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 #include "chrome/browser/extensions/token_cache/token_cache_service.h" 6 7 #include "base/logging.h" 8 #include "chrome/browser/signin/signin_manager_factory.h" 9 #include "components/signin/core/browser/signin_manager.h" 10 11 using base::Time; 12 using base::TimeDelta; 13 14 namespace extensions { 15 16 TokenCacheService::TokenCacheService(Profile* profile) : profile_(profile) { 17 SigninManagerFactory::GetForProfile(profile)->AddObserver(this); 18 } 19 20 TokenCacheService::~TokenCacheService() { 21 } 22 23 void TokenCacheService::StoreToken(const std::string& token_name, 24 const std::string& token_value, 25 base::TimeDelta time_to_live) { 26 TokenCacheData token_data; 27 28 // Get the current time, and make sure that the token has not already expired. 29 Time expiration_time; 30 TimeDelta zero_delta; 31 32 // Negative time deltas are meaningless to this function. 33 DCHECK(time_to_live >= zero_delta); 34 35 if (zero_delta < time_to_live) { 36 expiration_time = Time::Now(); 37 expiration_time += time_to_live; 38 } 39 40 token_data.token = token_value; 41 token_data.expiration_time = expiration_time; 42 43 // Add the token to our cache, overwriting any existing token with this name. 44 token_cache_[token_name] = token_data; 45 } 46 47 // Retrieve a token for the currently logged in user. This returns an empty 48 // string if the token was not found or timed out. 49 std::string TokenCacheService::RetrieveToken(const std::string& token_name) { 50 std::map<std::string, TokenCacheData>::iterator it = 51 token_cache_.find(token_name); 52 53 if (it != token_cache_.end()) { 54 Time now = Time::Now(); 55 if (it->second.expiration_time.is_null() || 56 now < it->second.expiration_time) { 57 return it->second.token; 58 } else { 59 // Remove this entry if it is expired. 60 token_cache_.erase(it); 61 return std::string(); 62 } 63 } 64 65 return std::string(); 66 } 67 68 void TokenCacheService::Shutdown() { 69 SigninManagerFactory::GetForProfile(const_cast<Profile*>(profile_)) 70 ->RemoveObserver(this); 71 } 72 73 void TokenCacheService::GoogleSignedOut(const std::string& username) { 74 token_cache_.clear(); 75 } 76 77 } // namespace extensions 78
