118 lines
3.3 KiB
PHP
118 lines
3.3 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
*
|
|
* @author Joas Schilling <coding@schilljs.com>
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
*
|
|
* @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 OCP\IDBConnection;
|
|
use OCP\IGroupManager;
|
|
use OCP\Migration\IOutput;
|
|
use OCP\Migration\IRepairStep;
|
|
use OCP\Share;
|
|
|
|
class OldGroupMembershipShares implements IRepairStep {
|
|
|
|
/** @var \OCP\IDBConnection */
|
|
protected $connection;
|
|
|
|
/** @var \OCP\IGroupManager */
|
|
protected $groupManager;
|
|
|
|
/**
|
|
* @var array [gid => [uid => (bool)]]
|
|
*/
|
|
protected $memberships;
|
|
|
|
/**
|
|
* @param IDBConnection $connection
|
|
* @param IGroupManager $groupManager
|
|
*/
|
|
public function __construct(IDBConnection $connection, IGroupManager $groupManager) {
|
|
$this->connection = $connection;
|
|
$this->groupManager = $groupManager;
|
|
}
|
|
|
|
/**
|
|
* Returns the step's name
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getName() {
|
|
return 'Remove shares of old group memberships';
|
|
}
|
|
|
|
/**
|
|
* Run repair step.
|
|
* Must throw exception on error.
|
|
*
|
|
* @throws \Exception in case of failure
|
|
*/
|
|
public function run(IOutput $output) {
|
|
$deletedEntries = 0;
|
|
|
|
$query = $this->connection->getQueryBuilder();
|
|
$query->select('s1.id')->selectAlias('s1.share_with', 'user')->selectAlias('s2.share_with', 'group')
|
|
->from('share', 's1')
|
|
->where($query->expr()->isNotNull('s1.parent'))
|
|
// \OC\Share\Constant::$shareTypeGroupUserUnique === 2
|
|
->andWhere($query->expr()->eq('s1.share_type', $query->expr()->literal(2)))
|
|
->andWhere($query->expr()->isNotNull('s2.id'))
|
|
->andWhere($query->expr()->eq('s2.share_type', $query->expr()->literal(Share::SHARE_TYPE_GROUP)))
|
|
->leftJoin('s1', 'share', 's2', $query->expr()->eq('s1.parent', 's2.id'));
|
|
|
|
$deleteQuery = $this->connection->getQueryBuilder();
|
|
$deleteQuery->delete('share')
|
|
->where($query->expr()->eq('id', $deleteQuery->createParameter('share')));
|
|
|
|
$result = $query->execute();
|
|
while ($row = $result->fetch()) {
|
|
if (!$this->isMember($row['group'], $row['user'])) {
|
|
$deletedEntries += $deleteQuery->setParameter('share', (int) $row['id'])
|
|
->execute();
|
|
}
|
|
}
|
|
$result->closeCursor();
|
|
|
|
if ($deletedEntries) {
|
|
$output->info('Removed ' . $deletedEntries . ' shares where user is not a member of the group anymore');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $gid
|
|
* @param string $uid
|
|
* @return bool
|
|
*/
|
|
protected function isMember($gid, $uid) {
|
|
if (isset($this->memberships[$gid][$uid])) {
|
|
return $this->memberships[$gid][$uid];
|
|
}
|
|
|
|
$isMember = $this->groupManager->isInGroup($uid, $gid);
|
|
if (!isset($this->memberships[$gid])) {
|
|
$this->memberships[$gid] = [];
|
|
}
|
|
$this->memberships[$gid][$uid] = $isMember;
|
|
|
|
return $isMember;
|
|
}
|
|
}
|