/** * This method is handles the response that will be invoked by the * notification or request sent by the payment processor. * hex string from paymentexpress is passed to this function as hex string. Code based on googleIPN * mac_key is only passed if the processor is pxaccess as it is used for decryption * $dps_method is either pxaccess or pxpay */ public static function main($dps_method, $rawPostData, $dps_url, $dps_user, $dps_key, $mac_key) { $config = CRM_Core_Config::singleton(); define('RESPONSE_HANDLER_LOG_FILE', $config->uploadDir . 'CiviCRM.PaymentExpress.log'); //Setup the log file if (!($message_log = fopen(RESPONSE_HANDLER_LOG_FILE, "a"))) { error_func("Cannot open " . RESPONSE_HANDLER_LOG_FILE . " file.\n", 0); exit(1); } if ($dps_method == "pxpay") { $processResponse = CRM_Core_Payment_PaymentExpressUtils::_valueXml(array('PxPayUserId' => $dps_user, 'PxPayKey' => $dps_key, 'Response' => $_GET['result'])); $processResponse = CRM_Core_Payment_PaymentExpressUtils::_valueXml('ProcessResponse', $processResponse); fwrite($message_log, sprintf("\n\r%s:- %s\n", date("D M j G:i:s T Y"), $processResponse)); // Send the XML-formatted validation request to DPS so that we can receive a decrypted XML response which contains the transaction results $curl = CRM_Core_Payment_PaymentExpressUtils::_initCURL($processResponse, $dps_url); fwrite($message_log, sprintf("\n\r%s:- %s\n", date("D M j G:i:s T Y"), $curl)); $success = FALSE; if ($response = curl_exec($curl)) { fwrite($message_log, sprintf("\n\r%s:- %s\n", date("D M j G:i:s T Y"), $response)); curl_close($curl); // Assign the returned XML values to variables $valid = CRM_Core_Payment_PaymentExpressUtils::_xmlAttribute($response, 'valid'); $success = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, 'Success'); $txnId = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, 'TxnId'); $responseText = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, 'ResponseText'); $authCode = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, 'AuthCode'); $DPStxnRef = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, 'DpsTxnRef'); $qfKey = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, "TxnData1"); $privateData = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, "TxnData2"); list($component, $paymentProcessorID, ) = explode(',', CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, "TxnData3")); $amount = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, "AmountSettlement"); $merchantReference = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, "MerchantReference"); } else { // calling DPS failed CRM_Core_Error::fatal(ts('Unable to establish connection to the payment gateway to verify transaction response.')); exit; } } elseif ($dps_method == "pxaccess") { require_once 'PaymentExpress/pxaccess.inc.php'; global $pxaccess; $pxaccess = new PxAccess($dps_url, $dps_user, $dps_key, $mac_key); #getResponse method in PxAccess object returns PxPayResponse object #which encapsulates all the response data $rsp = $pxaccess->getResponse($rawPostData); $qfKey = $rsp->getTxnData1(); $privateData = $rsp->getTxnData2(); list($component, $paymentProcessorID) = explode(',', $rsp->getTxnData3()); $success = $rsp->getSuccess(); $authCode = $rsp->getAuthCode(); $DPStxnRef = $rsp->getDpsTxnRef(); $amount = $rsp->getAmountSettlement(); $MerchantReference = $rsp->getMerchantReference(); } $privateData = $privateData ? self::stringToArray($privateData) : ''; // Record the current count in array, before we start adding things (for later checks) $countPrivateData = count($privateData); // Private Data consists of : a=contactID, b=contributionID,c=contributionTypeID,d=invoiceID,e=membershipID,f=participantID,g=eventID $privateData['contactID'] = $privateData['a']; $privateData['contributionID'] = $privateData['b']; $privateData['contributionTypeID'] = $privateData['c']; $privateData['invoiceID'] = $privateData['d']; if ($component == "event") { $privateData['participantID'] = $privateData['f']; $privateData['eventID'] = $privateData['g']; } elseif ($component == "contribute") { if ($countPrivateData == 5) { $privateData["membershipID"] = $privateData['e']; } } $transactionReference = $authCode . "-" . $DPStxnRef; list($mode, $component, $duplicateTransaction) = self::getContext($privateData, $transactionReference); $mode = $mode ? 'test' : 'live'; $paymentProcessor = CRM_Financial_BAO_PaymentProcessor::getPayment($paymentProcessorID, $mode); $ipn = self::singleton($mode, $component, $paymentProcessor); //Check status and take appropriate action if ($success == 1) { if ($duplicateTransaction == 0) { $ipn->newOrderNotify($success, $privateData, $component, $amount, $transactionReference); } if ($component == "event") { $finalURL = CRM_Utils_System::url('civicrm/event/register', "_qf_ThankYou_display=1&qfKey={$qfKey}", FALSE, NULL, FALSE); } elseif ($component == "contribute") { $finalURL = CRM_Utils_System::url('civicrm/contribute/transact', "_qf_ThankYou_display=1&qfKey={$qfKey}", FALSE, NULL, FALSE); } CRM_Utils_System::redirect($finalURL); } else { if ($component == "event") { $finalURL = CRM_Utils_System::url('civicrm/event/confirm', "reset=1&cc=fail&participantId={$privateData['participantID']}", FALSE, NULL, FALSE); } elseif ($component == "contribute") { $finalURL = CRM_Utils_System::url('civicrm/contribute/transact', "_qf_Main_display=1&cancel=1&qfKey={$qfKey}", FALSE, NULL, FALSE); } CRM_Utils_System::redirect($finalURL); } }
