xmlsecurity/source/helper/xmlsignaturehelper2.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <xmlsecurity/xmlsignaturehelper.hxx>
  21 #include "xmlsignaturehelper2.hxx"
  22
  23 #include <tools/solar.h>
  24 #include <unotools/streamhelper.hxx>
  25
  26 #include <com/sun/star/embed/XStorage.hpp>
  27 #include <com/sun/star/embed/XStorageRawAccess.hpp>
  28 #include <com/sun/star/embed/ElementModes.hpp>
  29 #include <com/sun/star/beans/XPropertySet.hpp>
  30 #include <osl/diagnose.h>
  31 #include <rtl/uri.hxx>
  32
  33 using namespace com::sun::star;
  34
  35 ImplXMLSignatureListener::ImplXMLSignatureListener(const Link<>& rCreationResultListenerListener, const Link<>& rVerifyResultListenerListener, const Link<>& rStartSignatureElement)
  36 {
  37     maCreationResultListenerListener = rCreationResultListenerListener;
  38     maVerifyResultListenerListener = rVerifyResultListenerListener;
  39     maStartVerifySignatureElementListener = rStartSignatureElement;
  40
  41 }
  42 ImplXMLSignatureListener::~ImplXMLSignatureListener()
  43 {
  44 }
  45
  46 void ImplXMLSignatureListener::setNextHandler(
  47     uno::Reference< xml::sax::XDocumentHandler > xNextHandler)
  48 {
  49     m_xNextHandler = xNextHandler;
  50 }
  51
  52 void SAL_CALL ImplXMLSignatureListener::signatureCreated( sal_Int32 securityId, com::sun::star::xml::crypto::SecurityOperationStatus nResult )
  53         throw (com::sun::star::uno::RuntimeException, std::exception)
  54 {
  55     XMLSignatureCreationResult aResult( securityId, nResult );
  56     maCreationResultListenerListener.Call( &aResult );
  57 }
  58
  59 void SAL_CALL ImplXMLSignatureListener::signatureVerified( sal_Int32 securityId, com::sun::star::xml::crypto::SecurityOperationStatus nResult )
  60         throw (com::sun::star::uno::RuntimeException, std::exception)
  61 {
  62     XMLSignatureVerifyResult aResult( securityId, nResult );
  63     maVerifyResultListenerListener.Call( &aResult );
  64 }
  65
  66 // XDocumentHandler
  67 void SAL_CALL ImplXMLSignatureListener::startDocument(  )
  68     throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException, std::exception)
  69 {
  70     if (m_xNextHandler.is())
  71     {
  72         m_xNextHandler->startDocument();
  73     }
  74 }
  75
  76 void SAL_CALL ImplXMLSignatureListener::endDocument(  )
  77     throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException, std::exception)
  78 {
  79     if (m_xNextHandler.is())
  80     {
  81         m_xNextHandler->endDocument();
  82     }
  83 }
  84
  85 void SAL_CALL ImplXMLSignatureListener::startElement( const OUString& aName, const com::sun::star::uno::Reference< com::sun::star::xml::sax::XAttributeList >& xAttribs )
  86         throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException, std::exception)
  87 {
  88     if ( aName == "Signature" )
  89     {
  90             maStartVerifySignatureElementListener.Call( (void*)&xAttribs );
  91     }
  92
  93     if (m_xNextHandler.is())
  94     {
  95         m_xNextHandler->startElement( aName, xAttribs );
  96     }
  97 }
  98
  99 void SAL_CALL ImplXMLSignatureListener::endElement( const OUString& aName )
 100     throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException, std::exception)
 101 {
 102     if (m_xNextHandler.is())
 103     {
 104         m_xNextHandler->endElement( aName );
 105     }
 106 }
 107
 108 void SAL_CALL ImplXMLSignatureListener::characters( const OUString& aChars )
 109     throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException, std::exception)
 110 {
 111     if (m_xNextHandler.is())
 112     {
 113         m_xNextHandler->characters( aChars );
 114     }
 115 }
 116
 117 void SAL_CALL ImplXMLSignatureListener::ignorableWhitespace( const OUString& aWhitespaces )
 118     throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException, std::exception)
