typo3/sysext/frontend/Classes/Middleware/TypoScriptFrontendInitialization.php

   1 <?php
   2
   3 declare(strict_types=1);
   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 namespace TYPO3\CMS\Frontend\Middleware;
  19
  20 use Psr\Http\Message\ResponseInterface;
  21 use Psr\Http\Message\ServerRequestInterface;
  22 use Psr\Http\Server\MiddlewareInterface;
  23 use Psr\Http\Server\RequestHandlerInterface;
  24 use TYPO3\CMS\Core\Context\Context;
  25 use TYPO3\CMS\Core\Routing\PageArguments;
  26 use TYPO3\CMS\Core\Site\Entity\Site;
  27 use TYPO3\CMS\Core\Utility\GeneralUtility;
  28 use TYPO3\CMS\Frontend\Authentication\FrontendUserAuthentication;
  29 use TYPO3\CMS\Frontend\Controller\ErrorController;
  30 use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
  31 use TYPO3\CMS\Frontend\Page\PageAccessFailureReasons;
  32
  33 /**
  34  * Creates an instance of TypoScriptFrontendController and makes this globally available
  35  * via $GLOBALS['TSFE'].
  36  *
  37  * In addition, determineId builds up the rootline based on a valid frontend-user authentication and
  38  * Backend permissions if previewing.
  39  *
  40  * @internal this middleware might get removed in TYPO3 v11.0.
  41  */
  42 class TypoScriptFrontendInitialization implements MiddlewareInterface
  43 {
  44     /**
  45      * @var Context
  46      */
  47     protected $context;
  48
  49     public function __construct(Context $context)
  50     {
  51         $this->context = $context;
  52     }
  53
  54     /**
  55      * Creates an instance of TSFE and sets it as a global variable.
  56      *
  57      * @param ServerRequestInterface $request
  58      * @param RequestHandlerInterface $handler
  59      * @return ResponseInterface
  60      */
  61     public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
  62     {
  63         $GLOBALS['TYPO3_REQUEST'] = $request;
  64         /** @var Site $site */
  65         $site = $request->getAttribute('site', null);
  66         $pageArguments = $request->getAttribute('routing', null);
  67         if (!$pageArguments instanceof PageArguments) {
  68             // Page Arguments must be set in order to validate. This middleware only works if PageArguments
  69             // is available, and is usually combined with the Page Resolver middleware
  70             return GeneralUtility::makeInstance(ErrorController::class)->pageNotFoundAction(
  71                 $request,
  72                 'Page Arguments could not be resolved',
  73                 ['code' => PageAccessFailureReasons::INVALID_PAGE_ARGUMENTS]
  74             );
  75         }
  76         $frontendUser = $request->getAttribute('frontend.user');
  77         if (!$frontendUser instanceof FrontendUserAuthentication) {
  78             throw new \RuntimeException('The PSR-7 Request attribute "frontend.user" needs to be available as FrontendUserAuthentication object (as created by the FrontendUserAuthenticator middleware).', 1590740612);
  79         }
  80
  81         $controller = GeneralUtility::makeInstance(
  82             TypoScriptFrontendController::class,
  83             $this->context,
  84             $site,
  85             $request->getAttribute('language', $site->getDefaultLanguage()),
  86             $pageArguments,
  87             $frontendUser
  88         );
  89         if ($pageArguments->getArguments()['no_cache'] ?? $request->getParsedBody()['no_cache'] ?? false) {
  90             $controller->set_no_cache('&no_cache=1 has been supplied, so caching is disabled! URL: "' . (string)$request->getUri() . '"');
  91         }
  92         // Usually only set by the PageArgumentValidator
  93         if ($request->getAttribute('noCache', false)) {
  94             $controller->no_cache = 1;
  95         }
  96
  97         $controller->determineId($request);
  98
  99         // Make TSFE globally available
 100         $GLOBALS['TSFE'] = $controller;
 101         return $handler->handle($request);
 102     }
 103 }