chrome/browser/chromeos/login/easy_unlock/easy_unlock_refresh_keys_operation.cc

   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 #include "base/bind.h"
   6 #include "chrome/browser/chromeos/login/easy_unlock/easy_unlock_create_keys_operation.h"
   7 #include "chrome/browser/chromeos/login/easy_unlock/easy_unlock_refresh_keys_operation.h"
   8 #include "chrome/browser/chromeos/login/easy_unlock/easy_unlock_remove_keys_operation.h"
   9
  10 namespace chromeos {
  11
  12 EasyUnlockRefreshKeysOperation::EasyUnlockRefreshKeysOperation(
  13     const UserContext& user_context,
  14     const std::string& tpm_public_key,
  15     const EasyUnlockDeviceKeyDataList& devices,
  16     const RefreshKeysCallback& callback)
  17     : user_context_(user_context),
  18       tpm_public_key_(tpm_public_key),
  19       devices_(devices),
  20       callback_(callback),
  21       weak_ptr_factory_(this) {
  22 }
  23
  24 EasyUnlockRefreshKeysOperation::~EasyUnlockRefreshKeysOperation() {
  25 }
  26
  27 void EasyUnlockRefreshKeysOperation::Start() {
  28   if (devices_.empty()) {
  29     OnKeysCreated(true);
  30     return;
  31   }
  32
  33   create_keys_operation_.reset(new EasyUnlockCreateKeysOperation(
  34       user_context_, tpm_public_key_, devices_,
  35       base::Bind(&EasyUnlockRefreshKeysOperation::OnKeysCreated,
  36                  weak_ptr_factory_.GetWeakPtr())));
  37   create_keys_operation_->Start();
  38 }
  39
  40 void EasyUnlockRefreshKeysOperation::OnKeysCreated(bool success) {
  41   if (!success) {
  42     callback_.Run(false);
  43     return;
  44   }
  45
  46   // Update the user context to have the new authorization key after the create
  47   // keys operation. This is necessary because the old authorization key
  48   // associated with the user context will be invalidated after the create keys
  49   // operation.
  50   if (create_keys_operation_)
  51     user_context_ = create_keys_operation_->user_context();
  52
  53   remove_keys_operation_.reset(new EasyUnlockRemoveKeysOperation(
  54       user_context_, devices_.size(),
  55       base::Bind(&EasyUnlockRefreshKeysOperation::OnKeysRemoved,
  56                  weak_ptr_factory_.GetWeakPtr())));
  57   remove_keys_operation_->Start();
  58 }
  59
  60 void EasyUnlockRefreshKeysOperation::OnKeysRemoved(bool success) {
  61   callback_.Run(success);
  62 }
  63
  64 }  // namespace chromeos