通过httprequest获取用户ip
2015-09-18 14:49
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转的,留着吧。。
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import org.apache.log4j.Logger;
public final class NetworkUtil {
private static Logger logger = Logger.getLogger(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;
* @Title: getIpAddress
* @Description: TODO
* @param @param request
* @param @return
* @param @throws IOException
* @return String
* @throws
* @author zhangjf
*/
public final static String getIpAddress(HttpServletRequest request) throws IOException {
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;
}
}
}
return ip;
}
}
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import org.apache.log4j.Logger;
public final class NetworkUtil {
private static Logger logger = Logger.getLogger(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;
* @Title: getIpAddress
* @Description: TODO
* @param @param request
* @param @return
* @param @throws IOException
* @return String
* @throws
* @author zhangjf
*/
public final static String getIpAddress(HttpServletRequest request) throws IOException {
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;
}
}
}
return ip;
}
}
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