| 1 | <?php |
| 2 | /* |
| 3 | +----------------------------------------------------------------------------+ |
| 4 | | Payflow Pro Core Payment Module for CiviCRM version 5 | |
| 5 | +----------------------------------------------------------------------------+ |
| 6 | | Licensed to CiviCRM under the Academic Free License version 3.0 | |
| 7 | | | |
| 8 | | Written & Contributed by Eileen McNaughton - 2009 | |
| 9 | +---------------------------------------------------------------------------+ |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * Class CRM_Core_Payment_PayflowPro. |
| 14 | */ |
| 15 | class CRM_Core_Payment_PayflowPro extends CRM_Core_Payment { |
| 16 | // (not used, implicit in the API, might need to convert?) |
| 17 | const |
| 18 | CHARSET = 'UFT-8'; |
| 19 | |
| 20 | /** |
| 21 | * We only need one instance of this object. So we use the singleton |
| 22 | * pattern and cache the instance in this variable |
| 23 | * |
| 24 | * @var object |
| 25 | */ |
| 26 | static private $_singleton = NULL; |
| 27 | |
| 28 | /** |
| 29 | * Constructor |
| 30 | * |
| 31 | * @param string $mode |
| 32 | * The mode of operation: live or test. |
| 33 | * @param $paymentProcessor |
| 34 | */ |
| 35 | public function __construct($mode, &$paymentProcessor) { |
| 36 | // live or test |
| 37 | $this->_mode = $mode; |
| 38 | $this->_paymentProcessor = $paymentProcessor; |
| 39 | $this->_processorName = ts('Payflow Pro'); |
| 40 | } |
| 41 | |
| 42 | /* |
| 43 | * This function sends request and receives response from |
| 44 | * the processor. It is the main function for processing on-server |
| 45 | * credit card transactions |
| 46 | */ |
| 47 | /** |
| 48 | * This function collects all the information from a web/api form and invokes |
| 49 | * the relevant payment processor specific functions to perform the transaction |
| 50 | * |
| 51 | * @param array $params |
| 52 | * Assoc array of input parameters for this transaction. |
| 53 | * |
| 54 | * @return array |
| 55 | * the result in an nice formatted array (or an error object) |
| 56 | * @abstract |
| 57 | */ |
| 58 | public function doDirectPayment(&$params) { |
| 59 | if (!defined('CURLOPT_SSLCERT')) { |
| 60 | CRM_Core_Error::fatal(ts('Payflow Pro requires curl with SSL support')); |
| 61 | } |
| 62 | |
| 63 | /* |
| 64 | * define variables for connecting with the gateway |
| 65 | */ |
| 66 | |
| 67 | // Are you using the Payflow Fraud Protection Service? |
| 68 | // Default is YES, change to NO or blank if not. |
| 69 | //This has not been investigated as part of writing this payment processor |
| 70 | $fraud = 'NO'; |
| 71 | //if you have not set up a separate user account the vendor name is used as the username |
| 72 | if (!$this->_paymentProcessor['subject']) { |
| 73 | $user = $this->_paymentProcessor['user_name']; |
| 74 | } |
| 75 | else { |
| 76 | $user = $this->_paymentProcessor['subject']; |
| 77 | } |
| 78 | |
| 79 | // ideally this id would be passed through into this class as |
| 80 | // part of the paymentProcessor |
| 81 | //object with the other variables. It seems inefficient to re-query to get it. |
| 82 | //$params['processor_id'] = CRM_Core_DAO::getFieldValue( |
| 83 | // 'CRM_Contribute_DAO_ContributionP |
| 84 | //age',$params['contributionPageID'], 'payment_processor_id' ); |
| 85 | |
| 86 | /* |
| 87 | *Create the array of variables to be sent to the processor from the $params array |
| 88 | * passed into this function |
| 89 | * |
| 90 | */ |
