Merge remote-tracking branch 'origin/master'

7 files changed, 105 insertions, 77 deletions

diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 82afb04c7d..07d38b5035 100644
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -21,8 +21,13 @@ from synapse.server import HomeServer
 from twisted.internet import reactor
 from twisted.enterprise import adbapi
 from twisted.python.log import PythonLoggingObserver
-from synapse.http.server import TwistedHttpServer
+from twisted.web.resource import Resource
+from twisted.web.static import File
+from twisted.web.server import Site
+from synapse.http.server import JsonResource
 from synapse.http.client import TwistedHttpClient
+from synapse.rest.base import CLIENT_PREFIX
+from synapse.federation.transport import PREFIX
 
 from daemonize import Daemonize
 
@@ -35,12 +40,19 @@ logger = logging.getLogger(__name__)
 
 
 class SynapseHomeServer(HomeServer):
-    def build_http_server(self):
-        return TwistedHttpServer()
 
     def build_http_client(self):
         return TwistedHttpClient()
 
+    def build_resource_for_client(self):
+        return JsonResource()
+
+    def build_resource_for_federation(self):
+        return JsonResource()
+
+    def build_resource_for_web_client(self):
+        return File("webclient")
+
     def build_db_pool(self):
         """ Set up all the dbs. Since all the *.sql have IF NOT EXISTS, so we
         don't have to worry about overwriting existing content.
@@ -73,6 +85,69 @@ class SynapseHomeServer(HomeServer):
 
         return pool
 
+    def create_resource_tree(self, 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.
+        """
+        desired_tree = [  # list containing (path_str, Resource)
+            (CLIENT_PREFIX, self.get_resource_for_client()),
+            (PREFIX, self.get_resource_for_federation())
+        ]
+        if web_client:
+            logger.info("Adding the web client.")
+            desired_tree.append(("/matrix/client",  # TODO constant please
+                                self.get_resource_for_web_client()))
+
+        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:
+            logging.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
+                    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, pull it out.
+                    res_id = self._resource_id(last_resource, path_seg)
+                    last_resource = resource_mappings[res_id]
+
+            # now attach the actual resource
+            last_path_seg = full_path.split('/')[-1]
+            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, port):
+        reactor.listenTCP(port, Site(self.root_resource))
+
 
 def setup_logging(verbosity=0, filename=None, config_path=None):
     """ Sets up logging with verbosity levels.
@@ -150,7 +225,8 @@ def setup():
 
     hs.register_servlets()
 
-    hs.get_http_server().start_listening(args.port)
+    hs.create_resource_tree(web_client=args.webclient)
+    hs.start_listening(args.port)
 
     hs.build_db_pool()
 
diff --git a/synapse/federation/__init__.py b/synapse/federation/__init__.py
index ac0c10dc33..b15e7cf941 100644
--- a/synapse/federation/__init__.py
+++ b/synapse/federation/__init__.py
@@ -23,7 +23,7 @@ from .transport import TransportLayer
 def initialize_http_replication(homeserver):
     transport = TransportLayer(
         homeserver.hostname,
-        server=homeserver.get_http_server(),
+        server=homeserver.get_resource_for_federation(),
         client=homeserver.get_http_client()
     )
 
diff --git a/synapse/http/server.py b/synapse/http/server.py
index d7f4b691bc..87b4fc8a5f 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -52,10 +52,9 @@ class HttpServer(object):
         pass
 
 
-# The actual HTTP server impl, using twisted http server
-class TwistedHttpServer(HttpServer, resource.Resource):
-    """ This wraps the twisted HTTP server, and triggers the correct callbacks
-    on the transport_layer.
+class JsonResource(HttpServer, resource.Resource):
+    """ This implements the HttpServer interface and provides JSON support for
+    Resources.
 
