meraproject/module/integration/epay/model.php

<?php

namespace integration;

//*
// Показывать ли все ошибки
error_reporting(E_ALL);
ini_set('display_errors',true);
/*/
ini_set('display_errors','Off');
/**/
class EPay{

    private $private_key;
    private $invert;

    var $cert_id;
    var $merchant_name;
    var $merchant_id;

    public function __construct($cert_id,$merchant_name,$merchant_id) {
        $this->cert_id = $cert_id;
        $this->merchant_name = $merchant_name;
        $this->merchant_id = $merchant_id;
    }

    function createLink($order_id,$currency="398"){

        $amount = 50;


        // -----------------------------------------------------------------------------------------------------------------
        // Переворачиваем ключ

        $this->invert();

        // -----------------------------------------------------------------------------------------------------------------
        // Открываем публичный ключ.  "ключ", "пароль"

        $this->load_private_key(__DIR__."/test.pem", "WDfUveEf9i3");

        // -----------------------------------------------------------------------------------------------------------------
        // Шаблон заказа

        $merchant = '<merchant cert_id="%certificate%" name="%merchant_name%"><order order_id="%order_id%" amount="%amount%" currency="%currency%"><department merchant_id="%merchant_id%" amount="%amount%"/></order></merchant>';

        // -----------------------------------------------------------------------------------------------------------------
        // Подготовка данных заказа, обработка шаблона

        $merchant = preg_replace('/\%certificate\%/', 		$this->cert_id , 	$merchant);
        $merchant = preg_replace('/\%merchant_name\%/', 	$this->merchant_name , 	$merchant);
        $merchant = preg_replace('/\%order_id\%/', 			$order_id, 			$merchant);
        $merchant = preg_replace('/\%currency\%/', 			$currency, 			$merchant);
        $merchant = preg_replace('/\%merchant_id\%/', 		$this->merchant_id, 		$merchant);
        $merchant = preg_replace('/\%amount\%/', 			$amount,				$merchant);

        // -----------------------------------------------------------------------------------------------------------------
        // Подготавливаем подпись

        $merchant_sign = '<merchant_sign type="RSA">'.$this->sign64($merchant).'</merchant_sign>';


        // -----------------------------------------------------------------------------------------------------------------
        // Составляем пакет

        $xml = "<document>".$merchant.$merchant_sign."</document>";


        // -----------------------------------------------------------------------------------------------------------------
        // Выводим пакет

        //echo $xml;

        /*
        $url = 'https://testpay.kkb.kz/jsp/process/logon.jsp';
        //$url = 'https://epay.kkb.kz/jsp/process/logon.jsp';
        if ($curl = curl_init()){
            curl_setopt($curl, CURLOPT_URL, $url);
            curl_setopt($curl, CURLOPT_RETURNTRANSFER,true);
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER,0);
            curl_setopt($curl, CURLOPT_POST,1);
            curl_setopt($curl, CURLOPT_POSTFIELDS,[
                'Signed_Order_B64'=>$xml,
                'email'=>'starosta-91@ya.ru',
                'BackLink'=>$url,
                'PostLink'=>$url,
                'FailureBackLink'=>$url,
            ]);
            $out = curl_exec($curl);
            echo '<pre>';
            echo var_dump($out);
            echo '</pre>';
            curl_close($curl);
            $res = json_decode($out);
        }

        /**/
        $items = '<document><item number="1" name="Тест" quantity="1" amount="1"/></document>';

        return [
            'order'=>base64_encode($xml),
            'items'=>base64_encode($items),
        ];
    }


    function load_private_key($filename, $password = NULL){

        if(!is_file($filename))
        {

            echo "Key not found";
            return false;

        }

        $c = file_get_contents($filename);

        if($password)

            $prvkey = openssl_get_privatekey($c, $password) or die(openssl_error_string());

        else

            $prvkey = openssl_get_privatekey($c)  or die(openssl_error_string());


        if(is_resource($prvkey)){

            $this->private_key = $prvkey;
            return $c;

        }

        return false;

    }

    // -----------------------------------------------------------------------------------------------
    // Установка флага инверсии

    function invert(){

        $this->invert = 1;

    }


    // -----------------------------------------------------------------------------------------------
    // Процесс инверсии строки

    function reverse($str){

        return strrev($str);

    }


    // -----------------------------------------------------------------------------------------------


    function sign($str)
    {

        if($this->private_key)
        {

            openssl_sign($str, $out, $this->private_key);

            if($this->invert == 1) $out = $this->reverse($out);

            return $out;

        }

    }


    // -----------------------------------------------------------------------------------------------


    function sign64($str){

        return base64_encode($this->sign($str));

    }


    // -----------------------------------------------------------------------------------------------


    function check_sign($data, $str, $filename){

        if($this->invert == 1)  $str = $this->reverse($str);

        if(!is_file($filename)) return false;

        $pubkey = file_get_contents($filename);

        return openssl_verify($data, $str, $pubkey);

    }


    // -----------------------------------------------------------------------------------------------


    function check_sign64($data, $str, $filename){

        return $this->check_sign($data, base64_decode($str), $filename);

    }

}