141 lines
5.2 KiB
Python
141 lines
5.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2018 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from synapse.python_dependencies import DependencyException, check_requirements
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from ._base import Config, ConfigError
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class SAML2Config(Config):
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def read_config(self, config, **kwargs):
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self.saml2_enabled = False
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saml2_config = config.get("saml2_config")
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if not saml2_config or not saml2_config.get("enabled", True):
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return
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try:
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check_requirements("saml2")
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except DependencyException as e:
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raise ConfigError(e.message)
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self.saml2_enabled = True
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import saml2.config
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self.saml2_sp_config = saml2.config.SPConfig()
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self.saml2_sp_config.load(self._default_saml_config_dict())
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self.saml2_sp_config.load(saml2_config.get("sp_config", {}))
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config_path = saml2_config.get("config_path", None)
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if config_path is not None:
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self.saml2_sp_config.load_file(config_path)
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# session lifetime: in milliseconds
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self.saml2_session_lifetime = self.parse_duration(
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saml2_config.get("saml_session_lifetime", "5m")
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)
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def _default_saml_config_dict(self):
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import saml2
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public_baseurl = self.public_baseurl
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if public_baseurl is None:
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raise ConfigError("saml2_config requires a public_baseurl to be set")
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metadata_url = public_baseurl + "_matrix/saml2/metadata.xml"
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response_url = public_baseurl + "_matrix/saml2/authn_response"
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return {
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"entityid": metadata_url,
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"service": {
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"sp": {
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"endpoints": {
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"assertion_consumer_service": [
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(response_url, saml2.BINDING_HTTP_POST)
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]
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},
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"required_attributes": ["uid"],
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"optional_attributes": ["mail", "surname", "givenname"],
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}
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},
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}
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def generate_config_section(self, config_dir_path, server_name, **kwargs):
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return """\
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# Enable SAML2 for registration and login. Uses pysaml2.
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#
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# `sp_config` is the configuration for the pysaml2 Service Provider.
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# See pysaml2 docs for format of config.
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#
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# Default values will be used for the 'entityid' and 'service' settings,
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# so it is not normally necessary to specify them unless you need to
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# override them.
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#
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# Once SAML support is enabled, a metadata file will be exposed at
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# https://<server>:<port>/_matrix/saml2/metadata.xml, which you may be able to
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# use to configure your SAML IdP with. Alternatively, you can manually configure
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# the IdP to use an ACS location of
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# https://<server>:<port>/_matrix/saml2/authn_response.
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#
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#saml2_config:
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# sp_config:
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# # point this to the IdP's metadata. You can use either a local file or
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# # (preferably) a URL.
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# metadata:
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# #local: ["saml2/idp.xml"]
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# remote:
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# - url: https://our_idp/metadata.xml
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#
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# # By default, the user has to go to our login page first. If you'd like to
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# # allow IdP-initiated login, set 'allow_unsolicited: True' in a
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# # 'service.sp' section:
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# #
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# #service:
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# # sp:
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# # allow_unsolicited: True
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#
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# # The examples below are just used to generate our metadata xml, and you
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# # may well not need it, depending on your setup. Alternatively you
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# # may need a whole lot more detail - see the pysaml2 docs!
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#
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# description: ["My awesome SP", "en"]
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# name: ["Test SP", "en"]
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#
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# organization:
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# name: Example com
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# display_name:
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# - ["Example co", "en"]
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# url: "http://example.com"
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#
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# contact_person:
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# - given_name: Bob
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# sur_name: "the Sysadmin"
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# email_address": ["admin@example.com"]
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# contact_type": technical
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#
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# # Instead of putting the config inline as above, you can specify a
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# # separate pysaml2 configuration file:
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# #
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# config_path: "%(config_dir_path)s/sp_conf.py"
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#
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# # the lifetime of a SAML session. This defines how long a user has to
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# # complete the authentication process, if allow_unsolicited is unset.
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# # The default is 5 minutes.
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# #
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# # saml_session_lifetime: 5m
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""" % {
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"config_dir_path": config_dir_path
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}
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