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Bounce recalculation of current state to the correct event persister and
move recalculation of current state into the event persistence queue, to
avoid concurrent updates to a room's current state.
Also give recalculation of a room's current state a real stream
ordering.
Signed-off-by: Sean Quah <seanq@matrix.org>
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Postgres, as `VACUUM`s must not be performed between runs of the script. (#13195)
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contain an event id. (#13174)
Method `_get_state_map_for_room` seems to break in presence of some ill-formed events in the database. Reimplementing this method to use `get_current_state`, which is more robust to such events.
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This happened if we encountered a stream ordering in `event_push_actions` that had more rows than the batch size of the delete, as If we don't delete any rows in an iteration then the next time round we get the exact same stream ordering and get stuck.
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Whenever we want to persist an event, we first compute an event context,
which includes the state at the event and a flag indicating whether the
state is partial. After a lot of processing, we finally try to store the
event in the database, which can fail for partial state events when the
containing room has been un-partial stated in the meantime.
We detect the race as a foreign key constraint failure in the data store
layer and turn it into a special `PartialStateConflictError` exception,
which makes its way up to the method in which we computed the event
context.
To make things difficult, the exception needs to cross a replication
request: `/fed_send_events` for events coming over federation and
`/send_event` for events from clients. We transport the
`PartialStateConflictError` as a `409 Conflict` over replication and
turn `409`s back into `PartialStateConflictError`s on the worker making
the request.
All client events go through
`EventCreationHandler.handle_new_client_event`, which is called in
*a lot* of places. Instead of trying to update all the code which
creates client events, we turn the `PartialStateConflictError` into a
`429 Too Many Requests` in
`EventCreationHandler.handle_new_client_event` and hope that clients
take it as a hint to retry their request.
On the federation event side, there are 7 places which compute event
contexts. 4 of them use outlier event contexts:
`FederationEventHandler._auth_and_persist_outliers_inner`,
`FederationHandler.do_knock`, `FederationHandler.on_invite_request` and
`FederationHandler.do_remotely_reject_invite`. These events won't have
the partial state flag, so we do not need to do anything for then.
The remaining 3 paths which create events are
`FederationEventHandler.process_remote_join`,
`FederationEventHandler.on_send_membership_event` and
`FederationEventHandler._process_received_pdu`.
We can't experience the race in `process_remote_join`, unless we're
handling an additional join into a partial state room, which currently
blocks, so we make no attempt to handle it correctly.
`on_send_membership_event` is only called by
`FederationServer._on_send_membership_event`, so we catch the
`PartialStateConflictError` there and retry just once.
`_process_received_pdu` is called by `on_receive_pdu` for incoming
events and `_process_pulled_event` for backfill. The latter should never
try to persist partial state events, so we ignore it. We catch the
`PartialStateConflictError` in `on_receive_pdu` and retry just once.
Refering to the graph of code paths in
https://github.com/matrix-org/synapse/issues/12988#issuecomment-1156857648
may make the above make more sense.
Signed-off-by: Sean Quah <seanq@matrix.org>
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* Cast to postgres types when handling postgres db
* Remove unused method
* Easy annotations
* Annotate create_room
* Use `ParamSpec` to annotate looping_call
* Annotate `default_config`
* Track `now` as a float
`time_ms` returns an int like the proper Synapse `Clock`
* Introduce a `Timer` dataclass
* Introduce a Looper type
* Suppress checking of a mock
* tests.utils is typed
* Changelog
* Whoops, import ParamSpec from typing_extensions
* ditch the psycopg2 casts
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a profile set (#13131)
Fix https://github.com/matrix-org/synapse/issues/4778
Complement tests: https://github.com/matrix-org/complement/pull/399
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Synapse 1.62.0rc3 (2022-07-04)
==============================
Bugfixes
--------
- Update the version of the [ldap3 plugin](https://github.com/matrix-org/matrix-synapse-ldap3/) included in the `matrixdotorg/synapse` DockerHub images and the Debian packages hosted on `packages.matrix.org` to 0.2.1. This fixes [a bug](https://github.com/matrix-org/matrix-synapse-ldap3/pull/163) with usernames containing uppercase characters. ([\#13156](https://github.com/matrix-org/synapse/issues/13156))
- Fix a bug introduced in Synapse 1.62.0rc1 affecting unread counts for users on small servers. ([\#13168](https://github.com/matrix-org/synapse/issues/13168))
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* Extra validation for rest/client/account_data
This is a fairly simple endpoint and we did pretty well here.
* Changelog
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`_check_event_auth` is expected to raise `AuthError`s, so no need to log it
again.
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When we receive an event over federation during a faster join, there is no need
to wait for full state, since we have a whole reconciliation process designed
to take the partial state into account.
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Signed-off-by: Jacek Kusnierz <jacek.kusnierz@tum.de>
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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configuration manual (#13077)
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Completes type hints for synapse.logging.scopecontextmanager and (partially)
for synapse.logging.opentracing.
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in CPU-constrained environments. (#13127)
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
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Co-authored-by: reivilibre <oliverw@matrix.org>
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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
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* Make _iterate_over_text easier to read by using simple data structures
* Prefer a set of tags to ignore
In my tests, it's 4x faster to check for containment in a set of this size
* Add a stack size limit to _iterate_over_text
* Continue accepting the case where there is no body element
* Use an early return instead for None
Co-authored-by: Richard van der Hoff <richard@matrix.org>
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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
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endpoints (#12944)
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* Extend the auth rule checks for `m.room.create` events
... and move them up to the top of the function. Since the no auth_events are
allowed for m.room.create events, we may as well get the m.room.create event
checks out of the way first.
* Add a test for create events with prev_events
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* Fix type error introduced accidentally by #13045
* Newsfile
Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>
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(#13045)
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rooms. (#13062)
Signed-off-by: Quentin Gliech <quenting@element.io>
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When we fail to persist a federation event, we kick off a task to remove
its push actions in the background, using the current logging context.
Since we don't `await` that task, we may finish our logging context
before the task finishes. There's no reason to not `await` the task, so
let's do that.
Signed-off-by: Sean Quah <seanq@matrix.org>
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Pull out `twitter:` meta tags when generating a preview and
use it to augment any `og:` meta tags.
Prefers Open Graph information over Twitter card information.
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Co-authored-by: David Robertson <david.m.robertson1@gmail.com>
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* Add auth events to events used in tests
* Move some event auth checks out to a different method
Some of the event auth checks apply to an event's auth_events, rather than the
state at the event - which means they can play no part in state
resolution. Move them out to a separate method.
* Rename check_auth_rules_for_event
Now it only checks the state-dependent auth rules, it needs a better name.
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Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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Fixes #11887 hopefully.
The core change here is that `event_push_summary` now holds a summary of counts up until a much more recent point, meaning that the range of rows we need to count in `event_push_actions` is much smaller.
This needs two major changes:
1. When we get a receipt we need to recalculate `event_push_summary` rather than just delete it
2. The logic for deleting `event_push_actions` is now divorced from calculating `event_push_summary`.
In future it would be good to calculate `event_push_summary` while we persist a new event (it should just be a case of adding one to the relevant rows in `event_push_summary`), as that will further simplify the get counts logic and remove the need for us to periodically update `event_push_summary` in a background job.
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enough in some cases. (#13018)
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* Remove redundant references to `event_edges.room_id`
We don't need to care about the room_id here, because we are already checking
the event id.
* Clean up the event_edges table
We make a number of changes to `event_edges`:
* We give the `room_id` and `is_state` columns defaults (null and false
respectively) so that we can stop populating them.
* We drop any rows that have `is_state` set true - they should no longer
exist.
* We drop any rows that do not exist in `events` - these should not exist
either.
* We drop the old unique constraint on all the colums, which wasn't much use.
* We create a new unique index on `(event_id, prev_event_id)`.
* We add a foreign key constraint to `events`.
These happen rather differently depending on whether we are on Postgres or
SQLite. For SQLite, we just rebuild the whole table, copying only the rows we
want to keep. For Postgres, we try to do things in the background as much as
possible.
* Stop populating `event_edges.room_id` and `is_state`
We can just rely on the defaults.
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* Rename test_fedclient to match its source file
* Require at least one destination to be truthy
* Explicitly validate user ID in profile endpoint GETs
Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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simplify the access token verification logic. (#12986)
This simplifies the access token verification logic by removing the `rights`
parameter which was only ever used for the unsubscribe link in email
notifications. The latter has been moved under the `/_synapse` namespace,
since it is not a standard API.
This also makes the email verification link more secure, by embedding the
app_id and pushkey in the macaroon and verifying it. This prevents the user
from tampering the query parameters of that unsubscribe link.
Macaroon generation is refactored:
- Centralised all macaroon generation and verification logic to the
`MacaroonGenerator`
- Moved to `synapse.utils`
- Changed the constructor to require only a `Clock`, hostname, and a secret key
(instead of a full `Homeserver`).
- Added tests for all methods.
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`synapse.api.auth.Auth`. (#13021)
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return `Union[Allow, Codes]`. (#12857)
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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Removes the `register_noop_background_update` and deletes the background
updates directly in a delta file.
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It's now implied by the room_version property on the event.
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Instead, use the `room_version` property of the event we're checking.
The `room_version` was originally added as a parameter somewhere around #4482,
but really it's been redundant since #6875 added a `room_version` field to `EventBase`.
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Instead, use the `room_version` property of the event we're validating.
The `room_version` was originally added as a parameter somewhere around #4482,
but really it's been redundant since #6875 added a `room_version` field to `EventBase`.
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hierarchy response. (#12991)
The `room_id` field was removed from MSC2946 before
it was accepted. It was initially kept for backwards compatibility
and should be removed now that the stable form of the API
is used.
This change only stops Synapse from validating that it is returned,
a future PR will remove returning it as part of the response.
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... to help us keep track of these things
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flag. (#12984)
MSC3715 defines this parameter, but the unstable version of it should be
behind an experimental flag.
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when account doesn't exist. (#12738)
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(#12963)
* Don't pull out state for catchup
* Newsfile
* Merge newsfile
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By always using delete_devices and sometimes passing a list
with a single device ID.
Previously these methods had gotten out of sync with each
other and it seems there's little benefit to the single-device
variant.
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* Remove an unused stream ID generator.
* Remove the now unused remote profile cache.
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federation (#12964)
Reducing the amount of state we pull from the DB is useful as fetching state is expensive in terms of DB, CPU and memory.
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Avoid breaking a URL preview completely if the chosen image 404s
or is unreachable for some other reason (e.g. DNS).
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As opposed to only considering a user to have "participated" if they
replied to the thread.
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(#12952)
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* Skip `og` and `meta` tags where the value is empty.
* Fallback to the favicon if there are no other images.
* Ignore tags meant for navigation.
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* Update worker docs to remove group endpoints.
* Removes an unused parameter to `ApplicationService`.
* Break dependency between media repo and groups.
* Avoid copying `m.room.related_groups` state events during room upgrades.
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event (#12905)
Currently, we try to pull the event corresponding to a sync token from the database. However, when
we fetch redaction events, we check the target of that redaction (because we aren't allowed to send
redactions to clients without validating them). So, if the sync token points to a redaction of an event
that we don't have, we have a problem.
It turns out we don't really need that event, and can just work with its ID and metadata, which
sidesteps the whole problem.
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The remaining piece is a background update that is needed
for backwards compatibility.
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* Raise a dedicated `InvalidEventSignatureError` from `_check_sigs_on_pdu`
* Downgrade logging about redactions to DEBUG
this can be very spammy during a room join, and it's not very useful.
* Raise `InvalidEventSignatureError` from `_check_sigs_and_hash`
... and, more importantly, move the logging out to the callers.
* changelog
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The replication logic for groups is no longer used, so the message
passing infrastructure can be removed.
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Signed-off-by: Sean Quah <seanq@matrix.org>
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partial-state room (#12812)
Signed-off-by: Sean Quah <seanq@matrix.org>
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signature (#12918)
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
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While the query was fast, we were calling it *a lot*.
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event_edges.room_id is implied by the event id, so there is no need to join on the room id.
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This reverts commit e0fae823e9938618a260adadb82bfee6e4c2f907.
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`M_` is a reserved namespace.
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Signed-off-by: Jacek Kusnierz <jacek.kusnierz@tum.de>
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ability to return additional fields (#12846)
Signed-off-by: David Teller <davidt@element.io>
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Co-authored-by: Sean Quah <8349537+squahtx@users.noreply.github.com>
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Signed-off-by: Nicolas Werner <nicolas.werner@hotmail.de>
Co-authored-by: Brendan Abolivier <github@brendanabolivier.com>
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This method was introduced in #12852. It is using the `state_key` column from
the `events` table, which is not (yet) reliable (see #11496).
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Signed-off-by: Sumner Evans <sumner@beeper.com>
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Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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Signed-off-by: David Teller <davidt@element.io>
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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* Properly marks private methods as private.
* Adds missing docstrings.
* Rework inline methods.
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Instead of hard-coding strings in many places.
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Synapse 1.60.0rc2 (2022-05-27)
==============================
This release of Synapse adds a unique index to the `state_group_edges` table, in
order to prevent accidentally introducing duplicate information (for example,
because a database backup was restored multiple times). If your Synapse database
already has duplicate rows in this table, this could fail with an error and
require manual remediation.
Additionally, the signature of the `check_event_for_spam` module callback has changed.
The previous signature has been deprecated and remains working for now. Module authors
should update their modules to use the new signature where possible.
See [the upgrade notes](https://github.com/matrix-org/synapse/blob/develop/docs/upgrade.md#upgrading-to-v1600)
for more details.
Features
--------
- Add an option allowing users to use their password to reauthenticate for privileged actions even though password login is disabled. ([\#12883](https://github.com/matrix-org/synapse/issues/12883))
Bugfixes
--------
- Explicitly close `ijson` coroutines once we are done with them, instead of leaving the garbage collector to close them. ([\#12875](https://github.com/matrix-org/synapse/issues/12875))
Internal Changes
----------------
- Improve URL previews by not including the content of media tags in the generated description. ([\#12887](https://github.com/matrix-org/synapse/issues/12887))
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Hopefully this means that exceptions raised due to truncated JSON
get a sensible logging context and stack.
