/**
* 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.hadoop.gateway.preauth.filter;
import javax.servlet.FilterConfig;
import javax.servlet.http.HttpServletRequest;
import org.apache.hadoop.gateway.util.IpAddressValidator;
/**
*
*/
public class IPValidator implements PreAuthValidator {
public static final String IP_ADDRESSES_PARAM = "preauth.ip.addresses";
public static final String IP_VALIDATION_METHOD_VALUE = "preauth.ip.validation";
public IPValidator() {
}
/**
* @param httpRequest
* @param filterConfig
* @return true if validated, otherwise false
* @throws PreAuthValidationException
*/
@Override
public boolean validate(HttpServletRequest httpRequest, FilterConfig filterConfig)
throws PreAuthValidationException {
String ipParam = filterConfig.getInitParameter(IP_ADDRESSES_PARAM);
IpAddressValidator ipv = new IpAddressValidator(ipParam);
return ipv.validateIpAddress(httpRequest.getRemoteAddr());
}
/**
* Return unique validator name
*
* @return name of validator
*/
@Override
public String getName() {
return IP_VALIDATION_METHOD_VALUE;
}
}