[Tickets #7340] Login screen reappears in right frame after successful IMAP login

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Ticket URL: http://bugs.horde.org/ticket/7340
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  Ticket             | 7340
  Created By         | kristian.lance at crc.ca
  Summary            | Login screen reappears in right frame after successful
                     | IMAP login
  Queue              | Horde Base
  Version            | 3.1.6
  Type               | Bug
  State              | Unconfirmed
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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kristian.lance at crc.ca (2008-09-15 10:17) wrote:

I'm using Horde 3.1.6 with IMP 4.1.6 and am using composite  
authentication to sidestep the MIMP (1.0.2) double login issue as  
recommended on this Horde Wiki page:

http://wiki.horde.org/MIMPHowTo

The only difference is that I'm authenticating Horde with a secure  
LDAP server, and IMP with an IMAP server, like this:

/* composite configuration for horde and mimp */
$conf['auth']['params']['drivers'] = array(
     'horde' => array('driver' => 'ldap',
                      'params' => array('hostspec' => 'ldaps://[hidden]',
                                        'basedn' =>  
'ou=[hidden],dc=[hidden],dc=[hidden]',
                                        'version' => '3',
                                        'ad' => true,
                                        'uid' => 'uid',
                                        'encryption' => '[hidden]',
                                        'newuser_objectclass' =>  
array('shadowAccount', 'inetOrgPerson'),
                                        'objectclass' => array('uid'),
                                        'filter_type' => 'objectclass',
                                        'password_expiration' => 'no'
                          )),
     'mimp' => array('driver' => 'application',
                     'params' => array('app' => 'mimp')));

$conf['auth']['params']['loginscreen_switch'] = '_horde_select_loginscreen';

if (!function_exists('_horde_select_loginscreen')) {
     function _horde_select_loginscreen()
     {
         require_once 'Horde/Browser.php';
         $browser = new Browser();
         if ($browser->isMobile()) {
             return 'mimp';
         }
         return 'horde';
     }
}

/* IMP servers.php configuration */
$servers['imap'] = array(
     'name' => 'IMAP Server',
     'server' => '[hidden]',
     'hordeauth' => true,
     'protocol' => 'imap/ssl/novalidate-cert',
     'port' => 993,
     'maildomain' => '[hidden]',
     'smtphost' => '[hidden]',
     'smtpport' => 25,
     'realm' => '',
     'preferred' => '',
);


The LDAP (AD v. 3) and IMAP servers contain the same usernames and  
passwords, because we're in the process of converting the mail server  
to LDAP authentication, so I have IMP configured to use Horde  
authentication (see 'hordeauth' line above).

All of this works fine most of the time, but occasionally users who  
access /imp directly get presented with the Horde left sidebar frame,  
indicating a successful LDAP login, and a login screen in the right  
frame, indicating an unsuccessful IMAP login. If they click on "Mail"  
in the left sidebar without logging in again, however, they are able  
to access their IMAP Inbox. It appears that either a) the login  
process isn't waiting for a successful login message from the IMAP  
server before reporting a login failure (i.e. a timeout is occurring),  
or b) the first IMAP login attempt actually does fail, for whatever  
reason, and Horde retries the IMAP login when a second attempt is made  
to access the user's IMAP mail, which subsequently succeeds.