# -*- coding: utf-8 -*- # Copyright 2015, 2016 OpenMarket Ltd # # 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 os from distutils.util import strtobool import pkg_resources from synapse.api.constants import RoomCreationPreset from synapse.config._base import Config, ConfigError from synapse.types import RoomAlias, UserID from synapse.util.stringutils import random_string_with_symbols class AccountValidityConfig(Config): section = "accountvalidity" def __init__(self, config, synapse_config): if config is None: return super().__init__() self.enabled = config.get("enabled", False) self.renew_by_email_enabled = "renew_at" in config if self.enabled: if "period" in config: self.period = self.parse_duration(config["period"]) else: raise ConfigError("'period' is required when using account validity") if "renew_at" in config: self.renew_at = self.parse_duration(config["renew_at"]) if "renew_email_subject" in config: self.renew_email_subject = config["renew_email_subject"] else: self.renew_email_subject = "Renew your %(app)s account" self.startup_job_max_delta = self.period * 10.0 / 100.0 if self.renew_by_email_enabled: if "public_baseurl" not in synapse_config: raise ConfigError("Can't send renewal emails without 'public_baseurl'") template_dir = config.get("template_dir") if not template_dir: template_dir = pkg_resources.resource_filename("synapse", "res/templates") if "account_renewed_html_path" in config: file_path = os.path.join(template_dir, config["account_renewed_html_path"]) self.account_renewed_html_content = self.read_file( file_path, "account_validity.account_renewed_html_path" ) else: self.account_renewed_html_content = ( "Your account has been successfully renewed." ) if "invalid_token_html_path" in config: file_path = os.path.join(template_dir, config["invalid_token_html_path"]) self.invalid_token_html_content = self.read_file( file_path, "account_validity.invalid_token_html_path" ) else: self.invalid_token_html_content = ( "Invalid renewal token." ) class RegistrationConfig(Config): section = "registration" def read_config(self, config, **kwargs): self.enable_registration = bool( strtobool(str(config.get("enable_registration", False))) ) if "disable_registration" in config: self.enable_registration = not bool( strtobool(str(config["disable_registration"])) ) self.account_validity = AccountValidityConfig( config.get("account_validity") or {}, config ) self.registrations_require_3pid = config.get("registrations_require_3pid", []) self.allowed_local_3pids = config.get("allowed_local_3pids", []) self.check_is_for_allowed_local_3pids = config.get( "check_is_for_allowed_local_3pids", None ) self.enable_3pid_lookup = config.get("enable_3pid_lookup", True) self.registration_shared_secret = config.get("registration_shared_secret") self.bcrypt_rounds = config.get("bcrypt_rounds", 12) self.trusted_third_party_id_servers = config.get( "trusted_third_party_id_servers", ["matrix.org", "vector.im"] ) 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") if self.account_threepid_delegate_msisdn and not self.public_baseurl: raise ConfigError( "The configuration option `public_baseurl` is required if " "`account_threepid_delegate.msisdn` is set, such that " "clients know where to submit validation tokens to. Please " "configure `public_baseurl`." ) 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): raise ConfigError("Invalid auto_join_rooms entry %s" % (room_alias,)) # Options for creating auto-join rooms if they do not exist yet. 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, } # Pull the creater/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.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) self.disable_msisdn_registration = config.get( "disable_msisdn_registration", False ) 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 success template used during fallback auth. self.fallback_success_template = self.read_templates( ["auth_success.html"], autoescape=True )[0] def generate_config_section(self, generate_secrets=False, **kwargs): if generate_secrets: registration_shared_secret = 'registration_shared_secret: "%s"' % ( random_string_with_symbols(50), ) else: registration_shared_secret = "#registration_shared_secret: " return ( """\ ## Registration ## # # Registration can be rate-limited using the parameters in the "Ratelimiting" # section of this file. # Enable registration for new users. # #enable_registration: false # Optional account validity configuration. This allows for accounts to be denied # any request after a given period. # # Once this feature is enabled, Synapse will look for registered users without an # expiration date at startup and will add one to every account it found using the # current settings at that time. # This means that, if a validity period is set, and Synapse is restarted (it