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<?php
/**
* Copyright 2002-2014 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (GPL). If you
* did not receive this file, see http://www.horde.org/licenses/gpl.
*
* @category Horde
* @copyright 2002-2014 Horde LLC
* @license http://www.horde.org/licenses/gpl GPL
* @package Passwd
*/
/**
* The vpopmail class attempts to change a user's password for vpopmail based
* servers. It is very similar to the more generic sql driver, and the two
* should probably be merged into one driver if possible.
*
* @author Mike Cochrane <mike@graftonhall.co.nz>
* @author Mattias Webjörn Eriksson <mattias@webjorn.org>
* @author Ilya Krel <mail@krel.org>
* @author Ralf Lang <lang@b1-systems.de>
* @author Anton Nekhoroshikh <anton@valuehost.ru>
* @author Eric Jon Rostetter <eric.rostetter@physics.utexas.edu>
* @author Tjeerd van der Zee <admin@xar.nl>
* @category Horde
* @copyright 2002-2014 Horde LLC
* @license http://www.horde.org/licenses/gpl GPL
* @package Passwd
*/
class Passwd_Driver_Vpopmail extends Passwd_Driver
{
/**
* The Horde_Db object.
*
* @var Horde_Db_Adapter
*/
protected $_db;
/**
* State of SQL connection.
*
* @var boolean
*/
protected $_connected = false;
/**
*/
public function __construct($params = array())
{
if (!isset($params['db'])) {
throw new Passwd_Exception('Missing required Horde_Db_Adapter object');
}
$this->_db = $params['db'];
unset($params['db']);
/* Use defaults from Horde. */
parent::__construct(array_merge(
Horde::getDriverConfig('', 'sql'),
array(
'clear_passwd' => 'pw_clear_passwd',
'domain' => 'pw_domain',
'encryption' => 'crypt',
'name' => 'pw_name',
'passwd' => 'pw_passwd',
'show_encryption' => false,
'table' => 'horde_users',
'use_clear_passwd' => false
),
$params
));
}
/**
* Finds out if a username and password is valid.
*
* @param string $user The username to check.
* @param string $oldpass An old password to check.
*
* @throws Passwd_Exception
*/
protected function _lookup($user, $oldpass)
{
/* Only split up username if domain is set in backend configuration. */
if (!empty($this->_params['domain'])) {
list($name, $domain) = explode('@', $user);
} else {
$name = $user;
}
/* Build the SQL query. */
$sql = 'SELECT ' . $this->_params['passwd'] .
' FROM ' . $this->_params['table'] .
' WHERE ' . $this->_params['name'] . ' = ?';
$values = array($name);
if ($this->_params['domain']) {
$sql .= ' AND ' . $this->_params['domain'] . ' = ?';
$values[] = $domain;
}
/* Execute the query. */
try {
$result = $this->_db->selectOne($sql, $values);
} catch (Horde_Db_Exception $e) {
throw new Passwd_Exception($e);
}
if (!is_array($result)) {
throw new Passwd_Exception(_("User not found"));
}
/* Check the passwords match. */
$this->_comparePasswords($result[$this->_params['passwd']], $oldpass);
}
/**
* Modifies a SQL password record for a user.
*
* @param string $user The user whose record we will udpate.
* @param string $newpass The new password value to set.
*
* @throws Passwd_Exception
*/
protected function _modify($user, $newpass)
{
/* Only split up username if domain is set in backend. */
if ($this->_params['domain']) {
list($name, $domain) = explode('@', $user);
} else {
$name = $user;
}
/* Encrypt the password. */
$clear_password = $newpass;
$newpass = $this->_encryptPassword($newpass);
/* Build the SQL query. */
$sql = 'UPDATE ' . $this->_params['table'] .
' SET ' . $this->_params['passwd'] . ' = ?';
$values = array($newpass);
if ($this->_params['use_clear_passwd']) {
$sql .= ', ' . $this->_params['clear_passwd'] . ' = ?';
$values[] = $clear_password;
}
$sql .= ' WHERE ' . $this->_params['name'] . ' = ?';
$values[] = $name;
if ($this->_params['domain']) {
$sql .= ' AND ' . $this->_params['domain'] . ' = ?';
$values[] = $domain;
}
/* Execute the query. */
try {
$this->_db->update($sql, $values);
} catch (Horde_Db_Exception $e) {
throw new Passwd_Exception($e);
}
}
/**
*/
protected function _changePassword($user, $oldpass, $newpass)
{
$this->_lookup($user, $oldpass);
$this->_modify($user, $newpass);
}
}
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