user_cloud_policy_manager_chromeos.h revision a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7
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_CHROMEOS_POLICY_USER_CLOUD_POLICY_MANAGER_CHROMEOS_H_ 6#define CHROME_BROWSER_CHROMEOS_POLICY_USER_CLOUD_POLICY_MANAGER_CHROMEOS_H_ 7 8#include <string> 9 10#include "base/basictypes.h" 11#include "base/compiler_specific.h" 12#include "base/files/file_path.h" 13#include "base/memory/ref_counted.h" 14#include "base/memory/scoped_ptr.h" 15#include "base/time/time.h" 16#include "base/timer/timer.h" 17#include "components/browser_context_keyed_service/browser_context_keyed_service.h" 18#include "components/policy/core/common/cloud/cloud_policy_client.h" 19#include "components/policy/core/common/cloud/cloud_policy_constants.h" 20#include "components/policy/core/common/cloud/cloud_policy_manager.h" 21#include "components/policy/core/common/cloud/cloud_policy_service.h" 22 23class GoogleServiceAuthError; 24class PrefService; 25 26namespace base { 27class SequencedTaskRunner; 28} 29 30namespace net { 31class URLRequestContextGetter; 32} 33 34namespace policy { 35 36class CloudExternalDataManager; 37class DeviceManagementService; 38class PolicyOAuth2TokenFetcher; 39 40// UserCloudPolicyManagerChromeOS implements logic for initializing user policy 41// on Chrome OS. 42class UserCloudPolicyManagerChromeOS 43 : public CloudPolicyManager, 44 public CloudPolicyClient::Observer, 45 public CloudPolicyService::Observer, 46 public BrowserContextKeyedService { 47 public: 48 // If |wait_for_policy_fetch| is true, IsInitializationComplete() will return 49 // false as long as there hasn't been a successful policy fetch. 50 // |task_runner| is the runner for policy refresh tasks. 51 // |file_task_runner| is used for file operations. Currently this must be the 52 // FILE BrowserThread. 53 // |io_task_runner| is used for network IO. Currently this must be the IO 54 // BrowserThread. 55 UserCloudPolicyManagerChromeOS( 56 scoped_ptr<CloudPolicyStore> store, 57 scoped_ptr<CloudExternalDataManager> external_data_manager, 58 const base::FilePath& component_policy_cache_path, 59 bool wait_for_policy_fetch, 60 base::TimeDelta initial_policy_fetch_timeout, 61 const scoped_refptr<base::SequencedTaskRunner>& task_runner, 62 const scoped_refptr<base::SequencedTaskRunner>& file_task_runner, 63 const scoped_refptr<base::SequencedTaskRunner>& io_task_runner); 64 virtual ~UserCloudPolicyManagerChromeOS(); 65 66 // Initializes the cloud connection. |local_state| and 67 // |device_management_service| must stay valid until this object is deleted. 68 void Connect( 69 PrefService* local_state, 70 DeviceManagementService* device_management_service, 71 scoped_refptr<net::URLRequestContextGetter> system_request_context, 72 UserAffiliation user_affiliation); 73 74 // This class is one of the policy providers, and must be ready for the 75 // creation of the Profile's PrefService; all the other 76 // BrowserContextKeyedServices depend on the PrefService, so this class can't 77 // depend on other BCKS to avoid a circular dependency. So instead of using 78 // the ProfileOAuth2TokenService directly to get the access token, a 3rd 79 // service (UserCloudPolicyTokenForwarder) will fetch it later and pass it 80 // to this method once available. 81 // The |access_token| can then be used to authenticate the registration 82 // request to the DMServer. 83 void OnAccessTokenAvailable(const std::string& access_token); 84 85 // Returns true if the underlying CloudPolicyClient is already registered. 86 bool IsClientRegistered() const; 87 88 // ConfigurationPolicyProvider: 89 virtual void Shutdown() OVERRIDE; 90 virtual bool IsInitializationComplete(PolicyDomain domain) const OVERRIDE; 91 92 // CloudPolicyService::Observer: 93 virtual void OnInitializationCompleted(CloudPolicyService* service) OVERRIDE; 94 95 // CloudPolicyClient::Observer: 96 virtual void OnPolicyFetched(CloudPolicyClient* client) OVERRIDE; 97 virtual void OnRegistrationStateChanged(CloudPolicyClient* client) OVERRIDE; 98 virtual void OnClientError(CloudPolicyClient* client) OVERRIDE; 99 100 // ComponentCloudPolicyService::Delegate: 101 virtual void OnComponentCloudPolicyUpdated() OVERRIDE; 102 103 private: 104 // Fetches a policy token using the authentication context of the signin 105 // Profile, and calls back to OnOAuth2PolicyTokenFetched when done. 106 void FetchPolicyOAuthTokenUsingSigninProfile(); 107 108 // Called once the policy access token is available, and starts the 109 // registration with the policy server if the token was successfully fetched. 110 void OnOAuth2PolicyTokenFetched(const std::string& policy_token, 111 const GoogleServiceAuthError& error); 112 113 // Completion handler for the explicit policy fetch triggered on startup in 114 // case |wait_for_policy_fetch_| is true. |success| is true if the fetch was 115 // successful. 116 void OnInitialPolicyFetchComplete(bool success); 117 118 // Cancels waiting for the policy fetch and flags the 119 // ConfigurationPolicyProvider ready (assuming all other initialization tasks 120 // have completed). 121 void CancelWaitForPolicyFetch(); 122 123 void StartRefreshSchedulerIfReady(); 124 125 // Owns the store, note that CloudPolicyManager just keeps a plain pointer. 126 scoped_ptr<CloudPolicyStore> store_; 127 128 // Manages external data referenced by policies. 129 scoped_ptr<CloudExternalDataManager> external_data_manager_; 130 131 // Path where policy for components will be cached. 132 base::FilePath component_policy_cache_path_; 133 134 // Whether to wait for a policy fetch to complete before reporting 135 // IsInitializationComplete(). 136 bool wait_for_policy_fetch_; 137 138 // A timer that puts a hard limit on the maximum time to wait for the intial 139 // policy fetch. 140 base::Timer policy_fetch_timeout_; 141 142 // The pref service to pass to the refresh scheduler on initialization. 143 PrefService* local_state_; 144 145 // Used to fetch the policy OAuth token, when necessary. This object holds 146 // a callback with an unretained reference to the manager, when it exists. 147 scoped_ptr<PolicyOAuth2TokenFetcher> token_fetcher_; 148 149 // The access token passed to OnAccessTokenAvailable. It is stored here so 150 // that it can be used if OnInitializationCompleted is called later. 151 std::string access_token_; 152 153 // Timestamps for collecting timing UMA stats. 154 base::Time time_init_started_; 155 base::Time time_init_completed_; 156 base::Time time_token_available_; 157 base::Time time_client_registered_; 158 159 DISALLOW_COPY_AND_ASSIGN(UserCloudPolicyManagerChromeOS); 160}; 161 162} // namespace policy 163 164#endif // CHROME_BROWSER_CHROMEOS_POLICY_USER_CLOUD_POLICY_MANAGER_CHROMEOS_H_ 165