Seat: fix retrieving list of vehicles (#9703)

vehicle/seat-cupra.go

@@ -8,7 +8,6 @@ import (
 	"github.com/evcc-io/evcc/api"
 	"github.com/evcc-io/evcc/util"
 	"github.com/evcc-io/evcc/util/request"
-	"github.com/evcc-io/evcc/vehicle/seat"
 	"github.com/evcc-io/evcc/vehicle/seat/cupra"
 	"github.com/evcc-io/evcc/vehicle/vag/service"
 	"github.com/evcc-io/evcc/vehicle/vag/vwidentity"
@@ -51,7 +50,7 @@ func NewCupraFromConfig(other map[string]interface{}) (api.Vehicle, error) {
 
 	log := util.NewLogger("cupra").Redact(cc.User, cc.Password, cc.VIN)
 
-	ts, err := service.TokenRefreshServiceTokenSource(log, seat.TRSParams, seat.AuthParams, cc.User, cc.Password)
+	ts, err := service.TokenRefreshServiceTokenSource(log, cupra.TRSParams, cupra.AuthParams, cc.User, cc.Password)
 	if err != nil {
 		return nil, err
 	}

vehicle/seat.go

@@ -1,14 +1,22 @@
 package vehicle
 
 import (
+	"context"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strings"
 	"time"
 
 	"github.com/evcc-io/evcc/api"
 	"github.com/evcc-io/evcc/util"
 	"github.com/evcc-io/evcc/util/request"
 	"github.com/evcc-io/evcc/vehicle/seat"
+	"github.com/evcc-io/evcc/vehicle/seat/cupra"
 	"github.com/evcc-io/evcc/vehicle/vag/service"
+	"github.com/evcc-io/evcc/vehicle/vag/vwidentity"
 	"github.com/evcc-io/evcc/vehicle/vw"
+	"golang.org/x/oauth2"
 )
 
 // https://github.com/trocotronic/weconnect
@@ -50,18 +58,36 @@ func NewSeatFromConfig(other map[string]interface{}) (api.Vehicle, error) {
 
 	log := util.NewLogger("seat").Redact(cc.User, cc.Password, cc.VIN)
 
-	trs, err := service.TokenRefreshServiceTokenSource(log, seat.TRSParams, seat.AuthParams, cc.User, cc.Password)
+	trs, err := service.TokenRefreshServiceTokenSource(log, cupra.TRSParams, cupra.AuthParams, cc.User, cc.Password)
 	if err != nil {
 		return nil, err
 	}
 
-	ts := service.MbbTokenSource(log, trs, seat.AuthClientID)
-	api := vw.NewAPI(log, ts, seat.Brand, seat.Country)
-	api.Client.Timeout = cc.Timeout
+	// get OIDC user information
+	ctx := context.WithValue(context.Background(), oauth2.HTTPClient, request.NewClient(log))
+	ui, err := vwidentity.Config.NewProvider(ctx).UserInfo(ctx, trs)
+	if err != nil {
+		return nil, fmt.Errorf("failed getting user information: %w", err)
+	}
 
-	cc.VIN, err = ensureVehicle(cc.VIN, api.Vehicles)
+	mbbId, err := mbbUserId(log, trs, ui.Subject)
+	if err != nil {
+		return nil, fmt.Errorf("failed getting mbbUserId: %w", err)
+	}
+
+	ts := service.MbbTokenSource(log, trs, seat.AuthClientID)
+	api := seat.NewAPI(log, ts)
+
+	cc.VIN, err = ensureVehicle(
+		cc.VIN, func() ([]string, error) {
+			return api.Vehicles(mbbId)
+		},
+	)
 
 	if err == nil {
+		api := vw.NewAPI(log, ts, seat.Brand, seat.Country)
+		api.Client.Timeout = cc.Timeout
+
 		if err = api.HomeRegion(cc.VIN); err == nil {
 			v.Provider = vw.NewProvider(api, cc.VIN, cc.Cache)
 		}
@@ -69,3 +95,28 @@ func NewSeatFromConfig(other map[string]interface{}) (api.Vehicle, error) {
 