Signed-off-by: Sean Quah <seanq@matrix.org>
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though password authentication is disabled. (#12883)
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generated description. (#12887)
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appservices (#12838)
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* Fix room deletion
ae7858f broke room deletion by attempting to delete the entry from `rooms`
before the tables that reference it.
* faster_joins: remove database rows on purge
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My server is currently OOMing in the middle of have_seen_events, so let's try
to fix that.
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Including handlers, configuration code, appservice support, and
the GroupID construct.
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when using Postgres as a database. (#12843)
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Removes the unstable endpoint as well as a duplicated field
which was modified during stabilization.
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Remote users will never have push actions, so we can avoid a database
round-trip/transaction completely.
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* Refactor HTTP response size limits
Rather than passing a separate `max_response_size` down the stack, make it an
attribute of the `parser`.
* Allow bigger responses on `federation/v1/state`
`/state` can return huge responses, so we need to handle that.
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Makes it so that groups/communities no longer exist from a user-POV. E.g. we remove:
* All API endpoints (including Client-Server, Server-Server, and admin).
* Documented configuration options (and the experimental flag, which is now unused).
* Special handling during room upgrades.
* The `groups` section of the `/sync` response.
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By always returning all requested values from the function
wrapped by cachedList. Otherwise implicit None values get
added into the cache, which are unexpected.
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Signed-off-by: Carl Bordum Hansen <carl@bordum.dk>
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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
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Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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Implements the following behind an experimental configuration flag:
* A new push rule kind for mutually related events.
* A new default push rule (`.m.rule.thread_reply`) under an unstable prefix.
This is missing part of MSC3772:
* The `.m.rule.thread_reply_to_me` push rule, this depends on MSC3664 / #11804.
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Sending marker events as state now so they are always able to be seen by homeservers (not lost in some timeline gap).
Part of [MSC2716](https://github.com/matrix-org/matrix-spec-proposals/pull/2716)
Complement tests: https://github.com/matrix-org/complement/pull/371
As initially discussed at https://github.com/matrix-org/matrix-spec-proposals/pull/2716#discussion_r782629097 and https://github.com/matrix-org/matrix-spec-proposals/pull/2716#discussion_r876684431
When someone joins a room, process all of the marker events we see in the current state. Marker events should be sent with a unique `state_key` so that they can all resolve in the current state to easily be discovered. Marker events as state
- If we re-use the same `state_key` (like `""`), then we would have to fetch previous snapshots of state up through time to find all of the marker events. This way we can avoid all of that. This PR was originally doing this but then thought of the smarter way to tackle in an [out of band discussion with @erikjohnston](https://docs.google.com/document/d/1JJDuPfcPNX75fprdTWlxlaKjWOdbdJylbpZ03hzo638/edit#bookmark=id.sm92fqyq7vpp).
- Also avoids state resolution conflicts where only one of the marker events win
As a homeserver, when we see new marker state, we know there is new history imported somewhere back in time and should process it to fetch the insertion event where the historical messages are and set it as an insertion extremity. This way we know where to backfill more messages when someone asks for scrollback.
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Signed-off-by: David Teller <davidt@element.io>
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(#12611)
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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Signed-off-by: jesopo <github@lolnerd.net>
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background. (#12823)
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traffic to workers that do not process these commands. (#12809)
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accept state filters and update calls where possible (#12791)
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Signed-off-by: Sean Quah <seanq@matrix.org>
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(#12792)
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messages, reducing replication traffic. (#12672)
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accidentally introduced and the consequential impact to performance. (#12687)
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Resolves: #11896
Signed-off-by: Aminda Suomalainen <suomalainen+git@mikaela.info>
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If `StateFilter` specifies a state set which we will have regardless of
state-syncing, then we may as well return it immediately.
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no state resolution happens. (#12775)
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Co-authored-by: David Robertson <david.m.robertson1@gmail.com>
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(#12781)
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invalid alias localpart. (#12779)
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RFC7230 (#12774)
The main differences are:
- values with delimiters (such as colons) should be quoted, so always
quote the origin, since it could contain a colon followed by a port
number
- should allow more than one space after "X-Matrix"
- quoted values with backslash-escaped characters should be unescaped
- names should be case insensitive
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Signed-off-by: Adam Roddick <ajroddick@tuta.io>
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This column is unused as of #12209, so let's stop writing to it.
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badge_count_last_call was always zero when the response for push
notifications included a "rejected" key which mapped to an empty list.
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For workers that rarely write to the cache the `get_all_updated_caches`
query can become expensive if the worker falls behind when reading the
cache.
