blob: cbe463ab9fd0bff51e403b3a0175d72838eface8 [file] [log] [blame]
// Copyright (c) 2012 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/chrome_browser_main_win.h"
#include <windows.h>
#include <shellapi.h>
#include <algorithm>
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/environment.h"
#include "base/files/file_enumerator.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/i18n/rtl.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/metrics/histogram.h"
#include "base/path_service.h"
#include "base/scoped_native_library.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/win/metro.h"
#include "base/win/registry.h"
#include "base/win/win_util.h"
#include "base/win/windows_version.h"
#include "base/win/wrapped_window_proc.h"
#include "chrome/browser/browser_util_win.h"
#include "chrome/browser/chrome_elf_init_win.h"
#include "chrome/browser/first_run/first_run.h"
#include "chrome/browser/install_verification/win/install_verification.h"
#include "chrome/browser/profiles/profile_info_cache.h"
#include "chrome/browser/profiles/profile_shortcut_manager.h"
#include "chrome/browser/shell_integration.h"
#include "chrome/browser/ui/simple_message_box.h"
#include "chrome/browser/ui/uninstall_browser_prompt.h"
#include "chrome/chrome_watcher/chrome_watcher_main_api.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_result_codes.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/chrome_utility_messages.h"
#include "chrome/common/env_vars.h"
#include "chrome/grit/chromium_strings.h"
#include "chrome/grit/generated_resources.h"
#include "chrome/installer/util/browser_distribution.h"
#include "chrome/installer/util/helper.h"
#include "chrome/installer/util/install_util.h"
#include "chrome/installer/util/installer_util_strings.h"
#include "chrome/installer/util/l10n_string_util.h"
#include "chrome/installer/util/shell_util.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/utility_process_host.h"
#include "content/public/browser/utility_process_host_client.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/dwrite_font_platform_win.h"
#include "content/public/common/main_function_params.h"
#include "ui/base/cursor/cursor_loader_win.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/l10n/l10n_util_win.h"
#include "ui/base/ui_base_switches.h"
#include "ui/base/win/message_box_win.h"
#include "ui/gfx/platform_font_win.h"
#include "ui/gfx/switches.h"
#include "ui/gfx/win/direct_write.h"
#include "ui/strings/grit/app_locale_settings.h"
#if defined(GOOGLE_CHROME_BUILD)
#include "chrome/browser/google/did_run_updater_win.h"
#endif
#if defined(KASKO)
#include "syzygy/kasko/api/reporter.h"
#endif
namespace {
typedef HRESULT (STDAPICALLTYPE* RegisterApplicationRestartProc)(
const wchar_t* command_line,
DWORD flags);
void InitializeWindowProcExceptions() {
// Get the breakpad pointer from chrome.exe
base::win::WinProcExceptionFilter exception_filter =
reinterpret_cast<base::win::WinProcExceptionFilter>(
::GetProcAddress(::GetModuleHandle(
chrome::kBrowserProcessExecutableName),
"CrashForException"));
exception_filter = base::win::SetWinProcExceptionFilter(exception_filter);
DCHECK(!exception_filter);
}
// gfx::Font callbacks
void AdjustUIFont(LOGFONT* logfont) {
l10n_util::AdjustUIFont(logfont);
}
int GetMinimumFontSize() {
int min_font_size;
base::StringToInt(l10n_util::GetStringUTF16(IDS_MINIMUM_UI_FONT_SIZE),
&min_font_size);
return min_font_size;
}
class TranslationDelegate : public installer::TranslationDelegate {
public:
base::string16 GetLocalizedString(int installer_string_id) override;
};
void ExecuteFontCacheBuildTask(const base::FilePath& path) {
