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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
from typing import Any, Optional
from synapse.config._base import Config
from synapse.config._util import validate_config
from synapse.types import JsonDict
class FederationConfig(Config):
section = "federation"
def read_config(self, config: JsonDict, **kwargs: Any) -> None:
federation_config = config.setdefault("federation", {})
# FIXME: federation_domain_whitelist needs sytests
self.federation_domain_whitelist: Optional[dict] = None
federation_domain_whitelist = config.get("federation_domain_whitelist", None)
if federation_domain_whitelist is not None:
# turn the whitelist into a hash for speed of lookup
self.federation_domain_whitelist = {}
for domain in federation_domain_whitelist:
self.federation_domain_whitelist[domain] = True
federation_metrics_domains = config.get("federation_metrics_domains") or []
validate_config(
_METRICS_FOR_DOMAINS_SCHEMA,
federation_metrics_domains,
("federation_metrics_domains",),
)
self.federation_metrics_domains = set(federation_metrics_domains)
self.allow_profile_lookup_over_federation = config.get(
"allow_profile_lookup_over_federation", True
)
self.allow_device_name_lookup_over_federation = config.get(
"allow_device_name_lookup_over_federation", False
)
# Allow for the configuration of timeout, max request retries
# and min/max retry delays in the matrix federation client.
self.client_timeout_ms = Config.parse_duration(
federation_config.get("client_timeout", "60s")
)
self.max_long_retry_delay_ms = Config.parse_duration(
federation_config.get("max_long_retry_delay", "60s")
)
self.max_short_retry_delay_ms = Config.parse_duration(
federation_config.get("max_short_retry_delay", "2s")
)
self.max_long_retries = federation_config.get("max_long_retries", 10)
self.max_short_retries = federation_config.get("max_short_retries", 3)
# Allow for the configuration of the backoff algorithm used
# when trying to reach an unavailable destination.
# Unlike previous configuration those values applies across
# multiple requests and the state of the backoff is stored on DB.
self.destination_min_retry_interval_ms = Config.parse_duration(
federation_config.get("destination_min_retry_interval", "10m")
)
self.destination_retry_multiplier = federation_config.get(
"destination_retry_multiplier", 2
)
self.destination_max_retry_interval_ms = min(
Config.parse_duration(
federation_config.get("destination_max_retry_interval", "7d")
),
# Set a hard-limit to not overflow the database column.
2**62,
)
_METRICS_FOR_DOMAINS_SCHEMA = {"type": "array", "items": {"type": "string"}}
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