From e6a44bcb0e6a3c154c55f222ae4d0d34ecabebfd Mon Sep 17 00:00:00 2001
From: David Carlin <david.carlin@cultureamp.com>
Date: Mon, 11 May 2020 08:30:23 +1000
Subject: [PATCH] Validate next parameter to ensure it's a function

---
 lib/middleware/authenticate.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/middleware/authenticate.js b/lib/middleware/authenticate.js
index dc70cfc2..6682b1da 100644
--- a/lib/middleware/authenticate.js
+++ b/lib/middleware/authenticate.js
@@ -92,6 +92,9 @@ module.exports = function authenticate(passport, name, options, callback) {
   }
   
   return function authenticate(req, res, next) {
+    if (typeof next !== 'function') {
+      throw 'TypeError: next is not a function. authenticate function requires (req, res, next)';
+    }
     if (http.IncomingMessage.prototype.logIn
         && http.IncomingMessage.prototype.logIn !== IncomingMessageExt.logIn) {
       require('../framework/connect').__monkeypatchNode();