base::WeakPtr<content::UtilityProcessHost> utility_process_host(
content::UtilityProcessHost::Create(NULL, NULL)->AsWeakPtr());
utility_process_host->SetName(l10n_util::GetStringUTF16(
IDS_UTILITY_PROCESS_FONT_CACHE_BUILDER_NAME));
utility_process_host->DisableSandbox();
utility_process_host->Send(
new ChromeUtilityHostMsg_BuildDirectWriteFontCache(path));
}
#if defined(KASKO)
void ObserveFailedCrashReportDirectory(const base::FilePath& path, bool error) {
DCHECK(!error);
if (error)
return;
base::FileEnumerator enumerator(path, true, base::FileEnumerator::FILES);
for (base::FilePath report_file = enumerator.Next(); !report_file.empty();
report_file = enumerator.Next()) {
if (report_file.Extension() ==
kasko::api::kPermanentFailureMinidumpExtension) {
UMA_HISTOGRAM_BOOLEAN("CrashReport.PermanentUploadFailure", true);
}
bool result = base::DeleteFile(report_file, false);
DCHECK(result);
}
}
void StartFailedKaskoCrashReportWatcher(base::FilePathWatcher* watcher) {
base::FilePath watcher_data_directory;
if (!PathService::Get(chrome::DIR_WATCHER_DATA, &watcher_data_directory)) {
NOTREACHED();
} else {
base::FilePath permanent_failure_directory =
watcher_data_directory.Append(kPermanentlyFailedReportsSubdir);
if (!watcher->Watch(permanent_failure_directory, true,
base::Bind(&ObserveFailedCrashReportDirectory))) {
NOTREACHED();
}
// Call it once to observe any files present prior to the Watch() call.
ObserveFailedCrashReportDirectory(permanent_failure_directory, false);
}
}
#endif
void DetectFaultTolerantHeap() {
enum FTHFlags {
FTH_HKLM = 1,
FTH_HKCU = 2,
FTH_ACLAYERS_LOADED = 4,
FTH_ACXTRNAL_LOADED = 8,
FTH_FLAGS_COUNT = 16
};
// The Fault Tolerant Heap (FTH) is enabled on some customer machines and is
// affecting their performance. We need to know how many machines are
// affected in order to decide what to do.
// The main way that the FTH is enabled is by having a value set in
// HKLM\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers
// whose name is the full path to the executable and whose data is the
// string FaultTolerantHeap. Some documents suggest that this data may also
// be found in HKCU. There have also been cases observed where this registry
// key is set but the FTH is not enabled, so we also look for AcXtrnal.dll
// and AcLayers.dll which are used to implement the FTH on Windows 7 and 8
// respectively.
// Get the module path so that we can look for it in the registry.
wchar_t module_path[MAX_PATH];
GetModuleFileName(NULL, module_path, ARRAYSIZE(module_path));
// Force null-termination, necessary on Windows XP.
module_path[ARRAYSIZE(module_path)-1] = 0;
const wchar_t* const kRegPath = L"Software\\Microsoft\\Windows NT\\"
L"CurrentVersion\\AppCompatFlags\\Layers";
const wchar_t* const kFTHData = L"FaultTolerantHeap";
// We always want to read from the 64-bit version of the registry if present,
// since that is what the OS looks at, even for 32-bit processes.
const DWORD kRegFlags = KEY_READ | KEY_WOW64_64KEY;
base::win::RegKey FTH_HKLM_reg(HKEY_LOCAL_MACHINE, kRegPath, kRegFlags);
FTHFlags detected = FTHFlags();
base::string16 chrome_app_compat;
if (FTH_HKLM_reg.ReadValue(module_path, &chrome_app_compat) == 0) {
// This *usually* indicates that the fault tolerant heap is enabled.
if (wcsicmp(chrome_app_compat.c_str(), kFTHData) == 0)
detected = static_cast<FTHFlags>(detected | FTH_HKLM);
}
base::win::RegKey FTH_HKCU_reg(HKEY_CURRENT_USER, kRegPath, kRegFlags);
if (FTH_HKCU_reg.ReadValue(module_path, &chrome_app_compat) == 0) {
if (wcsicmp(chrome_app_compat.c_str(), kFTHData) == 0)
detected = static_cast<FTHFlags>(detected | FTH_HKCU);
}
// Look for the DLLs used to implement the FTH and other compat hacks.
