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<?php
/**
* @package HikaShop for Joomla!
* @version 4.4.1
* @author hikashop.com
* @copyright (C) 2010-2021 HIKARI SOFTWARE. All rights reserved.
* @license GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
*/
defined('_JEXEC') or die('Restricted access');
?><?php
class plgHikashoppaymentPaygate extends hikashopPaymentPlugin
{
var $multiple = true;
var $name = 'paygate';
var $doc_form = 'paygate';
var $srv_url = 'https://secure.paygate.co.za/payweb3/';
var $pluginConfig = array(
'identifier' =>
array("Identifier",'input'),
'key' => array('Key','input'),
'sandbox' => array('SANDBOX',
'boolean','0'),
'debug' => array('DEBUG',
'boolean','0'),
'invalid_status' => array('INVALID_STATUS',
'orderstatus'),
'verified_status' => array('VERIFIED_STATUS',
'orderstatus')
);
function __construct(&$subject, $config)
{
return parent::__construct($subject, $config);
}
function onAfterOrderConfirm(&$order,&$methods,$method_id) //On
the checkout
{
parent::onAfterOrderConfirm($order,$methods,$method_id);
if (empty($this->payment_params->identifier))
{
$this->app->enqueueMessage(JText::sprintf('CONFIGURE_X_PAYMENT_PLUGIN_ERROR','an
identifer','Paygate'),'error');
return false;
}
if (empty($this->payment_params->key))
{
$this->app->enqueueMessage(JText::sprintf('CONFIGURE_X_PAYMENT_PLUGIN_ERROR','a
key','Paygate'),'error');
return false;
}
$date = date('Y-m-d h:i:s');
$reference = $order->order_id.'-'.$order->order_number;
$currency = $this->currency->currency_code;
$amout
=round($order->cart->full_total->prices[0]->price_value_with_tax,2)*100;
$notif_url =
HIKASHOP_LIVE.'index.php?option=com_hikashop&ctrl=checkout&task=notify¬if_payment='.$this->name.'&tmpl=component&lang='.$this->locale
. $this->url_itemid;
$return_url =
HIKASHOP_LIVE.'index.php?option=com_hikashop&ctrl=checkout&task=after_end&order_id='.$order->order_id
. $this->url_itemid;
$cancel_url =
HIKASHOP_LIVE.'index.php?option=com_hikashop&ctrl=order&task=cancel_order&order_id='.$order->order_id
. $this->url_itemid;
if ($this->payment_params->sandbox)
{
$id = '10011072130';
$key = 'secret';
}
else
{
$id = $this->payment_params->identifier;
$key = $this->payment_params->key;
}
$vars = array(
'PAYGATE_ID' => $id,
'REFERENCE' => $reference,
'AMOUNT' => $amout,
'CURRENCY' => $currency,
'RETURN_URL' => $return_url,
'TRANSACTION_DATE' => $date, //YYYY-MM-DD HH:MM:SS
'LOCALE' => $this->locale,
'COUNTRY' =>
$order->cart->billing_address->address_country->zone_code_3,
'EMAIL' => $this->user->user_email,
'NOTIFY_URL' => $notif_url,
);
$vars['CHECKSUM'] = $this->paygate_signature($key,$vars);
if ($this->payment_params->debug)
var_dump($vars);
$session = curl_init();
curl_setopt($session, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($session, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($session, CURLOPT_POST, 1);
curl_setopt($session, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($session, CURLOPT_VERBOSE, 1);
curl_setopt($session, CURLOPT_FOLLOWLOCATION, 0);
curl_setopt($session, CURLOPT_SSLVERSION, 6);
curl_setopt($session, CURLOPT_FAILONERROR, true);
$tmp = array();
foreach($vars as $k => $v) {
$tmp[] = $k . '=' . urlencode(trim($v));
}
$tmp = implode('&', $tmp);
curl_setopt($session, CURLOPT_URL,
$this->srv_url.'initiate.trans');
$httpsHikashop = str_replace('http://','https://',
HIKASHOP_LIVE);
curl_setopt($session, CURLOPT_REFERER, $httpsHikashop);
curl_setopt($session, CURLOPT_POSTFIELDS, $tmp);
$data = curl_exec($session);
$error = curl_errno($session);
curl_close($session);
if( $error ) {
$this->app->enqueueMessage('An error occured:
'.$error);
return false;
}
$params = explode('&', $data);
$ret = array();
foreach($params as $p) {
$t = explode('=', $p);
$ret[strtoupper($t[0])] = $t[1];
}
if( $this->payment_params->debug ) {
var_dump($ret);
if(!isset($ret['PAYGATE_ID']))
