void CXmlItem::Copy(const CXmlItem& xi, BOOL bCopySiblings)
{
Reset();
// copy own name and value
m_sName = xi.GetName();
m_sValue = xi.GetValue();
m_nType = xi.GetType();
// copy siblings
if (bCopySiblings)
{
const CXmlItem* pXISibling = xi.GetSibling();
if (pXISibling)
m_pSibling = new CXmlItem(*pXISibling, m_pParent);
}
// copy children
POSITION pos = xi.GetFirstItemPos();
while (pos)
{
const CXmlItem* pXIChild = xi.GetNextItem(pos);
ASSERT (pXIChild);
AddItem(*pXIChild, TRUE);
}
}
BOOL CXmlFileEx::Decrypt(LPCTSTR szPassword)
{
if (!IsEncrypted())
return TRUE; // nothing to do
// we don't try to decrypt if no encryption capabilities
if (!CanEncrypt())
{
m_nFileError = XFL_NOENCRYPTIONDLL;
return FALSE;
}
// use existing password if required
if (!szPassword)
szPassword = m_sPassword;
CXmlItem* pXI = GetEncryptedBlock();
if (pXI && !pXI->GetSibling())
{
// else keep getting password till success or user cancels
while (TRUE)
{
CString sPassword(szPassword);
if (sPassword.IsEmpty())
{
CString sExplanation(s_sPasswordExplanation);
if (sExplanation.Find(_T("%s")) != -1)
sExplanation.Format(s_sPasswordExplanation, GetFileName());
if (!CPasswordDialog::RetrievePassword(FALSE, sPassword, sExplanation))
{
// RB - Set m_nFileError to avoid "The selected task list could not be opened..." message when cancelling
m_nFileError = XFL_CANCELLED;
return FALSE;
}
}
CString sFile;
if (Decrypt(pXI->GetValue(), sFile, sPassword))
{
m_sPassword = sPassword;
sFile.TrimLeft();
sFile.TrimRight();
sFile = _T("<ROOT>") + sFile + _T("</ROOT>");
// delete the cdata item
m_xiRoot.DeleteItem(pXI);
try
{
CXmlDocumentWrapper doc;
// reparse decrypted xml
if (doc.LoadXML(sFile))
{
CXmlNodeWrapper node(doc.AsNode());
return ParseItem(m_xiRoot, &node);
}
}
catch (...)
{
m_nFileError = XFL_BADMSXML;
}
return FALSE;
}
// RB - Added code to format the error message before calling AfxMessage
else
{
CEnString sMessage(s_sDecryptFailed, GetFileName());
if (IDNO == AfxMessageBox(sMessage, MB_YESNO))
{
m_nFileError = XFL_CANCELLED;
return FALSE;
}
// else user will try again
}
}
}
// else
m_nFileError = XFL_UNKNOWNENCRYPTION;
return FALSE;
}
