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// Copyright 2016 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/ui/webui/settings/browser_lifetime_handler.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "build/build_config.h"
#include "chrome/browser/enterprise/browser_management/management_service_factory.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#include "chrome/grit/branded_strings.h"
#include "components/policy/core/common/management/management_service.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chrome/browser/ash/tpm/tpm_firmware_update.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"
#include "components/user_manager/user_manager.h"
#include "ui/webui/webui_util.h"
#endif // BUILDFLAG(IS_CHROMEOS)
#if !BUILDFLAG(IS_CHROMEOS)
#include "chrome/browser/ui/browser_list.h"
#include "chrome/grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#endif
namespace settings {
namespace {
#if BUILDFLAG(IS_CHROMEOS)
// Triggers a TPM firmware update using the least destructive mode from
// |available_modes|.
void TriggerTPMFirmwareUpdate(
const std::set<ash::tpm_firmware_update::Mode>& available_modes) {
using ::ash::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 // BUILDFLAG(IS_CHROMEOS)
} // namespace
BrowserLifetimeHandler::BrowserLifetimeHandler() = default;
BrowserLifetimeHandler::~BrowserLifetimeHandler() = default;
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 BUILDFLAG(IS_CHROMEOS)
web_ui()->RegisterMessageCallback(
"signOutAndRestart",
base::BindRepeating(&BrowserLifetimeHandler::HandleSignOutAndRestart,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"factoryReset",
base::BindRepeating(&BrowserLifetimeHandler::HandleFactoryReset,
base::Unretained(this)));
#endif // BUILDFLAG(IS_CHROMEOS)
#if !BUILDFLAG(IS_CHROMEOS)
web_ui()->RegisterMessageCallback(
"shouldShowRelaunchConfirmationDialog",
base::BindRepeating(
&BrowserLifetimeHandler::HandleShouldShowRelaunchConfirmationDialog,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"getRelaunchConfirmationDialogDescription",
base::BindRepeating(&BrowserLifetimeHandler::
HandleGetRelaunchConfirmationDialogDescription,
base::Unretained(this)));
#endif
}
void BrowserLifetimeHandler::HandleRestart(const base::Value::List& args) {
chrome::AttemptRestart();
}
void BrowserLifetimeHandler::HandleRelaunch(const base::Value::List& args) {
chrome::AttemptRelaunch();
}
#if BUILDFLAG(IS_CHROMEOS)
void BrowserLifetimeHandler::HandleSignOutAndRestart(
const base::Value::List& args) {
chrome::AttemptUserExit();
}
void BrowserLifetimeHandler::HandleFactoryReset(const base::Value::List& args) {
CHECK_EQ(1U, args.size());
bool tpm_firmware_update_requested = args[0].GetBool();
if (tpm_firmware_update_requested) {
ash::tpm_firmware_update::GetAvailableUpdateModes(
base::BindOnce(&TriggerTPMFirmwareUpdate), base::TimeDelta());
return;
}
// TODO(crbug.com/40596547): Centralize powerwash restriction checks.
bool allow_powerwash =
!policy::ManagementServiceFactory::GetForPlatform()->IsManaged() &&
!user_manager::UserManager::Get()->IsLoggedInAsGuest() &&
!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 // BUILDFLAG(IS_CHROMEOS)
#if !BUILDFLAG(IS_CHROMEOS)
void BrowserLifetimeHandler::HandleGetRelaunchConfirmationDialogDescription(
const base::Value::List& args) {
AllowJavascript();
CHECK_EQ(2U, args.size());
const base::Value& callback_id = args[0];
CHECK(args[1].is_bool());
const bool is_version_update = args[1].GetBool();
size_t incognito_count = BrowserList::GetIncognitoBrowserCount();
base::Value description;
// The caller can specify if this is a confirmation dialog for browser version
// update relaunch.
if (is_version_update) {
// The dialog description informs about a browser update after relaunch and
// warns about incognito windows closure if any is open.
description = base::Value(l10n_util::GetPluralStringFUTF16(
IDS_UPDATE_RECOMMENDED, incognito_count));
} else if (incognito_count > 0) {
// The dialog description warns about incognito windows being closed after
// relaunch.
description = base::Value(l10n_util::GetPluralStringFUTF16(
IDS_RELAUNCH_CONFIRMATION_DIALOG_BODY, incognito_count));
}
ResolveJavascriptCallback(callback_id, description);
}
void BrowserLifetimeHandler::HandleShouldShowRelaunchConfirmationDialog(
const base::Value::List& args) {
AllowJavascript();
CHECK_EQ(2U, args.size());
const base::Value& callback_id = args[0];
CHECK(args[1].is_bool());
const bool alwaysShowDialog = args[1].GetBool();
// The caller can specify if the dialog should always be shown for a given
// case by passing alwaysShowDialog parameter.
if (alwaysShowDialog) {
// Always show a confirmation dialog before the restart.
ResolveJavascriptCallback(callback_id, true);
} else {
// Show a confirmation dialog before the restart if there is an incognito
// window open.
base::Value result =
base::Value(BrowserList::GetIncognitoBrowserCount() > 0);
ResolveJavascriptCallback(callback_id, result);
}
}
#endif
} // namespace settings
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