From ac9345b47a7c963850369e0a8ad63ed6aaba0795 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Fri, 17 Oct 2014 21:00:58 +0100
Subject: [PATCH] Check that we have auth headers and fail nicely

---
 synapse/federation/transport.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/synapse/federation/transport.py b/synapse/federation/transport.py
index 81529baee6..e7517cac4d 100644
--- a/synapse/federation/transport.py
+++ b/synapse/federation/transport.py
@@ -238,6 +238,11 @@ class TransportLayer(object):
 
         auth_headers = request.requestHeaders.getRawHeaders(b"Authorization")
 
+        if not auth_headers:
+            raise SynapseError(
+                401, "Missing Authorization headers", Codes.UNAUTHORIZED,
+            )
+
         for auth in auth_headers:
             if auth.startswith("X-Matrix"):
                 (origin, key, sig) = parse_auth_header(auth)