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// Copyright (c) 2006-2008 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 <time.h>
#include "base/file_util.h"
#include "base/scoped_ptr.h"
#include "base/string_util.h"
#include "chrome/installer/setup/setup.h"
#include "chrome/installer/setup/setup_constants.h"
#include "chrome/installer/util/browser_distribution.h"
#include "chrome/installer/util/copy_tree_work_item.h"
#include "chrome/installer/util/create_dir_work_item.h"
#include "chrome/installer/util/create_reg_key_work_item.h"
#include "chrome/installer/util/delete_tree_work_item.h"
#include "chrome/installer/util/install_util.h"
#include "chrome/installer/util/l10n_string_util.h"
#include "chrome/installer/util/logging_installer.h"
#include "chrome/installer/util/google_update_constants.h"
#include "chrome/installer/util/set_reg_value_work_item.h"
#include "chrome/installer/util/shell_util.h"
#include "chrome/installer/util/util_constants.h"
#include "chrome/installer/util/version.h"
#include "chrome/installer/util/work_item_list.h"
#include "installer_util_strings.h"
namespace {
std::wstring AppendPath(const std::wstring parent_path,
const std::wstring path) {
std::wstring new_path(parent_path);
file_util::AppendToPath(&new_path, path);
return new_path;
}
// This method adds work items to create (or update) Chrome uninstall entry in
// Control Panel->Add/Remove Programs list.
void AddUninstallShortcutWorkItems(HKEY reg_root,
const std::wstring& exe_path,
const std::wstring& install_path,
const std::wstring& product_name,
const std::wstring& new_version,
WorkItemList* install_list) {
std::wstring uninstall_cmd(L"\"");
uninstall_cmd.append(installer::GetInstallerPathUnderChrome(install_path,
new_version));
file_util::AppendToPath(&uninstall_cmd,
file_util::GetFilenameFromPath(exe_path));
uninstall_cmd.append(L"\" --");
uninstall_cmd.append(installer_util::switches::kUninstall);
// Create DisplayName, UninstallString and InstallLocation keys
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
std::wstring uninstall_reg = dist->GetUninstallRegPath();
install_list->AddCreateRegKeyWorkItem(reg_root, uninstall_reg);
install_list->AddSetRegValueWorkItem(reg_root, uninstall_reg,
installer_util::kUninstallDisplayNameField, product_name, true);
install_list->AddSetRegValueWorkItem(reg_root,
uninstall_reg,
installer_util::kUninstallStringField,
uninstall_cmd, true);
install_list->AddSetRegValueWorkItem(reg_root,
uninstall_reg,
L"InstallLocation", install_path, true);
// DisplayIcon, NoModify and NoRepair
std::wstring chrome_icon = AppendPath(install_path,
installer_util::kChromeExe);
ShellUtil::GetChromeIcon(chrome_icon);
install_list->AddSetRegValueWorkItem(reg_root, uninstall_reg,
L"DisplayIcon", chrome_icon, true);
install_list->AddSetRegValueWorkItem(reg_root, uninstall_reg,
L"NoModify", 1, true);
install_list->AddSetRegValueWorkItem(reg_root, uninstall_reg,
L"NoRepair", 1, true);
install_list->AddSetRegValueWorkItem(reg_root, uninstall_reg,
L"Publisher",
dist->GetPublisherName(), true);
install_list->AddSetRegValueWorkItem(reg_root, uninstall_reg,
L"Version", new_version.c_str(), true);
install_list->AddSetRegValueWorkItem(reg_root, uninstall_reg,
L"DisplayVersion",
new_version.c_str(), true);
time_t rawtime = time(NULL);
struct tm timeinfo = {0};
localtime_s(&timeinfo, &rawtime);
wchar_t buffer[9];
if (wcsftime(buffer, 9, L"%Y%m%d", &timeinfo) == 8) {
install_list->AddSetRegValueWorkItem(reg_root, uninstall_reg,
L"InstallDate",
buffer, false);
}
}
void AddInstallerCopyTasks(const std::wstring& exe_path,
const std::wstring& archive_path,
const std::wstring& temp_path,
const std::wstring& install_path,
const std::wstring& new_version,
WorkItemList* install_list) {
std::wstring installer_dir(installer::GetInstallerPathUnderChrome(
install_path, new_version));
install_list->AddCreateDirWorkItem(installer_dir);
std::wstring exe_dst(installer_dir);
std::wstring archive_dst(installer_dir);
file_util::AppendToPath(&exe_dst,
file_util::GetFilenameFromPath(exe_path));
file_util::AppendToPath(&archive_dst,
file_util::GetFilenameFromPath(archive_path));
install_list->AddCopyTreeWorkItem(exe_path, exe_dst, temp_path,
WorkItem::ALWAYS);
install_list->AddCopyTreeWorkItem(archive_path, archive_dst, temp_path,
WorkItem::ALWAYS);
}
// This method tells if we are running on 64 bit platform so that we can copy
// one extra exe. If the API call to determine 64 bit fails, we play it safe
// and return true anyway so that the executable can be copied.