     Register callbacks via register_path()
     """
diff --git a/synapse/rest/__init__.py b/synapse/rest/__init__.py
index 74a372e2ff..da18933b63 100644
--- a/synapse/rest/__init__.py
+++ b/synapse/rest/__init__.py
@@ -15,8 +15,7 @@
 
 
 from . import (
-    room, events, register, login, profile, public, presence, im, directory,
-    webclient
+    room, events, register, login, profile, public, presence, im, directory
 )
 
 
@@ -32,19 +31,15 @@ class RestServletFactory(object):
     """
 
     def __init__(self, hs):
-        http_server = hs.get_http_server()
+        client_resource = hs.get_resource_for_client()
 
         # TODO(erikj): There *must* be a better way of doing this.
-        room.register_servlets(hs, http_server)
-        events.register_servlets(hs, http_server)
-        register.register_servlets(hs, http_server)
-        login.register_servlets(hs, http_server)
-        profile.register_servlets(hs, http_server)
-        public.register_servlets(hs, http_server)
-        presence.register_servlets(hs, http_server)
-        im.register_servlets(hs, http_server)
-        directory.register_servlets(hs, http_server)
-
-    def register_web_client(self, hs):
-        http_server = hs.get_http_server()
-        webclient.register_servlets(hs, http_server)
+        room.register_servlets(hs, client_resource)
+        events.register_servlets(hs, client_resource)
+        register.register_servlets(hs, client_resource)
+        login.register_servlets(hs, client_resource)
+        profile.register_servlets(hs, client_resource)
+        public.register_servlets(hs, client_resource)
+        presence.register_servlets(hs, client_resource)
+        im.register_servlets(hs, client_resource)
+        directory.register_servlets(hs, client_resource)
diff --git a/synapse/rest/base.py b/synapse/rest/base.py
index 65d417f757..124b3a2e0c 100644
--- a/synapse/rest/base.py
+++ b/synapse/rest/base.py
@@ -16,6 +16,8 @@
 """ This module contains base REST classes for constructing REST servlets. """
 import re
 
+CLIENT_PREFIX = "/matrix/client/api/v1"
+
 
 def client_path_pattern(path_regex):
     """Creates a regex compiled client path with the correct client path
@@ -27,7 +29,7 @@ def client_path_pattern(path_regex):
     Returns:
         SRE_Pattern
     """
-    return re.compile("^/matrix/client/api/v1" + path_regex)
+    return re.compile("^" + CLIENT_PREFIX + path_regex)
 
 
 class RestServlet(object):
diff --git a/synapse/rest/webclient.py b/synapse/rest/webclient.py
deleted file mode 100644
index 75a425c14c..0000000000
--- a/synapse/rest/webclient.py
+++ /dev/null
@@ -1,45 +0,0 @@
-# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
-#
-# 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.rest.base import RestServlet
-
-import logging
-import re
-
-logger = logging.getLogger(__name__)
-
-
-class WebClientRestServlet(RestServlet):
-    # No PATTERN; we have custom dispatch rules here
-
-    def register(self, http_server):
-        http_server.register_path("GET",
-                                  re.compile("^/$"),
-                                  self.on_GET_redirect)
-        http_server.register_path("GET",
-                                  re.compile("^/matrix/client$"),
-                                  self.on_GET)
-
-    def on_GET(self, request):
-        return (200, "not implemented")
-
-    def on_GET_redirect(self, request):
-        request.setHeader("Location", request.uri + "matrix/client")
-        return (302, None)
-
-
-def register_servlets(hs, http_server):
-    logger.info("Registering web client.")
-    WebClientRestServlet(hs).register(http_server)
\ No newline at end of file
diff --git a/synapse/server.py b/synapse/server.py
index 96830a88b1..0f7ac352ae 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -55,7 +55,6 @@ class BaseHomeServer(object):
 
     DEPENDENCIES = [
         'clock',
-        'http_server',
         'http_client',
         'db_pool',
         'persistence_service',
@@ -70,6 +69,9 @@ class BaseHomeServer(object):
         'room_lock_manager',
         'notifier',
         'distributor',
+        'resource_for_client',
+        'resource_for_federation',
+        'resource_for_web_client',
     ]
 
     def __init__(self, hostname, **kwargs):
@@ -135,7 +137,9 @@ class HomeServer(BaseHomeServer):
     required.
 
     It still requires the following to be specified by the caller:
-        http_server
+        resource_for_client
+        resource_for_web_client
+        resource_for_federation
         http_client
         db_pool
     """
@@ -178,9 +182,6 @@ class HomeServer(BaseHomeServer):
 
     def register_servlets(self):
         """ Register all servlets associated with this HomeServer.
-
-        Args:
-            host_web_client (bool): True to host the web client as well.
         """
         # Simply building the ServletFactory is sufficient to have it register
-        factory = self.get_rest_servlet_factory()
+        self.get_rest_servlet_factory()