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Throw if the appservice config list is the wrong type (#15425)

* raise a ConfigError on an invalid app_service_config_files

* changelog

* Move config check to read_config

* Add test

* Ensure list also contains strings
This commit is contained in:
Will Hunt 2023-04-12 12:28:46 +01:00 committed by GitHub
parent 66ad1b8984
commit 253e86a72e
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 51 additions and 4 deletions

1
changelog.d/15425.bugfix Normal file
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@ -0,0 +1 @@
Synapse now correctly fails to start if the config option `app_service_config_files` is not a list.

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@ -33,6 +33,16 @@ class AppServiceConfig(Config):
def read_config(self, config: JsonDict, **kwargs: Any) -> None:
self.app_service_config_files = config.get("app_service_config_files", [])
if not isinstance(self.app_service_config_files, list) or not all(
type(x) is str for x in self.app_service_config_files
):
# type-ignore: this function gets arbitrary json value; we do use this path.
raise ConfigError(
"Expected '%s' to be a list of AS config files:"
% (self.app_service_config_files),
"app_service_config_files",
)
self.track_appservice_user_ips = config.get("track_appservice_user_ips", False)
@ -40,10 +50,6 @@ def load_appservices(
hostname: str, config_files: List[str]
) -> List[ApplicationService]:
"""Returns a list of Application Services from the config files."""
if not isinstance(config_files, list):
# type-ignore: this function gets arbitrary json value; we do use this path.
logger.warning("Expected %s to be a list of AS config files.", config_files) # type: ignore[unreachable]
return []
# Dicts of value -> filename
seen_as_tokens: Dict[str, str] = {}

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@ -0,0 +1,40 @@
# Copyright 2023 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 synapse.config.appservice import AppServiceConfig, ConfigError
from tests.unittest import TestCase
class AppServiceConfigTest(TestCase):
def test_invalid_app_service_config_files(self) -> None:
for invalid_value in [
"foobar",
1,
None,
True,
False,
{},
["foo", "bar", False],
]:
with self.assertRaises(ConfigError):
AppServiceConfig().read_config(
{"app_service_config_files": invalid_value}
)
def test_valid_app_service_config_files(self) -> None:
AppServiceConfig().read_config({"app_service_config_files": []})
AppServiceConfig().read_config(
{"app_service_config_files": ["/not/a/real/path", "/not/a/real/path/2"]}
)