func contactIQHandler(w http.ResponseWriter, r *http.Request, user userView) {
id := r.URL.Query().Get("id")
if id == "" {
http.Error(w, "'id' param missing", http.StatusBadRequest)
return
}
http.Redirect(w, r, scheduler.GetStreamURL(id), http.StatusFound)
}
func getLatestIQDataHandler(
sdb *db.StationDB, cdb *db.ContactDB,
w http.ResponseWriter, r *http.Request) {
log.Printf("Request: %s", r.URL.String())
req, err := parseGetLatestIQDataRequest(r.URL.Query())
if err != nil {
log.Printf("getLatestIQDataHandler: "+
"parse request error: %s", err.Error())
http.Error(w, "Error parsing request.",
http.StatusBadRequest)
return
}
sat := db.GlobalSatelliteDB().Map[req.SatelliteId]
if sat == nil {
http.Error(w, "Unknown satellite_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.StatusUnauthorized)
return
}
if station == nil {
log.Printf("Error looking up station.")
http.Error(w, "", http.StatusUnauthorized)
return
}
// Authenticate the station.
if station.Secret == nil || *station.Secret != req.StationSecret {
log.Printf("Authentication failed.")
http.Error(w, "", http.StatusUnauthorized)
return
}
// Make sure that the user is authorized for the satellite.
found_good_id := false
for _, station_id := range sat.AuthorizedStationId {
if station_id == *station.Id {
found_good_id = true
}
}
if !found_good_id {
log.Printf("Authentication failed.")
http.Error(w, "", http.StatusUnauthorized)
return
}
contacts, err := cdb.SearchBySatelliteId(req.SatelliteId, req.Limit)
if err != nil {
log.Printf("getLatestIQDataHandler: "+
"SearchBySatelliteId error: %s", err.Error())
http.Error(w, "", http.StatusInternalServerError)
return
}
packets := make(GetLatestIQDataResponse, 0)
for _, c := range contacts {
if c.StartTimestamp == nil {
continue
}
timestamp := *c.StartTimestamp
for _, b := range c.Blob {
if len(packets) >= req.Limit {
continue
}
if b.Format == nil ||
*b.Format != pb.Contact_Blob_IQ {
continue
}
var p IQLink
p.Timestamp = timestamp
p.URL = scheduler.GetStreamURL(*c.Id)
if b.IqParams != nil {
if b.IqParams.Type != nil {
p.Type = b.IqParams.Type.String()
}
if b.IqParams.SampleRate != nil {
p.SampleRate = int(
*b.IqParams.SampleRate)
}
}
packets = append(packets, p)
}
}
json_body, err := json.Marshal(packets)
if err != nil {
log.Printf("json Marshal error: %s", err.Error())
http.Error(w, "", http.StatusInternalServerError)
}
w.Header().Add("Content-Length", fmt.Sprintf("%d", len(json_body)))
w.Header().Add("Content-Type", "application/json")
_, err = w.Write(json_body)
if err != nil {
log.Printf("Error writing response: %s", err.Error())
}
}
func consoleJSONHandler(sdb *db.StationDB, contactdb *db.ContactDB,
m *rpc.Client,
w http.ResponseWriter, r *http.Request, user userView) {
query := r.URL.Query()
id := query.Get("id")
if id == "" {
http.Error(w, "'id' param missing", http.StatusBadRequest)
return
}
action := query.Get("action")
if action == "" {
http.Error(w, "'action' param missing", http.StatusBadRequest)
return
}
auth, _ := canOperateStation(sdb, id, user.Id)
if !auth {
http.Error(w, "Not authorized", http.StatusUnauthorized)
return
}
// FIXME: authentication and scheduling/locking
satellite_id := query.Get("satellite_id")
if satellite_id != "" &&
db.GlobalSatelliteDB().Map[satellite_id] == nil {
http.Error(
w, "invalid satellite_id",
http.StatusBadRequest)
return
}
switch action {
case "ReceiverGetState":
callStation(m, w, id, action, nil)
case "ReceiverStart":
log.Printf("ReceiverStart: satellite_id=%s", satellite_id)
contact_id, err := contacts.StartNewConsoleContact(
sdb, contactdb, id, user.Id, satellite_id)
if err != nil {
log.Printf("StartNewIQContact error: %s", err.Error())
http.Error(w, "", http.StatusInternalServerError)
return
}
v := url.Values{}
v.Add("stream_url", scheduler.GetStreamURL(contact_id))
callStation(m, w, id, action, v)
case "ReceiverStop":
callStation(m, w, id, action, nil)
case "ReceiverWaterfallPNG":
callStation(m, w, id, action, nil)
case "ReceiverSetFrequency":
hz := query.Get("hz")
if hz == "" {
http.Error(
w, "'hz' param missing", http.StatusBadRequest)
return
}
v := url.Values{}
v.Add("hz", hz)
callStation(m, w, id, action, v)
case "TNCStart":
log.Printf("TNCStart: satellite_id=%s", satellite_id)
host, port := scheduler.GetAPIServer()
if satellite_id == "" {
host = ""
port = "0"
}
v := url.Values{}
v.Add("api_host", host)
v.Add("api_port", port)
v.Add("satellite_id", satellite_id)
callStation(m, w, id, action, v)
case "TNCStop":
callStation(m, w, id, action, nil)
case "TNCGetLatestFrames":
callStation(m, w, id, action, nil)
case "MotorGetState":
callStation(m, w, id, action, nil)
case "MotorStart":
program := query.Get("program")
if program == "" {
http.Error(w, "'program' param missing",
http.StatusBadRequest)
return
}
v := url.Values{}
v.Add("program", program)
callStation(m, w, id, action, v)
case "MotorStop":
callStation(m, w, id, action, nil)
default:
http.NotFound(w, r)
}
}