.setBody(fileToBytes(file))
        .addHeader("content-type: " + contentType(path));
  }

  private Buffer fileToBytes(File file) throws IOException {
    Buffer result = new Buffer();
    result.writeAll(Okio.source(file));
    return result;
  }

  private String contentType(String path) {
    if (path.endsWith(".png")) return "image/png";
    if (path.endsWith(".jpg")) return "image/jpeg";

                socket = socket,
                stream = stream,
              ).buffer()
          requestBodySink.use {
            it.writeAll(stream.source)
          }
        } catch (e: IOException) {
          exception = e
        } finally {
          bodyByteString = body.readByteString()
        }
      }