/**
* 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.cxf.ws.security.wss4j.saml;
import java.io.IOException;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.UnsupportedCallbackException;
import org.apache.ws.security.components.crypto.Crypto;
import org.apache.ws.security.components.crypto.CryptoFactory;
import org.apache.ws.security.components.crypto.CryptoType;
import org.apache.ws.security.saml.ext.SAMLCallback;
import org.apache.ws.security.saml.ext.bean.KeyInfoBean;
import org.apache.ws.security.saml.ext.bean.SubjectBean;
import org.apache.ws.security.saml.ext.builder.SAML2Constants;
import org.opensaml.common.SAMLVersion;
/**
* A Callback Handler implementation for a SAML 2 assertion. By default it creates an
* authentication assertion using Sender Vouches.
*/
public class SAML2CallbackHandler extends AbstractSAMLCallbackHandler {
public SAML2CallbackHandler() throws Exception {
if (certs == null) {
Crypto crypto = CryptoFactory.getInstance("alice.properties");
CryptoType cryptoType = new CryptoType(CryptoType.TYPE.ALIAS);
cryptoType.setAlias("alice");
certs = crypto.getX509Certificates(cryptoType);
}
subjectName = "uid=alice,ou=people,ou=saml-demo,o=example.com";
subjectQualifier = "www.example.com";
confirmationMethod = SAML2Constants.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];
callback.setSamlVersion(SAMLVersion.VERSION_20);
SubjectBean subjectBean =
new SubjectBean(
subjectName, subjectQualifier, confirmationMethod
);
if (SAML2Constants.CONF_HOLDER_KEY.equals(confirmationMethod)) {
try {
KeyInfoBean keyInfo = createKeyInfo();
subjectBean.setKeyInfo(keyInfo);
} catch (Exception ex) {
throw new IOException("Problem creating KeyInfo: " + ex.getMessage());
}
}
callback.setSubject(subjectBean);
createAndSetStatement(null, callback);
} else {
throw new UnsupportedCallbackException(callbacks[i], "Unrecognized Callback");
}
}
}
}