', $error); } else { return NULL; } } /** * @param array $params * * @throws Exception */ public function setExpressCheckOut(&$params) { CRM_Core_Error::fatal(ts('This function is not implemented')); } /** * @param $token * * @throws Exception */ public function getExpressCheckoutDetails($token) { CRM_Core_Error::fatal(ts('This function is not implemented')); } /** * @param array $params * * @throws Exception */ public function doExpressCheckout(&$params) { CRM_Core_Error::fatal(ts('This function is not implemented')); } /** * This function collects all the information from a web/api form and invokes * the relevant payment processor specific functions to perform the transaction * * @param array $params * Assoc array of input parameters for this transaction. * * @return array|NULL * the result in an nice formatted array (or an error object) * @abstract */ public function doDirectPayment(&$params) { CRM_Core_Error::fatal(ts('This function is not implemented')); } /** * 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', // Leave this empty for now, causes an error with DPS if we populate it '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); } } }