mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
487 lines
19 KiB
Python
487 lines
19 KiB
Python
"""Config flow to configure homekit_controller."""
|
|
import logging
|
|
import re
|
|
|
|
import aiohomekit
|
|
from aiohomekit.exceptions import AuthenticationError
|
|
import voluptuous as vol
|
|
|
|
from homeassistant import config_entries
|
|
from homeassistant.components import zeroconf
|
|
from homeassistant.core import callback
|
|
from homeassistant.helpers.device_registry import (
|
|
CONNECTION_NETWORK_MAC,
|
|
async_get_registry as async_get_device_registry,
|
|
)
|
|
|
|
from .connection import get_accessory_name, get_bridge_information
|
|
from .const import DOMAIN, KNOWN_DEVICES
|
|
|
|
HOMEKIT_DIR = ".homekit"
|
|
HOMEKIT_BRIDGE_DOMAIN = "homekit"
|
|
|
|
HOMEKIT_IGNORE = [
|
|
# eufy Indoor Cam 2K and 2K Pan & Tilt
|
|
# https://github.com/home-assistant/core/issues/42307
|
|
"T8400",
|
|
"T8410",
|
|
# Hive Hub - vendor does not give user a pairing code
|
|
"HHKBridge1,1",
|
|
]
|
|
|
|
PAIRING_FILE = "pairing.json"
|
|
|
|
MDNS_SUFFIX = "._hap._tcp.local."
|
|
|
|
PIN_FORMAT = re.compile(r"^(\d{3})-{0,1}(\d{2})-{0,1}(\d{3})$")
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
|
|
INSECURE_CODES = {
|
|
"00000000",
|
|
"11111111",
|
|
"22222222",
|
|
"33333333",
|
|
"44444444",
|
|
"55555555",
|
|
"66666666",
|
|
"77777777",
|
|
"88888888",
|
|
"99999999",
|
|
"12345678",
|
|
"87654321",
|
|
}
|
|
|
|
|
|
def normalize_hkid(hkid):
|
|
"""Normalize a hkid so that it is safe to compare with other normalized hkids."""
|
|
return hkid.lower()
|
|
|
|
|
|
@callback
|
|
def find_existing_host(hass, serial):
|
|
"""Return a set of the configured hosts."""
|
|
for entry in hass.config_entries.async_entries(DOMAIN):
|
|
if entry.data.get("AccessoryPairingID") == serial:
|
|
return entry
|
|
|
|
|
|
def ensure_pin_format(pin, allow_insecure_setup_codes=None):
|
|
"""
|
|
Ensure a pin code is correctly formatted.
|
|
|
|
Ensures a pin code is in the format 111-11-111. Handles codes with and without dashes.
|
|
|
|
If incorrect code is entered, an exception is raised.
|
|
"""
|
|
match = PIN_FORMAT.search(pin.strip())
|
|
if not match:
|
|
raise aiohomekit.exceptions.MalformedPinError(f"Invalid PIN code f{pin}")
|
|
pin_without_dashes = "".join(match.groups())
|
|
if not allow_insecure_setup_codes and pin_without_dashes in INSECURE_CODES:
|
|
raise InsecureSetupCode(f"Invalid PIN code f{pin}")
|
|
return "-".join(match.groups())
|
|
|
|
|
|
class HomekitControllerFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
|
|
"""Handle a HomeKit config flow."""
|
|
|
|
VERSION = 1
|
|
|
|
def __init__(self):
|
|
"""Initialize the homekit_controller flow."""
|
|
self.model = None
|
|
self.hkid = None
|
|
self.name = None
|
|
self.devices = {}
|
|
self.controller = None
|
|
self.finish_pairing = None
|
|
|
|
async def _async_setup_controller(self):
|
|
"""Create the controller."""
|
|
async_zeroconf_instance = await zeroconf.async_get_async_instance(self.hass)
|
|
self.controller = aiohomekit.Controller(
|
|
async_zeroconf_instance=async_zeroconf_instance
|
|
)
|
|
|
|
async def async_step_user(self, user_input=None):
|
|
"""Handle a flow start."""
