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Merge pull request #6820 from matrix-org/rav/get_room_version_id

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Make `get_room_version` return a RoomVersion object
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Richard van der Hoff 2020-01-31 10:56:42 +00:00 committed by GitHub
commit 160522e32c
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14 changed files with 64 additions and 38 deletions
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1
changelog.d/6820.misc Normal file
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@ -0,0 +1 @@
Refactoring work in preparation for changing the event redaction algorithm.

6
synapse/api/errors.py
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@ -402,11 +402,9 @@ class UnsupportedRoomVersionError(SynapseError):
"""The client's request to create a room used a room version that the server does
not support."""
def __init__(self):
def __init__(self, msg="Homeserver does not support this room version"):
super(UnsupportedRoomVersionError, self).__init__(
code=400,
msg="Homeserver does not support this room version",
errcode=Codes.UNSUPPORTED_ROOM_VERSION,
code=400, msg=msg, errcode=Codes.UNSUPPORTED_ROOM_VERSION,
)

10
synapse/federation/federation_client.py
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@ -198,7 +198,7 @@ class FederationClient(FederationBase):
logger.debug("backfill transaction_data=%r", transaction_data)
room_version = yield self.store.get_room_version(room_id)
room_version = yield self.store.get_room_version_id(room_id)
format_ver = room_version_to_event_format(room_version)
pdus = [
@ -336,7 +336,7 @@ class FederationClient(FederationBase):
def get_event_auth(self, destination, room_id, event_id):
res = yield self.transport_layer.get_event_auth(destination, room_id, event_id)
room_version = yield self.store.get_room_version(room_id)
room_version = yield self.store.get_room_version_id(room_id)
format_ver = room_version_to_event_format(room_version)
auth_chain = [
@ -649,7 +649,7 @@ class FederationClient(FederationBase):
@defer.inlineCallbacks
def send_invite(self, destination, room_id, event_id, pdu):
room_version = yield self.store.get_room_version(room_id)
room_version = yield self.store.get_room_version_id(room_id)
content = yield self._do_send_invite(destination, pdu, room_version)
@ -657,7 +657,7 @@ class FederationClient(FederationBase):
logger.debug("Got response to send_invite: %s", pdu_dict)
room_version = yield self.store.get_room_version(room_id)
room_version = yield self.store.get_room_version_id(room_id)
format_ver = room_version_to_event_format(room_version)
pdu = event_from_pdu_json(pdu_dict, format_ver)
@ -859,7 +859,7 @@ class FederationClient(FederationBase):
timeout=timeout,
)
room_version = yield self.store.get_room_version(room_id)
room_version = yield self.store.get_room_version_id(room_id)
format_ver = room_version_to_event_format(room_version)
events = [

16
synapse/federation/federation_server.py
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@ -234,7 +234,7 @@ class FederationServer(FederationBase):
continue
try:
room_version = await self.store.get_room_version(room_id)
room_version = await self.store.get_room_version_id(room_id)
except NotFoundError:
logger.info("Ignoring PDU for unknown room_id: %s", room_id)
continue
@ -334,7 +334,7 @@ class FederationServer(FederationBase):
)
)
room_version = await self.store.get_room_version(room_id)
room_version = await self.store.get_room_version_id(room_id)
resp["room_version"] = room_version
return 200, resp
@ -385,7 +385,7 @@ class FederationServer(FederationBase):
origin_host, _ = parse_server_name(origin)
await self.check_server_matches_acl(origin_host, room_id)
room_version = await self.store.get_room_version(room_id)
room_version = await self.store.get_room_version_id(room_id)
if room_version not in supported_versions:
logger.warning(
"Room version %s not in %s", room_version, supported_versions
@ -417,7 +417,7 @@ class FederationServer(FederationBase):
async def on_send_join_request(self, origin, content, room_id):
logger.debug("on_send_join_request: content: %s", content)
room_version = await self.store.get_room_version(room_id)
room_version = await self.store.get_room_version_id(room_id)
format_ver = room_version_to_event_format(room_version)
pdu = event_from_pdu_json(content, format_ver)
@ -440,7 +440,7 @@ class FederationServer(FederationBase):
await self.check_server_matches_acl(origin_host, room_id)
pdu = await self.handler.on_make_leave_request(origin, room_id, user_id)
room_version = await self.store.get_room_version(room_id)
room_version = await self.store.get_room_version_id(room_id)
time_now = self._clock.time_msec()
return {"event": pdu.get_pdu_json(time_now), "room_version": room_version}
@ -448,7 +448,7 @@ class FederationServer(FederationBase):
async def on_send_leave_request(self, origin, content, room_id):
logger.debug("on_send_leave_request: content: %s", content)
room_version = await self.store.get_room_version(room_id)
room_version = await self.store.get_room_version_id(room_id)
format_ver = room_version_to_event_format(room_version)
pdu = event_from_pdu_json(content, format_ver)
@ -495,7 +495,7 @@ class FederationServer(FederationBase):
origin_host, _ = parse_server_name(origin)
await self.check_server_matches_acl(origin_host, room_id)
room_version = await self.store.get_room_version(room_id)
room_version = await self.store.get_room_version_id(room_id)
format_ver = room_version_to_event_format(room_version)
auth_chain = [
@ -664,7 +664,7 @@ class FederationServer(FederationBase):
logger.info("Accepting join PDU %s from %s", pdu.event_id, origin)
# We've already checked that we know the room version by this point
room_version = await self.store.get_room_version(pdu.room_id)
room_version = await self.store.get_room_version_id(pdu.room_id)
# Check signature.
try:

