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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
/*
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* Copyright (C) Ascensio System SIA, 2009-2026
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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, together with the
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* additional terms provided in the LICENSE file.
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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: https://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA by email at info@onlyoffice.com
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* or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
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* LV-1050, Latvia, European Union.
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*
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* The interactive user interfaces in modified versions of the Program
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* are required to display Appropriate Legal Notices in accordance with
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* Section 5 of the GNU AGPL version 3.
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*
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* No trademark rights are granted under this License.
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*
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* All non-code elements of the Product, including illustrations,
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* icon sets, and technical writing content, are licensed under the
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* Creative Commons Attribution-ShareAlike 4.0 International License:
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* https://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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* This license applies only to such non-code elements and does not
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* modify or replace the licensing terms applicable to the Program's
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* source code, which remains licensed under the GNU Affero General
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* Public License v3.
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*
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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#ifndef _PDF_WRITER_SRC_ENCRYPT_DICTIONARY_H
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#define _PDF_WRITER_SRC_ENCRYPT_DICTIONARY_H
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#include "Objects.h"
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namespace PdfWriter
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{
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class CEncrypt;
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class CInfoDict;
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class CStream;
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class CEncryptDict : public CDictObject
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{
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public:
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CEncryptDict();
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CEncryptDict(CXref* pXref);
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void Fix();
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~CEncryptDict();
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EDictType GetDictType() const
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{
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return dict_type_ENCRYPT;
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}
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static void CreateId(CInfoDict* pDict, CXref* pXref, BYTE* pBuffer);
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void SetPasswords(const std::wstring & wsOwnerPassword, const std::wstring & wsUserPassword);
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void Prepare(CInfoDict* pInfo, CXref* pXref);
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CEncrypt* GetEncrypt() const
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{
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return m_pEncrypt;
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}
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bool UpdateKey(int nCryptAlgorithm);
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private:
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CEncrypt* m_pEncrypt;
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std::string PadOrTrancatePassword(const std::wstring & wsPassword);
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};
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class CSignatureDict : public CDictObject
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{
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public:
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CSignatureDict(CXref* pXref);
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~CSignatureDict();
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EDictType GetDictType() const override
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{
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return dict_type_SIGNATURE;
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}
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void WriteToStream(CStream* pStream, CEncrypt* pEncrypt) override;
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void WriteToStream(CStream* pStream, int nFileEnd);
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bool FinalizeSignature(CStream* pStream, BYTE* pSignedData, DWORD dwDataLength);
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void SetContentsSize(unsigned int nSize);
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void SetName(const std::string& sName);
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void SetLocation(const std::string& sLocation);
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void SetReason(const std::string& sReason);
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void SetContact(const std::string& sContacts);
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void SetDate();
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private:
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unsigned int m_nContentsSize; // Contents size
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int m_nLen1; // First interval length
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int m_nOffset2; // Second interval start
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int m_nByteRangeBegin; // ByteRange array start offset
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int m_nByteRangeEnd; // ByteRange array end offset
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};
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}
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#endif // _PDF_WRITER_SRC_ENCRYPT_DICTIONARY_H
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