001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.jaas;
018
019import org.jasypt.encryption.pbe.StandardPBEStringEncryptor;
020import org.jasypt.encryption.pbe.config.EnvironmentStringPBEConfig;
021import org.jasypt.properties.PropertyValueEncryptionUtils;
022
023import java.util.ArrayList;
024import java.util.Properties;
025
026/**
027 * Holds utility methods used work with encrypted values.
028 */
029public class EncryptionSupport {
030
031    static public void decrypt(Properties props) {
032        StandardPBEStringEncryptor encryptor = createEncryptor();
033        for (Object k : new ArrayList(props.keySet())) {
034            String key = (String) k;
035            String value = props.getProperty(key);
036            if (PropertyValueEncryptionUtils.isEncryptedValue(value)) {
037                value = PropertyValueEncryptionUtils.decrypt(value, encryptor);
038                props.setProperty(key, value);
039            }
040        }
041
042    }
043    public static StandardPBEStringEncryptor createEncryptor() {
044        StandardPBEStringEncryptor encryptor = new StandardPBEStringEncryptor();
045        EnvironmentStringPBEConfig config = new EnvironmentStringPBEConfig();
046        config.setAlgorithm("PBEWithMD5AndDES");
047        config.setPasswordEnvName("ACTIVEMQ_ENCRYPTION_PASSWORD");
048        encryptor.setConfig(config);
049        return encryptor;
050    }
051
052}