from flask.views import MethodView from flask_smorest import Blueprint from marshmallow import Schema, fields from .. import returns, ram_db, decorators from ..db_utils import get_user from ..models import User from ..decorators import ensure_logged_in from pyotp import TOTP bp = Blueprint('login', __name__, description='Login operations') class LoginParams(Schema): username = fields.String() code = fields.String() class LoginResult(returns.SuccessSchema): token = fields.String() class LoginSuccessSchema(returns.SuccessSchema): token = fields.String() @bp.route('/') class Login(MethodView): @bp.arguments(LoginParams, as_kwargs=True) @bp.response(401, returns.ErrorSchema, description='Login failure') @bp.response(200, LoginSuccessSchema) def post(self, username: str, code: str): """Login via username and TOTP code""" user: User | None = get_user(username=username) if user is None: return returns.abort(returns.INVALID_DETAILS) otp = TOTP(user.otp) if not otp.verify(code, valid_window=1): return returns.abort(returns.INVALID_DETAILS) token = ram_db.login_user(user.id) return returns.success(token=token) @ensure_logged_in @bp.doc(security=[{'Token': []}]) @bp.response(401, returns.ErrorSchema, description='Login failure') @bp.response(204) def delete(self): """Logout""" ram_db.logout_user(decorators.token) @bp.post('/logout') @ensure_logged_in @bp.doc(security=[{'Token': []}]) @bp.response(401, returns.ErrorSchema, description='Login failure') @bp.response(204) def logout_route(): """Logout""" ram_db.logout_user(decorators.token) @bp.route('/whoami') class WhoAmI(MethodView): class WhoAmISchema(returns.SuccessSchema): user = fields.Nested(User.UserSchema) @bp.response(401, returns.ErrorSchema, description='Login failure') @bp.response(200, WhoAmISchema) @bp.doc(security=[{'Token': []}]) @ensure_logged_in def get(self): """Get information about currently logged in user""" user: User | None = get_user(user_id=decorators.user_id) # if user is not None: # user = user.to_json() return returns.success(user=user)