45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
from typing import Union
|
|
from functools import wraps
|
|
|
|
from fastapi import HTTPException, Request, status
|
|
|
|
from .models import User
|
|
from .database import db
|
|
|
|
|
|
def get_current_user(request: Request) -> User:
|
|
if (user_sub := request.session.get("user_sub")) is None:
|
|
raise HTTPException(status.HTTP_401_UNAUTHORIZED)
|
|
return db.get_user(user_sub)
|
|
|
|
|
|
def get_current_user_or_none(request: Request) -> User | None:
|
|
try:
|
|
return get_current_user(request)
|
|
except HTTPException:
|
|
return None
|
|
|
|
|
|
def hasrole(required_roles: Union[str, list[str]] = []):
|
|
required_roles_set: set[str]
|
|
if isinstance(required_roles, str):
|
|
required_roles_set = set([required_roles])
|
|
else:
|
|
required_roles_set = set(required_roles)
|
|
|
|
def decorator(func):
|
|
@wraps(func)
|
|
async def wrapper(request=None, *args, **kwargs):
|
|
if request is None:
|
|
raise HTTPException(
|
|
500,
|
|
"Functions decorated with hasrole must have a request:Request argument",
|
|
)
|
|
user: User = get_current_user(request)
|
|
if not any(required_roles_set.intersection(user.roles_as_set)):
|
|
raise HTTPException(status.HTTP_401_UNAUTHORIZED)
|
|
return await func(request, *args, **kwargs)
|
|
|
|
return wrapper
|
|
|
|
return decorator
|