| 91 | |
| 92 | $payflow_query_array = array( |
| 93 | 'USER' => $user, |
| 94 | 'VENDOR' => $this->_paymentProcessor['user_name'], |
| 95 | 'PARTNER' => $this->_paymentProcessor['signature'], |
| 96 | 'PWD' => $this->_paymentProcessor['password'], |
| 97 | // C - Direct Payment using credit card |
| 98 | 'TENDER' => 'C', |
| 99 | // A - Authorization, S - Sale |
| 100 | 'TRXTYPE' => 'S', |
| 101 | 'ACCT' => urlencode($params['credit_card_number']), |
| 102 | 'CVV2' => $params['cvv2'], |
| 103 | 'EXPDATE' => urlencode(sprintf('%02d', (int) $params['month']) . substr($params['year'], 2, 2)), |
| 104 | 'ACCTTYPE' => urlencode($params['credit_card_type']), |
| 105 | 'AMT' => urlencode($this->getAmount($params)), |
| 106 | 'CURRENCY' => urlencode($params['currency']), |
| 107 | 'FIRSTNAME' => $params['billing_first_name'], |
| 108 | //credit card name |
| 109 | 'LASTNAME' => $params['billing_last_name'], |
| 110 | //credit card name |
| 111 | 'STREET' => $params['street_address'], |
| 112 | 'CITY' => urlencode($params['city']), |
| 113 | 'STATE' => urlencode($params['state_province']), |
| 114 | 'ZIP' => urlencode($params['postal_code']), |
| 115 | 'COUNTRY' => urlencode($params['country']), |
| 116 | 'EMAIL' => $params['email'], |
| 117 | 'CUSTIP' => urlencode($params['ip_address']), |
| 118 | 'COMMENT1' => urlencode($params['contributionType_accounting_code']), |
| 119 | 'COMMENT2' => $mode, |
| 120 | 'INVNUM' => urlencode($params['invoiceID']), |
| 121 | 'ORDERDESC' => urlencode($params['description']), |
| 122 | 'VERBOSITY' => 'MEDIUM', |
| 123 | 'BILLTOCOUNTRY' => urlencode($params['country']), |
| 124 | ); |
| 125 | |
| 126 | if ($params['installments'] == 1) { |
| 127 | $params['is_recur'] = FALSE; |
| 128 | } |
| 129 | |
| 130 | if ($params['is_recur'] == TRUE) { |
| 131 | |
| 132 | $payflow_query_array['TRXTYPE'] = 'R'; |
| 133 | $payflow_query_array['OPTIONALTRX'] = 'S'; |
| 134 | $payflow_query_array['OPTIONALTRXAMT'] = $this->getAmount($params); |
| 135 | //Amount of the initial Transaction. Required |
| 136 | $payflow_query_array['ACTION'] = 'A'; |
| 137 | //A for add recurring (M-modify,C-cancel,R-reactivate,I-inquiry,P-payment |
| 138 | $payflow_query_array['PROFILENAME'] = urlencode('RegularContribution'); |
| 139 | //A for add recurring (M-modify,C-cancel,R-reactivate,I-inquiry,P-payment |
| 140 | if ($params['installments'] > 0) { |
| 141 | $payflow_query_array['TERM'] = $params['installments'] - 1; |
| 142 | //ie. in addition to the one happening with this transaction |
| 143 | } |
| 144 | // $payflow_query_array['COMPANYNAME'] |
| 145 | // $payflow_query_array['DESC'] = not set yet Optional |
| 146 | // description of the goods or |
| 147 | //services being purchased. |
| 148 | //This parameter applies only for ACH_CCD accounts. |
| 149 | // The |
| 150 | // $payflow_query_array['MAXFAILPAYMENTS'] = 0; |
| 151 | // number of payment periods (as s |
| 152 | //pecified by PAYPERIOD) for which the transaction is allowed |
| 153 | //to fail before PayPal cancels a profile. the default |
| 154 | // value of 0 (zero) specifies no |
| 155 | //limit. Retry |
| 156 | //attempts occur until the term is complete. |
| 157 | // $payflow_query_array['RETRYNUMDAYS'] = (not set as can't assume business rule |
| 158 | |
| 159 | switch ($params['frequency_unit']) { |
| 160 | case '1 week': |
| 161 | $params['next_sched_contribution_date'] = mktime(0, 0, 0, date("m"), date("d") + 7, |
| 162 | date("Y") |
| 163 | ); |
