diff --git a/synapse/api/constants.py b/synapse/api/constants.py
index c2630c4c64..5565e516d6 100644
--- a/synapse/api/constants.py
+++ b/synapse/api/constants.py
@@ -61,6 +61,7 @@ class LoginType(object):
class EventTypes(object):
Member = "m.room.member"
Create = "m.room.create"
+ Tombstone = "m.room.tombstone"
JoinRules = "m.room.join_rules"
PowerLevels = "m.room.power_levels"
Aliases = "m.room.aliases"
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index d42c2c41c4..3cce6f6150 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -36,6 +36,7 @@ from synapse.api.errors import AuthError, Codes, StoreError, SynapseError
from synapse.storage.state import StateFilter
from synapse.types import RoomAlias, RoomID, RoomStreamToken, StreamToken, UserID
from synapse.util import stringutils
+from synapse.util.async_helpers import Linearizer
from synapse.visibility import filter_events_for_client
from ._base import BaseHandler
@@ -75,6 +76,124 @@ class RoomCreationHandler(BaseHandler):
self.event_creation_handler = hs.get_event_creation_handler()
self.room_member_handler = hs.get_room_member_handler()
+ # linearizer to stop two upgrades happening at once
+ self._upgrade_linearizer = Linearizer("room_upgrade_linearizer")
+
+ @defer.inlineCallbacks
+ def upgrade_room(self, requester, old_room_id, new_version):
+ """Replace a room with a new room with a different version
+
+ Args:
+ requester (synapse.types.Requester): the user requesting the upgrade
+ old_room_id (unicode): the id of the room to be replaced
+ new_version (unicode): the new room version to use
+
+ Returns:
+ Deferred[unicode]: the new room id
+ """
+ yield self.ratelimit(requester)
+
+ user_id = requester.user.to_string()
+
+ with (yield self._upgrade_linearizer.queue(old_room_id)):
+ # start by allocating a new room id
+ is_public = False # XXX fixme
+ new_room_id = yield self._generate_room_id(
+ creator_id=user_id, is_public=is_public,
+ )
+
+ # we create and auth the tombstone event before properly creating the new
+ # room, to check our user has perms in the old room.
+ tombstone_event, tombstone_context = (
+ yield self.event_creation_handler.create_event(
+ requester, {
+ "type": EventTypes.Tombstone,
+ "state_key": "",
+ "room_id": old_room_id,
+ "sender": user_id,
+ "content": {
+ "body": "This room has been replaced",
+ "replacement_room": new_room_id,
+ }
+ },
+ token_id=requester.access_token_id,
+ )
+ )
+ yield self.auth.check_from_context(tombstone_event, tombstone_context)
+
+ yield self.clone_exiting_room(
+ requester,
+ old_room_id=old_room_id,
+ new_room_id=new_room_id,
+ new_room_version=new_version,
+ tombstone_event_id=tombstone_event.event_id,
+ )
+
+ # now send the tombstone
+ yield self.event_creation_handler.send_nonmember_event(
+ requester, tombstone_event, tombstone_context,
+ )
+
+ # XXX send a power_levels in the old room, if possible
+
+ defer.returnValue(new_room_id)
+
+ @defer.inlineCallbacks
+ def clone_exiting_room(
+ self, requester, old_room_id, new_room_id, new_room_version,
+ tombstone_event_id,
+ ):
+ """Populate a new room based on an old room
+
+ Args:
+ requester (synapse.types.Requester): the user requesting the upgrade
+ old_room_id (unicode): the id of the room to be replaced
+ new_room_id (unicode): the id to give the new room (should already have been
+ created with _gemerate_room_id())
+ new_room_version (unicode): the new room version to use
+ tombstone_event_id (unicode|str): the ID of the tombstone event in the old
+ room.
