function validateIPN($data)
{
// parse the paypal URL
$url = plgPaymentPaypalHelper::buildPaypalUrl();
$this->paypal_url = $url;
$url_parsed = parse_url($url);
// generate the post string from the _POST vars aswell as load the
// _POST vars into an arry so we can play with them from the calling
// script.
// append ipn command
// open the connection to paypal
$fp = fsockopen($url_parsed[host], "80", $err_num, $err_str, 30);
// $fp = fsockopen ($this->paypal_url, 80, $errno, $errstr, 30);
if (!$fp) {
// could not open the connection. If loggin is on, the error message
// will be in the log.
$this->last_error = "fsockopen error no. {$errnum}: {$errstr}";
plgPaymentPaypalHelper::log_ipn_results(false);
return false;
} else {
$post_string = '';
foreach ($data as $field => $value) {
$this->ipn_data["{$field}"] = $value;
$post_string .= $field . '=' . urlencode(stripslashes($value)) . '&';
}
$post_string .= "cmd=_notify-validate";
// Post the data back to paypal
fputs($fp, "POST {$url_parsed['path']} HTTP/1.1\r\n");
fputs($fp, "Host: {$url_parsed['host']}\r\n");
fputs($fp, "Content-type: application/x-www-form-urlencoded\r\n");
fputs($fp, "Content-length: " . strlen($post_string) . "\r\n");
fputs($fp, "Connection: close\r\n\r\n");
fputs($fp, $post_string . "\r\n\r\n");
// loop through the response from the server and append to variable
while (!feof($fp)) {
$this->ipn_response .= fgets($fp, 1024);
}
fclose($fp);
// close connection
}
if (eregi("verified", $post_string)) {
// Valid IPN transaction.
plgPaymentPaypalHelper::log_ipn_results(true);
return true;
} else {
// Invalid IPN transaction. Check the log for details.
$this->last_error = 'IPN Validation Failed.';
plgPaymentPaypalHelper::log_ipn_results(false);
return false;
}
}
function onTP_GetHTML($vars)
{
$plgPaymentPaypalHelper = new plgPaymentPaypalHelper();
$vars->action_url = $plgPaymentPaypalHelper->buildPaypalUrl();
//Take this receiver email address from plugin if component not provided it
if (empty($vars->business)) {
$vars->business = $this->params->get('business');
}
//if component does not provide cmd
if (empty($vars->cmd)) {
$vars->cmd = '_xclick';
}
$html = $this->buildLayout($vars);
return $html;
}
function onTP_ProcessSubmitRecurring($data, $vars)
{
//Take this receiver email address from plugin if component not provided it
if (empty($vars->business)) {
$submitVaues['business'] = $this->params->get('business');
} else {
$submitVaues['business'] = $vars->business;
}
//if component does not provide cmd
if (empty($vars->cmd)) {
$submitVaues['cmd'] = '_xclick-subscriptions';
} else {
$submitVaues['cmd'] = $vars->cmd;
}
$submitVaues['custom'] = $vars->order_id;
$submitVaues['item_name'] = $vars->item_name;
$submitVaues['return'] = $vars->return;
$submitVaues['cancel_return'] = $vars->cancel_return;
$submitVaues['notify_url'] = $vars->notify_url;
$submitVaues['currency_code'] = $vars->currency_code;
$submitVaues['no_note'] = '1';
$submitVaues['rm'] = '2';
$submitVaues['a3'] = $vars->amount;
if ($vars->recurring_frequency == 'QUARTERLY') {
$submitVaues['p3'] = 3;
$submitVaues['t3'] = 'MONTH';
} else {
$submitVaues['p3'] = 1;
$submitVaues['t3'] = $vars->recurring_frequency;
}
$submitVaues['srt'] = $vars->recurring_count;
$submitVaues['src'] = 1;
$submitVaues['sra'] = 1;
//$submitVaues['TRIALBILLINGPERIOD']='DAY'; //Parameters to test Recurring payment
//$submitVaues['TRIALBILLINGFREQUENCY']=3; //Parameters to test Recurring payment
$plgPaymentPaypalHelper = new plgPaymentPaypalHelper();
$postaction = $plgPaymentPaypalHelper->buildPaypalUrl();
/* for offsite plugin */
$postvalues = http_build_query($submitVaues);
header('Location: ' . $postaction . '?' . $postvalues);
}
