Support the stable /hierarchy endpoint from MSC2946 (#11329)

This also makes additional updates where the implementation
had drifted from the approved MSC.

Unstable endpoints will be removed at a later data.
This commit is contained in:
Patrick Cloke 2021-11-29 14:32:20 -05:00 committed by GitHub
parent d08ef6f155
commit a4521ce0a8
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11 changed files with 134 additions and 51 deletions

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@ -374,7 +374,7 @@ jobs:
working-directory: complement/dockerfiles
# Run Complement
- run: go test -v -tags synapse_blacklist,msc2403,msc2946 ./tests/...
- run: go test -v -tags synapse_blacklist,msc2403 ./tests/...
env:
COMPLEMENT_BASE_IMAGE: complement-synapse:latest
working-directory: complement

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@ -0,0 +1 @@
Support the stable API endpoints for [MSC2946](https://github.com/matrix-org/matrix-doc/pull/2946): the room `/hierarchy` endpoint.

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@ -210,7 +210,7 @@ expressions:
^/_matrix/federation/v1/get_groups_publicised$
^/_matrix/key/v2/query
^/_matrix/federation/unstable/org.matrix.msc2946/spaces/
^/_matrix/federation/unstable/org.matrix.msc2946/hierarchy/
^/_matrix/federation/(v1|unstable/org.matrix.msc2946)/hierarchy/
# Inbound federation transaction request
^/_matrix/federation/v1/send/
@ -223,7 +223,7 @@ expressions:
^/_matrix/client/(api/v1|r0|v3|unstable)/rooms/.*/members$
^/_matrix/client/(api/v1|r0|v3|unstable)/rooms/.*/state$
^/_matrix/client/unstable/org.matrix.msc2946/rooms/.*/spaces$
^/_matrix/client/unstable/org.matrix.msc2946/rooms/.*/hierarchy$
^/_matrix/client/(v1|unstable/org.matrix.msc2946)/rooms/.*/hierarchy$
^/_matrix/client/unstable/im.nheko.summary/rooms/.*/summary$
^/_matrix/client/(api/v1|r0|v3|unstable)/account/3pid$
^/_matrix/client/(api/v1|r0|v3|unstable)/devices$

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@ -65,4 +65,4 @@ if [[ -n "$1" ]]; then
fi
# Run the tests!
go test -v -tags synapse_blacklist,msc2946,msc2403 -count=1 $EXTRA_COMPLEMENT_ARGS ./tests/...
go test -v -tags synapse_blacklist,msc2403 -count=1 $EXTRA_COMPLEMENT_ARGS ./tests/...

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@ -194,6 +194,7 @@ class SynapseHomeServer(HomeServer):
{
"/_matrix/client/api/v1": client_resource,
"/_matrix/client/r0": client_resource,
"/_matrix/client/v1": client_resource,
"/_matrix/client/v3": client_resource,
"/_matrix/client/unstable": client_resource,
"/_matrix/client/v2_alpha": client_resource,

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@ -1395,11 +1395,28 @@ class FederationClient(FederationBase):
async def send_request(
destination: str,
) -> Tuple[JsonDict, Sequence[JsonDict], Sequence[str]]:
res = await self.transport_layer.get_room_hierarchy(
destination=destination,
room_id=room_id,
suggested_only=suggested_only,
)
try:
res = await self.transport_layer.get_room_hierarchy(
destination=destination,
room_id=room_id,
suggested_only=suggested_only,
)
except HttpResponseException as e:
# If an error is received that is due to an unrecognised endpoint,
# fallback to the unstable endpoint. Otherwise consider it a
# legitmate error and raise.
if not self._is_unknown_endpoint(e):
raise
logger.debug(
"Couldn't fetch room hierarchy with the v1 API, falling back to the unstable API"
)
res = await self.transport_layer.get_room_hierarchy_unstable(
destination=destination,
room_id=room_id,
suggested_only=suggested_only,
)
room = res.get("room")
if not isinstance(room, dict):
@ -1449,6 +1466,10 @@ class FederationClient(FederationBase):
if e.code != 502:
raise
logger.debug(
"Couldn't fetch room hierarchy, falling back to the spaces API"
)
# Fallback to the old federation API and translate the results if
# no servers implement the new API.
#

