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authorErik Johnston <erik@matrix.org>2015-01-30 14:08:28 +0000
committerErik Johnston <erik@matrix.org>2015-01-30 14:08:28 +0000
commite0b7c521cbe4d9aa4403a8e5394177a51c6d5d8f (patch)
treef84a3b1845ff2e6df699d69f3fbb99a2c1ed918b /synapse/rest/client/v1
parentMerge branch 'new_state_resolution' of github.com:matrix-org/synapse into rej... (diff)
parentWe do need Twisted 14, not 15: we use internal Twisted things that have been ... (diff)
downloadsynapse-e0b7c521cbe4d9aa4403a8e5394177a51c6d5d8f.tar.xz
Merge branch 'develop' of github.com:matrix-org/synapse into rejections_storage
Conflicts:
	synapse/storage/__init__.py
	synapse/storage/schema/delta/v12.sql
Diffstat (limited to 'synapse/rest/client/v1')
-rw-r--r--synapse/rest/client/v1/__init__.py44
-rw-r--r--synapse/rest/client/v1/admin.py49
-rw-r--r--synapse/rest/client/v1/base.py52
-rw-r--r--synapse/rest/client/v1/directory.py113
-rw-r--r--synapse/rest/client/v1/events.py87
-rw-r--r--synapse/rest/client/v1/initial_sync.py44
-rw-r--r--synapse/rest/client/v1/login.py109
-rw-r--r--synapse/rest/client/v1/presence.py146
-rw-r--r--synapse/rest/client/v1/profile.py114
-rw-r--r--synapse/rest/client/v1/push_rule.py401
-rw-r--r--synapse/rest/client/v1/pusher.py89
-rw-r--r--synapse/rest/client/v1/register.py291
-rw-r--r--synapse/rest/client/v1/room.py579
-rw-r--r--synapse/rest/client/v1/transactions.py95
-rw-r--r--synapse/rest/client/v1/voip.py60
15 files changed, 2273 insertions, 0 deletions
diff --git a/synapse/rest/client/v1/__init__.py b/synapse/rest/client/v1/__init__.py
new file mode 100644
index 0000000000..d8d01cdd16
--- /dev/null
+++ b/synapse/rest/client/v1/__init__.py
@@ -0,0 +1,44 @@
+# -*- 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 . import (
+    room, events, register, login, profile, presence, initial_sync, directory,
+    voip, admin, pusher, push_rule
+)
+
+from synapse.http.server import JsonResource
+
+
+class ClientV1RestResource(JsonResource):
+    """A resource for version 1 of the matrix client API."""
+
+    def __init__(self, hs):
+        JsonResource.__init__(self)
+        self.register_servlets(self, hs)
+
+    @staticmethod
+    def register_servlets(client_resource, hs):
+        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)
+        presence.register_servlets(hs, client_resource)
+        initial_sync.register_servlets(hs, client_resource)
+        directory.register_servlets(hs, client_resource)
+        voip.register_servlets(hs, client_resource)
+        admin.register_servlets(hs, client_resource)
+        pusher.register_servlets(hs, client_resource)
+        push_rule.register_servlets(hs, client_resource)
diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py
new file mode 100644
index 0000000000..2ce754b028
--- /dev/null
+++ b/synapse/rest/client/v1/admin.py
@@ -0,0 +1,49 @@
+# -*- 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 twisted.internet import defer
+
+from synapse.api.errors import AuthError, SynapseError
+from synapse.types import UserID
+
+from base import ClientV1RestServlet, client_path_pattern
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class WhoisRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/admin/whois/(?P<user_id>[^/]*)")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, user_id):
+        target_user = UserID.from_string(user_id)
+        auth_user, client = yield self.auth.get_user_by_req(request)
+        is_admin = yield self.auth.is_server_admin(auth_user)
+
+        if not is_admin and target_user != auth_user:
+            raise AuthError(403, "You are not a server admin")
+
+        if not self.hs.is_mine(target_user):
+            raise SynapseError(400, "Can only whois a local user")
+
+        ret = yield self.handlers.admin_handler.get_whois(target_user)
+
+        defer.returnValue((200, ret))
+
+
+def register_servlets(hs, http_server):
+    WhoisRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v1/base.py b/synapse/rest/client/v1/base.py
new file mode 100644
index 0000000000..72332bdb10
--- /dev/null
+++ b/synapse/rest/client/v1/base.py
@@ -0,0 +1,52 @@
+# -*- 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.
+
+"""This module contains base REST classes for constructing client v1 servlets.
+"""
+
+from synapse.http.servlet import RestServlet
+from synapse.api.urls import CLIENT_PREFIX
+from .transactions import HttpTransactionStore
+import re
+
+import logging
+
+
+logger = logging.getLogger(__name__)
+
+
+def client_path_pattern(path_regex):
+    """Creates a regex compiled client path with the correct client path
+    prefix.
+
+    Args:
+        path_regex (str): The regex string to match. This should NOT have a ^
+        as this will be prefixed.
+    Returns:
+        SRE_Pattern
+    """
+    return re.compile("^" + CLIENT_PREFIX + path_regex)
+
+
+class ClientV1RestServlet(RestServlet):
+    """A base Synapse REST Servlet for the client version 1 API.
+    """
+
+    def __init__(self, hs):
+        self.hs = hs
+        self.handlers = hs.get_handlers()
+        self.builder_factory = hs.get_event_builder_factory()
+        self.auth = hs.get_auth()
+        self.txns = HttpTransactionStore()
diff --git a/synapse/rest/client/v1/directory.py b/synapse/rest/client/v1/directory.py
new file mode 100644
index 0000000000..8f65efec5f
--- /dev/null
+++ b/synapse/rest/client/v1/directory.py
@@ -0,0 +1,113 @@
+# -*- 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 twisted.internet import defer
+
+from synapse.api.errors import AuthError, SynapseError, Codes
+from synapse.types import RoomAlias
+from .base import ClientV1RestServlet, client_path_pattern
+
+import json
+import logging
+
+
+logger = logging.getLogger(__name__)
+
+
+def register_servlets(hs, http_server):
+    ClientDirectoryServer(hs).register(http_server)
+
+
+class ClientDirectoryServer(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/directory/room/(?P<room_alias>[^/]*)$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_alias):
+        room_alias = RoomAlias.from_string(room_alias)
+
+        dir_handler = self.handlers.directory_handler
+        res = yield dir_handler.get_association(room_alias)
+
+        defer.returnValue((200, res))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_alias):
+        user, client = yield self.auth.get_user_by_req(request)
+
+        content = _parse_json(request)
+        if not "room_id" in content:
+            raise SynapseError(400, "Missing room_id key",
+                               errcode=Codes.BAD_JSON)
+
+        logger.debug("Got content: %s", content)
+
+        room_alias = RoomAlias.from_string(room_alias)
+
+        logger.debug("Got room name: %s", room_alias.to_string())
+
+        room_id = content["room_id"]
+        servers = content["servers"] if "servers" in content else None
+
+        logger.debug("Got room_id: %s", room_id)
+        logger.debug("Got servers: %s", servers)
+
+        # TODO(erikj): Check types.
+        # TODO(erikj): Check that room exists
+
+        dir_handler = self.handlers.directory_handler
+
+        try:
+            user_id = user.to_string()
+            yield dir_handler.create_association(
+                user_id, room_alias, room_id, servers
+            )
+            yield dir_handler.send_room_alias_update_event(user_id, room_id)
+        except SynapseError as e:
+            raise e
+        except:
+            logger.exception("Failed to create association")
+            raise
+
+        defer.returnValue((200, {}))
+
+    @defer.inlineCallbacks
+    def on_DELETE(self, request, room_alias):
+        user, client = yield self.auth.get_user_by_req(request)
+
+        is_admin = yield self.auth.is_server_admin(user)
+        if not is_admin:
+            raise AuthError(403, "You need to be a server admin")
+
+        dir_handler = self.handlers.directory_handler
+
+        room_alias = RoomAlias.from_string(room_alias)
+
+        yield dir_handler.delete_association(
+            user.to_string(), room_alias
+        )
+
+        defer.returnValue((200, {}))
+
+
+def _parse_json(request):
+    try:
+        content = json.loads(request.content.read())
+        if type(content) != dict:
+            raise SynapseError(400, "Content must be a JSON object.",
+                               errcode=Codes.NOT_JSON)
+        return content
+    except ValueError:
+        raise SynapseError(400, "Content not JSON.", errcode=Codes.NOT_JSON)
diff --git a/synapse/rest/client/v1/events.py b/synapse/rest/client/v1/events.py
new file mode 100644
index 0000000000..77b7c25a03
--- /dev/null
+++ b/synapse/rest/client/v1/events.py
@@ -0,0 +1,87 @@
+# -*- 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.
