setup_native/source/win32/customactions/shellextensions/migrateinstallpath.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "shlxtmsi.hxx"
  21 #include <algorithm>
  22 #include <sstream>
  23 #include <systools/win32/uwinapi.h>
  24
  25 extern "C" __declspec(dllexport) UINT __stdcall MigrateInstallPath(MSIHANDLE handle)
  26 {
  27     std::wstring sInstDir = GetMsiPropertyW(handle, L"INSTALLLOCATION");
  28     if (!sInstDir.empty())
  29         return ERROR_SUCCESS; // Don't overwrite explicitly set value
  30
  31     auto RegValue = [](HKEY hRoot, const WCHAR* sKey, const WCHAR* sVal) {
  32         std::wstring sResult;
  33         WCHAR buf[32767]; // max longpath
  34         DWORD bufsize = sizeof(buf); // yes, it is the number of bytes
  35         if (RegGetValueW(hRoot, sKey, sVal, RRF_RT_REG_SZ, nullptr, buf, &bufsize) == ERROR_SUCCESS)
  36             sResult = buf; // RegGetValueW null-terminates strings
  37
  38         return sResult;
  39     };
  40
  41     const std::wstring sManufacturer = GetMsiPropertyW( handle, L"Manufacturer" );
  42     const std::wstring sDefinedName = GetMsiPropertyW( handle, L"DEFINEDPRODUCT" );
  43     const std::wstring sUpdateVersion = GetMsiPropertyW( handle, L"DEFINEDVERSION" );
  44     const std::wstring sUpgradeCode = GetMsiPropertyW( handle, L"UpgradeCode" );
  45     const std::wstring sBrandPackageVersion = GetMsiPropertyW(handle, L"BRANDPACKAGEVERSION");
  46
  47     std::wstring   sKey = L"Software\\" + sManufacturer + L"\\" + sDefinedName +
  48                                         L"\\" + sUpdateVersion + L"\\" + sUpgradeCode;
  49
  50     sInstDir = RegValue(HKEY_CURRENT_USER, sKey.c_str(), L"INSTALLLOCATION");
  51     if (sInstDir.empty())
  52         sInstDir = RegValue(HKEY_LOCAL_MACHINE, sKey.c_str(), L"INSTALLLOCATION");
  53     // See #i93032# for layers description
  54     if (sInstDir.empty())
  55     {
  56         sKey = L"Software\\LibreOffice\\Layers\\" + sDefinedName + L"\\" + sBrandPackageVersion;
  57         sInstDir = RegValue(HKEY_CURRENT_USER, sKey.c_str(), L"INSTALLLOCATION");
  58     }
  59     if (sInstDir.empty())
  60     {
  61         sKey = L"Software\\LibreOffice\\Layers_\\" + sDefinedName + L"\\" + sBrandPackageVersion;
  62         sInstDir = RegValue(HKEY_CURRENT_USER, sKey.c_str(), L"INSTALLLOCATION");
  63     }
  64     if (sInstDir.empty())
  65     {
  66         sKey = L"Software\\LibreOffice\\Layers\\" + sDefinedName + L"\\" + sBrandPackageVersion;
  67         sInstDir = RegValue(HKEY_LOCAL_MACHINE, sKey.c_str(), L"INSTALLLOCATION");
  68     }
  69     if (sInstDir.empty())
  70     {
  71         sKey = L"Software\\LibreOffice\\Layers_\\" + sDefinedName + L"\\" + sBrandPackageVersion;
  72         sInstDir = RegValue(HKEY_LOCAL_MACHINE, sKey.c_str(), L"INSTALLLOCATION");
  73     }
  74     if (sInstDir.empty())
  75     {
  76         std::wistringstream sOlds{ GetMsiPropertyW(handle, L"OLDPRODUCTS") };
  77         std::wstring sOld;
  78         while (std::getline(sOlds, sOld, L';'))
  79         {
  80             if (sOld.empty())
  81                 continue;
  82             sKey = L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\" + sOld;
  83             sInstDir = RegValue(HKEY_LOCAL_MACHINE, sKey.c_str(), L"InstallLocation");
  84             if (!sInstDir.empty())
  85                 break;
  86         }
  87     }
  88
  89     if (!sInstDir.empty())
  90         MsiSetPropertyW(handle, L"INSTALLLOCATION", sInstDir.c_str());
  91
  92     return ERROR_SUCCESS;
  93
  94 }
  95
  96 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */