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/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/policy/cloud_external_data_policy_observer.h"
  25 #include "chrome/browser/chromeos/policy/device_local_account_policy_service.h"
  26 #include "chrome/browser/chromeos/settings/cros_settings.h"
  27 #include "chrome/browser/chromeos/settings/device_settings_service.h"
  28 #include "components/user_manager/user.h"
  29 #include "content/public/browser/notification_observer.h"
  30 #include "content/public/browser/notification_registrar.h"
  31
  32 class PrefRegistrySimple;
  33 class PrefService;
  34 class ProfileSyncService;
  35
  36 namespace policy {
  37 struct DeviceLocalAccount;
  38 }
  39
  40 namespace user_manager {
  41 class RemoveUserDelegate;
  42 }
  43
  44 namespace chromeos {
  45
  46 class MultiProfileUserController;
  47 class SupervisedUserManagerImpl;
  48 class SessionLengthLimiter;
  49
  50 // Chrome specific implementation of the UserManager.
  51 class ChromeUserManagerImpl
  52     : public ChromeUserManager,
  53       public content::NotificationObserver,
  54       public policy::CloudExternalDataPolicyObserver::Delegate,
  55       public policy::DeviceLocalAccountPolicyService::Observer,
  56       public MultiProfileUserControllerDelegate {
  57  public:
  58   ~ChromeUserManagerImpl() override;
  59
  60   // Creates ChromeUserManagerImpl instance.
  61   static scoped_ptr<ChromeUserManager> CreateChromeUserManager();
  62
  63   // Registers user manager preferences.
  64   static void RegisterPrefs(PrefRegistrySimple* registry);
  65
  66   // UserManagerInterface implementation:
  67   MultiProfileUserController* GetMultiProfileUserController() override;
  68   UserImageManager* GetUserImageManager(const std::string& user_id) override;
  69   SupervisedUserManager* GetSupervisedUserManager() override;
  70   UserFlow* GetCurrentUserFlow() const override;
  71   UserFlow* GetUserFlow(const std::string& user_id) const override;
  72   void SetUserFlow(const std::string& user_id, UserFlow* flow) override;
  73   void ResetUserFlow(const std::string& user_id) override;
  74
  75   // UserManager implementation:
  76   void Shutdown() override;
  77   user_manager::UserList GetUsersAllowedForMultiProfile() const override;
  78   user_manager::UserList GetUsersAllowedForSupervisedUsersCreation()
  79       const override;
  80   user_manager::UserList GetUnlockUsers() const override;
  81   void SessionStarted() override;
  82   void SaveUserOAuthStatus(
  83       const std::string& user_id,
  84       user_manager::User::OAuthTokenStatus oauth_token_status) override;
  85   void SaveUserDisplayName(const std::string& user_id,
  86                            const base::string16& display_name) override;
  87   bool CanCurrentUserLock() const override;
  88   bool IsUserNonCryptohomeDataEphemeral(
  89       const std::string& user_id) const override;
  90   bool AreSupervisedUsersAllowed() const override;
  91
  92   // content::NotificationObserver implementation.
  93   void Observe(int type,
  94                const content::NotificationSource& source,
  95                const content::NotificationDetails& details) override;
  96
  97   // policy::CloudExternalDataPolicyObserver::Delegate:
  98   void OnExternalDataSet(const std::string& policy,
  99                          const std::string& user_id) override;
 100   void OnExternalDataCleared(const std::string& policy,
 101                              const std::string& user_id) override;
 102   void OnExternalDataFetched(const std::string& policy,
 103                              const std::string& user_id,
 104                              scoped_ptr<std::string> data) override;
 105
 106   // policy::DeviceLocalAccountPolicyService::Observer implementation.
