95 lines
3.0 KiB
Python
95 lines
3.0 KiB
Python
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"""FastAPI dependencies: auth, db, tenant context, RBAC."""
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from __future__ import annotations
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import uuid
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from typing import Any
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import redis.asyncio as aioredis
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from fastapi import Depends, HTTPException, Request, status
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.config import get_settings
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from app.core.auth import get_redis, get_session_data
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from app.core.db import get_db, set_tenant_context
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async def get_redis_dep() -> aioredis.Redis:
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"""FastAPI dependency for Redis client."""
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return get_redis()
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async def get_current_user(
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request: Request,
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db: AsyncSession = Depends(get_db),
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redis: aioredis.Redis = Depends(get_redis_dep),
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) -> dict[str, Any]:
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"""Get the current authenticated user from session cookie.
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Returns session data dict with user_id, tenant_id, email, name, role.
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"""
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settings = get_settings()
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session_id = request.cookies.get(settings.session_cookie_name)
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if not session_id:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail={"detail": "Not authenticated", "code": "not_authenticated"},
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)
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session_data = await get_session_data(redis, session_id)
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if session_data is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail={"detail": "Session expired or invalid", "code": "session_invalid"},
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)
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if not session_data.get("is_active", True):
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail={"detail": "User account deactivated", "code": "user_inactive"},
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)
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# Set RLS tenant context
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tenant_id = uuid.UUID(session_data["tenant_id"])
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await set_tenant_context(db, tenant_id)
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return session_data
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async def require_admin(
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current_user: dict[str, Any] = Depends(get_current_user),
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) -> dict[str, Any]:
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"""Require admin role."""
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if current_user.get("role") != "admin":
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail={"detail": "Admin access required", "code": "forbidden"},
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)
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return current_user
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async def require_write(
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current_user: dict[str, Any] = Depends(get_current_user),
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) -> dict[str, Any]:
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"""Require write permission (admin or editor)."""
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role = current_user.get("role", "viewer")
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if role not in ("admin", "editor"):
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail={"detail": "Write access required", "code": "forbidden"},
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)
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return current_user
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async def get_tenant_id(
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current_user: dict[str, Any] = Depends(get_current_user),
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) -> uuid.UUID:
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"""Extract tenant_id from current user session."""
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return uuid.UUID(current_user["tenant_id"])
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async def get_current_user_id(
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current_user: dict[str, Any] = Depends(get_current_user),
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) -> uuid.UUID:
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"""Extract user_id from current user session."""
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return uuid.UUID(current_user["user_id"])
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