/**
* 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);
}
/**
* Run specified action
*
* @param string $action action name
* @throws NotFoundException
*/
public function execute($action)
{
$action_name = str_replace('-', '', $action);
$action_name = str_replace('_', '', $action_name);
$action_name .= 'Action';
if (!method_exists($this, $action_name)) {
throw new NotFoundException("Could not find '{$action}'");
}
// initial tasks
$init = $this->init();
if ($init instanceof HttpFoundation\Response) {
return $init;
}
// check authentication
$auth = $this->checkAuthentication($action);
if ($auth instanceof HttpFoundation\Response) {
return $auth;
}
// run the action
$response = $this->{$action_name}();
// make sure we got a response
if (!$response instanceof HttpFoundation\Response) {
// nope, but see if we still have the original
$response = $this->response;
if (!$response instanceof HttpFoundation\Response) {
throw new \Exception("Action '{$action}' returned no Response");
}
}
// this was a redirect or something
if (!$response instanceof Response) {
return $response;
}
// add event objects to response
if ($this->response->getVariable('base_url') == '') {
$this->response->setVariable('base_url', $this->request->getServerUrl() . $this->request->getBasePath());
$this->response->setVariable('request', $this->request);
$this->response->setVariable('config', $this->registry);
}
// clean-up tasks
$shutdown = $this->shutdown();
if ($shutdown instanceof HttpFoundation\Response) {
return $shutdown;
}
return $response;
}