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comparison app/src/main/java/org/tn5250j/framework/transport/SSL/X509CertificateTrustManager.java @ 438:d29cce60f393

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migrate from Eclipse to Android Studio
author Carl Byington <carl@five-ten-sg.com>
date Thu, 03 Dec 2015 11:23:55 -0800
parents src/org/tn5250j/framework/transport/SSL/X509CertificateTrustManager.java@77ac18bc1b2f
children
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437:208b31032318 438:d29cce60f393
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 com.five_ten_sg.connectbot.R;
33 import com.five_ten_sg.connectbot.service.TerminalBridge;
34 import com.five_ten_sg.connectbot.service.TerminalManager;
35
36
37 /**
38 * This class is used to trust certificates exchanged during an SSL socket
39 * handshake. It allows the user to accept the certificate so that connections
40 * can be made without requiring the server to have a certificate signed by a
41 * CA (Verisign, Thawte, etc.).
42 *
43 * @author Stephen M. Kennedy <skennedy@tenthpowertech.com>
44 * @deprecated. no longer used.
45 *
46 */
47 public class X509CertificateTrustManager implements X509TrustManager {
48
49 KeyStore ks = null;
50 TrustManager[] trustManagers;
51 TerminalBridge bridge = null;
52 TerminalManager manager = null;
53
54 public X509CertificateTrustManager(TrustManager[] managers, KeyStore keyStore, TerminalBridge bridge, TerminalManager manager) {
55 this.bridge = bridge;
56 this.manager = manager;
57 trustManagers = managers;
58 ks = keyStore;
59 }
60
61 public void checkClientTrusted(X509Certificate[] chain, String type) throws CertificateException {
62 throw new SecurityException("checkClientTrusted unsupported");
63 }
64
65
66 /**
67 * Checks the server certificate. If it isn't trusted by the trust manager
68 * passed to the constructor, then the user will be prompted to accept the
69 * certificate.
70 */
71 public void checkServerTrusted(X509Certificate[] chain, String type)
72 throws CertificateException {
73 try {
74 for (int i = 0; i < trustManagers.length; i++) {
75 if (trustManagers[i] instanceof X509TrustManager)
76 ((X509TrustManager)trustManagers[i]).checkServerTrusted(chain, type);
77 }
78
79 return;
80 }
81 catch (CertificateException ce) {
82 X509Certificate cert = chain[0];
83 String certInfo = "Version: " + cert.getVersion() + "\n";
84 certInfo = certInfo.concat("Serial Number: " + cert.getSerialNumber() + "\n");
85 certInfo = certInfo.concat("Signature Algorithm: " + cert.getSigAlgName() + "\n");
86 certInfo = certInfo.concat("Issuer: " + cert.getIssuerDN().getName() + "\n");
87 certInfo = certInfo.concat("Valid From: " + cert.getNotBefore() + "\n");
88 certInfo = certInfo.concat("Valid To: " + cert.getNotAfter() + "\n");
89 certInfo = certInfo.concat("Subject DN: " + cert.getSubjectDN().getName() + "\n");
90 certInfo = certInfo.concat("Public Key: " + cert.getPublicKey().getFormat() + "\n");
91 bridge.outputLine(manager.res.getString(R.string.host_certificate, certInfo));
92 Boolean result = bridge.promptHelper.requestBooleanPrompt(null, manager.res.getString(R.string.prompt_accept_certificate));
93
94 if ((result == null) || (!result.booleanValue())) {
95 throw new java.security.cert.CertificateException("Certificate Not Accepted");
96 }
97 }
98 }
99
100 public X509Certificate[] getAcceptedIssuers() {
101 ArrayList<X509Certificate> list = new ArrayList<X509Certificate>(10);
102
103 for (int i = 0; i < trustManagers.length; i++) {
104 if (trustManagers[i] instanceof X509TrustManager)
105 list.addAll(Arrays.asList(((X509TrustManager)trustManagers[i]).getAcceptedIssuers()));
106 }
107
108 X509Certificate[] acceptedIssuers = new X509Certificate[list.size()];
109 acceptedIssuers = list.toArray(acceptedIssuers);
110 return acceptedIssuers;
111 }
112 }