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// Copyright 2016 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/ui/webui/settings/browser_lifetime_handler.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "build/build_config.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browser_process_platform_part.h"
#include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
#include "chrome/browser/chromeos/tpm_firmware_update.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"
#include "components/user_manager/user_manager.h"
#endif // defined(OS_CHROMEOS)
#if defined(OS_MACOSX)
#include "chrome/browser/first_run/upgrade_util_mac.h"
#endif
namespace settings {
namespace {
#if defined(OS_CHROMEOS)
// Triggers a TPM firmware update using the least destructive mode from
// |available_modes|.
void TriggerTPMFirmwareUpdate(
const std::set<chromeos::tpm_firmware_update::Mode>& available_modes) {
using chromeos::tpm_firmware_update::Mode;
// Decide which update mode to use.
for (Mode mode :
{Mode::kPreserveDeviceState, Mode::kPowerwash, Mode::kCleanup}) {
if (available_modes.count(mode) == 0) {
continue;
}
// Save a TPM firmware update request in local state, which
// will trigger the reset screen to appear on reboot.
PrefService* prefs = g_browser_process->local_state();
prefs->SetBoolean(prefs::kFactoryResetRequested, true);
prefs->SetInteger(prefs::kFactoryResetTPMFirmwareUpdateMode,
static_cast<int>(mode));
prefs->CommitPendingWrite();
chrome::AttemptRelaunch();
return;
}
}
#endif // defined(OS_CHROMEOS)
} // namespace
BrowserLifetimeHandler::BrowserLifetimeHandler() {}
BrowserLifetimeHandler::~BrowserLifetimeHandler() {}
void BrowserLifetimeHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback(
"restart", base::BindRepeating(&BrowserLifetimeHandler::HandleRestart,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"relaunch", base::BindRepeating(&BrowserLifetimeHandler::HandleRelaunch,
base::Unretained(this)));
#if defined(OS_CHROMEOS)
web_ui()->RegisterMessageCallback(
"signOutAndRestart",
base::BindRepeating(&BrowserLifetimeHandler::HandleSignOutAndRestart,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"factoryReset",
base::BindRepeating(&BrowserLifetimeHandler::HandleFactoryReset,
base::Unretained(this)));
#endif // defined(OS_CHROMEOS)
}
void BrowserLifetimeHandler::HandleRestart(
const base::ListValue* args) {
chrome::AttemptRestart();
}
void BrowserLifetimeHandler::HandleRelaunch(
const base::ListValue* args) {
#if defined(OS_MACOSX)
if (!upgrade_util::ShouldContinueToRelaunchForUpgrade())
return;
#endif // OS_MACOSX
chrome::AttemptRelaunch();
}
#if defined(OS_CHROMEOS)
void BrowserLifetimeHandler::HandleSignOutAndRestart(
const base::ListValue* args) {
chrome::AttemptUserExit();
}
void BrowserLifetimeHandler::HandleFactoryReset(
const base::ListValue* args) {
base::span<const base::Value> args_list = args->GetList();
CHECK_EQ(1U, args_list.size());
bool tpm_firmware_update_requested = args_list[0].GetBool();
if (tpm_firmware_update_requested) {
chromeos::tpm_firmware_update::GetAvailableUpdateModes(
base::BindOnce(&TriggerTPMFirmwareUpdate), base::TimeDelta());
return;
}
// TODO(crbug.com/891905): Centralize powerwash restriction checks.
policy::BrowserPolicyConnectorChromeOS* connector =
g_browser_process->platform_part()->browser_policy_connector_chromeos();
bool allow_powerwash =
!connector->IsEnterpriseManaged() &&
!user_manager::UserManager::Get()->IsLoggedInAsGuest() &&
!user_manager::UserManager::Get()->IsLoggedInAsSupervisedUser() &&
!user_manager::UserManager::Get()->IsLoggedInAsChildUser();
if (!allow_powerwash)
return;
PrefService* prefs = g_browser_process->local_state();
prefs->SetBoolean(prefs::kFactoryResetRequested, true);
prefs->CommitPendingWrite();
// Perform sign out. Current chrome process will then terminate, new one will
// be launched (as if it was a restart).
chrome::AttemptRelaunch();
}
#endif // defined(OS_CHROMEOS)
} // namespace settings
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