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@ -1192,10 +1192,24 @@ class TransportLayerClient:
)
async def get_room_hierarchy(
self,
destination: str,
room_id: str,
suggested_only: bool,
self, destination: str, room_id: str, suggested_only: bool
) -> JsonDict:
"""
Args:
destination: The remote server
room_id: The room ID to ask about.
suggested_only: if True, only suggested rooms will be returned
"""
path = _create_v1_path("/hierarchy/%s", room_id)
return await self.client.get_json(
destination=destination,
path=path,
args={"suggested_only": "true" if suggested_only else "false"},
)
async def get_room_hierarchy_unstable(
self, destination: str, room_id: str, suggested_only: bool
) -> JsonDict:
"""
Args:

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@ -611,7 +611,6 @@ class FederationSpaceSummaryServlet(BaseFederationServlet):
class FederationRoomHierarchyServlet(BaseFederationServlet):
PREFIX = FEDERATION_UNSTABLE_PREFIX + "/org.matrix.msc2946"
PATH = "/hierarchy/(?P<room_id>[^/]*)"
def __init__(
@ -637,6 +636,10 @@ class FederationRoomHierarchyServlet(BaseFederationServlet):
)
class FederationRoomHierarchyUnstableServlet(FederationRoomHierarchyServlet):
PREFIX = FEDERATION_UNSTABLE_PREFIX + "/org.matrix.msc2946"
class RoomComplexityServlet(BaseFederationServlet):
"""
Indicates to other servers how complex (and therefore likely
@ -701,6 +704,7 @@ FEDERATION_SERVLET_CLASSES: Tuple[Type[BaseFederationServlet], ...] = (
RoomComplexityServlet,
FederationSpaceSummaryServlet,
FederationRoomHierarchyServlet,
FederationRoomHierarchyUnstableServlet,
FederationV1SendKnockServlet,
FederationMakeKnockServlet,
)

View File

@ -36,8 +36,9 @@ from synapse.api.errors import (
SynapseError,
UnsupportedRoomVersionError,
)
from synapse.api.ratelimiting import Ratelimiter
from synapse.events import EventBase
from synapse.types import JsonDict
from synapse.types import JsonDict, Requester
from synapse.util.caches.response_cache import ResponseCache
if TYPE_CHECKING:
@ -93,6 +94,9 @@ class RoomSummaryHandler:
self._event_serializer = hs.get_event_client_serializer()
self._server_name = hs.hostname
self._federation_client = hs.get_federation_client()
self._ratelimiter = Ratelimiter(
store=self._store, clock=hs.get_clock(), rate_hz=5, burst_count=10
)
# If a user tries to fetch the same page multiple times in quick succession,
# only process the first attempt and return its result to subsequent requests.
@ -249,7 +253,7 @@ class RoomSummaryHandler:
async def get_room_hierarchy(
self,
requester: str,
requester: Requester,
requested_room_id: str,
suggested_only: bool = False,
max_depth: Optional[int] = None,
@ -276,6 +280,8 @@ class RoomSummaryHandler:
Returns:
The JSON hierarchy dictionary.
"""
await self._ratelimiter.ratelimit(requester)
# If a user tries to fetch the same page multiple times in quick succession,
# only process the first attempt and return its result to subsequent requests.
#
@ -283,7 +289,7 @@ class RoomSummaryHandler:
# to process multiple requests for the same page will result in errors.
return await self._pagination_response_cache.wrap(
(
requester,
requester.user.to_string(),
requested_room_id,
suggested_only,
max_depth,
@ -291,7 +297,7 @@ class RoomSummaryHandler:
from_token,
),
self._get_room_hierarchy,
requester,
requester.user.to_string(),
requested_room_id,
suggested_only,
max_depth,

View File

@ -1138,12 +1138,12 @@ class RoomSpaceSummaryRestServlet(RestServlet):
class RoomHierarchyRestServlet(RestServlet):
PATTERNS = (
PATTERNS = [
re.compile(
"^/_matrix/client/unstable/org.matrix.msc2946"
"^/_matrix/client/(v1|unstable/org.matrix.msc2946)"
"/rooms/(?P<room_id>[^/]*)/hierarchy$"
),
)
]
def __init__(self, hs: "HomeServer"):
super().__init__()
@ -1168,7 +1168,7 @@ class RoomHierarchyRestServlet(RestServlet):
)
return 200, await self._room_summary_handler.get_room_hierarchy(
requester.user.to_string(),
requester,
room_id,
suggested_only=parse_boolean(request, "suggested_only", default=False),
max_depth=max_depth,

