391 lines
13 KiB
C++
391 lines
13 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_xmlsecurity.hxx"
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#include <sal/config.h>
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#include <rtl/uuid.h>
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#include "xmlencryption_mscryptimpl.hxx"
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#ifndef _XMLDOCUMENTWRAPPER_XMLSECIMPL_HXX_
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#include "xmldocumentwrapper_xmlsecimpl.hxx"
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#endif
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#ifndef _XMLELEMENTWRAPPER_XMLSECIMPL_HXX_
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#include "xmlelementwrapper_xmlsecimpl.hxx"
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#endif
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#ifndef _SECURITYENVIRONMENT_MSCRYPTIMPL_HXX_
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#include "securityenvironment_mscryptimpl.hxx"
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#endif
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#include "errorcallback.hxx"
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#include "xmlsec/xmlsec.h"
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#include "xmlsec/xmltree.h"
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#include "xmlsec/xmlenc.h"
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#include "xmlsec/crypto.h"
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#ifdef UNX
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#define stricmp strcasecmp
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#endif
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using namespace ::com::sun::star::uno ;
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using namespace ::com::sun::star::lang ;
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using ::com::sun::star::lang::XMultiServiceFactory ;
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using ::com::sun::star::lang::XSingleServiceFactory ;
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using ::rtl::OUString ;
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using ::com::sun::star::xml::wrapper::XXMLElementWrapper ;
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using ::com::sun::star::xml::wrapper::XXMLDocumentWrapper ;
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using ::com::sun::star::xml::crypto::XSecurityEnvironment ;
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using ::com::sun::star::xml::crypto::XXMLEncryption ;
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using ::com::sun::star::xml::crypto::XXMLEncryptionTemplate ;
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using ::com::sun::star::xml::crypto::XXMLSecurityContext ;
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using ::com::sun::star::xml::crypto::XMLEncryptionException ;
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XMLEncryption_MSCryptImpl :: XMLEncryption_MSCryptImpl( const Reference< XMultiServiceFactory >& aFactory ) : m_xServiceManager( aFactory ) {
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}
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XMLEncryption_MSCryptImpl :: ~XMLEncryption_MSCryptImpl() {
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}
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/* XXMLEncryption */
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Reference< XXMLEncryptionTemplate >
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SAL_CALL XMLEncryption_MSCryptImpl :: encrypt(
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const Reference< XXMLEncryptionTemplate >& aTemplate ,
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const Reference< XSecurityEnvironment >& aEnvironment
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) throw( com::sun::star::xml::crypto::XMLEncryptionException,
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com::sun::star::uno::SecurityException )
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{
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xmlSecKeysMngrPtr pMngr = NULL ;
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xmlSecEncCtxPtr pEncCtx = NULL ;
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xmlNodePtr pEncryptedData = NULL ;
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xmlNodePtr pContent = NULL ;
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if( !aTemplate.is() )
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throw RuntimeException() ;
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if( !aEnvironment.is() )
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throw RuntimeException() ;
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//Get Keys Manager
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Reference< XUnoTunnel > xSecTunnel( aEnvironment , UNO_QUERY ) ;
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if( !xSecTunnel.is() ) {
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throw RuntimeException() ;
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}
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SecurityEnvironment_MSCryptImpl* pSecEnv = ( SecurityEnvironment_MSCryptImpl* )xSecTunnel->getSomething( SecurityEnvironment_MSCryptImpl::getUnoTunnelId() ) ;
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if( pSecEnv == NULL )
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throw RuntimeException() ;
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//Get the encryption template
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Reference< XXMLElementWrapper > xTemplate = aTemplate->getTemplate() ;
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if( !xTemplate.is() ) {
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throw RuntimeException() ;
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}
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Reference< XUnoTunnel > xTplTunnel( xTemplate , UNO_QUERY ) ;
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if( !xTplTunnel.is() ) {
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throw RuntimeException() ;
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}
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XMLElementWrapper_XmlSecImpl* pTemplate = ( XMLElementWrapper_XmlSecImpl* )xTplTunnel->getSomething( XMLElementWrapper_XmlSecImpl::getUnoTunnelImplementationId() ) ;
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if( pTemplate == NULL ) {
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throw RuntimeException() ;
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}
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pEncryptedData = pTemplate->getNativeElement() ;
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//Find the element to be encrypted.
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//This element is wrapped in the CipherValue sub-element.
