From 1a7e6eb63387704ef379bf962318f710ce5ae5f3 Mon Sep 17 00:00:00 2001 From: reivilibre <38398653+reivilibre@users.noreply.github.com> Date: Tue, 27 Aug 2019 10:14:00 +0100 Subject: [PATCH] Add Admin API capability to set adminship of a user (#5878) Admin API: Set adminship of a user --- changelog.d/5878.feature | 1 + docs/admin_api/user_admin_api.rst | 20 ++++++++ synapse/handlers/admin.py | 10 ++++ synapse/rest/admin/__init__.py | 2 + synapse/rest/admin/users.py | 76 +++++++++++++++++++++++++++++++ synapse/storage/registration.py | 23 ++++++++++ 6 files changed, 132 insertions(+) create mode 100644 changelog.d/5878.feature create mode 100644 synapse/rest/admin/users.py diff --git a/changelog.d/5878.feature b/changelog.d/5878.feature new file mode 100644 index 000000000..d9d6df880 --- /dev/null +++ b/changelog.d/5878.feature @@ -0,0 +1 @@ +Add admin API endpoint for setting whether or not a user is a server administrator. diff --git a/docs/admin_api/user_admin_api.rst b/docs/admin_api/user_admin_api.rst index 213359d0c..6ee5080ee 100644 --- a/docs/admin_api/user_admin_api.rst +++ b/docs/admin_api/user_admin_api.rst @@ -84,3 +84,23 @@ with a body of: } including an ``access_token`` of a server admin. + + +Change whether a user is a server administrator or not +====================================================== + +Note that you cannot demote yourself. + +The api is:: + + PUT /_synapse/admin/v1/users//admin + +with a body of: + +.. code:: json + + { + "admin": true + } + +including an ``access_token`` of a server admin. diff --git a/synapse/handlers/admin.py b/synapse/handlers/admin.py index 2f22f56ca..d30a68b65 100644 --- a/synapse/handlers/admin.py +++ b/synapse/handlers/admin.py @@ -94,6 +94,16 @@ class AdminHandler(BaseHandler): return ret + def set_user_server_admin(self, user, admin): + """ + Set the admin bit on a user. + + Args: + user_id (UserID): the (necessarily local) user to manipulate + admin (bool): whether or not the user should be an admin of this server + """ + return self.store.set_server_admin(user, admin) + @defer.inlineCallbacks def export_user_data(self, user_id, writer): """Write all data we have on the user to the given writer. diff --git a/synapse/rest/admin/__init__.py b/synapse/rest/admin/__init__.py index 0dce25684..9ab1c2c9e 100644 --- a/synapse/rest/admin/__init__.py +++ b/synapse/rest/admin/__init__.py @@ -44,6 +44,7 @@ from synapse.rest.admin._base import ( from synapse.rest.admin.media import register_servlets_for_media_repo from synapse.rest.admin.purge_room_servlet import PurgeRoomServlet from synapse.rest.admin.server_notice_servlet import SendServerNoticeServlet +from synapse.rest.admin.users import UserAdminServlet from synapse.types import UserID, create_requester from synapse.util.versionstring import get_version_string @@ -742,6 +743,7 @@ def register_servlets(hs, http_server): PurgeRoomServlet(hs).register(http_server) SendServerNoticeServlet(hs).register(http_server) VersionServlet(hs).register(http_server) + UserAdminServlet(hs).register(http_server) def register_servlets_for_client_rest_resource(hs, http_server): diff --git a/synapse/rest/admin/users.py b/synapse/rest/admin/users.py new file mode 100644 index 000000000..b0fddb689 --- /dev/null +++ b/synapse/rest/admin/users.py @@ -0,0 +1,76 @@ +# -*- coding: utf-8 -*- +# Copyright 2019 The Matrix.org Foundation C.I.C. +# +# 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 twisted.internet import defer + +from synapse.api.errors import SynapseError +from synapse.http.servlet import ( + RestServlet, + assert_params_in_dict, + parse_json_object_from_request, +) +from synapse.rest.admin import assert_requester_is_admin +from synapse.types import UserID + + +class UserAdminServlet(RestServlet): + """ + Set whether or not a user is a server administrator. + + Note that only local users can be server administrators, and that an + administrator may not demote themselves. + + Only server administrators can use this API. + + Example: + PUT /_synapse/admin/v1/users/@reivilibre:librepush.net/admin + { + "admin": true + } + """ + + PATTERNS = (re.compile("^/_synapse/admin/v1/users/(?P@[^/]*)/admin$"),) + + def __init__(self, hs): + self.hs = hs + self.auth = hs.get_auth() + self.handlers = hs.get_handlers() + + @defer.inlineCallbacks + def on_PUT(self, request, user_id): + yield assert_requester_is_admin(self.auth, request) + requester = yield self.auth.get_user_by_req(request) + auth_user = requester.user + + target_user = UserID.from_string(user_id) + + body = parse_json_object_from_request(request) + + assert_params_in_dict(body, ["admin"]) + + if not self.hs.is_mine(target_user): + raise SynapseError(400, "Only local users can be admins of this homeserver") + + set_admin_to = bool(body["admin"]) + + if target_user == auth_user and not set_admin_to: + raise SynapseError(400, "You may not demote yourself.") + + yield self.handlers.admin_handler.set_user_server_admin( + target_user, set_admin_to + ) + + return (200, {}) diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py index 55e4e84d7..9027b917c 100644 --- a/synapse/storage/registration.py +++ b/synapse/storage/registration.py @@ -272,6 +272,14 @@ class RegistrationWorkerStore(SQLBaseStore): @defer.inlineCallbacks def is_server_admin(self, user): + """Determines if a user is an admin of this homeserver. + + Args: + user (UserID): user ID of the user to test + + Returns (bool): + true iff the user is a server admin, false otherwise. + """ res = yield self._simple_select_one_onecol( table="users", keyvalues={"name": user.to_string()}, @@ -282,6 +290,21 @@ class RegistrationWorkerStore(SQLBaseStore): return res if res else False + def set_server_admin(self, user, admin): + """Sets whether a user is an admin of this homeserver. + + Args: + user (UserID): user ID of the user to test + admin (bool): true iff the user is to be a server admin, + false otherwise. + """ + return self._simple_update_one( + table="users", + keyvalues={"name": user.to_string()}, + updatevalues={"admin": 1 if admin else 0}, + desc="set_server_admin", + ) + def _query_for_auth(self, txn, token): sql = ( "SELECT users.name, users.is_guest, access_tokens.id as token_id,"