478 lines
20 KiB
Python
478 lines
20 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015, 2016 OpenMarket Ltd
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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 os
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from distutils.util import strtobool
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import pkg_resources
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from synapse.api.constants import RoomCreationPreset
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from synapse.config._base import Config, ConfigError
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from synapse.types import RoomAlias, UserID
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from synapse.util.stringutils import random_string_with_symbols
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class AccountValidityConfig(Config):
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section = "accountvalidity"
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def __init__(self, config, synapse_config):
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if config is None:
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return
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super(AccountValidityConfig, self).__init__()
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self.enabled = config.get("enabled", False)
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self.renew_by_email_enabled = "renew_at" in config
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if self.enabled:
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if "period" in config:
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self.period = self.parse_duration(config["period"])
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else:
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raise ConfigError("'period' is required when using account validity")
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if "renew_at" in config:
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self.renew_at = self.parse_duration(config["renew_at"])
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if "renew_email_subject" in config:
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self.renew_email_subject = config["renew_email_subject"]
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else:
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self.renew_email_subject = "Renew your %(app)s account"
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self.startup_job_max_delta = self.period * 10.0 / 100.0
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if self.renew_by_email_enabled:
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if "public_baseurl" not in synapse_config:
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raise ConfigError("Can't send renewal emails without 'public_baseurl'")
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template_dir = config.get("template_dir")
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if not template_dir:
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template_dir = pkg_resources.resource_filename("synapse", "res/templates")
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if "account_renewed_html_path" in config:
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file_path = os.path.join(template_dir, config["account_renewed_html_path"])
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self.account_renewed_html_content = self.read_file(
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file_path, "account_validity.account_renewed_html_path"
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)
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else:
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self.account_renewed_html_content = (
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"<html><body>Your account has been successfully renewed.</body><html>"
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)
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if "invalid_token_html_path" in config:
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file_path = os.path.join(template_dir, config["invalid_token_html_path"])
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self.invalid_token_html_content = self.read_file(
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file_path, "account_validity.invalid_token_html_path"
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)
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else:
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self.invalid_token_html_content = (
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"<html><body>Invalid renewal token.</body><html>"
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)
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class RegistrationConfig(Config):
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section = "registration"
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def read_config(self, config, **kwargs):
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self.enable_registration = bool(
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strtobool(str(config.get("enable_registration", False)))
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)
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if "disable_registration" in config:
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self.enable_registration = not bool(
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strtobool(str(config["disable_registration"]))
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)
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self.account_validity = AccountValidityConfig(
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config.get("account_validity") or {}, config
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)
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self.registrations_require_3pid = config.get("registrations_require_3pid", [])
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self.allowed_local_3pids = config.get("allowed_local_3pids", [])
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self.enable_3pid_lookup = config.get("enable_3pid_lookup", True)
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self.registration_shared_secret = config.get("registration_shared_secret")
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self.bcrypt_rounds = config.get("bcrypt_rounds", 12)
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self.trusted_third_party_id_servers = config.get(
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"trusted_third_party_id_servers", ["matrix.org", "vector.im"]
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)
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account_threepid_delegates = config.get("account_threepid_delegates") or {}
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self.account_threepid_delegate_email = account_threepid_delegates.get("email")
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self.account_threepid_delegate_msisdn = account_threepid_delegates.get("msisdn")
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if self.account_threepid_delegate_msisdn and not self.public_baseurl:
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raise ConfigError(
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"The configuration option `public_baseurl` is required if "
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"`account_threepid_delegate.msisdn` is set, such that "
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"clients know where to submit validation tokens to. Please "
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"configure `public_baseurl`."
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)
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self.default_identity_server = config.get("default_identity_server")
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self.allow_guest_access = config.get("allow_guest_access", False)
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if config.get("invite_3pid_guest", False):
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raise ConfigError("invite_3pid_guest is no longer supported")
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self.auto_join_rooms = config.get("auto_join_rooms", [])
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for room_alias in self.auto_join_rooms:
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if not RoomAlias.is_valid(room_alias):
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raise ConfigError("Invalid auto_join_rooms entry %s" % (room_alias,))
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# 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)
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self.autocreate_auto_join_rooms_federated = config.get(
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"autocreate_auto_join_rooms_federated", True
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)
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self.autocreate_auto_join_room_preset = (
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config.get("autocreate_auto_join_room_preset")
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or RoomCreationPreset.PUBLIC_CHAT
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)
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self.auto_join_room_requires_invite = self.autocreate_auto_join_room_preset in {
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RoomCreationPreset.PRIVATE_CHAT,
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RoomCreationPreset.TRUSTED_PRIVATE_CHAT,
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}
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# Pull the creater/inviter from the configuration, this gets used to
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# send invites for invite-only rooms.
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mxid_localpart = config.get("auto_join_mxid_localpart")
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self.auto_join_user_id = None
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if mxid_localpart:
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# Convert the localpart to a full mxid.
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self.auto_join_user_id = UserID(
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mxid_localpart, self.server_name
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).to_string()
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if self.autocreate_auto_join_rooms:
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# Ensure the preset is a known value.
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if self.autocreate_auto_join_room_preset not in {
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RoomCreationPreset.PUBLIC_CHAT,
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RoomCreationPreset.PRIVATE_CHAT,
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RoomCreationPreset.TRUSTED_PRIVATE_CHAT,
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}:
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raise ConfigError("Invalid value for autocreate_auto_join_room_preset")
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# If the preset requires invitations to be sent, ensure there's a
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# configured user to send them from.
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if self.auto_join_room_requires_invite:
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if not mxid_localpart:
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raise ConfigError(
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"The configuration option `auto_join_mxid_localpart` is required if "
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"`autocreate_auto_join_room_preset` is set to private_chat or trusted_private_chat, such that "
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"Synapse knows who to send invitations from. Please "
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"configure `auto_join_mxid_localpart`."
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)
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self.auto_join_rooms_for_guests = config.get("auto_join_rooms_for_guests", True)
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self.enable_set_displayname = config.get("enable_set_displayname", True)
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self.enable_set_avatar_url = config.get("enable_set_avatar_url", True)
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self.enable_3pid_changes = config.get("enable_3pid_changes", True)
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self.disable_msisdn_registration = config.get(
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"disable_msisdn_registration", False
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)
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session_lifetime = config.get("session_lifetime")
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if session_lifetime is not None:
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session_lifetime = self.parse_duration(session_lifetime)
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self.session_lifetime = session_lifetime
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def generate_config_section(self, generate_secrets=False, **kwargs):
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if generate_secrets:
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registration_shared_secret = 'registration_shared_secret: "%s"' % (
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random_string_with_symbols(50),
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)
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else:
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registration_shared_secret = "#registration_shared_secret: <PRIVATE STRING>"
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return (
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"""\
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## Registration ##
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#
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# Registration can be rate-limited using the parameters in the "Ratelimiting"
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# section of this file.
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# Enable registration for new users.
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#
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#enable_registration: false
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# Optional account validity configuration. This allows for accounts to be denied
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# any request after a given period.
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#
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# Once this feature is enabled, Synapse will look for registered users without an
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# expiration date at startup and will add one to every account it found using the
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# current settings at that time.
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# This means that, if a validity period is set, and Synapse is restarted (it will
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# then derive an expiration date from the current validity period), and some time
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# after that the validity period changes and Synapse is restarted, the users'
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# expiration dates won't be updated unless their account is manually renewed. This
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# date will be randomly selected within a range [now + period - d ; now + period],
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# where d is equal to 10%% of the validity period.
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#
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account_validity:
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# The account validity feature is disabled by default. Uncomment the
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# following line to enable it.
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#
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#enabled: true
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# The period after which an account is valid after its registration. When
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# renewing the account, its validity period will be extended by this amount
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# of time. This parameter is required when using the account validity
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# feature.
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#
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#period: 6w
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# The amount of time before an account's expiry date at which Synapse will
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# send an email to the account's email address with a renewal link. By
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# default, no such emails are sent.
