Silos/backend/app/dependencies.py
2026-10-08 02:44:15 +05:30

61 lines
1.9 KiB
Python

import secrets
from datetime import UTC, datetime, timedelta
from fastapi import Depends, HTTPException, status
from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
from motor.motor_asyncio import AsyncIOMotorDatabase
from sqlalchemy.orm import Session
from app.database import get_db
from app.mongo import get_mongo_db
from app.models.user import User
from app.utils.security import verify_token
security_scheme = HTTPBearer(auto_error=False)
def get_current_user(
credentials: HTTPAuthorizationCredentials | None = Depends(security_scheme),
db: Session = Depends(get_db),
) -> User:
if credentials is None:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Not authenticated",
headers={"WWW-Authenticate": "Bearer"},
)
subject = verify_token(credentials.credentials, expected_type="access")
if subject is None:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Invalid or expired token",
headers={"WWW-Authenticate": "Bearer"},
)
user = db.query(User).filter(User.email == subject).first()
if user is None:
raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="User not found")
if not user.is_active:
raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Account is inactive")
return user
def get_mongo_db_dep() -> AsyncIOMotorDatabase:
try:
return get_mongo_db()
except RuntimeError:
raise HTTPException(
status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
detail="MongoDB is not available. Start it with: docker compose up mongo -d",
)
def generate_reset_token() -> str:
return secrets.token_urlsafe(32)
def reset_token_expiry(hours: int = 1) -> datetime:
return datetime.now(UTC) + timedelta(hours=hours)