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c65048bd91
- homograph list should probably be extended git-svn-id: file:///svn/phpbb/trunk@6494 89ea8834-ac86-4346-8a33-228a782c2dd0
139 lines
3.5 KiB
PHP
139 lines
3.5 KiB
PHP
<?php
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/**
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* Database auth plug-in for phpBB3
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*
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* Authentication plug-ins is largely down to Sergey Kanareykin, our thanks to him.
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*
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* This is for authentication via the integrated user table
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*
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* @package login
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* @version $Id$
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* @copyright (c) 2005 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* Login function
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*/
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function login_db(&$username, &$password)
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{
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global $db, $config;
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$sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_type, user_login_attempts
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FROM ' . USERS_TABLE . "
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WHERE username_clean = '" . $db->sql_escape(utf8_clean_string($username)) . "'";
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$result = $db->sql_query($sql);
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$row = $db->sql_fetchrow($result);
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$db->sql_freeresult($result);
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if (!$row)
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{
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return array(
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'status' => LOGIN_ERROR_USERNAME,
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'error_msg' => 'LOGIN_ERROR_USERNAME',
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'user_row' => array('user_id' => ANONYMOUS),
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);
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}
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// If there are too much login attempts, we need to check for an confirm image
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// Every auth module is able to define what to do by itself...
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if ($config['max_login_attempts'] && $row['user_login_attempts'] > $config['max_login_attempts'])
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{
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$confirm_id = request_var('confirm_id', '');
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$confirm_code = request_var('confirm_code', '');
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// Visual Confirmation handling
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if (!$confirm_id)
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{
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return array(
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'status' => LOGIN_ERROR_ATTEMPTS,
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'error_msg' => 'LOGIN_ERROR_ATTEMPTS',
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'user_row' => $row,
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);
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}
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else
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{
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global $user;
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$sql = 'SELECT code
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FROM ' . CONFIRM_TABLE . "
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WHERE confirm_id = '" . $db->sql_escape($confirm_id) . "'
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AND session_id = '" . $db->sql_escape($user->session_id) . "'
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AND confirm_type = " . CONFIRM_LOGIN;
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$result = $db->sql_query($sql);
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$confirm_row = $db->sql_fetchrow($result);
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$db->sql_freeresult($result);
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if ($confirm_row)
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{
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if (strcasecmp($confirm_row['code'], $confirm_code) === 0)
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{
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$sql = 'DELETE FROM ' . CONFIRM_TABLE . "
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WHERE confirm_id = '" . $db->sql_escape($confirm_id) . "'
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AND session_id = '" . $db->sql_escape($user->session_id) . "'
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AND confirm_type = " . CONFIRM_LOGIN;
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$db->sql_query($sql);
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}
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else
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{
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return array(
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'status' => LOGIN_ERROR_ATTEMPTS,
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'error_msg' => 'CONFIRM_CODE_WRONG',
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'user_row' => $row,
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);
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}
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}
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else
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{
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return array(
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'status' => LOGIN_ERROR_ATTEMPTS,
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'error_msg' => 'CONFIRM_CODE_WRONG',
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'user_row' => $row,
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);
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}
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}
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}
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// Password correct...
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if (md5($password) == $row['user_password'])
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{
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// Successful, reset login attempts (the user passed all stages)
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$sql = 'UPDATE ' . USERS_TABLE . '
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SET user_login_attempts = 0
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WHERE user_id = ' . $row['user_id'];
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$db->sql_query($sql);
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// User inactive...
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if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE)
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{
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return array(
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'status' => LOGIN_ERROR_ACTIVE,
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'error_msg' => 'ACTIVE_ERROR',
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'user_row' => $row,
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);
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}
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// Successful login... set user_login_attempts to zero...
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return array(
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'status' => LOGIN_SUCCESS,
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'error_msg' => false,
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'user_row' => $row,
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);
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}
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// Password incorrect - increase login attempts
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$sql = 'UPDATE ' . USERS_TABLE . '
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SET user_login_attempts = user_login_attempts + 1
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WHERE user_id = ' . $row['user_id'];
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$db->sql_query($sql);
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// Give status about wrong password...
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return array(
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'status' => LOGIN_ERROR_PASSWORD,
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'error_msg' => 'LOGIN_ERROR_PASSWORD',
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'user_row' => $row,
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);
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}
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?>
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