335 lines
11 KiB
C++
335 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "xsecctl.hxx"
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#include <tools/debug.hxx>
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#include <com/sun/star/xml/crypto/sax/XKeyCollector.hpp>
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#include <com/sun/star/xml/crypto/sax/ElementMarkPriority.hpp>
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#include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
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#include <com/sun/star/xml/crypto/sax/XBlockerMonitor.hpp>
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#include <com/sun/star/xml/crypto/sax/XReferenceCollector.hpp>
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#include <com/sun/star/xml/crypto/sax/XSignatureCreationResultBroadcaster.hpp>
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#include <com/sun/star/io/XActiveDataSource.hpp>
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#include <rtl/uuid.h>
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#include <stdio.h>
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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 cssxs = com::sun::star::xml::sax;
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/* xml security framework components */
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#define SIGNATURECREATOR_COMPONENT "com.sun.star.xml.crypto.sax.SignatureCreator"
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/* protected: for signature generation */
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OUString XSecController::createId()
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{
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sal_uInt8 aSeq[16];
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rtl_createUuid( aSeq, nullptr, true );
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char str[68]="ID_";
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int length = 3;
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for (int i=0; i<16; ++i)
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{
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length += sprintf(str+length, "%04x", aSeq[i]);
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}
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return OUString::createFromAscii(str);
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}
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cssu::Reference< cssxc::sax::XReferenceResolvedListener > XSecController::prepareSignatureToWrite(
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InternalSignatureInformation& internalSignatureInfor )
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{
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sal_Int32 nSecurityId = internalSignatureInfor.signatureInfor.nSecurityId;
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SignatureReferenceInformations& vReferenceInfors = internalSignatureInfor.signatureInfor.vSignatureReferenceInfors;
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sal_Int32 nIdOfSignatureElementCollector;
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cssu::Reference< cssxc::sax::XReferenceResolvedListener > xReferenceResolvedListener;
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nIdOfSignatureElementCollector =
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m_xSAXEventKeeper->addSecurityElementCollector( cssxc::sax::ElementMarkPriority_AFTERMODIFY, sal_True );
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m_xSAXEventKeeper->setSecurityId(nIdOfSignatureElementCollector, nSecurityId);
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/*
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* create a SignatureCreator
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*/
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cssu::Reference< cssl::XMultiComponentFactory > xMCF( mxCtx->getServiceManager() );
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xReferenceResolvedListener.set(
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xMCF->createInstanceWithContext(SIGNATURECREATOR_COMPONENT, mxCtx),
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cssu::UNO_QUERY);
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cssu::Reference<cssl::XInitialization> xInitialization(xReferenceResolvedListener, cssu::UNO_QUERY);
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cssu::Sequence<cssu::Any> args(5);
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args[0] = cssu::makeAny(OUString::number(nSecurityId));
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args[1] = cssu::makeAny(m_xSAXEventKeeper);
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args[2] = cssu::makeAny(OUString::number(nIdOfSignatureElementCollector));
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//for nss, the internal module is used for signing, which needs to be improved later
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sal_Int32 nEnvIndex = internalSignatureInfor.signatureInfor.nSecurityEnvironmentIndex;
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if( nEnvIndex < 0 || nEnvIndex >= m_xSecurityContext->getSecurityEnvironmentNumber())
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{// set defaultEnv
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args[3] = cssu::makeAny(m_xSecurityContext->getSecurityEnvironment());
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}
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else
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{
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args[3] = cssu::makeAny(m_xSecurityContext->getSecurityEnvironmentByIndex(nEnvIndex));
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}
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args[4] = cssu::makeAny(m_xXMLSignature);
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xInitialization->initialize(args);
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sal_Int32 nBlockerId = m_xSAXEventKeeper->addBlocker();
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m_xSAXEventKeeper->setSecurityId(nBlockerId, nSecurityId);
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cssu::Reference<cssxc::sax::XBlockerMonitor> xBlockerMonitor(xReferenceResolvedListener, cssu::UNO_QUERY);
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xBlockerMonitor->setBlockerId(nBlockerId);
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cssu::Reference< cssxc::sax::XSignatureCreationResultBroadcaster >
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xSignatureCreationResultBroadcaster(xReferenceResolvedListener, cssu::UNO_QUERY);
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xSignatureCreationResultBroadcaster->addSignatureCreationResultListener( this );
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cssu::Reference<cssxc::sax::XReferenceResolvedBroadcaster>
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xReferenceResolvedBroadcaster
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(m_xSAXEventKeeper,
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cssu::UNO_QUERY);
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xReferenceResolvedBroadcaster->addReferenceResolvedListener(
