nextcloud/lib/public/AppFramework/Http/StreamResponse.php

69 lines
2.0 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @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 OCP\AppFramework\Http;
use OCP\AppFramework\Http;
/**
* Class StreamResponse
*
* @since 8.1.0
*/
class StreamResponse extends Response implements ICallbackResponse {
/** @var string */
private $filePath;
/**
* @param string|resource $filePath the path to the file or a file handle which should be streamed
* @since 8.1.0
*/
public function __construct($filePath) {
parent::__construct();
$this->filePath = $filePath;
}
/**
* Streams the file using readfile
*
* @param IOutput $output a small wrapper that handles output
* @since 8.1.0
*/
public function callback(IOutput $output) {
// handle caching
if ($output->getHttpResponseCode() !== Http::STATUS_NOT_MODIFIED) {
if (!(is_resource($this->filePath) || file_exists($this->filePath))) {
$output->setHttpResponseCode(Http::STATUS_NOT_FOUND);
} elseif ($output->setReadfile($this->filePath) === false) {
$output->setHttpResponseCode(Http::STATUS_BAD_REQUEST);
}
}
}
}