001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    package org.apache.commons.net.ftp;
019    
020    import java.security.cert.CertificateException;
021    import java.security.cert.X509Certificate;
022    
023    import javax.net.ssl.TrustManager;
024    import javax.net.ssl.X509TrustManager;
025    
026    /**
027     * Custom {@link TrustManager} implementation.
028     * 
029     * @version $Id: FTPSTrustManager.java 962837 2010-07-10 12:52:24Z sebb $
030     * @since 2.0
031     */
032    public class FTPSTrustManager implements X509TrustManager
033    {
034        private static final X509Certificate[] EMPTY_X509CERTIFICATE_ARRAY = new X509Certificate[]{};
035    
036        /**
037         * No-op
038         */
039        public void checkClientTrusted(X509Certificate[] certificates, String authType)
040        {
041            return;
042        }
043    
044        public void checkServerTrusted(X509Certificate[] certificates, String authType) throws CertificateException
045        {
046            for (int i = 0; i < certificates.length; ++i)
047            {
048                certificates[i].checkValidity();
049            }
050        }
051    
052        public X509Certificate[] getAcceptedIssuers()
053        {
054            return EMPTY_X509CERTIFICATE_ARRAY;
055        }
056    }