#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2014, 2015 OpenMarket 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.
from synapse.storage import prepare_database, UpgradeDatabaseException
from synapse.server import HomeServer
from synapse.python_dependencies import check_requirements
from twisted.internet import reactor
from twisted.enterprise import adbapi
from twisted.web.resource import Resource
from twisted.web.static import File
from twisted.web.server import Site
from synapse.http.server import JsonResource, RootRedirect
from synapse.rest.media.v0.content_repository import ContentRepoResource
from synapse.rest.media.v1.media_repository import MediaRepositoryResource
from synapse.http.server_key_resource import LocalKey
from synapse.http.matrixfederationclient import MatrixFederationHttpClient
from synapse.api.urls import (
CLIENT_PREFIX, FEDERATION_PREFIX, WEB_CLIENT_PREFIX, CONTENT_REPO_PREFIX,
SERVER_KEY_PREFIX, MEDIA_PREFIX, CLIENT_V2_ALPHA_PREFIX,
)
from synapse.config.homeserver import HomeServerConfig
from synapse.crypto import context_factory
from synapse.util.logcontext import LoggingContext
from synapse.rest.client.v1 import ClientV1RestResource
from synapse.rest.client.v2_alpha import ClientV2AlphaRestResource
from daemonize import Daemonize
import twisted.manhole.telnet
import synapse
import logging
import os
import re
import sys
import sqlite3
import syweb
logger = logging.getLogger(__name__)
class SynapseHomeServer(HomeServer):
def build_http_client(self):
return MatrixFederationHttpClient(self)
def build_resource_for_client(self):
return ClientV1RestResource(self)
def build_resource_for_client_v2_alpha(self):
return ClientV2AlphaRestResource(self)
def build_resource_for_federation(self):
return JsonResource()
def build_resource_for_web_client(self):
syweb_path = os.path.dirname(syweb.__file__)
webclient_path = os.path.join(syweb_path, "webclient")
return File(webclient_path) # TODO configurable?
def build_resource_for_content_repo(self):
return ContentRepoResource(
self, self.upload_dir, self.auth, self.content_addr
)
def build_resource_for_media_repository(self):
return MediaRepositoryResource(self)
def build_resource_for_server_key(self):
return LocalKey(self)
def build_db_pool(self):
return adbapi.ConnectionPool(
"sqlite3", self.get_db_name(),
check_same_thread=False,
cp_min=1,
cp_max=1
)
def create_resource_tree(self, web_client, redirect_root_to_web_client):
"""Create the resource tree for this Home Server.
This in unduly complicated because Twisted does not support putting
child resources more than 1 level deep at a time.
Args:
web_client (bool): True to enable the web client.
redirect_root_to_web_client (bool): True to redirect '/' to the
location of the web client. This does nothing if web_client is not
True.
"""
# list containing (path_str, Resource) e.g:
# [ ("/aaa/bbb/cc", Resource1), ("/aaa/dummy", Resource2) ]
desired_tree = [
(CLIENT_PREFIX, self.get_resource_for_client()),
(CLIENT_V2_ALPHA_PREFIX, self.get_resource_for_client_v2_alpha()),
(FEDERATION_PREFIX, self.get_resource_for_federation()),
(CONTENT_REPO_PREFIX, self.get_resource_for_content_repo()),
(SERVER_KEY_PREFIX, self.get_resource_for_server_key()),
(MEDIA_PREFIX, self.get_resource_for_media_repository()),
]
if web_client:
logger.info("Adding the web client.")
desired_tree.append((WEB_CLIENT_PREFIX,
self.get_resource_for_web_client()))
if web_client and redirect_root_to_web_client:
self.root_resource = RootRedirect(WEB_CLIENT_PREFIX)
else:
self.root_resource = Resource()
# ideally we'd just use getChild and putChild but getChild doesn't work
# unless you give it a Request object IN ADDITION to the name :/ So
# instead, we'll store a copy of this mapping so we can actually add
# extra resources to existing nodes. See self._resource_id for the key.
resource_mappings = {}
for (full_path, resource) in desired_tree:
logger.info("Attaching %s to path %s", resource, full_path)
last_resource = self.root_resource
for path_seg in full_path.split('/')[1:-1]:
if not path_seg in last_resource.listNames():
# resource doesn't exist, so make a "dummy resource"
child_resource = Resource()
last_resource.putChild(path_seg, child_resource)
res_id = self._resource_id(last_resource, path_seg)
resource_mappings[res_id] = child_resource
last_resource = child_resource
else:
