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Revert accidental fast-forward merge from v1.49.0rc1

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Revert "Sort internal changes in changelog"
Revert "Update CHANGES.md"
Revert "1.49.0rc1"
Revert "Revert "Move `glob_to_regex` and `re_word_boundary` to `matrix-python-common` (#11505) (#11527)"
Revert "Refactors in `_generate_sync_entry_for_rooms` (#11515)"
Revert "Correctly register shutdown handler for presence workers (#11518)"
Revert "Fix `ModuleApi.looping_background_call` for non-async functions (#11524)"
Revert "Fix 'delete room' admin api to work on incomplete rooms (#11523)"
Revert "Correctly ignore invites from ignored users (#11511)"
Revert "Fix the test breakage introduced by #11435 as a result of concurrent PRs (#11522)"
Revert "Stabilise support for MSC2918 refresh tokens as they have now been merged into the Matrix specification. (#11435)"
Revert "Save the OIDC session ID (sid) with the device on login (#11482)"
Revert "Add admin API to get some information about federation status (#11407)"
Revert "Include bundled aggregations in /sync and related fixes (#11478)"
Revert "Move `glob_to_regex` and `re_word_boundary` to `matrix-python-common` (#11505)"
Revert "Update backward extremity docs to make it clear that it does not indicate whether we have fetched an events' `prev_events` (#11469)"
Revert "Support configuring the lifetime of non-refreshable access tokens separately to refreshable access tokens. (#11445)"
Revert "Add type hints to `synapse/tests/rest/admin` (#11501)"
Revert "Revert accidental commits to develop."
Revert "Newsfile"
Revert "Give `tests.server.setup_test_homeserver` (nominally!) the same behaviour"
Revert "Move `tests.utils.setup_test_homeserver` to `tests.server`"
Revert "Convert one of the `setup_test_homeserver`s to `make_test_homeserver_synchronous`"
Revert "Disambiguate queries on `state_key` (#11497)"
Revert "Comments on the /sync tentacles (#11494)"
Revert "Clean up tests.storage.test_appservice (#11492)"
Revert "Clean up `tests.storage.test_main` to remove use of legacy code. (#11493)"
Revert "Clean up `tests.test_visibility` to remove legacy code. (#11495)"
Revert "Minor cleanup on recently ported doc pages  (#11466)"
Revert "Add most of the missing type hints to `synapse.federation`. (#11483)"
Revert "Avoid waiting for zombie processes in `synctl stop` (#11490)"
Revert "Fix media repository failing when media store path contains symlinks (#11446)"
Revert "Add type annotations to `tests.storage.test_appservice`. (#11488)"
Revert "`scripts-dev/sign_json`: support for signing events (#11486)"
Revert "Add MSC3030 experimental client and federation API endpoints to get the closest event to a given timestamp (#9445)"
Revert "Port wiki pages to documentation website (#11402)"
Revert "Add a license header and comment. (#11479)"
Revert "Clean-up get_version_string (#11468)"
Revert "Link background update controller docs to summary (#11475)"
Revert "Additional type hints for config module. (#11465)"
Revert "Register the login redirect endpoint for v3. (#11451)"
Revert "Update openid.md"
Revert "Remove mention of OIDC certification from Dex (#11470)"
Revert "Add a note about huge pages to our Postgres doc (#11467)"
Revert "Don't start Synapse master process if `worker_app` is set (#11416)"
Revert "Expose worker & homeserver as entrypoints in `setup.py` (#11449)"
Revert "Bundle relations of relations into the `/relations` result. (#11284)"
Revert "Fix `LruCache` corruption bug with a `size_callback` that can return 0 (#11454)"
Revert "Eliminate a few `Any`s in `LruCache` type hints (#11453)"
Revert "Remove unnecessary `json.dumps` from `tests.rest.admin` (#11461)"
Revert "Merge branch 'master' into develop"

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changes made to e713855dca.
This commit is contained in:
Sean Quah 2021-12-07 16:38:29 +00:00
parent 26b5d2320f
commit 158d73ebdd
165 changed files with 2709 additions and 7721 deletions
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165
synapse/handlers/room.py
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@ -46,7 +46,6 @@ from synapse.api.constants import (
from synapse.api.errors import (
AuthError,
Codes,
HttpResponseException,
LimitExceededError,
NotFoundError,
StoreError,
@ -57,8 +56,6 @@ from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, RoomVersion
from synapse.event_auth import validate_event_for_room_version
from synapse.events import EventBase
from synapse.events.utils import copy_power_levels_contents
from synapse.federation.federation_client import InvalidResponseError
from synapse.handlers.federation import get_domains_from_state
from synapse.rest.admin._base import assert_user_is_admin
from synapse.storage.state import StateFilter
from synapse.streams import EventSource
@ -1223,147 +1220,6 @@ class RoomContextHandler:
return results
class TimestampLookupHandler:
def __init__(self, hs: "HomeServer"):
self.server_name = hs.hostname
self.store = hs.get_datastore()
self.state_handler = hs.get_state_handler()
self.federation_client = hs.get_federation_client()
async def get_event_for_timestamp(
self,
requester: Requester,
room_id: str,
timestamp: int,
direction: str,
) -> Tuple[str, int]:
"""Find the closest event to the given timestamp in the given direction.
