org.wildfly.security.sasl.util.KeyManagerCredentialSaslServerFactory Maven / Gradle / Ivy
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* Copyright 2015 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.security.GeneralSecurityException;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.Map;
import javax.net.ssl.X509KeyManager;
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.common.Assert;
import org.wildfly.security.FixedSecurityFactory;
import org.wildfly.security.SecurityFactory;
import org.wildfly.security.auth.callback.ServerCredentialCallback;
import org.wildfly.security.credential.X509CertificateChainPrivateCredential;
/**
* A {@link SaslServerFactory} which sets the server's credential using the given key manager.
*
* @author Farah Juma
*/
public final class KeyManagerCredentialSaslServerFactory extends AbstractDelegatingSaslServerFactory {
private final SecurityFactory keyManagerFactory;
/**
* Construct a new instance.
*
* @param delegate the delegate SASL server factory
* @param keyManager the key manager to use (must not be {@code null})
*/
public KeyManagerCredentialSaslServerFactory(final SaslServerFactory delegate, final X509KeyManager keyManager) {
super(delegate);
Assert.checkNotNullParam("keyManager", keyManager);
this.keyManagerFactory = new FixedSecurityFactory<>(keyManager);
}
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 ServerCredentialCallback) {
X509KeyManager keyManager = null;
try {
keyManager = keyManagerFactory.create();
} catch (GeneralSecurityException e) {
throw new SaslException(e.getMessage(), e);
}
final ServerCredentialCallback credentialCallback = (ServerCredentialCallback) callback;
final String algorithmName = credentialCallback.getAlgorithm();
if (algorithmName != null) {
if (credentialCallback.isCredentialTypeSupported(X509CertificateChainPrivateCredential.class, algorithmName)) {
final String alias = keyManager.chooseServerAlias(algorithmName, null, null);
if (alias != null) {
final X509Certificate[] certificateChain = keyManager.getCertificateChain(alias);
final PrivateKey privateKey = keyManager.getPrivateKey(alias);
if (certificateChain != null && certificateChain.length != 0) {
credentialCallback.setCredential(new X509CertificateChainPrivateCredential(privateKey, certificateChain));
iterator.remove();
}
}
}
}
}
}
if (! list.isEmpty()) {
cbh.handle(list.toArray(new Callback[list.size()]));
}
});
}
}