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#
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# If you enable this setting, you will also need to fill out the 'email' and
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# 'public_baseurl' configuration sections.
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#
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#renew_at: 1w
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# The subject of the email sent out with the renewal link. '%%(app)s' can be
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# used as a placeholder for the 'app_name' parameter from the 'email'
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# section.
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#
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# Note that the placeholder must be written '%%(app)s', including the
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# trailing 's'.
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#
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# If this is not set, a default value is used.
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#
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#renew_email_subject: "Renew your %%(app)s account"
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# Directory in which Synapse will try to find templates for the HTML files to
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# serve to the user when trying to renew an account. If not set, default
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# templates from within the Synapse package will be used.
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#
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#template_dir: "res/templates"
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# File within 'template_dir' giving the HTML to be displayed to the user after
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# they successfully renewed their account. If not set, default text is used.
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#
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#account_renewed_html_path: "account_renewed.html"
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# File within 'template_dir' giving the HTML to be displayed when the user
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# tries to renew an account with an invalid renewal token. If not set,
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# default text is used.
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#
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#invalid_token_html_path: "invalid_token.html"
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# Time that a user's session remains valid for, after they log in.
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#
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# Note that this is not currently compatible with guest logins.
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#
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# Note also that this is calculated at login time: changes are not applied
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# retrospectively to users who have already logged in.
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#
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# By default, this is infinite.
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#
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#session_lifetime: 24h
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# The user must provide all of the below types of 3PID when registering.
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#
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#registrations_require_3pid:
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# - email
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# - msisdn
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# Explicitly disable asking for MSISDNs from the registration
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# flow (overrides registrations_require_3pid if MSISDNs are set as required)
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#
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#disable_msisdn_registration: true
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# Mandate that users are only allowed to associate certain formats of
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# 3PIDs with accounts on this server.
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#
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#allowed_local_3pids:
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# - medium: email
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# pattern: '.*@matrix\\.org'
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# - medium: email
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# pattern: '.*@vector\\.im'
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# - medium: msisdn
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# pattern: '\\+44'
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# Enable 3PIDs lookup requests to identity servers from this server.
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#
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#enable_3pid_lookup: true
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# If set, allows registration of standard or admin accounts by anyone who
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# has the shared secret, even if registration is otherwise disabled.
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#
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%(registration_shared_secret)s
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# Set the number of bcrypt rounds used to generate password hash.
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# Larger numbers increase the work factor needed to generate the hash.
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# The default number is 12 (which equates to 2^12 rounds).
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# N.B. that increasing this will exponentially increase the time required
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# to register or login - e.g. 24 => 2^24 rounds which will take >20 mins.
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#
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#bcrypt_rounds: 12
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# Allows users to register as guests without a password/email/etc, and
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# participate in rooms hosted on this server which have been made
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# accessible to anonymous users.
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#
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#allow_guest_access: false
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# The identity server which we suggest that clients should use when users log
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# in on this server.
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#
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# (By default, no suggestion is made, so it is left up to the client.
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# This setting is ignored unless public_baseurl is also set.)
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#
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#default_identity_server: https://matrix.org
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# Handle threepid (email/phone etc) registration and password resets through a set of
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# *trusted* identity servers. Note that this allows the configured identity server to
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# reset passwords for accounts!
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#
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# Be aware that if `email` is not set, and SMTP options have not been
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# configured in the email config block, registration and user password resets via
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# email will be globally disabled.
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#
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# Additionally, if `msisdn` is not set, registration and password resets via msisdn
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# will be disabled regardless. This is due to Synapse currently not supporting any
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# method of sending SMS messages on its own.
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#
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# To enable using an identity server for operations regarding a particular third-party
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# identifier type, set the value to the URL of that identity server as shown in the
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# examples below.
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#
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# Servers handling the these requests must answer the `/requestToken` endpoints defined
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# by the Matrix Identity Service API specification:
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# https://matrix.org/docs/spec/identity_service/latest
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#
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# If a delegate is specified, the config option public_baseurl must also be filled out.