will # then derive an expiration date from the current validity period), and some time # after that the validity period changes and Synapse is restarted, the users' # expiration dates won't be updated unless their account is manually renewed. This # date will be randomly selected within a range [now + period - d ; now + period], # where d is equal to 10%% of the validity period. # account_validity: # The account validity feature is disabled by default. Uncomment the # following line to enable it. # #enabled: true # The period after which an account is valid after its registration. When # renewing the account, its validity period will be extended by this amount # of time. This parameter is required when using the account validity # feature. # #period: 6w # The amount of time before an account's expiry date at which Synapse will # send an email to the account's email address with a renewal link. By # default, no such emails are sent. # # If you enable this setting, you will also need to fill out the 'email' and # 'public_baseurl' configuration sections. # #renew_at: 1w # The subject of the email sent out with the renewal link. '%%(app)s' can be # used as a placeholder for the 'app_name' parameter from the 'email' # section. # # Note that the placeholder must be written '%%(app)s', including the # trailing 's'. # # If this is not set, a default value is used. # #renew_email_subject: "Renew your %%(app)s account" # Directory in which Synapse will try to find templates for the HTML files to # serve to the user when trying to renew an account. If not set, default # templates from within the Synapse package will be used. # #template_dir: "res/templates" # File within 'template_dir' giving the HTML to be displayed to the user after # they successfully renewed their account. If not set, default text is used. # #account_renewed_html_path: "account_renewed.html" # File within 'template_dir' giving the HTML to be displayed when the user # tries to renew an account with an invalid renewal token. If not set, # default text is used. # #invalid_token_html_path: "invalid_token.html" # Time that a user's session remains valid for, after they log in. # # Note that this is not currently compatible with guest logins. # # Note also that this is calculated at login time: changes are not applied # retrospectively to users who have already logged in. # # By default, this is infinite. # #session_lifetime: 24h # The user must provide all of the below types of 3PID when registering. # #registrations_require_3pid: # - email # - msisdn # Explicitly disable asking for MSISDNs from the registration # flow (overrides registrations_require_3pid if MSISDNs are set as required) # #disable_msisdn_registration: true # Mandate that users are only allowed to associate certain formats of # 3PIDs with accounts on this server. # # Use an Identity Server to establish which 3PIDs are allowed to register? # Overrides allowed_local_3pids below. # #check_is_for_allowed_local_3pids: matrix.org # #allowed_local_3pids: # - medium: email # pattern: '.*@matrix\\.org' # - medium: email # pattern: '.*@vector\\.im' # - medium: msisdn # pattern: '\\+44' # Enable 3PIDs lookup requests to identity servers from this server. # #enable_3pid_lookup: true # If set, allows registration of standard or admin accounts by anyone who # has the shared secret, even if registration is otherwise disabled. # %(registration_shared_secret)s # Set the number of bcrypt rounds used to generate password hash. # Larger numbers increase the work factor needed to generate the hash. # The default number is 12 (which equates to 2^12 rounds). # N.B. that increasing this will exponentially increase the time required # to register or login - e.g. 24 => 2^24 rounds which will take >20 mins. # #bcrypt_rounds: 12 # Allows users to register as guests without a password/email/etc, and # participate in rooms hosted on this server which have been made # accessible to anonymous users. # #allow_guest_access: false # The identity server which we suggest that clients should use when users log # in on this server. # # (By default, no suggestion is made, so it is left up to the client. # This setting is ignored unless public_baseurl is also set.) # #default_identity_server: https://matrix.org # Handle threepid (email/phone etc) registration and password resets through a set of # *trusted* identity servers. Note that this allows the configured identity server to # reset passwords for accounts! # # Be aware that if `email` is not set, and SMTP options have not been # configured in the email config block, registration and user password resets via # email will be globally disabled. # # Additionally, if `msisdn` is not set, registration and password resets via msisdn # will be disabled regardless. This is due to Synapse currently not