MAINHACK

Viewing / Editing File: IpnRequest.php

<?php

namespace Clickpaysa\Laravel_package\Services;

use Illuminate\Http\Request;

class IpnRequest
{
    private $request;
    private $clientKey;

public function __construct(Request $httpRequest) {
        $this->createIpnRequest($httpRequest);
    }

/**
     * create an object by extracting params received from: callback request or IPN Default Web request from the payment gateway after payment is processed
     */
    private function createIpnRequest($httpRequest){
        //verify that it is a valid callback request\IPN Default Web request
        if($this->isValidIPNRequest($httpRequest)){
            //update the cart payment status
            $content= $httpRequest->getContent();
            $this->request= json_decode($content, false, 3);
            $this->clientKey= $httpRequest->header('client-key');

}else{
            throw new BadRequestException('invalid callback\IPN request');
        }
    }

/**
     * process of validating an IPN basic web request is the same as process of validating a IPN default web request
     */
    public static function isValidIPNBasicRequest($httpRequest){
        $this->isValidIPNRequest($httpRequest);
    }

/**
     * verify that it is a valid callback request or IPN Default Web request
     */
    private function isValidIPNRequest($httpRequest){
        $signature= $httpRequest->header('signature');
        $content= $httpRequest->getContent(); //get the request raw content
        new \Clickpaysa\Laravel_package\clickpay_core(); //this is a hack just to be able to use `ClickpayApi` class from clickpay_core.php !!!

$paytabs_api= \Clickpaysa\Laravel_package\ClickpayApi::getInstance(config('clickpay.region'), config('clickpay.profile_id'), config('clickpay.server_key'));
        if($paytabs_api->is_valid_ipn($content, $signature)){
            return true;
        }else{
            return false;
        }
    }

/**
     * get all the IPN request info
    */
    public function getIpnRequestDetails(){
        return $this->request;
    }

/**
     * return client-key header parameter
     */
    public function getIpnRequestClientKey(){
        return $this->clientKey;
    }

public function getCartId() {
        return $this->request->cart_id;
    }

public function getStatus() {
        return $this->request->payment_result->response_status;
    }

public function getCode() {
        return $this->request->payment_result->response_code;
    }

public function getMessage() {
        return $this->request->payment_result->response_message;
    }

public function getTranRef() {
        return $this->request->tran_ref;
    }

}

/**
 * for wrong request exceptions
 */
class BadRequestException extends \Exception{
    
    protected $message;
    
    public function __construct($message) {
        $this->message= $message;
    }
    
    public function __toString(): string {
        return $this->message;
    }
}

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