		add_action( 'jetpack_sync_cron', array( __CLASS__, 'do_cron_sync' ) );
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		if ( ! wp_next_scheduled( 'jetpack_sync_cron' ) ) {
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			// Schedule a job to send pending queue items once a minute
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			wp_schedule_event( time(), '1min', 'jetpack_sync_cron' );
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		}
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		/**
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		 * Fires on every request before default loading sync listener code.
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		 * Return false to not load sync listener code that monitors common
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		 * WP actions to be serialized.
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		 *
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		 * By default this returns true for non-GET-requests, or requests where the
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		 * user is logged-in.
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		 *
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		 * @since 4.2.0
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		 *
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		 * @param bool should we load sync listener code for this request
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		 */
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		if ( apply_filters( 'jetpack_sync_listener_should_load',
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			(
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				'GET' !== $_SERVER['REQUEST_METHOD']
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				||
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				is_user_logged_in()
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				||
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				defined( 'PHPUNIT_JETPACK_TESTSUITE' )
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			)
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		) ) {
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			self::initialize_listener();
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		}
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		/**
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		 * Fires on every request before default loading sync sender code.
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		 * Return false to not load sync sender code that serializes pending
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		 * data and sends it to WPCOM for processing.
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		 *
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		 * By default this returns true for POST requests, admin requests, or requests
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		 * by users who can manage_options.
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		 *
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		 * @since 4.2.0
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		 *
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		 * @param bool should we load sync sender code for this request
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		 */
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		if ( apply_filters( 'jetpack_sync_sender_should_load',
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			(
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				'POST' === $_SERVER['REQUEST_METHOD']
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				||
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				current_user_can( 'manage_options' )
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				||
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				is_admin()
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				||
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				defined( 'PHPUNIT_JETPACK_TESTSUITE' )
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			)
95
		) ) {
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			self::initialize_sender();
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			add_action( 'shutdown', array( self::$sender, 'do_sync' ) );
98
		}
99
100
	}
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	static function sync_allowed() {
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		return ( ! Jetpack_Sync_Settings::get_setting( 'disable' ) && Jetpack::is_active() && ! ( Jetpack::is_development_mode() || Jetpack::is_staging_site() ) )
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			   || defined( 'PHPUNIT_JETPACK_TESTSUITE' );
105
	}
106
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	static function prevent_publicize_blacklisted_posts( $should_publicize, $post ) {
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		if ( in_array( $post->post_type, Jetpack_Sync_Settings::get_setting( 'post_types_blacklist' ) ) ) {
109
			return false;
110
		}
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		return $should_publicize;
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	}
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	static function set_is_importing_true() {
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		Jetpack_Sync_Settings::set_importing( true );
117
	}
118
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	static function send_data( $data, $codec_name, $sent_timestamp, $queue_id ) {
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		Jetpack::load_xml_rpc_client();
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		$url = add_query_arg( array(
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			'sync'      => '1', // add an extra parameter to the URL so we can tell it's a sync action
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			'codec'     => $codec_name, // send the name of the codec used to encode the data
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			'timestamp' => $sent_timestamp, // send current server time so we can compensate for clock differences
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			'queue'     => $queue_id, // sync or full_sync
127
		), Jetpack::xmlrpc_api_url() );
128
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		$rpc = new Jetpack_IXR_Client( array(
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			'url'     => $url,
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			'user_id' => JETPACK_MASTER_USER,
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			'timeout' => 30,
133
		) );
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		$result = $rpc->query( 'jetpack.syncActions', $data );
136
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		if ( ! $result ) {
138
			return $rpc->get_jetpack_error();
139
		}
140
141
		return $rpc->getResponse();
142
	}
143
144
	static function schedule_initial_sync() {
145
		// we need this function call here because we have to run this function
146
		// reeeeally early in init, before WP_CRON_LOCK_TIMEOUT is defined.
147
		wp_functionality_constants();
148
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		if ( is_multisite() ) {
150
			// stagger initial syncs for multisite blogs so they don't all pile on top of each other
151
			$time_offset = ( rand() / getrandmax() ) * self::INITIAL_SYNC_MULTISITE_INTERVAL * get_blog_count();
152
		} else {
153
			$time_offset = 1;
154
		}
155
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		self::schedule_full_sync( 
157
			array( 
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				'options' => true, 
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				'network_options' => true, 
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				'functions' => true, 
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				'constants' => true, 
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				'users' => 'initial' 
163
			),
164
			$time_offset
165
		);
166
	}
167
168
	static function schedule_full_sync( $modules = null, $time_offset = 1 ) {
169
		if ( ! self::sync_allowed() ) {
170
			return false;
171
		}
172
173
		if ( self::is_scheduled_full_sync() ) {
174
			self::unschedule_all_full_syncs();
175
		}
176
177
		if ( $modules ) {
178
			wp_schedule_single_event( time() + $time_offset, 'jetpack_sync_full', array( $modules ) );
179
		} else {
180
			wp_schedule_single_event( time() + $time_offset, 'jetpack_sync_full' );
181
		}
182
183
		if ( $time_offset === 1 ) {
184
			spawn_cron();
185
		}
186
187
		return true;
188
	}
189
190
	static function unschedule_all_full_syncs() {
191
		foreach ( _get_cron_array() as $timestamp => $cron ) {
192
			if ( ! empty( $cron['jetpack_sync_full'] ) ) {
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				foreach( $cron['jetpack_sync_full'] as $key => $config ) {
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					wp_unschedule_event( $timestamp, 'jetpack_sync_full', $config['args'] );
195
				}
196
			}
197
		}
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	}
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	static function is_scheduled_full_sync( $modules = null ) {
201
		if ( is_null( $modules ) ) {
202
			$crons = _get_cron_array();
203
			
