src/Billing/PaymentGateway.php

   1 <?php
   2
   3 /**
   4  * Payment Gateways for credit card transactions
   5  *
   6  * @package   OpenEMR
   7  * @link      https://www.open-emr.org
   8  * @author    Jerry Padgett <sjpadgett@gmail.com>
   9  * @copyright Copyright (c) 2019 Jerry Padgett <sjpadgett@gmail.com>
  10  * @license   https://github.com/openemr/openemr/blob/master/LICENSE GNU General Public License 3
  11  */
  12
  13 namespace OpenEMR\Billing;
  14
  15 use Omnipay\Omnipay;
  16 use Omnipay\Common\CreditCard;
  17 use OpenEMR\Common\Crypto\CryptoGen;
  18
  19 class PaymentGateway
  20 {
  21     private $gateway;
  22     private $card;
  23     private $apiKey;
  24     private $transactionKey;
  25     private $production;
  26
  27     public function __construct($name)
  28     {
  29         $this->production = !$GLOBALS['gateway_mode_production'];
  30
  31         $cryptoGen = new CryptoGen();
  32         $this->apiKey = $cryptoGen->decryptStandard($GLOBALS['gateway_api_key']);
  33         $this->transactionKey = $cryptoGen->decryptStandard($GLOBALS['gateway_transaction_key']);
  34
  35         // Setup payment Gateway
  36         $this->setGateway($name);
  37     }
  38
  39     public function setApiKey($key)
  40     {
  41         $this->apiKey = $key;
  42     }
  43
  44     public function setTransactionKey($key)
  45     {
  46         $this->transactionKey = $key;
  47     }
  48
  49     public function setProduction($tf)
  50     {
  51         $this->production = $tf;
  52     }
  53
  54     /**
  55      * @param $card
  56      * @return bool|string
  57      * $card = [];
  58      * $card['card'] = '';
  59      * $card['expiremonth'] = '';
  60      * $card['expireyear'] = '';
  61      * $card['cvv'] = '';
  62      */
  63     public function setCard($card)
  64     {
  65         try {
  66             $ccard = new CreditCard($card);
  67             $ccard->validate();
  68             $this->card = $card;
  69             return true;
  70         } catch (\Exception $ex) {
  71             return $ex->getMessage();
  72         }
  73     }
  74
  75     /**
  76      * @param $pay
  77      * @return bool|string
  78      */
  79     public function submitPaymentCard($pay)
  80     {
  81         try {
  82             // Send purchase request
  83             $response = $this->gateway->purchase(
  84                 [
  85                     'amount' => $pay['amount'],
  86                     'currency' => $pay['currency'],
  87                     'card' => $this->card
  88                 ]
  89             )->send();
  90             // Process response
  91             if ($response->isSuccessful()) {
  92                 return $response;
  93             } elseif ($response->isRedirect()) {
  94                 // Redirect to offsite payment gateway
  95                 return $response->getMessage();
  96             } else {
  97                 // Payment failed
  98                 return $response->getMessage();
  99             }
 100         } catch (\Exception $ex) {
 101             return $ex->getMessage();
 102         }
 103     }
 104
 105     /**
 106      * @param $pay
 107      * @return bool|string
 108      */
 109     public function submitPaymentToken($pay)
 110     {
 111         try {
 112             // Send purchase request with card token
 113             $response = $this->gateway->purchase($pay)->send();
 114             // Process response
 115             if ($response->isSuccessful()) {
 116                 return $response;
 117             } elseif ($response->isRedirect()) {
 118                 // Redirect to offsite payment gateway
 119                 return $response->getMessage();
 120             } else {
 121                 // Payment failed
 122                 return $response->getMessage();
 123             }
 124         } catch (\Exception $ex) {
 125             return $ex->getMessage();
 126         }
 127     }
 128
 129     /**
 130      * @param $which
 131      * @return string
 132      */
 133     public function setGateway($which)
 134     {
 135         if (isset($this->gateway)) {
 136             unset($this->gateway);
 137         }
 138         try {
 139             if (stripos($which, "stripe") !== false) {
 140                 $gatewayName = 'Stripe';
 141                 $this->gateway = Omnipay::create($gatewayName);
 142                 $this->gateway->setApiKey($this->apiKey);
 143             } else {
 144                 $gatewayName = 'AuthorizeNetApi_Api';
 145                 $this->gateway = Omnipay::create($gatewayName);
 146                 $this->gateway->setAuthName($this->apiKey);
 147                 $this->gateway->setTransactionKey($this->transactionKey);
 148                 $this->gateway->setTestMode($this->production);
 149             }
 150         } catch (\Exception $ex) {
 151             return $ex->getMessage();
 152         }
 153     }
 154 }