Beispiel #1
0
 /**
  * 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);
 }