/**
* Send HTTP response
*
* @param KDispatcherResponseInterface $response
* @return boolean
*/
public function send(KDispatcherResponseInterface $response)
{
$request = $response->getRequest();
if ($response->isStreamable()) {
//Explicitly set the Accept Ranges header to bytes to inform client we accept range requests
$response->headers->set('Accept-Ranges', 'bytes');
//Set a file etag
$response->headers->set('etag', $this->getFileEtag($response));
if ($request->isStreaming()) {
if ($response->isSuccess()) {
//Default Content-Type Header
if (!$response->headers->has('Content-Type')) {
$response->headers->set('Content-Type', 'application/octet-stream');
}
//Content Range Headers
$offset = $this->getOffset($response);
$range = $this->getRange($response);
$size = $this->getFileSize($response);
$response->setStatus(KHttpResponse::PARTIAL_CONTENT);
$response->headers->set('Content-Length', $range - $offset + 1);
$response->headers->set('Content-Range', sprintf('bytes %s-%s/%s', $offset, $range, $size));
}
if ($response->isError()) {
/**
* A server sending a response with status code 416 (Requested range not satisfiable) SHOULD include a
* Content-Range field with a byte-range- resp-spec of "*". The instance-length specifies the current
* length of the selected resource.
*
* @see : http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.16
*/
if ($response->getStatusCode() == KHttpResponse::REQUESTED_RANGE_NOT_SATISFIED) {
$size = $this->getFileSize($response);
$response->headers->set('Content-Range', sprintf('bytes */%s', $size));
}
}
}
}
return parent::send($response);
}