core/homeassistant/components/blink/config_flow.py

137 lines
4.3 KiB
Python

"""Config flow to configure Blink."""
from __future__ import annotations
from collections.abc import Mapping
import logging
from typing import Any
from blinkpy.auth import Auth, LoginError, TokenRefreshFailed
from blinkpy.blinkpy import Blink, BlinkSetupError
import voluptuous as vol
from homeassistant.config_entries import SOURCE_REAUTH, ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_PASSWORD, CONF_PIN, CONF_USERNAME
from homeassistant.core import HomeAssistant, callback
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from .const import DEVICE_ID, DOMAIN
_LOGGER = logging.getLogger(__name__)
async def validate_input(auth: Auth) -> None:
"""Validate the user input allows us to connect."""
try:
await auth.startup()
except (LoginError, TokenRefreshFailed) as err:
raise InvalidAuth from err
if auth.check_key_required():
raise Require2FA
async def _send_blink_2fa_pin(hass: HomeAssistant, auth: Auth, pin: str | None) -> bool:
"""Send 2FA pin to blink servers."""
blink = Blink(session=async_get_clientsession(hass))
blink.auth = auth
blink.setup_login_ids()
blink.setup_urls()
return await auth.send_auth_key(blink, pin)
class BlinkConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a Blink config flow."""
VERSION = 3
def __init__(self) -> None:
"""Initialize the blink flow."""
self.auth: Auth | None = None
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle a flow initiated by the user."""
errors = {}
if user_input is not None:
self.auth = Auth(
{**user_input, "device_id": DEVICE_ID},
no_prompt=True,
session=async_get_clientsession(self.hass),
)
await self.async_set_unique_id(user_input[CONF_USERNAME])
if self.source != SOURCE_REAUTH:
self._abort_if_unique_id_configured()
try:
await validate_input(self.auth)
return self._async_finish_flow()
except Require2FA:
return await self.async_step_2fa()
except InvalidAuth:
errors["base"] = "invalid_auth"
except Exception:
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
return self.async_show_form(
step_id="user",
data_schema=vol.Schema(
{
vol.Required(CONF_USERNAME): str,
vol.Required(CONF_PASSWORD): str,
}
),
errors=errors,
)
async def async_step_2fa(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle 2FA step."""
errors = {}
if user_input is not None:
try:
valid_token = await _send_blink_2fa_pin(
self.hass, self.auth, user_input.get(CONF_PIN)
)
except BlinkSetupError:
errors["base"] = "cannot_connect"
except Exception:
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
else:
if valid_token:
return self._async_finish_flow()
errors["base"] = "invalid_access_token"
return self.async_show_form(
step_id="2fa",
data_schema=vol.Schema(
{vol.Optional(CONF_PIN): vol.All(str, vol.Length(min=1))}
),
errors=errors,
)
async def async_step_reauth(
self, entry_data: Mapping[str, Any]
) -> ConfigFlowResult:
"""Perform reauth upon migration of old entries."""
return await self.async_step_user(dict(entry_data))
@callback
def _async_finish_flow(self) -> ConfigFlowResult:
"""Finish with setup."""
assert self.auth
return self.async_create_entry(title=DOMAIN, data=self.auth.login_attributes)
class Require2FA(HomeAssistantError):
"""Error to indicate we require 2FA."""
class InvalidAuth(HomeAssistantError):
"""Error to indicate there is invalid auth."""