synapse/synapse/config/server_notices_config.py

# -*- coding: utf-8 -*-
# Copyright 2018 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.
from synapse.types import UserID

from ._base import Config

DEFAULT_CONFIG = """\
# Server Notices room configuration
#
# Uncomment this section to enable a room which can be used to send notices
# from the server to users. It is a special room which cannot be left; notices
# come from a special "notices" user id.
#
# If you uncomment this section, you *must* define the system_mxid_localpart
# setting, which defines the id of the user which will be used to send the
# notices.
#
# It's also possible to override the room name, the display name of the
# "notices" user, and the avatar for the user.
#
# server_notices:
#   system_mxid_localpart: notices
#   system_mxid_display_name: "Server Notices"
#   system_mxid_avatar_url: "mxc://server.com/oumMVlgDnLYFaPVkExemNVVZ"
#   room_name: "Server Notices"
"""


class ServerNoticesConfig(Config):
    """Configuration for the server notices room.

    Attributes:
        server_notices_mxid (str|None):
            The MXID to use for server notices.
            None if server notices are not enabled.

        server_notices_mxid_display_name (str|None):
            The display name to use for the server notices user.
            None if server notices are not enabled.

        server_notices_mxid_avatar_url (str|None):
            The display name to use for the server notices user.
            None if server notices are not enabled.

        server_notices_room_name (str|None):
            The name to use for the server notices room.
            None if server notices are not enabled.
    """
    def __init__(self):
        super(ServerNoticesConfig, self).__init__()
        self.server_notices_mxid = None
        self.server_notices_mxid_display_name = None
        self.server_notices_mxid_avatar_url = None
        self.server_notices_room_name = None

    def read_config(self, config):
        c = config.get("server_notices")
        if c is None:
            return

        mxid_localpart = c['system_mxid_localpart']
        self.server_notices_mxid = UserID(
            mxid_localpart, self.server_name,
        ).to_string()
        self.server_notices_mxid_display_name = c.get(
            'system_mxid_display_name', None,
        )
        self.server_notices_mxid_avatar_url = c.get(
            'system_mxid_avatar_url', None,
        )
        # todo: i18n
        self.server_notices_room_name = c.get('room_name', "Server Notices")

    def default_config(self, **kwargs):
        return DEFAULT_CONFIG