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// Copyright 2013 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/extensions/api/music_manager_private/device_id.h"
#include "base/bind.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "content/public/browser/browser_thread.h"
namespace {
const char kDBusFilename[] = "/var/lib/dbus/machine-id";
void GetDBusMachineId(const extensions::api::DeviceId::IdCallback& callback) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
std::string result;
if (!file_util::ReadFileToString(base::FilePath(kDBusFilename), &result)) {
DLOG(WARNING) << "Error reading dbus machine id file.";
result = "";
}
content::BrowserThread::PostTask(
content::BrowserThread::UI,
FROM_HERE,
base::Bind(callback, result));
}
}
namespace extensions {
namespace api {
// Linux: Use the content of the "DBus" machine-id file.
/* static */
void DeviceId::GetMachineId(const IdCallback& callback) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
content::BrowserThread::PostTask(
content::BrowserThread::FILE,
FROM_HERE,
base::Bind(GetDBusMachineId, callback));
}
} // namespace api
} // namespace extensions
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