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_USERS_CHROME_USER_MANAGER_IMPL_H_ 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_CHROME_USER_MANAGER_IMPL_H_ 7 8 #include <map> 9 #include <string> 10 #include <vector> 11 12 #include "base/basictypes.h" 13 #include "base/containers/hash_tables.h" 14 #include "base/memory/linked_ptr.h" 15 #include "base/memory/scoped_ptr.h" 16 #include "base/memory/weak_ptr.h" 17 #include "base/observer_list.h" 18 #include "base/synchronization/lock.h" 19 #include "base/time/time.h" 20 #include "chrome/browser/chromeos/login/user_flow.h" 21 #include "chrome/browser/chromeos/login/users/avatar/user_image_manager_impl.h" 22 #include "chrome/browser/chromeos/login/users/chrome_user_manager.h" 23 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller_delegate.h" 24 #include "chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h" 25 #include "chrome/browser/chromeos/policy/cloud_external_data_policy_observer.h" 26 #include "chrome/browser/chromeos/policy/device_local_account_policy_service.h" 27 #include "chrome/browser/chromeos/settings/cros_settings.h" 28 #include "chrome/browser/chromeos/settings/device_settings_service.h" 29 #include "components/user_manager/user.h" 30 #include "content/public/browser/notification_observer.h" 31 #include "content/public/browser/notification_registrar.h" 32 33 class PrefRegistrySimple; 34 class PrefService; 35 class ProfileSyncService; 36 37 namespace policy { 38 struct DeviceLocalAccount; 39 } 40 41 namespace user_manager { 42 class RemoveUserDelegate; 43 } 44 45 namespace chromeos { 46 47 class MultiProfileUserController; 48 class SupervisedUserManagerImpl; 49 class SessionLengthLimiter; 50 51 // Chrome specific implementation of the UserManager. 52 class ChromeUserManagerImpl 53 : public ChromeUserManager, 54 public content::NotificationObserver, 55 public policy::CloudExternalDataPolicyObserver::Delegate, 56 public policy::DeviceLocalAccountPolicyService::Observer, 57 public MultiProfileUserControllerDelegate { 58 public: 59 virtual ~ChromeUserManagerImpl(); 60 61 // Creates ChromeUserManagerImpl instance. 62 static scoped_ptr<ChromeUserManager> CreateChromeUserManager(); 63 64 // Registers user manager preferences. 65 static void RegisterPrefs(PrefRegistrySimple* registry); 66 67 // ChromeUserManager implementation: 68 virtual MultiProfileUserController* GetMultiProfileUserController() OVERRIDE; 69 virtual UserImageManager* GetUserImageManager( 70 const std::string& user_id) OVERRIDE; 71 virtual SupervisedUserManager* GetSupervisedUserManager() OVERRIDE; 72 virtual UserFlow* GetCurrentUserFlow() const OVERRIDE; 73 virtual UserFlow* GetUserFlow(const std::string& user_id) const OVERRIDE; 74 virtual void SetUserFlow(const std::string& user_id, UserFlow* flow) OVERRIDE; 75 virtual void ResetUserFlow(const std::string& user_id) OVERRIDE; 76 77 // UserManager implementation: 78 virtual void Shutdown() OVERRIDE; 79 virtual user_manager::UserList GetUsersAdmittedForMultiProfile() 80 const OVERRIDE; 81 virtual user_manager::UserList GetUnlockUsers() const OVERRIDE; 82 virtual void SessionStarted() OVERRIDE; 83 virtual void SaveUserOAuthStatus( 84 const std::string& user_id, 85 user_manager::User::OAuthTokenStatus oauth_token_status) OVERRIDE; 86 virtual void SaveUserDisplayName(const std::string& user_id, 87 const base::string16& display_name) OVERRIDE; 88 virtual bool CanCurrentUserLock() const OVERRIDE; 89 virtual bool IsUserNonCryptohomeDataEphemeral( 90 const std::string& user_id) const OVERRIDE; 91 virtual bool AreSupervisedUsersAllowed() const OVERRIDE; 92 93 // content::NotificationObserver implementation. 94 virtual void Observe(int type, 95 const content::NotificationSource& source, 96 const content::NotificationDetails& details) OVERRIDE; 97 98 // policy::CloudExternalDataPolicyObserver::Delegate: 99 virtual void OnExternalDataSet(const std::string& policy, 100 const std::string& user_id) OVERRIDE; 101 virtual void OnExternalDataCleared(const std::string& policy, 102 const std::string& user_id) OVERRIDE; 103 virtual void OnExternalDataFetched(const std::string& policy, 104 const std::string& user_id, 105 scoped_ptr<std::string> data) OVERRIDE; 106 107 // policy::DeviceLocalAccountPolicyService::Observer implementation. 108 virtual void OnPolicyUpdated(const std::string& user_id) OVERRIDE; 109 virtual void OnDeviceLocalAccountsChanged() OVERRIDE; 110 111 void StopPolicyObserverForTesting(); 112 113 protected: 114 // UserManagerBase implementation: 115 virtual bool AreEphemeralUsersEnabled() const OVERRIDE; 116 virtual const std::string& GetApplicationLocale() const OVERRIDE; 117 virtual PrefService* GetLocalState() const OVERRIDE; 118 virtual void HandleUserOAuthTokenStatusChange( 119 const std::string& user_id, 120 user_manager::User::OAuthTokenStatus status) const OVERRIDE; 121 virtual bool IsEnterpriseManaged() const OVERRIDE; 122 virtual void LoadPublicAccounts(std::set<std::string>* users_set) OVERRIDE; 123 virtual void NotifyOnLogin() OVERRIDE; 124 virtual void NotifyUserAddedToSession(const user_manager::User* added_user, 125 