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

145 lines
3.7 KiB
C++

/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Microsoft Windows, Copyright (C) Microsoft Corporation, 2000
File: EnvelopedData.h
Content: Declaration of the CEnvelopedData.
History: 11-15-99 dsie created
------------------------------------------------------------------------------*/
#ifndef __ENVELOPEDDATA_H_
#define __ENVELOPEDDATA_H_
#include <atlctl.h>
#include "resource.h" // main symbols
#include "Certificate.h"
#include "Recipients.h"
#include "Algorithm.h"
#include "Lock.h"
#include "Error.h"
///////////////////////////////////////////////////////////////////////////////
//
// CEnvelopedData
//
class ATL_NO_VTABLE CEnvelopedData :
public CComObjectRootEx<CComMultiThreadModel>,
public CComCoClass<CEnvelopedData, &CLSID_EnvelopedData>,
public ICAPICOMError<CEnvelopedData, &IID_IEnvelopedData>,
public IDispatchImpl<IEnvelopedData, &IID_IEnvelopedData, &LIBID_CAPICOM>,
public IObjectSafetyImpl<CEnvelopedData, INTERFACESAFE_FOR_UNTRUSTED_CALLER |
INTERFACESAFE_FOR_UNTRUSTED_DATA>
{
public:
CEnvelopedData()
{
m_bEnveloped = FALSE;
m_pIAlgorithm = NULL;
m_pIRecipients = NULL;
m_pUnkMarshaler = NULL;
}
DECLARE_REGISTRY_RESOURCEID(IDR_ENVELOPEDDATA)
DECLARE_GET_CONTROLLING_UNKNOWN()
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CEnvelopedData)
COM_INTERFACE_ENTRY(IEnvelopedData)
COM_INTERFACE_ENTRY(IDispatch)
COM_INTERFACE_ENTRY(IObjectSafety)
COM_INTERFACE_ENTRY(ISupportErrorInfo)
COM_INTERFACE_ENTRY_AGGREGATE(IID_IMarshal, m_pUnkMarshaler.p)
END_COM_MAP()
BEGIN_CATEGORY_MAP(CEnvelopedData)
IMPLEMENTED_CATEGORY(CATID_SafeForScripting)
IMPLEMENTED_CATEGORY(CATID_SafeForInitializing)
END_CATEGORY_MAP()
HRESULT FinalConstruct()
{
HRESULT hr;
if (FAILED(hr = m_Lock.Initialized()))
{
DebugTrace("Error [%#x]: Critical section could not be created for EnvelopedData object.\n", hr);
return hr;
}
if (FAILED(hr = Init()))
{
DebugTrace("Error [%#x]: CEnvelopedData::Init() failed inside CEnvelopedData::FinalConstruct().\n", hr);
return hr;
}
return CoCreateFreeThreadedMarshaler(
GetControllingUnknown(), &m_pUnkMarshaler.p);
}
void FinalRelease()
{
if (m_ContentBlob.pbData)
{
::CoTaskMemFree(m_ContentBlob.pbData);
}
m_pIAlgorithm.Release();
m_pIRecipients.Release();
m_pUnkMarshaler.Release();
}
CComPtr<IUnknown> m_pUnkMarshaler;
//
// IEnvelopedData
//
public:
STDMETHOD(Decrypt)
(/*[in]*/ BSTR EnvelopedMessage);
STDMETHOD(Encrypt)
(/*[in, defaultvalue(CAPICOM_BASE64_ENCODE)]*/ CAPICOM_ENCODING_TYPE EncodingType,
/*[out, retval]*/ BSTR * pVal);
STDMETHOD(get_Recipients)
(/*[out, retval]*/ IRecipients ** pVal);
STDMETHOD(get_Algorithm)
(/*[out, retval]*/ IAlgorithm ** pVal);
STDMETHOD(get_Content)
(/*[out, retval]*/ BSTR * pVal);
STDMETHOD(put_Content)
(/*[in]*/ BSTR newVal);
private:
CLock m_Lock;
DATA_BLOB m_ContentBlob;
CComPtr<IAlgorithm> m_pIAlgorithm;
CComPtr<IRecipients> m_pIRecipients;
BOOL m_bEnveloped;
STDMETHOD(Init)();
STDMETHOD(OpenToEncode)
(HCRYPTMSG * phMsg,
HCRYPTPROV * hCryptProv);
STDMETHOD(OpenToDecode)
(HCRYPTPROV hCryptProv,
BSTR EnvelopedMessage,
HCRYPTMSG * phMsg);
};
#endif //__ENVELOPEDDATA_H_