83 lines
2.6 KiB
Python
83 lines
2.6 KiB
Python
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"""FastAPI dependencies."""
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from typing import AsyncGenerator
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from fastapi import Depends, HTTPException, Request, status
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from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.auth import decode_token, is_token_revoked
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from app.core.database import get_db as _get_db
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from app.core.rbac import require_admin
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from app.core.redis import get_redis
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from app.models.user import User
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from app.schemas.user import TokenPayload
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security = HTTPBearer(auto_error=False)
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async def get_db() -> AsyncGenerator[AsyncSession, None]:
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"""Yield async database session managed by FastAPI."""
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async for session in _get_db():
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yield session
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async def get_current_user(
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credentials: HTTPAuthorizationCredentials | None = Depends(security),
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db: AsyncSession = Depends(get_db),
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) -> User:
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"""Get current authenticated user from JWT access token."""
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if not credentials:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Not authenticated",
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headers={"WWW-Authenticate": "Bearer"},
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)
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token = credentials.credentials
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try:
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payload = decode_token(token, expected_type="access")
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token_data = TokenPayload(**payload)
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except ValueError as exc:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail=f"Invalid authentication credentials: {exc}",
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headers={"WWW-Authenticate": "Bearer"},
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) from exc
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if not token_data.sub or not token_data.jti:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid token payload",
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headers={"WWW-Authenticate": "Bearer"},
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)
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revoked = await is_token_revoked(token_data.jti)
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if revoked:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Token has been revoked",
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headers={"WWW-Authenticate": "Bearer"},
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)
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user = await db.get(User, token_data.sub)
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if user is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="User not found",
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headers={"WWW-Authenticate": "Bearer"},
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)
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if not user.is_active:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Inactive user",
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)
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return user
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async def get_current_admin(current_user: User = Depends(get_current_user)) -> User:
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"""Get current user and require admin role."""
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return require_admin(current_user)
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