87 lines
2 KiB
Go
87 lines
2 KiB
Go
package smaevcharger
|
|
|
|
import (
|
|
"net/http"
|
|
"net/url"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/evcc-io/evcc/util"
|
|
"github.com/evcc-io/evcc/util/oauth"
|
|
"github.com/evcc-io/evcc/util/request"
|
|
"golang.org/x/oauth2"
|
|
)
|
|
|
|
// Token is the SMAEVCHarger22 Token
|
|
// Auth Token Data json Response structure
|
|
type Token struct {
|
|
AccessToken string `json:"access_token"`
|
|
ExpiresIn int `json:"expires_in"`
|
|
TokenType string `json:"token_type"`
|
|
RefreshToken string `json:"refresh_token"`
|
|
}
|
|
|
|
func (t *Token) AsOAuth2Token() *oauth2.Token {
|
|
if t == nil {
|
|
return nil
|
|
}
|
|
|
|
return &oauth2.Token{
|
|
AccessToken: t.AccessToken,
|
|
TokenType: t.TokenType,
|
|
RefreshToken: t.RefreshToken,
|
|
Expiry: time.Now().Add(time.Second * time.Duration(t.ExpiresIn)),
|
|
}
|
|
}
|
|
|
|
// tokenSource is an oauth2.TokenSource
|
|
type tokenSource struct {
|
|
*request.Helper
|
|
oauth2.TokenSource
|
|
uri string
|
|
user string
|
|
password string
|
|
}
|
|
|
|
// TokenSource creates an SMAevCharger token source
|
|
func TokenSource(log *util.Logger, uri, user, password string) (oauth2.TokenSource, error) {
|
|
c := &tokenSource{
|
|
Helper: request.NewHelper(log),
|
|
uri: uri + "/token",
|
|
user: user,
|
|
password: password,
|
|
}
|
|
|
|
data := url.Values{
|
|
"grant_type": {"password"},
|
|
"password": {password},
|
|
"username": {user},
|
|
}
|
|
|
|
req, err := request.New(http.MethodPost, c.uri, strings.NewReader(data.Encode()), request.URLEncoding)
|
|
if err == nil {
|
|
var token Token
|
|
if err = c.DoJSON(req, &token); err == nil {
|
|
c.TokenSource = oauth.RefreshTokenSource(token.AsOAuth2Token(), c.refreshToken)
|
|
}
|
|
}
|
|
|
|
return c, err
|
|
}
|
|
|
|
func (c *tokenSource) refreshToken(token *oauth2.Token) (*oauth2.Token, error) {
|
|
data := url.Values{
|
|
"grant_type": {"refresh_token"},
|
|
"refresh_token": {token.RefreshToken},
|
|
}
|
|
|
|
req, err := request.New(http.MethodPost, c.uri, strings.NewReader(data.Encode()), request.URLEncoding)
|
|
if err == nil {
|
|
var token Token
|
|
if err = c.DoJSON(req, &token); err == nil {
|
|
return token.AsOAuth2Token(), nil
|
|
}
|
|
}
|
|
|
|
return nil, err
|
|
}
|