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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: ManifestImport.cxx,v $
* $Revision: 1.12 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* ( a copy is included in the LICENSE file that accompanied this code ).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER( update_precomp.py ): autogen include statement, do not remove
#include "precompiled_package.hxx"
#include <ManifestImport.hxx>
#include <ManifestDefines.hxx>
#ifndef _BASE64_CODEC_HXX_
#include <Base64Codec.hxx>
#endif
#include <com/sun/star/xml/sax/XAttributeList.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
using namespace com::sun::star::uno;
using namespace com::sun::star::beans;
using namespace com::sun::star;
using namespace rtl;
using namespace std;
// ---------------------------------------------------
ManifestImport::ManifestImport( vector < Sequence < PropertyValue > > & rNewManVector )
: nNumProperty ( 0 )
, bIgnoreEncryptData ( sal_False )
, rManVector ( rNewManVector )
, sFileEntryElement ( RTL_CONSTASCII_USTRINGPARAM ( ELEMENT_FILE_ENTRY ) )
, sManifestElement ( RTL_CONSTASCII_USTRINGPARAM ( ELEMENT_MANIFEST ) )
, sEncryptionDataElement( RTL_CONSTASCII_USTRINGPARAM ( ELEMENT_ENCRYPTION_DATA ) )
, sAlgorithmElement ( RTL_CONSTASCII_USTRINGPARAM ( ELEMENT_ALGORITHM ) )
, sKeyDerivationElement( RTL_CONSTASCII_USTRINGPARAM ( ELEMENT_KEY_DERIVATION ) )
, sCdataAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_CDATA ) )
, sMediaTypeAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_MEDIA_TYPE ) )
, sVersionAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_VERSION ) )
, sFullPathAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_FULL_PATH ) )
, sSizeAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_SIZE ) )
, sSaltAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_SALT ) )
, sInitialisationVectorAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_INITIALISATION_VECTOR ) )
, sIterationCountAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_ITERATION_COUNT ) )
, sAlgorithmNameAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_ALGORITHM_NAME ) )
, sKeyDerivationNameAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_KEY_DERIVATION_NAME ) )
, sChecksumAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_CHECKSUM ) )
, sChecksumTypeAttribute ( RTL_CONSTASCII_USTRINGPARAM ( ATTRIBUTE_CHECKSUM_TYPE ) )
, sFullPathProperty ( RTL_CONSTASCII_USTRINGPARAM ( "FullPath" ) )
, sMediaTypeProperty ( RTL_CONSTASCII_USTRINGPARAM ( "MediaType" ) )
, sVersionProperty ( RTL_CONSTASCII_USTRINGPARAM ( "Version" ) )
, sIterationCountProperty ( RTL_CONSTASCII_USTRINGPARAM ( "IterationCount" ) )
, sSaltProperty ( RTL_CONSTASCII_USTRINGPARAM ( "Salt" ) )
, sInitialisationVectorProperty ( RTL_CONSTASCII_USTRINGPARAM ( "InitialisationVector" ) )
, sSizeProperty ( RTL_CONSTASCII_USTRINGPARAM ( "Size" ) )
, sDigestProperty ( RTL_CONSTASCII_USTRINGPARAM ( "Digest" ) )
, sWhiteSpace ( RTL_CONSTASCII_USTRINGPARAM ( " " ) )
, sBlowfish ( RTL_CONSTASCII_USTRINGPARAM ( "Blowfish CFB" ) )
, sPBKDF2 ( RTL_CONSTASCII_USTRINGPARAM ( "PBKDF2" ) )
, sChecksumType ( RTL_CONSTASCII_USTRINGPARAM ( CHECKSUM_TYPE ) )
{
aStack.reserve( 10 );
}
// ---------------------------------------------------
ManifestImport::~ManifestImport ( void )
{
}
// ---------------------------------------------------
void SAL_CALL ManifestImport::startDocument( )
throw( xml::sax::SAXException, uno::RuntimeException )
{
}
// ---------------------------------------------------
void SAL_CALL ManifestImport::endDocument( )
throw( xml::sax::SAXException, uno::RuntimeException )
{
}
// ---------------------------------------------------
