From 16d8b71e21dc7298b30f46bf264cd9b3589a6978 Mon Sep 17 00:00:00 2001
From: who's hu <hup_dev@outlook.com>
Date: 星期二, 22 八月 2023 17:25:19 +0800
Subject: [PATCH] update ruoyi-ui/src/permission.js. 由于重定向url存在 http://xxx.xx.xxx/{id}?param={a}&name={b} 的场景, 当未登录访问时, 通过改js封装登录后重定向参数, 会丢失?后的query params 如: 访问 http://localhost:1024/core/doc/doc?id=1683734914907807745&version=31 期望 http://localhost:1024/login?redirect=%2Fcore%2Fdoc%2Fdoc%3Fid%3D1683734914907807745%26version%3D31 实际通过 to.fullPath 封装后 获得 http://localhost:1024/login?redirect=%2Fcore%2Fdoc%2Fdoc%3Fid%3D1683734914907807745&version=31

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/html/EscapeUtil.java |   41 ++++++++++++++++++++++++++++-------------
 1 files changed, 28 insertions(+), 13 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/html/EscapeUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/html/EscapeUtil.java
index 8989ca1..dda96c3 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/html/EscapeUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/html/EscapeUtil.java
@@ -22,7 +22,7 @@
 
         // special HTML characters
         TEXT['\''] = "&#039;".toCharArray(); // 单引号
-        TEXT['"'] = "&#34;".toCharArray(); // 单引号
+        TEXT['"'] = "&#34;".toCharArray(); // 双引号
         TEXT['&'] = "&#38;".toCharArray(); // &符
         TEXT['<'] = "&#60;".toCharArray(); // 小于号
         TEXT['>'] = "&#62;".toCharArray(); // 大于号
@@ -69,26 +69,37 @@
      */
     private static String encode(String text)
     {
-        int len;
-        if ((text == null) || ((len = text.length()) == 0))
+        if (StringUtils.isEmpty(text))
         {
             return StringUtils.EMPTY;
         }
-        StringBuilder buffer = new StringBuilder(len + (len >> 2));
+
+        final StringBuilder tmp = new StringBuilder(text.length() * 6);
         char c;
-        for (int i = 0; i < len; i++)
+        for (int i = 0; i < text.length(); i++)
         {
             c = text.charAt(i);
-            if (c < 64)
+            if (c < 256)
             {
-                buffer.append(TEXT[c]);
+                tmp.append("%");
+                if (c < 16)
+                {
+                    tmp.append("0");
+                }
+                tmp.append(Integer.toString(c, 16));
             }
             else
             {
-                buffer.append(c);
+                tmp.append("%u");
+                if (c <= 0xfff)
+                {
+                    // issue#I49JU8@Gitee
+                    tmp.append("0");
+                }
+                tmp.append(Integer.toString(c, 16));
             }
         }
-        return buffer.toString();
+        return tmp.toString();
     }
 
     /**
@@ -144,9 +155,13 @@
 
     public static void main(String[] args)
     {
-        String html = "alert('11111');";
-        System.out.println(EscapeUtil.clean(html));
-        System.out.println(EscapeUtil.escape(html));
-        System.out.println(EscapeUtil.unescape(html));
+        String html = "<script>alert(1);</script>";
+        String escape = EscapeUtil.escape(html);
+        // String html = "<scr<script>ipt>alert(\"XSS\")</scr<script>ipt>";
+        // String html = "<123";
+        // String html = "123>";
+        System.out.println("clean: " + EscapeUtil.clean(html));
+        System.out.println("escape: " + escape);
+        System.out.println("unescape: " + EscapeUtil.unescape(escape));
     }
 }

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