/**
* 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.camel.component.jasypt;
import java.util.Properties;
import org.apache.camel.component.properties.DefaultPropertiesParser;
import org.apache.camel.util.ObjectHelper;
import org.jasypt.encryption.pbe.StandardPBEStringEncryptor;
/**
* A {@link org.apache.camel.component.properties.PropertiesParser} which is using
* <a href="http://www.jasypt.org/">Jasypt</a> to decrypt any encrypted values.
* <p/>
* The values must be enclosed in the prefix and suffix token.
*
* @version
*/
public class JasyptPropertiesParser extends DefaultPropertiesParser {
public static final String JASYPT_PREFIX_TOKEN = "ENC(";
public static final String JASYPT_SUFFIX_TOKEN = ")";
private StandardPBEStringEncryptor encryptor;
private String password;
private String algorithm;
public String getPassword() {
return password;
}
public void setPassword(String password) {
// lookup password as either environment or JVM system property
if (password.startsWith("sysenv:")) {
password = System.getenv(ObjectHelper.after(password, "sysenv:"));
}
if (password.startsWith("sys:")) {
password = System.getProperty(ObjectHelper.after(password, "sys:"));
}
this.password = password;
}
public String getAlgorithm() {
return algorithm;
}
public void setAlgorithm(String algorithm) {
this.algorithm = algorithm;
}
public synchronized StandardPBEStringEncryptor getEncryptor() {
if (encryptor == null) {
// password is mandatory
ObjectHelper.notEmpty("password", getPassword());
encryptor = new StandardPBEStringEncryptor();
encryptor.setPassword(getPassword());
if (algorithm != null) {
encryptor.setAlgorithm(getAlgorithm());
}
}
return encryptor;
}
@Override
public String parseProperty(String key, String value, Properties properties) {
// check if the value is using the tokens
String text = ObjectHelper.between(value, JASYPT_PREFIX_TOKEN, JASYPT_SUFFIX_TOKEN);
if (text == null) {
// not encrypted
log.trace("Property is not encrypted {}", text);
return value;
} else {
log.trace("Decrypting property {}", text);
// do not log the decrypted text as it could be sensitive information such as a password
return getEncryptor().decrypt(text);
}
}
}