KapitalBank Payment API with PHP Laravel framework - Example snippet

Payment.php

<?php

namespace App\Models;

use App\Database\EloquentModel as Model;

class Payment extends Model
{
    protected $fillable = ['order_id', 'session_id', 'currency', 'order_status', 'order_description', 'amount', 'payment_url', 'status_code','order_check_status','language_code'];

}

PaymentKapitalController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\{ Payment };
use Illuminate\Support\Facades\{DB, File, Hash, Storage, Validator, Config, Auth, Mail};
use SimpleXMLElement;
use App\Traits\Log;





class PaymentKapitalController extends Controller
{
    protected $serviceUrl = 'https://e-commerce.kapitalbank.az:5443/Exec';
    protected $cert = "kapitalbank_certificates/templ.crt";
    protected $key = "kapitalbank_certificates/merchant_name2.key";
    protected $merchant_id = 'E1000010';
    protected $language = 'RU';
    const PORT = 5443;


    public function __construct()
    {
        if (Storage::disk('local')->exists($this->cert)) {
            $this->cert = storage_path('app/'.$this->cert);
        } else {
            throw new \Exception("Certificate does not exists: $this->cert");
        }

        if (Storage::disk('local')->exists($this->key)) {
            $this->key = storage_path('app/'.$this->key);
        } else {
            throw new \Exception("Key does not exists: $this->key");
        }
    }

    public function index(){
       return 'index';
   }

   public function curl($xml){
       $url = $this->serviceUrl;
       $ch = curl_init();
       curl_setopt($ch, CURLOPT_PORT, self::PORT);
       curl_setopt($ch, CURLOPT_URL, $url);
       curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
       curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");


       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
       curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

       curl_setopt($ch, CURLOPT_SSLCERT, $this->cert);
       curl_setopt($ch, CURLOPT_SSLKEY, $this->key);

       curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);

       //Error handling and return result
       $data = curl_exec($ch);
       if ($data === false) {
           $result = curl_error($ch);
       } else {
           $result = $data;
       }

       // Close handle
       curl_close($ch);

       return $result;
   }

   public function createTestOrder(){

       //echo header("Location: ");

       $order_data = array(
           'merchant' => $this->merchant_id,
           'amount' => 1,
           'currency' => 944,
           'description' => 'Templateplanet Purchase',
           'lang' => 'RU'
       );


       $xml = '<?xml version="1.0" encoding="UTF-8"?>
        <TKKPG>
        <Request>
            <Operation>CreateOrder</Operation>
            <Language>'.$order_data['lang'].'</Language>
            <Order>
                <OrderType>Purchase</OrderType>
                <Merchant>'.$order_data['merchant'].'</Merchant>
                <Amount>'.$order_data['amount'].'</Amount>
                <Currency>'.$order_data['currency'].'</Currency>
                <Description>'.$order_data['description'].'</Description>
                <ApproveURL>https://templateplanet.az/en/kapital/approve</ApproveURL>
                <CancelURL>https://templateplanet.az/en/kapital/cancel</CancelURL>
                <DeclineURL>https://templateplanet.az/en/kapital/decline</DeclineURL>
            </Order>
        </Request>
        </TKKPG>
        ';
       //return $xml;

       $result = $this->curl($xml);

       return $this->handleCurlResponse($order_data,$result);
       //dd($result);
       // $result;
   }

   public function handleCurlResponse($inital_data, $data){
       $oXML = new SimpleXMLElement($data);
       //dd($oXML);

       $OrderID = $oXML->Response->Order->OrderID;
       $SessionID = $oXML->Response->Order->SessionID;
       $paymentBaseUrl = $oXML->Response->Order->URL;


       Payment::create([
           'amount' => $inital_data['amount'],
           'order_id' => $OrderID,
           'session_id' => $SessionID,
           'payment_url' => $paymentBaseUrl,
           'staus_code' => $oXML->Response->Status,
           'order_description' => $inital_data['description'],
           'currency' => $inital_data['currency'],
           'language_code' => $inital_data['currency'],
       ]);
       ///
       $redirectUrl = $paymentBaseUrl."?ORDERID=".$OrderID."&SESSIONID=".$SessionID."&";
        //dd($redirectUrl);
       //echo $redirectUrl;
       return redirect()->to($redirectUrl);;

