Tornado 6.1 Documentation
get_argument('code', False): user = await self.get_authenticated_user( redirect_uri='http://your.site.com/auth/google', code=self.get_argument('code')) # Save set_secure_cookie else: await self.authorize_redirect( redirect_uri='http://your.site.com/auth/google', client_id=self.settings['google_oauth']['key'], png") }}"/>