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@ -10,6 +10,11 @@ import com.ruoyi.common.utils.StringUtils;
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*/
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public class SqlUtil
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{
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/**
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* 定义常用的 sql关键字
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*/
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public static String SQL_REGEX = "select |insert |delete |update |drop |count |exec |chr |mid |master |truncate |char |and |declare ";
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/**
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* 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)
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*/
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@ -34,4 +39,23 @@ public class SqlUtil
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{
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return value.matches(SQL_PATTERN);
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}
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/**
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* SQL关键字检查
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*/
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public static void filterKeyword(String value)
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{
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if (StringUtils.isEmpty(value))
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{
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return;
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}
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String[] sqlKeywords = StringUtils.split(SQL_REGEX, "\\|");
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for (int i = 0; i < sqlKeywords.length; i++)
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{
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if (StringUtils.indexOfIgnoreCase(value, sqlKeywords[i]) > -1)
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{
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throw new UtilException("参数存在SQL注入风险");
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}
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}
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}
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}
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