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610 | /* -*- 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 "ManifestImport.hxx"
#include "ManifestDefines.hxx"
#include <sax/tools/converter.hxx>
#include <osl/diagnose.h>
#include <com/sun/star/xml/sax/XAttributeList.hpp>
#include <com/sun/star/xml/crypto/DigestID.hpp>
#include <com/sun/star/xml/crypto/CipherID.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <comphelper/base64.hxx>
#include <comphelper/sequence.hxx>
using namespace com::sun::star::uno;
using namespace com::sun::star::beans;
using namespace com::sun::star;
using namespace std;
static const OUStringLiteral gsFileEntryElement ( ELEMENT_FILE_ENTRY );
static const OUStringLiteral gsEncryptionDataElement( ELEMENT_ENCRYPTION_DATA );
static const OUStringLiteral gsAlgorithmElement ( ELEMENT_ALGORITHM );
static const OUStringLiteral gsStartKeyAlgElement ( ELEMENT_START_KEY_GENERATION );
static const OUStringLiteral gsKeyDerivationElement( ELEMENT_KEY_DERIVATION );
static const OUStringLiteral gsMediaTypeAttribute ( ATTRIBUTE_MEDIA_TYPE );
static const OUStringLiteral gsVersionAttribute ( ATTRIBUTE_VERSION );
static const OUStringLiteral gsFullPathAttribute ( ATTRIBUTE_FULL_PATH );
static const OUStringLiteral gsSizeAttribute ( ATTRIBUTE_SIZE );
static const OUStringLiteral gsSaltAttribute ( ATTRIBUTE_SALT );
static const OUStringLiteral gsInitialisationVectorAttribute ( ATTRIBUTE_INITIALISATION_VECTOR );
static const OUStringLiteral gsIterationCountAttribute ( ATTRIBUTE_ITERATION_COUNT );
static const OUStringLiteral gsKeySizeAttribute ( ATTRIBUTE_KEY_SIZE );
static const OUStringLiteral gsAlgorithmNameAttribute ( ATTRIBUTE_ALGORITHM_NAME );
static const OUStringLiteral gsStartKeyAlgNameAttribute ( ATTRIBUTE_START_KEY_GENERATION_NAME );
static const OUStringLiteral gsKeyDerivationNameAttribute ( ATTRIBUTE_KEY_DERIVATION_NAME );
static const OUStringLiteral gsChecksumAttribute ( ATTRIBUTE_CHECKSUM );
static const OUStringLiteral gsChecksumTypeAttribute ( ATTRIBUTE_CHECKSUM_TYPE );
static const OUStringLiteral gsKeyInfoElement ( ELEMENT_ENCRYPTED_KEYINFO );
static const OUStringLiteral gsManifestKeyInfoElement ( ELEMENT_MANIFEST_KEYINFO );
static const OUStringLiteral gsEncryptedKeyElement ( ELEMENT_ENCRYPTEDKEY );
static const OUStringLiteral gsEncryptionMethodElement ( ELEMENT_ENCRYPTIONMETHOD );
static const OUStringLiteral gsPgpDataElement ( ELEMENT_PGPDATA );
static const OUStringLiteral gsPgpKeyIDElement ( ELEMENT_PGPKEYID );
static const OUStringLiteral gsPGPKeyPacketElement ( ELEMENT_PGPKEYPACKET );
static const OUStringLiteral gsAlgorithmAttribute ( ATTRIBUTE_ALGORITHM );
static const OUStringLiteral gsCipherDataElement ( ELEMENT_CIPHERDATA );
static const OUStringLiteral gsCipherValueElement ( ELEMENT_CIPHERVALUE );
static const OUStringLiteral gsManifestKeyInfoElement13 ( ELEMENT_MANIFEST13_KEYINFO );
static const OUStringLiteral gsEncryptedKeyElement13 ( ELEMENT_ENCRYPTEDKEY13 );
