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/*
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2014 ownCloud GmbH
* SPDX-FileCopyrightText: 2000-2013 Liferay, Inc. All rights reserved
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "NCOverlayRegistrationHandler.h"
#include <windows.h>
#include <objbase.h>
#include <iostream>
#include <fstream>
#define REGISTRY_OVERLAY_KEY LR"(SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers)"
#define REGISTRY_CLSID L"CLSID"
#define REGISTRY_IN_PROCESS L"InprocServer32"
#define REGISTRY_THREADING L"ThreadingModel"
#define REGISTRY_APARTMENT L"Apartment"
#define REGISTRY_VERSION L"Version"
#define REGISTRY_VERSION_NUMBER L"1.0"
using namespace std;
HRESULT NCOverlayRegistrationHandler::MakeRegistryEntries(const CLSID& clsid, PCWSTR friendlyName)
{
HRESULT hResult = 0;
HKEY shellOverlayKey = nullptr;
// the key may not exist yet
hResult = HRESULT_FROM_WIN32(RegCreateKeyEx(HKEY_LOCAL_MACHINE, REGISTRY_OVERLAY_KEY, 0, nullptr, REG_OPTION_NON_VOLATILE, KEY_WRITE, nullptr, &shellOverlayKey, nullptr));
if (!SUCCEEDED(hResult)) {
hResult = RegCreateKey(HKEY_LOCAL_MACHINE, REGISTRY_OVERLAY_KEY, &shellOverlayKey);
if(!SUCCEEDED(hResult)) {
return hResult;
}
}
HKEY syncExOverlayKey = nullptr;
hResult = HRESULT_FROM_WIN32(RegCreateKeyEx(shellOverlayKey, friendlyName, 0, nullptr, REG_OPTION_NON_VOLATILE, KEY_WRITE, nullptr, &syncExOverlayKey, nullptr));
if (!SUCCEEDED(hResult)) {
return hResult;
}
wchar_t stringCLSID[MAX_PATH];
StringFromGUID2(clsid, stringCLSID, ARRAYSIZE(stringCLSID));
LPCTSTR value = stringCLSID;
hResult = RegSetValueEx(syncExOverlayKey, nullptr, 0, REG_SZ, (LPBYTE)value, (DWORD)((wcslen(value)+1) * sizeof(TCHAR)));
if (!SUCCEEDED(hResult)) {
return hResult;
}
return hResult;
}
HRESULT NCOverlayRegistrationHandler::RemoveRegistryEntries(PCWSTR friendlyName)
{
HRESULT hResult = 0;
HKEY shellOverlayKey = nullptr;
hResult = HRESULT_FROM_WIN32(RegOpenKeyEx(HKEY_LOCAL_MACHINE, REGISTRY_OVERLAY_KEY, 0, KEY_WRITE, &shellOverlayKey));
if (!SUCCEEDED(hResult)) {
return hResult;
}
HKEY syncExOverlayKey = nullptr;
hResult = HRESULT_FROM_WIN32(RegDeleteKey(shellOverlayKey, friendlyName));
if (!SUCCEEDED(hResult)) {
return hResult;
}
return hResult;
}
HRESULT NCOverlayRegistrationHandler::RegisterCOMObject(PCWSTR modulePath, PCWSTR friendlyName, const CLSID& clsid)
{
if (!modulePath) {
return E_FAIL;
}
wchar_t stringCLSID[MAX_PATH];
StringFromGUID2(clsid, stringCLSID, ARRAYSIZE(stringCLSID));
HRESULT hResult = 0;
HKEY hKey = nullptr;
hResult = HRESULT_FROM_WIN32(RegOpenKeyEx(HKEY_CLASSES_ROOT, REGISTRY_CLSID, 0, KEY_WRITE, &hKey));
if (!SUCCEEDED(hResult)) {
return hResult;
}
HKEY clsidKey = nullptr;
hResult = HRESULT_FROM_WIN32(RegCreateKeyEx(hKey, stringCLSID, 0, nullptr, REG_OPTION_NON_VOLATILE, KEY_WRITE, nullptr, &clsidKey, nullptr));
if (!SUCCEEDED(hResult)) {
return hResult;
}
hResult = HRESULT_FROM_WIN32(RegSetValue(clsidKey, nullptr, REG_SZ, friendlyName, (DWORD) wcslen(friendlyName)));
HKEY inprocessKey = nullptr;
hResult = HRESULT_FROM_WIN32(RegCreateKeyEx(clsidKey, REGISTRY_IN_PROCESS, 0, nullptr, REG_OPTION_NON_VOLATILE, KEY_WRITE, nullptr, &inprocessKey, nullptr));
if (!SUCCEEDED(hResult)) {
return hResult;
}
hResult = HRESULT_FROM_WIN32(RegSetValue(inprocessKey, nullptr, REG_SZ, modulePath, (DWORD) wcslen(modulePath)));
if (!SUCCEEDED(hResult)) {
return hResult;
}
hResult = HRESULT_FROM_WIN32(RegSetValueEx(inprocessKey, REGISTRY_THREADING, 0, REG_SZ, (LPBYTE)REGISTRY_APARTMENT, (DWORD)((wcslen(REGISTRY_APARTMENT)+1) * sizeof(TCHAR))));
if (!SUCCEEDED(hResult)) {
return hResult;
}
HKEY versionKey = nullptr;
hResult = HRESULT_FROM_WIN32(RegCreateKeyEx(clsidKey, REGISTRY_VERSION, 0, nullptr, REG_OPTION_NON_VOLATILE, KEY_WRITE, nullptr, &versionKey, nullptr));
if (!SUCCEEDED(hResult)) {
return hResult;
}
hResult = HRESULT_FROM_WIN32(RegSetValueEx(versionKey, nullptr, 0, REG_SZ, (LPBYTE)REGISTRY_VERSION_NUMBER, (DWORD)(wcslen(REGISTRY_VERSION_NUMBER)+1) * sizeof(TCHAR)));
if (!SUCCEEDED(hResult)) {
return hResult;
}
return S_OK;
}
HRESULT NCOverlayRegistrationHandler::UnregisterCOMObject(const CLSID& clsid)
{
wchar_t stringCLSID[MAX_PATH];
StringFromGUID2(clsid, stringCLSID, ARRAYSIZE(stringCLSID));
HRESULT hResult = 0;
HKEY hKey = nullptr;
hResult = HRESULT_FROM_WIN32(RegOpenKeyEx(HKEY_CLASSES_ROOT, REGISTRY_CLSID, 0, DELETE, &hKey));
if (!SUCCEEDED(hResult)) {
return hResult;
}
HKEY clsidKey = nullptr;
hResult = HRESULT_FROM_WIN32(RegOpenKeyEx(hKey, stringCLSID, 0, DELETE, &clsidKey));
if (!SUCCEEDED(hResult)) {
return hResult;
}
hResult = HRESULT_FROM_WIN32(RegDeleteKey(clsidKey, REGISTRY_IN_PROCESS));
if (!SUCCEEDED(hResult)) {
return hResult;
}
hResult = HRESULT_FROM_WIN32(RegDeleteKey(clsidKey, REGISTRY_VERSION));
if (!SUCCEEDED(hResult)) {
return hResult;
}
hResult = HRESULT_FROM_WIN32(RegDeleteKey(hKey, stringCLSID));
if (!SUCCEEDED(hResult)) {
return hResult;
}
return S_OK;
}
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