owncloud/core

<?php
/**
 * @author Christoph Wurst <christoph@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @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\Authentication\Token;

use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Db\Mapper;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
use OCP\IUser;

class DefaultTokenMapper extends Mapper {
    public function __construct(IDBConnection $db) {
        parent::__construct($db, 'authtoken');
    }

    /**
     * Invalidate (delete) a given token
     *
     * @param string $token
     */
    public function invalidate($token) {
        $qb = $this->db->getQueryBuilder();
        $qb->delete('authtoken')
            ->andWhere($qb->expr()->eq('token', $qb->createParameter('token')))
            ->setParameter('token', $token)
            ->execute();
    }

    /**
     * @param int $olderThan
     */
    public function invalidateOld($olderThan) {
        /* @var $qb IQueryBuilder */
        $qb = $this->db->getQueryBuilder();
        $qb->delete('authtoken')
            ->where($qb->expr()->lt('last_activity', $qb->createParameter('last_activity')))
            ->andWhere($qb->expr()->eq('type', $qb->createParameter('type')))
            ->setParameter('last_activity', $olderThan, IQueryBuilder::PARAM_INT)
            ->setParameter('type', IToken::TEMPORARY_TOKEN, IQueryBuilder::PARAM_INT)
            ->execute();
    }

    /**
     * Get the user UID for the given token
     *
     * @param string $token
     * @throws DoesNotExistException
     * @return DefaultToken
     */
    public function getToken($token) {
        /* @var $qb IQueryBuilder */
        $qb = $this->db->getQueryBuilder();
        $result = $qb->select('id', 'uid', 'login_name', 'password', 'name', 'type', 'token', 'last_activity', 'last_check')
            ->from('authtoken')
            ->where($qb->expr()->eq('token', $qb->createParameter('token')))
            ->setParameter('token', $token)
            ->execute();

        $data = $result->fetch();
        $result->closeCursor();
        if ($data === false) {
            throw new DoesNotExistException('token does not exist');
        }
        return DefaultToken::fromRow($data);
    }

    /**
     * Get all token of a user
     *
     * The provider may limit the number of result rows in case of an abuse
     * where a high number of (session) tokens is generated
     *
     * @param IUser $user
     * @return DefaultToken[]
     */
    public function getTokenByUser(IUser $user) {
        /* @var $qb IQueryBuilder */
        $qb = $this->db->getQueryBuilder();
        $qb->select('id', 'uid', 'login_name', 'password', 'name', 'type', 'token', 'last_activity', 'last_check')
            ->from('authtoken')
            ->where($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())))
            ->setMaxResults(1000);
        $result = $qb->execute();
        $data = $result->fetchAll();
        $result->closeCursor();

        $entities = \array_map(function ($row) {
            return DefaultToken::fromRow($row);
        }, $data);

        return $entities;
    }

    /**
     * @param IUser $user
     * @param int $id
     */
    public function deleteById(IUser $user, $id) {
        /* @var $qb IQueryBuilder */
        $qb = $this->db->getQueryBuilder();
        $qb->delete('authtoken')
            ->where($qb->expr()->eq('id', $qb->createNamedParameter($id)))
            ->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())));
        $qb->execute();
    }
}