CSP detection
does_redirect('https://www.facebook.com/dialog/oauth?redirect_uri=https%3A%2F%2Fpinterest.com%2Fconnect%2Ffacebook%2F&display=popup&client_id=274266067164', function(result){
alert(result ? 'Not authorized' : 'Authorized');
})
Showcases:
Github
Facebook