[horde] Access to Authenticated Username?

[Andy Dorman]

Sorry to bother with such a low-level question, but we are working on 
moving from Horde 3 to Horde 5 and are working on adapting our older imp 
servers.php code to the appropriate backends.local.php

We need to access the username for the current authenticated user in 
oder to fetch the hostname for their IMAP server and some other settings 
from our LDAP db.

We used to use Auth::getAuth() for the authenticated user.  What should 
we use now?

Thanks for such an amazing piece of OS software.

-- 
Andy Dorman
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