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package com.sun.xml.ws.security.opt.impl.incoming.processor;
import org.apache.xml.security.exceptions.Base64DecodingException;
import com.sun.xml.ws.api.message.Attachment;
import com.sun.xml.ws.api.message.AttachmentSet;
import com.sun.xml.ws.security.opt.impl.JAXBFilterProcessingContext;
import com.sun.xml.ws.security.opt.impl.util.SOAPUtil;
import com.sun.xml.ws.security.opt.impl.util.StreamUtil;
import com.sun.xml.wss.XWSSecurityException;
import com.sun.xml.wss.impl.MessageConstants;
import com.sun.xml.wss.impl.misc.Base64;
import com.sun.xml.wss.logging.LogDomainConstants;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.jvnet.staxex.Base64Data;
import org.jvnet.staxex.XMLStreamReaderEx;
import com.sun.xml.wss.logging.impl.opt.crypto.LogStringsMessages;
/**
*
* @author K.Venugopal@sun.com
*/
public class CipherDataProcessor {
private static final Logger logger = Logger.getLogger(LogDomainConstants.IMPL_OPT_CRYPTO_DOMAIN,
LogDomainConstants.IMPL_OPT_CRYPTO_DOMAIN_BUNDLE);
private static String CIPHER_VALUE = "CipherValue".intern();
private static String CIPHER_REFERENCE = "CipherReference".intern();
private static String TRANSFORMS = "Transforms".intern();
private static String TRANSFORM = "Transform".intern();
private Base64Data bd = null;
private byte[] cipherValue;
private JAXBFilterProcessingContext pc = null;
boolean hasCipherReference = false;
String attachmentContentId = null;
String attachmentContentType = null;
/** Creates a new instance of CipherDataProcessor */
public CipherDataProcessor(JAXBFilterProcessingContext pc) {
this.pc = pc;
}
/**
* processes the cipher data and sets the cipher value
* @param reader XMLStreamReader
* @throws com.sun.xml.wss.XWSSecurityException
*/
public void process(XMLStreamReader reader) throws XWSSecurityException{
try {
if(StreamUtil.moveToNextElement(reader)){
if(reader.getLocalName() == CIPHER_VALUE){
if(reader instanceof XMLStreamReaderEx){
reader.next();
if(reader.getEventType() == XMLStreamReader.CHARACTERS){
CharSequence charSeq = ((XMLStreamReaderEx)reader).getPCDATA();
if(charSeq instanceof Base64Data){
bd = (Base64Data) charSeq;
}else{
try {
cipherValue = Base64.decode(StreamUtil.getCV((XMLStreamReaderEx)reader));
} catch (Base64DecodingException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1922_ERROR_DECODING_CIPHERVAL(ex),ex);
throw SOAPUtil.newSOAPFaultException(MessageConstants.WSSE_FAILED_CHECK, LogStringsMessages.WSS_1922_ERROR_DECODING_CIPHERVAL(ex), ex);
}
}
}
}else{
try {
//cipherValue = Base64.decode(reader.getElementText());
cipherValue = Base64.decode(StreamUtil.getCV(reader));
} catch (Base64DecodingException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1922_ERROR_DECODING_CIPHERVAL(ex),ex);
throw SOAPUtil.newSOAPFaultException(MessageConstants.WSSE_FAILED_CHECK, LogStringsMessages.WSS_1922_ERROR_DECODING_CIPHERVAL(ex), ex);
}
}
//reader.next();//move to END OF CIPHER VALUE
reader.next();//move to END OF CIPHER DATA
reader.next();//move to NEXT ELEMENT
return;
} else if(reader.getLocalName() == CIPHER_REFERENCE){
hasCipherReference = true;
String attachUri = reader.getAttributeValue(null,"URI");
if (attachUri.startsWith("cid:")) {
