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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/embed/EntryInitModes.hpp>
#include <com/sun/star/embed/XEmbedObjectFactory.hpp>
#include <com/sun/star/embed/OOoEmbeddedObjectFactory.hpp>
#include <com/sun/star/embed/OLEEmbeddedObjectFactory.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/lang/NoSupportException.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <cppuhelper/supportsservice.hxx>
#include <cppuhelper/weak.hxx>
#include <comphelper/documentconstants.hxx>
#include <officecfg/Office/Common.hxx>
#include <xcreator.hxx>
#include <dummyobject.hxx>
using namespace ::com::sun::star;
uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitNew(
const uno::Sequence< sal_Int8 >& aClassID,
const OUString& aClassName,
const uno::Reference< embed::XStorage >& xStorage,
const OUString& sEntName,
const uno::Sequence< beans::PropertyValue >& lObjArgs )
{
if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
throw lang::NoSupportException("Active OLE content is disabled!");
if ( !xStorage.is() )
throw lang::IllegalArgumentException( "No parent storage is provided!",
static_cast< ::cppu::OWeakObject* >(this),
3 );
if ( sEntName.isEmpty() )
throw lang::IllegalArgumentException( "Empty element name is provided!",
static_cast< ::cppu::OWeakObject* >(this),
4 );
OUString aEmbedFactory = m_aConfigHelper.GetFactoryNameByClassID( aClassID );
if ( aEmbedFactory.isEmpty() )
{
// use system fallback
// TODO: in future users factories can be tested
aEmbedFactory = "com.sun.star.embed.OLEEmbeddedObjectFactory";
}
uno::Reference < uno::XInterface > xFact( m_xContext->getServiceManager()->createInstanceWithContext(aEmbedFactory, m_xContext) );
uno::Reference< embed::XEmbedObjectCreator > xEmbCreator( xFact, uno::UNO_QUERY );
if ( xEmbCreator.is() )
return xEmbCreator->createInstanceInitNew( aClassID, aClassName, xStorage, sEntName, lObjArgs );
uno::Reference < embed::XEmbedObjectFactory > xEmbFact( xFact, uno::UNO_QUERY_THROW );
return xEmbFact->createInstanceUserInit( aClassID, aClassName, xStorage, sEntName, embed::EntryInitModes::TRUNCATE_INIT, uno::Sequence < beans::PropertyValue >(), lObjArgs);
}
uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromEntry(
const uno::Reference< embed::XStorage >& xStorage,
const OUString& sEntName,
const uno::Sequence< beans::PropertyValue >& aMedDescr,
const uno::Sequence< beans::PropertyValue >& lObjArgs )
{
if ( !xStorage.is() )
throw lang::IllegalArgumentException( "No parent storage is provided!",
static_cast< ::cppu::OWeakObject* >(this),
1 );
if ( sEntName.isEmpty() )
throw lang::IllegalArgumentException( "Empty element name is provided!",
static_cast< ::cppu::OWeakObject* >(this),
2 );
uno::Reference< container::XNameAccess > xNameAccess( xStorage, uno::UNO_QUERY_THROW );
// detect entry existence
if ( !xNameAccess->hasByName( sEntName ) )
throw container::NoSuchElementException();
OUString aMediaType;
OUString aEmbedFactory;
if ( xStorage->isStorageElement( sEntName ) )
{
// the object must be based on storage
uno::Reference< embed::XStorage > xSubStorage =
xStorage->openStorageElement( sEntName, embed::ElementModes::READ );
uno::Reference< beans::XPropertySet > xPropSet( xSubStorage, uno::UNO_QUERY_THROW );
try {
uno::Any aAny = xPropSet->getPropertyValue("MediaType");
aAny >>= aMediaType;
}
catch ( const uno::Exception& )
{
}
try {
if ( xSubStorage.is() )
xSubStorage->dispose();
}
catch ( const uno::Exception& )
{
}
}
else
{
// the object must be based on stream
// it means for now that this is an OLE object
// the object will be created as embedded object
// after it is loaded it can detect that it is a link
uno::Reference< io::XStream > xSubStream =
xStorage->openStreamElement( sEntName, embed::ElementModes::READ );
uno::Reference< beans::XPropertySet > xPropSet( xSubStream, uno::UNO_QUERY_THROW );
try {
uno::Any aAny = xPropSet->getPropertyValue("MediaType");
aAny >>= aMediaType;
if ( aMediaType == "application/vnd.sun.star.oleobject" )
aEmbedFactory = "com.sun.star.embed.OLEEmbeddedObjectFactory";
}
catch ( const uno::Exception& )
{
}
try {
uno::Reference< lang::XComponent > xComp( xSubStream, uno::UNO_QUERY );
if ( xComp.is() )
xComp->dispose();
}
catch ( const uno::Exception& )
{
}
}
OSL_ENSURE( !aMediaType.isEmpty(), "No media type is specified for the object!" );
if ( !aMediaType.isEmpty() && aEmbedFactory.isEmpty() )
{
aEmbedFactory = m_aConfigHelper.GetFactoryNameByMediaType( aMediaType );
// If no factory is found, fall back to the FileFormatVersion=6200 filter, Base only has that.
