', $errorMsg); } else { return NULL; } } /** * convert to a name/value pair (nvp) string * * @param $payflow_query_array * * @return array|string */ public function convert_to_nvp($payflow_query_array) { foreach ($payflow_query_array as $key => $value) { $payflow_query[] = $key . '[' . strlen($value) . ']=' . $value; } $payflow_query = implode('&', $payflow_query); return $payflow_query; } /** * Submit transaction using cURL * * @param string $submiturl Url to direct HTTPS GET to * @param $payflow_query value string to be posted * * @return mixed|object */ public function submit_transaction($submiturl, $payflow_query) { // get data ready for API $user_agent = $_SERVER['HTTP_USER_AGENT']; // Here's your custom headers; adjust appropriately for your setup: $headers[] = "Content-Type: text/namevalue"; //or text/xml if using XMLPay. $headers[] = "Content-Length : " . strlen($data); // Length of data to be passed // Here the server timeout value is set to 45, but notice // below in the cURL section, the timeout // for cURL is 90 seconds. You want to make sure the server // timeout is less, then the connection. $headers[] = "X-VPS-Timeout: 45"; //random unique number - the transaction is retried using this transaction ID // in this function but if that doesn't work and it is re- submitted // it is treated as a new attempt. Payflow Pro doesn't allow // you to change details (e.g. card no) when you re-submit // you can only try the same details $headers[] = "X-VPS-Request-ID: " . rand(1, 1000000000); // optional header field $headers[] = "X-VPS-VIT-Integration-Product: CiviCRM"; // other Optional Headers. If used adjust as necessary. // Name of your OS //$headers[] = "X-VPS-VIT-OS-Name: Linux"; // OS Version //$headers[] = "X-VPS-VIT-OS-Version: RHEL 4"; // What you are using //$headers[] = "X-VPS-VIT-Client-Type: PHP/cURL"; // For your info //$headers[] = "X-VPS-VIT-Client-Version: 0.01"; // For your info //$headers[] = "X-VPS-VIT-Client-Architecture: x86"; // Application version //$headers[] = "X-VPS-VIT-Integration-Version: 0.01"; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $submiturl); curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); curl_setopt($ch, CURLOPT_USERAGENT, $user_agent); curl_setopt($ch, CURLOPT_HEADER, 1); // tells curl to include headers in response curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); // return into a variable curl_setopt($ch, CURLOPT_TIMEOUT, 90); // times out after 90 secs if (ini_get('open_basedir') == '' && ini_get('safe_mode') == 'Off') { curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0); } curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, Civi::settings()->get('verifySSL')); // this line makes it work under https curl_setopt($ch, CURLOPT_POSTFIELDS, $payflow_query); //adding POST data curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, Civi::settings()->get('verifySSL') ? 2 : 0); //verifies ssl certificate curl_setopt($ch, CURLOPT_FORBID_REUSE, TRUE); //forces closure of connection when done curl_setopt($ch, CURLOPT_POST, 1); //data sent as POST // Try to submit the transaction up to 3 times with 5 second delay. This can be used // in case of network issues. The idea here is since you are posting via HTTPS there // could be general network issues, so try a few times before you tell customer there // is an issue. $i = 1; while ($i++ <= 3) { $responseData = curl_exec($ch); $responseHeaders = curl_getinfo($ch); if ($responseHeaders['http_code'] != 200) { // Let's wait 5 seconds to see if its a temporary network issue. sleep(5); } elseif ($responseHeaders['http_code'] == 200) { // we got a good response, drop out of loop. break; } } if ($responseHeaders['http_code'] != 200) { return self::errorExit(9015, "Error connecting to the Payflow Pro API server."); } /* * Transaction submitted - * See if we had a curl error - if so tell 'em and bail out * * NOTE: curl_error does not return a logical value (see its documentation), but * a string, which is empty when there was no error. */ if ((curl_errno($ch) > 0) || (strlen(curl_error($ch)) > 0)) { curl_close($ch); $errorNum = curl_errno($ch); $errorDesc = curl_error($ch); //Paranoia - in the unlikley event that 'curl' errno fails if ($errorNum == 0) { $errorNum = 9005; } // Paranoia - in the unlikley event that 'curl' error fails if (strlen($errorDesc) == 0) { $errorDesc = "Connection to payment gateway failed"; } if ($errorNum = 60) { return self::errorExit($errorNum, "Curl error - " . $errorDesc . " Try this link for more information http://curl.haxx.se/d ocs/sslcerts.html" ); } return self::errorExit($errorNum, "Curl error - " . $errorDesc . " processor response = " . $processorResponse ); } /* * If null data returned - tell 'em and bail out * * NOTE: You will not necessarily get a string back, if the request failed for * any reason, the return value will be the boolean false. */ if (($responseData === FALSE) || (strlen($responseData) == 0)) { curl_close($ch); return self::errorExit(9006, "Error: Connection to payment gateway failed - no data returned. Gateway url set to $submiturl"); } /* * If gateway returned no data - tell 'em and bail out */ if (empty($responseData)) { curl_close($ch); return self::errorExit(9007, "Error: No data returned from payment gateway."); } /* * Success so far - close the curl and check the data */ curl_close($ch); return $responseData; } }