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# Copyright 2015, 2016 OpenMarket Ltd
# Copyright 2020 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
from synapse.types import JsonDict
from ._base import Config
class AuthConfig(Config):
"""Password and login configuration"""
section = "auth"
def read_config(self, config: JsonDict, **kwargs: Any) -> None:
password_config = config.get("password_config", {})
if password_config is None:
password_config = {}
passwords_enabled = password_config.get("enabled", True)
# 'only_for_reauth' allows users who have previously set a password to use it,
# even though passwords would otherwise be disabled.
passwords_for_reauth_only = passwords_enabled == "only_for_reauth"
self.password_enabled_for_login = (
passwords_enabled and not passwords_for_reauth_only
)
self.password_enabled_for_reauth = (
passwords_for_reauth_only or passwords_enabled
)
self.password_localdb_enabled = password_config.get("localdb_enabled", True)
self.password_pepper = password_config.get("pepper", "")
# Password policy
self.password_policy = password_config.get("policy") or {}
self.password_policy_enabled = self.password_policy.get("enabled", False)
# User-interactive authentication
ui_auth = config.get("ui_auth") or {}
self.ui_auth_session_timeout = self.parse_duration(
ui_auth.get("session_timeout", 0)
)
def generate_config_section(self, **kwargs: Any) -> str:
return """\
password_config:
# Uncomment to disable password login.
# Set to `only_for_reauth` to permit reauthentication for users that
# have passwords and are already logged in.
#
#enabled: false
# Uncomment to disable authentication against the local password
# database. This is ignored if `enabled` is false, and is only useful
# if you have other password_providers.
#
#localdb_enabled: false
# Uncomment and change to a secret random string for extra security.
# DO NOT CHANGE THIS AFTER INITIAL SETUP!
#
#pepper: "EVEN_MORE_SECRET"
# Define and enforce a password policy. Each parameter is optional.
# This is an implementation of MSC2000.
#
policy:
# Whether to enforce the password policy.
# Defaults to 'false'.
#
#enabled: true
# Minimum accepted length for a password.
# Defaults to 0.
#
#minimum_length: 15
# Whether a password must contain at least one digit.
# Defaults to 'false'.
#
#require_digit: true
# Whether a password must contain at least one symbol.
# A symbol is any character that's not a number or a letter.
# Defaults to 'false'.
#
#require_symbol: true
# Whether a password must contain at least one lowercase letter.
# Defaults to 'false'.
#
#require_lowercase: true
# Whether a password must contain at least one uppercase letter.
# Defaults to 'false'.
#
#require_uppercase: true
ui_auth:
# The amount of time to allow a user-interactive authentication session
# to be active.
#
# This defaults to 0, meaning the user is queried for their credentials
# before every action, but this can be overridden to allow a single
# validation to be re-used. This weakens the protections afforded by
# the user-interactive authentication process, by allowing for multiple
# (and potentially different) operations to use the same validation session.
#
# This is ignored for potentially "dangerous" operations (including
# deactivating an account, modifying an account password, and
# adding a 3PID).
#
# Uncomment below to allow for credential validation to last for 15
# seconds.
#
#session_timeout: "15s"
"""
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