if (aEmbedFactory.isEmpty() && aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_DATABASE_ASCII)
aEmbedFactory = m_aConfigHelper.GetFactoryNameByMediaType(MIMETYPE_VND_SUN_XML_BASE_ASCII);
}
if ( !aEmbedFactory.isEmpty()
// when active OLE content is disabled, ignore aEmbedFactory and force
// the embedded object to be an ODummyEmbeddedObject
&& !officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
{
uno::Reference< uno::XInterface > xFact = m_xContext->getServiceManager()->createInstanceWithContext(aEmbedFactory, m_xContext);
uno::Reference< embed::XEmbedObjectCreator > xEmbCreator( xFact, uno::UNO_QUERY );
if ( xEmbCreator.is() )
return xEmbCreator->createInstanceInitFromEntry( xStorage, sEntName, aMedDescr, lObjArgs );
uno::Reference < embed::XEmbedObjectFactory > xEmbFact( xFact, uno::UNO_QUERY );
if ( xEmbFact.is() )
return xEmbFact->createInstanceUserInit( uno::Sequence< sal_Int8 >(), OUString(), xStorage, sEntName, embed::EntryInitModes::DEFAULT_INIT, aMedDescr, lObjArgs);
}
// the default object should be created, it will allow to store the contents on the next saving
uno::Reference< uno::XInterface > xResult( static_cast< cppu::OWeakObject* >( new ODummyEmbeddedObject() ) );
uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY_THROW );
xPersist->setPersistentEntry( xStorage, sEntName, embed::EntryInitModes::DEFAULT_INIT, aMedDescr, lObjArgs );
return xResult;
}
/**
* Decides if rFilter should be used to load data into a doc model or real OLE embedding should
* happen. Empty return value means the later.
*/
static OUString HandleFilter(const OUString& rFilter)
{
OUString aRet = rFilter;
if (!officecfg::Office::Common::Filter::Microsoft::Import::WinWordToWriter::get())
{
if (rFilter == "MS Word 97" || rFilter == "MS Word 2007 XML")
{
aRet.clear();
}
}
if (!officecfg::Office::Common::Filter::Microsoft::Import::ExcelToCalc::get())
{
if (rFilter == "MS Excel 97" || rFilter == "Calc MS Excel 2007 XML")
{
aRet.clear();
}
}
if (!officecfg::Office::Common::Filter::Microsoft::Import::PowerPointToImpress::get())
{
if (rFilter == "MS PowerPoint 97" || rFilter == "Impress MS PowerPoint 2007 XML")
{
aRet.clear();
}
}
if (!officecfg::Office::Common::Filter::Microsoft::Import::VisioToDraw::get())
{
if (rFilter == "Visio Document")
{
aRet.clear();
}
}
if (!officecfg::Office::Common::Filter::Adobe::Import::PDFToDraw::get())
{
if (rFilter == "draw_pdf_import")
{
aRet.clear();
}
}
return aRet;
}
uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromMediaDescriptor(
const uno::Reference< embed::XStorage >& xStorage,
const OUString& sEntName,
const uno::Sequence< beans::PropertyValue >& aMediaDescr,
const uno::Sequence< beans::PropertyValue >& lObjArgs )
{
if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
throw lang::NoSupportException("Active OLE content is disabled!");
// TODO: use lObjArgs
if ( !xStorage.is() )
throw lang::IllegalArgumentException( "No parent storage is provided!",
static_cast< ::cppu::OWeakObject* >(this),
1 );
if ( sEntName.isEmpty() )
throw lang::IllegalArgumentException( "Empty element name is provided!",
static_cast< ::cppu::OWeakObject* >(this),
2 );
uno::Reference< uno::XInterface > xResult;
uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr );
// check if there is FilterName
OUString aFilterName = m_aConfigHelper.UpdateMediaDescriptorWithFilterName( aTempMedDescr, false );
aFilterName = HandleFilter(aFilterName);
if ( !aFilterName.isEmpty() )
{
// the object can be loaded by one of the office application
uno::Reference< embed::XEmbeddedObjectCreator > xOOoEmbCreator =
embed::OOoEmbeddedObjectFactory::create( m_xContext );
xResult = xOOoEmbCreator->createInstanceInitFromMediaDescriptor( xStorage,
sEntName,
aTempMedDescr,
lObjArgs );
}
else
{
// must be an OLE object
// TODO: in future, when more object types are possible this place seems
// to be a weak one, probably configuration must provide a type detection service
// for every factory, so any file could go through services until it is recognized
// or there is no more services
// Or for example the typename can be used to detect object type if typedetection
// was also extended.
