function process_ipn_response($request = null)
{
if (!defined('PAYPAL_DEBUG_MODE')) {
define("PAYPAL_DEBUG_MODE", false);
}
// this prevents some kind of error in the core
$_SESSION = null;
if (DEBUG_MODE) {
SS_Log::add_writer(new SS_LogFileWriter(__DIR__ . "/log/paypal.transactions.txt"), SS_Log::WARN, '>');
}
if (DEBUG_MODE) {
SS_Log::log("IPN Started!", SS_Log::DEBUG);
}
// parse post variables, reformat the data to be sent back via socket
$data = "cmd=_notify-validate";
foreach ($_POST as $key => $value) {
$value = urlencode(stripslashes($value));
$data .= "&" . $key . "=" . $value;
}
// post back to PayPal system to validate
$header = "POST /cgi-bin/webscr HTTP/1.1\r\n";
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= "Host: www.paypal.com\r\n";
$header .= "Connection: close\r\n";
$header .= "Content-Length: " . strlen($data) . "\r\n\r\n";
$response = "NONE";
// send back the info
$socket_handle = fsockopen("ssl://www.paypal.com", 443, $errno, $errstr, 30);
if (DEBUG_MODE) {
SS_Log::log("header_debug:\n" . print_r($header, true) . "\n\n", SS_Log::DEBUG);
}
if (DEBUG_MODE) {
SS_Log::log("data_debug:\n" . print_r($data, true) . "\n\n", SS_Log::DEBUG);
}
if ($socket_handle) {
fputs($socket_handle, $header . $data);
while (!feof($socket_handle)) {
$response = fgets($socket_handle, 1024);
$response = trim($response);
if (DEBUG_MODE) {
SS_Log::log("response_debug:\n" . print_r($response, true) . "\n\n", SS_Log::DEBUG);
}
if (strcmp($response, "VERIFIED") == 0) {
$response = "VERIFIED";
} else {
if (strcmp($response, "INVALID") == 0) {
$response = "INVALID";
}
}
}
fclose($socket_handle);
}
if (DEBUG_MODE) {
SS_Log::log("paypal response: " . $response, SS_Log::DEBUG);
}
if (DEBUG_MODE) {
SS_Log::log(print_r($_POST, true), SS_Log::DEBUG);
}
if ($response == "INVALID") {
// we only care about completed interactions
exit(0);
}
// SUCCESS - Do something with the data
$Payment = new PaypalPayment();
$Payment->PaypalStorePageID = $this->ID;
$Payment->Date = SS_Datetime::now();
$Payment->TransactionID = isset($_POST['txn_id']) ? $_POST['txn_id'] : $_POST['ipn_track_id'];
$Payment->GatewayResponse = implode("\n", $_POST);
$Payment->Amount = isset($_POST['amount3']) ? $_POST['amount3'] : (isset($_POST['payment_gross']) ? $_POST['payment_gross'] : (isset($_POST['mc_gross']) ? $_POST['mc_gross'] : 0));
$Payment->ItemID = isset($_POST['item_number']) ? $_POST['item_number'] : null;
$Payment->ItemName = isset($_POST['item_name']) ? $_POST['item_name'] : null;
$Payment->Email = isset($_POST['payer_email']) ? $_POST['payer_email'] : null;
$Payment->Status = isset($_POST['payment_status']) ? $_POST['payment_status'] : null;
$Payment->Name = (isset($_POST['first_name']) ? $_POST['first_name'] : null) . ' ' . (isset($_POST['last_name']) ? $_POST['last_name'] : null);
$Payment->Street = isset($_POST['address_street']) ? $_POST['address_street'] : null;
$Payment->City = isset($_POST['address_city']) ? $_POST['address_city'] : null;
$Payment->State = isset($_POST['address_state']) ? $_POST['address_state'] : null;
$Payment->Country = isset($_POST['address_country']) ? $_POST['address_country'] : null;
$Payment->Zip = isset($_POST['address_zip']) ? $_POST['address_zip'] : null;
$Payment->PayerID = isset($_POST['payer_id']) ? $_POST['payer_id'] : null;
$Payment->write();
$Payment->OnSuccessfulPayment();
return $Payment;
}
