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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 authlib.jose.rfc7517 import JsonWebKey
from synapse.types import JsonDict
from ._base import Config, ConfigError
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)
)
oauth_delegation = config.get("oauth_delegation", {})
self.oauth_delegation_enabled = oauth_delegation.get("enabled", False)
self.oauth_delegation_issuer = oauth_delegation.get("issuer", "")
self.oauth_delegation_issuer_metadata = oauth_delegation.get("issuer_metadata")
self.oauth_delegation_account = oauth_delegation.get("account", "")
self.oauth_delegation_client_id = oauth_delegation.get("client_id", "")
self.oauth_delegation_client_secret = oauth_delegation.get("client_secret", "")
self.oauth_delegation_client_auth_method = oauth_delegation.get(
"client_auth_method", "client_secret_post"
)
self.password_enabled = password_config.get(
"enabled", not self.oauth_delegation_enabled
)
if self.oauth_delegation_client_auth_method == "private_key_jwt":
self.oauth_delegation_client_secret = JsonWebKey.import_key(
self.oauth_delegation_client_secret
)
# If we are delegating via OAuth then password cannot be supported as well
if self.oauth_delegation_enabled and self.password_enabled:
raise ConfigError(
"Password auth cannot be enabled when OAuth delegation is enabled"
)
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