From 3131b7ea9d129936a88e960e010b66bcb8434f09 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期二, 25 五月 2021 13:40:18 +0800
Subject: [PATCH] fix redis反序列化异常问题

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/ip/IpUtils.java |  389 +++++++++++++++++++++++++++---------------------------
 1 files changed, 195 insertions(+), 194 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/ip/IpUtils.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/ip/IpUtils.java
index 771e3f8..c46c69b 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/ip/IpUtils.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/ip/IpUtils.java
@@ -1,195 +1,196 @@
-package com.ruoyi.common.utils.ip;
-
-import java.net.InetAddress;
-import java.net.UnknownHostException;
-import javax.servlet.http.HttpServletRequest;
-import com.ruoyi.common.utils.StringUtils;
-import com.ruoyi.common.utils.html.EscapeUtil;
-
-/**
- * 鑾峰彇IP鏂规硶
- * 
- * @author ruoyi
- */
-public class IpUtils
-{
-    public static String getIpAddr(HttpServletRequest request)
-    {
-        if (request == null)
-        {
-            return "unknown";
-        }
-        String ip = request.getHeader("x-forwarded-for");
-        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
-        {
-            ip = request.getHeader("Proxy-Client-IP");
-        }
-        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
-        {
-            ip = request.getHeader("X-Forwarded-For");
-        }
-        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
-        {
-            ip = request.getHeader("WL-Proxy-Client-IP");
-        }
-        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
-        {
-            ip = request.getHeader("X-Real-IP");
-        }
-
-        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
-        {
-            ip = request.getRemoteAddr();
-        }
-        return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : EscapeUtil.clean(ip);
-    }
-
-    public static boolean internalIp(String ip)
-    {
-        byte[] addr = textToNumericFormatV4(ip);
-        return internalIp(addr) || "127.0.0.1".equals(ip);
-    }
-
-    private static boolean internalIp(byte[] addr)
-    {
-        if (StringUtils.isNull(addr) || addr.length < 2)
-        {
-            return true;
-        }
-        final byte b0 = addr[0];
-        final byte b1 = addr[1];
-        // 10.x.x.x/8
-        final byte SECTION_1 = 0x0A;
-        // 172.16.x.x/12
-        final byte SECTION_2 = (byte) 0xAC;
-        final byte SECTION_3 = (byte) 0x10;
-        final byte SECTION_4 = (byte) 0x1F;
-        // 192.168.x.x/16
-        final byte SECTION_5 = (byte) 0xC0;
-        final byte SECTION_6 = (byte) 0xA8;
-        switch (b0)
-        {
-            case SECTION_1:
-                return true;
-            case SECTION_2:
-                if (b1 >= SECTION_3 && b1 <= SECTION_4)
-                {
-                    return true;
-                }
-            case SECTION_5:
-                switch (b1)
-                {
-                    case SECTION_6:
-                        return true;
-                }
-            default:
-                return false;
-        }
-    }
-
-    /**
-     * 灏咺Pv4鍦板潃杞崲鎴愬瓧鑺�
-     * 
-     * @param text IPv4鍦板潃
-     * @return byte 瀛楄妭
-     */
-    public static byte[] textToNumericFormatV4(String text)
-    {
-        if (text.length() == 0)
-        {
-            return null;
-        }
-
-        byte[] bytes = new byte[4];
-        String[] elements = text.split("\\.", -1);
-        try
-        {
-            long l;
-            int i;
-            switch (elements.length)
-            {
-                case 1:
-                    l = Long.parseLong(elements[0]);
-                    if ((l < 0L) || (l > 4294967295L)) {
-                        return null;
-                    }
-                    bytes[0] = (byte) (int) (l >> 24 & 0xFF);
-                    bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);
-                    bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
-                    bytes[3] = (byte) (int) (l & 0xFF);
-                    break;
-                case 2:
-                    l = Integer.parseInt(elements[0]);
-                    if ((l < 0L) || (l > 255L)) {
-                        return null;
-                    }
-                    bytes[0] = (byte) (int) (l & 0xFF);
-                    l = Integer.parseInt(elements[1]);
-                    if ((l < 0L) || (l > 16777215L)) {
-                        return null;
-                    }
-                    bytes[1] = (byte) (int) (l >> 16 & 0xFF);
-                    bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
-                    bytes[3] = (byte) (int) (l & 0xFF);
-                    break;
-                case 3:
-                    for (i = 0; i < 2; ++i)
-                    {
-                        l = Integer.parseInt(elements[i]);
-                        if ((l < 0L) || (l > 255L)) {
-                            return null;
-                        }
-                        bytes[i] = (byte) (int) (l & 0xFF);
-                    }
-                    l = Integer.parseInt(elements[2]);
-                    if ((l < 0L) || (l > 65535L)) {
-                        return null;
-                    }
-                    bytes[2] = (byte) (int) (l >> 8 & 0xFF);
-                    bytes[3] = (byte) (int) (l & 0xFF);
-                    break;
-                case 4:
-                    for (i = 0; i < 4; ++i)
-                    {
-                        l = Integer.parseInt(elements[i]);
-                        if ((l < 0L) || (l > 255L)) {
-                            return null;
-                        }
-                        bytes[i] = (byte) (int) (l & 0xFF);
-                    }
-                    break;
-                default:
-                    return null;
-            }
-        }
-        catch (NumberFormatException e)
-        {
-            return null;
-        }
-        return bytes;
-    }
-
-    public static String getHostIp()
-    {
-        try
-        {
-            return InetAddress.getLocalHost().getHostAddress();
-        }