/** * Main transaction function. * * @param array $params * Name value pair of contribution data. * * @param $component * * @return void */ public function doTransferCheckout(&$params, $component) { $component = strtolower($component); $config = CRM_Core_Config::singleton(); if ($component != 'contribute' && $component != 'event') { CRM_Core_Error::fatal(ts('Component is invalid')); } $url = $config->userFrameworkResourceURL . "extern/pxIPN.php"; if ($component == 'event') { $cancelURL = CRM_Utils_System::url('civicrm/event/register', "_qf_Confirm_display=true&qfKey={$params['qfKey']}", FALSE, NULL, FALSE); } elseif ($component == 'contribute') { $cancelURL = CRM_Utils_System::url('civicrm/contribute/transact', "_qf_Confirm_display=true&qfKey={$params['qfKey']}", FALSE, NULL, FALSE); } /* * Build the private data string to pass to DPS, which they will give back to us with the * * transaction result. We are building this as a comma-separated list so as to avoid long URLs. * * Parameters passed: a=contactID, b=contributionID,c=contributionTypeID,d=invoiceID,e=membershipID,f=participantID,g=eventID */ $privateData = "a={$params['contactID']},b={$params['contributionID']},c={$params['contributionTypeID']},d={$params['invoiceID']}"; if ($component == 'event') { $merchantRef = substr($params['contactID'] . "-" . $params['contributionID'] . " " . substr($params['description'], 27, 20), 0, 24); $privateData .= ",f={$params['participantID']},g={$params['eventID']}"; } elseif ($component == 'contribute') { $membershipID = CRM_Utils_Array::value('membershipID', $params); if ($membershipID) { $privateData .= ",e={$membershipID}"; } $merchantRef = substr($params['contactID'] . "-" . $params['contributionID'] . " " . substr($params['description'], 20, 20), 0, 24); } $dpsParams = array('AmountInput' => str_replace(",", "", number_format($params['amount'], 2)), 'CurrencyInput' => $params['currencyID'], 'MerchantReference' => $merchantRef, 'TxnData1' => $params['qfKey'], 'TxnData2' => $privateData, 'TxnData3' => $component . "," . $this->_paymentProcessor['id'], 'TxnType' => 'Purchase', 'TxnId' => '', 'UrlFail' => $url, 'UrlSuccess' => $url); // Allow further manipulation of params via custom hooks CRM_Utils_Hook::alterPaymentProcessorParams($this, $params, $dpsParams); /* * determine whether method is pxaccess or pxpay by whether signature (mac key) is defined */ if (empty($this->_paymentProcessor['signature'])) { /* * Processor is pxpay * * This contains the XML/Curl functions we'll need to generate the XML request */ $dpsParams['PxPayUserId'] = $this->_paymentProcessor['user_name']; $dpsParams['PxPayKey'] = $this->_paymentProcessor['password']; // Build a valid XML string to pass to DPS $generateRequest = CRM_Core_Payment_PaymentExpressUtils::_valueXml($dpsParams); $generateRequest = CRM_Core_Payment_PaymentExpressUtils::_valueXml('GenerateRequest', $generateRequest); // Get the special validated URL back from DPS by sending them the XML we've generated $curl = CRM_Core_Payment_PaymentExpressUtils::_initCURL($generateRequest, $this->_paymentProcessor['url_site']); $success = FALSE; if ($response = curl_exec($curl)) { curl_close($curl); $valid = CRM_Core_Payment_PaymentExpressUtils::_xmlAttribute($response, 'valid'); if (1 == $valid) { // the request was validated, so we'll get the URL and redirect to it $uri = CRM_Core_Payment_PaymentExpressUtils::_xmlElement($response, 'URI'); CRM_Utils_System::redirect($uri); } else { // redisplay confirmation page CRM_Utils_System::redirect($cancelURL); } } else { // calling DPS failed CRM_Core_Error::fatal(ts('Unable to establish connection to the payment gateway.')); } } else { $processortype = "pxaccess"; require_once 'PaymentExpress/pxaccess.inc.php'; // URL $PxAccess_Url = $this->_paymentProcessor['url_site']; // User ID $PxAccess_Userid = $this->_paymentProcessor['user_name']; // Your DES Key from DPS $PxAccess_Key = $this->_paymentProcessor['password']; // Your MAC key from DPS $Mac_Key = $this->_paymentProcessor['signature']; $pxaccess = new PxAccess($PxAccess_Url, $PxAccess_Userid, $PxAccess_Key, $Mac_Key); $request = new PxPayRequest(); $request->setAmountInput($dpsParams['AmountInput']); $request->setTxnData1($dpsParams['TxnData1']); $request->setTxnData2($dpsParams['TxnData2']); $request->setTxnData3($dpsParams['TxnData3']); $request->setTxnType($dpsParams['TxnType']); $request->setInputCurrency($dpsParams['InputCurrency']); $request->setMerchantReference($dpsParams['MerchantReference']); $request->setUrlFail($dpsParams['UrlFail']); $request->setUrlSuccess($dpsParams['UrlSuccess']); $request_string = $pxaccess->makeRequest($request); CRM_Utils_System::redirect($request_string); } }