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package com.iailab.module.data.common.xss; |
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import com.iailab.module.data.common.exception.RRException; |
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import org.apache.commons.lang3.StringUtils; |
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/** |
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* SQL过滤 |
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* |
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* @author Mark sunlightcs@gmail.com |
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*/ |
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public class SQLFilter { |
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/** |
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* SQL注入过滤 |
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* |
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* @param str 待验证的字符串 |
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*/ |
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public static String sqlInject(String str) { |
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if (StringUtils.isBlank(str)) { |
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return null; |
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} |
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//去掉'|"|;|\字符 |
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str = StringUtils.replace(str, "'", ""); |
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str = StringUtils.replace(str, "\"", ""); |
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str = StringUtils.replace(str, ";", ""); |
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str = StringUtils.replace(str, "\\", ""); |
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//转换成小写 |
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str = str.toLowerCase(); |
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//非法字符 |
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String[] keywords = {"master", "truncate", "insert", "select", "delete", "update", "declare", "alter", "drop"}; |
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//判断是否包含非法字符 |
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for (String keyword : keywords) { |
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if (str.indexOf(keyword) != -1) { |
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throw new RRException("包含非法字符"); |
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} |
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} |
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return str; |
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} |
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/** |
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* SQL注入过滤 |
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* |
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* @param orgStr 待验证的字符串 |
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*/ |
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public static String sqlInject2(String orgStr) { |
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if (StringUtils.isBlank(orgStr)) { |
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return null; |
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} |
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//转换成小写 |
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String str = new String(orgStr.toLowerCase()); |
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//非法字符 |
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String[] keywords = {";", "master", "truncate", "insert", "select", "delete", "update", "declare", "alter", "drop"}; |
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//判断是否包含非法字符 |
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for (String keyword : keywords) { |
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if (str.indexOf(keyword) != -1) { |
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throw new RRException("包含非法字符"); |
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} |
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} |
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return str; |
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} |
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} |