if (GetModuleHandleW(L"AcLayers.dll") != NULL)
detected = static_cast<FTHFlags>(detected | FTH_ACLAYERS_LOADED);
if (GetModuleHandleW(L"AcXtrnal.dll") != NULL)
detected = static_cast<FTHFlags>(detected | FTH_ACXTRNAL_LOADED);
UMA_HISTOGRAM_ENUMERATION("FaultTolerantHeap", detected, FTH_FLAGS_COUNT);
}
} // namespace
void ShowCloseBrowserFirstMessageBox() {
int message_id = IDS_UNINSTALL_CLOSE_APP;
if (base::win::GetVersion() >= base::win::VERSION_WIN8 &&
(ShellIntegration::GetDefaultBrowser() == ShellIntegration::IS_DEFAULT)) {
message_id = IDS_UNINSTALL_CLOSE_APP_IMMERSIVE;
}
chrome::ShowMessageBox(NULL,
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
l10n_util::GetStringUTF16(message_id),
chrome::MESSAGE_BOX_TYPE_WARNING);
}
int DoUninstallTasks(bool chrome_still_running) {
// We want to show a warning to user (and exit) if Chrome is already running
// *before* we show the uninstall confirmation dialog box. But while the
// uninstall confirmation dialog is up, user might start Chrome, so we
// check once again after user acknowledges Uninstall dialog.
if (chrome_still_running) {
ShowCloseBrowserFirstMessageBox();
return chrome::RESULT_CODE_UNINSTALL_CHROME_ALIVE;
}
int result = chrome::ShowUninstallBrowserPrompt();
if (browser_util::IsBrowserAlreadyRunning()) {
ShowCloseBrowserFirstMessageBox();
return chrome::RESULT_CODE_UNINSTALL_CHROME_ALIVE;
}
if (result != chrome::RESULT_CODE_UNINSTALL_USER_CANCEL) {
// The following actions are just best effort.
// TODO(gab): Look into removing this code which is now redundant with the
// work done by setup.exe on uninstall.
VLOG(1) << "Executing uninstall actions";
base::FilePath chrome_exe;
if (PathService::Get(base::FILE_EXE, &chrome_exe)) {
ShellUtil::ShortcutLocation user_shortcut_locations[] = {
ShellUtil::SHORTCUT_LOCATION_DESKTOP,
ShellUtil::SHORTCUT_LOCATION_QUICK_LAUNCH,
ShellUtil::SHORTCUT_LOCATION_START_MENU_ROOT,
ShellUtil::SHORTCUT_LOCATION_START_MENU_CHROME_DIR_DEPRECATED,
ShellUtil::SHORTCUT_LOCATION_START_MENU_CHROME_APPS_DIR,
};
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
for (size_t i = 0; i < arraysize(user_shortcut_locations); ++i) {
if (!ShellUtil::RemoveShortcuts(user_shortcut_locations[i], dist,
ShellUtil::CURRENT_USER, chrome_exe)) {
VLOG(1) << "Failed to delete shortcut at location "
<< user_shortcut_locations[i];
}
}
} else {
NOTREACHED();
}
}
return result;
}
// ChromeBrowserMainPartsWin ---------------------------------------------------
ChromeBrowserMainPartsWin::ChromeBrowserMainPartsWin(
const content::MainFunctionParams& parameters)
: ChromeBrowserMainParts(parameters) {
if (base::win::IsMetroProcess()) {
typedef const wchar_t* (*GetMetroSwitches)(void);
GetMetroSwitches metro_switches_proc = reinterpret_cast<GetMetroSwitches>(
GetProcAddress(base::win::GetMetroModule(),
"GetMetroCommandLineSwitches"));
if (metro_switches_proc) {
base::string16 metro_switches = (*metro_switches_proc)();
if (!metro_switches.empty()) {
base::CommandLine extra_switches(base::CommandLine::NO_PROGRAM);
extra_switches.ParseFromString(metro_switches);
base::CommandLine::ForCurrentProcess()->AppendArguments(extra_switches,
false);
}
}
}
}
ChromeBrowserMainPartsWin::~ChromeBrowserMainPartsWin() {
}
void ChromeBrowserMainPartsWin::ToolkitInitialized() {
ChromeBrowserMainParts::ToolkitInitialized();
gfx::PlatformFontWin::adjust_font_callback = &AdjustUIFont;
gfx::PlatformFontWin::get_minimum_font_size_callback = &GetMinimumFontSize;
ui::CursorLoaderWin::SetCursorResourceModule(chrome::kBrowserResourcesDll);
}
void ChromeBrowserMainPartsWin::PreMainMessageLoopStart() {
// installer_util references strings that are normally compiled into
// setup.exe. In Chrome, these strings are in the locale files.