+
+"""This module contains REST servlets to do with event streaming, /events."""
+from twisted.internet import defer
+
+from synapse.api.errors import SynapseError
+from synapse.streams.config import PaginationConfig
+from .base import ClientV1RestServlet, client_path_pattern
+from synapse.events.utils import serialize_event
+
+import logging
+
+
+logger = logging.getLogger(__name__)
+
+
+class EventStreamRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/events$")
+
+    DEFAULT_LONGPOLL_TIME_MS = 30000
+
+    @defer.inlineCallbacks
+    def on_GET(self, request):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+        try:
+            handler = self.handlers.event_stream_handler
+            pagin_config = PaginationConfig.from_request(request)
+            timeout = EventStreamRestServlet.DEFAULT_LONGPOLL_TIME_MS
+            if "timeout" in request.args:
+                try:
+                    timeout = int(request.args["timeout"][0])
+                except ValueError:
+                    raise SynapseError(400, "timeout must be in milliseconds.")
+
+            as_client_event = "raw" not in request.args
+
+            chunk = yield handler.get_stream(
+                auth_user.to_string(), pagin_config, timeout=timeout,
+                as_client_event=as_client_event
+            )
+        except:
+            logger.exception("Event stream failed")
+            raise
+
+        defer.returnValue((200, chunk))
+
+    def on_OPTIONS(self, request):
+        return (200, {})
+
+
+# TODO: Unit test gets, with and without auth, with different kinds of events.
+class EventRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/events/(?P<event_id>[^/]*)$")
+
+    def __init__(self, hs):
+        super(EventRestServlet, self).__init__(hs)
+        self.clock = hs.get_clock()
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, event_id):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+        handler = self.handlers.event_handler
+        event = yield handler.get_event(auth_user, event_id)
+
+        time_now = self.clock.time_msec()
+        if event:
+            defer.returnValue((200, serialize_event(event, time_now)))
+        else:
+            defer.returnValue((404, "Event not found."))
+
+
+def register_servlets(hs, http_server):
+    EventStreamRestServlet(hs).register(http_server)
+    EventRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v1/initial_sync.py b/synapse/rest/client/v1/initial_sync.py
new file mode 100644
index 0000000000..4a259bba64
--- /dev/null
+++ b/synapse/rest/client/v1/initial_sync.py
@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014, 2015 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from twisted.internet import defer
+
+from synapse.streams.config import PaginationConfig
+from base import ClientV1RestServlet, client_path_pattern
+
+
+# TODO: Needs unit testing
+class InitialSyncRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/initialSync$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request):
+        user, client = yield self.auth.get_user_by_req(request)
+        with_feedback = "feedback" in request.args
+        as_client_event = "raw" not in request.args
+        pagination_config = PaginationConfig.from_request(request)
+        handler = self.handlers.message_handler
+        content = yield handler.snapshot_all_rooms(
+            user_id=user.to_string(),
+            pagin_config=pagination_config,
+            feedback=with_feedback,
+            as_client_event=as_client_event
+        )
+
+        defer.returnValue((200, content))
+
+
+def register_servlets(hs, http_server):
+    InitialSyncRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v1/login.py b/synapse/rest/client/v1/login.py
new file mode 100644
index 0000000000..7116ac98e8
--- /dev/null
+++ b/synapse/rest/client/v1/login.py
@@ -0,0 +1,109 @@
+# -*- 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 twisted.internet import defer
+
+from synapse.api.errors import SynapseError
+from synapse.types import UserID
+from base import ClientV1RestServlet, client_path_pattern
+
+import json
+
+
+class LoginRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/login$")
+    PASS_TYPE = "m.login.password"
+
+    def on_GET(self, request):
+        return (200, {"flows": [{"type": LoginRestServlet.PASS_TYPE}]})
+
+    def on_OPTIONS(self, request):
+        return (200, {})
+
+    @defer.inlineCallbacks
+    def on_POST(self, request):
+        login_submission = _parse_json(request)
+        try:
+            if login_submission["type"] == LoginRestServlet.PASS_TYPE:
+                result = yield self.do_password_login(login_submission)
+                defer.returnValue(result)
+            else:
+                raise SynapseError(400, "Bad login type.")
+        except KeyError:
+            raise SynapseError(400, "Missing JSON keys.")
+
+    @defer.inlineCallbacks
+    def do_password_login(self, login_submission):
+        if not login_submission["user"].startswith('@'):
+            login_submission["user"] = UserID.create(
+                login_submission["user"], self.hs.hostname).to_string()
+
+        handler = self.handlers.login_handler
+        token = yield handler.login(
+            user=login_submission["user"],
+            password=login_submission["password"])
+
+        result = {
+            "user_id": login_submission["user"],  # may have changed
+            "access_token": token,
+            "home_server": self.hs.hostname,
+        }
+
+        defer.returnValue((200, result))
+
+
+class LoginFallbackRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/login/fallback$")
+
+    def on_GET(self, request):
+        # TODO(kegan): This should be returning some HTML which is capable of
+        # hitting LoginRestServlet
+        return (200, {})
+
+
+class PasswordResetRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/login/reset")
+
+    @defer.inlineCallbacks
+    def on_POST(self, request):
+        reset_info = _parse_json(request)
+        try:
+            email = reset_info["email"]
+            user_id = reset_info["user_id"]
+            handler = self.handlers.login_handler
+            yield handler.reset_password(user_id, email)
+            # purposefully give no feedback to avoid people hammering different
+            # combinations.
+            defer.returnValue((200, {}))
+        except KeyError:
+            raise SynapseError(
+                400,
+                "Missing keys. Requires 'email' and 'user_id'."
+            )
+
+
+def _parse_json(request):
+    try:
+        content = json.loads(request.content.read())
+        if type(content) != dict:
+            raise SynapseError(400, "Content must be a JSON object.")
+        return content
+    except ValueError:
+        raise SynapseError(400, "Content not JSON.")
+
+
+def register_servlets(hs, http_server):
+    LoginRestServlet(hs).register(http_server)
+    # TODO PasswordResetRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v1/presence.py b/synapse/rest/client/v1/presence.py
new file mode 100644
index 0000000000..7feb4aadb1
--- /dev/null
+++ b/synapse/rest/client/v1/presence.py
@@ -0,0 +1,146 @@
+# -*- 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.
+
+""" This module contains REST servlets to do with presence: /presence/<paths>
+"""
+from twisted.internet import defer
+
+from synapse.api.errors import SynapseError
+from synapse.types import UserID
+from .base import ClientV1RestServlet, client_path_pattern
+
+import json
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class PresenceStatusRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/presence/(?P<user_id>[^/]*)/status")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, user_id):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+        user = UserID.from_string(user_id)
+
+        state = yield self.handlers.presence_handler.get_state(
+            target_user=user, auth_user=auth_user)
+
+        defer.returnValue((200, state))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, user_id):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+        user = UserID.from_string(user_id)
+
+        state = {}
+        try:
+            content = json.loads(request.content.read())
+
+            state["presence"] = content.pop("presence")
+
+            if "status_msg" in content:
+                state["status_msg"] = content.pop("status_msg")
+                if not isinstance(state["status_msg"], basestring):
+                    raise SynapseError(400, "status_msg must be a string.")
+
+            if content:
+                raise KeyError()
+        except SynapseError as e:
+            raise e
+        except:
+            raise SynapseError(400, "Unable to parse state")
+
+        yield self.handlers.presence_handler.set_state(
+            target_user=user, auth_user=auth_user, state=state)
+
+        defer.returnValue((200, {}))
+
+    def on_OPTIONS(self, request):
+        return (200, {})
+
+
+class PresenceListRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/presence/list/(?P<user_id>[^/]*)")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, user_id):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+        user = UserID.from_string(user_id)
+
+        if not self.hs.is_mine(user):
+            raise SynapseError(400, "User not hosted on this Home Server")
+
+        if auth_user != user:
+            raise SynapseError(400, "Cannot get another user's presence list")
+
+        presence = yield self.handlers.presence_handler.get_presence_list(
+            observer_user=user, accepted=True)
+
+        for p in presence:
+            observed_user = p.pop("observed_user")
+            p["user_id"] = observed_user.to_string()
+
+        defer.returnValue((200, presence))
+
+    @defer.inlineCallbacks
+    def on_POST(self, request, user_id):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+        user = UserID.from_string(user_id)
+
+        if not self.hs.is_mine(user):
+            raise SynapseError(400, "User not hosted on this Home Server")
+
+        if auth_user != user:
+            raise SynapseError(
+                400, "Cannot modify another user's presence list")
+
+        try:
+            content = json.loads(request.content.read())
+        except:
+            logger.exception("JSON parse error")
+            raise SynapseError(400, "Unable to parse content")
+
+        if "invite" in content:
+            for u in content["invite"]:
+                if not isinstance(u, basestring):
+                    raise SynapseError(400, "Bad invite value.")
+                if len(u) == 0:
+                    continue
+                invited_user = UserID.from_string(u)
+                yield self.handlers.presence_handler.send_invite(
+                    observer_user=user, observed_user=invited_user
+                )
+
+        if "drop" in content:
+            for u in content["drop"]:
+                if not isinstance(u, basestring):
+                    raise SynapseError(400, "Bad drop value.")
+                if len(u) == 0:
+                    continue
+                dropped_user = UserID.from_string(u)
+                yield self.handlers.presence_handler.drop(
+                    observer_user=user, observed_user=dropped_user
+                )
+
+        defer.returnValue((200, {}))
+
+    def on_OPTIONS(self, request):
+        return (200, {})
+
+
+def register_servlets(hs, http_server):
+    PresenceStatusRestServlet(hs).register(http_server)
+    PresenceListRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v1/profile.py b/synapse/rest/client/v1/profile.py
new file mode 100644
index 0000000000..15d6f3fc6c
--- /dev/null
+++ b/synapse/rest/client/v1/profile.py
@@ -0,0 +1,114 @@
+# -*- 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.
+
+""" This module contains REST servlets to do with profile: /profile/<paths> """
+from twisted.internet import defer
+
+from .base import ClientV1RestServlet, client_path_pattern
+from synapse.types import UserID
+
+import json
+
+
+class ProfileDisplaynameRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/profile/(?P<user_id>[^/]*)/displayname")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, user_id):
+        user = UserID.from_string(user_id)
+
+        displayname = yield self.handlers.profile_handler.get_displayname(
+            user,
+        )
+
+        defer.returnValue((200, {"displayname": displayname}))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, user_id):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+        user = UserID.from_string(user_id)
+
+        try:
+            content = json.loads(request.content.read())
+            new_name = content["displayname"]
+        except:
+            defer.returnValue((400, "Unable to parse name"))
+
+        yield self.handlers.profile_handler.set_displayname(
+            user, auth_user, new_name)
+
+        defer.returnValue((200, {}))
+
+    def on_OPTIONS(self, request, user_id):
+        return (200, {})
+
+
+class ProfileAvatarURLRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/profile/(?P<user_id>[^/]*)/avatar_url")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, user_id):
+        user = UserID.from_string(user_id)
+
+        avatar_url = yield self.handlers.profile_handler.get_avatar_url(
+            user,
+        )
+
+        defer.returnValue((200, {"avatar_url": avatar_url}))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, user_id):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+        user = UserID.from_string(user_id)
+
+        try:
+            content = json.loads(request.content.read())
+            new_name = content["avatar_url"]
+        except:
+            defer.returnValue((400, "Unable to parse name"))
+
+        yield self.handlers.profile_handler.set_avatar_url(
+            user, auth_user, new_name)
+
+        defer.returnValue((200, {}))
+
+    def on_OPTIONS(self, request, user_id):
+        return (200, {})
+
+
+class ProfileRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/profile/(?P<user_id>[^/]*)")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, user_id):
+        user = UserID.from_string(user_id)
+
+        displayname = yield self.handlers.profile_handler.get_displayname(
+            user,
+        )
+        avatar_url = yield self.handlers.profile_handler.get_avatar_url(
+            user,
+        )
+
+        defer.returnValue((200, {
+            "displayname": displayname,
+            "avatar_url": avatar_url
+        }))
+
+
+def register_servlets(hs, http_server):
+    ProfileDisplaynameRestServlet(hs).register(http_server)
+    ProfileAvatarURLRestServlet(hs).register(http_server)
+    ProfileRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v1/push_rule.py b/synapse/rest/client/v1/push_rule.py
new file mode 100644
index 0000000000..0f78fa667c
--- /dev/null
+++ b/synapse/rest/client/v1/push_rule.py
@@ -0,0 +1,401 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 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 twisted.internet import defer
+
+from synapse.api.errors import SynapseError, Codes, UnrecognizedRequestError, NotFoundError, \
+    StoreError
+from .base import ClientV1RestServlet, client_path_pattern
+from synapse.storage.push_rule import InconsistentRuleException, RuleNotFoundException
+
+import json
+
+
+class PushRuleRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/pushrules/.*$")
+    PRIORITY_CLASS_MAP = {
+        'underride': 1,
+        'sender': 2,
+        'room': 3,
+        'content': 4,
+        'override': 5,
+    }
+    PRIORITY_CLASS_INVERSE_MAP = {v: k for k, v in PRIORITY_CLASS_MAP.items()}
+    SLIGHTLY_PEDANTIC_TRAILING_SLASH_ERROR = (
+        "Unrecognised request: You probably wanted a trailing slash")
+
+    def rule_spec_from_path(self, path):
+        if len(path) < 2:
+            raise UnrecognizedRequestError()
+        if path[0] != 'pushrules':
+            raise UnrecognizedRequestError()
+
+        scope = path[1]
+        path = path[2:]
+        if scope not in ['global', 'device']:
+            raise UnrecognizedRequestError()
+
+        device = None
+        if scope == 'device':
+            if len(path) == 0:
+                raise UnrecognizedRequestError()
+            device = path[0]
+            path = path[1:]
+
+        if len(path) == 0:
+            raise UnrecognizedRequestError()
+
+        template = path[0]
+        path = path[1:]
+
+        if len(path) == 0:
+            raise UnrecognizedRequestError()
+
+        rule_id = path[0]
+
+        spec = {
+            'scope': scope,
+            'template': template,
+            'rule_id': rule_id
+        }
+        if device:
+            spec['device'] = device
+        return spec
+
+    def rule_tuple_from_request_object(self, rule_template, rule_id, req_obj, device=None):
+        if rule_template in ['override', 'underride']:
+            if 'conditions' not in req_obj:
+                raise InvalidRuleException("Missing 'conditions'")
+            conditions = req_obj['conditions']
+            for c in conditions:
+                if 'kind' not in c:
+                    raise InvalidRuleException("Condition without 'kind'")
+        elif rule_template == 'room':
+            conditions = [{
+                'kind': 'event_match',
+                'key': 'room_id',
+                'pattern': rule_id
+            }]
+        elif rule_template == 'sender':
+            conditions = [{
+                'kind': 'event_match',
+                'key': 'user_id',
+                'pattern': rule_id
+            }]
+        elif rule_template == 'content':
+            if 'pattern' not in req_obj:
+                raise InvalidRuleException("Content rule missing 'pattern'")
+            pat = req_obj['pattern']
+            if pat.strip("*?[]") == pat:
+                # no special glob characters so we assume the user means
+                # 'contains this string' rather than 'is this string'
+                pat = "*%s*" % (pat,)
+            conditions = [{
+                'kind': 'event_match',
+                'key': 'content.body',
+                'pattern': pat
+            }]
+        else:
+            raise InvalidRuleException("Unknown rule template: %s" % (rule_template,))
+
+        if device:
+            conditions.append({
+                'kind': 'device',
+                'instance_handle': device
+            })
+
+        if 'actions' not in req_obj:
+            raise InvalidRuleException("No actions found")
+        actions = req_obj['actions']
+
+        for a in actions:
+            if a in ['notify', 'dont_notify', 'coalesce']:
+                pass
+            elif isinstance(a, dict) and 'set_sound' in a:
+                pass
+            else:
+                raise InvalidRuleException("Unrecognised action")
+
+        return conditions, actions
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request):
+        spec = self.rule_spec_from_path(request.postpath)
+        try:
+            priority_class = _priority_class_from_spec(spec)
+        except InvalidRuleException as e:
+            raise SynapseError(400, e.message)
+
+        user, _ = yield self.auth.get_user_by_req(request)
+
+        content = _parse_json(request)
+
+        try:
+            (conditions, actions) = self.rule_tuple_from_request_object(
+                spec['template'],
+                spec['rule_id'],
+                content,
+                device=spec['device'] if 'device' in spec else None
+            )
+        except InvalidRuleException as e:
+            raise SynapseError(400, e.message)
+
+        before = request.args.get("before", None)
+        if before and len(before):
+            before = before[0]
+        after = request.args.get("after", None)
+        if after and len(after):
+            after = after[0]
+
+        try:
+            yield self.hs.get_datastore().add_push_rule(
+                user_name=user.to_string(),
+                rule_id=spec['rule_id'],
+                priority_class=priority_class,
+                conditions=conditions,
+                actions=actions,
+                before=before,
+                after=after
+            )
+        except InconsistentRuleException as e:
+            raise SynapseError(400, e.message)
+        except RuleNotFoundException as e:
+            raise SynapseError(400, e.message)
+
+        defer.returnValue((200, {}))
+
+    @defer.inlineCallbacks
+    def on_DELETE(self, request):
+        spec = self.rule_spec_from_path(request.postpath)
+        try:
+            priority_class = _priority_class_from_spec(spec)
+        except InvalidRuleException as e:
+            raise SynapseError(400, e.message)
+
+        user, _ = yield self.auth.get_user_by_req(request)
+
+        if 'device' in spec:
+            rules = yield self.hs.get_datastore().get_push_rules_for_user_name(
+                user.to_string()
+            )
+
+            for r in rules:
+                conditions = json.loads(r['conditions'])
+                ih = _instance_handle_from_conditions(conditions)
+                if ih == spec['device'] and r['priority_class'] == priority_class:
+                    yield self.hs.get_datastore().delete_push_rule(
+                        user.to_string(), spec['rule_id']
+                    )
+                    defer.returnValue((200, {}))
+            raise NotFoundError()
+        else:
+            try:
+                yield self.hs.get_datastore().delete_push_rule(
+                    user.to_string(), spec['rule_id'],
+                    priority_class=priority_class
+                )
+                defer.returnValue((200, {}))
+            except StoreError as e:
+                if e.code == 404:
+                    raise NotFoundError()
+                else:
+                    raise
+
+    @defer.inlineCallbacks
+    def on_GET(self, request):
+        user, _ = yield self.auth.get_user_by_req(request)
+
+        # we build up the full structure and then decide which bits of it
+        # to send which means doing unnecessary work sometimes but is
+        # is probably not going to make a whole lot of difference
+        rawrules = yield self.hs.get_datastore().get_push_rules_for_user_name(user.to_string())
+
+        rules = {'global': {}, 'device': {}}
+
+        rules['global'] = _add_empty_priority_class_arrays(rules['global'])
+
+        for r in rawrules:
+            rulearray = None
+
+            r["conditions"] = json.loads(r["conditions"])
+            r["actions"] = json.loads(r["actions"])
+
+            template_name = _priority_class_to_template_name(r['priority_class'])
+
+            if r['priority_class'] > PushRuleRestServlet.PRIORITY_CLASS_MAP['override']:
+                # per-device rule
+                instance_handle = _instance_handle_from_conditions(r["conditions"])
+                r = _strip_device_condition(r)
+                if not instance_handle:
+                    continue
+                if instance_handle not in rules['device']:
+                    rules['device'][instance_handle] = {}
+                    rules['device'][instance_handle] = (
+                        _add_empty_priority_class_arrays(
+                            rules['device'][instance_handle]
+                        )
+                    )
+
+                rulearray = rules['device'][instance_handle][template_name]
+            else:
+                rulearray = rules['global'][template_name]
+
+            template_rule = _rule_to_template(r)
+            if template_rule:
+                rulearray.append(template_rule)
+
+        path = request.postpath[1:]
+
+        if path == []:
+            # we're a reference impl: pedantry is our job.
+            raise UnrecognizedRequestError(
+                PushRuleRestServlet.SLIGHTLY_PEDANTIC_TRAILING_SLASH_ERROR
+            )
+
+        if path[0] == '':
+            defer.returnValue((200, rules))
+        elif path[0] == 'global':
+            path = path[1:]
+            result = _filter_ruleset_with_path(rules['global'], path)
+            defer.returnValue((200, result))
+        elif path[0] == 'device':
+            path = path[1:]
+            if path == []:
+                raise UnrecognizedRequestError(
+                    PushRuleRestServlet.SLIGHTLY_PEDANTIC_TRAILING_SLASH_ERROR
+                )
+            if path[0] == '':
+                defer.returnValue((200, rules['device']))
+
+            instance_handle = path[0]
+            path = path[1:]
+            if instance_handle not in rules['device']:
+                ret = {}
+                ret = _add_empty_priority_class_arrays(ret)
+                defer.returnValue((200, ret))
+            ruleset = rules['device'][instance_handle]
+            result = _filter_ruleset_with_path(ruleset, path)
+            defer.returnValue((200, result))
+        else:
+            raise UnrecognizedRequestError()
+
+    def on_OPTIONS(self, _):
+        return 200, {}
+
+
+def _add_empty_priority_class_arrays(d):
+    for pc in PushRuleRestServlet.PRIORITY_CLASS_MAP.keys():
+        d[pc] = []
+    return d
+
+
+def _instance_handle_from_conditions(conditions):
+    """
+    Given a list of conditions, return the instance handle of the
+    device rule if there is one
+    """
+    for c in conditions:
+        if c['kind'] == 'device':
+            return c['instance_handle']
+    return None
+
+
+def _filter_ruleset_with_path(ruleset, path):
+    if path == []:
+        raise UnrecognizedRequestError(
+            PushRuleRestServlet.SLIGHTLY_PEDANTIC_TRAILING_SLASH_ERROR
+        )
+
+    if path[0] == '':
+        return ruleset
+    template_kind = path[0]
+    if template_kind not in ruleset:
+        raise UnrecognizedRequestError()
+    path = path[1:]
+    if path == []:
+        raise UnrecognizedRequestError(
+            PushRuleRestServlet.SLIGHTLY_PEDANTIC_TRAILING_SLASH_ERROR
+        )
+    if path[0] == '':
+        return ruleset[template_kind]
+    rule_id = path[0]
+    for r in ruleset[template_kind]:
+        if r['rule_id'] == rule_id:
+            return r
+    raise NotFoundError
+
+
+def _priority_class_from_spec(spec):
+    if spec['template'] not in PushRuleRestServlet.PRIORITY_CLASS_MAP.keys():
+        raise InvalidRuleException("Unknown template: %s" % (spec['kind']))
+    pc = PushRuleRestServlet.PRIORITY_CLASS_MAP[spec['template']]
+
+    if spec['scope'] == 'device':
+        pc += len(PushRuleRestServlet.PRIORITY_CLASS_MAP)
+
+    return pc
+
+
+def _priority_class_to_template_name(pc):
+    if pc > PushRuleRestServlet.PRIORITY_CLASS_MAP['override']:
+        # per-device
+        prio_class_index = pc - len(PushRuleRestServlet.PRIORITY_CLASS_MAP)
+        return PushRuleRestServlet.PRIORITY_CLASS_INVERSE_MAP[prio_class_index]
+    else:
+        return PushRuleRestServlet.PRIORITY_CLASS_INVERSE_MAP[pc]
+
+
+def _rule_to_template(rule):
+    template_name = _priority_class_to_template_name(rule['priority_class'])
+    if template_name in ['override', 'underride']:
+        return {k: rule[k] for k in ["rule_id", "conditions", "actions"]}
+    elif template_name in ["sender", "room"]:
+        return {k: rule[k] for k in ["rule_id", "actions"]}
+    elif template_name == 'content':
+        if len(rule["conditions"]) != 1:
+            return None
+        thecond = rule["conditions"][0]
+        if "pattern" not in thecond:
+            return None
+        ret = {k: rule[k] for k in ["rule_id", "actions"]}
+        ret["pattern"] = thecond["pattern"]
+        return ret
+
+
+def _strip_device_condition(rule):
+    for i, c in enumerate(rule['conditions']):
+        if c['kind'] == 'device':
+            del rule['conditions'][i]
+    return rule
+
+
+class InvalidRuleException(Exception):
+    pass
+
+
+# XXX: C+ped from rest/room.py - surely this should be common?
+def _parse_json(request):
+    try:
+        content = json.loads(request.content.read())
+        if type(content) != dict:
+            raise SynapseError(400, "Content must be a JSON object.",
+                               errcode=Codes.NOT_JSON)
+        return content
+    except ValueError:
+        raise SynapseError(400, "Content not JSON.", errcode=Codes.NOT_JSON)
+
+
+def register_servlets(hs, http_server):
+    PushRuleRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v1/pusher.py b/synapse/rest/client/v1/pusher.py
new file mode 100644
index 0000000000..353a4a6589
--- /dev/null
+++ b/synapse/rest/client/v1/pusher.py
@@ -0,0 +1,89 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 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 twisted.internet import defer
+
+from synapse.api.errors import SynapseError, Codes
+from synapse.push import PusherConfigException
+from .base import ClientV1RestServlet, client_path_pattern
+
+import json
+
+
+class PusherRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/pushers/set$")
+
+    @defer.inlineCallbacks
+    def on_POST(self, request):
+        user, _ = yield self.auth.get_user_by_req(request)
+
+        content = _parse_json(request)
+
+        pusher_pool = self.hs.get_pusherpool()
+
+        if ('pushkey' in content and 'app_id' in content
+                    and 'kind' in content and
+                    content['kind'] is None):
+            yield pusher_pool.remove_pusher(
+                content['app_id'], content['pushkey']
+            )
+            defer.returnValue((200, {}))
+
+        reqd = ['instance_handle', 'kind', 'app_id', 'app_display_name',
+                'device_display_name', 'pushkey', 'lang', 'data']
+        missing = []
+        for i in reqd:
+            if i not in content:
+                missing.append(i)
+        if len(missing):
+            raise SynapseError(400, "Missing parameters: "+','.join(missing),
+                               errcode=Codes.MISSING_PARAM)
+
+        try:
+            yield pusher_pool.add_pusher(
+                user_name=user.to_string(),
+                instance_handle=content['instance_handle'],
+                kind=content['kind'],
+                app_id=content['app_id'],
+                app_display_name=content['app_display_name'],
+                device_display_name=content['device_display_name'],
+                pushkey=content['pushkey'],
+                lang=content['lang'],
+                data=content['data']
+            )
+        except PusherConfigException as pce:
+            raise SynapseError(400, "Config Error: "+pce.message,
+                               errcode=Codes.MISSING_PARAM)
+
+        defer.returnValue((200, {}))
+
+    def on_OPTIONS(self, _):
+        return 200, {}
+
+
+# XXX: C+ped from rest/room.py - surely this should be common?
+def _parse_json(request):
+    try:
+        content = json.loads(request.content.read())
+        if type(content) != dict:
+            raise SynapseError(400, "Content must be a JSON object.",
+                               errcode=Codes.NOT_JSON)
+        return content
+    except ValueError:
+        raise SynapseError(400, "Content not JSON.", errcode=Codes.NOT_JSON)
+
+
+def register_servlets(hs, http_server):
+    PusherRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v1/register.py b/synapse/rest/client/v1/register.py
new file mode 100644
index 0000000000..c0423c2d45
--- /dev/null
+++ b/synapse/rest/client/v1/register.py
@@ -0,0 +1,291 @@
+# -*- 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.
+
+"""This module contains REST servlets to do with registration: /register"""
+from twisted.internet import defer
+
+from synapse.api.errors import SynapseError, Codes
+from synapse.api.constants import LoginType
+from base import ClientV1RestServlet, client_path_pattern
+import synapse.util.stringutils as stringutils
+
+from synapse.util.async import run_on_reactor
+
+from hashlib import sha1
+import hmac
+import json
+import logging
+import urllib
+
+logger = logging.getLogger(__name__)
+
+
+# We ought to be using hmac.compare_digest() but on older pythons it doesn't
+# exist. It's a _really minor_ security flaw to use plain string comparison
+# because the timing attack is so obscured by all the other code here it's
+# unlikely to make much difference
+if hasattr(hmac, "compare_digest"):
+    compare_digest = hmac.compare_digest
+else:
+    compare_digest = lambda a, b: a == b
+
+
+class RegisterRestServlet(ClientV1RestServlet):
+    """Handles registration with the home server.
+
+    This servlet is in control of the registration flow; the registration
+    handler doesn't have a concept of multi-stages or sessions.
+    """
+
+    PATTERN = client_path_pattern("/register$")
+
+    def __init__(self, hs):
+        super(RegisterRestServlet, self).__init__(hs)
+        # sessions are stored as:
+        # self.sessions = {
+        #   "session_id" : { __session_dict__ }
+        # }
+        # TODO: persistent storage
+        self.sessions = {}
+
+    def on_GET(self, request):
+        if self.hs.config.enable_registration_captcha:
+            return (
+                200,
+                {"flows": [
+                    {
+                        "type": LoginType.RECAPTCHA,
+                        "stages": [
+                            LoginType.RECAPTCHA,
+                            LoginType.EMAIL_IDENTITY,
+                            LoginType.PASSWORD
+                        ]
+                    },
+                    {
+                        "type": LoginType.RECAPTCHA,
+                        "stages": [LoginType.RECAPTCHA, LoginType.PASSWORD]
+                    }
+                ]}
+            )
+        else:
+            return (
+                200,
+                {"flows": [
+                    {
+                        "type": LoginType.EMAIL_IDENTITY,
+                        "stages": [
+                            LoginType.EMAIL_IDENTITY, LoginType.PASSWORD
+                        ]
+                    },
+                    {
+                        "type": LoginType.PASSWORD
+                    }
+                ]}
+            )
+
+    @defer.inlineCallbacks
+    def on_POST(self, request):
+        register_json = _parse_json(request)
+
+        session = (register_json["session"]
+                   if "session" in register_json else None)
+        login_type = None
+        if "type" not in register_json:
+            raise SynapseError(400, "Missing 'type' key.")
+
+        try:
+            login_type = register_json["type"]
+            stages = {
+                LoginType.RECAPTCHA: self._do_recaptcha,
+                LoginType.PASSWORD: self._do_password,
+                LoginType.EMAIL_IDENTITY: self._do_email_identity
+            }
+
+            session_info = self._get_session_info(request, session)
+            logger.debug("%s : session info %s   request info %s",
+                         login_type, session_info, register_json)
+            response = yield stages[login_type](
+                request,
+                register_json,
+                session_info
+            )
+
+            if "access_token" not in response:
+                # isn't a final response
+                response["session"] = session_info["id"]
+
+            defer.returnValue((200, response))
+        except KeyError as e:
+            logger.exception(e)
+            raise SynapseError(400, "Missing JSON keys for login type %s." % (
+                login_type,
+            ))
+
+    def on_OPTIONS(self, request):
+        return (200, {})
+
+    def _get_session_info(self, request, session_id):
+        if not session_id:
+            # create a new session
+            while session_id is None or session_id in self.sessions:
+                session_id = stringutils.random_string(24)
+            self.sessions[session_id] = {
+                "id": session_id,
+                LoginType.EMAIL_IDENTITY: False,
+                LoginType.RECAPTCHA: False
+            }
+
+        return self.sessions[session_id]
+
+    def _save_session(self, session):
+        # TODO: Persistent storage
+        logger.debug("Saving session %s", session)
+        self.sessions[session["id"]] = session
+
+    def _remove_session(self, session):
+        logger.debug("Removing session %s", session)
+        self.sessions.pop(session["id"])
+
+    @defer.inlineCallbacks
+    def _do_recaptcha(self, request, register_json, session):
+        if not self.hs.config.enable_registration_captcha:
+            raise SynapseError(400, "Captcha not required.")
+
+        yield self._check_recaptcha(request, register_json, session)
+
+        session[LoginType.RECAPTCHA] = True  # mark captcha as done
+        self._save_session(session)
+        defer.returnValue({
+            "next": [LoginType.PASSWORD, LoginType.EMAIL_IDENTITY]
+        })
+
+    @defer.inlineCallbacks
+    def _check_recaptcha(self, request, register_json, session):
+        if ("captcha_bypass_hmac" in register_json and
+                self.hs.config.captcha_bypass_secret):
+            if "user" not in register_json:
+                raise SynapseError(400, "Captcha bypass needs 'user'")
+
+            want = hmac.new(
+                key=self.hs.config.captcha_bypass_secret,
+                msg=register_json["user"],
+                digestmod=sha1,
+            ).hexdigest()
+
+            # str() because otherwise hmac complains that 'unicode' does not
+            # have the buffer interface
+            got = str(register_json["captcha_bypass_hmac"])
+
+            if compare_digest(want, got):
+                session["user"] = register_json["user"]
+                defer.returnValue(None)
+            else:
+                raise SynapseError(
+                    400, "Captcha bypass HMAC incorrect",
+                    errcode=Codes.CAPTCHA_NEEDED
+                )
+
+        challenge = None
+        user_response = None
+        try:
+            challenge = register_json["challenge"]
+            user_response = register_json["response"]
+        except KeyError:
+            raise SynapseError(400, "Captcha response is required",
+                               errcode=Codes.CAPTCHA_NEEDED)
+
+        ip_addr = self.hs.get_ip_from_request(request)
+
+        handler = self.handlers.registration_handler
+        yield handler.check_recaptcha(
+            ip_addr,
+            self.hs.config.recaptcha_private_key,
+            challenge,
+            user_response
+        )
+
+    @defer.inlineCallbacks
+    def _do_email_identity(self, request, register_json, session):
+        if (self.hs.config.enable_registration_captcha and
+                not session[LoginType.RECAPTCHA]):
+            raise SynapseError(400, "Captcha is required.")
