core/homeassistant/components/nest/local_auth.py

46 lines
1.3 KiB
Python

"""Local Nest authentication."""
import asyncio
from functools import partial
from homeassistant.core import callback
from . import config_flow
from .const import DOMAIN
@callback
def initialize(hass, client_id, client_secret):
"""Initialize a local auth provider."""
config_flow.register_flow_implementation(
hass, DOMAIN, 'configuration.yaml',
partial(generate_auth_url, client_id),
partial(resolve_auth_code, hass, client_id, client_secret)
)
async def generate_auth_url(client_id, flow_id):
"""Generate an authorize url."""
from nest.nest import AUTHORIZE_URL
return AUTHORIZE_URL.format(client_id, flow_id)
async def resolve_auth_code(hass, client_id, client_secret, code):
"""Resolve an authorization code."""
from nest.nest import NestAuth, AuthorizationError
result = asyncio.Future()
auth = NestAuth(
client_id=client_id,
client_secret=client_secret,
auth_callback=result.set_result,
)
auth.pin = code
try:
await hass.async_add_job(auth.login)
return await result
except AuthorizationError as err:
if err.response.status_code == 401:
raise config_flow.CodeInvalid()
raise config_flow.NestAuthError('Unknown error: {} ({})'.format(
err, err.response.status_code))