new_contents: import base64
  import time
  import random
  import hmac
  import requests
  import secrets
  
  key_name = "astinastin"
  key = secrets.key
  hostname = "astin-nsu.akamaihd.net"
  acs_action = "version=1&action=symlink&target=%2F360949%2Frtmpplayer11.html"
  path = "/360949/rtmpplayer11_lnk.html"
  
  acs_auth_data = "5, 0.0.0.0, 0.0.0.0, {}, {}, {}".format(time.time(), str(random.getrandbits(32)), key_name)
  sign_string = "{}\nx-akamai-acs-action:{}\n".format(path, acs_action)
  message = acs_auth_data + sign_string
  
  hash_ = hmac.new(key.encode(), message.encode(), "sha256").digest()
  acs_auth_sign = base64.b64encode(hash_)
  
  url = "http://{}{}".format(hostname, path)
  headers = { 'X-Akamai-ACS-Action': acs_action,
              'X-Akamai-ACS-Auth-Data': acs_auth_data,
              'X-Akamai-ACS-Auth-Sign': acs_auth_sign,
              'Content-Length': 0, 
              'Accept-Encoding': 'identity' }
  
  response = requests.post(url, headers=headers)
  
  print(response.headers)
  print(response.text)
subject: add symlink