Files
arrr-erp/app/core/security/session_auth.py
T
2026-06-25 20:33:15 +05:30

53 lines
1.9 KiB
Python

from __future__ import annotations
from datetime import datetime, timedelta, timezone
from fastapi import Request, Depends, HTTPException
from sqlalchemy.orm import Session
from sqlalchemy import select
from app.core.db.deps import get_common_db
from app.modules.core.iam.models import User
from app.modules.core.tenancy.models import Branch
from app.modules.core.tenancy.settings_models import BranchSettings
SESSION_USER_ID_KEY = "user_id"
SESSION_LOGIN_AT_KEY = "login_at"
def _now_utc() -> datetime:
return datetime.now(timezone.utc)
def get_current_user(request: Request, db: Session = Depends(get_common_db)) -> User | None:
user_id = request.session.get(SESSION_USER_ID_KEY)
if not user_id:
return None
user = db.execute(select(User).where(User.id == int(user_id))).scalar_one_or_none()
if not user or not user.is_active or not getattr(user, "allow_login", True) or getattr(user, "is_locked", False) or getattr(user, "deleted_at", None) is not None:
return None
# Enforce session duration from BranchSettings
login_at = request.session.get(SESSION_LOGIN_AT_KEY)
if login_at:
try:
login_at_dt = datetime.fromisoformat(login_at)
except Exception:
login_at_dt = None
else:
login_at_dt = None
bs = db.execute(select(BranchSettings).where(BranchSettings.branch_id == user.branch_id)).scalar_one_or_none()
max_minutes = bs.session_duration_minutes if bs else 480
if login_at_dt:
if _now_utc() - login_at_dt > timedelta(minutes=max_minutes):
# expire session
request.session.pop(SESSION_USER_ID_KEY, None)
request.session.pop(SESSION_LOGIN_AT_KEY, None)
return None
return user
def require_login(user: User | None = Depends(get_current_user)) -> User:
if not user:
raise HTTPException(status_code=401, detail="Not authenticated")
return user