SetupInstallerUtilStrings();
ChromeBrowserMainParts::PreMainMessageLoopStart();
if (!parameters().ui_task) {
// Make sure that we know how to handle exceptions from the message loop.
InitializeWindowProcExceptions();
}
}
int ChromeBrowserMainPartsWin::PreCreateThreads() {
int rv = ChromeBrowserMainParts::PreCreateThreads();
// TODO(viettrungluu): why don't we run this earlier?
if (!parsed_command_line().HasSwitch(switches::kNoErrorDialogs) &&
base::win::GetVersion() < base::win::VERSION_XP) {
chrome::ShowMessageBox(NULL,
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
l10n_util::GetStringUTF16(IDS_UNSUPPORTED_OS_PRE_WIN_XP),
chrome::MESSAGE_BOX_TYPE_WARNING);
}
return rv;
}
void ChromeBrowserMainPartsWin::ShowMissingLocaleMessageBox() {
ui::MessageBox(NULL,
base::ASCIIToUTF16(chrome_browser::kMissingLocaleDataMessage),
base::ASCIIToUTF16(chrome_browser::kMissingLocaleDataTitle),
MB_OK | MB_ICONERROR | MB_TOPMOST);
}
void ChromeBrowserMainPartsWin::PostProfileInit() {
ChromeBrowserMainParts::PostProfileInit();
// DirectWrite support is mainly available Windows 7 and up.
if (gfx::win::ShouldUseDirectWrite()) {
base::FilePath path(
profile()->GetPath().AppendASCII(content::kFontCacheSharedSectionName));
// This function will create a read only section if cache file exists
// otherwise it will spawn utility process to build cache file, which will
// be used during next browser start/postprofileinit.
if (!content::LoadFontCache(path)) {
// We delay building of font cache until first startup page loads.
// During first renderer start there are lot of things happening
// simultaneously some of them are:
// - Renderer is going through all font files on the system to create
// a font collection.
// - Renderer loading up startup URL, accessing HTML/JS File cache,
// net activity etc.
// - Extension initialization.
// We delay building of cache mainly to avoid parallel font file
// loading along with Renderer. Some systems have significant number of
// font files which takes long time to process.
// Related information is at http://crbug.com/436195.
const int kBuildFontCacheDelaySec = 30;
content::BrowserThread::PostDelayedTask(
content::BrowserThread::IO,
FROM_HERE,
base::Bind(ExecuteFontCacheBuildTask, path),
base::TimeDelta::FromSeconds(kBuildFontCacheDelaySec));
}
}
}
void ChromeBrowserMainPartsWin::PostBrowserStart() {
ChromeBrowserMainParts::PostBrowserStart();
UMA_HISTOGRAM_BOOLEAN("Windows.Tablet", base::win::IsTabletDevice());
// Set up a task to verify installed modules in the current process.
content::BrowserThread::PostAfterStartupTask(
FROM_HERE, content::BrowserThread::GetBlockingPool(),
base::Bind(&VerifyInstallation));
InitializeChromeElf();
#if defined(KASKO)
content::BrowserThread::PostDelayedTask(
content::BrowserThread::FILE, FROM_HERE,
base::Bind(&StartFailedKaskoCrashReportWatcher,
base::Unretained(&failed_kasko_crash_report_watcher_)),
base::TimeDelta::FromMinutes(5));
#endif
#if defined(GOOGLE_CHROME_BUILD)
did_run_updater_.reset(new DidRunUpdater);
#endif
// Record UMA data about whether the fault-tolerant heap is enabled.
