Raphaël G. Git Repositories - airbundle/blob - Security/LogoutSuccessHandler.php

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