+
+        threepidCreds = register_json['threepidCreds']
+        handler = self.handlers.registration_handler
+        logger.debug("Registering email. threepidcreds: %s" % (threepidCreds))
+        yield handler.register_email(threepidCreds)
+        session["threepidCreds"] = threepidCreds  # store creds for next stage
+        session[LoginType.EMAIL_IDENTITY] = True  # mark email as done
+        self._save_session(session)
+        defer.returnValue({
+            "next": LoginType.PASSWORD
+        })
+
+    @defer.inlineCallbacks
+    def _do_password(self, request, register_json, session):
+        yield run_on_reactor()
+        if (self.hs.config.enable_registration_captcha and
+                not session[LoginType.RECAPTCHA]):
+            # captcha should've been done by this stage!
+            raise SynapseError(400, "Captcha is required.")
+
+        if ("user" in session and "user" in register_json and
+                session["user"] != register_json["user"]):
+            raise SynapseError(
+                400, "Cannot change user ID during registration"
+            )
+
+        password = register_json["password"].encode("utf-8")
+        desired_user_id = (register_json["user"].encode("utf-8")
+                           if "user" in register_json else None)
+        if (desired_user_id
+                and urllib.quote(desired_user_id) != desired_user_id):
+            raise SynapseError(
+                400,
+                "User ID must only contain characters which do not " +
+                "require URL encoding.")
+        handler = self.handlers.registration_handler
+        (user_id, token) = yield handler.register(
+            localpart=desired_user_id,
+            password=password
+        )
+
+        if session[LoginType.EMAIL_IDENTITY]:
+            logger.debug("Binding emails %s to %s" % (
+                session["threepidCreds"], user_id)
+            )
+            yield handler.bind_emails(user_id, session["threepidCreds"])
+
+        result = {
+            "user_id": user_id,
+            "access_token": token,
+            "home_server": self.hs.hostname,
+        }
+        self._remove_session(session)
+        defer.returnValue(result)
+
+
+def _parse_json(request):
+    try:
+        content = json.loads(request.content.read())
+        if type(content) != dict:
+            raise SynapseError(400, "Content must be a JSON object.")
+        return content
+    except ValueError:
+        raise SynapseError(400, "Content not JSON.")
+
+
+def register_servlets(hs, http_server):
+    RegisterRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
new file mode 100644
index 0000000000..410f19ccf6
--- /dev/null
+++ b/synapse/rest/client/v1/room.py
@@ -0,0 +1,579 @@
+# -*- 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.
+
+""" This module contains REST servlets to do with rooms: /rooms/<paths> """
+from twisted.internet import defer
+
+from base import ClientV1RestServlet, client_path_pattern
+from synapse.api.errors import SynapseError, Codes
+from synapse.streams.config import PaginationConfig
+from synapse.api.constants import EventTypes, Membership
+from synapse.types import UserID, RoomID, RoomAlias
+from synapse.events.utils import serialize_event
+
+import json
+import logging
+import urllib
+
+
+logger = logging.getLogger(__name__)
+
+
+class RoomCreateRestServlet(ClientV1RestServlet):
+    # No PATTERN; we have custom dispatch rules here
+
+    def register(self, http_server):
+        PATTERN = "/createRoom"
+        register_txn_path(self, PATTERN, http_server)
+        # define CORS for all of /rooms in RoomCreateRestServlet for simplicity
+        http_server.register_path("OPTIONS",
+                                  client_path_pattern("/rooms(?:/.*)?$"),
+                                  self.on_OPTIONS)
+        # define CORS for /createRoom[/txnid]
+        http_server.register_path("OPTIONS",
+                                  client_path_pattern("/createRoom(?:/.*)?$"),
+                                  self.on_OPTIONS)
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, txn_id):
+        try:
+            defer.returnValue(
+                self.txns.get_client_transaction(request, txn_id)
+            )
+        except KeyError:
+            pass
+
+        response = yield self.on_POST(request)
+
+        self.txns.store_client_transaction(request, txn_id, response)
+        defer.returnValue(response)
+
+    @defer.inlineCallbacks
+    def on_POST(self, request):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+
+        room_config = self.get_room_config(request)
+        info = yield self.make_room(room_config, auth_user, None)
+        room_config.update(info)
+        defer.returnValue((200, info))
+
+    @defer.inlineCallbacks
+    def make_room(self, room_config, auth_user, room_id):
+        handler = self.handlers.room_creation_handler
+        info = yield handler.create_room(
+            user_id=auth_user.to_string(),
+            room_id=room_id,
+            config=room_config
+        )
+        defer.returnValue(info)
+
+    def get_room_config(self, request):
+        try:
+            user_supplied_config = json.loads(request.content.read())
+            if "visibility" not in user_supplied_config:
+                # default visibility
+                user_supplied_config["visibility"] = "public"
+            return user_supplied_config
+        except (ValueError, TypeError):
+            raise SynapseError(400, "Body must be JSON.",
+                               errcode=Codes.BAD_JSON)
+
+    def on_OPTIONS(self, request):
+        return (200, {})
+
+
+# TODO: Needs unit testing for generic events
+class RoomStateEventRestServlet(ClientV1RestServlet):
+    def register(self, http_server):
+        # /room/$roomid/state/$eventtype
+        no_state_key = "/rooms/(?P<room_id>[^/]*)/state/(?P<event_type>[^/]*)$"
+
+        # /room/$roomid/state/$eventtype/$statekey
+        state_key = ("/rooms/(?P<room_id>[^/]*)/state/"
+                     "(?P<event_type>[^/]*)/(?P<state_key>[^/]*)$")
+
+        http_server.register_path("GET",
+                                  client_path_pattern(state_key),
+                                  self.on_GET)
+        http_server.register_path("PUT",
+                                  client_path_pattern(state_key),
+                                  self.on_PUT)
+        http_server.register_path("GET",
+                                  client_path_pattern(no_state_key),
+                                  self.on_GET_no_state_key)
+        http_server.register_path("PUT",
+                                  client_path_pattern(no_state_key),
+                                  self.on_PUT_no_state_key)
+
+    def on_GET_no_state_key(self, request, room_id, event_type):
+        return self.on_GET(request, room_id, event_type, "")
+
+    def on_PUT_no_state_key(self, request, room_id, event_type):
+        return self.on_PUT(request, room_id, event_type, "")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id, event_type, state_key):
+        user, client = yield self.auth.get_user_by_req(request)
+
+        msg_handler = self.handlers.message_handler
+        data = yield msg_handler.get_room_data(
+            user_id=user.to_string(),
+            room_id=room_id,
+            event_type=event_type,
+            state_key=state_key,
+        )
+
+        if not data:
+            raise SynapseError(
+                404, "Event not found.", errcode=Codes.NOT_FOUND
+            )
+        defer.returnValue((200, data.get_dict()["content"]))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_id, event_type, state_key, txn_id=None):
+        user, client = yield self.auth.get_user_by_req(request)
+
+        content = _parse_json(request)
+
+        event_dict = {
+            "type": event_type,
+            "content": content,
+            "room_id": room_id,
+            "sender": user.to_string(),
+        }
+
+        if state_key is not None:
+            event_dict["state_key"] = state_key
+
+        msg_handler = self.handlers.message_handler
+        yield msg_handler.create_and_send_event(
+            event_dict, client=client, txn_id=txn_id,
+        )
+
+        defer.returnValue((200, {}))
+
+
+# TODO: Needs unit testing for generic events + feedback
+class RoomSendEventRestServlet(ClientV1RestServlet):
+
+    def register(self, http_server):
+        # /rooms/$roomid/send/$event_type[/$txn_id]
+        PATTERN = ("/rooms/(?P<room_id>[^/]*)/send/(?P<event_type>[^/]*)")
+        register_txn_path(self, PATTERN, http_server, with_get=True)
+
+    @defer.inlineCallbacks
+    def on_POST(self, request, room_id, event_type, txn_id=None):
+        user, client = yield self.auth.get_user_by_req(request)
+        content = _parse_json(request)
+
+        msg_handler = self.handlers.message_handler
+        event = yield msg_handler.create_and_send_event(
+            {
+                "type": event_type,
+                "content": content,
+                "room_id": room_id,
+                "sender": user.to_string(),
+            },
+            client=client,
+            txn_id=txn_id,
+        )
+
+        defer.returnValue((200, {"event_id": event.event_id}))
+
+    def on_GET(self, request, room_id, event_type, txn_id):
+        return (200, "Not implemented")
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_id, event_type, txn_id):
+        try:
+            defer.returnValue(
+                self.txns.get_client_transaction(request, txn_id)
+            )
+        except KeyError:
+            pass
+
+        response = yield self.on_POST(request, room_id, event_type, txn_id)
+
+        self.txns.store_client_transaction(request, txn_id, response)
+        defer.returnValue(response)
+
+
+# TODO: Needs unit testing for room ID + alias joins
+class JoinRoomAliasServlet(ClientV1RestServlet):
+
+    def register(self, http_server):
+        # /join/$room_identifier[/$txn_id]
+        PATTERN = ("/join/(?P<room_identifier>[^/]*)")
+        register_txn_path(self, PATTERN, http_server)
+
+    @defer.inlineCallbacks
+    def on_POST(self, request, room_identifier, txn_id=None):
+        user, client = yield self.auth.get_user_by_req(request)
+
+        # the identifier could be a room alias or a room id. Try one then the
+        # other if it fails to parse, without swallowing other valid
+        # SynapseErrors.
