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index.php
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<?php
/**
* PHP Version 5 and above
*
* Main script
*
* @category PHP_Chat
* @package PHP_Atomchat
* @author P H Claus <[email protected]>
* @copyright 2015 - 2019 P H Claus
* @license https://www.gnu.org/licenses/gpl-3.0.en.html GPLv3
* @version GIT: Latest
* @link https://github.com/phhpro/atomchat
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
$ver = "20190322";
/**
***********************************************************************
* First Run *
***********************************************************************
*/
if (isset($run) && $run < 1) {
echo "FATAL: Cannot write configuration! Script halted.";
}
/**
***********************************************************************
* Default Config *
***********************************************************************
*/
$cfg_dat = "./config.php";
//** Static
$cfg_txt = "<?php\n" .
"//** Generated by Atomchat v$ver " . date('c') . "\n" .
"\$lang=\"lang\";\n" .
"\$theme=\"theme\";\n" .
"\$tmp=\"tmp\";\n" .
"\$log=\"./\$tmp/atomchat_\".date('Y-m-d').\".html\";\n" .
"\$emo_dat=\"emo.dat\";\n" .
"\$dt=date('Y-m-d H:i');\n";
//** Dynamic with pre-filled defaults -- editable on superuser screen
if (!is_file($cfg_dat)) {
$cfg_txt .= "\$su_pfx=\"atom\";\n" .
"\$su_sfx=\"chat\";\n" .
"\$page=\"PHP Atomchat\";\n" .
"\$meta_d=\"PHP Atomchat Demo\";\n" .
"\$meta_k=\"PHP Atomchat Demo\";\n" .
"\$lc=\"en\";\n" .
"\$th=\"light\";\n" .
"\$th_m=1;\n" .
"\$at=0;\n" .
"\$at_val=\"chat\";\n" .
"\$char=512;\n" .
"\$emo=1;\n" .
"\$out=0;\n" .
"\$out_max=15;\n" .
"\$rate=15;\n" .
"\$rn_max=900;\n" .
"\$rn_min=100;\n" .
"\$up=1;\n" .
"\$up_max=1000000;\n" .
"\$tn=100;\n" .
"\$type=array('7z','aif','aiff','au','avi','bmp'," .
"'bz','bz2','doc','docx','gz','m4a','m4v','mid'," .
"'mov','mp3','mp4','mpeg','mpg','odt','oga','ogg'," .
"'ogv','pdf','qt','rar','svg','tgz','txt','wav'," .
"'xz','z','zip');\n" .
"\$rm=1;\n" .
"\$rm_max=1;\n";
file_put_contents($cfg_dat, $cfg_txt);
$run ++;
go('WELCOME');
}
/**
***********************************************************************
* Dependencies *
***********************************************************************
*/
require $cfg_dat;
if (!is_dir($lang)) {
$exit = "Missing language folder!";
} elseif ($up === 1 && !is_dir($tmp) && mkdir($tmp) === false) {
$exit = "Cannot create upload folder!";
} else {
if ($emo === 1 && is_file($emo_dat)) {
$emo_la = array();
} else {
$exit = "Missing emoji definition!";
}
}
if (isset($exit) && $exit !== "") {
echo "$exit Script halted.";
exit;
}
/**
***********************************************************************
* Basics *
***********************************************************************
*/
ob_start();
header_remove('X-Powered-By');
$lock = "./$tmp/su.lock";
$init = " <div class=\"item_log\">" .
"LOG INIT $dt</div>\n";
$cval = time() + (86400 * 30);
$query = $_SERVER['QUERY_STRING'];
$su = $su_pfx . $su_sfx;
$lc_ls = glob("$lang/*.php");
$th_ls = glob("$theme/*.css");
sort($lc_ls);
sort($th_ls);
sort($type);
/**
***********************************************************************
* Credits *
***********************************************************************
*/
$cr = " <ul>\n" .
" <li>earabic\n" .
" <ul>\n" .
" <li>" .
"Fixes Arabic translation</li>\n" .
" </ul>\n" .
" </li>\n" .
" <li>geany.org\n" .
" <ul>\n" .
" <li>" .
"Excellent lightweight IDE</li>\n" .
" </ul>\n" .
" </li>\n" .
" <li>github.com\n" .
" <ul>\n" .
" <li>" .
"Source repository</li>\n" .
" </ul>\n" .
