From f63a76f661e852d3b2f6cb3c5ee02d07c49e9fa9 Mon Sep 17 00:00:00 2001
From: abbfun <819589789@qq.com>
Date: Sat, 23 Apr 2022 22:36:48 +0800
Subject: [PATCH] spring-cloud.version 2021.0.1 官方推荐对应 spring-cloud-alibaba 2021.0.1.0 spring-cloud.version 2021.0.1 对应 spring-cloud-alibaba 2021.0.1.0， 官方说明 https://github.com/alibaba/spring-cloud-alibaba/wiki/%E7%89%88%E6%9C%AC%E8%AF%B4%E6%98%8E#%E6%AF%95%E4%B8%9A%E7%89%88%E6%9C%AC%E4%BE%9D%E8%B5%96%E5%85%B3%E7%B3%BB%E6%8E%A8%E8%8D%90%E4%BD%BF%E7%94%A8
---
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/sql/SqlUtil.java | 31 ++++++++++++++++++++++++++++---
1 files changed, 28 insertions(+), 3 deletions(-)
diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/sql/SqlUtil.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/sql/SqlUtil.java
index 25f842e..7e095d9 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/sql/SqlUtil.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/sql/SqlUtil.java
@@ -1,5 +1,6 @@
package com.ruoyi.common.core.utils.sql;
+import com.ruoyi.common.core.exception.UtilException;
import com.ruoyi.common.core.utils.StringUtils;
/**
@@ -10,9 +11,14 @@
public class SqlUtil
{
/**
- * 仅支持字母、数字、下划线、空格、逗号（支持多个字段排序）
+ * 定义常用的 sql关键字
*/
- public static String SQL_PATTERN = "[a-zA-Z0-9_\\ \\,]+";
+ 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）
+ */
+ public static String SQL_PATTERN = "[a-zA-Z0-9_\\ \\,\\.]+";
/**
* 检查字符，防止注入绕过
@@ -21,7 +27,7 @@
{
if (StringUtils.isNotEmpty(value) && !isValidOrderBySql(value))
{
- return StringUtils.EMPTY;
+ throw new UtilException("参数不符合规范，不能进行查询");
}
return value;
}
@@ -33,4 +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 v1.9.3