From 4590faec68aeec90634e75fe7b689b2cedecd6b7 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期五, 30 八月 2024 21:45:27 +0800
Subject: [PATCH] update sqlkeyword
---
src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java | 40 +++++++++++++++++++++++++++++++++++++---
1 files changed, 37 insertions(+), 3 deletions(-)
diff --git a/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java b/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java
index b8aeaa1..e345cb4 100644
--- a/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java
+++ b/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java
@@ -1,5 +1,6 @@
package com.ruoyi.common.utils.sql;
+import com.ruoyi.common.exception.UtilException;
import com.ruoyi.common.utils.StringUtils;
/**
@@ -10,9 +11,19 @@
public class SqlUtil
{
/**
- * 浠呮敮鎸佸瓧姣嶃�佹暟瀛椼�佷笅鍒掔嚎銆佺┖鏍笺�侀�楀彿锛堟敮鎸佸涓瓧娈垫帓搴忥級
+ * 瀹氫箟甯哥敤鐨� sql鍏抽敭瀛�
*/
- public static String SQL_PATTERN = "[a-zA-Z0-9_\\ \\,]+";
+ public static String SQL_REGEX = "and |extractvalue|updatexml|sleep|exec |insert |select |delete |update |drop |count |chr |mid |master |truncate |char |declare |or |union |like |+|/*|user()";
+
+ /**
+ * 浠呮敮鎸佸瓧姣嶃�佹暟瀛椼�佷笅鍒掔嚎銆佺┖鏍笺�侀�楀彿銆佸皬鏁扮偣锛堟敮鎸佸涓瓧娈垫帓搴忥級
+ */
+ public static String SQL_PATTERN = "[a-zA-Z0-9_\\ \\,\\.]+";
+
+ /**
+ * 闄愬埗orderBy鏈�澶ч暱搴�
+ */
+ private static final int ORDER_BY_MAX_LENGTH = 500;
/**
* 妫�鏌ュ瓧绗︼紝闃叉娉ㄥ叆缁曡繃
@@ -21,7 +32,11 @@
{
if (StringUtils.isNotEmpty(value) && !isValidOrderBySql(value))
{
- return StringUtils.EMPTY;
+ throw new UtilException("鍙傛暟涓嶇鍚堣鑼冿紝涓嶈兘杩涜鏌ヨ");
+ }
+ if (StringUtils.length(value) > ORDER_BY_MAX_LENGTH)
+ {
+ throw new UtilException("鍙傛暟宸茶秴杩囨渶澶ч檺鍒讹紝涓嶈兘杩涜鏌ヨ");
}
return value;
}
@@ -33,4 +48,23 @@
{
return value.matches(SQL_PATTERN);
}
+
+ /**
+ * SQL鍏抽敭瀛楁鏌�
+ */
+ 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("鍙傛暟瀛樺湪SQL娉ㄥ叆椋庨櫓");
+ }
+ }
+ }
}
--
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