airflow basic_auth 源码
airflow basic_auth 代码
文件路径：/airflow/api/auth/backend/basic_auth.py
# Licensed to the Apache Software Foundation (ASF) under one
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# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
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# KIND, either express or implied. See the License for the
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"""Basic authentication backend"""
from __future__ import annotations
from functools import wraps
from typing import Any, Callable, TypeVar, cast
from flask import Response, request
from flask_appbuilder.const import AUTH_LDAP
from flask_login import login_user
from airflow.utils.airflow_flask_app import get_airflow_app
from airflow.www.fab_security.sqla.models import User
CLIENT_AUTH: tuple[str, str] | Any | None = None
def init_app(_):
"""Initializes authentication backend"""
T = TypeVar("T", bound=Callable)
def auth_current_user() -> User | None:
"""Authenticate and set current user if Authorization header exists"""
auth = request.authorization
if auth is None or not auth.username or not auth.password:
return None
ab_security_manager = get_airflow_app().appbuilder.sm
user = None
if ab_security_manager.auth_type == AUTH_LDAP:
user = ab_security_manager.auth_user_ldap(auth.username, auth.password)
if user is None:
user = ab_security_manager.auth_user_db(auth.username, auth.password)
if user is not None:
login_user(user, remember=False)
return user
def requires_authentication(function: T):
"""Decorator for functions that require authentication"""
@wraps(function)
def decorated(*args, **kwargs):
if auth_current_user() is not None:
return function(*args, **kwargs)
else:
return Response("Unauthorized", 401, {"WWW-Authenticate": "Basic"})
return cast(T, decorated)
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