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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2021 Robin Appelman <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program 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 Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OC\Authentication\Listeners; |
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use OC\Files\Cache\Cache; |
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use OCP\EventDispatcher\Event; |
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use OCP\EventDispatcher\IEventListener; |
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use OCP\Files\Config\IMountProviderCollection; |
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use OCP\Files\Storage\IStorage; |
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use OCP\User\Events\BeforeUserDeletedEvent; |
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use OCP\User\Events\UserDeletedEvent; |
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class UserDeletedFilesCleanupListener implements IEventListener { |
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/** @var array<string,IStorage> */ |
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private $homeStorageCache = []; |
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/** @var IMountProviderCollection */ |
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private $mountProviderCollection; |
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public function __construct(IMountProviderCollection $mountProviderCollection) { |
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$this->mountProviderCollection = $mountProviderCollection; |
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} |
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public function handle(Event $event): void { |
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// since we can't reliably get the user home storage after the user is deleted |
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// but the user deletion might get canceled during the before event |
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// we only cache the user home storage during the before event and then do the |
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// action deletion during the after event |
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if ($event instanceof BeforeUserDeletedEvent) { |
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$userHome = $this->mountProviderCollection->getHomeMountForUser($event->getUser()); |
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$storage = $userHome->getStorage(); |
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if (!$storage) { |
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throw new \Exception("User has no home storage"); |
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} |
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$this->homeStorageCache[$event->getUser()->getUID()] = $storage; |
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} |
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if ($event instanceof UserDeletedEvent) { |
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if (!isset($this->homeStorageCache[$event->getUser()->getUID()])) { |
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throw new \Exception("UserDeletedEvent fired without matching BeforeUserDeletedEvent"); |
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} |
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$storage = $this->homeStorageCache[$event->getUser()->getUID()]; |
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$cache = $storage->getCache(); |
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if ($cache instanceof Cache) { |
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$cache->clear(); |
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} else { |
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throw new \Exception("Home storage has invalid cache"); |
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} |
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$storage->rmdir(''); |
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} |
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} |
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} |
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nextcloud /
server
