/**
* Get the parent identifier
*
* @return string
*/
public function getParent()
{
if (!$this->container) {
return null;
}
return $this->container->getSlug();
}
/**
* Determine the current provider that match the current request.
*
* @return FacebookRedirectLoginHelper
*/
protected function determineCurrentProvider()
{
$providers = $this->container->get($this->container->getSlug() . '.providers');
foreach ($providers as $provider) {
if ($provider instanceof FacebookSignedRequestFromInputHelper) {
/* if ($origin == 'https://apps.facebook.com' && $provider instanceof FacebookCanvasLoginHelper) {
}
if ($origin == 'https://apps.facebook.com' && $provider instanceof FacebookCanvasLoginHelper) {
} */
//choose between canvas and page tab.
//if this provider is a pagetab helper, without page data, pass it to the canvas.
if ($provider instanceof FacebookPageTabHelper && !$provider->getPageId()) {
continue;
}
$rs = $provider->getRawSignedRequest();
if ($rs) {
return $provider;
}
}
//this provider should always be default as last in the array
if ($provider instanceof FacebookRedirectLoginHelper) {
return $provider;
}
}
}
