core/homeassistant/components/swisscom/device_tracker.py

114 lines
3.6 KiB
Python

"""Support for Swisscom routers (Internet-Box)."""
from __future__ import annotations
from contextlib import suppress
import logging
import requests
import voluptuous as vol
from homeassistant.components.device_tracker import (
DOMAIN as DEVICE_TRACKER_DOMAIN,
PLATFORM_SCHEMA as DEVICE_TRACKER_PLATFORM_SCHEMA,
DeviceScanner,
)
from homeassistant.const import CONF_HOST
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.typing import ConfigType
_LOGGER = logging.getLogger(__name__)
DEFAULT_IP = "192.168.1.1"
PLATFORM_SCHEMA = DEVICE_TRACKER_PLATFORM_SCHEMA.extend(
{vol.Optional(CONF_HOST, default=DEFAULT_IP): cv.string}
)
def get_scanner(
hass: HomeAssistant, config: ConfigType
) -> SwisscomDeviceScanner | None:
"""Return the Swisscom device scanner."""
scanner = SwisscomDeviceScanner(config[DEVICE_TRACKER_DOMAIN])
return scanner if scanner.success_init else None
class SwisscomDeviceScanner(DeviceScanner):
"""Class which queries a router running Swisscom Internet-Box firmware."""
def __init__(self, config):
"""Initialize the scanner."""
self.host = config[CONF_HOST]
self.last_results = {}
# Test the router is accessible.
data = self.get_swisscom_data()
self.success_init = data is not None
def scan_devices(self):
"""Scan for new devices and return a list with found device IDs."""
self._update_info()
return [client["mac"] for client in self.last_results]
def get_device_name(self, device):
"""Return the name of the given device or None if we don't know."""
if not self.last_results:
return None
for client in self.last_results:
if client["mac"] == device:
return client["host"]
return None
def _update_info(self):
"""Ensure the information from the Swisscom router is up to date.
Return boolean if scanning successful.
"""
if not self.success_init:
return False
_LOGGER.debug("Loading data from Swisscom Internet Box")
if not (data := self.get_swisscom_data()):
return False
active_clients = [client for client in data.values() if client["status"]]
self.last_results = active_clients
return True
def get_swisscom_data(self):
"""Retrieve data from Swisscom and return parsed result."""
url = f"http://{self.host}/ws"
headers = {"Content-Type": "application/x-sah-ws-4-call+json"}
data = """
{"service":"Devices", "method":"get",
"parameters":{"expression":"lan and not self"}}"""
devices = {}
try:
request = requests.post(url, headers=headers, data=data, timeout=10)
except (
requests.exceptions.ConnectionError,
requests.exceptions.Timeout,
requests.exceptions.ConnectTimeout,
):
_LOGGER.debug("No response from Swisscom Internet Box")
return devices
if "status" not in request.json():
_LOGGER.debug("No status in response from Swisscom Internet Box")
return devices
for device in request.json()["status"]:
with suppress(KeyError, requests.exceptions.RequestException):
devices[device["Key"]] = {
"ip": device["IPAddress"],
"mac": device["PhysAddress"],
"host": device["Name"],
"status": device["Active"],
}
return devices