org.wildfly.security.sasl.util.ChannelBindingSaslServerFactory Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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.wildfly.security.sasl.util;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.Map;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.sasl.SaslException;
import javax.security.sasl.SaslServer;
import javax.security.sasl.SaslServerFactory;
import org.wildfly.security.auth.callback.ChannelBindingCallback;
/**
* A {@link SaslServerFactory} which establishes channel binding parameters.
*
* @author David M. Lloyd
*/
public final class ChannelBindingSaslServerFactory extends AbstractDelegatingSaslServerFactory {
private final String bindingType;
private final byte[] bindingData;
/**
* Construct a new instance.
*
* @param delegate the delegate SASL server factory
* @param bindingType the binding type to use
* @param bindingData the binding data
*/
public ChannelBindingSaslServerFactory(final SaslServerFactory delegate, final String bindingType, final byte[] bindingData) {
super(delegate);
this.bindingType = bindingType;
this.bindingData = bindingData;
}
public SaslServer createSaslServer(final String mechanism, final String protocol, final String serverName, final Map props, final CallbackHandler cbh) throws SaslException {
return delegate.createSaslServer(mechanism, protocol, serverName, props, callbacks -> {
ArrayList list = new ArrayList<>(Arrays.asList(callbacks));
final Iterator iterator = list.iterator();
while (iterator.hasNext()) {
Callback callback = iterator.next();
if (callback instanceof ChannelBindingCallback) {
((ChannelBindingCallback) callback).setBindingType(bindingType);
((ChannelBindingCallback) callback).setBindingData(bindingData);
}
}
if (!list.isEmpty()) {
cbh.handle(list.toArray(new Callback[list.size()]));
}
});
}
}