nextcloud/lib/private/Authentication/Login/EmailLoginCommand.php

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<?php
/**
* @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author 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/>.
*
*/
declare(strict_types=1);
namespace OC\Authentication\Login;
use OCP\IUserManager;
class EmailLoginCommand extends ALoginCommand {
/** @var IUserManager */
private $userManager;
public function __construct(IUserManager $userManager) {
$this->userManager = $userManager;
}
public function process(LoginData $loginData): LoginResult {
if ($loginData->getUser() === false) {
$users = $this->userManager->getByEmail($loginData->getUsername());
// we only allow login by email if unique
if (count($users) === 1) {
$username = $users[0]->getUID();
if ($username !== $loginData->getUsername()) {
$user = $this->userManager->checkPassword(
$username,
$loginData->getPassword()
);
if ($user !== false) {
$loginData->setUser($user);
$loginData->setUsername($username);
}
}
}
}
return $this->processNextOrFinishSuccessfully($loginData);
}
}