Files
bellsystems-cp/backend/auth/dependencies.py

48 lines
1.6 KiB
Python

from fastapi import Depends
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
from jose import JWTError
from auth.utils import decode_access_token
from auth.models import TokenPayload, Role
from shared.exceptions import AuthenticationError, AuthorizationError
security = HTTPBearer()
async def get_current_user(
credentials: HTTPAuthorizationCredentials = Depends(security),
) -> TokenPayload:
try:
payload = decode_access_token(credentials.credentials)
token_data = TokenPayload(
sub=payload["sub"],
email=payload["email"],
role=payload["role"],
name=payload["name"],
)
except (JWTError, KeyError):
raise AuthenticationError()
return token_data
def require_roles(*allowed_roles: Role):
async def role_checker(
current_user: TokenPayload = Depends(get_current_user),
) -> TokenPayload:
if current_user.role == Role.superadmin:
return current_user
if current_user.role not in [r.value for r in allowed_roles]:
raise AuthorizationError()
return current_user
return role_checker
# Pre-built convenience dependencies
require_superadmin = require_roles(Role.superadmin)
require_melody_access = require_roles(Role.superadmin, Role.melody_editor)
require_device_access = require_roles(Role.superadmin, Role.device_manager)
require_user_access = require_roles(Role.superadmin, Role.user_manager)
require_viewer = require_roles(
Role.superadmin, Role.melody_editor, Role.device_manager,
Role.user_manager, Role.viewer,
)