 119 {
 120     if (m_xNextHandler.is())
 121     {
 122         m_xNextHandler->ignorableWhitespace( aWhitespaces );
 123     }
 124 }
 125
 126 void SAL_CALL ImplXMLSignatureListener::processingInstruction( const OUString& aTarget, const OUString& aData )
 127     throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException, std::exception)
 128 {
 129     if (m_xNextHandler.is())
 130     {
 131         m_xNextHandler->processingInstruction( aTarget, aData );
 132     }
 133 }
 134
 135 void SAL_CALL ImplXMLSignatureListener::setDocumentLocator( const com::sun::star::uno::Reference< com::sun::star::xml::sax::XLocator >& xLocator )
 136     throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException, std::exception)
 137 {
 138     if (m_xNextHandler.is())
 139     {
 140         m_xNextHandler->setDocumentLocator( xLocator );
 141     }
 142 }
 143
 144 // XUriBinding
 145
 146 UriBindingHelper::UriBindingHelper()
 147 {
 148 }
 149
 150 UriBindingHelper::UriBindingHelper( const com::sun::star::uno::Reference < com::sun::star::embed::XStorage >& rxStorage )
 151 {
 152     mxStorage = rxStorage;
 153 }
 154
 155 void SAL_CALL UriBindingHelper::setUriBinding( const OUString& /*uri*/, const uno::Reference< io::XInputStream >&)
 156     throw (uno::Exception, uno::RuntimeException, std::exception)
 157 {
 158 }
 159
 160 uno::Reference< io::XInputStream > SAL_CALL UriBindingHelper::getUriBinding( const OUString& uri )
 161     throw (uno::Exception, uno::RuntimeException, std::exception)
 162 {
 163     uno::Reference< io::XInputStream > xInputStream;
 164     if ( mxStorage.is() )
 165     {
 166         xInputStream = OpenInputStream( mxStorage, uri );
 167     }
 168     else
 169     {
 170         SvFileStream* pStream = new SvFileStream( uri, StreamMode::READ );
 171         pStream->Seek( STREAM_SEEK_TO_END );
 172         sal_uLong nBytes = pStream->Tell();
 173         pStream->Seek( STREAM_SEEK_TO_BEGIN );
 174         SvLockBytesRef xLockBytes = new SvLockBytes( pStream, true );
 175         xInputStream = new utl::OInputStreamHelper( xLockBytes, nBytes );
 176     }
 177     return xInputStream;
 178 }
 179
 180 uno::Reference < io::XInputStream > UriBindingHelper::OpenInputStream( const uno::Reference < embed::XStorage >& rxStore, const OUString& rURI )
 181 {
 182     OSL_ASSERT(!rURI.isEmpty());
 183     uno::Reference < io::XInputStream > xInStream;
 184
 185     sal_Int32 nSepPos = rURI.indexOf( '/' );
 186     if ( nSepPos == -1 )
 187     {
 188         // Cloning because of I can't keep all storage references open
 189         // MBA with think about a better API...
 190         const OUString sName = ::rtl::Uri::decode(
 191             rURI, rtl_UriDecodeStrict, rtl_UriCharClassRelSegment);
 192         if (sName.isEmpty() && !rURI.isEmpty())
 193             throw uno::Exception("Could not decode URI for stream element.", 0);
 194
 195         uno::Reference< io::XStream > xStream;
 196         xStream = rxStore->cloneStreamElement( sName );
 197         if ( !xStream.is() )
 198             throw uno::RuntimeException();
 199         xInStream = xStream->getInputStream();
 200     }
 201     else
 202     {
 203         const OUString aStoreName = ::rtl::Uri::decode(
 204             rURI.copy( 0, nSepPos ), rtl_UriDecodeStrict, rtl_UriCharClassRelSegment);
 205         if (aStoreName.isEmpty() && !rURI.isEmpty())
 206             throw uno::Exception("Could not decode URI for stream element.", 0);
 207
 208         OUString aElement = rURI.copy( nSepPos+1 );
 209         uno::Reference < embed::XStorage > xSubStore = rxStore->openStorageElement( aStoreName, embed::ElementModes::READ );
 210         xInStream = OpenInputStream( xSubStore, aElement );
 211     }
 212     return xInStream;
 213 }
 214
 215 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */