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OutOfProcessServer.cxx
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OutOfProcessServer.cxx
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/*
* Outlook Integration library.
*
* Copyright (c) 2016, Ixperta Solutions s.r.o.
*
* This work is based on
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "OutOfProcessServer.h"
#include "Log.h"
#include "Messenger.h"
#include "MessengerClassFactory.h"
#include "MessengerContact.h"
#include "process.h"
EXTERN_C const GUID DECLSPEC_SELECTANY LIBID_CommunicatorUA
= { 0x2B317E1D, 0x50E5, 0x4f5e, { 0xA3, 0xA4, 0xFB, 0x85, 0x20, 0x6E, 0xDA, 0x48 } };
CRITICAL_SECTION OutOfProcessServer::_criticalSection;
LPTYPELIB OutOfProcessServer::_iTypeLib;
ClassFactory * OutOfProcessServer::_messengerClassFactory = NULL;
HANDLE OutOfProcessServer::_threadHandle;
DWORD OutOfProcessServer::_threadId;
HRESULT OutOfProcessServer::loadRegTypeLib()
{
/*
* Microsoft Office will need the Office Communicator 2007 API to be able to
* talk to us. Make sure it is available.
*/
LPTYPELIB iTypeLib;
HRESULT hr = ::LoadRegTypeLib(LIBID_CommunicatorUA, 1, 0, 0, &iTypeLib);
if (SUCCEEDED(hr))
_iTypeLib = iTypeLib;
else
{
HMODULE module;
_iTypeLib = NULL;
if (::GetModuleHandleEx(
GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
| GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
(LPCTSTR) (OutOfProcessServer::loadRegTypeLib),
&module))
{
WCHAR path[MAX_PATH + 1];
DWORD pathCapacity = sizeof(path) / sizeof(WCHAR);
DWORD pathLength = ::GetModuleFileNameW(module, path, pathCapacity);
if (pathLength && (pathLength < pathCapacity))
{
hr = ::LoadTypeLibEx(path, REGKIND_NONE, &iTypeLib);
if (SUCCEEDED(hr))
{
HMODULE oleaut32 = ::GetModuleHandle(_T("oleaut32.dll"));
if (oleaut32)
{
typedef HRESULT (WINAPI *RTLFU)(LPTYPELIB,LPOLESTR,LPOLESTR);
RTLFU registerTypeLibForUser
= (RTLFU)
::GetProcAddress(
oleaut32,
"RegisterTypeLibForUser");
if (registerTypeLibForUser)
{
hr = registerTypeLibForUser(iTypeLib, path, NULL);
if (SUCCEEDED(hr))
{
/*
* The whole point of what has been done till
* now is securing the success of future calls
* to LoadRegTypeLib. Make sure that is indeed
* the case.
*/
iTypeLib->Release();
hr
= ::LoadRegTypeLib(
LIBID_CommunicatorUA,
1,
0,
0,
&iTypeLib);
if (SUCCEEDED(hr))
_iTypeLib = iTypeLib;
}
}
else
hr = E_UNEXPECTED;
}
else
hr = E_UNEXPECTED;
if (iTypeLib != _iTypeLib)
iTypeLib->Release();
}
}
}
}
return hr;
}
DWORD
OutOfProcessServer::regCreateKeyAndSetValue
(LPCTSTR key, LPCTSTR valueName, DWORD data)
{
SYSTEM_INFO systemInfo;
REGSAM alternatives86[] = { 0 };
REGSAM alternatives64[] = { KEY_WOW64_32KEY, KEY_WOW64_64KEY };
REGSAM *alternatives;
size_t alternativeCount;
::GetNativeSystemInfo(&systemInfo);
if (PROCESSOR_ARCHITECTURE_INTEL == systemInfo.wProcessorArchitecture)
{
alternatives = alternatives86;
alternativeCount = sizeof(alternatives86) / sizeof(REGSAM);
}
else
{
alternatives = alternatives64;
alternativeCount = sizeof(alternatives64) / sizeof(REGSAM);
}
DWORD lastError;
for (size_t i = 0; i < alternativeCount; i++)
{
HKEY hkey;
lastError
= ::RegCreateKeyEx(
HKEY_CURRENT_USER,
key,
0,
NULL,
REG_OPTION_VOLATILE,
KEY_SET_VALUE | alternatives[i],
