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409c62b27b
Add a linting script that enforces all boolean values in the default config be lowercase. This has annoyed me for a while so I decided to fix it.
180 lines
6.6 KiB
Python
180 lines
6.6 KiB
Python
# Copyright 2015, 2016 OpenMarket 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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import logging
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from typing import Dict
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from six import string_types
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from six.moves.urllib import parse as urlparse
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import yaml
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from netaddr import IPSet
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from synapse.appservice import ApplicationService
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from synapse.types import UserID
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from ._base import Config, ConfigError
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logger = logging.getLogger(__name__)
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class AppServiceConfig(Config):
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section = "appservice"
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def read_config(self, config, **kwargs):
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self.app_service_config_files = config.get("app_service_config_files", [])
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self.notify_appservices = config.get("notify_appservices", True)
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self.track_appservice_user_ips = config.get("track_appservice_user_ips", False)
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def generate_config_section(cls, **kwargs):
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return """\
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# A list of application service config files to use
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#
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#app_service_config_files:
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# - app_service_1.yaml
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# - app_service_2.yaml
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# Uncomment to enable tracking of application service IP addresses. Implicitly
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# enables MAU tracking for application service users.
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#
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#track_appservice_user_ips: true
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"""
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def load_appservices(hostname, config_files):
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"""Returns a list of Application Services from the config files."""
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if not isinstance(config_files, list):
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logger.warning("Expected %s to be a list of AS config files.", config_files)
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return []
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# Dicts of value -> filename
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seen_as_tokens = {} # type: Dict[str, str]
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seen_ids = {} # type: Dict[str, str]
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appservices = []
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for config_file in config_files:
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try:
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with open(config_file, "r") as f:
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appservice = _load_appservice(hostname, yaml.safe_load(f), config_file)
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if appservice.id in seen_ids:
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raise ConfigError(
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"Cannot reuse ID across application services: "
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"%s (files: %s, %s)"
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% (appservice.id, config_file, seen_ids[appservice.id])
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)
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seen_ids[appservice.id] = config_file
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if appservice.token in seen_as_tokens:
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raise ConfigError(
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"Cannot reuse as_token across application services: "
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"%s (files: %s, %s)"
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% (
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appservice.token,
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config_file,
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seen_as_tokens[appservice.token],
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)
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)
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seen_as_tokens[appservice.token] = config_file
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logger.info("Loaded application service: %s", appservice)
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appservices.append(appservice)
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except Exception as e:
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logger.error("Failed to load appservice from '%s'", config_file)
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logger.exception(e)
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raise
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return appservices
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def _load_appservice(hostname, as_info, config_filename):
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required_string_fields = ["id", "as_token", "hs_token", "sender_localpart"]
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for field in required_string_fields:
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if not isinstance(as_info.get(field), string_types):
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raise KeyError(
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"Required string field: '%s' (%s)" % (field, config_filename)
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)
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# 'url' must either be a string or explicitly null, not missing
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# to avoid accidentally turning off push for ASes.
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if (
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not isinstance(as_info.get("url"), string_types)
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and as_info.get("url", "") is not None
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):
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raise KeyError(
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"Required string field or explicit null: 'url' (%s)" % (config_filename,)
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)
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localpart = as_info["sender_localpart"]
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if urlparse.quote(localpart) != localpart:
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raise ValueError("sender_localpart needs characters which are not URL encoded.")
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user = UserID(localpart, hostname)
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user_id = user.to_string()
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# Rate limiting for users of this AS is on by default (excludes sender)
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rate_limited = True
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if isinstance(as_info.get("rate_limited"), bool):
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rate_limited = as_info.get("rate_limited")
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# namespace checks
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if not isinstance(as_info.get("namespaces"), dict):
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raise KeyError("Requires 'namespaces' object.")
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for ns in ApplicationService.NS_LIST:
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# specific namespaces are optional
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if ns in as_info["namespaces"]:
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# expect a list of dicts with exclusive and regex keys
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for regex_obj in as_info["namespaces"][ns]:
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if not isinstance(regex_obj, dict):
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raise ValueError(
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"Expected namespace entry in %s to be an object," " but got %s",
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ns,
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regex_obj,
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)
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if not isinstance(regex_obj.get("regex"), string_types):
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raise ValueError("Missing/bad type 'regex' key in %s", regex_obj)
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if not isinstance(regex_obj.get("exclusive"), bool):
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raise ValueError(
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"Missing/bad type 'exclusive' key in %s", regex_obj
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)
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# protocols check
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protocols = as_info.get("protocols")
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if protocols:
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# Because strings are lists in python
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if isinstance(protocols, str) or not isinstance(protocols, list):
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raise KeyError("Optional 'protocols' must be a list if present.")
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for p in protocols:
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if not isinstance(p, str):
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raise KeyError("Bad value for 'protocols' item")
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if as_info["url"] is None:
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logger.info(
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"(%s) Explicitly empty 'url' provided. This application service"
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" will not receive events or queries.",
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config_filename,
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)
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ip_range_whitelist = None
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if as_info.get("ip_range_whitelist"):
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ip_range_whitelist = IPSet(as_info.get("ip_range_whitelist"))
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return ApplicationService(
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token=as_info["as_token"],
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hostname=hostname,
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url=as_info["url"],
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namespaces=as_info["namespaces"],
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hs_token=as_info["hs_token"],
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sender=user_id,
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id=as_info["id"],
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protocols=protocols,
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rate_limited=rate_limited,
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ip_range_whitelist=ip_range_whitelist,
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)
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