oox/source/docprop/ooxmldocpropimport.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 "ooxmldocpropimport.hxx"
  21
  22 #include <vector>
  23 #include <com/sun/star/embed/ElementModes.hpp>
  24 #include <com/sun/star/embed/XHierarchicalStorageAccess.hpp>
  25 #include <com/sun/star/embed/XRelationshipAccess.hpp>
  26 #include <com/sun/star/embed/XStorage.hpp>
  27 #include <oox/core/fastparser.hxx>
  28 #include <oox/core/relations.hxx>
  29 #include <oox/helper/containerhelper.hxx>
  30 #include <oox/helper/helper.hxx>
  31 #include "docprophandler.hxx"
  32
  33 #include <cppuhelper/supportsservice.hxx>
  34
  35 using namespace ::com::sun::star;
  36
  37 namespace oox {
  38 namespace docprop {
  39
  40 using namespace ::com::sun::star::beans;
  41 using namespace ::com::sun::star::document;
  42 using namespace ::com::sun::star::embed;
  43 using namespace ::com::sun::star::io;
  44 using namespace ::com::sun::star::lang;
  45 using namespace ::com::sun::star::uno;
  46 using namespace ::com::sun::star::xml::sax;
  47
  48 namespace {
  49
  50 /// @throws RuntimeException
  51 /// @throws css::io::IOException
  52 Sequence< InputSource > lclGetRelatedStreams( const Reference< XStorage >& rxStorage, const OUString& rStreamType )
  53 {
  54     Reference< XRelationshipAccess > xRelation( rxStorage, UNO_QUERY_THROW );
  55     Reference< XHierarchicalStorageAccess > xHierarchy( rxStorage, UNO_QUERY_THROW );
  56
  57     Sequence< Sequence< StringPair > > aPropsInfo = xRelation->getRelationshipsByType( rStreamType );
  58
  59     ::std::vector< InputSource > aResult;
  60
  61     for( sal_Int32 nIndex = 0, nLength = aPropsInfo.getLength(); nIndex < nLength; ++nIndex )
  62     {
  63         const Sequence< StringPair >& rEntries = aPropsInfo[ nIndex ];
  64         for( sal_Int32 nEntryIndex = 0, nEntryLength = rEntries.getLength(); nEntryIndex < nEntryLength; ++nEntryIndex )
  65         {
  66             const StringPair& rEntry = rEntries[ nEntryIndex ];
  67             if ( rEntry.First == "Target" )
  68             {
  69                 // The stream path is always a relative one, ignore the leading "/" if it's there.
  70                 OUString aStreamPath = rEntry.Second;
  71                 if (aStreamPath.startsWith("/"))
  72                     aStreamPath = aStreamPath.copy(1);
  73
  74                 Reference< XExtendedStorageStream > xExtStream(
  75                     xHierarchy->openStreamElementByHierarchicalName( aStreamPath, ElementModes::READ ), UNO_SET_THROW );
  76                 Reference< XInputStream > xInStream = xExtStream->getInputStream();
  77                 if( xInStream.is() )
  78                 {
  79                     aResult.emplace_back();
  80                     aResult.back().sSystemId = rEntry.Second;
  81                     aResult.back().aInputStream = xExtStream->getInputStream();
  82                 }
  83                 break;
  84             }
  85         }
  86     }
  87
  88     return ContainerHelper::vectorToSequence( aResult );
  89 }
  90
  91 } // namespace
  92
  93 DocumentPropertiesImport::DocumentPropertiesImport( const Reference< XComponentContext >& rxContext ) :
  94     mxContext( rxContext )
  95 {
  96 }
  97
  98 // XServiceInfo
  99 OUString SAL_CALL DocumentPropertiesImport::getImplementationName()
 100 {
 101     return OUString( "com.sun.star.comp.oox.docprop.DocumentPropertiesImporter" );
 102 }
 103
 104 sal_Bool SAL_CALL DocumentPropertiesImport::supportsService( const OUString& rServiceName )
 105 {
 106     return cppu::supportsService(this, rServiceName);
 107 }
 108
 109 Sequence< OUString > SAL_CALL DocumentPropertiesImport::getSupportedServiceNames()
 110 {
 111     Sequence<OUString> aServices { "com.sun.star.document.OOXMLDocumentPropertiesImporter" };
 112     return aServices;
 113 }
 114
 115 // XOOXMLDocumentPropertiesImporter
 116 void SAL_CALL DocumentPropertiesImport::importProperties(
 117         const Reference< XStorage >& rxSource, const Reference< XDocumentProperties >& rxDocumentProperties )
 118 {
 119     if( !mxContext.is() )
 120         throw RuntimeException();
 121
 122     if( !rxSource.is() || !rxDocumentProperties.is() )
 123         throw IllegalArgumentException();
 124
 125     Sequence< InputSource > aCoreStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "metadata/core-properties" ) );
 126     // OOXML strict
 127     if( !aCoreStreams.hasElements() )
 128         aCoreStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "metadata/core-properties" ) );
 129     // MS Office seems to have a bug, so we have to do similar handling
 130     if( !aCoreStreams.hasElements() )
 131         aCoreStreams = lclGetRelatedStreams( rxSource, "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties" );
 132
 133     Sequence< InputSource > aExtStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "extended-properties" ) );
 134     // OOXML strict
 135     if( !aExtStreams.hasElements() )
 136         aExtStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "extended-properties" ) );
 137     Sequence< InputSource > aCustomStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "custom-properties" ) );
 138     // OOXML strict
 139     if( !aCustomStreams.hasElements() )
 140         aCustomStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "custom-properties" ) );
 141
 142     if( aCoreStreams.hasElements() || aExtStreams.hasElements() || aCustomStreams.hasElements() )
 143     {
 144         if( aCoreStreams.getLength() > 1 )
 145             throw IOException( "Unexpected core properties stream!" );
 146
 147         ::oox::core::FastParser aParser;
 148         aParser.registerNamespace( NMSP_packageMetaCorePr );
 149         aParser.registerNamespace( NMSP_dc );
 150         aParser.registerNamespace( NMSP_dcTerms );
 151         aParser.registerNamespace( NMSP_officeExtPr );
 152         aParser.registerNamespace( NMSP_officeCustomPr );
 153         aParser.registerNamespace( NMSP_officeDocPropsVT );
 154         aParser.setDocumentHandler( new OOXMLDocPropHandler( mxContext, rxDocumentProperties ) );
 155
 156         if( aCoreStreams.hasElements() )
 157             aParser.parseStream( aCoreStreams[ 0 ], true );
 158         for( sal_Int32 nIndex = 0; nIndex < aExtStreams.getLength(); ++nIndex )
 159             aParser.parseStream( aExtStreams[ nIndex ], true );
 160         for( sal_Int32 nIndex = 0; nIndex < aCustomStreams.getLength(); ++nIndex )
 161             aParser.parseStream( aCustomStreams[ nIndex ], true );
 162     }
 163 }
 164
 165 } // namespace docprop
 166 } // namespace oox
 167
 168 extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
 169 com_sun_star_comp_oox_docprop_DocumentPropertiesImporter_get_implementation(
 170     uno::XComponentContext* pCtx, uno::Sequence<uno::Any> const& /*rSeq*/)
 171 {
 172     return cppu::acquire(new oox::docprop::DocumentPropertiesImport(pCtx));
 173 }
 174
 175 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */