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Use the proper serialization format when bundling aggregations. (#12090)

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This ensures that the `latest_event` field of the bundled aggregation
for threads uses the same format as the other events in the response.
This commit is contained in:
Patrick Cloke 2022-03-03 10:43:06 -05:00 committed by GitHub
parent a511a890d7
commit 1d11b452b7
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10 changed files with 130 additions and 143 deletions
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1
changelog.d/12090.bugfix Normal file
View File

@ -0,0 +1 @@
Use the proper serialization format for bundled thread aggregations. The bug has existed since Synapse v1.48.0.

24
synapse/appservice/api.py
View File

@ -25,7 +25,7 @@ from synapse.appservice import (
TransactionUnusedFallbackKeys,
)
from synapse.events import EventBase
from synapse.events.utils import serialize_event
from synapse.events.utils import SerializeEventConfig, serialize_event
from synapse.http.client import SimpleHttpClient
from synapse.types import JsonDict, ThirdPartyInstanceID
from synapse.util.caches.response_cache import ResponseCache
@ -321,16 +321,18 @@ class ApplicationServiceApi(SimpleHttpClient):
serialize_event(
e,
time_now,
as_client_event=True,
# If this is an invite or a knock membership event, and we're interested
# in this user, then include any stripped state alongside the event.
include_stripped_room_state=(
e.type == EventTypes.Member
and (
e.membership == Membership.INVITE
or e.membership == Membership.KNOCK
)
and service.is_interested_in_user(e.state_key)
config=SerializeEventConfig(
as_client_event=True,
# If this is an invite or a knock membership event, and we're interested
# in this user, then include any stripped state alongside the event.
include_stripped_room_state=(
e.type == EventTypes.Member
and (
e.membership == Membership.INVITE
or e.membership == Membership.KNOCK
)
and service.is_interested_in_user(e.state_key)
),
),
)
for e in events

81
synapse/events/utils.py
View File

@ -26,6 +26,7 @@ from typing import (
Union,
)
import attr
from frozendict import frozendict
from synapse.api.constants import EventContentFields, EventTypes, RelationTypes
@ -303,29 +304,37 @@ def format_event_for_client_v2_without_room_id(d: JsonDict) -> JsonDict:
return d
@attr.s(slots=True, frozen=True, auto_attribs=True)
class SerializeEventConfig:
as_client_event: bool = True
# Function to convert from federation format to client format
event_format: Callable[[JsonDict], JsonDict] = format_event_for_client_v1
# ID of the user's auth token - used for namespacing of transaction IDs
token_id: Optional[int] = None
# List of event fields to include. If empty, all fields will be returned.
only_event_fields: Optional[List[str]] = None
# Some events can have stripped room state stored in the `unsigned` field.
# This is required for invite and knock functionality. If this option is
# False, that state will be removed from the event before it is returned.
# Otherwise, it will be kept.
include_stripped_room_state: bool = False
_DEFAULT_SERIALIZE_EVENT_CONFIG = SerializeEventConfig()
def serialize_event(
e: Union[JsonDict, EventBase],
time_now_ms: int,
*,
as_client_event: bool = True,
event_format: Callable[[JsonDict], JsonDict] = format_event_for_client_v1,
token_id: Optional[str] = None,
only_event_fields: Optional[List[str]] = None,
include_stripped_room_state: bool = False,
config: SerializeEventConfig = _DEFAULT_SERIALIZE_EVENT_CONFIG,
) -> JsonDict:
"""Serialize event for clients
Args:
e
time_now_ms
as_client_event
event_format
token_id
only_event_fields
include_stripped_room_state: Some events can have stripped room state
stored in the `unsigned` field. This is required for invite and knock
functionality. If this option is False, that state will be removed from the
event before it is returned. Otherwise, it will be kept.
config: Event serialization config
Returns:
The serialized event dictionary.
@ -348,11 +357,11 @@ def serialize_event(
if "redacted_because" in e.unsigned:
d["unsigned"]["redacted_because"] = serialize_event(
e.unsigned["redacted_because"], time_now_ms, event_format=event_format
e.unsigned["redacted_because"], time_now_ms, config=config
)
if token_id is not None:
if token_id == getattr(e.internal_metadata, "token_id", None):
if config.token_id is not None:
if config.token_id == getattr(e.internal_metadata, "token_id", None):
txn_id = getattr(e.internal_metadata, "txn_id", None)
if txn_id is not None:
d["unsigned"]["transaction_id"] = txn_id
@ -361,13 +370,14 @@ def serialize_event(
# that are meant to provide metadata about a room to an invitee/knocker. They are
# intended to only be included in specific circumstances, such as down sync, and
# should not be included in any other case.
if not include_stripped_room_state:
if not config.include_stripped_room_state:
d["unsigned"].pop("invite_room_state", None)
d["unsigned"].pop("knock_room_state", None)
if as_client_event:
d = event_format(d)
if config.as_client_event:
d = config.event_format(d)
only_event_fields = config.only_event_fields
if only_event_fields:
if not isinstance(only_event_fields, list) or not all(
isinstance(f, str) for f in only_event_fields
@ -390,18 +400,18 @@ class EventClientSerializer:
event: Union[JsonDict, EventBase],
time_now: int,
*,
config: SerializeEventConfig = _DEFAULT_SERIALIZE_EVENT_CONFIG,
bundle_aggregations: Optional[Dict[str, "BundledAggregations"]] = None,
**kwargs: Any,
) -> JsonDict:
"""Serializes a single event.
Args:
event: The event being serialized.
time_now: The current time in milliseconds
config: Event serialization config
bundle_aggregations: Whether to include the bundled aggregations for this
event. Only applies to non-state events. (State events never include
bundled aggregations.)
**kwargs: Arguments to pass to `serialize_event`
Returns:
The serialized event
@ -410,7 +420,7 @@ class EventClientSerializer:
if not isinstance(event, EventBase):
return event
serialized_event = serialize_event(event, time_now, **kwargs)
serialized_event = serialize_event(event, time_now, config=config)
# Check if there are any bundled aggregations to include with the event.
if bundle_aggregations:
@ -419,6 +429,7 @@ class EventClientSerializer:
self._inject_bundled_aggregations(
event,
time_now,
config,
bundle_aggregations[event.event_id],
serialized_event,
)
@ -456,6 +467,7 @@ class EventClientSerializer:
self,
event: EventBase,
time_now: int,
config: SerializeEventConfig,
aggregations: "BundledAggregations",
serialized_event: JsonDict,
) -> None:
@ -466,6 +478,7 @@ class EventClientSerializer:
time_now: The current time in milliseconds
aggregations: The bundled aggregation to serialize.
serialized_event: The serialized event which may be modified.
config: Event serialization config
"""
serialized_aggregations = {}
@ -493,8 +506,8 @@ class EventClientSerializer:
thread = aggregations.thread
# Don't bundle aggregations as this could recurse forever.
serialized_latest_event = self.serialize_event(
thread.latest_event, time_now, bundle_aggregations=None
serialized_latest_event = serialize_event(
thread.latest_event, time_now, config=config
)
# Manually apply an edit, if one exists.
if thread.latest_edit:
@ -515,20 +528,34 @@ class EventClientSerializer:
)
def serialize_events(
self, events: Iterable[Union[JsonDict, EventBase]], time_now: int, **kwargs: Any
self,
events: Iterable[Union[JsonDict, EventBase]],
time_now: int,
*,
config: SerializeEventConfig = _DEFAULT_SERIALIZE_EVENT_CONFIG,
bundle_aggregations: Optional[Dict[str, "BundledAggregations"]] = None,
) -> List[JsonDict]:
"""Serializes multiple events.
Args:
event
time_now: The current time in milliseconds
**kwargs: Arguments to pass to `serialize_event`
config: Event serialization config
bundle_aggregations: Whether to include the bundled aggregations for this
event. Only applies to non-state events. (State events never include
bundled aggregations.)
Returns:
The list of serialized events
"""
return [
self.serialize_event(event, time_now=time_now, **kwargs) for event in events
self.serialize_event(
event,
time_now,
config=config,
bundle_aggregations=bundle_aggregations,
)
for event in events
]

3
synapse/handlers/events.py
View File

@ -19,6 +19,7 @@ from typing import TYPE_CHECKING, Iterable, List, Optional
from synapse.api.constants import EduTypes, EventTypes, Membership
from synapse.api.errors import AuthError, SynapseError
from synapse.events import EventBase
from synapse.events.utils import SerializeEventConfig
from synapse.handlers.presence import format_user_presence_state
from synapse.streams.config import PaginationConfig
from synapse.types import JsonDict, UserID
@ -120,7 +121,7 @@ class EventStreamHandler:
chunks = self._event_serializer.serialize_events(
events,
time_now,
as_client_event=as_client_event,
config=SerializeEventConfig(as_client_event=as_client_event),
)
chunk = {

9
synapse/handlers/initial_sync.py
View File

@ -18,6 +18,7 @@ from typing import TYPE_CHECKING, List, Optional, Tuple, cast
from synapse.api.constants import EduTypes, EventTypes, Membership
from synapse.api.errors import SynapseError
from synapse.events import EventBase
from synapse.events.utils import SerializeEventConfig
from synapse.events.validator import EventValidator
from synapse.handlers.presence import format_user_presence_state
from synapse.handlers.receipts import ReceiptEventSource
@ -156,6 +157,8 @@ class InitialSyncHandler:
if limit is None:
limit = 10
serializer_options = SerializeEventConfig(as_client_event=as_client_event)
async def handle_room(event: RoomsForUser) -> None:
d: JsonDict = {
"room_id": event.room_id,
@ -173,7 +176,7 @@ class InitialSyncHandler:
d["invite"] = self._event_serializer.serialize_event(
invite_event,
time_now,
as_client_event=as_client_event,
config=serializer_options,
)
rooms_ret.append(d)
@ -225,7 +228,7 @@ class InitialSyncHandler:
self._event_serializer.serialize_events(
messages,
time_now=time_now,
as_client_event=as_client_event,
config=serializer_options,
)
),
"start": await start_token.to_string(self.store),
@ -235,7 +238,7 @@ class InitialSyncHandler:
d["state"] = self._event_serializer.serialize_events(
current_state.values(),
time_now=time_now,
as_client_event=as_client_event,
config=serializer_options,
)
account_data_events = []

7
synapse/handlers/pagination.py
View File

@ -22,6 +22,7 @@ from twisted.python.failure import Failure
from synapse.api.constants import EventTypes, Membership
from synapse.api.errors import SynapseError
from synapse.api.filtering import Filter
from synapse.events.utils import SerializeEventConfig
from synapse.handlers.room import ShutdownRoomResponse
from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.storage.state import StateFilter
@ -541,13 +542,15 @@ class PaginationHandler:
time_now = self.clock.time_msec()
serialize_options = SerializeEventConfig(as_client_event=as_client_event)
chunk = {
"chunk": (
self._event_serializer.serialize_events(
events,
time_now,
config=serialize_options,
bundle_aggregations=aggregations,
as_client_event=as_client_event,
)
),
"start": await from_token.to_string(self.store),
@ -556,7 +559,7 @@ class PaginationHandler:
if state:
chunk["state"] = self._event_serializer.serialize_events(
state, time_now, as_client_event=as_client_event
state, time_now, config=serialize_options
)
return chunk

9
synapse/rest/client/notifications.py
View File

@ -16,7 +16,10 @@ import logging
from typing import TYPE_CHECKING, Tuple
from synapse.api.constants import ReceiptTypes
from synapse.events.utils import format_event_for_client_v2_without_room_id
from synapse.events.utils import (
SerializeEventConfig,
format_event_for_client_v2_without_room_id,
)
from synapse.http.server import HttpServer
from synapse.http.servlet import RestServlet, parse_integer, parse_string
from synapse.http.site import SynapseRequest
@ -75,7 +78,9 @@ class NotificationsServlet(RestServlet):
self._event_serializer.serialize_event(
notif_events[pa.event_id],
self.clock.time_msec(),
event_format=format_event_for_client_v2_without_room_id,
config=SerializeEventConfig(
event_format=format_event_for_client_v2_without_room_id
),
)
),
}

