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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2020 Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @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;
use OCP\IDBConnection;
use OCP\Share\IManager;
use OCP\Migration\IOutput;
use OCP\Migration\IRepairStep;
class RepairShareOwnership implements IRepairStep {
private IDBConnection $dbConnection;
private IManager $shareManager;
public function __construct(
IDBConnection $dbConnection,
IManager $shareManager
) {
$this->dbConnection = $dbConnection;
$this->shareManager = $shareManager;
}
/**
* @inheritDoc
*/
public function getName() {
return 'Repair shares ownership';
}
protected function repairWrongShareOwnership(IOutput $output, bool $dryRun = true) {
$qb = $this->dbConnection->getQueryBuilder();
$brokenShare = $qb
->select('s.id', 'm.user_id', 's.uid_owner', 's.uid_initiator', 's.share_with')
->from('share', 's')
->join('s', 'filecache', 'f', $qb->expr()->eq('s.item_source', 'f.fileid'))
->join('s', 'mounts', 'm', $qb->expr()->eq('f.storage', 'm.storage_id'))
->where($qb->expr()->neq('m.user_id', 's.uid_owner'))
->andWhere($qb->expr()->eq($qb->func()->concat($qb->expr()->literal('/'), 'm.user_id', $qb->expr()->literal('/')), 'm.mount_point'))
->executeQuery()
->fetchAll();
foreach ($brokenShare as $queryResult) {
$shareId = $queryResult['id'];
$initiator = $queryResult['uid_initiator'];
$receiver = $queryResult['share_with'];
$owner = $queryResult['uid_owner'];
$mountOwner = $queryResult['user_id'];
$output->info("Found share from $initiator to $receiver, owned by $owner, that should be owned by $mountOwner");
if ($dryRun) {
continue;
}
$share = $this->shareManager->getShareById($shareId);
if ($share->getShareOwner() === $share->getSharedBy()) {
$share->setSharedBy($mountOwner);
}
$share->setShareOwner($mountOwner);
$this->shareManager->updateShare($share);
}
}
/**
* @inheritDoc
*/
public function run(IOutput $output) {
$this->repairWrongShareOwnership($output);
}
}
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