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// Copyright (c) 2006-2009 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 "base/string_util.h"
#include "base/time.h"
#include "chrome/installer/util/browser_distribution.h"
#include "chrome/installer/util/google_update_constants.h"
#include "chrome/installer/util/install_util.h"
namespace {
bool ReadGoogleUpdateStrKey(const wchar_t* const name, std::wstring* value) {
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
std::wstring reg_path = dist->GetStateKey();
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 WriteGoogleUpdateStrKey(const wchar_t* const name,
const std::wstring& value) {
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
std::wstring reg_path = dist->GetStateKey();
RegKey key(HKEY_CURRENT_USER, reg_path.c_str(), KEY_READ | KEY_WRITE);
return key.WriteValue(name, value.c_str());
}
bool ClearGoogleUpdateStrKey(const wchar_t* const name) {
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
std::wstring reg_path = dist->GetStateKey();
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"");
}
bool RemoveGoogleUpdateStrKey(const wchar_t* const name) {
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
std::wstring reg_path = dist->GetStateKey();
RegKey key(HKEY_CURRENT_USER, reg_path.c_str(), KEY_READ | KEY_WRITE);
if (!key.ValueExists(name))
return true;
return key.DeleteValue(name);
}
} // namespace.
bool GoogleUpdateSettings::GetCollectStatsConsent() {
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
std::wstring reg_path = dist->GetStateKey();
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.
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
std::wstring reg_path = dist->GetStateMediumKey();
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 = dist->GetStateKey();
RegKey key_hkcu(HKEY_CURRENT_USER, reg_path.c_str(), KEY_READ | KEY_WRITE);
return key_hkcu.WriteValue(google_update::kRegUsageStatsField, value);
}
bool GoogleUpdateSettings::GetMetricsId(std::wstring* metrics_id) {
return ReadGoogleUpdateStrKey(google_update::kRegMetricsId, metrics_id);
}
bool GoogleUpdateSettings::SetMetricsId(const std::wstring& metrics_id) {
return WriteGoogleUpdateStrKey(google_update::kRegMetricsId, metrics_id);
}
bool GoogleUpdateSettings::SetEULAConsent(bool consented) {
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
std::wstring reg_path = dist->GetStateMediumKey();
RegKey key(HKEY_LOCAL_MACHINE, reg_path.c_str(), KEY_READ | KEY_SET_VALUE);
return key.WriteValue(google_update::kRegEULAAceptedField, consented? 1 : 0);
}
int GoogleUpdateSettings::GetLastRunTime() {
std::wstring time_s;
if (!ReadGoogleUpdateStrKey(google_update::kRegLastRunTimeField, &time_s))
return -1;
int64 time_i;
if (!StringToInt64(time_s, &time_i))
return -1;
base::TimeDelta td =
base::Time::NowFromSystemTime() - base::Time::FromInternalValue(time_i);
return td.InDays();
}
bool GoogleUpdateSettings::SetLastRunTime() {
int64 time = base::Time::NowFromSystemTime().ToInternalValue();
return WriteGoogleUpdateStrKey(google_update::kRegLastRunTimeField,
Int64ToWString(time));
}
bool GoogleUpdateSettings::RemoveLastRunTime() {
return RemoveGoogleUpdateStrKey(google_update::kRegLastRunTimeField);
}
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::GetClient(std::wstring* client) {
return ReadGoogleUpdateStrKey(google_update::kRegClientField, client);
}
bool GoogleUpdateSettings::SetClient(const std::wstring& client) {
return WriteGoogleUpdateStrKey(google_update::kRegClientField, client);
}
bool GoogleUpdateSettings::GetReferral(std::wstring* referral) {
return ReadGoogleUpdateStrKey(google_update::kRegReferralField, referral);
}
bool GoogleUpdateSettings::ClearReferral() {
return ClearGoogleUpdateStrKey(google_update::kRegReferralField);
}
bool GoogleUpdateSettings::GetChromeChannel(bool system_install,
std::wstring* channel) {
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
if (dist->GetChromeChannel(channel))
return true;
HKEY root_key = system_install ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
std::wstring reg_path = dist->GetStateKey();
RegKey key(root_key, reg_path.c_str(), KEY_READ);
std::wstring update_branch;
if (!key.ReadValue(google_update::kRegApField, &update_branch)) {
*channel = L"unknown";
return false;
}
// Map to something pithy for human consumption. There are no rules as to
// what the ap string can contain, but generally it will contain a number
// followed by a dash followed by the branch name (and then some random
// suffix). We fall back on empty string in case we fail to parse.
// Only ever return "", "unknown", "dev" or "beta".
if (update_branch.find(L"-beta") != std::wstring::npos)
*channel = L"beta";
else if (update_branch.find(L"-dev") != std::wstring::npos)
*channel = L"dev";
else if (update_branch.empty())
*channel = L"";
else
*channel = L"unknown";
return true;
}
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