4671e7b8a4
Change-Id: Ie3dd8674e1fa927d15eeb6a64a0cad24b8825262
343 lines
9.8 KiB
C++
343 lines
9.8 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 "xsecparser.hxx"
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#include <tools/debug.hxx>
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#include <cppuhelper/exc_hlp.hxx>
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#include <string.h>
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namespace cssu = com::sun::star::uno;
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namespace cssxs = com::sun::star::xml::sax;
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XSecParser::XSecParser(XSecController* pXSecController,
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const cssu::Reference< cssxs::XDocumentHandler >& xNextHandler)
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: m_bInX509IssuerName(false)
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, m_bInX509SerialNumber(false)
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, m_bInX509Certificate(false)
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, m_bInDigestValue(false)
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, m_bInSignatureValue(false)
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, m_bInDate(false)
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, m_pXSecController(pXSecController)
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, m_xNextHandler(xNextHandler)
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, m_bReferenceUnresolved(false)
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{
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}
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OUString XSecParser::getIdAttr(const cssu::Reference< cssxs::XAttributeList >& xAttribs )
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{
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OUString ouIdAttr = xAttribs->getValueByName("id");
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if (ouIdAttr == NULL)
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{
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ouIdAttr = xAttribs->getValueByName("Id");
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}
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return ouIdAttr;
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}
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/*
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* XDocumentHandler
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*/
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void SAL_CALL XSecParser::startDocument( )
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throw (cssxs::SAXException, cssu::RuntimeException, std::exception)
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{
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m_bInX509IssuerName = false;
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m_bInX509SerialNumber = false;
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m_bInX509Certificate = false;
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m_bInSignatureValue = false;
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m_bInDigestValue = false;
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m_bInDate = false;
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if (m_xNextHandler.is())
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{
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m_xNextHandler->startDocument();
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}
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}
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void SAL_CALL XSecParser::endDocument( )
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throw (cssxs::SAXException, cssu::RuntimeException, std::exception)
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{
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if (m_xNextHandler.is())
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{
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m_xNextHandler->endDocument();
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}
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}
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void SAL_CALL XSecParser::startElement(
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const OUString& aName,
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const cssu::Reference< cssxs::XAttributeList >& xAttribs )
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throw (cssxs::SAXException, cssu::RuntimeException, std::exception)
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{
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try
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{
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OUString ouIdAttr = getIdAttr(xAttribs);
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if (ouIdAttr != NULL)
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{
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m_pXSecController->collectToVerify( ouIdAttr );
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}
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if ( aName == TAG_SIGNATURE )
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{
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m_pXSecController->addSignature();
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if (ouIdAttr != NULL)
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{
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m_pXSecController->setId( ouIdAttr );
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}
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}
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else if ( aName == TAG_REFERENCE )
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{
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OUString ouUri = xAttribs->getValueByName(ATTR_URI);
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DBG_ASSERT( ouUri != NULL, "URI == NULL" );
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if (ouUri.startsWith(CHAR_FRAGMENT))
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{
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/*
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* remove the first character '#' from the attribute value
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*/
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m_pXSecController->addReference( ouUri.copy(1) );
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}
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else
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{
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/*
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* remember the uri
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*/
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m_currentReferenceURI = ouUri;
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m_bReferenceUnresolved = true;
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}
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}
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else if (aName == TAG_TRANSFORM)
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{
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if ( m_bReferenceUnresolved )
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{
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OUString ouAlgorithm = xAttribs->getValueByName(ATTR_ALGORITHM);
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if (ouAlgorithm != NULL && ouAlgorithm == ALGO_C14N)
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/*
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* a xml stream
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*/
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{
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m_pXSecController->addStreamReference( m_currentReferenceURI, false);
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m_bReferenceUnresolved = false;
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}
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}
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}
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else if (aName == TAG_X509ISSUERNAME)
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{
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m_ouX509IssuerName = OUString();
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m_bInX509IssuerName = true;
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}
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else if (aName == TAG_X509SERIALNUMBER)
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{
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m_ouX509SerialNumber = OUString();
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m_bInX509SerialNumber = true;
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}
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else if (aName == TAG_X509CERTIFICATE)
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{
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m_ouX509Certificate = OUString();
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m_bInX509Certificate = true;
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}
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else if (aName == TAG_SIGNATUREVALUE)
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{
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m_ouSignatureValue = OUString();
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m_bInSignatureValue = true;
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}
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else if (aName == TAG_DIGESTVALUE)
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{
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m_ouDigestValue = "";
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m_bInDigestValue = true;
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}
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else if ( aName == TAG_SIGNATUREPROPERTY )
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{
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if (ouIdAttr != NULL)
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{
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m_pXSecController->setPropertyId( ouIdAttr );
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}
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}
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else if (aName == NSTAG_DC ":" TAG_DATE)
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{
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m_ouDate = OUString();
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m_bInDate = true;
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}
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if (m_xNextHandler.is())
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{
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m_xNextHandler->startElement(aName, xAttribs);
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}
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}
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catch (cssu::Exception& )
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{//getCaughtException MUST be the first line in the catch block
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cssu::Any exc = cppu::getCaughtException();
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throw cssxs::SAXException(
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"xmlsecurity: Exception in XSecParser::startElement",
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0, exc);
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}
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catch (...)
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{
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throw cssxs::SAXException(
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"xmlsecurity: unexpected exception in XSecParser::startElement", 0,
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cssu::Any());
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}
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}
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void SAL_CALL XSecParser::endElement( const OUString& aName )
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throw (cssxs::SAXException, cssu::RuntimeException, std::exception)
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{
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try
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{
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if (aName == TAG_DIGESTVALUE)
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{
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m_bInDigestValue = false;
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}
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else if ( aName == TAG_REFERENCE )
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{
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if ( m_bReferenceUnresolved )
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/*
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* it must be a octet stream
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*/
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{
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m_pXSecController->addStreamReference( m_currentReferenceURI, true);
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m_bReferenceUnresolved = false;
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}
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m_pXSecController->setDigestValue( m_ouDigestValue );
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}
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else if ( aName == TAG_SIGNEDINFO )
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{
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m_pXSecController->setReferenceCount();
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}
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else if ( aName == TAG_SIGNATUREVALUE )
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{
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m_pXSecController->setSignatureValue( m_ouSignatureValue );
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m_bInSignatureValue = false;
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}
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else if (aName == TAG_X509ISSUERNAME)
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{
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m_pXSecController->setX509IssuerName( m_ouX509IssuerName );
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m_bInX509IssuerName = false;
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}
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else if (aName == TAG_X509SERIALNUMBER)
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{
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m_pXSecController->setX509SerialNumber( m_ouX509SerialNumber );
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m_bInX509SerialNumber = false;
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}
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else if (aName == TAG_X509CERTIFICATE)
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{
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m_pXSecController->setX509Certificate( m_ouX509Certificate );
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m_bInX509Certificate = false;
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}
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else if (aName == NSTAG_DC ":" TAG_DATE)
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{
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m_pXSecController->setDate( m_ouDate );
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m_bInDate = false;
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}
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if (m_xNextHandler.is())
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{
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m_xNextHandler->endElement(aName);
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}
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}
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catch (cssu::Exception& )
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{//getCaughtException MUST be the first line in the catch block
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cssu::Any exc = cppu::getCaughtException();
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throw cssxs::SAXException(
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"xmlsecurity: Exception in XSecParser::endElement",
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0, exc);
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}
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catch (...)
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{
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throw cssxs::SAXException(
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"xmlsecurity: unexpected exception in XSecParser::endElement", 0,
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cssu::Any());
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}
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}
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void SAL_CALL XSecParser::characters( const OUString& aChars )
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throw (cssxs::SAXException, cssu::RuntimeException, std::exception)
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{
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if (m_bInX509IssuerName)
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{
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m_ouX509IssuerName += aChars;
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}
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else if (m_bInX509SerialNumber)
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{
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m_ouX509SerialNumber += aChars;
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}
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else if (m_bInX509Certificate)
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{
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m_ouX509Certificate += aChars;
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}
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else if (m_bInSignatureValue)
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{
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m_ouSignatureValue += aChars;
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}
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else if (m_bInDigestValue)
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{
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m_ouDigestValue += aChars;
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}
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else if (m_bInDate)
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{
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m_ouDate += aChars;
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}
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if (m_xNextHandler.is())
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{
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m_xNextHandler->characters(aChars);
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}
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}
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void SAL_CALL XSecParser::ignorableWhitespace( const OUString& aWhitespaces )
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throw (cssxs::SAXException, cssu::RuntimeException, std::exception)
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{
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if (m_xNextHandler.is())
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{
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m_xNextHandler->ignorableWhitespace( aWhitespaces );
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}
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}
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void SAL_CALL XSecParser::processingInstruction( const OUString& aTarget, const OUString& aData )
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throw (cssxs::SAXException, cssu::RuntimeException, std::exception)
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{
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if (m_xNextHandler.is())
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{
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m_xNextHandler->processingInstruction(aTarget, aData);
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}
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}
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void SAL_CALL XSecParser::setDocumentLocator( const cssu::Reference< cssxs::XLocator >& xLocator )
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throw (cssxs::SAXException, cssu::RuntimeException, std::exception)
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{
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if (m_xNextHandler.is())
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{
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m_xNextHandler->setDocumentLocator( xLocator );
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}
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}
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/*
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* XInitialization
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*/
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void SAL_CALL XSecParser::initialize(
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const cssu::Sequence< cssu::Any >& aArguments )
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throw(cssu::Exception, cssu::RuntimeException, std::exception)
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{
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aArguments[0] >>= m_xNextHandler;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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