/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.xml.ws.security.opt.impl.dsig;
import com.sun.xml.ws.security.opt.crypto.JAXBData;
import com.sun.xml.ws.security.opt.crypto.StreamWriterData;
import com.sun.xml.ws.security.opt.impl.crypto.OctectStreamData;
import com.sun.xml.ws.security.opt.impl.JAXBFilterProcessingContext;
import com.sun.xml.wss.XWSSecurityException;
import com.sun.xml.wss.impl.MessageConstants;
import com.sun.xml.wss.impl.c14n.StAXEXC14nCanonicalizerImpl;
import com.sun.xml.wss.logging.LogDomainConstants;
import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.crypto.Data;
import javax.xml.crypto.URIDereferencer;
import javax.xml.crypto.URIReference;
import javax.xml.crypto.URIReferenceException;
import javax.xml.crypto.XMLCryptoContext;
import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.jvnet.staxex.NamespaceContextEx;
import com.sun.xml.wss.logging.impl.opt.signature.LogStringsMessages;
/**
*
* @author K.Venugopal@sun.com
*/
public class StAXSTRTransformWriter implements XMLStreamWriter,StreamWriterData{
private static final Logger logger = Logger.getLogger(LogDomainConstants.IMPL_OPT_SIGNATURE_DOMAIN,
LogDomainConstants.IMPL_OPT_SIGNATURE_DOMAIN_BUNDLE);
private XMLStreamWriter nextWriter = null;
private boolean ignore = false;
private boolean derefSAMLKeyIdentifier = false;
private Data data = null;
private int index = 0;
private NamespaceContextEx ns = null;
private boolean directReference = false;
private boolean first = true;
private String directReferenceValue = "";
private XMLCryptoContext xMLCryptoContext;
private String strId = "";
/** Creates a new instance of StAXEnvelopedTransformWriter */
public StAXSTRTransformWriter(XMLStreamWriter writer,Data data,XMLCryptoContext xMLCryptoContext) {
this.nextWriter = writer;
this.data = data;
if(data instanceof JAXBData){
ns = ((JAXBData)data).getNamespaceContext();
}else if(data instanceof StreamWriterData){
ns = ((StreamWriterData)data).getNamespaceContext();
}
this.xMLCryptoContext = xMLCryptoContext;
//filterContext = (JAXBFilterProcessingContext) xMLCryptoContext.get(MessageConstants.WSS_PROCESSING_CONTEXT);
}
public StAXSTRTransformWriter(Data data,XMLCryptoContext xMLCryptoContext,String refId) {
this.data = data;
if(data instanceof JAXBData){
ns = ((JAXBData)data).getNamespaceContext();
}else if(data instanceof StreamWriterData){
ns = ((StreamWriterData)data).getNamespaceContext();
}
this.xMLCryptoContext = xMLCryptoContext;
this.strId = refId;
//filterContext = (JAXBFilterProcessingContext) xMLCryptoContext.get(MessageConstants.WSS_PROCESSING_CONTEXT);
}
public NamespaceContextEx getNamespaceContext() {
return ns;
}
public void close() throws XMLStreamException {
nextWriter.close();
}
public void flush() throws XMLStreamException {
nextWriter.flush();
}
public void writeEndDocument() throws XMLStreamException {
if(index >0){
int size = index;
for(int i=0;i<size;i++){
writeEndElement();
}
}
nextWriter.writeEndDocument();
}
public void writeEndElement() throws XMLStreamException {
if(index == 1 && !ignore ){
nextWriter.writeEndElement();
}
if(index > 0){
index --;
}
if(index == 0){
if(ignore){
ignore = false;
derefernceSTR();
}
nextWriter.writeEndElement();
if (derefSAMLKeyIdentifier){
derefSAMLKeyIdentifier = false;
}
if(directReference){
directReference = false;
}
return;
}
}
public void writeStartDocument() throws XMLStreamException {
if(!ignore){
nextWriter.writeStartDocument();
}
}
public void writeCharacters(char[] c, int index, int len) throws XMLStreamException {
if(!ignore){
nextWriter.writeCharacters(c,index,len);
}else{
if(derefSAMLKeyIdentifier){
this.strId = String.valueOf(c, index, len);
if (this.strId == null){
throw new XMLStreamException("SAML Key Identifier is empty in SecurityTokenReference");
}
}
}
}
public void setDefaultNamespace(String string) throws XMLStreamException {
if(!ignore){
nextWriter.setDefaultNamespace(string);
}
}
public void writeCData(String string) throws XMLStreamException {
