167 lines
5.0 KiB
Python
167 lines
5.0 KiB
Python
"""Config flow to configure Blink."""
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from __future__ import annotations
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from collections.abc import Mapping
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import logging
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from typing import Any
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from blinkpy.auth import Auth, LoginError, TokenRefreshFailed
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from blinkpy.blinkpy import Blink, BlinkSetupError
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import voluptuous as vol
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from homeassistant.config_entries import ConfigEntry, ConfigFlow
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from homeassistant.const import (
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CONF_PASSWORD,
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CONF_PIN,
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CONF_SCAN_INTERVAL,
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CONF_USERNAME,
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)
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from homeassistant.core import callback
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers import selector
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from homeassistant.helpers.schema_config_entry_flow import (
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SchemaFlowFormStep,
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SchemaOptionsFlowHandler,
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)
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from .const import DEFAULT_SCAN_INTERVAL, DEVICE_ID, DOMAIN
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_LOGGER = logging.getLogger(__name__)
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SIMPLE_OPTIONS_SCHEMA = vol.Schema(
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{
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vol.Optional(
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CONF_SCAN_INTERVAL, default=DEFAULT_SCAN_INTERVAL
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): selector.NumberSelector(
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selector.NumberSelectorConfig(
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mode=selector.NumberSelectorMode.BOX,
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unit_of_measurement="seconds",
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),
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),
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}
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)
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OPTIONS_FLOW = {
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"init": SchemaFlowFormStep(next_step="simple_options"),
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"simple_options": SchemaFlowFormStep(SIMPLE_OPTIONS_SCHEMA),
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}
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def validate_input(auth: Auth) -> None:
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"""Validate the user input allows us to connect."""
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try:
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auth.startup()
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except (LoginError, TokenRefreshFailed) as err:
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raise InvalidAuth from err
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if auth.check_key_required():
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raise Require2FA
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def _send_blink_2fa_pin(auth: Auth, pin: str | None) -> bool:
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"""Send 2FA pin to blink servers."""
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blink = Blink()
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blink.auth = auth
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blink.setup_login_ids()
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blink.setup_urls()
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return auth.send_auth_key(blink, pin)
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class BlinkConfigFlow(ConfigFlow, domain=DOMAIN):
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"""Handle a Blink config flow."""
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VERSION = 3
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def __init__(self) -> None:
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"""Initialize the blink flow."""
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self.auth: Auth | None = None
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@staticmethod
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@callback
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def async_get_options_flow(
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config_entry: ConfigEntry,
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) -> SchemaOptionsFlowHandler:
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"""Get options flow for this handler."""
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return SchemaOptionsFlowHandler(config_entry, OPTIONS_FLOW)
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async def async_step_user(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle a flow initiated by the user."""
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errors = {}
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if user_input is not None:
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self.auth = Auth({**user_input, "device_id": DEVICE_ID}, no_prompt=True)
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await self.async_set_unique_id(user_input[CONF_USERNAME])
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try:
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await self.hass.async_add_executor_job(validate_input, self.auth)
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return self._async_finish_flow()
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except Require2FA:
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return await self.async_step_2fa()
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except InvalidAuth:
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errors["base"] = "invalid_auth"
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except Exception: # pylint: disable=broad-except
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_LOGGER.exception("Unexpected exception")
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errors["base"] = "unknown"
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return self.async_show_form(
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step_id="user",
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data_schema=vol.Schema(
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{
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vol.Required(CONF_USERNAME): str,
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vol.Required(CONF_PASSWORD): str,
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}
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),
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errors=errors,
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)
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async def async_step_2fa(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle 2FA step."""
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errors = {}
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if user_input is not None:
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pin: str | None = user_input.get(CONF_PIN)
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try:
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assert self.auth
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valid_token = await self.hass.async_add_executor_job(
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_send_blink_2fa_pin, self.auth, pin
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)
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except BlinkSetupError:
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errors["base"] = "cannot_connect"
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except Exception: # pylint: disable=broad-except
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_LOGGER.exception("Unexpected exception")
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errors["base"] = "unknown"
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else:
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if valid_token:
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return self._async_finish_flow()
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errors["base"] = "invalid_access_token"
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return self.async_show_form(
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step_id="2fa",
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data_schema=vol.Schema(
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{vol.Optional(CONF_PIN): vol.All(str, vol.Length(min=1))}
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),
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errors=errors,
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)
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async def async_step_reauth(self, entry_data: Mapping[str, Any]) -> FlowResult:
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"""Perform reauth upon migration of old entries."""
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return await self.async_step_user(dict(entry_data))
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@callback
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def _async_finish_flow(self) -> FlowResult:
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"""Finish with setup."""
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assert self.auth
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return self.async_create_entry(title=DOMAIN, data=self.auth.login_attributes)
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class Require2FA(HomeAssistantError):
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"""Error to indicate we require 2FA."""
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class InvalidAuth(HomeAssistantError):
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"""Error to indicate there is invalid auth."""
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