204
			foreach ( $crons as $timestamp => $cron ) {
205
				if ( ! empty( $cron['jetpack_sync_full'] ) ) {
206
					return true;
207
				}
208
			}
209
			return false;
210
		}
211
212
		return wp_next_scheduled( 'jetpack_sync_full', array( $modules ) );
213
	}
214
215
	static function do_full_sync( $modules = null ) {
216
		if ( ! self::sync_allowed() ) {
217
			return;
218
		}
219
220
		self::initialize_listener();
221
		Jetpack_Sync_Modules::get_module( 'full-sync' )->start( $modules );
222
		self::do_cron_sync(); // immediately run a cron sync, which sends pending data
223
	}
224
225
	static function minute_cron_schedule( $schedules ) {
226
		if( ! isset( $schedules["1min"] ) ) {
227
			$schedules["1min"] = array(
228
				'interval' => 60,
229
				'display' => __( 'Every minute' ) 
230
			);
231
		}
232
		return $schedules;
233
	}
234
235
	// try to send actions until we run out of things to send,
236
	// or have to wait more than 15s before sending again,
237
	// or we hit a lock or some other sending issue
238
	static function do_cron_sync() {
239
		if ( ! self::sync_allowed() ) {
240
			return;
241
		}
242
243
		self::initialize_sender();
244
		
245
		// remove shutdown hook - no need to sync twice
246
		if ( has_action( 'shutdown', array( self::$sender, 'do_sync' ) ) ) {
247
			remove_action( 'shutdown', array( self::$sender, 'do_sync' ) );
248
		}
249
250
		do {
251
			$next_sync_time = self::$sender->get_next_sync_time();
252
			
253
			if ( $next_sync_time ) {
254
				$delay = $next_sync_time - time() + 1;
255
				if ( $delay > 15 ) {
256
					break;
257
				} elseif ( $delay > 0 ) {
258
					sleep( $delay );
259
				}
260
			}
261
262
			$result = self::$sender->do_sync();
263
		} while ( $result );
264
	}
265
266
	static function initialize_listener() {
267
		require_once dirname( __FILE__ ) . '/class.jetpack-sync-listener.php';
268
		self::$listener = Jetpack_Sync_Listener::get_instance();
269
	}
270
271
	static function initialize_sender() {
272
		require_once dirname( __FILE__ ) . '/class.jetpack-sync-sender.php';
273
		self::$sender = Jetpack_Sync_Sender::get_instance();
274
275
		// bind the sending process
276
		add_filter( 'jetpack_sync_send_data', array( __CLASS__, 'send_data' ), 10, 4 );
277
	}
278
}
279
280
// Allow other plugins to add filters before we initialize the actions.
281
// Load the listeners if before modules get loaded so that we can capture version changes etc.
282
add_action( 'init', array( 'Jetpack_Sync_Actions', 'init' ), 90 );
283
284
// We need to define this here so that it's hooked before `updating_jetpack_version` is called
285
add_action( 'updating_jetpack_version', array( 'Jetpack_Sync_Actions', 'schedule_initial_sync' ), 10 );
286