// Use a delayed task to minimize the impact on startup time.
content::BrowserThread::PostDelayedTask(
content::BrowserThread::UI,
FROM_HERE,
base::Bind(&DetectFaultTolerantHeap),
base::TimeDelta::FromMinutes(1));
}
// static
void ChromeBrowserMainPartsWin::PrepareRestartOnCrashEnviroment(
const base::CommandLine& parsed_command_line) {
// Clear this var so child processes don't show the dialog by default.
scoped_ptr<base::Environment> env(base::Environment::Create());
env->UnSetVar(env_vars::kShowRestart);
// For non-interactive tests we don't restart on crash.
if (env->HasVar(env_vars::kHeadless))
return;
// If the known command-line test options are used we don't create the
// environment block which means we don't get the restart dialog.
if (parsed_command_line.HasSwitch(switches::kBrowserCrashTest) ||
parsed_command_line.HasSwitch(switches::kNoErrorDialogs))
return;
// The encoding we use for the info is "title|context|direction" where
// direction is either env_vars::kRtlLocale or env_vars::kLtrLocale depending
// on the current locale.
base::string16 dlg_strings(
l10n_util::GetStringUTF16(IDS_CRASH_RECOVERY_TITLE));
dlg_strings.push_back('|');
base::string16 adjusted_string(
l10n_util::GetStringUTF16(IDS_CRASH_RECOVERY_CONTENT));
base::i18n::AdjustStringForLocaleDirection(&adjusted_string);
dlg_strings.append(adjusted_string);
dlg_strings.push_back('|');
dlg_strings.append(base::ASCIIToUTF16(
base::i18n::IsRTL() ? env_vars::kRtlLocale : env_vars::kLtrLocale));
env->SetVar(env_vars::kRestartInfo, base::UTF16ToUTF8(dlg_strings));
}
// static
void ChromeBrowserMainPartsWin::RegisterApplicationRestart(
const base::CommandLine& parsed_command_line) {
DCHECK(base::win::GetVersion() >= base::win::VERSION_VISTA);
base::ScopedNativeLibrary library(base::FilePath(L"kernel32.dll"));
// Get the function pointer for RegisterApplicationRestart.
RegisterApplicationRestartProc register_application_restart =
reinterpret_cast<RegisterApplicationRestartProc>(
library.GetFunctionPointer("RegisterApplicationRestart"));
if (!register_application_restart) {
LOG(WARNING) << "Cannot find RegisterApplicationRestart in kernel32.dll";
return;
}
// The Windows Restart Manager expects a string of command line flags only,
// without the program.
base::CommandLine command_line(base::CommandLine::NO_PROGRAM);
command_line.AppendArguments(parsed_command_line, false);
if (!command_line.HasSwitch(switches::kRestoreLastSession))
command_line.AppendSwitch(switches::kRestoreLastSession);
// Restart Chrome if the computer is restarted as the result of an update.
// This could be extended to handle crashes, hangs, and patches.
HRESULT hr = register_application_restart(
command_line.GetCommandLineString().c_str(),
RESTART_NO_CRASH | RESTART_NO_HANG | RESTART_NO_PATCH);
if (FAILED(hr)) {
if (hr == E_INVALIDARG) {
LOG(WARNING) << "Command line too long for RegisterApplicationRestart";
} else {
NOTREACHED() << "RegisterApplicationRestart failed. hr: " << hr <<
", command_line: " << command_line.GetCommandLineString();
}
}
}
// static
int ChromeBrowserMainPartsWin::HandleIconsCommands(
const base::CommandLine& parsed_command_line) {
if (parsed_command_line.HasSwitch(switches::kHideIcons)) {
base::string16 cp_applet;
base::win::Version version = base::win::GetVersion();
if (version >= base::win::VERSION_VISTA) {
cp_applet.assign(L"Programs and Features"); // Windows Vista and later.
} else if (version >= base::win::VERSION_XP) {
cp_applet.assign(L"Add/Remove Programs"); // Windows XP.
