chrome/browser/chromeos/login/users/chrome_user_manager_impl.h

   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/easy_unlock/bootstrap_manager.h"
  21 #include "chrome/browser/chromeos/login/user_flow.h"
  22 #include "chrome/browser/chromeos/login/users/affiliation.h"
  23 #include "chrome/browser/chromeos/login/users/avatar/user_image_manager_impl.h"
  24 #include "chrome/browser/chromeos/login/users/chrome_user_manager.h"
  25 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller_delegate.h"
  26 #include "chrome/browser/chromeos/policy/cloud_external_data_policy_observer.h"
  27 #include "chrome/browser/chromeos/policy/device_local_account_policy_service.h"
  28 #include "chrome/browser/chromeos/settings/cros_settings.h"
  29 #include "chrome/browser/chromeos/settings/device_settings_service.h"
  30 #include "components/user_manager/user.h"
  31 #include "content/public/browser/notification_observer.h"
  32 #include "content/public/browser/notification_registrar.h"
  33
  34 class PrefRegistrySimple;
  35 class PrefService;
  36 class ProfileSyncService;
  37
  38 namespace policy {
  39 struct DeviceLocalAccount;
  40 }
  41
  42 namespace user_manager {
  43 class RemoveUserDelegate;
  44 }
  45
  46 namespace chromeos {
  47
  48 class MultiProfileUserController;
  49 class SupervisedUserManagerImpl;
  50 class SessionLengthLimiter;
  51
  52 // Chrome specific implementation of the UserManager.
  53 class ChromeUserManagerImpl
  54     : public ChromeUserManager,
  55       public content::NotificationObserver,
  56       public policy::CloudExternalDataPolicyObserver::Delegate,
  57       public policy::DeviceLocalAccountPolicyService::Observer,
  58       public MultiProfileUserControllerDelegate,
  59       public BootstrapManager::Delegate {
  60  public:
  61   ~ChromeUserManagerImpl() override;
  62
  63   // Creates ChromeUserManagerImpl instance.
  64   static scoped_ptr<ChromeUserManager> CreateChromeUserManager();
  65
  66   // Registers user manager preferences.
  67   static void RegisterPrefs(PrefRegistrySimple* registry);
  68
  69   // UserManagerInterface implementation:
  70   BootstrapManager* GetBootstrapManager() override;
  71   MultiProfileUserController* GetMultiProfileUserController() override;
  72   UserImageManager* GetUserImageManager(const std::string& user_id) override;
  73   SupervisedUserManager* GetSupervisedUserManager() override;
  74   UserFlow* GetCurrentUserFlow() const override;
  75   UserFlow* GetUserFlow(const std::string& user_id) const override;
  76   void SetUserFlow(const std::string& user_id, UserFlow* flow) override;
  77   void ResetUserFlow(const std::string& user_id) override;
  78
  79   // UserManager implementation:
  80   void Shutdown() override;
  81   user_manager::UserList GetUsersAllowedForMultiProfile() const override;
  82   user_manager::UserList GetUsersAllowedForSupervisedUsersCreation()
  83       const override;
  84   user_manager::UserList GetUnlockUsers() const override;
  85   void SessionStarted() override;
  86   void SaveUserOAuthStatus(
  87       const std::string& user_id,
  88       user_manager::User::OAuthTokenStatus oauth_token_status) override;
  89   void SaveUserDisplayName(const std::string& user_id,
  90                            const base::string16& display_name) override;
  91   bool CanCurrentUserLock() const override;
  92   bool IsUserNonCryptohomeDataEphemeral(
  93       const std::string& user_id) const override;
  94   bool AreSupervisedUsersAllowed() const override;
  95
  96   // content::NotificationObserver implementation.
  97   void Observe(int type,
  98                const content::NotificationSource& source,
  99                const content::NotificationDetails& details) override;
 100
 101   // policy::CloudExternalDataPolicyObserver::Delegate:
 102   void OnExternalDataSet(const std::string& policy,
 103                          const std::string& user_id) override;
 104   void OnExternalDataCleared(const std::string& policy,
 105                              const std::string& user_id) override;
 106   void OnExternalDataFetched(const std::string& policy,
 107                              const std::string& user_id,
 108                              scoped_ptr<std::string> data) override;
 109
 110   // policy::DeviceLocalAccountPolicyService::Observer implementation.
