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<?php
declare(strict_types=1);
/**
* @copyright 2016 Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Julius Härtl <jus@bitgrid.net>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Repair\Owncloud;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\BackgroundJob\IJobList;
use OCP\BackgroundJob\QueuedJob;
use OCP\Files\Folder;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\IUserManager;
use Psr\Log\LoggerInterface;
class CleanPreviewsBackgroundJob extends QueuedJob {
public function __construct(
private IRootFolder $rootFolder,
private LoggerInterface $logger,
private IJobList $jobList,
ITimeFactory $timeFactory,
private IUserManager $userManager,
) {
parent::__construct($timeFactory);
}
public function run($arguments) {
$uid = $arguments['uid'];
if (!$this->userManager->userExists($uid)) {
$this->logger->info('User no longer exists, skip user ' . $uid);
return;
}
$this->logger->info('Started preview cleanup for ' . $uid);
$empty = $this->cleanupPreviews($uid);
if (!$empty) {
$this->jobList->add(self::class, ['uid' => $uid]);
$this->logger->info('New preview cleanup scheduled for ' . $uid);
} else {
$this->logger->info('Preview cleanup done for ' . $uid);
}
}
/**
* @param string $uid
*/
private function cleanupPreviews($uid): bool {
try {
$userFolder = $this->rootFolder->getUserFolder($uid);
} catch (NotFoundException $e) {
return true;
}
$userRoot = $userFolder->getParent();
try {
/** @var Folder $thumbnailFolder */
$thumbnailFolder = $userRoot->get('thumbnails');
} catch (NotFoundException $e) {
return true;
}
$thumbnails = $thumbnailFolder->getDirectoryListing();
$start = $this->time->getTime();
foreach ($thumbnails as $thumbnail) {
try {
$thumbnail->delete();
} catch (NotPermittedException $e) {
// Ignore
}
if (($this->time->getTime() - $start) > 15) {
return false;
}
}
try {
$thumbnailFolder->delete();
} catch (NotPermittedException $e) {
// Ignore
}
return true;
}
}
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