[!!!][TASK] Remove $response preparation in route dispatching
[Packages/TYPO3.CMS.git] / typo3 / sysext / frontend / Classes / Middleware / EidHandler.php
1 <?php
2 declare(strict_types = 1);
3 namespace TYPO3\CMS\Frontend\Middleware;
4
5 /*
6 * This file is part of the TYPO3 CMS project.
7 *
8 * It is free software; you can redistribute it and/or modify it under
9 * the terms of the GNU General Public License, either version 2
10 * of the License, or any later version.
11 *
12 * For the full copyright and license information, please read the
13 * LICENSE.txt file that was distributed with this source code.
14 *
15 * The TYPO3 project - inspiring people to share!
16 */
17
18 use Psr\Http\Message\ResponseInterface;
19 use Psr\Http\Message\ServerRequestInterface;
20 use Psr\Http\Server\MiddlewareInterface;
21 use Psr\Http\Server\RequestHandlerInterface;
22 use TYPO3\CMS\Core\Exception;
23 use TYPO3\CMS\Core\Http\Dispatcher;
24 use TYPO3\CMS\Core\Http\NullResponse;
25 use TYPO3\CMS\Core\Http\Response;
26 use TYPO3\CMS\Core\Utility\GeneralUtility;
27
28 /**
29 * Lightweight alternative to regular frontend requests; used when $_GET[eID] is set.
30 * In the future, logic from the EidUtility will be moved to this class, however in most cases
31 * a custom PSR-15 middleware will be better suited for whatever job the eID functionality does currently.
32 *
33 * @internal
34 */
35 class EidHandler implements MiddlewareInterface
36 {
37 /**
38 * Dispatches the request to the corresponding eID class or eID script
39 *
40 * @param ServerRequestInterface $request
41 * @param RequestHandlerInterface $handler
42 * @return ResponseInterface
43 * @throws Exception
44 */
45 public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
46 {
47 $eID = $request->getParsedBody()['eID'] ?? $request->getQueryParams()['eID'] ?? null;
48
49 if ($eID === null) {
50 return $handler->handle($request);
51 }
52
53 // Remove any output produced until now
54 ob_clean();
55
56 if (empty($eID) || !isset($GLOBALS['TYPO3_CONF_VARS']['FE']['eID_include'][$eID])) {
57 return (new Response())->withStatus(404, 'eID not registered');
58 }
59
60 $configuration = $GLOBALS['TYPO3_CONF_VARS']['FE']['eID_include'][$eID];
61
62 // Simple check to make sure that it's not an absolute file (to use the fallback)
63 if (strpos($configuration, '::') !== false || is_callable($configuration)) {
64 $dispatcher = GeneralUtility::makeInstance(Dispatcher::class);
65 $request = $request->withAttribute('target', $configuration);
66 return $dispatcher->dispatch($request) ?? new NullResponse();
67 }
68 trigger_error(
69 'eID "' . $eID . '" is registered with a script to a file. This behaviour will be removed in TYPO3 v10.0.'
70 . ' Register eID with a class::method syntax like "\MyVendor\MyExtension\Controller\MyEidController::myMethod" instead.',
71 E_USER_DEPRECATED
72 );
73 $scriptPath = GeneralUtility::getFileAbsFileName($configuration);
74 if ($scriptPath === '') {
75 throw new Exception('Registered eID has invalid script path.', 1518042216);
76 }
77 include $scriptPath;
78 return new NullResponse();
79 }
80 }