Files
cms-backend/Classes/Http/RequestHandler.php
T

107 lines
3.8 KiB
PHP

<?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\Http;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use TYPO3\CMS\Backend\Resource\PublicUrlPrefixer;
use TYPO3\CMS\Backend\Routing\Exception\InvalidRequestTokenException;
use TYPO3\CMS\Backend\Routing\Exception\MissingRequestTokenException;
use TYPO3\CMS\Backend\Routing\Route;
use TYPO3\CMS\Backend\Routing\RouteRedirect;
use TYPO3\CMS\Backend\Routing\UriBuilder;
use TYPO3\CMS\Core\EventDispatcher\ListenerProvider;
use TYPO3\CMS\Core\Http\RedirectResponse;
use TYPO3\CMS\Core\Http\Response;
use TYPO3\CMS\Core\Resource\Event\GeneratePublicUrlForResourceEvent;
/**
* General RequestHandler for the TYPO3 Backend. This is used for all Backend requests, including AJAX routes.
*
* If a get/post parameter "route" is set, the Backend Routing is called and searches for a
* matching route inside the Router. The corresponding controller / action is called then which returns the response.
*
* The following get/post parameters are evaluated here:
* - route
* - token
*/
class RequestHandler implements RequestHandlerInterface
{
protected RouteDispatcher $dispatcher;
protected UriBuilder $uriBuilder;
protected ListenerProvider $listenerProvider;
public function __construct(
RouteDispatcher $dispatcher,
UriBuilder $uriBuilder,
ListenerProvider $listenerProvider
) {
$this->dispatcher = $dispatcher;
$this->uriBuilder = $uriBuilder;
$this->listenerProvider = $listenerProvider;
}
/**
* Handles a backend request, after finishing running middlewares
* Dispatch the request to the appropriate controller through the
* Backend Dispatcher which resolves the routing
*/
public function handle(ServerRequestInterface $request): ResponseInterface
{
// Make sure all FAL resources have absolute URL paths
$this->listenerProvider->addListener(
GeneratePublicUrlForResourceEvent::class,
PublicUrlPrefixer::class,
'prefixWithSitePath'
);
/** @var Route $route */
$route = $request->getAttribute('route');
$isAjaxCall = (bool)($route->getOption('ajax') ?? false);
// b/w compat
$GLOBALS['TYPO3_REQUEST'] = $request;
try {
// Check if the router has the available route and dispatch.
return $this->dispatcher->dispatch($request);
} catch (MissingRequestTokenException $e) {
if ($isAjaxCall) {
return new Response(statusCode: 401);
}
// When token was missing, then redirect to login, but keep the current route as redirect after login
$loginUrl = $this->uriBuilder->buildUriWithRedirect(
'login',
[],
RouteRedirect::createFromRoute($request->getAttribute('route'), $request->getQueryParams())
);
return new RedirectResponse($loginUrl);
} catch (InvalidRequestTokenException $e) {
if ($isAjaxCall) {
return new Response(statusCode: 401);
}
// When token was invalid, then redirect to login
$loginForm = $this->uriBuilder->buildUriFromRoute('login');
return new RedirectResponse($loginForm);
}
}
}