function getInputStream(path) {
  var file = Cc["@mozilla.org/file/directory_service;1"]
    .getService(Ci.nsIProperties)
    .get("CurWorkD", Ci.nsIFile);
  var fis = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(
    Ci.nsIFileInputStream
  );
  var split = path.split("/");
  for (var i = 0; i < split.length; ++i) {
    file.append(split[i]);
  }
  fis.init(file, -1, -1, false);
  return fis;
}

function handleRequest(request, response) {
  var inputStream = getInputStream(
    "tests/dom/base/test/bug638112-response.txt"
  );
  response.seizePower();
  response.bodyOutputStream.writeFrom(inputStream, inputStream.available());
  response.finish();
  inputStream.close();
}