/************************************************************** * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ // MARKER(update_precomp.py): autogen include statement, do not remove #include "precompiled_xmlsecurity.hxx" #include "signatureengine.hxx" #include #include #include namespace cssu = com::sun::star::uno; namespace cssl = com::sun::star::lang; namespace cssxc = com::sun::star::xml::crypto; namespace cssxw = com::sun::star::xml::wrapper; #define SIGNATURE_TEMPLATE "com.sun.star.xml.crypto.XMLSignatureTemplate" #define DECLARE_ASCII( SASCIIVALUE ) \ rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SASCIIVALUE ) ) SignatureEngine::SignatureEngine( ) :m_nTotalReferenceNumber(-1) { } bool SignatureEngine::checkReady() const /****** SignatureEngine/checkReady ******************************************* * * NAME * checkReady -- checks the conditions for the main operation. * * SYNOPSIS * bReady = checkReady( ); * * FUNCTION * checks whether all following conditions are satisfied: * 1. the main operation has't begun yet; * 2. the key material is known; * 3. the amount of reference is known; * 4. all of referenced elements, the key element and the signature * template are bufferred. * * INPUTS * empty * * RESULT * bReady - true if all conditions are satisfied, false otherwise * * HISTORY * 05.01.2004 - implemented * * AUTHOR * Michael Mi * Email: michael.mi@sun.com ******************************************************************************/ { bool rc = true; sal_Int32 nKeyInc = 0; if (m_nIdOfKeyEC != 0) { nKeyInc = 1; } if (m_bMissionDone || m_nIdOfKeyEC == -1 || m_nTotalReferenceNumber == -1 || m_nTotalReferenceNumber+1+nKeyInc > m_nNumOfResolvedReferences) { rc = false; } return rc; } void SignatureEngine::tryToPerform( ) throw (cssu::Exception, cssu::RuntimeException) /****** SignatureEngine/tryToPerform ***************************************** * * NAME * tryToPerform -- tries to perform the signature operation. * * SYNOPSIS * tryToPerform( ); * * FUNCTION * if the situation is ready, perform following operations. * 1. prepares a signature template; * 2. calls the signature bridge component; * 3. clears up all used resources; * 4. notifies the result listener; * 5. sets the "accomplishment" flag. * * INPUTS * empty * * RESULT * empty * * HISTORY * 05.01.2004 - implemented * * AUTHOR * Michael Mi * Email: michael.mi@sun.com ******************************************************************************/ { if (checkReady()) { const rtl::OUString ouSignatureTemplate ( RTL_CONSTASCII_USTRINGPARAM( SIGNATURE_TEMPLATE ) ); cssu::Reference < cssxc::XXMLSignatureTemplate > xSignatureTemplate( mxMSF->createInstance( ouSignatureTemplate ), cssu::UNO_QUERY ); OSL_ASSERT( xSignatureTemplate.is() ); cssu::Reference< cssxw::XXMLElementWrapper > xXMLElement = m_xSAXEventKeeper->getElement( m_nIdOfTemplateEC ); xSignatureTemplate->setTemplate(xXMLElement); std::vector< sal_Int32 >::const_iterator ii = m_vReferenceIds.begin(); for( ; ii != m_vReferenceIds.end() ; ++ii ) { xXMLElement = m_xSAXEventKeeper->getElement( *ii ); xSignatureTemplate->setTarget(xXMLElement); } /* * set the Uri binding */ xSignatureTemplate->setBinding( this ); startEngine( xSignatureTemplate ); /* * done */ clearUp( ); notifyResultListener(); m_bMissionDone = true; } } void SignatureEngine::clearUp( ) const /****** SignatureEngine/clearUp ********************************************** * * NAME * clearUp -- clear up all resources used by this operation. * * SYNOPSIS * clearUp( ); * * FUNCTION * cleaning resources up includes: * 1. releases the ElementCollector for the signature template element; * 2. releases ElementCollectors for referenced elements; * 3. releases the ElementCollector for the key element, if there is one. * * INPUTS * empty * * RESULT * empty * * HISTORY * 05.01.2004 - implemented * * AUTHOR * Michael Mi * Email: michael.mi@sun.com ******************************************************************************/ { cssu::Reference < cssxc::sax::XReferenceResolvedBroadcaster > xReferenceResolvedBroadcaster( m_xSAXEventKeeper, cssu::UNO_QUERY ); xReferenceResolvedBroadcaster->removeReferenceResolvedListener( m_nIdOfTemplateEC, (const cssu::Reference < cssxc::sax::XReferenceResolvedListener >)((SecurityEngine *)this)); m_xSAXEventKeeper->removeElementCollector(m_nIdOfTemplateEC); std::vector< sal_Int32 >::const_iterator ii = m_vReferenceIds.begin(); for( ; ii != m_vReferenceIds.end() ; ++ii ) { xReferenceResolvedBroadcaster->removeReferenceResolvedListener( *ii, (const cssu::Reference < cssxc::sax::XReferenceResolvedListener >)((SecurityEngine *)this)); m_xSAXEventKeeper->removeElementCollector(*ii); } if (m_nIdOfKeyEC != 0 && m_nIdOfKeyEC != -1) { m_xSAXEventKeeper->removeElementCollector(m_nIdOfKeyEC); } } /* XReferenceCollector */ void SAL_CALL SignatureEngine::setReferenceCount( sal_Int32 count ) throw (cssu::Exception, cssu::RuntimeException) { m_nTotalReferenceNumber = count; tryToPerform(); } void SAL_CALL SignatureEngine::setReferenceId( sal_Int32 id ) throw (cssu::Exception, cssu::RuntimeException) { m_vReferenceIds.push_back( id ); } /* XUriBinding */ void SAL_CALL SignatureEngine::setUriBinding( const rtl::OUString& uri, const cssu::Reference< com::sun::star::io::XInputStream >& aInputStream ) throw (cssu::Exception, cssu::RuntimeException) { m_vUris.push_back(uri); m_vXInputStreams.push_back(aInputStream); } cssu::Reference< com::sun::star::io::XInputStream > SAL_CALL SignatureEngine::getUriBinding( const rtl::OUString& uri ) throw (cssu::Exception, cssu::RuntimeException) { cssu::Reference< com::sun::star::io::XInputStream > xInputStream; int size = m_vUris.size(); for( int i=0; i