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<?php
/**
* The Auth_ftp class provides an FTP implementation of the Horde
* authentication system.
*
* Optional parameters:<pre>
* 'hostspec' The hostname or IP address of the FTP server.
* DEFAULT: 'localhost'
* 'port' The server port to connect to.
* DEFAULT: 21</pre>
*
*
* $Horde: framework/Auth/Auth/ftp.php,v 1.23.12.8 2006/01/01 21:28:07 jan Exp $
*
* Copyright 1999-2006 Chuck Hagenbuch <chuck@horde.org>
* Copyright 1999-2006 Max Kalika <max@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 Chuck Hagenbuch <chuck@horde.org>
* @author Max Kalika <max@horde.org>
* @since Horde 1.3
* @package Horde_Auth
*/
class Auth_ftp extends Auth {
/**
* Constructs a new FTP authentication object.
*
* @param array $params A hash containing connection parameters.
*/
function Auth_ftp($params = array())
{
if (!Util::extensionExists('ftp')) {
Horde::fatal(_("Auth_ftp: Required FTP extension not found. Compile PHP with the --enable-ftp switch."), __FILE__, __LINE__);
}
$default_params = array(
'hostspec' => 'localhost',
'port' => 21
);
$this->_params = array_merge($default_params, $params);
}
/**
* Find out if a set of login credentials are valid.
*
* @access private
*
* @param string $userId The userId to check.
* @param array $credentials An array of login credentials. For FTP,
* this must contain a password entry.
*
* @return boolean Whether or not the credentials are valid.
*/
function _authenticate($userId, $credentials)
{
$ftp = @ftp_connect($this->_params['hostspec'], $this->_params['port']);
if ($ftp && @ftp_login($ftp, $userId, $credentials['password'])) {
@ftp_quit($ftp);
return true;
} else {
@ftp_quit($ftp);
$this->_setAuthError(AUTH_REASON_BADLOGIN);
return false;
}
}
}
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