blob: 40a1905d54d18f623e4510d02e67e3ffab9a6285 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/callback_forward.h"
#include "google_apis/drive/gdata_errorcode.h"
namespace google_apis {
class AuthServiceObserver;
// Called when fetching of access token is complete.
typedef base::Callback<void(GDataErrorCode error,
const std::string& access_token)>
// This defines an interface for the authentication service which is required
// by authenticated requests (AuthenticatedRequestInterface).
// All functions must be called on UI thread.
class AuthServiceInterface {
virtual ~AuthServiceInterface() {}
// Adds and removes the observer.
virtual void AddObserver(AuthServiceObserver* observer) = 0;
virtual void RemoveObserver(AuthServiceObserver* observer) = 0;
// Starts fetching OAuth2 access token from the refresh token.
// |callback| must not be null.
virtual void StartAuthentication(const AuthStatusCallback& callback) = 0;
// True if an OAuth2 access token is retrieved and believed to be fresh.
// The access token is used to access the Drive server.
virtual bool HasAccessToken() const = 0;
// True if an OAuth2 refresh token is present. Its absence means that user
// is not properly authenticated.
// The refresh token is used to get the access token.
virtual bool HasRefreshToken() const = 0;
// Returns OAuth2 access token.
virtual const std::string& access_token() const = 0;
// Clears OAuth2 access token.
virtual void ClearAccessToken() = 0;
// Clears OAuth2 refresh token.
virtual void ClearRefreshToken() = 0;
} // namespace google_apis