[TASK] Use current request object in Maintenance middleware
[Packages/TYPO3.CMS.git] / typo3 / sysext / frontend / Classes / Middleware / MaintenanceMode.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\Utility\GeneralUtility;
23 use TYPO3\CMS\Frontend\Controller\ErrorController;
24
25 /**
26 * Checks whether the whole Frontend should be put into "Page unavailable mode"
27 * unless the devIPMask matches the current visitor's IP.
28 *
29 * The global setting $GLOBALS['TYPO3_CONF_VARS']['FE']['pageUnavailable_force']
30 * is used for turning on the maintenance mode.
31 */
32 class MaintenanceMode implements MiddlewareInterface
33 {
34 /**
35 * Calls the "unavailableAction" of the error controller if the system is in maintenance mode.
36 * This only applies if the REMOTE_ADDR does not match the devIpMask
37 *
38 * @param ServerRequestInterface $request
39 * @param RequestHandlerInterface $handler
40 * @return ResponseInterface
41 */
42 public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
43 {
44 if ($GLOBALS['TYPO3_CONF_VARS']['FE']['pageUnavailable_force']
45 && !GeneralUtility::cmpIP(
46 $request->getAttribute('normalizedParams')->getRemoteAddress(),
47 $GLOBALS['TYPO3_CONF_VARS']['SYS']['devIPmask']
48 )
49 ) {
50 return GeneralUtility::makeInstance(ErrorController::class)->unavailableAction($request, 'This page is temporarily unavailable.');
51 }
52 // Continue the regular stack if no maintenance mode is active
53 return $handler->handle($request);
54 }
55 }