/*
* 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;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class DefaultPasswordPatternPolicy extends AbstractPasswordPolicyEnforcer {
private String PASSWORD_PATTERN = ".";
private Pattern pattern;
private Matcher matcher;
@Override
public boolean enforce(Object... args) {
if (args != null) {
String password = args[0].toString();
matcher = pattern.matcher(password);
if (matcher.matches()) {
return true;
} else {
if (errorMessage == null) {
errorMessage = "Password pattern policy violated. Policy :"+ pattern;
}
return false;
}
} else {
return true;
}
}
@Override
public void init(Map<String, String> params) {
if (!MapUtils.isEmpty(params)) {
PASSWORD_PATTERN = params.get("pattern");
errorMessage = params.get("errorMsg");
}
pattern = Pattern.compile(PASSWORD_PATTERN);
}
}