var server = require("http").createServer(function (request, response) {
  var data = "";

  request.on("data", function(data_) {
    data += data_;
  }).on("end", function() {
    if (data) {
      var text = require("querystring").parse(data).text;
      // text === "stuff"
      response.writeHead(200, {
          'Content-Type': 'audio/mp3',
          'Content-Disposition': 'attachment; filename="tts.mp3"'
      });
    } else {
      response.end('No text to convert.');
    }
  });
}).listen(8080);