74 lines
2.6 KiB
PHP
74 lines
2.6 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2021 Robin Appelman <robin@icewind.nl>
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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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