core/homeassistant/components/ring/config_flow.py

253 lines
8.7 KiB
Python

"""Config flow for Ring integration."""
from collections.abc import Mapping
import logging
from typing import Any
import uuid
from ring_doorbell import Auth, AuthenticationError, Requires2FAError
import voluptuous as vol
from homeassistant.components import dhcp
from homeassistant.config_entries import (
SOURCE_REAUTH,
SOURCE_RECONFIGURE,
ConfigFlow,
ConfigFlowResult,
)
from homeassistant.const import (
CONF_DEVICE_ID,
CONF_NAME,
CONF_PASSWORD,
CONF_TOKEN,
CONF_USERNAME,
)
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.aiohttp_client import async_get_clientsession
import homeassistant.helpers.device_registry as dr
from . import get_auth_user_agent
from .const import CONF_2FA, CONF_CONFIG_ENTRY_MINOR_VERSION, DOMAIN
_LOGGER = logging.getLogger(__name__)
STEP_USER_DATA_SCHEMA = vol.Schema(
{vol.Required(CONF_USERNAME): str, vol.Required(CONF_PASSWORD): str}
)
STEP_REAUTH_DATA_SCHEMA = vol.Schema({vol.Required(CONF_PASSWORD): str})
STEP_RECONFIGURE_DATA_SCHEMA = vol.Schema({vol.Required(CONF_PASSWORD): str})
UNKNOWN_RING_ACCOUNT = "unknown_ring_account"
async def validate_input(
hass: HomeAssistant, hardware_id: str, data: dict[str, str]
) -> dict[str, Any]:
"""Validate the user input allows us to connect."""
user_agent = get_auth_user_agent()
auth = Auth(
user_agent,
http_client_session=async_get_clientsession(hass),
hardware_id=hardware_id,
)
try:
token = await auth.async_fetch_token(
data[CONF_USERNAME],
data[CONF_PASSWORD],
data.get(CONF_2FA),
)
except Requires2FAError as err:
raise Require2FA from err
except AuthenticationError as err:
raise InvalidAuth from err
return token
class RingConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Ring."""
VERSION = 1
MINOR_VERSION = CONF_CONFIG_ENTRY_MINOR_VERSION
user_pass: dict[str, Any] = {}
hardware_id: str | None = None
async def async_step_dhcp(
self, discovery_info: dhcp.DhcpServiceInfo
) -> ConfigFlowResult:
"""Handle discovery via dhcp."""
# Ring has a single config entry per cloud username rather than per device
# so we check whether that device is already configured.
# If the device is not configured there's either no ring config entry
# yet or the device is registered to a different account
await self.async_set_unique_id(UNKNOWN_RING_ACCOUNT)
self._abort_if_unique_id_configured()
if self.hass.config_entries.async_has_entries(DOMAIN):
device_registry = dr.async_get(self.hass)
if device_registry.async_get_device(
identifiers={(DOMAIN, discovery_info.macaddress)}
):
return self.async_abort(reason="already_configured")
return await self.async_step_user()
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the initial step."""
errors: dict[str, str] = {}
if user_input is not None:
await self.async_set_unique_id(user_input[CONF_USERNAME])
self._abort_if_unique_id_configured()
if not self.hardware_id:
self.hardware_id = str(uuid.uuid4())
try:
token = await validate_input(self.hass, self.hardware_id, user_input)
except Require2FA:
self.user_pass = user_input
return await self.async_step_2fa()
except InvalidAuth:
errors["base"] = "invalid_auth"
except Exception:
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
else:
return self.async_create_entry(
title=user_input[CONF_USERNAME],
data={
CONF_DEVICE_ID: self.hardware_id,
CONF_USERNAME: user_input[CONF_USERNAME],
CONF_TOKEN: token,
},
)
return self.async_show_form(
step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
)
async def async_step_2fa(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle 2fa step."""
if user_input:
if self.source == SOURCE_REAUTH:
return await self.async_step_reauth_confirm(
{**self.user_pass, **user_input}
)
if self.source == SOURCE_RECONFIGURE:
return await self.async_step_reconfigure(
{**self.user_pass, **user_input}
)
return await self.async_step_user({**self.user_pass, **user_input})
return self.async_show_form(
step_id="2fa",
data_schema=vol.Schema({vol.Required(CONF_2FA): str}),
)
async def async_step_reauth(
self, entry_data: Mapping[str, Any]
) -> ConfigFlowResult:
"""Handle reauth upon an API authentication error."""
return await self.async_step_reauth_confirm()
async def async_step_reauth_confirm(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Dialog that informs the user that reauth is required."""
errors: dict[str, str] = {}
reauth_entry = self._get_reauth_entry()
if user_input:
user_input[CONF_USERNAME] = reauth_entry.data[CONF_USERNAME]
# Reauth will use the same hardware id and re-authorise an existing
# authorised device.
if not self.hardware_id:
self.hardware_id = reauth_entry.data[CONF_DEVICE_ID]
assert self.hardware_id
try:
token = await validate_input(self.hass, self.hardware_id, user_input)
except Require2FA:
self.user_pass = user_input
return await self.async_step_2fa()
except InvalidAuth:
errors["base"] = "invalid_auth"
except Exception:
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
else:
data = {
CONF_USERNAME: user_input[CONF_USERNAME],
CONF_TOKEN: token,
CONF_DEVICE_ID: self.hardware_id,
}
return self.async_update_reload_and_abort(reauth_entry, data=data)
return self.async_show_form(
step_id="reauth_confirm",
data_schema=STEP_REAUTH_DATA_SCHEMA,
errors=errors,
description_placeholders={
CONF_USERNAME: reauth_entry.data[CONF_USERNAME],
CONF_NAME: reauth_entry.data[CONF_USERNAME],
},
)
async def async_step_reconfigure(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Trigger a reconfiguration flow."""
errors: dict[str, str] = {}
reconfigure_entry = self._get_reconfigure_entry()
username = reconfigure_entry.data[CONF_USERNAME]
await self.async_set_unique_id(username)
if user_input:
user_input[CONF_USERNAME] = username
# Reconfigure will generate a new hardware id and create a new
# authorised device at ring.com.
if not self.hardware_id:
self.hardware_id = str(uuid.uuid4())
try:
assert self.hardware_id
token = await validate_input(self.hass, self.hardware_id, user_input)
except Require2FA:
self.user_pass = user_input
return await self.async_step_2fa()
except InvalidAuth:
errors["base"] = "invalid_auth"
except Exception:
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
else:
data = {
CONF_USERNAME: username,
CONF_TOKEN: token,
CONF_DEVICE_ID: self.hardware_id,
}
return self.async_update_reload_and_abort(reconfigure_entry, data=data)
return self.async_show_form(
step_id="reconfigure",
data_schema=STEP_RECONFIGURE_DATA_SCHEMA,
errors=errors,
description_placeholders={
CONF_USERNAME: username,
},
)
class Require2FA(HomeAssistantError):
"""Error to indicate we require 2FA."""
class InvalidAuth(HomeAssistantError):
"""Error to indicate there is invalid auth."""