Login screen doesn't show reason for being logged out

[Gabriel Hurley]

If you are logged out (due to being unauthorized, or your session expiring) you are redirected to the login screen with no explanation. Ideally there would be a message indicating why you were logged out.

[Lin Hua Cheng (lin-hua-cheng)]

There are two login pages in horizon, one through splash.html and the other through login.html.

Splash.html does not import any of the javascript library. I think what used to happened is the user is redirected to splash.html instead of login.html.

The fix made by Kieran Spear in https://review.openstack.org/#/c/16287/ ensures that the user is redirected to login.html. And the message is now displaying correctly.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/24604

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/24604
Committed: http://github.com/openstack/horizon/commit/e1d12a4e49ab720f69b8a82a573faf68d1d8761f
Submitter: Jenkins
Branch: master

commit e1d12a4e49ab720f69b8a82a573faf68d1d8761f
Author: Gabriel Hurley <email address hidden>
Date: Sun Mar 17 12:14:29 2013 -0700

    Improve UX around "unauthorized" API exceptions.

    Instead of blindly logging out the user when any API returns
    a 401 or 403 response (which in most cases is due to a service
    being down or misconfigured) we catch the error and inform the
    user that they are not authorized for that data.

    This is separate from being unauthorized for a dashboard or
    panel in Horizon, since those are within our control and involve
    security concerns around exposing admin functionalities to end
    users. Those checks function as they have previously.

    Fixes bug 1060426.

    Change-Id: Ied800f10926ac5fb3b9ac1c1c26bbb4fa94a2557