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anonymousland-synapse/synapse/config/server.py
Travis Ralston 6901ac7e9d
Don't recommend :8448 to people on public_baseurl
2019-01-28 12:15:22 -07:00

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# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2017-2018 New Vector Ltd
#
# 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.
import logging
import os.path
from synapse.http.endpoint import parse_and_validate_server_name
from synapse.python_dependencies import DependencyException, check_requirements
from ._base import Config, ConfigError
logger = logging.Logger(__name__)
class ServerConfig(Config):
def read_config(self, config):
self.server_name = config["server_name"]
try:
parse_and_validate_server_name(self.server_name)
except ValueError as e:
raise ConfigError(str(e))
self.pid_file = self.abspath(config.get("pid_file"))
self.web_client_location = config.get("web_client_location", None)
self.soft_file_limit = config["soft_file_limit"]
self.daemonize = config.get("daemonize")
self.print_pidfile = config.get("print_pidfile")
self.user_agent_suffix = config.get("user_agent_suffix")
self.use_frozen_dicts = config.get("use_frozen_dicts", False)
self.public_baseurl = config.get("public_baseurl")
self.cpu_affinity = config.get("cpu_affinity")
# Whether to send federation traffic out in this process. This only
# applies to some federation traffic, and so shouldn't be used to
# "disable" federation
self.send_federation = config.get("send_federation", True)
# Whether to enable user presence.
self.use_presence = config.get("use_presence", True)
# Whether to update the user directory or not. This should be set to
# false only if we are updating the user directory in a worker
self.update_user_directory = config.get("update_user_directory", True)
# whether to enable the media repository endpoints. This should be set
# to false if the media repository is running as a separate endpoint;
# doing so ensures that we will not run cache cleanup jobs on the
# master, potentially causing inconsistency.
self.enable_media_repo = config.get("enable_media_repo", True)
# whether to enable search. If disabled, new entries will not be inserted
# into the search tables and they will not be indexed. Users will receive
# errors when attempting to search for messages.
self.enable_search = config.get("enable_search", True)
self.filter_timeline_limit = config.get("filter_timeline_limit", -1)
# Whether we should block invites sent to users on this server
# (other than those sent by local server admins)
self.block_non_admin_invites = config.get(
"block_non_admin_invites", False,
)
# Options to control access by tracking MAU
self.limit_usage_by_mau = config.get("limit_usage_by_mau", False)
self.max_mau_value = 0
if self.limit_usage_by_mau:
self.max_mau_value = config.get(
"max_mau_value", 0,
)
self.mau_stats_only = config.get("mau_stats_only", False)
self.mau_limits_reserved_threepids = config.get(
"mau_limit_reserved_threepids", []
)
self.mau_trial_days = config.get(
"mau_trial_days", 0,
)
# Options to disable HS
self.hs_disabled = config.get("hs_disabled", False)
self.hs_disabled_message = config.get("hs_disabled_message", "")
self.hs_disabled_limit_type = config.get("hs_disabled_limit_type", "")
# Admin uri to direct users at should their instance become blocked
# due to resource constraints
self.admin_contact = config.get("admin_contact", None)
# FIXME: federation_domain_whitelist needs sytests
self.federation_domain_whitelist = None
federation_domain_whitelist = config.get(
"federation_domain_whitelist", None
)
# turn the whitelist into a hash for speed of lookup
if federation_domain_whitelist is not None:
self.federation_domain_whitelist = {}
for domain in federation_domain_whitelist:
self.federation_domain_whitelist[domain] = True
if self.public_baseurl is not None:
if self.public_baseurl[-1] != '/':
self.public_baseurl += '/'
self.start_pushers = config.get("start_pushers", True)
self.listeners = config.get("listeners", [])
for listener in self.listeners:
bind_address = listener.pop("bind_address", None)
bind_addresses = listener.setdefault("bind_addresses", [])
if bind_address:
bind_addresses.append(bind_address)
elif not bind_addresses:
bind_addresses.append('')
if not self.web_client_location:
_warn_if_webclient_configured(self.listeners)
self.gc_thresholds = read_gc_thresholds(config.get("gc_thresholds", None))
bind_port = config.get("bind_port")
if bind_port:
self.listeners = []
bind_host = config.get("bind_host", "")
gzip_responses = config.get("gzip_responses", True)
self.listeners.append({
"port": bind_port,
"bind_addresses": [bind_host],
"tls": True,
"type": "http",
"resources": [
{
"names": ["client"],
"compress": gzip_responses,
},
{
"names": ["federation"],
"compress": False,
}
]
})
unsecure_port = config.get("unsecure_port", bind_port - 400)
if unsecure_port:
self.listeners.append({
"port": unsecure_port,
"bind_addresses": [bind_host],
"tls": False,
"type": "http",
"resources": [
{
"names": ["client"],
"compress": gzip_responses,
},
{
"names": ["federation"],
"compress": False,
}
]
})
manhole = config.get("manhole")
if manhole:
self.listeners.append({
"port": manhole,
"bind_addresses": ["127.0.0.1"],
"type": "manhole",
})
metrics_port = config.get("metrics_port")
if metrics_port:
logger.warn(
("The metrics_port configuration option is deprecated in Synapse 0.31 "
"in favour of a listener. Please see "
"http://github.com/matrix-org/synapse/blob/master/docs/metrics-howto.rst"
" on how to configure the new listener."))
