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liyang
sts网站
Commits
fd3a699a
Commit
fd3a699a
authored
Dec 21, 2021
by
RuoYi
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SQL工具类新增检查关键字方法
parent
c28aa299
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SqlUtil.java
...mon/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java
+24
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ruoyi-common/src/main/java/com/ruoyi/common/utils/sql/SqlUtil.java
View file @
fd3a699a
...
...
@@ -10,6 +10,11 @@ import com.ruoyi.common.utils.StringUtils;
*/
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)
*/
...
...
@@ -34,4 +39,23 @@ public class SqlUtil
{
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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