| /* |
| * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import javax.security.auth.callback.*; |
| import java.util.*; |
| import java.io.*; |
| import javax.security.sasl.RealmCallback; |
| import javax.security.sasl.RealmChoiceCallback; |
| import com.sun.security.auth.callback.TextCallbackHandler; |
| |
| public final class ClientCallbackHandler extends TextCallbackHandler { |
| private String username = "john"; |
| private String password = "test123"; |
| private boolean auto; |
| |
| public ClientCallbackHandler(boolean auto) { |
| super(); |
| this.auto = auto; |
| } |
| |
| public void handle(Callback[] callbacks) throws UnsupportedCallbackException, |
| IOException { |
| NameCallback ncb = null; |
| PasswordCallback pcb = null; |
| RealmChoiceCallback rccb = null; |
| |
| List namePw = new ArrayList(3); |
| |
| for (int i = 0; i < callbacks.length; i++) { |
| if (callbacks[i] instanceof NameCallback) { |
| if (auto) { |
| ((NameCallback)callbacks[i]).setName(username); |
| } else { |
| // To be processed by TextCallbackHandler |
| namePw.add(callbacks[i]); |
| } |
| } else if (callbacks[i] instanceof PasswordCallback) { |
| if (auto) { |
| ((PasswordCallback)callbacks[i]).setPassword( |
| password.toCharArray()); |
| } else { |
| // To be processed by TextCallbackHandler |
| namePw.add(callbacks[i]); |
| } |
| } else if (callbacks[i] instanceof RealmChoiceCallback) { |
| RealmChoiceCallback rcb = (RealmChoiceCallback) callbacks[i]; |
| if (!auto) { |
| System.err.println(rcb.getPrompt()); |
| } |
| |
| String[] choices = rcb.getChoices(); |
| |
| if (!auto) { |
| for (int j=0; j < choices.length; j++) { |
| System.err.println(j + ":" + choices[j]); |
| } |
| } |
| |
| int selection; |
| if (auto) { |
| selection = 0; |
| } else { |
| System.err.print("Enter choice number: "); |
| String result = readLine(); |
| if (result.equals("")) { |
| selection = rcb.getDefaultChoice(); |
| } else { |
| selection = Integer.parseInt(result); |
| } |
| } |
| rcb.setSelectedIndex(selection); |
| |
| } else if (callbacks[i] instanceof RealmCallback) { |
| RealmCallback rcb = (RealmCallback) callbacks[i]; |
| String realm = rcb.getDefaultText(); |
| |
| if (auto) { |
| if (realm != null) { |
| rcb.setText(realm); |
| } |
| } else { |
| if (realm == null) { |
| System.err.print(rcb.getPrompt()); |
| } else { |
| System.err.print(rcb.getPrompt() + " [" + realm + "] "); |
| } |
| |
| System.err.flush(); |
| |
| String result = readLine(); |
| if (result.equals("")) { |
| result = realm; |
| } |
| rcb.setText(result); |
| } |
| } else { |
| throw new UnsupportedCallbackException(callbacks[i]); |
| } |
| } |
| |
| // Process name/password callbacks using superclass |
| if (namePw.size() > 0) { |
| Callback[] np = new Callback[namePw.size()]; |
| namePw.toArray(np); |
| |
| super.handle(np); |
| } |
| } |
| |
| /* Reads a line of input */ |
| private String readLine() throws IOException { |
| return new BufferedReader |
| (new InputStreamReader(System.in)).readLine(); |
| } |
| } |