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