static const OUStringLiteral gsEncryptionMethodElement13 ( ELEMENT_ENCRYPTIONMETHOD13 );
static const OUStringLiteral gsPgpDataElement13 ( ELEMENT_PGPDATA13 );
static const OUStringLiteral gsPgpKeyIDElement13 ( ELEMENT_PGPKEYID13 );
static const OUStringLiteral gsPGPKeyPacketElement13 ( ELEMENT_PGPKEYPACKET13 );
static const OUStringLiteral gsAlgorithmAttribute13 ( ATTRIBUTE_ALGORITHM13 );
static const OUStringLiteral gsCipherDataElement13 ( ELEMENT_CIPHERDATA13 );
static const OUStringLiteral gsCipherValueElement13 ( ELEMENT_CIPHERVALUE13 );
static const OUStringLiteral gsFullPathProperty ( "FullPath" );
static const OUStringLiteral gsMediaTypeProperty ( "MediaType" );
static const OUStringLiteral gsVersionProperty ( "Version" );
static const OUStringLiteral gsIterationCountProperty ( "IterationCount" );
static const OUStringLiteral gsDerivedKeySizeProperty ( "DerivedKeySize" );
static const OUStringLiteral gsSaltProperty ( "Salt" );
static const OUStringLiteral gsInitialisationVectorProperty ( "InitialisationVector" );
static const OUStringLiteral gsSizeProperty ( "Size" );
static const OUStringLiteral gsDigestProperty ( "Digest" );
static const OUStringLiteral gsEncryptionAlgProperty ( "EncryptionAlgorithm" );
static const OUStringLiteral gsStartKeyAlgProperty ( "StartKeyAlgorithm" );
static const OUStringLiteral gsDigestAlgProperty ( "DigestAlgorithm" );
static const OUStringLiteral gsSHA256_URL_ODF12 ( SHA256_URL_ODF12 );
static const OUStringLiteral gsSHA256_URL ( SHA256_URL );
static const OUStringLiteral gsSHA1_Name ( SHA1_NAME );
static const OUStringLiteral gsSHA1_URL ( SHA1_URL );
static const OUStringLiteral gsSHA256_1k_URL ( SHA256_1K_URL );
static const OUStringLiteral gsSHA1_1k_Name ( SHA1_1K_NAME );
static const OUStringLiteral gsSHA1_1k_URL ( SHA1_1K_URL );
static const OUStringLiteral gsBlowfish_Name ( BLOWFISH_NAME );
static const OUStringLiteral gsBlowfish_URL ( BLOWFISH_URL );
static const OUStringLiteral gsAES128_URL ( AES128_URL );
static const OUStringLiteral gsAES192_URL ( AES192_URL );
static const OUStringLiteral gsAES256_URL ( AES256_URL );
static const OUStringLiteral gsPBKDF2_Name ( PBKDF2_NAME );
static const OUStringLiteral gsPBKDF2_URL ( PBKDF2_URL );
ManifestImport::ManifestImport( vector < Sequence < PropertyValue > > & rNewManVector )
: bIgnoreEncryptData ( false )
, bPgpEncryption ( false )
, nDerivedKeySize( 0 )
, rManVector ( rNewManVector )
{
aStack.reserve( 10 );
}
ManifestImport::~ManifestImport()
{
}
void SAL_CALL ManifestImport::startDocument( )
{
}
void SAL_CALL ManifestImport::endDocument( )
{
}
void ManifestImport::doFileEntry(StringHashMap &rConvertedAttribs)<--- Parameter 'rConvertedAttribs' can be declared with const
{
aSequence.resize(PKG_SIZE_ENCR_MNFST);
aSequence[PKG_MNFST_FULLPATH].Name = gsFullPathProperty;
aSequence[PKG_MNFST_FULLPATH].Value <<= rConvertedAttribs[gsFullPathAttribute];
aSequence[PKG_MNFST_MEDIATYPE].Name = gsMediaTypeProperty;
aSequence[PKG_MNFST_MEDIATYPE].Value <<= rConvertedAttribs[gsMediaTypeAttribute];
