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<?php
/**
* The Auth_imp:: class provides an IMP implementation of the Horde
* authentication system.
*
* Required parameters:<pre>
* None.</pre>
*
* Optional parameters:<pre>
* None.</pre>
*
* $Horde: imp/lib/Auth/imp.php,v 1.16.6.19 2008/03/24 13:11:05 jan Exp $
*
* Copyright 2003-2008 The Horde Project (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Michael Slusarz <slusarz@horde.org>
* @since Horde 3.0
* @package Horde_Auth
*/
class Auth_imp extends Auth {
/**
* Constructs a new IMP authentication object.
*
* @param array $params A hash containing connection parameters.
*/
function Auth_imp($params = array())
{
if (!Util::extensionExists('imap')) {
Horde::fatal(PEAR::raiseError(_("Auth_imp: Required IMAP extension not found.")), __FILE__, __LINE__);
}
}
/**
* Find out if a set of login credentials are valid, and if
* requested, mark the user as logged in in the current session.
*
* @param string $userID The userID to check.
* @param array $credentials The credentials to check.
* @param boolean $login Whether to log the user in. If false, we'll
* only test the credentials and won't modify
* the current session.
*
* @return boolean Whether or not the credentials are valid.
*/
function authenticate($userID = null, $credentials = array(),
$login = false)
{
// Check for for hordeauth.
if (empty($_SESSION['imp']['uniquser']) &&
IMP::canAutoLogin()) {
$server_key = IMP::getAutoLoginServer();
if (is_callable(array('Horde', 'loadConfiguration'))) {
$result = Horde::loadConfiguration('servers.php', array('servers'));
if (!is_a($result, 'PEAR_Error')) {
extract($result);
}
} else {
require IMP_BASE . '/config/servers.php';
}
$ptr = &$servers[$server_key];
if (isset($ptr['hordeauth'])) {
$imapuser = (strcasecmp($ptr['hordeauth'], 'full') == 0)
? Auth::getAuth()
: Auth::getBareAuth();
$pass = Auth::getCredential('password');
// Need to make sure we are in the IMP scope if trying to do
// hordeauth (we can reach this method from MIMP or DIMP).
if ($GLOBALS['registry']->call('mail/authenticate', array($imapuser, array('password' => $pass), $ptr))) {
return true;
}
}
}
if (empty($userID)) {
if (empty($_SESSION['imp']['uniquser'])) {
return false;
}
$userID = $_SESSION['imp']['uniquser'];
}
if (empty($credentials)) {
if (empty($_SESSION['imp']['pass'])) {
return false;
}
$credentials = array('password' => Secret::read(Secret::getKey('imp'), $_SESSION['imp']['pass']));
}
$login = ($login &&
(($this->getProvider() == 'imp') || IMP::recomposeLogin()));
return parent::authenticate($userID, $credentials, $login);
}
/**
* Find out if a set of login credentials are valid.
*
* @access private
*
* @param string $userID The userID to check.
* @param array $credentials An array of login credentials.
*
* @return boolean Whether or not the credentials are valid.
*/
function _authenticate($userID, $credentials)
{
global $prefs;
if (!(isset($_SESSION['imp']) && is_array($_SESSION['imp']))) {
if (isset($prefs)) {
$prefs->cleanup(true);
}
$this->_setAuthError(AUTH_REASON_SESSION);
return false;
}
switch ($_SESSION['imp']['base_protocol']) {
case 'pop3':
/* Turn some options off if we are working with POP3. */
$GLOBALS['conf']['user']['allow_folders'] = false;
$prefs->setValue('save_sent_mail', false);
$prefs->setLocked('save_sent_mail', true);
$prefs->setLocked('sent_mail_folder', true);
$prefs->setLocked('drafts_folder', true);
$prefs->setLocked('trash_folder', true);
break;
}
/* Open an IMAP stream. */
require_once IMP_BASE . '/lib/IMAP.php';
$imp_imap = &IMP_IMAP::singleton($_SESSION['imp']['user'], $credentials['password']);
if (!$imp_imap->changeMbox(null, IMP_IMAP_PEEK)) {
Horde::logMessage(IMP::loginLogMessage('failed'), __FILE__, __LINE__, PEAR_LOG_ERR);
unset($_SESSION['imp']);
if (isset($prefs)) {
$prefs->cleanup(true);
}
$this->_setAuthError(AUTH_REASON_FAILED);
return false;
}
return true;
}
/**
* Somewhat of a hack to allow IMP to set an authentication error message
* that may occur outside of this file.
*
* @param string $msg The error message to set.
*/
function IMPsetAuthErrorMsg($msg)
{
$this->_setAuthError(AUTH_REASON_MESSAGE, $msg);
}
}
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