server/lib/public/appframework/http/streamresponse.php

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<?php
/**
* @author Bernhard Posselt
* @copyright 2015 Bernhard Posselt <dev@bernhard-posselt.com>
*
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OCP\AppFramework\Http;
use OCP\AppFramework\Http;
/**
* Class StreamResponse
*
* @package OCP\AppFramework\Http
*/
class StreamResponse extends Response implements ICallbackResponse {
/** @var string */
private $filePath;
/**
* @param string $filePath the path to the file which should be streamed
*/
public function __construct ($filePath) {
$this->filePath = $filePath;
}
/**
* Streams the file using readfile
*
* @param IOutput a small wrapper that handles output
*/
public function callback (IOutput $output) {
// handle caching
if ($output->getHttpResponseCode() !== Http::STATUS_NOT_MODIFIED) {
if (!file_exists($this->filePath)) {
$output->setHttpResponseCode(Http::STATUS_NOT_FOUND);
} elseif ($output->setReadfile($this->filePath) === false) {
$output->setHttpResponseCode(Http::STATUS_BAD_REQUEST);
}
}
}
}