diff options
| -rw-r--r-- | django/middleware/common.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/django/middleware/common.py b/django/middleware/common.py index a18fbe7b47..7e75e81303 100644 --- a/django/middleware/common.py +++ b/django/middleware/common.py @@ -38,9 +38,10 @@ class CommonMiddleware(MiddlewareMixin): """ # Check for denied User-Agents - if 'HTTP_USER_AGENT' in request.META: + user_agent = request.META.get('HTTP_USER_AGENT') + if user_agent is not None: for user_agent_regex in settings.DISALLOWED_USER_AGENTS: - if user_agent_regex.search(request.META['HTTP_USER_AGENT']): + if user_agent_regex.search(user_agent): raise PermissionDenied('Forbidden user agent') # Check for a redirect based on settings.PREPEND_WWW |