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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
from typing import Any, List, Tuple, Type
from synapse.types import JsonDict
from synapse.util.module_loader import load_module
from ._base import Config
LDAP_PROVIDER = "ldap_auth_provider.LdapAuthProvider"
class PasswordAuthProviderConfig(Config):
section = "authproviders"
def read_config(self, config: JsonDict, **kwargs: Any) -> None:
"""Parses the old password auth providers config. The config format looks like this:
password_providers:
# Example config for an LDAP auth provider
- module: "ldap_auth_provider.LdapAuthProvider"
config:
enabled: true
uri: "ldap://ldap.example.com:389"
start_tls: true
base: "ou=users,dc=example,dc=com"
attributes:
uid: "cn"
mail: "email"
name: "givenName"
#bind_dn:
#bind_password:
#filter: "(objectClass=posixAccount)"
We expect admins to use modules for this feature (which is why it doesn't appear
in the sample config file), but we want to keep support for it around for a bit
for backwards compatibility.
"""
self.password_providers: List[Tuple[Type, Any]] = []
providers = []
# We want to be backwards compatible with the old `ldap_config`
# param.
ldap_config = config.get("ldap_config", {})
if ldap_config.get("enabled", False):
providers.append({"module": LDAP_PROVIDER, "config": ldap_config})
providers.extend(config.get("password_providers") or [])
for i, provider in enumerate(providers):
mod_name = provider["module"]
# This is for backwards compat when the ldap auth provider resided
# in this package.
if mod_name == "synapse.util.ldap_auth_provider.LdapAuthProvider":
mod_name = LDAP_PROVIDER
(provider_class, provider_config) = load_module(
{"module": mod_name, "config": provider["config"]},
("password_providers", "<item %i>" % i),
)
self.password_providers.append((provider_class, provider_config))
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