[TASK] Move BE-related bootstrap code to PSR-15 middleware
[Packages/TYPO3.CMS.git] / typo3 / sysext / backend / Classes / Middleware / AdditionalResponseHeaders.php
1 <?php
2 declare(strict_types = 1);
3 namespace TYPO3\CMS\Backend\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
23 /**
24 * Sets up click-jacking prevention for HTTP requests by adding HTTP headers for the response
25 *
26 * @internal
27 */
28 class AdditionalResponseHeaders implements MiddlewareInterface
29 {
30 /**
31 * Adds HTTP headers defined in $GLOBALS['TYPO3_CONF_VARS']['BE']['HTTP']['Response']['Headers']
32 *
33 * @param ServerRequestInterface $request
34 * @param RequestHandlerInterface $handler
35 * @return ResponseInterface
36 */
37 public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
38 {
39 $response = $handler->handle($request);
40 foreach ($GLOBALS['TYPO3_CONF_VARS']['BE']['HTTP']['Response']['Headers'] ?? [] as $header => $value) {
41 $response = $response->withAddedHeader($header, $value);
42 }
43 return $response;
44 }
45 }