+
+        identifier = None
+        is_room_alias = False
+        try:
+            identifier = RoomAlias.from_string(room_identifier)
+            is_room_alias = True
+        except SynapseError:
+            identifier = RoomID.from_string(room_identifier)
+
+        # TODO: Support for specifying the home server to join with?
+
+        if is_room_alias:
+            handler = self.handlers.room_member_handler
+            ret_dict = yield handler.join_room_alias(user, identifier)
+            defer.returnValue((200, ret_dict))
+        else:  # room id
+            msg_handler = self.handlers.message_handler
+            yield msg_handler.create_and_send_event(
+                {
+                    "type": EventTypes.Member,
+                    "content": {"membership": Membership.JOIN},
+                    "room_id": identifier.to_string(),
+                    "sender": user.to_string(),
+                    "state_key": user.to_string(),
+                },
+                client=client,
+                txn_id=txn_id,
+            )
+
+            defer.returnValue((200, {"room_id": identifier.to_string()}))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_identifier, txn_id):
+        try:
+            defer.returnValue(
+                self.txns.get_client_transaction(request, txn_id)
+            )
+        except KeyError:
+            pass
+
+        response = yield self.on_POST(request, room_identifier, txn_id)
+
+        self.txns.store_client_transaction(request, txn_id, response)
+        defer.returnValue(response)
+
+
+# TODO: Needs unit testing
+class PublicRoomListRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/publicRooms$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request):
+        handler = self.handlers.room_list_handler
+        data = yield handler.get_public_room_list()
+        defer.returnValue((200, data))
+
+
+# TODO: Needs unit testing
+class RoomMemberListRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/members$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id):
+        # TODO support Pagination stream API (limit/tokens)
+        user, client = yield self.auth.get_user_by_req(request)
+        handler = self.handlers.room_member_handler
+        members = yield handler.get_room_members_as_pagination_chunk(
+            room_id=room_id,
+            user_id=user.to_string())
+
+        for event in members["chunk"]:
+            # FIXME: should probably be state_key here, not user_id
+            target_user = UserID.from_string(event["user_id"])
+            # Presence is an optional cache; don't fail if we can't fetch it
+            try:
+                presence_handler = self.handlers.presence_handler
+                presence_state = yield presence_handler.get_state(
+                    target_user=target_user, auth_user=user
+                )
+                event["content"].update(presence_state)
+            except:
+                pass
+
+        defer.returnValue((200, members))
+
+
+# TODO: Needs unit testing
+class RoomMessageListRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/messages$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id):
+        user, client = yield self.auth.get_user_by_req(request)
+        pagination_config = PaginationConfig.from_request(
+            request, default_limit=10,
+        )
+        with_feedback = "feedback" in request.args
+        as_client_event = "raw" not in request.args
+        handler = self.handlers.message_handler
+        msgs = yield handler.get_messages(
+            room_id=room_id,
+            user_id=user.to_string(),
+            pagin_config=pagination_config,
+            feedback=with_feedback,
+            as_client_event=as_client_event
+        )
+
+        defer.returnValue((200, msgs))
+
+
+# TODO: Needs unit testing
+class RoomStateRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/state$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id):
+        user, client = yield self.auth.get_user_by_req(request)
+        handler = self.handlers.message_handler
+        # Get all the current state for this room
+        events = yield handler.get_state_events(
+            room_id=room_id,
+            user_id=user.to_string(),
+        )
+        defer.returnValue((200, events))
+
+
+# TODO: Needs unit testing
+class RoomInitialSyncRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/initialSync$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id):
+        user, client = yield self.auth.get_user_by_req(request)
+        pagination_config = PaginationConfig.from_request(request)
+        content = yield self.handlers.message_handler.room_initial_sync(
+            room_id=room_id,
+            user_id=user.to_string(),
+            pagin_config=pagination_config,
+        )
+        defer.returnValue((200, content))
+
+
+class RoomTriggerBackfill(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/backfill$")
+
+    def __init__(self, hs):
+        super(RoomTriggerBackfill, self).__init__(hs)
+        self.clock = hs.get_clock()
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id):
+        remote_server = urllib.unquote(
+            request.args["remote"][0]
+        ).decode("UTF-8")
+
+        limit = int(request.args["limit"][0])
+
+        handler = self.handlers.federation_handler
+        events = yield handler.backfill(remote_server, room_id, limit)
+
+        time_now = self.clock.time_msec()
+
+        res = [serialize_event(event, time_now) for event in events]
+        defer.returnValue((200, res))
+
+
+# TODO: Needs unit testing
+class RoomMembershipRestServlet(ClientV1RestServlet):
+
+    def register(self, http_server):
+        # /rooms/$roomid/[invite|join|leave]
+        PATTERN = ("/rooms/(?P<room_id>[^/]*)/"
+                   "(?P<membership_action>join|invite|leave|ban|kick)")
+        register_txn_path(self, PATTERN, http_server)
+
+    @defer.inlineCallbacks
+    def on_POST(self, request, room_id, membership_action, txn_id=None):
+        user, client = yield self.auth.get_user_by_req(request)
+
+        content = _parse_json(request)
+
+        # target user is you unless it is an invite
+        state_key = user.to_string()
+        if membership_action in ["invite", "ban", "kick"]:
+            if "user_id" not in content:
+                raise SynapseError(400, "Missing user_id key.")
