2025-04-27 07:49:33 -04:00

1027 lines
29 KiB
C++

/*****************************************************************************\
FILE: util.cpp
DESCRIPTION:
Shared stuff that operates on all classes.
BryanSt 2/8/2000
Copyright (C) Microsoft Corp 1999-2000. All rights reserved.
\*****************************************************************************/
#include "priv.h"
#include "util.h"
/////////////////////////////////////////////////////////////////////
// String Helpers
/////////////////////////////////////////////////////////////////////
HINSTANCE g_hinst; // My instance handle
#ifdef DEBUG
DWORD g_TLSliStopWatchStartHi = 0;
DWORD g_TLSliStopWatchStartLo = 0;
LARGE_INTEGER g_liStopWatchFreq = {0};
#endif // DEBUG
/////////////////////////////////////////////////////////////////////
// Debug Timing Helpers
/////////////////////////////////////////////////////////////////////
#ifdef DEBUG
void DebugStartWatch(void)
{
LARGE_INTEGER liStopWatchStart;
liStopWatchStart.HighPart = PtrToUlong(TlsGetValue(g_TLSliStopWatchStartHi));
liStopWatchStart.LowPart = PtrToUlong(TlsGetValue(g_TLSliStopWatchStartLo));
// ASSERT(!liStopWatchStart.QuadPart); // If you hit this, then the stopwatch is nested.
QueryPerformanceFrequency(&g_liStopWatchFreq);
QueryPerformanceCounter(&liStopWatchStart);
TlsSetValue(g_TLSliStopWatchStartHi, UlongToPtr(liStopWatchStart.HighPart));
TlsSetValue(g_TLSliStopWatchStartLo, UlongToPtr(liStopWatchStart.LowPart));
}
DWORD DebugStopWatch(void)
{
LARGE_INTEGER liDiff;
LARGE_INTEGER liStopWatchStart;
QueryPerformanceCounter(&liDiff);
liStopWatchStart.HighPart = PtrToUlong(TlsGetValue(g_TLSliStopWatchStartHi));
liStopWatchStart.LowPart = PtrToUlong(TlsGetValue(g_TLSliStopWatchStartLo));
liDiff.QuadPart -= liStopWatchStart.QuadPart;
ASSERT(0 != g_liStopWatchFreq.QuadPart); // I don't like to fault with div 0.
DWORD dwTime = (DWORD)((liDiff.QuadPart * 1000) / g_liStopWatchFreq.QuadPart);
TlsSetValue(g_TLSliStopWatchStartHi, (LPVOID) 0);
TlsSetValue(g_TLSliStopWatchStartLo, (LPVOID) 0);
return dwTime;
}
#endif // DEBUG
void StartTaskWatch(IN LARGE_INTEGER * pliTaskStart, IN LARGE_INTEGER * pliTaskFreq)
{
QueryPerformanceFrequency(pliTaskFreq);
QueryPerformanceCounter(pliTaskStart);
}
DWORD StopTaskWatch(IN LARGE_INTEGER * pliTaskStart, IN LARGE_INTEGER * pliTaskFreq)
{
LARGE_INTEGER liDiff;
QueryPerformanceCounter(&liDiff);
liDiff.QuadPart -= pliTaskStart->QuadPart;
DWORD dwTime = (DWORD)((liDiff.QuadPart * 1000) / pliTaskFreq->QuadPart);
pliTaskStart->QuadPart = 0;
return dwTime;
}
/////////////////////////////////////////////////////////////////////
// String Helpers
/////////////////////////////////////////////////////////////////////
#undef SysAllocStringA
BSTR SysAllocStringA(LPCSTR pszStr)
{
BSTR bstrOut = NULL;
if (pszStr)
{
DWORD cchSize = (lstrlenA(pszStr) + 1);
