OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROMEOS_CRYPTOHOME_SYSTEM_SALT_GETTER_H_ | 5 #ifndef CHROMEOS_CRYPTOHOME_SYSTEM_SALT_GETTER_H_ |
6 #define CHROMEOS_CRYPTOHOME_SYSTEM_SALT_GETTER_H_ | 6 #define CHROMEOS_CRYPTOHOME_SYSTEM_SALT_GETTER_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 #include <string> | 10 #include <string> |
9 #include <vector> | 11 #include <vector> |
10 | 12 |
11 #include "base/basictypes.h" | |
12 #include "base/callback_forward.h" | 13 #include "base/callback_forward.h" |
| 14 #include "base/macros.h" |
13 #include "base/memory/weak_ptr.h" | 15 #include "base/memory/weak_ptr.h" |
14 #include "chromeos/chromeos_export.h" | 16 #include "chromeos/chromeos_export.h" |
15 #include "chromeos/dbus/dbus_method_call_status.h" | 17 #include "chromeos/dbus/dbus_method_call_status.h" |
16 | 18 |
17 namespace chromeos { | 19 namespace chromeos { |
18 | 20 |
19 // This class is used to get the system salt from cryptohome and cache it. | 21 // This class is used to get the system salt from cryptohome and cache it. |
20 class CHROMEOS_EXPORT SystemSaltGetter { | 22 class CHROMEOS_EXPORT SystemSaltGetter { |
21 public: | 23 public: |
22 typedef base::Callback<void(const std::string& system_salt)> | 24 typedef base::Callback<void(const std::string& system_salt)> |
23 GetSystemSaltCallback; | 25 GetSystemSaltCallback; |
24 | 26 |
25 // Manage an explicitly initialized global instance. | 27 // Manage an explicitly initialized global instance. |
26 static void Initialize(); | 28 static void Initialize(); |
27 static bool IsInitialized(); | 29 static bool IsInitialized(); |
28 static void Shutdown(); | 30 static void Shutdown(); |
29 static SystemSaltGetter* Get(); | 31 static SystemSaltGetter* Get(); |
30 | 32 |
31 // Converts |salt| to a hex encoded string. | 33 // Converts |salt| to a hex encoded string. |
32 static std::string ConvertRawSaltToHexString(const std::vector<uint8>& salt); | 34 static std::string ConvertRawSaltToHexString( |
| 35 const std::vector<uint8_t>& salt); |
33 | 36 |
34 // Returns system hash in hex encoded ascii format. Note: this may return | 37 // Returns system hash in hex encoded ascii format. Note: this may return |
35 // an empty string (e.g. errors in D-Bus layer) | 38 // an empty string (e.g. errors in D-Bus layer) |
36 void GetSystemSalt(const GetSystemSaltCallback& callback); | 39 void GetSystemSalt(const GetSystemSaltCallback& callback); |
37 | 40 |
38 protected: | 41 protected: |
39 SystemSaltGetter(); | 42 SystemSaltGetter(); |
40 ~SystemSaltGetter(); | 43 ~SystemSaltGetter(); |
41 | 44 |
42 private: | 45 private: |
43 // Used to implement GetSystemSalt(). | 46 // Used to implement GetSystemSalt(). |
44 void DidWaitForServiceToBeAvailable(const GetSystemSaltCallback& callback, | 47 void DidWaitForServiceToBeAvailable(const GetSystemSaltCallback& callback, |
45 bool service_is_available); | 48 bool service_is_available); |
46 void DidGetSystemSalt(const GetSystemSaltCallback& callback, | 49 void DidGetSystemSalt(const GetSystemSaltCallback& callback, |
47 DBusMethodCallStatus call_status, | 50 DBusMethodCallStatus call_status, |
48 const std::vector<uint8>& system_salt); | 51 const std::vector<uint8_t>& system_salt); |
49 | 52 |
50 std::string system_salt_; | 53 std::string system_salt_; |
51 | 54 |
52 base::WeakPtrFactory<SystemSaltGetter> weak_ptr_factory_; | 55 base::WeakPtrFactory<SystemSaltGetter> weak_ptr_factory_; |
53 | 56 |
54 DISALLOW_COPY_AND_ASSIGN(SystemSaltGetter); | 57 DISALLOW_COPY_AND_ASSIGN(SystemSaltGetter); |
55 }; | 58 }; |
56 | 59 |
57 } // namespace chromeos | 60 } // namespace chromeos |
58 | 61 |
59 #endif // CHROMEOS_CRYPTOHOME_SYSTEM_SALT_GETTER_H_ | 62 #endif // CHROMEOS_CRYPTOHOME_SYSTEM_SALT_GETTER_H_ |
OLD | NEW |