" </li>\n" .
" <li>schouten.io\n" .
" <ul>\n" .
" <li>" .
"Initial Dutch translation</li>\n" .
" </ul>\n" .
" </li>\n" .
" <li>stackoverflow.com\n" .
" <ul>\n" .
" <li>" .
"Inspiriation</li>\n" .
" </ul>\n" .
" </li>\n" .
" <li>translate.google.com\n" .
" <ul>\n" .
" <li>" .
"Machine translation</li>\n" .
" </ul>\n" .
" </li>\n" .
" </ul>\n" .
" <p>et al</p>\n";
/**
***********************************************************************
* Delete old files *
***********************************************************************
*/
if ($rm === 1) {
$rm_now = 60 * 60 * 24 * $rm_max;
foreach (new DirectoryIterator($tmp) as $item) {
if ($item -> isDot()) {
continue;
}
if ($item -> isFile()
&& time() - $item -> getMTime() >= $rm_now
) {
unlink($item -> getRealPath());
}
}
unset($item);
}
/**
***********************************************************************
* Functions *
***********************************************************************
*/
if (get_cfg_var('session.use_strict_mode') !== 1) {
ini_set('session.use_strict_mode', 1);
}
/**
* Function sessionstat()
*
* @return bool session status
*/
function sessionstat()
{
if (php_sapi_name() !== 'cli'
&& version_compare(phpversion(), '5.4.0', '>=')
) {
return session_status()
=== PHP_SESSION_ACTIVE ? true : false;
} else {
return session_id() === '' ? false : true;
}
return false;
}
if (sessionstat() === false && !session_start()) {
echo "Cannot create session! Script halted.";
exit;
} else {
session_start();
}
/**
* Function b64()
*
* @param string $src source
*
* @return string data blob
*/
function b64($src)
{
$ext = pathinfo($src, PATHINFO_EXTENSION);
$get = file_get_contents($src);
$str = "\"\ndata:image/" . $ext .
";base64," . base64_encode($get) . "\" ";
return $str;
}
$b64 = array('gif', 'jpeg', 'jpg', 'png');
/**
* Function go()
*
* @param string $tag target
*
* @return string hashtag reference
*/
function go($tag)
{
global $host;
if (!empty($tag)) {
$tag = "#$tag";
} else {
$tag = "";
}
header("Location: $host$tag");
exit;
}
/**
***********************************************************************
* URL *
***********************************************************************
*/
$pro = "";
if (isset($_SERVER['HTTPS']) && 'on' === $_SERVER['HTTPS']) {
$pro = "s";
}
if ($at === 1) {
$at_go = "?$at_val";
} else {
$at_go = "";
}
$host = "http$pro://" . $_SERVER['HTTP_HOST'] .
"/" . basename(getcwd()) . "/$at_go";
/**
***********************************************************************
* Log *
***********************************************************************
*/
if (!is_file($log)) {
file_put_contents($log, $init);
}
/**
***********************************************************************
* Language *
***********************************************************************
*/
/*
* Asian scripts in page language meta seem to break fonts, formatting,
* and colour emojis. Can't test on non-Asian system but hard-linking
* static Western locale fixes the issue.
*/
$lc_id = "en";
//** Try auto detect
if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
$lc_hal = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
$lc_usr = $lc_hal;
foreach ($lc_ls as $item) {
$item = str_replace("$lang/", "", $item);
$item = str_replace(".php", "", $item);
if (strpos($item, $lc_usr) === false) {
continue;
} else {
$lc_use = $lc_usr;
}
}
unset($item);
}
//** Select from settings screen
if (isset($_POST['language'])) {
$lc_use = htmlentities($_POST['lc_use'], ENT_QUOTES, 'UTF-8');
if ($lc_use !== "") {
if (isset($_COOKIE['ac_language'])) {
setcookie('ac_language', $lc_use, $cval, '/');
$_COOKIE['ac_language'] = $lc_use;
$lc_use = $_COOKIE['ac_language'];
} else {
$_SESSION['ac_language'] = $lc_use;
$lc_use = $_SESSION['ac_language'];
}
} else {
go('EMPTY_SELECT');
}
}
//** Link language value
if (isset($_COOKIE['ac_language'])) {
$lc_use = $_COOKIE['ac_language'];
} elseif (isset($_SESSION['ac_language'])) {
$lc_use = $_SESSION['ac_language'];
} elseif ($lc_use !== "") {
$lc_use = $lc_use;
} else {
$lc_use = $lc;
}
$lc_dat = "./" . $lang . "/" . $lc_use . ".php";
if (is_file($lc_dat)) {
include $lc_dat;
} else {
//** File removed -- try default
if (isset($_COOKIE['ac_language'])) {
setcookie('ac_language', $lc, $cval, '/');
$lc = $_COOKIE['ac_language'];
$_COOKIE['ac_language'] = $lc;
} else {
$_SESSION['ac_language'] = $lc;
$lc = $_SESSION['ac_language'];
}
include "./" . $lang . "/" . $lc . ".php";
echo "<p>The requested file is no longer available!</p>\n" .
