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<?php |
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namespace Aoe\Varnish\TYPO3\Hooks; |
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/*************************************************************** |
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* Copyright notice |
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* |
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* (c) 2018 AOE GmbH <[email protected]> |
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* |
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* All rights reserved |
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* |
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* This script is part of the TYPO3 project. The TYPO3 project is |
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* free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* The GNU General Public License can be found at |
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* http://www.gnu.org/copyleft/gpl.html. |
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* |
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* This script is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* This copyright notice MUST APPEAR in all copies of the script! |
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***************************************************************/ |
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use Aoe\Varnish\System\Varnish; |
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use Psr\Http\Message\ServerRequestInterface; |
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use TYPO3\CMS\Core\Authentication\BackendUserAuthentication; |
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use TYPO3\CMS\Core\Http\Response; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Extbase\Object\ObjectManager; |
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class BackendAjaxHook extends AbstractHook |
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{ |
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public function banAll(ServerRequestInterface $request): Response |
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{ |
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$varnish = $this->getVarnish(); |
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$varnish->banAll(); |
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if ($this->isAuthorizedBackendSession()) { |
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$this->getBackendUser()->writelog( |
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3, |
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1, |
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0, |
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0, |
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'User %s has cleared the Varnish cache', |
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[$this->getBackendUser()->user['username']] |
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); |
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} |
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// We need to return a response to satisfy the |
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// TYPO3\CMS\Backend\Http\RouteDispatcher::dispatch() |
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// don't like the solution, but haven't come up with something better yet. |
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return new Response(); |
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} |
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protected function getVarnish(): Varnish |
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{ |
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$objectManager = GeneralUtility::makeInstance(ObjectManager::class); |
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$this->varnish = $objectManager->get(Varnish::class); |
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return $this->varnish; |
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} |
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/** |
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* Checks if a user is logged in and the session is active. |
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* |
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* @return bool |
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*/ |
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protected function isAuthorizedBackendSession() |
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{ |
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$backendUser = $this->getBackendUser(); |
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return $backendUser !== null && $backendUser instanceof BackendUserAuthentication && isset($backendUser->user['uid']); |
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} |
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/** |
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* @return BackendUserAuthentication|null |
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*/ |
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protected function getBackendUser() |
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{ |
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return isset($GLOBALS['BE_USER']) ? $GLOBALS['BE_USER'] : null; |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.