 111   void OnPolicyUpdated(const std::string& user_id) override;
 112   void OnDeviceLocalAccountsChanged() override;
 113
 114   void StopPolicyObserverForTesting();
 115
 116   // UserManagerBase implementation:
 117   bool AreEphemeralUsersEnabled() const override;
 118
 119   // ChromeUserManager implementation:
 120   void SetUserAffiliation(
 121       const std::string& user_email,
 122       const AffiliationIDSet& user_affiliation_ids) override;
 123
 124  protected:
 125   const std::string& GetApplicationLocale() const override;
 126   PrefService* GetLocalState() const override;
 127   void HandleUserOAuthTokenStatusChange(
 128       const std::string& user_id,
 129       user_manager::User::OAuthTokenStatus status) const override;
 130   bool IsEnterpriseManaged() const override;
 131   void LoadPublicAccounts(std::set<std::string>* users_set) override;
 132   void NotifyOnLogin() override;
 133   void NotifyUserAddedToSession(const user_manager::User* added_user,
 134                                 bool user_switch_pending) override;
 135   void PerformPreUserListLoadingActions() override;
 136   void PerformPostUserListLoadingActions() override;
 137   void PerformPostUserLoggedInActions(bool browser_restart) override;
 138   void RemoveNonCryptohomeData(const std::string& user_id) override;
 139   void RemoveUserInternal(const std::string& user_email,
 140                           user_manager::RemoveUserDelegate* delegate) override;
 141   bool IsDemoApp(const std::string& user_id) const override;
 142   bool IsKioskApp(const std::string& user_id) const override;
 143   bool IsPublicAccountMarkedForRemoval(
 144       const std::string& user_id) const override;
 145   void DemoAccountLoggedIn() override;
 146   void GuestUserLoggedIn() override;
 147   void KioskAppLoggedIn(const std::string& app_id) override;
 148   void PublicAccountUserLoggedIn(user_manager::User* user) override;
 149   void RegularUserLoggedIn(const std::string& user_id) override;
 150   void RegularUserLoggedInAsEphemeral(const std::string& user_id) override;
 151   void SupervisedUserLoggedIn(const std::string& user_id) override;
 152   bool HasPendingBootstrap(const std::string& user_id) const override;
 153
 154  private:
 155   friend class SupervisedUserManagerImpl;
 156   friend class UserManagerTest;
 157   friend class WallpaperManager;
 158   friend class WallpaperManagerTest;
 159
 160   typedef base::hash_map<std::string, linked_ptr<UserImageManager> >
 161       UserImageManagerMap;
 162
 163   ChromeUserManagerImpl();
 164
 165   // Retrieves trusted device policies and removes users from the persistent
 166   // list if ephemeral users are enabled. Schedules a callback to itself if
 167   // trusted device policies are not yet available.
 168   void RetrieveTrustedDevicePolicies();
 169
 170   // Updates current user ownership on UI thread.
 171   void UpdateOwnership();
 172
 173   // If data for a public account is marked as pending removal and the user is
 174   // no longer logged into that account, removes the data.
 175   void CleanUpPublicAccountNonCryptohomeDataPendingRemoval();
 176
 177   // Removes data belonging to public accounts that are no longer found on the
 178   // user list. If the user is currently logged into one of these accounts, the
 179   // data for that account is not removed immediately but marked as pending
 180   // removal after logout.
 181   void CleanUpPublicAccountNonCryptohomeData(
 182       const std::vector<std::string>& old_public_accounts);
 183
 184   // Replaces the list of public accounts with those found in
 185   // |device_local_accounts|. Ensures that data belonging to accounts no longer
 186   // on the list is removed. Returns |true| if the list has changed.
 187   // Public accounts are defined by policy. This method is called whenever an
 188   // updated list of public accounts is received from policy.
 189   bool UpdateAndCleanUpPublicAccounts(
 190       const std::vector<policy::DeviceLocalAccount>& device_local_accounts);
 191
 192   // Updates the display name for public account |username| from policy settings
 193   // associated with that username.
 194   void UpdatePublicAccountDisplayName(const std::string& user_id);
 195
 196   // Notifies the UI about a change to the user list.
 197   void NotifyUserListChanged();
 198
 199   // Lazily creates default user flow.
 200   UserFlow* GetDefaultUserFlow() const;
 201
 202   // MultiProfileUserControllerDelegate implementation:
 203   void OnUserNotAllowed(const std::string& user_email) override;
 204
 205   // BootstrapManager::Delegate implementation:
 206   void RemovePendingBootstrapUser(const std::string& user_id) override;
 207
 208   // Update the number of users.
 209   void UpdateNumberOfUsers();
 210
 211   // Starts (or stops) automatic timezone refresh on geolocation,
 212   // depending on user preferences.
 213   void UpdateUserTimeZoneRefresher(Profile* profile);
 214
 215   // Interface to the signed settings store.
 216   CrosSettings* cros_settings_;
 217
 218   // Interface to device-local account definitions and associated policy.
 219   policy::DeviceLocalAccountPolicyService* device_local_account_policy_service_;
 220
 221   content::NotificationRegistrar registrar_;
 222
 223   // User avatar managers.
 224   UserImageManagerMap user_image_managers_;
 225
 226   // Supervised user manager.
 227   scoped_ptr<SupervisedUserManagerImpl> supervised_user_manager_;
 228
 229   // Session length limiter.
 230   scoped_ptr<SessionLengthLimiter> session_length_limiter_;
 231
 232   typedef std::map<std::string, UserFlow*> FlowMap;
 233
 234   // Lazy-initialized default flow.
 235   mutable scoped_ptr<UserFlow> default_flow_;
 236
 237   // Specific flows by user e-mail. Keys should be canonicalized before
 238   // access.
 239   FlowMap specific_flows_;
 240
 241   scoped_ptr<CrosSettings::ObserverSubscription> local_accounts_subscription_;
 242
 243   scoped_ptr<MultiProfileUserController> multi_profile_user_controller_;
 244
 245   // Observer for the policy that can be used to manage user images.
 246   scoped_ptr<policy::CloudExternalDataPolicyObserver> avatar_policy_observer_;
 247
 248   // Observer for the policy that can be used to manage wallpapers.
 249   scoped_ptr<policy::CloudExternalDataPolicyObserver>
 250       wallpaper_policy_observer_;
 251
 252   scoped_ptr<BootstrapManager> bootstrap_manager_;
 253
 254   base::WeakPtrFactory<ChromeUserManagerImpl> weak_factory_;
 255
 256   DISALLOW_COPY_AND_ASSIGN(ChromeUserManagerImpl);
 257 };
 258
 259 }  // namespace chromeos
 260
 261 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_CHROME_USER_MANAGER_IMPL_H_