<?php
/*=======================================================================
| UberCMS - Advanced Website and Content Management System for uberEmu
| #######################################################################
| Copyright (c) 2010, Roy 'Meth0d'
| http://www.meth0d.org
| #######################################################################
| This program is free software: you can redistribute it and/or modify
| it under the terms of the GNU General Public License as published by
| the Free Software Foundation, either version 3 of the License, or
| (at your option) any later version.
| #######################################################################
| This program is distributed in the hope that it will be useful,
| but WITHOUT ANY WARRANTY; without even the implied warranty of
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
| GNU General Public License for more details.
\======================================================================*/

class uberCore
{
    public $config;
    public $execStart;

    public function __construct()
    {
        $this->execStart = microtime(true);
    }

    public static function CheckBetaKey($keyCode)
    {
        return (mysql_num_rows(dbquery("SELECT null FROM betakeys WHERE keyc = '" . filter($keyCode) . "' AND qty > 0 LIMIT 1")) > 0) ? true : false;
    }

    public static function EatBetaKey($keyCode)
    {
        dbquery("UPDATE betakeys SET qty = qty - 1 WHERE keyc = '" . filter($keyCode) . "' LIMIT 1");
    }

    public static function CheckCookies()
    {
        if (LOGGED_IN)
        {
            return;
        }

        if (isset($_COOKIE['rememberme']) && $_COOKIE['rememberme'] == "true" && isset($_COOKIE['rememberme_token']) && isset($_COOKIE['rememberme_name']))
        {
            $name = filter($_COOKIE['rememberme_name']);
            $token = filter($_COOKIE['rememberme_token']);
            $find = dbquery("SELECT id,username FROM users WHERE username = '" . $name . "' AND password = '" . $token . "' LIMIT 1");

            if (mysql_num_rows($find) > 0)
            {
                $data = mysql_fetch_assoc($find);

                $_SESSION['UBER_USER_N'] = $data['username'];
                $_SESSION['UBER_USER_H'] = $token;
                $_SESSION['set_cookies'] = true; // renew cookies

                header("Location: " . WWW . "/security_check");
                exit;
            }
        }
    }

    public static function FormatDate()
    {
        return date('j F Y, h:i:s A');
    }

    public function UberHash($input = '')
    {
        return md5($input);
    }

    public static function GenerateTicket($seed = '')
    {
        $ticket = "ST-";
        $ticket .= sha1($seed . 'Uber' . rand(118,283));
        $ticket .= '-' . rand(100, 255);
        $ticket .= '-uber-fe' . rand(0, 5);

        return $ticket;
    }

    public static function FilterInputString($strInput = '')
    {
        return mysql_real_escape_string(stripslashes(trim($strInput)));
    }

    public static function FilterSpecialChars($strInput, $allowLB = false)
    {
        $strInput = str_replace(chr(1), ' ', $strInput);
        $strInput = str_replace(chr(2), ' ', $strInput);
        $strInput = str_replace(chr(3), ' ', $strInput);
        $strInput = str_replace(chr(9), ' ', $strInput);

        if (!$allowLB)
        {
            $strInput = str_replace(chr(13), ' ', $strInput);
        }

        return $strInput;
    }

    public static function CleanStringForOutput($strInput = '', $ignoreHtml = false, $nl2br = false)
    {
        $strInput = stripslashes(trim($strInput));

        if (!$ignoreHtml)
        {
            $strInput = htmlentities($strInput);
        }

        if ($nl2br)
        {
            $strInput = nl2br($strInput);
        }

        return $strInput;
    }

    public static function SystemError($title, $text)
    {
        echo '<div style="width: 80%; padding: 15px 15px 15px 15px; margin: 50px auto; background-color: #F6CECE; font-family: arial; font-size: 12px; color: #000000; border: 1px solid #FF0000;">';
        echo '<img src="' . WWW . '/images/error.png" style="float: left;" title="Error">&nbsp;';
        echo '<b>' . $title. '</b><br />';
        echo '&nbsp;' . $text;
        echo '<hr size="1" style="width: 100%; margin: 15px 0px 15px 0px;" />';
        echo 'Script execution was aborted. We apoligize for the possible inconvenience. If this problem is persistant, please contact an Administrator.';
        echo '</div><center style="font-family: arial; font-size: 10px;">Powered by <a href="http://www.uberemu.info">uberEmu</a> - Copyright &copy 2009-2010, <a href="http://www.meth0d.org">Meth0d dot org</a>.</center>';
        exit;
    }

    public function ParseConfig()
    {
        $configPath = INCLUDES . 'inc.config.php';

        if (!file_exists($configPath))
        {
            $this->systemError('Configuration Error', 'The configuration file could not be located at ' . $configPath);
        }

        require_once $configPath;

        if (!isset($config) || count($config) < 2)
        {
            $this->systemError('Configuration Error', 'The configuration file was located, but is in an invalid format. Data is missing or in the wrong format.');
        }

        $this->config = $config;

        define('WWW', $this->config['Site']['www']);
    }

    public static function GetSystemStatusString($statsFig)
    {
        switch (uberCore::getSystemStatus())
        {
            case 2:
            case 0:

                return "0 Vizion's online!";

            case 1:

                if (!$statsFig)
                {
                    return uberCore::GetUsersOnline() . ' Vizion(s) online!';
                }
                else
                {
                    return '<span class="stats-fig">' . uberCore::GetUsersOnline() . '</span> user(s) online!';
                }

            default:

                return "Unknown";
        }
    }

    public static function GetSystemStatus()
    {
        return intval(mysql_result(dbquery("SELECT status FROM server_status LIMIT 1"), 0));
    }

    public static function GetUsersOnline()
    {
        return intval(mysql_result(dbquery("SELECT count(*) FROM `users` WHERE `online` = '1'"), 0));
    }

    public static function GetMaintenanceStatus()
    {
        return mysql_result(dbquery("SELECT maintenance FROM site_config LIMIT 1"), 0);
    }

    public static function GetWebBuild()
    {
        return mysql_result(dbquery("SELECT web_build FROM site_config LIMIT 1"), 0);
    }

    public function Mus($header, $data = '')
    {
        if ($this->config['MUS']['enabled'] == false || $this->getSystemStatus() == "0")
        {
            return;
        }

        $musData = $header . chr(1) . $data;

        $sock = @socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp'));
        @socket_connect($sock, $this->config['MUS']['ip'], intval($this->config['MUS']['port']));
        @socket_send($sock, $musData, strlen($musData), MSG_DONTROUTE);
        @socket_close($sock);
    }

    public static function AddBan($type, $value, $reason, $expireTime, $addedBy, $blockAppeal)
    {
        dbquery("INSERT INTO bans (id,bantype,value,reason,expire,added_by,added_date,appeal_state) VALUES (NULL,'" . $type . "','" . $value . "','" . $reason . "','" . $expireTime . "','" . $addedBy . "','" . date('d/m/Y H:i') . "','" . (($blockAppeal) ? '0' : '1') . "')");
    }
}

?>