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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/cryptauth/cryptauth_device_id_provider_impl.h"
#include "base/no_destructor.h"
#include "base/uuid.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
namespace ash {
// static
void CryptAuthDeviceIdProviderImpl::RegisterLocalPrefs(
PrefRegistrySimple* registry) {
registry->RegisterStringPref(prefs::kCryptAuthDeviceId, std::string());
}
// static
const CryptAuthDeviceIdProviderImpl*
CryptAuthDeviceIdProviderImpl::GetInstance() {
static const base::NoDestructor<CryptAuthDeviceIdProviderImpl> provider;
return provider.get();
}
std::string CryptAuthDeviceIdProviderImpl::GetDeviceId() const {
PrefService* local_state = g_browser_process->local_state();
DCHECK(local_state);
std::string device_id = local_state->GetString(prefs::kCryptAuthDeviceId);
if (device_id.empty()) {
device_id = base::Uuid::GenerateRandomV4().AsLowercaseString();
local_state->SetString(prefs::kCryptAuthDeviceId, device_id);
}
return device_id;
}
CryptAuthDeviceIdProviderImpl::CryptAuthDeviceIdProviderImpl() = default;
} // namespace ash
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