anonymousland-synapse/synapse/config/api.py
Patrick Cloke 8422a7f7f6
Include the topic event in the prejoin state, per MSC3173. ()
Invites and knocks will now include the topic in the stripped state
send to clients before joining the room.
2022-01-04 11:08:08 -05:00

142 lines
4.8 KiB
Python

# Copyright 2015-2021 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 logging
from typing import Iterable
from synapse.api.constants import EventTypes
from synapse.config._base import Config, ConfigError
from synapse.config._util import validate_config
from synapse.types import JsonDict
logger = logging.getLogger(__name__)
class ApiConfig(Config):
section = "api"
def read_config(self, config: JsonDict, **kwargs):
validate_config(_MAIN_SCHEMA, config, ())
self.room_prejoin_state = list(self._get_prejoin_state_types(config))
def generate_config_section(cls, **kwargs) -> str:
formatted_default_state_types = "\n".join(
" # - %s" % (t,) for t in _DEFAULT_PREJOIN_STATE_TYPES
)
return """\
## API Configuration ##
# Controls for the state that is shared with users who receive an invite
# to a room
#
room_prejoin_state:
# By default, the following state event types are shared with users who
# receive invites to the room:
#
%(formatted_default_state_types)s
#
# Uncomment the following to disable these defaults (so that only the event
# types listed in 'additional_event_types' are shared). Defaults to 'false'.
#
#disable_default_event_types: true
# Additional state event types to share with users when they are invited
# to a room.
#
# By default, this list is empty (so only the default event types are shared).
#
#additional_event_types:
# - org.example.custom.event.type
""" % {
"formatted_default_state_types": formatted_default_state_types
}
def _get_prejoin_state_types(self, config: JsonDict) -> Iterable[str]:
"""Get the event types to include in the prejoin state
Parses the config and returns an iterable of the event types to be included.
"""
room_prejoin_state_config = config.get("room_prejoin_state") or {}
# backwards-compatibility support for room_invite_state_types
if "room_invite_state_types" in config:
# if both "room_invite_state_types" and "room_prejoin_state" are set, then
# we don't really know what to do.
if room_prejoin_state_config:
raise ConfigError(
"Can't specify both 'room_invite_state_types' and 'room_prejoin_state' "
"in config"
)
logger.warning(_ROOM_INVITE_STATE_TYPES_WARNING)
yield from config["room_invite_state_types"]
return
if not room_prejoin_state_config.get("disable_default_event_types"):
yield from _DEFAULT_PREJOIN_STATE_TYPES
yield from room_prejoin_state_config.get("additional_event_types", [])
_ROOM_INVITE_STATE_TYPES_WARNING = """\
WARNING: The 'room_invite_state_types' configuration setting is now deprecated,
and replaced with 'room_prejoin_state'. New features may not work correctly
unless 'room_invite_state_types' is removed. See the sample configuration file for
details of 'room_prejoin_state'.
--------------------------------------------------------------------------------
"""
_DEFAULT_PREJOIN_STATE_TYPES = [
EventTypes.JoinRules,
EventTypes.CanonicalAlias,
EventTypes.RoomAvatar,
EventTypes.RoomEncryption,
EventTypes.Name,
# Per MSC1772.
EventTypes.Create,
# Per MSC3173.
EventTypes.Topic,
]
# room_prejoin_state can either be None (as it is in the default config), or
# an object containing other config settings
_ROOM_PREJOIN_STATE_CONFIG_SCHEMA = {
"oneOf": [
{
"type": "object",
"properties": {
"disable_default_event_types": {"type": "boolean"},
"additional_event_types": {
"type": "array",
"items": {"type": "string"},
},
},
},
{"type": "null"},
]
}
# the legacy room_invite_state_types setting
_ROOM_INVITE_STATE_TYPES_SCHEMA = {"type": "array", "items": {"type": "string"}}
_MAIN_SCHEMA = {
"type": "object",
"properties": {
"room_prejoin_state": _ROOM_PREJOIN_STATE_CONFIG_SCHEMA,
"room_invite_state_types": _ROOM_INVITE_STATE_TYPES_SCHEMA,
},
}