LPWSTR pwszThunkTemp = (LPWSTR) LocalAlloc(LPTR, (sizeof(pwszThunkTemp[0]) * cchSize)); // assumes INFOTIPSIZE number of chars max
if (pwszThunkTemp)
{
SHAnsiToUnicode(pszStr, pwszThunkTemp, cchSize);
bstrOut = SysAllocString(pwszThunkTemp);
LocalFree(pwszThunkTemp);
}
}
return bstrOut;
}
HRESULT HrSysAllocStringA(IN LPCSTR pszSource, OUT BSTR * pbstrDest)
{
HRESULT hr = S_OK;
if (pbstrDest)
{
*pbstrDest = SysAllocStringA(pszSource);
if (pszSource)
{
if (*pbstrDest)
hr = S_OK;
else
hr = E_OUTOFMEMORY;
}
}
return hr;
}
HRESULT HrSysAllocStringW(IN const OLECHAR * pwzSource, OUT BSTR * pbstrDest)
{
HRESULT hr = S_OK;
if (pbstrDest)
{
*pbstrDest = SysAllocString(pwzSource);
if (pwzSource)
{
if (*pbstrDest)
hr = S_OK;
else
hr = E_OUTOFMEMORY;
}
}
return hr;
}
LPSTR AllocStringFromBStr(BSTR bstr)
{
int nLength = 1 + lstrlenW(bstr);
LPSTR pszNew = (LPSTR)LocalAlloc(LPTR, nLength);
if (pszNew)
{
SHUnicodeToAnsi((bstr ? bstr : L""), pszNew, nLength);
}
return pszNew;
}
HRESULT BSTRFromStream(IStream * pStream, BSTR * pbstr)
{
STATSTG statStg = {0};
HRESULT hr = pStream->Stat(&statStg, STATFLAG_NONAME);
if (S_OK == hr)
{
DWORD cchSize = statStg.cbSize.LowPart;
*pbstr = SysAllocStringLen(NULL, cchSize + 4);
if (*pbstr)
{
LPSTR pszTemp = (LPSTR) LocalAlloc(LPTR, sizeof(pszTemp[0]) * (cchSize + 4));
if (pszTemp)
{
ULONG cbRead;
hr = pStream->Read(pszTemp, cchSize, &cbRead);
pszTemp[cchSize] = 0;
SHAnsiToUnicode(pszTemp, *pbstr, (cchSize + 1));
LocalFree(pszTemp);
}
else
hr = E_OUTOFMEMORY;
}
else
hr = E_OUTOFMEMORY;
}
return hr;
}
// --------------------------------------------------------------------------------
// HrCopyStream
// --------------------------------------------------------------------------------
HRESULT HrCopyStream(LPSTREAM pstmIn, LPSTREAM pstmOut, ULONG *pcb)
{
HRESULT hr = S_OK;
BYTE buf[4096];
ULONG cbRead=0,
cbTotal=0;
do
{
hr = pstmIn->Read(buf, sizeof(buf), &cbRead);
if (FAILED(hr) || cbRead == 0)
{
break;
}
hr = pstmOut->Write(buf, cbRead, NULL);
if (FAILED(hr))
{
break;
}
cbTotal += cbRead;
}
while (cbRead == sizeof (buf));
if (pcb && SUCCEEDED(hr))
*pcb = cbTotal;
return hr;
}
HRESULT CreateBStrVariantFromWStr(IN OUT VARIANT * pvar, IN LPCWSTR pwszString)
{
HRESULT hr = E_INVALIDARG;
if (pvar)
{
pvar->bstrVal = SysAllocString(pwszString);
if (pvar->bstrVal)
{
pvar->vt = VT_BSTR;
hr = S_OK;
}
else
{
pvar->vt = VT_EMPTY;
hr = E_OUTOFMEMORY;
}
}
return hr;
}
HRESULT HrSysAllocString(IN const OLECHAR * pwzSource, OUT BSTR * pbstrDest)
{
HRESULT hr = S_OK;
if (pbstrDest)
{
*pbstrDest = SysAllocString(pwzSource);
if (pwzSource)
{
if (*pbstrDest)
hr = S_OK;
else
hr = E_OUTOFMEMORY;
}
}
return hr;
}
HRESULT UnEscapeHTML(BSTR bstrEscaped, BSTR * pbstrUnEscaped)
{
HRESULT hr = HrSysAllocString(bstrEscaped, pbstrUnEscaped);
if (SUCCEEDED(hr))
{
// Find %xx and replace.
