273 lines
10 KiB
Python
273 lines
10 KiB
Python
import json
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import logging
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import re
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import secrets
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import urllib
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from dataclasses import dataclass
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from datetime import datetime, timedelta
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from pprint import pformat
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from typing import Dict, Optional
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from urllib import parse
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from urllib.parse import quote
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from aiohttp import ClientResponse
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from yarl import URL
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from pyhon import const, exceptions
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from pyhon.connection.handler.auth import HonAuthConnectionHandler
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_LOGGER = logging.getLogger(__name__)
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@dataclass
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class HonLoginData:
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url: str = ""
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email: str = ""
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password: str = ""
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fw_uid: str = ""
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loaded: Optional[Dict] = None
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class HonAuth:
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_TOKEN_EXPIRES_AFTER_HOURS = 8
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_TOKEN_EXPIRE_WARNING_HOURS = 7
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def __init__(self, session, email, password, device) -> None:
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self._session = session
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self._request = HonAuthConnectionHandler(session)
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self._login_data = HonLoginData()
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self._login_data.email = email
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self._login_data.password = password
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self._access_token = ""
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self._refresh_token = ""
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self._cognito_token = ""
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self._id_token = ""
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self._device = device
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self._expires: datetime = datetime.utcnow()
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@property
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def cognito_token(self) -> str:
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return self._cognito_token
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@property
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def id_token(self) -> str:
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return self._id_token
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@property
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def access_token(self) -> str:
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return self._access_token
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@property
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def refresh_token(self) -> str:
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return self._refresh_token
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def _check_token_expiration(self, hours: int) -> bool:
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return datetime.utcnow() >= self._expires + timedelta(hours=hours)
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@property
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def token_is_expired(self) -> bool:
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return self._check_token_expiration(self._TOKEN_EXPIRES_AFTER_HOURS)
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@property
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def token_expires_soon(self) -> bool:
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return self._check_token_expiration(self._TOKEN_EXPIRE_WARNING_HOURS)
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async def _error_logger(self, response: ClientResponse, fail: bool = True) -> None:
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output = "hOn Authentication Error\n"
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for i, (status, url) in enumerate(self._request.called_urls):
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output += f" {i + 1: 2d} {status} - {url}\n"
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output += f"ERROR - {response.status} - {response.request_info.url}\n"
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output += f"{15 * '='} Response {15 * '='}\n{await response.text()}\n{40 * '='}"
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_LOGGER.error(output)
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if fail:
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raise exceptions.HonAuthenticationError("Can't login")
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def _generate_nonce(self) -> str:
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nonce = secrets.token_hex(16)
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return f"{nonce[:8]}-{nonce[8:12]}-{nonce[12:16]}-{nonce[16:20]}-{nonce[20:]}"
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async def _load_login(self):
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login_url = await self._introduce()
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login_url = await self._handle_redirects(login_url)
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await self._login_url(login_url)
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async def _introduce(self) -> str:
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redirect_uri = urllib.parse.quote(f"{const.APP}://mobilesdk/detect/oauth/done")
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params = {
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"response_type": "token+id_token",
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"client_id": const.CLIENT_ID,
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"redirect_uri": redirect_uri,
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"display": "touch",
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"scope": "api openid refresh_token web",
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"nonce": self._generate_nonce(),
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}
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params = "&".join([f"{k}={v}" for k, v in params.items()])
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url = f"{const.AUTH_API}/services/oauth2/authorize/expid_Login?{params}"
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async with self._request.get(url) as response:
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text = await response.text()
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self._expires = datetime.utcnow()
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if not (login_url := re.findall("url = '(.+?)'", text)):
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if "oauth/done#access_token=" in text:
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self._parse_token_data(text)
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raise exceptions.HonNoAuthenticationNeeded()
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await self._error_logger(response)
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return login_url[0]
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async def _manual_redirect(self, url: str) -> str:
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async with self._request.get(url, allow_redirects=False) as response:
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if not (new_location := response.headers.get("Location")):
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await self._error_logger(response)
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return new_location
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async def _handle_redirects(self, login_url) -> str:
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redirect1 = await self._manual_redirect(login_url)
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redirect2 = await self._manual_redirect(redirect1)
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return f"{redirect2}&System=IoT_Mobile_App&RegistrationSubChannel=hOn"
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async def _login_url(self, login_url: str) -> bool:
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headers = {"user-agent": const.USER_AGENT}
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url = URL(login_url, encoded=True)
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async with self._request.get(url, headers=headers) as response:
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text = await response.text()
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if context := re.findall('"fwuid":"(.*?)","loaded":(\\{.*?})', text):
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fw_uid, loaded_str = context[0]
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self._login_data.fw_uid = fw_uid
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self._login_data.loaded = json.loads(loaded_str)
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self._login_data.url = login_url.replace(
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"/".join(const.AUTH_API.split("/")[:-1]), ""
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)
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return True
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await self._error_logger(response)
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async def _login(self):