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Co-authored-by: Sean Quah <8349537+squahtx@users.noreply.github.com>
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A minor optimization to avoid unnecessary copying/building
identical dictionaries when filtering private read receipts.
Also clarifies comments and cleans-up some tests.
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Synapse 1.59.0rc2 (2022-05-16)
==============================
Synapse 1.59 makes several changes that server administrators should be aware of:
- Device name lookup over federation is now disabled by default. ([\#12616](https://github.com/matrix-org/synapse/issues/12616))
- The `synapse.app.appservice` and `synapse.app.user_dir` worker application types are now deprecated. ([\#12452](https://github.com/matrix-org/synapse/issues/12452), [\#12654](https://github.com/matrix-org/synapse/issues/12654))
See [the upgrade notes](https://github.com/matrix-org/synapse/blob/develop/docs/upgrade.md#upgrading-to-v1590) for more details.
Additionally, this release removes the non-standard `m.login.jwt` login type from Synapse. It can be replaced with `org.matrix.login.jwt` for identical behaviour. This is only used if `jwt_config.enabled` is set to `true` in the configuration. ([\#12597](https://github.com/matrix-org/synapse/issues/12597))
Bugfixes
--------
- Fix a bug introduced in Synapse 1.58.0 where `/sync` would fail if the most recent event in a room was rejected. ([\#12729](https://github.com/matrix-org/synapse/issues/12729))
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* Fix bug /sync returning 404
Fixes #12571
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Signed-off-by: Sean Quah <seanq@element.io>
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Parse the `m.relates_to` event content field (which describes relations)
in a single place, this is used during:
* Event persistence.
* Validation of the Client-Server API.
* Fetching bundled aggregations.
* Processing of push rules.
Each of these separately implement the logic and each made slightly
different assumptions about what was valid. Some had minor / potential
bugs.
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* add Measure blocks all over SpamChecker
Signed-off-by: jesopo <github@lolnerd.net>
* fix test_spam_checker_may_join_room and test_threepid_invite_spamcheck
* better changelog entry
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Co-authored-by: Matthew Hodgson <matthew@matrix.org>
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Enable cancellation of `GET /rooms/$room_id/members`,
`GET /rooms/$room_id/state` and
`GET /rooms/$room_id/state/$state_key/*` requests.
Signed-off-by: Sean Quah <seanq@element.io>
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`BaseFederationServlet` wraps its endpoints in a bunch of async code
that has not been vetted for compatibility with cancellation.
Fail CI if a `@cancellable` flag is applied to a federation endpoint.
Signed-off-by: Sean Quah <seanq@element.io>
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While `ReplicationEndpoint`s register themselves via `JsonResource`,
they pass a method that calls the handler, instead of the handler itself,
to `register_paths`. As a result, `JsonResource` will not correctly pick
up the `@cancellable` flag and we have to apply it ourselves.
Signed-off-by: Sean Quah <seanq@element.io>
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`BaseFederationServlet`s (#12699)
Both `RestServlet`s and `BaseFederationServlet`s register their handlers
with `HttpServer.register_paths` / `JsonResource.register_paths`. Update
`JsonResource` to respect the `@cancellable` flag on handlers registered
in this way.
Although `ReplicationEndpoint` also registers itself using
`register_paths`, it does not pass the handler method that would have the
`@cancellable` flag directly, and so needs separate handling.
Signed-off-by: Sean Quah <seanq@element.io>
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`DirectServeHtmlResource` and `DirectServeJsonResource` both inherit
from `_AsyncResource`. These classes expect to be subclassed with
`_async_render_*` methods.
This commit has no effect on `JsonResource`, despite inheriting from
`_AsyncResource`. `JsonResource` has its own `_async_render` override
which will need to be updated separately.
Signed-off-by: Sean Quah <seanq@element.io>
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It simply passes through to `BulkPushRuleEvaluator`, which can be
called directly instead.
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Fix https://github.com/matrix-org/synapse/issues/12678
Complement test added: https://github.com/matrix-org/complement/pull/369
**Before:** 500 internal server error
**After:** According to the [spec](https://spec.matrix.org/latest/client-server-api/#get_matrixclientv3roomsroomidmessages), calling `/messages` against a non-existent `room_id` should throw a 403 forbidden (since you're not part of the room). This also matches the behavior before https://github.com/matrix-org/synapse/pull/12370 which regressed Synapse to the 500 behavior.
```json
{
"errcode": "M_FORBIDDEN",
"error": "User @test:my.synapse.server not in room !dne:my.synapse.server, and room previews are disabled"
}
```
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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
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All async request processing goes through `_AsyncResource`, so this is
the only place where a `Deferred` needs to be captured for cancellation.
