<?php
/*
 *
 * @ This file is created by http://DeZender.Net
 * @ deZender (PHP5 Decoder for ionCube Encoder)
 *
 * @ Version		:	3.5.0.0
 * @ Author			:	DeZender
 * @ Release on		:	22.06.2018
 * @ Official site	:	http://DeZender.Net
 *
 */

$type = (!empty($_GET['gatepay']) ? $_GET['gatepay'] : '');
$action = (!empty($_GET['action']) ? $_GET['action'] : '');
$root_dir = $_SERVER['DOCUMENT_ROOT'];
$ketnoi = mysqli_connect($dbhost, $dbusername, $dbpassword, $dbname) or exit('Kiem tra lai thong tin mysql');
mysqli_set_charset($ketnoi, 'utf8');

try {
	$db = new PDO('mysql:host=localhost;dbname=' . $dbname, $dbusername, $dbpassword);
	$db->exec('set names utf8');
} catch (PDOException $e) {
	exit('Loi ket noi');
}

if (file_exists($root_dir . '/key_gatepay.txt')) {
	$getkey = fopen($root_dir . '/key_gatepay.txt', 'r');
	$key = fread($getkey, filesize($root_dir . '/key_gatepay.txt'));
	$data_send = array('key' => $key);
	$curl = curl_init();
	curl_setopt_array($curl, array(CURLOPT_URL => 'https://api.gatepay.vn/api/license/active-license', CURLOPT_RETURNTRANSFER => true, CURLOPT_ENCODING => '', CURLOPT_MAXREDIRS => 10, CURLOPT_TIMEOUT => 0, CURLOPT_FOLLOWLOCATION => true, CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, CURLOPT_CUSTOMREQUEST => 'POST', CURLOPT_POSTFIELDS => json_encode($data_send), CURLOPT_HTTPHEADER => array('Content-Type: application/json', 'Accept' => 'application/json')));
	$response = curl_exec($curl);
	curl_close($curl);
	$data = json_decode($response, true);

	if ($data['status'] == 200) {
		function get_rkey($length)
		{
			$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
			$size = strlen($chars);
			$str = '';

			for ($i = 0; $i < $length; $i++) {
				$str .= $chars[rand(0, $size - 1)];
			}

			return $str;
		}

		function encryptDecrypt($data, $key, $mode = 'ENCRYPT')
		{
			if (strlen($key) < 32) {
				$key = str_pad($key, 32, 'x');
			}

			$key = substr($key, 0, 32);
			$iv = pack('C*', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);

			if ($mode === 'ENCRYPT') {
				return base64_encode(openssl_encrypt($data, 'AES-256-CBC', $key, OPENSSL_RAW_DATA, $iv));
			}

			return openssl_decrypt(base64_decode($data), 'AES-256-CBC', $key, OPENSSL_RAW_DATA, $iv);
		}

		function get_microtime()
		{
			return floor(microtime(true) * 1000);
		}

		function get_checksum($data, $type)
		{
			$checkSumSyntax = $data['phone'] . get_microtime() . '000000' . $type . get_microtime() / 1000000000000 . 'E12';

			return encryptDecrypt($checkSumSyntax, encryptDecrypt($data['setupkey'], $data['ohash'], 'DECRYPT'));
		}

		function get_pHash($data)
		{
			$pHashSyntax = $data['imei'] . '|' . $data['password'];

			return encryptDecrypt($pHashSyntax, encryptDecrypt($data['setupkey'], $data['ohash'], 'DECRYPT'));
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