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xmlNodePtr pCipherData = pEncryptedData->children;
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while (pCipherData != NULL && stricmp((const char *)(pCipherData->name), "CipherData"))
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{
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pCipherData = pCipherData->next;
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}
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if( pCipherData == NULL ) {
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throw XMLEncryptionException() ;
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}
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xmlNodePtr pCipherValue = pCipherData->children;
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while (pCipherValue != NULL && stricmp((const char *)(pCipherValue->name), "CipherValue"))
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{
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pCipherValue = pCipherValue->next;
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}
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if( pCipherValue == NULL ) {
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throw XMLEncryptionException() ;
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}
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pContent = pCipherValue->children;
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if( pContent == NULL ) {
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throw XMLEncryptionException() ;
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}
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xmlUnlinkNode(pContent);
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xmlAddNextSibling(pEncryptedData, pContent);
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//remember the position of the element to be signed
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sal_Bool isParentRef = sal_True;
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xmlNodePtr pParent = pEncryptedData->parent;
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xmlNodePtr referenceNode;
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if (pEncryptedData == pParent->children)
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{
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referenceNode = pParent;
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}
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else
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{
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referenceNode = pEncryptedData->prev;
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isParentRef = sal_False;
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}
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setErrorRecorder( );
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pMngr = pSecEnv->createKeysManager() ; //i39448
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if( !pMngr ) {
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throw RuntimeException() ;
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}
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//Create Encryption context
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pEncCtx = xmlSecEncCtxCreate( pMngr ) ;
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if( pEncCtx == NULL )
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{
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pSecEnv->destroyKeysManager( pMngr ) ; //i39448
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//throw XMLEncryptionException() ;
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clearErrorRecorder();
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return aTemplate;
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}
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//Encrypt the template
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if( xmlSecEncCtxXmlEncrypt( pEncCtx , pEncryptedData , pContent ) < 0 ) {
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aTemplate->setStatus(::com::sun::star::xml::crypto::SecurityOperationStatus_UNKNOWN);
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xmlSecEncCtxDestroy( pEncCtx ) ;
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pSecEnv->destroyKeysManager( pMngr ) ; //i39448
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clearErrorRecorder();
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return aTemplate;
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}
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aTemplate->setStatus(::com::sun::star::xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED);
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xmlSecEncCtxDestroy( pEncCtx ) ;
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pSecEnv->destroyKeysManager( pMngr ) ; //i39448
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//get the new EncryptedData element
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if (isParentRef)
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{
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pTemplate->setNativeElement(referenceNode->children) ;
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}
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else
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{
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pTemplate->setNativeElement(referenceNode->next);
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}
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clearErrorRecorder();
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return aTemplate ;
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}
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/* XXMLEncryption */
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Reference< XXMLEncryptionTemplate > SAL_CALL
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XMLEncryption_MSCryptImpl :: decrypt(
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const Reference< XXMLEncryptionTemplate >& aTemplate ,
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const Reference< XXMLSecurityContext >& aSecurityCtx
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) throw( com::sun::star::xml::crypto::XMLEncryptionException ,
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com::sun::star::uno::SecurityException) {
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xmlSecKeysMngrPtr pMngr = NULL ;
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xmlSecEncCtxPtr pEncCtx = NULL ;
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xmlNodePtr pEncryptedData = NULL ;
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if( !aTemplate.is() )
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throw RuntimeException() ;
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if( !aSecurityCtx.is() )
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throw RuntimeException() ;
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//Get Keys Manager
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Reference< XSecurityEnvironment > xSecEnv
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= aSecurityCtx->getSecurityEnvironmentByIndex(
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aSecurityCtx->getDefaultSecurityEnvironmentIndex());
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Reference< XUnoTunnel > xSecTunnel( xSecEnv , UNO_QUERY ) ;
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if( !xSecTunnel.is() ) {
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throw RuntimeException() ;
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}
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SecurityEnvironment_MSCryptImpl* pSecEnv = ( SecurityEnvironment_MSCryptImpl* )xSecTunnel->getSomething( SecurityEnvironment_MSCryptImpl::getUnoTunnelId() ) ;
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if( pSecEnv == NULL )
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throw RuntimeException() ;
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//Get the encryption template
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Reference< XXMLElementWrapper > xTemplate = aTemplate->getTemplate() ;
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if( !xTemplate.is() ) {
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throw RuntimeException() ;
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}
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Reference< XUnoTunnel > xTplTunnel( xTemplate , UNO_QUERY ) ;
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if( !xTplTunnel.is() ) {
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throw RuntimeException() ;
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}
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XMLElementWrapper_XmlSecImpl* pTemplate = ( XMLElementWrapper_XmlSecImpl* )xTplTunnel->getSomething( XMLElementWrapper_XmlSecImpl::getUnoTunnelImplementationId() ) ;
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if( pTemplate == NULL ) {
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throw RuntimeException() ;
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}
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pEncryptedData = pTemplate->getNativeElement() ;
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//remember the position of the element to be signed
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sal_Bool isParentRef = sal_True;
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xmlNodePtr pParent = pEncryptedData->parent;
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xmlNodePtr referenceNode;
