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

   1 <?php
   2 declare(strict_types = 1);
   3
   4 namespace TYPO3\CMS\Frontend\Middleware;
   5
   6 /*
   7  * This file is part of the TYPO3 CMS project.
   8  *
   9  * It is free software; you can redistribute it and/or modify it under
  10  * the terms of the GNU General Public License, either version 2
  11  * of the License, or any later version.
  12  *
  13  * For the full copyright and license information, please read the
  14  * LICENSE.txt file that was distributed with this source code.
  15  *
  16  * The TYPO3 project - inspiring people to share!
  17  */
  18
  19 use Psr\Http\Message\ResponseInterface;
  20 use Psr\Http\Message\ServerRequestInterface;
  21 use Psr\Http\Server\MiddlewareInterface;
  22 use Psr\Http\Server\RequestHandlerInterface as PsrRequestHandlerInterface;
  23 use TYPO3\CMS\Core\TimeTracker\TimeTracker;
  24 use TYPO3\CMS\Core\Utility\GeneralUtility;
  25 use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
  26
  27 /**
  28  * Initialization of TypoScriptFrontendController
  29  *
  30  * Do all necessary preparation steps for rendering
  31  */
  32 class PrepareTypoScriptFrontendRendering implements MiddlewareInterface
  33 {
  34     /**
  35      * @var TypoScriptFrontendController
  36      */
  37     protected $controller;
  38
  39     /**
  40      * @var TimeTracker
  41      */
  42     protected $timeTracker;
  43
  44     public function __construct(TypoScriptFrontendController $controller = null, TimeTracker $timeTracker = null)
  45     {
  46         $this->controller = $controller ?: $GLOBALS['TSFE'];
  47         $this->timeTracker = $timeTracker ?: GeneralUtility::makeInstance(TimeTracker::class);
  48     }
  49
  50     /**
  51      * Initialize TypoScriptFrontendController to the point right before rendering of the page is triggered
  52      *
  53      * @param ServerRequestInterface $request
  54      * @param PsrRequestHandlerInterface $handler
  55      * @return ResponseInterface
  56      */
  57     public function process(ServerRequestInterface $request, PsrRequestHandlerInterface $handler): ResponseInterface
  58     {
  59         // Get from cache
  60         $this->timeTracker->push('Get Page from cache');
  61         // Locks may be acquired here
  62         $this->controller->getFromCache();
  63         $this->timeTracker->pull();
  64         // Get config if not already gotten
  65         // After this, we should have a valid config-array ready
  66         $this->controller->getConfigArray();
  67         // Setting language and locale
  68         $this->timeTracker->push('Setting language and locale');
  69         $this->controller->settingLanguage();
  70         $this->controller->settingLocale();
  71         $this->timeTracker->pull();
  72
  73         // Convert POST data to utf-8 for internal processing if metaCharset is different
  74         if ($this->controller->metaCharset !== 'utf-8' && is_array($_POST) && !empty($_POST)) {
  75             $this->convertCharsetRecursivelyToUtf8($_POST, $this->controller->metaCharset);
  76             $GLOBALS['HTTP_POST_VARS'] = $_POST;
  77             $parsedBody = $request->getParsedBody();
  78             $this->convertCharsetRecursivelyToUtf8($parsedBody, $this->controller->metaCharset);
  79             $request = $request->withParsedBody($parsedBody);
  80             $GLOBALS['TYPO3_REQUEST'] = $request;
  81         }
  82
  83         // @deprecated since TYPO3 v9.3, will be removed in TYPO3 v10.0
  84         $this->controller->initializeRedirectUrlHandlers(true);
  85
  86         // Hook for processing data submission to extensions
  87         // This is done at this point, because we need the config values
  88         foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/class.tslib_fe.php']['checkDataSubmission'] ?? [] as $className) {
  89             GeneralUtility::makeInstance($className)->checkDataSubmission($this->controller);
  90         }
  91
  92         return $handler->handle($request);
  93     }
  94
  95     /**
  96      * Small helper function to convert charsets for arrays to UTF-8
  97      *
  98      * @param mixed $data given by reference (string/array usually)
  99      * @param string $fromCharset convert FROM this charset
 100      */
 101     protected function convertCharsetRecursivelyToUtf8(&$data, string $fromCharset)
 102     {
 103         foreach ($data as $key => $value) {
 104             if (is_array($data[$key])) {
 105                 $this->convertCharsetRecursivelyToUtf8($data[$key], $fromCharset);
 106             } elseif (is_string($data[$key])) {
 107                 $data[$key] = mb_convert_encoding($data[$key], 'utf-8', $fromCharset);
 108             }
 109         }
 110     }
 111 }