<?php
/*
* This file is part of the FOSRestBundle package.
*
* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FOS\RestBundle\EventListener;
use FOS\RestBundle\FOSRestBundle;
use FOS\RestBundle\Response\AllowedMethodsLoader\AllowedMethodsLoaderInterface;
use Symfony\Component\HttpKernel\Event\ResponseEvent;
/**
* Listener to append Allow-ed methods for a given route/resource.
*
* @author Boris Guéry <guery.b@gmail.com>
*
* @internal
*/
class AllowedMethodsListener
{
private $loader;
public function __construct(AllowedMethodsLoaderInterface $loader)
{
$this->loader = $loader;
}
/**
* @param ResponseEvent $event
*/
public function onKernelResponse($event)
{
$request = $event->getRequest();
if (!$request->attributes->get(FOSRestBundle::ZONE_ATTRIBUTE, true)) {
return;
}
$allowedMethods = $this->loader->getAllowedMethods();
if (isset($allowedMethods[$event->getRequest()->get('_route')])) {
$event->getResponse()
->headers
->set('Allow', implode(', ', $allowedMethods[$event->getRequest()->get('_route')]));
}
}
}