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if (pEncryptedData == pParent->children)
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{
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referenceNode = pParent;
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}
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else
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{
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referenceNode = pEncryptedData->prev;
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isParentRef = sal_False;
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}
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setErrorRecorder( );
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pMngr = pSecEnv->createKeysManager() ; //i39448
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if( !pMngr ) {
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throw RuntimeException() ;
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}
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//Create Encryption context
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pEncCtx = xmlSecEncCtxCreate( pMngr ) ;
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if( pEncCtx == NULL )
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{
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pSecEnv->destroyKeysManager( pMngr ) ; //i39448
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//throw XMLEncryptionException() ;
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clearErrorRecorder();
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return aTemplate;
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}
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//Decrypt the template
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if( xmlSecEncCtxDecrypt( pEncCtx , pEncryptedData ) < 0 || pEncCtx->result == NULL ) {
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aTemplate->setStatus(::com::sun::star::xml::crypto::SecurityOperationStatus_UNKNOWN);
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xmlSecEncCtxDestroy( pEncCtx ) ;
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pSecEnv->destroyKeysManager( pMngr ) ; //i39448
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//throw XMLEncryptionException() ;
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clearErrorRecorder();
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return aTemplate;
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}
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aTemplate->setStatus(::com::sun::star::xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED);
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/*----------------------------------------
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if( pEncCtx->resultReplaced != 0 ) {
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pContent = pEncryptedData ;
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Reference< XUnoTunnel > xTunnel( ret , UNO_QUERY ) ;
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if( !xTunnel.is() ) {
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xmlSecEncCtxDestroy( pEncCtx ) ;
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throw RuntimeException() ;
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}
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XMLElementWrapper_XmlSecImpl* pNode = ( XMLElementWrapper_XmlSecImpl* )xTunnel->getSomething( XMLElementWrapper_XmlSecImpl::getUnoTunnelImplementationId() ) ;
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if( pNode == NULL ) {
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xmlSecEncCtxDestroy( pEncCtx ) ;
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throw RuntimeException() ;
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}
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pNode->setNativeElement( pContent ) ;
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} else {
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xmlSecEncCtxDestroy( pEncCtx ) ;
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throw RuntimeException() ;
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}
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----------------------------------------*/
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//Destroy the encryption context
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xmlSecEncCtxDestroy( pEncCtx ) ;
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pSecEnv->destroyKeysManager( pMngr ) ; //i39448
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//get the decrypted element
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XMLElementWrapper_XmlSecImpl * ret = new XMLElementWrapper_XmlSecImpl(isParentRef?
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(referenceNode->children):(referenceNode->next));
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//return ret;
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aTemplate->setTemplate(ret);
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clearErrorRecorder();
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return aTemplate;
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}
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/* XInitialization */
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void SAL_CALL XMLEncryption_MSCryptImpl :: initialize( const Sequence< Any >& /*aArguments*/ ) throw( Exception, RuntimeException ) {
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// TBD
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} ;
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/* XServiceInfo */
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OUString SAL_CALL XMLEncryption_MSCryptImpl :: getImplementationName() throw( RuntimeException ) {
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return impl_getImplementationName() ;
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}
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/* XServiceInfo */
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sal_Bool SAL_CALL XMLEncryption_MSCryptImpl :: supportsService( const OUString& serviceName) throw( RuntimeException ) {
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Sequence< OUString > seqServiceNames = getSupportedServiceNames() ;
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const OUString* pArray = seqServiceNames.getConstArray() ;
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for( sal_Int32 i = 0 ; i < seqServiceNames.getLength() ; i ++ ) {
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if( *( pArray + i ) == serviceName )
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return sal_True ;
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}
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return sal_False ;
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}
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/* XServiceInfo */
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Sequence< OUString > SAL_CALL XMLEncryption_MSCryptImpl :: getSupportedServiceNames() throw( RuntimeException ) {
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return impl_getSupportedServiceNames() ;
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}
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//Helper for XServiceInfo
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Sequence< OUString > XMLEncryption_MSCryptImpl :: impl_getSupportedServiceNames() {
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::osl::Guard< ::osl::Mutex > aGuard( ::osl::Mutex::getGlobalMutex() ) ;
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Sequence< OUString > seqServiceNames( 1 ) ;
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seqServiceNames.getArray()[0] = OUString::createFromAscii( "com.sun.star.xml.crypto.XMLEncryption" ) ;
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return seqServiceNames ;
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}
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OUString XMLEncryption_MSCryptImpl :: impl_getImplementationName() throw( RuntimeException ) {
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return OUString::createFromAscii( "com.sun.star.xml.security.bridge.xmlsec.XMLEncryption_MSCryptImpl" ) ;
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}
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//Helper for registry
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Reference< XInterface > SAL_CALL XMLEncryption_MSCryptImpl :: impl_createInstance( const Reference< XMultiServiceFactory >& aServiceManager ) throw( RuntimeException ) {
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return Reference< XInterface >( *new XMLEncryption_MSCryptImpl( aServiceManager ) ) ;
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}
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Reference< XSingleServiceFactory > XMLEncryption_MSCryptImpl :: impl_createFactory( const Reference< XMultiServiceFactory >& aServiceManager ) {
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//Reference< XSingleServiceFactory > xFactory ;
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//xFactory = ::cppu::createSingleFactory( aServiceManager , impl_getImplementationName , impl_createInstance , impl_getSupportedServiceNames ) ;
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//return xFactory ;
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return ::cppu::createSingleFactory( aServiceManager , impl_getImplementationName() , impl_createInstance , impl_getSupportedServiceNames() ) ;
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}
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