X-Git-Url: https://git.rapsys.eu/userbundle/blobdiff_plain/038e583ee27e5e1fe587c4798d5dcc7d831be5a8..be90ff0448f23198efda2b575744cd160088b94d:/Listener/LogoutListener.php

diff --git a/Listener/LogoutListener.php b/Listener/LogoutListener.php
new file mode 100644
index 0000000..29b69e4
--- /dev/null
+++ b/Listener/LogoutListener.php
@@ -0,0 +1,221 @@
+<?php declare(strict_types=1);
+
+/*
+ * This file is part of the Rapsys UserBundle package.
+ *
+ * (c) Raphaël Gertz <symfony@rapsys.eu>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Rapsys\UserBundle\Listener;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Routing\Exception\InvalidParameterException;
+use Symfony\Component\Routing\Exception\MissingMandatoryParametersException;
+use Symfony\Component\Routing\Exception\ResourceNotFoundException;
+use Symfony\Component\Routing\Exception\RouteNotFoundException;
+use Symfony\Component\Routing\RequestContext;
+use Symfony\Component\Routing\RouterInterface;
+use Symfony\Component\Security\Http\Event\LogoutEvent;
+
+use Rapsys\UserBundle\RapsysUserBundle;
+
+/**
+ * {@inheritdoc}
+ */
+class LogoutListener implements EventSubscriberInterface {
+	/**
+	 * Config array
+	 */
+	protected $config;
+
+	/**
+	 * Target url
+	 */
+	private $targetUrl;
+
+	/**
+	 * {@inheritdoc}
+	 *
+	 * @xxx Second argument will be replaced by security.firewalls.main.logout.target
+	 * @see vendor/symfony/security-bundle/DependencyInjection/SecurityExtension.php +445
+	 */
+	public function __construct(ContainerInterface $container, string $targetUrl, RouterInterface $router) {
+		//Set config
+		$this->config = $container->getParameter(RapsysUserBundle::getAlias());
+
+		//Set target url
+		$this->targetUrl = $targetUrl;
+
+		//Set router
+		$this->router = $router;
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function onLogout(LogoutEvent $event): void {
+		//Get request
+		$request = $event->getRequest();
+
+		//Retrieve logout route
+		$logout = $request->attributes->get('_route');
+
+		//Extract and process referer
+		if (($referer = $request->headers->get('referer'))) {
+			//Create referer request instance
+			$req = Request::create($referer);
+
+			//Get referer path
+			$path = $req->getPathInfo();
+
+			//Get referer query string
+			$query = $req->getQueryString();
+
+			//Remove script name
+			$path = str_replace($request->getScriptName(), '', $path);
+
+			//Try with referer path
+			try {
+				//Save old context
+				$oldContext = $this->router->getContext();
+
+				//Force clean context
+				//XXX: prevent MethodNotAllowedException on GET only routes because our context method is POST
+				//XXX: see vendor/symfony/routing/Matcher/Dumper/CompiledUrlMatcherTrait.php +42
+				$this->router->setContext(new RequestContext());
+
+				//Retrieve route matching path
+				$route = $this->router->match($path);
+
+				//Reset context
+				$this->router->setContext($oldContext);
+
+				//Clear old context
+				unset($oldContext);
+
+				//Without logout route name
+				if (($name = $route['_route']) != $logout) {
+					//Remove route and controller from route defaults
+					unset($route['_route'], $route['_controller'], $route['_canonical_route']);
+
+					//Generate url
+					$url = $this->router->generate($name, $route);
+
+					//Set event response
+					$event->setResponse(new RedirectResponse($url, 302));
+
+					//Return
+					return;
+				//With logout route name
+				} else {
+					//Unset referer and route
+					unset($referer, $route);
+				}
+			//No route matched
+			} catch (ResourceNotFoundException $e) {
+				//Unset referer and route
+				unset($referer, $route);
+			}
+		}
+
+		//With index route from config
+		if (!empty($name = $this->config['route']['index']['name']) && is_array($context = $this->config['route']['index']['context'])) {
+			//Without logout route name
+			if ($name != $logout) {
+				//Try index route
+				try {
+					//Generate url
+					$url = $this->router->generate($name, $context);
+
+					//Set event response
+					$event->setResponse(new RedirectResponse($url, 302));
+
+					//Return
+					return;
+				//No route matched
+				} catch (ResourceNotFoundException $e) {
+					//Unset name and context
+					unset($name, $context);
+				}
+			//With logout route name
+			} else {
+				//Unset name and context
+				unset($name, $context);
+			}
+		}
+
+		//Try target url
+		try {
+			//Save old context
+			$oldContext = $this->router->getContext();
+
+			//Force clean context
+			//XXX: prevent MethodNotAllowedException on GET only routes because our context method is POST
+			//XXX: see vendor/symfony/routing/Matcher/Dumper/CompiledUrlMatcherTrait.php +42
+			$this->router->setContext(new RequestContext());
+
+			//With logout target path
+			if ($this->targetUrl[0] == '/') {
+				//Retrieve route matching target url
+				$route = $this->router->match($this->targetUrl);
+
+				//Reset context
+				$this->router->setContext($oldContext);
+
+				//Clear old context
+				unset($oldContext);
+
+				//Without logout route name
+				if (($name = $route['_route']) != $logout) {
+					//Remove route and controller from route defaults
+					unset($route['_route'], $route['_controller'], $route['_canonical_route']);
+
+					//Generate url
+					$url = $this->router->generate($name, $route);
+
+					//Set event response
+					$event->setResponse(new RedirectResponse($url, 302));
+
+					//Return
+					return;
+				//With logout route name
+				} else {
+					//Unset name and route
+					unset($name, $route);
+				}
+			//With route name
+			} else {
+				//Retrieve route matching path
+				$url = $this->router->generate($this->targetUrl);
+
+				//Set event response
+				$event->setResponse(new RedirectResponse($url, 302));
+
+				//Return
+				return;
+			}
+		//Get first route from route collection if / path was not matched
+		} catch (ResourceNotFoundException|RouteNotFoundException|MissingMandatoryParametersException|InvalidParameterException $e) {
+			//Unset name and route
+			unset($name, $route);
+		}
+
+		//Set event response
+		$event->setResponse(new RedirectResponse('/', 302));
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public static function getSubscribedEvents(): array {
+		return [
+			LogoutEvent::class => ['onLogout', 64],
+		];
+	}
+}