99 lines
2.2 KiB
Go
99 lines
2.2 KiB
Go
package easee
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import (
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"fmt"
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"net/http"
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"time"
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"github.com/evcc-io/evcc/util"
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"github.com/evcc-io/evcc/util/oauth"
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"github.com/evcc-io/evcc/util/request"
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"golang.org/x/oauth2"
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)
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// Token is the Easee Token
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type Token struct {
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AccessToken string `json:"accessToken"`
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ExpiresIn float32 `json:"expiresIn"`
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TokenType string `json:"tokenType"`
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RefreshToken string `json:"refreshToken"`
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}
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func (t *Token) AsOAuth2Token() *oauth2.Token {
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if t == nil {
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return nil
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}
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return &oauth2.Token{
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AccessToken: t.AccessToken,
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TokenType: t.TokenType,
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RefreshToken: t.RefreshToken,
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Expiry: time.Now().Add(time.Second * time.Duration(t.ExpiresIn)),
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}
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}
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// tokenSource is an oauth2.TokenSource
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type tokenSource struct {
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*request.Helper
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user, password string
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}
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// TokenSource creates an Easee token source
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func TokenSource(log *util.Logger, user, password string) (oauth2.TokenSource, error) {
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c := &tokenSource{
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Helper: request.NewHelper(log),
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user: user,
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password: password,
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}
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token, err := c.authenticate()
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return oauth.RefreshTokenSource(token.AsOAuth2Token(), c), err
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}
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func (c *tokenSource) authenticate() (*Token, error) {
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data := struct {
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Username string `json:"userName"`
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Password string `json:"password"`
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}{
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Username: c.user,
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Password: c.password,
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}
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uri := fmt.Sprintf("%s/%s", API, "accounts/login")
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req, err := request.New(http.MethodPost, uri, request.MarshalJSON(data), request.JSONEncoding)
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if err != nil {
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return nil, err
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}
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var token Token
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err = c.DoJSON(req, &token)
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return &token, err
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}
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func (c *tokenSource) RefreshToken(oauthToken *oauth2.Token) (*oauth2.Token, error) {
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data := struct {
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AccessToken string `json:"accessToken"`
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RefreshToken string `json:"refreshToken"`
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}{
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AccessToken: oauthToken.AccessToken,
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RefreshToken: oauthToken.RefreshToken,
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}
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uri := fmt.Sprintf("%s/%s", API, "accounts/refresh_token")
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req, err := request.New(http.MethodPost, uri, request.MarshalJSON(data), request.JSONEncoding)
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if err != nil {
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return nil, err
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}
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var token *Token
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if err := c.DoJSON(req, &token); err != nil {
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// re-login
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if token, err = c.authenticate(); err != nil {
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return nil, err
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}
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}
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return token.AsOAuth2Token(), nil
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}
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