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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Backend\Middleware;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use TYPO3\CMS\Backend\Routing\Exception\MethodNotAllowedException;
use TYPO3\CMS\Backend\Routing\Exception\ResourceNotFoundException;
use TYPO3\CMS\Backend\Routing\Router;
use TYPO3\CMS\Backend\Routing\UriBuilder;
use TYPO3\CMS\Core\Core\Bootstrap;
use TYPO3\CMS\Core\Http\RedirectResponse;
use TYPO3\CMS\Core\Http\Response;
use TYPO3\CMS\Core\Routing\RequestContextFactory;
/**
* Injects the Router and tries to match the current request with a
* configured backend route. The available backend routes were added
* in the corresponding dependency injection factories, which load
* and process the module and route configuration files
*
* - Configuration/Backend/{,Ajax}Routes.php
* - Configuration/Backend/Modules.php
*
* from each extension.
*
* After this middleware, a "Route" object is available as attribute in the
* Request object. Additionally, the request handler (e.g. a controller) is
* available as "target" in the PSR-7 request object.
*
* @internal
*/
class BackendRouteInitialization implements MiddlewareInterface
{
public function __construct(
protected readonly Router $router,
protected readonly UriBuilder $uriBuilder,
protected readonly RequestContextFactory $requestContextFactory,
) {}
/**
* Resolve the &route (or &M) GET/POST parameter, and also resolves a Route object
*/
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
{
// @todo Find another place for this call, since it's not related to this middleware anymore
Bootstrap::loadExtTables();
$this->uriBuilder->setRequestContext($this->requestContextFactory->fromBackendRequest($request));
try {
$routeResult = $this->router->matchResult($request);
$request = $request->withAttribute('routing', $routeResult);
$request = $request->withAttribute('route', $routeResult->getRoute());
$request = $request->withAttribute('target', $routeResult->getRoute()->getOption('target'));
} catch (MethodNotAllowedException $e) {
return new Response(null, 405);
} catch (ResourceNotFoundException $e) {
// Route not found in system
$uri = $this->uriBuilder->buildUriFromRoute('login');
return new RedirectResponse($uri);
}
return $handler->handle($request);
}
}