synapse-old/synapse/rest/admin/_base.py

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# Copyright 2019 New Vector Ltd
#
# Licensed 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.
import re
from http import HTTPStatus
from typing import Iterable, Pattern
from synapse.api.auth import Auth
from synapse.api.errors import AuthError
from synapse.http.site import SynapseRequest
from synapse.types import UserID
def admin_patterns(path_regex: str, version: str = "v1") -> Iterable[Pattern]:
"""Returns the list of patterns for an admin endpoint
Args:
path_regex: The regex string to match. This should NOT have a ^
as this will be prefixed.
Returns:
A list of regex patterns.
"""
admin_prefix = "^/_synapse/admin/" + version
patterns = [re.compile(admin_prefix + path_regex)]
return patterns
async def assert_requester_is_admin(auth: Auth, request: SynapseRequest) -> None:
"""Verify that the requester is an admin user
Args:
auth: Auth singleton
request: incoming request
Raises:
AuthError if the requester is not a server admin
"""
requester = await auth.get_user_by_req(request)
await assert_user_is_admin(auth, requester.user)
async def assert_user_is_admin(auth: Auth, user_id: UserID) -> None:
"""Verify that the given user is an admin user
Args:
auth: Auth singleton
user_id: user to check
Raises:
AuthError if the user is not a server admin
"""
is_admin = await auth.is_server_admin(user_id)
if not is_admin:
raise AuthError(HTTPStatus.FORBIDDEN, "You are not a server admin")