chrome/browser/chromeos/login/easy_unlock/easy_unlock_remove_keys_operation.h

   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_REMOVE_KEYS_OPERATION_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_REMOVE_KEYS_OPERATION_H_
   7
   8 #include "base/callback.h"
   9 #include "base/macros.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "chromeos/login/auth/user_context.h"
  12 #include "third_party/cros_system_api/dbus/service_constants.h"
  13
  14 namespace chromeos {
  15
  16 class UserContext;
  17
  18 // A class to remove existing Easy unlock cryptohome keys starting at given
  19 // index.
  20 class EasyUnlockRemoveKeysOperation {
  21  public:
  22   typedef base::Callback<void (bool success)> RemoveKeysCallback;
  23   EasyUnlockRemoveKeysOperation(const UserContext& user_context,
  24                                 size_t start_index,
  25                                 const RemoveKeysCallback& callback);
  26   ~EasyUnlockRemoveKeysOperation();
  27
  28   void Start();
  29
  30  private:
  31   void OnGetSystemSalt(const std::string& system_salt);
  32
  33   void RemoveKey();
  34   void OnKeyRemoved(bool success, cryptohome::MountError return_code);
  35
  36   UserContext user_context_;
  37   RemoveKeysCallback callback_;
  38   size_t key_index_;
  39   base::WeakPtrFactory<EasyUnlockRemoveKeysOperation> weak_ptr_factory_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(EasyUnlockRemoveKeysOperation);
  42 };
  43
  44 }  // namespace chromeos
  45
  46 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_REMOVE_KEYS_OPERATION_H_