echo '<pre>'.print_r($data,
true).'</pre>';
}
if($ret['PAYGATE_ID'] != $vars['PAYGATE_ID']){
$this->app->enqueueMessage('An error occured: The data was
altered and PayGate couldn\'t validate the checksum.');
return false;
}
unset($ret['CHECKSUM']);
$vars = array(
'PAY_REQUEST_ID' => $ret['PAY_REQUEST_ID'],
'CHECKSUM' => $this->paygate_signature($key, $ret)
);
if( $this->payment_params->debug ) {
echo print_r($vars, true) . "\n\n\n";
}
$this->vars = $vars;
$this->url = $this->srv_url . 'process.trans';
return $this->showPage('end');
}
function onPaymentConfiguration(&$element)
{
parent::onPaymentConfiguration($element);
}
function getPaymentDefaultValues(&$element) //To set the back end
default values
{
$element->payment_name='Paygate';
$element->payment_description='You can pay by credit card using
this payment method';
$element->payment_images='MasterCard,VISA,Credit_card,American_Express';
$element->payment_params->invalid_status='cancelled';
$element->payment_params->verified_status='confirmed';
}
function onPaymentNotification(&$statuses)
{
$vars = array();
$filter = JFilterInput::getInstance();
foreach($_REQUEST as $key => $value)
{
$key = $filter->clean($key);
$value = hikaInput::get()->getString($key);
$vars[$key]=$value;
}
$explode = explode('-',$vars['REFERENCE']);
$order_id = $explode[0];
$dbOrder = $this->getOrder($order_id);
$this->loadPaymentParams($dbOrder);
if(empty($this->payment_params))
return false;
$this->loadOrderData($dbOrder);
$checksum =
$this->paygate_signature($this->payment_params->key,$vars,false,true);
if($this->payment_params->debug)
{
$this->writeToLog($vars);
$this->writeToLog($this->payment_params);
$this->writeToLog($checksum);
}
if (strcasecmp($checksum,$vars['CHECKSUM'])!=0)
{
if($this->payment_params->debug)
$this->writeToLog('Hash error
'.$vars['CHECKSUM'].' -
'.$checksum."\n\n\n");
$this->modifyOrder($order_id,
$this->payment_params->invalid_status, true, true);
}
elseif
(strcmp($order_id.'-'.$dbOrder->order_number,$vars['REFERENCE'])!=0)
{
if($this->payment_params->debug)
$this->writeToLog('Reference error
'.$vars['REFERENCE'].' -
'.$this->payment_params->reference."\n\n\n");
$this->modifyOrder($order_id,
$this->payment_params->invalid_status, true, true);
}
elseif(substr($vars['RISK_INDICATOR'],0,1)=='N')
{
if($this->payment_params->debug)
$this->writeToLog('Card validation error :
'.$vars['RISK_INDICATOR']." - Authentication was
attempted but NOT successful..\n\n\n");
$this->modifyOrder($order_id,
$this->payment_params->invalid_status, true, true);
}
elseif($vars['TRANSACTION_STATUS']!='1' or
$vars['RESULT_CODE']!='990017')
{
if($this->payment_params->debug)
$this->writeToLog('The payment has been declined. Transaction
status : '.$vars['TRANSACTION_STATUS'].' /
'.$vars['RESULT_CODE'].' -
'.$vars['RESULT_DESC']."\n\n\n");
$this->modifyOrder($order_id,
$this->payment_params->invalid_status, true, true);
}
else
{
$this->modifyOrder($order_id,
$this->payment_params->verified_status, true, true);
}
echo 'OK';
exit;
}
function paygate_signature($pwd, $parameters, $debug=false,
$decode=false)
{
$clear_string = '';
$expectedKey = array (
'PAYGATE_ID',
'PAY_REQUEST_ID',
'REFERENCE',
'TRANSACTION_STATUS',
'RESULT_CODE',
'AUTH_CODE',
'CURRENCY',
'AMOUNT',
'RESULT_DESC',
'TRANSACTION_ID',
'RISK_INDICATOR',
'PAY_METHOD',
'PAY_METHOD_DETAIL'
);
foreach ($parameters as $key => $value)
{
if ($decode)
{
if (in_array($key,$expectedKey))
$clear_string .= $value;
}
else
$clear_string .= $value;
}
$clear_string .= $pwd;
if (PHP_VERSION_ID < 50102) //Php >= 5.1.2 needed
{
$this->app->enqueueMessage('The Paygate payment plugin
requires at least the PHP 5.1.2 version to work, but it seems that it is
not available on your server. Please contact your web hosting to set it
up.','error');
return false;
}
else
{
if ($debug)
return $clear_string;
else
return hash('md5', $clear_string);
}
}
}