| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/chromeos/policy/user_policy_token_loader.h" |
| |
| #include "base/bind.h" |
| #include "base/file_util.h" |
| #include "base/location.h" |
| #include "base/message_loop/message_loop_proxy.h" |
| #include "base/metrics/histogram.h" |
| #include "base/sequenced_task_runner.h" |
| #include "components/policy/core/common/cloud/enterprise_metrics.h" |
| #include "policy/proto/device_management_local.pb.h" |
| |
| namespace policy { |
| |
| namespace em = enterprise_management; |
| |
| UserPolicyTokenLoader::Delegate::~Delegate() {} |
| |
| UserPolicyTokenLoader::UserPolicyTokenLoader( |
| const base::WeakPtr<Delegate>& delegate, |
| const base::FilePath& cache_file, |
| scoped_refptr<base::SequencedTaskRunner> background_task_runner) |
| : delegate_(delegate), |
| cache_file_(cache_file), |
| origin_task_runner_(base::MessageLoopProxy::current()), |
| background_task_runner_(background_task_runner) {} |
| |
| void UserPolicyTokenLoader::Load() { |
| DCHECK(origin_task_runner_->RunsTasksOnCurrentThread()); |
| background_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind(&UserPolicyTokenLoader::LoadOnBackgroundThread, this)); |
| } |
| |
| UserPolicyTokenLoader::~UserPolicyTokenLoader() { |
| } |
| |
| void UserPolicyTokenLoader::LoadOnBackgroundThread() { |
| DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); |
| std::string device_token; |
| std::string device_id; |
| |
| if (base::PathExists(cache_file_)) { |
| std::string data; |
| em::DeviceCredentials device_credentials; |
| if (base::ReadFileToString(cache_file_, &data) && |
| device_credentials.ParseFromArray(data.c_str(), data.size())) { |
| device_token = device_credentials.device_token(); |
| device_id = device_credentials.device_id(); |
| UMA_HISTOGRAM_ENUMERATION(policy::kMetricToken, |
| kMetricTokenLoadSucceeded, |
| policy::kMetricTokenSize); |
| } else { |
| UMA_HISTOGRAM_ENUMERATION(policy::kMetricToken, |
| kMetricTokenLoadFailed, |
| policy::kMetricTokenSize); |
| } |
| } |
| |
| origin_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind(&UserPolicyTokenLoader::NotifyOnOriginThread, |
| this, |
| device_token, |
| device_id)); |
| } |
| |
| void UserPolicyTokenLoader::NotifyOnOriginThread(const std::string& token, |
| const std::string& device_id) { |
| DCHECK(origin_task_runner_->RunsTasksOnCurrentThread()); |
| if (delegate_.get()) |
| delegate_->OnTokenLoaded(token, device_id); |
| } |
| |
| } // namespace policy |