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[yaffs-website] / vendor / symfony / http-kernel / EventListener / AbstractSessionListener.php

diff --git a/vendor/symfony/http-kernel/EventListener/AbstractSessionListener.php b/vendor/symfony/http-kernel/EventListener/AbstractSessionListener.php
new file mode 100644 (file)
index 0000000..dff29ee
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+++ b/vendor/symfony/http-kernel/EventListener/AbstractSessionListener.php
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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\EventListener;
+
+use Symfony\Component\HttpFoundation\Session\Session;
+use Symfony\Component\HttpFoundation\Session\SessionInterface;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * Sets the session in the request.
+ *
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+abstract class AbstractSessionListener implements EventSubscriberInterface
+{
+    public function onKernelRequest(GetResponseEvent $event)
+    {
+        if (!$event->isMasterRequest()) {
+            return;
+        }
+
+        $request = $event->getRequest();
+        $session = $this->getSession();
+        if (null === $session || $request->hasSession()) {
+            return;
+        }
+
+        $request->setSession($session);
+    }
+
+    public function onKernelResponse(FilterResponseEvent $event)
+    {
+        if (!$event->isMasterRequest()) {
+            return;
+        }
+
+        if (!$session = $event->getRequest()->getSession()) {
+            return;
+        }
+
+        if ($session->isStarted() || ($session instanceof Session && $session->hasBeenStarted())) {
+            $event->getResponse()
+                ->setPrivate()
+                ->setMaxAge(0)
+                ->headers->addCacheControlDirective('must-revalidate');
+        }
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(
+            KernelEvents::REQUEST => array('onKernelRequest', 128),
+            // low priority to come after regular response listeners, same as SaveSessionListener
+            KernelEvents::RESPONSE => array('onKernelResponse', -1000),
+        );
+    }
+
+    /**
+     * Gets the session object.
+     *
+     * @return SessionInterface|null A SessionInterface instance or null if no session is available
+     */
+    abstract protected function getSession();
+}