1 // Copyright (c) 2013 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_EXTENSIONS_TOKEN_CACHE_TOKEN_CACHE_SERVICE_H_ 6 #define CHROME_BROWSER_EXTENSIONS_TOKEN_CACHE_TOKEN_CACHE_SERVICE_H_ 7 8 #include <map> 9 #include <string> 10 11 #include "base/basictypes.h" 12 #include "base/compiler_specific.h" 13 #include "base/time/time.h" 14 #include "components/keyed_service/core/keyed_service.h" 15 #include "components/signin/core/browser/signin_manager_base.h" 16 17 class Profile; 18 19 namespace extensions { 20 21 // This class caches tokens for the current user. It will clear tokens out 22 // when the user logs out or after the specified timeout interval, or when 23 // the instance of chrome shuts down. 24 class TokenCacheService : public KeyedService, 25 public SigninManagerBase::Observer { 26 public: 27 explicit TokenCacheService(Profile* profile); 28 virtual ~TokenCacheService(); 29 30 // Store a token for the currently logged in user. We will look it up later by 31 // the name given here, and we will expire the token after the timeout. For a 32 // timeout of 0, we never expire the token. After time_to_live expires, the 33 // token will be expired. 34 void StoreToken(const std::string& token_name, const std::string& token_value, 35 base::TimeDelta time_to_live); 36 37 // Retrieve a token for the currently logged in user. This returns an empty 38 // string if the token was not found or timed out. 39 std::string RetrieveToken(const std::string& token_name); 40 41 // KeyedService: 42 virtual void Shutdown() OVERRIDE; 43 44 private: 45 friend class TokenCacheTest; 46 FRIEND_TEST_ALL_PREFIXES(TokenCacheTest, SignoutTest); 47 48 // SigninManagerBase::Observer: 49 virtual void GoogleSignedOut(const std::string& username) OVERRIDE; 50 51 struct TokenCacheData { 52 std::string token; 53 base::Time expiration_time; 54 }; 55 56 // Map the token name (string) to token data. 57 std::map<std::string, TokenCacheData> token_cache_; 58 const Profile* const profile_; 59 60 DISALLOW_COPY_AND_ASSIGN(TokenCacheService); 61 }; 62 63 } // namespace extensions 64 65 #endif // CHROME_BROWSER_EXTENSIONS_TOKEN_CACHE_TOKEN_CACHE_SERVICE_H_ 66