writerfilter/source/dmapper/WriteProtection.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "WriteProtection.hxx"
  21 #include "TagLogger.hxx"
  22
  23 #include <comphelper/propertyvalue.hxx>
  24 #include <ooxml/resourceids.hxx>
  25
  26 using namespace com::sun::star;
  27
  28 namespace writerfilter::dmapper
  29 {
  30 WriteProtection::WriteProtection()
  31     : LoggedProperties("WriteProtection")
  32     , m_nCryptProviderType(NS_ooxml::LN_Value_doc_ST_CryptProv_rsaAES)
  33     , m_CryptSpinCount(0)
  34     , m_bRecommended(false)
  35 {
  36 }
  37
  38 WriteProtection::~WriteProtection() {}
  39
  40 void WriteProtection::lcl_attribute(Id nName, Value& val)
  41 {
  42     int nIntValue = val.getInt();
  43     OUString sStringValue = val.getString();
  44
  45     switch (nName)
  46     {
  47         case NS_ooxml::LN_AG_Password_cryptProviderType: // 92025
  48             m_nCryptProviderType = nIntValue;
  49             break;
  50         case NS_ooxml::LN_AG_Password_cryptAlgorithmClass: // 92026
  51             if (nIntValue == NS_ooxml::LN_Value_doc_ST_AlgClass_hash) // 92023
  52                 m_sCryptAlgorithmClass = "hash";
  53             break;
  54         case NS_ooxml::LN_AG_Password_cryptAlgorithmType: // 92027
  55             if (nIntValue == NS_ooxml::LN_Value_doc_ST_AlgType_typeAny) // 92024
  56                 m_sCryptAlgorithmType = "typeAny";
  57             break;
  58         case NS_ooxml::LN_AG_Password_cryptAlgorithmSid: // 92028
  59         {
  60             sal_Int32 nCryptAlgorithmSid = sStringValue.toInt32();
  61             switch (nCryptAlgorithmSid)
  62             {
  63                 case 1:
  64                     m_sAlgorithmName = "MD2";
  65                     break;
  66                 case 2:
  67                     m_sAlgorithmName = "MD4";
  68                     break;
  69                 case 3:
  70                     m_sAlgorithmName = "MD5";
  71                     break;
  72                 case 4:
  73                     m_sAlgorithmName = "SHA-1";
  74                     break;
  75                 case 5:
  76                     m_sAlgorithmName = "MAC";
  77                     break;
  78                 case 6:
  79                     m_sAlgorithmName = "RIPEMD";
  80                     break;
  81                 case 7:
  82                     m_sAlgorithmName = "RIPEMD-160";
  83                     break;
  84                 case 9:
  85                     m_sAlgorithmName = "HMAC";
  86                     break;
  87                 case 12:
  88                     m_sAlgorithmName = "SHA-256";
  89                     break;
  90                 case 13:
  91                     m_sAlgorithmName = "SHA-384";
  92                     break;
  93                 case 14:
  94                     m_sAlgorithmName = "SHA-512";
  95                     break;
  96                 default:; // 8, 10, 11, any other value: Undefined.
  97             }
  98         }
  99         break;
 100         case NS_ooxml::LN_AG_Password_cryptSpinCount: // 92029
 101             m_CryptSpinCount = nIntValue;
 102             break;
 103         case NS_ooxml::LN_AG_Password_hash: // 92035
 104             m_sHash = sStringValue;
 105             break;
 106         case NS_ooxml::LN_AG_Password_salt: // 92036
 107             m_sSalt = sStringValue;
 108             break;
 109         case NS_ooxml::LN_CT_WriteProtection_recommended:
 110             m_bRecommended = nIntValue;
 111             break;
 112         default:
 113         {
 114 #ifdef DBG_UTIL
 115             TagLogger::getInstance().element("unhandled");
 116 #endif
 117         }
 118     }
 119 }
 120
 121 void WriteProtection::lcl_sprm(Sprm& /*rSprm*/) {}
 122
 123 uno::Sequence<beans::PropertyValue> WriteProtection::toSequence() const
 124 {
 125     uno::Sequence<beans::PropertyValue> aResult;
 126     if (!m_sAlgorithmName.isEmpty() && !m_sSalt.isEmpty() && !m_sHash.isEmpty()
 127         && m_sCryptAlgorithmClass == "hash" && m_sCryptAlgorithmType == "typeAny")
 128     {
 129         aResult = { comphelper::makePropertyValue("algorithm-name", m_sAlgorithmName),
 130                     comphelper::makePropertyValue("salt", m_sSalt),
 131                     comphelper::makePropertyValue("iteration-count", m_CryptSpinCount),
 132                     comphelper::makePropertyValue("hash", m_sHash) };
 133     }
 134
 135     return aResult;
 136 }
 137
 138 } //namespace writerfilter::dmapper
 139
 140 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */