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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\Frontend\Middleware;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use TYPO3\CMS\Core\Http\DispatcherInterface;
use TYPO3\CMS\Core\Http\Response;
/**
* Lightweight alternative to regular frontend requests; used when $_GET[eID] is set.
* In the future, logic from the EidUtility will be moved to this class, however in most cases
* a custom PSR-15 middleware will be better suited for whatever job the eID functionality does currently.
*
* @internal
*/
class EidHandler implements MiddlewareInterface
{
public function __construct(
protected readonly DispatcherInterface $dispatcher
) {}
/**
* Dispatches the request to the corresponding eID class or eID script
*/
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
{
$eID = $request->getParsedBody()['eID'] ?? $request->getQueryParams()['eID'] ?? null;
if ($eID === null) {
return $handler->handle($request);
}
// Remove any output produced until now
ob_clean();
if (!is_string($eID)) {
return (new Response())->withStatus(400, 'Invalid eID');
}
$target = $GLOBALS['TYPO3_CONF_VARS']['FE']['eID_include'][$eID] ?? null;
if (empty($target)) {
return (new Response())->withStatus(404, 'eID not registered');
}
$request = $request->withAttribute('target', $target);
return $this->dispatcher->dispatch($request);
}
}