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/*
* $Id: AttachmentCompleteTransform.java,v 1.2 2010-10-21 15:37:44 snajper Exp $
*/
package com.sun.xml.wss.impl.transform;
import javax.mail.internet.ContentType;
import com.sun.xml.wss.impl.c14n.Canonicalizer;
import com.sun.xml.wss.impl.c14n.CanonicalizerFactory;
import com.sun.xml.wss.impl.c14n.MimeHeaderCanonicalizer;
import com.sun.xml.wss.impl.resolver.AttachmentSignatureInput;
import org.apache.xml.security.transforms.TransformSpi;
import org.apache.xml.security.signature.XMLSignatureInput;
import org.apache.xml.security.transforms.TransformationException;
public class AttachmentCompleteTransform extends TransformSpi {
private static final String implementedTransformURI =
"http://docs.oasis-open.org/wss/2004/XX/" +
"oasis-2004XX-wss-swa-profile-1.0#Attachment-Complete-Transform";
protected String engineGetURI() {
return implementedTransformURI;
}
protected XMLSignatureInput enginePerformTransform(
XMLSignatureInput input)
throws TransformationException {
try {
return new XMLSignatureInput(_canonicalize(input));
} catch (Exception e) {
// log
throw new TransformationException(e.getMessage(), e);
}
}
private byte[] _canonicalize(XMLSignatureInput input) throws Exception {
byte[] inputContentBytes = input.getBytes();
//ContentType contentType = new ContentType(((AttachmentSignatureInput)input).getContentType());
// rf. RFC822
MimeHeaderCanonicalizer mHCanonicalizer = CanonicalizerFactory.getMimeHeaderCanonicalizer("US-ASCII");
byte[] outputHeaderBytes = mHCanonicalizer._canonicalize( ((AttachmentSignatureInput)input).getMimeHeaders().iterator());
Canonicalizer canonicalizer =
CanonicalizerFactory.
getCanonicalizer(((AttachmentSignatureInput)input).getContentType());
byte[] outputContentBytes = canonicalizer.canonicalize(inputContentBytes);
byte[] outputBytes = new byte[outputHeaderBytes.length+outputContentBytes.length];
System.arraycopy(outputHeaderBytes, 0, outputBytes, 0, outputHeaderBytes.length);
System.arraycopy(outputContentBytes, 0, outputBytes,
outputHeaderBytes.length, outputContentBytes.length);
return outputBytes;
}
public boolean wantsOctetStream () { return true; }
public boolean wantsNodeSet () { return true; }
public boolean returnsOctetStream () { return true; }
public boolean returnsNodeSet () { return false; }
}