| 38 | } |
| 39 | |
| 40 | func (srv interopServer) JoinRequest(ctx context.Context, in *interop.JoinReq) (*interop.JoinAns, error) { |
| 41 | ctx = log.NewContextWithField(ctx, "namespace", "joinserver/interop") |
| 42 | |
| 43 | var cfList *ttnpb.CFList |
| 44 | if len(in.CFList) > 0 { |
| 45 | cfList = new(ttnpb.CFList) |
| 46 | if err := lorawan.UnmarshalCFList(in.CFList, cfList); err != nil { |
| 47 | return nil, interop.ErrMalformedMessage.WithCause(err) |
| 48 | } |
| 49 | } |
| 50 | dlSettings := &ttnpb.DLSettings{} |
| 51 | if err := lorawan.UnmarshalDLSettings(in.DLSettings, dlSettings); err != nil { |
| 52 | return nil, interop.ErrMalformedMessage.WithCause(err) |
| 53 | } |
| 54 | |
| 55 | req := &ttnpb.JoinRequest{ |
| 56 | RawPayload: in.PHYPayload, |
| 57 | DevAddr: types.DevAddr(in.DevAddr).Bytes(), |
| 58 | SelectedMacVersion: ttnpb.MACVersion(in.MACVersion), |
| 59 | NetId: types.NetID(in.SenderID).Bytes(), |
| 60 | DownlinkSettings: dlSettings, |
| 61 | RxDelay: in.RxDelay, |
| 62 | CfList: cfList, |
| 63 | } |
| 64 | if err := req.ValidateFields( |
| 65 | "raw_payload", |
| 66 | "dev_addr", |
| 67 | "selected_mac_version", |
| 68 | "net_id", |
| 69 | "downlink_settings", |
| 70 | "rx_delay", |
| 71 | "cf_list", |
| 72 | ); err != nil { |
| 73 | return nil, interop.ErrMalformedMessage.WithCause(err) |
| 74 | } |
| 75 | |
| 76 | res, err := srv.JS.HandleJoin(ctx, req, InteropAuthorizer) |
| 77 | if err != nil { |
| 78 | switch { |
| 79 | case errors.Resemble(err, errDecodePayload), |
| 80 | errors.Resemble(err, errWrongPayloadType), |
| 81 | errors.Resemble(err, errNoDevEUI), |
| 82 | errors.Resemble(err, errNoJoinEUI): |
| 83 | return nil, interop.ErrMalformedMessage.WithCause(err) |
| 84 | case errors.IsPermissionDenied(err): |
| 85 | return nil, interop.ErrActivation.WithCause(err) |
| 86 | case errors.Resemble(err, errMICMismatch): |
| 87 | return nil, interop.ErrMIC.WithCause(err) |
| 88 | case errors.IsNotFound(err): |
| 89 | return nil, interop.ErrUnknownDevEUI.WithCause(err) |
| 90 | } |
| 91 | return nil, interop.ErrJoinReq.WithCause(err) |
| 92 | } |
| 93 | |
| 94 | header, err := in.AnswerHeader() |
| 95 | if err != nil { |
| 96 | return nil, interop.ErrMalformedMessage.WithCause(err) |
| 97 | } |