If we can't find an event locally or the event we have locally is next to a gap,
it will ask other federated homeservers for an event.
Args:
requester: The user making the request according to the access token
room_id: Room to fetch the event from
timestamp: The point in time (inclusive) we should navigate from in
the given direction to find the closest event.
direction: ["f"|"b"] to indicate whether we should navigate forward
or backward from the given timestamp to find the closest event.
Returns:
A tuple containing the `event_id` closest to the given timestamp in
the given direction and the `origin_server_ts`.
Raises:
SynapseError if unable to find any event locally in the given direction
"""
local_event_id = await self.store.get_event_id_for_timestamp(
room_id, timestamp, direction
)
logger.debug(
"get_event_for_timestamp: locally, we found event_id=%s closest to timestamp=%s",
local_event_id,
timestamp,
)
# Check for gaps in the history where events could be hiding in between
# the timestamp given and the event we were able to find locally
is_event_next_to_backward_gap = False
is_event_next_to_forward_gap = False
if local_event_id:
local_event = await self.store.get_event(
local_event_id, allow_none=False, allow_rejected=False
)
if direction == "f":
# We only need to check for a backward gap if we're looking forwards
# to ensure there is nothing in between.
is_event_next_to_backward_gap = (
await self.store.is_event_next_to_backward_gap(local_event)
)
elif direction == "b":
# We only need to check for a forward gap if we're looking backwards
# to ensure there is nothing in between
is_event_next_to_forward_gap = (
await self.store.is_event_next_to_forward_gap(local_event)
)
# If we found a gap, we should probably ask another homeserver first
# about more history in between
if (
not local_event_id
or is_event_next_to_backward_gap
or is_event_next_to_forward_gap
):
logger.debug(
"get_event_for_timestamp: locally, we found event_id=%s closest to timestamp=%s which is next to a gap in event history so we're asking other homeservers first",
local_event_id,
timestamp,
)
# Find other homeservers from the given state in the room
curr_state = await self.state_handler.get_current_state(room_id)
curr_domains = get_domains_from_state(curr_state)
likely_domains = [
domain for domain, depth in curr_domains if domain != self.server_name
]
# Loop through each homeserver candidate until we get a succesful response
for domain in likely_domains:
try:
remote_response = await self.federation_client.timestamp_to_event(
domain, room_id, timestamp, direction
)
logger.debug(
"get_event_for_timestamp: response from domain(%s)=%s",
domain,
remote_response,
)
# TODO: Do we want to persist this as an extremity?
# TODO: I think ideally, we would try to backfill from
# this event and run this whole
# `get_event_for_timestamp` function again to make sure
# they didn't give us an event from their gappy history.
remote_event_id = remote_response.event_id
origin_server_ts = remote_response.origin_server_ts
# Only return the remote event if it's closer than the local event
if not local_event or (
abs(origin_server_ts - timestamp)
< abs(local_event.origin_server_ts - timestamp)
):
return remote_event_id, origin_server_ts
except (HttpResponseException, InvalidResponseError) as ex:
# Let's not put a high priority on some other homeserver
# failing to respond or giving a random response
logger.debug(
"Failed to fetch /timestamp_to_event from %s because of exception(%s) %s args=%s",
domain,
type(ex).__name__,
ex,
ex.args,
)
except Exception as ex:
# But we do want to see some exceptions in our code
logger.warning(
"Failed to fetch /timestamp_to_event from %s because of exception(%s) %s args=%s",
domain,
type(ex).__name__,
ex,
ex.args,
)
if not local_event_id:
raise SynapseError(
404,
"Unable to find event from %s in direction %s" % (timestamp, direction),
errcode=Codes.NOT_FOUND,
)
return local_event_id, local_event.origin_server_ts
class RoomEventSource(EventSource[RoomStreamToken, EventBase]):
def __init__(self, hs: "HomeServer"):
self.store = hs.get_datastore()
@ -1535,13 +1391,20 @@ class RoomShutdownHandler:
await self.store.block_room(room_id, requester_user_id)
if not await self.store.get_room(room_id):
# if we don't know about the room, there is nothing left to do.
return {
"kicked_users": [],
"failed_to_kick_users": [],
"local_aliases": [],
"new_room_id": None,
}
if block:
# We allow you to block an unknown room.
return {
"kicked_users": [],
"failed_to_kick_users": [],
"local_aliases": [],
"new_room_id": None,
}
else:
# But if you don't want to preventatively block another room,
# this function can't do anything useful.
raise NotFoundError(
"Cannot shut down room: unknown room id %s" % (room_id,)
)
if new_room_user_id is not None:
if not self.hs.is_mine_id(new_room_user_id):