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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Webhook controller  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author    Pronamic <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright 2005-2021 Pronamic  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license   GPL-3.0-or-later  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package   Pronamic\WordPress\Pay\Gateways\OmniKassa2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Pronamic\WordPress\Pay\Gateways\OmniKassa2;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Pronamic\WordPress\Pay\GatewayPostType;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Pronamic\WordPress\Pay\Plugin;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Webhook controller  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author  Remco Tolsma  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @version 2.3.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since   2.3.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class WebhookController { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Setup.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function setup() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		\add_action( 'rest_api_init', array( $this, 'rest_api_init' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		\add_action( 'wp_loaded', array( $this, 'wp_loaded' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * REST API init.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @link https://developer.wordpress.org/rest-api/extending-the-rest-api/adding-custom-endpoints/  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @link https://developer.wordpress.org/reference/hooks/rest_api_init/  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return void  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function rest_api_init() { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		\register_rest_route(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			Integration::REST_ROUTE_NAMESPACE,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			'/webhook',  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			array(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                				'methods'             => 'POST',  | 
            
            
                                                                        
                            
            
                                    
            
            
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                				'callback'            => array( $this, 'rest_api_omnikassa_2_webhook' ),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                				'permission_callback' => '__return_true',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * REST API OmniKassa 2.0 webhook handler.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param \WP_REST_Request $request Request.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return object  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function rest_api_omnikassa_2_webhook( \WP_REST_Request $request ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// Input.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$json = $request->get_body();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$notification = Notification::from_json( $json );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} catch ( \JsonSchema\Exception\ValidationException $e ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			// Invalid input data.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return new \WP_Error(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'rest_omnikassa_2_notification_invalid',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				\__( 'Invalid OmniKassa 2.0 notification.', 'pronamic_ideal ' ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'status'       => 400,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'notification' => $json,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// Query.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$query = new \WP_Query(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'post_type'   => GatewayPostType::POST_TYPE,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'post_status' => 'publish',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'nopaging'    => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'meta_query'  => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						'key'   => '_pronamic_gateway_id',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						'value' => 'rabobank-omnikassa-2',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		foreach ( $query->posts as $post ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$gateway = Plugin::get_gateway( $post->ID );  | 
            
                            
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                			if ( $gateway instanceof Gateway ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					$gateway->handle_notification( $notification );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				} catch ( \Exception $e ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					continue;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// Response.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$response = new \WP_REST_Response( array( 'success' => true ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$response->add_link( 'self', \rest_url( $request->get_route() ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $response;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * WordPress loaded, check for deprecated webhook call.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @link https://github.com/WordPress/WordPress/blob/5.3/wp-includes/rest-api.php#L277-L309  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function wp_loaded() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( ! \filter_has_var( \INPUT_GET, 'omnikassa2_webhook' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		\rest_get_server()->serve_request( '/pronamic-pay/omnikassa-2/v1/webhook' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		exit;  | 
            
                            
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                	}  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks for function or method calls that always return null and whose return value is assigned to a variable.
The method
getObject()can return nothing but null, so it makes no sense to assign that value to a variable.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.