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mylittleforum/includes/main.inc.php
Heiko August c86fb16991 CLeanup: reformatting of main.inc.php
2017-11-04 21:37:20 +01:00

316 lines
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PHP
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<?php
if (!defined('IN_INDEX')) {
header('Location: ../index.php');
exit;
}
// stripslashes on GPC if magic_quotes_gpc is enabled:
if (get_magic_quotes_gpc()) {
function stripslashes_deep($value) {
$value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value);
return $value;
}
$_POST = array_map('stripslashes_deep', $_POST);
$_GET = array_map('stripslashes_deep', $_GET);
$_COOKIE = array_map('stripslashes_deep', $_COOKIE);
$_REQUEST = array_map('stripslashes_deep', $_REQUEST);
}
// database connection:
$connid = connect_db($db_settings['host'], $db_settings['user'], $db_settings['password'], $db_settings['database']);
// set current timestamp:
list($timestamp) = mysqli_fetch_row(mysqli_query($connid, "SELECT UNIX_TIMESTAMP(NOW())"));
define('TIMESTAMP', $timestamp);
// get settings:
$settings = get_settings();
// CSRF protection token
if (!isset($_SESSION['csrf_token'])) {
$_SESSION['csrf_token'] = $uniqid = uniqid('', true);
}
// auto login:
if (!isset($_SESSION[$settings['session_prefix'].'user_id']) && isset($_COOKIE[$settings['session_prefix'].'auto_login']) && isset($settings['autologin']) && $settings['autologin'] == 1) {
include('includes/auto_login.inc.php');
}
// Bad Behavior check:
if ($settings['bad_behavior'] == 1 && !isset($_SESSION[$settings['session_prefix'].'user_id'])) {
require_once("modules/bad-behavior/bad-behavior-generic.php");
}
// access permission checks for not registered users:
if ($settings['access_permission_checks'] == 1 && !isset($_SESSION[$settings['session_prefix'].'user_id'])) {
// look if IP or user agent is banned:
$ip_result = mysqli_query($connid, "SELECT name, list FROM ".$db_settings['banlists_table']." WHERE name = 'ips' OR name = 'user_agents'") or raise_error('database_error', mysqli_error($connid));
while ($data = mysqli_fetch_array($ip_result)) {
if ($data['name'] == 'ips') $ips = $data['list'];
if ($data['name'] == 'user_agents') $user_agents = $data['list'];
}
mysqli_free_result($ip_result);
if (isset($ips) && trim($ips) != '') {
$banned_ips = explode("\n",$ips);
if (is_ip_banned($_SERVER['REMOTE_ADDR'], $banned_ips)) raise_error('403');
}
if (isset($user_agents) && trim($user_agents) != '') {
$banned_user_agents = explode("\n", $user_agents);
if (is_user_agent_banned($_SERVER['HTTP_USER_AGENT'], $banned_user_agents)) raise_error('403');
}
}
// look if user blocked:
if (isset($_SESSION[$settings['session_prefix'].'user_id'])) {
$block_result = mysqli_query($connid, "SELECT user_lock FROM ".$db_settings['userdata_table']." WHERE user_id = ". intval($_SESSION[$settings['session_prefix'].'user_id']) ." LIMIT 1") or raise_error('database_error', mysqli_error($connid));
$data = mysqli_fetch_array($block_result);
mysqli_free_result($block_result);
if ($data['user_lock'] == 1) {
log_out($_SESSION[$settings['session_prefix'].'user_id'], 'account_locked');
}
}
// set time zone:
if (function_exists('date_default_timezone_set')) {
if (isset($_SESSION[$settings['session_prefix'].'usersettings']['time_zone']) && $_SESSION[$settings['session_prefix'].'usersettings']['time_zone'] != '') {
date_default_timezone_set($_SESSION[$settings['session_prefix'].'usersettings']['time_zone']);
$forum_time_zone = $_SESSION[$settings['session_prefix'].'usersettings']['time_zone'];
if (isset($_SESSION[$settings['session_prefix'].'usersettings']['time_difference']) && $_SESSION[$settings['session_prefix'].'usersettings']['time_difference'] != 0) {
if ($_SESSION[$settings['session_prefix'].'usersettings']['time_difference'] > 0) $uds = '+'; else $uds = '-';
$udm = abs($_SESSION[$settings['session_prefix'].'usersettings']['time_difference']);
$udh = floor($udm / 60);
$udmr = $udm - $udh * 60;
if ($udmr < 10) $udmr = '0'.$udmr;
$udf = $uds.$udh.':'.$udmr;
$forum_time_zone = $_SESSION[$settings['session_prefix'].'usersettings']['time_zone'].' '.$udf;
} else {
