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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\Security\Http;
use Symfony\Component\Security\Core\SecurityContextInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\Routing\RouterInterface;
use Symfony\Component\Routing\Exception\MethodNotAllowedException;
use Symfony\Component\Routing\Exception\ResourceNotFoundException;
/**
* Encapsulates the logic needed to create sub-requests, redirect the user, and match URLs.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class HttpUtils
{
private $router;
/**
* Constructor.
*
* @param RouterInterface $router An RouterInterface instance
*/
public function __construct(RouterInterface $router = null)
{
$this->router = $router;
}
/**
* Creates a redirect Response.
*
* @param Request $request A Request instance
* @param string $path A path (an absolute path (/foo), an absolute URL (http://...), or a route name (foo))
* @param integer $status The status code
*
* @return Response A RedirectResponse instance
*/
public function createRedirectResponse(Request $request, $path, $status = 302)
{
if ('/' === $path[0]) {
$path = $request->getUriForPath($path);
} elseif (0 !== strpos($path, 'http')) {
$path = $this->generateUrl($path, true);
}
return new RedirectResponse($path, $status);
}
/**
* Creates a Request.
*
* @param Request $request The current Request instance
* @param string $path A path (an absolute path (/foo), an absolute URL (http://...), or a route name (foo))
*
* @return Request A Request instance
*/
public function createRequest(Request $request, $path)
{
if ($path && '/' !== $path[0] && 0 !== strpos($path, 'http')) {
$path = $this->generateUrl($path, true);
}
if (0 !== strpos($path, 'http')) {
$path = $request->getUriForPath($path);
}
$newRequest = Request::create($path, 'get', array(), $request->cookies->all(), array(), $request->server->all());
if ($session = $request->getSession()) {
$newRequest->setSession($session);
}
if ($request->attributes->has(SecurityContextInterface::AUTHENTICATION_ERROR)) {
$newRequest->attributes->set(SecurityContextInterface::AUTHENTICATION_ERROR, $request->attributes->get(SecurityContextInterface::AUTHENTICATION_ERROR));
}
if ($request->attributes->has(SecurityContextInterface::ACCESS_DENIED_ERROR)) {
$newRequest->attributes->set(SecurityContextInterface::ACCESS_DENIED_ERROR, $request->attributes->get(SecurityContextInterface::ACCESS_DENIED_ERROR));
}
if ($request->attributes->has(SecurityContextInterface::LAST_USERNAME)) {
$newRequest->attributes->set(SecurityContextInterface::LAST_USERNAME, $request->attributes->get(SecurityContextInterface::LAST_USERNAME));
}
return $newRequest;
}
/**
* Checks that a given path matches the Request.
*
* @param Request $request A Request instance
* @param string $path A path (an absolute path (/foo) or a route name (foo))
*
* @return Boolean true if the path is the same as the one from the Request, false otherwise
*/
public function checkRequestPath(Request $request, $path)
{
if ('/' !== $path[0]) {
try {
$parameters = $this->router->match($request->getPathInfo());
return $path === $parameters['_route'];
} catch (MethodNotAllowedException $e) {
return false;
} catch (ResourceNotFoundException $e) {
return false;
}
}
return $path === $request->getPathInfo();
}
private function generateUrl($route, $absolute = false)
{
if (null === $this->router) {
throw new \LogicException('You must provide a RouterInterface instance to be able to use routes.');
}
return $this->router->generate($route, array(), $absolute);
}
}
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