const CC = Components.Constructor; const BinaryInputStream = CC( "@mozilla.org/binaryinputstream;1", "nsIBinaryInputStream", "setInputStream" ); function handleRequest(request, response) { response.setHeader("Content-Type", "text/plain", false); if (request.method == "GET") { response.write(request.queryString); } else { 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); if (request.queryString) { data = data + "?" + request.queryString; } response.bodyOutputStream.write(data, data.length); } }