egroupware_official/phpgwapi/inc/class.auth_mail.inc.php

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<?php
/**
* eGroupWare API - Authentication agains mail server
*
* @link http://www.egroupware.org
* @author Dan Kuykendall <seek3r@phpgroupware.org>
* Copyright (C) 2000, 2001 Dan Kuykendall
* @license http://opensource.org/licenses/lgpl-license.php LGPL - GNU Lesser General Public License
* @package api
* @subpackage authentication
* @version $Id$
*/
/**
* Authentication agains mail server
*/
class auth_mail implements auth_backend
{
var $previous_login = -1;
/**
* password authentication
*
* We are always trying to establish a TLS connection, but we do not
* (yet) validate certs, as most PHP installs dont validate them!
* For imap/pop3 we are NOT adding notls to use STARTTLS if server supports it.
*
* @param string $username username of account to authenticate
* @param string $passwd corresponding password
* @param string $passwd_type ='text' 'text' for cleartext passwords (default)
* @return boolean true if successful authenticated, false otherwise
*/
function authenticate($username, $passwd, $passwd_type='text')
{
unset($passwd_type); // not used but required by function signature
switch ($GLOBALS['egw_info']['server']['mail_login_type'])
{
case 'vmailmgr':
$username = $username . '@' . $GLOBALS['egw_info']['server']['mail_suffix'];
break;
case 'email':
$username = $GLOBALS['egw']->accounts->id2name($username, 'account_email');
break;
case 'uidNumber':
$username = 'u'.$GLOBALS['egw']->accounts->name2id($username);
break;
}
list($host, $port) = explode(':', $GLOBALS['egw_info']['server']['mail_server']);
// use Horde_Imap_Client by default, to not require PHP imap extension anymore
if (class_exists('Horde_Imap_Client_Socket') && !in_array($GLOBALS['egw_info']['server']['mail_server_type'], array('pop', 'pops')))
{
$imap = new Horde_Imap_Client_Socket(array(
'username' => $username,
'password' => $passwd,
'hostspec' => $host,
'port' => $port ? $port : ($GLOBALS['egw_info']['server']['mail_server_type'] == 'imaps' ? 993 : 143),
'secure' => $GLOBALS['egw_info']['server']['mail_server_type'] == 'imaps' ? 'ssl' : 'tls',
));
try {
$imap->login();
$mailauth = true;
$imap->logout();
}
catch(Horde_Imap_Client_Exception $e) {
// throw everything but authentication failed as exception
if ($e->getCode() != Horde_Imap_Client_Exception::LOGIN_AUTHENTICATIONFAILED) throw $e;
$mailauth = false;
}
error_log(__METHOD__."('$username', \$passwd) checked via Horde code returning ".array2string($mailauth));
}
else
{
check_load_extension('imap', true);
switch ($GLOBALS['egw_info']['server']['mail_server_type'])
{
case 'imap':
default:
if (!isset($port)) $port = 143;
$mailauth = imap_open('{'.$host.':'.$port.'/imap/novalidate-cert}INBOX', $username , $passwd);
break;
case 'imaps':
if (!isset($port)) $port = 993;
$mailauth = imap_open('{'.$host.'/imap/ssl/novalidate-cert:'.$port.'}INBOX', $username , $passwd);
break;
case 'pop3':
if (!isset($port)) $port = 110;
$mailauth = imap_open('{'.$host.'/pop3/novalidate-cert:'.$port.'}INBOX', $username , $passwd);
break;
case 'pop3s':
if (!isset($port)) $port = 995;
$mailauth = imap_open('{'.$host.'/pop3/ssl/novalidate-cert:'.$port.'}INBOX', $username , $passwd);
break;
}
if ($mailauth) imap_close($mailauth);
}
return !!$mailauth;
}
/**
* changes password
*
* @param string $old_passwd must be cleartext or empty to not to be checked
* @param string $new_passwd must be cleartext
* @param int $account_id =0 account id of user whose passwd should be changed
* @return boolean true if password successful changed, false otherwise
*/
function change_password($old_passwd, $new_passwd, $account_id=0)
{
unset($old_passwd, $new_passwd, $account_id); // not used but required by function sigature
return False;
}
}