dom/xhr/tests/file_XHRSendData.sjs


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const CC = Components.Constructor;
const BinaryInputStream = CC(
  "@mozilla.org/binaryinputstream;1",
  "nsIBinaryInputStream",
  "setInputStream"
);

function handleRequest(request, response) {
  if (request.hasHeader("Content-Type")) {
    response.setHeader(
      "Result-Content-Type",
      request.getHeader("Content-Type")
    );
  }

  response.setHeader("Content-Type", "text/plain; charset=ISO-8859-1");

  var body = new BinaryInputStream(request.bodyInputStream);
  var avail;
  var bytes = [];
  while ((avail = body.available()) > 0) {
    Array.prototype.push.apply(bytes, body.readByteArray(avail));
  }

  var data = String.fromCharCode.apply(null, bytes);
  response.setHeader("Result-Content-Length", "" + data.length);
  if (data.includes("TEST_REDIRECT_STR")) {
    var newURL = "http://" + data.split("&url=")[1];
    response.setStatusLine(null, 307, "redirect");
    response.setHeader("Location", newURL, false);
  } else {
    response.write(data);
  }
}