bool Is64bit() {
typedef BOOL (WINAPI *WOW_FUNC)(HANDLE, PBOOL);
BOOL is64 = FALSE;
HANDLE handle = GetCurrentProcess();
HMODULE module = GetModuleHandle(L"kernel32.dll");
WOW_FUNC p = reinterpret_cast<WOW_FUNC>(GetProcAddress(module,
"IsWow64Process"));
if ((p != NULL) && (!(p)(handle, &is64) || (is64 != FALSE))) {
return true;
}
return false;
}
}
bool installer::InstallNewVersion(const std::wstring& exe_path,
const std::wstring& archive_path,
const std::wstring& src_path,
const std::wstring& install_path,
const std::wstring& temp_dir,
const HKEY reg_root,
const Version& new_version) {
if (reg_root != HKEY_LOCAL_MACHINE && reg_root != HKEY_CURRENT_USER)
return false;
scoped_ptr<WorkItemList> install_list(WorkItem::CreateWorkItemList());
// A temp directory that work items need and the actual install directory.
install_list->AddCreateDirWorkItem(temp_dir);
install_list->AddCreateDirWorkItem(install_path);
// Copy the version folder
install_list->AddCopyTreeWorkItem(
AppendPath(src_path, new_version.GetString()),
AppendPath(install_path, new_version.GetString()),
temp_dir, WorkItem::ALWAYS); // Always overwrite.
// Delete any new_chrome.exe if present (we will end up create a new one
// if required) and then copy chrome.exe
install_list->AddDeleteTreeWorkItem(
AppendPath(install_path, installer::kChromeNewExe), std::wstring());
install_list->AddCopyTreeWorkItem(
AppendPath(src_path, installer_util::kChromeExe),
AppendPath(install_path, installer_util::kChromeExe),
temp_dir, WorkItem::RENAME_IF_IN_USE,
AppendPath(install_path, installer::kChromeNewExe));
// Extra executable for 64 bit systems.
if (Is64bit()) {
install_list->AddCopyTreeWorkItem(
AppendPath(src_path, installer::kWowHelperExe),
AppendPath(install_path, installer::kWowHelperExe),
temp_dir, WorkItem::ALWAYS);
}
// Copy the default Dictionaries only if the folder doesnt exist already
install_list->AddCopyTreeWorkItem(
AppendPath(src_path, installer::kDictionaries),
AppendPath(install_path, installer::kDictionaries),
temp_dir, WorkItem::IF_NOT_PRESENT);
// Copy installer in install directory and
// add shortcut in Control Panel->Add/Remove Programs.
AddInstallerCopyTasks(exe_path, archive_path, temp_dir, install_path,
new_version.GetString(), install_list.get());
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
std::wstring product_name = dist->GetApplicationName();
AddUninstallShortcutWorkItems(reg_root, exe_path, install_path,
product_name, new_version.GetString(), install_list.get());
// Delete any old_chrome.exe if present.
install_list->AddDeleteTreeWorkItem(
AppendPath(install_path, installer::kChromeOldExe), std::wstring());
// Create Version key (if not already present) and set the new Chrome
// version as last step.
std::wstring version_key = dist->GetVersionKey();
install_list->AddCreateRegKeyWorkItem(reg_root, version_key);
install_list->AddSetRegValueWorkItem(reg_root, version_key,
google_update::kRegNameField,
product_name,
true); // overwrite name also
install_list->AddSetRegValueWorkItem(reg_root, version_key,
google_update::kRegVersionField,
new_version.GetString(),
true); // overwrite version
// Perform install operations.
if (!install_list->Do()) {
LOG(ERROR) << "Install failed, rolling back... ";
install_list->Rollback();
LOG(ERROR) << "Rollback complete. ";
return false;
}
return true;
}
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