LPWSTR pwszEscapedSequence = StrChrW(*pbstrUnEscaped, CH_HTML_ESCAPE);
WCHAR wzEscaped[5] = L"0xXX";
while (pwszEscapedSequence && (3 <= lstrlenW(pwszEscapedSequence)))
{
int nCharCode;
wzEscaped[2] = pwszEscapedSequence[1];
wzEscaped[3] = pwszEscapedSequence[2];
StrToIntExW(wzEscaped, STIF_SUPPORT_HEX, &nCharCode);
// Replace the '%' with the real char.
pwszEscapedSequence[0] = (WCHAR) nCharCode;
pwszEscapedSequence = CharNextW(pwszEscapedSequence); // Skip pasted the replaced char.
// Over write the 0xXX value.
StrCpyW(pwszEscapedSequence, &pwszEscapedSequence[2]);
// Next...
pwszEscapedSequence = StrChrW(pwszEscapedSequence, CH_HTML_ESCAPE);
}
}
return hr;
}
/*****************************************************************************\
PARAMETERS:
If fBoolean is TRUE, return "True" else "False".
\*****************************************************************************/
HRESULT BOOLToString(BOOL fBoolean, BSTR * pbstrValue)
{
HRESULT hr = E_INVALIDARG;
if (pbstrValue)
{
LPCWSTR pwszValue;
*pbstrValue = NULL;
if (TRUE == fBoolean)
{
pwszValue = SZ_QUERYDATA_TRUE;
}
else
{
pwszValue = SZ_QUERYDATA_FALSE;
}
hr = HrSysAllocString(pwszValue, pbstrValue);
}
return hr;
}
/////////////////////////////////////////////////////////////////////
// XML Related Helpers
/////////////////////////////////////////////////////////////////////
HRESULT XMLDOMFromBStr(BSTR bstrXML, IXMLDOMDocument ** ppXMLDoc)
{
HRESULT hr = CoCreateInstance(CLSID_DOMDocument, NULL, CLSCTX_INPROC_SERVER, IID_IXMLDOMDocument, (void **)ppXMLDoc);
if (SUCCEEDED(hr))
{
VARIANT_BOOL fIsSuccessful;
// NOTE: This will throw an 0xE0000001 exception in MSXML if the XML is invalid.
// This is not good but there isn't much we can do about it. The problem is
// that web proxies give back HTML which fails to parse.
hr = (*ppXMLDoc)->loadXML(bstrXML, &fIsSuccessful);
if (SUCCEEDED(hr))
{
if (VARIANT_TRUE != fIsSuccessful)
{
hr = E_FAIL;
}
}
}
if (FAILED(hr))
{
(*ppXMLDoc)->Release();
ppXMLDoc = NULL;
}
return hr;
}
HRESULT XMLBStrFromDOM(IXMLDOMDocument * pXMLDoc, BSTR * pbstrXML)
{
IStream * pStream;
HRESULT hr = pXMLDoc->QueryInterface(IID_IStream, (void **)&pStream); // check the return value
if (S_OK == hr)
{
hr = BSTRFromStream(pStream, pbstrXML);
pStream->Release();
}
return hr;
}
HRESULT XMLAppendElement(IXMLDOMElement * pXMLElementRoot, IXMLDOMElement * pXMLElementToAppend)
{
IXMLDOMNode * pXMLNodeRoot;
HRESULT hr = pXMLElementRoot->QueryInterface(IID_IXMLDOMNode, (void **)&pXMLNodeRoot);
if (SUCCEEDED(hr))
{
IXMLDOMNode * pXMLNodeToAppend;
hr = pXMLElementToAppend->QueryInterface(IID_IXMLDOMNode, (void **)&pXMLNodeToAppend);
if (SUCCEEDED(hr))
{
hr = pXMLNodeRoot->appendChild(pXMLNodeToAppend, NULL);
pXMLNodeToAppend->Release();
}
pXMLNodeRoot->Release();
}
return hr;
}
HRESULT XMLDOMFromFile(IN LPCWSTR pwzPath, OUT IXMLDOMDocument ** ppXMLDOMDoc)
{
HRESULT hr = CoCreateInstance(CLSID_DOMDocument, NULL, CLSCTX_INPROC_SERVER, IID_IXMLDOMDocument, (void **)ppXMLDOMDoc);
if (SUCCEEDED(hr))
{
VARIANT xmlSource;
xmlSource.vt = VT_BSTR;
xmlSource.bstrVal = SysAllocString(pwzPath);
if (xmlSource.bstrVal)
{
VARIANT_BOOL fIsSuccessful = VARIANT_TRUE;
hr = (*ppXMLDOMDoc)->load(xmlSource, &fIsSuccessful);
if ((S_FALSE == hr) || (VARIANT_FALSE == fIsSuccessful))
{
// This happens when the file isn't a valid XML file.