OUString sVersion = rConvertedAttribs[gsVersionAttribute];
if ( sVersion.getLength() ) {
aSequence[PKG_MNFST_VERSION].Name = gsVersionProperty;
aSequence[PKG_MNFST_VERSION].Value <<= sVersion;
}
OUString sSize = rConvertedAttribs[gsSizeAttribute];
if ( sSize.getLength() ) {
sal_Int64 nSize = sSize.toInt64();
aSequence[PKG_MNFST_UCOMPSIZE].Name = gsSizeProperty;
aSequence[PKG_MNFST_UCOMPSIZE].Value <<= nSize;
}
}
void ManifestImport::doEncryptedKey(StringHashMap &)
{
aKeyInfoSequence.clear();
aKeyInfoSequence.resize(3);
}
void ManifestImport::doEncryptionMethod(StringHashMap &rConvertedAttribs,<--- Parameter 'rConvertedAttribs' can be declared with const
const OUString& rAlgoAttrName)
{
OUString aString = rConvertedAttribs[rAlgoAttrName];
if ( aKeyInfoSequence.size() != 3
|| aString != "http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p" )
{
bIgnoreEncryptData = true;
}
}
void ManifestImport::doEncryptedCipherValue()
{
if ( aKeyInfoSequence.size() == 3 )
{
aKeyInfoSequence[2].Name = "CipherValue";
uno::Sequence < sal_Int8 > aDecodeBuffer;
::comphelper::Base64::decode(aDecodeBuffer, aCurrentCharacters.toString());
aKeyInfoSequence[2].Value <<= aDecodeBuffer;
aCurrentCharacters = ""; // consumed
}
else
bIgnoreEncryptData = true;
}
void ManifestImport::doEncryptedKeyId()
{
if ( aKeyInfoSequence.size() == 3 )
{
aKeyInfoSequence[0].Name = "KeyId";
uno::Sequence < sal_Int8 > aDecodeBuffer;
::comphelper::Base64::decode(aDecodeBuffer, aCurrentCharacters.toString());
aKeyInfoSequence[0].Value <<= aDecodeBuffer;
aCurrentCharacters = ""; // consumed
}
else
bIgnoreEncryptData = true;
}
void ManifestImport::doEncryptedKeyPacket()
{
if ( aKeyInfoSequence.size() == 3 )
{
aKeyInfoSequence[1].Name = "KeyPacket";
uno::Sequence < sal_Int8 > aDecodeBuffer;
::comphelper::Base64::decode(aDecodeBuffer, aCurrentCharacters.toString());
aKeyInfoSequence[1].Value <<= aDecodeBuffer;
aCurrentCharacters = ""; // consumed
}
else
bIgnoreEncryptData = true;
}
void ManifestImport::doEncryptionData(StringHashMap &rConvertedAttribs)<--- Parameter 'rConvertedAttribs' can be declared with const
{
// If this element exists, then this stream is encrypted and we need
// to import the initialisation vector, salt and iteration count used
nDerivedKeySize = 0;
OUString aString = rConvertedAttribs[gsChecksumTypeAttribute];
if ( bIgnoreEncryptData )
return;
if ( aString == gsSHA1_1k_Name || aString == gsSHA1_1k_URL ) {
aSequence[PKG_MNFST_DIGESTALG].Name = gsDigestAlgProperty;
aSequence[PKG_MNFST_DIGESTALG].Value <<= xml::crypto::DigestID::SHA1_1K;
} else if ( aString == gsSHA256_1k_URL ) {
aSequence[PKG_MNFST_DIGESTALG].Name = gsDigestAlgProperty;
aSequence[PKG_MNFST_DIGESTALG].Value <<= xml::crypto::DigestID::SHA256_1K;
} else
bIgnoreEncryptData = true;
if ( !bIgnoreEncryptData ) {
aString = rConvertedAttribs[gsChecksumAttribute];
uno::Sequence < sal_Int8 > aDecodeBuffer;
::comphelper::Base64::decode(aDecodeBuffer, aString);
aSequence[PKG_MNFST_DIGEST].Name = gsDigestProperty;
