com.mycomm.itool.WebAppModule.utils.WebUtils Maven / Gradle / Ivy

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/*
 * Copyright 2018 jw362j.
 *
 * Licensed 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 com.mycomm.itool.WebAppModule.utils;

import com.mycomm.itool.WebAppModule.logs.TheLogger;
import javax.servlet.http.HttpServletRequest;

/**
 *
 * @author jw362j
 */
public class WebUtils {

    public final static String getIpAddress(HttpServletRequest request) {
        return getIpAddress(request, null);
    }

    public final static String getIpAddress(HttpServletRequest request, TheLogger logger) {
        String ip = null;
        if (request == null) {
            return ip;
        }
        ip = request.getHeader("X-Forwarded-For");
        if (logger != null) {
            logger.info("getIpAddress(HttpServletRequest) - X-Forwarded-For - String ip=" + ip);
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("Proxy-Client-IP");
                if (logger != null) {
                    logger.info("getIpAddress(HttpServletRequest) - Proxy-Client-IP - String ip=" + ip);
                }
            }
            if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("WL-Proxy-Client-IP");
                if (logger != null) {
                    logger.info("getIpAddress(HttpServletRequest) - WL-Proxy-Client-IP - String ip=" + ip);
                }
            }
            if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("HTTP_CLIENT_IP");
                if (logger != null) {
                    logger.info("getIpAddress(HttpServletRequest) - HTTP_CLIENT_IP - String ip=" + ip);
                }
            }
            if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getHeader("HTTP_X_FORWARDED_FOR");
                if (logger != null) {
                    logger.info("getIpAddress(HttpServletRequest) - HTTP_X_FORWARDED_FOR - String ip=" + ip);
                }
            }
            if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
                ip = request.getRemoteAddr();
                if (logger != null) {
                    logger.info("getIpAddress(HttpServletRequest) - getRemoteAddr - String ip=" + ip);
                }
            }
        } else if (ip.length() > 15) {
            String[] ips = ip.split(",");
            if (ips != null && ips.length > 0) {
                for (String tmp : ips) {
                    if (!("unknown".equalsIgnoreCase(tmp))) {
                        ip = tmp;
                        break;
                    }
                }
            }
        }
        return ip;
    }
}