157 lines
4.6 KiB
Python
157 lines
4.6 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet import defer
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from ._base import BaseHandler
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from synapse.api.errors import SynapseError
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from synapse.api.events.room import RoomAliasesEvent
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import logging
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import sqlite3
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logger = logging.getLogger(__name__)
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class DirectoryHandler(BaseHandler):
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def __init__(self, hs):
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super(DirectoryHandler, self).__init__(hs)
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self.federation = hs.get_replication_layer()
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self.federation.register_query_handler(
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"directory", self.on_directory_query
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)
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@defer.inlineCallbacks
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def create_association(self, user_id, room_alias, room_id, servers=None):
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# TODO(erikj): Do auth.
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if not room_alias.is_mine:
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raise SynapseError(400, "Room alias must be local")
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# TODO(erikj): Change this.
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# TODO(erikj): Add transactions.
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# TODO(erikj): Check if there is a current association.
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if not servers:
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servers = yield self.store.get_joined_hosts_for_room(room_id)
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if not servers:
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raise SynapseError(400, "Failed to get server list")
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try:
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yield self.store.create_room_alias_association(
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room_alias,
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room_id,
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servers
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)
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except sqlite3.IntegrityError:
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defer.returnValue("Already exists")
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# TODO: Send the room event.
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yield self._update_room_alias_events(user_id, room_id)
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@defer.inlineCallbacks
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def delete_association(self, user_id, room_alias):
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# TODO Check if server admin
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if not room_alias.is_mine:
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raise SynapseError(400, "Room alias must be local")
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room_id = yield self.store.delete_room_alias(room_alias)
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if room_id:
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yield self._update_room_alias_events(user_id, room_id)
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@defer.inlineCallbacks
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def get_association(self, room_alias):
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room_id = None
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if room_alias.is_mine:
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result = yield self.store.get_association_from_room_alias(
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room_alias
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)
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if result:
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room_id = result.room_id
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servers = result.servers
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else:
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result = yield self.federation.make_query(
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destination=room_alias.domain,
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query_type="directory",
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args={
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"room_alias": room_alias.to_string(),
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},
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retry_on_dns_fail=False,
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)
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if result and "room_id" in result and "servers" in result:
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room_id = result["room_id"]
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servers = result["servers"]
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if not room_id:
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defer.returnValue({})
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return
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extra_servers = yield self.store.get_joined_hosts_for_room(room_id)
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servers = list(set(extra_servers) | set(servers))
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defer.returnValue({
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"room_id": room_id,
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"servers": servers,
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})
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return
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@defer.inlineCallbacks
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def on_directory_query(self, args):
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room_alias = self.hs.parse_roomalias(args["room_alias"])
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if not room_alias.is_mine:
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raise SynapseError(
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400, "Room Alias is not hosted on this Home Server"
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)
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result = yield self.store.get_association_from_room_alias(
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room_alias
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)
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defer.returnValue({
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"room_id": result.room_id,
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"servers": result.servers,
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})
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@defer.inlineCallbacks
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def _update_room_alias_events(self, user_id, room_id):
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aliases = yield self.store.get_aliases_for_room(room_id)
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event = self.event_factory.create_event(
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etype=RoomAliasesEvent.TYPE,
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state_key=self.hs.hostname,
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room_id=room_id,
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user_id=user_id,
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content={"aliases": aliases},
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)
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snapshot = yield self.store.snapshot_room(
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room_id=room_id,
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user_id=user_id,
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)
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yield self.state_handler.handle_new_event(event, snapshot)
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yield self._on_new_room_event(event, snapshot, extra_users=[user_id])
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