"<p><a href=\"$host\" title=\"Click here to try default " .
"settings\">Click here to try default settings.</a></p>\n" .
"<p>If that fails, and you know how to contact the site " .
"owner, now would be a good moment.</p>";
exit;
}
/**
***********************************************************************
* Select theme from settings screen *
***********************************************************************
*/
if (isset($_POST['theme'])) {
$th_use = htmlentities($_POST['th_use'], ENT_QUOTES, 'UTF-8');
if ($th_use !== "") {
if (isset($_COOKIE['ac_theme'])) {
setcookie('ac_theme', $th_use, $cval, '/');
$_COOKIE['ac_theme'] = $th_use;
$th_use = $_COOKIE['ac_theme'];
} else {
$_SESSION['ac_theme'] = $th_use;
$th_use = $_SESSION['ac_theme'];
}
} else {
go('EMPTY_SELECT');
}
} else {
if (isset($_COOKIE['ac_theme'])) {
$th_use = $_COOKIE['ac_theme'];
} elseif (isset($_SESSION['ac_theme'])) {
$th_use = $_SESSION['ac_theme'];
} else {
$th_use = $th;
}
}
$th_dat = $theme . "/" . $th_use . ".css";
/**
***********************************************************************
* Save Log *
***********************************************************************
*/
if (isset($_POST['save'])) {
$sav = str_replace("./$tmp/", "", $log);
$sav = str_replace(".html", ".tmp", $sav);
copy($log, $sav);
$txt = "<!DOCTYPE html>\n" .
"<html lang=\"$lc_id\">\n" .
" <head>\n" .
" <title>$sav</title>\n" .
" <meta charset=\"UTF-8\"/>\n" .
" <meta name=\"language\" " .
"content=\"$lc_id\"/>\n" .
" <meta name=\"viewport\" " .
"content=\"width=device-width, " .
"height=device-height, initial-scale=1\"/>\n" .
" </head>\n" .
" <body>\n" .
file_get_contents($sav) .
" </body>\n" .
"</html>\n";
file_put_contents($sav, $txt);
header('Content-type: text/html');
header(
'Content-Disposition: attachment; filename="' . $sav . '"'
);
readfile($sav);
unlink($sav);
exit;
}
/**
***********************************************************************
* Update config from superuser screen *
***********************************************************************
*/
if (isset($_POST['update'])) {
$su_pfx_new
= htmlentities($_POST['su_pfx'], ENT_QUOTES, 'UTF-8');
$su_sfx_new
= htmlentities($_POST['su_sfx'], ENT_QUOTES, 'UTF-8');
$page_new
= htmlentities($_POST['page'], ENT_QUOTES, 'UTF-8');
$meta_d_new
= htmlentities($_POST['meta_d'], ENT_QUOTES, 'UTF-8');
$meta_k_new
= htmlentities($_POST['meta_k'], ENT_QUOTES, 'UTF-8');
$lc_new
= htmlentities($_POST['lc'], ENT_QUOTES, 'UTF-8');
$th_new
= htmlentities($_POST['th'], ENT_QUOTES, 'UTF-8');
$th_m_new
= htmlentities($_POST['th_m'], ENT_QUOTES, 'UTF-8');
$at_new
= htmlentities($_POST['at'], ENT_QUOTES, 'UTF-8');
$at_val_new
= htmlentities($_POST['at_val'], ENT_QUOTES, 'UTF-8');
$char_new
= htmlentities($_POST['char'], ENT_QUOTES, 'UTF-8');
$emo_new
= htmlentities($_POST['emo'], ENT_QUOTES, 'UTF-8');
$rate_new
= htmlentities($_POST['rate'], ENT_QUOTES, 'UTF-8');
$out_new
= htmlentities($_POST['out'], ENT_QUOTES, 'UTF-8');
$out_max_new