} else {
return chrome::RESULT_CODE_UNSUPPORTED_PARAM; // Not supported
}
const base::string16 msg =
l10n_util::GetStringFUTF16(IDS_HIDE_ICONS_NOT_SUPPORTED, cp_applet);
const base::string16 caption = l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
const UINT flags = MB_OKCANCEL | MB_ICONWARNING | MB_TOPMOST;
if (IDOK == ui::MessageBox(NULL, msg, caption, flags))
ShellExecute(NULL, NULL, L"appwiz.cpl", NULL, NULL, SW_SHOWNORMAL);
// Exit as we are not launching the browser.
return content::RESULT_CODE_NORMAL_EXIT;
}
// We don't hide icons so we shouldn't do anything special to show them
return chrome::RESULT_CODE_UNSUPPORTED_PARAM;
}
// static
bool ChromeBrowserMainPartsWin::CheckMachineLevelInstall() {
// TODO(tommi): Check if using the default distribution is always the right
// thing to do.
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
Version version;
InstallUtil::GetChromeVersion(dist, true, &version);
if (version.IsValid()) {
base::FilePath exe_path;
PathService::Get(base::DIR_EXE, &exe_path);
std::wstring exe = exe_path.value();
base::FilePath user_exe_path(installer::GetChromeInstallPath(false, dist));
if (base::FilePath::CompareEqualIgnoreCase(exe, user_exe_path.value())) {
base::CommandLine uninstall_cmd(
InstallUtil::GetChromeUninstallCmd(false, dist->GetType()));
if (!uninstall_cmd.GetProgram().empty()) {
uninstall_cmd.AppendSwitch(installer::switches::kSelfDestruct);
uninstall_cmd.AppendSwitch(installer::switches::kForceUninstall);
uninstall_cmd.AppendSwitch(
installer::switches::kDoNotRemoveSharedItems);
// Trigger Active Setup for the system-level Chrome to make sure
// per-user shortcuts to the system-level Chrome are created. Skip this
// if the system-level Chrome will undergo first run anyway, as Active
// Setup is triggered on system-level Chrome's first run.
// TODO(gab): Instead of having callers of Active Setup think about
// other callers, have Active Setup itself register when it ran and
// no-op otherwise (http://crbug.com/346843).
if (!first_run::IsChromeFirstRun())
uninstall_cmd.AppendSwitch(installer::switches::kTriggerActiveSetup);
const base::FilePath setup_exe(uninstall_cmd.GetProgram());
const base::string16 params(uninstall_cmd.GetArgumentsString());
SHELLEXECUTEINFO sei = { sizeof(sei) };
sei.fMask = SEE_MASK_NOASYNC;
sei.nShow = SW_SHOWNORMAL;
sei.lpFile = setup_exe.value().c_str();
sei.lpParameters = params.c_str();
// On Windows 8 SEE_MASK_FLAG_LOG_USAGE is necessary to guarantee we
// flip to the Desktop when launching.
if (base::win::IsMetroProcess())
sei.fMask |= SEE_MASK_FLAG_LOG_USAGE;
if (!::ShellExecuteEx(&sei))
DPCHECK(false);
}
return true;
}
}
return false;
}
base::string16 TranslationDelegate::GetLocalizedString(
int installer_string_id) {
int resource_id = 0;
switch (installer_string_id) {
// HANDLE_STRING is used by the DO_INSTALLER_STRING_MAPPING macro which is in
// the generated header installer_util_strings.h.
#define HANDLE_STRING(base_id, chrome_id) \
case base_id: \
resource_id = chrome_id; \
break;
DO_INSTALLER_STRING_MAPPING
#undef HANDLE_STRING
default:
NOTREACHED();
}
if (resource_id)
return l10n_util::GetStringUTF16(resource_id);
return base::string16();
}
// static
void ChromeBrowserMainPartsWin::SetupInstallerUtilStrings() {
CR_DEFINE_STATIC_LOCAL(TranslationDelegate, delegate, ());
installer::SetTranslationDelegate(&delegate);
}