| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.qpid.server.security.auth.sasl.plain; |
| |
| import javax.security.auth.callback.PasswordCallback; |
| import java.util.Arrays; |
| |
| /** |
| * Custom PasswordCallback for use during the PLAIN authentication process. |
| * |
| * To be used in combination with PrincipalDatabase implementations that |
| * can either set a plain text value in the parent callback, or use the |
| * setAuthenticated(bool) method after observing the incoming plain text. |
| * |
| * isAuthenticated() should then be used to determine the final result. |
| * |
| */ |
| public class PlainPasswordCallback extends PasswordCallback |
| { |
| private char[] _plainPassword; |
| private boolean _authenticated = false; |
| |
| /** |
| * Constructs a new PlainPasswordCallback with the incoming plain text password. |
| * |
| * @throws NullPointerException if the incoming plain text is null |
| */ |
| public PlainPasswordCallback(String prompt, boolean echoOn, String plainPassword) |
| { |
| super(prompt, echoOn); |
| |
| if(plainPassword == null) |
| { |
| throw new NullPointerException("Incoming plain text cannot be null"); |
| } |
| |
| _plainPassword = plainPassword.toCharArray(); |
| } |
| |
| public String getPlainPassword() |
| { |
| return new String(_plainPassword); |
| } |
| |
| public void setAuthenticated(boolean authenticated) |
| { |
| _authenticated = authenticated; |
| } |
| |
| /** |
| * Method to determine if the incoming plain password is authenticated |
| * |
| * @return true if the stored password matches the incoming text, or setAuthenticated(true) has been called |
| */ |
| public boolean isAuthenticated() |
| { |
| char[] storedPassword = getPassword(); |
| |
| return Arrays.equals(_plainPassword, storedPassword) || _authenticated; |
| } |
| } |
| |