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<?php
/**
* Nextcloud - user_sql
*
* @copyright 2018 Marcin Łojewski <dev@mlojewski.me>
* @author Marcin Łojewski <dev@mlojewski.me>
*
* 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 <https://www.gnu.org/licenses/>.
*/
namespace OCA\UserSQL\Crypto;
use OCP\IL10N;
/**
* Joomla hash implementation.
*
* @author Marcin Łojewski <dev@mlojewski.me>
*/
class Joomla extends AbstractAlgorithm
{
/**
* The class constructor.
*
* @param IL10N $localization The localization service.
*/
public function __construct(IL10N $localization)
{
parent::__construct($localization);
}
/**
* @inheritdoc
*/
public function getPasswordHash($password, $salt = null)
{
$salt = Utils::randomString(
32, "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
);
return md5($password . $salt) . ":" . $salt;
}
/**
* @inheritdoc
*/
public function checkPassword($password, $dbHash, $salt = null)
{
return hash_equals($dbHash, self::generateHash($password, $dbHash));
}
private static function generateHash($password, $dbHash)
{
$split_salt = preg_split("/:/", $dbHash);
$salt = false;
if (isset($split_salt[1])) {
$salt = $split_salt[1];
}
$pwHash = ($salt) ? md5($password . $salt) : md5($password);
$pwHash .= ":" . $salt;
return $pwHash;
}
/**
* @inheritdoc
*/
protected function getAlgorithmName()
{
return "Joomla MD5 Encryption";
}
}
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