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| 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_H_ | |
| 6 #define CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_ | |
| 7 | |
| 8 #include <deque> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/callback.h" | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "base/macros.h" | |
| 14 #include "base/memory/weak_ptr.h" | |
| 15 #include "base/threading/thread_checker.h" | |
| 16 #include "chrome/browser/chromeos/settings/device_settings_service.h" | |
| 17 #include "chromeos/dbus/session_manager_client.h" | |
| 18 #include "chromeos/tpm_token_loader.h" | |
| 19 #include "components/keyed_service/core/keyed_service.h" | |
| 20 #include "components/ownership/owner_key_util.h" | |
| 21 #include "content/public/browser/notification_observer.h" | |
| 22 #include "content/public/browser/notification_registrar.h" | |
| 23 | |
| 24 class Profile; | |
| 25 | |
| 26 namespace chromeos { | |
| 27 | |
| 28 class SessionManagerOperation; | |
| 29 | |
| 30 // This class reloads owner key from profile NSS slots. | |
| 31 // | |
| 32 // TODO (ygorshenin@): move write path for device settings here | |
| 33 // (crbug.com/230018). | |
| 34 class OwnerSettingsService : public DeviceSettingsService::PrivateKeyDelegate, | |
| 35 public KeyedService, | |
| 36 public content::NotificationObserver, | |
| 37 public TPMTokenLoader::Observer, | |
| 38 public SessionManagerClient::Observer { | |
| 39 public: | |
| 40 virtual ~OwnerSettingsService(); | |
| 41 | |
| 42 base::WeakPtr<OwnerSettingsService> as_weak_ptr() { | |
| 43 return weak_factory_.GetWeakPtr(); | |
| 44 } | |
| 45 | |
| 46 // DeviceSettingsService::PrivateKeyDelegate implementation: | |
| 47 virtual bool IsOwner() OVERRIDE; | |
| 48 virtual void IsOwnerAsync(const IsOwnerCallback& callback) OVERRIDE; | |
| 49 virtual bool AssembleAndSignPolicyAsync( | |
| 50 scoped_ptr<enterprise_management::PolicyData> policy, | |
| 51 const AssembleAndSignPolicyCallback& callback) OVERRIDE; | |
| 52 virtual void SignAndStoreAsync( | |
| 53 scoped_ptr<enterprise_management::ChromeDeviceSettingsProto> settings, | |
| 54 const base::Closure& callback) OVERRIDE; | |
| 55 virtual void SetManagementSettingsAsync( | |
| 56 enterprise_management::PolicyData::ManagementMode management_mode, | |
| 57 const std::string& request_token, | |
| 58 const std::string& device_id, | |
| 59 const base::Closure& callback) OVERRIDE; | |
| 60 | |
| 61 // NotificationObserver implementation: | |
| 62 virtual void Observe(int type, | |
| 63 const content::NotificationSource& source, | |
| 64 const content::NotificationDetails& details) OVERRIDE; | |
| 65 | |
| 66 // TPMTokenLoader::Observer: | |
| 67 virtual void OnTPMTokenReady() OVERRIDE; | |
| 68 | |
| 69 // SessionManagerClient::Observer: | |
| 70 virtual void OwnerKeySet(bool success) OVERRIDE; | |
| 71 | |
| 72 // Checks if the user is the device owner, without the user profile having to | |
| 73 // been initialized. Should be used only if login state is in safe mode. | |
| 74 static void IsOwnerForSafeModeAsync( | |
| 75 const std::string& user_id, | |
| 76 const std::string& user_hash, | |
| 77 const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util, | |
| 78 const IsOwnerCallback& callback); | |
| 79 | |
| 80 static void SetDeviceSettingsServiceForTesting( | |
| 81 DeviceSettingsService* device_settings_service); | |
| 82 | |
| 83 private: | |
| 84 friend class OwnerSettingsServiceFactory; | |
| 85 | |
| 86 OwnerSettingsService( | |
| 87 Profile* profile, | |
| 88 const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util); | |
| 89 | |
| 90 // Reloads private key from profile's NSS slots. Responds via call | |
| 91 // to OnPrivateKeyLoaded(). | |
| 92 void ReloadPrivateKey(); | |
| 93 | |
| 94 // Called when ReloadPrivateKey() completes it's work. | |
| 95 void OnPrivateKeyLoaded(scoped_refptr<ownership::PublicKey> public_key, | |
| 96 scoped_refptr<ownership::PrivateKey> private_key); | |
| 97 | |
| 98 // Puts request to perform sign-and-store operation in the queue. | |
| 99 void EnqueueSignAndStore(scoped_ptr<enterprise_management::PolicyData> policy, | |
| 100 const base::Closure& callback); | |
| 101 | |
| 102 // Performs next operation in the queue. | |
| 103 void StartNextOperation(); | |
| 104 | |
| 105 // Called when sign-and-store operation completes it's work. | |
| 106 void HandleCompletedOperation(const base::Closure& callback, | |
| 107 SessionManagerOperation* operation, | |
| 108 DeviceSettingsService::Status status); | |
| 109 | |
| 110 // Called when it's not possible to store settings. | |
| 111 void HandleError(DeviceSettingsService::Status status, | |
| 112 const base::Closure& callback); | |
| 113 | |
| 114 // Returns testing instance of OwnerKeyUtil when it's set, otherwise | |
| 115 // returns |owner_key_util_|. | |
| 116 scoped_refptr<ownership::OwnerKeyUtil> GetOwnerKeyUtil(); | |
| 117 | |
| 118 // Returns testing instance of DeviceSettingsService when it's set, | |
| 119 // otherwise returns pointer to a singleton instance, when it's | |
| 120 // initialized. | |
| 121 DeviceSettingsService* GetDeviceSettingsService(); | |
| 122 | |
| 123 // Profile this service instance belongs to. | |
| 124 Profile* profile_; | |
| 125 | |
| 126 // User ID this service instance belongs to. | |
| 127 std::string user_id_; | |
| 128 | |
| 129 scoped_refptr<ownership::PublicKey> public_key_; | |
| 130 | |
| 131 scoped_refptr<ownership::PrivateKey> private_key_; | |
| 132 | |
| 133 scoped_refptr<ownership::OwnerKeyUtil> owner_key_util_; | |
| 134 | |
| 135 std::vector<IsOwnerCallback> pending_is_owner_callbacks_; | |
| 136 | |
| 137 // Whether profile still needs to be initialized. | |
| 138 bool waiting_for_profile_creation_; | |
| 139 | |
| 140 // Whether TPM token still needs to be initialized. | |
| 141 bool waiting_for_tpm_token_; | |
| 142 | |
| 143 // The queue of pending sign-and-store operations. The first operation on the | |
| 144 // queue is currently active; it gets removed and destroyed once it completes. | |
| 145 std::deque<SessionManagerOperation*> pending_operations_; | |
| 146 | |
| 147 content::NotificationRegistrar registrar_; | |
| 148 | |
| 149 base::ThreadChecker thread_checker_; | |
| 150 | |
| 151 base::WeakPtrFactory<OwnerSettingsService> weak_factory_; | |
| 152 | |
| 153 DISALLOW_COPY_AND_ASSIGN(OwnerSettingsService); | |
| 154 }; | |
| 155 | |
| 156 } // namespace chromeos | |
| 157 | |
| 158 #endif // CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_ | |
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