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package com.sun.xml.ws.security.opt.crypto.dsig;
import org.jvnet.staxex.NamespaceContextEx;
import com.sun.xml.wss.XWSSecurityException;
import com.sun.xml.ws.security.opt.crypto.JAXBData;
import com.sun.xml.ws.security.opt.crypto.StreamWriterData;
import com.sun.xml.wss.impl.c14n.StAXEXC14nCanonicalizerImpl;
import com.sun.xml.wss.impl.misc.UnsyncByteArrayOutputStream;
import com.sun.xml.wss.logging.LogDomainConstants;
import java.io.ByteArrayInputStream;
import java.io.OutputStream;
import java.security.InvalidAlgorithmParameterException;
import java.security.spec.AlgorithmParameterSpec;
import java.util.Iterator;
import java.util.logging.Logger;
import javax.xml.crypto.Data;
import javax.xml.crypto.MarshalException;
import javax.xml.crypto.OctetStreamData;
import javax.xml.crypto.XMLCryptoContext;
import javax.xml.crypto.XMLStructure;
import javax.xml.crypto.dsig.TransformException;
import javax.xml.crypto.dsig.TransformService;
import com.sun.xml.ws.security.opt.impl.dsig.ExcC14NParameterSpec;
import javax.xml.crypto.dsig.spec.TransformParameterSpec;
import javax.xml.stream.XMLStreamException;
import com.sun.xml.wss.logging.impl.opt.signature.LogStringsMessages;
import java.util.logging.Level;
/**
*
* @author K.Venugopal@sun.com
*/
public class Exc14nCanonicalizer extends TransformService {
private static final Logger logger = Logger.getLogger(LogDomainConstants.IMPL_OPT_SIGNATURE_DOMAIN,
LogDomainConstants.IMPL_OPT_SIGNATURE_DOMAIN_BUNDLE);
StAXEXC14nCanonicalizerImpl _canonicalizer = new StAXEXC14nCanonicalizerImpl();
UnsyncByteArrayOutputStream baos = new UnsyncByteArrayOutputStream();
TransformParameterSpec _transformParameterSpec;
/** Creates a new instance of Exc14nCanonicalizer */
public Exc14nCanonicalizer() {
}
public void init(TransformParameterSpec transformParameterSpec) throws InvalidAlgorithmParameterException {
_transformParameterSpec = transformParameterSpec;
}
public void marshalParams(XMLStructure xMLStructure, XMLCryptoContext xMLCryptoContext) throws MarshalException {
}
public void init(XMLStructure xMLStructure, XMLCryptoContext xMLCryptoContext) throws InvalidAlgorithmParameterException {
}
public AlgorithmParameterSpec getParameterSpec() {
return _transformParameterSpec;
}
public Data transform(Data data, XMLCryptoContext xMLCryptoContext) throws TransformException {
_canonicalizer.setStream(baos);
_canonicalizer.reset();
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();
try {
_canonicalizer.writeNamespace(nd.getPrefix(),nd.getNamespaceURI());
} catch (XMLStreamException ex) {
throw new TransformException(ex);
}
}
try {
ExcC14NParameterSpec spec = (ExcC14NParameterSpec)_transformParameterSpec;
if(spec != null){
_canonicalizer.setInclusivePrefixList(spec.getPrefixList());
}
swd.write(_canonicalizer);
_canonicalizer.flush();
} catch (XMLStreamException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1759_TRANSFORM_ERROR(ex.getMessage()),ex);
throw new TransformException(ex);
}
return new OctetStreamData(new ByteArrayInputStream(baos.getBytes(),0,baos.getLength()));
}
throw new UnsupportedOperationException("Data type"+data+" not yet supported");
}
public Data transform(Data data, XMLCryptoContext xMLCryptoContext, OutputStream outputStream) throws TransformException {
_canonicalizer.setStream(outputStream);
_canonicalizer.reset();
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();
try {
_canonicalizer.writeNamespace(nd.getPrefix(),nd.getNamespaceURI());
} catch (XMLStreamException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1759_TRANSFORM_ERROR(ex.getMessage()),ex);
throw new TransformException(ex);
}
}
try {
ExcC14NParameterSpec spec = (ExcC14NParameterSpec)_transformParameterSpec;
if(spec != null){
_canonicalizer.setInclusivePrefixList(spec.getPrefixList());
}
swd.write(_canonicalizer);
_canonicalizer.flush();
} catch (XMLStreamException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1759_TRANSFORM_ERROR(ex.getMessage()),ex);
throw new TransformException(ex);
}
return null;
}else if(data instanceof JAXBData){
JAXBData jd =(JAXBData)data;
NamespaceContextEx nc = jd.getNamespaceContext();
Iterator<NamespaceContextEx.Binding> itr = nc.iterator();
while(itr.hasNext()){
final NamespaceContextEx.Binding nd = itr.next();
try {
_canonicalizer.writeNamespace(nd.getPrefix(),nd.getNamespaceURI());
} catch (XMLStreamException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1759_TRANSFORM_ERROR(ex.getMessage()),ex);
throw new TransformException(ex);
}
}
try {
ExcC14NParameterSpec spec = (ExcC14NParameterSpec)_transformParameterSpec;
if(spec != null){
_canonicalizer.setInclusivePrefixList(spec.getPrefixList());
}
jd.writeTo(_canonicalizer);
_canonicalizer.flush();
} catch ( XMLStreamException ex ) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1759_TRANSFORM_ERROR(ex.getMessage()),ex);
throw new TransformException(ex);
}catch (XWSSecurityException ex) {
throw new TransformException(ex);
}
return null;
}
throw new UnsupportedOperationException("Data type "+data+" not yet supported");
}
public boolean isFeatureSupported(String string) {
return true;
}
}