mirror of
https://git.anonymousland.org/anonymousland/synapse.git
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143 lines
5.1 KiB
Python
143 lines
5.1 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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from ._base import Config, ConfigError
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from synapse.appservice import ApplicationService
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from synapse.types import UserID
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import urllib
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import yaml
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import logging
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logger = logging.getLogger(__name__)
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class AppServiceConfig(Config):
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def read_config(self, config):
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self.app_service_config_files = config.get("app_service_config_files", [])
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def default_config(cls, **kwargs):
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return """\
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# A list of application service config file to use
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app_service_config_files: []
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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(
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"Expected %s to be a list of AS config files.", config_files
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)
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return []
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# Dicts of value -> filename
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seen_as_tokens = {}
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seen_ids = {}
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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(
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hostname, yaml.load(f), config_file
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)
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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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)
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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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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 = [
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"id", "url", "as_token", "hs_token", "sender_localpart"
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]
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for field in required_string_fields:
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if not isinstance(as_info.get(field), basestring):
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raise KeyError("Required string field: '%s' (%s)" % (
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field, config_filename,
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))
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localpart = as_info["sender_localpart"]
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if urllib.quote(localpart) != localpart:
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raise ValueError(
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"sender_localpart needs characters which are not URL encoded."
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)
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user = UserID(localpart, hostname)
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user_id = user.to_string()
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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,"
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" but got %s", ns, regex_obj
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)
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if not isinstance(regex_obj.get("regex"), basestring):
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raise ValueError(
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"Missing/bad type 'regex' key in %s", regex_obj
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)
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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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return ApplicationService(
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token=as_info["as_token"],
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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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)
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