/**
* Displays the form for user redirection
* @param APP_Order $order Order to process
* @param array $options User inputted options
* @return void
*/
public static function create_form($order, $options, $return_url, $cancel_url)
{
$options = wp_parse_args($options, array('email_address' => ''));
$fields = array(self::SELLER_EMAIL => $options['email_address'], self::ITEM_NAME => $order->get_description(), self::ITEM_NUMBER => $order->get_id(), self::CURRENCY_CODE => $order->get_currency(), self::RETURN_TEXT => sprintf(__('Continue to %s', APP_TD), get_bloginfo('name')), self::RETURN_URL => $return_url, self::CANCEL_URL => $cancel_url, self::NO_SHIPPING => 1, self::NO_NOTE => 1, self::RETURN_METHOD => self::RETURN_BY_GET, self::CHARSET => 'utf-8');
if ($order->is_recurring()) {
if (get_post_meta($order->get_id(), 'paypal_subscription_id', true)) {
self::print_processing_script($order);
return array();
}
$fields[self::TYPE] = self::SUBSCRIBE;
$fields[self::RECURR_BILLING] = 1;
$subscription_id = $order->get_id() . mt_rand(0, 1000);
$fields[self::INVOICE] = $subscription_id;
update_post_meta($order->get_id(), 'paypal_subscription_id', $subscription_id);
$fields[self::RECURRING_AMOUNT] = $order->get_total();
$recurring_period_info = self::get_recurring_period_info($order->get_recurring_period(), $order->get_recurring_period_type());
$fields[self::RECURRING_PERIOD] = $recurring_period_info['recurring_period'];
$fields[self::RECURRING_PERIOD_TYPE] = $recurring_period_info['recurring_period_type'];
} else {
$fields[self::TYPE] = self::BUY_NOW;
$fields[self::AMOUNT] = $order->get_total();
}
if (!empty($options['ipn_enabled'])) {
$fields[self::NOTIFY_URL] = APP_PayPal_IPN_Listener::get_listener_url();
}
$form = array('action' => APP_PayPal::get_request_url(), 'name' => 'paypal_payform', 'id' => 'create_listing');
return array($form, $fields);
}
public function validate_request()
{
$paypal_url = APP_PayPal::get_request_url();
$received_values = array('cmd' => '_notify-validate');
$received_values += stripslashes_deep($_POST);
$params = array('body' => $received_values, 'sslverify' => false, 'timeout' => 60, 'httpversion' => '1.1', 'user-agent' => 'AppThemes/' . get_bloginfo('version'));
$response = wp_remote_post($paypal_url, $params);
if (is_wp_error($response)) {
return false;
}
if ($response['response']['code'] >= 200 && $response['response']['code'] < 300) {
if (preg_match("/VERIFIED/s", $response['body'])) {
return true;
}
}
return false;
}
/**
* Checks whether the current response is a valid transaction key
* @param APP_Order $order Order being processed
* @param array $options User inputted options
* @return boolean True if transaction key is valid, false if invalid
*/
public static function get_transaction($transaction_key, $identity_token, $sandbox = false)
{
$data = array('cmd' => '_notify-synch', 'tx' => $transaction_key, 'at' => $identity_token);
$url = APP_PayPal::get_request_url();
$options = array('method' => 'POST', 'body' => $data, 'sslverify' => false, 'httpversion' => '1.1');
$response = self::get_url($url, $options);
if (strpos($response, 'SUCCESS') !== 0) {
return false;
}
$values = array();
$lines = explode("\n", $response);
foreach ($lines as $string) {
$key_value_string = explode('=', $string);
if (array_key_exists(1, $key_value_string)) {
$value = $key_value_string[1];
} else {
$value = '';
}
$values[$key_value_string[0]] = urldecode($value);
}
return $values;
wp_update_post(array("ID" => $order->get_id(), "post_content" => $transaction_id));
}
/**
* Checks if the current gateway supports a specific service
* @return bool
*/
public function supports($service = 'instant')
{
switch ($service) {
case 'escrow':
return true;
break;
default:
return parent::supports($service);
break;
}
}
