xref: /aoo41x/main/xmlsecurity/source/framework/signaturecreatorimpl.cxx (revision 06b3ce53)

/**************************************************************
 *
 * 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 "signaturecreatorimpl.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 SERVICE_NAME "com.sun.star.xml.crypto.sax.SignatureCreator"
#define IMPLEMENTATION_NAME "com.sun.star.xml.security.framework.SignatureCreatorImpl"

#define	DECLARE_ASCII( SASCIIVALUE )																			\
	rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SASCIIVALUE ) )

SignatureCreatorImpl::SignatureCreatorImpl( const cssu::Reference< cssl::XMultiServiceFactory >& rxMSF )
	:m_nIdOfBlocker(-1)
{
	mxMSF = rxMSF;
}

SignatureCreatorImpl::~SignatureCreatorImpl( )
{
}

bool SignatureCreatorImpl::checkReady() const
/****** SignatureCreatorImpl/checkReady **************************************
 *
 *   NAME
 *	checkReady -- checks the conditions for the signature generation.
 *
 *   SYNOPSIS
 *	bReady = checkReady( );
 *
 *   FUNCTION
 *	checks whether all following conditions are satisfied:
 *	1. the result listener is ready;
 *	2. the id of the template blocker is known;
 *	3. the SignatureEngine is ready.
 *
 *   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
 ******************************************************************************/
{
	return (m_xResultListener.is() &&
	        (m_nIdOfBlocker != -1) &&
	        SignatureEngine::checkReady());
}

void SignatureCreatorImpl::notifyResultListener() const
	throw (cssu::Exception, cssu::RuntimeException)
/****** SignatureCreatorImpl/notifyResultListener *****************************
 *
 *   NAME
 *	notifyResultListener -- notifies the listener about the signature
 *	creation result.
 *
 *   SYNOPSIS
 *	notifyResultListener( );
 *
 *   FUNCTION
 *	see NAME.
 *
 *   INPUTS
 *	empty
 *
 *   RESULT
 *	empty
 *
 *   HISTORY
 *	05.01.2004 -	implemented
 *
 *   AUTHOR
 *	Michael Mi
 *	Email: michael.mi@sun.com
 ******************************************************************************/
{
	cssu::Reference< cssxc::sax::XSignatureCreationResultListener >
		xSignatureCreationResultListener ( m_xResultListener , cssu::UNO_QUERY ) ;

	xSignatureCreationResultListener->signatureCreated( m_nSecurityId, m_nStatus );
}

void SignatureCreatorImpl::startEngine(	const cssu::Reference<
	cssxc::XXMLSignatureTemplate >&
	xSignatureTemplate)
    	throw (cssu::Exception, cssu::RuntimeException)
/****** SignatureCreatorImpl/startEngine *************************************
 *
 *   NAME
 *	startEngine -- generates the signature.
 *
 *   SYNOPSIS
 *	startEngine( xSignatureTemplate );
 *
 *   FUNCTION
 *	generates the signature element, then if succeeds, updates the link
 *	of old template element to the new signature element in
 *	SAXEventKeeper.
 *
 *   INPUTS
 *	xSignatureTemplate - the signature template (along with all referenced
 *	elements) to be signed.
 *
 *   RESULT
 *	empty
 *
 *   HISTORY
 *	05.01.2004 -	implemented
 *
 *   AUTHOR
 *	Michael Mi
 *	Email: michael.mi@sun.com
 ******************************************************************************/
{
	cssu::Reference< cssxc::XXMLSignatureTemplate > xResultTemplate;
	try
	{
		xResultTemplate = m_xXMLSignature->generate(xSignatureTemplate, m_xSecurityEnvironment);
		m_nStatus = xResultTemplate->getStatus();
	}
	catch( cssu::Exception& )
	{
		m_nStatus = cssxc::SecurityOperationStatus_RUNTIMEERROR_FAILED;
	}

	if (m_nStatus == cssxc::SecurityOperationStatus_OPERATION_SUCCEEDED)
	{
		cssu::Reference < cssxw::XXMLElementWrapper > xResultSignature = xResultTemplate->getTemplate();
		m_xSAXEventKeeper->setElement(m_nIdOfTemplateEC, xResultSignature);
	}
}

