118 lines
3.5 KiB
Python
118 lines
3.5 KiB
Python
from collections.abc import Callable
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from fastapi import Depends, Header, status
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from fastapi.security import OAuth2PasswordBearer
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from jwt import InvalidTokenError
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from sqlalchemy.orm import Session
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from app.core.config import settings
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from app.core.errors import raise_api_error
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from app.core.security import decode_access_token
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from app.db.session import get_db
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from app.services.log_service import LogService
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from app.services.service_control import ServiceControlService
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from app.services.server_runtime import ServerRuntimeService
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from app.services.telegram_service import TelegramService
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from app.models.user import User
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/auth/login", auto_error=False)
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def get_current_user(
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db: Session = Depends(get_db),
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token: str | None = Depends(oauth2_scheme),
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) -> User:
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if not token:
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raise_api_error(
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status_code=status.HTTP_401_UNAUTHORIZED,
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code="unauthorized",
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message="Authentication required.",
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)
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try:
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payload = decode_access_token(token)
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user_id = int(payload["sub"])
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token_version = int(payload["ver"])
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except (InvalidTokenError, KeyError, ValueError):
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raise_api_error(
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status_code=status.HTTP_401_UNAUTHORIZED,
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code="invalid_token",
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message="Authentication token is invalid.",
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)
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user = db.get(User, user_id)
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if user is None:
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raise_api_error(
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status_code=status.HTTP_401_UNAUTHORIZED,
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code="user_not_found",
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message="Authenticated user does not exist.",
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)
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# Reject tokens from older login sessions after logout or auth-relevant
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# user updates without introducing per-token server storage.
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if user.token_version != token_version:
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raise_api_error(
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status_code=status.HTTP_401_UNAUTHORIZED,
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code="invalid_token",
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message="Authentication token is invalid.",
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)
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if not user.is_active:
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raise_api_error(
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status_code=status.HTTP_403_FORBIDDEN,
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code="user_inactive",
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message="User account is inactive.",
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)
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return user
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def require_roles(*allowed_roles: str) -> Callable[[User], User]:
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def dependency(current_user: User = Depends(get_current_user)) -> User:
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if current_user.role not in allowed_roles:
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raise_api_error(
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status_code=status.HTTP_403_FORBIDDEN,
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code="forbidden",
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message="Insufficient permissions.",
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)
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return current_user
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return dependency
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def get_server_runtime_service() -> ServerRuntimeService:
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return ServerRuntimeService()
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def get_service_control_service() -> ServiceControlService:
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return ServiceControlService()
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def get_log_service() -> LogService:
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return LogService()
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def get_telegram_service() -> TelegramService:
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return TelegramService()
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def require_telegram_bot_secret(
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bot_secret: str | None = Header(default=None, alias="X-Telegram-Bot-Secret"),
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) -> str:
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if not settings.telegram_bot_api_secret:
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raise_api_error(
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status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
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code="telegram_bot_secret_unavailable",
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message="Telegram bot integration is not configured.",
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)
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if bot_secret != settings.telegram_bot_api_secret:
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raise_api_error(
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status_code=status.HTTP_401_UNAUTHORIZED,
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code="invalid_bot_secret",
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message="Telegram bot authentication failed.",
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)
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return bot_secret
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