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weblogin.php
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weblogin.php
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<?php
// bzlogin.php
//
// Copyright (c) 1993-2023 Tim Riker
//
// This package is free software; you can redistribute it and/or
// modify it under the terms of the license found in the file
// named COPYING that should have accompanied this file.
//
// THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
// WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// Weblogin settings
$config = Array(
// Used for checking for cross-site form submission. Should contain the
// full domain name of the site hosting the weblogin.php script.
'ourdomain' => $_SERVER['SERVER_NAME'],
);
define('IN_PHPBB', true);
$phpbb_root_path = '../../forums.bzflag.org/htdocs/';
$phpEx = 'php';
require($phpbb_root_path . 'includes/startup.' . $phpEx);
require($phpbb_root_path . 'phpbb/class_loader.' . $phpEx);
$phpbb_class_loader = new \phpbb\class_loader('phpbb\\', "{$phpbb_root_path}phpbb/", $phpEx);
$phpbb_class_loader->register();
$phpbb_config_php_file = new \phpbb\config_php_file($phpbb_root_path, $phpEx);
extract($phpbb_config_php_file->get_all());
@define('PHPBB_ENVIRONMENT', 'production');
$phpbb_container_builder = new \phpbb\di\container_builder($phpbb_root_path, $phpEx);
$phpbb_container = $phpbb_container_builder->with_config($phpbb_config_php_file)->get_container();
$phpbb_container->get('request')->enable_super_globals();
include($phpbb_root_path.'includes/functions.'.$phpEx);
include($phpbb_root_path.'includes/functions_compatibility.'.$phpEx);
include($phpbb_root_path.'includes/utf/utf_tools.'.$phpEx);
include('listdb.class.php');
// define dbhost/dbuname/dbpass/dbname here
// NOTE it's .php so folks can't read the source
include('/etc/bzflag/serversettings.php');
function dumpPageHeader () {
# tell the proxies not to cache
header('Cache-Control: no-cache');
header('Pragma: no-cache');
header('Content-type: text/html');
?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>BZFlag Weblogin</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<link rel="stylesheet" href="css/weblogin.css">
<link href="/favicon.ico" rel="shortcut icon">
</head>
<body>
<div id="container">
<div id="header">
<img src="/images/webauth_logo.png" width="184" height="130" alt="">
<h1>BZFlag Weblogin</h1>
</div>
<div id="main">
<?php
}
function dumpPageFooter () {
?>
</div>
<div id="footer">copyright © 1993-2023 <a href="//wiki.bzflag.org/Tim_Riker">Tim Riker</a></div>
</div>
</body>
</html>
<?php
}
function action_weblogin() {
global $db;
if ( array_key_exists("url", $_REQUEST) )
$URL = $_REQUEST['url'];
else
die ('ERROR, you must pass in a URL value');
// Generate and store a session key
$sessionKey = bin2hex(random_bytes(32));
$_SESSION['webloginformkey'] = $sessionKey;
// Parse the return URL
$parsedURL = parse_url($URL);
// If the URL fails to parse, we won't have a host
if (!isset($parsedURL["host"]))
die ('ERROR, you must pass in a URL value');
foreach($_COOKIE as $cookiekey => $cookievalue) {
if (substr($cookiekey, -3) === 'wlu' || substr($cookiekey, -3) === 'wlk') {
setcookie($cookiekey, '', time()-172800);
unset($_COOKIE[$cookiekey]);
}
}
/*$hostkey = md5($parsedURL["host"]);
$wlu = $hostkey.'wlu';
$wlk = $hostkey.'wlk';
if (isset($_COOKIE[$wlu]) && isset($_COOKIE[$wlk])) {
// try autologin
$uid = $_COOKIE[$wlu];
$player = $db->getActiveForumUserByUserID($uid);
if ($player && md5($parsedURL['host']).$player['user_password'] === $_COOKIE[$wlk]) {
$token = random_int(0, 2147483647);
$db->setTokenInformationByUserID($uid, $token);
if (true) {
header('location: ' . str_replace(Array('%TOKEN%', '%USERNAME%'), Array(urlencode($token), urlencode($player['username'])), $URL));
return;
}
}
}
*/
dumpPageHeader();
?>
<div id="information">
The website <b><?php echo htmlentities($parsedURL['host']); ?></b> is requesting a login using your BZFlag global login.<br>
Please provide your username and password on this form.<br>
Your password will <b>NOT</b> be sent to the requesting site.
