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137 lines
4 KiB
Python
137 lines
4 KiB
Python
from abc import ABC, abstractmethod
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from arrow import Arrow
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from dataclasses import dataclass
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from http import HTTPStatus
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from requests import Response, Session
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from typing import Optional
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from app.account_linking import SLPlan, SLPlanType
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from app.config import PROTON_EXTRA_HEADER_NAME, PROTON_EXTRA_HEADER_VALUE
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from app.log import LOG
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_APP_VERSION = "OauthClient_1.0.0"
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PROTON_ERROR_CODE_NOT_EXISTS = 2501
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PLAN_FREE = 1
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PLAN_PREMIUM = 2
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@dataclass
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class UserInformation:
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email: str
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name: str
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id: str
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plan: SLPlan
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@dataclass
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class ProtonUser:
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id: str
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name: str
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email: str
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plan: SLPlan
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@dataclass
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class AccessCredentials:
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access_token: str
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session_id: str
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def convert_access_token(access_token_response: str) -> AccessCredentials:
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"""
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The Access token response contains both the Proton Session ID and the Access Token.
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The Session ID is necessary in order to use the Proton API. However, the OAuth response does not allow us to return
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extra content.
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This method takes the Access token response and extracts the session ID and the access token.
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"""
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parts = access_token_response.split("-")
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if len(parts) != 3:
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raise Exception("Invalid access token response")
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if parts[0] != "pt":
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raise Exception("Invalid access token response format")
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return AccessCredentials(
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session_id=parts[1],
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access_token=parts[2],
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)
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class ProtonClient(ABC):
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@abstractmethod
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def get_user(self) -> Optional[UserInformation]:
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pass
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class HttpProtonClient(ProtonClient):
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def __init__(
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self,
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base_url: str,
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credentials: AccessCredentials,
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original_ip: Optional[str],
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verify: bool = True,
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):
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self.base_url = base_url
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self.access_token = credentials.access_token
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client = Session()
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client.verify = verify
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headers = {
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"x-pm-appversion": _APP_VERSION,
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"x-pm-apiversion": "3",
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"x-pm-uid": credentials.session_id,
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"authorization": f"Bearer {credentials.access_token}",
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"accept": "application/vnd.protonmail.v1+json",
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"user-agent": "ProtonOauthClient",
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}
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if PROTON_EXTRA_HEADER_NAME and PROTON_EXTRA_HEADER_VALUE:
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headers[PROTON_EXTRA_HEADER_NAME] = PROTON_EXTRA_HEADER_VALUE
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if original_ip is not None:
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headers["x-forwarded-for"] = original_ip
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client.headers.update(headers)
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self.client = client
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def get_user(self) -> Optional[UserInformation]:
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info = self.__get("/simple_login/v1/subscription")["Subscription"]
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if not info["IsAllowed"]:
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LOG.debug("Account is not allowed to log into SL")
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return None
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plan_value = info["Plan"]
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if plan_value == PLAN_FREE:
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plan = SLPlan(type=SLPlanType.Free, expiration=None)
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elif plan_value == PLAN_PREMIUM:
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plan = SLPlan(
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type=SLPlanType.Premium,
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expiration=Arrow.fromtimestamp(info["PlanExpiration"], tzinfo="utc"),
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)
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else:
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raise Exception(f"Invalid value for plan: {plan_value}")
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return UserInformation(
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email=info.get("Email"),
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name=info.get("DisplayName"),
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id=info.get("UserID"),
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plan=plan,
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)
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def __get(self, route: str) -> dict:
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url = f"{self.base_url}{route}"
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res = self.client.get(url)
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return self.__validate_response(res)
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@staticmethod
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def __validate_response(res: Response) -> dict:
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status = res.status_code
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if status != HTTPStatus.OK:
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raise Exception(
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f"Unexpected status code. Wanted 200 and got {status}: " + res.text
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)
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as_json = res.json()
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res_code = as_json.get("Code")
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if not res_code or res_code != 1000:
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raise Exception(
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f"Unexpected response code. Wanted 1000 and got {res_code}: " + res.text
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)
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return as_json
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