public function beforesummary()
{
$this->loadLibConfig();
$result = OpenPayU_OAuth::accessTokenByCode($this->request->get['code'], $this->url->link('payment/payu/beforesummary', '', 'SSL'));
echo "Redirecting..";
echo '<form method="GET" action="' . OpenPayu_Configuration::getSummaryUrl() . '" id="payu_checkout" lang="' . $this->session->data['language'] . '">';
echo '<input type="hidden" name="lang" value="' . $this->session->data['language'] . '">';
echo '<input type="hidden" name="sessionId" value="' . $_SESSION['sessionId'] . '">';
echo '<input type="hidden" name="oauth_token" value="' . $result->getAccessToken() . '">';
echo '</form>';
echo '<script type="text/javascript">document.getElementById("payu_checkout").submit();</script>';
}
public function getAccessTokenByCode($code, $returnUri)
{
return \OpenPayU_OAuth::accessTokenByCode($code, $returnUri);
}