Here is my problem : I would like to display a message to the user during an external webservice call. During this call, I'm not logged as an user but as a external application. I think about drupal_set_message() obviously but it tries to display my message to the external application and not to my Drupal application.
So, I have to tell to Drupal that I'm the physical user logged in the Drupal application and not an external application. Is it even possible ?
I'm so depressed that I tried something like :