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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.mina.example.echoserver.ssl;
21  
22  import static org.junit.Assert.assertEquals;
23  import static org.junit.Assert.assertTrue;
24  
25  import java.net.InetSocketAddress;
26  import java.net.Socket;
27  import java.nio.charset.StandardCharsets;
28  import java.security.cert.CertificateException;
29  import java.util.ArrayList;
30  import java.util.List;
31  
32  import javax.net.ssl.SSLContext;
33  import javax.net.ssl.SSLSocket;
34  import javax.net.ssl.TrustManager;
35  import javax.net.ssl.X509TrustManager;
36  
37  import org.apache.mina.core.service.IoHandlerAdapter;
38  import org.apache.mina.core.session.IoSession;
39  import org.apache.mina.filter.codec.ProtocolCodecFilter;
40  import org.apache.mina.filter.codec.textline.TextLineCodecFactory;
41  import org.apache.mina.filter.ssl.SslFilter;
42  import org.apache.mina.transport.socket.SocketAcceptor;
43  import org.apache.mina.transport.socket.nio.NioSocketAcceptor;
44  import org.junit.After;
45  import org.junit.Before;
46  import org.junit.Test;
47  
48  /**
49   * TODO Add documentation
50   * 
51   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
52   */
53  public class SslFilterTest {
54  
55      private int port;
56      private SocketAcceptor acceptor;
57  
58      @Before
59      public void setUp() throws Exception {
60          acceptor = new NioSocketAcceptor();
61      }
62  
63      @After
64      public void tearDown() throws Exception {
65          acceptor.setCloseOnDeactivation(true);
66          acceptor.dispose();
67      }
68  
69      @Test
70      public void testMessageSentIsCalled() throws Exception {
71          testMessageSentIsCalled(false);
72      }
73  
74      @Test
75      public void testMessageSentIsCalled_With_SSL() throws Exception {
76          testMessageSentIsCalled(true);
77      }
78  
79      private void testMessageSentIsCalled(boolean useSSL) throws Exception {
80          // Workaround to fix TLS issue : http://java.sun.com/javase/javaseforbusiness/docs/TLSReadme.html
81          java.lang.System.setProperty( "sun.security.ssl.allowUnsafeRenegotiation", "true" );
82  
83          SslFilter sslFilter = null;
84          if (useSSL) {
85              sslFilter = new SslFilter(BogusSslContextFactory.getInstance(true));
86              acceptor.getFilterChain().addLast("sslFilter", sslFilter);
87          }
88          acceptor.getFilterChain().addLast(
89                  "codec",
90                  new ProtocolCodecFilter(new TextLineCodecFactory(StandardCharsets.UTF_8)));
91  
92          EchoHandler handler = new EchoHandler();
93          acceptor.setHandler(handler);
94          acceptor.bind(new InetSocketAddress(0));
95          port = acceptor.getLocalAddress().getPort();
96          //System.out.println("MINA server started.");
97  
98          Socket socket = getClientSocket(useSSL);
99          int bytesSent = 0;
100         bytesSent += writeMessage(socket, "test-1\n");
101 
102         if (useSSL) {
103             // Test renegotiation
104             SSLSocket ss = (SSLSocket) socket;
105             //ss.getSession().invalidate();
106             ss.startHandshake();
107         }
108 
109         bytesSent += writeMessage(socket, "test-2\n");
110 
111         int[] response = new int[bytesSent];
112         for (int i = 0; i < response.length; i++) {
113             response[i] = socket.getInputStream().read();
114         }
115 
116         if (useSSL) {
117             // Read SSL close notify.
118             while (socket.getInputStream().read() >= 0) {
119                 continue;
120             }
121         }
122 
123         socket.close();
124         while (acceptor.getManagedSessions().size() != 0) {
125             Thread.sleep(100);
126         }
127 
128         //System.out.println("handler: " + handler.sentMessages);
129         assertEquals("handler should have sent 2 messages:", 2,
130                 handler.sentMessages.size());
131         assertTrue(handler.sentMessages.contains("test-1"));
132         assertTrue(handler.sentMessages.contains("test-2"));
133     }
134 
135     private int writeMessage(Socket socket, String message) throws Exception {
136         byte request[] = message.getBytes(StandardCharsets.UTF_8);
137         socket.getOutputStream().write(request);
138         return request.length;
139     }
140 
141     private Socket getClientSocket(boolean ssl) throws Exception {
142         if (ssl) {
143             SSLContext ctx = SSLContext.getInstance("TLS");
144             ctx.init(null, trustManagers, null);
145             return ctx.getSocketFactory().createSocket("localhost", port);
146         }
147         return new Socket("localhost", port);
148     }
149 
150     private static class EchoHandler extends IoHandlerAdapter {
151 
152         List<String> sentMessages = new ArrayList<String>();
153 
154         @Override
155         public void exceptionCaught(IoSession session, Throwable cause)
156                 throws Exception {
157             //cause.printStackTrace();
158         }
159 
160         @Override
161         public void messageReceived(IoSession session, Object message)
162                 throws Exception {
163             session.write(message);
164         }
165 
166         @Override
167         public void messageSent(IoSession session, Object message)
168                 throws Exception {
169             sentMessages.add(message.toString());
170 
171             if (sentMessages.size() >= 2) {
172                 session.closeNow();
173             }
174         }
175     }
176 
177     TrustManager[] trustManagers = new TrustManager[] { new TrustAnyone() };
178 
179     private static class TrustAnyone implements X509TrustManager {
180         public void checkClientTrusted(
181                 java.security.cert.X509Certificate[] x509Certificates, String s)
182                 throws CertificateException {
183         }
184 
185         public void checkServerTrusted(
186                 java.security.cert.X509Certificate[] x509Certificates, String s)
187                 throws CertificateException {
188         }
189 
190         public java.security.cert.X509Certificate[] getAcceptedIssuers() {
191             return new java.security.cert.X509Certificate[0];
192         }
193     }
194 
195 }