1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_SIGNIN_UBERTOKEN_FETCHER_H_ 6 #define CHROME_BROWSER_SIGNIN_UBERTOKEN_FETCHER_H_ 7 8 #include "base/memory/scoped_ptr.h" 9 #include "chrome/browser/signin/oauth2_token_service.h" 10 #include "google_apis/gaia/gaia_auth_consumer.h" 11 12 // Allow to retrieves an uber-auth token for the user. This class uses the 13 // |OAuth2TokenService| and considers that the user is already logged in. It 14 // will use the OAuth2 access token to generate the uber-auth token. 15 // 16 // This class should be used on a single thread, but it can be whichever thread 17 // that you like. 18 // 19 // This class can handle one request at a time. 20 21 class GaiaAuthFetcher; 22 class GoogleServiceAuthError; 23 class Profile; 24 25 // Callback for the |UbertokenFetcher| class. 26 class UbertokenConsumer { 27 public: 28 UbertokenConsumer() {} 29 virtual ~UbertokenConsumer() {} 30 virtual void OnUbertokenSuccess(const std::string& token) {} 31 virtual void OnUbertokenFailure(const GoogleServiceAuthError& error) {} 32 }; 33 34 // Allows to retrieve an uber-auth token. 35 class UbertokenFetcher : public GaiaAuthConsumer, 36 public OAuth2TokenService::Consumer { 37 public: 38 UbertokenFetcher(Profile* profile, UbertokenConsumer* consumer); 39 virtual ~UbertokenFetcher(); 40 41 // Start fetching the token. 42 void StartFetchingToken(); 43 44 // Overriden from GaiaAuthConsumer 45 virtual void OnUberAuthTokenSuccess(const std::string& token) OVERRIDE; 46 virtual void OnUberAuthTokenFailure( 47 const GoogleServiceAuthError& error) OVERRIDE; 48 49 // Overriden from OAuth2TokenService::Consumer: 50 virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request, 51 const std::string& access_token, 52 const base::Time& expiration_time) OVERRIDE; 53 virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request, 54 const GoogleServiceAuthError& error) OVERRIDE; 55 56 private: 57 Profile* profile_; 58 UbertokenConsumer* consumer_; 59 scoped_ptr<GaiaAuthFetcher> gaia_auth_fetcher_; 60 scoped_ptr<OAuth2TokenService::Request> access_token_request_; 61 62 DISALLOW_COPY_AND_ASSIGN(UbertokenFetcher); 63 }; 64 65 #endif // CHROME_BROWSER_SIGNIN_UBERTOKEN_FETCHER_H_ 66