hr = E_FAIL;
}
VariantClear(&xmlSource);
}
if (FAILED(hr) && *ppXMLDOMDoc)
{
(*ppXMLDOMDoc)->Release();
}
}
return hr;
}
HRESULT XMLElem_VerifyTagName(IN IXMLDOMElement * pXMLElementMessage, IN LPCWSTR pwszTagName)
{
BSTR bstrTagName;
HRESULT hr = pXMLElementMessage->get_tagName(&bstrTagName);
if (S_FALSE == hr)
{
hr = E_FAIL;
}
else if (SUCCEEDED(hr))
{
if (!bstrTagName || !pwszTagName || StrCmpIW(bstrTagName, pwszTagName))
{
hr = E_FAIL;
}
SysFreeString(bstrTagName);
}
return hr;
}
HRESULT XMLElem_GetElementsByTagName(IN IXMLDOMElement * pXMLElementMessage, IN LPCWSTR pwszTagName, OUT IXMLDOMNodeList ** ppNodeList)
{
BSTR bstrTagName = SysAllocString(pwszTagName);
HRESULT hr = E_OUTOFMEMORY;
*ppNodeList = NULL;
if (bstrTagName)
{
hr = pXMLElementMessage->getElementsByTagName(bstrTagName, ppNodeList);
if (S_FALSE == hr)
{
hr = E_FAIL;
}
SysFreeString(bstrTagName);
}
return hr;
}
HRESULT XMLNode_GetAttributeValue(IN IXMLDOMNode * pXMLNode, IN LPCWSTR pwszAttributeName, OUT BSTR * pbstrValue)
{
BSTR bstrAttributeName = SysAllocString(pwszAttributeName);
HRESULT hr = E_OUTOFMEMORY;
*pbstrValue = NULL;
if (bstrAttributeName)
{
IXMLDOMNamedNodeMap * pNodeAttributes;
hr = pXMLNode->get_attributes(&pNodeAttributes);
if (S_FALSE == hr) hr = E_FAIL;
if (SUCCEEDED(hr))
{
IXMLDOMNode * pTypeAttribute;
hr = pNodeAttributes->getNamedItem(bstrAttributeName, &pTypeAttribute);
if (S_FALSE == hr) hr = HRESULT_FROM_WIN32(ERROR_NOT_FOUND);
if (SUCCEEDED(hr))
{
VARIANT varAtribValue = {0};
hr = pTypeAttribute->get_nodeValue(&varAtribValue);
if (S_FALSE == hr) hr = E_FAIL;
if (SUCCEEDED(hr) && (VT_BSTR == varAtribValue.vt))
{
*pbstrValue = SysAllocString(varAtribValue.bstrVal);
}
VariantClear(&varAtribValue);
pTypeAttribute->Release();
}
pNodeAttributes->Release();
}
SysFreeString(bstrAttributeName);
}
return hr;
}
HRESULT XMLNode_GetChildTag(IN IXMLDOMNode * pXMLNode, IN LPCWSTR pwszTagName, OUT IXMLDOMNode ** ppChildNode)
{
HRESULT hr = E_INVALIDARG;
*ppChildNode = NULL;
if (pXMLNode)
{
IXMLDOMElement * pXMLElement;
hr = pXMLNode->QueryInterface(IID_IXMLDOMElement, (void **)&pXMLElement);
if (SUCCEEDED(hr))
{
IXMLDOMNodeList * pNodeList;
hr = XMLElem_GetElementsByTagName(pXMLElement, pwszTagName, &pNodeList);
if (SUCCEEDED(hr))
{
hr = XMLNodeList_GetChild(pNodeList, 0, ppChildNode);
pNodeList->Release();
}
pXMLElement->Release();
}
}
return hr;
}
HRESULT XMLNodeList_GetChild(IXMLDOMNodeList * pNodeList, DWORD dwIndex, IXMLDOMNode ** ppXMLChildNode)
{
HRESULT hr = pNodeList->get_item(dwIndex, ppXMLChildNode);
if (S_FALSE == hr)
{
hr = HRESULT_FROM_WIN32(ERROR_NOT_FOUND);
}
return hr;
}
/////////////////////////////////////////////////////////////////////
// Wininet Wrapping Helpers
/////////////////////////////////////////////////////////////////////
#define EMPTYSTR_FOR_NULL(str) ((!str) ? TEXT("") : (str))
/*****************************************************************************\
FUNCTION: InternetConnectWrap