| 164 | $params['end_date'] = mktime(0, 0, 0, date("m"), date("d") + (7 * $payflow_query_array['TERM']), |
| 165 | date("Y") |
| 166 | ); |
| 167 | $payflow_query_array['START'] = date('mdY', $params['next_sched_contribution_date']); |
| 168 | $payflow_query_array['PAYPERIOD'] = "WEEK"; |
| 169 | $params['frequency_unit'] = "week"; |
| 170 | $params['frequency_interval'] = 1; |
| 171 | break; |
| 172 | |
| 173 | case '2 weeks': |
| 174 | $params['next_sched_contribution_date'] = mktime(0, 0, 0, date("m"), date("d") + 14, date("Y")); |
| 175 | $params['end_date'] = mktime(0, 0, 0, date("m"), date("d") + (14 * $payflow_query_array['TERM']), date("Y ") |
| 176 | ); |
| 177 | $payflow_query_array['START'] = date('mdY', $params['next_sched_contribution_date']); |
| 178 | $payflow_query_array['PAYPERIOD'] = "BIWK"; |
| 179 | $params['frequency_unit'] = "week"; |
| 180 | $params['frequency_interval'] = 2; |
| 181 | break; |
| 182 | |
| 183 | case '4 weeks': |
| 184 | $params['next_sched_contribution_date'] = mktime(0, 0, 0, date("m"), date("d") + 28, date("Y") |
| 185 | ); |
| 186 | $params['end_date'] = mktime(0, 0, 0, date("m"), date("d") + (28 * $payflow_query_array['TERM']), date("Y") |
| 187 | ); |
| 188 | $payflow_query_array['START'] = date('mdY', $params['next_sched_contribution_date']); |
| 189 | $payflow_query_array['PAYPERIOD'] = "FRWK"; |
| 190 | $params['frequency_unit'] = "week"; |
| 191 | $params['frequency_interval'] = 4; |
| 192 | break; |
| 193 | |
| 194 | case '1 month': |
| 195 | $params['next_sched_contribution_date'] = mktime(0, 0, 0, date("m") + 1, |
| 196 | date("d"), date("Y") |
| 197 | ); |
| 198 | $params['end_date'] = mktime(0, 0, 0, date("m") + |
| 199 | (1 * $payflow_query_array['TERM']), |
| 200 | date("d"), date("Y") |
| 201 | ); |
| 202 | $payflow_query_array['START'] = date('mdY', $params['next_sched_contribution_date']); |
| 203 | $payflow_query_array['PAYPERIOD'] = "MONT"; |
| 204 | $params['frequency_unit'] = "month"; |
| 205 | $params['frequency_interval'] = 1; |
| 206 | break; |
| 207 | |
| 208 | case '3 months': |
| 209 | $params['next_sched_contribution_date'] = mktime(0, 0, 0, date("m") + 3, date("d"), date("Y") |
| 210 | ); |
| 211 | $params['end_date'] = mktime(0, 0, 0, date("m") + |
| 212 | (3 * $payflow_query_array['TERM']), |
| 213 | date("d"), date("Y") |
| 214 | ); |
| 215 | $payflow_query_array['START'] = date('mdY', $params['next_sched_contribution_date']); |
| 216 | $payflow_query_array['PAYPERIOD'] = "QTER"; |
| 217 | $params['frequency_unit'] = "month"; |
| 218 | $params['frequency_interval'] = 3; |
| 219 | break; |
| 220 | |
| 221 | case '6 months': |
| 222 | $params['next_sched_contribution_date'] = mktime(0, 0, 0, date("m") + 6, date("d"), |
| 223 | date("Y") |
| 224 | ); |
| 225 | $params['end_date'] = mktime(0, 0, 0, date("m") + |
| 226 | (6 * $payflow_query_array['TERM']), |
| 227 | date("d"), date("Y") |
| 228 | ); |
| 229 | $payflow_query_array['START'] = date('mdY', $params['next_sched_contribution_date'] |
| 230 | ); |
| 231 | $payflow_query_array['PAYPERIOD'] = "SMYR"; |
| 232 | $params['frequency_unit'] = "month"; |
| 233 | $params['frequency_interval'] = 6; |
| 234 | break; |
| 235 | |
| 236 | case '1 year': |
| 237 | $params['next_sched_contribution_date'] = mktime(0, 0, 0, date("m"), date("d"), |
| 238 | date("Y") + 1 |
| 239 | ); |
| 240 | $params['end_date'] = mktime(0, 0, 0, date("m"), date("d"), |
| 241 | date("Y") + |
| 242 | (1 * $payflow_query_array['TEM']) |
| 243 | ); |
