/**
* 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.transport.https;
import java.security.GeneralSecurityException;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.X509KeyManager;
import org.apache.cxf.configuration.jsse.TLSClientParameters;
import org.apache.cxf.configuration.jsse.TLSParameterBase;
import org.apache.cxf.configuration.jsse.TLSServerParameters;
public final class SSLUtils {
private SSLUtils() {
//Helper class
}
public static HostnameVerifier getHostnameVerifier(TLSClientParameters tlsClientParameters) {
HostnameVerifier verifier;
if (tlsClientParameters.getHostnameVerifier() != null) {
verifier = tlsClientParameters.getHostnameVerifier();
} else if (tlsClientParameters.isUseHttpsURLConnectionDefaultHostnameVerifier()) {
verifier = HttpsURLConnection.getDefaultHostnameVerifier();
} else if (tlsClientParameters.isDisableCNCheck()) {
verifier = CertificateHostnameVerifier.ALLOW_ALL;
} else {
verifier = CertificateHostnameVerifier.DEFAULT;
}
return verifier;
}
public static SSLContext getSSLContext(TLSParameterBase parameters) throws Exception {
// TODO do we need to cache the context
String provider = parameters.getJsseProvider();
String protocol = parameters.getSecureSocketProtocol() != null ? parameters
.getSecureSocketProtocol() : "TLS";
SSLContext ctx = provider == null ? SSLContext.getInstance(protocol) : SSLContext
.getInstance(protocol, provider);
if (parameters instanceof TLSClientParameters) {
ctx.getClientSessionContext().setSessionTimeout(((TLSClientParameters)parameters).getSslCacheTimeout());
}
// TODO setting on the server side
KeyManager[] keyManagers = parameters.getKeyManagers();
if (parameters.getCertAlias() != null) {
getKeyManagersWithCertAlias(parameters, keyManagers);
}
ctx.init(keyManagers, parameters.getTrustManagers(),
parameters.getSecureRandom());
return ctx;
}
protected static void getKeyManagersWithCertAlias(TLSParameterBase tlsParameters,
KeyManager[] keyManagers)
throws GeneralSecurityException {
if (tlsParameters.getCertAlias() != null) {
for (int idx = 0; idx < keyManagers.length; idx++) {
if (keyManagers[idx] instanceof X509KeyManager) {
try {
keyManagers[idx] = new AliasedX509ExtendedKeyManager(tlsParameters.getCertAlias(),
(X509KeyManager)keyManagers[idx]);
} catch (Exception e) {
throw new GeneralSecurityException(e);
}
}
}
}
}
public static SSLEngine createServerSSLEngine(TLSServerParameters parameters) throws Exception {
SSLContext sslContext = getSSLContext(parameters);
SSLEngine serverEngine = sslContext.createSSLEngine();
serverEngine.setUseClientMode(false);
serverEngine.setNeedClientAuth(parameters.getClientAuthentication().isRequired());
return serverEngine;
}
public static SSLEngine createClientSSLEngine(TLSClientParameters parameters) throws Exception {
SSLContext sslContext = getSSLContext(parameters);
SSLEngine clientEngine = sslContext.createSSLEngine();
clientEngine.setUseClientMode(true);
return clientEngine;
}
}