LCOV - code coverage report
Current view: top level - xmlsecurity/source/framework - signatureengine.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 3 63 4.8 %
Date: 2015-06-13 12:38:46 Functions: 1 8 12.5 %
Legend: Lines: hit not hit

          Line data    Source code
       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             : 
      21             : #include "signatureengine.hxx"
      22             : #include <com/sun/star/xml/crypto/XMLSignatureTemplate.hpp>
      23             : #include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp>
      24             : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
      25             : 
      26             : using namespace com::sun::star::uno;
      27             : namespace cssu = com::sun::star::uno;
      28             : namespace cssl = com::sun::star::lang;
      29             : namespace cssxc = com::sun::star::xml::crypto;
      30             : namespace cssxw = com::sun::star::xml::wrapper;
      31             : 
      32           2 : SignatureEngine::SignatureEngine( const Reference<XComponentContext> & xContext)
      33           2 :     : m_xContext(xContext), m_nTotalReferenceNumber(-1)
      34             : {
      35           2 : }
      36             : 
      37           0 : bool SignatureEngine::checkReady() const
      38             : /****** SignatureEngine/checkReady *******************************************
      39             :  *
      40             :  *   NAME
      41             :  *  checkReady -- checks the conditions for the main operation.
      42             :  *
      43             :  *   SYNOPSIS
      44             :  *  bReady = checkReady( );
      45             :  *
      46             :  *   FUNCTION
      47             :  *  checks whether all following conditions are satisfied:
      48             :  *  1. the main operation has't begun yet;
      49             :  *  2. the key material is known;
      50             :  *  3. the amount of reference is known;
      51             :  *  4. all of referenced elements, the key element and the signature
      52             :  *     template are bufferred.
      53             :  *
      54             :  *   INPUTS
      55             :  *  empty
      56             :  *
      57             :  *   RESULT
      58             :  *  bReady - true if all conditions are satisfied, false otherwise
      59             :  *
      60             :  *   AUTHOR
      61             :  *  Michael Mi
      62             :  *  Email: michael.mi@sun.com
      63             :  ******************************************************************************/
      64             : {
      65           0 :     bool rc = true;
      66             : 
      67           0 :     sal_Int32 nKeyInc = 0;
      68           0 :     if (m_nIdOfKeyEC != 0)
      69             :     {
      70           0 :         nKeyInc = 1;
      71             :     }
      72             : 
      73           0 :     if (m_bMissionDone ||
      74           0 :         m_nIdOfKeyEC == -1 ||
      75           0 :         m_nTotalReferenceNumber == -1 ||
      76           0 :         m_nTotalReferenceNumber+1+nKeyInc > m_nNumOfResolvedReferences)
      77             :     {
      78           0 :         rc = false;
      79             :     }
      80             : 
      81           0 :     return rc;
      82             : }
      83             : 
      84           0 : void SignatureEngine::tryToPerform( )
      85             :         throw (cssu::Exception, cssu::RuntimeException)
      86             : /****** SignatureEngine/tryToPerform *****************************************
      87             :  *
      88             :  *   NAME
      89             :  *  tryToPerform -- tries to perform the signature operation.
      90             :  *
      91             :  *   SYNOPSIS
      92             :  *  tryToPerform( );
      93             :  *
      94             :  *   FUNCTION
      95             :  *  if the situation is ready, perform following operations.
      96             :  *  1. prepares a signature template;
      97             :  *  2. calls the signature bridge component;
      98             :  *  3. clears up all used resources;
      99             :  *  4. notifies the result listener;
     100             :  *  5. sets the "accomplishment" flag.
     101             :  *
     102             :  *   INPUTS
     103             :  *  empty
     104             :  *
     105             :  *   RESULT
     106             :  *  empty
     107             :  *
     108             :  *   AUTHOR
     109             :  *  Michael Mi
     110             :  *  Email: michael.mi@sun.com
     111             :  ******************************************************************************/
     112             : {
     113           0 :     if (checkReady())
     114             :     {
     115             :         cssu::Reference < cssxc::XXMLSignatureTemplate >
     116           0 :             xSignatureTemplate = cssxc::XMLSignatureTemplate::create( m_xContext );
     117             : 
     118             :         cssu::Reference< cssxw::XXMLElementWrapper >
     119           0 :             xXMLElement = m_xSAXEventKeeper->getElement( m_nIdOfTemplateEC );
     120             : 
     121           0 :         xSignatureTemplate->setTemplate(xXMLElement);
     122             : 
     123           0 :         std::vector< sal_Int32 >::const_iterator ii = m_vReferenceIds.begin();
     124             : 
     125           0 :         for( ; ii != m_vReferenceIds.end() ; ++ii )
     126             :         {
     127           0 :             xXMLElement = m_xSAXEventKeeper->getElement( *ii );
     128           0 :             xSignatureTemplate->setTarget(xXMLElement);
     129             :         }
     130             : 
     131             :         /*
     132             :          * set the Uri binding
     133             :          */
     134           0 :         xSignatureTemplate->setBinding( this );
     135             : 
     136           0 :         startEngine( xSignatureTemplate );
     137             : 
     138             :         /*
     139             :          * done
     140             :          */
     141           0 :         clearUp( );
     142             : 
     143           0 :         notifyResultListener();
     144             : 
     145           0 :         m_bMissionDone = true;
     146             :     }
     147           0 : }
     148             : 
     149           0 : void SignatureEngine::clearUp( ) const
     150             : /****** SignatureEngine/clearUp **********************************************
     151             :  *
     152             :  *   NAME
     153             :  *  clearUp -- clear up all resources used by this operation.