 	return v, err
 }
+
+func mbbUserId(log *util.Logger, ts oauth2.TokenSource, uid string) (string, error) {
+	client := request.NewHelper(log)
+	client.Transport = &oauth2.Transport{
+		Source: ts,
+		Base:   client.Transport,
+	}
+
+	data := url.Values{
+		"scopeId": []string{"commonMandatoryFields"},
+	}
+
+	var mandatoryConsentInfo struct {
+		MbbUserId string `json:"mbbUserId"`
+	}
+
+	uri := fmt.Sprintf("https://profileintegrityservice.apps.emea.vwapps.io/iaa/pic/v1/users/%s/check-profile", uid)
+	req, err := request.New(http.MethodPost, uri, strings.NewReader(data.Encode()), request.URLEncoding)
+
+	if err == nil {
+		err = client.DoJSON(req, &mandatoryConsentInfo)
+	}
+
+	return mandatoryConsentInfo.MbbUserId, err
+}

vehicle/seat/api.go

@@ -0,0 +1,53 @@
+package seat
+
+import (
+	"fmt"
+
+	"github.com/evcc-io/evcc/util"
+	"github.com/evcc-io/evcc/util/request"
+	"golang.org/x/oauth2"
+)
+
+// BaseURL is the API base url
+const BaseURL = "https://mal-3a.prd.eu.dp.vwg-connect.com/api"
+
+// API provides list of vehicles for Seat cars
+type API struct {
+	*request.Helper
+}
+
+// NewAPI creates a new vehicle
+func NewAPI(log *util.Logger, ts oauth2.TokenSource) *API {
+	v := &API{
+		Helper: request.NewHelper(log),
+	}
+
+	v.Client.Transport = &oauth2.Transport{
+		Source: ts,
+		Base:   v.Client.Transport,
+	}
+
+	return v
+}
+
+// Vehicles implements the /vehicles response
+func (v *API) Vehicles(userID string) ([]string, error) {
+	var res struct {
+		UserVehicles struct {
+			UserId  string
+			Vehicle []struct {
+				Content string
+			}
+		}
+	}
+
+	uri := fmt.Sprintf("%s/usermanagement/users/v2/users/%s/vehicles", BaseURL, userID)
+	err := v.GetJSON(uri, &res)
+
+	var vehicles []string
+	for _, v := range res.UserVehicles.Vehicle {
+		vehicles = append(vehicles, v.Content)
+	}
+
+	return vehicles, err
+}

vehicle/seat/cupra/params.go

@@ -0,0 +1,16 @@
+package cupra
+
+import "net/url"
+
+// Authorization parameters
+var AuthParams = url.Values{
+	"response_type": {"code id_token"}, // token
+	"client_id":     {"30e33736-c537-4c72-ab60-74a7b92cfe83@apps_vw-dilab_com"},
+	"redirect_uri":  {"cupraconnect://identity-kit/login"},
+	"scope":         {"openid profile mbb"}, // cars birthdate nickname address phone
+}
+
+// TokenRefreshService parameters
+var TRSParams = url.Values{
+	"brand": {"cupra"},
+}

vehicle/seat/params.go

@@ -7,18 +7,13 @@ const (
 	Country = "ES"
 
 	// Authorization ClientID
-	AuthClientID = "9d183b70-d129-424f-9a26-c3778edf95e1"
+	AuthClientID = "9dcc70f0-8e79-423a-a3fa-4065d99088b4"
 )
 
 // Authorization parameters
 var AuthParams = url.Values{
 	"response_type": {"code id_token"}, // token
-	"client_id":     {"30e33736-c537-4c72-ab60-74a7b92cfe83@apps_vw-dilab_com"},
-	"redirect_uri":  {"cupraconnect://identity-kit/login"},
-	"scope":         {"openid profile mbb"}, // cars birthdate nickname address phone
-}
-
-// TokenRefreshService parameters
-var TRSParams = url.Values{
-	"brand": {"cupra"},
+	"client_id":     {"3c8e98bc-3ae9-4277-a563-d5ee65ddebba@apps_vw-dilab_com"},
+	"redirect_uri":  {"seatconnect://identity-kit/login"},
+	"scope":         {"openid profile"}, // address phone email birthdate nationalIdentifier cars mbb dealers badge nationality
 }