--- app/controllers/attachments_controller.rb.bak	2013-02-14 09:43:05.000000000 -0600
+++ app/controllers/attachments_controller.rb	2013-02-14 09:43:26.000000000 -0600
@@ -20,6 +20,7 @@
   before_filter :file_readable, :read_authorize, :only => [:show, :download]
   before_filter :delete_authorize, :only => :destroy
   before_filter :authorize_global, :only => :upload
+  skip_before_filter :check_if_login_required
 
   accept_api_auth :show, :download, :upload