Version 1

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

diff --git a/vendor/symfony/http-kernel/EventListener/ValidateRequestListener.php b/vendor/symfony/http-kernel/EventListener/ValidateRequestListener.php
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+++ b/vendor/symfony/http-kernel/EventListener/ValidateRequestListener.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\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+/**
+ * Validates that the headers and other information indicating the
+ * client IP address of a request are consistent.
+ *
+ * @author Magnus Nordlander <magnus@fervo.se>
+ */
+class ValidateRequestListener implements EventSubscriberInterface
+{
+    /**
+     * Performs the validation.
+     *
+     * @param GetResponseEvent $event
+     */
+    public function onKernelRequest(GetResponseEvent $event)
+    {
+        if (!$event->isMasterRequest()) {
+            return;
+        }
+        $request = $event->getRequest();
+
+        if ($request::getTrustedProxies()) {
+            // This will throw an exception if the headers are inconsistent.
+            $request->getClientIps();
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public static function getSubscribedEvents()
+    {
+        return array(
+            KernelEvents::REQUEST => array(
+                array('onKernelRequest', 256),
+            ),
+        );
+    }
+}