attachUri = attachUri.substring("cid:".length());
}
String algorithm = null;
if(StreamUtil.moveToNextElement(reader)){
if(reader.getLocalName() == TRANSFORMS){
if(StreamUtil.moveToNextElement(reader)){
if(reader.getLocalName() == TRANSFORM){
algorithm = reader.getAttributeValue(null,"Algorithm");
reader.next(); // Move to end of Transform
}
}
reader.next(); // Move to end of Transforms
}
}
if(algorithm != null && algorithm.equals(MessageConstants.SWA11_ATTACHMENT_CIPHERTEXT_TRANSFORM)){
AttachmentSet attachmentSet = pc.getSecurityContext().getAttachmentSet();
Attachment as = attachmentSet.get(attachUri);//sm.getAttachment(attachUri);
cipherValue = as.asByteArray();
attachmentContentId = as.getContentId();
attachmentContentType = as.getContentType();
reader.next(); // Move to end of CipherReference
reader.next(); // Move to NEXT ELEMENT
return;
} else {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1928_UNRECOGNIZED_CIPHERTEXT_TRANSFORM(algorithm));
throw SOAPUtil.newSOAPFaultException(MessageConstants.WSSE_FAILED_CHECK, LogStringsMessages.WSS_1928_UNRECOGNIZED_CIPHERTEXT_TRANSFORM(algorithm),
new XWSSecurityException(LogStringsMessages.WSS_1928_UNRECOGNIZED_CIPHERTEXT_TRANSFORM(algorithm)));
}
}
}
reader.next();
} catch (XMLStreamException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1923_ERROR_PROCESSING_CIPHERVAL(ex),ex);
throw SOAPUtil.newSOAPFaultException(MessageConstants.WSSE_FAILED_CHECK,LogStringsMessages.WSS_1923_ERROR_PROCESSING_CIPHERVAL(ex),ex);
}
logger.log(Level.SEVERE, LogStringsMessages.WSS_1923_ERROR_PROCESSING_CIPHERVAL("unexpected element:"+reader.getLocalName()));
throw SOAPUtil.newSOAPFaultException(MessageConstants.WSSE_FAILED_CHECK,LogStringsMessages.WSS_1923_ERROR_PROCESSING_CIPHERVAL("unexpected element:"+reader.getLocalName()), null);
}
/**
*
* @return InputStream
* @throws com.sun.xml.wss.XWSSecurityException
*/
public InputStream readAsStream() throws XWSSecurityException{
if(bd != null ){
try {
return bd.getInputStream();
} catch (IOException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1923_ERROR_PROCESSING_CIPHERVAL(ex),ex);
throw new XWSSecurityException(LogStringsMessages.WSS_1923_ERROR_PROCESSING_CIPHERVAL(ex));
}
}
if(cipherValue != null){
return new ByteArrayInputStream(cipherValue);
}
logger.log(Level.SEVERE, LogStringsMessages.WSS_1924_CIPHERVAL_MISSINGIN_CIPHERDATA());
throw SOAPUtil.newSOAPFaultException(MessageConstants.WSSE_FAILED_CHECK,LogStringsMessages.WSS_1924_CIPHERVAL_MISSINGIN_CIPHERDATA(),null);
}
/**
*
* @return byte[] cipherValue
* @throws com.sun.xml.wss.XWSSecurityException
*/
public byte[] readAsBytes() throws XWSSecurityException{
if(cipherValue != null){
return cipherValue;
}
if(bd != null ){
cipherValue = bd.getExact();
return cipherValue;
}
logger.log(Level.SEVERE, LogStringsMessages.WSS_1924_CIPHERVAL_MISSINGIN_CIPHERDATA());
throw SOAPUtil.newSOAPFaultException(MessageConstants.WSSE_FAILED_CHECK,LogStringsMessages.WSS_1924_CIPHERVAL_MISSINGIN_CIPHERDATA(),null);
}
public boolean hasCipherReference(){
return hasCipherReference;
}
public String getAttachmentContentId(){
return attachmentContentId;
}
public String getAttachmentContentType(){
return attachmentContentType;
}
}