129 lines
4.5 KiB
Python
129 lines
4.5 KiB
Python
import json
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from contextlib import asynccontextmanager
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import aiohttp
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from pyhon import const
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from pyhon.connection.auth import HonAuth, _LOGGER
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from pyhon.connection.device import HonDevice
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from pyhon.exceptions import HonAuthenticationError
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class HonBaseConnectionHandler:
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_HEADERS = {"user-agent": const.USER_AGENT, "Content-Type": "application/json"}
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def __init__(self, session=None):
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self._session = session
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self._auth = None
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async def __aenter__(self):
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return await self.create()
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async def __aexit__(self, exc_type, exc_val, exc_tb):
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await self.close()
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async def create(self):
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self._session = aiohttp.ClientSession(headers=self._HEADERS)
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return self
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@asynccontextmanager
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async def _intercept(self, method, *args, loop=0, **kwargs):
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raise NotImplementedError
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@asynccontextmanager
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async def get(self, *args, **kwargs):
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async with self._intercept(self._session.get, *args, **kwargs) as response:
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yield response
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@asynccontextmanager
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async def post(self, *args, **kwargs):
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async with self._intercept(self._session.post, *args, **kwargs) as response:
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yield response
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async def close(self):
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await self._session.close()
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class HonConnectionHandler(HonBaseConnectionHandler):
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def __init__(self, email, password, session=None):
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super().__init__(session=session)
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self._device = HonDevice()
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self._email = email
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self._password = password
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if not self._email:
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raise HonAuthenticationError("An email address must be specified")
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if not self._password:
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raise HonAuthenticationError("A password address must be specified")
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self._request_headers = {}
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@property
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def device(self):
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return self._device
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async def create(self):
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await super().create()
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self._auth = HonAuth(self._session, self._email, self._password, self._device)
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return self
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async def _check_headers(self, headers):
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if (
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"cognito-token" not in self._request_headers
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or "id-token" not in self._request_headers
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):
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if await self._auth.authorize():
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self._request_headers["cognito-token"] = self._auth.cognito_token
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self._request_headers["id-token"] = self._auth.id_token
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else:
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raise HonAuthenticationError("Can't login")
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return {h: v for h, v in self._request_headers.items() if h not in headers}
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@asynccontextmanager
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async def _intercept(self, method, *args, loop=0, **kwargs):
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kwargs["headers"] = await self._check_headers(kwargs.get("headers", {}))
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async with method(*args, **kwargs) as response:
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if response.status == 403 and not loop:
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_LOGGER.info("Try refreshing token...")
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await self._auth.refresh()
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yield await self._intercept(method, *args, loop=loop + 1, **kwargs)
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elif response.status == 403 and loop < 2:
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_LOGGER.warning(
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"%s - Error %s - %s",
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response.request_info.url,
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response.status,
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await response.text(),
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)
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await self.create()
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yield await self._intercept(method, *args, loop=loop + 1, **kwargs)
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elif loop >= 2:
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_LOGGER.error(
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"%s - Error %s - %s",
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response.request_info.url,
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response.status,
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await response.text(),
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)
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raise HonAuthenticationError("Login failure")
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else:
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try:
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await response.json()
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yield response
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except json.JSONDecodeError:
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_LOGGER.warning(
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"%s - JsonDecodeError %s - %s",
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response.request_info.url,
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response.status,
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await response.text(),
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)
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yield {}
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class HonAnonymousConnectionHandler(HonBaseConnectionHandler):
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_HEADERS = HonBaseConnectionHandler._HEADERS | {"x-api-key": const.API_KEY}
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@asynccontextmanager
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async def _intercept(self, method, *args, loop=0, **kwargs):
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kwargs["headers"] = kwargs.pop("headers", {}) | self._HEADERS
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async with method(*args, **kwargs) as response:
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if response.status == 403:
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_LOGGER.error("Can't authenticate anymore")
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yield response
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