NULL,
&hkey,
NULL);
if (ERROR_SUCCESS == lastError)
{
lastError
= ::RegSetValueEx(
hkey,
valueName,
0,
REG_DWORD,
(const BYTE *) &data,
sizeof(data));
::RegCloseKey(hkey);
}
if (ERROR_SUCCESS != lastError)
break;
}
return lastError;
}
HRESULT OutOfProcessServer::registerClassObjects()
{
ClassFactory *classObject = new MessengerClassFactory();
HRESULT hresult = classObject->registerClassObject();
if (SUCCEEDED(hresult))
_messengerClassFactory = classObject;
else
classObject->Release();
if (SUCCEEDED(hresult))
{
hresult = ::CoResumeClassObjects();
if (FAILED(hresult))
revokeClassObjects();
}
return hresult;
}
ULONG OutOfProcessServer::releaseTypeLib()
{
// TODO UnRegisterTypeLibForUser
return _iTypeLib->Release();
}
HRESULT OutOfProcessServer::revokeClassObjects()
{
HRESULT ret = ::CoSuspendClassObjects();
if (SUCCEEDED(ret))
{
ClassFactory *classObject = _messengerClassFactory;
if (classObject)
{
_messengerClassFactory = NULL;
HRESULT hr = classObject->revokeClassObject();
classObject->Release();
if (FAILED(hr))
ret = hr;
}
}
return ret;
}
unsigned __stdcall OutOfProcessServer::run(void *)
{
DEBUG(L"OutOfProcessServer starting");
HRESULT hr = ::CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
unsigned ret = 0;
if (SUCCEEDED(hr))
{
DEBUG(L"Loding type lib");
hr = loadRegTypeLib();
if (SUCCEEDED(hr))
{
DEBUG(L"Setting UpAndRunnging register to 1 (Starting)");
if (ERROR_SUCCESS == setIMProvidersCommunicatorUpAndRunning(1))
{
MSG msg;
DEBUG(L"Creating message queue");
/*
* Create the message queue of this thread before any other part
* of the code (e.g. the release method) has a chance to invoke
* PostThreadMessage.
*/
::PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE);
DEBUG(L"Registering class");
hr = registerClassObjects();
if (SUCCEEDED(hr))
{
DEBUG(L"Setting UpAndRunnging register to 2 (Running)");
if (ERROR_SUCCESS
== setIMProvidersCommunicatorUpAndRunning(2))
{
HANDLE threadHandle = _threadHandle;
BOOL logMsgWaitForMultipleObjectsExFailed = TRUE;
BOOL quit = FALSE;
do
{
/*
* Enable the use of the QueueUserAPC function by
* entering an alertable state.
*/
if ((WAIT_FAILED
== ::MsgWaitForMultipleObjectsEx(
1,
&threadHandle,
INFINITE,
QS_ALLINPUT | QS_ALLPOSTMESSAGE,
MWMO_ALERTABLE
| MWMO_INPUTAVAILABLE))
&& logMsgWaitForMultipleObjectsExFailed)
{
/*
* Logging the possible failures of the calls to
* MsgWaitForMultipleObjectsEx multiple times is
* unlikely to be useful. Besides, the call in
* question is performed inside the message loop
* and the logging will be an unnecessary
* performance penalty.
*/
logMsgWaitForMultipleObjectsExFailed = FALSE;
DEBUG( _T("OutOfProcessServer::run:")
_T(" MsgWaitForMultipleObjectsEx=WAIT_FAILED;")
_T("\n"));
}
while (::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
if (WM_QUIT == msg.message)
{
quit = TRUE;
ret = (unsigned) msg.wParam;
break;
}
else if (msg.hwnd)
{
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
}
}
while (!quit);
}
revokeClassObjects();
}
}
else
{
DEBUG(L"setIMProvidersCommunicatorUpAndRunning(1) failed");
}
/*
* Even if setIMProvidersCommunicatorUpAndRunning(DWORD) failed, it
* may have successfully set some of the multiple related registry
* keys.
