From 9fed72915e313844dcace8816320f08e6609cf44 Mon Sep 17 00:00:00 2001
From: godotg <jaysunxiao@gmail.com>
Date: Mon, 15 Jan 2024 15:36:15 +0800
Subject: [PATCH] fix[net]: Empty string judgment in CIDR block

---
 net/src/main/java/com/zfoo/net/util/NetUtils.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/src/main/java/com/zfoo/net/util/NetUtils.java b/net/src/main/java/com/zfoo/net/util/NetUtils.java
index 4d6f66bc..b0ec630b 100644
--- a/net/src/main/java/com/zfoo/net/util/NetUtils.java
+++ b/net/src/main/java/com/zfoo/net/util/NetUtils.java
@@ -482,6 +482,12 @@ public class NetUtils {
      * 是否在一个ip网段下
      */
     public static boolean isInRange(String ip, String cidr) {
+        if (StringUtils.isBlank(ip)) {
+            return false;
+        }
+        if (StringUtils.isBlank(cidr)) {
+            return false;
+        }
         var ips = ip.split(StringUtils.PERIOD_REGEX);
         var ipAddr = (Integer.parseInt(ips[0]) << 24)
                 | (Integer.parseInt(ips[1]) << 16)