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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: documentsignaturehelper.cxx,v $
*
* $Revision: 1.7 $
*
* last change: $Author: obo $ $Date: 2006-09-16 14:40:11 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmlsecurity.hxx"
#include <xmlsecurity/documentsignaturehelper.hxx>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#ifndef _COM_SUN_STAR_EMBED_XSTORAGE_HPP_
#include <com/sun/star/embed/XStorage.hpp>
#endif
#ifndef _COM_SUN_STAR_EMBED_ELEMENTMODES_HPP_
#include <com/sun/star/embed/ElementModes.hpp>
#endif
#include <tools/debug.hxx>
using namespace ::com::sun::star;
void ImplFillElementList( std::vector< rtl::OUString >& rList, const uno::Reference < embed::XStorage >& rxStore, const ::rtl::OUString rRootStorageName, bool bRecursive )
{
::rtl::OUString aMetaInfName( RTL_CONSTASCII_USTRINGPARAM( "META-INF" ) );
::rtl::OUString aSep( RTL_CONSTASCII_USTRINGPARAM( "/" ) );
uno::Reference < container::XNameAccess > xElements( rxStore, uno::UNO_QUERY );
uno::Sequence< ::rtl::OUString > aElements = xElements->getElementNames();
sal_Int32 nElements = aElements.getLength();
const ::rtl::OUString* pNames = aElements.getConstArray();
for ( sal_Int32 n = 0; n < nElements; n++ )
{
if ( pNames[n] != aMetaInfName )
{
if ( rxStore->isStreamElement( pNames[n] ) )
{
::rtl::OUString aFullName( rRootStorageName + pNames[n] );
rList.push_back( aFullName );
}
else if ( bRecursive && rxStore->isStorageElement( pNames[n] ) )
{
uno::Reference < embed::XStorage > xSubStore = rxStore->openStorageElement( pNames[n], embed::ElementModes::READ );
rtl::OUString aFullRootName( rRootStorageName + pNames[n] + aSep );
ImplFillElementList( rList, xSubStore, aFullRootName, bRecursive );
}
}
}
}
std::vector< rtl::OUString > DocumentSignatureHelper::CreateElementList( const uno::Reference < embed::XStorage >& rxStore, const ::rtl::OUString rRootStorageName, DocumentSignatureMode eMode )
{
std::vector< rtl::OUString > aElements;
::rtl::OUString aSep( RTL_CONSTASCII_USTRINGPARAM( "/" ) );
switch ( eMode )
{
case SignatureModeDocumentContent:
{
// 1) Main content
ImplFillElementList( aElements, rxStore, ::rtl::OUString(), false );
// 2) Pictures...
rtl::OUString aSubStorageName( rtl::OUString::createFromAscii( "Pictures" ) );
try
{
uno::Reference < embed::XStorage > xSubStore = rxStore->openStorageElement( aSubStorageName, embed::ElementModes::READ );
ImplFillElementList( aElements, xSubStore, aSubStorageName+aSep, true );
}
catch( com::sun::star::io::IOException& )
{
; // Doesn't have to exist...
}
// 3) OLE....
aSubStorageName = rtl::OUString::createFromAscii( "ObjectReplacements" );
try
{
uno::Reference < embed::XStorage > xSubStore = rxStore->openStorageElement( aSubStorageName, embed::ElementModes::READ );
ImplFillElementList( aElements, xSubStore, aSubStorageName+aSep, true );
xSubStore.clear();
// Object folders...
rtl::OUString aMatchStr( rtl::OUString::createFromAscii( "Object " ) );
uno::Reference < container::XNameAccess > xElements( rxStore, uno::UNO_QUERY );
uno::Sequence< ::rtl::OUString > aElementNames = xElements->getElementNames();
sal_Int32 nElements = aElementNames.getLength();
const ::rtl::OUString* pNames = aElementNames.getConstArray();
for ( sal_Int32 n = 0; n < nElements; n++ )
{
if ( ( pNames[n].match( aMatchStr ) ) && rxStore->isStorageElement( pNames[n] ) )
{
uno::Reference < embed::XStorage > xSubStore = rxStore->openStorageElement( pNames[n], embed::ElementModes::READ );
ImplFillElementList( aElements, xSubStore, pNames[n]+aSep, true );
}
}
}
catch( com::sun::star::io::IOException& )
{
; // Doesn't have to exist...
