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_EASY_UNLOCK_EASY_UNLOCK_REFRESH_KEYS_OPERATION_H_
6 #define CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_REFRESH_KEYS_OPERATION_H_
7 
8 #include <string>
9 
10 #include "base/callback.h"
11 #include "base/macros.h"
12 #include "base/memory/weak_ptr.h"
13 #include "chrome/browser/chromeos/login/easy_unlock/easy_unlock_types.h"
14 #include "chromeos/login/auth/user_context.h"
15 
16 namespace chromeos {
17 
18 class EasyUnlockCreateKeysOperation;
19 class EasyUnlockRemoveKeysOperation;
20 class UserContext;
21 
22 // The refresh keys operation replaces the existing keys in cryptohome with a
23 // new list of keys. This operation is a simple sequence of the create and
24 // remove keys operations.
25 class EasyUnlockRefreshKeysOperation {
26  public:
27   typedef base::Callback<void(bool success)> RefreshKeysCallback;
28   EasyUnlockRefreshKeysOperation(const UserContext& user_context,
29                                  const std::string& tpm_public_key,
30                                  const EasyUnlockDeviceKeyDataList& devices,
31                                  const RefreshKeysCallback& callback);
32   ~EasyUnlockRefreshKeysOperation();
33 
34   void Start();
35 
36  private:
37   void OnKeysCreated(bool success);
38   void RemoveKeysStartingFromIndex(size_t key_index);
39   void OnKeysRemoved(bool success);
40 
41   UserContext user_context_;
42   std::string tpm_public_key_;
43   EasyUnlockDeviceKeyDataList devices_;
44   RefreshKeysCallback callback_;
45 
46   std::unique_ptr<EasyUnlockCreateKeysOperation> create_keys_operation_;
47   std::unique_ptr<EasyUnlockRemoveKeysOperation> remove_keys_operation_;
48 
49   base::WeakPtrFactory<EasyUnlockRefreshKeysOperation> weak_ptr_factory_{this};
50 
51   DISALLOW_COPY_AND_ASSIGN(EasyUnlockRefreshKeysOperation);
52 };
53 
54 }  // namespace chromeos
55 
56 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_REFRESH_KEYS_OPERATION_H_
57