18
synapse/handlers/federation.py
View File

@ -388,7 +388,7 @@ class FederationHandler(BaseHandler):
for x in remote_state:
event_map[x.event_id] = x
room_version = await self.store.get_room_version(room_id)
room_version = await self.store.get_room_version_id(room_id)
state_map = await resolve_events_with_store(
room_id,
room_version,
@ -1110,7 +1110,7 @@ class FederationHandler(BaseHandler):
Logs a warning if we can't find the given event.
"""
room_version = await self.store.get_room_version(room_id)
room_version = await self.store.get_room_version_id(room_id)
event_infos = []
@ -1373,7 +1373,7 @@ class FederationHandler(BaseHandler):
event_content = {"membership": Membership.JOIN}
room_version = yield self.store.get_room_version(room_id)
room_version = yield self.store.get_room_version_id(room_id)
builder = self.event_builder_factory.new(
room_version,
@ -1607,7 +1607,7 @@ class FederationHandler(BaseHandler):
)
raise SynapseError(403, "User not from origin", Codes.FORBIDDEN)
room_version = yield self.store.get_room_version(room_id)
room_version = yield self.store.get_room_version_id(room_id)
builder = self.event_builder_factory.new(
room_version,
{
@ -2059,7 +2059,7 @@ class FederationHandler(BaseHandler):
do_soft_fail_check = False
if do_soft_fail_check:
room_version = yield self.store.get_room_version(event.room_id)
room_version = yield self.store.get_room_version_id(event.room_id)
room_version_obj = KNOWN_ROOM_VERSIONS[room_version]
# Calculate the "current state".
@ -2195,7 +2195,7 @@ class FederationHandler(BaseHandler):
Returns:
defer.Deferred[EventContext]: updated context object
"""
room_version = yield self.store.get_room_version(event.room_id)
room_version = yield self.store.get_room_version_id(event.room_id)
room_version_obj = KNOWN_ROOM_VERSIONS[room_version]
try:
@ -2367,7 +2367,7 @@ class FederationHandler(BaseHandler):
remote_auth_events.update({(d.type, d.state_key): d for d in different_events})
remote_state = remote_auth_events.values()
room_version = yield self.store.get_room_version(event.room_id)
room_version = yield self.store.get_room_version_id(event.room_id)
new_state = yield self.state_handler.resolve_events(
room_version, (local_state, remote_state), event
)
@ -2591,7 +2591,7 @@ class FederationHandler(BaseHandler):
}
if (yield self.auth.check_host_in_room(room_id, self.hs.hostname)):
room_version = yield self.store.get_room_version(room_id)
room_version = yield self.store.get_room_version_id(room_id)
builder = self.event_builder_factory.new(room_version, event_dict)
EventValidator().validate_builder(builder)
@ -2654,7 +2654,7 @@ class FederationHandler(BaseHandler):
Returns:
Deferred: resolves (to None)
"""
room_version = yield self.store.get_room_version(room_id)
room_version = yield self.store.get_room_version_id(room_id)
# NB: event_dict has a particular specced format we might need to fudge
# if we change event formats too much.

