func (h *handlerManager) DeleteDevice(ctx context.Context, in *pb.DeviceIdentifier) (*empty.Empty, error) {
if err := in.Validate(); err != nil {
return nil, errors.Wrap(err, "Invalid Device Identifier")
}
ctx, claims, err := h.validateTTNAuthAppContext(ctx, in.AppId)
if err != nil {
return nil, err
}
if !claims.AppRight(in.AppId, rights.Devices) {
return nil, errors.NewErrPermissionDenied(fmt.Sprintf(`No "devices" rights to application "%s"`, in.AppId))
}
if _, err := h.handler.applications.Get(in.AppId); err != nil {
return nil, errors.Wrap(err, "Application not registered to this Handler")
}
dev, err := h.handler.devices.Get(in.AppId, in.DevId)
if err != nil {
return nil, err
}
_, err = h.deviceManager.DeleteDevice(ctx, &pb_lorawan.DeviceIdentifier{AppEui: &dev.AppEUI, DevEui: &dev.DevEUI})
if err != nil && errors.GetErrType(errors.FromGRPCError(err)) != errors.NotFound {
return nil, errors.Wrap(errors.FromGRPCError(err), "Broker did not delete device")
}
err = h.handler.devices.Delete(in.AppId, in.DevId)
if err != nil {
return nil, err
}
return &empty.Empty{}, nil
}
func (h *handlerManager) GetDevice(ctx context.Context, in *pb.DeviceIdentifier) (*pb.Device, error) {
if err := in.Validate(); err != nil {
return nil, errors.Wrap(err, "Invalid Device Identifier")
}
ctx, claims, err := h.validateTTNAuthAppContext(ctx, in.AppId)
if err != nil {
return nil, err
}
if !claims.AppRight(in.AppId, rights.Devices) {
return nil, errors.NewErrPermissionDenied(fmt.Sprintf(`No "devices" rights to application "%s"`, in.AppId))
}
if _, err := h.handler.applications.Get(in.AppId); err != nil {
return nil, errors.Wrap(err, "Application not registered to this Handler")
}
dev, err := h.handler.devices.Get(in.AppId, in.DevId)
if err != nil {
return nil, err
}
pbDev := &pb.Device{
AppId: dev.AppID,
DevId: dev.DevID,
Device: &pb.Device_LorawanDevice{LorawanDevice: &pb_lorawan.Device{
AppId: dev.AppID,
AppEui: &dev.AppEUI,
DevId: dev.DevID,
DevEui: &dev.DevEUI,
DevAddr: &dev.DevAddr,
NwkSKey: &dev.NwkSKey,
AppSKey: &dev.AppSKey,
AppKey: &dev.AppKey,
DisableFCntCheck: dev.Options.DisableFCntCheck,
Uses32BitFCnt: dev.Options.Uses32BitFCnt,
ActivationConstraints: dev.Options.ActivationConstraints,
}},
}
nsDev, err := h.deviceManager.GetDevice(ctx, &pb_lorawan.DeviceIdentifier{
AppEui: &dev.AppEUI,
DevEui: &dev.DevEUI,
})
if errors.GetErrType(errors.FromGRPCError(err)) == errors.NotFound {
// Re-register the device in the Broker (NetworkServer)
h.handler.Ctx.WithFields(log.Fields{
"AppID": dev.AppID,
"DevID": dev.DevID,
"AppEUI": dev.AppEUI,
"DevEUI": dev.DevEUI,
}).Warn("Re-registering missing device to Broker")
nsDev = dev.GetLoRaWAN()
_, err = h.deviceManager.SetDevice(ctx, nsDev)
if err != nil {
return nil, errors.Wrap(errors.FromGRPCError(err), "Could not re-register missing device to Broker")
}
} else if err != nil {
return pbDev, errors.Wrap(errors.FromGRPCError(err), "Broker did not return device")
}
pbDev.GetLorawanDevice().FCntUp = nsDev.FCntUp
pbDev.GetLorawanDevice().FCntDown = nsDev.FCntDown
pbDev.GetLorawanDevice().LastSeen = nsDev.LastSeen
return pbDev, nil
}