Method GetHomeNetwork

pkg/joinserver/joinserver.go:819–858

GetHomeNetwork returns the home network of an end device.

(ctx context.Context, joinEUI, devEUI types.EUI64, authorizer Authorizer)

// GetHomeNetwork returns the home network of an end device.
func (js *JoinServer) GetHomeNetwork(ctx context.Context, joinEUI, devEUI types.EUI64, authorizer Authorizer) (*EndDeviceHomeNetwork, error) {
	if err := authorizer.RequireAuthorized(ctx); err != nil {
		return nil, err
	}

	dev, err := js.devices.GetByEUI(ctx, joinEUI, devEUI,
		[]string{
			"net_id",
			"network_server_address",
		},
	)
	if err != nil {
		return nil, errRegistryOperation.WithCause(err)
	}
	ctx = dev.Context
	if entityAuth, ok := authorizer.(EntityAuthorizer); ok {
		if err := entityAuth.RequireEntityContext(ctx); err != nil {
			return nil, err
		}
	}
	netID := dev.NetId

	if netID == nil {
		sets, err := js.applicationActivationSettings.GetByID(ctx, dev.Ids.ApplicationIds, []string{
			"home_net_id",
		})
		if err != nil {
			if !errors.IsNotFound(err) {
				return nil, errGetApplicationActivationSettings.WithCause(err)
			}
			return nil, nil
		}
		netID = sets.HomeNetId
	}
	// TODO: Return NSID (https://github.com/TheThingsNetwork/lorawan-stack/issues/4741).
	return &EndDeviceHomeNetwork{
		NetID:                types.MustNetID(netID),
		NetworkServerAddress: dev.NetworkServerAddress,
	}, nil
}