Unfortunately, the same isn't true for determining whether a request
can be cancelled. Each of `RestServlet`, `BaseFederationServlet`,
`DirectServe{Html,Json}Resource` and `ReplicationEndpoint` have
different wrappers around the method doing the request handling and they
all need to be handled separately.
Signed-off-by: Sean Quah <seanq@element.io>
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This table is never read, since #11794. We stop writing to it; in future we can
drop it altogether.
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Signed-off-by: Sean Quah <seanq@element.io>
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Signed-off-by: Sean Quah <seanq@element.io>
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Synapse 1.59.0rc1 (2022-05-10)
==============================
This release makes several changes that server administrators should be aware of:
- Device name lookup over federation is now disabled by default. ([\#12616](https://github.com/matrix-org/synapse/issues/12616))
- The `synapse.app.appservice` and `synapse.app.user_dir` worker application types are now deprecated. ([\#12452](https://github.com/matrix-org/synapse/issues/12452), [\#12654](https://github.com/matrix-org/synapse/issues/12654))
See [the upgrade notes](https://github.com/matrix-org/synapse/blob/develop/docs/upgrade.md#upgrading-to-v1590) for more details.
Additionally, this release removes the non-standard `m.login.jwt` login type from Synapse. It can be replaced with `org.matrix.login.jwt` for identical behaviour. This is only used if `jwt_config.enabled` is set to `true` in the configuration. ([\#12597](https://github.com/matrix-org/synapse/issues/12597))
Features
--------
- Support [MSC3266](https://github.com/matrix-org/matrix-doc/pull/3266) room summaries over federation. ([\#11507](https://github.com/matrix-org/synapse/issues/11507))
- Implement [changes](https://github.com/matrix-org/matrix-spec-proposals/pull/2285/commits/4a77139249c2e830aec3c7d6bd5501a514d1cc27) to [MSC2285 (hidden read receipts)](https://github.com/matrix-org/matrix-spec-proposals/pull/2285). Contributed by @SimonBrandner. ([\#12168](https://github.com/matrix-org/synapse/issues/12168), [\#12635](https://github.com/matrix-org/synapse/issues/12635), [\#12636](https://github.com/matrix-org/synapse/issues/12636), [\#12670](https://github.com/matrix-org/synapse/issues/12670))
- Extend the [module API](https://github.com/matrix-org/synapse/blob/release-v1.59/synapse/module_api/__init__.py) to allow modules to change actions for existing push rules of local users. ([\#12406](https://github.com/matrix-org/synapse/issues/12406))
- Add the `notify_appservices_from_worker` configuration option (superseding `notify_appservices`) to allow a generic worker to be designated as the worker to send traffic to Application Services. ([\#12452](https://github.com/matrix-org/synapse/issues/12452))
- Add the `update_user_directory_from_worker` configuration option (superseding `update_user_directory`) to allow a generic worker to be designated as the worker to update the user directory. ([\#12654](https://github.com/matrix-org/synapse/issues/12654))
- Add new `enable_registration_token_3pid_bypass` configuration option to allow registrations via token as an alternative to verifying a 3pid. ([\#12526](https://github.com/matrix-org/synapse/issues/12526))
- Implement [MSC3786](https://github.com/matrix-org/matrix-spec-proposals/pull/3786): Add a default push rule to ignore `m.room.server_acl` events. ([\#12601](https://github.com/matrix-org/synapse/issues/12601))
- Add new `mau_appservice_trial_days` configuration option to specify a different trial period for users registered via an appservice. ([\#12619](https://github.com/matrix-org/synapse/issues/12619))
Bugfixes
--------
- Fix a bug introduced in Synapse 1.48.0 where the latest thread reply provided failed to include the proper bundled aggregations. ([\#12273](https://github.com/matrix-org/synapse/issues/12273))
- Fix a bug introduced in Synapse 1.22.0 where attempting to send a large amount of read receipts to an application service all at once would result in duplicate content and abnormally high memory usage. Contributed by Brad & Nick @ Beeper. ([\#12544](https://github.com/matrix-org/synapse/issues/12544))
- Fix a bug introduced in Synapse 1.57.0 which could cause `Failed to calculate hosts in room` errors to be logged for outbound federation. ([\#12570](https://github.com/matrix-org/synapse/issues/12570))
- Fix a long-standing bug where status codes would almost always get logged as `200!`, irrespective of the actual status code, when clients disconnect before a request has finished processing. ([\#12580](https://github.com/matrix-org/synapse/issues/12580))
- Fix race when persisting an event and deleting a room that could lead to outbound federation breaking. ([\#12594](https://github.com/matrix-org/synapse/issues/12594))
- Fix a bug introduced in Synapse 1.53.0 where bundled aggregations for annotations/edits were incorrectly calculated. ([\#12633](https://github.com/matrix-org/synapse/issues/12633))