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nIdOfSignatureElementCollector,
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xReferenceResolvedListener);
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cssu::Reference<cssxc::sax::XReferenceCollector> xReferenceCollector
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(xReferenceResolvedListener, cssu::UNO_QUERY);
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int i;
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int size = vReferenceInfors.size();
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sal_Int32 nReferenceCount = 0;
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for(i=0; i<size; ++i)
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{
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sal_Int32 keeperId = internalSignatureInfor.vKeeperIds[i];
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if ( keeperId != -1)
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{
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m_xSAXEventKeeper->setSecurityId(keeperId, nSecurityId);
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xReferenceResolvedBroadcaster->addReferenceResolvedListener( keeperId, xReferenceResolvedListener);
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xReferenceCollector->setReferenceId( keeperId );
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nReferenceCount++;
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}
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}
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xReferenceCollector->setReferenceCount( nReferenceCount );
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/*
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* adds all URI binding
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*/
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cssu::Reference<cssxc::XUriBinding> xUriBinding
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(xReferenceResolvedListener, cssu::UNO_QUERY);
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for(i=0; i<size; ++i)
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{
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const SignatureReferenceInformation& refInfor = vReferenceInfors[i];
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cssu::Reference< com::sun::star::io::XInputStream > xInputStream
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= getObjectInputStream( refInfor.ouURI );
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if (xInputStream.is())
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{
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xUriBinding->setUriBinding(refInfor.ouURI,xInputStream);
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}
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}
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cssu::Reference<cssxc::sax::XKeyCollector> keyCollector (xReferenceResolvedListener, cssu::UNO_QUERY);
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keyCollector->setKeyId(0);
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internalSignatureInfor.signatureInfor.ouSignatureId = createId();
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internalSignatureInfor.signatureInfor.ouPropertyId = createId();
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internalSignatureInfor.addReference(TYPE_SAMEDOCUMENT_REFERENCE, internalSignatureInfor.signatureInfor.ouPropertyId, -1 );
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size++;
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/*
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* replace both digestValues and signatueValue to " "
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*/
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for(i=0; i<size; ++i)
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{
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SignatureReferenceInformation& refInfor = vReferenceInfors[i];
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refInfor.ouDigestValue = CHAR_BLANK;
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}
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internalSignatureInfor.signatureInfor.ouSignatureValue = CHAR_BLANK;
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return xReferenceResolvedListener;
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}
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void XSecController::signAStream( sal_Int32 securityId, const OUString& uri, const OUString& /*objectURL*/, bool isBinary)
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{
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sal_Int32 type = isBinary ? TYPE_BINARYSTREAM_REFERENCE : TYPE_XMLSTREAM_REFERENCE;
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int index = findSignatureInfor( securityId );
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if (index == -1)
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{
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InternalSignatureInformation isi(securityId, nullptr);
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isi.addReference(type, uri, -1);
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m_vInternalSignatureInformations.push_back( isi );
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}
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else
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{
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m_vInternalSignatureInformations[index].addReference(type, uri, -1);
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}
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}
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void XSecController::setX509Certificate(
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sal_Int32 nSecurityId,
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const OUString& ouX509IssuerName,
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const OUString& ouX509SerialNumber,
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const OUString& ouX509Cert)
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{
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setX509Certificate(nSecurityId, -1, ouX509IssuerName, ouX509SerialNumber, ouX509Cert);
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}
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void XSecController::setX509Certificate(
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sal_Int32 nSecurityId,
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const sal_Int32 nSecurityEnvironmentIndex,
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const OUString& ouX509IssuerName,
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const OUString& ouX509SerialNumber,
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const OUString& ouX509Cert)
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{
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int index = findSignatureInfor( nSecurityId );
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if ( index == -1 )
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{
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InternalSignatureInformation isi(nSecurityId, nullptr);
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isi.signatureInfor.nSecurityEnvironmentIndex = nSecurityEnvironmentIndex;
