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Merge pull request #4746 from matrix-org/anoa/public_rooms_federate_develop

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Prevent showing non-fed rooms in fed /publicRooms v2
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Andrew Morgan 2019-02-26 14:39:39 +00:00 committed by GitHub
commit 4dc945ba30
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4 changed files with 65 additions and 13 deletions
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1
changelog.d/4746.feature Normal file
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@ -0,0 +1 @@
Prevent showing rooms to other servers that were set to not federate.

3
synapse/federation/transport/server.py
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@ -736,7 +736,8 @@ class PublicRoomList(BaseFederationServlet):
data = yield self.handler.get_local_public_room_list(
limit, since_token,
network_tuple=network_tuple
network_tuple=network_tuple,
from_federation=True,
)
defer.returnValue((200, data))

6
synapse/groups/groups_server.py
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@ -113,8 +113,7 @@ class GroupsServerHandler(object):
room_id = room_entry["room_id"]
joined_users = yield self.store.get_users_in_room(room_id)
entry = yield self.room_list_handler.generate_room_entry(
room_id, len(joined_users),
with_alias=False, allow_private=True,
room_id, len(joined_users), with_alias=False, allow_private=True,
)
entry = dict(entry) # so we don't change whats cached
entry.pop("room_id", None)
@ -544,8 +543,7 @@ class GroupsServerHandler(object):
joined_users = yield self.store.get_users_in_room(room_id)
entry = yield self.room_list_handler.generate_room_entry(
room_id, len(joined_users),
with_alias=False, allow_private=True,
room_id, len(joined_users), with_alias=False, allow_private=True,
)
if not entry:

68
synapse/handlers/room_list.py
View file

@ -50,16 +50,17 @@ class RoomListHandler(BaseHandler):
def get_local_public_room_list(self, limit=None, since_token=None,
search_filter=None,
network_tuple=EMPTY_THIRD_PARTY_ID,):
network_tuple=EMPTY_THIRD_PARTY_ID,
from_federation=False):
"""Generate a local public room list.
There are multiple different lists: the main one plus one per third
party network. A client can ask for a specific list or to return all.
Args:
limit (int)
since_token (str)
search_filter (dict)
limit (int|None)
since_token (str|None)
search_filter (dict|None)
network_tuple (ThirdPartyInstanceID): Which public list to use.
This can be (None, None) to indicate the main list, or a particular
appservice and network id to use an appservice specific one.
@ -87,14 +88,30 @@ class RoomListHandler(BaseHandler):
return self.response_cache.wrap(
key,
self._get_public_room_list,
limit, since_token, network_tuple=network_tuple,
limit, since_token,
network_tuple=network_tuple, from_federation=from_federation,
)
@defer.inlineCallbacks
def _get_public_room_list(self, limit=None, since_token=None,
search_filter=None,
network_tuple=EMPTY_THIRD_PARTY_ID,
from_federation=False,
timeout=None,):
"""Generate a public room list.
Args:
limit (int|None): Maximum amount of rooms to return.
since_token (str|None)
search_filter (dict|None): Dictionary to filter rooms by.
network_tuple (ThirdPartyInstanceID): Which public list to use.
This can be (None, None) to indicate the main list, or a particular
appservice and network id to use an appservice specific one.
Setting to None returns all public rooms across all lists.
from_federation (bool): Whether this request originated from a
federating server or a client. Used for room filtering.
timeout (int|None): Amount of seconds to wait for a response before
timing out.
"""
if since_token and since_token != "END":
since_token = RoomListNextBatch.from_token(since_token)
else:
@ -217,7 +234,8 @@ class RoomListHandler(BaseHandler):
yield concurrently_execute(
lambda r: self._append_room_entry_to_chunk(
r, rooms_to_num_joined[r],
chunk, limit, search_filter
chunk, limit, search_filter,
from_federation=from_federation,
),
batch, 5,
)
@ -288,23 +306,51 @@ class RoomListHandler(BaseHandler):
@defer.inlineCallbacks
def _append_room_entry_to_chunk(self, room_id, num_joined_users, chunk, limit,
search_filter):
search_filter, from_federation=False):
"""Generate the entry for a room in the public room list and append it
to the `chunk` if it matches the search filter
Args:
room_id (str): The ID of the room.
num_joined_users (int): The number of joined users in the room.
chunk (list)
limit (int|None): Maximum amount of rooms to display. Function will
return if length of chunk is greater than limit + 1.
search_filter (dict|None)
from_federation (bool): Whether this request originated from a
federating server or a client. Used for room filtering.
"""
if limit and len(chunk) > limit + 1:
# We've already got enough, so lets just drop it.
return
result = yield self.generate_room_entry(room_id, num_joined_users)
if not result:
return
if result and _matches_room_entry(result, search_filter):
if from_federation and not result.get("m.federate", True):
# This is a room that other servers cannot join. Do not show them
# this room.
return
if _matches_room_entry(result, search_filter):
chunk.append(result)
@cachedInlineCallbacks(num_args=1, cache_context=True)
def generate_room_entry(self, room_id, num_joined_users, cache_context,
with_alias=True, allow_private=False):
"""Returns the entry for a room
Args:
room_id (str): The room's ID.
num_joined_users (int): Number of users in the room.
cache_context: Information for cached responses.
with_alias (bool): Whether to return the room's aliases in the result.
allow_private (bool): Whether invite-only rooms should be shown.
Returns:
Deferred[dict|None]: Returns a room entry as a dictionary, or None if this
room was determined not to be shown publicly.
"""
result = {
"room_id": room_id,
@ -318,6 +364,7 @@ class RoomListHandler(BaseHandler):
event_map = yield self.store.get_events([
event_id for key, event_id in iteritems(current_state_ids)
if key[0] in (
EventTypes.Create,
EventTypes.JoinRules,
EventTypes.Name,
EventTypes.Topic,
@ -334,12 +381,17 @@ class RoomListHandler(BaseHandler):
}
# 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 not allow_private and join_rule and join_rule != JoinRules.PUBLIC:
defer.returnValue(None)
# Return whether this room is open to federation users or not
create_event = current_state.get((EventTypes.Create, ""))
result["m.federate"] = create_event.content.get("m.federate", True)
if with_alias:
aliases = yield self.store.get_aliases_for_room(
room_id, on_invalidate=cache_context.invalidate