function dispatch_paid_rsvp_update($event_id, $amount, $booking_id)
{
$booking = Eab_EventModel::get_booking($booking_id);
if (!is_object($booking) || empty($booking->event_id) || empty($booking->user_id) || $booking->event_id != $event_id) {
return false;
}
$this->_send_notification_email($event_id, $booking->user_id);
}
function process_paypal_ipn()
{
$req = 'cmd=_notify-validate';
$request = $_REQUEST;
$post_values = "";
$cart = array();
foreach ($request as $key => $value) {
$value = urlencode(stripslashes($value));
$req .= "&{$key}={$value}";
$post_values .= " {$key} : {$value}\n";
}
$pay_to_email = $request['receiver_email'];
$pay_from_email = $request['payer_email'];
$transaction_id = $request['txn_id'];
$status = $request['payment_status'];
$amount = $request['mc_gross'];
$ticket_count = $request['quantity'];
// Ticket count is the number of paid for tickets
$currency = $request['mc_currency'];
$test_ipn = $request['test_ipn'];
$event_id = $request['item_number'];
$booking_id = (int) $request['booking_id'];
$blog_id = (int) $request['blog_id'];
if (is_multisite()) {
switch_to_blog($blog_id);
}
$eab_options = get_option('incsub_event_default');
$header = "";
// post back to PayPal system to validate
$header .= "POST /cgi-bin/webscr HTTP/1.1\r\n";
// Sandbox host: http://stackoverflow.com/questions/17477815/receiving-error-invalid-host-header-from-paypal-ipn
if ((int) @$eab_options['paypal_sandbox'] == 1) {
$header .= "Host: www.sandbox.paypal.com\r\n";
} else {
$header .= "Host: www.paypal.com\r\n";
}
// End host
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= "Connection: Close\r\n";
$header .= "Content-Length: " . strlen($req) . "\r\n\r\n";
if ((int) @$eab_options['paypal_sandbox'] == 1) {
$fp = fsockopen('ssl://www.sandbox.paypal.com', 443, $errno, $errstr, 30);
} else {
$fp = fsockopen('ssl://www.paypal.com', 443, $errno, $errstr, 30);
}
define('EAB_PROCESSING_PAYPAL_IPN', true);
$booking_obj = Eab_EventModel::get_booking($booking_id);
if (!$booking_obj || !$booking_obj->id) {
header('HTTP/1.0 404 Not Found');
header('Content-type: text/plain; charset=UTF-8');
print 'Booking not found';
exit(0);
}
if ($booking_obj->event_id != $event_id) {
header('HTTP/1.0 404 Not Found');
header('Content-type: text/plain; charset=UTF-8');
print 'Fake event id. REF: PP0';
exit(0);
}
if (@$eab_options['currency'] != $currency) {
header('HTTP/1.0 400 Bad Request');
header('Content-type: text/plain; charset=UTF-8');
print 'We were not expecting you. REF: PP1';
exit(0);
}
if ($amount != $ticket_count * apply_filters('eab-payment-event_price-for_user', get_post_meta($event_id, 'incsub_event_fee', true), $event_id, $booking_obj->user_id)) {
header('HTTP/1.0 400 Bad Request');
header('Content-type: text/plain; charset=UTF-8');
print 'We were not expecting you. REF: PP2';
exit(0);
}
if (!$ticket_count) {
header('HTTP/1.0 400 Bad Request');
header('Content-type: text/plain; charset=UTF-8');
print 'Cheapskate. REF: PP2';
exit(0);
}
if (strtolower($pay_to_email) != strtolower(@$eab_options['paypal_email'])) {
header('HTTP/1.0 400 Bad Request');
header('Content-type: text/plain; charset=UTF-8');
print 'We were not expecting you. REF: PP3';
exit(0);
}
if (!$fp) {
header('HTTP/1.0 400 Bad Request');
header('Content-type: text/plain; charset=UTF-8');
print 'We were not expecting you. REF: PP4';
exit(0);
} else {
fputs($fp, $header . $req);
while (!feof($fp)) {
$res = trim(fgets($fp, 1024));
if (strcmp($res, "VERIFIED") == 0) {
break;
}
if (strcmp($res, "INVALID") == 0) {
break;
}
}
if (strcmp($res, "VERIFIED") == 0) {
if ($test_ipn == 1) {
if ((int) @$eab_options['paypal_sandbox'] == 1) {
// Sandbox, it's allowed so do stuff
Eab_EventModel::update_booking_meta($booking_obj->id, 'booking_transaction_key', $transaction_id);
Eab_EventModel::update_booking_meta($booking_obj->id, 'booking_ticket_count', $ticket_count);
do_action('eab-ipn-event_paid', $event_id, $amount, $booking_obj->id);
} else {
// Sandbox, not allowed, bail out
header('HTTP/1.0 400 Bad Request');
header('Content-type: text/plain; charset=UTF-8');
print 'We were not expecting you. REF: PP1';
exit(0);
}
} else {
// Paid
Eab_EventModel::update_booking_meta($booking_obj->id, 'booking_transaction_key', $transaction_id);
Eab_EventModel::update_booking_meta($booking_obj->id, 'booking_ticket_count', $ticket_count);
do_action('eab-ipn-event_paid', $event_id, $amount, $booking_obj->id);
}
header('HTTP/1.0 200 OK');
header('Content-type: text/plain; charset=UTF-8');
print 'Success';
exit(0);
} else {
if (strcmp($res, "INVALID") == 0) {
$message = "Invalid PayPal IPN {$transaction_id}";
}
}
fclose($fp);
}
if (is_multisite()) {
restore_current_blog();
}
header('HTTP/1.0 200 OK');
header('Content-type: text/plain; charset=UTF-8');
print 'Thank you very much for letting us know. REF: ' . $message;
exit(0);
}