self.listeners.append({
"port": metrics_port,
"bind_addresses": [config.get("metrics_bind_host", "127.0.0.1")],
"tls": False,
"type": "http",
"resources": [
{
"names": ["metrics"],
"compress": False,
},
]
})
_check_resource_config(self.listeners)
def default_config(self, server_name, data_dir_path, **kwargs):
_, bind_port = parse_and_validate_server_name(server_name)
if bind_port is not None:
unsecure_port = bind_port - 400
else:
bind_port = 8448
unsecure_port = 8008
pid_file = os.path.join(data_dir_path, "homeserver.pid")
return """\
## Server ##
# The domain name of the server, with optional explicit port.
# This is used by remote servers to connect to this server,
# e.g. matrix.org, localhost:8080, etc.
# This is also the last part of your UserID.
server_name: "%(server_name)s"
# When running as a daemon, the file to store the pid in
pid_file: %(pid_file)s
# CPU affinity mask. Setting this restricts the CPUs on which the
# process will be scheduled. It is represented as a bitmask, with the
# lowest order bit corresponding to the first logical CPU and the
# highest order bit corresponding to the last logical CPU. Not all CPUs
# may exist on a given system but a mask may specify more CPUs than are
# present.
#
# For example:
# 0x00000001 is processor #0,
# 0x00000003 is processors #0 and #1,
# 0xFFFFFFFF is all processors (#0 through #31).
#
# Pinning a Python process to a single CPU is desirable, because Python
# is inherently single-threaded due to the GIL, and can suffer a
# 30-40%% slowdown due to cache blow-out and thread context switching
# if the scheduler happens to schedule the underlying threads across
# different cores. See
# https://www.mirantis.com/blog/improve-performance-python-programs-restricting-single-cpu/.
#
# This setting requires the affinity package to be installed!
#
# cpu_affinity: 0xFFFFFFFF
# The path to the web client which will be served at /_matrix/client/
# if 'webclient' is configured under the 'listeners' configuration.
#
# web_client_location: "/path/to/web/root"
# The public-facing base URL that clients use to access this HS
# (not including _matrix/...). This is the same URL a user would
# enter into the 'custom HS URL' field on their client. If you
# use synapse with a reverse proxy, this should be the URL to reach
# synapse via the proxy.
# public_baseurl: https://example.com/
# Set the soft limit on the number of file descriptors synapse can use
# Zero is used to indicate synapse should set the soft limit to the
# hard limit.
soft_file_limit: 0
# Set to false to disable presence tracking on this homeserver.
use_presence: true
# The GC threshold parameters to pass to `gc.set_threshold`, if defined
# gc_thresholds: [700, 10, 10]
# Set the limit on the returned events in the timeline in the get
# and sync operations. The default value is -1, means no upper limit.
# filter_timeline_limit: 5000
# Whether room invites to users on this server should be blocked
# (except those sent by local server admins). The default is False.
# block_non_admin_invites: True
# Restrict federation to the following whitelist of domains.
# N.B. we recommend also firewalling your federation listener to limit
# inbound federation traffic as early as possible, rather than relying
# purely on this application-layer restriction. If not specified, the
# default is to whitelist everything.
#
# federation_domain_whitelist:
# - lon.example.com
# - nyc.example.com
# - syd.example.com
# List of ports that Synapse should listen on, their purpose and their
# configuration.
listeners:
# Main HTTPS listener
# For when matrix traffic is sent directly to synapse.
-
# The port to listen for HTTPS requests on.
port: %(bind_port)s
# Local addresses to listen on.
# On Linux and Mac OS, `::` will listen on all IPv4 and IPv6
# addresses by default. For most other OSes, this will only listen
# on IPv6.
bind_addresses:
- '::'
- '0.0.0.0'
# This is a 'http' listener, allows us to specify 'resources'.
type: http
tls: true
# Use the X-Forwarded-For (XFF) header as the client IP and not the
# actual client IP.
x_forwarded: false
# List of HTTP resources to serve on this listener.
resources:
-
# List of resources to host on this listener.
names:
