cryptohome_op.h revision ddb351dbec246cf1fab5ec20d2d5520909041de1 
1// Copyright (c) 2011 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_CRYPTOHOME_OP_H_
6#define CHROME_BROWSER_CHROMEOS_LOGIN_CRYPTOHOME_OP_H_
7#pragma once
8
9#include <string>
10
11#include "base/memory/ref_counted.h"
12#include "chrome/browser/chromeos/cros/cryptohome_library.h"
13
14namespace chromeos {
15class AuthAttemptState;
16class AuthAttemptStateResolver;
17
18class CryptohomeOp
19    : public base::RefCountedThreadSafe<CryptohomeOp>,
20      public CryptohomeLibrary::Delegate {
21 public:
22  static CryptohomeOp* CreateMountAttempt(AuthAttemptState* current_attempt,
23                                          AuthAttemptStateResolver* callback,
24                                          bool create_if_missing);
25
26  static CryptohomeOp* CreateMountGuestAttempt(
27      AuthAttemptState* current_attempt,
28      AuthAttemptStateResolver* callback);
29
30  static CryptohomeOp* CreateMigrateAttempt(AuthAttemptState* current_attempt,
31                                            AuthAttemptStateResolver* callback,
32                                            bool passing_old_hash,
33                                            const std::string& hash);
34
35  static CryptohomeOp* CreateRemoveAttempt(AuthAttemptState* current_attempt,
36                                           AuthAttemptStateResolver* callback);
37
38  static CryptohomeOp* CreateCheckKeyAttempt(
39      AuthAttemptState* current_attempt,
40      AuthAttemptStateResolver* callback);
41
42  virtual bool Initiate() = 0;
43
44  // Implementation of CryptohomeLibrary::Delegate.
45  virtual void OnComplete(bool success, int return_code);
46
47 protected:
48  CryptohomeOp(AuthAttemptState* current_attempt,
49               AuthAttemptStateResolver* callback);
50
51  virtual ~CryptohomeOp();
52
53  virtual void TriggerResolve(bool offline_outcome, int offline_code);
54
55  AuthAttemptState* const attempt_;
56  AuthAttemptStateResolver* const resolver_;
57
58 private:
59  friend class base::RefCountedThreadSafe<CryptohomeOp>;
60  DISALLOW_COPY_AND_ASSIGN(CryptohomeOp);
61};
62
63}  // namespace chromeos
64
65#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_CRYPTOHOME_OP_H_
66