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<?php
declare(strict_types=1);
/**
* @copyright 2018 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author 2018 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @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\Authentication\TwoFactorAuth\Db;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
/**
* Data access object to query and assign (provider_id, uid, enabled) tuples of
* 2FA providers
*/
class ProviderUserAssignmentDao {
const TABLE_NAME = 'twofactor_providers';
/** @var IDBConnection */
private $conn;
public function __construct(IDBConnection $dbConn) {
$this->conn = $dbConn;
}
/**
* Get all assigned provider IDs for the given user ID
*
* @return string[] where the array key is the provider ID (string) and the
* value is the enabled state (bool)
*/
public function getState(string $uid): array {
$qb = $this->conn->getQueryBuilder();
$query = $qb->select('provider_id', 'enabled')
->from(self::TABLE_NAME)
->where($qb->expr()->eq('uid', $qb->createNamedParameter($uid)));
$result = $query->execute();
$providers = [];
foreach ($result->fetchAll() as $row) {
$providers[$row['provider_id']] = 1 === (int)$row['enabled'];
}
$result->closeCursor();
return $providers;
}
/**
* Persist a new/updated (provider_id, uid, enabled) tuple
*/
public function persist(string $providerId, string $uid, int $enabled) {
$qb = $this->conn->getQueryBuilder();
$this->conn->beginTransaction();
// To prevent duplicate primary key, we have to first check if an INSERT
// or UPDATE is required
$query = $qb->select('*')
->from(self::TABLE_NAME)
->where($qb->expr()->eq('provider_id', $qb->createNamedParameter($providerId)))
->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($uid)));
$result = $query->execute();
$rowCount = count($result->fetchAll());
$result->closeCursor();
if ($rowCount > 0) {
// There is an entry -> update it
$updateQuery = $qb->update(self::TABLE_NAME)
->set('enabled', $qb->createNamedParameter($enabled))
->where($qb->expr()->eq('provider_id', $qb->createNamedParameter($providerId)))
->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($uid)));
$updateQuery->execute();
} else {
// Insert a new entry
$insertQuery = $qb->insert(self::TABLE_NAME)->values([
'provider_id' => $qb->createNamedParameter($providerId),
'uid' => $qb->createNamedParameter($uid),
'enabled' => $qb->createNamedParameter($enabled, IQueryBuilder::PARAM_INT),
]);
$insertQuery->execute();
}
$this->conn->commit();
}
}
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