MatrixSynapse/synapse/config/registration.py

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# Copyright 2015, 2016 OpenMarket Ltd
# 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.
import argparse
from typing import Any, Optional
from synapse.api.constants import RoomCreationPreset
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from synapse.config._base import Config, ConfigError
from synapse.types import JsonDict, RoomAlias, UserID
from synapse.util.stringutils import random_string_with_symbols, strtobool
class RegistrationConfig(Config):
section = "registration"
def read_config(self, config: JsonDict, **kwargs: Any) -> None:
self.enable_registration = strtobool(
str(config.get("enable_registration", False))
)
if "disable_registration" in config:
self.enable_registration = not strtobool(
str(config["disable_registration"])
)
self.enable_registration_without_verification = strtobool(
str(config.get("enable_registration_without_verification", False))
)
self.registrations_require_3pid = config.get("registrations_require_3pid", [])
self.allowed_local_3pids = config.get("allowed_local_3pids", [])
self.enable_3pid_lookup = config.get("enable_3pid_lookup", True)
self.registration_requires_token = config.get(
"registration_requires_token", False
)
self.enable_registration_token_3pid_bypass = config.get(
"enable_registration_token_3pid_bypass", False
)
self.registration_shared_secret = config.get("registration_shared_secret")
self.bcrypt_rounds = config.get("bcrypt_rounds", 12)
account_threepid_delegates = config.get("account_threepid_delegates") or {}
self.account_threepid_delegate_email = account_threepid_delegates.get("email")
self.account_threepid_delegate_msisdn = account_threepid_delegates.get("msisdn")
self.default_identity_server = config.get("default_identity_server")
self.allow_guest_access = config.get("allow_guest_access", False)
if config.get("invite_3pid_guest", False):
raise ConfigError("invite_3pid_guest is no longer supported")
self.auto_join_rooms = config.get("auto_join_rooms", [])
for room_alias in self.auto_join_rooms:
if not RoomAlias.is_valid(room_alias):
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raise ConfigError("Invalid auto_join_rooms entry %s" % (room_alias,))
# Options for creating auto-join rooms if they do not exist yet.
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self.autocreate_auto_join_rooms = config.get("autocreate_auto_join_rooms", True)
self.autocreate_auto_join_rooms_federated = config.get(
"autocreate_auto_join_rooms_federated", True
)
self.autocreate_auto_join_room_preset = (
config.get("autocreate_auto_join_room_preset")
or RoomCreationPreset.PUBLIC_CHAT
)
self.auto_join_room_requires_invite = self.autocreate_auto_join_room_preset in {
RoomCreationPreset.PRIVATE_CHAT,
RoomCreationPreset.TRUSTED_PRIVATE_CHAT,
}
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# Pull the creator/inviter from the configuration, this gets used to
# send invites for invite-only rooms.
mxid_localpart = config.get("auto_join_mxid_localpart")
self.auto_join_user_id = None
if mxid_localpart:
# Convert the localpart to a full mxid.
self.auto_join_user_id = UserID(
mxid_localpart, self.root.server.server_name
).to_string()
if self.autocreate_auto_join_rooms:
# Ensure the preset is a known value.
if self.autocreate_auto_join_room_preset not in {
RoomCreationPreset.PUBLIC_CHAT,
RoomCreationPreset.PRIVATE_CHAT,
RoomCreationPreset.TRUSTED_PRIVATE_CHAT,
}:
raise ConfigError("Invalid value for autocreate_auto_join_room_preset")
# If the preset requires invitations to be sent, ensure there's a
# configured user to send them from.
if self.auto_join_room_requires_invite:
if not mxid_localpart:
raise ConfigError(
"The configuration option `auto_join_mxid_localpart` is required if "
"`autocreate_auto_join_room_preset` is set to private_chat or trusted_private_chat, such that "
"Synapse knows who to send invitations from. Please "
"configure `auto_join_mxid_localpart`."