       //return header("Location: ");

   }

   public function approveUrl(Request $request){
       Log::write('approveUrl','kapitalBank',$request->all());

       $xmlmsg = new SimpleXMLElement($request->xmlmsg);

       $getPaymentRow = Payment::where('order_id', '=', $xmlmsg->OrderID)->first();

       if($getPaymentRow){
           $getPaymentRow->update([
               'order_status' => $xmlmsg->OrderStatus,
           ]);

           $this->getOrderStatus($getPaymentRow);
       }

       return 'approve';
   }

    public function cancelUrl(Request $request){
        //echo $request->xmlmsg;
        $xmlmsg = new SimpleXMLElement($request->xmlmsg);

        Log::write('cancelUrl','kapitalBank',$request->all());


        $getPaymentRow = Payment::where('order_id', '=', $xmlmsg->OrderID)->first();

        if($getPaymentRow){
            $getPaymentRow->update([
                'order_status' => $xmlmsg->OrderStatus,
            ]);
        }

        return 'cancel';
    }

    public function declineUrl(Request $request){
        //dd($request->all());
        Log::write('declineUrl','kapitalBank',$request->all());

        if ($request->filled('xmlmsg')){
            $xmlmsg = new SimpleXMLElement($request->xmlmsg);
            //dd($xmlmsg->OrderStatus);
            $getPaymentRow = Payment::where('order_id', '=', $xmlmsg->OrderID)->first();
            if($getPaymentRow){
                $getPaymentRow->update([
                    'order_status' => $xmlmsg->OrderStatus,
                ]);
            }
        }

        return 'DECLINED';
    }

    //Internet shop must perform the Get Order Status operation for the security purposes and decide whether to provide the service or not depending on the response.
    public function getOrderStatus($data){

        $xml = '<?xml version="1.0" encoding="UTF-8"?>
                <TKKPG>
                    <Request>
                        <Operation>GetOrderStatus</Operation>
                        <Language>'.$this->language.'</Language>
                        <Order>
                            <Merchant>'.$this->merchant_id.'</Merchant>
                            <OrderID>'.$data->order_id.'</OrderID>
                        </Order>
                        <SessionID>'.$data->session_id.'</SessionID>
                    </Request>
                </TKKPG>';

        $response = $this->curl($xml);

        $xmlmsg = new SimpleXMLElement($response);
        //dd($xmlmsg->Response->Status);
        $getPaymentRow = Payment::where('order_id', '=', $xmlmsg->Response->Order->OrderID)->first();
        if($getPaymentRow){
            $getPaymentRow->update([
                'order_check_status' => $xmlmsg->Response->Order->OrderStatus,
                'status_code' => $xmlmsg->Response->Status,
            ]);
        }

        return $response;

    }

    //paymentLogs in admin
    public function paymentLogs(){
        $rows = Payment::latest()->paginate(20);

        return view('back.settings.payment_logs', compact('rows'));
    }
}

Salam, men pg.kapitalbank documentation-dan postmana mene gonderilen .crt fayli elave edirem. Mennen hele .key fayl istenilir. Onu generate etdiyim CSR icinde tapdim. Copy etdim .txt fayla, extentionunu deyishdim etdim .key

Elave etdim postmana, mene eyni erroru verir sorgu gonderende. Error: write EPROTO 64359432:error:10000412:SSL routines:OPENSSL_internal:SSLV3_ALERT_BAD_CERTIFICATE:../../../../src/third_party/boringssl/src/ssl/tls_record.cc:594:SSL alert number 42

Metod Get, post yoxlamisham, URL da ki hamsini yoxlamisham, hem documentationdaki, hemde sizin PHP kodunuzdaki. Her cure kombinaciya etdim. Postman eyni erroru verir. Bankin emekdashi ile elaqe gurdum mail ile, gec ve cox qisa cavab verir deye tam olarag basha dushmurem. Xahish edirem belke siz bilersiz ne etmek lazimdir. Emaile screenshotlar da gonderdim, mene voobshe dediler ki Settings-de host-u documentationdaki kimi yox, bashqa cur yazim...

Ve umumiyyetle, bank olmayan payment API var mi olkede? Millikart eshitmishem, Payriff, vessalam. Teshekkur

problem bankda idi)