# we have an existing Resource, use that instead.
res_id = self._resource_id(last_resource, path_seg)
last_resource = resource_mappings[res_id]
# ===========================
# now attach the actual desired resource
last_path_seg = full_path.split('/')[-1]
# if there is already a resource here, thieve its children and
# replace it
res_id = self._resource_id(last_resource, last_path_seg)
if res_id in resource_mappings:
# there is a dummy resource at this path already, which needs
# to be replaced with the desired resource.
existing_dummy_resource = resource_mappings[res_id]
for child_name in existing_dummy_resource.listNames():
child_res_id = self._resource_id(existing_dummy_resource,
child_name)
child_resource = resource_mappings[child_res_id]
# steal the children
resource.putChild(child_name, child_resource)
# finally, insert the desired resource in the right place
last_resource.putChild(last_path_seg, resource)
res_id = self._resource_id(last_resource, last_path_seg)
resource_mappings[res_id] = resource
return self.root_resource
def _resource_id(self, resource, path_seg):
"""Construct an arbitrary resource ID so you can retrieve the mapping
later.
If you want to represent resource A putChild resource B with path C,
the mapping should looks like _resource_id(A,C) = B.
Args:
resource (Resource): The *parent* Resource
path_seg (str): The name of the child Resource to be attached.
Returns:
str: A unique string which can be a key to the child Resource.
"""
return "%s-%s" % (resource, path_seg)
def start_listening(self, secure_port, unsecure_port):
if secure_port is not None:
reactor.listenSSL(
secure_port, Site(self.root_resource), self.tls_context_factory
)
logger.info("Synapse now listening on port %d", secure_port)
if unsecure_port is not None:
reactor.listenTCP(
unsecure_port, Site(self.root_resource)
)
logger.info("Synapse now listening on port %d", unsecure_port)
def setup():
config = HomeServerConfig.load_config(
"Synapse Homeserver",
sys.argv[1:],
generate_section="Homeserver"
)
config.setup_logging()
check_requirements()
logger.info("Server hostname: %s", config.server_name)
logger.info("Server version: %s", synapse.__version__)
if re.search(":[0-9]+$", config.server_name):
domain_with_port = config.server_name
else:
domain_with_port = "%s:%s" % (config.server_name, config.bind_port)
tls_context_factory = context_factory.ServerContextFactory(config)
hs = SynapseHomeServer(
config.server_name,
domain_with_port=domain_with_port,
upload_dir=os.path.abspath("uploads"),
db_name=config.database_path,
tls_context_factory=tls_context_factory,
config=config,
content_addr=config.content_addr,
)
hs.create_resource_tree(
web_client=config.webclient,
redirect_root_to_web_client=True,
)
db_name = hs.get_db_name()
logger.info("Preparing database: %s...", db_name)
try:
with sqlite3.connect(db_name) as db_conn:
prepare_database(db_conn)
except UpgradeDatabaseException:
sys.stderr.write(
"\nFailed to upgrade database.\n"
"Have you checked for version specific instructions in"
" UPGRADES.rst?\n"
)
sys.exit(1)
logger.info("Database prepared in %s.", db_name)
db_pool = hs.get_db_pool()
if db_name == ":memory:":
# Memory databases will need to be setup each time they are opened.
reactor.callWhenRunning(
db_pool.runWithConnection, prepare_database
)
if config.manhole:
f = twisted.manhole.telnet.ShellFactory()
f.username = "matrix"
f.password = "rabbithole"
f.namespace['hs'] = hs
reactor.listenTCP(config.manhole, f, interface='127.0.0.1')
bind_port = config.bind_port
if config.no_tls:
bind_port = None
hs.start_listening(bind_port, config.unsecure_port)
hs.get_pusherpool().start()
if config.daemonize:
print config.pid_file
daemon = Daemonize(
app="synapse-homeserver",
pid=config.pid_file,
action=run,
auto_close_fds=False,
verbose=True,
logger=logger,
)
daemon.start()
else:
reactor.run()
def run():
with LoggingContext("run"):
reactor.run()
def main():
with LoggingContext("main"):
check_requirements()
setup()
if __name__ == '__main__':
main()