text: import sys
  import time
  import requests
  import hashlib
  import hmac
  
  cmd, why, val = "open", "turnassist", "0"
  
  up_key = 'UPKEY'
  
  payload = f'cmd={cmd}&why={why}&val={val}'
  
  hash = hmac.new(up_key.encode('utf8'), payload.encode('utf8'), hashlib.sha256).hexdigest().upper()
  print(hash)
  r = requests.post('http://mattermore.zeus.gent/doorkeeper', payload, headers={'HMAC': hash})
  
  print(r.text)
  