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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;
- /**
- * 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')) {
- $this->resetLocale($request);
- $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')) {
- $this->resetLocale($request);
- $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), 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 {
- $parameters = $this->router->match($request->getPathInfo());
- return $path === $parameters['_route'];
- } catch (\Exception $e) {
- return false;
- }
- }
- return $path === $request->getPathInfo();
- }
- // hack (don't have a better solution for now)
- private function resetLocale(Request $request)
- {
- $context = $this->router->getContext();
- if ($context->getParameter('_locale')) {
- return;
- }
- try {
- $parameters = $this->router->match($request->getPathInfo());
- if (isset($parameters['_locale'])) {
- $context->setParameter('_locale', $parameters['_locale']);
- } elseif ($session = $request->getSession()) {
- $context->setParameter('_locale', $session->getLocale());
- }
- } catch (\Exception $e) {
- // let's hope user doesn't use the locale in the path
- }
- }
- private function generateUrl($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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