cookie_tool.py 文件源码

def parse_cookie(cookie, securekey):
    logger.info (">> parse cookie : %s" % cookie)
    parts = cookie.split('.')
    part1 = parts[0]
    part2 = '' if len(parts) < 2 else parts[1]
    try:
        text = str(base64.b64decode(part1.encode('ascii')), encoding='utf-8')
    except:
        logger.info ("decode cookie failed")
        return None
    logger.info ("cookie content : %s" % text)
    thatpart2 = hashlib.md5((text+securekey).encode('ascii')).hexdigest()
    logger.info ("hash from part1 : %s" % thatpart2)
    logger.info ("hash from part2 : %s" % part2)
    if part2 == thatpart2:
        result = json.loads(text)['name']
    else:
        result = None
    logger.info ("parse from cookie : %s" % result)
    return result