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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
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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