CacheHashEnforcer.php

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<?php
declare(strict_types = 1);
namespace ‪TYPO3\CMS\Extbase\Mvc\Web;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
use ‪TYPO3\CMS\Core\SingletonInterface;
use ‪TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
use ‪TYPO3\CMS\Frontend\Page\CacheHashCalculator;
 
class ‪CacheHashEnforcer implements ‪SingletonInterface
{
    protected ‪$cacheHashCalculator;
 
    protected ‪$typoScriptFrontendController;
 
    public function ‪__construct(
        ‪CacheHashCalculator ‪$cacheHashCalculator,
        ‪TypoScriptFrontendController ‪$typoScriptFrontendController = null
    ) {
        $this->cacheHashCalculator = ‪$cacheHashCalculator;
        $this->typoScriptFrontendController = ‪$typoScriptFrontendController ?: ‪$GLOBALS['TSFE'];
    }
 
    public function ‪enforceForRequest(‪Request $request, string $pluginNamespace)
    {
        $arguments = $request->‪getArguments();
        if (is_array($arguments) && count($arguments) > 0) {
            $parameters = [$pluginNamespace => $arguments];
            $parameters['id'] = $this->typoScriptFrontendController->id;
            $relevantParameters = $this->cacheHashCalculator->getRelevantParameters(
                http_build_query($parameters, '', '&', PHP_QUERY_RFC3986)
            );
            if (count($relevantParameters) > 0) {
                $this->typoScriptFrontendController->reqCHash();
            }
        }
    }
}