chrome/browser/chromeos/login/easy_unlock/easy_unlock_create_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_CREATE_KEYS_OPERATION_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_CREATE_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 #include "third_party/cros_system_api/dbus/service_constants.h"
  16
  17 namespace chromeos {
  18
  19 class UserContext;
  20
  21 // A class to create Easy unlock cryptohome keys for the given user and devices.
  22 class EasyUnlockCreateKeysOperation {
  23  public:
  24   typedef base::Callback<void (bool success)> CreateKeysCallback;
  25   EasyUnlockCreateKeysOperation(
  26       const UserContext& user_context,
  27       const std::string& tpm_public_key,
  28       const EasyUnlockDeviceKeyDataList& devices,
  29       const CreateKeysCallback& callback);
  30   ~EasyUnlockCreateKeysOperation();
  31
  32   void Start();
  33
  34   // The UserContext returned will contain the new key if called after the
  35   // operation has completed successfully.
  36   const UserContext& user_context() const { return user_context_; }
  37
  38  private:
  39   class ChallengeCreator;
  40
  41   void CreateKeyForDeviceAtIndex(size_t index);
  42   void OnChallengeCreated(size_t index, bool success);
  43   void OnGetSystemSalt(size_t index,
  44                        const std::string& system_salt);
  45   void OnKeyCreated(size_t index,
  46                     const Key& user_key,
  47                     bool success,
  48                     cryptohome::MountError return_code);
  49
  50   UserContext user_context_;
  51   std::string tpm_public_key_;
  52   EasyUnlockDeviceKeyDataList devices_;
  53   CreateKeysCallback callback_;
  54
  55   // Index of the key to be created.
  56   size_t key_creation_index_;
  57
  58   scoped_ptr<ChallengeCreator> challenge_creator_;
  59
  60   base::WeakPtrFactory<EasyUnlockCreateKeysOperation> weak_ptr_factory_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(EasyUnlockCreateKeysOperation);
  63 };
  64
  65 }  // namespace chromeos
  66
  67 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_CREATE_KEYS_OPERATION_H_