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