280 lines
7.9 KiB
C++
280 lines
7.9 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: signatureengine.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: rt $ $Date: 2005-09-09 17:19:32 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#include "signatureengine.hxx"
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#ifndef _COM_SUN_STAR_XML_CRYPTO_XXMLSIGNATURETEMPLATE_HPP_
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#include <com/sun/star/xml/crypto/XXMLSignatureTemplate.hpp>
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#endif
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#ifndef _COM_SUN_STAR_XML_WRAPPER_XXMLELEMENTWRAPPER_HPP_
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#include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp>
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#endif
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#ifndef _COM_SUN_STAR_LANG_XMULTISERVICEFACTORY_HPP_
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#endif
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namespace cssu = com::sun::star::uno;
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namespace cssl = com::sun::star::lang;
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namespace cssxc = com::sun::star::xml::crypto;
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namespace cssxw = com::sun::star::xml::wrapper;
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#define SIGNATURE_TEMPLATE "com.sun.star.xml.crypto.XMLSignatureTemplate"
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#define DECLARE_ASCII( SASCIIVALUE ) \
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rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SASCIIVALUE ) )
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SignatureEngine::SignatureEngine( )
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:m_nTotalReferenceNumber(-1)
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{
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}
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bool SignatureEngine::checkReady() const
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/****** SignatureEngine/checkReady *******************************************
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*
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* NAME
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* checkReady -- checks the conditions for the main operation.
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*
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* SYNOPSIS
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* bReady = checkReady( );
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*
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* FUNCTION
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* checks whether all following conditions are satisfied:
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* 1. the main operation has't begun yet;
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* 2. the key material is known;
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* 3. the amount of reference is known;
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* 4. all of referenced elements, the key element and the signature
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* template are bufferred.
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*
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* INPUTS
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* empty
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*
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* RESULT
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* bReady - true if all conditions are satisfied, false otherwise
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*
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* HISTORY
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* 05.01.2004 - implemented
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*
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* AUTHOR
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* Michael Mi
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* Email: michael.mi@sun.com
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******************************************************************************/
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{
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bool rc = true;
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sal_Int32 nKeyInc = 0;
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if (m_nIdOfKeyEC != 0)
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{
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nKeyInc = 1;
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}
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if (m_bMissionDone ||
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m_nIdOfKeyEC == -1 ||
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m_nTotalReferenceNumber == -1 ||
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m_nTotalReferenceNumber+1+nKeyInc > m_nNumOfResolvedReferences)
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{
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rc = false;
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}
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return rc;
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}
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void SignatureEngine::tryToPerform( )
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throw (cssu::Exception, cssu::RuntimeException)
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/****** SignatureEngine/tryToPerform *****************************************
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*
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* NAME
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* tryToPerform -- tries to perform the signature operation.
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*
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* SYNOPSIS
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* tryToPerform( );
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*
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* FUNCTION
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* if the situation is ready, perform following operations.
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* 1. prepares a signature template;
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* 2. calls the signature bridge component;
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* 3. clears up all used resources;
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* 4. notifies the result listener;
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* 5. sets the "accomplishment" flag.
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*
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* INPUTS
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* empty
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*
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* RESULT
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* empty
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*
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* HISTORY
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* 05.01.2004 - implemented
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*
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* AUTHOR
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* Michael Mi
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* Email: michael.mi@sun.com
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******************************************************************************/
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{
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if (checkReady())
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{
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const rtl::OUString ouSignatureTemplate (
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RTL_CONSTASCII_USTRINGPARAM( SIGNATURE_TEMPLATE ) );
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cssu::Reference < cssxc::XXMLSignatureTemplate >
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xSignatureTemplate( mxMSF->createInstance( ouSignatureTemplate ), cssu::UNO_QUERY );
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OSL_ASSERT( xSignatureTemplate.is() );
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cssu::Reference< cssxw::XXMLElementWrapper >
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xXMLElement = m_xSAXEventKeeper->getElement( m_nIdOfTemplateEC );
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xSignatureTemplate->setTemplate(xXMLElement);
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std::vector< sal_Int32 >::const_iterator ii = m_vReferenceIds.begin();
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for( ; ii != m_vReferenceIds.end() ; ++ii )
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{
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xXMLElement = m_xSAXEventKeeper->getElement( *ii );
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xSignatureTemplate->setTarget(xXMLElement);
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}
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/*
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* set the Uri binding
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*/
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xSignatureTemplate->setBinding( this );
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startEngine( xSignatureTemplate );
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/*
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* done
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*/
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clearUp( );
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notifyResultListener();
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m_bMissionDone = true;
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}
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}
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void SignatureEngine::clearUp( ) const
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/****** SignatureEngine/clearUp **********************************************
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*
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* NAME
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* clearUp -- clear up all resources used by this operation.
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*
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* SYNOPSIS
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* clearUp( );
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*
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* FUNCTION
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* cleaning resources up includes:
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* 1. releases the ElementCollector for the signature template element;
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* 2. releases ElementCollectors for referenced elements;
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* 3. releases the ElementCollector for the key element, if there is one.
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*
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* INPUTS
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* empty
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*
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* RESULT
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* empty
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*
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* HISTORY
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* 05.01.2004 - implemented
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*
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* AUTHOR
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* Michael Mi
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* Email: michael.mi@sun.com
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******************************************************************************/
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{
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cssu::Reference < cssxc::sax::XReferenceResolvedBroadcaster >
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xReferenceResolvedBroadcaster( m_xSAXEventKeeper, cssu::UNO_QUERY );
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xReferenceResolvedBroadcaster->removeReferenceResolvedListener(
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m_nIdOfTemplateEC,
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(const cssu::Reference < cssxc::sax::XReferenceResolvedListener >)((SecurityEngine *)this));
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m_xSAXEventKeeper->removeElementCollector(m_nIdOfTemplateEC);
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std::vector< sal_Int32 >::const_iterator ii = m_vReferenceIds.begin();
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for( ; ii != m_vReferenceIds.end() ; ++ii )
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{
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xReferenceResolvedBroadcaster->removeReferenceResolvedListener(
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*ii,
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(const cssu::Reference < cssxc::sax::XReferenceResolvedListener >)((SecurityEngine *)this));
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m_xSAXEventKeeper->removeElementCollector(*ii);
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}
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if (m_nIdOfKeyEC != 0 && m_nIdOfKeyEC != -1)
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{
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m_xSAXEventKeeper->removeElementCollector(m_nIdOfKeyEC);
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}
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}
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/* XReferenceCollector */
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void SAL_CALL SignatureEngine::setReferenceCount( sal_Int32 count )
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throw (cssu::Exception, cssu::RuntimeException)
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{
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m_nTotalReferenceNumber = count;
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tryToPerform();
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}
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void SAL_CALL SignatureEngine::setReferenceId( sal_Int32 id )
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throw (cssu::Exception, cssu::RuntimeException)
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{
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m_vReferenceIds.push_back( id );
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}
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/* XUriBinding */
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void SAL_CALL SignatureEngine::setUriBinding(
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const rtl::OUString& uri,
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const cssu::Reference< com::sun::star::io::XInputStream >& aInputStream )
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throw (cssu::Exception, cssu::RuntimeException)
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{
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m_vUris.push_back(uri);
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m_vXInputStreams.push_back(aInputStream);
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}
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cssu::Reference< com::sun::star::io::XInputStream > SAL_CALL SignatureEngine::getUriBinding( const rtl::OUString& uri )
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throw (cssu::Exception, cssu::RuntimeException)
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{
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cssu::Reference< com::sun::star::io::XInputStream > xInputStream;
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int size = m_vUris.size();
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for( int i=0; i<size; ++i)
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{
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if (m_vUris[i] == uri)
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{
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xInputStream = m_vXInputStreams[i];
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break;
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}
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}
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return xInputStream;
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}
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