/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.ws.security.common;
import java.io.IOException;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.ws.security.saml.ext.AssertionWrapper;
import org.apache.ws.security.saml.ext.SAMLCallback;
import org.apache.ws.security.saml.ext.SAMLParms;
import org.apache.ws.security.saml.ext.builder.SAML1Constants;
import org.w3c.dom.Element;
/**
* A Callback Handler implementation for a SAML 1.1 assertion. Rather than create a set of beans
* that AssertionWrapper will use to create a SAML Assertion, it sets a DOM Element directly on
* the SAMLCallback object.
*/
public class SAMLElementCallbackHandler extends AbstractSAMLCallbackHandler {
public SAMLElementCallbackHandler() {
subjectName = "uid=joe,ou=people,ou=saml-demo,o=example.com";
subjectQualifier = "www.example.com";
confirmationMethod = SAML1Constants.CONF_SENDER_VOUCHES;
}
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
for (int i = 0; i < callbacks.length; i++) {
if (callbacks[i] instanceof SAMLCallback) {
SAMLCallback callback = (SAMLCallback) callbacks[i];
Element assertionElement;
try {
assertionElement = getSAMLAssertion();
} catch (Exception e) {
throw new IOException(e.getMessage());
}
callback.setAssertionElement(assertionElement);
} else {
throw new UnsupportedCallbackException(callbacks[i], "Unrecognized Callback");
}
}
}
/**
* Mock up a SAML Assertion by using another SAMLCallbackHandler
* @throws Exception
*/
private Element getSAMLAssertion() throws Exception {
SAMLParms parms = new SAMLParms();
SAML1CallbackHandler callbackHandler = new SAML1CallbackHandler();
callbackHandler.setIssuer(issuer);
parms.setCallbackHandler(callbackHandler);
AssertionWrapper assertionWrapper = new AssertionWrapper(parms);
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
return assertionWrapper.toDOM(factory.newDocumentBuilder().newDocument());
}
}