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Show all joinable rooms in the spaces summary. (#10298)

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Previously only world-readable rooms were shown. This means that
rooms which are public, knockable, or invite-only with a pending invitation,
are included in a space summary. It also applies the same logic to
the experimental room version from MSC3083 -- if a user has access
to the proper allowed rooms then it is shown in the spaces summary.

This change is made per MSC3173 allowing stripped state of a room to
be shown to any potential room joiner.
This commit is contained in:
Patrick Cloke 2021-07-13 08:59:27 -04:00 committed by GitHub
parent 475fcb0f20
commit 2d16e69b4b
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6 changed files with 244 additions and 45 deletions
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1
changelog.d/10298.feature Normal file
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@ -0,0 +1 @@
The spaces summary API now returns any joinable rooms, not only rooms which are world-readable.

1
changelog.d/10305.feature Normal file
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@ -0,0 +1 @@
The spaces summary API now returns any joinable rooms, not only rooms which are world-readable.

1
changelog.d/10305.misc
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@ -1 +0,0 @@
Additional unit tests for the spaces summary API.

68
synapse/handlers/space_summary.py
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@ -24,6 +24,7 @@ from synapse.api.constants import (
EventContentFields,
EventTypes,
HistoryVisibility,
JoinRules,
Membership,
RoomTypes,
)
@ -150,14 +151,21 @@ class SpaceSummaryHandler:
# The room should only be included in the summary if:
# a. the user is in the room;
# b. the room is world readable; or
# c. the user is in a space that has been granted access to
# the room.
# c. the user could join the room, e.g. the join rules
# are set to public or the user is in a space that
# has been granted access to the room.
#
# Note that we know the user is not in the root room (which is
# why the remote call was made in the first place), but the user
# could be in one of the children rooms and we just didn't know
# about the link.
include_room = room.get("world_readable") is True
# The API doesn't return the room version so assume that a
# join rule of knock is valid.
include_room = (
room.get("join_rules") in (JoinRules.PUBLIC, JoinRules.KNOCK)
or room.get("world_readable") is True
)
# Check if the user is a member of any of the allowed spaces
# from the response.
@ -420,9 +428,8 @@ class SpaceSummaryHandler:
It should be included if:
* The requester is joined or invited to the room.
* The requester can join without an invite (per MSC3083).
* The origin server has any user that is joined or invited to the room.
* The requester is joined or can join the room (per MSC3173).
* The origin server has any user that is joined or can join the room.
* The history visibility is set to world readable.
Args:
@ -441,13 +448,39 @@ class SpaceSummaryHandler:
# If there's no state for the room, it isn't known.
if not state_ids:
# The user might have a pending invite for the room.
if requester and await self._store.get_invite_for_local_user_in_room(
requester, room_id
):
return True
logger.info("room %s is unknown, omitting from summary", room_id)
return False
room_version = await self._store.get_room_version(room_id)
# if we have an authenticated requesting user, first check if they are able to view
# stripped state in the room.
# Include the room if it has join rules of public or knock.
join_rules_event_id = state_ids.get((EventTypes.JoinRules, ""))
if join_rules_event_id:
join_rules_event = await self._store.get_event(join_rules_event_id)
join_rule = join_rules_event.content.get("join_rule")
if join_rule == JoinRules.PUBLIC or (
room_version.msc2403_knocking and join_rule == JoinRules.KNOCK
):
return True
# Include the room if it is peekable.
hist_vis_event_id = state_ids.get((EventTypes.RoomHistoryVisibility, ""))
if hist_vis_event_id:
hist_vis_ev = await self._store.get_event(hist_vis_event_id)
hist_vis = hist_vis_ev.content.get("history_visibility")
if hist_vis == HistoryVisibility.WORLD_READABLE:
return True
# Otherwise we need to check information specific to the user or server.
# If we have an authenticated requesting user, check if they are a member
# of the room (or can join the room).
if requester:
member_event_id = state_ids.get((EventTypes.Member, requester), None)
@ -470,9 +503,11 @@ class SpaceSummaryHandler:
return True
# If this is a request over federation, check if the host is in the room or
# is in one of the spaces specified via the join rules.
# has a user who could join the room.
elif origin:
if await self._event_auth_handler.check_host_in_room(room_id, origin):
if await self._event_auth_handler.check_host_in_room(
room_id, origin
) or await self._store.is_host_invited(room_id, origin):
return True
# Alternately, if the host has a user in any of the spaces specified
@ -490,18 +525,10 @@ class SpaceSummaryHandler:
):
return True
# otherwise, check if the room is peekable
hist_vis_event_id = state_ids.get((EventTypes.RoomHistoryVisibility, ""), None)
if hist_vis_event_id:
hist_vis_ev = await self._store.get_event(hist_vis_event_id)
hist_vis = hist_vis_ev.content.get("history_visibility")
if hist_vis == HistoryVisibility.WORLD_READABLE:
return True
logger.info(
"room %s is unpeekable and user %s is not a member / not allowed to join, omitting from summary",
"room %s is unpeekable and requester %s is not a member / not allowed to join, omitting from summary",
room_id,
requester,
requester or origin,
)
return False
@ -535,6 +562,7 @@ class SpaceSummaryHandler:
"canonical_alias": stats["canonical_alias"],
"num_joined_members": stats["joined_members"],
"avatar_url": stats["avatar"],
"join_rules": stats["join_rules"],
"world_readable": (
stats["history_visibility"] == HistoryVisibility.WORLD_READABLE
),

