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// Copyright 2025 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/windows_services/service_program/user_crash_state.h"
#include <utility>
#include "base/check.h"
#include "base/memory/ptr_util.h"
#include "base/process/process.h"
#include "base/win/access_token.h"
#include "base/win/sid.h"
#include "build/branding_buildflags.h"
#include "chrome/install_static/install_util.h"
#include "chrome/windows_services/service_program/scoped_client_impersonation.h"
namespace {
std::wstring GetUserSidString(const base::Process& client_process) {
if (auto token = base::win::AccessToken::FromProcess(client_process.Handle());
token.has_value()) {
if (auto sid_string = token->User().ToSddlString();
sid_string.has_value()) {
return *std::move(sid_string);
}
}
return {};
}
base::win::RegKey GetClientStateMediumKey() {
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
if (!install_static::IsSystemInstall()) {
return {}; // Not needed for per-user installs.
}
return base::win::RegKey(
HKEY_LOCAL_MACHINE, install_static::GetClientStateMediumKeyPath().c_str(),
KEY_NOTIFY | KEY_QUERY_VALUE | KEY_WOW64_32KEY);
#else
return {}; // No consent state to monitor for Chromium builds.
#endif
}
base::win::RegKey GetClientStateKey() {
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
return base::win::RegKey(install_static::IsSystemInstall()
? HKEY_LOCAL_MACHINE
: HKEY_CURRENT_USER,
install_static::GetClientStateKeyPath().c_str(),
KEY_NOTIFY | KEY_QUERY_VALUE | KEY_WOW64_32KEY);
#else
return {}; // No consent state to monitor for Chromium builds.
#endif
}
base::win::RegKey GetProductKey() {
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
return base::win::RegKey(HKEY_CURRENT_USER,
install_static::GetRegistryPath().c_str(),
KEY_NOTIFY | KEY_QUERY_VALUE | KEY_WOW64_32KEY);
#else
return {}; // No consent state to monitor for Chromium builds.
#endif
}
} // namespace
// static
std::unique_ptr<UserCrashState> UserCrashState::Create(
const ScopedClientImpersonation& impersonation,
const base::Process& client_process) {
CHECK(impersonation.is_valid());
if (auto sid_string = GetUserSidString(client_process); !sid_string.empty()) {
return base::WrapUnique(
new UserCrashState(std::move(sid_string), GetClientStateMediumKey(),
GetClientStateKey(), GetProductKey()));
}
return {};
}
UserCrashState::~UserCrashState() = default;
UserCrashState::UserCrashState(std::wstring user_sid,
base::win::RegKey client_state_medium_key,
base::win::RegKey client_state_key,
base::win::RegKey product_key)
: user_sid_(std::move(user_sid)),
client_state_medium_key_(std::move(client_state_medium_key)),
client_state_key_(std::move(client_state_key)),
product_key_(std::move(product_key)) {}
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