132
synapse/rest/client/sync.py
View File

@ -14,24 +14,14 @@
import itertools
import logging
from collections import defaultdict
from typing import (
TYPE_CHECKING,
Any,
Callable,
Dict,
Iterable,
List,
Optional,
Tuple,
Union,
)
from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple, Union
from synapse.api.constants import Membership, PresenceState
from synapse.api.errors import Codes, StoreError, SynapseError
from synapse.api.filtering import FilterCollection
from synapse.api.presence import UserPresenceState
from synapse.events import EventBase
from synapse.events.utils import (
SerializeEventConfig,
format_event_for_client_v2_without_room_id,
format_event_raw,
)
@ -48,7 +38,6 @@ from synapse.http.server import HttpServer
from synapse.http.servlet import RestServlet, parse_boolean, parse_integer, parse_string
from synapse.http.site import SynapseRequest
from synapse.logging.opentracing import trace
from synapse.storage.databases.main.relations import BundledAggregations
from synapse.types import JsonDict, StreamToken
from synapse.util import json_decoder
@ -239,28 +228,31 @@ class SyncRestServlet(RestServlet):
else:
raise Exception("Unknown event format %s" % (filter.event_format,))
serialize_options = SerializeEventConfig(
event_format=event_formatter,
token_id=access_token_id,
only_event_fields=filter.event_fields,
)
stripped_serialize_options = SerializeEventConfig(
event_format=event_formatter,
token_id=access_token_id,
include_stripped_room_state=True,
)
joined = await self.encode_joined(
sync_result.joined,
time_now,
access_token_id,
filter.event_fields,
event_formatter,
sync_result.joined, time_now, serialize_options
)
invited = await self.encode_invited(
sync_result.invited, time_now, access_token_id, event_formatter
sync_result.invited, time_now, stripped_serialize_options
)
knocked = await self.encode_knocked(
sync_result.knocked, time_now, access_token_id, event_formatter
sync_result.knocked, time_now, stripped_serialize_options
)
archived = await self.encode_archived(
sync_result.archived,
time_now,
access_token_id,
filter.event_fields,
event_formatter,
sync_result.archived, time_now, serialize_options
)
logger.debug("building sync response dict")
@ -339,9 +331,7 @@ class SyncRestServlet(RestServlet):
self,
rooms: List[JoinedSyncResult],
time_now: int,
token_id: Optional[int],
event_fields: List[str],
event_formatter: Callable[[JsonDict], JsonDict],
serialize_options: SerializeEventConfig,
) -> JsonDict:
"""
Encode the joined rooms in a sync result
@ -349,24 +339,14 @@ class SyncRestServlet(RestServlet):
Args:
rooms: list of sync results for rooms this user is joined to
time_now: current time - used as a baseline for age calculations
token_id: ID of the user's auth token - used for namespacing
of transaction IDs
event_fields: List of event fields to include. If empty,
all fields will be returned.
event_formatter: function to convert from federation format
to client format
serialize_options: Event serializer options
Returns:
The joined rooms list, in our response format
"""
joined = {}
for room in rooms:
joined[room.room_id] = await self.encode_room(
room,
time_now,
token_id,
joined=True,
only_fields=event_fields,
event_formatter=event_formatter,
room, time_now, joined=True, serialize_options=serialize_options
)
return joined
@ -376,8 +356,7 @@ class SyncRestServlet(RestServlet):
self,
rooms: List[InvitedSyncResult],
time_now: int,
token_id: Optional[int],
event_formatter: Callable[[JsonDict], JsonDict],
serialize_options: SerializeEventConfig,
) -> JsonDict:
"""
Encode the invited rooms in a sync result
@ -385,10 +364,7 @@ class SyncRestServlet(RestServlet):
Args:
rooms: list of sync results for rooms this user is invited to
time_now: current time - used as a baseline for age calculations
token_id: ID of the user's auth token - used for namespacing
of transaction IDs
event_formatter: function to convert from federation format
to client format
serialize_options: Event serializer options
Returns:
The invited rooms list, in our response format
@ -396,11 +372,7 @@ class SyncRestServlet(RestServlet):
invited = {}
for room in rooms:
invite = self._event_serializer.serialize_event(
room.invite,
time_now,
token_id=token_id,
event_format=event_formatter,
include_stripped_room_state=True,
room.invite, time_now, config=serialize_options
)
unsigned = dict(invite.get("unsigned", {}))
invite["unsigned"] = unsigned
@ -415,8 +387,7 @@ class SyncRestServlet(RestServlet):
self,