-        catch (UnknownHostException e)
-        {
-        }
-        return "127.0.0.1";
-    }
-
-    public static String getHostName()
-    {
-        try
-        {
-            return InetAddress.getLocalHost().getHostName();
-        }
-        catch (UnknownHostException e)
-        {
-        }
-        return "鏈煡";
-    }
+package com.ruoyi.common.utils.ip;
+
+import cn.hutool.core.lang.Validator;
+import cn.hutool.http.HtmlUtil;
+
+import javax.servlet.http.HttpServletRequest;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+/**
+ * 鑾峰彇IP鏂规硶
+ * 
+ * @author ruoyi
+ */
+public class IpUtils
+{
+    public static String getIpAddr(HttpServletRequest request)
+    {
+        if (request == null)
+        {
+            return "unknown";
+        }
+        String ip = request.getHeader("x-forwarded-for");
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
+        {
+            ip = request.getHeader("Proxy-Client-IP");
+        }
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
+        {
+            ip = request.getHeader("X-Forwarded-For");
+        }
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
+        {
+            ip = request.getHeader("WL-Proxy-Client-IP");
+        }
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
+        {
+            ip = request.getHeader("X-Real-IP");
+        }
+
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
+        {
+            ip = request.getRemoteAddr();
+        }
+        return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : HtmlUtil.cleanHtmlTag(ip);
+    }
+
+    public static boolean internalIp(String ip)
+    {
+        byte[] addr = textToNumericFormatV4(ip);
+        return internalIp(addr) || "127.0.0.1".equals(ip);
+    }
+
+    private static boolean internalIp(byte[] addr)
+    {
+        if (Validator.isNull(addr) || addr.length < 2)
+        {
+            return true;
+        }
+        final byte b0 = addr[0];
+        final byte b1 = addr[1];
+        // 10.x.x.x/8
+        final byte SECTION_1 = 0x0A;
+        // 172.16.x.x/12
+        final byte SECTION_2 = (byte) 0xAC;
+        final byte SECTION_3 = (byte) 0x10;
+        final byte SECTION_4 = (byte) 0x1F;
+        // 192.168.x.x/16
+        final byte SECTION_5 = (byte) 0xC0;
+        final byte SECTION_6 = (byte) 0xA8;
+        switch (b0)
+        {
+            case SECTION_1:
+                return true;
+            case SECTION_2:
+                if (b1 >= SECTION_3 && b1 <= SECTION_4)
+                {
+                    return true;
+                }
+            case SECTION_5:
+                switch (b1)
+                {
+                    case SECTION_6:
+                        return true;
+                }
+            default:
+                return false;
+        }
+    }
+
+    /**
+     * 灏咺Pv4鍦板潃杞崲鎴愬瓧鑺�
+     * 
+     * @param text IPv4鍦板潃
+     * @return byte 瀛楄妭
+     */
+    public static byte[] textToNumericFormatV4(String text)
+    {
+        if (text.length() == 0)
+        {
+            return null;
+        }
+
+        byte[] bytes = new byte[4];
+        String[] elements = text.split("\\.", -1);
+        try
+        {
+            long l;
+            int i;
+            switch (elements.length)
+            {
+                case 1:
+                    l = Long.parseLong(elements[0]);
+                    if ((l < 0L) || (l > 4294967295L)) {
+                        return null;
+                    }
+                    bytes[0] = (byte) (int) (l >> 24 & 0xFF);
+                    bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);
+                    bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
+                    bytes[3] = (byte) (int) (l & 0xFF);
+                    break;
+                case 2:
+                    l = Integer.parseInt(elements[0]);
+                    if ((l < 0L) || (l > 255L)) {
+                        return null;
+                    }
+                    bytes[0] = (byte) (int) (l & 0xFF);
+                    l = Integer.parseInt(elements[1]);
+                    if ((l < 0L) || (l > 16777215L)) {
+                        return null;
+                    }
+                    bytes[1] = (byte) (int) (l >> 16 & 0xFF);
+                    bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
+                    bytes[3] = (byte) (int) (l & 0xFF);
+                    break;
+                case 3:
+                    for (i = 0; i < 2; ++i)
+                    {
+                        l = Integer.parseInt(elements[i]);
+                        if ((l < 0L) || (l > 255L)) {
+                            return null;
+                        }
+                        bytes[i] = (byte) (int) (l & 0xFF);
+                    }
+                    l = Integer.parseInt(elements[2]);
+                    if ((l < 0L) || (l > 65535L)) {
+                        return null;
+                    }
+                    bytes[2] = (byte) (int) (l >> 8 & 0xFF);
+                    bytes[3] = (byte) (int) (l & 0xFF);
+                    break;
+                case 4:
+                    for (i = 0; i < 4; ++i)
+                    {
+                        l = Integer.parseInt(elements[i]);
+                        if ((l < 0L) || (l > 255L)) {
+                            return null;
+                        }
+                        bytes[i] = (byte) (int) (l & 0xFF);
+                    }
+                    break;
+                default:
+                    return null;
+            }
+        }
+        catch (NumberFormatException e)
+        {
+            return null;
+        }
+        return bytes;
+    }
+
+    public static String getHostIp()
+    {
+        try
+        {
+            return InetAddress.getLocalHost().getHostAddress();
+        }
+        catch (UnknownHostException e)
+        {
+        }
+        return "127.0.0.1";
+    }
+
+    public static String getHostName()
+    {
+        try
+        {
+            return InetAddress.getLocalHost().getHostName();
+        }
+        catch (UnknownHostException e)
+        {
+        }
+        return "鏈煡";
+    }
 }
\ No newline at end of file

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