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