void SignatureCreatorImpl::clearUp() const
/****** SignatureCreatorImpl/clearUp *****************************************
 *
 *   NAME
 *	clearUp -- clear up all resources used by the signature generation.
 *
 *   SYNOPSIS
 *	clearUp( );
 *
 *   FUNCTION
 *	cleaning resources up includes:
 *	1. SignatureEngine's clearing up;
 *	2. releases the Blocker for the signature template element.
 *
 *   INPUTS
 *	empty
 *
 *   RESULT
 *	empty
 *
 *   HISTORY
 *	05.01.2004 -	implemented
 *
 *   AUTHOR
 *	Michael Mi
 *	Email: michael.mi@sun.com
 ******************************************************************************/
{
	SignatureEngine::clearUp();

	if (m_nIdOfBlocker != -1)
	{
		m_xSAXEventKeeper->removeBlocker(m_nIdOfBlocker);
	}
}

/* XBlockerMonitor */
void SAL_CALL SignatureCreatorImpl::setBlockerId( sal_Int32 id )
    	throw (cssu::Exception, cssu::RuntimeException)
{
	m_nIdOfBlocker = id;
	tryToPerform();
}

/* XSignatureCreationResultBroadcaster */
void SAL_CALL SignatureCreatorImpl::addSignatureCreationResultListener(
	const cssu::Reference< cssxc::sax::XSignatureCreationResultListener >& listener )
	throw (cssu::Exception, cssu::RuntimeException)
{
	m_xResultListener = listener;
	tryToPerform();
}

void SAL_CALL SignatureCreatorImpl::removeSignatureCreationResultListener(
	const cssu::Reference< cssxc::sax::XSignatureCreationResultListener >&)
	throw (cssu::RuntimeException)
{
}

/* XInitialization */
void SAL_CALL SignatureCreatorImpl::initialize( const cssu::Sequence< cssu::Any >& aArguments )
	throw (cssu::Exception, cssu::RuntimeException)
{
	OSL_ASSERT(aArguments.getLength() == 5);

	rtl::OUString ouTempString;

	aArguments[0] >>= ouTempString;
	m_nSecurityId = ouTempString.toInt32();
	aArguments[1] >>= m_xSAXEventKeeper;
	aArguments[2] >>= ouTempString;
	m_nIdOfTemplateEC = ouTempString.toInt32();
	aArguments[3] >>= m_xSecurityEnvironment;
	aArguments[4] >>= m_xXMLSignature;
}


rtl::OUString SignatureCreatorImpl_getImplementationName ()
	throw (cssu::RuntimeException)
{
	return rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( IMPLEMENTATION_NAME ) );
}

sal_Bool SAL_CALL SignatureCreatorImpl_supportsService( const rtl::OUString& ServiceName )
	throw (cssu::RuntimeException)
{
	return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ));
}

cssu::Sequence< rtl::OUString > SAL_CALL SignatureCreatorImpl_getSupportedServiceNames(  )
	throw (cssu::RuntimeException)
{
	cssu::Sequence < rtl::OUString > aRet(1);
	rtl::OUString* pArray = aRet.getArray();
	pArray[0] =  rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
	return aRet;
}
#undef SERVICE_NAME

cssu::Reference< cssu::XInterface > SAL_CALL SignatureCreatorImpl_createInstance(
	const cssu::Reference< cssl::XMultiServiceFactory >& rSMgr)
	throw( cssu::Exception )
{
	return (cppu::OWeakObject*) new SignatureCreatorImpl( rSMgr );
}

/* XServiceInfo */
rtl::OUString SAL_CALL SignatureCreatorImpl::getImplementationName(  )
	throw (cssu::RuntimeException)
{
	return SignatureCreatorImpl_getImplementationName();
}
sal_Bool SAL_CALL SignatureCreatorImpl::supportsService( const rtl::OUString& rServiceName )
	throw (cssu::RuntimeException)
{
	return SignatureCreatorImpl_supportsService( rServiceName );
}
cssu::Sequence< rtl::OUString > SAL_CALL SignatureCreatorImpl::getSupportedServiceNames(  )
	throw (cssu::RuntimeException)
{
	return SignatureCreatorImpl_getSupportedServiceNames();
}