From fdb997079236f24fa2b0d959ee36a24e513094bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sybren=20A=2E=20St=C3=BCvel?= <sybren@stuvel.eu>
Date: Wed, 3 Jan 2018 12:19:03 +0100
Subject: [PATCH] Prevent crash when session['blender_id_oauth_token'] doesn't
 exist

---
 pillar/api/blender_id.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pillar/api/blender_id.py b/pillar/api/blender_id.py
index 3e8c91ed..6291c5e2 100644
--- a/pillar/api/blender_id.py
+++ b/pillar/api/blender_id.py
@@ -217,7 +217,11 @@ def fetch_blenderid_user() -> dict:
     my_log.debug('Fetching user info from %s', bid_url)
 
     credentials = current_app.config['OAUTH_CREDENTIALS']['blender-id']
-    oauth_token = session['blender_id_oauth_token']
+    oauth_token = session.get('blender_id_oauth_token')
+    if not oauth_token:
+        my_log.warning('no Blender ID oauth token found in user session')
+        return {}
+
     assert isinstance(oauth_token, str), f'oauth token must be str, not {type(oauth_token)}'
 
     oauth_session = OAuth2Session(