Current File : //opt/cloudlinux/alt-php53/root/usr/share/pear/Symfony/Component/Security/Http/HttpUtils.php
<?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\Matcher\UrlMatcherInterface;
use Symfony\Component\Routing\Matcher\RequestMatcherInterface;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
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 $urlGenerator;
private $urlMatcher;
/**
* Constructor.
*
* @param UrlGeneratorInterface $urlGenerator A UrlGeneratorInterface instance
* @param UrlMatcherInterface|RequestMatcherInterface $urlMatcher The URL or Request matcher
*
* @throws \InvalidArgumentException
*/
public function __construct(UrlGeneratorInterface $urlGenerator = null, $urlMatcher = null)
{
$this->urlGenerator = $urlGenerator;
if ($urlMatcher !== null && !$urlMatcher instanceof UrlMatcherInterface && !$urlMatcher instanceof RequestMatcherInterface) {
throw new \InvalidArgumentException('Matcher must either implement UrlMatcherInterface or RequestMatcherInterface.');
}
$this->urlMatcher = $urlMatcher;
}
/**
* 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 RedirectResponse A RedirectResponse instance
*/
public function createRedirectResponse(Request $request, $path, $status = 302)
{
return new RedirectResponse($this->generateUri($request, $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)
{
$newRequest = Request::create($this->generateUri($request, $path), 'get', array(), $request->cookies->all(), array(), $request->server->all());
if ($request->hasSession()) {
$newRequest->setSession($request->getSession());
}
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), an absolute URL (http://...), 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 ('/' !== $path[0]) {
try {
// matching a request is more powerful than matching a URL path + context, so try that first
if ($this->urlMatcher instanceof RequestMatcherInterface) {
$parameters = $this->urlMatcher->matchRequest($request);
} else {
$parameters = $this->urlMatcher->match($request->getPathInfo());
}
return $path === $parameters['_route'];
} catch (MethodNotAllowedException $e) {
return false;
} catch (ResourceNotFoundException $e) {
return false;
}
}
return $path === rawurldecode($request->getPathInfo());
}
/**
* Generates a URI, based on the given path or absolute URL.
*
* @param Request $request A Request instance
* @param string $path A path (an absolute path (/foo), an absolute URL (http://...), or a route name (foo))
*
* @return string An absolute URL
*
* @throws \LogicException
*/
public function generateUri($request, $path)
{
if (0 === strpos($path, 'http') || !$path) {
return $path;
}
if ('/' === $path[0]) {
return $request->getUriForPath($path);
}
if (null === $this->urlGenerator) {
throw new \LogicException('You must provide a UrlGeneratorInterface instance to be able to use routes.');
}
$url = $this->urlGenerator->generate($path, $request->attributes->all(), UrlGeneratorInterface::ABSOLUTE_URL);
// unnecessary query string parameters must be removed from URL
// (ie. query parameters that are presents in $attributes)
// fortunately, they all are, so we have to remove entire query string
$position = strpos($url, '?');
if (false !== $position) {
$url = substr($url, 0, $position);
}
return $url;
}
}
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