42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
"""API for Google Mail bound to Home Assistant OAuth."""
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from aiohttp import ClientSession
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from google.auth.exceptions import RefreshError
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from google.oauth2.credentials import Credentials
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from google.oauth2.utils import OAuthClientAuthHandler
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from googleapiclient.discovery import Resource, build
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from homeassistant.const import CONF_ACCESS_TOKEN
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from homeassistant.helpers import config_entry_oauth2_flow
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class AsyncConfigEntryAuth(OAuthClientAuthHandler):
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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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websession: ClientSession,
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oauth2Session: config_entry_oauth2_flow.OAuth2Session,
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) -> None:
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"""Initialize Google Mail Auth."""
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self.oauth_session = oauth2Session
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super().__init__(websession)
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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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await self.oauth_session.async_ensure_token_valid()
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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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try:
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credentials = Credentials(await self.check_and_refresh_token())
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except RefreshError as ex:
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self.oauth_session.config_entry.async_start_reauth(self.oauth_session.hass)
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raise ex
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return build("gmail", "v1", credentials=credentials)
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