fix 500 when no state is passed in to discord redirect function

files/routes/discord.py

@@ -23,17 +23,18 @@ def join_discord(v):
 @app.get("/discord_redirect")
 @auth_required
 def discord_redirect(v):
-
-
 	now = int(time.time())
-	state=request.values.get('state','').split('.')
-
+	state = request.values.get('state')
+	if not state or not '.' in state: abort(400)
+	state = state.split('.')
 	timestamp= state[0]
-
 	state= state[1]
 
+	try:
 		if int(timestamp) < now-600:
 			abort(400)
+	except:
+		abort(400)
 
 	if not validate_hash(f"{timestamp}+{v.id}+discord", state):
 		abort(400)