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#
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account_threepid_delegates:
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#email: https://example.com # Delegate email sending to example.com
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#msisdn: http://localhost:8090 # Delegate SMS sending to this local process
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# Whether users are allowed to change their displayname after it has
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# been initially set. Useful when provisioning users based on the
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# contents of a third-party directory.
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#
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# Does not apply to server administrators. Defaults to 'true'
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#
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#enable_set_displayname: false
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# Whether users are allowed to change their avatar after it has been
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# initially set. Useful when provisioning users based on the contents
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# of a third-party directory.
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#
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# Does not apply to server administrators. Defaults to 'true'
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#
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#enable_set_avatar_url: false
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# Whether users can change the 3PIDs associated with their accounts
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# (email address and msisdn).
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#
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# Defaults to 'true'
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#
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#enable_3pid_changes: false
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# Users who register on this homeserver will automatically be joined
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# to these rooms.
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#
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# By default, any room aliases included in this list will be created
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# as a publicly joinable room when the first user registers for the
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# homeserver. This behaviour can be customised with the settings below.
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#
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#auto_join_rooms:
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# - "#example:example.com"
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# Where auto_join_rooms are specified, setting this flag ensures that the
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# the rooms exist by creating them when the first user on the
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# homeserver registers.
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#
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# By default the auto-created rooms are publicly joinable from any federated
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# server. Use the autocreate_auto_join_rooms_federated and
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# autocreate_auto_join_room_preset settings below to customise this behaviour.
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#
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# Setting to false means that if the rooms are not manually created,
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# users cannot be auto-joined since they do not exist.
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#
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# Defaults to true. Uncomment the following line to disable automatically
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# creating auto-join rooms.
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#
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#autocreate_auto_join_rooms: false
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# Whether the auto_join_rooms that are auto-created are available via
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# federation. Only has an effect if autocreate_auto_join_rooms is true.
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#
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# Note that whether a room is federated cannot be modified after
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# creation.
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#
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# Defaults to true: the room will be joinable from other servers.
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# Uncomment the following to prevent users from other homeservers from
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# joining these rooms.
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#
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#autocreate_auto_join_rooms_federated: false
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# The room preset to use when auto-creating one of auto_join_rooms. Only has an
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# effect if autocreate_auto_join_rooms is true.
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#
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# This can be one of "public_chat", "private_chat", or "trusted_private_chat".
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# If a value of "private_chat" or "trusted_private_chat" is used then
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# auto_join_mxid_localpart must also be configured.
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#
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# Defaults to "public_chat", meaning that the room is joinable by anyone, including
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# federated servers if autocreate_auto_join_rooms_federated is true (the default).
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# Uncomment the following to require an invitation to join these rooms.
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#
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#autocreate_auto_join_room_preset: private_chat
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# The local part of the user id which is used to create auto_join_rooms if
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# autocreate_auto_join_rooms is true. If this is not provided then the
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# initial user account that registers will be used to create the rooms.
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#
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# The user id is also used to invite new users to any auto-join rooms which
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# are set to invite-only.
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#
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# It *must* be configured if autocreate_auto_join_room_preset is set to
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# "private_chat" or "trusted_private_chat".
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#
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# Note that this must be specified in order for new users to be correctly
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# invited to any auto-join rooms which have been set to invite-only (either
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# at the time of creation or subsequently).
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#
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# Note that, if the room already exists, this user must be joined and
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# have the appropriate permissions to invite new members.
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#
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#auto_join_mxid_localpart: system
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# When auto_join_rooms is specified, setting this flag to false prevents
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# guest accounts from being automatically joined to the rooms.
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#
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# Defaults to true.
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#
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#auto_join_rooms_for_guests: false
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"""
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% locals()
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)
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@staticmethod
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def add_arguments(parser):
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reg_group = parser.add_argument_group("registration")
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reg_group.add_argument(
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"--enable-registration",
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action="store_true",
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default=None,
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help="Enable registration for new users.",
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)
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def read_arguments(self, args):
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if args.enable_registration is not None:
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self.enable_registration = bool(strtobool(str(args.enable_registration)))
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