org.springframework.biz.utils.WebUtils Maven / Gradle / Ivy
package org.springframework.biz.utils;
import javax.servlet.http.HttpServletRequest;
import hitool.core.lang3.StringUtils;
import hitool.core.lang3.network.InetAddressUtils;
import lombok.extern.slf4j.Slf4j;
/*
* http://blog.csdn.net/caoshuming_500/article/details/20952329
* https://www.cnblogs.com/wang1001/p/9605761.html
* @author hiwepy
*/
@Slf4j
public class WebUtils extends org.springframework.web.util.WebUtils {
private static String[] xheaders = new String[] { "X-Forwarded-For", "x-forwarded-for" };
private static String[] headers = new String[] { "Cdn-Src-Ip", "Proxy-Client-IP", "WL-Proxy-Client-IP", "X-Real-IP",
"HTTP_CLIENT_IP", "HTTP_X_FORWARDED_FOR" };
private static String LOCAL_HOST = "localhost";
private static String LOCAL_IP6 = "0:0:0:0:0:0:0:1";
private static String LOCAL_IP = "127.0.0.1";
private static String UNKNOWN = "unknown";
/**
* 获取请求客户端IP地址，支持代理服务器
*
* @param request {@link HttpServletRequest} 对象
* @return IP地址
*/
public static String getRemoteAddr(HttpServletRequest request) {
// 1、获取客户端IP地址，支持代理服务器
String remoteAddr = UNKNOWN;
for (String xheader : xheaders) {
remoteAddr = request.getHeader(xheader);
log.debug(" {} : {} ", xheader, remoteAddr);
if (StringUtils.hasText(remoteAddr) && !UNKNOWN.equalsIgnoreCase(remoteAddr)) {
// 多次反向代理后会有多个ip值，第一个ip才是真实ip
if (remoteAddr.indexOf(",") != -1) {
remoteAddr = remoteAddr.split(",")[0];
}
break;
}
}
if (!StringUtils.hasText(remoteAddr) || UNKNOWN.equalsIgnoreCase(remoteAddr)) {
for (String header : headers) {
remoteAddr = request.getHeader(header);
log.debug(" {} : {} ", header, remoteAddr);
if (StringUtils.hasText(remoteAddr) && !UNKNOWN.equalsIgnoreCase(remoteAddr)) {
break;
}
}
}
// 2、没有取得特定标记的值
if (!StringUtils.hasText(remoteAddr) || UNKNOWN.equalsIgnoreCase(remoteAddr)) {
remoteAddr = request.getRemoteAddr();
}
// 3、判断是否localhost访问
if (LOCAL_HOST.equals(remoteAddr) || LOCAL_IP6.equals(remoteAddr)) {
remoteAddr = LOCAL_IP;
}
return remoteAddr;
}
/*
* 获得请求的客户端信息【ip,port,name】
* @param request {@link HttpServletRequest} 对象
* @return 客户端信息[ip,port,name]
*/
public static String[] getRemoteInfo(HttpServletRequest request) {
if (request == null) {
return new String[] { "", "", "" };
}
return new String[] { getRemoteAddr(request), request.getRemotePort() + "", request.getRemoteHost()};
}
public static boolean isSameSegment(HttpServletRequest request) {
String remoteIp = getRemoteAddr(request);
return InetAddressUtils.isSameSegment(remoteIp);
}
public static String getLocalHostAddress() {
return InetAddressUtils.getLocalHostAddress();
}
public static String getLocalHostName() {
return InetAddressUtils.getLocalHostName();
}
}