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# 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 Any, Iterable, Optional, Tuple
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
from synapse.types.state import StateFilter
logger = logging.getLogger(__name__)
class ApiConfig(Config):
section = "api"
room_prejoin_state: StateFilter
track_puppetted_users_ips: bool
def read_config(self, config: JsonDict, **kwargs: Any) -> None:
validate_config(_MAIN_SCHEMA, config, ())
self.room_prejoin_state = StateFilter.from_types(
self._get_prejoin_state_entries(config)
)
self.track_puppeted_user_ips = config.get("track_puppeted_user_ips", False)
def _get_prejoin_state_entries(
self, config: JsonDict
) -> Iterable[Tuple[str, Optional[str]]]:
"""Get the event types and state keys to include in the prejoin state."""
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)
for event_type in config["room_invite_state_types"]:
yield event_type, None
return
if not room_prejoin_state_config.get("disable_default_event_types"):
yield from _DEFAULT_PREJOIN_STATE_TYPES_AND_STATE_KEYS
for entry in room_prejoin_state_config.get("additional_event_types", []):
if isinstance(entry, str):
yield entry, None
else:
yield entry
_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 config documentation at
https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#room_prejoin_state
for details of 'room_prejoin_state'.
--------------------------------------------------------------------------------
"""
_DEFAULT_PREJOIN_STATE_TYPES_AND_STATE_KEYS = [
(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": {
"oneOf": [
{"type": "string"},
{
"type": "array",
"items": {"type": "string"},
"minItems": 2,
"maxItems": 2,
},
],
},
},
},
},
{"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,
"track_puppeted_user_ips": {
"type": "boolean",
},
},
}
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