From 458cdf9f9b79ac5dbcd280bd791d970d891840bb Mon Sep 17 00:00:00 2001
From: Adam Stachowicz <saibamenppl@gmail.com>
Date: Sat, 6 Jan 2024 18:06:06 +0000
Subject: [PATCH] Fix `encodeBase64` for empty password or user in HTTP Basic
 Authentication (#4326)

---
 server/model/monitor.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/server/model/monitor.js b/server/model/monitor.js
index e407e5a2d..2dc77fbd3 100644
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -230,10 +230,12 @@ class Monitor extends BeanModel {
     /**
      * Encode user and password to Base64 encoding
      * for HTTP "basic" auth, as per RFC-7617
+     * @param {string|null} user - The username (nullable if not changed by a user)
+     * @param {string|null} pass - The password (nullable if not changed by a user)
      * @returns {string}
      */
     encodeBase64(user, pass) {
-        return Buffer.from(user + ":" + pass).toString("base64");
+        return Buffer.from(`${user || ""}:${pass || ""}`).toString("base64");
     }
 
     /**