__init__.py 文件源码

def logged_in():
    # designed to prevent repeated db requests
    if not hasattr(g,'logged_in_user'):
        if 'logged_in_user' in session:
            db = get_db()
            cur = db.cursor()
            cur.execute('SELECT auth_key FROM users WHERE id='+app.sqlesc,(session['logged_in_user'][0],))
            result = cur.fetchall()
            if len(result) == 0:
                session.pop('logged_in_user',None)
                g.logged_in_user = False
            elif result[0][0] == session['logged_in_user'][1]:
                g.logged_in_user = True
            else:
                session.pop('logged_in_user',None)
                g.logged_in_user = False
        else:
            g.logged_in_user = False
    return g.logged_in_user