| 244 | $payflow_query_array['START'] = date('mdY', $params['next_sched_contribution_date']); |
| 245 | $payflow_query_array['PAYPERIOD'] = "YEAR"; |
| 246 | $params['frequency_unit'] = "year"; |
| 247 | $params['frequency_interval'] = 1; |
| 248 | break; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | CRM_Utils_Hook::alterPaymentProcessorParams($this, $params, $payflow_query_array); |
| 253 | $payflow_query = $this->convert_to_nvp($payflow_query_array); |
| 254 | |
| 255 | /* |
| 256 | * Check to see if we have a duplicate before we send |
| 257 | */ |
| 258 | if ($this->checkDupe($params['invoiceID'], CRM_Utils_Array::value('contributionID', $params))) { |
| 259 | return self::errorExit(9003, 'It appears that this transaction is a duplicate. Have you already submitted the form once? If so there may have been a connection problem. Check your email for a receipt. If you do not receive a receipt within 2 hours you can try your transaction again. If you continue to have problems please contact the site administrator.'); |
| 260 | } |
| 261 | |
| 262 | // ie. url at payment processor to submit to. |
| 263 | $submiturl = $this->_paymentProcessor['url_site']; |
| 264 | |
| 265 | $responseData = self::submit_transaction($submiturl, $payflow_query); |
| 266 | |
| 267 | /* |
| 268 | * Payment successfully sent to gateway - process the response now |
| 269 | */ |
| 270 | $result = strstr($responseData, "RESULT"); |
| 271 | if (empty($result)) { |
| 272 | return self::errorExit(9016, "No RESULT code from PayPal."); |
| 273 | } |
| 274 | |
| 275 | $nvpArray = array(); |
| 276 | while (strlen($result)) { |
| 277 | // name |
| 278 | $keypos = strpos($result, '='); |
| 279 | $keyval = substr($result, 0, $keypos); |
| 280 | // value |
| 281 | $valuepos = strpos($result, '&') ? strpos($result, '&') : strlen($result); |
| 282 | $valval = substr($result, $keypos + 1, $valuepos - $keypos - 1); |
| 283 | // decoding the respose |
| 284 | $nvpArray[$keyval] = $valval; |
| 285 | $result = substr($result, $valuepos + 1, strlen($result)); |
| 286 | } |
| 287 | // get the result code to validate. |
| 288 | $result_code = $nvpArray['RESULT']; |
| 289 | /*debug |
| 290 | echo "<p>Params array</p><br>"; |
| 291 | print_r($params); |
| 292 | echo "<p></p><br>"; |
| 293 | echo "<p>Values to Payment Processor</p><br>"; |
| 294 | print_r($payflow_query_array); |
| 295 | echo "<p></p><br>"; |
| 296 | echo "<p>Results from Payment Processor</p><br>"; |
| 297 | print_r($nvpArray); |
| 298 | echo "<p></p><br>"; |
| 299 | */ |
| 300 | |
| 301 | switch ($result_code) { |
| 302 | case 0: |
| 303 | |
| 304 | /******************************************************* |
| 305 | * Success ! |
| 306 | * This is a successful transaction. Payflow Pro does return further information |
| 307 | * about transactions to help you identify fraud including whether they pass |
| 308 | * the cvv check, the avs check. This is stored in |
| 309 | * CiviCRM as part of the transact |
| 310 | * but not further processing is done. Business rules would need to be defined |
| 311 | *******************************************************/ |
| 312 | $params['trxn_id'] = $nvpArray['PNREF'] . $nvpArray['TRXPNREF']; |
| 313 | //'trxn_id' is varchar(255) field. returned value is length 12 |
| 314 | $params['trxn_result_code'] = $nvpArray['AUTHCODE'] . "-Cvv2:" . $nvpArray['CVV2MATCH'] . "-avs:" . $nvpArray['AVSADDR']; |
| 315 | |
| 316 | if ($params['is_recur'] == TRUE) { |
