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# Copyright 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.
from typing import Any, Optional
import attr
from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, RoomVersions
from synapse.config import ConfigError
from synapse.config._base import Config
from synapse.types import JsonDict
@attr.s(auto_attribs=True, frozen=True, slots=True)
class MSC3866Config:
"""Configuration for MSC3866 (mandating approval for new users)"""
# Whether the base support for the approval process is enabled. This includes the
# ability for administrators to check and update the approval of users, even if no
# approval is currently required.
enabled: bool = False
# Whether to require that new users are approved by an admin before their account
# can be used. Note that this setting is ignored if 'enabled' is false.
require_approval_for_new_accounts: bool = False
class ExperimentalConfig(Config):
"""Config section for enabling experimental features"""
section = "experimental"
def read_config(self, config: JsonDict, **kwargs: Any) -> None:
experimental = config.get("experimental_features") or {}
# MSC3026 (busy presence state)
self.msc3026_enabled: bool = experimental.get("msc3026_enabled", False)
# MSC2716 (importing historical messages)
self.msc2716_enabled: bool = experimental.get("msc2716_enabled", False)
# MSC3244 (room version capabilities)
self.msc3244_enabled: bool = experimental.get("msc3244_enabled", True)
# MSC3266 (room summary api)
self.msc3266_enabled: bool = experimental.get("msc3266_enabled", False)
# MSC2409 (this setting only relates to optionally sending to-device messages).
# Presence, typing and read receipt EDUs are already sent to application services that
# have opted in to receive them. If enabled, this adds to-device messages to that list.
self.msc2409_to_device_messages_enabled: bool = experimental.get(
"msc2409_to_device_messages_enabled", False
)
# The portion of MSC3202 which is related to device masquerading.
self.msc3202_device_masquerading_enabled: bool = experimental.get(
"msc3202_device_masquerading", False
)
# The portion of MSC3202 related to transaction extensions:
# sending device list changes, one-time key counts and fallback key
# usage to application services.
self.msc3202_transaction_extensions: bool = experimental.get(
"msc3202_transaction_extensions", False
)
# MSC3706 (server-side support for partial state in /send_join responses)
self.msc3706_enabled: bool = experimental.get("msc3706_enabled", False)
# experimental support for faster joins over federation
# (MSC2775, MSC3706, MSC3895)
# requires a target server with msc3706_enabled enabled.
self.faster_joins_enabled: bool = experimental.get("faster_joins", False)
# MSC3720 (Account status endpoint)
self.msc3720_enabled: bool = experimental.get("msc3720_enabled", False)
# MSC2654: Unread counts
#
# Note that enabling this will result in an incorrect unread count for
# previously calculated push actions.
self.msc2654_enabled: bool = experimental.get("msc2654_enabled", False)
# MSC2815 (allow room moderators to view redacted event content)
self.msc2815_enabled: bool = experimental.get("msc2815_enabled", False)
# MSC3391: Removing account data.
self.msc3391_enabled = experimental.get("msc3391_enabled", False)
# MSC3773: Thread notifications
self.msc3773_enabled: bool = experimental.get("msc3773_enabled", False)
# MSC3664: Pushrules to match on related events
self.msc3664_enabled: bool = experimental.get("msc3664_enabled", False)
# MSC3848: Introduce errcodes for specific event sending failures
self.msc3848_enabled: bool = experimental.get("msc3848_enabled", False)
# MSC3852: Expose last seen user agent field on /_matrix/client/v3/devices.
self.msc3852_enabled: bool = experimental.get("msc3852_enabled", False)
# MSC3866: M_USER_AWAITING_APPROVAL error code
raw_msc3866_config = experimental.get("msc3866", {})
self.msc3866 = MSC3866Config(**raw_msc3866_config)
# MSC3881: Remotely toggle push notifications for another client
self.msc3881_enabled: bool = experimental.get("msc3881_enabled", False)
# MSC3882: Allow an existing session to sign in a new session
self.msc3882_enabled: bool = experimental.get("msc3882_enabled", False)
self.msc3882_ui_auth: bool = experimental.get("msc3882_ui_auth", True)
self.msc3882_token_timeout = self.parse_duration(
experimental.get("msc3882_token_timeout", "5m")
)
# MSC3874: Filtering /messages with rel_types / not_rel_types.
self.msc3874_enabled: bool = experimental.get("msc3874_enabled", False)
# MSC3886: Simple client rendezvous capability
self.msc3886_endpoint: Optional[str] = experimental.get(
"msc3886_endpoint", None
)
# MSC3890: Remotely silence local notifications
# Note: This option requires "experimental_features.msc3391_enabled" to be
# set to "true", in order to communicate account data deletions to clients.
self.msc3890_enabled: bool = experimental.get("msc3890_enabled", False)
if self.msc3890_enabled and not self.msc3391_enabled:
raise ConfigError(
"Option 'experimental_features.msc3391' must be set to 'true' to "
"enable 'experimental_features.msc3890'. MSC3391 functionality is "
"required to communicate account data deletions to clients."
)
# MSC3912: Relation-based redactions.
self.msc3912_enabled: bool = experimental.get("msc3912_enabled", False)
# MSC1767 and friends: Extensible Events
self.msc1767_enabled: bool = experimental.get("msc1767_enabled", False)
if self.msc1767_enabled:
# Enable room version (and thus applicable push rules from MSC3931/3932)
version_id = RoomVersions.MSC1767v10.identifier
KNOWN_ROOM_VERSIONS[version_id] = RoomVersions.MSC1767v10
# MSC3391: Removing account data.
self.msc3391_enabled = experimental.get("msc3391_enabled", False)
# MSC3925: do not replace events with their edits
self.msc3925_inhibit_edit = experimental.get("msc3925_inhibit_edit", False)
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