com.sun.xml.wss.impl.c14n.StAXEXC14nCanonicalizerImpl Maven / Gradle / Ivy
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This module contains the Metro WSIT runtime code.
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/*
* Copyright (c) 1997, 2022 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.wss.impl.c14n;
import com.sun.xml.wss.impl.MessageConstants;
import com.sun.xml.wss.impl.misc.UnsyncByteArrayOutputStream;
import java.io.IOException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLStreamException;
/**
*
* @author [email protected]
*/
public class StAXEXC14nCanonicalizerImpl extends StAXC14nCanonicalizerImpl {
private List inclusivePrefixList = null;
private HashSet visiblyUtilized = new HashSet();
private UnsyncByteArrayOutputStream tmpBuffer = null;
NamespaceContextImpl exC14NContext = new NamespaceContextImpl();
// Since the StreamMessage is leaving out the white spaces around message payload,
// it must be handled specially to allow message signature verification
// flag if it is time to write the prolog
private boolean bodyPrologueTime = false;
private String bodyPrologue;
private String bodyEpilogue;
private boolean forceDefNS =false;
/** Creates a new instance of StAXEC14nCanonicalizerImpl */
public StAXEXC14nCanonicalizerImpl() {
super();
tmpBuffer = new UnsyncByteArrayOutputStream();
}
public void setBodyPrologueTime(boolean bodyPrologueTime) {
this.bodyPrologueTime = bodyPrologueTime;
}
public void setBodyEpilogue(String bodyEpilogue) {
this.bodyEpilogue = bodyEpilogue;
}
public void setBodyPrologue(String bodyPrologue) {
this.bodyPrologue = bodyPrologue;
}
public boolean isParentToParentAdvice(){
if(_depth > 2){
ElementName qname = elementNames[_depth - 2];
if(qname.getUtf8Data().getLength() == 11 || qname.getUtf8Data().getLength() == 12){
String str = new String(qname.getUtf8Data().getBytes(), qname.getUtf8Data().getLength() - 6, 6);
return str.equals("Advice");
}else{
return false;
}
}
return false;
}
@Override
public void reset(){
super.reset();
exC14NContext.reset();
}
public void setInclusivePrefixList(List values){
this.inclusivePrefixList = values;
}
public List getInclusivePrefixList(){
return inclusivePrefixList;
}
public void forceDefaultNS(boolean isForce){
this.forceDefNS = isForce;
}
@Override
public void writeNamespace(String prefix, String namespaceURI) {
if(prefix == null || prefix.length() == 0){
String defNS = exC14NContext.getNamespaceURI(prefix);
if((defNS == null || defNS.length()== 0) && (namespaceURI == null || namespaceURI.length() ==0)){
if(!forceDefNS)
return;
}
if(namespaceURI == null){
namespaceURI = "";
}
_defURI = namespaceURI;
prefix = "";
}
exC14NContext.declareNamespace(prefix,namespaceURI);
}
@Override
public void writeStartElement(String prefix, String localName, String namespaceURI) throws XMLStreamException {
String pf = prefix;
if(prefix == null){
pf = "";
}
super.writeStartElement(pf,localName,namespaceURI);
_elementPrefix = pf;
exC14NContext.push();
}
@Override
@SuppressWarnings("unchecked")
protected void closeStartTag() {
try{
if(closeStartTag){
if(_attrResult.size() >0){
collectVisiblePrefixes(_attrResult.iterator());
}
if(_elementPrefix != null)
visiblyUtilized.add(_elementPrefix);
AttributeNS nsDecl = null;
/*
if(_elementPrefix != null && _elementPrefix.length() >=0){
AttributeNS eDecl = exC14NContext.getNamespaceDeclaration(_elementPrefix);
if(eDecl !=null && !eDecl.isWritten()){
eDecl.setWritten(true);
_nsResult.add(eDecl);
}
}*/
if(visiblyUtilized.size() > 0){
Iterator prefixItr = visiblyUtilized.iterator();
populateNamespaceDecl(prefixItr);
}
if(inclusivePrefixList != null){
populateNamespaceDecl(inclusivePrefixList.iterator());
}
if (forceDefNS) {
forceDefNS = false;
if (exC14NContext.getNamespaceDeclaration("") == null
&& "".equals(exC14NContext.getNamespaceURI(""))) {
AttributeNS ns = new AttributeNS();
ns.setPrefix("");
ns.setUri("");
if (!_nsResult.contains(ns)) {
