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Allow requesting the summary of a space which is joinable. (#10580) 

As opposed to only allowing the summary of spaces which the user is
already in or has world-readable visibility.

This makes the logic consistent with whether a space/room is returned
as part of a space and whether a space summary can start at a space.
This commit is contained in:
Patrick Cloke 2021-08-11 15:04:51 -04:00 committed by GitHub
parent 5acd8b5a96
commit 3ebb6694f0
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3 changed files with 45 additions and 15 deletions
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1
changelog.d/10580.bugfix Normal file
View File

@ -0,0 +1 @@
Allow public rooms to be previewed in the spaces summary APIs from [MSC2946](https://github.com/matrix-org/matrix-doc/pull/2946).

31
synapse/handlers/space_summary.py
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@ -38,7 +38,7 @@ from synapse.api.constants import (
Membership,
RoomTypes,
)
from synapse.api.errors import Codes, SynapseError
from synapse.api.errors import AuthError, Codes, SynapseError
from synapse.events import EventBase
from synapse.events.utils import format_event_for_client_v2
from synapse.types import JsonDict
@ -91,7 +91,6 @@ class SpaceSummaryHandler:
def __init__(self, hs: "HomeServer"):
self._clock = hs.get_clock()
self._auth = hs.get_auth()
self._event_auth_handler = hs.get_event_auth_handler()
self._store = hs.get_datastore()
self._event_serializer = hs.get_event_client_serializer()
@ -153,9 +152,13 @@ class SpaceSummaryHandler:
Returns:
summary dict to return
"""
# first of all, check that the user is in the room in question (or it's
# world-readable)
await self._auth.check_user_in_room_or_world_readable(room_id, requester)
# First of all, check that the room is accessible.
if not await self._is_local_room_accessible(room_id, requester):
raise AuthError(
403,
"User %s not in room %s, and room previews are disabled"
% (requester, room_id),
)
# the queue of rooms to process
room_queue = deque((_RoomQueueEntry(room_id, ()),))
@ -324,11 +327,13 @@ class SpaceSummaryHandler:
) -> JsonDict:
"""See docstring for SpaceSummaryHandler.get_room_hierarchy."""
# first of all, check that the user is in the room in question (or it's
# world-readable)
await self._auth.check_user_in_room_or_world_readable(
requested_room_id, requester
)
# First of all, check that the room is accessible.
if not await self._is_local_room_accessible(requested_room_id, requester):
raise AuthError(
403,
"User %s not in room %s, and room previews are disabled"
% (requester, requested_room_id),
)
# If this is continuing a previous session, pull the persisted data.
if from_token:
@ -612,7 +617,7 @@ class SpaceSummaryHandler:
return results
async def _is_local_room_accessible(
self, room_id: str, requester: Optional[str], origin: Optional[str]
self, room_id: str, requester: Optional[str], origin: Optional[str] = None
) -> bool:
"""
Calculate whether the room should be shown in the spaces summary.
@ -766,7 +771,7 @@ class SpaceSummaryHandler:
# Finally, check locally if we can access the room. The user might
# already be in the room (if it was a child room), or there might be a
# pending invite, etc.
return await self._is_local_room_accessible(room_id, requester, None)
return await self._is_local_room_accessible(room_id, requester)
async def _build_room_entry(self, room_id: str, for_federation: bool) -> JsonDict:
"""
@ -783,7 +788,7 @@ class SpaceSummaryHandler:
stats = await self._store.get_room_with_stats(room_id)
# currently this should be impossible because we call
# check_user_in_room_or_world_readable on the room before we get here, so
# _is_local_room_accessible on the room before we get here, so
# there should always be an entry
assert stats is not None, "unable to retrieve stats for %s" % (room_id,)

28
tests/handlers/test_space_summary.py
View File

@ -248,7 +248,21 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
user2 = self.register_user("user2", "pass")
token2 = self.login("user2", "pass")
# The user cannot see the space.
# The user can see the space since it is publicly joinable.
result = self.get_success(self.handler.get_space_summary(user2, self.space))
expected = [(self.space, [self.room]), (self.room, ())]
self._assert_rooms(result, expected)
result = self.get_success(self.handler.get_room_hierarchy(user2, self.space))
self._assert_hierarchy(result, expected)
# If the space is made invite-only, it should no longer be viewable.
self.helper.send_state(
self.space,
event_type=EventTypes.JoinRules,
body={"join_rule": JoinRules.INVITE},
tok=self.token,
)
self.get_failure(self.handler.get_space_summary(user2, self.space), AuthError)
self.get_failure(self.handler.get_room_hierarchy(user2, self.space), AuthError)
@ -260,7 +274,6 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
tok=self.token,
)
result = self.get_success(self.handler.get_space_summary(user2, self.space))
expected = [(self.space, [self.room]), (self.room, ())]
self._assert_rooms(result, expected)
result = self.get_success(self.handler.get_room_hierarchy(user2, self.space))
@ -277,6 +290,7 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
self.get_failure(self.handler.get_room_hierarchy(user2, self.space), AuthError)
# Join the space and results should be returned.
self.helper.invite(self.space, targ=user2, tok=self.token)
self.helper.join(self.space, user2, tok=token2)
result = self.get_success(self.handler.get_space_summary(user2, self.space))
self._assert_rooms(result, expected)
@ -284,6 +298,16 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
result = self.get_success(self.handler.get_room_hierarchy(user2, self.space))
self._assert_hierarchy(result, expected)
# Attempting to view an unknown room returns the same error.
self.get_failure(
self.handler.get_space_summary(user2, "#not-a-space:" + self.hs.hostname),
AuthError,
)
self.get_failure(
self.handler.get_room_hierarchy(user2, "#not-a-space:" + self.hs.hostname),
AuthError,
)
def _create_room_with_join_rule(
self, join_rule: str, room_version: Optional[str] = None, **extra_content
) -> str: