| 提交 | 用户 | 时间 | ||
| a6de49 | 1 | package com.iailab.module.data.common.xss; |
| H | 2 | |
| 3 | import com.iailab.module.data.common.exception.RRException; | |
| 4 | import org.apache.commons.lang3.StringUtils; | |
| 5 | ||
| 6 | /** | |
| 7 | * SQL过滤 | |
| 8 | * | |
| 9 | * @author Mark sunlightcs@gmail.com | |
| 10 | */ | |
| 11 | public class SQLFilter { | |
| 12 | ||
| 13 | /** | |
| 14 | * SQL注入过滤 | |
| 15 | * @param str 待验证的字符串 | |
| 16 | */ | |
| 17 | public static String sqlInject(String str){ | |
| 18 | if(StringUtils.isBlank(str)){ | |
| 19 | return null; | |
| 20 | } | |
| 21 | //去掉'|"|;|\字符 | |
| 22 | str = StringUtils.replace(str, "'", ""); | |
| 23 | str = StringUtils.replace(str, "\"", ""); | |
| 24 | str = StringUtils.replace(str, ";", ""); | |
| 25 | str = StringUtils.replace(str, "\\", ""); | |
| 26 | ||
| 27 | //转换成小写 | |
| 28 | str = str.toLowerCase(); | |
| 29 | ||
| 30 | //非法字符 | |
| 31 | String[] keywords = {"master", "truncate", "insert", "select", "delete", "update", "declare", "alter", "drop"}; | |
| 32 | ||
| 33 | //判断是否包含非法字符 | |
| 34 | for(String keyword : keywords){ | |
| 35 | if(str.indexOf(keyword) != -1){ | |
| 36 | throw new RRException("包含非法字符"); | |
| 37 | } | |
| 38 | } | |
| 39 | ||
| 40 | return str; | |
| 41 | } | |
| 42 | } | |
