From 74f991b8c5c0e51ceccf4a0efb8cac0925dd6168 Mon Sep 17 00:00:00 2001
From: 若依 <yzz_ivy@163.com>
Date: 星期二, 18 一月 2022 11:20:23 +0800
Subject: [PATCH] !414 优化任务队列满时任务拒绝策略 Merge pull request !414 from root/master
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java | 28 ++++++++++++++++++++++++++--
1 files changed, 26 insertions(+), 2 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 39e88ef..71a7ae1 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
@@ -1,6 +1,6 @@
package com.ruoyi.common.utils.sql;
-import com.ruoyi.common.exception.BaseException;
+import com.ruoyi.common.exception.UtilException;
import com.ruoyi.common.utils.StringUtils;
/**
@@ -10,6 +10,11 @@
*/
public class SqlUtil
{
+ /**
+ * 定义常用的 sql关键字
+ */
+ public static String SQL_REGEX = "select |insert |delete |update |drop |count |exec |chr |mid |master |truncate |char |and |declare ";
+
/**
* 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）
*/
@@ -22,7 +27,7 @@
{
if (StringUtils.isNotEmpty(value) && !isValidOrderBySql(value))
{
- throw new BaseException("参数不符合规范，不能进行查询");
+ throw new UtilException("参数不符合规范，不能进行查询");
}
return value;
}
@@ -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 (int i = 0; i < sqlKeywords.length; i++)
+ {
+ if (StringUtils.indexOfIgnoreCase(value, sqlKeywords[i]) > -1)
+ {
+ throw new UtilException("参数存在SQL注入风险");
+ }
+ }
+ }
}
--
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