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Verify integrity and authenticity of server-returned XML (XMLDSig) #102

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donho wants to merge 2 commits into from
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Verify integrity and authenticity of server-returned XML (XMLDSig) #102

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47489d7
Add checking integrity & authenticity of server-returned XML(XMLDsig)…
donho Jan 25, 2026
c522853
Fix eventual memory leak
donho Jan 29, 2026
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39 changes: 38 additions & 1 deletion src/Common.h
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,43 @@

#include <string>

class ScopedCOMInit final // never use this in DllMain
{
public:
ScopedCOMInit() {
HRESULT hr = ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED); // attempt STA init 1st (older CoInitialize(NULL))

if (hr == RPC_E_CHANGED_MODE)
{
hr = ::CoInitializeEx(nullptr, COINIT_MULTITHREADED); // STA init failed, switch to MTA
}

if (SUCCEEDED(hr))
{
// S_OK or S_FALSE, both needs subsequent CoUninitialize()
_bInitialized = true;
}
}

~ScopedCOMInit() {
if (_bInitialized)
{
_bInitialized = false;
::CoUninitialize();
}
}

bool isInitialized() const {
return _bInitialized;
}

private:
bool _bInitialized = false;

ScopedCOMInit(const ScopedCOMInit&) = delete;
ScopedCOMInit& operator=(const ScopedCOMInit&) = delete;
};

void expandEnv(std::wstring& s);
std::wstring getDateTimeStrFrom(const std::wstring& dateTimeFormat, const SYSTEMTIME& st);
void writeLog(const wchar_t* logFileName, const wchar_t* logSuffix, const wchar_t* log2write);
Expand All @@ -27,4 +64,4 @@ std::string getFileContentA(const char* file2read);
std::wstring GetLastErrorAsString(DWORD errorCode);
std::wstring stringToUpper(std::wstring strToConvert);
std::wstring stringToLower(std::wstring strToConvert);
std::wstring stringReplace(std::wstring subject, const std::wstring& search, const std::wstring& replace);
std::wstring stringReplace(std::wstring subject, const std::wstring& search, const std::wstring& replace);
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