From 9b4464359e000465be5d4106a9686a2c1920a648 Mon Sep 17 00:00:00 2001
From: akelad <akela@rasa.ai>
Date: Mon, 6 Nov 2017 18:39:29 +0100
Subject: [PATCH] Added logging for invalid tokens

---
 rasa_core/channels/facebook.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rasa_core/channels/facebook.py b/rasa_core/channels/facebook.py
index 11c0349bdac..300209166f0 100644
--- a/rasa_core/channels/facebook.py
+++ b/rasa_core/channels/facebook.py
@@ -88,12 +88,14 @@ def hello():
                 if request.args.get("hub.verify_token") == self.fb_verify:
                     return request.args.get("hub.challenge")
                 else:
+                    logger.debug("Failure, invalid token")
                     return "failure, invalid token"
             if request.method == 'POST':
 
                 signature = request.headers.get("X-Hub-Signature") or ''
                 if not validate_hub_signature(self.fb_secret, request.data,
                                               signature):
+                    logger.debug("Fb secret not validated")
                     return "not validated"
 
                 output = request.json