nextcloud/lib/private/Repair/AvatarPermissions.php

116 lines
3.1 KiB
PHP

<?php
/**
* @author Roeland Jago Douma <rullzer@owncloud.com>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Repair;
use Doctrine\DBAL\Platforms\OraclePlatform;
use OCP\IDBConnection;
use OCP\Migration\IOutput;
use OCP\Migration\IRepairStep;
/**
* Class AvatarPermissions
*
* @package OC\Repair
*/
class AvatarPermissions implements IRepairStep {
/** @var IDBConnection */
private $connection;
/**
* AvatarPermissions constructor.
*
* @param IDBConnection $connection
*/
public function __construct(IDBConnection $connection) {
$this->connection = $connection;
}
/**
* @return string
*/
public function getName() {
return 'Fix permissions so avatars can be stored again';
}
/**
* @param IOutput $output
*/
public function run(IOutput $output) {
$output->startProgress(2);
$this->fixUserRootPermissions();
$output->advance();
$this->fixAvatarPermissions();
$output->finishProgress();
}
/**
* Make sure all user roots have permissions 23 (all but share)
*/
protected function fixUserRootPermissions() {
$qb = $this->connection->getQueryBuilder();
$qb2 = $this->connection->getQueryBuilder();
$qb->select('numeric_id')
->from('storages')
->where($qb->expr()->like('id', $qb2->createParameter('like')));
if ($this->connection->getDatabasePlatform() instanceof OraclePlatform) {
// '' is null on oracle
$path = $qb2->expr()->isNull('path');
} else {
$path = $qb2->expr()->eq('path', $qb2->createNamedParameter(''));
}
$qb2->update('filecache')
->set('permissions', $qb2->createNamedParameter(23))
->where($path)
->andWhere($qb2->expr()->in('storage', $qb2->createFunction($qb->getSQL())))
->andWhere($qb2->expr()->neq('permissions', $qb2->createNamedParameter(23)))
->setParameter('like', 'home::%');
$qb2->execute();
}
/**
* Make sure all avatar files in the user roots have permission 27
*/
protected function fixAvatarPermissions() {
$qb = $this->connection->getQueryBuilder();
$qb2 = $this->connection->getQueryBuilder();
$qb->select('numeric_id')
->from('storages')
->where($qb->expr()->like('id', $qb2->createParameter('like')));
$qb2->update('filecache')
->set('permissions', $qb2->createNamedParameter(27))
->where($qb2->expr()->like('path', $qb2->createNamedParameter('avatar.%')))
->andWhere($qb2->expr()->in('storage', $qb2->createFunction($qb->getSQL())))
->andWhere($qb2->expr()->neq('permissions', $qb2->createNamedParameter(27)))
->setParameter('like', 'home::%');
$qb2->execute();
}
}