void SAL_CALL ManifestImport::startElement( const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs )
throw( xml::sax::SAXException, uno::RuntimeException )
{
StringHashMap aConvertedAttribs;
::rtl::OUString aConvertedName = PushNameAndNamespaces( aName, xAttribs, aConvertedAttribs );
if ( aConvertedName == sFileEntryElement )
{
aSequence.realloc ( PKG_SIZE_ENCR_MNFST );
// Put full-path property first for MBA
aSequence[nNumProperty].Name = sFullPathProperty;
aSequence[nNumProperty++].Value <<= aConvertedAttribs[sFullPathAttribute];
aSequence[nNumProperty].Name = sMediaTypeProperty;
aSequence[nNumProperty++].Value <<= aConvertedAttribs[sMediaTypeAttribute];
OUString sVersion = aConvertedAttribs[sVersionAttribute];
if ( sVersion.getLength() )
{
aSequence[nNumProperty].Name = sVersionProperty;
aSequence[nNumProperty++].Value <<= sVersion;
}
OUString sSize = aConvertedAttribs[sSizeAttribute];
if ( sSize.getLength() )
{
sal_Int32 nSize;
nSize = sSize.toInt32();
aSequence[nNumProperty].Name = sSizeProperty;
aSequence[nNumProperty++].Value <<= nSize;
}
}
else if ( aStack.size() > 1 )
{
ManifestStack::reverse_iterator aIter = aStack.rbegin();
aIter++;
if ( aIter->m_aConvertedName.equals( sFileEntryElement ) )
{
if ( aConvertedName.equals( sEncryptionDataElement ) )
{
// If this element exists, then this stream is encrypted and we need
// to store the initialisation vector, salt and iteration count used
OUString aString = aConvertedAttribs[sChecksumTypeAttribute];
if ( aString == sChecksumType && !bIgnoreEncryptData )
{
aString = aConvertedAttribs[sChecksumAttribute];
Sequence < sal_uInt8 > aDecodeBuffer;
Base64Codec::decodeBase64 ( aDecodeBuffer, aString );
aSequence[nNumProperty].Name = sDigestProperty;
aSequence[nNumProperty++].Value <<= aDecodeBuffer;
}
}
}
else if ( aIter->m_aConvertedName.equals( sEncryptionDataElement ) )
{
if ( aConvertedName == sAlgorithmElement )
{
OUString aString = aConvertedAttribs[sAlgorithmNameAttribute];
if ( aString == sBlowfish && !bIgnoreEncryptData )
{
aString = aConvertedAttribs[sInitialisationVectorAttribute];
Sequence < sal_uInt8 > aDecodeBuffer;
Base64Codec::decodeBase64 ( aDecodeBuffer, aString );
aSequence[nNumProperty].Name = sInitialisationVectorProperty;
aSequence[nNumProperty++].Value <<= aDecodeBuffer;
}
else
// If we don't recognise the algorithm, then the key derivation info
// is useless to us
bIgnoreEncryptData = sal_True;
}
else if ( aConvertedName == sKeyDerivationElement )
{
OUString aString = aConvertedAttribs[sKeyDerivationNameAttribute];
if ( aString == sPBKDF2 && !bIgnoreEncryptData )
{
aString = aConvertedAttribs[sSaltAttribute];
Sequence < sal_uInt8 > aDecodeBuffer;
Base64Codec::decodeBase64 ( aDecodeBuffer, aString );
aSequence[nNumProperty].Name = sSaltProperty;
aSequence[nNumProperty++].Value <<= aDecodeBuffer;
aString = aConvertedAttribs[sIterationCountAttribute];
aSequence[nNumProperty].Name = sIterationCountProperty;
aSequence[nNumProperty++].Value <<= aString.toInt32();
}
else
// If we don't recognise the key derivation technique, then the
// algorithm info is useless to us
bIgnoreEncryptData = sal_True;
}
}
}
}
// ---------------------------------------------------
void SAL_CALL ManifestImport::endElement( const OUString& aName )
throw( xml::sax::SAXException, uno::RuntimeException )
{
::rtl::OUString aConvertedName = ConvertName( aName );
if ( !aStack.empty() && aStack.rbegin()->m_aConvertedName.equals( aConvertedName ) )
{
if ( aConvertedName.equals( sFileEntryElement ) )
{
aSequence.realloc ( nNumProperty );
bIgnoreEncryptData = sal_False;
rManVector.push_back ( aSequence );
nNumProperty = 0;
}
aStack.pop_back();
}
}
// ---------------------------------------------------
void SAL_CALL ManifestImport::characters( const OUString& /*aChars*/ )
