From d14cf22f33e0de7c5c63f214e07a6c9cbefb3e90 Mon Sep 17 00:00:00 2001
From: Paulus Schoutsen <balloob@gmail.com>
Date: Mon, 24 Sep 2018 20:18:49 +0200
Subject: [PATCH] Make body optional

---
 homeassistant/components/webhook.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/webhook.py b/homeassistant/components/webhook.py
index 5ae20230d..990fdaca9 100644
--- a/homeassistant/components/webhook.py
+++ b/homeassistant/components/webhook.py
@@ -3,6 +3,7 @@
 For more details about this component, please refer to the documentation at
 https://home-assistant.io/components/webhook/
 """
+import json
 import logging
 
 from aiohttp.web import Response
@@ -75,8 +76,9 @@ class WebhookView(HomeAssistantView):
                 'Received message for unregistered webhook %s', webhook_id)
             return Response(status=200)
 
+        body = await request.text()
         try:
-            data = await request.json()
+            data = json.load(body) if body else {}
         except ValueError:
             _LOGGER.warning(
                 'Received webhook %s with invalid JSON', webhook_id)