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@ -32,7 +32,7 @@ from synapse.handlers.room_summary import _child_events_comparison_key, _RoomEnt
from synapse.rest import admin
from synapse.rest.client import login, room
from synapse.server import HomeServer
from synapse.types import JsonDict, UserID
from synapse.types import JsonDict, UserID, create_requester
from tests import unittest
@ -249,7 +249,7 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
self._assert_rooms(result, expected)
result = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space)
self.handler.get_room_hierarchy(create_requester(self.user), self.space)
)
self._assert_hierarchy(result, expected)
@ -263,7 +263,9 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
expected = [(self.space, [self.room]), (self.room, ())]
self._assert_rooms(result, expected)
result = self.get_success(self.handler.get_room_hierarchy(user2, self.space))
result = self.get_success(
self.handler.get_room_hierarchy(create_requester(user2), self.space)
)
self._assert_hierarchy(result, expected)
# If the space is made invite-only, it should no longer be viewable.
@ -274,7 +276,10 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
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)
self.get_failure(
self.handler.get_room_hierarchy(create_requester(user2), self.space),
AuthError,
)
# If the space is made world-readable it should return a result.
self.helper.send_state(
@ -286,7 +291,9 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
result = self.get_success(self.handler.get_space_summary(user2, self.space))
self._assert_rooms(result, expected)
result = self.get_success(self.handler.get_room_hierarchy(user2, self.space))
result = self.get_success(
self.handler.get_room_hierarchy(create_requester(user2), self.space)
)
self._assert_hierarchy(result, expected)
# Make it not world-readable again and confirm it results in an error.
@ -297,7 +304,10 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
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)
self.get_failure(
self.handler.get_room_hierarchy(create_requester(user2), self.space),
AuthError,
)
# Join the space and results should be returned.
self.helper.invite(self.space, targ=user2, tok=self.token)
@ -305,7 +315,9 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
result = self.get_success(self.handler.get_space_summary(user2, self.space))
self._assert_rooms(result, expected)
result = self.get_success(self.handler.get_room_hierarchy(user2, self.space))
result = self.get_success(
self.handler.get_room_hierarchy(create_requester(user2), self.space)
)
self._assert_hierarchy(result, expected)
# Attempting to view an unknown room returns the same error.
@ -314,7 +326,9 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
AuthError,
)
self.get_failure(
self.handler.get_room_hierarchy(user2, "#not-a-space:" + self.hs.hostname),
self.handler.get_room_hierarchy(
create_requester(user2), "#not-a-space:" + self.hs.hostname
),
AuthError,
)
@ -322,10 +336,10 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
"""In-flight room hierarchy requests are deduplicated."""
# Run two `get_room_hierarchy` calls up until they block.
deferred1 = ensureDeferred(
self.handler.get_room_hierarchy(self.user, self.space)
self.handler.get_room_hierarchy(create_requester(self.user), self.space)
)
deferred2 = ensureDeferred(
self.handler.get_room_hierarchy(self.user, self.space)
self.handler.get_room_hierarchy(create_requester(self.user), self.space)
)
# Complete the two calls.
@ -340,7 +354,7 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
# A subsequent `get_room_hierarchy` call should not reuse the result.
result3 = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space)
self.handler.get_room_hierarchy(create_requester(self.user), self.space)
)
self._assert_hierarchy(result3, expected)
self.assertIsNot(result1, result3)
@ -359,9 +373,11 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
# Run two `get_room_hierarchy` calls for different users up until they block.
deferred1 = ensureDeferred(
self.handler.get_room_hierarchy(self.user, self.space)
self.handler.get_room_hierarchy(create_requester(self.user), self.space)
)
deferred2 = ensureDeferred(
self.handler.get_room_hierarchy(create_requester(user2), self.space)
)
deferred2 = ensureDeferred(self.handler.get_room_hierarchy(user2, self.space))
# Complete the two calls.
result1 = self.get_success(deferred1)
@ -465,7 +481,9 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
]
self._assert_rooms(result, expected)
result = self.get_success(self.handler.get_room_hierarchy(user2, self.space))
