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// Copyright 2014 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.
#ifndef GOOGLE_APIS_GAIA_UBERTOKEN_FETCHER_H_
#define GOOGLE_APIS_GAIA_UBERTOKEN_FETCHER_H_
#include "base/memory/scoped_ptr.h"
#include "google_apis/gaia/gaia_auth_consumer.h"
#include "google_apis/gaia/oauth2_token_service.h"
// Allow to retrieves an uber-auth token for the user. This class uses the
// |OAuth2TokenService| and considers that the user is already logged in. It
// will use the OAuth2 access token to generate the uber-auth token.
//
// This class should be used on a single thread, but it can be whichever thread
// that you like.
//
// This class can handle one request at a time.
class GaiaAuthFetcher;
class GoogleServiceAuthError;
namespace net {
class URLRequestContextGetter;
}
// Callback for the |UbertokenFetcher| class.
class UbertokenConsumer {
public:
UbertokenConsumer() {}
virtual ~UbertokenConsumer() {}
virtual void OnUbertokenSuccess(const std::string& token) {}
virtual void OnUbertokenFailure(const GoogleServiceAuthError& error) {}
};
// Allows to retrieve an uber-auth token.
class UbertokenFetcher : public GaiaAuthConsumer,
public OAuth2TokenService::Consumer {
public:
UbertokenFetcher(OAuth2TokenService* token_service,
UbertokenConsumer* consumer,
net::URLRequestContextGetter* request_context);
virtual ~UbertokenFetcher();
// Start fetching the token for |account_id|.
virtual void StartFetchingToken(const std::string& account_id);
// Overriden from GaiaAuthConsumer
virtual void OnUberAuthTokenSuccess(const std::string& token) OVERRIDE;
virtual void OnUberAuthTokenFailure(
const GoogleServiceAuthError& error) OVERRIDE;
// Overriden from OAuth2TokenService::Consumer:
virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
const std::string& access_token,
const base::Time& expiration_time) OVERRIDE;
virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request,
const GoogleServiceAuthError& error) OVERRIDE;
private:
OAuth2TokenService* token_service_;
UbertokenConsumer* consumer_;
net::URLRequestContextGetter* request_context_;
scoped_ptr<GaiaAuthFetcher> gaia_auth_fetcher_;
scoped_ptr<OAuth2TokenService::Request> access_token_request_;
DISALLOW_COPY_AND_ASSIGN(UbertokenFetcher);
};
#endif // GOOGLE_APIS_GAIA_UBERTOKEN_FETCHER_H_
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