/*
* Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.carbon.identity.mgt.policy.password;
import org.apache.commons.collections.MapUtils;
import org.wso2.carbon.identity.mgt.policy.AbstractPasswordPolicyEnforcer;
import java.util.Map;
/**
* This class is used to enforce the password length policy. This checks minimum and
* maximum lengths of the password.
*/
public class DefaultPasswordLengthPolicy extends AbstractPasswordPolicyEnforcer {
private int MIN_LENGTH = 6;
private int MAX_LENGTH = 10;
/**
* Required initializations to get the configuration values from file.
*/
@Override
public void init(Map<String, String> params) {
/*
* Initialize the configuration with the parameters defined in config file.
* Eg.
* In the config file if you specify as follows.
* Password.policy.extensions.1.min.length=6
* Get the value from the map as shown below using key "min.length".
*/
if (!MapUtils.isEmpty(params)) {
MIN_LENGTH = Integer.parseInt(params.get("min.length"));
MAX_LENGTH = Integer.parseInt(params.get("max.length"));
}
}
/**
* Policy enforcing method.
*
* @param - the first parameter assumed to be the password. The order of the parameters
* are implementation dependent.
*/
@Override
public boolean enforce(Object... args) {
// If null input pass through.
if (args != null) {
String password = args[0].toString();
if (password.length() < MIN_LENGTH) {
errorMessage = "Password at least should have " + MIN_LENGTH + " characters";
return false;
} else if (password.length() > MAX_LENGTH) {
errorMessage = "Password cannot have more than " + MAX_LENGTH + " characters";
return false;
} else {
return true;
}
} else {
return true;
}
}
}