43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
from __future__ import annotations
|
|
import functools
|
|
from quart import session, redirect, url_for, abort, g
|
|
from roundtable.models.users import UserRole
|
|
|
|
_ROLE_ORDER = [UserRole.viewer, UserRole.operator, UserRole.admin]
|
|
|
|
|
|
def require_role(minimum_role: UserRole):
|
|
"""Decorator: requires authenticated user with at least minimum_role.
|
|
Also allows access for validated share-token requests (viewer level only).
|
|
"""
|
|
def decorator(f):
|
|
@functools.wraps(f)
|
|
async def wrapper(*args, **kwargs):
|
|
# Share-token requests bypass session auth for viewer-level endpoints
|
|
if getattr(g, "share_viewer", False) and minimum_role == UserRole.viewer:
|
|
return await f(*args, **kwargs)
|
|
user_id = session.get("user_id")
|
|
if not user_id:
|
|
return redirect(url_for("auth.login"))
|
|
user_role = UserRole(session.get("user_role", "viewer"))
|
|
if _ROLE_ORDER.index(user_role) < _ROLE_ORDER.index(minimum_role):
|
|
abort(403)
|
|
return await f(*args, **kwargs)
|
|
return wrapper
|
|
return decorator
|
|
|
|
|
|
def login_user(user) -> None:
|
|
"""Write user identity into the session."""
|
|
session["user_id"] = user.id
|
|
session["user_role"] = user.role.value
|
|
session["username"] = user.username
|
|
|
|
|
|
def logout_user() -> None:
|
|
session.clear()
|
|
|
|
|
|
def current_user_id() -> str | None:
|
|
return session.get("user_id")
|