code: def __entry_point():
      
      ip = request.remote_addr
      ua = request.headers.get('User-Agent', 'Empty User-Agent')
      method = request.json.get('method')
      if method is None:
          __query_logging(ip, ua, method, level='warning')
          return json.dumps({'error': 'No method provided.'})
      if method not in authorized_methods:
          # unauthorized query
          __query_logging(ip, ua, method, level='warning')
          return json.dumps({'error': 'Unauthorized method.'})
      fct = globals().get(method)
      if fct is None:
          # unknown method, the method is authorized, but does not exists...
          __query_logging(ip, ua, method, level='warning')
          return json.dumps({'error': 'Unknown method.'})
      if request.json.get('ip') is None:
          __query_logging(ip, ua, method, level='warning')
          return json.dumps({'error': 'No IP provided, not going to work.'})
      try:
          result = fct(request.json)
          __query_logging(ip, ua, method, request.json.get('ip'),
                          request.json.get('announce_date'), request.json.get('days_limit'))
          return result
      except Exception:
          __query_logging(ip, ua, method, request.json.get('ip'), level='error')
          return json.dumps({'error': 'Something went wrong.'})
docs: Function called when an query is made on /json. Expects a JSON
          object with at least a 'method' entry.