122 lines
4.2 KiB
Python
122 lines
4.2 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2020-2021 The Matrix.org Foundation C.I.C.
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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import logging
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from typing import Any
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import attr
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from synapse.types import JsonDict
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from ._base import Config
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logger = logging.getLogger(__name__)
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LEGACY_TEMPLATE_DIR_WARNING = """
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This server's configuration file is using the deprecated 'template_dir' setting in the
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'sso' section. Support for this setting has been deprecated and will be removed in a
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future version of Synapse. Server admins should instead use the new
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'custom_template_directory' setting documented here:
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https://element-hq.github.io/synapse/latest/templates.html
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---------------------------------------------------------------------------------------"""
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@attr.s(frozen=True, auto_attribs=True)
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class SsoAttributeRequirement:
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"""Object describing a single requirement for SSO attributes."""
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attribute: str
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# If neither `value` nor `one_of` is given, the attribute must simply exist.
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value: str | None = None
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one_of: list[str] | None = None
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JSON_SCHEMA = {
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"type": "object",
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"properties": {
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"attribute": {"type": "string"},
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"value": {"type": "string"},
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"one_of": {"type": "array", "items": {"type": "string"}},
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},
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"required": ["attribute"],
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}
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class SSOConfig(Config):
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"""SSO Configuration"""
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section = "sso"
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def read_config(self, config: JsonDict, **kwargs: Any) -> None:
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sso_config: dict[str, Any] = config.get("sso") or {}
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# The sso-specific template_dir
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self.sso_template_dir = sso_config.get("template_dir")
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if self.sso_template_dir is not None:
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logger.warning(LEGACY_TEMPLATE_DIR_WARNING)
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# Read templates from disk
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custom_template_directories = (
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self.root.server.custom_template_directory,
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self.sso_template_dir,
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)
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(
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self.sso_login_idp_picker_template,
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self.sso_redirect_confirm_template,
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self.sso_auth_confirm_template,
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self.sso_error_template,
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sso_account_deactivated_template,
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sso_auth_success_template,
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self.sso_auth_bad_user_template,
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) = self.read_templates(
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[
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"sso_login_idp_picker.html",
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"sso_redirect_confirm.html",
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"sso_auth_confirm.html",
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"sso_error.html",
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"sso_account_deactivated.html",
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"sso_auth_success.html",
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"sso_auth_bad_user.html",
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],
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(td for td in custom_template_directories if td),
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)
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# These templates have no placeholders, so render them here
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self.sso_account_deactivated_template = (
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sso_account_deactivated_template.render()
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)
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self.sso_auth_success_template = sso_auth_success_template.render()
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self.sso_client_whitelist = sso_config.get("client_whitelist") or []
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self.sso_update_profile_information = (
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sso_config.get("update_profile_information") or False
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)
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# Attempt to also whitelist the server's login fallback, since that fallback sets
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# the redirect URL to itself (so it can process the login token then return
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# gracefully to the client). This would make it pointless to ask the user for
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# confirmation, since the URL the confirmation page would be showing wouldn't be
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# the client's.
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login_fallback_url = (
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self.root.server.public_baseurl + "_matrix/static/client/login"
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)
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self.sso_client_whitelist.append(login_fallback_url)
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