|
|
errors = {}
|
|
|
|
if user_input is not None:
|
|
key = user_input["device"]
|
|
self.hkid = self.devices[key].device_id
|
|
self.model = self.devices[key].info["md"]
|
|
self.name = key[: -len(MDNS_SUFFIX)] if key.endswith(MDNS_SUFFIX) else key
|
|
await self.async_set_unique_id(
|
|
normalize_hkid(self.hkid), raise_on_progress=False
|
|
)
|
|
|
|
return await self.async_step_pair()
|
|
|
|
if self.controller is None:
|
|
await self._async_setup_controller()
|
|
|
|
all_hosts = await self.controller.discover_ip()
|
|
|
|
self.devices = {}
|
|
for host in all_hosts:
|
|
status_flags = int(host.info["sf"])
|
|
paired = not status_flags & 0x01
|
|
if paired:
|
|
continue
|
|
self.devices[host.info["name"]] = host
|
|
|
|
if not self.devices:
|
|
return self.async_abort(reason="no_devices")
|
|
|
|
return self.async_show_form(
|
|
step_id="user",
|
|
errors=errors,
|
|
data_schema=vol.Schema(
|
|
{vol.Required("device"): vol.In(self.devices.keys())}
|
|
),
|
|
)
|
|
|
|
async def async_step_unignore(self, user_input):
|
|
"""Rediscover a previously ignored discover."""
|
|
unique_id = user_input["unique_id"]
|
|
await self.async_set_unique_id(unique_id)
|
|
|
|
if self.controller is None:
|
|
await self._async_setup_controller()
|
|
|
|
devices = await self.controller.discover_ip(max_seconds=5)
|
|
for device in devices:
|
|
if normalize_hkid(device.device_id) != unique_id:
|
|
continue
|
|
record = device.info
|
|
return await self.async_step_zeroconf(
|
|
{
|
|
"host": record["address"],
|
|
"port": record["port"],
|
|
"hostname": record["name"],
|
|
"type": "_hap._tcp.local.",
|
|
"name": record["name"],
|
|
"properties": {
|
|
"md": record["md"],
|
|
"pv": record["pv"],
|
|
"id": unique_id,
|
|
"c#": record["c#"],
|
|
"s#": record["s#"],
|
|
"ff": record["ff"],
|
|
"ci": record["ci"],
|
|
"sf": record["sf"],
|
|
"sh": "",
|
|
},
|
|
}
|
|
)
|
|
|
|
return self.async_abort(reason="no_devices")
|
|
|
|
async def _hkid_is_homekit(self, hkid):
|
|
"""Determine if the device is a homekit bridge or accessory."""
|
|
dev_reg = await async_get_device_registry(self.hass)
|
|
device = dev_reg.async_get_device(
|
|
identifiers=set(), connections={(CONNECTION_NETWORK_MAC, hkid)}
|
|
)
|
|
|
|
if device is None:
|
|
return False
|
|
|
|
for entry_id in device.config_entries:
|
|
entry = self.hass.config_entries.async_get_entry(entry_id)
|
|
if entry and entry.domain == HOMEKIT_BRIDGE_DOMAIN:
|
|
return True
|
|
|
|
return False
|
|
|
|
async def async_step_zeroconf(self, discovery_info):
|
|
"""Handle a discovered HomeKit accessory.
|
|
|
|
This flow is triggered by the discovery component.
