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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package store
import (
// ErrNoAuthenticationData indicates that stored authentication data is not available
var ErrNoAuthenticationData = errors.New("authentication data is not available")
// ErrUnsupportedAuthData ndicates that stored authentication data is unusable
var ErrUnsupportedAuthData = errors.New("authentication data is not usable")
// Store is responsible for persisting authorization grants
type Store interface {
// SaveGrant stores an authorization grant for a given audience
SaveGrant(audience string, grant oauth2.AuthorizationGrant) error
// LoadGrant loads an authorization grant for a given audience
LoadGrant(audience string) (*oauth2.AuthorizationGrant, error)
// WhoAmI returns the current user name (or an error if nobody is logged in)
WhoAmI(audience string) (string, error)
// Logout deletes all stored credentials
Logout() error