| 317 | $params['recur_trxn_id'] = $nvpArray['PROFILEID']; |
| 318 | //'trxn_id' is varchar(255) field. returned value is length 12 |
| 319 | } |
| 320 | return $params; |
| 321 | |
| 322 | case 1: |
| 323 | return self::errorExit(9008, "There is a payment processor configuration problem. This is usually due to invalid account information or ip restrictions on the account. You can verify ip restriction by logging // into Manager. See Service Settings >> Allowed IP Addresses. "); |
| 324 | |
| 325 | case 12: |
| 326 | // Hard decline from bank. |
| 327 | return self::errorExit(9009, "Your transaction was declined "); |
| 328 | |
| 329 | case 13: |
| 330 | // Voice authorization required. |
| 331 | return self::errorExit(9010, "Your Transaction is pending. Contact Customer Service to complete your order."); |
| 332 | |
| 333 | case 23: |
| 334 | // Issue with credit card number or expiration date. |
| 335 | return self::errorExit(9011, "Invalid credit card information. Please re-enter."); |
| 336 | |
| 337 | case 26: |
| 338 | return self::errorExit(9012, "You have not configured your payment processor with the correct credentials. Make sure you have provided both the <vendor> and the <user> variables "); |
| 339 | |
| 340 | default: |
| 341 | return self::errorExit(9013, "Error - from payment processor: [" . $result_code . " " . $nvpArray['RESPMSG'] . "] "); |
| 342 | } |
| 343 | |
| 344 | return self::errorExit(9014, "Check the code - all transactions should have been headed off before they got here. Something slipped through the net"); |
| 345 | } |
| 346 | |
| 347 | /** |
| 348 | * Produces error message and returns from class |
| 349 | * |
| 350 | * @param null $errorCode |
| 351 | * @param null $errorMessage |
| 352 | * |
| 353 | * @return object |
| 354 | */ |
| 355 | public function &errorExit($errorCode = NULL, $errorMessage = NULL) { |
| 356 | $e = CRM_Core_Error::singleton(); |
| 357 | if ($errorCode) { |
| 358 | $e->push($errorCode, 0, NULL, $errorMessage); |
| 359 | } |
| 360 | else { |
| 361 | $e->push(9000, 0, NULL, 'Unknown System Error.'); |
| 362 | } |
| 363 | return $e; |
| 364 | } |
| 365 | |
| 366 | |
| 367 | /** |
| 368 | * NOTE: 'doTransferCheckout' not implemented |
| 369 | * |
| 370 | * @param array $params |
| 371 | * @param $component |
| 372 | * |
| 373 | * @throws Exception |
| 374 | */ |
| 375 | public function doTransferCheckout(&$params, $component) { |
| 376 | CRM_Core_Error::fatal(ts('This function is not implemented')); |
| 377 | } |
| 378 | |
| 379 | /** |
| 380 | * This public function checks to see if we have the right processor config values set |
| 381 | * |
| 382 | * NOTE: Called by Events and Contribute to check config params are set prior to trying |
| 383 | * register any credit card details |
| 384 | * |
| 385 | * @return string|null |
| 386 | * the error message if any, null if OK |
| 387 | */ |
| 388 | public function checkConfig() { |
| 389 | $errorMsg = array(); |
| 390 | if (empty($this->_paymentProcessor['user_name'])) { |
| 391 | $errorMsg[] = ' ' . ts('ssl_merchant_id is not set for this payment processor'); |
| 392 | } |
| 393 | |
| 394 | if (empty($this->_paymentProcessor['url_site'])) { |
| 395 | $errorMsg[] = ' ' . ts('URL is not set for %1', array(1 => $this->_paymentProcessor['name'])); |
| 396 | } |
| 397 | |
| 398 | if (!empty($errorMsg)) { |
| 399 | return implode('<p>', $errorMsg); |
| 400 | } |
| 401 | else { |
| 402 | return NULL; |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * convert to a name/value pair (nvp) string |
