J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | import javax.security.auth.callback.*; |
| 25 | import java.util.*; |
| 26 | import java.io.*; |
| 27 | import javax.security.sasl.RealmCallback; |
| 28 | import javax.security.sasl.RealmChoiceCallback; |
| 29 | import com.sun.security.auth.callback.TextCallbackHandler; |
| 30 | |
| 31 | public final class ClientCallbackHandler extends TextCallbackHandler { |
| 32 | private String username = "john"; |
| 33 | private String password = "test123"; |
| 34 | private boolean auto; |
| 35 | |
| 36 | public ClientCallbackHandler(boolean auto) { |
| 37 | super(); |
| 38 | this.auto = auto; |
| 39 | } |
| 40 | |
| 41 | public void handle(Callback[] callbacks) throws UnsupportedCallbackException, |
| 42 | IOException { |
| 43 | NameCallback ncb = null; |
| 44 | PasswordCallback pcb = null; |
| 45 | RealmChoiceCallback rccb = null; |
| 46 | |
| 47 | List namePw = new ArrayList(3); |
| 48 | |
| 49 | for (int i = 0; i < callbacks.length; i++) { |
| 50 | if (callbacks[i] instanceof NameCallback) { |
| 51 | if (auto) { |
| 52 | ((NameCallback)callbacks[i]).setName(username); |
| 53 | } else { |
| 54 | // To be processed by TextCallbackHandler |
| 55 | namePw.add(callbacks[i]); |
| 56 | } |
| 57 | } else if (callbacks[i] instanceof PasswordCallback) { |
| 58 | if (auto) { |
| 59 | ((PasswordCallback)callbacks[i]).setPassword( |
| 60 | password.toCharArray()); |
| 61 | } else { |
| 62 | // To be processed by TextCallbackHandler |
| 63 | namePw.add(callbacks[i]); |
| 64 | } |
| 65 | } else if (callbacks[i] instanceof RealmChoiceCallback) { |
| 66 | RealmChoiceCallback rcb = (RealmChoiceCallback) callbacks[i]; |
| 67 | if (!auto) { |
| 68 | System.err.println(rcb.getPrompt()); |
| 69 | } |
| 70 | |
| 71 | String[] choices = rcb.getChoices(); |
| 72 | |
| 73 | if (!auto) { |
| 74 | for (int j=0; j < choices.length; j++) { |
| 75 | System.err.println(j + ":" + choices[j]); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | int selection; |
| 80 | if (auto) { |
| 81 | selection = 0; |
| 82 | } else { |
| 83 | System.err.print("Enter choice number: "); |
| 84 | String result = readLine(); |
| 85 | if (result.equals("")) { |
| 86 | selection = rcb.getDefaultChoice(); |
| 87 | } else { |
| 88 | selection = Integer.parseInt(result); |
| 89 | } |
| 90 | } |
| 91 | rcb.setSelectedIndex(selection); |
| 92 | |
| 93 | } else if (callbacks[i] instanceof RealmCallback) { |
| 94 | RealmCallback rcb = (RealmCallback) callbacks[i]; |
| 95 | String realm = rcb.getDefaultText(); |
| 96 | |
| 97 | if (auto) { |
| 98 | if (realm != null) { |
| 99 | rcb.setText(realm); |
| 100 | } |
| 101 | } else { |
| 102 | if (realm == null) { |
| 103 | System.err.print(rcb.getPrompt()); |
| 104 | } else { |
| 105 | System.err.print(rcb.getPrompt() + " [" + realm + "] "); |
| 106 | } |
| 107 | |
| 108 | System.err.flush(); |
| 109 | |
| 110 | String result = readLine(); |
| 111 | if (result.equals("")) { |
| 112 | result = realm; |
| 113 | } |
| 114 | rcb.setText(result); |
| 115 | } |
| 116 | } else { |
| 117 | throw new UnsupportedCallbackException(callbacks[i]); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | // Process name/password callbacks using superclass |
| 122 | if (namePw.size() > 0) { |
| 123 | Callback[] np = new Callback[namePw.size()]; |
| 124 | namePw.toArray(np); |
| 125 | |
| 126 | super.handle(np); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | /* Reads a line of input */ |
| 131 | private String readLine() throws IOException { |
| 132 | return new BufferedReader |
| 133 | (new InputStreamReader(System.in)).readLine(); |
| 134 | } |
| 135 | } |