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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),
),
);
}
}