DESCRIPTION:
PERF Notes:
[Direct Net Connection]
To: shapitst <Down the Hall>: 144ms - 250ms (Min: 2; Max: 1,667ms)
To: rigel.cyberpass.net <San Diego, CA>: 717ms - 1006ms
To: ftp.rz.uni-frankfurt.de <Germany>: 2609ms - 14,012ms
COMMON ERROR VALUES:
These are the return values in these different cases:
ERROR_INTERNET_NAME_NOT_RESOLVED: No Proxy & DNS Lookup failed.
ERROR_INTERNET_CANNOT_CONNECT: Some Auth Proxies and Netscape's Web/Auth Proxy
ERROR_INTERNET_NAME_NOT_RESOLVED: Web Proxy
ERROR_INTERNET_TIMEOUT: Invalid or Web Proxy blocked IP Address
ERROR_INTERNET_INCORRECT_PASSWORD: IIS & UNIX, UserName may not exist or password for the user may be incorrect on.
ERROR_INTERNET_LOGIN_FAILURE: Too many Users on IIS.
ERROR_INTERNET_INCORRECT_USER_NAME: I haven't seen it.
ERROR_INTERNET_EXTENDED_ERROR: yahoo.com exists, but ftp.yahoo.com doesn't.
\*****************************************************************************/
HRESULT InternetConnectWrap(HINTERNET hInternet, BOOL fAssertOnFailure, LPCTSTR pszServerName, INTERNET_PORT nServerPort,
LPCTSTR pszUserName, LPCTSTR pszPassword, DWORD dwService, DWORD dwFlags, DWORD_PTR dwContext, HINTERNET * phFileHandle)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
DEBUG_CODE(DebugStartWatch());
*phFileHandle = InternetConnect(hInternet, pszServerName, nServerPort, pszUserName, pszPassword, dwService, dwFlags, dwContext);
if (!*phFileHandle)
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
if (fAssertOnFailure)
{
}
return hr;
}
/*****************************************************************************\
FUNCTION: InternetOpenWrap
DESCRIPTION:
PERF Notes:
[Direct Net Connection]
Destination not applicable. 677-907ms
\*****************************************************************************/
HRESULT InternetOpenWrap(LPCTSTR pszAgent, DWORD dwAccessType, LPCTSTR pszProxy, LPCTSTR pszProxyBypass, DWORD dwFlags, HINTERNET * phFileHandle)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
DEBUG_CODE(DebugStartWatch());
*phFileHandle = InternetOpen(pszAgent, dwAccessType, pszProxy, pszProxyBypass, dwFlags);
if (!*phFileHandle)
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
DEBUG_CODE(TraceMsg(TF_WMAUTODISCOVERY, "InternetOpen(\"%ls\") returned %u. Time=%lums", pszAgent, dwError, DebugStopWatch()));
return hr;
}
HRESULT InternetCloseHandleWrap(HINTERNET hInternet)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
DEBUG_CODE(DebugStartWatch());
if (!InternetCloseHandle(hInternet))
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
DEBUG_CODE(TraceMsg(TF_WMAUTODISCOVERY, "InternetCloseHandle(%#08lx) returned %u. Time=%lums", hInternet, dwError, DebugStopWatch()));
return hr;
}
/*****************************************************************************\
FUNCTION: InternetOpenUrlWrap
DESCRIPTION:
PERF Notes:
[Direct Net Connection]
To: shapitst <Down the Hall>: 29ms
To: rigel.cyberpass.net <San Diego, CA>: ???????
