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<?php

/**

 * Sngine updater

 * 

 * @package Sngine

 * @author Zamblek

 */



// set system version

define('SYS_VER', '2.5.8');





// set absolut & base path

define('ABSPATH',dirname(__FILE__).'/');

define('BASEPATH',dirname($_SERVER['PHP_SELF']));





// check the config file

if(!file_exists(ABSPATH.'includes/config.php')) {

    /* the config file doesn't exist -> start the installer */

    header('Location: ./install');

}





// get system configurations

require_once(ABSPATH.'includes/config.php');





// enviroment settings

if(DEBUGGING) {

    ini_set("display_errors", true);

    error_reporting(E_ALL ^ E_NOTICE);

} else {

    ini_set("display_errors", false);

    error_reporting(0);

}





// get functions

require_once(ABSPATH.'includes/functions.php');





// connect to the database

$db = new mysqli(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);

$db->set_charset('utf8');

if(mysqli_connect_error()) {

    _error(DB_ERROR);

}





// install

if(isset($_POST['submit'])) {



    // [1] check valid purchase code

    /* get licence key */

    try {

        $licence_key = get_licence_key($_POST['purchase_code']);

        if(is_empty($_POST['purchase_code']) || $licence_key === false) {

            _error("Error", "Please enter a valid purchase code");

        }

        /* update session hash for AJAX CSRF security */

        $session_hash = $licence_key;

    } catch (Exception $e) {

        _error("Error", $e->getMessage());

    }

    

    

    // [2] update the sngine tables

    $structure = "



ALTER TABLE `users` DROP INDEX `google_id`;



ALTER TABLE `system_options`

  DROP COLUMN `google_login_enabled`

  , DROP COLUMN `google_appid`

  , DROP COLUMN `google_secret`

  , DROP COLUMN `css_menu_background`

  , ADD COLUMN `system_theme_night_on` enum('0','1') NOT NULL DEFAULT '0'

  , ADD COLUMN `system_theme_mode_select` enum('0','1') NOT NULL DEFAULT '1';



ALTER TABLE `users`

  DROP COLUMN `google_connected`

  , DROP COLUMN `google_id`

  , ADD COLUMN `chat_sound` enum('0','1') NOT NULL DEFAULT '1';



";



    $db->multi_query($structure) or _error("Error", $db->error);

    // flush multi_queries

    do{} while(mysqli_more_results($db) && mysqli_next_result($db));



    // update system settings

    $db->query(sprintf("UPDATE system_options SET session_hash = %s", secure($session_hash) )) or _error("Error", $db->error);



    // create config file

    $config_string = '<?php  

    define("DB_NAME", "'.DB_NAME. '");

    define("DB_USER", "'.DB_USER. '");

    define("DB_PASSWORD", "'.DB_PASSWORD. '");

    define("DB_HOST", "'.DB_HOST. '");

    define("SYS_URL", "'. get_system_url(). '");

    define("DEBUGGING", false);

    define("DEFAULT_LOCALE", "en_us");

    define("LICENCE_KEY", "'. $licence_key. '");

    ?>';

    

    $config_file = 'includes/config.php';

    $handle = fopen($config_file, 'w') or _error("System Error", "Cannot create the config file");

    

    fwrite($handle, $config_string);

    fclose($handle);



    // Done

    _error("System Updated", "Sngine has been updated to ".SYS_VER);

}



?>



<!DOCTYPE html>

<html>

    <head>

        <meta charset="UTF-8" />

        <meta http-equiv="X-UA-Compatible" content="IE=edge"> 

        <meta name="viewport" content="width=device-width, initial-scale=1"> 

        

        <title>Sngine (<?php echo SYS_VER ?>) &rsaquo; Update</title>

        

        <link rel="stylesheet" type="text/css" href="includes/assets/js/sngine/installer/installer.css" />

        <script src="includes/assets/js/sngine/installer/modernizr.custom.js"></script>

    </head>



    <body>

        

        <div class="container">



            <div class="fs-form-wrap" id="fs-form-wrap">

                

                <div class="fs-title">

                    <h1>Sngine (<?php echo SYS_VER ?>) Update</h1>

                </div>

                

                <form id="myform" class="fs-form fs-form-full" autocomplete="off" action="update.php" method="post">

                    <ol class="fs-fields">



                        <li>

                            <p class="fs-field-label fs-anim-upper">

                                Welcome to <strong>Sngine</strong> updating process! Just fill in the information below.

                            </p>

                        </li>



                        <li>

                            <label class="fs-field-label fs-anim-upper" for="purchase_code" data-info="The purchase code of Sngine">Purchase Code</label>

                            <input class="fs-anim-lower" id="purchase_code" name="purchase_code" type="text" placeholder="xxx-xx-xxxx" required/>

                        </li>



                    </ol>

                    <button class="fs-submit" name="submit" type="submit">Update</button>

                </form>



            </div>



        </div>

        

        <script src="includes/assets/js/sngine/installer/classie.js"></script>

        <script src="includes/assets/js/sngine/installer/fullscreenForm.js"></script>

        <script>

            (function() {

                var formWrap = document.getElementById( 'fs-form-wrap' );

                new FForm( formWrap, {

                    onReview : function() {

                        classie.add( document.body, 'overview' );

                    }

                } );

            })();

        </script>



    </body>

</html>