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