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  */
  29 class PreprocessRequestHook implements MiddlewareInterface
  30 {
  31
  32     /**
  33      * Hook to preprocess the current request
  34      *
  35      * @param ServerRequestInterface $request
  36      * @param RequestHandlerInterface $handler
  37      * @return ResponseInterface
  38      */
  39     public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
  40     {
  41         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/index_ts.php']['preprocessRequest'] ?? [] as $hookFunction) {
  42             $hookParameters = [];
  43             GeneralUtility::callUserFunction($hookFunction, $hookParameters, $hookParameters);
  44         }
  45         return $handler->handle($request);
  46     }
  47 }