From 9d7e32fb073842eb9d346878b49ce5bacfa3b51c Mon Sep 17 00:00:00 2001 From: RuoYi <yzz_ivy@163.com> Date: 星期六, 25 六月 2022 09:39:39 +0800 Subject: [PATCH] 新增缓存列表菜单功能 --- 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..5243849 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 (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