To: ftp.rz.uni-frankfurt.de <Germany>: ???????
\*****************************************************************************/
HRESULT InternetOpenUrlWrap(HINTERNET hInternet, LPCTSTR pszUrl, LPCTSTR pszHeaders, DWORD dwHeadersLength, DWORD dwFlags, DWORD_PTR dwContext, HINTERNET * phFileHandle)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
DEBUG_CODE(DebugStartWatch());
*phFileHandle = InternetOpenUrl(hInternet, pszUrl, pszHeaders, dwHeadersLength, dwFlags, dwContext);
if (!*phFileHandle)
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
DEBUG_CODE(TraceMsg(TF_WMAUTODISCOVERY, "InternetOpenUrl(%#08lx, \"%ls\") returned %u. Time=%lums", hInternet, pszUrl, dwError, DebugStopWatch()));
return hr;
}
HRESULT HttpOpenRequestWrap(IN HINTERNET hConnect, IN LPCSTR lpszVerb, IN LPCSTR lpszObjectName, IN LPCSTR lpszVersion,
IN LPCSTR lpszReferer, IN LPCSTR FAR * lpszAcceptTypes, IN DWORD dwFlags, IN DWORD_PTR dwContext,
LPDWORD pdwNumberOfBytesRead, HINTERNET * phConnectionHandle)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
DEBUG_CODE(DebugStartWatch());
*phConnectionHandle = HttpOpenRequestA(hConnect, lpszVerb, lpszObjectName, lpszVersion, lpszReferer, lpszAcceptTypes, dwFlags, dwContext);
if (!*phConnectionHandle)
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
DEBUG_CODE(TraceMsg(TF_WMAUTODISCOVERY, "HttpOpenRequest(%#08lx, \"%ls\") returned %u. Time=%lums", *phConnectionHandle, lpszVerb, dwError, DebugStopWatch()));
return hr;
}
HRESULT HttpSendRequestWrap(IN HINTERNET hRequest, IN LPCSTR lpszHeaders, IN DWORD dwHeadersLength, IN LPVOID lpOptional, DWORD dwOptionalLength)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
if (!HttpSendRequestA(hRequest, lpszHeaders, dwHeadersLength, lpOptional, dwOptionalLength))
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
return hr;
}
HRESULT InternetReadFileWrap(HINTERNET hFile, LPVOID pvBuffer, DWORD dwNumberOfBytesToRead, LPDWORD pdwNumberOfBytesRead)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
// DEBUG_CODE(DebugStartWatch());
if (!InternetReadFile(hFile, pvBuffer, dwNumberOfBytesToRead, pdwNumberOfBytesRead))
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
// DEBUG_CODE(TraceMsg(TF_WMAUTODISCOVERY, "InternetReadFile(%#08lx, ToRead=%d, Read=%d) returned %u. Time=%lums", hFile, dwNumberOfBytesToRead, (pdwNumberOfBytesRead ? *pdwNumberOfBytesRead : -1), dwError, DebugStopWatch()));
return hr;
}
HRESULT CreateUrlCacheEntryWrap(IN LPCTSTR lpszUrlName, IN DWORD dwExpectedFileSize, IN LPCTSTR lpszFileExtension, OUT LPTSTR lpszFileName, IN DWORD dwReserved)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
// DEBUG_CODE(DebugStartWatch());
if (!CreateUrlCacheEntry(lpszUrlName, dwExpectedFileSize, lpszFileExtension, lpszFileName, dwReserved))
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
// DEBUG_CODE(TraceMsg(TF_WMAUTODISCOVERY, "InternetReadFile(%#08lx, ToRead=%d, Read=%d) returned %u. Time=%lums", hFile, dwNumberOfBytesToRead, (pdwNumberOfBytesRead ? *pdwNumberOfBytesRead : -1), dwError, DebugStopWatch()));
return hr;
}
HRESULT CommitUrlCacheEntryWrap(IN LPCTSTR lpszUrlName, IN LPCTSTR lpszLocalFileName, IN FILETIME ExpireTime, IN FILETIME LastModifiedTime,