aSequence[PKG_MNFST_DIGEST].Value <<= aDecodeBuffer;
}
}
void ManifestImport::doAlgorithm(StringHashMap &rConvertedAttribs)<--- Parameter 'rConvertedAttribs' can be declared with const
{
if ( bIgnoreEncryptData )
return;
OUString aString = rConvertedAttribs[gsAlgorithmNameAttribute];
if ( aString == gsBlowfish_Name || aString == gsBlowfish_URL ) {
aSequence[PKG_MNFST_ENCALG].Name = gsEncryptionAlgProperty;
aSequence[PKG_MNFST_ENCALG].Value <<= xml::crypto::CipherID::BLOWFISH_CFB_8;
} else if ( aString == gsAES256_URL ) {
aSequence[PKG_MNFST_ENCALG].Name = gsEncryptionAlgProperty;
aSequence[PKG_MNFST_ENCALG].Value <<= xml::crypto::CipherID::AES_CBC_W3C_PADDING;
OSL_ENSURE( !nDerivedKeySize || nDerivedKeySize == 32, "Unexpected derived key length!" );
nDerivedKeySize = 32;
} else if ( aString == gsAES192_URL ) {
aSequence[PKG_MNFST_ENCALG].Name = gsEncryptionAlgProperty;
aSequence[PKG_MNFST_ENCALG].Value <<= xml::crypto::CipherID::AES_CBC_W3C_PADDING;
OSL_ENSURE( !nDerivedKeySize || nDerivedKeySize == 24, "Unexpected derived key length!" );
nDerivedKeySize = 24;
} else if ( aString == gsAES128_URL ) {
aSequence[PKG_MNFST_ENCALG].Name = gsEncryptionAlgProperty;
aSequence[PKG_MNFST_ENCALG].Value <<= xml::crypto::CipherID::AES_CBC_W3C_PADDING;
OSL_ENSURE( !nDerivedKeySize || nDerivedKeySize == 16, "Unexpected derived key length!" );
nDerivedKeySize = 16;
} else
bIgnoreEncryptData = true;
if ( !bIgnoreEncryptData ) {
aString = rConvertedAttribs[gsInitialisationVectorAttribute];
uno::Sequence < sal_Int8 > aDecodeBuffer;
::comphelper::Base64::decode(aDecodeBuffer, aString);
aSequence[PKG_MNFST_INIVECTOR].Name = gsInitialisationVectorProperty;
aSequence[PKG_MNFST_INIVECTOR].Value <<= aDecodeBuffer;
}
}
void ManifestImport::doKeyDerivation(StringHashMap &rConvertedAttribs)<--- Parameter 'rConvertedAttribs' can be declared with const
{
if ( bIgnoreEncryptData )
return;
OUString aString = rConvertedAttribs[gsKeyDerivationNameAttribute];
if ( aString == gsPBKDF2_Name || aString == gsPBKDF2_URL ) {
aString = rConvertedAttribs[gsSaltAttribute];
uno::Sequence < sal_Int8 > aDecodeBuffer;
::comphelper::Base64::decode(aDecodeBuffer, aString);
aSequence[PKG_MNFST_SALT].Name = gsSaltProperty;
aSequence[PKG_MNFST_SALT].Value <<= aDecodeBuffer;
aString = rConvertedAttribs[gsIterationCountAttribute];
aSequence[PKG_MNFST_ITERATION].Name = gsIterationCountProperty;
aSequence[PKG_MNFST_ITERATION].Value <<= aString.toInt32();
aString = rConvertedAttribs[gsKeySizeAttribute];
if ( aString.getLength() ) {
sal_Int32 nKey = aString.toInt32();
OSL_ENSURE( !nDerivedKeySize || nKey == nDerivedKeySize , "Provided derived key length differs from the expected one!" );
nDerivedKeySize = nKey;
} else if ( !nDerivedKeySize )
nDerivedKeySize = 16;
else if ( nDerivedKeySize != 16 )
OSL_ENSURE( false, "Default derived key length differs from the expected one!" );
aSequence[PKG_MNFST_DERKEYSIZE].Name = gsDerivedKeySizeProperty;
aSequence[PKG_MNFST_DERKEYSIZE].Value <<= nDerivedKeySize;
