<?php

/**
 *  PHP Mikrotik Billing (https://github.com/hotspotbilling/phpnuxbill/)
 *  by https://t.me/ibnux
 *
 * This File is for API Access
 **/


if ($_SERVER['REQUEST_METHOD'] === "OPTIONS" || $_SERVER['REQUEST_METHOD'] === "HEAD") {
    header('Access-Control-Allow-Origin: *');
    header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Access-Control-Request-Method, Access-Control-Request-Headers, Authorization");
    header("HTTP/1.1 200 OK");
    die();
}

include "../init.php";

$isApi = true;

// Dummy Class
$ui = new class($key)
{
    var $assign = [];
    function display($key)
    {
    }
    function assign($key, $value)
    {
        $this->assign[$key] = $value;
    }

    function get($key, )
    {
        if(isset($this->assign[$key])){
            return $this->assign[$key];
        }
        return '';
    }
};

$req = _get('r');
# a/c.id.time.md5
# md5(a/c.id.time.$api_secret)
$token = _get('token');
$routes = explode('/', $req);
$handler = $routes[0];

if(empty($token)){
    showResult(false, Lang::T("Token is invalid"));
}

if($token == $config['api_key']){
    $admin = ORM::for_table('tbl_users')->where('user_type','SuperAdmin')->find_one($id);
    if(empty($admin)){
        $admin = ORM::for_table('tbl_users')->where('user_type','Admin')->find_one($id);
        if(empty($admin)){
            showResult(false, Lang::T("Token is invalid"));
        }
    }
}else{
    # validate token
    list($tipe, $uid, $time, $md5) = explode('.', $token);
    if ($md5 != md5($uid . '.' . $time . '.' . $api_secret)) {
        showResult(false, Lang::T("Token is invalid"));
    }

    #cek token expiration
    if ($time != 0 && time() > $time) {
        showResult(false, Lang::T("Token Expired"), [], ['login' => true]);
    }

    if($tipe=='a'){
        $_SESSION['aid'] = $uid;
    }else if($tipe=='c'){
        $_SESSION['uid'] = $uid;
    }else{
        showResult(false, Lang::T("Unknown Token"), [], ['login' => true]);
    }
}

if(!isset($handler) || empty($handler)){
    showResult(true, Lang::T("Token is valid"));
}


if($handler == 'isValid'){
    showResult(true, Lang::T("Token is valid"));
}

function showResult($success, $message = '', $result = [], $meta = [])
{
    header("Content-Type: Application/json; charset=utf-8");
    die(json_encode(array('success' => $success, 'message' => $message, 'result' => $result, 'meta' => $meta)));
}

try {
    $sys_render = File::pathFixer($root_path.'system/controllers/' . $handler . '.php');
    if (file_exists($sys_render)) {
        include($sys_render);
    }else{
        showResult(false, Lang::T('Command not found'));
    }
} catch (Exception $e) {
    showResult(false, $e->getMessage());
}