nextcloud/lib/repair/repairinvalidshares.php

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<?php
/**
2015-10-05 21:54:56 +03:00
* @author Morris Jobke <hey@morrisjobke.de>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @copyright Copyright (c) 2015, 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 OC\Hooks\BasicEmitter;
/**
* Repairs shares with invalid data
*/
class RepairInvalidShares extends BasicEmitter implements \OC\RepairStep {
/**
* @var \OCP\IConfig
*/
protected $config;
/**
* @var \OCP\IDBConnection
*/
protected $connection;
/**
* @param \OCP\IConfig $config
* @param \OCP\IDBConnection $connection
*/
public function __construct($config, $connection) {
$this->connection = $connection;
$this->config = $config;
}
public function getName() {
return 'Repair invalid shares';
}
/**
* Past bugs would make it possible to set an expiration date on user shares even
* though it is not supported. This functions removes the expiration date from such entries.
*/
private function removeExpirationDateFromNonLinkShares() {
$builder = $this->connection->getQueryBuilder();
$builder
->update('share')
->set('expiration', 'null')
->where($builder->expr()->isNotNull('expiration'))
->andWhere($builder->expr()->neq('share_type', $builder->expr()->literal(\OC\Share\Constants::SHARE_TYPE_LINK)));
$updatedEntries = $builder->execute();
if ($updatedEntries > 0) {
$this->emit('\OC\Repair', 'info', array('Removed invalid expiration date from ' . $updatedEntries . ' shares'));
}
}
public function run() {
$ocVersionFromBeforeUpdate = $this->config->getSystemValue('version', '0.0.0');
if (version_compare($ocVersionFromBeforeUpdate, '8.2.0.7', '<')) {
// this situation was only possible before 8.2
$this->removeExpirationDateFromNonLinkShares();
}
}
}