|
|
"""
|
|
# Normalize properties from discovery
|
|
# homekit_python has code to do this, but not in a form we can
|
|
# easily use, so do the bare minimum ourselves here instead.
|
|
properties = {
|
|
key.lower(): value for (key, value) in discovery_info["properties"].items()
|
|
}
|
|
|
|
if "id" not in properties:
|
|
# This can happen if the TXT record is received after the PTR record
|
|
# we will wait for the next update in this case
|
|
_LOGGER.debug(
|
|
"HomeKit device %s: id not exposed; TXT record may have not yet been received",
|
|
properties,
|
|
)
|
|
return self.async_abort(reason="invalid_properties")
|
|
|
|
# The hkid is a unique random number that looks like a pairing code.
|
|
# It changes if a device is factory reset.
|
|
hkid = properties["id"]
|
|
model = properties["md"]
|
|
name = discovery_info["name"].replace("._hap._tcp.local.", "")
|
|
status_flags = int(properties["sf"])
|
|
paired = not status_flags & 0x01
|
|
|
|
# The configuration number increases every time the characteristic map
|
|
# needs updating. Some devices use a slightly off-spec name so handle
|
|
# both cases.
|
|
try:
|
|
config_num = int(properties["c#"])
|
|
except KeyError:
|
|
_LOGGER.warning(
|
|
"HomeKit device %s: c# not exposed, in violation of spec", hkid
|
|
)
|
|
config_num = None
|
|
|
|
# Set unique-id and error out if it's already configured
|
|
existing_entry = await self.async_set_unique_id(normalize_hkid(hkid))
|
|
updated_ip_port = {
|
|
"AccessoryIP": discovery_info["host"],
|
|
"AccessoryPort": discovery_info["port"],
|
|
}
|
|
|
|
# If the device is already paired and known to us we should monitor c#
|
|
# (config_num) for changes. If it changes, we check for new entities
|
|
if paired and hkid in self.hass.data.get(KNOWN_DEVICES, {}):
|
|
if existing_entry:
|
|
self.hass.config_entries.async_update_entry(
|
|
existing_entry, data={**existing_entry.data, **updated_ip_port}
|
|
)
|
|
conn = self.hass.data[KNOWN_DEVICES][hkid]
|
|
# When we rediscover the device, let aiohomekit know
|
|
# that the device is available and we should not wait
|
|
# to retry connecting any longer. reconnect_soon
|
|
# will do nothing if the device is already connected
|
|
await conn.pairing.connection.reconnect_soon()
|
|
if conn.config_num != config_num:
|
|
_LOGGER.debug(
|
|
"HomeKit info %s: c# incremented, refreshing entities", hkid
|
|
)
|
|
self.hass.async_create_task(conn.async_refresh_entity_map(config_num))
|
|
return self.async_abort(reason="already_configured")
|
|
|
|
_LOGGER.debug("Discovered device %s (%s - %s)", name, model, hkid)
|
|
|
|
# Device isn't paired with us or anyone else.
|
|
# But we have a 'complete' config entry for it - that is probably
|
|
# invalid. Remove it automatically.
|
|
existing = find_existing_host(self.hass, hkid)
|
|
if not paired and existing:
|
|
if self.controller is None:
|
|
await self._async_setup_controller()
|
|
|
|
pairing = self.controller.load_pairing(
|
|
existing.data["AccessoryPairingID"], dict(existing.data)
|
|
)
|
|
try:
|
|
await pairing.list_accessories_and_characteristics()
|
|
except AuthenticationError:
|
|
_LOGGER.debug(
|
|
"%s (%s - %s) is unpaired. Removing invalid pairing for this device",
|
|
name,
|
|
model,
|
|
hkid,
|
|
)
|
|
await self.hass.config_entries.async_remove(existing.entry_id)
|
|
else:
|
|
_LOGGER.debug(
|
|
"%s (%s - %s) claims to be unpaired but isn't. "
|
|
"It's implementation of HomeKit is defective "
|
|
"or a zeroconf relay is broadcasting stale data",
|
|
name,
|
|
model,
|
|
hkid,
|
|
)
|
|
return self.async_abort(reason="already_paired")
|
|
|
|
# Set unique-id and error out if it's already configured
|
|
self._abort_if_unique_id_configured(updates=updated_ip_port)
|
|
|
|
self.context["hkid"] = hkid
|
|
|
|
if paired:
|
|
# Device is paired but not to us - ignore it
|
|
_LOGGER.debug("HomeKit device %s ignored as already paired", hkid)
|
|
return self.async_abort(reason="already_paired")
