firefox-os

I've been looking into packaged apps for Firefox OS and I'm relying on the Simulator since I don't have a build of the OS on a device. I'm having trouble with XHR requests and I'm not sure if the issue is a setting I'm overlooking or if the Simulator is just buggy. My reading of the documentation suggests adding permissions for network-http should be sufficient for making XHR requests to a web service. I have also seen in source code a systemXHR permission. I've tried both but so far no joy. I'm using the simulator with Firefox for OS X and my manifest looks like so: Manifest: { "version": "0

So I've got this Go http handler that stores some POST content into the datastore and retrieves some other info in response. On the back-end I use: func handleMessageQueue(w http.ResponseWriter, r *http.Request) { w.Header().Set("Access-Control-Allow-Origin", "*") if r.Method == "POST" { c := appengine.NewContext(r) body, _ := ioutil.ReadAll(r.Body) auth := string(body[:]) r.Body.Close() q := datastore.NewQuery("Message").Order("-Date") var msg []Message key, err := q.GetAll(c, &msg) if err != nil { c.Errorf("fetching msg: %v", err) return } w.Header().Set("Content-Type", "application/json")