Files
app/backend/fluksio/crud.py
T
stroblmeandClaude Opus 5 640654bd66 Rename the import package app to fluksio
A wheel whose top-level module is `app` collides with anything else in a
user's venv, so the package that is about to be published takes the name
it is published under. Only the Python package moves; the repo, the
Docker WORKDIR and the compose project keep theirs.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-21 21:48:05 +02:00

60 lines
2.1 KiB
Python

from typing import Any
from sqlmodel import Session, select
from fluksio.core.security import get_password_hash, verify_password
from fluksio.models import User, UserCreate, UserUpdate
def create_user(*, session: Session, user_create: UserCreate) -> User:
db_obj = User.model_validate(
user_create, update={"hashed_password": get_password_hash(user_create.password)}
)
session.add(db_obj)
session.commit()
session.refresh(db_obj)
return db_obj
def update_user(*, session: Session, db_user: User, user_in: UserUpdate) -> Any:
user_data = user_in.model_dump(exclude_unset=True)
extra_data = {}
if "password" in user_data:
password = user_data["password"]
hashed_password = get_password_hash(password)
extra_data["hashed_password"] = hashed_password
db_user.sqlmodel_update(user_data, update=extra_data)
session.add(db_user)
session.commit()
session.refresh(db_user)
return db_user
def get_user_by_email(*, session: Session, email: str) -> User | None:
statement = select(User).where(User.email == email)
session_user = session.exec(statement).first()
return session_user
# Dummy hash to use for timing attack prevention when user is not found
# This is an Argon2 hash of a random password, used to ensure constant-time comparison
DUMMY_HASH = "$argon2id$v=19$m=65536,t=3,p=4$MjQyZWE1MzBjYjJlZTI0Yw$YTU4NGM5ZTZmYjE2NzZlZjY0ZWY3ZGRkY2U2OWFjNjk"
def authenticate(*, session: Session, email: str, password: str) -> User | None:
db_user = get_user_by_email(session=session, email=email)
if not db_user:
# Prevent timing attacks by running password verification even when user doesn't exist
# This ensures the response time is similar whether or not the email exists
verify_password(password, DUMMY_HASH)
return None
verified, updated_password_hash = verify_password(password, db_user.hashed_password)
if not verified:
return None
if updated_password_hash:
db_user.hashed_password = updated_password_hash
session.add(db_user)
session.commit()
session.refresh(db_user)
return db_user