IN DWORD CacheEntryType, IN UCHAR * lpHeaderInfo, IN DWORD dwHeaderSize, IN LPCTSTR lpszFileExtension, IN LPCTSTR lpszOriginalUrl)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
// DEBUG_CODE(DebugStartWatch());
if (!CommitUrlCacheEntry(lpszUrlName, lpszLocalFileName, ExpireTime, LastModifiedTime, CacheEntryType, lpHeaderInfo, dwHeaderSize, lpszFileExtension, lpszOriginalUrl))
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
// DEBUG_CODE(TraceMsg(TF_WMAUTODISCOVERY, "InternetReadFile(%#08lx, ToRead=%d, Read=%d) returned %u. Time=%lums", hFile, dwNumberOfBytesToRead, (pdwNumberOfBytesRead ? *pdwNumberOfBytesRead : -1), dwError, DebugStopWatch()));
return hr;
}
#define SIZE_COPY_BUFFER (32 * 1024) // 32k
HRESULT InternetReadIntoBSTR(HINTERNET hInternetRead, OUT BSTR * pbstrXML)
{
BYTE byteBuffer[SIZE_COPY_BUFFER];
DWORD cbRead = SIZE_COPY_BUFFER;
DWORD cchSize = 0;
HRESULT hr = S_OK;
*pbstrXML = NULL;
while (SUCCEEDED(hr) && cbRead)
{
hr = InternetReadFileWrap(hInternetRead, byteBuffer, sizeof(byteBuffer), &cbRead);
if (SUCCEEDED(hr) && cbRead)
{
BSTR bstrOld = *pbstrXML;
BSTR bstrEnd;
// The string may not be terminated.
byteBuffer[cbRead] = 0;
cchSize += ARRAYSIZE(byteBuffer);
*pbstrXML = SysAllocStringLen(NULL, cchSize);
if (*pbstrXML)
{
if (bstrOld)
{
StrCpyW(*pbstrXML, bstrOld);
}
else
{
(*pbstrXML)[0] = 0;
}
bstrEnd = *pbstrXML + lstrlenW(*pbstrXML);
SHAnsiToUnicode((LPCSTR) byteBuffer, bstrEnd, ARRAYSIZE(byteBuffer));
}
else
{
hr = E_OUTOFMEMORY;
}
SysFreeString(bstrOld);
}
}
return hr;
}
/////////////////////////////////////////////////////////////////////
// File System Wrapping Helpers
/////////////////////////////////////////////////////////////////////
HRESULT CreateFileHrWrap(LPCTSTR lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes,
DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile, HANDLE * phFileHandle)
{
HRESULT hr = S_OK;
HANDLE hTemp = NULL;
DWORD dwError = 0;
if (!phFileHandle)
phFileHandle = &hTemp;
*phFileHandle = CreateFile(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
if (!*phFileHandle)
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
if (hTemp)
CloseHandle(hTemp);
return hr;
}
HRESULT WriteFileWrap(HANDLE hFile, LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite, LPDWORD lpNumberOfBytesWritten, LPOVERLAPPED lpOverlapped)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
if (!WriteFile(hFile, lpBuffer, nNumberOfBytesToWrite, lpNumberOfBytesWritten, lpOverlapped))
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
return hr;
}
HRESULT DeleteFileHrWrap(LPCWSTR pszPath)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
if (!DeleteFileW(pszPath))
{
dwError = GetLastError();
hr = HRESULT_FROM_WIN32(dwError);
}
return hr;
}
HRESULT GetPrivateProfileStringHrWrap(LPCWSTR lpAppName, LPCWSTR lpKeyName, LPCWSTR lpDefault, LPWSTR lpReturnedString, DWORD nSize, LPCWSTR lpFileName)
{
HRESULT hr = S_OK;
DWORD chGot = GetPrivateProfileStringW(lpAppName, lpKeyName, lpDefault, lpReturnedString, nSize, lpFileName);
// What else can indicate an error value?