rooms: List[KnockedSyncResult],
time_now: int,
token_id: Optional[int],
event_formatter: Callable[[Dict], Dict],
serialize_options: SerializeEventConfig,
) -> Dict[str, Dict[str, Any]]:
"""
Encode the rooms we've knocked on in a sync result.
@ -424,8 +395,7 @@ class SyncRestServlet(RestServlet):
Args:
rooms: list of sync results for rooms this user is knocking on
time_now: current time - used as a baseline for age calculations
token_id: ID of the user's auth token - used for namespacing of transaction IDs
event_formatter: function to convert from federation format to client format
serialize_options: Event serializer options
Returns:
The list of rooms the user has knocked on, in our response format.
@ -433,11 +403,7 @@ class SyncRestServlet(RestServlet):
knocked = {}
for room in rooms:
knock = self._event_serializer.serialize_event(
room.knock,
time_now,
token_id=token_id,
event_format=event_formatter,
include_stripped_room_state=True,
room.knock, time_now, config=serialize_options
)
# Extract the `unsigned` key from the knock event.
@ -470,9 +436,7 @@ class SyncRestServlet(RestServlet):
self,
rooms: List[ArchivedSyncResult],
time_now: int,
token_id: Optional[int],
event_fields: List[str],
event_formatter: Callable[[JsonDict], JsonDict],
serialize_options: SerializeEventConfig,
) -> JsonDict:
"""
Encode the archived rooms in a sync result
@ -480,23 +444,14 @@ class SyncRestServlet(RestServlet):
Args:
rooms: list of sync results for rooms this user is joined to
time_now: current time - used as a baseline for age calculations
token_id: ID of the user's auth token - used for namespacing
of transaction IDs
event_fields: List of event fields to include. If empty,
all fields will be returned.
event_formatter: function to convert from federation format to client format
serialize_options: Event serializer options
Returns:
The archived rooms list, in our response format
"""
joined = {}
for room in rooms:
joined[room.room_id] = await self.encode_room(
room,
time_now,
token_id,
joined=False,
only_fields=event_fields,
event_formatter=event_formatter,
room, time_now, joined=False, serialize_options=serialize_options
)
return joined
@ -505,10 +460,8 @@ class SyncRestServlet(RestServlet):
self,
room: Union[JoinedSyncResult, ArchivedSyncResult],
time_now: int,
token_id: Optional[int],
joined: bool,
only_fields: Optional[List[str]],
event_formatter: Callable[[JsonDict], JsonDict],
serialize_options: SerializeEventConfig,
) -> JsonDict:
"""
Args:
@ -524,20 +477,6 @@ class SyncRestServlet(RestServlet):
Returns:
The room, encoded in our response format
"""
def serialize(
events: Iterable[EventBase],
aggregations: Optional[Dict[str, BundledAggregations]] = None,
) -> List[JsonDict]:
return self._event_serializer.serialize_events(
events,
time_now=time_now,
bundle_aggregations=aggregations,
token_id=token_id,
event_format=event_formatter,
only_event_fields=only_fields,
)
state_dict = room.state
timeline_events = room.timeline.events
@ -554,9 +493,14 @@ class SyncRestServlet(RestServlet):
event.room_id,
)
serialized_state = serialize(state_events)
serialized_timeline = serialize(
timeline_events, room.timeline.bundled_aggregations
serialized_state = self._event_serializer.serialize_events(
state_events, time_now, config=serialize_options
)
serialized_timeline = self._event_serializer.serialize_events(
timeline_events,
time_now,
config=serialize_options,
bundle_aggregations=room.timeline.bundled_aggregations,
)
account_data = room.account_data

5
tests/events/test_utils.py
View File

@ -16,6 +16,7 @@ from synapse.api.constants import EventContentFields
from synapse.api.room_versions import RoomVersions
from synapse.events import make_event_from_dict
from synapse.events.utils import (
SerializeEventConfig,
copy_power_levels_contents,
prune_event,
serialize_event,
@ -392,7 +393,9 @@ class PruneEventTestCase(unittest.TestCase):
class SerializeEventTestCase(unittest.TestCase):
def serialize(self, ev, fields):
return serialize_event(ev, 1479807801915, only_event_fields=fields)
return serialize_event(
ev, 1479807801915, config=SerializeEventConfig(only_event_fields=fields)
)
def test_event_fields_works_with_keys(self):
self.assertEqual(

2
tests/rest/client/test_relations.py
View File

@ -704,10 +704,8 @@ class RelationsTestCase(BaseRelationsTestCase):
}
},
"event_id": thread_2,
"room_id": self.room,
"sender": self.user_id,
"type": "m.room.test",
"user_id": self.user_id,
},
relations_dict[RelationTypes.THREAD].get("latest_event"),
)