typo3/sysext/frontend/Classes/Middleware/PreprocessRequestHook.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
  24 /**
  25  * Calls a hook before processing a request for the TYPO3 Frontend.
  26  *
  27  * @internal
  28  * @deprecated since TYPO3 v9, will be removed in TYPO3 v10.0.
  29  */
  30 class PreprocessRequestHook implements MiddlewareInterface
  31 {
  32
  33     /**
  34      * Hook to preprocess the current request
  35      *
  36      * @param ServerRequestInterface $request
  37      * @param RequestHandlerInterface $handler
  38      * @return ResponseInterface
  39      */
  40     public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
  41     {
  42         // Legacy functionality to check if any hook modified global GET/POST
  43         // This is a safety net, see RequestHandler for how this is validated.
  44         // This information is just a compat layer which will be removed in TYPO3 v10.0.
  45         $request = $request->withAttribute('_originalGetParameters', $_GET);
  46         if ($request->getMethod() === 'POST') {
  47             $request = $request->withAttribute('_originalPostParameters', $_POST);
  48         }
  49         // Set original parameters
  50         if (!empty($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/index_ts.php']['preprocessRequest'])) {
  51             trigger_error('The "preprocessRequest" hook will be removed in TYPO3 v10.0 in favor of PSR-15. Use a middleware instead.', E_USER_DEPRECATED);
  52             foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/index_ts.php']['preprocessRequest'] as $hookFunction) {
  53                 $hookParameters = [];
  54                 GeneralUtility::callUserFunction($hookFunction, $hookParameters, $hookParameters);
  55             }
  56         }
  57         return $handler->handle($request);
  58     }
  59 }