$forum_time_zone = $_SESSION[$settings['session_prefix'].'usersettings']['time_zone'];
}
} elseif($settings['time_zone'] != '') {
date_default_timezone_set($settings['time_zone']);
$forum_time_zone = $settings['time_zone'];
} else {
date_default_timezone_set('UTC');
$forum_time_zone = 'UTC';
}
}
// do daily actions:
daily_actions(TIMESTAMP);
$categories = get_categories();
$category_ids = get_category_ids($categories);
if ($category_ids != false) $category_ids_query = implode(', ', $category_ids);
if (empty($category)) $category = 0;
// user settings:
if (isset($_COOKIE[$settings['session_prefix'].'usersettings'])) {
$usersettings_cookie = explode('.', $_COOKIE[$settings['session_prefix'].'usersettings']);
}
if (empty($_SESSION[$settings['session_prefix'].'usersettings'])) {
if (isset($usersettings_cookie[0])) {
$usersettings['user_view'] = $usersettings_cookie[0] == 1 ? 1 : 0;
} else {
$usersettings['user_view'] = $settings['default_view'];
}
$usersettings['thread_order'] = isset($usersettings_cookie[1]) && $usersettings_cookie[1] == 1 ? 1 : 0;
$usersettings['sidebar'] = isset($usersettings_cookie[2]) && $usersettings_cookie[2] == 0 ? 0 : 1;
if(isset($usersettings_cookie[3])) {
$usersettings['fold_threads'] = $usersettings_cookie[3] == 1 ? 1 : 0;
} else {
$usersettings['fold_threads'] = $settings['fold_threads'];
}
$usersettings['thread_display'] = isset($usersettings_cookie[4]) && $usersettings_cookie[4] == 1 ? 1 : 0;
$usersettings['page'] = 1;
$usersettings['category'] = 0;
$_SESSION[$settings['session_prefix'].'usersettings'] = $usersettings;
setcookie($settings['session_prefix'].'usersettings', $_SESSION[$settings['session_prefix'].'usersettings']['user_view'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_order'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['sidebar'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['fold_threads'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_display'], TIMESTAMP + (3600 * 24 * $settings['cookie_validity_days']));
}
if (isset($_REQUEST['toggle_sidebar'])) {
if (empty($_SESSION[$settings['session_prefix'].'usersettings']['sidebar'])) $_SESSION[$settings['session_prefix'].'usersettings']['sidebar'] = 1;
else $_SESSION[$settings['session_prefix'].'usersettings']['sidebar'] = 0;
setcookie($settings['session_prefix'].'usersettings', $_SESSION[$settings['session_prefix'].'usersettings']['user_view'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_order'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['sidebar'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['fold_threads'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_display'], TIMESTAMP + (3600 * 24 * $settings['cookie_validity_days']));
// update database for registered users:
if (isset($_SESSION[$settings['session_prefix'].'user_id'])) {
@mysqli_query($connid, "UPDATE ".$db_settings['userdata_table']." SET last_login = last_login, last_logout = last_logout, registered = registered, sidebar = ". intval($_SESSION[$settings['session_prefix'].'usersettings']['sidebar']) ." WHERE user_id = ". intval($_SESSION[$settings['session_prefix'].'user_id']));
}
if (isset($_POST['toggle_sidebar'])) exit; // AJAX request
if (isset($_GET['category']) && isset($_GET['page']) && isset($_GET['order'])) $q = '?page='.$_GET['page'].'&category='.$_GET['category'].'&order='.$_GET['order']; else $q = '';
header('location: index.php'.$q);
exit;
}
if (isset($_GET['thread_order']) && isset($_SESSION[$settings['session_prefix'].'usersettings']['thread_order'])) {
$page = 1;
if ($_GET['thread_order'] == 1) $thread_order = 1;
else $thread_order = 0;
if ($thread_order != $_SESSION[$settings['session_prefix'].'usersettings']['thread_order']) {
$_SESSION[$settings['session_prefix'].'usersettings']['page'] = 1;
$_SESSION[$settings['session_prefix'].'usersettings']['thread_order'] = $thread_order;
setcookie($settings['session_prefix'].'usersettings', $_SESSION[$settings['session_prefix'].'usersettings']['user_view'].'.'.$thread_order.'.'.$_SESSION[$settings['session_prefix'].'usersettings']['sidebar'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['fold_threads'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_display'], TIMESTAMP + (3600 * 24 * $settings['cookie_validity_days']));
