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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Jetpack sync debug helper class  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package jetpack  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                defined( 'JETPACK__API_BASE' ) || define( 'JETPACK__API_BASE', get_option( Jetpack_Sync_Debug_Helper::API_BASE, 'https://jetpack.wordpress.com/jetpack.' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                Jetpack_Sync_Debug_Helper::init();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                register_deactivation_hook( JETPACK_DEBUG_HELPER_BASE_PLUGIN_FILE, array( 'Jetpack_Sync_Debug_Helper', 'deactivate' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Helps debug sync errors  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Jetpack_Sync_Debug_Helper { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	const API_BASE        = 'jetpack_debugger_api_base';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	const LAST_SYNC_ERROR = 'jetpack_debugger_last_sync_error';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Saved error  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var boolean  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static $saved_error = false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Init hooks  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function init() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// allows us to set the value via the api.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		add_filter( 'jetpack_options_whitelist', array( 'Jetpack_Sync_Debug_Helper', 'whitelist_options' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		add_filter( 'jetpack_sync_send_data', array( 'Jetpack_Sync_Debug_Helper', 'pre_send' ), 8, 4 );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		add_filter( 'jetpack_sync_send_data', array( 'Jetpack_Sync_Debug_Helper', 'store_sync_error' ), 11, 4 );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Deactivation hook  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function deactivate() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		delete_option( self::API_BASE );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		delete_option( self::LAST_SYNC_ERROR );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Pre send  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param array  $data The action buffer.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $codec_name The codec name used to encode the data.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param double $sent_timestamp The current time.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $queue_id The queue used to send ('sync' or 'full_sync'). | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return array  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public static function pre_send( $data, $codec_name, $sent_timestamp, $queue_id ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		if ( empty( $data ) ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			update_option(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                				self::LAST_SYNC_ERROR,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                				array(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                					'error_code' => 'pre_empty',  | 
            
            
                                                                        
                            
            
                                    
            
            
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                					'queue'      => $queue_id,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                					'timestamp'  => $sent_timestamp,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                					'codec'      => $codec_name,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                				)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			self::$saved_error = true;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		return $data;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Pre send  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param array  $data The action buffer.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $codec_name The codec name used to encode the data.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param double $sent_timestamp The current time.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $queue_id The queue used to send ('sync' or 'full_sync'). | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function store_sync_error( $data, $codec_name, $sent_timestamp, $queue_id ) { | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                		if ( isset( $data['error_code'] ) && ! self::$saved_error ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			update_option(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				self::LAST_SYNC_ERROR,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'error_code' => $data['error_code'],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'queue'      => $queue_id,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'timestamp'  => $sent_timestamp,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'codec'      => $codec_name,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                		if ( empty( $data ) && ! self::$saved_error ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			update_option(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				self::LAST_SYNC_ERROR,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'error_code' => 'empty',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'queue'      => $queue_id,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'timestamp'  => $sent_timestamp,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'codec'      => $codec_name,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $data;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Whitelist synced options  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param array $options options.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function whitelist_options( $options ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return array_merge(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$options,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				self::API_BASE,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				self::LAST_SYNC_ERROR,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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