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70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
"""API for Google Mail bound to Home Assistant OAuth."""
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from functools import partial
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from aiohttp.client_exceptions import ClientError
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from google.oauth2.credentials import Credentials
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from googleapiclient.discovery import Resource, build
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from homeassistant.config_entries import ConfigEntryState
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from homeassistant.const import CONF_ACCESS_TOKEN
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import (
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ConfigEntryAuthFailed,
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ConfigEntryNotReady,
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HomeAssistantError,
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OAuth2TokenRequestError,
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OAuth2TokenRequestReauthError,
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)
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from homeassistant.helpers import config_entry_oauth2_flow
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class AsyncConfigEntryAuth:
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"""Provide Google Mail authentication tied to an OAuth2 based config entry."""
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def __init__(
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self,
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hass: HomeAssistant,
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oauth2_session: config_entry_oauth2_flow.OAuth2Session,
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) -> None:
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"""Initialize Google Mail Auth."""
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self._hass = hass
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self.oauth_session = oauth2_session
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@property
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def access_token(self) -> str:
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"""Return the access token."""
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return self.oauth_session.token[CONF_ACCESS_TOKEN]
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async def check_and_refresh_token(self) -> str:
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"""Check the token."""
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setup_in_progress = (
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self.oauth_session.config_entry.state is ConfigEntryState.SETUP_IN_PROGRESS
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)
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try:
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await self.oauth_session.async_ensure_token_valid()
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except OAuth2TokenRequestReauthError as ex:
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if setup_in_progress:
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raise ConfigEntryAuthFailed(
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"OAuth session is not valid, reauth required"
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) from ex
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self.oauth_session.config_entry.async_start_reauth(self.oauth_session.hass)
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raise
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except OAuth2TokenRequestError as ex:
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if setup_in_progress:
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raise ConfigEntryNotReady from ex
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raise
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except ClientError as ex:
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if setup_in_progress:
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raise ConfigEntryNotReady from ex
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raise HomeAssistantError(ex) from ex
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return self.access_token
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async def get_resource(self) -> Resource:
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"""Get current resource."""
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credentials = Credentials(await self.check_and_refresh_token())
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return await self._hass.async_add_executor_job(
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partial(build, "gmail", "v1", credentials=credentials)
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)
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