evcc-io/vehicle/vag/tokenrefreshservice/endpoint.go
2022-04-15 16:32:51 +02:00

77 lines
1.7 KiB
Go

package tokenrefreshservice
import (
"net/http"
"net/url"
"strings"
"github.com/evcc-io/evcc/util"
"github.com/evcc-io/evcc/util/request"
"github.com/evcc-io/evcc/util/urlvalues"
"github.com/evcc-io/evcc/vehicle/vag"
)
const (
BaseURL = "https://tokenrefreshservice.apps.emea.vwapps.io"
CodeExchangeURL = BaseURL + "/exchangeAuthCode"
RefreshTokenURL = BaseURL + "/refreshTokens"
)
var _ vag.TokenExchanger = (*Service)(nil)
type Service struct {
*request.Helper
data url.Values
}
func New(log *util.Logger, q url.Values) *Service {
return &Service{
Helper: request.NewHelper(log),
data: q,
}
}
func (v *Service) Exchange(q url.Values) (*vag.Token, error) {
if err := urlvalues.Require(q, "id_token", "code"); err != nil {
return nil, err
}
data := url.Values{
"auth_code": {q.Get("code")},
"id_token": {q.Get("id_token")},
}
urlvalues.Merge(data, v.data, q)
var res vag.Token
req, err := request.New(http.MethodPost, CodeExchangeURL, strings.NewReader(data.Encode()), request.URLEncoding)
if err == nil {
err = v.DoJSON(req, &res)
}
return &res, err
}
func (v *Service) Refresh(token *vag.Token) (*vag.Token, error) {
data := url.Values{
"grant_type": {"refresh_token"},
"refresh_token": {token.RefreshToken},
}
urlvalues.Merge(data, v.data)
var res vag.Token
req, err := request.New(http.MethodPost, RefreshTokenURL, strings.NewReader(data.Encode()), request.URLEncoding)
if err == nil {
err = v.DoJSON(req, &res)
}
return &res, err
}
// TokenSource creates token source. Token is refreshed automatically.
func (v *Service) TokenSource(token *vag.Token) vag.TokenSource {
return vag.RefreshTokenSource(token, v.Refresh)
}