[Tickets #9709] Virtual domain support

[bugs at horde.org]

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Ticket URL: http://bugs.horde.org/ticket/9709
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  Ticket             | 9709
  Created By         | horde at heskia.net
  Summary            | Virtual domain support
  Queue              | IMP
  Version            | 5.0-RC1
  Type               | Enhancement
  State              | New
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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horde at heskia.net (2011-03-24 17:22) wrote:

In my Horde3/IMP4, I used to have a custom hook function in the  
horde/imp/config/hooks.php to support multidomains that I am hosting.
The user points its browser to mail.domain.com, the the login window  
displays "@domain.com" at the end of the username field and horde/imp  
provides username at domain.com to the IMAP server  
(qmail/vpopmail/courier-imap).

This function looks like this:
if (!function_exists('_imp_hook_vinfo')) {
     function _imp_hook_vinfo($type = 'username')
     {
         $vdomain = getenv('HTTP_HOST');
         $vdomain = preg_replace('|^(web)?mail\.|i', '', $vdomain);
         $vdomain = preg_replace('|^imp\.|i', '', $vdomain);
         $vdomain = String::lower($vdomain);

         if ($type == 'username') {
                 if ($vdomain == '') {
                         return $_SESSION['imp']['user'];
                 } else {
             return (preg_replace('|@.*$|', '',  
$_SESSION['imp']['user']) . '@' . $vdomain);
           }
         } elseif ($type == 'vdomain') {
             return $vdomain;
         } else {
             return PEAR::raiseError('invalid type: ' . $type);
         }
     }
}

I did not find such a feature in Horde4/IMP5.
I have tried to play a bit with the hook public function  
authusername($userId, $toHorde) in horde/config/hooks.php
but users still need to provide user at domain.com to logon (and they are  
recognized as user at domain.com@domain.com by horde) and the logon  
window does not displays "@domain.com" after the username field.

Am I missing something ?

Thanks for your support,
Antoine.