uno::Reference< embed::XEmbeddedObjectCreator > xOleEmbCreator =
embed::OLEEmbeddedObjectFactory::create( m_xContext );
xResult = xOleEmbCreator->createInstanceInitFromMediaDescriptor( xStorage, sEntName, aTempMedDescr, lObjArgs );
}
return xResult;
}
uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceUserInit(
const uno::Sequence< sal_Int8 >& aClassID,
const OUString& sClassName,
const uno::Reference< embed::XStorage >& xStorage,
const OUString& sEntName,
sal_Int32 nEntryConnectionMode,
const uno::Sequence< beans::PropertyValue >& aArgs,
const uno::Sequence< beans::PropertyValue >& aObjectArgs )
{
if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
throw lang::NoSupportException("Active OLE content is disabled!");
if ( !xStorage.is() )
throw lang::IllegalArgumentException( "No parent storage is provided!",
static_cast< ::cppu::OWeakObject* >(this),
3 );
if ( sEntName.isEmpty() )
throw lang::IllegalArgumentException( "Empty element name is provided!",
static_cast< ::cppu::OWeakObject* >(this),
4 );
OUString aEmbedFactory = m_aConfigHelper.GetFactoryNameByClassID( aClassID );
uno::Reference< embed::XEmbedObjectFactory > xEmbFactory(
m_xContext->getServiceManager()->createInstanceWithContext(aEmbedFactory, m_xContext),
uno::UNO_QUERY_THROW );
return xEmbFactory->createInstanceUserInit( aClassID,
sClassName,
xStorage,
sEntName,
nEntryConnectionMode,
aArgs,
aObjectArgs );
}
uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceLink(
const uno::Reference< embed::XStorage >& xStorage,
const OUString& sEntName,
const uno::Sequence< beans::PropertyValue >& aMediaDescr,
const uno::Sequence< beans::PropertyValue >& lObjArgs )
{
if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
throw lang::NoSupportException("Active OLE content is disabled!");
uno::Reference< uno::XInterface > xResult;
uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr );
// check if there is URL, URL must exist
OUString aURL;
for ( beans::PropertyValue const & prop : std::as_const(aTempMedDescr) )
if ( prop.Name == "URL" )
prop.Value >>= aURL;
if ( aURL.isEmpty() )
throw lang::IllegalArgumentException( "No URL for the link is provided!",
static_cast< ::cppu::OWeakObject* >(this),
3 );
OUString aFilterName = m_aConfigHelper.UpdateMediaDescriptorWithFilterName( aTempMedDescr, false );
if ( !aFilterName.isEmpty() )
{
// the object can be loaded by one of the office application
uno::Reference< embed::XEmbeddedObjectCreator > xOOoLinkCreator =
embed::OOoEmbeddedObjectFactory::create( m_xContext );
xResult = xOOoLinkCreator->createInstanceLink( xStorage,
sEntName,
aTempMedDescr,
lObjArgs );
}
else
{
// must be an OLE link
// TODO: in future, when more object types are possible this place seems
// to be a weak one, probably configuration must provide a type detection service
// for every factory, so any file could go through services until it is recognized
// or there is no more services
// Or for example the typename can be used to detect object type if typedetection
// was also extended.
if ( !xStorage.is() )
throw lang::IllegalArgumentException( "No parent storage is provided!",
static_cast< ::cppu::OWeakObject* >(this),
3 );
if ( sEntName.isEmpty() )
throw lang::IllegalArgumentException( "Empty element name is provided!",
static_cast< ::cppu::OWeakObject* >(this),
4 );
uno::Reference< embed::XEmbeddedObjectCreator > xLinkCreator =
embed::OLEEmbeddedObjectFactory::create( m_xContext);
xResult = xLinkCreator->createInstanceLink( xStorage, sEntName, aTempMedDescr, lObjArgs );
}
return xResult;
}
OUString SAL_CALL UNOEmbeddedObjectCreator::getImplementationName()
{
return "com.sun.star.comp.embed.EmbeddedObjectCreator";
}
sal_Bool SAL_CALL UNOEmbeddedObjectCreator::supportsService( const OUString& ServiceName )
{
return cppu::supportsService(this, ServiceName);
}
uno::Sequence< OUString > SAL_CALL UNOEmbeddedObjectCreator::getSupportedServiceNames()
{
return { "com.sun.star.embed.EmbeddedObjectCreator", "com.sun.star.comp.embed.EmbeddedObjectCreator" };
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
embeddedobj_UNOEmbeddedObjectCreator_get_implementation(
css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
{
return cppu::acquire(new UNOEmbeddedObjectCreator(context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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