- client # The client-server APIs, both v1 and v2
# - webclient # A web client. Requires web_client_location to be set.
# Should synapse compress HTTP responses to clients that support it?
# This should be disabled if running synapse behind a load balancer
# that can do automatic compression.
compress: true
- names: [federation] # Federation APIs
compress: false
# optional list of additional endpoints which can be loaded via
# dynamic modules
# additional_resources:
# "/_matrix/my/custom/endpoint":
# module: my_module.CustomRequestHandler
# config: {}
# Unsecure HTTP listener,
# For when matrix traffic passes through loadbalancer that unwraps TLS.
- port: %(unsecure_port)s
tls: false
bind_addresses: ['::', '0.0.0.0']
type: http
x_forwarded: false
resources:
- names: [client]
compress: true
- names: [federation]
compress: false
# Turn on the twisted ssh manhole service on localhost on the given
# port.
# - port: 9000
# bind_addresses: ['::1', '127.0.0.1']
# type: manhole
# Homeserver blocking
#
# How to reach the server admin, used in ResourceLimitError
# admin_contact: 'mailto:admin@server.com'
#
# Global block config
#
# hs_disabled: False
# hs_disabled_message: 'Human readable reason for why the HS is blocked'
# hs_disabled_limit_type: 'error code(str), to help clients decode reason'
#
# Monthly Active User Blocking
#
# Enables monthly active user checking
# limit_usage_by_mau: False
# max_mau_value: 50
# mau_trial_days: 2
#
# If enabled, the metrics for the number of monthly active users will
# be populated, however no one will be limited. If limit_usage_by_mau
# is true, this is implied to be true.
# mau_stats_only: False
#
# Sometimes the server admin will want to ensure certain accounts are
# never blocked by mau checking. These accounts are specified here.
#
# mau_limit_reserved_threepids:
# - medium: 'email'
# address: 'reserved_user@example.com'
#
# Room searching
#
# If disabled, new messages will not be indexed for searching and users
# will receive errors when searching for messages. Defaults to enabled.
# enable_search: true
""" % locals()
def read_arguments(self, args):
if args.manhole is not None:
self.manhole = args.manhole
if args.daemonize is not None:
self.daemonize = args.daemonize
if args.print_pidfile is not None:
self.print_pidfile = args.print_pidfile
def add_arguments(self, parser):
server_group = parser.add_argument_group("server")
server_group.add_argument("-D", "--daemonize", action='store_true',
default=None,
help="Daemonize the home server")
server_group.add_argument("--print-pidfile", action='store_true',
default=None,
help="Print the path to the pidfile just"
" before daemonizing")
server_group.add_argument("--manhole", metavar="PORT", dest="manhole",
type=int,
help="Turn on the twisted telnet manhole"
" service on the given port.")
def is_threepid_reserved(reserved_threepids, threepid):
"""Check the threepid against the reserved threepid config
Args:
reserved_threepids([dict]) - list of reserved threepids
threepid(dict) - The threepid to test for
Returns:
boolean Is the threepid undertest reserved_user
"""
for tp in reserved_threepids:
if (threepid['medium'] == tp['medium'] and threepid['address'] == tp['address']):
return True
return False
def read_gc_thresholds(thresholds):
"""Reads the three integer thresholds for garbage collection. Ensures that
the thresholds are integers if thresholds are supplied.
"""
if thresholds is None:
return None
try:
assert len(thresholds) == 3
return (
int(thresholds[0]), int(thresholds[1]), int(thresholds[2]),
)
except Exception:
raise ConfigError(
"Value of `gc_threshold` must be a list of three integers if set"
)
NO_MORE_WEB_CLIENT_WARNING = """
Synapse no longer includes a web client. To enable a web client, configure
web_client_location. To remove this warning, remove 'webclient' from the 'listeners'
configuration.
"""
def _warn_if_webclient_configured(listeners):
for listener in listeners:
for res in listener.get("resources", []):
for name in res.get("names", []):
if name == 'webclient':
logger.warning(NO_MORE_WEB_CLIENT_WARNING)
return
KNOWN_RESOURCES = (
'client',
'consent',
'federation',
'keys',
'media',
'metrics',
'replication',
'static',
'webclient',
)
def _check_resource_config(listeners):
resource_names = set(
res_name
for listener in listeners
for res in listener.get("resources", [])
for res_name in res.get("names", [])
)
for resource in resource_names:
if resource not in KNOWN_RESOURCES:
raise ConfigError(
"Unknown listener resource '%s'" % (resource, )
)
if resource == "consent":
try:
check_requirements('resources.consent')
except DependencyException as e:
raise ConfigError(e.message)
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