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<?php
/**
* @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 OC\BackgroundJob\QueuedJob;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\BackgroundJob\IJobList;
use OCP\Files\Folder;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\ILogger;
use OCP\IUserManager;
class CleanPreviewsBackgroundJob extends QueuedJob {
/** @var IRootFolder */
private $rootFolder;
/** @var ILogger */
private $logger;
/** @var IJobList */
private $jobList;
/** @var ITimeFactory */
private $timeFactory;
/** @var IUserManager */
private $userManager;
/**
* CleanPreviewsBackgroundJob constructor.
*
* @param IRootFolder $rootFolder
* @param ILogger $logger
* @param IJobList $jobList
* @param ITimeFactory $timeFactory
* @param IUserManager $userManager
*/
public function __construct(IRootFolder $rootFolder,
ILogger $logger,
IJobList $jobList,
ITimeFactory $timeFactory,
IUserManager $userManager) {
$this->rootFolder = $rootFolder;
$this->logger = $logger;
$this->jobList = $jobList;
$this->timeFactory = $timeFactory;
$this->userManager = $userManager;
}
public function run($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 $uid
* @return bool
*/
private function cleanupPreviews($uid) {
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 = $this->timeFactory->getTime();
foreach ($thumbnails as $thumbnail) {
try {
$thumbnail->delete();
} catch (NotPermittedException $e) {
// Ignore
}
if (($this->timeFactory->getTime() - $start) > 15) {
return false;
}
}
try {
$thumbnailFolder->delete();
} catch (NotPermittedException $e) {
// Ignore
}
return true;
}
}
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