From aa3c9c7bd0736bca1b3626c87535192b89431583 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Fri, 21 Aug 2015 10:57:47 +0100
Subject: Don't allow people to register user ids which only differ by case to
 an existing one

---
 synapse/handlers/register.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'synapse/handlers')

diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py
index 39392d9fdd..86390a3671 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -57,8 +57,8 @@ class RegistrationHandler(BaseHandler):
 
         yield self.check_user_id_is_valid(user_id)
 
-        u = yield self.store.get_user_by_id(user_id)
-        if u:
+        users = yield self.store.get_users_by_id_case_insensitive(user_id)
+        if users:
             raise SynapseError(
                 400,
                 "User ID already taken.",
-- 
cgit 1.4.1