private function getMashup()
{
$request = $this->getRequest()->getQuery();
$key = @$request[ApiController::KEY_PARAM];
// disable templating etc
$this->_helper->viewRenderer->setNoRender();
$this->_helper->layout->disableLayout();
// check if a access right exists
$access = new Model_Access();
$access->findByKey($key) or $this->sendError("Failed to find a accessible Mashup for key {$key}");
$m = $this->getLA()->loadMashup($access->getMashup()) or $this->sendError("Failed to load mashup " . $access->getMashup());
return $m;
}
