airflow auth 源码
airflow auth 代码
文件路径：/airflow/www/auth.py
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# 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
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import annotations
from functools import wraps
from typing import Callable, Sequence, TypeVar, cast
from flask import current_app, flash, g, redirect, render_template, request, url_for
from airflow.configuration import conf
from airflow.utils.net import get_hostname
T = TypeVar("T", bound=Callable)
def has_access(permissions: Sequence[tuple[str, str]] | None = None) -> Callable[[T], T]:
"""Factory for decorator that checks current user's permissions against required permissions."""
def requires_access_decorator(func: T):
@wraps(func)
def decorated(*args, **kwargs):
__tracebackhide__ = True # Hide from pytest traceback.
appbuilder = current_app.appbuilder
dag_id = (
request.args.get("dag_id")
or request.form.get("dag_id")
or (request.is_json and request.json.get("dag_id"))
or None
)
if appbuilder.sm.check_authorization(permissions, dag_id):
return func(*args, **kwargs)
elif not g.user.is_anonymous and not g.user.perms:
return (
render_template(
'airflow/no_roles_permissions.html',
hostname=get_hostname()
if conf.getboolean('webserver', 'EXPOSE_HOSTNAME', fallback=True)
else 'redact',
logout_url=appbuilder.get_url_for_logout,
),
403,
)
else:
access_denied = "Access is Denied"
flash(access_denied, "danger")
return redirect(
url_for(
appbuilder.sm.auth_view.__class__.__name__ + ".login",
next=request.url,
)
)
return cast(T, decorated)
return requires_access_decorator
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