1: <?php
 2: /**
 3:  * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
 4:  * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
 5:  *
 6:  * Licensed under The MIT License
 7:  * For full copyright and license information, please see the LICENSE.txt
 8:  * Redistributions of files must retain the above copyright notice.
 9:  *
10:  * @copyright     Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
11:  * @link          https://cakephp.org CakePHP(tm) Project
12:  * @since         3.0.0
13:  * @license       https://opensource.org/licenses/mit-license.php MIT License
14:  */
15: namespace Cake\Routing\Filter;
16: 
17: use Cake\Event\Event;
18: use Cake\Routing\DispatcherFilter;
19: use Cake\Routing\Exception\RedirectException;
20: use Cake\Routing\Router;
21: 
22: /**
23:  * A dispatcher filter that applies routing rules to the request.
24:  *
25:  * This filter will call Router::parse() when the request has no controller
26:  * parameter defined.
27:  */
28: class RoutingFilter extends DispatcherFilter
29: {
30:     /**
31:      * Priority setting.
32:      *
33:      * This filter is normally fired last just before the request
34:      * is dispatched.
35:      *
36:      * @var int
37:      */
38:     protected $_priority = 10;
39: 
40:     /**
41:      * Applies Routing and additionalParameters to the request to be dispatched.
42:      * If Routes have not been loaded they will be loaded, and config/routes.php will be run.
43:      *
44:      * @param \Cake\Event\Event $event containing the request, response and additional params
45:      * @return \Cake\Http\Response|null A response will be returned when a redirect route is encountered.
46:      */
47:     public function beforeDispatch(Event $event)
48:     {
49:         /* @var \Cake\Http\ServerRequest $request */
50:         $request = $event->getData('request');
51:         if (Router::getRequest(true) !== $request) {
52:             Router::setRequestInfo($request);
53:         }
54: 
55:         try {
56:             if (!$request->getParam('controller')) {
57:                 $params = Router::parseRequest($request);
58:                 $request->addParams($params);
59:             }
60: 
61:             return null;
62:         } catch (RedirectException $e) {
63:             $event->stopPropagation();
64:             /* @var \Cake\Http\Response $response */
65:             $response = $event->getData('response');
66:             $response = $response->withStatus($e->getCode())
67:                 ->withLocation($e->getMessage());
68: 
69:             return $response;
70:         }
71:     }
72: }
73: