NetworkUtil.java
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package com.espeed.reading.util;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
*
*
* @项目名称: 邮件跟踪系统
* @版权所有: 深圳市科飞时速网络技术有限公司(0755-88843776)
* @技术支持: info@21gmail.com
* @单元名称: 获取客户端真实ip
* @开始时间: 2018-5-23
* @开发人员: 杨志钊
*/
public final class NetworkUtil {
/**
* Logger for this class
*/
private static final Log logger = LogFactory.getLog(NetworkUtil.class);
/**
* 获取请求主机IP地址,如果通过代理进来，则透过防火墙获取真实IP地址;
*
* @param request
* @return
* @throws IOException
*/
public final static String getIpAddress(HttpServletRequest request)
throws IOException {
// 获取请求主机IP地址,如果通过代理进来，则透过防火墙获取真实IP地址
String ip = request.getHeader("X-Forwarded-For");
if (logger.isInfoEnabled()) {
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.isInfoEnabled()) {
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.isInfoEnabled()) {
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.isInfoEnabled()) {
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.isInfoEnabled()) {
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.isInfoEnabled()) {
logger.info("getIpAddress(HttpServletRequest) - getRemoteAddr - String ip="
+ ip);
}
}
} else if (ip.length() > 15) {
String[] ips = ip.split(",");
for (int index = 0; index < ips.length; index++) {
String strIp = (String) ips[index];
if (!("unknown".equalsIgnoreCase(strIp))) {
ip = strIp;
break;
}
}
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = "unknown";
}
return ip;
}
}