if (isset($_SESSION[$settings['session_prefix'].'user_id'])) @mysqli_query($connid, "UPDATE ".$db_settings['userdata_table']." SET last_login = last_login, last_logout = last_logout, registered = registered, thread_order = ". intval($thread_order) ." WHERE user_id = ". intval($_SESSION[$settings['session_prefix'].'user_id']));
}
}
if (isset($_GET['toggle_view'])) {
if (isset($_SESSION[$settings['session_prefix'].'usersettings']) && $_SESSION[$settings['session_prefix'].'usersettings']['user_view'] == 0) {
$_SESSION[$settings['session_prefix'].'usersettings']['user_view'] = 1;
setcookie($settings['session_prefix'].'usersettings', '1.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_order'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['sidebar'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['fold_threads'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_display'], TIMESTAMP + (3600 * 24 *$settings['cookie_validity_days']));
} elseif (isset($_SESSION[$settings['session_prefix'].'usersettings']) && $_SESSION[$settings['session_prefix'].'usersettings']['user_view'] == 1) {
$_SESSION[$settings['session_prefix'].'usersettings']['user_view'] = 0;
setcookie($settings['session_prefix'].'usersettings','0.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_order'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['sidebar'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['fold_threads'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_display'],TIMESTAMP+(3600*24*$settings['cookie_validity_days']));
}
// update database for registered users:
if (isset($_SESSION[$settings['session_prefix'].'user_id'])) {
@mysqli_query($connid, "UPDATE ".$db_settings['userdata_table']." SET last_login = last_login, last_logout = last_logout, registered = registered, user_view = ". intval($_SESSION[$settings['session_prefix'].'usersettings']['user_view']) ." WHERE user_id = ". intval($_SESSION[$settings['session_prefix'].'user_id'])) or die(mysqli_error($connid));
}
if (isset($_GET['category']) && isset($_GET['page']) && isset($_GET['order'])) $q = '&page='.$_GET['page'].'&category='.$_GET['category'].'&order='.$_GET['order']; else $q = '';
header('location: index.php?mode=index'.$q);
exit;
}
if (isset($_GET['toggle_thread_display']) && isset($_GET['id'])) {
if (isset($_SESSION[$settings['session_prefix'].'usersettings']) && $_SESSION[$settings['session_prefix'].'usersettings']['thread_display'] == 0) {
$_SESSION[$settings['session_prefix'].'usersettings']['thread_display'] = 1;
setcookie($settings['session_prefix'].'usersettings', $_SESSION[$settings['session_prefix'].'usersettings']['user_view'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_order'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['sidebar'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['fold_threads'].'.1', TIMESTAMP + (3600 * 24 * $settings['cookie_validity_days']));
} elseif (isset($_SESSION[$settings['session_prefix'].'usersettings']) && $_SESSION[$settings['session_prefix'].'usersettings']['thread_display'] == 1) {
$_SESSION[$settings['session_prefix'].'usersettings']['thread_display'] = 0;
setcookie($settings['session_prefix'].'usersettings', $_SESSION[$settings['session_prefix'].'usersettings']['user_view'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_order'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['sidebar'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['fold_threads'].'.0', TIMESTAMP + (3600 * 24 * $settings['cookie_validity_days']));
}
// update database for registered users:
if (isset($_SESSION[$settings['session_prefix'].'user_id'])) {
@mysqli_query($connid, "UPDATE ".$db_settings['userdata_table']." SET last_login = last_login, last_logout = last_logout, registered = registered, thread_display = ". intval($_SESSION[$settings['session_prefix'].'usersettings']['thread_display']) ." WHERE user_id = ".intval($_SESSION[$settings['session_prefix'].'user_id'])) or die(mysqli_error($connid));
}
header('location: index.php?mode=thread&id='.intval($_GET['id']));
exit;
}
if (isset($_GET['fold_threads'])) {