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isi.signatureInfor.ouX509IssuerName = ouX509IssuerName;
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isi.signatureInfor.ouX509SerialNumber = ouX509SerialNumber;
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isi.signatureInfor.ouX509Certificate = ouX509Cert;
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m_vInternalSignatureInformations.push_back( isi );
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}
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else
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{
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SignatureInformation &si
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= m_vInternalSignatureInformations[index].signatureInfor;
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si.ouX509IssuerName = ouX509IssuerName;
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si.ouX509SerialNumber = ouX509SerialNumber;
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si.ouX509Certificate = ouX509Cert;
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si.nSecurityEnvironmentIndex = nSecurityEnvironmentIndex;
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}
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}
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void XSecController::setDate(
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sal_Int32 nSecurityId,
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const ::com::sun::star::util::DateTime& rDateTime )
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{
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int index = findSignatureInfor( nSecurityId );
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if ( index == -1 )
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{
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InternalSignatureInformation isi(nSecurityId, nullptr);
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isi.signatureInfor.stDateTime = rDateTime;
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m_vInternalSignatureInformations.push_back( isi );
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}
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else
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{
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SignatureInformation &si
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= m_vInternalSignatureInformations[index].signatureInfor;
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si.stDateTime = rDateTime;
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}
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}
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bool XSecController::WriteSignature(
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const cssu::Reference<cssxs::XDocumentHandler>& xDocumentHandler )
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{
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bool rc = false;
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DBG_ASSERT( xDocumentHandler.is(), "I really need a document handler!" );
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/*
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* chain the SAXEventKeeper to the SAX chain
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*/
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chainOn(true);
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if ( m_nStatusOfSecurityComponents == INITIALIZED )
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/*
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* if all security components are ready, add the signature
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* stream.
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*/
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{
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m_bIsSAXEventKeeperSticky = true;
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m_xSAXEventKeeper->setNextHandler(xDocumentHandler);
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try
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{
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/*
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* export the signature template
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*/
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cssu::Reference<cssxs::XDocumentHandler> xSEKHandler( m_xSAXEventKeeper,cssu::UNO_QUERY);
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int i;
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int sigNum = m_vInternalSignatureInformations.size();
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for (i=0; i<sigNum; ++i)
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{
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InternalSignatureInformation &isi = m_vInternalSignatureInformations[i];
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/*
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* prepare the signature creator
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*/
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isi.xReferenceResolvedListener
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= prepareSignatureToWrite( isi );
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exportSignature( xSEKHandler, isi.signatureInfor );
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}
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m_bIsSAXEventKeeperSticky = false;
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chainOff();
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rc = true;
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}
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catch( cssxs::SAXException& )
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{
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m_pErrorMessage = ERROR_SAXEXCEPTIONDURINGCREATION;
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}
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catch( com::sun::star::io::IOException& )
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{
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m_pErrorMessage = ERROR_IOEXCEPTIONDURINGCREATION;
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}
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catch( cssu::Exception& )
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{
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m_pErrorMessage = ERROR_EXCEPTIONDURINGCREATION;
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}
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m_xSAXEventKeeper->setNextHandler( nullptr );
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m_bIsSAXEventKeeperSticky = false;
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}
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else
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{
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m_pErrorMessage = ERROR_CANNOTCREATEXMLSECURITYCOMPONENT;
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}
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return rc;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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