mirror of https://github.com/watcha-fr/synapse
Erik Johnston
8 years ago
parent
1b01488d27
commit
a70a43bc51
@ -0,0 +1,184 @@ |
|||||||
|
# -*- coding: utf-8 -*- |
||||||
|
# Copyright 2014 - 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. |
||||||
|
|
||||||
|
from twisted.internet import defer |
||||||
|
|
||||||
|
from ._base import BaseHandler |
||||||
|
|
||||||
|
from synapse.api.constants import ( |
||||||
|
EventTypes, JoinRules, Membership, |
||||||
|
) |
||||||
|
from synapse.api.errors import SynapseError |
||||||
|
from synapse.util.async import concurrently_execute |
||||||
|
from synapse.util.caches.response_cache import ResponseCache |
||||||
|
|
||||||
|
import logging |
||||||
|
|
||||||
|
logger = logging.getLogger(__name__) |
||||||
|
|
||||||
|
REMOTE_ROOM_LIST_POLL_INTERVAL = 60 * 1000 |
||||||
|
|
||||||
|
|
||||||
|
class RoomListHandler(BaseHandler): |
||||||
|
def __init__(self, hs): |
||||||
|
super(RoomListHandler, self).__init__(hs) |
||||||
|
self.response_cache = ResponseCache(hs) |
||||||
|
self.remote_list_request_cache = ResponseCache(hs) |
||||||
|
self.remote_list_cache = {} |
||||||
|
self.fetch_looping_call = hs.get_clock().looping_call( |
||||||
|
self.fetch_all_remote_lists, REMOTE_ROOM_LIST_POLL_INTERVAL |
||||||
|
) |
||||||
|
self.fetch_all_remote_lists() |
||||||
|
|
||||||
|
def get_local_public_room_list(self): |
||||||
|
result = self.response_cache.get(()) |
||||||
|
if not result: |
||||||
|
result = self.response_cache.set((), self._get_public_room_list()) |
||||||
|
return result |
||||||
|
|
||||||
|
@defer.inlineCallbacks |
||||||
|
def _get_public_room_list(self): |
||||||
|
room_ids = yield self.store.get_public_room_ids() |
||||||
|
|
||||||
|
results = [] |
||||||
|
|
||||||
|
@defer.inlineCallbacks |
||||||
|
def handle_room(room_id): |
||||||
|
current_state = yield self.state_handler.get_current_state(room_id) |
||||||
|
|
||||||
|
# Double check that this is actually a public room. |
||||||
|
join_rules_event = current_state.get((EventTypes.JoinRules, "")) |
||||||
|
if join_rules_event: |
||||||
|
join_rule = join_rules_event.content.get("join_rule", None) |
||||||
|
if join_rule and join_rule != JoinRules.PUBLIC: |
||||||
|
defer.returnValue(None) |
||||||
|
|
||||||
|
result = {"room_id": room_id} |
||||||
|
|
||||||
|
num_joined_users = len([ |
||||||
|
1 for _, event in current_state.items() |
||||||
|
if event.type == EventTypes.Member |
||||||
|
and event.membership == Membership.JOIN |
||||||
|
]) |
||||||
|
if num_joined_users == 0: |
||||||
|
return |
||||||
|
|
||||||
|
result["num_joined_members"] = num_joined_users |
||||||
|
|
||||||
|
aliases = yield self.store.get_aliases_for_room(room_id) |
||||||
|
if aliases: |
||||||
|
result["aliases"] = aliases |
||||||
|
|
||||||
|
name_event = yield current_state.get((EventTypes.Name, "")) |
||||||
|
if name_event: |
||||||
|
name = name_event.content.get("name", None) |
||||||
|
if name: |
||||||
|
result["name"] = name |
||||||
|
|
||||||
|
topic_event = current_state.get((EventTypes.Topic, "")) |
||||||
|
if topic_event: |
||||||
|
topic = topic_event.content.get("topic", None) |
||||||
|
if topic: |
||||||
|
result["topic"] = topic |
||||||
|
|
||||||
|
canonical_event = current_state.get((EventTypes.CanonicalAlias, "")) |
||||||
|
if canonical_event: |
||||||
|
canonical_alias = canonical_event.content.get("alias", None) |
||||||
|
if canonical_alias: |
||||||
|
result["canonical_alias"] = canonical_alias |
||||||
|
|
||||||
|
visibility_event = current_state.get((EventTypes.RoomHistoryVisibility, "")) |