)
self.auto_join_rooms_for_guests = config.get("auto_join_rooms_for_guests", True)
self.enable_set_displayname = config.get("enable_set_displayname", True)
self.enable_set_avatar_url = config.get("enable_set_avatar_url", True)
self.enable_3pid_changes = config.get("enable_3pid_changes", True)
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self.disable_msisdn_registration = config.get(
"disable_msisdn_registration", False
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)
session_lifetime = config.get("session_lifetime")
if session_lifetime is not None:
session_lifetime = self.parse_duration(session_lifetime)
self.session_lifetime = session_lifetime
# The `refreshable_access_token_lifetime` applies for tokens that can be renewed
# using a refresh token, as per MSC2918.
# If it is `None`, the refresh token mechanism is disabled.
refreshable_access_token_lifetime = config.get(
"refreshable_access_token_lifetime",
"5m",
)
if refreshable_access_token_lifetime is not None:
refreshable_access_token_lifetime = self.parse_duration(
refreshable_access_token_lifetime
)
self.refreshable_access_token_lifetime: Optional[
int
] = refreshable_access_token_lifetime
if (
self.session_lifetime is not None
and "refreshable_access_token_lifetime" in config
):
if self.session_lifetime < self.refreshable_access_token_lifetime:
raise ConfigError(
"Both `session_lifetime` and `refreshable_access_token_lifetime` "
"configuration options have been set, but `refreshable_access_token_lifetime` "
" exceeds `session_lifetime`!"
)
# The `nonrefreshable_access_token_lifetime` applies for tokens that can NOT be
# refreshed using a refresh token.
# If it is None, then these tokens last for the entire length of the session,
# which is infinite by default.
# The intention behind this configuration option is to help with requiring
# all clients to use refresh tokens, if the homeserver administrator requires.
nonrefreshable_access_token_lifetime = config.get(
"nonrefreshable_access_token_lifetime",
None,
)
if nonrefreshable_access_token_lifetime is not None:
nonrefreshable_access_token_lifetime = self.parse_duration(
nonrefreshable_access_token_lifetime
)
self.nonrefreshable_access_token_lifetime = nonrefreshable_access_token_lifetime
if (
self.session_lifetime is not None
and self.nonrefreshable_access_token_lifetime is not None
):
if self.session_lifetime < self.nonrefreshable_access_token_lifetime:
raise ConfigError(
"Both `session_lifetime` and `nonrefreshable_access_token_lifetime` "
"configuration options have been set, but `nonrefreshable_access_token_lifetime` "
" exceeds `session_lifetime`!"
)
refresh_token_lifetime = config.get("refresh_token_lifetime")
if refresh_token_lifetime is not None:
refresh_token_lifetime = self.parse_duration(refresh_token_lifetime)
self.refresh_token_lifetime: Optional[int] = refresh_token_lifetime
if (
self.session_lifetime is not None
and self.refresh_token_lifetime is not None
):
if self.session_lifetime < self.refresh_token_lifetime:
raise ConfigError(
"Both `session_lifetime` and `refresh_token_lifetime` "
"configuration options have been set, but `refresh_token_lifetime` "
" exceeds `session_lifetime`!"
)
# The fallback template used for authenticating using a registration token
self.registration_token_template = self.read_template("registration_token.html")
# The success template used during fallback auth.
self.fallback_success_template = self.read_template("auth_success.html")
self.inhibit_user_in_use_error = config.get("inhibit_user_in_use_error", False)
def generate_config_section(
self, generate_secrets: bool = False, **kwargs: Any
) -> str:
if generate_secrets:
registration_shared_secret = 'registration_shared_secret: "%s"' % (
random_string_with_symbols(50),
)
return registration_shared_secret
else:
return ""
@staticmethod
def add_arguments(parser: argparse.ArgumentParser) -> None:
reg_group = parser.add_argument_group("registration")
reg_group.add_argument(
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"--enable-registration",
action="store_true",
default=None,
help="Enable registration for new users.",
)
def read_arguments(self, args: argparse.Namespace) -> None:
if args.enable_registration is not None:
self.enable_registration = strtobool(str(args.enable_registration))