| 408 | * |
| 409 | * @param $payflow_query_array |
| 410 | * |
| 411 | * @return array|string |
| 412 | */ |
| 413 | public function convert_to_nvp($payflow_query_array) { |
| 414 | foreach ($payflow_query_array as $key => $value) { |
| 415 | $payflow_query[] = $key . '[' . strlen($value) . ']=' . $value; |
| 416 | } |
| 417 | $payflow_query = implode('&', $payflow_query); |
| 418 | |
| 419 | return $payflow_query; |
| 420 | } |
| 421 | |
| 422 | /** |
| 423 | * Submit transaction using cURL |
| 424 | * |
| 425 | * @param string $submiturl Url to direct HTTPS GET to |
| 426 | * @param $payflow_query value string to be posted |
| 427 | * |
| 428 | * @return mixed|object |
| 429 | */ |
| 430 | public function submit_transaction($submiturl, $payflow_query) { |
| 431 | // get data ready for API |
| 432 | $user_agent = $_SERVER['HTTP_USER_AGENT']; |
| 433 | // Here's your custom headers; adjust appropriately for your setup: |
| 434 | $headers[] = "Content-Type: text/namevalue"; |
| 435 | //or text/xml if using XMLPay. |
| 436 | $headers[] = "Content-Length : " . strlen($data); |
| 437 | // Length of data to be passed |
| 438 | // Here the server timeout value is set to 45, but notice |
| 439 | // below in the cURL section, the timeout |
| 440 | // for cURL is 90 seconds. You want to make sure the server |
| 441 | // timeout is less, then the connection. |
| 442 | $headers[] = "X-VPS-Timeout: 45"; |
| 443 | //random unique number - the transaction is retried using this transaction ID |
| 444 | // in this function but if that doesn't work and it is re- submitted |
| 445 | // it is treated as a new attempt. Payflow Pro doesn't allow |
| 446 | // you to change details (e.g. card no) when you re-submit |
| 447 | // you can only try the same details |
| 448 | $headers[] = "X-VPS-Request-ID: " . rand(1, 1000000000); |
| 449 | // optional header field |
| 450 | $headers[] = "X-VPS-VIT-Integration-Product: CiviCRM"; |
| 451 | // other Optional Headers. If used adjust as necessary. |
| 452 | // Name of your OS |
| 453 | //$headers[] = "X-VPS-VIT-OS-Name: Linux"; |
| 454 | // OS Version |
| 455 | //$headers[] = "X-VPS-VIT-OS-Version: RHEL 4"; |
| 456 | // What you are using |
| 457 | //$headers[] = "X-VPS-VIT-Client-Type: PHP/cURL"; |
| 458 | // For your info |
| 459 | //$headers[] = "X-VPS-VIT-Client-Version: 0.01"; |
| 460 | // For your info |
| 461 | //$headers[] = "X-VPS-VIT-Client-Architecture: x86"; |
| 462 | // Application version |
| 463 | //$headers[] = "X-VPS-VIT-Integration-Version: 0.01"; |
| 464 | $ch = curl_init(); |
| 465 | curl_setopt($ch, CURLOPT_URL, $submiturl); |
| 466 | curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); |
| 467 | curl_setopt($ch, CURLOPT_USERAGENT, $user_agent); |
| 468 | curl_setopt($ch, CURLOPT_HEADER, 1); |
| 469 | // tells curl to include headers in response |
| 470 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); |
| 471 | // return into a variable |
| 472 | curl_setopt($ch, CURLOPT_TIMEOUT, 90); |
| 473 | // times out after 90 secs |
| 474 | if (ini_get('open_basedir') == '' && ini_get('safe_mode') == 'Off') { |
| 475 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0); |
| 476 | } |
| 477 | curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, Civi::settings()->get('verifySSL')); |
| 478 | // this line makes it work under https |
| 479 | curl_setopt($ch, CURLOPT_POSTFIELDS, $payflow_query); |
| 480 | //adding POST data |
