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/*
* 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.tomcat.util.net.jsse;
import java.net.Socket;
import java.security.Principal;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.X509ExtendedKeyManager;
import javax.net.ssl.X509KeyManager;
/**
* X509KeyManager which allows selection of a specific key pair and certificate
* chain (identified by their keystore alias name) to be used by the server to
* authenticate itself to SSL clients.
*
* @author Jan Luehe
*/
public final class JSSEKeyManager extends X509ExtendedKeyManager {
private X509KeyManager delegate;
private String serverKeyAlias;
/**
* Constructor.
*
* @param mgr The X509KeyManager used as a delegate
* @param serverKeyAlias The alias name of the server's key pair and
* supporting certificate chain
*/
public JSSEKeyManager(X509KeyManager mgr, String serverKeyAlias) {
super();
this.delegate = mgr;
this.serverKeyAlias = serverKeyAlias;
}
/**
* Returns the server key alias that was provided in the constructor or the
* result from {@link X509KeyManager#chooseServerAlias(String, Principal[],
* Socket)} for the delegate if no alias is specified.
*/
@Override
public String chooseServerAlias(String keyType, Principal[] issuers, Socket socket) {
if (serverKeyAlias != null) {
return serverKeyAlias;
}
return delegate.chooseServerAlias(keyType, issuers, socket);
}
/**
* Returns the server key alias that was provided in the constructor or the
* result from {@link X509ExtendedKeyManager#chooseEngineServerAlias(String,
* Principal[], SSLEngine)} for the delegate if no alias is specified.
*/
@Override
public String chooseEngineServerAlias(String keyType, Principal[] issuers,
SSLEngine engine) {
if (serverKeyAlias!=null) {
return serverKeyAlias;
}
return super.chooseEngineServerAlias(keyType, issuers, engine);
}
@Override
public String chooseClientAlias(String[] keyType, Principal[] issuers,
Socket socket) {
return delegate.chooseClientAlias(keyType, issuers, socket);
}
@Override
public X509Certificate[] getCertificateChain(String alias) {
return delegate.getCertificateChain(alias);
}
@Override
public String[] getClientAliases(String keyType, Principal[] issuers) {
return delegate.getClientAliases(keyType, issuers);
}
@Override
public String[] getServerAliases(String keyType, Principal[] issuers) {
return delegate.getServerAliases(keyType, issuers);
}
@Override
public PrivateKey getPrivateKey(String alias) {
return delegate.getPrivateKey(alias);
}
@Override
public String chooseEngineClientAlias(String[] keyType, Principal[] issuers,
SSLEngine engine) {
return delegate.chooseClientAlias(keyType, issuers, null);
}
}
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