From 5ada03ddcecef1ff8e640df538fdd725ea113c2d Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期二, 13 十二月 2022 19:25:58 +0800
Subject: [PATCH] 优化代码
---
src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java | 31 ++++++++++++++++++++++++++++---
1 files changed, 28 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..40a800d 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 +11,14 @@
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|exec |insert |select |delete |update |drop |count |chr |mid |master |truncate |char |declare |or |+|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_\\ \\,\\.]+";
/**
* 妫�鏌ュ瓧绗︼紝闃叉娉ㄥ叆缁曡繃
@@ -21,7 +27,7 @@
{
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");
}
return value;
}
@@ -33,4 +39,23 @@
{
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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