| 481 | curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, Civi::settings()->get('verifySSL') ? 2 : 0); |
| 482 | //verifies ssl certificate |
| 483 | curl_setopt($ch, CURLOPT_FORBID_REUSE, TRUE); |
| 484 | //forces closure of connection when done |
| 485 | curl_setopt($ch, CURLOPT_POST, 1); |
| 486 | //data sent as POST |
| 487 | |
| 488 | // Try to submit the transaction up to 3 times with 5 second delay. This can be used |
| 489 | // in case of network issues. The idea here is since you are posting via HTTPS there |
| 490 | // could be general network issues, so try a few times before you tell customer there |
| 491 | // is an issue. |
| 492 | |
| 493 | $i = 1; |
| 494 | while ($i++ <= 3) { |
| 495 | $responseData = curl_exec($ch); |
| 496 | $responseHeaders = curl_getinfo($ch); |
| 497 | if ($responseHeaders['http_code'] != 200) { |
| 498 | // Let's wait 5 seconds to see if its a temporary network issue. |
| 499 | sleep(5); |
| 500 | } |
| 501 | elseif ($responseHeaders['http_code'] == 200) { |
| 502 | // we got a good response, drop out of loop. |
| 503 | break; |
| 504 | } |
| 505 | } |
| 506 | if ($responseHeaders['http_code'] != 200) { |
| 507 | return self::errorExit(9015, "Error connecting to the Payflow Pro API server."); |
| 508 | } |
| 509 | |
| 510 | /* |
| 511 | * Transaction submitted - |
| 512 | * See if we had a curl error - if so tell 'em and bail out |
| 513 | * |
| 514 | * NOTE: curl_error does not return a logical value (see its documentation), but |
| 515 | * a string, which is empty when there was no error. |
| 516 | */ |
| 517 | if ((curl_errno($ch) > 0) || (strlen(curl_error($ch)) > 0)) { |
| 518 | curl_close($ch); |
| 519 | $errorNum = curl_errno($ch); |
| 520 | $errorDesc = curl_error($ch); |
| 521 | |
| 522 | //Paranoia - in the unlikley event that 'curl' errno fails |
| 523 | if ($errorNum == 0) { |
| 524 | $errorNum = 9005; |
| 525 | } |
| 526 | |
| 527 | // Paranoia - in the unlikley event that 'curl' error fails |
| 528 | if (strlen($errorDesc) == 0) { |
| 529 | $errorDesc = "Connection to payment gateway failed"; |
| 530 | } |
| 531 | if ($errorNum = 60) { |
| 532 | return self::errorExit($errorNum, "Curl error - " . $errorDesc . |
| 533 | " Try this link for more information http://curl.haxx.se/d |
| 534 | ocs/sslcerts.html" |
| 535 | ); |
| 536 | } |
| 537 | |
| 538 | return self::errorExit($errorNum, "Curl error - " . $errorDesc . |
| 539 | " processor response = " . $processorResponse |
| 540 | ); |
| 541 | } |
| 542 | |
| 543 | /* |
| 544 | * If null data returned - tell 'em and bail out |
| 545 | * |
| 546 | * NOTE: You will not necessarily get a string back, if the request failed for |
| 547 | * any reason, the return value will be the boolean false. |
| 548 | */ |
| 549 | if (($responseData === FALSE) || (strlen($responseData) == 0)) { |
| 550 | curl_close($ch); |
| 551 | return self::errorExit(9006, "Error: Connection to payment gateway failed - no data |
| 552 | returned. Gateway url set to $submiturl"); |
| 553 | } |
| 554 | |
| 555 | /* |
| 556 | * If gateway returned no data - tell 'em and bail out |
| 557 | */ |
| 558 | if (empty($responseData)) { |
| 559 | curl_close($ch); |
| 560 | return self::errorExit(9007, "Error: No data returned from payment gateway."); |
| 561 | } |
| 562 | |
| 563 | /* |
| 564 | * Success so far - close the curl and check the data |
| 565 | */ |
| 566 | curl_close($ch); |
| 567 | return $responseData; |
| 568 | } |
| 569 | |
| 570 | } |