- Fix a long-standing bug where rooms containing power levels with string values could not be upgraded. ([\#12657](https://github.com/matrix-org/synapse/issues/12657))
- Prevent memory leak from reoccurring when presence is disabled. ([\#12656](https://github.com/matrix-org/synapse/issues/12656))
Updates to the Docker image
---------------------------
- Explicitly opt-in to using [BuildKit-specific features](https://github.com/moby/buildkit/blob/master/frontend/dockerfile/docs/syntax.md) in the Dockerfile. This fixes issues with building images in some GitLab CI environments. ([\#12541](https://github.com/matrix-org/synapse/issues/12541))
- Update the "Build docker images" GitHub Actions workflow to use `docker/metadata-action` to generate docker image tags, instead of a custom shell script. Contributed by @henryclw. ([\#12573](https://github.com/matrix-org/synapse/issues/12573))
Improved Documentation
----------------------
- Update SQL statements and replace use of old table `user_stats_historical` in docs for Synapse Admins. ([\#12536](https://github.com/matrix-org/synapse/issues/12536))
- Add missing linebreak to `pipx` install instructions. ([\#12579](https://github.com/matrix-org/synapse/issues/12579))
- Add information about the TCP replication module to docs. ([\#12621](https://github.com/matrix-org/synapse/issues/12621))
- Fixes to the formatting of `README.rst`. ([\#12627](https://github.com/matrix-org/synapse/issues/12627))
- Fix docs on how to run specific Complement tests using the `complement.sh` test runner. ([\#12664](https://github.com/matrix-org/synapse/issues/12664))
Deprecations and Removals
-------------------------
- Remove unstable identifiers from [MSC3069](https://github.com/matrix-org/matrix-doc/pull/3069). ([\#12596](https://github.com/matrix-org/synapse/issues/12596))
- Remove the unspecified `m.login.jwt` login type and the unstable `uk.half-shot.msc2778.login.application_service` from
[MSC2778](https://github.com/matrix-org/matrix-doc/pull/2778). ([\#12597](https://github.com/matrix-org/synapse/issues/12597))
- Synapse now requires at least Python 3.7.1 (up from 3.7.0), for compatibility with the latest Twisted trunk. ([\#12613](https://github.com/matrix-org/synapse/issues/12613))
Internal Changes
----------------
- Use supervisord to supervise Postgres and Caddy in the Complement image to reduce restart time. ([\#12480](https://github.com/matrix-org/synapse/issues/12480))
- Immediately retry any requests that have backed off when a server comes back online. ([\#12500](https://github.com/matrix-org/synapse/issues/12500))
- Use `make_awaitable` instead of `defer.succeed` for return values of mocks in tests. ([\#12505](https://github.com/matrix-org/synapse/issues/12505))
- Consistently check if an object is a `frozendict`. ([\#12564](https://github.com/matrix-org/synapse/issues/12564))
- Protect module callbacks with read semantics against cancellation. ([\#12568](https://github.com/matrix-org/synapse/issues/12568))
- Improve comments and error messages around access tokens. ([\#12577](https://github.com/matrix-org/synapse/issues/12577))
- Improve docstrings for the receipts store. ([\#12581](https://github.com/matrix-org/synapse/issues/12581))
- Use constants for read-receipts in tests. ([\#12582](https://github.com/matrix-org/synapse/issues/12582))
- Log status code of cancelled requests as 499 and avoid logging stack traces for them. ([\#12587](https://github.com/matrix-org/synapse/issues/12587), [\#12663](https://github.com/matrix-org/synapse/issues/12663))
- Remove special-case for `twisted` logger from default log config. ([\#12589](https://github.com/matrix-org/synapse/issues/12589))
- Use `getClientAddress` instead of the deprecated `getClientIP`. ([\#12599](https://github.com/matrix-org/synapse/issues/12599))
- Add link to documentation in Grafana Dashboard. ([\#12602](https://github.com/matrix-org/synapse/issues/12602))
- Reduce log spam when running multiple event persisters. ([\#12610](https://github.com/matrix-org/synapse/issues/12610))
- Add extra debug logging to federation sender. ([\#12614](https://github.com/matrix-org/synapse/issues/12614))
- Prevent remote homeservers from requesting local user device names by default. ([\#12616](https://github.com/matrix-org/synapse/issues/12616))
- Add a consistency check on events which we read from the database. ([\#12620](https://github.com/matrix-org/synapse/issues/12620))
- Remove use of the `constantly` library and switch to enums for `EventRedactBehaviour`. Contributed by @andrewdoh. ([\#12624](https://github.com/matrix-org/synapse/issues/12624))
- Remove unused code related to receipts. ([\#12632](https://github.com/matrix-org/synapse/issues/12632))
- Minor improvements to the scripts for running Synapse in worker mode under Complement. ([\#12637](https://github.com/matrix-org/synapse/issues/12637))
- Move `pympler` back in to the `all` extras. ([\#12652](https://github.com/matrix-org/synapse/issues/12652))
- Fix spelling of `M_UNRECOGNIZED` in comments. ([\#12665](https://github.com/matrix-org/synapse/issues/12665))
- Release script: confirm the commit to be tagged before tagging. ([\#12556](https://github.com/matrix-org/synapse/issues/12556))