if(!ignore){
nextWriter.writeCData(string);
}
}
public void writeCharacters(String string) throws XMLStreamException {
if(!ignore){
nextWriter.writeCharacters(string);
}else{
if(derefSAMLKeyIdentifier){
this.strId = string;
if (this.strId == null){
throw new XMLStreamException("SAML Key Identifier is empty in SecurityTokenReference");
}
}
}
}
public void writeComment(String string) throws XMLStreamException {
if(!ignore){
nextWriter.writeComment(string);
}
}
public void writeDTD(String string) throws XMLStreamException {
if(!ignore){
nextWriter.writeDTD(string);
}
}
public void writeDefaultNamespace(String string) throws XMLStreamException {
if(!ignore){
nextWriter.writeDefaultNamespace(string);
}
}
public void writeEmptyElement(String string) throws XMLStreamException {
if(!ignore){
nextWriter.writeEmptyElement(string);
}
}
public void writeEntityRef(String string) throws XMLStreamException {
if(!ignore){
nextWriter.writeEntityRef(string);
}
}
public void writeProcessingInstruction(String string) throws XMLStreamException {
if(!ignore){
nextWriter.writeProcessingInstruction(string);
}
}
public void writeStartDocument(String string) throws XMLStreamException {
if(!ignore){
nextWriter.writeStartDocument(string);
}
}
public void writeStartElement(String string) throws XMLStreamException {
if(!ignore){
nextWriter.writeStartElement(string);
}
first = false;
}
public void setNamespaceContext(NamespaceContext namespaceContext) throws XMLStreamException {
if(!ignore){
nextWriter.setNamespaceContext(namespaceContext);
}
}
public Object getProperty(String string) throws IllegalArgumentException {
return nextWriter.getProperty(string);
}
public String getPrefix(String string) throws XMLStreamException {
return nextWriter.getPrefix(string);
}
public void setPrefix(String string, String string0) throws XMLStreamException {
if(!ignore){
nextWriter.setPrefix(string,string0);
}
}
public void writeAttribute(String localname, String value) throws XMLStreamException {
if(!ignore){
nextWriter.writeAttribute(localname,value);
}else{
if(directReference){
if(localname == MessageConstants.WSSE_REFERENCE_ATTR_URI){
directReferenceValue = value;
}
}else if(MessageConstants.WSSE_SAML_KEY_IDENTIFIER_VALUE_TYPE.equals(value) ||
MessageConstants.WSSE_SAML_v2_0_KEY_IDENTIFIER_VALUE_TYPE.equals(value)){
derefSAMLKeyIdentifier = true;
}
}
}
public void writeEmptyElement(String string, String string0) throws XMLStreamException {
if(!ignore){
nextWriter.writeEmptyElement(string,string0);
}
}
public void writeNamespace(String string, String string0) throws XMLStreamException {
if(!ignore){
nextWriter.writeNamespace(string,string0);
}
}
public void writeProcessingInstruction(String string, String string0) throws XMLStreamException {
if(!ignore){
nextWriter.writeProcessingInstruction(string,string0);
}
}
public void writeStartDocument(String string, String string0) throws XMLStreamException {
if(!ignore){
nextWriter.writeStartDocument(string,string0);
}
}
public void writeStartElement(String namespaceURI, String localName) throws XMLStreamException {
if(!ignore){
if(first && localName == MessageConstants.WSSE_SECURITY_TOKEN_REFERENCE_LNAME && namespaceURI == MessageConstants.WSSE_NS){
ignore = true;
index ++;
return;
}
nextWriter.writeStartElement(namespaceURI,localName);
}else{
index ++;
}
first = false;
}
public void writeAttribute(String uri, String localname, String value) throws XMLStreamException {
if(!ignore){
nextWriter.writeAttribute(uri,localname,value);
}else{
if(directReference){
if(localname == MessageConstants.WSSE_REFERENCE_ATTR_URI){
directReferenceValue = value;
}
}
}
}
public void writeEmptyElement(String string, String string0, String string1) throws XMLStreamException {
if(!ignore){
nextWriter.writeEmptyElement(string,string0,string1);
}
}
public void writeStartElement(String prefix, String localName, String namespaceURI) throws XMLStreamException {
if(!ignore){
// Set ignore to true only if STR is top level element
