File Source for auth.php

<?php
/**
* $Header$
*
* @package users
*/
/**
* Class that manages the imap autentication method
*
* @package users
* @subpackage auth
*/
class IMAPAuth extends BaseAuth {
function IMAPAuth() {
parent::__construct('imap');
}
function validate($user,$pass,$challenge,$response) {
parent::validate($user,$pass,$challenge,$response);
$mailbox = '{' . $this->mConfig['server'];
if ($this->mConfig["ssl"]) {
$mailbox .= "/ssl";
if ($this->mConfig["sslvalidate"]) {
$mailbox .= "/validate-cert";
} else {
$mailbox .= "/novalidate-cert";
}
}
$mailbox .= ':'.$this->mConfig["port"].'}INBOX';
$imapauth = @imap_open($mailbox,$user , $pass);
if (!$imapauth) {
$this->mErrors['login']=imap_errors();
$ret=USER_NOT_FOUND;
} else {
$ret=USER_VALID;
$this->mInfo["real_name"] = $user;
if(empty($this->mConfig["email"])) {
$this->mInfo["email"] = $user;
} else {
$info=array('login'=>$user);
$replace_func = create_function('$matches','$info = '.var_export($info,true).';
$m = $matches[0];
$m = substr($m,1,strlen($m)-2);
if(empty($info[$m])) return "";
return strtolower($info[$m]);');
$this->mInfo["email"] = preg_replace_callback('/%.*?%/',$replace_func,$this->mConfig["email"]);
}
imap_close($imapauth);
}
return $ret;
}
function isSupported() {
$ret = true;
if (!function_exists('imap_open')) {
$this->mErrors['support']=tra("IMAP Authentication is not supported as PHP IMAP Extention not loaded.");
$ret = false;
}
return $ret;
}
function createUser(&$userattr) {
$this->mErrors['create']=tra("Cannot create users in an IMAP Server.");
return false;
}
function canManageAuth() {
$this->mErrors[]=tra("Cannot create users in an IMAP Server.");
return false;
}
function getSettings() {
return array(
'users_imap_server' => array(
'label' => "IMAP Server",
'type' => "text",
'note' => "",
'default' => '',
),
'users_imap_ssl' => array(
'label' => "Connect Using SSL",
'type' => "checkbox",
'note' => "",
'default' => 'y',
),
'users_imap_sslvalidate' => array(
'label' => "Require SSL Certificate to be valid",
'type' => "checkbox",
'note' => "",
'default' => 'n',
),
'users_imap_port' => array(
'label' => "IMAP Port",
'type' => "text",
'note' => "",
'default' => '993',
),
'users_imap_email' => array(
'label' => "LDAP User E-Mail Address",
'type' => "text",
'note' => "If empty the login is used.<br />Otherwise all %login% is replaced with the login name, and the result used as the email address.<br />Please remember to include the @ sign",
'default' => "%login%@redhat.com",
),
);
}
}

Source for file auth.php