} else if ( bPgpEncryption ) {
if ( aString != "PGP" )
bIgnoreEncryptData = true;
} else
bIgnoreEncryptData = true;
}
void ManifestImport::doStartKeyAlg(StringHashMap &rConvertedAttribs)<--- Parameter 'rConvertedAttribs' can be declared with const
{
OUString aString = rConvertedAttribs[gsStartKeyAlgNameAttribute];
if (aString == gsSHA256_URL || aString == gsSHA256_URL_ODF12) {
aSequence[PKG_MNFST_STARTALG].Name = gsStartKeyAlgProperty;
aSequence[PKG_MNFST_STARTALG].Value <<= xml::crypto::DigestID::SHA256;
} else if ( aString == gsSHA1_Name || aString == gsSHA1_URL ) {
aSequence[PKG_MNFST_STARTALG].Name = gsStartKeyAlgProperty;
aSequence[PKG_MNFST_STARTALG].Value <<= xml::crypto::DigestID::SHA1;
} else
bIgnoreEncryptData = true;
}
void SAL_CALL ManifestImport::startElement( const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs )
{
StringHashMap aConvertedAttribs;
OUString aConvertedName = PushNameAndNamespaces( aName, xAttribs, aConvertedAttribs );
size_t nLevel = aStack.size();
assert(nLevel >= 1);
switch (nLevel) {
case 1: {
if (aConvertedName != ELEMENT_MANIFEST) //manifest:manifest
aStack.back().m_bValid = false;
break;
}
case 2: {
if (aConvertedName == gsFileEntryElement) //manifest:file-entry
doFileEntry(aConvertedAttribs);
else if (aConvertedName == gsManifestKeyInfoElement) //loext:keyinfo
;
else if (aConvertedName == gsEncryptedKeyElement13) //manifest:encrypted-key
doEncryptedKey(aConvertedAttribs);
else
aStack.back().m_bValid = false;
break;
}
case 3: {
ManifestStack::reverse_iterator aIter = aStack.rbegin();
++aIter;
if (!aIter->m_bValid)
aStack.back().m_bValid = false;
else if (aConvertedName == gsEncryptionDataElement) //manifest:encryption-data
doEncryptionData(aConvertedAttribs);
else if (aConvertedName == gsEncryptedKeyElement) //loext:encrypted-key
doEncryptedKey(aConvertedAttribs);
else if (aConvertedName == gsEncryptionMethodElement13) //manifest:encryption-method
doEncryptionMethod(aConvertedAttribs, gsAlgorithmAttribute13);
else if (aConvertedName == gsManifestKeyInfoElement13) //manifest:keyinfo
;
else if (aConvertedName == gsCipherDataElement13) //manifest:CipherData
;
else
aStack.back().m_bValid = false;
break;
}
case 4: {
ManifestStack::reverse_iterator aIter = aStack.rbegin();
++aIter;
if (!aIter->m_bValid)
aStack.back().m_bValid = false;
else if (aConvertedName == gsAlgorithmElement) //manifest:algorithm,
doAlgorithm(aConvertedAttribs);
else if (aConvertedName == gsKeyDerivationElement) //manifest:key-derivation,
doKeyDerivation(aConvertedAttribs);
else if (aConvertedName == gsStartKeyAlgElement) //manifest:start-key-generation
doStartKeyAlg(aConvertedAttribs);
else if (aConvertedName == gsEncryptionMethodElement) //loext:encryption-method
doEncryptionMethod(aConvertedAttribs, gsAlgorithmAttribute);
else if (aConvertedName == gsKeyInfoElement) //loext:KeyInfo
;
else if (aConvertedName == gsCipherDataElement) //loext:CipherData
;
else if (aConvertedName == gsPgpDataElement13) //manifest:PGPData
;
