/**
* Validate the IPN notification
*
* @param none
* @return boolean
*/
public function validateIpn()
{
$this->set_mode();
// Get recieved values from post data
$ipn_data = (array) stripslashes_deep($_POST);
$ipn_data['cmd'] = '_notify-validate';
// Send back post vars to paypal
$params = array('body' => $ipn_data, 'sslverify' => false, 'timeout' => 30, 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url('/'));
$response = wp_remote_post($this->gateway_url, $params);
if (!is_wp_error($response) && $response['response']['code'] >= 200 && $response['response']['code'] < 300 && strcmp($response['body'], "VERIFIED") == 0) {
return true;
} else {
WPUF_Main::log('error', "IPN Failed\n" . $ipn_response);
return false;
}
}
/**
* Insert payment info to database
*
* @global object $wpdb
* @param array $data payment data to insert
* @param int $transaction_id the transaction id in case of update
*/
public static function insert_payment($data, $transaction_id = 0)
{
global $wpdb;
//check if it's already there
$sql = "SELECT transaction_id\n FROM " . $wpdb->prefix . "wpuf_transaction\n WHERE transaction_id = '" . $wpdb->escape(wpuf_clean_tags($transaction_id)) . "' LIMIT 1";
$result = $wpdb->get_row($sql);
if (!$result) {
$wpdb->insert($wpdb->prefix . 'wpuf_transaction', $data);
do_action('wpuf_payment_received', $data);
} else {
$wpdb->update($wpdb->prefix . 'wpuf_transaction', $data, array('transaction_id' => $transaction_id));
WPUF_Main::log('info', 'updating existing transaction: ' . $transaction_id);
}
}
