Version: v2.1.0+incompatible Latest Latest

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Published: Nov 20, 2018 License: MIT Imports: 8 Imported by: 21



Package google provides Google OAuth2 login and callback handlers.



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var (
	ErrUnableToGetGoogleUser    = errors.New("google: unable to get Google User")
	ErrCannotValidateGoogleUser = errors.New("google: could not validate Google User")

Google login errors


func CallbackHandler

func CallbackHandler(config *oauth2.Config, success, failure http.Handler) http.Handler

CallbackHandler handles Google redirection URI requests and adds the Google access token and Userinfoplus to the ctx. If authentication succeeds, handling delegates to the success handler, otherwise to the failure handler.

func LoginHandler

func LoginHandler(config *oauth2.Config, failure http.Handler) http.Handler

LoginHandler handles Google login requests by reading the state value from the ctx and redirecting requests to the AuthURL with that state value.

func StateHandler

func StateHandler(config gologin.CookieConfig, success http.Handler) http.Handler

StateHandler checks for a state cookie. If found, the state value is read and added to the ctx. Otherwise, a non-guessable value is added to the ctx and to a (short-lived) state cookie issued to the requester.

Implements OAuth 2 RFC 6749 10.12 CSRF Protection. If you wish to issue state params differently, write a http.Handler which sets the ctx state, using oauth2 WithState(ctx, state) since it is required by LoginHandler and CallbackHandler.

func UserFromContext

func UserFromContext(ctx context.Context) (*google.Userinfoplus, error)

UserFromContext returns the Google Userinfoplus from the ctx.

func WithUser

func WithUser(ctx context.Context, user *google.Userinfoplus) context.Context

WithUser returns a copy of ctx that stores the Google Userinfoplus.


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