else if (aConvertedName == gsCipherValueElement13) //manifest:CipherValue
// ciphervalue action happens on endElement
aCurrentCharacters = "";
else
aStack.back().m_bValid = false;
break;
}
case 5: {
ManifestStack::reverse_iterator aIter = aStack.rbegin();
++aIter;
if (!aIter->m_bValid)
aStack.back().m_bValid = false;
else if (aConvertedName == gsPgpDataElement) //loext:PGPData
;
else if (aConvertedName == gsCipherValueElement) //loext:CipherValue
// ciphervalue action happens on endElement
aCurrentCharacters = "";
else if (aConvertedName == gsPgpKeyIDElement13) //manifest:PGPKeyID
// ciphervalue action happens on endElement
aCurrentCharacters = "";
else if (aConvertedName == gsPGPKeyPacketElement13) //manifest:PGPKeyPacket
// ciphervalue action happens on endElement
aCurrentCharacters = "";
else
aStack.back().m_bValid = false;
break;
}
case 6: {
ManifestStack::reverse_iterator aIter = aStack.rbegin();
++aIter;
if (!aIter->m_bValid)
aStack.back().m_bValid = false;
else if (aConvertedName == gsPgpKeyIDElement) //loext:PGPKeyID
// ciphervalue action happens on endElement
aCurrentCharacters = "";
else if (aConvertedName == gsPGPKeyPacketElement) //loext:PGPKeyPacket
// ciphervalue action happens on endElement
aCurrentCharacters = "";
else
aStack.back().m_bValid = false;
break;
}
default:
aStack.back().m_bValid = false;
break;
}
}
namespace
{
bool isEmpty(const css::beans::PropertyValue &rProp)
{
return rProp.Name.isEmpty();
}
}
void SAL_CALL ManifestImport::endElement( const OUString& aName )
{
size_t nLevel = aStack.size();
assert(nLevel >= 1);
OUString aConvertedName = ConvertName( aName );
if ( !(!aStack.empty() && aStack.rbegin()->m_aConvertedName == aConvertedName) ) return;
if ( aConvertedName == gsFileEntryElement && aStack.back().m_bValid ) {
// root folder gets KeyInfo entry if any, for PGP encryption
if (!bIgnoreEncryptData && !aKeys.empty() && aSequence[PKG_MNFST_FULLPATH].Value.get<OUString>() == "/" )
{
aSequence[PKG_SIZE_NOENCR_MNFST].Name = "KeyInfo";
aSequence[PKG_SIZE_NOENCR_MNFST].Value <<= comphelper::containerToSequence(aKeys);
}
aSequence.erase(std::remove_if(aSequence.begin(), aSequence.end(),
isEmpty), aSequence.end());
bIgnoreEncryptData = false;
rManVector.push_back ( comphelper::containerToSequence(aSequence) );
aSequence.clear();
}
else if ( (aConvertedName == gsEncryptedKeyElement
|| aConvertedName == gsEncryptedKeyElement13)
&& aStack.back().m_bValid ) {
if ( !bIgnoreEncryptData )
{
aKeys.push_back( comphelper::containerToSequence(aKeyInfoSequence) );
bPgpEncryption = true;
}
aKeyInfoSequence.clear();
}
// end element handling for elements with cdata
switch (nLevel) {
case 4: {
if (aConvertedName == gsCipherValueElement13) //manifest:CipherValue
doEncryptedCipherValue();
else
aStack.back().m_bValid = false;
break;
}
case 5: {
if (aConvertedName == gsCipherValueElement) //loext:CipherValue
doEncryptedCipherValue();
else if (aConvertedName == gsPgpKeyIDElement13) //manifest:PGPKeyID
doEncryptedKeyId();
else if (aConvertedName == gsPGPKeyPacketElement13) //manifest:PGPKeyPacket
