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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/file_version_info_win.h"
#include <windows.h>
#include <stddef.h>
#include <utility>
#include "base/check.h"
#include "base/files/file_path.h"
#include "base/memory/ptr_util.h"
#include "base/strings/string_util.h"
#include "base/threading/scoped_blocking_call.h"
#include "base/win/resource_util.h"
namespace {
struct LanguageAndCodePage {
WORD language;
WORD code_page;
};
// Returns the \VarFileInfo\Translation value extracted from the
// VS_VERSION_INFO resource in |data|.
LanguageAndCodePage* GetTranslate(const void* data) {
static constexpr wchar_t kTranslation[] = L"\\VarFileInfo\\Translation";
LPVOID translate = nullptr;
UINT dummy_size;
if (::VerQueryValue(data, kTranslation, &translate, &dummy_size))
return static_cast<LanguageAndCodePage*>(translate);
return nullptr;
}
const VS_FIXEDFILEINFO& GetVsFixedFileInfo(const void* data) {
static constexpr wchar_t kRoot[] = L"\\";
LPVOID fixed_file_info = nullptr;
UINT dummy_size;
CHECK(::VerQueryValue(data, kRoot, &fixed_file_info, &dummy_size));
return *static_cast<VS_FIXEDFILEINFO*>(fixed_file_info);
}
} // namespace
FileVersionInfoWin::~FileVersionInfoWin() = default;
// static
std::unique_ptr<FileVersionInfo>
FileVersionInfo::CreateFileVersionInfoForModule(HMODULE module) {
void* data;
size_t version_info_length;
const bool has_version_resource = base::win::GetResourceFromModule(
module, VS_VERSION_INFO, RT_VERSION, &data, &version_info_length);
if (!has_version_resource)
return nullptr;
const LanguageAndCodePage* translate = GetTranslate(data);
if (!translate)
return nullptr;
return base::WrapUnique(
new FileVersionInfoWin(data, translate->language, translate->code_page));
}
// static
std::unique_ptr<FileVersionInfo> FileVersionInfo::CreateFileVersionInfo(
const base::FilePath& file_path) {
return FileVersionInfoWin::CreateFileVersionInfoWin(file_path);
}
// static
std::unique_ptr<FileVersionInfoWin>
FileVersionInfoWin::CreateFileVersionInfoWin(const base::FilePath& file_path) {
base::ScopedBlockingCall scoped_blocking_call(FROM_HERE,
base::BlockingType::MAY_BLOCK);
DWORD dummy;
const wchar_t* path = file_path.value().c_str();
const DWORD length = ::GetFileVersionInfoSize(path, &dummy);
if (length == 0)
return nullptr;
std::vector<uint8_t> data(length, 0);
if (!::GetFileVersionInfo(path, dummy, length, data.data()))
return nullptr;
const LanguageAndCodePage* translate = GetTranslate(data.data());
if (!translate)
return nullptr;
return base::WrapUnique(new FileVersionInfoWin(
std::move(data), translate->language, translate->code_page));
}
std::u16string FileVersionInfoWin::company_name() {
return GetStringValue(u"CompanyName");
}
std::u16string FileVersionInfoWin::company_short_name() {
return GetStringValue(u"CompanyShortName");
}
std::u16string FileVersionInfoWin::internal_name() {
return GetStringValue(u"InternalName");
}
std::u16string FileVersionInfoWin::product_name() {
return GetStringValue(u"ProductName");
}
std::u16string FileVersionInfoWin::product_short_name() {
return GetStringValue(u"ProductShortName");
}
std::u16string FileVersionInfoWin::product_version() {
return GetStringValue(u"ProductVersion");
}
std::u16string FileVersionInfoWin::file_description() {
return GetStringValue(u"FileDescription");
}
std::u16string FileVersionInfoWin::file_version() {
return GetStringValue(u"FileVersion");
}
std::u16string FileVersionInfoWin::original_filename() {
return GetStringValue(u"OriginalFilename");
}
std::u16string FileVersionInfoWin::special_build() {
return GetStringValue(u"SpecialBuild");
}
bool FileVersionInfoWin::GetValue(const char16_t* name,
std::u16string* value) const {
const struct LanguageAndCodePage lang_codepages[] = {
// Use the language and codepage from the DLL.
{language_, code_page_},
// Use the default language and codepage from the DLL.
{::GetUserDefaultLangID(), code_page_},
// Use the language from the DLL and Latin codepage (most common).
{language_, 1252},
// Use the default language and Latin codepage (most common).
{::GetUserDefaultLangID(), 1252},
};
for (const auto& lang_codepage : lang_codepages) {
wchar_t sub_block[MAX_PATH];
_snwprintf_s(sub_block, MAX_PATH, MAX_PATH,
L"\\StringFileInfo\\%04x%04x\\%ls", lang_codepage.language,
lang_codepage.code_page, base::as_wcstr(name));
LPVOID value_ptr = nullptr;
uint32_t size;
BOOL r = ::VerQueryValue(data_, sub_block, &value_ptr, &size);
if (r && value_ptr && size) {
value->assign(static_cast<char16_t*>(value_ptr), size - 1);
return true;
}
}
return false;
}
std::u16string FileVersionInfoWin::GetStringValue(const char16_t* name) const {
std::u16string str;
GetValue(name, &str);
return str;
}
base::Version FileVersionInfoWin::GetFileVersion() const {
return base::Version({HIWORD(fixed_file_info_->dwFileVersionMS),
LOWORD(fixed_file_info_->dwFileVersionMS),
HIWORD(fixed_file_info_->dwFileVersionLS),
LOWORD(fixed_file_info_->dwFileVersionLS)});
}
FileVersionInfoWin::FileVersionInfoWin(std::vector<uint8_t>&& data,
WORD language,
WORD code_page)
: owned_data_(std::move(data)),
data_(owned_data_.data()),
language_(language),
code_page_(code_page),
fixed_file_info_(GetVsFixedFileInfo(data_)) {
DCHECK(!owned_data_.empty());
}
FileVersionInfoWin::FileVersionInfoWin(void* data,
WORD language,
WORD code_page)
: data_(data),
language_(language),
code_page_(code_page),
fixed_file_info_(GetVsFixedFileInfo(data)) {
DCHECK(data_);
}
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