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| Dir : //proc/thread-self/root/proc/self/root/var/softaculous/fud/default/cookies.inc |
<?php
/**
* copyright : (C) 2001-2019 Advanced Internet Designs Inc.
* email : forum@prohost.org
* $Id$
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; version 2 of the License.
**/
function ses_make_sysid()
{
if ($GLOBALS['FUD_OPT_2'] & 256) { // MULTI_HOST_LOGIN
return;
}
$keys = array('REMOTE_USER', 'HTTP_USER_AGENT', 'SERVER_PROTOCOL', 'HTTP_ACCEPT_CHARSET', 'HTTP_ACCEPT_LANGUAGE');
if ($GLOBALS['FUD_OPT_3'] & 16) { // SESSION_IP_CHECK
$keys[] = 'HTTP_X_FORWARDED_FOR';
$keys[] = 'REMOTE_ADDR';
}
$pfx = '';
foreach ($keys as $v) {
if (isset($_SERVER[$v])) {
$pfx .= $_SERVER[$v];
}
}
return md5($pfx);
}
function ses_get($id=0)
{
if (!$id) {
/* Cookie or URL session? If not, check for known bots. */
if (!empty($_COOKIE[$GLOBALS['COOKIE_NAME']])) {
/* Have cookie */
$q_opt = 's.ses_id='. _esc($_COOKIE[$GLOBALS['COOKIE_NAME']]);
} else if ((isset($_GET['S']) || isset($_POST['S'])) && $GLOBALS['FUD_OPT_1'] & 128) {
/* Have session string */
$url_session = 1;
$q_opt = 's.ses_id='. _esc((isset($_GET['S']) ? (string) $_GET['S'] : (string) $_POST['S']));
/* Do not validate against expired URL sessions. */
$q_opt .= ' AND s.time_sec > '. (__request_timestamp__ - $GLOBALS['SESSION_TIMEOUT']);
} else {
/* Unknown user, maybe bot? */
// Auto login authorized bots.
// To test: wget --user-agent="Googlebot 1.2" http://127.0.0.1:8080/forum
$spider_session = 0;
$my_ip = get_ip();
include $GLOBALS['FORUM_SETTINGS_PATH'] .'spider_cache';
foreach ($spider_cache as $spider_id => $spider) {
if (preg_match('/'. $spider['useragent'] .'/i', $_SERVER['HTTP_USER_AGENT'])) {
if (empty($spider['bot_ip'])) {
$spider_session = 1; // Agent matched, no IPs to check.
break;
} else {
foreach (explode(',', $spider['bot_ip']) as $bot_ip) {
if (!($bot_ip = trim($bot_ip))) {
continue;
}
if (strpos($bot_ip, $my_ip) === 0) {
$spider_session = 1; // Agent and an IP matched.
break;
}
}
}
}
}
if ($spider_session) {
if ($spider['bot_opts'] & 2) { // Access blocked.
die('Go away!');
}
if ($id = db_li('INSERT INTO fud30_ses (ses_id, time_sec, sys_id, ip_addr, useragent, user_id) VALUES (\''. $spider['botname'] .'\', '. __request_timestamp__ .', '. _esc(ses_make_sysid()) .', '. _esc($my_ip) .', '. _esc(substr($_SERVER['HTTP_USER_AGENT'], 0, 64)) .', '. $spider['user_id'] .')', $ef, 1)) {
$q_opt = 's.id='. $id;
} else {
$q_opt = 's.ses_id='. _esc($spider['botname']);
}
$GLOBALS['FUD_OPT_1'] ^= 128; // Disable URL sessions for user.
} else {
/* NeXuS: What is this? Return if user unknown? Function should
return only after the query is run. */
//return;
// Check sys_id, ip_addr and useragent for a possible match
$q_opt = 's.sys_id= '._esc(ses_make_sysid()).
' AND s.ip_addr='._esc(get_ip()).
' AND s.useragent='._esc(substr($_SERVER['HTTP_USER_AGENT'], 0, 64));
}
}
/* ENABLE_REFERRER_CHECK */
if ($GLOBALS['FUD_OPT_3'] & 4 && isset($_SERVER['HTTP_REFERER']) && strncmp($_SERVER['HTTP_REFERER'], $GLOBALS['WWW_ROOT'], strlen($GLOBALS['WWW_ROOT']))) {
/* More checks, we need those because some proxies mangle referer field. */
$host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME'];
/* $p > 8 https:// or http:// */
if (($p = strpos($_SERVER['HTTP_REFERER'], $host)) === false || $p > 8) {
$q_opt .= ' AND s.user_id > 2000000000 '; // Different referrer, force anonymous.
