nearxos
6185b9b85a
Self-hosted, Docker-based agentic troubleshooting platform: FastAPI backend + LangGraph agent, Next.js UI, tiered LLM routing (local Ollama -> Gemini -> DeepSeek -> OpenRouter), MCP server manager, encrypted device credentials, RBAC, audit log, project-memory + Obsidian integrations, and editable troubleshooting decision rules tuned for the GeneseasX vessel stack. Co-authored-by: Cursor <cursoragent@cursor.com>
58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
"""Auth + RBAC dependencies for FastAPI routes."""
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from __future__ import annotations
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from collections.abc import Callable
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.security import decode_access_token
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from app.database import get_db
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from app.models.enums import Role
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from app.models.user import User
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
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# Privilege ordering: higher number = more privilege
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_ROLE_RANK = {Role.readonly: 0, Role.support: 1, Role.admin: 2}
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async def get_current_user(
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token: str = Depends(oauth2_scheme),
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db: AsyncSession = Depends(get_db),
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) -> User:
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creds_error = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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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 creds_error
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result = await db.execute(select(User).where(User.email == payload["sub"]))
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user = result.scalar_one_or_none()
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if user is None or not user.is_active:
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raise creds_error
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return user
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def require_role(minimum: Role) -> Callable:
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"""Return a dependency that enforces a minimum role."""
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async def _guard(user: User = Depends(get_current_user)) -> User:
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if _ROLE_RANK[user.role] < _ROLE_RANK[minimum]:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail=f"Requires at least '{minimum.value}' role",
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)
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return user
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return _guard
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require_admin = require_role(Role.admin)
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require_support = require_role(Role.support)
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require_readonly = require_role(Role.readonly)
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