/**
* Create Authentication Scheme
*
* @param Request $request
*/
public function __construct(Request $request)
{
$this->request = $request;
$this->registry = Registry::getInstance();
// get the user from the request
$this->user = $this->request->getUser();
// send them back here when they are done
$this->return_url = $this->request->getParam("return");
// flesh out our return url
$base = $this->request->getBaseUrl();
$server = $this->request->getServerUrl();
if ($this->return_url == "") {
$this->return_url = $base;
// so send them home!
}
// @todo find out if some CAS servers are still tripping up on this
$params = array('controller' => 'authenticate', 'action' => 'validate', 'return' => $this->return_url);
$this->validate_url = $this->request->url_for($params, true);
}