superset guest_token 源码
superset guest_token 代码
文件路径：/superset/security/guest_token.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 enum import Enum
from typing import List, Optional, TypedDict, Union
from flask_appbuilder.security.sqla.models import Role
from flask_login import AnonymousUserMixin
class GuestTokenUser(TypedDict, total=False):
username: str
first_name: str
last_name: str
class GuestTokenResourceType(Enum):
DASHBOARD = "dashboard"
class GuestTokenResource(TypedDict):
type: GuestTokenResourceType
id: Union[str, int]
GuestTokenResources = List[GuestTokenResource]
class GuestTokenRlsRule(TypedDict):
dataset: Optional[str]
clause: str
class GuestToken(TypedDict):
iat: float
exp: float
user: GuestTokenUser
resources: GuestTokenResources
rls_rules: List[GuestTokenRlsRule]
class GuestUser(AnonymousUserMixin):
"""
Used as the "anonymous" user in case of guest authentication (embedded)
"""
is_guest_user = True
@property
def is_authenticated(self) -> bool:
"""
This is set to true because guest users should be considered authenticated,
at least in most places. The treatment of this flag is kind of inconsistent.
"""
return True
@property
def is_anonymous(self) -> bool:
"""
This is set to false because lots of code assumes that
if user.is_anonymous, then role = Public
But guest users need to have their own role independent of Public.
"""
return False
def __init__(self, token: GuestToken, roles: List[Role]):
user = token["user"]
self.guest_token = token
self.username = user.get("username", "guest_user")
self.first_name = user.get("first_name", "Guest")
self.last_name = user.get("last_name", "User")
self.roles = roles
self.resources = token["resources"]
self.rls = token.get("rls_rules", [])
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