pyhOn/pyhon/connection/handler/hon.py
2023-04-15 15:57:36 +02:00

102 lines
3.7 KiB
Python

import json
import logging
from collections.abc import AsyncIterator
from contextlib import asynccontextmanager
from typing import Optional, Callable, Dict
import aiohttp
from typing_extensions import Self
from pyhon.connection.auth import HonAuth
from pyhon.connection.device import HonDevice
from pyhon.connection.handler.base import ConnectionHandler
from pyhon.exceptions import HonAuthenticationError, NoAuthenticationException
_LOGGER = logging.getLogger(__name__)
class HonConnectionHandler(ConnectionHandler):
def __init__(
self, email: str, password: str, session: Optional[aiohttp.ClientSession] = None
) -> None:
super().__init__(session=session)
self._device: HonDevice = HonDevice()
self._email: str = email
self._password: str = password
if not self._email:
raise HonAuthenticationError("An email address must be specified")
if not self._password:
raise HonAuthenticationError("A password address must be specified")
self._auth: Optional[HonAuth] = None
@property
def auth(self) -> HonAuth:
if self._auth is None:
raise NoAuthenticationException()
return self._auth
@property
def device(self) -> HonDevice:
return self._device
async def create(self) -> Self:
await super().create()
self._auth = HonAuth(self._session, self._email, self._password, self._device)
return self
async def _check_headers(self, headers: Dict) -> Dict:
if not (self.auth.cognito_token and self.auth.id_token):
await self.auth.authenticate()
headers["cognito-token"] = self.auth.cognito_token
headers["id-token"] = self.auth.id_token
return self._HEADERS | headers
@asynccontextmanager
async def _intercept(
self, method: Callable, *args, loop: int = 0, **kwargs
) -> AsyncIterator:
kwargs["headers"] = await self._check_headers(kwargs.get("headers", {}))
async with method(*args, **kwargs) as response:
if (
self.auth.token_expires_soon or response.status in [401, 403]
) and loop == 0:
_LOGGER.info("Try refreshing token...")
await self.auth.refresh()
async with self._intercept(
method, *args, loop=loop + 1, **kwargs
) as result:
yield result
elif (
self.auth.token_is_expired or response.status in [401, 403]
) and loop == 1:
_LOGGER.warning(
"%s - Error %s - %s",
response.request_info.url,
response.status,
await response.text(),
)
await self.create()
async with self._intercept(
method, *args, loop=loop + 1, **kwargs
) as result:
yield result
elif loop >= 2:
_LOGGER.error(
"%s - Error %s - %s",
response.request_info.url,
response.status,
await response.text(),
)
raise HonAuthenticationError("Login failure")
else:
try:
await response.json()
yield response
except json.JSONDecodeError:
_LOGGER.warning(
"%s - JsonDecodeError %s - %s",
response.request_info.url,
response.status,
await response.text(),
)
raise HonAuthenticationError("Decode Error")