From f30fca6e2c9dacb2e13262b06928a16b75b8dd00 Mon Sep 17 00:00:00 2001
From: ray-1337 <33544674+ray-1337@users.noreply.github.com>
Date: Mon, 11 Apr 2022 21:12:44 +0200
Subject: [PATCH] added check ip address method

---
 src/Util.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/Util.js b/src/Util.js
index 44dbd41..e683286 100644
--- a/src/Util.js
+++ b/src/Util.js
@@ -88,6 +88,20 @@ module.exports.checkAppropriatePort = function(port) {
   return true;
 };
 
+module.exports.checkAppropriateIP = function(address) {
+  if (typeof address !== "string") {
+    throw new Error("The address must be type of number.");
+  };
+
+  // https://stackoverflow.com/a/5284410
+  let regex = new RegExp(/\b((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|$)){4}\b/gi);
+  if (!address.match(regex)) {
+    throw new Error(`The IP address is not matched with ${regex.toString()} regular expressions.`);
+  };
+
+  return true;
+};
+
 // soon to be continued
 // module.exports.checkPlatformVersion = function () {
 //   let distroInfo = this.getDistroInfo();