13
synapse/storage/databases/main/roommember.py
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@ -703,13 +703,22 @@ class RoomMemberWorkerStore(EventsWorkerStore):
@cached(max_entries=10000)
async def is_host_joined(self, room_id: str, host: str) -> bool:
return await self._check_host_room_membership(room_id, host, Membership.JOIN)
@cached(max_entries=10000)
async def is_host_invited(self, room_id: str, host: str) -> bool:
return await self._check_host_room_membership(room_id, host, Membership.INVITE)
async def _check_host_room_membership(
self, room_id: str, host: str, membership: str
) -> bool:
if "%" in host or "_" in host:
raise Exception("Invalid host name")
sql = """
SELECT state_key FROM current_state_events AS c
INNER JOIN room_memberships AS m USING (event_id)
WHERE m.membership = 'join'
WHERE m.membership = ?
AND type = 'm.room.member'
AND c.room_id = ?
AND state_key LIKE ?
@ -722,7 +731,7 @@ class RoomMemberWorkerStore(EventsWorkerStore):
like_clause = "%:" + host
rows = await self.db_pool.execute(
"is_host_joined", None, sql, room_id, like_clause
"is_host_joined", None, sql, membership, room_id, like_clause
)
if not rows:

205
tests/handlers/test_space_summary.py
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@ -14,8 +14,18 @@
from typing import Any, Iterable, Optional, Tuple
from unittest import mock
from synapse.api.constants import EventContentFields, JoinRules, RoomTypes
from synapse.api.constants import (
EventContentFields,
EventTypes,
HistoryVisibility,
JoinRules,
Membership,
RestrictedJoinRuleTypes,
RoomTypes,
)
from synapse.api.errors import AuthError
from synapse.api.room_versions import RoomVersions
from synapse.events import make_event_from_dict
from synapse.handlers.space_summary import _child_events_comparison_key
from synapse.rest import admin
from synapse.rest.client.v1 import login, room
@ -117,7 +127,7 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
"""Add a child room to a space."""
self.helper.send_state(
space_id,
event_type="m.space.child",
event_type=EventTypes.SpaceChild,
body={"via": [self.hs.hostname]},
tok=token,
state_key=room_id,
@ -155,29 +165,129 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
# The user cannot see the space.
self.get_failure(self.handler.get_space_summary(user2, self.space), AuthError)
# Joining the room causes it to be visible.
# If the space is made world-readable it should return a result.
self.helper.send_state(
self.space,
event_type=EventTypes.RoomHistoryVisibility,
body={"history_visibility": HistoryVisibility.WORLD_READABLE},
tok=self.token,
)
result = self.get_success(self.handler.get_space_summary(user2, self.space))
self._assert_rooms(result, [self.space, self.room])
self._assert_events(result, [(self.space, self.room)])
# Make it not world-readable again and confirm it results in an error.
self.helper.send_state(
self.space,
event_type=EventTypes.RoomHistoryVisibility,
body={"history_visibility": HistoryVisibility.JOINED},
tok=self.token,
)
self.get_failure(self.handler.get_space_summary(user2, self.space), AuthError)
# Join the space and results should be returned.
self.helper.join(self.space, user2, tok=token2)
result = self.get_success(self.handler.get_space_summary(user2, self.space))
self._assert_rooms(result, [self.space, self.room])
self._assert_events(result, [(self.space, self.room)])
def _create_room_with_join_rule(
self, join_rule: str, room_version: Optional[str] = None, **extra_content
) -> str:
"""Create a room with the given join rule and add it to the space."""
room_id = self.helper.create_room_as(
self.user,
room_version=room_version,
tok=self.token,
extra_content={
"initial_state": [
{
"type": EventTypes.JoinRules,
"state_key": "",
"content": {
"join_rule": join_rule,
**extra_content,
},
}
]
},
)
self._add_child(self.space, room_id, self.token)
return room_id
def test_filtering(self):
"""
Rooms should be properly filtered to only include rooms the user has access to.
"""
user2 = self.register_user("user2", "pass")
token2 = self.login("user2", "pass")
# Create a few rooms which will have different properties.
public_room = self._create_room_with_join_rule(JoinRules.PUBLIC)
knock_room = self._create_room_with_join_rule(
JoinRules.KNOCK, room_version=RoomVersions.V7.identifier
)
not_invited_room = self._create_room_with_join_rule(JoinRules.INVITE)
invited_room = self._create_room_with_join_rule(JoinRules.INVITE)
self.helper.invite(invited_room, targ=user2, tok=self.token)
restricted_room = self._create_room_with_join_rule(
JoinRules.MSC3083_RESTRICTED,
room_version=RoomVersions.MSC3083.identifier,
allow=[],
)
