88 lines
3.1 KiB
Python
88 lines
3.1 KiB
Python
from typing import Optional
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from fastapi import Depends, HTTPException, status, Header
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from fastapi.security import OAuth2PasswordBearer
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import select
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from app.core.database import get_db
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from app.core.security import decode_access_token, hash_token
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from app.models.models import User, Client, ClientCredential
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login", auto_error=False)
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async def get_current_user(
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token: Optional[str] = Depends(oauth2_scheme),
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db: AsyncSession = Depends(get_db)
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) -> User:
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"""Authenticates web UI users via JWT Bearer token."""
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if not token:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Authentication required",
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headers={"WWW-Authenticate": "Bearer"}
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)
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payload = decode_access_token(token)
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if not payload or "sub" not in payload:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid or expired authentication token",
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headers={"WWW-Authenticate": "Bearer"}
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)
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user_id = int(payload["sub"])
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result = await db.execute(select(User).where(User.id == user_id, User.is_active == True))
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user = result.scalar_one_or_none()
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if not user:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="User not found or deactivated"
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)
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return user
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async def require_admin(user: User = Depends(get_current_user)) -> User:
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"""Ensures current user has ADMIN role."""
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if user.role != "ADMIN":
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Admin privilege required"
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)
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return user
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async def get_current_client(
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x_device_id: Optional[str] = Header(None, alias="X-Device-Id"),
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x_device_token: Optional[str] = Header(None, alias="X-Device-Token"),
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db: AsyncSession = Depends(get_db)
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) -> Client:
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"""Authenticates Windows Agent devices via individual device ID and secret token."""
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if not x_device_id or not x_device_token:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Device authentication headers (X-Device-Id, X-Device-Token) required"
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)
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token_hash = hash_token(x_device_token)
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result = await db.execute(
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select(ClientCredential)
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.where(
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ClientCredential.device_id == x_device_id,
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ClientCredential.token_hash == token_hash,
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ClientCredential.is_revoked == False
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)
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)
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credential = result.scalar_one_or_none()
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if not credential:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid or revoked device credentials"
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)
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client_res = await db.execute(select(Client).where(Client.id == credential.client_id, Client.is_active == True))
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client = client_res.scalar_one_or_none()
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if not client:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Client device not found or inactive"
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)
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return client
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