function execute()
{
if (isset($_GET['openid'])) {
if (trim($_GET['openid'] == '')) {
$this->error = _("Provide a valid OpenID.");
}
require_once 'openid.php';
$openid = new Dope_OpenID($_GET['openid']);
$openid->setReturnURL(RessourceManager::getExternUrl('special/login/openid_return'));
$openid->SetTrustRoot(RessourceManager::getServerName());
$openid->setRequiredInfo(array('email', 'fullname'));
$endpoint_url = $openid->getOpenIDEndpoint();
if ($endpoint_url) {
// If we find the endpoint, you might want to store it for later use.
$_SESSION['openid_endpoint_url'] = $endpoint_url;
// Redirect the user to their OpenID Provider
$openid->redirect();
} else {
$error = $openid->getError();
$this->error = '';
$this->error .= "ERROR CODE: " . $error['code'] . "<br>";
$this->error .= "ERROR DESCRIPTION: " . $error['description'] . "<br>";
}
} else {
$this->error = _("Login error.");
}
}