= htmlentities($_POST['out_max'], ENT_QUOTES, 'UTF-8');
$rn_max_new
= htmlentities($_POST['rn_max'], ENT_QUOTES, 'UTF-8');
$rn_min_new
= htmlentities($_POST['rn_min'], ENT_QUOTES, 'UTF-8');
$up_new
= htmlentities($_POST['up'], ENT_QUOTES, 'UTF-8');
$up_max_new
= htmlentities($_POST['up_max'], ENT_QUOTES, 'UTF-8');
$rm_new
= htmlentities($_POST['rm'], ENT_QUOTES, 'UTF-8');
$rm_max_new
= htmlentities($_POST['rm_max'], ENT_QUOTES, 'UTF-8');
$tn_new
= htmlentities($_POST['tn'], ENT_QUOTES, 'UTF-8');
$type_del
= htmlentities($_POST['type_del'], ENT_QUOTES, 'UTF-8');
$type_add
= htmlentities($_POST['type_add'], ENT_QUOTES, 'UTF-8');
//** Prefix
if ($su_pfx_new !== "") {
$su_pfx_new = $su_pfx_new;
} else {
$su_pfx_new = $su_pfx;
}
//** Suffix
if ($su_sfx_new !== "") {
$su_sfx_new = $su_sfx_new;
} else {
$su_sfx_new = $su_sfx;
}
//** Page title
if ($page_new !== "") {
$page_new = $page_new;
} else {
$page_new = $page;
}
//** META description
if ($meta_d_new !== "") {
$meta_d_new = $meta_d_new;
} else {
$meta_d_new = $meta_d;
}
//** META keywords
if ($meta_k_new !== "") {
$meta_k_new = $meta_k_new;
} else {
$meta_k_new = $meta_k;
}
//** Language
if ($lc_new !== "") {
$lc_new = $lc_new;
} else {
$lc_new = $lc;
}
//** Theme
if ($th_new !== "") {
$th_new = $th_new;
} else {
$th_new = $th;
}
//** Theme multi
if ($th_m_new !== "") {
$th_m_new = 1;
} else {
$th_m_new = 0;
}
//** Access token
if ($at_new !== "") {
$at_new = 1;
} else {
$at_new = 0;
}
//** Access token value
if ($at_val_new !== "") {
$at_val_new = $at_val_new;
} else {
$at_val_new = $at_val;
}
//** Characters max per post
if ($char_new !== "") {
$char_new = $char_new;
} else {
$char_new = $char;
}
//** Emoji auto conversion
if ($emo_new !== "") {
$emo_new = 1;
} else {
$emo_new = 0;
}
//** Refresh rate
if ($rate_new !== "") {
$rate_new = $rate_new;
} else {
$rate_new = $rate;
}
//** Timeout
if ($out_new !== "") {
$out_new = 1;
} else {
$out_new = 0;
}
//** Timeout max
if ($out_max_new !== "") {
$out_max_new = $out_max_new;
} else {
$out_max_new = $out_max;
}
//** Random max
if ($rn_max_new !== "") {
$rn_max_new = $rn_max_new;
} else {
$rn_max_new = $rn_max;
}
//** Random min
if ($rn_min_new !== "") {
$rn_min_new = $rn_min_new;
} else {
$rn_min_new = $rn_min;
}
//** Uploads
if ($up_new !== "") {
$up_new = 1;
} else {
$up_new = 0;
}
//** Uploads max size
if ($up_max_new !== "") {
$up_max_new = $up_max_new;
} else {
$up_max_new = $up_max;
}
//** Type delete
if ($type_del !== "") {
$type = array_diff($type, array($type_del));
}
//** Type add
if ($type_add !== "") {
$type[] = $type_add;
}
//** Thumbnail max w/h
if ($tn_new !== "") {
$tn_new = $tn_new;
} else {
$tn_new = $tn;
}
//** Auto remove old files
if (!$rm_new !== "") {
$rm_new = 1;
} else {
$rm_new = 0;
}
//** Days to keep files
if ($rm_max_new !== "") {
$rm_max_new = $rm_max_new;
} else {
$rm_max_new = $rm_max;
}
//** Update config
$type_new = implode(",", $type);
$type_new = str_replace(",", "','", $type_new);
$cfg_txt .= "\$su_pfx=\"$su_pfx_new\";\n" .
