core/homeassistant/components/unifi/controller.py

382 lines
12 KiB
Python

"""UniFi Controller abstraction."""
import asyncio
from datetime import timedelta
import ssl
from aiohttp import CookieJar
import aiounifi
from aiounifi.controller import SIGNAL_CONNECTION_STATE
from aiounifi.events import WIRELESS_CLIENT_CONNECTED, WIRELESS_GUEST_CONNECTED
from aiounifi.websocket import STATE_DISCONNECTED, STATE_RUNNING
import async_timeout
from homeassistant.const import CONF_HOST
from homeassistant.core import callback
from homeassistant.exceptions import ConfigEntryNotReady
from homeassistant.helpers import aiohttp_client
from homeassistant.helpers.dispatcher import async_dispatcher_send
from .const import (
CONF_ALLOW_BANDWIDTH_SENSORS,
CONF_BLOCK_CLIENT,
CONF_CONTROLLER,
CONF_DETECTION_TIME,
CONF_DONT_TRACK_CLIENTS,
CONF_DONT_TRACK_DEVICES,
CONF_DONT_TRACK_WIRED_CLIENTS,
CONF_SITE_ID,
CONF_SSID_FILTER,
CONF_TRACK_CLIENTS,
CONF_TRACK_DEVICES,
CONF_TRACK_WIRED_CLIENTS,
CONTROLLER_ID,
DEFAULT_ALLOW_BANDWIDTH_SENSORS,
DEFAULT_BLOCK_CLIENTS,
DEFAULT_DETECTION_TIME,
DEFAULT_SSID_FILTER,
DEFAULT_TRACK_CLIENTS,
DEFAULT_TRACK_DEVICES,
DEFAULT_TRACK_WIRED_CLIENTS,
DOMAIN,
LOGGER,
UNIFI_CONFIG,
UNIFI_WIRELESS_CLIENTS,
)
from .errors import AuthenticationRequired, CannotConnect
RETRY_TIMER = 15
SUPPORTED_PLATFORMS = ["device_tracker", "sensor", "switch"]
class UniFiController:
"""Manages a single UniFi Controller."""
def __init__(self, hass, config_entry):
"""Initialize the system."""
self.hass = hass
self.config_entry = config_entry
self.available = True
self.api = None
self.progress = None
self.wireless_clients = None
self.listeners = []
self._site_name = None
self._site_role = None
@property
def controller_id(self):
"""Return the controller ID."""
return CONTROLLER_ID.format(host=self.host, site=self.site)
@property
def host(self):
"""Return the host of this controller."""
return self.config_entry.data[CONF_CONTROLLER][CONF_HOST]
@property
def site(self):
"""Return the site of this config entry."""
return self.config_entry.data[CONF_CONTROLLER][CONF_SITE_ID]
@property
def site_name(self):
"""Return the nice name of site."""
return self._site_name
@property
def site_role(self):
"""Return the site user role of this controller."""
return self._site_role
@property
def option_allow_bandwidth_sensors(self):
"""Config entry option to allow bandwidth sensors."""
return self.config_entry.options.get(
CONF_ALLOW_BANDWIDTH_SENSORS, DEFAULT_ALLOW_BANDWIDTH_SENSORS
)
@property
def option_block_clients(self):
"""Config entry option with list of clients to control network access."""
return self.config_entry.options.get(CONF_BLOCK_CLIENT, DEFAULT_BLOCK_CLIENTS)
@property
def option_track_clients(self):
"""Config entry option to not track clients."""
return self.config_entry.options.get(CONF_TRACK_CLIENTS, DEFAULT_TRACK_CLIENTS)
@property
def option_track_devices(self):
"""Config entry option to not track devices."""
return self.config_entry.options.get(CONF_TRACK_DEVICES, DEFAULT_TRACK_DEVICES)
@property
def option_track_wired_clients(self):
"""Config entry option to not track wired clients."""
return self.config_entry.options.get(
CONF_TRACK_WIRED_CLIENTS, DEFAULT_TRACK_WIRED_CLIENTS
)
@property
def option_detection_time(self):
"""Config entry option defining number of seconds from last seen to away."""
return timedelta(
seconds=self.config_entry.options.get(
CONF_DETECTION_TIME, DEFAULT_DETECTION_TIME
)
)
@property
def option_ssid_filter(self):
"""Config entry option listing what SSIDs are being used to track clients."""
return self.config_entry.options.get(CONF_SSID_FILTER, DEFAULT_SSID_FILTER)
@property
def mac(self):
"""Return the mac address of this controller."""
for client in self.api.clients.values():
if self.host == client.ip:
return client.mac
return None
@callback
def async_unifi_signalling_callback(self, signal, data):
"""Handle messages back from UniFi library."""
if signal == SIGNAL_CONNECTION_STATE:
if data == STATE_DISCONNECTED and self.available:
LOGGER.error("Lost connection to UniFi")
if (data == STATE_RUNNING and not self.available) or (
data == STATE_DISCONNECTED and self.available
):
self.available = data == STATE_RUNNING
async_dispatcher_send(self.hass, self.signal_reachable)
if not self.available:
self.hass.loop.call_later(RETRY_TIMER, self.reconnect)
elif signal == "new_data" and data:
if "event" in data:
if data["event"].event in (
WIRELESS_CLIENT_CONNECTED,
WIRELESS_GUEST_CONNECTED,
):
self.update_wireless_clients()
else:
async_dispatcher_send(self.hass, self.signal_update)
@property
def signal_reachable(self) -> str:
"""Integration specific event to signal a change in connection status."""
return f"unifi-reachable-{self.controller_id}"
@property
def signal_update(self):
"""Event specific per UniFi entry to signal new data."""
