Convert username to lower case

authserver/authserver/api/views.py

@@ -54,7 +54,7 @@ class UserViewSet(viewsets.ReadOnlyModelViewSet):
 
 @api_view(["POST"])
 def login(request):
-    username = request.data.get("username")
+    username = request.data.get("username").lower()
     password = request.data.get("password")
     if username is None or password is None:
         return Response({'error': 'Please provide both username and password'},