- Fix a typo in the announcement text generated by the Synapse release development script. ([\#12612](https://github.com/matrix-org/synapse/issues/12612))
- Fix scripts-dev to pass typechecking. ([\#12356](https://github.com/matrix-org/synapse/issues/12356))
- Add some type hints to datastore. ([\#12485](https://github.com/matrix-org/synapse/issues/12485))
- Remove unused `# type: ignore`s. ([\#12531](https://github.com/matrix-org/synapse/issues/12531))
- Allow unused `# type: ignore` comments in bleeding edge CI jobs. ([\#12576](https://github.com/matrix-org/synapse/issues/12576))
- Remove redundant lines of config from `mypy.ini`. ([\#12608](https://github.com/matrix-org/synapse/issues/12608))
- Update to mypy 0.950. ([\#12650](https://github.com/matrix-org/synapse/issues/12650))
- Use `Concatenate` to better annotate `_do_execute`. ([\#12666](https://github.com/matrix-org/synapse/issues/12666))
- Use `ParamSpec` to refine type hints. ([\#12667](https://github.com/matrix-org/synapse/issues/12667))
- Fix mypy against latest pillow stubs. ([\#12671](https://github.com/matrix-org/synapse/issues/12671))
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(superseding `update_user_directory`) to allow a generic worker to be designated as the worker to update the user directory. (#12654)
Co-authored-by: Shay <hillerys@element.io>
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* Move `_condition_checker` into `PushRuleEvaluatorForEvent`.
* Move the condition cache into `PushRuleEvaluatorForEvent`.
* Improve docstrings.
* Inline a method which is only called once.
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online. (#12500)
Otherwise it can take up to a minute for any in-flight `/send` requests to be retried.
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events (#12601)
Fixes vector-im/element-web#20788
Implements matrix-org/matrix-spec-proposals#3786
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There's no guarantee that module callbacks will handle cancellation
appropriately. Protect module callbacks with read semantics from
cancellation and avoid swallowing `CancelledError`s that arise.
Other module callbacks, such as the `on_*` callbacks, are presumed to
live on code paths that involve writes and aren't cancellation-friendly.
These module callbacks have been left alone.
Signed-off-by: Sean Quah <seanq@element.io>
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Fixes #12669
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`notify_appservices`) to allow a generic worker to be designated as the worker to send traffic to Application Services. (#12452)
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Signed-off-by: Nicolas Werner <nicolas.werner@hotmail.de>
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Fixes a regression from 8b309adb436c162510ed1402f33b8741d71fc058 (#11660)
and b65acead428653b988351ae8d7b22127a22039cd (#11752) where events which
themselves were an edit or an annotation could have bundled aggregations calculated,
which is not allowed.
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The last usage was removed in 5a1dd297c3ce105a7f516d9d9fe87b94b9d356c8 (#8059).
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* Add mau_appservice_trial_days
* Add a test
* Tweaks
* changelog
* Ensure we sync after the delay
* Fix types
* Add config statement
* Fix test
* Reinstate logging that got removed
* Fix feature name
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getClientIP was deprecated in Twisted 18.4.0, which also added
getClientAddress. The Synapse minimum version for Twisted is
currently 18.9.0, so all supported versions have the new API.
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* Changes hidden read receipts to be a separate receipt type
(instead of a field on `m.read`).
* Updates the `/receipts` endpoint to accept `m.fully_read`.
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* `m.login.jwt`, which was never specced and has been deprecated
since Synapse 1.16.0. (`org.matrix.login.jwt` can be used instead.)
* `uk.half-shot.msc2778.login.application_service`, which was
stabilized as part of the Matrix spec v1.2 release.
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Don't log stack traces for cancelled requests and use a custom HTTP
status code of 499.
Signed-off-by: Sean Quah <seanq@element.io>
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The `latest_event` field of the bundled aggregations for `m.thread` relations
did not include bundled aggregations itself. This resulted in clients needing to
immediately request the event from the server (and thus making it useless that
the latest event itself was serialized instead of just including an event ID).
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I've seen a few errors which can only plausibly be explained by the calculated
event id for an event being different from the ID of the event in the
database. It should be cheap to check this, so let's do so and raise an
exception.
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