From ad86486285cb865f124e5c83cdaf8fa8edc65408 Mon Sep 17 00:00:00 2001 From: RuoYi <yzz_ivy@163.com> Date: 星期五, 30 八月 2024 21:45:16 +0800 Subject: [PATCH] update sqlkeyword --- ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java | 11 ++++++++++- 1 files changed, 10 insertions(+), 1 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 40a800d..e345cb4 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 @@ -13,12 +13,17 @@ /** * 定义常用的 sql关键字 */ - public static String SQL_REGEX = "and |extractvalue|updatexml|exec |insert |select |delete |update |drop |count |chr |mid |master |truncate |char |declare |or |+|user()"; + 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()"; /** * 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_\\ \\,\\.]+"; + + /** + * 限制orderBy最大长度 + */ + private static final int ORDER_BY_MAX_LENGTH = 500; /** * 检查字符,防止注入绕过 @@ -29,6 +34,10 @@ { throw new UtilException("参数不符合规范,不能进行查询"); } + if (StringUtils.length(value) > ORDER_BY_MAX_LENGTH) + { + throw new UtilException("参数已超过最大限制,不能进行查询"); + } return value; } -- Gitblit v1.9.2