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# Copyright 2015, 2016 OpenMarket Ltd
# Copyright 2021 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, List
from synapse.config.sso import SsoAttributeRequirement
from synapse.types import JsonDict
from ._base import Config
from ._util import validate_config
class CasConfig(Config):
"""Cas Configuration
cas_server_url: URL of CAS server
"""
section = "cas"
def read_config(self, config: JsonDict, **kwargs: Any) -> None:
cas_config = config.get("cas_config", None)
self.cas_enabled = cas_config and cas_config.get("enabled", True)
if self.cas_enabled:
self.cas_server_url = cas_config["server_url"]
# TODO Update this to a _synapse URL.
public_baseurl = self.root.server.public_baseurl
self.cas_service_url = public_baseurl + "_matrix/client/r0/login/cas/ticket"
self.cas_displayname_attribute = cas_config.get("displayname_attribute")
required_attributes = cas_config.get("required_attributes") or {}
self.cas_required_attributes = _parsed_required_attributes_def(
required_attributes
)
else:
self.cas_server_url = None
self.cas_service_url = None
self.cas_displayname_attribute = None
self.cas_required_attributes = []
# CAS uses a legacy required attributes mapping, not the one provided by
# SsoAttributeRequirement.
REQUIRED_ATTRIBUTES_SCHEMA = {
"type": "object",
"additionalProperties": {"anyOf": [{"type": "string"}, {"type": "null"}]},
}
def _parsed_required_attributes_def(
required_attributes: Any,
) -> List[SsoAttributeRequirement]:
validate_config(
REQUIRED_ATTRIBUTES_SCHEMA,
required_attributes,
config_path=("cas_config", "required_attributes"),
)
return [SsoAttributeRequirement(k, v) for k, v in required_attributes.items()]
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