result = self.get_success(
self.handler.get_room_hierarchy(create_requester(user2), self.space)
)
self._assert_hierarchy(result, expected)
def test_complex_space(self):
@ -507,7 +525,7 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
self._assert_rooms(result, expected)
result = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space)
self.handler.get_room_hierarchy(create_requester(self.user), self.space)
)
self._assert_hierarchy(result, expected)
@ -522,7 +540,9 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
room_ids.append(self.room)
result = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space, limit=7)
self.handler.get_room_hierarchy(
create_requester(self.user), self.space, limit=7
)
)
# The result should have the space and all of the links, plus some of the
# rooms and a pagination token.
@ -534,7 +554,10 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
# Check the next page.
result = self.get_success(
self.handler.get_room_hierarchy(
self.user, self.space, limit=5, from_token=result["next_batch"]
create_requester(self.user),
self.space,
limit=5,
from_token=result["next_batch"],
)
)
# The result should have the space and the room in it, along with a link
@ -554,20 +577,22 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
room_ids.append(self.room)
result = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space, limit=7)
self.handler.get_room_hierarchy(
create_requester(self.user), self.space, limit=7
)
)
self.assertIn("next_batch", result)
# Changing the room ID, suggested-only, or max-depth causes an error.
self.get_failure(
self.handler.get_room_hierarchy(
self.user, self.room, from_token=result["next_batch"]
create_requester(self.user), self.room, from_token=result["next_batch"]
),
SynapseError,
)
self.get_failure(
self.handler.get_room_hierarchy(
self.user,
create_requester(self.user),
self.space,
suggested_only=True,
from_token=result["next_batch"],
@ -576,14 +601,19 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
)
self.get_failure(
self.handler.get_room_hierarchy(
self.user, self.space, max_depth=0, from_token=result["next_batch"]
create_requester(self.user),
self.space,
max_depth=0,
from_token=result["next_batch"],
),
SynapseError,
)
# An invalid token is ignored.
self.get_failure(
self.handler.get_room_hierarchy(self.user, self.space, from_token="foo"),
self.handler.get_room_hierarchy(
create_requester(self.user), self.space, from_token="foo"
),
SynapseError,
)
@ -609,14 +639,18 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
# Test just the space itself.
result = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space, max_depth=0)
self.handler.get_room_hierarchy(
create_requester(self.user), self.space, max_depth=0
)
)
expected: List[Tuple[str, Iterable[str]]] = [(spaces[0], [rooms[0], spaces[1]])]
self._assert_hierarchy(result, expected)
# A single additional layer.
result = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space, max_depth=1)
self.handler.get_room_hierarchy(
create_requester(self.user), self.space, max_depth=1
)
)
expected += [
(rooms[0], ()),
@ -626,7 +660,9 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
# A few layers.
result = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space, max_depth=3)
self.handler.get_room_hierarchy(
create_requester(self.user), self.space, max_depth=3
)
)
expected += [
(rooms[1], ()),
@ -657,7 +693,7 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
self._assert_rooms(result, expected)
result = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space)
self.handler.get_room_hierarchy(create_requester(self.user), self.space)
)
self._assert_hierarchy(result, expected)
@ -739,7 +775,7 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
new=summarize_remote_room_hierarchy,
):
result = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space)
self.handler.get_room_hierarchy(create_requester(self.user), self.space)
)
self._assert_hierarchy(result, expected)
@ -906,7 +942,7 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
new=summarize_remote_room_hierarchy,
):
result = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space)
self.handler.get_room_hierarchy(create_requester(self.user), self.space)
)
self._assert_hierarchy(result, expected)
@ -964,7 +1000,7 @@ class SpaceSummaryTestCase(unittest.HomeserverTestCase):
new=summarize_remote_room_hierarchy,
):
result = self.get_success(
self.handler.get_room_hierarchy(self.user, self.space)
self.handler.get_room_hierarchy(create_requester(self.user), self.space)
)
self._assert_hierarchy(result, expected)