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<?php
/**
* @copyright Copyright (c) 2022 Louis Chmn <louis@chmn.me>
*
* @author Louis Chmn <louis@chmn.me>
*
* @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 OCA\Photos\Sabre;
use OC\Security\Bruteforce\Throttler;
use OCA\Photos\Album\AlbumMapper;
use OCA\Photos\Album\AlbumWithFiles;
use OCP\IRequest;
use Sabre\DAV\Auth\Backend\AbstractBasic;
class PublicAlbumAuthBackend extends AbstractBasic {
private const BRUTEFORCE_ACTION = 'public_webdav_auth';
private ?AlbumWithFiles $album = null;
private IRequest $request;
private AlbumMapper $albumMapper;
private Throttler $throttler;
public function __construct(
IRequest $request,
AlbumMapper $albumMapper,
Throttler $throttler
) {
$this->request = $request;
$this->albumMapper = $albumMapper;
$this->throttler = $throttler;
// setup realm
$defaults = new \OCP\Defaults();
$this->realm = $defaults->getName();
}
/**
* Validates the token.
*
* @param string $username
* @return bool
* @throws \Sabre\DAV\Exception\NotAuthenticated
*/
protected function validateUserPass($username, $password) {
$this->throttler->sleepDelayOrThrowOnMax($this->request->getRemoteAddress(), self::BRUTEFORCE_ACTION);
$albums = $this->albumMapper->getSharedAlbumsForCollaboratorWithFiles($username, AlbumMapper::TYPE_LINK);
if (count($albums) !== 1) {
$this->throttler->registerAttempt(self::BRUTEFORCE_ACTION, $this->request->getRemoteAddress());
return false;
}
$this->album = $albums[0];
\OC_User::setIncognitoMode(true);
return true;
}
public function getShare(): AlbumWithFiles {
assert($this->album !== null);
return $this->album;
}
}
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