+ Returns:
+ Deferred[None]
+ """
+ user_id = requester.user.to_string()
+
+ if not self.spam_checker.user_may_create_room(user_id):
+ raise SynapseError(403, "You are not permitted to create rooms")
+
+ # XXX check alias is free
+ # canonical_alias = None
+
+ # XXX create association in directory handler
+ # XXX preset
+
+ preset_config = RoomCreationPreset.PRIVATE_CHAT
+
+ creation_content = {
+ "room_version": new_room_version,
+ "predecessor": {
+ "room_id": old_room_id,
+ "event_id": tombstone_event_id,
+ }
+ }
+
+ initial_state = OrderedDict()
+
+ yield self._send_events_for_new_room(
+ requester,
+ new_room_id,
+ preset_config=preset_config,
+ invite_list=[],
+ initial_state=initial_state,
+ creation_content=creation_content,
+ )
+
+ # XXX name
+ # XXX topic
+ # XXX invites/joins
+ # XXX 3pid invites
+ # XXX directory_handler.send_room_alias_update_event
+
@defer.inlineCallbacks
def create_room(self, requester, config, ratelimit=True,
creator_join_profile=None):
@@ -416,6 +535,8 @@ class RoomCreationHandler(BaseHandler):
random_string,
self.hs.hostname,
).to_string()
+ if isinstance(gen_room_id, bytes):
+ gen_room_id = gen_room_id.decode('utf-8')
yield self.store.store_room(
room_id=gen_room_id,
room_creator_user_id=creator_id,
diff --git a/synapse/rest/__init__.py b/synapse/rest/__init__.py
index 4856822a5d..5f35c2d1be 100644
--- a/synapse/rest/__init__.py
+++ b/synapse/rest/__init__.py
@@ -47,6 +47,7 @@ from synapse.rest.client.v2_alpha import (
register,
report_event,
room_keys,
+ room_upgrade_rest_servlet,
sendtodevice,
sync,
tags,
@@ -116,3 +117,4 @@ class ClientRestResource(JsonResource):
sendtodevice.register_servlets(hs, client_resource)
user_directory.register_servlets(hs, client_resource)
groups.register_servlets(hs, client_resource)
+ room_upgrade_rest_servlet.register_servlets(hs, client_resource)
diff --git a/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py b/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py
new file mode 100644
index 0000000000..1b195f90c4
--- /dev/null
+++ b/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py
@@ -0,0 +1,78 @@
+# -*- coding: utf-8 -*-
+# Copyright 2016 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.
+
+import logging
+
+from twisted.internet import defer
+
+from synapse.api.constants import KNOWN_ROOM_VERSIONS
+from synapse.api.errors import Codes, SynapseError
+from synapse.http.servlet import (
+ RestServlet,
+ assert_params_in_dict,
+ parse_json_object_from_request,
+)
+
+from ._base import client_v2_patterns
+
+logger = logging.getLogger(__name__)
+
+
+class RoomUpgradeRestServlet(RestServlet):
+ PATTERNS = client_v2_patterns(
+ # /rooms/$roomid/upgrade
+ "/rooms/(?P<room_id>[^/]*)/upgrade$",
+ v2_alpha=False,
+ )
+
+ def __init__(self, hs):
+ """
+
+ Args:
+ hs (synapse.server.HomeServer):
+ """
+ super(RoomUpgradeRestServlet, self).__init__()
+ self._hs = hs
+ self._room_creation_handler = hs.get_room_creation_handler()
+ self._auth = hs.get_auth()
+
+ @defer.inlineCallbacks
+ def on_POST(self, request, room_id):
+ requester = yield self._auth.get_user_by_req(request)
+
+ content = parse_json_object_from_request(request)
+ assert_params_in_dict(content, ("new_version", ))
+ new_version = content["new_version"]
+
+ if new_version not in KNOWN_ROOM_VERSIONS:
+ raise SynapseError(
+ 400,
+ "Your homeserver does not support this room version",
+ Codes.UNSUPPORTED_ROOM_VERSION,
+ )
+
+ new_room_id = yield self._room_creation_handler.upgrade_room(
+ requester, room_id, new_version
+ )
+
+ ret = {
+ "replacement_room": new_room_id,
+ }
+
+ defer.returnValue((200, ret))
+
+
+def register_servlets(hs, http_server):
+ RoomUpgradeRestServlet(hs).register(http_server)
diff --git a/synapse/server.pyi b/synapse/server.pyi
index ce28486233..06cd083a74 100644
--- a/synapse/server.pyi
+++ b/synapse/server.pyi
@@ -7,6 +7,9 @@ import synapse.handlers.auth
import synapse.handlers.deactivate_account
import synapse.handlers.device
import synapse.handlers.e2e_keys
+import synapse.handlers.room
+import synapse.handlers.room_member
+import synapse.handlers.message
import synapse.handlers.set_password
import synapse.rest.media.v1.media_repository
import synapse.server_notices.server_notices_manager
@@ -50,6 +53,9 @@ class HomeServer(object):
def get_room_creation_handler(self) -> synapse.handlers.room.RoomCreationHandler:
pass
+ def get_room_member_handler(self) -> synapse.handlers.room_member.RoomMemberHandler:
+ pass
+
def get_event_creation_handler(self) -> synapse.handlers.message.EventCreationHandler:
pass
|