bool user_switch_pending) OVERRIDE; 126 virtual void PerformPreUserListLoadingActions() OVERRIDE; 127 virtual void PerformPostUserListLoadingActions() OVERRIDE; 128 virtual void PerformPostUserLoggedInActions(bool browser_restart) OVERRIDE; 129 virtual void RemoveNonCryptohomeData(const std::string& user_id) OVERRIDE; 130 virtual void RemoveUserInternal( 131 const std::string& user_email, 132 user_manager::RemoveUserDelegate* delegate) OVERRIDE; 133 virtual bool IsDemoApp(const std::string& user_id) const OVERRIDE; 134 virtual bool IsKioskApp(const std::string& user_id) const OVERRIDE; 135 virtual bool IsPublicAccountMarkedForRemoval( 136 const std::string& user_id) const OVERRIDE; 137 virtual void DemoAccountLoggedIn() OVERRIDE; 138 virtual void GuestUserLoggedIn() OVERRIDE; 139 virtual void KioskAppLoggedIn(const std::string& app_id) OVERRIDE; 140 virtual void PublicAccountUserLoggedIn(user_manager::User* user) OVERRIDE; 141 virtual void RegularUserLoggedIn(const std::string& user_id) OVERRIDE; 142 virtual void RegularUserLoggedInAsEphemeral( 143 const std::string& user_id) OVERRIDE; 144 virtual void RetailModeUserLoggedIn() OVERRIDE; 145 virtual void SupervisedUserLoggedIn(const std::string& user_id) OVERRIDE; 146 147 private: 148 friend class SupervisedUserManagerImpl; 149 friend class UserManagerTest; 150 friend class WallpaperManager; 151 friend class WallpaperManagerTest; 152 153 typedef base::hash_map<std::string, linked_ptr<UserImageManager> > 154 UserImageManagerMap; 155 156 ChromeUserManagerImpl(); 157 158 // Retrieves trusted device policies and removes users from the persistent 159 // list if ephemeral users are enabled. Schedules a callback to itself if 160 // trusted device policies are not yet available. 161 void RetrieveTrustedDevicePolicies(); 162 163 // Updates current user ownership on UI thread. 164 void UpdateOwnership(); 165 166 // If data for a public account is marked as pending removal and the user is 167 // no longer logged into that account, removes the data. 168 void CleanUpPublicAccountNonCryptohomeDataPendingRemoval(); 169 170 // Removes data belonging to public accounts that are no longer found on the 171 // user list. If the user is currently logged into one of these accounts, the 172 // data for that account is not removed immediately but marked as pending 173 // removal after logout. 174 void CleanUpPublicAccountNonCryptohomeData( 175 const std::vector<std::string>& old_public_accounts); 176 177 // Replaces the list of public accounts with those found in 178 // |device_local_accounts|. Ensures that data belonging to accounts no longer 179 // on the list is removed. Returns |true| if the list has changed. 180 // Public accounts are defined by policy. This method is called whenever an 181 // updated list of public accounts is received from policy. 182 bool UpdateAndCleanUpPublicAccounts( 183 const std::vector<policy::DeviceLocalAccount>& device_local_accounts); 184 185 // Updates the display name for public account |username| from policy settings 186 // associated with that username. 187 void UpdatePublicAccountDisplayName(const std::string& user_id); 188 189 // Notifies the UI about a change to the user list. 190 void NotifyUserListChanged(); 191 192 // Lazily creates default user flow. 193 UserFlow* GetDefaultUserFlow() const; 194 195 // MultiProfileUserControllerDelegate implementation: 196 virtual void OnUserNotAllowed(const std::string& user_email) OVERRIDE; 197 198 // Update the number of users. 199 void UpdateNumberOfUsers(); 200 201 // Interface to the signed settings store. 202 CrosSettings* cros_settings_; 203 204 // Interface to device-local account definitions and associated policy. 205 policy::DeviceLocalAccountPolicyService* device_local_account_policy_service_; 206 207 content::NotificationRegistrar registrar_; 208 209 // User avatar managers. 210 UserImageManagerMap user_image_managers_; 211 212 // Supervised user manager. 213 scoped_ptr<SupervisedUserManagerImpl> supervised_user_manager_; 214 215 // Session length limiter. 216 scoped_ptr<SessionLengthLimiter> session_length_limiter_; 217 218 typedef std::map<std::string, UserFlow*> FlowMap; 219 220 // Lazy-initialized default flow. 221 mutable scoped_ptr<UserFlow> default_flow_; 222 223 // Specific flows by user e-mail. Keys should be canonicalized before 224 // access. 225 FlowMap specific_flows_; 226 227 scoped_ptr<CrosSettings::ObserverSubscription> local_accounts_subscription_; 228 229 scoped_ptr<MultiProfileUserController> multi_profile_user_controller_; 230 231 // Observer for the policy that can be used to manage user images. 232 scoped_ptr<policy::CloudExternalDataPolicyObserver> avatar_policy_observer_; 233 234 // Observer for the policy that can be used to manage wallpapers. 235 scoped_ptr<policy::CloudExternalDataPolicyObserver> 236 wallpaper_policy_observer_; 237 238 base::WeakPtrFactory<ChromeUserManagerImpl> weak_factory_; 239 240 DISALLOW_COPY_AND_ASSIGN(ChromeUserManagerImpl); 241 }; 242 243 } // namespace chromeos 244 245 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_CHROME_USER_MANAGER_IMPL_H_ 246