| /************************************************************** |
| * |
| * 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 <com/sun/star/xml/crypto/XXMLSignatureTemplate.hpp> |
| #include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp> |
| #include <com/sun/star/lang/XMultiServiceFactory.hpp> |
| |
| 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<size; ++i) |
| { |
| if (m_vUris[i] == uri) |
| { |
| xInputStream = m_vXInputStreams[i]; |
| break; |
| } |
| } |
| |
| return xInputStream; |
| } |
| |