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start_url = parse.unquote(self._login_data.url.split("startURL=")[-1]).split(
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"%3D"
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)[0]
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action = {
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"id": "79;a",
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"descriptor": "apex://LightningLoginCustomController/ACTION$login",
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"callingDescriptor": "markup://c:loginForm",
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"params": {
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"username": quote(self._login_data.email),
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"password": quote(self._login_data.password),
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"startUrl": start_url,
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},
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}
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data = {
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"message": {"actions": [action]},
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"aura.context": {
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"mode": "PROD",
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"fwuid": self._login_data.fw_uid,
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"app": "siteforce:loginApp2",
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"loaded": self._login_data.loaded,
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"dn": [],
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"globals": {},
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"uad": False,
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},
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"aura.pageURI": self._login_data.url,
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"aura.token": None,
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}
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params = {"r": 3, "other.LightningLoginCustom.login": 1}
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async with self._request.post(
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const.AUTH_API + "/s/sfsites/aura",
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headers={"Content-Type": "application/x-www-form-urlencoded"},
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data="&".join(f"{k}={json.dumps(v)}" for k, v in data.items()),
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params=params,
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) as response:
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if response.status == 200:
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try:
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data = await response.json()
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return data["events"][0]["attributes"]["values"]["url"]
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except json.JSONDecodeError:
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pass
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except KeyError:
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_LOGGER.error(
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"Can't get login url - %s", pformat(await response.json())
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)
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await self._error_logger(response)
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return ""
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def _parse_token_data(self, text):
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if access_token := re.findall("access_token=(.*?)&", text):
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self._access_token = access_token[0]
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if refresh_token := re.findall("refresh_token=(.*?)&", text):
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self._refresh_token = refresh_token[0]
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if id_token := re.findall("id_token=(.*?)&", text):
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self._id_token = id_token[0]
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async def _get_token(self, url):
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async with self._request.get(url) as response:
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if response.status != 200:
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await self._error_logger(response)
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return False
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url = re.findall("href\\s*=\\s*[\"'](.+?)[\"']", await response.text())
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if not url:
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await self._error_logger(response)
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return False
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if "ProgressiveLogin" in url[0]:
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async with self._request.get(url[0]) as response:
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if response.status != 200:
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await self._error_logger(response)
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return False
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url = re.findall("href\\s*=\\s*[\"'](.*?)[\"']", await response.text())
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url = "/".join(const.AUTH_API.split("/")[:-1]) + url[0]
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async with self._request.get(url) as response:
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if response.status != 200:
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await self._error_logger(response)
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return False
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self._parse_token_data(await response.text())
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return True
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async def _api_auth(self):
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post_headers = {"id-token": self._id_token}
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data = self._device.get()
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async with self._request.post(
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f"{const.API_URL}/auth/v1/login", headers=post_headers, json=data
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) as response:
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try:
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json_data = await response.json()
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except json.JSONDecodeError:
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await self._error_logger(response)
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return False
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self._cognito_token = json_data["cognitoUser"]["Token"]
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return True
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async def authenticate(self):
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self.clear()
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try:
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if not await self._load_login():
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raise exceptions.HonAuthenticationError("Can't open login page")
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if not (url := await self._login()):
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raise exceptions.HonAuthenticationError("Can't login")
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if not await self._get_token(url):
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raise exceptions.HonAuthenticationError("Can't get token")
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if not await self._api_auth():
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raise exceptions.HonAuthenticationError("Can't get api token")
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except exceptions.HonNoAuthenticationNeeded:
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return
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async def refresh(self):
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params = {
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"client_id": const.CLIENT_ID,
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"refresh_token": self._refresh_token,
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"grant_type": "refresh_token",
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}
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async with self._request.post(
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f"{const.AUTH_API}/services/oauth2/token", params=params
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) as response:
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if response.status >= 400:
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await self._error_logger(response, fail=False)
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return False
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data = await response.json()
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self._expires = datetime.utcnow()
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self._id_token = data["id_token"]
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self._access_token = data["access_token"]
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return await self._api_auth()
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def clear(self):
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self._session.cookie_jar.clear_domain(const.AUTH_API.split("/")[-2])
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self._request.called_urls = []
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self._cognito_token = ""
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self._id_token = ""
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self._access_token = ""
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self._refresh_token = ""
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