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<?php
/**
* Database auth plug-in for phpBB3
*
* Authentication plug-ins is largely down to Sergey Kanareykin, our thanks to him.
*
* This is for authentication via the integrated user table
*
* You can do any kind of checking you like here ... the return data format is
* either the resulting row of user information, an integer zero (indicating an
* inactive user) or some error string
*
* @package login
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* Login function
*/
function login_db(&$username, &$password)
{
global $db, $config;
$sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_type, user_login_attempts
FROM ' . USERS_TABLE . "
WHERE username = '" . $db->sql_escape($username) . "'";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (!$row)
{
return array(
'status' => LOGIN_ERROR_USERNAME,
'error_msg' => 'LOGIN_ERROR_USERNAME',
'user_row' => array('user_id' => ANONYMOUS),
);
}
// If there are too much login attempts, we need to check for an confirm image
// Every auth module is able to define what to do by itself...
if ($config['max_login_attempts'] && $row['user_login_attempts'] > $config['max_login_attempts'])
{
$confirm_id = request_var('confirm_id', '');
$confirm_code = request_var('confirm_code', '');
// Visual Confirmation handling
if (!$confirm_id)
{
return array(
'status' => LOGIN_ERROR_ATTEMPTS,
'error_msg' => 'LOGIN_ERROR_ATTEMPTS',
'user_row' => $row,
);
}
else
{
global $user;
$sql = 'SELECT code
FROM ' . CONFIRM_TABLE . "
WHERE confirm_id = '" . $db->sql_escape($confirm_id) . "'
AND session_id = '" . $db->sql_escape($user->session_id) . "'
AND confirm_type = " . CONFIRM_LOGIN;
$result = $db->sql_query($sql);
$confirm_row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($confirm_row)
{
if (strcasecmp($confirm_row['code'], $confirm_code) === 0)
{
$sql = 'DELETE FROM ' . CONFIRM_TABLE . "
WHERE confirm_id = '" . $db->sql_escape($confirm_id) . "'
AND session_id = '" . $db->sql_escape($user->session_id) . "'
AND confirm_type = " . CONFIRM_LOGIN;
$db->sql_query($sql);
}
else
{
return array(
'status' => LOGIN_ERROR_ATTEMPTS,
'error_msg' => 'CONFIRM_CODE_WRONG',
'user_row' => $row,
);
}
}
else
{
return array(
'status' => LOGIN_ERROR_ATTEMPTS,
'error_msg' => 'CONFIRM_CODE_WRONG',
'user_row' => $row,
);
}
}
}
// Password correct...
if (md5($password) == $row['user_password'])
{
// Successful, reset login attempts (the user passed all stages)
$db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_login_attempts = 0 WHERE user_id = ' . $row['user_id']);
// User inactive...
if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE)
{
return array(
'status' => LOGIN_ERROR_ACTIVE,
'error_msg' => 'ACTIVE_ERROR',
'user_row' => $row,
);
}
// Successful login... set user_login_attempts to zero...
return array(
'status' => LOGIN_SUCCESS,
'error_msg' => false,
'user_row' => $row,
);
}
// Password incorrect - increase login attempts
$db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_login_attempts = user_login_attempts + 1 WHERE user_id = ' . $row['user_id']);
// Give status about wrong password...
return array(
'status' => LOGIN_ERROR_PASSWORD,
'error_msg' => 'LOGIN_ERROR_PASSWORD',
'user_row' => $row,
);
}
?>
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