86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
package mbb
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import (
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"fmt"
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"net/http"
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"net/url"
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"strings"
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"github.com/evcc-io/evcc/util"
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"github.com/evcc-io/evcc/util/request"
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"github.com/evcc-io/evcc/util/urlvalues"
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"github.com/evcc-io/evcc/vehicle/vag"
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)
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const (
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BaseURL = "https://mbboauth-1d.prd.ece.vwg-connect.com"
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TokenURL = BaseURL + "/mbbcoauth/mobile/oauth2/v1/token"
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)
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var _ vag.TokenExchanger = (*Service)(nil)
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type Service struct {
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*request.Helper
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clientID string
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}
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func New(log *util.Logger, clientID string) *Service {
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return &Service{
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Helper: request.NewHelper(log),
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clientID: clientID,
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}
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}
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func (v *Service) Exchange(q url.Values) (*vag.Token, error) {
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if err := urlvalues.Require(q, "id_token"); err != nil {
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return nil, err
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}
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data := url.Values{
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"grant_type": {"id_token"},
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"token": {q.Get("id_token")},
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"scope": {"sc2:fal"},
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}
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req, err := request.New(http.MethodPost, TokenURL, strings.NewReader(data.Encode()), map[string]string{
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"Content-Type": "application/x-www-form-urlencoded",
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"X-Client-Id": v.clientID,
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})
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var res vag.Token
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if err == nil {
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err = v.DoJSON(req, &res)
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}
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// check if token response contained error
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if errT := res.Error(); err != nil && errT != nil {
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err = fmt.Errorf("token exchange: %w", errT)
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}
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return &res, err
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}
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func (v *Service) Refresh(token *vag.Token) (*vag.Token, error) {
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data := url.Values{
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"grant_type": {"refresh_token"},
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"refresh_token": {token.RefreshToken},
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"scope": {"sc2:fal"},
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}
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req, err := request.New(http.MethodPost, TokenURL, strings.NewReader(data.Encode()), map[string]string{
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"Content-Type": "application/x-www-form-urlencoded",
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"X-Client-Id": v.clientID,
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})
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var res vag.Token
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if err == nil {
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err = v.DoJSON(req, &res)
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}
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return &res, err
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}
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// TokenSource creates token source. Token is refreshed automatically.
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func (v *Service) TokenSource(token *vag.Token) vag.TokenSource {
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return vag.RefreshTokenSource(token, v.Refresh)
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}
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