_nsResult.add(ns);
}
}
}
if ( _nsResult.size() > 0) {
BaseCanonicalizer.sort(_nsResult);
writeAttributesNS(_nsResult);
}
if ( _attrResult.size() > 0 ) {
BaseCanonicalizer.sort(_attrResult);
writeAttributes(_attrResult);
}
visiblyUtilized.clear();
_nsResult.clear();
_attrResult.clear();
_stream .write('>');
// write the message body prolog leaved out be StreamMessage, if necessary
if (bodyPrologueTime) {
if (bodyPrologue != null) {
_stream.write(bodyPrologue.getBytes());
}
bodyPrologueTime = false;
}
closeStartTag = false;
_elementPrefix = null;
_defURI = null;
}
} catch (IOException ex) {
throw new RuntimeException(ex);
}
}
@Override
public void writeEmptyElement(String namespaceURI, String localName) {
/* String prefix = nsContext.getPrefix (namespaceURI);
writeEmptyElement (prefix,localName,namespaceURI);*/
//TODO
throw new UnsupportedOperationException();
}
@Override
@SuppressWarnings("unchecked")
public void writeEmptyElement(String prefix, String localName, String namespaceURI) throws XMLStreamException {
closeStartTag();
exC14NContext.push();
try {
_stream .write('<');
elemBuffer.reset();
if(prefix.length() == 0){
writeStringToUtf8(localName,elemBuffer);
}else{
writeStringToUtf8(prefix,elemBuffer);
writeStringToUtf8(":",elemBuffer);
writeStringToUtf8(localName,elemBuffer);
}
byte [] endElem = elemBuffer.getBytes();
int len = elemBuffer.getLength();
visiblyUtilized.add(prefix);
AttributeNS nsDecl = null;
_stream.write(endElem, 0, len);
if ( visiblyUtilized.size() > 0 ) {
Iterator prefixItr = visiblyUtilized.iterator();
populateNamespaceDecl(prefixItr);
}
if(inclusivePrefixList != null){
populateNamespaceDecl(inclusivePrefixList.iterator());
}
if ( _nsResult.size() > 0 ) {
BaseCanonicalizer.sort(_nsResult);
writeAttributesNS(_nsResult);
}
if ( _attrResult.size() > 0 ) {
BaseCanonicalizer.sort(_attrResult);
writeAttributes(_attrResult);
}
visiblyUtilized.clear();
_nsResult.clear();
_attrResult.clear();
// _stream .write('>');
closeStartTag = false;
_elementPrefix = "";
_defURI = null;
_stream .write('>');
_stream .write(_END_TAG);
//writeStringToUtf8(name,_stream);
_stream.write(endElem, 0, len);
_stream .write('>');
exC14NContext.pop();
} catch (IOException ex) {
throw new RuntimeException(ex);
}
}
@Override
public void writeEndDocument() throws XMLStreamException {
while(_depth > 0){
writeEndElement();
}
}
@Override
public void writeEndElement() throws XMLStreamException {
closeStartTag();
if(_depth ==0 ){
return;
}
ElementName qname = elementNames[--_depth];
exC14NContext.pop();
try {
// if it is a soap:Body to be closed, write original spaces left out by StreamMessage
// before closing element, if necessary
if (_depth == 0) {
String toBeClosed = new String(qname.getUtf8Data().getBytes());
// is this condition enough?
if (toBeClosed.contains(":Body") && bodyEpilogue != null) {
_stream.write(bodyEpilogue.getBytes());
}
}
_stream .write(_END_TAG);
//writeStringToUtf8(qname,_stream);
_stream.write(qname.getUtf8Data().getBytes(), 0, qname.getUtf8Data().getLength());
qname.getUtf8Data().reset();
_stream .write('>');
} catch (IOException ex) {
throw new RuntimeException(ex);
}
}
@SuppressWarnings("unchecked")
protected void collectVisiblePrefixes(Iterator itr) {
while(itr.hasNext()){
StAXAttr attr = (StAXAttr) itr.next();
String prefix = attr.getPrefix();
if(prefix.length() >0){
visiblyUtilized.add(prefix);
}
}
}
@SuppressWarnings("unchecked")
private void populateNamespaceDecl(Iterator prefixItr){
AttributeNS nsDecl = null;
while(prefixItr.hasNext() ){
String prefix = (String)prefixItr.next();
if(prefix.equals(MessageConstants.XML_PREFIX)){
continue;
}
nsDecl = exC14NContext.getNamespaceDeclaration(prefix);
if(nsDecl !=null && !nsDecl.isWritten()){
nsDecl.setWritten(true);
_nsResult.add(nsDecl);
}
}
}
protected void writeAttributesNS(List itr) throws IOException {
AttributeNS attr = null;
int size = itr.size();
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