||||||
|
visibility = None |
||||||
|
if visibility_event: |
||||||
|
visibility = visibility_event.content.get("history_visibility", None) |
||||||
|
result["world_readable"] = visibility == "world_readable" |
||||||
|
|
||||||
|
guest_event = current_state.get((EventTypes.GuestAccess, "")) |
||||||
|
guest = None |
||||||
|
if guest_event: |
||||||
|
guest = guest_event.content.get("guest_access", None) |
||||||
|
result["guest_can_join"] = guest == "can_join" |
||||||
|
|
||||||
|
avatar_event = current_state.get(("m.room.avatar", "")) |
||||||
|
if avatar_event: |
||||||
|
avatar_url = avatar_event.content.get("url", None) |
||||||
|
if avatar_url: |
||||||
|
result["avatar_url"] = avatar_url |
||||||
|
|
||||||
|
results.append(result) |
||||||
|
|
||||||
|
yield concurrently_execute(handle_room, room_ids, 10) |
||||||
|
|
||||||
|
# FIXME (erikj): START is no longer a valid value |
||||||
|
defer.returnValue({"start": "START", "end": "END", "chunk": results}) |
||||||
|
|
||||||
|
@defer.inlineCallbacks |
||||||
|
def fetch_all_remote_lists(self): |
||||||
|
deferred = self.hs.get_replication_layer().get_public_rooms( |
||||||
|
self.hs.config.secondary_directory_servers |
||||||
|
) |
||||||
|
self.remote_list_request_cache.set((), deferred) |
||||||
|
self.remote_list_cache = yield deferred |
||||||
|
|
||||||
|
@defer.inlineCallbacks |
||||||
|
def get_remote_public_room_list(self, server_name): |
||||||
|
res = yield self.hs.get_replication_layer().get_public_rooms( |
||||||
|
[server_name] |
||||||
|
) |
||||||
|
|
||||||
|
if server_name not in res: |
||||||
|
raise SynapseError(404, "Server not found") |
||||||
|
defer.returnValue(res[server_name]) |
||||||
|
|
||||||
|
@defer.inlineCallbacks |
||||||
|
def get_aggregated_public_room_list(self): |
||||||
|
""" |
||||||
|
Get the public room list from this server and the servers |
||||||
|
specified in the secondary_directory_servers config option. |
||||||
|
XXX: Pagination... |
||||||
|
""" |
||||||
|
# We return the results from out cache which is updated by a looping call, |
||||||
|
# unless we're missing a cache entry, in which case wait for the result |
||||||
|
# of the fetch if there's one in progress. If not, omit that server. |
||||||
|
wait = False |
||||||
|
for s in self.hs.config.secondary_directory_servers: |
||||||
|
if s not in self.remote_list_cache: |
||||||
|
logger.warn("No cached room list from %s: waiting for fetch", s) |
||||||
|
wait = True |
||||||
|
break |
||||||
|
|
||||||
|
if wait and self.remote_list_request_cache.get(()): |
||||||
|
yield self.remote_list_request_cache.get(()) |
||||||
|
|
||||||
|
public_rooms = yield self.get_local_public_room_list() |
||||||
|
|
||||||
|
# keep track of which room IDs we've seen so we can de-dup |
||||||
|
room_ids = set() |
||||||
|
|
||||||
|
# tag all the ones in our list with our server name. |
||||||
|
# Also add the them to the de-deping set |
||||||
|
for room in public_rooms['chunk']: |
||||||
|
room["server_name"] = self.hs.hostname |
||||||
|
room_ids.add(room["room_id"]) |
||||||
|
|
||||||
|
# Now add the results from federation |
||||||
|
for server_name, server_result in self.remote_list_cache.items(): |
||||||
|
for room in server_result["chunk"]: |
||||||
|
if room["room_id"] not in room_ids: |
||||||
|
room["server_name"] = server_name |
||||||
|
public_rooms["chunk"].append(room) |
||||||
|
room_ids.add(room["room_id"]) |
||||||
|
|
||||||
|
defer.returnValue(public_rooms) |
||||||
Loading…
Reference in new issue