|
|
|
|
# Devices in HOMEKIT_IGNORE have native local integrations - users
|
|
# should be encouraged to use native integration and not confused
|
|
# by alternative HK API.
|
|
if model in HOMEKIT_IGNORE:
|
|
return self.async_abort(reason="ignored_model")
|
|
|
|
# If this is a HomeKit bridge/accessory exported by *this* HA instance ignore it.
|
|
if await self._hkid_is_homekit(hkid):
|
|
return self.async_abort(reason="ignored_model")
|
|
|
|
self.name = name
|
|
self.model = model
|
|
self.hkid = hkid
|
|
|
|
# We want to show the pairing form - but don't call async_step_pair
|
|
# directly as it has side effects (will ask the device to show a
|
|
# pairing code)
|
|
return self._async_step_pair_show_form()
|
|
|
|
async def async_step_pair(self, pair_info=None):
|
|
"""Pair with a new HomeKit accessory."""
|
|
# If async_step_pair is called with no pairing code then we do the M1
|
|
# phase of pairing. If this is successful the device enters pairing
|
|
# mode.
|
|
|
|
# If it doesn't have a screen then the pin is static.
|
|
|
|
# If it has a display it will display a pin on that display. In
|
|
# this case the code is random. So we have to call the start_pairing
|
|
# API before the user can enter a pin. But equally we don't want to
|
|
# call start_pairing when the device is discovered, only when they
|
|
# click on 'Configure' in the UI.
|
|
|
|
# start_pairing will make the device show its pin and return a
|
|
# callable. We call the callable with the pin that the user has typed
|
|
# in.
|
|
|
|
errors = {}
|
|
|
|
if self.controller is None:
|
|
await self._async_setup_controller()
|
|
|
|
if pair_info and self.finish_pairing:
|
|
code = pair_info["pairing_code"]
|
|
try:
|
|
code = ensure_pin_format(
|
|
code,
|
|
allow_insecure_setup_codes=pair_info.get(
|
|
"allow_insecure_setup_codes"
|
|
),
|
|
)
|
|
pairing = await self.finish_pairing(code)
|
|
return await self._entry_from_accessory(pairing)
|
|
except aiohomekit.exceptions.MalformedPinError:
|
|
# Library claimed pin was invalid before even making an API call
|
|
errors["pairing_code"] = "authentication_error"
|
|
except aiohomekit.AuthenticationError:
|
|
# PairSetup M4 - SRP proof failed
|
|
# PairSetup M6 - Ed25519 signature verification failed
|
|
# PairVerify M4 - Decryption failed
|
|
# PairVerify M4 - Device not recognised
|
|
# PairVerify M4 - Ed25519 signature verification failed
|
|
errors["pairing_code"] = "authentication_error"
|
|
self.finish_pairing = None
|
|
except aiohomekit.UnknownError:
|
|
# An error occurred on the device whilst performing this
|
|
# operation.
|
|
errors["pairing_code"] = "unknown_error"
|
|
self.finish_pairing = None
|
|
except aiohomekit.MaxPeersError:
|
|
# The device can't pair with any more accessories.
|
|
errors["pairing_code"] = "max_peers_error"
|
|
self.finish_pairing = None
|
|
except aiohomekit.AccessoryNotFoundError:
|
|
# Can no longer find the device on the network
|
|
return self.async_abort(reason="accessory_not_found_error")
|
|
except InsecureSetupCode:
|
|
errors["pairing_code"] = "insecure_setup_code"
|
|
except Exception: # pylint: disable=broad-except
|
|
_LOGGER.exception("Pairing attempt failed with an unhandled exception")
|
|
self.finish_pairing = None
|
|
errors["pairing_code"] = "pairing_failed"
|
|
|
|
if not self.finish_pairing:
|
|
# Its possible that the first try may have been busy so
|
|
# we always check to see if self.finish_paring has been
|
|
# set.
|
|
try:
|
|
discovery = await self.controller.find_ip_by_device_id(self.hkid)
|
|
self.finish_pairing = await discovery.start_pairing(self.hkid)
|
|
|
|
except aiohomekit.BusyError:
|
|
# Already performing a pair setup operation with a different
|
|
# controller
|
|
return await self.async_step_busy_error()
|
|
except aiohomekit.MaxTriesError:
|
|
# The accessory has received more than 100 unsuccessful auth
|
|
# attempts.
|
|
return await self.async_step_max_tries_error()
|
|
except aiohomekit.UnavailableError:
|
|
# The accessory is already paired - cannot try to pair again.
|
|
return self.async_abort(reason="already_paired")
|
|
except aiohomekit.AccessoryNotFoundError:
|
|
# Can no longer find the device on the network
|
|
return self.async_abort(reason="accessory_not_found_error")
|
|
except IndexError:
|
|
# TLV error, usually not in pairing mode
|
|
_LOGGER.exception("Pairing communication failed")
|
|
return await self.async_step_protocol_error()
|
|
except Exception: # pylint: disable=broad-except
|
|
_LOGGER.exception("Pairing attempt failed with an unhandled exception")
|
|
errors["pairing_code"] = "pairing_failed"
|
|
|
|
return self._async_step_pair_show_form(errors)
|
|
|
|
async def async_step_busy_error(self, user_input=None):
|
|
"""Retry pairing after the accessory is busy."""
|
|
if user_input is not None:
|
|
return await self.async_step_pair()
|
|
|
|
return self.async_show_form(step_id="busy_error")
|
|
|
|
async def async_step_max_tries_error(self, user_input=None):
|
|
"""Retry pairing after the accessory has reached max tries."""
|
|
if user_input is not None:
|
|
return await self.async_step_pair()
|
|
|
|
return self.async_show_form(step_id="max_tries_error")
|
|
|
|
async def async_step_protocol_error(self, user_input=None):
|
|
"""Retry pairing after the accessory has a protocol error."""
|
|
if user_input is not None:
|
|
return await self.async_step_pair()
|
|
|
|
return self.async_show_form(step_id="protocol_error")
|
|
|
|
@callback
|
|
def _async_step_pair_show_form(self, errors=None):
|
|
placeholders = {"name": self.name}
|
|
self.context["title_placeholders"] = {"name": self.name}
|
|
|
|
schema = {vol.Required("pairing_code"): vol.All(str, vol.Strip)}
|
|
if errors and errors.get("pairing_code") == "insecure_setup_code":
|
|
schema[vol.Optional("allow_insecure_setup_codes")] = bool
|
|
|
|
return self.async_show_form(
|
|
step_id="pair",
|
|
errors=errors or {},
|
|
description_placeholders=placeholders,
|
|
data_schema=vol.Schema(schema),
|
|
)
|
|
|
|
async def _entry_from_accessory(self, pairing):
|
|
"""Return a config entry from an initialized bridge."""
|
|
# The bulk of the pairing record is stored on the config entry.
|
|
# A specific exception is the 'accessories' key. This is more
|
|
# volatile. We do cache it, but not against the config entry.
|
|
# So copy the pairing data and mutate the copy.
|
|
pairing_data = pairing.pairing_data.copy()
|
|
|
|
# Use the accessories data from the pairing operation if it is
|
|
# available. Otherwise request a fresh copy from the API.
|
|
# This removes the 'accessories' key from pairing_data at
|
|
# the same time.
|
|
accessories = pairing_data.pop("accessories", None)
|
|
if not accessories:
|
|
accessories = await pairing.list_accessories_and_characteristics()
|
|
|
|
bridge_info = get_bridge_information(accessories)
|
|
name = get_accessory_name(bridge_info)
|
|
|
|
return self.async_create_entry(title=name, data=pairing_data)
|
|
|
|
|
|
class InsecureSetupCode(Exception):
|
|
"""An exception for insecure trivial setup codes."""
|