Daniel Erat | b8cf949 | 2015-07-06 13:18:13 -0600 | [diff] [blame^] | 1 | // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "base/file_version_info_win.h" |
| 6 | |
| 7 | #include <windows.h> |
| 8 | |
| 9 | #include "base/file_version_info.h" |
| 10 | #include "base/files/file_path.h" |
| 11 | #include "base/logging.h" |
| 12 | #include "base/threading/thread_restrictions.h" |
| 13 | |
| 14 | using base::FilePath; |
| 15 | |
| 16 | FileVersionInfoWin::FileVersionInfoWin(void* data, |
| 17 | WORD language, |
| 18 | WORD code_page) |
| 19 | : language_(language), code_page_(code_page) { |
| 20 | base::ThreadRestrictions::AssertIOAllowed(); |
| 21 | data_.reset((char*) data); |
| 22 | fixed_file_info_ = NULL; |
| 23 | UINT size; |
| 24 | ::VerQueryValue(data_.get(), L"\\", (LPVOID*)&fixed_file_info_, &size); |
| 25 | } |
| 26 | |
| 27 | FileVersionInfoWin::~FileVersionInfoWin() { |
| 28 | DCHECK(data_.get()); |
| 29 | } |
| 30 | |
| 31 | typedef struct { |
| 32 | WORD language; |
| 33 | WORD code_page; |
| 34 | } LanguageAndCodePage; |
| 35 | |
| 36 | // static |
| 37 | FileVersionInfo* FileVersionInfo::CreateFileVersionInfoForModule( |
| 38 | HMODULE module) { |
| 39 | // Note that the use of MAX_PATH is basically in line with what we do for |
| 40 | // all registered paths (PathProviderWin). |
| 41 | wchar_t system_buffer[MAX_PATH]; |
| 42 | system_buffer[0] = 0; |
| 43 | if (!GetModuleFileName(module, system_buffer, MAX_PATH)) |
| 44 | return NULL; |
| 45 | |
| 46 | FilePath app_path(system_buffer); |
| 47 | return CreateFileVersionInfo(app_path); |
| 48 | } |
| 49 | |
| 50 | // static |
| 51 | FileVersionInfo* FileVersionInfo::CreateFileVersionInfo( |
| 52 | const FilePath& file_path) { |
| 53 | base::ThreadRestrictions::AssertIOAllowed(); |
| 54 | |
| 55 | DWORD dummy; |
| 56 | const wchar_t* path = file_path.value().c_str(); |
| 57 | DWORD length = ::GetFileVersionInfoSize(path, &dummy); |
| 58 | if (length == 0) |
| 59 | return NULL; |
| 60 | |
| 61 | void* data = calloc(length, 1); |
| 62 | if (!data) |
| 63 | return NULL; |
| 64 | |
| 65 | if (!::GetFileVersionInfo(path, dummy, length, data)) { |
| 66 | free(data); |
| 67 | return NULL; |
| 68 | } |
| 69 | |
| 70 | LanguageAndCodePage* translate = NULL; |
| 71 | uint32 page_count; |
| 72 | BOOL query_result = VerQueryValue(data, L"\\VarFileInfo\\Translation", |
| 73 | (void**) &translate, &page_count); |
| 74 | |
| 75 | if (query_result && translate) { |
| 76 | return new FileVersionInfoWin(data, translate->language, |
| 77 | translate->code_page); |
| 78 | |
| 79 | } else { |
| 80 | free(data); |
| 81 | return NULL; |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | base::string16 FileVersionInfoWin::company_name() { |
| 86 | return GetStringValue(L"CompanyName"); |
| 87 | } |
| 88 | |
| 89 | base::string16 FileVersionInfoWin::company_short_name() { |
| 90 | return GetStringValue(L"CompanyShortName"); |
| 91 | } |
| 92 | |
| 93 | base::string16 FileVersionInfoWin::internal_name() { |
| 94 | return GetStringValue(L"InternalName"); |
| 95 | } |
| 96 | |
| 97 | base::string16 FileVersionInfoWin::product_name() { |
| 98 | return GetStringValue(L"ProductName"); |
| 99 | } |
| 100 | |
| 101 | base::string16 FileVersionInfoWin::product_short_name() { |