</div>
<form action="<?php echo $_SERVER['SCRIPT_NAME']; ?>" method="POST">
<div id="form">
<input type="hidden" name="url" value="<?php echo htmlentities($URL); ?>">
<input type="hidden" name="action" value="webvalidate">
<input type="hidden" name="key" value="<?php echo htmlentities($sessionKey); ?>">
<label id="usernamelabel">Username: <input name="username" id="username"></label>
<label id="passwordlabel">Password: <input type="password" name="password" id="password"></label>
<?php /*<label id="rememberlabel"><input type="checkbox" name="remember" id="remember"> Automatically login when going to <b><?php echo htmlentities($parsedURL['host']); ?></b></label>*/ ?>
<label id="loginlabel"><input type="submit" id="login" value="login"></label>
</div>
</form>
<?php
dumpPageFooter();
}
function action_webvalidate() {
global $db;
$Key = "";
$formKey = $_SESSION['webloginformkey'];
if ( array_key_exists("key", $_REQUEST) )
$Key = $_REQUEST['key'];
if ( array_key_exists("url", $_REQUEST) )
$URL = $_REQUEST['url'];
else
die ('ERROR, you must pass in a URL value');
$parsedURL = parse_url($URL);
if (!isset($parsedURL["host"]))
die ('ERROR, you must pass in a URL value');
if ( array_key_exists("username", $_REQUEST) )
$username = utf8_clean_string($_REQUEST['username']);
else
die ('ERROR, you must pass in a USERNAME value');
if ( array_key_exists("password", $_REQUEST) )
$password = $_REQUEST['password'];
else
die ('ERROR, you must pass in a PASSWORD value');
/*$remember = FALSE;
if ( array_key_exists("remember", $_REQUEST) )
$remember = $_REQUEST['remember'];*/
$refererParts = parse_url($_SERVER['HTTP_REFERER']);
$validReferer = (empty($_SERVER['HTTP_REFERER']) || empty($refererParts['host']) || $refererParts['host'] == $GLOBALS['config']['ourdomain']);
if ($Key != $formKey || !$validReferer) {
dumpPageHeader();
?>
<div id="information">
The website <b><?php echo htmlentities($parsedURL['host']); ?></b> is attempting to circumvent a part of the BZFlag weblogin system<br>
Please contact the site owner to have them rectify the problem.<br>
If the website in question had asked you for password, it is possible that the site may have stored your information. It is highly recommended you change your password immediately.
</div>
<?php
dumpPageFooter();
}
else {
$player = $db->getActiveForumUserByName($username);
if (!$player || !phpbb_check_hash($password, $player['user_password'])) {
dumpPageHeader();
?>
<div id="information">
The username or password you entered was invalid.
</div>
<?php
dumpPageFooter();
}
else {
$hostkey = md5($parsedURL["host"]);
/*if ($remember) {
$wlu = $hostkey.'wlu';
$wlk = $hostkey.'wlk';
setcookie($wlu, $playerid , time()+1209600);
$key = md5($parsedURL["host"] . $row[1]);
setcookie($wlk, $key , time()+1209600);
}
else {
setcookie($hostkey.'webloginuser'.'webloginuser', "" , time()-3600);
setcookie($hostkey.'webloginkey'.'webloginkey', "" , time()-3600);
}*/
$token = random_int(0, 2147483647);
$db->setTokenInformationByUserID($player['user_id'], $token);
if (true) {
header('location: ' . str_replace(Array('%TOKEN%', '%USERNAME%'), Array(urlencode($token), urlencode($player['username'])), $URL));
return;
}
}
}
}
// start of real script
session_start();
$db = new ListDB($dbhost, $dbuname, $dbpass, $dbname);
// start of script
// figure out what we are doing
if ( array_key_exists('action', $_REQUEST) )
$action = $_REQUEST['action'];
else
$action = 'weblogin';
switch ($action) {
case 'weblogin':
action_weblogin();
break;
case 'webvalidate':
action_webvalidate();
break;
default:
echo 'ERROR = 404, WTF? Command ' . $action ; ' not known';
break;
}