}
}
} else {
$q_opt = 's.id='. $id;
}
$u = db_sab('SELECT
s.id AS sid, s.ses_id, s.data, s.returnto, s.sys_id,
t.id AS theme_id, t.lang, t.name AS theme_name, t.locale, t.theme, t.pspell_lang, t.theme_opt,
u.alias, u.posts_ppg, u.time_zone, u.sig, u.last_visit, u.last_read, u.cat_collapse_status, u.users_opt, u.posted_msg_count, u.topics_per_page,
u.ignore_list, u.ignore_list, u.buddy_list, u.id, u.group_leader_list, u.email, u.login, u.sq, u.ban_expiry, u.ban_reason, u.flag_cc
FROM fud30_ses s
INNER JOIN fud30_users u ON u.id=(CASE WHEN s.user_id>2000000000 THEN 1 ELSE s.user_id END)
LEFT OUTER JOIN fud30_themes t ON t.id=u.theme
WHERE '. $q_opt);
/* Anon user, no session or login. */
if (!$u || $u->id == 1 || $id) {
return $u;
}
if ($u->sys_id == ses_make_sysid()) {
return $u;
} else if ($GLOBALS['FUD_OPT_3'] & 16 || isset($url_session)) {
/* URL sessions must validate sys_id check and SESSION_IP_CHECK must be disabled */
return;
}
/* Try doing a strict SQ match in last-ditch effort to make things 'work'. */
if (isset($_POST['SQ']) && $_POST['SQ'] == $u->sq) {
return $u;
}
return;
}
/** Create an anonymous session. */
function ses_anon_make()
{
do {
$uid = 2000000000 + mt_rand(1, 147483647);
$ses_id = md5($uid . __request_timestamp__ . getmypid());
} while (!($id = db_li('INSERT INTO fud30_ses (ses_id, time_sec, sys_id, ip_addr, useragent, user_id) VALUES (\''. $ses_id .'\', '. __request_timestamp__ .', '. _esc(ses_make_sysid()) .', '. _esc(get_ip()) .', '. _esc(substr($_SERVER['HTTP_USER_AGENT'], 0, 64)) .', '. $uid .')', $ef, 1)));
/* When we have an anon user, we set a special cookie allowing us to see who referred this user. */
if (isset($_GET['rid']) && !isset($_COOKIE['frm_referer_id']) && $GLOBALS['FUD_OPT_2'] & 8192) {
setcookie($GLOBALS['COOKIE_NAME'] .'_referer_id', $_GET['rid'], __request_timestamp__+31536000, $GLOBALS['COOKIE_PATH'], $GLOBALS['COOKIE_DOMAIN']);
}
if ($GLOBALS['FUD_OPT_3'] & 1) { // SESSION_COOKIES
setcookie($GLOBALS['COOKIE_NAME'], $ses_id, 0, $GLOBALS['COOKIE_PATH'], $GLOBALS['COOKIE_DOMAIN']);
} else {
setcookie($GLOBALS['COOKIE_NAME'], $ses_id, __request_timestamp__+$GLOBALS['COOKIE_TIMEOUT'], $GLOBALS['COOKIE_PATH'], $GLOBALS['COOKIE_DOMAIN']);
}
return ses_get($id);
}
/** Update session status to indicate last known action. */
function ses_update_status($ses_id, $str=null, $forum_id=0, $ret='')
{
if (empty($ses_id)) {
die('FATAL ERROR: No session, check your forum\'s URL and COOKIE settings.');
}
q('UPDATE fud30_ses SET sys_id=\''. ses_make_sysid() .'\', forum_id='. $forum_id .', time_sec='. __request_timestamp__ .', action='. ($str ? _esc($str) : 'NULL') .', returnto='. (!is_int($ret) ? (isset($_SERVER['QUERY_STRING']) ? _esc($_SERVER['QUERY_STRING']) : 'NULL') : 'returnto') .' WHERE id='. $ses_id);
}
/** Save/ clear a session variable. */
function ses_putvar($ses_id, $data)
{
$cond = is_int($ses_id) ? 'id='. (int)$ses_id : 'ses_id=\''. $ses_id .'\'';
if (empty($data)) {
q('UPDATE fud30_ses SET data=NULL WHERE '. $cond);
} else {
q('UPDATE fud30_ses SET data='. _esc(serialize($data)) .' WHERE '. $cond);
}
}
/** Destroy a session. */
function ses_delete($ses_id)
{
// Delete all forum sessions.
// Regardless of MULTI_HOST_LOGIN, all sessions will be terminated.
q('DELETE FROM fud30_ses WHERE id='. $ses_id);
setcookie($GLOBALS['COOKIE_NAME'], '', __request_timestamp__-100000, $GLOBALS['COOKIE_PATH'], $GLOBALS['COOKIE_DOMAIN']);
return 1;
}
function ses_anonuser_auth($id, $error)
{
if (!empty($_POST)) {
$_SERVER['QUERY_STRING'] = '';
}
q('UPDATE fud30_ses SET data='. _esc(serialize($error)) .', returnto='. ssn($_SERVER['QUERY_STRING']) .' WHERE id='. $id);
if ($GLOBALS['FUD_OPT_2'] & 32768) { // USE_PATH_INFO
header('Location: [[relativeurl]]/index.php/l/'. _rsidl);
} else {
header('Location: [[relativeurl]]/index.php?t=login&'. _rsidl);
}
exit;
}
?>