windows-server-2003/admin/snapin/certmgr/crl.cpp

//+---------------------------------------------------------------------------
//
//  Microsoft Windows
//  Copyright (C) Microsoft Corporation, 1997-2002.
//
//  File:       CRL.cpp
//
//  Contents:   implementation of the CCRL class.
//
//----------------------------------------------------------------------------

#include "stdafx.h"
#include "CRL.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CCRL::CCRL(const PCCRL_CONTEXT pCRLContext, CCertStore& rCertStore) :
    CCertMgrCookie (CERTMGR_CRL),
    m_pCRLContext (::CertDuplicateCRLContext (pCRLContext)),
    m_rCertStore (rCertStore),
    m_pCRLInfo (0)
{
    ASSERT (CERTMGR_CRL == m_objecttype);
    m_rCertStore.AddRef ();
    ASSERT (m_pCRLContext);
    if ( m_pCRLContext )
        m_pCRLInfo = m_pCRLContext->pCrlInfo;
}

CCRL::~CCRL()
{
    ASSERT (CERTMGR_CRL == m_objecttype);
    m_rCertStore.Release ();
    if ( m_pCRLContext )
        ::CertFreeCRLContext (m_pCRLContext);
}

PCCRL_CONTEXT CCRL::GetCRLContext() const
{
    ASSERT (CERTMGR_CRL == m_objecttype);
    return m_pCRLContext;
}

CCertStore& CCRL::GetCertStore() const  
{
    ASSERT (CERTMGR_CRL == m_objecttype);
    return m_rCertStore;
}

CString CCRL::GetIssuerName ()
{
    ASSERT (CERTMGR_CRL == m_objecttype);
    ASSERT (m_pCRLInfo);
    if ( m_pCRLInfo )
    {
        // Decode issuer name if not already present
        if ( m_szIssuerName.IsEmpty () )
        {
            HRESULT hResult = ConvertNameBlobToString (m_pCRLInfo->Issuer, 
                    m_szIssuerName);
            if ( !SUCCEEDED (hResult) )
                return _T("");
        }
    }
    else
        return _T("");


    return m_szIssuerName;
}

CString CCRL::GetEffectiveDate()
{
    ASSERT (CERTMGR_CRL == m_objecttype);
    ASSERT (m_pCRLInfo);
    if ( m_pCRLInfo )
    {
        // Format date/time string if not already present
        if ( m_szEffectiveDate.IsEmpty () )
        {
            HRESULT hResult = FormatDate (m_pCRLInfo->ThisUpdate, m_szEffectiveDate);
            if ( !SUCCEEDED (hResult) )
                m_szEffectiveDate = _T("");
        }
    }
    else
        m_szEffectiveDate = _T("");

    return m_szEffectiveDate;
}

CString CCRL::GetNextUpdate()
{
    ASSERT (CERTMGR_CRL == m_objecttype);
    ASSERT (m_pCRLInfo);
    if ( m_pCRLInfo )
    {
        // Format date/time string if not already present
        if ( m_szNextUpdate.IsEmpty () )
        {
            HRESULT hResult = FormatDate (m_pCRLInfo->NextUpdate, m_szNextUpdate);
            if ( !SUCCEEDED (hResult) )
                m_szNextUpdate = _T("");
        }
    }
    else
        m_szNextUpdate = _T("");

    return m_szNextUpdate;
}


int CCRL::CompareEffectiveDate (const CCRL& crl) const
{
    ASSERT (CERTMGR_CRL == m_objecttype);
    int compVal = 0;

    ASSERT (m_pCRLInfo && crl.m_pCRLInfo);
    if ( m_pCRLInfo && crl.m_pCRLInfo )
    {
        compVal = ::CompareFileTime (&m_pCRLInfo->ThisUpdate, 
                &crl.m_pCRLInfo->ThisUpdate);
    }

    return compVal;
}

int CCRL::CompareNextUpdate (const CCRL& crl) const
{
    ASSERT (CERTMGR_CRL == m_objecttype);
    int compVal = 0;

    ASSERT (m_pCRLInfo && crl.m_pCRLInfo);
    if ( m_pCRLInfo && crl.m_pCRLInfo )
    {
        compVal = ::CompareFileTime (&m_pCRLInfo->NextUpdate, 
                &crl.m_pCRLInfo->NextUpdate);
    }

    return compVal;
}

void CCRL::Refresh()
{
    m_szEffectiveDate = L"";
    m_szIssuerName = L"";
    m_szNextUpdate = L"";
}

BOOL CCRL::DeleteFromStore()
{
    BOOL    bResult = FALSE;
    ASSERT (m_pCRLContext);
    if ( m_pCRLContext )
    {
        bResult = ::CertDeleteCRLFromStore (
                ::CertDuplicateCRLContext (m_pCRLContext));
        if ( bResult )
            m_rCertStore.SetDirty ();
    }

    return bResult;
}