Raphaël G. Git Repositories - userbundle/blob - Listener/LogoutListener.php

   1 <?php declare(strict_types=1);
   2
   3 /*
   4  * This file is part of the Rapsys UserBundle package.
   5  *
   6  * (c) Raphaël Gertz <symfony@rapsys.eu>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Rapsys\UserBundle\Listener;
  13
  14 use Symfony\Component\DependencyInjection\ContainerInterface;
  15 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  16 use Symfony\Component\HttpFoundation\RedirectResponse;
  17 use Symfony\Component\HttpFoundation\Request;
  18 use Symfony\Component\Routing\Exception\InvalidParameterException;
  19 use Symfony\Component\Routing\Exception\MissingMandatoryParametersException;
  20 use Symfony\Component\Routing\Exception\ResourceNotFoundException;
  21 use Symfony\Component\Routing\Exception\RouteNotFoundException;
  22 use Symfony\Component\Routing\RequestContext;
  23 use Symfony\Component\Routing\RouterInterface;
  24 use Symfony\Component\Security\Http\Event\LogoutEvent;
  25
  26 use Rapsys\UserBundle\RapsysUserBundle;
  27
  28 /**
  29  * {@inheritdoc}
  30  */
  31 class LogoutListener implements EventSubscriberInterface {
  32         /**
  33          * Config array
  34          */
  35         protected $config;
  36
  37         /**
  38          * Target url
  39          */
  40         private $targetUrl;
  41
  42         /**
  43          * {@inheritdoc}
  44          *
  45          * @xxx Second argument will be replaced by security.firewalls.main.logout.target
  46          * @see vendor/symfony/security-bundle/Resources/config/security_listeners.php +79
  47          */
  48         public function __construct(ContainerInterface $container, string $targetUrl, RouterInterface $router) {
  49                 //Set config
  50                 $this->config = $container->getParameter(RapsysUserBundle::getAlias());
  51
  52                 //Set target url
  53                 $this->targetUrl = $targetUrl;
  54
  55                 //Set router
  56                 $this->router = $router;
  57         }
  58
  59         /**
  60          * {@inheritdoc}
  61          */
  62         public function onLogout(LogoutEvent $event): void {
  63                 //Get request
  64                 $request = $event->getRequest();
  65
  66                 //Retrieve logout route
  67                 $logout = $request->attributes->get('_route');
  68
  69                 //Extract and process referer
  70                 if (($referer = $request->headers->get('referer'))) {
  71                         //Create referer request instance
  72                         $req = Request::create($referer);
  73
  74                         //Get referer path
  75                         $path = $req->getPathInfo();
  76
  77                         //Get referer query string
  78                         $query = $req->getQueryString();
  79
  80                         //Remove script name
  81                         $path = str_replace($request->getScriptName(), '', $path);
  82
  83                         //Try with referer path
  84                         try {
  85                                 //Save old context
  86                                 $oldContext = $this->router->getContext();
  87
  88                                 //Force clean context
  89                                 //XXX: prevent MethodNotAllowedException on GET only routes because our context method is POST
  90                                 //XXX: see vendor/symfony/routing/Matcher/Dumper/CompiledUrlMatcherTrait.php +42
  91                                 $this->router->setContext(new RequestContext());
  92
  93                                 //Retrieve route matching path
  94                                 $route = $this->router->match($path);
  95
  96                                 //Reset context
  97                                 $this->router->setContext($oldContext);
  98
  99                                 //Clear old context
 100                                 unset($oldContext);
 101
 102                                 //Without logout route name
 103                                 if (($name = $route['_route']) != $logout) {
 104                                         //Remove route and controller from route defaults
 105                                         unset($route['_route'], $route['_controller'], $route['_canonical_route']);
 106
 107                                         //Generate url
 108                                         $url = $this->router->generate($name, $route);
 109
 110                                         //Set event response
 111                                         $event->setResponse(new RedirectResponse($url, 302));
 112
 113                                         //Return
 114                                         return;
 115                                 //With logout route name
 116                                 } else {
 117                                         //Unset referer and route
 118                                         unset($referer, $route);
 119                                 }
 120                         //No route matched
 121                         } catch (ResourceNotFoundException $e) {
 122                                 //Unset referer and route
 123                                 unset($referer, $route);
 124                         }
 125                 }
 126
 127                 //With index route from config
 128                 if (!empty($name = $this->config['route']['index']['name']) && is_array($context = $this->config['route']['index']['context'])) {
 129                         //Without logout route name
 130                         if ($name != $logout) {
 131                                 //Try index route
 132                                 try {
 133                                         //Generate url
 134                                         $url = $this->router->generate($name, $context);
 135
 136                                         //Set event response
 137                                         $event->setResponse(new RedirectResponse($url, 302));
 138
 139                                         //Return
 140                                         return;
 141                                 //No route matched
 142                                 } catch (ResourceNotFoundException $e) {
 143                                         //Unset name and context
 144                                         unset($name, $context);
 145                                 }
 146                         //With logout route name
 147                         } else {
 148                                 //Unset name and context
 149                                 unset($name, $context);
 150                         }
 151                 }
 152
 153                 //Try target url
 154                 try {
 155                         //Save old context
 156                         $oldContext = $this->router->getContext();
 157
 158                         //Force clean context
 159                         //XXX: prevent MethodNotAllowedException on GET only routes because our context method is POST
 160                         //XXX: see vendor/symfony/routing/Matcher/Dumper/CompiledUrlMatcherTrait.php +42
 161                         $this->router->setContext(new RequestContext());
 162
 163                         //With logout target path
 164                         if ($this->targetUrl[0] == '/') {
 165                                 //Retrieve route matching target url
 166                                 $route = $this->router->match($this->targetUrl);
 167
 168                                 //Reset context
 169                                 $this->router->setContext($oldContext);
 170
 171                                 //Clear old context
 172                                 unset($oldContext);
 173
 174                                 //Without logout route name
 175                                 if (($name = $route['_route']) != $logout) {
 176                                         //Remove route and controller from route defaults
 177                                         unset($route['_route'], $route['_controller'], $route['_canonical_route']);
 178
 179                                         //Generate url
 180                                         $url = $this->router->generate($name, $route);
 181
 182                                         //Set event response
 183                                         $event->setResponse(new RedirectResponse($url, 302));
 184
 185                                         //Return
 186                                         return;
 187                                 //With logout route name
 188                                 } else {
 189                                         //Unset name and route
 190                                         unset($name, $route);
 191                                 }
 192                         //With route name
 193                         } else {
 194                                 //Retrieve route matching path
 195                                 $url = $this->router->generate($this->targetUrl);
 196
 197                                 //Set event response
 198                                 $event->setResponse(new RedirectResponse($url, 302));
 199
 200                                 //Return
 201                                 return;
 202                         }
 203                 //Get first route from route collection if / path was not matched
 204                 } catch (ResourceNotFoundException|RouteNotFoundException|MissingMandatoryParametersException|InvalidParameterException $e) {
 205                         //Unset name and route
 206                         unset($name, $route);
 207                 }
 208
 209                 //Set event response
 210                 $event->setResponse(new RedirectResponse('/', 302));
 211         }
 212
 213         /**
 214          * {@inheritdoc}
 215          */
 216         public static function getSubscribedEvents(): array {
 217                 return [
 218                         LogoutEvent::class => ['onLogout', 64],
 219                 ];
 220         }
 221 }