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         // Starts the template
  60         $this->timeTracker->push('Start Template');
  61         $this->controller->initTemplate();
  62         $this->timeTracker->pull();
  63         // Get from cache
  64         $this->timeTracker->push('Get Page from cache');
  65         // Locks may be acquired here
  66         $this->controller->getFromCache();
  67         $this->timeTracker->pull();
  68         // Get config if not already gotten
  69         // After this, we should have a valid config-array ready
  70         $this->controller->getConfigArray();
  71         // Setting language and locale
  72         $this->timeTracker->push('Setting language and locale');
  73         $this->controller->settingLanguage();
  74         $this->controller->settingLocale();
  75         $this->timeTracker->pull();
  76
  77         // Convert POST data to utf-8 for internal processing if metaCharset is different
  78         $this->controller->convPOSTCharset();
  79
  80         $this->controller->initializeRedirectUrlHandlers();
  81         $this->controller->handleDataSubmission();
  82
  83         return $handler->handle($request);
  84     }
  85 }