From c851b15000c5e1662d6ebfddca8d4d8e5c8067cb Mon Sep 17 00:00:00 2001
From: Akinwale Ariwodola <akinwale@gmail.com>
Date: Fri, 4 May 2018 02:17:37 +0100
Subject: [PATCH] add invalid response handling for /api/comment

---
 app.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app.js b/app.js
index 47b94cb..6f0daa9 100644
--- a/app.js
+++ b/app.js
@@ -513,6 +513,10 @@ const replyMessageUsingTemplate = (template, substitutions, sourceMessageFullId,
                         return callback(e, null);
                     }
                     
+                    if (!response.json) {
+                        return callback(new Error('Invalid response.'), null);
+                    }
+                    
                     if (response.json.ratelimit > 0 ||
                         response.json.errors.length > 0) {
                         return callback(new Error('Rate limited.'), null);