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core/ASCOfficePPTFile/PPTFormatLib/Records/CurrentUserAtom.h
Alexander.Trofimov 04d197375c change license to 2017
2017-01-17 18:17:26 +03:00

111 lines
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C++

/*
* (c) Copyright Ascensio System SIA 2010-2017
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
* EU, LV-1021.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#pragma once
#include "../Records/RecordsIncluder.h"
#define NO_ENCRYPT 0xE391C05F
#define ENCRYPT 0xF3D1C4DF
class CRecordCurrentUserAtom : public CUnknownRecord
{
public:
DWORD m_nSize; // must be 0x00000014
DWORD m_nToken; // encrypt or not
DWORD m_nOffsetToCurEdit; // offset to UserEditAtom in PPTDocStream
USHORT m_nLenUserName;
USHORT m_nDocFileVersion; // must be 0x03F4
BYTE m_nMajorVersion; // must be 0x03
BYTE m_nMinorVersion; // must be 0x00
std::string m_strANSIUserName;
std::wstring m_strUNICODEUserName;
DWORD m_nRelVersion; // 0x00000008 or 0x00000009
public:
CRecordCurrentUserAtom() : m_nToken(0)
{
m_nRelVersion = m_nDocFileVersion = m_nMinorVersion = m_nMajorVersion = m_nLenUserName = m_nOffsetToCurEdit = 0;
m_nSize = m_nToken =0;
}
~CRecordCurrentUserAtom()
{
}
virtual void ReadFromStream(SRecordHeader & oHeader, POLE::Stream * pStream)
{
m_oHeader = oHeader;
m_nSize = StreamUtils::ReadDWORD(pStream);
long sz = pStream->size() - pStream->tell();
if (m_nSize > sz )
{
m_nSize = sz ;
}
if (m_nSize < 16) return;
m_nToken = StreamUtils::ReadDWORD(pStream);
m_nOffsetToCurEdit = StreamUtils::ReadDWORD(pStream);
m_nLenUserName = StreamUtils::ReadWORD(pStream);
m_nDocFileVersion = StreamUtils::ReadWORD(pStream);
m_nMajorVersion = StreamUtils::ReadBYTE(pStream);
m_nMinorVersion = StreamUtils::ReadBYTE(pStream);
StreamUtils::StreamSkip(2, pStream);
m_strANSIUserName = StreamUtils::ReadStringA(pStream, m_nLenUserName);
m_nRelVersion = StreamUtils::ReadDWORD(pStream);
m_strUNICODEUserName = StreamUtils::ReadStringW(pStream, m_nLenUserName );
}
bool IsSupported()
{
return (NO_ENCRYPT == m_nToken);
}
};