mirror of
https://github.com/fastapi-users/fastapi-users.git
synced 2025-08-14 18:58:10 +08:00
59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
from typing import List, Optional
|
|
|
|
from fastapi.security import OAuth2PasswordRequestForm
|
|
|
|
from fastapi_users import password
|
|
from fastapi_users.models import BaseUserDB
|
|
|
|
|
|
class BaseUserDatabase:
|
|
"""Base adapter for retrieving, creating and updating users from a database."""
|
|
|
|
async def list(self) -> List[BaseUserDB]:
|
|
"""List all users."""
|
|
raise NotImplementedError()
|
|
|
|
async def get(self, id: str) -> Optional[BaseUserDB]:
|
|
"""Get a single user by id."""
|
|
raise NotImplementedError()
|
|
|
|
async def get_by_email(self, email: str) -> Optional[BaseUserDB]:
|
|
"""Get a single user by email."""
|
|
raise NotImplementedError()
|
|
|
|
async def create(self, user: BaseUserDB) -> BaseUserDB:
|
|
"""Create a user."""
|
|
raise NotImplementedError()
|
|
|
|
async def update(self, user: BaseUserDB) -> BaseUserDB:
|
|
"""Update a user."""
|
|
raise NotImplementedError()
|
|
|
|
async def authenticate(
|
|
self, credentials: OAuth2PasswordRequestForm
|
|
) -> Optional[BaseUserDB]:
|
|
"""
|
|
Authenticate and return a user following an email and a password.
|
|
|
|
Will automatically upgrade password hash if necessary.
|
|
"""
|
|
user = await self.get_by_email(credentials.username)
|
|
|
|
if user is None:
|
|
# Run the hasher to mitigate timing attack
|
|
# Inspired from Django: https://code.djangoproject.com/ticket/20760
|
|
password.get_password_hash(credentials.password)
|
|
return None
|
|
|
|
verified, updated_password_hash = password.verify_and_update_password(
|
|
credentials.password, user.hashed_password
|
|
)
|
|
if not verified:
|
|
return None
|
|
# Update password hash to a more robust one if needed
|
|
if updated_password_hash is not None:
|
|
user.hashed_password = updated_password_hash
|
|
await self.update(user)
|
|
|
|
return user
|