+            state_key = content["user_id"]
+
+            if membership_action == "kick":
+                membership_action = "leave"
+
+        msg_handler = self.handlers.message_handler
+        yield msg_handler.create_and_send_event(
+            {
+                "type": EventTypes.Member,
+                "content": {"membership": unicode(membership_action)},
+                "room_id": room_id,
+                "sender": user.to_string(),
+                "state_key": state_key,
+            },
+            client=client,
+            txn_id=txn_id,
+        )
+
+        defer.returnValue((200, {}))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_id, membership_action, txn_id):
+        try:
+            defer.returnValue(
+                self.txns.get_client_transaction(request, txn_id)
+            )
+        except KeyError:
+            pass
+
+        response = yield self.on_POST(
+            request, room_id, membership_action, txn_id
+        )
+
+        self.txns.store_client_transaction(request, txn_id, response)
+        defer.returnValue(response)
+
+
+class RoomRedactEventRestServlet(ClientV1RestServlet):
+    def register(self, http_server):
+        PATTERN = ("/rooms/(?P<room_id>[^/]*)/redact/(?P<event_id>[^/]*)")
+        register_txn_path(self, PATTERN, http_server)
+
+    @defer.inlineCallbacks
+    def on_POST(self, request, room_id, event_id, txn_id=None):
+        user, client = yield self.auth.get_user_by_req(request)
+        content = _parse_json(request)
+
+        msg_handler = self.handlers.message_handler
+        event = yield msg_handler.create_and_send_event(
+            {
+                "type": EventTypes.Redaction,
+                "content": content,
+                "room_id": room_id,
+                "sender": user.to_string(),
+                "redacts": event_id,
+            },
+            client=client,
+            txn_id=txn_id,
+        )
+
+        defer.returnValue((200, {"event_id": event.event_id}))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_id, event_id, txn_id):
+        try:
+            defer.returnValue(
+                self.txns.get_client_transaction(request, txn_id)
+            )
+        except KeyError:
+            pass
+
+        response = yield self.on_POST(request, room_id, event_id, txn_id)
+
+        self.txns.store_client_transaction(request, txn_id, response)
+        defer.returnValue(response)
+
+
+class RoomTypingRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern(
+        "/rooms/(?P<room_id>[^/]*)/typing/(?P<user_id>[^/]*)$"
+    )
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_id, user_id):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+
+        room_id = urllib.unquote(room_id)
+        target_user = UserID.from_string(urllib.unquote(user_id))
+
+        content = _parse_json(request)
+
+        typing_handler = self.handlers.typing_notification_handler
+
+        if content["typing"]:
+            yield typing_handler.started_typing(
+                target_user=target_user,
+                auth_user=auth_user,
+                room_id=room_id,
+                timeout=content.get("timeout", 30000),
+            )
+        else:
+            yield typing_handler.stopped_typing(
+                target_user=target_user,
+                auth_user=auth_user,
+                room_id=room_id,
+            )
+
+        defer.returnValue((200, {}))
+
+
+def _parse_json(request):
+    try:
+        content = json.loads(request.content.read())
+        if type(content) != dict:
+            raise SynapseError(400, "Content must be a JSON object.",
+                               errcode=Codes.NOT_JSON)
+        return content
+    except ValueError:
+        raise SynapseError(400, "Content not JSON.", errcode=Codes.NOT_JSON)
+
+
+def register_txn_path(servlet, regex_string, http_server, with_get=False):
+    """Registers a transaction-based path.
+
+    This registers two paths:
+        PUT regex_string/$txnid
+        POST regex_string
+
+    Args:
+        regex_string (str): The regex string to register. Must NOT have a
+        trailing $ as this string will be appended to.
+        http_server : The http_server to register paths with.
+        with_get: True to also register respective GET paths for the PUTs.
+    """
+    http_server.register_path(
+        "POST",
+        client_path_pattern(regex_string + "$"),
+        servlet.on_POST
+    )
+    http_server.register_path(
+        "PUT",
+        client_path_pattern(regex_string + "/(?P<txn_id>[^/]*)$"),
+        servlet.on_PUT
+    )
+    if with_get:
+        http_server.register_path(
+            "GET",
+            client_path_pattern(regex_string + "/(?P<txn_id>[^/]*)$"),
+            servlet.on_GET
+        )
+
+
+def register_servlets(hs, http_server):
+    RoomStateEventRestServlet(hs).register(http_server)
+    RoomCreateRestServlet(hs).register(http_server)
+    RoomMemberListRestServlet(hs).register(http_server)
+    RoomMessageListRestServlet(hs).register(http_server)
+    JoinRoomAliasServlet(hs).register(http_server)
+    RoomTriggerBackfill(hs).register(http_server)
+    RoomMembershipRestServlet(hs).register(http_server)
+    RoomSendEventRestServlet(hs).register(http_server)
+    PublicRoomListRestServlet(hs).register(http_server)
+    RoomStateRestServlet(hs).register(http_server)
+    RoomInitialSyncRestServlet(hs).register(http_server)
+    RoomRedactEventRestServlet(hs).register(http_server)
+    RoomTypingRestServlet(hs).register(http_server)
diff --git a/synapse/rest/client/v1/transactions.py b/synapse/rest/client/v1/transactions.py
new file mode 100644
index 0000000000..d933fea18a
--- /dev/null
+++ b/synapse/rest/client/v1/transactions.py
@@ -0,0 +1,95 @@
+# -*- 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.
+
+"""This module contains logic for storing HTTP PUT transactions. This is used
+to ensure idempotency when performing PUTs using the REST API."""
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+# FIXME: elsewhere we use FooStore to indicate something in the storage layer...
+class HttpTransactionStore(object):
+
+    def __init__(self):
+        # { key : (txn_id, response) }
+        self.transactions = {}
+
+    def get_response(self, key, txn_id):
+        """Retrieve a response for this request.
+
+        Args:
+            key (str): A transaction-independent key for this request. Usually
+                this is a combination of the path (without the transaction id)
+                and the user's access token.
+            txn_id (str): The transaction ID for this request
+        Returns:
+            A tuple of (HTTP response code, response content) or None.
+        """
+        try:
+            logger.debug("get_response Key: %s TxnId: %s", key, txn_id)
+            (last_txn_id, response) = self.transactions[key]
+            if txn_id == last_txn_id:
+                logger.info("get_response: Returning a response for %s", key)
+                return response
+        except KeyError:
+            pass
+        return None
+
+    def store_response(self, key, txn_id, response):
+        """Stores an HTTP response tuple.
+
+        Args:
+            key (str): A transaction-independent key for this request. Usually
+                this is a combination of the path (without the transaction id)
+                and the user's access token.
+            txn_id (str): The transaction ID for this request.
+            response (tuple): A tuple of (HTTP response code, response content)
+        """
+        logger.debug("store_response Key: %s TxnId: %s", key, txn_id)
+        self.transactions[key] = (txn_id, response)
+
+    def store_client_transaction(self, request, txn_id, response):
+        """Stores the request/response pair of an HTTP transaction.
+
+        Args:
+            request (twisted.web.http.Request): The twisted HTTP request. This
+            request must have the transaction ID as the last path segment.
+            response (tuple): A tuple of (response code, response dict)
+            txn_id (str): The transaction ID for this request.
+        """
+        self.store_response(self._get_key(request), txn_id, response)
+
+    def get_client_transaction(self, request, txn_id):
+        """Retrieves a stored response if there was one.
+
+        Args:
+            request (twisted.web.http.Request): The twisted HTTP request. This
+            request must have the transaction ID as the last path segment.
+            txn_id (str): The transaction ID for this request.
+        Returns:
+            The response tuple.
+        Raises:
+            KeyError if the transaction was not found.
+        """
+        response = self.get_response(self._get_key(request), txn_id)
+        if response is None:
+            raise KeyError("Transaction not found.")
+        return response
+
+    def _get_key(self, request):
+        token = request.args["access_token"][0]
+        path_without_txn_id = request.path.rsplit("/", 1)[0]
+        return path_without_txn_id + "/" + token
diff --git a/synapse/rest/client/v1/voip.py b/synapse/rest/client/v1/voip.py
new file mode 100644
index 0000000000..11d08fbced
--- /dev/null
+++ b/synapse/rest/client/v1/voip.py
@@ -0,0 +1,60 @@
+# -*- 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 twisted.internet import defer
+
+from base import ClientV1RestServlet, client_path_pattern
+
+
+import hmac
+import hashlib
+import base64
+
+
+class VoipRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/voip/turnServer$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request):
+        auth_user, client = yield self.auth.get_user_by_req(request)
+
+        turnUris = self.hs.config.turn_uris
+        turnSecret = self.hs.config.turn_shared_secret
+        userLifetime = self.hs.config.turn_user_lifetime
+        if not turnUris or not turnSecret or not userLifetime:
+            defer.returnValue((200, {}))
+
+        expiry = (self.hs.get_clock().time_msec() + userLifetime) / 1000
+        username = "%d:%s" % (expiry, auth_user.to_string())
+
+        mac = hmac.new(turnSecret, msg=username, digestmod=hashlib.sha1)
+        # We need to use standard base64 encoding here, *not* syutil's
+        # encode_base64 because we need to add the standard padding to get the
+        # same result as the TURN server.
+        password = base64.b64encode(mac.digest())
+
+        defer.returnValue((200, {
+            'username': username,
+            'password': password,
+            'ttl': userLifetime / 1000,
+            'uris': turnUris,
+        }))
+
+    def on_OPTIONS(self, request):
+        return (200, {})
+
+
+def register_servlets(hs, http_server):
+    VoipRestServlet(hs).register(http_server)