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<?php
declare(strict_types=1);
/*
* @copyright 2022 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author 2022 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 OCP\Security;
/**
* Validator for remote hosts
*
* @since 26.0.0
*/
interface IRemoteHostValidator {
/**
* Validate if a host may be connected to
*
* By default, Nextcloud does not connect to any local servers. That is neither
* localhost nor any host in the local network.
*
* Admins can overwrite this behavior with the global `allow_local_remote_servers`
* settings flag. If the flag is set to `true`, local hosts will be considered
* valid.
*
* @param string $host hostname of the remote server, IPv4 or IPv6 address
*
* @return bool
* @since 26.0.0
*/
public function isValid(string $host): bool;
}
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