nextcloud/apps/files_external/3rdparty/icewind/streams/src/WriteHashWrapper.php

38 lines
1.3 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2019 Robin Appelman <robin@icewind.nl>
*
* @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 Icewind\Streams;
/**
* Wrapper that calculates the hash on the stream on write
*
* The stream and hash should be passed in when wrapping the stream.
* On close the callback will be called with the calculated checksum.
*
* For supported hashes see: http://php.net/manual/en/function.hash-algos.php
*/
class WriteHashWrapper extends HashWrapper {
public function stream_write($data) {
$this->updateHash($data);
return parent::stream_write($data);
}
}