| %line | %branch | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| org.apache.jetspeed.security.impl.PassiveCallbackHandler |
|
|
| 1 | /* |
|
| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
|
| 3 | * contributor license agreements. See the NOTICE file distributed with |
|
| 4 | * this work for additional information regarding copyright ownership. |
|
| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
|
| 6 | * (the "License"); you may not use this file except in compliance with |
|
| 7 | * the License. You may obtain a copy of the License at |
|
| 8 | * |
|
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
|
| 10 | * |
|
| 11 | * Unless required by applicable law or agreed to in writing, software |
|
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
|
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
| 14 | * See the License for the specific language governing permissions and |
|
| 15 | * limitations under the License. |
|
| 16 | */ |
|
| 17 | package org.apache.jetspeed.security.impl; |
|
| 18 | ||
| 19 | import javax.security.auth.callback.*; |
|
| 20 | ||
| 21 | /** |
|
| 22 | * <p>PassiveCallbackHandler has constructor that takes |
|
| 23 | * a username and password so its handle() method does |
|
| 24 | * not have to prompt the user for input.</p> |
|
| 25 | * <p>Useful for server-side applications.</p> |
|
| 26 | * |
|
| 27 | * <p>This code was inspired from an article from:<p> |
|
| 28 | * <ul> |
|
| 29 | * <li><a href="http://www.javaworld.com/javaworld/jw-09-2002/jw-0913-jaas.html"> |
|
| 30 | * All that JAAS</a></li> |
|
| 31 | * </ul> * |
|
| 32 | * @author <a href="mailto:dlestrat@apache.org">David Le Strat</a> |
|
| 33 | */ |
|
| 34 | ||
| 35 | public class PassiveCallbackHandler implements CallbackHandler |
|
| 36 | { |
|
| 37 | ||
| 38 | private String username; |
|
| 39 | char[] password; |
|
| 40 | ||
| 41 | /** |
|
| 42 | * <p>Creates a callback handler with the give username |
|
| 43 | * and password.</p> |
|
| 44 | * @param username The username. |
|
| 45 | * @param password The password. |
|
| 46 | */ |
|
| 47 | public PassiveCallbackHandler(String username, String password) |
|
| 48 | 0 | { |
| 49 | 0 | this.username = username; |
| 50 | 0 | this.password = password.toCharArray(); |
| 51 | 0 | } |
| 52 | ||
| 53 | /** |
|
| 54 | * <p>Handles the specified set of Callbacks. Uses the |
|
| 55 | * username and password that were supplied to our |
|
| 56 | * constructor to popluate the Callbacks.</p> |
|
| 57 | * <p>This class supports NameCallback and PasswordCallback.</p> |
|
| 58 | * |
|
| 59 | * @param callbacks the callbacks to handle |
|
| 60 | * @throws IOException if an input or output error occurs. |
|
| 61 | * @throws UnsupportedCallbackException if the callback is not an |
|
| 62 | * instance of NameCallback or PasswordCallback |
|
| 63 | */ |
|
| 64 | public void handle(Callback[] callbacks) throws java.io.IOException, UnsupportedCallbackException |
|
| 65 | { |
|
| 66 | 0 | for (int i = 0; i < callbacks.length; i++) |
| 67 | { |
|
| 68 | 0 | if (callbacks[i] instanceof NameCallback) |
| 69 | { |
|
| 70 | 0 | ((NameCallback) callbacks[i]).setName(username); |
| 71 | } |
|
| 72 | 0 | else if (callbacks[i] instanceof PasswordCallback) |
| 73 | { |
|
| 74 | 0 | ((PasswordCallback) callbacks[i]).setPassword(password); |
| 75 | } |
|
| 76 | else |
|
| 77 | { |
|
| 78 | 0 | throw new UnsupportedCallbackException(callbacks[i], "Callback class not supported"); |
| 79 | } |
|
| 80 | } |
|
| 81 | 0 | } |
| 82 | ||
| 83 | /** |
|
| 84 | * <p>Clears out password state.</p> |
|
| 85 | */ |
|
| 86 | public void clearPassword() |
|
| 87 | { |
|
| 88 | 0 | if (password != null) |
| 89 | { |
|
| 90 | 0 | for (int i = 0; i < password.length; i++) |
| 91 | { |
|
| 92 | 0 | password[i] = ' '; |
| 93 | } |
|
| 94 | 0 | password = null; |
| 95 | } |
|
| 96 | 0 | } |
| 97 | ||
| 98 | } |
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |