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<?php
/**
* @version $Id$
* @package JSN_Uniform
* @author JoomlaShine Team <support@joomlashine.com>
* @copyright Copyright (C) 2016 JoomlaShine.com. All Rights Reserved.
* @license GNU/GPL v2 or later http://www.gnu.org/licenses/gpl-2.0.html
*
* Websites: http://www.joomlashine.com
* Technical Support: Feedback - http://www.joomlashine.com/contact-us/get-support.html
*/
defined('_JEXEC') or die('Restricted access');
class JSNUFPayment_PaypalHelperPaypalExp
{
private $_expressCheckoutURL = '';
private $_nvpURL = '';
private $_paypalVersion = 93;
private $_apiUsername = '';
private $_apiPassword = '';
private $_apiSignature = '';
private $_currency = array();
private $_paymentConfig = null;
public function __construct($_currency, $_paymentConfig)
{
$this->_currency = $_currency;
$this->_paymentConfig = $_paymentConfig;
@$this->_expressCheckoutURL = 'https://www.' . ($this->_paymentConfig->test_mode ? 'sandbox.' : '') . 'paypal.com/cgi-bin/webscr?cmd=_express-checkout&token=';
@$this->_nvpURL = 'https://api-3t.' . ($this->_paymentConfig->test_mode ? 'sandbox.' : '') . 'paypal.com/nvp';
if (@$this->_paymentConfig->test_mode)
{
$this->_apiUsername = $this->_paymentConfig->paypal_sandbox_api_username;
$this->_apiPassword = $this->_paymentConfig->paypal_sandbox_api_password;
$this->_apiSignature = $this->_paymentConfig->paypal_sandbox_api_signature;
}
else
{
@$this->_apiUsername = $this->_paymentConfig->paypal_live_api_username;
@$this->_apiPassword = $this->_paymentConfig->paypal_live_api_password;
@$this->_apiSignature = $this->_paymentConfig->paypal_live_api_signature;
}
}
/**
* Post Data to Paypal
*
* @param array $data
*
* @return mix
*/
private function _postDataToPayPal($fields)
{
if (!count($fields)) return false;
$fieldsString = http_build_query($fields);
//open connection
$ch = curl_init();
//set the url, number of POST vars, POST data
curl_setopt($ch, CURLOPT_URL, $this->_nvpURL);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)");
curl_setopt($ch, CURLOPT_POSTFIELDS, $fieldsString);
//execute post
$result = curl_exec($ch);
if (curl_errno($ch))
{
return false;
}
//close connection
curl_close($ch);
return $result;
}
public function insertPaymentLog($sub_id)
{
$params = (array) $this->_paymentConfig;
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->insert($db->quoteName("#__jsn_uniform_payment_paypal_logs"));
$query->columns($db->quoteName(array('submission_id', 'log_currency')));
$query->values(implode(',', array($sub_id, $db->quote($params['paypal_currency']))));
$db->setQuery($query);
$db->execute();
}
/**
* Insert Payment Log
*
* @param (int) $sub_id The submission ID
*
* @return void
*/
public function processToPostPaymentGateway($data, $dataField, $sub_id)
{
$checkCURL = $this->_checkCURLLibrary();
if ($checkCURL === false) return false;
$data = $this->_prepareData($data, $dataField, $sub_id);
$nvpreq = $this->_postDataToPayPal($data);
if ($nvpreq === false) return false;
$nvpResArray = $this->_deformatNVP($nvpreq);
if (isset($nvpResArray['TOKEN']))
{
$this->insertPaymentLog($sub_id);
$lang = JFactory::getLanguage();
$lang->load('plg_uniform_payment_paypal', JPATH_BASE . '/administrator');
echo '<link rel="stylesheet" href="'. JURI::base() .'/plugins/uniform/payment_paypal/assets/css/jsnpayment_paypal.css">';
echo '<div class="ui-widget-overlay">
<div class="img-box-loading">
<img id="img-loading-uiwindow-1" class="imgLoading" src="'. JURI::base() .'/plugins/uniform/payment_paypal/assets/img/icon-24-dark-loading-circle.gif">
</div>
<div class="you-are-being-redirected">
' . JText::_('PLG_JSNUNIFORM_PAYMENT_YOU_ARE_BEING_REDIRECTED') . '
</div>
</div>';
echo "<script>window.parent.location.href ='".$this->_expressCheckoutURL . $nvpResArray['TOKEN']."';</script>";
return true;
}
elseif(isset($nvpResArray['L_ERRORCODE0']))
{
echo "<script>alert('Error Code: " . $nvpResArray['L_ERRORCODE0'] . ' - ' . $nvpResArray['L_LONGMESSAGE0'] . "');window.history.back();</script>";
return false;
}
return false;
}
/**
* Deformat returned string from paypal
*
* @param string $nvpstr
*
* @return array
*/
private function _deformatNVP($nvpstr)
{
$intial=0;
$nvpArray = array();
while(strlen($nvpstr))
{
//postion of Key
$keypos = strpos($nvpstr,'=');
//position of value
