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e8e0f0fad7
Adds the option to load the Redis password from a file, instead of giving it in the config directly. The code is similar to how it’s done for `registration_shared_secret_path`. I changed the example in the documentation to represent the best practice regarding the handling of secrets. Reading secrets from files has the security advantage of separating the secrets from the config. It also simplifies secrets management in Kubernetes.
174 lines
6.8 KiB
Python
174 lines
6.8 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 2021 The Matrix.org Foundation C.I.C.
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# Copyright 2016 OpenMarket Ltd
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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 tempfile
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from typing import Callable
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import yaml
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from parameterized import parameterized
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from synapse.config import ConfigError
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from synapse.config._base import RootConfig
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from synapse.config.homeserver import HomeServerConfig
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from tests.config.utils import ConfigFileTestCase
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try:
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import hiredis
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except ImportError:
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hiredis = None # type: ignore
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class ConfigLoadingFileTestCase(ConfigFileTestCase):
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def test_load_fails_if_server_name_missing(self) -> None:
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self.generate_config_and_remove_lines_containing("server_name")
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with self.assertRaises(ConfigError):
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HomeServerConfig.load_config("", ["-c", self.config_file])
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with self.assertRaises(ConfigError):
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HomeServerConfig.load_or_generate_config("", ["-c", self.config_file])
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def test_generates_and_loads_macaroon_secret_key(self) -> None:
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self.generate_config()
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with open(self.config_file) as f:
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raw = yaml.safe_load(f)
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self.assertIn("macaroon_secret_key", raw)
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config = HomeServerConfig.load_config("", ["-c", self.config_file])
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self.assertTrue(
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hasattr(config.key, "macaroon_secret_key"),
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"Want config to have attr macaroon_secret_key",
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)
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if len(config.key.macaroon_secret_key) < 5:
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self.fail(
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"Want macaroon secret key to be string of at least length 5,"
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"was: %r" % (config.key.macaroon_secret_key,)
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)
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config2 = HomeServerConfig.load_or_generate_config("", ["-c", self.config_file])
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assert config2 is not None
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self.assertTrue(
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hasattr(config2.key, "macaroon_secret_key"),
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"Want config to have attr macaroon_secret_key",
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)
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if len(config2.key.macaroon_secret_key) < 5:
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self.fail(
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"Want macaroon secret key to be string of at least length 5,"
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"was: %r" % (config2.key.macaroon_secret_key,)
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)
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def test_load_succeeds_if_macaroon_secret_key_missing(self) -> None:
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self.generate_config_and_remove_lines_containing("macaroon")
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config1 = HomeServerConfig.load_config("", ["-c", self.config_file])
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config2 = HomeServerConfig.load_config("", ["-c", self.config_file])
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config3 = HomeServerConfig.load_or_generate_config("", ["-c", self.config_file])
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assert config1 is not None
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assert config2 is not None
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assert config3 is not None
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self.assertEqual(
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config1.key.macaroon_secret_key, config2.key.macaroon_secret_key
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)
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self.assertEqual(
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config1.key.macaroon_secret_key, config3.key.macaroon_secret_key
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)
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def test_disable_registration(self) -> None:
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self.generate_config()
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self.add_lines_to_config(
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["enable_registration: true", "disable_registration: true"]
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)
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# Check that disable_registration clobbers enable_registration.
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config = HomeServerConfig.load_config("", ["-c", self.config_file])
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self.assertFalse(config.registration.enable_registration)
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config2 = HomeServerConfig.load_or_generate_config("", ["-c", self.config_file])
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assert config2 is not None
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self.assertFalse(config2.registration.enable_registration)
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# Check that either config value is clobbered by the command line.
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config3 = HomeServerConfig.load_or_generate_config(
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"", ["-c", self.config_file, "--enable-registration"]
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)
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assert config3 is not None
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self.assertTrue(config3.registration.enable_registration)
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def test_stats_enabled(self) -> None:
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self.generate_config_and_remove_lines_containing("enable_metrics")
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self.add_lines_to_config(["enable_metrics: true"])
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# The default Metrics Flags are off by default.
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config = HomeServerConfig.load_config("", ["-c", self.config_file])
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self.assertFalse(config.metrics.metrics_flags.known_servers)
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def test_depreciated_identity_server_flag_throws_error(self) -> None:
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self.generate_config()
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# Needed to ensure that actual key/value pair added below don't end up on a line with a comment
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self.add_lines_to_config([" "])
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# Check that presence of "trust_identity_server_for_password" throws config error
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self.add_lines_to_config(["trust_identity_server_for_password_resets: true"])
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with self.assertRaises(ConfigError):
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HomeServerConfig.load_config("", ["-c", self.config_file])
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@parameterized.expand(
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[
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"turn_shared_secret_path: /does/not/exist",
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"registration_shared_secret_path: /does/not/exist",
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*["redis:\n enabled: true\n password_path: /does/not/exist"]
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* (hiredis is not None),
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]
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)
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def test_secret_files_missing(self, config_str: str) -> None:
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self.generate_config()
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self.add_lines_to_config(["", config_str])
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with self.assertRaises(ConfigError):
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HomeServerConfig.load_config("", ["-c", self.config_file])
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@parameterized.expand(
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[
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(
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"turn_shared_secret_path: {}",
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lambda c: c.voip.turn_shared_secret,
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),
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(
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"registration_shared_secret_path: {}",
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lambda c: c.registration.registration_shared_secret,
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),
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*[
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(
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"redis:\n enabled: true\n password_path: {}",
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lambda c: c.redis.redis_password,
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)
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]
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* (hiredis is not None),
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]
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)
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def test_secret_files_existing(
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self, config_line: str, get_secret: Callable[[RootConfig], str]
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) -> None:
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self.generate_config_and_remove_lines_containing("registration_shared_secret")
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with tempfile.NamedTemporaryFile(buffering=0) as secret_file:
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secret_file.write(b"53C237")
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self.add_lines_to_config(["", config_line.format(secret_file.name)])
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config = HomeServerConfig.load_config("", ["-c", self.config_file])
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self.assertEqual(get_secret(config), "53C237")
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