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_OWNERSHIP_OWNER_SETTINGS_SERVICE_CHROMEOS_H_ 6 #define CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_CHROMEOS_H_ 7 8 #include <deque> 9 #include <vector> 10 11 #include "base/callback_forward.h" 12 #include "base/compiler_specific.h" 13 #include "base/macros.h" 14 #include "chrome/browser/chromeos/settings/device_settings_service.h" 15 #include "chromeos/dbus/session_manager_client.h" 16 #include "components/keyed_service/core/keyed_service.h" 17 #include "components/ownership/owner_key_util.h" 18 #include "components/ownership/owner_settings_service.h" 19 #include "content/public/browser/notification_observer.h" 20 #include "content/public/browser/notification_registrar.h" 21 22 class Profile; 23 24 namespace ownership { 25 class OwnerKeyUtil; 26 } 27 28 namespace chromeos { 29 30 class SessionManagerOperation; 31 32 // The class is a profile-keyed service which holds public/private 33 // keypair corresponds to a profile. The keypair is reloaded automatically when 34 // profile is created and TPM token is ready. Note that the private part of a 35 // key can be loaded only for the owner. 36 // 37 // TODO (ygorshenin@): move write path for device settings here 38 // (crbug.com/230018). 39 class OwnerSettingsServiceChromeOS : public ownership::OwnerSettingsService, 40 public content::NotificationObserver, 41 public SessionManagerClient::Observer { 42 public: 43 virtual ~OwnerSettingsServiceChromeOS(); 44 45 void OnTPMTokenReady(bool tpm_token_enabled); 46 47 // ownership::OwnerSettingsService implementation: 48 virtual void SignAndStorePolicyAsync( 49 scoped_ptr<enterprise_management::PolicyData> policy, 50 const base::Closure& callback) OVERRIDE; 51 52 // NotificationObserver implementation: 53 virtual void Observe(int type, 54 const content::NotificationSource& source, 55 const content::NotificationDetails& details) OVERRIDE; 56 57 // SessionManagerClient::Observer: 58 virtual void OwnerKeySet(bool success) OVERRIDE; 59 60 // Checks if the user is the device owner, without the user profile having to 61 // been initialized. Should be used only if login state is in safe mode. 62 static void IsOwnerForSafeModeAsync( 63 const std::string& user_hash, 64 const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util, 65 const IsOwnerCallback& callback); 66 67 static void SetDeviceSettingsServiceForTesting( 68 DeviceSettingsService* device_settings_service); 69 70 private: 71 friend class OwnerSettingsServiceChromeOSFactory; 72 73 OwnerSettingsServiceChromeOS( 74 Profile* profile, 75 const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util); 76 77 // OwnerSettingsService protected interface overrides: 78 79 // Reloads private key from profile's NSS slots, responds via |callback|. 80 virtual void ReloadKeypairImpl(const base::Callback< 81 void(const scoped_refptr<ownership::PublicKey>& public_key, 82 const scoped_refptr<ownership::PrivateKey>& private_key)>& callback) 83 OVERRIDE; 84 85 // Possibly notifies DeviceSettingsService that owner's keypair is loaded. 86 virtual void OnPostKeypairLoadedActions() OVERRIDE; 87 88 // Performs next operation in the queue. 89 void StartNextOperation(); 90 91 // Called when sign-and-store operation completes it's work. 92 void HandleCompletedOperation(const base::Closure& callback, 93 SessionManagerOperation* operation, 94 DeviceSettingsService::Status status); 95 96 // Profile this service instance belongs to. 97 Profile* profile_; 98 99 // User ID this service instance belongs to. 100 std::string user_id_; 101 102 // Whether profile still needs to be initialized. 103 bool waiting_for_profile_creation_; 104 105 // Whether TPM token still needs to be initialized. 106 bool waiting_for_tpm_token_; 107 108 // The queue of pending sign-and-store operations. The first operation on the 109 // queue is currently active; it gets removed and destroyed once it completes. 110 std::deque<SessionManagerOperation*> pending_operations_; 111 112 content::NotificationRegistrar registrar_; 113 114 base::WeakPtrFactory<OwnerSettingsServiceChromeOS> weak_factory_; 115 116 DISALLOW_COPY_AND_ASSIGN(OwnerSettingsServiceChromeOS); 117 }; 118 119 } // namespace chromeos 120 121 #endif // CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_CHROMEOS_H_ 122