Raise 404 Error at SubdomainMiddleware if the project does not exist

Author: dojutsu-user

readthedocs/core/middleware.py

@@ -69,6 +69,8 @@ def process_request(self, request):
                 # Support ports during local dev
                 public_domain in host or public_domain in full_host
             ):
+                if Project.objects.filter(slug=subdomain).exists():
+                    raise Http404(_('Project not found'))
                 request.subdomain = True
                 request.slug = subdomain
                 request.urlconf = SUBDOMAIN_URLCONF