chrome/browser/signin/easy_unlock_service_regular.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_SIGNIN_EASY_UNLOCK_SERVICE_REGULAR_H_
   6 #define CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_REGULAR_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/macros.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/prefs/pref_change_registrar.h"
  14 #include "base/time/time.h"
  15 #include "chrome/browser/signin/easy_unlock_service.h"
  16 #include "components/proximity_auth/screenlock_bridge.h"
  17 #include "google_apis/gaia/oauth2_token_service.h"
  18
  19 #if defined(OS_CHROMEOS)
  20 #include "chrome/browser/chromeos/login/easy_unlock/short_lived_user_context.h"
  21 #endif
  22
  23 namespace base {
  24 class DictionaryValue;
  25 class ListValue;
  26 }
  27
  28 namespace cryptauth {
  29 class ToggleEasyUnlockResponse;
  30 }
  31
  32 namespace proximity_auth {
  33 class CryptAuthClient;
  34 class CryptAuthGCMManager;
  35 class CryptAuthEnrollmentManager;
  36 class CryptAuthDeviceManager;
  37 }
  38
  39 class EasyUnlockAppManager;
  40 class EasyUnlockToggleFlow;
  41 class Profile;
  42
  43 // EasyUnlockService instance that should be used for regular, non-signin
  44 // profiles.
  45 class EasyUnlockServiceRegular
  46     : public EasyUnlockService,
  47       public proximity_auth::ScreenlockBridge::Observer,
  48       public OAuth2TokenService::Observer {
  49  public:
  50   explicit EasyUnlockServiceRegular(Profile* profile);
  51   ~EasyUnlockServiceRegular() override;
  52
  53   // Returns the CryptAuthEnrollmentManager, which manages the profile's
  54   // CryptAuth enrollment.
  55   proximity_auth::CryptAuthEnrollmentManager* GetCryptAuthEnrollmentManager();
  56
  57   // Returns the CryptAuthEnrollmentManager, which manages the profile's
  58   // synced devices from CryptAuth.
  59   proximity_auth::CryptAuthDeviceManager* GetCryptAuthDeviceManager();
  60
  61  private:
  62   // EasyUnlockService implementation:
  63   EasyUnlockService::Type GetType() const override;
  64   std::string GetUserEmail() const override;
  65   void LaunchSetup() override;
  66   const base::DictionaryValue* GetPermitAccess() const override;
  67   void SetPermitAccess(const base::DictionaryValue& permit) override;
  68   void ClearPermitAccess() override;
  69   const base::ListValue* GetRemoteDevices() const override;
  70   void SetRemoteDevices(const base::ListValue& devices) override;
  71   void RunTurnOffFlow() override;
  72   void ResetTurnOffFlow() override;
  73   TurnOffFlowStatus GetTurnOffFlowStatus() const override;
  74   std::string GetChallenge() const override;
  75   std::string GetWrappedSecret() const override;
  76   void RecordEasySignInOutcome(const std::string& user_id,
  77                                bool success) const override;
  78   void RecordPasswordLoginEvent(const std::string& user_id) const override;
  79   void StartAutoPairing(const AutoPairingResultCallback& callback) override;
  80   void SetAutoPairingResult(bool success, const std::string& error) override;
  81   void InitializeInternal() override;
  82   void ShutdownInternal() override;
  83   bool IsAllowedInternal() const override;
  84   void OnWillFinalizeUnlock(bool success) override;
  85   void OnSuspendDone() override;
  86
  87   // OAuth2TokenService::Observer:
  88   void OnRefreshTokenAvailable(const std::string& account_id) override;
  89
  90   // proximity_auth::ScreenlockBridge::Observer implementation:
  91   void OnScreenDidLock(proximity_auth::ScreenlockBridge::LockHandler::ScreenType
  92                            screen_type) override;
  93   void OnScreenDidUnlock(
  94       proximity_auth::ScreenlockBridge::LockHandler::ScreenType screen_type)
  95       override;
  96   void OnFocusedUserChanged(const std::string& user_id) override;
  97
  98
  99   // Callback when the controlling pref changes.
 100   void OnPrefsChanged();
 101
 102   // Sets the new turn-off flow status.
 103   void SetTurnOffFlowStatus(TurnOffFlowStatus status);
 104
 105   // Callback for ToggleEasyUnlock CryptAuth API.
 106   void OnToggleEasyUnlockApiComplete(
 107       const cryptauth::ToggleEasyUnlockResponse& response);
 108   void OnToggleEasyUnlockApiFailed(const std::string& error_message);
 109
 110 #if defined(OS_CHROMEOS)
 111   // Called with the user's credentials (e.g. username and password) after the
 112   // user reauthenticates to begin setup.
 113   void OnUserContextFromReauth(const chromeos::UserContext& user_context);
 114
 115   // Called after a cryptohome RemoveKey or RefreshKey operation to set the
 116   // proper hardlock state if the operation is successful.
 117   void SetHardlockAfterKeyOperation(
 118       EasyUnlockScreenlockStateHandler::HardlockState state_on_success,
 119       bool success);
 120
 121   // Initializes the managers that communicate with CryptAuth.
 122   void InitializeCryptAuth();
 123
 124   scoped_ptr<chromeos::ShortLivedUserContext> short_lived_user_context_;
 125 #endif
 126
 127   // Updates local state with the preference from the user's profile, so they
 128   // can be accessed on the sign-in screen.
 129   void SyncProfilePrefsToLocalState();
 130
 131   // Returns the base GcmDeviceInfo proto containing the device's platform and
 132   // version information.
 133   cryptauth::GcmDeviceInfo GetGcmDeviceInfo();
 134
 135   PrefChangeRegistrar registrar_;
 136
 137   TurnOffFlowStatus turn_off_flow_status_;
 138   scoped_ptr<proximity_auth::CryptAuthClient> cryptauth_client_;
 139
 140   AutoPairingResultCallback auto_pairing_callback_;
 141
 142   // True if the user just unlocked the screen using Easy Unlock. Reset once
 143   // the screen unlocks. Used to distinguish Easy Unlock-powered unlocks from
 144   // password-based unlocks for metrics.
 145   bool will_unlock_using_easy_unlock_;
 146
 147   // The timestamp for the most recent time when the lock screen was shown. The
 148   // lock screen is typically shown when the user awakens her computer from
 149   // sleep -- e.g. by opening the lid -- but can also be shown if the screen is
 150   // locked but the computer does not go to sleep.
 151   base::TimeTicks lock_screen_last_shown_timestamp_;
 152
 153   // Managers responsible for handling syncing and communications with
 154   // CryptAuth.
 155   scoped_ptr<proximity_auth::CryptAuthGCMManager> gcm_manager_;
 156   scoped_ptr<proximity_auth::CryptAuthEnrollmentManager> enrollment_manager_;
 157   scoped_ptr<proximity_auth::CryptAuthDeviceManager> device_manager_;
 158
 159   base::WeakPtrFactory<EasyUnlockServiceRegular> weak_ptr_factory_;
 160
 161   DISALLOW_COPY_AND_ASSIGN(EasyUnlockServiceRegular);
 162 };
 163
 164 #endif  // CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_REGULAR_H_