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@ -1,7 +1,5 @@
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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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@ -9,39 +7,48 @@ import javax.servlet.http.HttpServletRequest;
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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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public class IpUtils
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{
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public static String getIpAddr(HttpServletRequest request)
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{
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if (request == null)
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{
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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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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
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{
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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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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
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{
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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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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
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{
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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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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
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{
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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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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
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{
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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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public static boolean internalIp(String ip)
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{
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byte[] addr = textToNumericFormatV4(ip);
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return internalIp(addr) || "127.0.0.1".equals(ip);
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}
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private static boolean internalIp(byte[] addr) {
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private static boolean internalIp(byte[] addr)
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{
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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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@ -53,21 +60,99 @@ public class IpUtils {
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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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switch (b0)
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{
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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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if (b1 >= SECTION_3 && b1 <= SECTION_4)
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{
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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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switch (b1)
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{
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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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/**
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* 将IPv4地址转换成字节
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*
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* @param IPv4地址
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* @return byte 字节
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*/
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public static byte[] textToNumericFormatV4(String text)
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{
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if (text.length() == 0)
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{
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return null;
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}
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byte[] bytes = new byte[4];
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String[] elements = text.split("\\.", -1);
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try
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{
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long l;
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int i;
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switch (elements.length)
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{
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case 1:
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l = Long.parseLong(elements[0]);
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if ((l < 0L) || (l > 4294967295L))
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return null;
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bytes[0] = (byte) (int) (l >> 24 & 0xFF);
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bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);
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bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
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bytes[3] = (byte) (int) (l & 0xFF);
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break;
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case 2:
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l = Integer.parseInt(elements[0]);
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if ((l < 0L) || (l > 255L))
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return null;
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bytes[0] = (byte) (int) (l & 0xFF);
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l = Integer.parseInt(elements[1]);
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if ((l < 0L) || (l > 16777215L))
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return null;
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bytes[1] = (byte) (int) (l >> 16 & 0xFF);
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bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
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bytes[3] = (byte) (int) (l & 0xFF);
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break;
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case 3:
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for (i = 0; i < 2; ++i)
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{
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l = Integer.parseInt(elements[i]);
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if ((l < 0L) || (l > 255L))
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return null;
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bytes[i] = (byte) (int) (l & 0xFF);
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}
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l = Integer.parseInt(elements[2]);
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if ((l < 0L) || (l > 65535L))
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return null;
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bytes[2] = (byte) (int) (l >> 8 & 0xFF);
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bytes[3] = (byte) (int) (l & 0xFF);
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break;
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case 4:
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for (i = 0; i < 4; ++i)
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{
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l = Integer.parseInt(elements[i]);
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if ((l < 0L) || (l > 255L))
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return null;
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bytes[i] = (byte) (int) (l & 0xFF);
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}
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break;
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default:
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return null;
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}
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}
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catch (NumberFormatException e)
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{
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return null;
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}
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return bytes;
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}
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}
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