108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2023
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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#include "ExOleObjAtom.h"
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using namespace PPT;
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void CRecordExOleObjAtom::ReadFromStream(SRecordHeader &oHeader, POLE::Stream *pStream)
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{
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m_oHeader = oHeader;
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m_nDrawAspect = StreamUtils::ReadDWORD(pStream);
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m_nType = StreamUtils::ReadDWORD(pStream);
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m_nExObjID = StreamUtils::ReadDWORD(pStream);
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m_nSubType = StreamUtils::ReadDWORD(pStream);
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m_nPersistID = StreamUtils::ReadDWORD(pStream);
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StreamUtils::StreamSkip ( 4, pStream ); //unused
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}
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CRecordExOleObjStg::CRecordExOleObjStg(std::wstring strTemp) : m_strTmpDirectory(strTemp)
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{
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}
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CRecordExOleObjStg::~CRecordExOleObjStg()
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{
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}
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void CRecordExOleObjStg::ReadFromStream(SRecordHeader &oHeader, POLE::Stream *pStream)
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{
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m_oHeader = oHeader;
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ULONG decompressedSize = m_oHeader.RecLen, compressedSize = m_oHeader.RecLen;
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if (m_oHeader.RecInstance == 0x01)
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{
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compressedSize = m_oHeader.RecLen - 4;
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decompressedSize = StreamUtils::ReadDWORD(pStream);
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}
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BYTE* pData = (compressedSize > 0 && compressedSize < 0xffffff ) ? new BYTE[compressedSize] : NULL;
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if (!pData) return;
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compressedSize = pStream->read(pData, compressedSize);
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if (m_oHeader.RecInstance == 0x01)
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{
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BYTE* pDataUncompress = (compressedSize > 0 && compressedSize < 0xffffff) ? new BYTE[decompressedSize + 64] : NULL;
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if ((pDataUncompress) && (NSZip::Decompress(pData, compressedSize, pDataUncompress, decompressedSize)))
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{
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delete []pData;
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pData = pDataUncompress;
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}
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else
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{
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delete []pData;
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pData = NULL;
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}
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}
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//if (pDecryptor)
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//{
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// pDecryptor->Decrypt((char*)pData, oHeader.RecLen - lOffset, 0);
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//}
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if (pData)
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{
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m_sFileName = m_strTmpDirectory + FILE_SEPARATOR_STR + L"oleObject_xxx.bin";
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NSFile::CFileBinary file;
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if (file.CreateFileW(m_sFileName))
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{
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file.WriteFile(pData, decompressedSize);
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file.CloseFile();
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}
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delete[] pData;
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pData = NULL;
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}
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}
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