*/
setIMProvidersCommunicatorUpAndRunning(0);
releaseTypeLib();
}
else
{
DEBUG(L"loadRegTypeLib failed");
}
::CoUninitialize();
}
else
{
DEBUG(L"CoInitializeEx failed");
}
return ret;
}
DWORD OutOfProcessServer::setIMProvidersCommunicatorUpAndRunning(DWORD dw)
{
DWORD lastError;
if (dw)
{
/*
* Testing on various machines/setups has shown that the following may
* or may not succeed without affecting the presence integration so just
* try them and then go on with the rest regardless of their success.
*/
lastError = ERROR_SUCCESS;
regCreateKeyAndSetValue(
_T("Software\\Microsoft\\Office\\11.0\\Common\\PersonaMenu"),
_T("RTCApplication"),
3);
regCreateKeyAndSetValue(
_T("Software\\Microsoft\\Office\\12.0\\Common\\PersonaMenu"),
_T("RTCApplication"),
3);
regCreateKeyAndSetValue(
_T("Software\\Microsoft\\Office\\11.0\\Common\\PersonaMenu"),
_T("QueryServiceForStatus"),
2);
regCreateKeyAndSetValue(
_T("Software\\Microsoft\\Office\\12.0\\Common\\PersonaMenu"),
_T("QueryServiceForStatus"),
2);
regCreateKeyAndSetValue(
_T("Software\\Microsoft\\Office\\11.0\\Outlook\\IM"),
_T("SetOnlineStatusLevel"),
3);
regCreateKeyAndSetValue(
_T("Software\\Microsoft\\Office\\12.0\\Outlook\\IM"),
_T("SetOnlineStatusLevel"),
3);
}
else
lastError = ERROR_SUCCESS;
if (ERROR_SUCCESS == lastError)
{
lastError
= regCreateKeyAndSetValue(
_T("Software\\IM Providers\\Communicator"),
_T("UpAndRunning"),
dw);
}
return lastError;
}
HRESULT OutOfProcessServer::start()
{
HRESULT hr = S_OK;
InitializeCriticalSection(&_criticalSection);
if (SUCCEEDED(hr))
{
hr = Messenger::start();
if (SUCCEEDED(hr))
{
hr = MessengerContact::start();
if (SUCCEEDED(hr))
{
unsigned threadId;
HANDLE threadHandle
= (HANDLE)
::_beginthreadex(
NULL,
0,
OutOfProcessServer::run,
NULL,
CREATE_SUSPENDED,
&threadId);
if (threadHandle)
{
enterCriticalSection();
_threadHandle = threadHandle;
_threadId = (DWORD) threadId;
if (((DWORD) -1) == ::ResumeThread(threadHandle))
{
DWORD lastError = ::GetLastError();
_threadHandle = NULL;
::CloseHandle(threadHandle);
hr = HRESULT_FROM_WIN32(lastError);
}
leaveCriticalSection();
}
else
hr = E_UNEXPECTED;
if (FAILED(hr))
MessengerContact::stop();
}
if (FAILED(hr))
Messenger::stop();
}
}
return hr;
}
HRESULT OutOfProcessServer::stop()
{
DWORD lastError;
if (::PostThreadMessage(_threadId, WM_QUIT, 0, 0))
{
do
{
DWORD exitCode;
if (::GetExitCodeThread(_threadHandle, &exitCode))
{
if (STILL_ACTIVE == exitCode)
{
if (WAIT_FAILED
== ::WaitForSingleObject(_threadHandle, INFINITE))
break;
}
else
break;
}
else
break;
}
while (1);
if (::CloseHandle(_threadHandle))
lastError = 0;
else
lastError = ::GetLastError();
MessengerContact::stop();
Messenger::stop();
}
else
lastError = ::GetLastError();
return lastError ? HRESULT_FROM_WIN32(lastError) : S_OK;
}