restricted_accessible_room = self._create_room_with_join_rule(
JoinRules.MSC3083_RESTRICTED,
room_version=RoomVersions.MSC3083.identifier,
allow=[
{
"type": RestrictedJoinRuleTypes.ROOM_MEMBERSHIP,
"room_id": self.space,
"via": [self.hs.hostname],
}
],
)
world_readable_room = self._create_room_with_join_rule(JoinRules.INVITE)
self.helper.send_state(
world_readable_room,
event_type=EventTypes.RoomHistoryVisibility,
body={"history_visibility": HistoryVisibility.WORLD_READABLE},
tok=self.token,
)
joined_room = self._create_room_with_join_rule(JoinRules.INVITE)
self.helper.invite(joined_room, targ=user2, tok=self.token)
self.helper.join(joined_room, user2, tok=token2)
# Join the space.
self.helper.join(self.space, user2, tok=token2)
result = self.get_success(self.handler.get_space_summary(user2, self.space))
# The result should only have the space, but includes the link to the room.
self._assert_rooms(result, [self.space])
self._assert_events(result, [(self.space, self.room)])
def test_world_readable(self):
"""A world-readable room is visible to everyone."""
self.helper.send_state(
self.space,
event_type="m.room.history_visibility",
body={"history_visibility": "world_readable"},
tok=self.token,
self._assert_rooms(
result,
[
self.space,
self.room,
public_room,
knock_room,
invited_room,
restricted_accessible_room,
world_readable_room,
joined_room,
],
)
self._assert_events(
result,
[
(self.space, self.room),
(self.space, public_room),
(self.space, knock_room),
(self.space, not_invited_room),
(self.space, invited_room),
(self.space, restricted_room),
(self.space, restricted_accessible_room),
(self.space, world_readable_room),
(self.space, joined_room),
],
)
user2 = self.register_user("user2", "pass")
# The space should be visible, as well as the link to the room.
result = self.get_success(self.handler.get_space_summary(user2, self.space))
self._assert_rooms(result, [self.space])
self._assert_events(result, [(self.space, self.room)])
def test_complex_space(self):
"""
@ -186,7 +296,7 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
# Create an inaccessible room.
user2 = self.register_user("user2", "pass")
token2 = self.login("user2", "pass")
room2 = self.helper.create_room_as(user2, tok=token2)
room2 = self.helper.create_room_as(user2, is_public=False, tok=token2)
# This is a bit odd as "user" is adding a room they don't know about, but
# it works for the tests.
self._add_child(self.space, room2, self.token)
@ -292,16 +402,60 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
subspace = "#subspace:" + fed_hostname
# Create a few rooms which will have different properties.
public_room = "#public:" + fed_hostname
knock_room = "#knock:" + fed_hostname
not_invited_room = "#not_invited:" + fed_hostname
invited_room = "#invited:" + fed_hostname
restricted_room = "#restricted:" + fed_hostname
restricted_accessible_room = "#restricted_accessible:" + fed_hostname
world_readable_room = "#world_readable:" + fed_hostname
joined_room = self.helper.create_room_as(self.user, tok=self.token)
# Poke an invite over federation into the database.
fed_handler = self.hs.get_federation_handler()
event = make_event_from_dict(
{
"room_id": invited_room,
"event_id": "!abcd:" + fed_hostname,
"type": EventTypes.Member,
"sender": "@remote:" + fed_hostname,
"state_key": self.user,
"content": {"membership": Membership.INVITE},
"prev_events": [],
"auth_events": [],
"depth": 1,
"origin_server_ts": 1234,
}
)
self.get_success(
fed_handler.on_invite_request(fed_hostname, event, RoomVersions.V6)
)
async def summarize_remote_room(
_self, room, suggested_only, max_children, exclude_rooms
):
# Note that these entries are brief, but should contain enough info.
rooms = [
{
"room_id": public_room,
"world_readable": False,
"join_rules": JoinRules.PUBLIC,
},
{
"room_id": knock_room,
"world_readable": False,
"join_rules": JoinRules.KNOCK,
},
{
"room_id": not_invited_room,
"world_readable": False,
"join_rules": JoinRules.INVITE,
},
{
"room_id": invited_room,
"world_readable": False,
"join_rules": JoinRules.INVITE,
},
{
"room_id": restricted_room,
"world_readable": False,
@ -364,6 +518,9 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
self.space,
self.room,
subspace,
public_room,
knock_room,
invited_room,
restricted_accessible_room,
world_readable_room,
joined_room,
@ -374,6 +531,10 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
[
(self.space, self.room),
(self.space, subspace),
(subspace, public_room),
(subspace, knock_room),
(subspace, not_invited_room),
(subspace, invited_room),
(subspace, restricted_room),
(subspace, restricted_accessible_room),
(subspace, world_readable_room),