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comparison src/org/tn5250j/framework/transport/SSL/X509CertificateTrustManager.java @ 3:e8d2a24e85c6 tn5250

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adding tn5250 files
author Carl Byington <carl@five-ten-sg.com>
date Thu, 22 May 2014 12:11:10 -0700
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children e773d0952613
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2:a01665cb683d 3:e8d2a24e85c6
1 package org.tn5250j.framework.transport.SSL;
2
3 /*
4 * @(#)X509CertificateTrustManager.java
5 *
6 * Copyright: Copyright (c) 2001
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this software; see the file COPYING. If not, write to
20 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
21 * Boston, MA 02111-1307 USA
22 *
23 */
24 import javax.net.ssl.TrustManager;
25 import javax.net.ssl.X509TrustManager;
26 import java.security.cert.X509Certificate;
27 import java.security.KeyStore;
28 import java.security.cert.CertificateException;
29 import java.util.ArrayList;
30 import java.util.Arrays;
31
32 import javax.swing.JOptionPane;
33
34 /**
35 * This class is used to trust certificates exchanged during an SSL socket
36 * handshake. It allows the user to accept the certificate so that connections
37 * can be made without requiring the server to have a certificate signed by a
38 * CA (Verisign, Thawte, etc.).
39 *
40 * @author Stephen M. Kennedy <skennedy@tenthpowertech.com>
41 * @deprecated. no longer used.
42 *
43 */
44 public class X509CertificateTrustManager implements X509TrustManager {
45
46 KeyStore ks = null;
47 TrustManager[] trustManagers;
48 //X509TrustManager trustManager = null;
49
50 public X509CertificateTrustManager(TrustManager[] managers, KeyStore keyStore) {
51 trustManagers = managers;
52 ks = keyStore;
53 }
54
55 public void checkClientTrusted(X509Certificate[] chain, String type) throws CertificateException {
56 throw new SecurityException("checkClientTrusted unsupported");
57 }
58
59
60 /**
61 * Checks the server certificate. If it isn't trusted by the trust manager
62 * passed to the constructor, then the user will be prompted to accept the
63 * certificate.
64 */
65 public void checkServerTrusted(X509Certificate[] chain, String type)
66 throws CertificateException {
67 try {
68 for (int i=0; i<trustManagers.length; i++) {
69 if (trustManagers[i] instanceof X509TrustManager)
70 ((X509TrustManager)trustManagers[i]).checkServerTrusted(chain,type);
71 }
72 return;
73 } catch (CertificateException ce) {
74 X509Certificate cert = chain[0];
75 String certInfo = "Version: " + cert.getVersion() + "\n";
76 certInfo = certInfo.concat("Serial Number: " + cert.getSerialNumber()+"\n");
77 certInfo = certInfo.concat("Signature Algorithm: " + cert.getSigAlgName()+"\n");
78 certInfo = certInfo.concat("Issuer: " + cert.getIssuerDN().getName()+"\n");
79 certInfo = certInfo.concat("Valid From: " + cert.getNotBefore()+"\n");
80 certInfo = certInfo.concat("Valid To: " + cert.getNotAfter()+"\n");
81 certInfo = certInfo.concat("Subject DN: " + cert.getSubjectDN().getName()+"\n");
82 certInfo = certInfo.concat("Public Key: " + cert.getPublicKey().getFormat()+"\n");
83
84 int accept = JOptionPane.showConfirmDialog(null,certInfo,
85 "Accept Certificate",javax.swing.JOptionPane.YES_NO_OPTION);
86 if (accept != JOptionPane.YES_OPTION) {
87 throw new java.security.cert.CertificateException("Certificate Not Accepted");
88 }
89 }
90 }
91
92 public X509Certificate[] getAcceptedIssuers() {
93 ArrayList<X509Certificate> list = new ArrayList<X509Certificate>(10);
94 for (int i=0; i<trustManagers.length; i++) {
95 if (trustManagers[i] instanceof X509TrustManager)
96 list.addAll(Arrays.asList(((X509TrustManager)trustManagers[i]).getAcceptedIssuers()));
97 }
98 X509Certificate[] acceptedIssuers = new X509Certificate[list.size()];
99 acceptedIssuers = list.toArray(acceptedIssuers);
100 return acceptedIssuers;
101 }
102 }