Raphaël G. Git Repositories - userbundle/blob - Handler/LogoutSuccessHandler.php

   1 <?php
   2
   3 namespace Rapsys\UserBundle\Handler;
   4
   5 use Symfony\Component\DependencyInjection\ContainerInterface;
   6 use Symfony\Component\HttpFoundation\RedirectResponse;
   7 use Symfony\Component\HttpFoundation\Request;
   8 use Symfony\Component\Routing\Exception\ResourceNotFoundException;
   9 use Symfony\Component\Routing\RouterInterface;
  10 use Symfony\Component\Security\Http\Logout\LogoutSuccessHandlerInterface;
  11
  12 class LogoutSuccessHandler implements LogoutSuccessHandlerInterface {
  13         /**
  14          * {@inheritdoc}
  15          */
  16         protected $container;
  17
  18         /**
  19          * {@inheritdoc}
  20          */
  21         protected $router;
  22
  23         /**
  24          * {@inheritdoc}
  25          */
  26         public function __construct(ContainerInterface $container, RouterInterface $router) {
  27                 $this->container = $container;
  28                 $this->router = $router;
  29         }
  30
  31         /**
  32          * {@inheritdoc}
  33          */
  34         public function onLogoutSuccess(Request $request) {
  35                 //Retrieve logout route
  36                 $logout = $request->get('_route');
  37
  38                 //Extract and process referer
  39                 if ($referer = $request->headers->get('referer')) {
  40                         //Create referer request instance
  41                         $req = Request::create($referer);
  42
  43                         //Get referer path
  44                         $path = $req->getPathInfo();
  45
  46                         //Get referer query string
  47                         $query = $req->getQueryString();
  48
  49                         //Remove script name
  50                         $path = str_replace($request->getScriptName(), '', $path);
  51
  52                         //Try with referer path
  53                         try {
  54                                 //Retrieve route matching path
  55                                 $route = $this->router->match($path);
  56
  57                                 //With router differing from logout one
  58                                 if (($name = $route['_route']) == $logout) {
  59                                         #throw new ResourceNotFoundException('Identical referer and logout route');
  60                                         //Unset referer to fallback to default route
  61                                         unset($referer);
  62                                 //With route matching logout
  63                                 } else {
  64                                         //Remove route and controller from route defaults
  65                                         unset($route['_route'], $route['_controller'], $route['_canonical_route']);
  66
  67                                         //Generate url
  68                                         $url = $this->router->generate($name, $route);
  69                                 }
  70                         //No route matched
  71                         } catch (ResourceNotFoundException $e) {
  72                                 //Unset referer to fallback to default route
  73                                 unset($referer);
  74                         }
  75                 }
  76
  77                 //Referer empty or unusable
  78                 if (empty($referer)) {
  79                         //Try with / path
  80                         try {
  81                                 //Retrieve route matching /
  82                                 $route = $this->router->match('/');
  83
  84                                 //Verify that it differ from current one
  85                                 if (($name = $route['_route']) == $logout) {
  86                                         throw new ResourceNotFoundException('Identical referer and logout route');
  87                                 }
  88
  89                                 //Remove route and controller from route defaults
  90                                 unset($route['_route'], $route['_controller'], $route['_canonical_route']);
  91
  92                                 //Generate url
  93                                 $url = $this->router->generate($name, $route);
  94                         //Get first route from route collection if / path was not matched
  95                         } catch (ResourceNotFoundException $e) {
  96                                 //Fetch all routes
  97                                 //XXX: this method regenerate the Routing cache making apps very slow
  98                                 //XXX: see https://github.com/symfony/symfony-docs/issues/6710
  99                                 //XXX: it should be fine to call it without referer and a / route
 100                                 foreach ($this->router->getRouteCollection() as $name => $route) {
 101                                         //Return on first public route excluding logout one
 102                                         if (!empty($name) && $name[0] != '_' && $name != $logout) {
 103                                                 break;
 104                                         }
 105                                 }
 106
 107                                 //Bail out if no route found
 108                                 if (!isset($name) || !isset($route)) {
 109                                         throw new \RuntimeException('Unable to retrieve default route');
 110                                 }
 111
 112                                 //Retrieve route defaults
 113                                 $defaults = $route->getDefaults();
 114
 115                                 //Remove route and controller from route defaults
 116                                 unset($defaults['_route'], $defaults['_controller'], $defaults['_canonical_route']);
 117
 118                                 //Generate url
 119                                 $url = $this->router->generate($name, $defaults);
 120                         }
 121                 }
 122
 123                 //Return redirect response
 124                 return new RedirectResponse($url, 302);
 125         }
 126 }