37 lines
1.2 KiB
Java
37 lines
1.2 KiB
Java
package com.dite.znpt.util;
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import cn.hutool.core.exceptions.UtilException;
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import org.apache.commons.lang3.StringUtils;
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public class SqlUtil {
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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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public static String SQL_PATTERN = "[a-zA-Z0-9_ ,.]+";
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public static String escapeOrderBySql(String value) {
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if (StringUtils.isNotEmpty(value) && !isValidOrderBySql(value)) {
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throw new UtilException("参数不符合规范，不能进行查询");
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} else {
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return value;
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}
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}
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public static boolean isValidOrderBySql(String value) {
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return value.matches(SQL_PATTERN);
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}
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public static void filterKeyword(String value) {
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if (!StringUtils.isEmpty(value)) {
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String[] sqlKeywords = StringUtils.split(SQL_REGEX, "\\|");
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int var3 = sqlKeywords.length;
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for(int var4 = 0; var4 < var3; ++var4) {
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String sqlKeyword = sqlKeywords[var4];
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if (StringUtils.indexOfIgnoreCase(value, sqlKeyword) > -1) {
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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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}
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