$valuepos = strpos($nvpstr,'&') ? strpos($nvpstr,'&'): strlen($nvpstr);
/*getting the Key and Value values and storing in a Associative Array*/
$keyval = substr($nvpstr, $intial, $keypos);
$valval = substr($nvpstr, $keypos + 1, $valuepos - $keypos - 1);
//decoding the respose
$nvpArray[urldecode($keyval)] = urldecode( $valval);
$nvpstr = substr($nvpstr,$valuepos + 1, strlen($nvpstr));
}
return $nvpArray;
}
/**
* prepare and process data before submit to PayPal
* @param array $data
*
* @return array
*/
private function _prepareData($data, $dataField, $subId)
{
$params = (array) $this->_paymentConfig;
$submitData = array();
$curencyData = $this->_currency[$params['paypal_currency']];
$curencyFormat = new JSNUniFormCurrencyHelper($params['paypal_currency'], $curencyData['currency_decimals'], $curencyData['currency_decimal_symbol'], $curencyData['currency_thousands_separator'], $curencyData['currency_symbol'], $params['paypal_positon_symbol']);
$total = $curencyFormat->getFormattedCurrency($data['jsn_form_total_money']['form_payment_money_value']);
if (count($dataField))
{
$index = 0;
foreach ($dataField as $key => $value)
{
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select('field_settings');
$query->from('#__jsn_uniform_fields');
$query->where('field_id='. $value['field_id']);
$db->setQuery($query);
$fieldSettings = $db->loadObjectList($query);
foreach ($fieldSettings as $fieldSetting)
{
$itemSettings = json_decode($fieldSetting->field_settings);
if (!empty($itemSettings->options->paymentMoneyValue) && $itemSettings->options->paymentMoneyValue == 'Yes')
{
if (!empty($value['submission_data_value']))
{
if ($value['field_type'] == 'checkboxes' || $value['field_type'] == 'dropdown' || $value['field_type'] == 'choices')
{
}
if ($value['field_type'] == 'checkboxes' || $value['field_type'] == 'list' )
{
$items = json_decode($value['submission_data_value']);
foreach($items as $item){
$value['submission_data_value'] = $item;
$moneyValue = str_replace(',', '.',$value['submission_data_value']);
$tmpMoneyValue = explode('|', $moneyValue);
$quantityValue = trim(end($tmpMoneyValue));
$moneyValue = trim($tmpMoneyValue[1]);
$expSubmitsionDataValue = explode('|', $value['submission_data_value']);
$title = trim($value['field_title']) . ':' . trim(@$expSubmitsionDataValue[0]);
$submitData = array_merge($submitData,array('L_PAYMENTREQUEST_0_NAME'.$index => $title, 'L_PAYMENTREQUEST_0_NUMBER'.$index => '1', 'L_PAYMENTREQUEST_0_DESC'.$index => $title, 'L_PAYMENTREQUEST_0_AMT'.$index => $curencyFormat->getFormattedCurrency((float)$moneyValue), 'L_PAYMENTREQUEST_0_QTY'.$index => $quantityValue));
$index++;
}
}
}
}
}
foreach ($fieldSettings as $fieldSettingSpc)
{
$itemSettings = json_decode($fieldSettingSpc->field_settings);
if (!empty($itemSettings->options->paymentMoneyValue) && $itemSettings->options->paymentMoneyValue == 'Yes')
{
if (!empty($value['submission_data_value']))
{
if ($value['field_type'] != 'checkboxes' && $value['field_type'] != 'list' )
{
$title = $value['field_title'];
$moneyValue = str_replace(',', '.', $value['submission_data_value']);
$tmpMoneyValue = explode('|', $moneyValue);
$quantityValue = trim(end($tmpMoneyValue));
$moneyValue = trim($tmpMoneyValue[1]);
if ($value['field_type'] == 'dropdown' || $value['field_type'] == 'choices')
{
$expSubmitsionDataValue = explode('|', $value['submission_data_value']);
$title = trim($value['field_title']) . ':' . trim(@$expSubmitsionDataValue[0]);
}
if ($value['field_type'] == 'number' || $value['field_type'] == 'currency')
{
$moneyValue = str_replace(',', '.', $value['submission_data_value']);
$quantityValue = '1';
}
$submitData = array_merge($submitData, array('L_PAYMENTREQUEST_0_NAME' . $index => $title, 'L_PAYMENTREQUEST_0_NUMBER' . $index => '1', 'L_PAYMENTREQUEST_0_DESC' . $index => $title, 'L_PAYMENTREQUEST_0_AMT' . $index => $curencyFormat->getFormattedCurrency((float) $moneyValue), 'L_PAYMENTREQUEST_0_QTY' . $index => $quantityValue));
$index++;
}
}
}
}
}
}
$token = JSession::getFormToken();
$config = JFactory::getConfig();
$secret = $config->get('secret');
$returnUrl = JURI::base() . 'index.php?option=com_uniform&form_id=' . $data['form_id'] . '&secret_key=' . md5($secret) . '&submission_id=' . $subId . '&method=payment_paypal&view=paymentgateway&task=paymentgateway.postback';