8
synapse/handlers/message.py
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@ -459,7 +459,9 @@ class EventCreationHandler(object):
room_version = event_dict["content"]["room_version"]
else:
try:
room_version = yield self.store.get_room_version(event_dict["room_id"])
room_version = yield self.store.get_room_version_id(
event_dict["room_id"]
)
except NotFoundError:
raise AuthError(403, "Unknown room")
@ -788,7 +790,7 @@ class EventCreationHandler(object):
):
room_version = event.content.get("room_version", RoomVersions.V1.identifier)
else:
room_version = yield self.store.get_room_version(event.room_id)
room_version = yield self.store.get_room_version_id(event.room_id)
event_allowed = yield self.third_party_event_rules.check_event_allowed(
event, context
@ -963,7 +965,7 @@ class EventCreationHandler(object):
auth_events = yield self.store.get_events(auth_events_ids)
auth_events = {(e.type, e.state_key): e for e in auth_events.values()}
room_version = yield self.store.get_room_version(event.room_id)
room_version = yield self.store.get_room_version_id(event.room_id)
room_version_obj = KNOWN_ROOM_VERSIONS[room_version]
if event_auth.check_redaction(

2
synapse/handlers/pagination.py
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@ -281,7 +281,7 @@ class PaginationHandler(object):
"""Purge the given room from the database"""
with (await self.pagination_lock.write(room_id)):
# check we know about the room
await self.store.get_room_version(room_id)
await self.store.get_room_version_id(room_id)
# first check that we have no users in this room
joined = await defer.maybeDeferred(

2
synapse/handlers/room.py
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@ -178,7 +178,7 @@ class RoomCreationHandler(BaseHandler):
},
token_id=requester.access_token_id,
)
old_room_version = yield self.store.get_room_version(old_room_id)
old_room_version = yield self.store.get_room_version_id(old_room_id)
yield self.auth.check_from_context(
old_room_version, tombstone_event, tombstone_context
)

2
synapse/state/__init__.py
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@ -394,7 +394,7 @@ class StateHandler(object):
delta_ids=delta_ids,
)
room_version = yield self.store.get_room_version(room_id)
room_version = yield self.store.get_room_version_id(room_id)
result = yield self._state_resolution_handler.resolve_state_groups(
room_id,

27
synapse/storage/data_stores/main/state.py
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@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -22,7 +23,8 @@ from six import iteritems
from twisted.internet import defer
from synapse.api.constants import EventTypes, Membership
from synapse.api.errors import NotFoundError
from synapse.api.errors import NotFoundError, UnsupportedRoomVersionError
from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, RoomVersion
from synapse.events import EventBase
from synapse.events.snapshot import EventContext
from synapse.storage._base import SQLBaseStore
@ -61,8 +63,29 @@ class StateGroupWorkerStore(EventsWorkerStore, SQLBaseStore):
def __init__(self, database: Database, db_conn, hs):
super(StateGroupWorkerStore, self).__init__(database, db_conn, hs)
async def get_room_version(self, room_id: str) -> RoomVersion:
"""Get the room_version of a given room
Raises:
NotFoundError: if the room is unknown
UnsupportedRoomVersionError: if the room uses an unknown room version.
Typically this happens if support for the room's version has been
removed from Synapse.
"""
room_version_id = await self.get_room_version_id(room_id)
v = KNOWN_ROOM_VERSIONS.get(room_version_id)
if not v:
raise UnsupportedRoomVersionError(
"Room %s uses a room version %s which is no longer supported"
% (room_id, room_version_id)
)
return v
@cached(max_entries=10000)
async def get_room_version(self, room_id: str) -> str:
async def get_room_version_id(self, room_id: str) -> str:
"""Get the room_version of a given room
Raises:

2
synapse/storage/persist_events.py
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@ -661,7 +661,7 @@ class EventsPersistenceStorage(object):
break
if not room_version:
room_version = await self.main_store.get_room_version(room_id)
room_version = await self.main_store.get_room_version_id(room_id)
logger.debug("calling resolve_state_groups from preserve_events")
res = await self._state_resolution_handler.resolve_state_groups(

2
tests/handlers/test_presence.py
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@ -588,7 +588,7 @@ class PresenceJoinTestCase(unittest.HomeserverTestCase):
hostname = get_domain_from_id(user_id)
room_version = self.get_success(self.store.get_room_version(room_id))
room_version = self.get_success(self.store.get_room_version_id(room_id))
builder = EventBuilder(
state=self.state,

2
tests/test_state.py
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@ -119,7 +119,7 @@ class StateGroupStore(object):
def register_event_id_state_group(self, event_id, state_group):
self._event_to_state_group[event_id] = state_group
def get_room_version(self, room_id):
def get_room_version_id(self, room_id):
return RoomVersions.V1.identifier

4
tests/unittest.py
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@ -589,7 +589,9 @@ class HomeserverTestCase(TestCase):
event_builder_factory = self.hs.get_event_builder_factory()
event_creation_handler = self.hs.get_event_creation_handler()
room_version = self.get_success(self.hs.get_datastore().get_room_version(room))
room_version = self.get_success(
self.hs.get_datastore().get_room_version_id(room)
)
builder = event_builder_factory.for_room_version(
KNOWN_ROOM_VERSIONS[room_version],