 107   void OnPolicyUpdated(const std::string& user_id) override;
 108   void OnDeviceLocalAccountsChanged() override;
 109
 110   void StopPolicyObserverForTesting();
 111
 112  protected:
 113   // UserManagerBase implementation:
 114   bool AreEphemeralUsersEnabled() const override;
 115   const std::string& GetApplicationLocale() const override;
 116   PrefService* GetLocalState() const override;
 117   void HandleUserOAuthTokenStatusChange(
 118       const std::string& user_id,
 119       user_manager::User::OAuthTokenStatus status) const override;
 120   bool IsEnterpriseManaged() const override;
 121   void LoadPublicAccounts(std::set<std::string>* users_set) override;
 122   void NotifyOnLogin() override;
 123   void NotifyUserAddedToSession(const user_manager::User* added_user,
 124                                 bool user_switch_pending) override;
 125   void PerformPreUserListLoadingActions() override;
 126   void PerformPostUserListLoadingActions() override;
 127   void PerformPostUserLoggedInActions(bool browser_restart) override;
 128   void RemoveNonCryptohomeData(const std::string& user_id) override;
 129   void RemoveUserInternal(const std::string& user_email,
 130                           user_manager::RemoveUserDelegate* delegate) override;
 131   bool IsDemoApp(const std::string& user_id) const override;
 132   bool IsKioskApp(const std::string& user_id) const override;
 133   bool IsPublicAccountMarkedForRemoval(
 134       const std::string& user_id) const override;
 135   void DemoAccountLoggedIn() override;
 136   void GuestUserLoggedIn() override;
 137   void KioskAppLoggedIn(const std::string& app_id) override;
 138   void PublicAccountUserLoggedIn(user_manager::User* user) override;
 139   void RegularUserLoggedIn(const std::string& user_id) override;
 140   void RegularUserLoggedInAsEphemeral(const std::string& user_id) override;
 141   void SupervisedUserLoggedIn(const std::string& user_id) override;
 142
 143  private:
 144   friend class SupervisedUserManagerImpl;
 145   friend class UserManagerTest;
 146   friend class WallpaperManager;
 147   friend class WallpaperManagerTest;
 148
 149   typedef base::hash_map<std::string, linked_ptr<UserImageManager> >
 150       UserImageManagerMap;
 151
 152   ChromeUserManagerImpl();
 153
 154   // Retrieves trusted device policies and removes users from the persistent
 155   // list if ephemeral users are enabled. Schedules a callback to itself if
 156   // trusted device policies are not yet available.
 157   void RetrieveTrustedDevicePolicies();
 158
 159   // Updates current user ownership on UI thread.
 160   void UpdateOwnership();
 161
 162   // If data for a public account is marked as pending removal and the user is
 163   // no longer logged into that account, removes the data.
 164   void CleanUpPublicAccountNonCryptohomeDataPendingRemoval();
 165
 166   // Removes data belonging to public accounts that are no longer found on the
 167   // user list. If the user is currently logged into one of these accounts, the
 168   // data for that account is not removed immediately but marked as pending
 169   // removal after logout.
 170   void CleanUpPublicAccountNonCryptohomeData(
 171       const std::vector<std::string>& old_public_accounts);
 172
 173   // Replaces the list of public accounts with those found in
 174   // |device_local_accounts|. Ensures that data belonging to accounts no longer
 175   // on the list is removed. Returns |true| if the list has changed.
 176   // Public accounts are defined by policy. This method is called whenever an
 177   // updated list of public accounts is received from policy.
 178   bool UpdateAndCleanUpPublicAccounts(
 179       const std::vector<policy::DeviceLocalAccount>& device_local_accounts);
 180
 181   // Updates the display name for public account |username| from policy settings
 182   // associated with that username.
 183   void UpdatePublicAccountDisplayName(const std::string& user_id);
 184
 185   // Notifies the UI about a change to the user list.
 186   void NotifyUserListChanged();
 187
 188   // Lazily creates default user flow.
 189   UserFlow* GetDefaultUserFlow() const;
 190
 191   // MultiProfileUserControllerDelegate implementation:
 192   void OnUserNotAllowed(const std::string& user_email) override;
 193
 194   // Update the number of users.
 195   void UpdateNumberOfUsers();
 196
 197   // Starts (or stops) automatic timezone refresh on geolocation,
 198   // depending on user preferences.
 199   void UpdateUserTimeZoneRefresher(Profile* profile);
 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_