Commit Graph

27 Commits

Author SHA1 Message Date
Erik Johnston
930a64b6c1
Reintroduce #17291. (#17338)
This is #17291 (which got reverted), with some added fixups, and change
so that tests actually pick up the error.

The problem was that we were not calculating any new chain IDs due to a
missing `not` in a condition.
2024-06-24 14:40:28 +00:00
Erik Johnston
4243c1f074
Revert "Handle large chain calc better (#17291)" (#17334)
This reverts commit bdf82efea5  (#17291)

This seems to have stopped persisting auth chains for new events, and so
is causing state res to fall back to the slow methods
2024-06-19 17:39:33 +01:00
Erik Johnston
bdf82efea5
Handle large chain calc better (#17291)
We calculate the auth chain links outside of the main persist event
transaction to ensure that we do not block other event sending during
the calculation.
2024-06-19 10:33:53 +01:00
Eric Eastwood
8c58eb7f17
Add event.internal_metadata.instance_name (#17300)
Add `event.internal_metadata.instance_name` (the worker instance that persisted the event) to go alongside the existing `event.internal_metadata.stream_ordering`.

`instance_name` is useful to properly compare and query for events with a token since you need to compare both the `stream_ordering` and `instance_name` against the vector clock/`instance_map` in the `RoomStreamToken`.

This is pre-requisite work and may be used in https://github.com/element-hq/synapse/pull/17293

Adding `event.internal_metadata.instance_name` was first mentioned in the initial Sliding Sync PR while pairing with @erikjohnston, see 09609cb0db (diff-5cd773fb307aa754bd3948871ba118b1ef0303f4d72d42a2d21e38242bf4e096R405-R410)
2024-06-13 11:32:50 -05:00
Erik Johnston
55b0aa847a Fix GHSA-3h7q-rfh9-xm4v
Weakness in auth chain indexing allows DoS from remote room members
through disk fill and high CPU usage.

A remote Matrix user with malicious intent, sharing a room with Synapse
instances before 1.104.1, can dispatch specially crafted events to
exploit a weakness in how the auth chain cover index is calculated. This
can induce high CPU consumption and accumulate excessive data in the
database of such instances, resulting in a denial of service.

Servers in private federations, or those that do not federate, are not
affected.
2024-04-23 15:25:49 +01:00
Erik Johnston
23740eaa3d
Correctly mention previous copyright (#16820)
During the migration the automated script to update the copyright
headers accidentally got rid of some of the existing copyright lines.
Reinstate them.
2024-01-23 11:26:48 +00:00
Patrick Cloke
8e1e62c9e0 Update license headers 2023-11-21 15:29:58 -05:00
Patrick Cloke
a4904dcb04
Convert simple_select_many_batch, simple_select_many_txn to tuples. (#16444) 2023-10-11 13:24:56 -04:00
Patrick Cloke
aa483cb4c9
Update ruff config (#16283)
Enable additional checks & clean-up unneeded configuration.
2023-09-08 11:24:36 -04:00
Shay
553f2f53e7
Replace EventContext fields prev_group and delta_ids with field state_group_deltas (#15233) 2023-06-13 13:22:06 -07:00
Shay
1c95ddd09b
Batch up storing state groups when creating new room (#14918) 2023-02-24 13:15:29 -08:00
dependabot[bot]
9bb2eac719
Bump black from 22.12.0 to 23.1.0 (#15103) 2023-02-22 15:29:09 -05:00
Patrick Cloke
42aea0d8af
Add final type hint to tests.unittest. (#15072)
Adds a return type to HomeServerTestCase.make_homeserver and deal
with any variables which are no longer Any.
2023-02-14 14:03:35 -05:00
Patrick Cloke
3ac412b4e2
Require types in tests.storage. (#14646)
Adds missing type hints to `tests.storage` package
and does not allow untyped definitions.
2022-12-09 12:36:32 -05:00
Shay
8ab16a92ed
Persist CreateRoom events to DB in a batch (#13800) 2022-09-28 10:11:48 +00:00
Erik Johnston
1e453053cb
Rename storage classes (#12913) 2022-05-31 12:17:50 +00:00
Erik Johnston
c72d26c1e1
Refactor EventContext (#12689)
Refactor how the `EventContext` class works, with the intention of reducing the amount of state we fetch from the DB during event processing.

The idea here is to get rid of the cached `current_state_ids` and `prev_state_ids` that live in the `EventContext`, and instead defer straight to the database (and its caching). 

One change that may have a noticeable effect is that we now no longer prefill the `get_current_state_ids` cache on a state change. However, that query is relatively light, since its just a case of reading a table from the DB (unlike fetching state at an event which is more heavyweight). For deployments with workers this cache isn't even used.


Part of #12684
2022-05-10 19:43:13 +00:00
Richard van der Hoff
e24ff8ebe3
Remove HomeServer.get_datastore() (#12031)
The presence of this method was confusing, and mostly present for backwards
compatibility. Let's get rid of it.

Part of #11733
2022-02-23 11:04:02 +00:00
Richard van der Hoff
2aa37a4250
Add state_key and rejection_reason to events (#11792)
... and start populating them for new events
2022-01-21 12:21:28 +00:00
Erik Johnston
d08ef6f155
Make background updates controllable via a plugin (#11306)
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
2021-11-29 17:57:06 +01:00
David Robertson
370bca32e6
Don't drop user dir deltas when server leaves room (#10982)
Fix a long-standing bug where a batch of user directory changes would be
silently dropped if the server left a room early in the batch.

* Pull out `wait_for_background_update` in tests

Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
2021-10-06 12:56:45 +00:00
reivilibre
642a42edde
Flatten the synapse.rest.client package (#10600) 2021-08-17 11:57:58 +00:00
Jonathan de Jong
4b965c862d
Remove redundant "coding: utf-8" lines (#9786)
Part of #9744

Removes all redundant `# -*- coding: utf-8 -*-` lines from files, as python 3 automatically reads source code as utf-8 now.

`Signed-off-by: Jonathan de Jong <jonathan@automatia.nl>`
2021-04-14 15:34:27 +01:00
Eric Eastwood
0a00b7ff14
Update black, and run auto formatting over the codebase (#9381)
- Update black version to the latest
 - Run black auto formatting over the codebase
    - Run autoformatting according to [`docs/code_style.md
`](80d6dc9783/docs/code_style.md)
 - Update `code_style.md` docs around installing black to use the correct version
2021-02-16 22:32:34 +00:00
Erik Johnston
350d9923cd
Make chain cover index bg update go faster (#9124)
We do this by allowing a single iteration to process multiple rooms at a
time, as there are often a lot of really tiny rooms, which can massively
slow things down.
2021-01-15 17:18:37 +00:00
Erik Johnston
7036e24e98
Add background update for add chain cover index (#9029) 2021-01-14 15:18:27 +00:00
Erik Johnston
1315a2e8be
Use a chain cover index to efficiently calculate auth chain difference (#8868) 2021-01-11 16:09:22 +00:00