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      1 // Copyright 2014 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 COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_OAUTH_HELPER_H_
      6 #define COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_OAUTH_HELPER_H_
      7 
      8 #include <string>
      9 
     10 #include "base/memory/scoped_ptr.h"
     11 #include "google_apis/gaia/gaia_auth_consumer.h"
     12 #include "google_apis/gaia/gaia_auth_fetcher.h"
     13 
     14 // Retrieves the OAuth2 information from an already signed in cookie jar.
     15 // The information retrieved is: username, refresh token.
     16 class SigninOAuthHelper : public GaiaAuthConsumer {
     17  public:
     18   // Implemented by users of SigninOAuthHelper to know then helper is finished.
     19   class Consumer {
     20    public:
     21     virtual ~Consumer() {}
     22 
     23     // Called when all the information is retrieved successfully.  |email|
     24     // and |display_email| correspond to the gaia properties called "email"
     25     // and "displayEmail" associated with the signed in account. |refresh_token|
     26     // is the account's login-scoped oauth2 refresh token.
     27     virtual void OnSigninOAuthInformationAvailable(
     28         const std::string& email,
     29         const std::string& display_email,
     30         const std::string& refresh_token) {}
     31 
     32     // Called when an error occurs while getting the information.
     33     virtual void OnSigninOAuthInformationFailure(
     34         const GoogleServiceAuthError& error) {}
     35   };
     36 
     37   explicit SigninOAuthHelper(net::URLRequestContextGetter* getter,
     38                              const std::string& session_index,
     39                              const std::string& signin_scoped_device_id,
     40                              Consumer* consumer);
     41   virtual ~SigninOAuthHelper();
     42 
     43  private:
     44   // Overridden from GaiaAuthConsumer.
     45   virtual void OnClientOAuthSuccess(const ClientOAuthResult& result) OVERRIDE;
     46   virtual void OnClientOAuthFailure(const GoogleServiceAuthError& error)
     47       OVERRIDE;
     48   virtual void OnClientLoginSuccess(const ClientLoginResult& result) OVERRIDE;
     49   virtual void OnClientLoginFailure(const GoogleServiceAuthError& error)
     50       OVERRIDE;
     51   virtual void OnGetUserInfoSuccess(const UserInfoMap& data) OVERRIDE;
     52   virtual void OnGetUserInfoFailure(const GoogleServiceAuthError& error)
     53       OVERRIDE;
     54 
     55   GaiaAuthFetcher gaia_auth_fetcher_;
     56   std::string refresh_token_;
     57   Consumer* consumer_;
     58 
     59   DISALLOW_COPY_AND_ASSIGN(SigninOAuthHelper);
     60 };
     61 
     62 #endif  // COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_OAUTH_HELPER_H_
     63