From 82d0ef040c9dadc9c18dbc9f866c8ac777a8a681 Mon Sep 17 00:00:00 2001
From: Quan HL <quan.luuhoang8@gmail.com>
Date: Thu, 20 Feb 2025 20:09:09 +0700
Subject: [PATCH] fix return Error if invite challenge without authenticate
 header

---
 lib/digest-client.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/digest-client.js b/lib/digest-client.js
index 062420a..a73505b 100644
--- a/lib/digest-client.js
+++ b/lib/digest-client.js
@@ -39,6 +39,9 @@ module.exports = class DigestClient {
       }
 
       const header = this.res.statusCode === 407 ? 'proxy-authenticate' : 'www-authenticate' ;
+      if (!this.res.has(header)) {
+        return callback(new Error(`missing ${header} in ${this.res.statusCode} response`));
+      }
       const challenge = this._parseChallenge(this.res.get(header));
 
       const ha1 = crypto.createHash('md5');