141 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			141 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			Python
		
	
	
# Copyright 2015-2021 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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from typing import Iterable
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from synapse.api.constants import EventTypes
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from synapse.config._base import Config, ConfigError
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from synapse.config._util import validate_config
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from synapse.types import JsonDict
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logger = logging.getLogger(__name__)
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class ApiConfig(Config):
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    section = "api"
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    def read_config(self, config: JsonDict, **kwargs):
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        validate_config(_MAIN_SCHEMA, config, ())
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        self.room_prejoin_state = list(self._get_prejoin_state_types(config))
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    def generate_config_section(cls, **kwargs) -> str:
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        formatted_default_state_types = "\n".join(
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            "           # - %s" % (t,) for t in _DEFAULT_PREJOIN_STATE_TYPES
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        )
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        return """\
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        ## API Configuration ##
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        # Controls for the state that is shared with users who receive an invite
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        # to a room
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        #
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        room_prejoin_state:
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           # By default, the following state event types are shared with users who
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           # receive invites to the room:
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           #
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%(formatted_default_state_types)s
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           #
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           # Uncomment the following to disable these defaults (so that only the event
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           # types listed in 'additional_event_types' are shared). Defaults to 'false'.
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           #
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           #disable_default_event_types: true
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           # Additional state event types to share with users when they are invited
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           # to a room.
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           #
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           # By default, this list is empty (so only the default event types are shared).
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           #
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           #additional_event_types:
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           #  - org.example.custom.event.type
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        """ % {
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            "formatted_default_state_types": formatted_default_state_types
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        }
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    def _get_prejoin_state_types(self, config: JsonDict) -> Iterable[str]:
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        """Get the event types to include in the prejoin state
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        Parses the config and returns an iterable of the event types to be included.
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        """
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        room_prejoin_state_config = config.get("room_prejoin_state") or {}
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        # backwards-compatibility support for room_invite_state_types
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        if "room_invite_state_types" in config:
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            # if both "room_invite_state_types" and "room_prejoin_state" are set, then
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            # we don't really know what to do.
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            if room_prejoin_state_config:
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                raise ConfigError(
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                    "Can't specify both 'room_invite_state_types' and 'room_prejoin_state' "
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                    "in config"
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                )
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            logger.warning(_ROOM_INVITE_STATE_TYPES_WARNING)
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            yield from config["room_invite_state_types"]
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            return
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        if not room_prejoin_state_config.get("disable_default_event_types"):
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            yield from _DEFAULT_PREJOIN_STATE_TYPES
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        yield from room_prejoin_state_config.get("additional_event_types", [])
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_ROOM_INVITE_STATE_TYPES_WARNING = """\
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WARNING: The 'room_invite_state_types' configuration setting is now deprecated,
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and replaced with 'room_prejoin_state'. New features may not work correctly
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unless 'room_invite_state_types' is removed. See the sample configuration file for
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details of 'room_prejoin_state'.
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--------------------------------------------------------------------------------
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"""
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_DEFAULT_PREJOIN_STATE_TYPES = [
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    EventTypes.JoinRules,
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    EventTypes.CanonicalAlias,
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    EventTypes.RoomAvatar,
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    EventTypes.RoomEncryption,
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    EventTypes.Name,
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    # Per MSC1772.
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    EventTypes.Create,
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]
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# room_prejoin_state can either be None (as it is in the default config), or
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# an object containing other config settings
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_ROOM_PREJOIN_STATE_CONFIG_SCHEMA = {
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    "oneOf": [
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        {
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            "type": "object",
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            "properties": {
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                "disable_default_event_types": {"type": "boolean"},
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                "additional_event_types": {
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                    "type": "array",
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                    "items": {"type": "string"},
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                },
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            },
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        },
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        {"type": "null"},
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    ]
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}
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# the legacy room_invite_state_types setting
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_ROOM_INVITE_STATE_TYPES_SCHEMA = {"type": "array", "items": {"type": "string"}}
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_MAIN_SCHEMA = {
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    "type": "object",
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    "properties": {
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        "room_prejoin_state": _ROOM_PREJOIN_STATE_CONFIG_SCHEMA,
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        "room_invite_state_types": _ROOM_INVITE_STATE_TYPES_SCHEMA,
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    },
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}
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