}
}
break;
case SignatureModeMacros:
{
// 1) Macros
rtl::OUString aSubStorageName( rtl::OUString::createFromAscii( "Basic" ) );
try
{
uno::Reference < embed::XStorage > xSubStore = rxStore->openStorageElement( aSubStorageName, embed::ElementModes::READ );
ImplFillElementList( aElements, xSubStore, aSubStorageName+aSep, true );
}
catch( com::sun::star::io::IOException& )
{
; // Doesn't have to exist...
}
// 2) Dialogs
aSubStorageName = rtl::OUString::createFromAscii( "Dialogs") ;
try
{
uno::Reference < embed::XStorage > xSubStore = rxStore->openStorageElement( aSubStorageName, embed::ElementModes::READ );
ImplFillElementList( aElements, xSubStore, aSubStorageName+aSep, true );
}
catch( com::sun::star::io::IOException& )
{
; // Doesn't have to exist...
}
// 3) Scripts
aSubStorageName = rtl::OUString::createFromAscii( "Scripts") ;
try
{
uno::Reference < embed::XStorage > xSubStore = rxStore->openStorageElement( aSubStorageName, embed::ElementModes::READ );
ImplFillElementList( aElements, xSubStore, aSubStorageName+aSep, true );
}
catch( com::sun::star::io::IOException& )
{
; // Doesn't have to exist...
}
}
break;
case SignatureModePackage:
{
// Everything except META-INF
ImplFillElementList( aElements, rxStore, ::rtl::OUString(), true );
}
break;
}
return aElements;
}
SignatureStreamHelper DocumentSignatureHelper::OpenSignatureStream( const uno::Reference < embed::XStorage >& rxStore, sal_Int32 nOpenMode, DocumentSignatureMode eDocSigMode )
{
sal_Int32 nSubStorageOpenMode = embed::ElementModes::READ;
if ( nOpenMode & embed::ElementModes::WRITE )
nSubStorageOpenMode = embed::ElementModes::WRITE;
SignatureStreamHelper aHelper;
try
{
::rtl::OUString aSIGStoreName( RTL_CONSTASCII_USTRINGPARAM( "META-INF" ) );
aHelper.xSignatureStorage = rxStore->openStorageElement( aSIGStoreName, nSubStorageOpenMode );
if ( aHelper.xSignatureStorage.is() )
{
::rtl::OUString aSIGStreamName;
if ( eDocSigMode == SignatureModeDocumentContent )
aSIGStreamName = DocumentSignatureHelper::GetDocumentContentSignatureDefaultStreamName();
else if ( eDocSigMode == SignatureModeMacros )
aSIGStreamName = DocumentSignatureHelper::GetScriptingContentSignatureDefaultStreamName();
else
aSIGStreamName = DocumentSignatureHelper::GetPackageSignatureDefaultStreamName();
aHelper.xSignatureStream = aHelper.xSignatureStorage->openStreamElement( aSIGStreamName, nOpenMode );
}
}
catch( com::sun::star::io::IOException& )
{
// Doesn't have to exist...
DBG_ASSERT( nOpenMode == embed::ElementModes::READ, "Error creating signature stream..." );
}
return aHelper;
}
::rtl::OUString DocumentSignatureHelper::GetDocumentContentSignatureDefaultStreamName()
{
return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "documentsignatures.xml" ) );
}
::rtl::OUString DocumentSignatureHelper::GetScriptingContentSignatureDefaultStreamName()
{
return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "macrosignatures.xml" ) );
}
::rtl::OUString DocumentSignatureHelper::GetPackageSignatureDefaultStreamName()
{
return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "packagesignatures.xml" ) );
}
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