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1   /*
2    * Copyright 2014 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  
17  package io.netty.handler.ssl.util;
18  
19  import io.netty.util.internal.EmptyArrays;
20  import io.netty.util.internal.logging.InternalLogger;
21  import io.netty.util.internal.logging.InternalLoggerFactory;
22  
23  import javax.net.ssl.ManagerFactoryParameters;
24  import javax.net.ssl.TrustManager;
25  import javax.net.ssl.TrustManagerFactory;
26  import javax.net.ssl.X509TrustManager;
27  import java.security.KeyStore;
28  import java.security.cert.X509Certificate;
29  
30  /**
31   * An insecure {@link TrustManagerFactory} that trusts all X.509 certificates without any verification.
32   * <p>
33   * <strong>NOTE:</strong>
34   * Never use this {@link TrustManagerFactory} in production.
35   * It is purely for testing purposes, and thus it is very insecure.
36   * </p>
37   */
38  public final class InsecureTrustManagerFactory extends SimpleTrustManagerFactory {
39  
40      private static final InternalLogger logger = InternalLoggerFactory.getInstance(InsecureTrustManagerFactory.class);
41  
42      public static final TrustManagerFactory INSTANCE = new InsecureTrustManagerFactory();
43  
44      private static final TrustManager tm = new X509TrustManager() {
45          @Override
46          public void checkClientTrusted(X509Certificate[] chain, String s) {
47              if (logger.isDebugEnabled()) {
48                  logger.debug("Accepting a client certificate: " + chain[0].getSubjectDN());
49              }
50          }
51  
52          @Override
53          public void checkServerTrusted(X509Certificate[] chain, String s) {
54              if (logger.isDebugEnabled()) {
55                  logger.debug("Accepting a server certificate: " + chain[0].getSubjectDN());
56              }
57          }
58  
59          @Override
60          public X509Certificate[] getAcceptedIssuers() {
61              return EmptyArrays.EMPTY_X509_CERTIFICATES;
62          }
63      };
64  
65      private InsecureTrustManagerFactory() { }
66  
67      @Override
68      protected void engineInit(KeyStore keyStore) throws Exception { }
69  
70      @Override
71      protected void engineInit(ManagerFactoryParameters managerFactoryParameters) throws Exception { }
72  
73      @Override
74      protected TrustManager[] engineGetTrustManagers() {
75          return new TrustManager[] { tm };
76      }
77  }