/**
* 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.fediz.core.handler;
import java.io.IOException;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;
import org.apache.cxf.fediz.core.spi.WAuthCallback;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AuthentcationTypeCallbackHandler implements CallbackHandler {
private static final Logger LOG = LoggerFactory
.getLogger(AuthentcationTypeCallbackHandler.class);
public void handle(Callback[] callbacks) throws IOException,
UnsupportedCallbackException {
for (int i = 0; i < callbacks.length; i++) {
if (callbacks[i] instanceof WAuthCallback) {
WAuthCallback callback = (WAuthCallback) callbacks[i];
String authenticationType = (String)callback.getRequest().getAttribute("wauth");
if (authenticationType == null || authenticationType.length() == 0) {
LOG.debug("No authentication type found in request");
} else {
LOG.info("Authentication type '" + authenticationType + "' found in request");
callback.setWauth(authenticationType);
}
} else {
throw new UnsupportedCallbackException(callbacks[i], "Unrecognized Callback");
}
}
}
}