| /* |
| * 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.ftpserver.ssl.impl; |
| |
| import java.security.GeneralSecurityException; |
| |
| import javax.net.ssl.KeyManager; |
| import javax.net.ssl.KeyManagerFactory; |
| import javax.net.ssl.SSLContext; |
| import javax.net.ssl.SSLSocketFactory; |
| import javax.net.ssl.TrustManagerFactory; |
| import javax.net.ssl.X509KeyManager; |
| |
| import org.apache.ftpserver.ssl.ClientAuth; |
| import org.apache.ftpserver.ssl.SslConfiguration; |
| import org.apache.ftpserver.ssl.SslConfigurationFactory; |
| import org.apache.ftpserver.util.ClassUtils; |
| |
| /** |
| * <strong>Internal class, do not use directly.</strong> |
| * |
| * Used to configure the SSL settings for the control channel or the data channel. |
| * |
| * <strong><strong>Internal class, do not use directly.</strong></strong> |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public class DefaultSslConfiguration implements SslConfiguration { |
| |
| private final KeyManagerFactory keyManagerFactory; |
| |
| private final TrustManagerFactory trustManagerFactory; |
| |
| private String[] enabledProtocols = new String[] {"TLSv1.2"}; |
| |
| private final ClientAuth clientAuth;// = ClientAuth.NONE; |
| |
| private final String keyAlias; |
| |
| private final String[] enabledCipherSuites; |
| |
| private final SSLContext sslContext; |
| |
| private final SSLSocketFactory socketFactory; |
| |
| /** |
| * Internal constructor, do not use directly. Instead, use {@link SslConfigurationFactory} |
| * |
| * @throws GeneralSecurityException |
| */ |
| public DefaultSslConfiguration(KeyManagerFactory keyManagerFactory, TrustManagerFactory trustManagerFactory, |
| ClientAuth clientAuthReqd, String[] sslProtocols, String[] enabledCipherSuites, String keyAlias) throws GeneralSecurityException { |
| super(); |
| this.clientAuth = clientAuthReqd; |
| this.enabledCipherSuites = enabledCipherSuites; |
| this.keyAlias = keyAlias; |
| this.keyManagerFactory = keyManagerFactory; |
| this.enabledProtocols = sslProtocols; |
| this.trustManagerFactory = trustManagerFactory; |
| this.sslContext = initContext(); |
| this.socketFactory = sslContext.getSocketFactory(); |
| } |
| |
| public SSLSocketFactory getSocketFactory() throws GeneralSecurityException { |
| return socketFactory; |
| } |
| |
| /** |
| * @see SslConfiguration#getSSLContext(String) |
| */ |
| public SSLContext getSSLContext(String enabledProtocol) throws GeneralSecurityException { |
| return sslContext; |
| } |
| |
| /** |
| * @see SslConfiguration#getEnabledProtocol() |
| */ |
| public String[] getEnabledProtocols() { |
| return enabledProtocols; |
| } |
| |
| /** |
| * @see SslConfiguration#getClientAuth() |
| */ |
| public ClientAuth getClientAuth() { |
| return clientAuth; |
| } |
| |
| /** |
| * @see SslConfiguration#getSSLContext() |
| */ |
| public SSLContext getSSLContext() throws GeneralSecurityException { |
| return getSSLContext(enabledProtocols[0]); |
| } |
| |
| /** |
| * @see SslConfiguration#getEnabledCipherSuites() |
| */ |
| public String[] getEnabledCipherSuites() { |
| if (enabledCipherSuites != null) { |
| return enabledCipherSuites.clone(); |
| } else { |
| return null; |
| } |
| } |
| |
| private SSLContext initContext() throws GeneralSecurityException { |
| KeyManager[] keyManagers = keyManagerFactory.getKeyManagers(); |
| |
| // wrap key managers to allow us to control their behavior |
| // (FTPSERVER-93) |
| for (int i = 0; i < keyManagers.length; i++) { |
| if (ClassUtils.extendsClass(keyManagers[i].getClass(), "javax.net.ssl.X509ExtendedKeyManager")) { |
| keyManagers[i] = new ExtendedAliasKeyManager(keyManagers[i], keyAlias); |
| } else if (keyManagers[i] instanceof X509KeyManager) { |
| keyManagers[i] = new AliasKeyManager(keyManagers[i], keyAlias); |
| } |
| } |
| |
| // create and initialize the SSLContext |
| SSLContext ctx = SSLContext.getInstance(enabledProtocols[0]); |
| ctx.init(keyManagers, trustManagerFactory.getTrustManagers(), null); |
| |
| // Create the socket factory |
| return ctx; |
| } |
| } |