return f"unifi-update-{self.controller_id}"
@property
def signal_options_update(self):
"""Event specific per UniFi entry to signal new options."""
return f"unifi-options-{self.controller_id}"
def update_wireless_clients(self):
"""Update set of known to be wireless clients."""
new_wireless_clients = set()
for client_id in self.api.clients:
if (
client_id not in self.wireless_clients
and not self.api.clients[client_id].is_wired
):
new_wireless_clients.add(client_id)
if new_wireless_clients:
self.wireless_clients |= new_wireless_clients
unifi_wireless_clients = self.hass.data[UNIFI_WIRELESS_CLIENTS]
unifi_wireless_clients.update_data(self.wireless_clients, self.config_entry)
async def async_setup(self):
"""Set up a UniFi controller."""
try:
self.api = await get_controller(
self.hass,
**self.config_entry.data[CONF_CONTROLLER],
async_callback=self.async_unifi_signalling_callback,
)
await self.api.initialize()
sites = await self.api.sites()
for site in sites.values():
if self.site == site["name"]:
self._site_name = site["desc"]
self._site_role = site["role"]
break
except CannotConnect:
raise ConfigEntryNotReady
except Exception as err: # pylint: disable=broad-except
LOGGER.error("Unknown error connecting with UniFi controller: %s", err)
return False
wireless_clients = self.hass.data[UNIFI_WIRELESS_CLIENTS]
self.wireless_clients = wireless_clients.get_data(self.config_entry)
self.update_wireless_clients()
self.import_configuration()
for platform in SUPPORTED_PLATFORMS:
self.hass.async_create_task(
self.hass.config_entries.async_forward_entry_setup(
self.config_entry, platform
)
)
self.api.start_websocket()
self.config_entry.add_update_listener(self.async_options_updated)
return True
@staticmethod
async def async_options_updated(hass, entry):
"""Triggered by config entry options updates."""
controller_id = CONTROLLER_ID.format(
host=entry.data[CONF_CONTROLLER][CONF_HOST],
site=entry.data[CONF_CONTROLLER][CONF_SITE_ID],
)
controller = hass.data[DOMAIN][controller_id]
async_dispatcher_send(hass, controller.signal_options_update)
def import_configuration(self):
"""Import configuration to config entry options."""
import_config = {}
for config in self.hass.data[UNIFI_CONFIG]:
if (
self.host == config[CONF_HOST]
and self.site_name == config[CONF_SITE_ID]
):
import_config = config
break
old_options = dict(self.config_entry.options)
new_options = {}
for config, option in (
(CONF_BLOCK_CLIENT, CONF_BLOCK_CLIENT),
(CONF_DONT_TRACK_CLIENTS, CONF_TRACK_CLIENTS),
(CONF_DONT_TRACK_WIRED_CLIENTS, CONF_TRACK_WIRED_CLIENTS),
(CONF_DONT_TRACK_DEVICES, CONF_TRACK_DEVICES),
(CONF_DETECTION_TIME, CONF_DETECTION_TIME),
(CONF_SSID_FILTER, CONF_SSID_FILTER),
):
if config in import_config:
if config == option and import_config[
config
] != self.config_entry.options.get(option):
new_options[option] = import_config[config]
elif config != option and (
option not in self.config_entry.options
or import_config[config] == self.config_entry.options.get(option)
):
new_options[option] = not import_config[config]
if new_options:
options = {**old_options, **new_options}
self.hass.config_entries.async_update_entry(
self.config_entry, options=options
)
@callback
def reconnect(self) -> None:
"""Prepare to reconnect UniFi session."""
LOGGER.debug("Reconnecting to UniFi in %i", RETRY_TIMER)
self.hass.loop.create_task(self.async_reconnect())
async def async_reconnect(self) -> None:
"""Try to reconnect UniFi session."""
try:
with async_timeout.timeout(5):
await self.api.login()
self.api.start_websocket()
except (asyncio.TimeoutError, aiounifi.AiounifiException):
self.hass.loop.call_later(RETRY_TIMER, self.reconnect)
@callback
def shutdown(self, event) -> None:
"""Wrap the call to unifi.close.
Used as an argument to EventBus.async_listen_once.
"""
self.api.stop_websocket()
async def async_reset(self):
"""Reset this controller to default state.
Will cancel any scheduled setup retry and will unload
the config entry.
"""
self.api.stop_websocket()
for platform in SUPPORTED_PLATFORMS:
await self.hass.config_entries.async_forward_entry_unload(
self.config_entry, platform
)
for unsub_dispatcher in self.listeners:
unsub_dispatcher()
self.listeners = []
return True
async def get_controller(
hass, host, username, password, port, site, verify_ssl, async_callback=None
):
"""Create a controller object and verify authentication."""
sslcontext = None
if verify_ssl:
session = aiohttp_client.async_get_clientsession(hass)
if isinstance(verify_ssl, str):
sslcontext = ssl.create_default_context(cafile=verify_ssl)
else:
session = aiohttp_client.async_create_clientsession(
hass, verify_ssl=verify_ssl, cookie_jar=CookieJar(unsafe=True)
)
controller = aiounifi.Controller(
host,
username=username,
password=password,
port=port,
site=site,
websession=session,
sslcontext=sslcontext,
callback=async_callback,
)
try:
with async_timeout.timeout(10):
await controller.login()
return controller
except aiounifi.Unauthorized:
LOGGER.warning("Connected to UniFi at %s but not registered.", host)
raise AuthenticationRequired
except (asyncio.TimeoutError, aiounifi.RequestError):
LOGGER.error("Error connecting to the UniFi controller at %s", host)
raise CannotConnect
except aiounifi.AiounifiException:
LOGGER.exception("Unknown UniFi communication error occurred")
raise AuthenticationRequired