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// Copyright (c) 2006-2008 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/installer/util/google_update_settings.h"
#include "base/registry.h"
#include "chrome/installer/util/google_update_constants.h"
namespace {
std::wstring GetClientStateKeyPath(const bool use_medium_key) {
std::wstring reg_path(use_medium_key ?
google_update::kRegPathClientStateMedium :
google_update::kRegPathClientState);
reg_path.append(L"\\");
reg_path.append(google_update::kChromeGuid);
return reg_path;
}
bool ReadGoogleUpdateStrKey(const wchar_t* const name, std::wstring* value) {
std::wstring reg_path = GetClientStateKeyPath(false);
RegKey key(HKEY_CURRENT_USER, reg_path.c_str(), KEY_READ);
if (!key.ReadValue(name, value)) {
RegKey hklm_key(HKEY_LOCAL_MACHINE, reg_path.c_str(), KEY_READ);
return hklm_key.ReadValue(name, value);
}
return true;
}
bool ClearGoogleUpdateStrKey(const wchar_t* const name) {
std::wstring reg_path = GetClientStateKeyPath(false);
RegKey key(HKEY_CURRENT_USER, reg_path.c_str(), KEY_READ | KEY_WRITE);
std::wstring value;
if (!key.ReadValue(name, &value))
return false;
return key.WriteValue(name, L"");
}
} // namespace.
bool GoogleUpdateSettings::GetCollectStatsConsent() {
std::wstring reg_path = GetClientStateKeyPath(false);
RegKey key(HKEY_CURRENT_USER, reg_path.c_str(), KEY_READ);
DWORD value;
if (!key.ReadValueDW(google_update::kRegUsageStatsField, &value)) {
RegKey hklm_key(HKEY_LOCAL_MACHINE, reg_path.c_str(), KEY_READ);
if (!hklm_key.ReadValueDW(google_update::kRegUsageStatsField, &value))
return false;
}
return (1 == value);
}
bool GoogleUpdateSettings::SetCollectStatsConsent(bool consented) {
DWORD value = consented? 1 : 0;
// Writing to HKLM is only a best effort deal.
std::wstring reg_path = GetClientStateKeyPath(true);
RegKey key_hklm(HKEY_LOCAL_MACHINE, reg_path.c_str(), KEY_READ | KEY_WRITE);
key_hklm.WriteValue(google_update::kRegUsageStatsField, value);
// Writing to HKCU is used both by chrome and by the crash reporter.
reg_path = GetClientStateKeyPath(false);
RegKey key_hkcu(HKEY_CURRENT_USER, reg_path.c_str(), KEY_READ | KEY_WRITE);
return key_hkcu.WriteValue(google_update::kRegUsageStatsField, value);
}
bool GoogleUpdateSettings::SetEULAConsent(bool consented) {
std::wstring reg_path = GetClientStateKeyPath(true);
RegKey key(HKEY_LOCAL_MACHINE, reg_path.c_str(), KEY_READ | KEY_SET_VALUE);
return key.WriteValue(google_update::kRegEULAAceptedField, consented? 1 : 0);
}
bool GoogleUpdateSettings::GetBrowser(std::wstring* browser) {
return ReadGoogleUpdateStrKey(google_update::kRegBrowserField, browser);
}
bool GoogleUpdateSettings::GetLanguage(std::wstring* language) {
return ReadGoogleUpdateStrKey(google_update::kRegLangField, language);
}
bool GoogleUpdateSettings::GetBrand(std::wstring* brand) {
return ReadGoogleUpdateStrKey(google_update::kRegRLZBrandField, brand);
}
bool GoogleUpdateSettings::GetReferral(std::wstring* referral) {
return ReadGoogleUpdateStrKey(google_update::kRegReferralField, referral);
}
bool GoogleUpdateSettings::ClearReferral() {
return ClearGoogleUpdateStrKey(google_update::kRegReferralField);
}
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