doEncryptedKeyPacket();
else
aStack.back().m_bValid = false;
break;
}
case 6: {
if (aConvertedName == gsPgpKeyIDElement) //loext:PGPKeyID
doEncryptedKeyId();
else if (aConvertedName == gsPGPKeyPacketElement) //loext:PGPKeyPacket
doEncryptedKeyPacket();
else
aStack.back().m_bValid = false;
break;
}
}
aStack.pop_back();
}
void SAL_CALL ManifestImport::characters( const OUString& aChars )
{
aCurrentCharacters.append(aChars);
}
void SAL_CALL ManifestImport::ignorableWhitespace( const OUString& /*aWhitespaces*/ )
{
}
void SAL_CALL ManifestImport::processingInstruction( const OUString& /*aTarget*/, const OUString& /*aData*/ )
{
}
void SAL_CALL ManifestImport::setDocumentLocator( const uno::Reference< xml::sax::XLocator >& /*xLocator*/ )
{
}
OUString ManifestImport::PushNameAndNamespaces( const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs, StringHashMap& o_aConvertedAttribs )
{
StringHashMap aNamespaces;
::std::vector< ::std::pair< OUString, OUString > > aAttribsStrs;
if ( xAttribs.is() ) {
sal_Int16 nAttrCount = xAttribs.is() ? xAttribs->getLength() : 0;
aAttribsStrs.reserve( nAttrCount );
for( sal_Int16 nInd = 0; nInd < nAttrCount; nInd++ ) {
OUString aAttrName = xAttribs->getNameByIndex( nInd );
OUString aAttrValue = xAttribs->getValueByIndex( nInd );
if ( aAttrName.getLength() >= 5
&& aAttrName.startsWith("xmlns")
&& ( aAttrName.getLength() == 5 || aAttrName[5] == ':' ) ) {
// this is a namespace declaration
OUString aNsName( ( aAttrName.getLength() == 5 ) ? OUString() : aAttrName.copy( 6 ) );
aNamespaces[aNsName] = aAttrValue;
} else {
// this is no namespace declaration
aAttribsStrs.emplace_back( aAttrName, aAttrValue );
}
}
}
OUString aConvertedName = ConvertNameWithNamespace( aName, aNamespaces );
if ( !aConvertedName.getLength() )
aConvertedName = ConvertName( aName );
aStack.emplace_back( aConvertedName, aNamespaces );
for (const std::pair<OUString,OUString> & rAttribsStr : aAttribsStrs) {
// convert the attribute names on filling
o_aConvertedAttribs[ConvertName( rAttribsStr.first )] = rAttribsStr.second;
}
return aConvertedName;
}
OUString ManifestImport::ConvertNameWithNamespace( const OUString& aName, const StringHashMap& aNamespaces )
{
OUString aNsAlias;
OUString aPureName = aName;
sal_Int32 nInd = aName.indexOf( ':' );
if ( nInd != -1 && nInd < aName.getLength() ) {
aNsAlias = aName.copy( 0, nInd );
aPureName = aName.copy( nInd + 1 );
}
OUString aResult;
StringHashMap::const_iterator aIter = aNamespaces.find( aNsAlias );
if ( aIter != aNamespaces.end()
&& ( aIter->second == MANIFEST_NAMESPACE || aIter->second == MANIFEST_OASIS_NAMESPACE ) ) {
// no check for manifest.xml consistency currently since the old versions have supported inconsistent documents as well
aResult = MANIFEST_NSPREFIX + aPureName;
}
return aResult;
}
OUString ManifestImport::ConvertName( const OUString& aName )
{
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;
}
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