if(first && localName == MessageConstants.WSSE_SECURITY_TOKEN_REFERENCE_LNAME && namespaceURI == MessageConstants.WSSE_NS){
ignore = true;
index ++;
return;
}else if(first && localName == MessageConstants.WSSE_REFERENCE_LNAME && namespaceURI == MessageConstants.WSSE_NS){
ignore = true;
index ++;
directReference = true;
nextWriter.writeNamespace(prefix,namespaceURI);
return;
}else if(first && localName == MessageConstants.KEYIDENTIFIER && namespaceURI == MessageConstants.WSSE_NS){
ignore = true;
index++;
nextWriter.writeNamespace(prefix,namespaceURI);
}else{
nextWriter.writeStartElement(prefix,localName,namespaceURI);
}
}else{
if(localName == MessageConstants.WSSE_REFERENCE_LNAME && namespaceURI == MessageConstants.WSSE_NS){
index ++;
directReference = true;
}else if (localName == MessageConstants.KEYIDENTIFIER && namespaceURI == MessageConstants.WSSE_NS){
index ++;
nextWriter.writeNamespace(prefix, namespaceURI);
}else {
nextWriter.writeStartElement(prefix,localName,namespaceURI);
}
}
first = false;
}
public void writeAttribute(String prefix, String uri, String localName, String value) throws XMLStreamException {
if(!ignore){
nextWriter.writeNamespace(prefix,uri);
nextWriter.writeAttribute(prefix,uri,localName,value);
}else{
if(directReference){
if(localName == MessageConstants.WSSE_REFERENCE_ATTR_URI){
directReferenceValue = value;
}
}
}
}
/**
*transforms the data using STR transform and writes it to the data
* @param writer XMLStreamWriter
* @throws XMLStreamException
*/
public void write(XMLStreamWriter writer) throws XMLStreamException {
this.nextWriter = writer;
if(nextWriter instanceof StAXEXC14nCanonicalizerImpl){
((StAXEXC14nCanonicalizerImpl)nextWriter).forceDefaultNS(true);
}
if(data instanceof JAXBData){
try {
((JAXBData)data).writeTo(this);
NamespaceContextEx nc = ((JAXBData)data).getNamespaceContext();
Iterator<NamespaceContextEx.Binding> itr = nc.iterator();
while(itr.hasNext()){
final NamespaceContextEx.Binding nd = itr.next();
nextWriter.writeNamespace(nd.getPrefix(),nd.getNamespaceURI());
}
} catch (XWSSecurityException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1706_ERROR_ENVELOPED_SIGNATURE(),ex);
throw new XMLStreamException("Error occurred while performing Enveloped Signature");
}
}else if(data instanceof StreamWriterData){
StreamWriterData swd = (StreamWriterData)data;
NamespaceContextEx nc = swd.getNamespaceContext();
Iterator<NamespaceContextEx.Binding> itr = nc.iterator();
while(itr.hasNext()){
final NamespaceContextEx.Binding nd = itr.next();
nextWriter.writeNamespace(nd.getPrefix(),nd.getNamespaceURI());
}
((StreamWriterData)data).write(this);
}else if(data instanceof OctectStreamData){
((OctectStreamData)data).write(this);
}
}
/**
* tries to dereference the SecurityTokenReference element
* @throws XMLStreamException
*/
void derefernceSTR()throws XMLStreamException{
Data token = null;
URIDereferencer deRef = xMLCryptoContext.getURIDereferencer();
final String uri ;
if(directReference ){
uri = directReferenceValue;
}else if(strId != null && strId.length() >0){
uri = strId;
}else {
uri = "";
}
URIReference ref = new URIReference() {
public String getType() {
return "";
}
public String getURI() {
return uri;
}
};
try{
token = deRef.dereference(ref,xMLCryptoContext);
}catch(URIReferenceException ue){
logger.log(Level.SEVERE, LogStringsMessages.WSS_1716_ERROR_DEREFERENCE_STR_TRANSFORM(),ue);
throw new XMLStreamException("Error occurred while dereferencing STR-Transform's Reference Element", ue);
}
if(token != null){
if(token instanceof JAXBData){
try {
((JAXBData)token).writeTo(this);
} catch (XWSSecurityException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1706_ERROR_ENVELOPED_SIGNATURE(),ex);
throw new XMLStreamException("Error occurred while performing Enveloped Signature");
}
}else if(token instanceof StreamWriterData){
((StreamWriterData)token).write(this);
}else if(token instanceof OctectStreamData){
((OctectStreamData)token).write(this);
}
}
}
}