"\$su_sfx=\"$su_sfx_new\";\n" .
"\$page=\"$page_new\";\n" .
"\$meta_d=\"$meta_d_new\";\n" .
"\$meta_k=\"$meta_k_new\";\n" .
"\$lc=\"$lc_new\";\n" .
"\$th=\"$th_new\";\n" .
"\$th_m=$th_m_new;\n" .
"\$at=$at_new;\n" .
"\$at_val=\"$at_val_new\";\n" .
"\$char=$char_new;\n" .
"\$emo=$emo_new;\n" .
"\$rate=$rate_new;\n" .
"\$out=$out_new;\n" .
"\$out_max=$out_max_new;\n" .
"\$rn_max=$rn_max_new;\n" .
"\$rn_min=$rn_min_new;\n" .
"\$up=$up_new;\n" .
"\$up_max=$up_max_new;\n" .
"\$type=array('$type_new');\n" .
"\$tn=$tn_new;\n" .
"\$rm=$rm_new;\n" .
"\$rm_max=$rm_max_new;\n";
file_put_contents($cfg_dat, $cfg_txt);
go('CONF_UPDATE');
}
//** Reset log
if (isset($_POST['reset'])) {
unlink($log);
file_put_contents($log, $init);
go('LOG_RESET');
}
/**
***********************************************************************
* Post message *
***********************************************************************
*/
$ok = 0;
if (isset($_POST['post'])) {
$name = htmlentities($_POST['name'], ENT_QUOTES, 'UTF-8');
$text = htmlentities($_POST['text'], ENT_QUOTES, 'UTF-8');
if ($text !== "") {
$_SESSION['ac_text'] = $text;
$text = wordwrap($text, 68);
$ok = 1;
if ($emo === 1) {
$emo_fh = fopen($emo_dat, 'r');
while (!feof($emo_fh)) {
$emo_ln = fgets($emo_fh);
$emo_ln = trim($emo_ln);
$emo_ln = explode("|", $emo_ln);
$emo_la[] = $emo_ln;
if (stripos($text, $emo_ln[0]) !== false) {
$text = trim(
str_replace(
$emo_ln[0],
"<span class=\"emo\">" .
$emo_ln[1] . "</span>",
$text
)
);
}
}
fclose($emo_fh);
}
}
if ($up === 1) {
if (!empty($_FILES['file']['name'])) {
$up_fh = basename($_FILES['file']['name']);
$up_tmp = $_FILES['file']['tmp_name'];
$up_img = getimagesize($_FILES['file']['tmp_name']);
$up_sz = $_FILES['file']['size'];
$up_to = $tmp . "/" . $up_fh;
$up_xt = strtolower(pathinfo($up_to, PATHINFO_EXTENSION));
$up_rn = mt_rand() . "." . $up_xt;
$up_sav = str_replace($up_fh, $up_rn, $up_to);
$up_url = $host . $up_sav;
if ($up_sz > $up_max) {
go('BAD_FILESIZE');
} else {
if (move_uploaded_file(
$_FILES['file']['tmp_name'], $up_to
) && copy($up_to, $up_sav)
) {
$ok = 1;
} else {
go('WRITE_ERROR');
}
unlink($up_to);
}
if (in_array($up_xt, $b64)) {
if (empty($up_img)) {
go('INVALID_IMAGE');
} else {
$up_ico = "tn_" . basename($up_sav);
copy($up_sav, $up_ico);
if ($up_xt === "jpeg" || $up_xt === "jpg") {
$up_src = imagecreatefromjpeg($up_ico);
} elseif ($up_xt === "png") {
$up_src = imagecreatefrompng($up_ico);
} elseif ($up_xt === "gif") {
$up_src = imagecreatefromgif($up_ico);
} else {
go('NOT_SUPPORTED');
}
$up_iw = imagesx($up_src);
$up_ih = imagesy($up_src);
$up_wh = min($tn / $up_iw, $tn / $up_ih);
$up_tw = ceil($up_wh * $up_iw);
$up_th = ceil($up_wh * $up_ih);
$up_tn = imagecreatetruecolor($up_tw, $up_th);
imagecopyresampled(
$up_tn, $up_src,
0, 0, 0, 0,
$up_tw, $up_th, $up_iw, $up_ih
);
if ($up_xt === "jpeg" || $up_xt === "jpg") {
imagejpeg($up_tn, $up_ico, 60);
} elseif ($up_xt === "png") {
imagepng($up_ico);
} else {
imagegif($up_ico);
}
$up_link = "<br/><a href=\"$up_url\" title=\"" .
