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Directory :  /home/fdshops/old.fdshops.com.ng/vendor/knox/pesapal/src/

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Current File : /home/fdshops/old.fdshops.com.ng/vendor/knox/pesapal/src/Pesapal.php
<?php

namespace Knox\Pesapal;

include 'OAuth.php';

use Session;

class Pesapal
{
    /**
     * Processes the payment to pesapal
     *
     * @return pesapal_tracking_id
     */

    private $callback_route = '';

    public function makePayment($params)
    {
        $defaults = array( // the defaults will be overidden if set in $params
            'amount' => '',
            'description' => '',
            'type' => 'MERCHANT',
            'reference' => $this -> random_reference(),
            'first_name' => '',
            'last_name' => '',
            'email' => '',
            'currency' => 'KES',
            'phonenumber' => '',
            'live' => true,
            'callback_route' => '',
            'success_controller_method' => '',
        );


        if(!array_key_exists('currency',$params)){
            if(config('pesapal.currency') != null){
              $params['currency'] = config('pesapal.currency');
            }
        }

        $params = array_merge($defaults, $params);

        Session::put('pesapal_callback_route', $params['callback_route']);

        Session::put('pesapal_success_controller_method', $params['success_controller_method']);

        Session::put('pesapal_is_live', $params['live']);

        unset($params['callback_route']);
 
        $token  = NULL;

        $consumer_key = config('pesapal.consumer_key');

        $consumer_secret = config('pesapal.consumer_secret');

        $signature_method = new OAuthSignatureMethod_HMAC_SHA1();
        
        $iframelink = $params['live'] ? 'https://www.pesapal.com/API/PostPesapalDirectOrderV4' : 'http://demo.pesapal.com/api/PostPesapalDirectOrderV4';

        $callback_url = url() . '/pesapal-callback'; //redirect url, the page that will handle the response from pesapal.
       
        $post_xml = "<?xml version=\"1.0\" encoding=\"utf-8\"?>
                        <PesapalDirectOrderInfo 
                            xmlns:xsi=\"http://www.w3.org/2001/XMLSchemainstance\" 
                            xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" 
                            Amount=\"".$params['amount']."\" 
                            Description=\"".$params['description']."\" 
                            Type=\"".$params['type']."\" 
                            Reference=\"".$params['reference']."\" 
                            FirstName=\"".$params['first_name']."\" 
                            LastName=\"".$params['last_name']."\" 
                            Currency=\"".$params['currency']."\" 
                            Email=\"".$params['email']."\" 
                            PhoneNumber=\"".$params['phonenumber']."\" 
                            xmlns=\"http://www.pesapal.com\" />";
        
        $post_xml = htmlentities($post_xml);

        $consumer = new OAuthConsumer($consumer_key, $consumer_secret);

        $iframe_src = OAuthRequest::from_consumer_and_token($consumer, $token, "GET",$iframelink, $params);

        $iframe_src->set_parameter("oauth_callback", $callback_url);

        $iframe_src->set_parameter("pesapal_request_data", $post_xml);

        $iframe_src->sign_request($signature_method, $consumer, $token);

        echo '<iframe src="'.$iframe_src.'" width="100%" height="720px" scrolling="auto" frameBorder="0"> <p>Unable to load the payment page</p> </iframe>';
    }

    function redirectToIPN($pesapalNotification,$pesapal_merchant_reference,$pesapalTrackingId){

        $consumer_key = config('pesapal.consumer_key');

        $consumer_secret = config('pesapal.consumer_secret');

        $statusrequestAPI = Session::get('pesapal_is_live') ? 'https://www.pesapal.com/api/querypaymentstatus' : 'http://demo.pesapal.com/api/querypaymentstatus';

        if($pesapalNotification=="CHANGE" && $pesapalTrackingId!='')
        {
           $token = $params = NULL;
           $consumer = new OAuthConsumer($consumer_key, $consumer_secret);
           $signature_method = new OAuthSignatureMethod_HMAC_SHA1();

           //get transaction status
           $request_status = OAuthRequest::from_consumer_and_token($consumer, $token, "GET", $statusrequestAPI, $params);
           $request_status->set_parameter("pesapal_merchant_reference", $pesapal_merchant_reference);
           $request_status->set_parameter("pesapal_transaction_tracking_id",$pesapalTrackingId);
           $request_status->sign_request($signature_method, $consumer, $token);

           $ch = curl_init();
           curl_setopt($ch, CURLOPT_URL, $request_status);
           curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
           curl_setopt($ch, CURLOPT_HEADER, 1);
           curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
           if(defined('CURL_PROXY_REQUIRED')) if (CURL_PROXY_REQUIRED == 'True')
           {
              $proxy_tunnel_flag = (defined('CURL_PROXY_TUNNEL_FLAG') && strtoupper(CURL_PROXY_TUNNEL_FLAG) == 'FALSE') ? false : true;
              curl_setopt ($ch, CURLOPT_HTTPPROXYTUNNEL, $proxy_tunnel_flag);
              curl_setopt ($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
              curl_setopt ($ch, CURLOPT_PROXY, CURL_PROXY_SERVER_DETAILS);
           }

           $response = curl_exec($ch);

           $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
           $raw_header  = substr($response, 0, $header_size - 4);
           $headerArray = explode("\r\n\r\n", $raw_header);
           $header      = $headerArray[count($headerArray) - 1];

           //transaction status
           $elements = preg_split("/=/",substr($response, $header_size));
           $status = $elements[1];

           curl_close ($ch);
           
           //UPDATE YOUR DB TABLE WITH NEW STATUS FOR TRANSACTION WITH pesapal_transaction_tracking_id $pesapalTrackingId
           $separator = explode('@', Session::get('pesapal_success_controller_method'));
           $controller = $separator[0];
           $method = $separator[1];
           $class = '\App\Http\Controllers\\'.$separator[0];
           $payment = new $class();
           $payment -> $method();

           if($status != "PENDING")
           {
              $resp="pesapal_notification_type=$pesapalNotification&pesapal_transaction_tracking_id=$pesapalTrackingId&pesapal_merchant_reference=$pesapal_merchant_reference";
              ob_start();
              echo $resp;
              ob_flush();
              exit;
           }
        }

    }



    public function random_reference()
    {
        $length = 15;

        $keyspace = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';

        $str = '';

        $max = mb_strlen($keyspace, '8bit') - 1;

        for ($i = 0; $i < $length; ++$i) {
            $str .= $keyspace[random_int(0, $max)];
        }

        return 'PESAPAL'. $str;
    }

}

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