if ($_SESSION[$settings['session_prefix'].'usersettings']['fold_threads'] == 0) {
$_SESSION[$settings['session_prefix'].'usersettings']['fold_threads'] = 1;
setcookie($settings['session_prefix'].'usersettings', $_SESSION[$settings['session_prefix'].'usersettings']['user_view'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_order'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['sidebar'].'.1.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_display'], TIMESTAMP + (3600 * 24 * $settings['cookie_validity_days']));
} else {
$_SESSION[$settings['session_prefix'].'usersettings']['fold_threads'] = 0;
setcookie($settings['session_prefix'].'usersettings', $_SESSION[$settings['session_prefix'].'usersettings']['user_view'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_order'].'.'.$_SESSION[$settings['session_prefix'].'usersettings']['sidebar'].'.0.'.$_SESSION[$settings['session_prefix'].'usersettings']['thread_display'], TIMESTAMP + (3600 * 24 * $settings['cookie_validity_days']));
}
// update database for registered users:
if (isset($_SESSION[$settings['session_prefix'].'user_id'])) {
@mysqli_query($connid, "UPDATE ".$db_settings['userdata_table']." SET last_login = last_login, last_logout = last_logout, registered = registered, fold_threads = ". intval($_SESSION[$settings['session_prefix'].'usersettings']['fold_threads']) ." WHERE user_id = ".intval($_SESSION[$settings['session_prefix'].'user_id'])) or die(mysqli_error($connid));
}
if (isset($_GET['category']) && isset($_GET['page']) && isset($_GET['order'])) $q = '&page='.$_GET['page'].'&category='.$_GET['category'].'&order='.$_GET['order']; else $q = '';
if (isset($_GET['ajax'])) exit;
header('Location: index.php?mode=index'.$q);
exit;
}
if(isset($_GET['refresh'])) {
if (isset($_SESSION[$settings['session_prefix'].'usersettings']['newtime'])) {
$_SESSION[$settings['session_prefix'].'usersettings']['newtime'] = TIMESTAMP;
}
setcookie($settings['session_prefix'].'last_visit', TIMESTAMP.".".TIMESTAMP, TIMESTAMP + (3600 * 24 * $settings['cookie_validity_days']));
setcookie($settings['session_prefix'].'read', '', 0);
header('location: index.php?mode=index');
exit;
}
if (isset($_GET['show_spam']) && isset($_SESSION[$settings['session_prefix'].'user_id']) && $_SESSION[$settings['session_prefix'].'user_id'] > 0) {
if (isset($_SESSION[$settings['session_prefix'].'usersettings']['show_spam'])) unset($_SESSION[$settings['session_prefix'].'usersettings']['show_spam']);
else $_SESSION[$settings['session_prefix'].'usersettings']['show_spam'] = true;
header('location: index.php?mode=index');
exit;
}
// determine last visit:
if (empty($_SESSION[$settings['session_prefix'].'user_id']) && $settings['remember_last_visit'] == 1) {
if (isset($_COOKIE[$settings['session_prefix'].'last_visit'])) {
$c_last_visit = explode(".", $_COOKIE[$settings['session_prefix'].'last_visit']);
if (isset($c_last_visit[0])) $c_last_visit[0] = intval(trim($c_last_visit[0])); else $c_last_visit[0] = TIMESTAMP;
if (isset($c_last_visit[1])) $c_last_visit[1] = intval(trim($c_last_visit[1])); else $c_last_visit[1] = TIMESTAMP;
if ($c_last_visit[1] < (TIMESTAMP - 600)) {
$c_last_visit[0] = $c_last_visit[1];
$c_last_visit[1] = TIMESTAMP;
setcookie($settings['session_prefix'].'last_visit', $c_last_visit[0].".".$c_last_visit[1], TIMESTAMP + (3600 * 24 * $settings['cookie_validity_days']));
}
}
else setcookie($settings['session_prefix'].'last_visit', TIMESTAMP.".".TIMESTAMP, TIMESTAMP + (3600 * 24 * $settings['cookie_validity_days']));
}
if (isset($c_last_visit)) $last_visit = intval($c_last_visit[0]); else $last_visit = TIMESTAMP;
if (isset($_GET['category'])) {
$category = intval($_GET['category']);
$_SESSION[$settings['session_prefix'].'usersettings']['category'] = $category;
$_SESSION[$settings['session_prefix'].'usersettings']['page'] = 1;
}
if (isset($category_ids) && isset($_SESSION[$settings['session_prefix'].'usersettings']['category_selection'])) {
$category_selection = filter_category_selection($_SESSION[$settings['session_prefix'].'usersettings']['category_selection'], $category_ids);
if (!empty($category_selection)) $category_selection_query = implode(', ', $category_selection);
}
// show spam?
