Rinjae
47 lines
1.4 KiB
Java
47 lines
1.4 KiB
Java
package com.eactive.eai.util;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class IpUtil {
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/**
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* matchIps에 ip 목록을 컴마(,)구분자로 나열 하고 requestIp와 맞는지 비교
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*
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* @param matchIps 컴마구분자 matchIp 목록 예제) 192.168.0.1,192.168.0.0/24,192.168.1.*
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* @param requestIp 원격IP
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* @return
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*/
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public static boolean isMatchIp(String matchIps, String requestIp) {
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String[] matchIpArr = org.springframework.util.StringUtils.tokenizeToStringArray(matchIps, ",");
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for (String match : matchIpArr) {
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if (match.indexOf('*') >= 0) {
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String matchRegexp = match.replace("\\*", "[0-9]+").trim();
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Matcher matcher = Pattern.compile(matchRegexp, Pattern.CASE_INSENSITIVE).matcher(requestIp);
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if (matcher.matches()) {
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return true;
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}
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} else if (match.indexOf('/') >= 0) { // CIDR 표기법 "192.168.0.0/24"
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org.apache.commons.net.util.SubnetUtils utils = new org.apache.commons.net.util.SubnetUtils(match);
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if (utils.getInfo().isInRange(requestIp)) {
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return true;
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}
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} else {
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if (match.equals(requestIp)) {
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return true;
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}
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}
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}
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return false;
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}
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public static void main(String[] args) throws Exception {
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String matchdIps = "192.168.0.1,192.168.0.0/24,192.168.1.*";
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String requestIp = "192.168.1.2";
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if (IpUtil.isMatchIp(matchdIps, requestIp)) {
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System.out.println(true);
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} else {
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System.out.println(false);
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}
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}
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} |