Beispiel #1
0
func postPacketHandler(
	sdb *db.StationDB, cdb *db.ContactDB,
	w http.ResponseWriter, r *http.Request) {
	data, err := ioutil.ReadAll(r.Body)
	r.Body.Close()
	if err != nil {
		log.Printf("postPacketHandler: Error reading post body: %s",
			err.Error())
		http.Error(w, "Error reading post body",
			http.StatusInternalServerError)
		return
	}

	var req PostPacketRequest
	if err := json.Unmarshal(data, &req); err != nil {
		log.Printf("postPacketHandler: JSON decode error: %s",
			err.Error())
		http.Error(w, "Error decoding JSON data.",
			http.StatusBadRequest)
		return
	}

	log.Printf("request: %v", req)

	frame, err := base64.StdEncoding.DecodeString(req.FrameBase64)
	if err != nil {
		log.Printf("postPacketHandler: base64 decode error: %s",
			err.Error())
		http.Error(w, "Error decoding base64 frame.",
			http.StatusBadRequest)
		return
	}

	if req.StationId == "" {
		http.Error(w, "Missing station_id", http.StatusBadRequest)
		return
	}
	station, err := sdb.Lookup(req.StationId)
	if err != nil {
		log.Printf("Error looking up station: %s", err.Error())
		http.Error(w, "", http.StatusInternalServerError)
		return
	}

	contact, poperr := contacts.PopulateContact(
		req.SatelliteId,
		req.Timestamp,
		req.Format,
		frame,
		"",
		req.StationSecret,
		station)
	if poperr != nil {
		poperr.HttpError(w)
		return
	}

	log.Printf("Storing contact: %s", contact)

	err = cdb.Store(contact)
	if err != nil {
		log.Printf("Error storing contact: %s", err.Error())
		http.Error(w, "", http.StatusInternalServerError)
		return
	}

	w.WriteHeader(http.StatusOK)
	// Do we need to set content-length?
}
Beispiel #2
0
func satellitePostContactHandler(
	sdb *db.StationDB, cdb *db.ContactDB,
	w http.ResponseWriter, r *http.Request,
	user userView) {

	if r.Method != "POST" {
		http.Redirect(w, r, satelliteListUrl, http.StatusFound)
		return
	}
	if err := r.ParseForm(); err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}

	log.Printf("satellitePostContactHandler form: %v\n\n", r.Form)

	satellite_id := r.Form.Get("satellite_id")
	if satellite_id == "" {
		http.Error(w, "Missing satellite id", http.StatusBadRequest)
		return
	}
	sat := db.GlobalSatelliteDB().Map[satellite_id]
	if sat == nil {
		http.Error(w, "Unknown satellite id", http.StatusBadRequest)
		return
	}

	timestamp, err := strconv.ParseInt(r.Form.Get("timestamp"), 10, 64)
	if err != nil {
		http.Error(w, "Can't parse timestamp.", http.StatusBadRequest)
		return
	}

	data := r.Form.Get("data")
	frame := ([]byte)(data)

	var station *pb.Station

	// There are two options: logged-in or anonymous.
	if user.Id == "" {
		// Anonymous
		station = nil
	} else {
		// Logged-in user

		station_id := r.Form.Get("station_id")
		if station_id == "" {
			http.Error(
				w, "Missing station id", http.StatusBadRequest)
			return
		}

		station, err = sdb.Lookup(station_id)
		if err != nil {
			log.Printf("Error looking up station: %s", err.Error())
			http.Error(w, "", http.StatusInternalServerError)
			return
		}
	}

	contact, poperr := contacts.PopulateContact(
		satellite_id,
		timestamp,
		"FREEFORM",
		frame,
		user.Id,
		"",
		station)

	if poperr != nil {
		poperr.HttpError(w)
		return
	}

	log.Printf("Contact: %s", contact)

	err = cdb.Store(contact)
	if err != nil {
		log.Printf("Error storing contact: %s", err.Error())
		http.Error(w, "", http.StatusInternalServerError)
		return
	}

	var cc contactConfirmContext
	cc.SatelliteUrl = satelliteViewURL(*sat.Id)
	cc.SatelliteName = RenderSatelliteName(sat.Name)
	cc.Data = data

	if sat.Schema != nil {
		t := make([]pb.TelemetryDatum, 0)
		for _, b := range contact.Blob {
			if b.Format != nil &&
				*b.Format == pb.Contact_Blob_DATUM {
				t = append(t, *b.Datum)
			}
		}

		cc.Telemetry = fe_telemetry.RenderTelemetry(
			*sat.Schema, t, "en")
	}

	err = contactConfirmTemplate.Get().ExecuteTemplate(
		w, "contact_confirm.html", NewRenderContext(user, cc))
	if err != nil {
		log.Printf(
			"Error rendering contact_confirm view: %s", err.Error())
		http.Error(w, "", http.StatusInternalServerError)
		return
	}
}