Exemplo n.º 1
0
// facebookHandler is a ContextHandler that gets the OAuth2 Token from the ctx
// to get the corresponding Facebook User. If successful, the user is added to
// the ctx and the success handler is called. Otherwise, the failure handler
// is called.
func facebookHandler(config *oauth2.Config, success, failure ctxh.ContextHandler) ctxh.ContextHandler {
	if failure == nil {
		failure = gologin.DefaultFailureHandler
	}
	fn := func(ctx context.Context, w http.ResponseWriter, req *http.Request) {
		token, err := oauth2Login.TokenFromContext(ctx)
		if err != nil {
			ctx = gologin.WithError(ctx, err)
			failure.ServeHTTP(ctx, w, req)
			return
		}
		httpClient := config.Client(ctx, token)
		facebookService := newClient(httpClient)
		user, resp, err := facebookService.Me()
		err = validateResponse(user, resp, err)
		if err != nil {
			ctx = gologin.WithError(ctx, err)
			failure.ServeHTTP(ctx, w, req)
			return
		}
		ctx = WithUser(ctx, user)
		success.ServeHTTP(ctx, w, req)
	}
	return ctxh.ContextHandlerFunc(fn)
}
Exemplo n.º 2
0
// googleHandler is a ContextHandler that gets the OAuth2 Token from the ctx
// to get the corresponding Google Userinfoplus. If successful, the user info
// is added to the ctx and the success handler is called. Otherwise, the
// failure handler is called.
func googleHandler(config *oauth2.Config, success, failure ctxh.ContextHandler) ctxh.ContextHandler {
	if failure == nil {
		failure = gologin.DefaultFailureHandler
	}
	fn := func(ctx context.Context, w http.ResponseWriter, req *http.Request) {
		token, err := oauth2Login.TokenFromContext(ctx)
		if err != nil {
			ctx = gologin.WithError(ctx, err)
			failure.ServeHTTP(ctx, w, req)
			return
		}
		httpClient := config.Client(ctx, token)
		googleService, err := google.New(httpClient)
		if err != nil {
			ctx = gologin.WithError(ctx, err)
			failure.ServeHTTP(ctx, w, req)
			return
		}
		userInfoPlus, err := googleService.Userinfo.Get().Do()
		err = validateResponse(userInfoPlus, err)
		if err != nil {
			ctx = gologin.WithError(ctx, err)
			failure.ServeHTTP(ctx, w, req)
			return
		}
		ctx = WithUser(ctx, userInfoPlus)
		success.ServeHTTP(ctx, w, req)
	}
	return ctxh.ContextHandlerFunc(fn)
}