From 4f02f3c6f7213aa39ca5c5e8afd7948033bedb36 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期五, 17 三月 2023 14:13:39 +0800
Subject: [PATCH] 支持自定义隐藏属性列过滤子对象(I6GKPE)

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java |   24 ++++++++++++++++++++++++
 1 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java
index ceff841..40a800d 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java
@@ -11,6 +11,11 @@
 public class SqlUtil
 {
     /**
+     * 定义常用的 sql关键字
+     */
+    public static String SQL_REGEX = "and |extractvalue|updatexml|exec |insert |select |delete |update |drop |count |chr |mid |master |truncate |char |declare |or |+|user()";
+
+    /**
      * 仅支持字母、数字、下划线、空格、逗号、小数点(支持多个字段排序)
      */
     public static String SQL_PATTERN = "[a-zA-Z0-9_\\ \\,\\.]+";
@@ -34,4 +39,23 @@
     {
         return value.matches(SQL_PATTERN);
     }
+
+    /**
+     * SQL关键字检查
+     */
+    public static void filterKeyword(String value)
+    {
+        if (StringUtils.isEmpty(value))
+        {
+            return;
+        }
+        String[] sqlKeywords = StringUtils.split(SQL_REGEX, "\\|");
+        for (String sqlKeyword : sqlKeywords)
+        {
+            if (StringUtils.indexOfIgnoreCase(value, sqlKeyword) > -1)
+            {
+                throw new UtilException("参数存在SQL注入风险");
+            }
+        }
+    }
 }

--
Gitblit v1.9.2