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/*
* $Id: KeyIdentifierStrategy.java,v 1.2 2010-10-21 15:37:29 snajper Exp $
*/
package com.sun.xml.wss.impl.keyinfo;
import com.sun.xml.wss.core.reference.X509ThumbPrintIdentifier;
import java.security.cert.X509Certificate;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.w3c.dom.Document;
import com.sun.xml.wss.impl.misc.Base64;
import com.sun.xml.wss.logging.LogDomainConstants;
import com.sun.xml.wss.impl.SecurableSoapMessage;
import com.sun.xml.wss.XWSSecurityException;
import com.sun.xml.wss.core.KeyInfoHeaderBlock;
import com.sun.xml.wss.core.SecurityTokenReference;
import com.sun.xml.wss.core.reference.KeyIdentifier;
import com.sun.xml.wss.core.reference.SamlKeyIdentifier;
import com.sun.xml.wss.core.reference.X509SubjectKeyIdentifier;
import com.sun.xml.wss.core.reference.EncryptedKeySHA1Identifier;
import com.sun.xml.wss.logging.LogStringsMessages;
public class KeyIdentifierStrategy extends KeyInfoStrategy {
public static final int THUMBPRINT = 0;
public static final int ENCRYPTEDKEYSHA1 = 1;
protected static final Logger log =
Logger.getLogger(
LogDomainConstants.WSS_API_DOMAIN,
LogDomainConstants.WSS_API_DOMAIN_BUNDLE);
X509Certificate cert = null;
String alias = null;
boolean forSigning;
boolean thumbprint;
boolean encryptedKey = false;
String samlAssertionId = null;
public KeyIdentifierStrategy(){
}
public KeyIdentifierStrategy(int value){
if(value == THUMBPRINT)
this.thumbprint = true;
else if(value == ENCRYPTEDKEYSHA1)
this.encryptedKey = true;
}
public KeyIdentifierStrategy(String samlAssertionId) {
this.samlAssertionId = samlAssertionId;
forSigning = false;
}
public KeyIdentifierStrategy(String alias, boolean forSigning) {
this.alias = alias;
this.forSigning = forSigning;
}
public KeyIdentifierStrategy(String alias, boolean forSigning, boolean thumbprint) {
this.alias = alias;
this.forSigning = forSigning;
this.thumbprint = thumbprint;
}
public void insertKey(
SecurityTokenReference tokenRef, SecurableSoapMessage secureMsg)
throws XWSSecurityException {
KeyIdentifier keyIdentifier = getKeyIdentifier(secureMsg);
if (keyIdentifier == null) {
log.log(Level.SEVERE,
LogStringsMessages.WSS_0701_CANNOT_LOCATE_CERTIFICATE(alias),
alias);
throw new XWSSecurityException(
"Unable to locate certificate for the alias '" + alias + "'");
}
tokenRef.setReference(keyIdentifier);
}
public void insertKey(
KeyInfoHeaderBlock keyInfo,
SecurableSoapMessage secureMsg,
String x509TokenId) // x509TokenId can be ignored
throws XWSSecurityException {
KeyIdentifier keyIdentifier = getKeyIdentifier(secureMsg);
if (keyIdentifier == null) {
log.log(Level.SEVERE,
LogStringsMessages.WSS_0701_CANNOT_LOCATE_CERTIFICATE(alias),
alias);
throw new XWSSecurityException(
"Unable to locate certificate for the alias '" + alias + "'");
}
Document ownerDoc = keyInfo.getOwnerDocument();
SecurityTokenReference tokenRef =
new SecurityTokenReference(ownerDoc);
tokenRef.setReference(keyIdentifier);
keyInfo.addSecurityTokenReference(tokenRef);
}
private KeyIdentifier getKeyIdentifier(SecurableSoapMessage secureMsg)
throws XWSSecurityException {
KeyIdentifier keyIdentifier = null;
if (samlAssertionId != null) {
keyIdentifier =
new SamlKeyIdentifier(secureMsg.getSOAPPart());
keyIdentifier.setReferenceValue(samlAssertionId);
return keyIdentifier;
}
if (cert != null) {
if ( !thumbprint) {
byte[] subjectKeyIdentifier =
X509SubjectKeyIdentifier.getSubjectKeyIdentifier(cert);
if (subjectKeyIdentifier == null) {
log.log(Level.SEVERE,
LogStringsMessages.WSS_0702_NO_SUBJECT_KEYIDENTIFIER(alias),
alias);
throw new XWSSecurityException(
"The found certificate does not contain subject key identifier X509 extension");
}
String keyId = Base64.encode(subjectKeyIdentifier);
keyIdentifier =
new X509SubjectKeyIdentifier(secureMsg.getSOAPPart());
keyIdentifier.setReferenceValue(keyId);
} else {
byte[] thumbPrintIdentifier =
X509ThumbPrintIdentifier.getThumbPrintIdentifier(cert);
if (thumbPrintIdentifier == null) {
log.log(Level.SEVERE,
LogStringsMessages.WSS_0702_NO_SUBJECT_KEYIDENTIFIER(alias),
alias);
throw new XWSSecurityException(
"Error while calculating thumb print identifier");
}
String keyId = Base64.encode(thumbPrintIdentifier);
keyIdentifier =
new X509ThumbPrintIdentifier(secureMsg.getSOAPPart());
keyIdentifier.setReferenceValue(keyId);
}
}else if(encryptedKey){
keyIdentifier = new EncryptedKeySHA1Identifier(secureMsg.getSOAPPart());
}
return keyIdentifier;
}
public void setCertificate(X509Certificate cert) {
this.cert = cert;
}
public String getAlias() {
return alias;
}
}