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PHP

<?php
declare(strict_types=1);
/*
* 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!
*/
namespace TYPO3\CMS\Backend\Controller;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
use TYPO3\CMS\Core\DataHandling\DataHandler;
use TYPO3\CMS\Core\Http\JsonResponse;
use TYPO3\CMS\Core\Localization\LanguageService;
use TYPO3\CMS\Core\Type\Bitmask\Permission;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Handles clearing caches from the clear cache toolbar item and the records module.
*
* @internal This class is a specific Backend controller implementation and is not part of the TYPO3's Core API.
*/
readonly class ClearCacheController
{
public function flushCacheGroupPagesAction(ServerRequestInterface $request): ResponseInterface
{
$dataHandler = GeneralUtility::makeInstance(DataHandler::class);
$dataHandler->start([], []);
$dataHandler->clear_cacheCmd('pages');
$languageService = $this->getLanguageService();
return new JsonResponse([
'success' => true,
'title' => $languageService->sL('core.cache:notification.group.pages.success.title'),
'message' => $languageService->sL('core.cache:notification.group.pages.success.message'),
]);
}
public function flushCacheGroupAllAction(ServerRequestInterface $request): ResponseInterface
{
$dataHandler = GeneralUtility::makeInstance(DataHandler::class);
$dataHandler->start([], []);
$dataHandler->clear_cacheCmd('all');
$languageService = $this->getLanguageService();
return new JsonResponse([
'success' => true,
'title' => $languageService->sL('core.cache:notification.group.all.success.title'),
'message' => $languageService->sL('core.cache:notification.group.all.success.message'),
]);
}
public function flushCachePageAction(ServerRequestInterface $request): ResponseInterface
{
$parsedBody = $request->getParsedBody();
$pageUid = (int)($parsedBody['id'] ?? 0);
$languageService = $this->getLanguageService();
$permissionClause = $this->getBackendUser()->getPagePermsClause(Permission::PAGE_SHOW);
$pageRow = BackendUtility::readPageAccess($pageUid, $permissionClause);
if ($pageUid !== 0 && $this->getBackendUser()->doesUserHaveAccess($pageRow, Permission::PAGE_SHOW)) {
$dataHandler = GeneralUtility::makeInstance(DataHandler::class);
$dataHandler->start([], []);
$dataHandler->clear_cacheCmd($pageUid);
return new JsonResponse([
'success' => true,
'title' => $languageService->sL('core.cache:notification.page.success.title'),
'message' => sprintf($languageService->sL('core.cache:notification.page.success.message'), BackendUtility::getRecordTitle('pages', $pageRow)),
]);
}
return new JsonResponse([
'success' => false,
'title' => $languageService->sL('core.cache:notification.page.error.title'),
'message' => $languageService->sL('core.cache:notification.page.error.message'),
]);
}
protected function getBackendUser(): BackendUserAuthentication
{
return $GLOBALS['BE_USER'];
}
protected function getLanguageService(): LanguageService
{
return $GLOBALS['LANG'];
}
}