| // 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/metrics/histogram.h" |
| #include "chrome/browser/policy/cloud/enterprise_metrics.h" |
| #include "chrome/browser/policy/proto/cloud/device_management_local.pb.h" |
| #include "content/public/browser/browser_thread.h" |
| |
| using content::BrowserThread; |
| |
| namespace { |
| |
| // Other places can sample on the same UMA counter, so make sure they all do |
| // it on the same thread (UI). |
| void SampleUMAOnUIThread(policy::MetricToken sample) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| UMA_HISTOGRAM_ENUMERATION(policy::kMetricToken, sample, |
| policy::kMetricTokenSize); |
| } |
| |
| void SampleUMA(policy::MetricToken sample) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); |
| BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, |
| base::Bind(&SampleUMAOnUIThread, sample)); |
| } |
| |
| } // namespace |
| |
| namespace policy { |
| |
| namespace em = enterprise_management; |
| |
| UserPolicyTokenLoader::Delegate::~Delegate() {} |
| |
| UserPolicyTokenLoader::UserPolicyTokenLoader( |
| const base::WeakPtr<Delegate>& delegate, |
| const base::FilePath& cache_file) |
| : delegate_(delegate), |
| cache_file_(cache_file) {} |
| |
| void UserPolicyTokenLoader::Load() { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| BrowserThread::PostTask( |
| BrowserThread::FILE, FROM_HERE, |
| base::Bind(&UserPolicyTokenLoader::LoadOnFileThread, this)); |
| } |
| |
| UserPolicyTokenLoader::~UserPolicyTokenLoader() { |
| } |
| |
| void UserPolicyTokenLoader::LoadOnFileThread() { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); |
| 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(); |
| SampleUMA(kMetricTokenLoadSucceeded); |
| } else { |
| SampleUMA(kMetricTokenLoadFailed); |
| } |
| } |
| |
| BrowserThread::PostTask( |
| BrowserThread::UI, FROM_HERE, |
| base::Bind(&UserPolicyTokenLoader::NotifyOnUIThread, |
| this, |
| device_token, |
| device_id)); |
| } |
| |
| void UserPolicyTokenLoader::NotifyOnUIThread(const std::string& token, |
| const std::string& device_id) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| if (delegate_.get()) |
| delegate_->OnTokenLoaded(token, device_id); |
| } |
| |
| } // namespace policy |