$lc_str['open'] . "\"><img src=" .
chunk_split(b64($up_ico), 68) .
"width=\"$up_tw\" height=\"$up_th\" " .
"alt=\"\"/></a>";
imagedestroy($up_src);
imagedestroy($up_tn);
unlink($up_ico);
}
} elseif (in_array($up_xt, $type)) {
$up_link = "<a href=\"$up_url\" " .
"title=\"" . $lc_str['open'] . "\">" .
basename($up_sav) . "</a>";
} else {
go('BAD_TYPE');
}
}
}
if ($text !== "" && $up_link === "") {
$item = $text;
} elseif ($text !== "" && $up_link !== "") {
$item = $text . " " . $up_link;
} elseif ($text === "" && $up_link !== "") {
$item = $up_link;
} else {
$ok = 0;
}
if ($ok === 1) {
$id_t = "item_" . time();
$id_r = $id_t;
$item = " <div class=\"item\">\n" .
" <div class=\"item_head\">\n" .
" <span class=\"item_date\" " .
"title=\"" . $lc_str['copy'] . "\" onClick=\"" .
"selectID('$id_r');\">$dt</span> \n" .
" <span class=\"item_name\">" .
$_SESSION['ac_name'] . "</span>\n" .
" </div>\n" .
" <pre class=\"item_text\" " .
"id=\"$id_r\">$item</pre>\n" .
" </div>\n" .
" <hr/>\n";
$item .= file_get_contents($log);
file_put_contents($log, $item);
unset($_SESSION['ac_text']);
if ($out === 1) {
$_SESSION['ac_post'] = time();
}
go('POST');
} else {
go('EMPTY_POST');
}
}
/**
***********************************************************************
* Login *
***********************************************************************
*/
if (isset($_POST['login'])) {
$name = htmlentities($_POST['name'], ENT_QUOTES, 'UTF-8');
$perm = htmlentities($_POST['perm'], ENT_QUOTES, 'UTF-8');
if (!empty($perm)) {
$perm = 1;
} else {
$perm = 0;
}
if ($name === "") {
go('MISSING_NAME');
} else {
if ($name === $su) {
if (is_file($lock)) {
go('ALREADY_LOGGED_IN');
} else {
file_put_contents($lock, "1");
$_SESSION['ac_name'] = $su_pfx;
}
} else {
$_SESSION['ac_name']
= $name . "_" . mt_rand($rn_min, $rn_max);
}
$text = " <div class=\"item_log\">$dt " .
$_SESSION['ac_name'] . " LOGIN</div>\n";
if (is_file($log)) {
$text .= file_get_contents($log);
}
file_put_contents($log, $text);
if (!isset($_COOKIE['ac_cookie'])) {
if ($perm === 1) {
setcookie('ac_cookie', 'accept', $cval, '/');
if (count($_COOKIE) > 0) {
setcookie('ac_language', $lc, $cval, '/');
setcookie('ac_theme', $th, $cval, '/');
$_SESSION['ac_language'] = $_COOKIE['ac_language'];
$_SESSION['ac_theme'] = $_COOKIE['ac_theme'];
}
} else {
$_SESSION['ac_language'] = $lc;
$_SESSION['ac_theme'] = $th;
}
}
go('LOGIN');
}
}
/**
***********************************************************************
* Logout *
***********************************************************************
*/
$stat = 1;
if (isset($_SESSION['ac_post'])
&& time() - $_SESSION['ac_post'] >= 60 * $out_max
) {
$exit = "LOGOUT_INACTIVE";
} elseif (isset($_POST['quit'])) {
if ($_SESSION['ac_name'] = $su_pfx) {
if (is_file($lock)) {
unlink($lock);
}
}
$exit = "LOGOUT";
} else {
$stat = 0;
}
if ($stat === 1) {
$text = " <div class=\"item_log\">$dt " .
$_SESSION['ac_name'] . " $exit</div>\n" .
file_get_contents($log);
file_put_contents($log, $text);