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 CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_OAUTH2_TOKEN_FETCHER_H_ 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_OAUTH2_TOKEN_FETCHER_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/callback_forward.h" 12 #include "base/compiler_specific.h" 13 #include "base/memory/weak_ptr.h" 14 #include "google_apis/gaia/gaia_auth_consumer.h" 15 #include "google_apis/gaia/gaia_auth_fetcher.h" 16 17 namespace net { 18 class URLRequestContextGetter; 19 } 20 21 namespace chromeos { 22 23 // OAuth2TokenFetcher is used to convert authenticated cookie jar from the 24 // authentication profile into OAuth2 tokens and GAIA credentials that will be 25 // used to kick off other token retrieval tasks. 26 class OAuth2TokenFetcher : public base::SupportsWeakPtr<OAuth2TokenFetcher>, 27 public GaiaAuthConsumer { 28 public: 29 class Delegate { 30 public: ~Delegate()31 virtual ~Delegate() {} 32 virtual void OnOAuth2TokensAvailable( 33 const GaiaAuthConsumer::ClientOAuthResult& oauth2_tokens) = 0; 34 virtual void OnOAuth2TokensFetchFailed() = 0; 35 }; 36 37 OAuth2TokenFetcher(OAuth2TokenFetcher::Delegate* delegate, 38 net::URLRequestContextGetter* context_getter); 39 virtual ~OAuth2TokenFetcher(); 40 41 void StartExchangeFromCookies(const std::string& session_index); 42 void StartExchangeFromAuthCode(const std::string& auth_code); 43 44 private: 45 // Decides how to proceed on GAIA |error|. If the error looks temporary, 46 // retries |task| until max retry count is reached. 47 // If retry count runs out, or error condition is unrecoverable, it runs 48 // |error_handler|. 49 void RetryOnError(const GoogleServiceAuthError& error, 50 const base::Closure& task, 51 const base::Closure& error_handler); 52 53 // GaiaAuthConsumer overrides. 54 virtual void OnClientOAuthSuccess( 55 const GaiaAuthConsumer::ClientOAuthResult& result) OVERRIDE; 56 virtual void OnClientOAuthFailure( 57 const GoogleServiceAuthError& error) OVERRIDE; 58 59 OAuth2TokenFetcher::Delegate* delegate_; 60 GaiaAuthConsumer::ClientOAuthResult oauth_tokens_; 61 GaiaAuthFetcher auth_fetcher_; 62 63 // The retry counter. Increment this only when failure happened. 64 int retry_count_; 65 std::string session_index_; 66 std::string auth_code_; 67 68 DISALLOW_COPY_AND_ASSIGN(OAuth2TokenFetcher); 69 }; 70 71 } // namespace chromeos 72 73 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_OAUTH2_TOKEN_FETCHER_H_ 74