if (0 == chGot)
{
hr = HRESULT_FROM_WIN32(GetLastError());
if (SUCCEEDED(hr))
hr = E_FAIL;
}
return hr;
}
/////////////////////////////////////////////////////////////////////
// Other Helpers
/////////////////////////////////////////////////////////////////////
HRESULT HrRewindStream(IStream * pstm)
{
LARGE_INTEGER liOrigin = {0,0};
return pstm->Seek(liOrigin, STREAM_SEEK_SET, NULL);
}
#define SET_FLAG(dwAllFlags, dwFlag) ((dwAllFlags) |= (dwFlag))
#define IS_FLAG_SET(dwAllFlags, dwFlag) ((BOOL)((dwAllFlags) & (dwFlag)))
const char szDayOfWeekArray[7][4] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" } ;
const char szMonthOfYearArray[12][4] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" } ;
void GetDateString(char * szSentDateString, ULONG stringLen)
{
// Sent Date
SYSTEMTIME stSentTime;
CHAR szMonth[10], szWeekDay[12] ;
GetSystemTime(&stSentTime);
lstrcpynA(szWeekDay, szDayOfWeekArray[stSentTime.wDayOfWeek], ARRAYSIZE(szWeekDay)) ;
lstrcpynA(szMonth, szMonthOfYearArray[stSentTime.wMonth-1], ARRAYSIZE(szMonth)) ;
wnsprintfA(szSentDateString, stringLen, "%s, %u %s %u %2d:%02d:%02d ", (LPSTR) szWeekDay, stSentTime.wDay,
(LPSTR) szMonth, stSentTime.wYear, stSentTime.wHour,
stSentTime.wMinute, stSentTime.wSecond) ;
}
/*****************************************************************************\
PARAMETERS:
RETURN: Win32 HRESULT (Not Script Safe).
SUCCEEDED(hr) for OK and out params filled in.
FAILED(hr) for all errors.
\*****************************************************************************/
HRESULT GetQueryStringValue(BSTR bstrURL, LPCWSTR pwszValue, LPWSTR pwszData, DWORD cchSizeData)
{
HRESULT hr = E_FAIL;
LPCWSTR pwszIterate = bstrURL;
pwszIterate = StrChrW(pwszIterate, L'?'); // Advance to Query part of URL.
while (pwszIterate && pwszIterate[0])
{
pwszIterate++; // Start at first value
LPCWSTR pwszEndOfValue = StrChrW(pwszIterate, L'=');
if (!pwszEndOfValue)
break;
int cchValueSize = (INT) (pwszEndOfValue - pwszIterate);
if (0 == StrCmpNIW(pwszValue, pwszIterate, cchValueSize))
{
int cchSizeToCopy = cchSizeData; // Copy rest of line by default.
pwszIterate = StrChrW(pwszEndOfValue, L'&');
if (pwszIterate)
{
cchSizeToCopy = (INT) (pwszIterate - pwszEndOfValue);
}
// It matches, now get the Data.
StrCpyNW(pwszData, (pwszEndOfValue + 1), cchSizeToCopy);
hr = S_OK;
break;
}
else
{
pwszIterate = StrChrW(pwszEndOfValue, L'&');
}
}
return hr;
}
// BUGBUG: This makes this object ways safe. When the MailApps security design is
// complete, this needs to be removed for the permanate security solution.
HRESULT MarkObjectSafe(IUnknown * punk)
{
HRESULT hr = S_OK;
IObjectSafety * pos;
hr = punk->QueryInterface(IID_IObjectSafety, (void **)&pos);
if (SUCCEEDED(hr))
{
// BUGBUG: This makes this object ways safe. When the MailApps security design is
// complete, this needs to be removed for the permanate solution.
pos->SetInterfaceSafetyOptions(IID_IDispatch, (INTERFACESAFE_FOR_UNTRUSTED_CALLER | INTERFACESAFE_FOR_UNTRUSTED_DATA), 0);
pos->Release();
}
return hr;
}