73 lines
2.2 KiB
Java
73 lines
2.2 KiB
Java
package com.ruoyi.common.utils;
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import sun.net.util.IPAddressUtil;
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import javax.servlet.http.HttpServletRequest;
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/**
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* 获取IP方法
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*
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* @author ruoyi
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*/
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public class IpUtils {
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public static String getIpAddr(HttpServletRequest request) {
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if (request == null) {
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return "unknown";
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}
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String ip = request.getHeader("x-forwarded-for");
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("Proxy-Client-IP");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("X-Forwarded-For");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("WL-Proxy-Client-IP");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("X-Real-IP");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getRemoteAddr();
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}
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return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : ip;
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}
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public static boolean internalIp(String ip) {
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byte[] addr = IPAddressUtil.textToNumericFormatV4(ip);
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return internalIp(addr);
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}
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private static boolean internalIp(byte[] addr) {
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final byte b0 = addr[0];
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final byte b1 = addr[1];
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//10.x.x.x/8
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final byte SECTION_1 = 0x0A;
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//172.16.x.x/12
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final byte SECTION_2 = (byte) 0xAC;
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final byte SECTION_3 = (byte) 0x10;
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final byte SECTION_4 = (byte) 0x1F;
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//192.168.x.x/16
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final byte SECTION_5 = (byte) 0xC0;
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final byte SECTION_6 = (byte) 0xA8;
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switch (b0) {
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case SECTION_1:
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return true;
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case SECTION_2:
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if (b1 >= SECTION_3 && b1 <= SECTION_4) {
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return true;
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}
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case SECTION_5:
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switch (b1) {
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case SECTION_6:
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return true;
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}
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default:
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return false;
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}
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}
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} |