supporting any # method of sending SMS messages on its own. # # To enable using an identity server for operations regarding a particular third-party # identifier type, set the value to the URL of that identity server as shown in the # examples below. # # Servers handling the these requests must answer the `/requestToken` endpoints defined # by the Matrix Identity Service API specification: # https://matrix.org/docs/spec/identity_service/latest # # If a delegate is specified, the config option public_baseurl must also be filled out. # account_threepid_delegates: #email: https://example.com # Delegate email sending to example.com #msisdn: http://localhost:8090 # Delegate SMS sending to this local process # Whether users are allowed to change their displayname after it has # been initially set. Useful when provisioning users based on the # contents of a third-party directory. # # Does not apply to server administrators. Defaults to 'true' # #enable_set_displayname: false # Whether users are allowed to change their avatar after it has been # initially set. Useful when provisioning users based on the contents # of a third-party directory. # # Does not apply to server administrators. Defaults to 'true' # #enable_set_avatar_url: false # Whether users can change the 3PIDs associated with their accounts # (email address and msisdn). # # Defaults to 'true' # #enable_3pid_changes: false # Users who register on this homeserver will automatically be joined # to these rooms. # # By default, any room aliases included in this list will be created # as a publicly joinable room when the first user registers for the # homeserver. This behaviour can be customised with the settings below. # #auto_join_rooms: # - "#example:example.com" # Where auto_join_rooms are specified, setting this flag ensures that the # the rooms exist by creating them when the first user on the # homeserver registers. # # By default the auto-created rooms are publicly joinable from any federated # server. Use the autocreate_auto_join_rooms_federated and # autocreate_auto_join_room_preset settings below to customise this behaviour. # # Setting to false means that if the rooms are not manually created, # users cannot be auto-joined since they do not exist. # # Defaults to true. Uncomment the following line to disable automatically # creating auto-join rooms. # #autocreate_auto_join_rooms: false # Whether the auto_join_rooms that are auto-created are available via # federation. Only has an effect if autocreate_auto_join_rooms is true. # # Note that whether a room is federated cannot be modified after # creation. # # Defaults to true: the room will be joinable from other servers. # Uncomment the following to prevent users from other homeservers from # joining these rooms. # #autocreate_auto_join_rooms_federated: false # The room preset to use when auto-creating one of auto_join_rooms. Only has an # effect if autocreate_auto_join_rooms is true. # # This can be one of "public_chat", "private_chat", or "trusted_private_chat". # If a value of "private_chat" or "trusted_private_chat" is used then # auto_join_mxid_localpart must also be configured. # # Defaults to "public_chat", meaning that the room is joinable by anyone, including # federated servers if autocreate_auto_join_rooms_federated is true (the default). # Uncomment the following to require an invitation to join these rooms. # #autocreate_auto_join_room_preset: private_chat # The local part of the user id which is used to create auto_join_rooms if # autocreate_auto_join_rooms is true. If this is not provided then the # initial user account that registers will be used to create the rooms. # # The user id is also used to invite new users to any auto-join rooms which # are set to invite-only. # # It *must* be configured if autocreate_auto_join_room_preset is set to # "private_chat" or "trusted_private_chat". # # Note that this must be specified in order for new users to be correctly # invited to any auto-join rooms which have been set to invite-only (either # at the time of creation or subsequently). # # Note that, if the room already exists, this user must be joined and # have the appropriate permissions to invite new members. # #auto_join_mxid_localpart: system # When auto_join_rooms is specified, setting this flag to false prevents # guest accounts from being automatically joined to the rooms. # # Defaults to true. # #auto_join_rooms_for_guests: false """ % locals() ) @staticmethod def add_arguments(parser): reg_group = parser.add_argument_group("registration") reg_group.add_argument( "--enable-registration", action="store_true", default=None, help="Enable registration for new users.", ) def read_arguments(self, args): if args.enable_registration is not None: self.enable_registration = bool(strtobool(str(args.enable_registration)))