| 102 | return GetStringValue(L"ProductShortName"); |
| 103 | } |
| 104 | |
| 105 | base::string16 FileVersionInfoWin::comments() { |
| 106 | return GetStringValue(L"Comments"); |
| 107 | } |
| 108 | |
| 109 | base::string16 FileVersionInfoWin::legal_copyright() { |
| 110 | return GetStringValue(L"LegalCopyright"); |
| 111 | } |
| 112 | |
| 113 | base::string16 FileVersionInfoWin::product_version() { |
| 114 | return GetStringValue(L"ProductVersion"); |
| 115 | } |
| 116 | |
| 117 | base::string16 FileVersionInfoWin::file_description() { |
| 118 | return GetStringValue(L"FileDescription"); |
| 119 | } |
| 120 | |
| 121 | base::string16 FileVersionInfoWin::legal_trademarks() { |
| 122 | return GetStringValue(L"LegalTrademarks"); |
| 123 | } |
| 124 | |
| 125 | base::string16 FileVersionInfoWin::private_build() { |
| 126 | return GetStringValue(L"PrivateBuild"); |
| 127 | } |
| 128 | |
| 129 | base::string16 FileVersionInfoWin::file_version() { |
| 130 | return GetStringValue(L"FileVersion"); |
| 131 | } |
| 132 | |
| 133 | base::string16 FileVersionInfoWin::original_filename() { |
| 134 | return GetStringValue(L"OriginalFilename"); |
| 135 | } |
| 136 | |
| 137 | base::string16 FileVersionInfoWin::special_build() { |
| 138 | return GetStringValue(L"SpecialBuild"); |
| 139 | } |
| 140 | |
| 141 | base::string16 FileVersionInfoWin::last_change() { |
| 142 | return GetStringValue(L"LastChange"); |
| 143 | } |
| 144 | |
| 145 | bool FileVersionInfoWin::is_official_build() { |
| 146 | return (GetStringValue(L"Official Build").compare(L"1") == 0); |
| 147 | } |
| 148 | |
| 149 | bool FileVersionInfoWin::GetValue(const wchar_t* name, |
| 150 | std::wstring* value_str) { |
| 151 | WORD lang_codepage[8]; |
| 152 | int i = 0; |
| 153 | // Use the language and codepage from the DLL. |
| 154 | lang_codepage[i++] = language_; |
| 155 | lang_codepage[i++] = code_page_; |
| 156 | // Use the default language and codepage from the DLL. |
| 157 | lang_codepage[i++] = ::GetUserDefaultLangID(); |
| 158 | lang_codepage[i++] = code_page_; |
| 159 | // Use the language from the DLL and Latin codepage (most common). |
| 160 | lang_codepage[i++] = language_; |
| 161 | lang_codepage[i++] = 1252; |
| 162 | // Use the default language and Latin codepage (most common). |
| 163 | lang_codepage[i++] = ::GetUserDefaultLangID(); |
| 164 | lang_codepage[i++] = 1252; |
| 165 | |
| 166 | i = 0; |
| 167 | while (i < arraysize(lang_codepage)) { |
| 168 | wchar_t sub_block[MAX_PATH]; |
| 169 | WORD language = lang_codepage[i++]; |
| 170 | WORD code_page = lang_codepage[i++]; |
| 171 | _snwprintf_s(sub_block, MAX_PATH, MAX_PATH, |
| 172 | L"\\StringFileInfo\\%04x%04x\\%ls", language, code_page, name); |
| 173 | LPVOID value = NULL; |
| 174 | uint32 size; |
| 175 | BOOL r = ::VerQueryValue(data_.get(), sub_block, &value, &size); |
| 176 | if (r && value) { |
| 177 | value_str->assign(static_cast<wchar_t*>(value)); |
| 178 | return true; |
| 179 | } |
| 180 | } |
| 181 | return false; |
| 182 | } |
| 183 | |
| 184 | std::wstring FileVersionInfoWin::GetStringValue(const wchar_t* name) { |
| 185 | std::wstring str; |
| 186 | if (GetValue(name, &str)) |
| 187 | return str; |
| 188 | else |
| 189 | return L""; |
| 190 | } |