if (!isset($params['archive_cancel_transaction']) || $params['archive_cancel_transaction'] == "1")
{
$cancelUrl = $params['paypal_cancel_url'] != '' ? $params['paypal_cancel_url'] : JURI::base();
}
else
{
$cancelUrl = JURI::base() . 'index.php?option=com_uniform&form_id=' . $data['form_id'] . '&submission_id=' . $subId . '&secret_key=' . md5($secret) . '&' . $token . '=1' . '&method=payment_paypal&view=paymentgateway&task=paymentgateway.cancelTransaction';
}
$fields = array('USER' => $this->_apiUsername,
'PWD' => $this->_apiPassword,
'SIGNATURE' => $this->_apiSignature,
'METHOD' => 'SetExpressCheckout', 'VERSION' => $this->_paypalVersion, 'PAYMENTREQUEST_0_PAYMENTACTION' => 'SALE',
'SOLUTIONTYPE' => 'Sole',
'LANDINGPAGE' => 'Billing',
'LOCALECODE' => 'us',
'PAYMENTREQUEST_0_AMT' => $total,
'PAYMENTREQUEST_0_CURRENCYCODE' => $params['paypal_currency'],
'RETURNURL' => $returnUrl,
'CANCELURL' => $cancelUrl,
'LOGOIMG' => (string) $params['paypal_logo']);
$fields = array_merge($fields, $submitData);
return $fields;
}
public function verifyGatewayResponse($post)
{
return $this->_getExpressCheckoutDetails($post);
}
private function _getExpressCheckoutDetails($data)
{
$fields = array('USER' => $this->_apiUsername,
'PWD' => $this->_apiPassword,
'SIGNATURE' => $this->_apiSignature,
'METHOD' => 'GetExpressCheckoutDetails', 'VERSION' => $this->_paypalVersion,
'TOKEN' => $data['token']);
$nvpreq = $this->_postDataToPayPal($fields);
if ($nvpreq === false) return false;
$nvpResArray = $this->_deformatNVP($nvpreq);
if ("success" == strtolower($nvpResArray["ACK"]) || "successwithwarning" == strtolower($nvpResArray["ACK"]))
{
return $this->_doExpressCheckoutPayment($nvpResArray, $data);
}
return false;
}
private function _doExpressCheckoutPayment($data, $post)
{
$fields = array('USER' => $this->_apiUsername,
'PWD' => $this->_apiPassword,
'SIGNATURE' => $this->_apiSignature,
'METHOD' => 'DoExpressCheckoutPayment', 'VERSION' => $this->_paypalVersion);
$fields = array_merge($fields, $data);
if (isset($fields["ACK"]))
{
unset($fields["ACK"]);
}
$nvpreq = $this->_postDataToPayPal($fields);
if ($nvpreq === false) return false;
$nvpResArray = $this->_deformatNVP($nvpreq);
if ("success" == strtolower($nvpResArray["ACK"]) || "successwithwarning" == strtolower($nvpResArray["ACK"]))
{
$this->_updatePaymentLog($nvpResArray, $post);
$this->_sendMail($post);
return true;
}
return false;
}
public function checkPaymentGatewayValid()
{
if (@!is_null($this->_paymentConfig->test_mode))
{
if ($this->_paymentConfig->test_mode)
{
if((string) $this->_apiUsername == '' || (string) $this->_apiPassword == '' || (string) $this->_apiSignature == '')
{
return false;
}
}
else
{
if ((string) $this->_apiUsername == '' || (string) $this->_apiPassword == '' || (string) $this->_apiSignature == '')
{
return false;
}
}
return true;
}
return false;
}
/**
* check support CURL
* @return true/false
*/
private function _checkCURLLibrary()
{
if (!function_exists("curl_init") &&
!function_exists("curl_setopt") &&
!function_exists("curl_exec") &&
!function_exists("curl_close")) {
return false;
};
return true;
}
/**
* Send email
*
* @param array $post the post data
*
* @return boole
*/
private function _sendMail($post)
{
if (!class_exists('JSNUniFormEmailHelper')) return false;
// only send email when transaction done
if (isset($this->_paymentConfig->receive_confirmation_of_successful_transaction))
{
if ($this->_paymentConfig->receive_confirmation_of_successful_transaction == '1')
{
$objJSNUniFormEmailHelper = new JSNUniFormEmailHelper;
$objJSNUniFormEmailHelper->prepareDataForEmail($post);
}
}
return true;
}
/**
*
* Update transaction log. Set status, amount, currency
* @param array $post
*
*/
private function _updatePaymentLog($data, $post)
{
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$fields = array(
$db->quoteName('log_status') . ' = ' . $db->quote('successful'),
$db->quoteName('log_amount') . ' = ' . $db->quote($data['PAYMENTINFO_0_AMT']),
$db->quoteName('log_currency') . ' = ' . $db->quote($data['PAYMENTINFO_0_CURRENCYCODE'])
);
$conditions = array(
$db->quoteName('submission_id') . ' = ' . $post['submission_id']
);
$query->update($db->quoteName("#__jsn_uniform_payment_paypal_logs"));
$query->set($fields);
$query->where($conditions);
$db->setQuery($query);
$db->execute();
}
}