example.py 文件源码

def get_current_user(self):
        cookies = dict((n, self.cookies[n].value) for n in self.cookies.keys())
        cookie = facebook.get_user_from_cookie(
            cookies, options.facebook_app_id, options.facebook_app_secret)
        if not cookie:
            return None
        user = self.db.get(
            "SELECT * FROM users WHERE id = %s", cookie["uid"])
        if not user:
            # TODO: Make this fetch async rather than blocking
            graph = facebook.GraphAPI(cookie["access_token"])
            profile = graph.get_object("me")
            self.db.execute(
                "REPLACE INTO users (id, name, profile_url, access_token) "
                "VALUES (%s,%s,%s,%s)", profile["id"], profile["name"],
                profile["link"], cookie["access_token"])
            user = self.db.get(
                "SELECT * FROM users WHERE id = %s", profile["id"])
        elif user.access_token != cookie["access_token"]:
            self.db.execute(
                "UPDATE users SET access_token = %s WHERE id = %s",
                cookie["access_token"], user.id)
        return user