     154             :  *
     155             :  *   SYNOPSIS
     156             :  *  clearUp( );
     157             :  *
     158             :  *   FUNCTION
     159             :  *  cleaning resources up includes:
     160             :  *  1. releases the ElementCollector for the signature template element;
     161             :  *  2. releases ElementCollectors for referenced elements;
     162             :  *  3. releases the ElementCollector for the key element, if there is one.
     163             :  *
     164             :  *   INPUTS
     165             :  *  empty
     166             :  *
     167             :  *   RESULT
     168             :  *  empty
     169             :  *
     170             :  *   AUTHOR
     171             :  *  Michael Mi
     172             :  *  Email: michael.mi@sun.com
     173             :  ******************************************************************************/
     174             : {
     175             :     cssu::Reference < cssxc::sax::XReferenceResolvedBroadcaster >
     176           0 :         xReferenceResolvedBroadcaster( m_xSAXEventKeeper, cssu::UNO_QUERY );
     177           0 :     xReferenceResolvedBroadcaster->removeReferenceResolvedListener(
     178             :         m_nIdOfTemplateEC,
     179           0 :         static_cast<const cssu::Reference < cssxc::sax::XReferenceResolvedListener > >(static_cast<SecurityEngine *>(const_cast<SignatureEngine *>(this))));
     180             : 
     181           0 :     m_xSAXEventKeeper->removeElementCollector(m_nIdOfTemplateEC);
     182             : 
     183           0 :     std::vector< sal_Int32 >::const_iterator ii = m_vReferenceIds.begin();
     184             : 
     185           0 :     for( ; ii != m_vReferenceIds.end() ; ++ii )
     186             :     {
     187           0 :         xReferenceResolvedBroadcaster->removeReferenceResolvedListener(
     188           0 :             *ii,
     189           0 :             static_cast<const cssu::Reference < cssxc::sax::XReferenceResolvedListener > >(static_cast<SecurityEngine *>(const_cast<SignatureEngine *>(this))));
     190           0 :         m_xSAXEventKeeper->removeElementCollector(*ii);
     191             :     }
     192             : 
     193           0 :     if (m_nIdOfKeyEC != 0 && m_nIdOfKeyEC != -1)
     194             :     {
     195           0 :         m_xSAXEventKeeper->removeElementCollector(m_nIdOfKeyEC);
     196           0 :     }
     197           0 : }
     198             : 
     199             : /* XReferenceCollector */
     200           0 : void SAL_CALL SignatureEngine::setReferenceCount( sal_Int32 count )
     201             :     throw (cssu::Exception, cssu::RuntimeException, std::exception)
     202             : {
     203           0 :     m_nTotalReferenceNumber = count;
     204           0 :     tryToPerform();
     205           0 : }
     206             : 
     207           0 : void SAL_CALL SignatureEngine::setReferenceId( sal_Int32 id )
     208             :     throw (cssu::Exception, cssu::RuntimeException, std::exception)
     209             : {
     210           0 :     m_vReferenceIds.push_back( id );
     211           0 : }
     212             : 
     213             : /* XUriBinding */
     214           0 : void SAL_CALL SignatureEngine::setUriBinding(
     215             :     const OUString& uri,
     216             :     const cssu::Reference< com::sun::star::io::XInputStream >& aInputStream )
     217             :     throw (cssu::Exception, cssu::RuntimeException, std::exception)
     218             : {
     219           0 :     m_vUris.push_back(uri);
     220           0 :     m_vXInputStreams.push_back(aInputStream);
     221           0 : }
     222             : 
     223           0 : cssu::Reference< com::sun::star::io::XInputStream > SAL_CALL SignatureEngine::getUriBinding( const OUString& uri )
     224             :     throw (cssu::Exception, cssu::RuntimeException, std::exception)
     225             : {
     226           0 :     cssu::Reference< com::sun::star::io::XInputStream > xInputStream;
     227             : 
     228           0 :     int size = m_vUris.size();
     229             : 
     230           0 :     for( int i=0; i<size; ++i)
     231             :     {
     232           0 :         if (m_vUris[i] == uri)
     233             :         {
     234           0 :             xInputStream = m_vXInputStreams[i];
     235           0 :             break;
     236             :         }
     237             :     }
     238             : 
     239           0 :     return xInputStream;
     240             : }
     241             : 
     242             : 
     243             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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