refactor(curd): 重构排序字段处理,预防 SQL 注入问题

This commit is contained in:
2024-08-13 20:36:10 +08:00
parent 4786af5104
commit ea6b316296
13 changed files with 273 additions and 231 deletions

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@@ -18,5 +18,10 @@
<groupId>cn.hutool</groupId>
<artifactId>hutool-db</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-commons</artifactId>
</dependency>
</dependencies>
</project>

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@@ -0,0 +1,53 @@
/*
* Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
* <p>
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.gnu.org/licenses/lgpl.html
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package top.continew.starter.data.core.util;
import java.util.Objects;
import java.util.regex.Pattern;
/**
* SQL 注入验证工具类
*
* @author hubin
* @since 2.5.2
*/
public class SqlInjectionUtils {
/**
* SQL语法检查正则符合两个关键字有先后顺序才算匹配
*/
private static final Pattern SQL_SYNTAX_PATTERN = Pattern
.compile("(insert|delete|update|select|create|drop|truncate|grant|alter|deny|revoke|call|execute|exec|declare|show|rename|set)" + "\\s+.*(into|from|set|where|table|database|view|index|on|cursor|procedure|trigger|for|password|union|and|or)|(select\\s*\\*\\s*from\\s+)|(and|or)\\s+.*", Pattern.CASE_INSENSITIVE);
/**
* 使用'、;或注释截断SQL检查正则
*/
private static final Pattern SQL_COMMENT_PATTERN = Pattern
.compile("'.*(or|union|--|#|/\\*|;)", Pattern.CASE_INSENSITIVE);
/**
* 检查参数是否存在 SQL 注入
*
* @param value 检查参数
* @return true非法false合法
*/
public static boolean check(String value) {
Objects.requireNonNull(value);
// 处理是否包含 SQL 注释字符 || 检查是否包含 SQ L注入敏感字符
return SQL_COMMENT_PATTERN.matcher(value).find() || SQL_SYNTAX_PATTERN.matcher(value).find();
}
}

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@@ -14,21 +14,23 @@
* limitations under the License.
*/
package top.continew.starter.data.mybatis.flex.query;
package top.continew.starter.data.mybatis.flex.util;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.text.CharSequenceUtil;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.ObjectUtil;
import com.mybatisflex.core.query.QueryWrapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.text.CharSequenceUtil;
import org.springframework.data.domain.Sort;
import top.continew.starter.core.exception.BadRequestException;
import top.continew.starter.core.util.ReflectUtils;
import top.continew.starter.core.util.validate.ValidationUtils;
import top.continew.starter.data.core.annotation.Query;
import top.continew.starter.data.core.annotation.QueryIgnore;
import top.continew.starter.data.core.enums.QueryType;
import top.continew.starter.data.core.util.SqlInjectionUtils;
import java.lang.reflect.Field;
import java.util.ArrayList;
@@ -56,10 +58,9 @@ public class QueryWrapperHelper {
*
* @param query 查询条件
* @param <Q> 查询条件数据类型
* @param <R> 查询数据类型
* @return QueryWrapper
*/
public static <Q, R> QueryWrapper build(Q query) {
public static <Q> QueryWrapper build(Q query) {
QueryWrapper queryWrapper = QueryWrapper.create();
// 没有查询条件直接返回
if (null == query) {
@@ -70,6 +71,34 @@ public class QueryWrapperHelper {
return build(query, fieldList, queryWrapper);
}
/**
* 构建 QueryWrapper
*
* @param query 查询条件
* @param sort 排序条件
* @param <Q> 查询条件数据类型
* @return QueryWrapper
* @since 2.5.2
*/
public static <Q> QueryWrapper build(Q query, Sort sort) {
QueryWrapper queryWrapper = QueryWrapper.create();
// 没有查询条件直接返回
if (null == query) {
return queryWrapper;
}
// 设置排序条件
if (sort != null && sort.isSorted()) {
for (Sort.Order order : sort) {
String field = CharSequenceUtil.toUnderlineCase(order.getProperty());
ValidationUtils.throwIf(SqlInjectionUtils.check(field), "排序字段包含非法字符");
queryWrapper.orderBy(field, order.isAscending());
}
}
// 获取查询条件中所有的字段
List<Field> fieldList = ReflectUtils.getNonStaticFields(query.getClass());
return build(query, fieldList, queryWrapper);
}
/**
* 构建 QueryWrapper
*

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@@ -14,7 +14,7 @@
* limitations under the License.
*/
package top.continew.starter.data.mybatis.plus.query;
package top.continew.starter.data.mybatis.plus.util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -23,18 +23,17 @@ import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.text.CharSequenceUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import org.springframework.data.domain.Sort;
import top.continew.starter.core.exception.BadRequestException;
import top.continew.starter.core.util.ReflectUtils;
import top.continew.starter.core.util.validate.ValidationUtils;
import top.continew.starter.data.core.annotation.Query;
import top.continew.starter.data.core.annotation.QueryIgnore;
import top.continew.starter.data.core.enums.QueryType;
import top.continew.starter.data.core.util.SqlInjectionUtils;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.*;
import java.util.function.Consumer;
/**
@@ -60,11 +59,33 @@ public class QueryWrapperHelper {
* @return QueryWrapper
*/
public static <Q, R> QueryWrapper<R> build(Q query) {
return build(query, Sort.unsorted());
}
/**
* 构建 QueryWrapper
*
* @param query 查询条件
* @param sort 排序条件
* @param <Q> 查询条件数据类型
* @param <R> 查询数据类型
* @return QueryWrapper
* @since 2.5.2
*/
public static <Q, R> QueryWrapper<R> build(Q query, Sort sort) {
QueryWrapper<R> queryWrapper = new QueryWrapper<>();
// 没有查询条件直接返回
if (null == query) {
return queryWrapper;
}
// 设置排序条件
if (sort != null && sort.isSorted()) {
for (Sort.Order order : sort) {
String field = CharSequenceUtil.toUnderlineCase(order.getProperty());
ValidationUtils.throwIf(SqlInjectionUtils.check(field), "排序字段包含非法字符");
queryWrapper.orderBy(true, order.isAscending(), field);
}
}
// 获取查询条件中所有的字段
List<Field> fieldList = ReflectUtils.getNonStaticFields(query.getClass());
return build(query, fieldList, queryWrapper);