$display_spam_query_and = ' AND spam = 0';
$display_spam_query_where = ' WHERE spam = 0';
if (isset($_SESSION[$settings['session_prefix'].'usersettings']['show_spam'])) {
$display_spam_query_and = '';
$display_spam_query_where = '';
}
// count postings, threads, users and users online:
if ($categories == false) {
// no categories defined
$count_result = mysqli_query($connid, "SELECT COUNT(*) FROM ".$db_settings['forum_table']." WHERE pid = 0".$display_spam_query_and);
list($total_threads) = mysqli_fetch_row($count_result);
mysqli_free_result($count_result);
$count_result = mysqli_query($connid, "SELECT COUNT(*) FROM ".$db_settings['forum_table'].$display_spam_query_where);
list($total_postings) = mysqli_fetch_row($count_result);
mysqli_free_result($count_result);
} else {
// there are categories
$count_result = mysqli_query($connid, "SELECT COUNT(*) FROM ".$db_settings['forum_table']." WHERE pid = 0".$display_spam_query_and." AND category IN (".$category_ids_query.")");
list($total_threads) = mysqli_fetch_row($count_result);
mysqli_free_result($count_result);
$count_result = mysqli_query($connid, "SELECT COUNT(*) FROM ".$db_settings['forum_table']." WHERE category IN (".$category_ids_query.")".$display_spam_query_and);
list($total_postings) = mysqli_fetch_row($count_result);
mysqli_free_result($count_result);
}
// count spam:
$count_spam_result = mysqli_query($connid, "SELECT COUNT(*) FROM ".$db_settings['forum_table']." WHERE spam = 1");
list($total_spam) = mysqli_fetch_row($count_spam_result);
mysqli_free_result($count_spam_result);
$count_result = mysqli_query($connid, "SELECT COUNT(*) FROM ".$db_settings['userdata_table']." WHERE activate_code = ''");
list($registered_users) = mysqli_fetch_row($count_result);
if ($settings['count_users_online'] > 0) {
user_online($settings['count_users_online']);
$count_result = mysqli_query($connid, "SELECT COUNT(*) FROM ".$db_settings['useronline_table']." WHERE user_id > 0");
list($registered_users_online) = mysqli_fetch_row($count_result);
$count_result = mysqli_query($connid, "SELECT COUNT(*) FROM ".$db_settings['useronline_table']." WHERE user_id = 0");
list($unregistered_users_online) = mysqli_fetch_row($count_result);
$total_users_online = $unregistered_users_online + $registered_users_online;
}
mysqli_free_result($count_result);
if (isset($settings['time_difference'])) $time_difference = intval($settings['time_difference']);
else $time_difference = 0;
if (isset($_SESSION[$settings['session_prefix'].'usersettings']['time_difference'])) $time_difference = $_SESSION[$settings['session_prefix'].'usersettings']['time_difference'] + $time_difference;
// page menu:
if (isset($_SESSION[$settings['session_prefix'].'user_id'])) $menu_result = @mysqli_query($connid, "SELECT id, menu_linkname FROM ".$db_settings['pages_table']." WHERE menu_linkname != '' ORDER BY order_id ASC") or raise_error('database_error', mysqli_error($connid));
else $menu_result = @mysqli_query($connid, "SELECT id, menu_linkname FROM ".$db_settings['pages_table']." WHERE menu_linkname != '' AND access = 0 ORDER BY order_id ASC") or raise_error('database_error', mysqli_error($connid));
if (mysqli_num_rows($menu_result) > 0) {
$i = 0;
while ($pages_data = mysqli_fetch_array($menu_result)) {
$menu[$i]['id'] = $pages_data['id'];
$menu[$i]['linkname'] = $pages_data['menu_linkname'];
$i++;
}
}
mysqli_free_result($menu_result);
?>
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