throw( xml::sax::SAXException, uno::RuntimeException )
{
}
// ---------------------------------------------------
void SAL_CALL ManifestImport::ignorableWhitespace( const OUString& /*aWhitespaces*/ )
throw( xml::sax::SAXException, uno::RuntimeException )
{
}
// ---------------------------------------------------
void SAL_CALL ManifestImport::processingInstruction( const OUString& /*aTarget*/, const OUString& /*aData*/ )
throw( xml::sax::SAXException, uno::RuntimeException )
{
}
// ---------------------------------------------------
void SAL_CALL ManifestImport::setDocumentLocator( const uno::Reference< xml::sax::XLocator >& /*xLocator*/ )
throw( xml::sax::SAXException, uno::RuntimeException )
{
}
// ---------------------------------------------------
::rtl::OUString ManifestImport::PushNameAndNamespaces( const ::rtl::OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs, StringHashMap& o_aConvertedAttribs )
{
StringHashMap aNamespaces;
::std::vector< ::std::pair< ::rtl::OUString, ::rtl::OUString > > aAttribsStrs;
if ( xAttribs.is() )
{
sal_Int16 nAttrCount = xAttribs.is() ? xAttribs->getLength() : 0;
aAttribsStrs.reserve( nAttrCount );
for( sal_Int16 nInd = 0; nInd < nAttrCount; nInd++ )
{
::rtl::OUString aAttrName = xAttribs->getNameByIndex( nInd );
::rtl::OUString aAttrValue = xAttribs->getValueByIndex( nInd );
if ( aAttrName.getLength() >= 5
&& aAttrName.compareToAscii( "xmlns", 5 ) == 0
&& ( aAttrName.getLength() == 5 || aAttrName.getStr()[5] == ( sal_Unicode )':' ) )
{
// this is a namespace declaration
::rtl::OUString aNsName( ( aAttrName.getLength() == 5 ) ? ::rtl::OUString() : aAttrName.copy( 6 ) );
aNamespaces[aNsName] = aAttrValue;
}
else
{
// this is no namespace declaration
aAttribsStrs.push_back( pair< ::rtl::OUString, ::rtl::OUString >( aAttrName, aAttrValue ) );
}
}
}
::rtl::OUString aConvertedName = ConvertNameWithNamespace( aName, aNamespaces );
if ( !aConvertedName.getLength() )
aConvertedName = ConvertName( aName );
aStack.push_back( ManifestScopeEntry( aConvertedName, aNamespaces ) );
for ( sal_uInt16 nInd = 0; nInd < aAttribsStrs.size(); nInd++ )
{
// convert the attribute names on filling
o_aConvertedAttribs[ConvertName( aAttribsStrs[nInd].first )] = aAttribsStrs[nInd].second;
}
return aConvertedName;
}
// ---------------------------------------------------
::rtl::OUString ManifestImport::ConvertNameWithNamespace( const ::rtl::OUString& aName, const StringHashMap& aNamespaces )
{
::rtl::OUString aNsAlias;
::rtl::OUString aPureName = aName;
sal_Int32 nInd = aName.indexOf( ( sal_Unicode )':' );
if ( nInd != -1 && nInd < aName.getLength() )
{
aNsAlias = aName.copy( 0, nInd );
aPureName = aName.copy( nInd + 1 );
}
::rtl::OUString aResult;
StringHashMap::const_iterator aIter = aNamespaces.find( aNsAlias );
if ( aIter != aNamespaces.end()
&& ( aIter->second.equals( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( MANIFEST_NAMESPACE ) ) )
|| aIter->second.equals( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( MANIFEST_OASIS_NAMESPACE ) ) ) ) )
{
// no check for manifest.xml consistency currently since the old versions have supported inconsistent documents as well
aResult = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( MANIFEST_NSPREFIX ) );
aResult += aPureName;
}
return aResult;
}
// ---------------------------------------------------
::rtl::OUString ManifestImport::ConvertName( const ::rtl::OUString& aName )
{
::rtl::OUString aConvertedName;
for ( ManifestStack::reverse_iterator aIter = aStack.rbegin(); !aConvertedName.getLength() && aIter != aStack.rend(); aIter++ )
{
if ( !aIter->m_aNamespaces.empty() )
aConvertedName = ConvertNameWithNamespace( aName, aIter->m_aNamespaces );
}
if ( !aConvertedName.getLength() )
aConvertedName = aName;
return aConvertedName;
}
|
