mooody

class BaseHandler(RequestHandler):
    async def get_current_user_async(self):
        session_hash = self.get_secure_cookie("session_hash")
        return session_hash

def authenticated_async(method):
    @functools.wraps(method)
    async def wrapper(self, *args, **kwargs):
        if not await self.get_current_user_async():
            if self.request.method in ("GET", "HEAD"):
                url = self.get_login_url()
                if "?" not in url:
                    if urlparse.urlsplit(url).scheme:
                        # if login url is absolute, make next absolute too
                        next_url = self.request.full_url()
                    else:
                        next_url = self.request.uri
                    url += "?" + urlencode(dict(expired=next_url))
                self.redirect(url)
                return
            raise HTTPError(403)
        return await method(self, *args, **kwargs)
    return wrapper