Files
core/ASCOfficePPTFile/PPTFormatLib/Records/UserEditAtom.h
ElenaSubbotina b8ad1797f0 PpfFormat - read crypted files
RC4 CryptoAPI encrypting
2017-06-16 16:33:09 +03:00

108 lines
3.7 KiB
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 "../Reader/Records.h"
class CRecordUserEditAtom : public CUnknownRecord
{
public:
DWORD m_nLastSlideIdRef;
USHORT m_nVersion; // must be 0x0000
BYTE m_nMinorVersion; // must be 0x00
BYTE m_nMajorVersion; // must be 0x03
DWORD m_nOffsetLastEdit; // offset to prev UserEditAtom (0 - if no)
DWORD m_nOffsetPersistDirectory; // offset to PersistDirectoryAtom in PPTDocStream (for this user)
DWORD m_nOffsetDocPersistIdRef; // offset to PersistObjectDirectory in DocContainer must be 0x00000001
DWORD m_nPersistIdSeed; // for next
DWORD m_nEncryptSessionPersistIdRef;
USHORT m_nLastView;
public:
CRecordUserEditAtom()
{
m_nEncryptSessionPersistIdRef = 0;
}
~CRecordUserEditAtom()
{
}
virtual void ReadFromStream(SRecordHeader & oHeader, POLE::Stream* pStream)
{
m_oHeader = oHeader;
m_nLastSlideIdRef = StreamUtils::ReadDWORD(pStream);
m_nVersion = StreamUtils::ReadWORD(pStream);
m_nMinorVersion = StreamUtils::ReadBYTE(pStream);
m_nMajorVersion = StreamUtils::ReadBYTE(pStream);
m_nOffsetLastEdit = StreamUtils::ReadDWORD(pStream);
m_nOffsetPersistDirectory = StreamUtils::ReadDWORD(pStream);
m_nOffsetDocPersistIdRef = StreamUtils::ReadDWORD(pStream);
m_nPersistIdSeed = StreamUtils::ReadDWORD(pStream);
m_nLastView = StreamUtils::ReadWORD(pStream);
StreamUtils::StreamSkip(2, pStream);
if (m_oHeader.RecLen > 28)
{
m_nEncryptSessionPersistIdRef = StreamUtils::ReadDWORD(pStream);
}
}
CRecordUserEditAtom& operator =(const CRecordUserEditAtom& oSrc)
{
m_nLastSlideIdRef = oSrc.m_nLastSlideIdRef;
m_nVersion = oSrc.m_nVersion;
m_nMinorVersion = oSrc.m_nMinorVersion;
m_nMajorVersion = oSrc.m_nMajorVersion;
m_nOffsetLastEdit = oSrc.m_nOffsetLastEdit;
m_nOffsetPersistDirectory = oSrc.m_nOffsetPersistDirectory;
m_nOffsetDocPersistIdRef = oSrc.m_nOffsetDocPersistIdRef;
m_nPersistIdSeed = oSrc.m_nPersistIdSeed;
m_nLastView = oSrc.m_nLastView;
m_nEncryptSessionPersistIdRef = oSrc.m_nEncryptSessionPersistIdRef;
return (*this);
}
};