package/source/zipapi/sha1context.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 <sal/config.h>
  21
  22 #include <com/sun/star/lang/DisposedException.hpp>
  23 #include <rtl/digest.h>
  24 #include <rtl/ref.hxx>
  25
  26 #include "sha1context.hxx"
  27
  28 using namespace ::com::sun::star;
  29
  30 // static
  31 uno::Reference<xml::crypto::XDigestContext> StarOfficeSHA1DigestContext::Create()
  32 {
  33     ::rtl::Reference<StarOfficeSHA1DigestContext> xResult = new StarOfficeSHA1DigestContext();
  34     xResult->m_pDigest = rtl_digest_createSHA1();
  35     if ( !xResult->m_pDigest )
  36         throw uno::RuntimeException(u"Can not create cipher!"_ustr );
  37
  38     return xResult;
  39 }
  40
  41 StarOfficeSHA1DigestContext::~StarOfficeSHA1DigestContext()
  42 {
  43     if ( m_pDigest )
  44     {
  45         rtl_digest_destroySHA1( m_pDigest );
  46         m_pDigest = nullptr;
  47     }
  48 }
  49
  50 void SAL_CALL StarOfficeSHA1DigestContext::updateDigest(const uno::Sequence<::sal_Int8>& aData)
  51 {
  52     std::scoped_lock aGuard( m_aMutex );
  53     if ( !m_pDigest )
  54         throw lang::DisposedException();
  55
  56     if ( rtl_Digest_E_None != rtl_digest_updateSHA1( m_pDigest, aData.getConstArray(), aData.getLength() ) )
  57     {
  58         rtl_digest_destroySHA1( m_pDigest );
  59         m_pDigest = nullptr;
  60
  61         throw uno::RuntimeException();
  62     }
  63 }
  64
  65 uno::Sequence<::sal_Int8> SAL_CALL StarOfficeSHA1DigestContext::finalizeDigestAndDispose()
  66 {
  67     std::scoped_lock aGuard( m_aMutex );
  68     if ( !m_pDigest )
  69         throw lang::DisposedException();
  70
  71     uno::Sequence< sal_Int8 > aResult( RTL_DIGEST_LENGTH_SHA1 );
  72     if ( rtl_Digest_E_None != rtl_digest_getSHA1( m_pDigest, reinterpret_cast< sal_uInt8* >( aResult.getArray() ), aResult.getLength() ) )
  73     {
  74         rtl_digest_destroySHA1( m_pDigest );
  75         m_pDigest = nullptr;
  76
  77         throw uno::RuntimeException();
  78     }
  79
  80     rtl_digest_destroySHA1( m_pDigest );
  81     m_pDigest = nullptr;
  82
  83     return aResult;
  84 }
  85
  86 uno::Reference<xml::crypto::XDigestContext> CorrectSHA1DigestContext::Create()
  87 {
  88     return new CorrectSHA1DigestContext();
  89 }
  90
  91 CorrectSHA1DigestContext::CorrectSHA1DigestContext()
  92 {
  93 }
  94
  95 CorrectSHA1DigestContext::~CorrectSHA1DigestContext()
  96 {
  97 }
  98
  99 void SAL_CALL CorrectSHA1DigestContext::updateDigest(const uno::Sequence<::sal_Int8>& rData)
 100 {
 101     std::scoped_lock aGuard(m_Mutex);
 102     if (m_bDisposed)
 103         throw lang::DisposedException();
 104
 105     m_Hash.update(reinterpret_cast<unsigned char const*>(rData.getConstArray()), rData.getLength());
 106 }
 107
 108 uno::Sequence<::sal_Int8> SAL_CALL CorrectSHA1DigestContext::finalizeDigestAndDispose()
 109 {
 110     std::scoped_lock aGuard(m_Mutex);
 111     if (m_bDisposed)
 112         throw lang::DisposedException();
 113
 114     m_bDisposed = true;
 115     std::vector<unsigned char> const sha1(m_Hash.finalize());
 116     return uno::Sequence<sal_Int8>(reinterpret_cast<sal_Int8 const*>(sha1.data()), sha1.size());
 117 }
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */