Add debug logs wherever we change current logcontext (`LoggingContext`).
I've had to make this same set of changes over and over as I've been
debugging things so it seems useful enough to include by default.
Instead of tracing things at the `set_current_context(...)` level, I've
added the debug logging on all of the utilities that utilize
`set_current_context(...)`. It's much easier to reason about the log
context changing because of `PreserveLoggingContext` changing things
than an opaque `set_current_context(...)` call.
Revert https://github.com/element-hq/synapse/pull/18849
Go back to our custom `LogContextScopeManager` after trying
OpenTracing's `ContextVarsScopeManager`.
Fix https://github.com/element-hq/synapse/issues/19004
### Why revert?
For reference, with the normal reactor, `ContextVarsScopeManager` worked
just as good as our custom `LogContextScopeManager` as far as I can tell
(and even better in some cases). But since Twisted appears to not fully
support `ContextVar`'s, it doesn't work as expected in all cases.
Compounding things, `ContextVarsScopeManager` was causing errors with
the experimental `SYNAPSE_ASYNC_IO_REACTOR` option.
Since we're not getting the full benefit that we originally desired, we
might as well revert and figure out alternatives for extending the
logcontext lifetimes to support the use case we were trying to unlock
(c.f. https://github.com/element-hq/synapse/pull/18804).
See
https://github.com/element-hq/synapse/issues/19004#issuecomment-3358052171
for more info.
### Does this require backporting and patch releases?
No. Since `ContextVarsScopeManager` operates just as good with the
normal reactor and was only causing actual errors with the experimental
`SYNAPSE_ASYNC_IO_REACTOR` option, I don't think this requires us to
backport and make patch releases at all.
### Maintain cross-links between main trace and background process work
In order to maintain the functionality introduced in https://github.com/element-hq/synapse/pull/18932 (cross-links between the background process trace and currently active trace), we also needed a small change.
Previously, when we were using `ContextVarsScopeManager`, it tracked the tracing scope across the logcontext changes without issue. Now that we're using our own custom `LogContextScopeManager` again, we need to capture the active span from the logcontext before we reset to the sentinel context because of the `PreserveLoggingContext()` below.
Added some tests to ensure we maintain the `run_as_background` tracing behavior regardless of the tracing scope manager we use.
Prefer the utils over raw logcontext manipulation.
Spawning from adding some logcontext debug logs in
https://github.com/element-hq/synapse/pull/18966 and since we're not
logging at the `set_current_context(...)` level (see reasoning there),
this removes some usage of `set_current_context(...)`.
Spawning from adding some logcontext debug logs in
https://github.com/element-hq/synapse/pull/18966 and since we're not
logging at the `set_current_context(...)` level (see reasoning there),
this removes some usage of `set_current_context(...)`.
Specifically, `MockClock.call_later(...)` doesn't handle logcontexts
correctly. It uses the calling logcontext as the callback context
(wrong, as the logcontext could finish before the callback finishes) and
it didn't reset back to the sentinel context before handing back to the
reactor. It was like this since it was [introduced 10+ years
ago](38da9884e7).
Instead of fixing the implementation which would just be a copy of our
normal `Clock`, we can just remove `MockClock`
### Background
As part of Element's plan to support a light form of vhosting (virtual
host) (multiple instances of Synapse in the same Python process), we're
currently diving into the details and implications of running multiple
instances of Synapse in the same Python process.
"Per-tenant logging" tracked internally by
https://github.com/element-hq/synapse-small-hosts/issues/48
### Prior art
Previously, we exposed `server_name` by providing a static logging
`MetadataFilter` that injected the values:
205d9e4fc4/synapse/config/logger.py (L216)
While this can work fine for the normal case of one Synapse instance per
Python process, this configures things globally and isn't compatible
when we try to start multiple Synapse instances because each subsequent
tenant will overwrite the previous tenant.
### What does this PR do?
We remove the `MetadataFilter` and replace it by tracking the
`server_name` in the `LoggingContext` and expose it with our existing
[`LoggingContextFilter`](205d9e4fc4/synapse/logging/context.py (L584-L622))
that we already use to expose information about the `request`.
This means that the `server_name` value follows wherever we log as
expected even when we have multiple Synapse instances running in the
same process.
### A note on logcontext
Anywhere, Synapse mistakenly uses the `sentinel` logcontext to log
something, we won't know which server sent the log. We've been fixing up
`sentinel` logcontext usage as tracked by
https://github.com/element-hq/synapse/issues/18905
Any further `sentinel` logcontext usage we find in the future can be
fixed piecemeal as normal.
d2a966f922/docs/log_contexts.md (L71-L81)
### Testing strategy
1. Adjust your logging config to include `%(server_name)s` in the format
```yaml
formatters:
precise:
format: '%(asctime)s - %(server_name)s - %(name)s - %(lineno)d -
%(levelname)s - %(request)s - %(message)s'
```
1. Start Synapse: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Make some requests (`curl
http://localhost:8008/_matrix/client/versions`, etc)
1. Open the homeserver logs and notice the `server_name` in the logs as
expected. `unknown_server_from_sentinel_context` is expected for the
`sentinel` logcontext (things outside of Synapse).
Related to https://github.com/element-hq/synapse/issues/18905
These fixes were split off from
https://github.com/element-hq/synapse/pull/18828 where @devonh was
seeing some test failures because `timeout_deferred(...)` is being
updated to use `Clock` utilities instead of raw `reactor` methods. This
test was failing in that branch/PR until we made this new version that
handles the logcontexts properly.
While the previous version of this test does pass on `develop`, it was
using what appears completely wrong assertions, assumptions, and bad
patterns to make it happen (see diff comments below)
---
Test originally introduced in https://github.com/matrix-org/synapse/pull/4407
Before https://github.com/element-hq/synapse/pull/18849, we we're using
our own custom `LogContextScopeManager` which tied the tracing scope to
the `LoggingContext`. Since we created a new
`BackgroundProcessLoggingContext` any time we
`run_as_background_process(...)`, the trace for the background work was
separate from the trace that kicked of the work as expected (e.g.
request trace is separate from the background process we kicked to fetch
more messages from the federation).
Since we've now switched to the `ContextVarsScopeManager` (in
https://github.com/element-hq/synapse/pull/18849), the tracing scope now
crosses the `LoggingContext` boundaries (and thread boundaries) without
a problem. This means we end up with request traces that include all of
the background work that we've kicked off bloating the trace and making
it hard to understand what's going on.
This PR separates the traces again to how things were before.
Additionally, things are even better now since I added some cross-link
references between the traces to easily be able to jump between.
Follow-up to https://github.com/element-hq/synapse/pull/18849
---
In the before, you can see that the trace is blown up by the background
process (`bgproc.qwer`).
In the after, we now only have a little cross-link marker span
(`start_bgproc.qwer`) to jump to background process trace.
Before | After
--- | ---
<some image> | <some image>
### Testing strategy
1. Run a Jaeger instance
(https://www.jaegertracing.io/docs/1.6/getting-started/)
```shell
$ docker run -d --name jaeger \
-e COLLECTOR_ZIPKIN_HTTP_PORT=9411 \
-p 5775:5775/udp \
-p 6831:6831/udp \
-p 6832:6832/udp \
-p 5778:5778 \
-p 16686:16686 \
-p 14268:14268 \
-p 9411:9411 \
jaegertracing/all-in-one:1.59.0
```
1. Configure Synapse to use tracing:
`homeserver.yaml`
```yaml
## Tracing ##
opentracing:
enabled: true
jaeger_config:
sampler:
type: const
param: 1
logging:
false
```
1. Make sure the optional `opentracing` dependency is installed: `poetry
install --extras all`
1. In the `VersionsRestServlet`, modify it to kick off a dummy
background process (easy to test this way)
```python
from synapse.metrics.background_process_metrics import
run_as_background_process
async def _qwer() -> None:
await self.clock.sleep(1)
run_as_background_process("qwer", "test_server", _qwer)
```
1. Run Synapse: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Fire off a version requests: `curl
http://localhost:8008/_matrix/client/versions`
1. Visit http://localhost:16686/search to view the traces
- Select the correct service
- Look for the `VersionsRestServlet` operation
- Press 'Find Traces' button
- Select the relevant trace
- Notice how the trace isn't bloated
- Look for the `start_bgproc.qwer` span cross-linking to the background
process
- Jump to the other trace using the cross-link reference ->
`bgproc.qwer`
Regressed in
https://github.com/element-hq/synapse/pull/18900#discussion_r2331554278
(see conversation there for more context)
### How is this a regression?
> To give this an update with more hindsight; this logic *was* redundant
with the early return and it is safe to remove this complexity
✅
>
> It seems like this actually has to do with completed vs incomplete
deferreds...
>
> To explain how things previously worked *without* the early-return
shortcut:
>
> With the normal case of **incomplete awaitable**, we store the
`calling_context` and the `f` function is called and runs until it
yields to the reactor. Because `f` follows the logcontext rules, it sets
the `sentinel` logcontext. Then in `run_in_background(...)`, we restore
the `calling_context`, store the current `ctx` (which is `sentinel`) and
return. When the deferred completes, we restore `ctx` (which is
`sentinel`) before yielding to the reactor again (all good
✅)
>
> With the other case where we see a **completed awaitable**, we store
the `calling_context` and the `f` function is called and runs to
completion (no logcontext change). *This is where the shortcut would
kick in but I'm going to continue explaining as if we commented out the
shortcut.* -- Then in `run_in_background(...)`, we restore the
`calling_context`, store the current `ctx` (which is same as the
`calling_context`). Because the deferred is already completed, our extra
callback is called immediately and we restore `ctx` (which is same as
the `calling_context`). Since we never yield to the reactor, the
`calling_context` is perfect as that's what we want again (all good
✅)
>
> ---
>
> But this also means that our early-return shortcut is no longer just
an optimization and is *necessary* to act correctly in the **completed
awaitable** case as we want to return with the `calling_context` and not
reset to the `sentinel` context. I've updated the comment in
https://github.com/element-hq/synapse/pull/18964 to explain the
necessity as it's currently just described as an optimization.
>
> But because we made the same change to
`run_coroutine_in_background(...)` which didn't have the same
early-return shortcut, we regressed the correct behavior ❌ . This is
being fixed in https://github.com/element-hq/synapse/pull/18964
>
>
> *-- @MadLittleMods,
https://github.com/element-hq/synapse/pull/18900#discussion_r2373582917*
### How did we find this problem?
Spawning from @wrjlewis
[seeing](https://matrix.to/#/!SGNQGPGUwtcPBUotTL:matrix.org/$h3TxxPVlqC6BTL07dbrsz6PmaUoZxLiXnSTEY-QYDtA?via=jki.re&via=matrix.org&via=element.io)
`Starting metrics collection 'typing.get_new_events' from sentinel
context: metrics will be lost` in the logs:
<details>
<summary>More logs</summary>
```
synapse.http.request_metrics - 222 - ERROR - sentinel - Trying to stop RequestMetrics in the sentinel context.
2025-09-23 14:43:19,712 - synapse.util.metrics - 212 - WARNING - sentinel - Starting metrics collection 'typing.get_new_events' from sentinel context: metrics will be lost
2025-09-23 14:43:19,713 - synapse.rest.client.sync - 851 - INFO - sentinel - Client has disconnected; not serializing response.
2025-09-23 14:43:19,713 - synapse.http.server - 825 - WARNING - sentinel - Not sending response to request <XForwardedForRequest at 0x7f23e8111ed0 method='POST' uri='/_matrix/client/unstable/org.matrix.simplified_msc3575/sync?pos=281963%2Fs929324_147053_10_2652457_147960_2013_25554_4709564_0_164_2&timeout=30000' clientproto='HTTP/1.1' site='8008'>, already dis
connected.
2025-09-23 14:43:19,713 - synapse.access.http.8008 - 515 - INFO - sentinel - 92.40.194.87 - 8008 - {@me:wi11.co.uk} Processed request: 30.005sec/-8.041sec (0.001sec, 0.000sec) (0.000sec/0.002sec/2) 0B 200! "POST /_matrix/client/unstable/org.matrix.simplified_msc3575/
```
</details>
From the logs there, we can see things relating to
`typing.get_new_events` and
`/_matrix/client/unstable/org.matrix.simplified_msc3575/sync` which led
me to trying out Sliding Sync with the typing extension enabled and
allowed me to reproduce the problem locally. Sliding Sync is a unique
scenario as it's the only place we use `gather_optional_coroutines(...)`
-> `run_coroutine_in_background(...)` (introduced in
https://github.com/element-hq/synapse/pull/17884) to exhibit this
behavior.
### Testing strategy
1. Configure Synapse to enable
[MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186):
Simplified Sliding Sync which is actually under
[MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575)
```yaml
experimental_features:
msc3575_enabled: true
```
1. Start synapse: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Make a Sliding Sync request with one of the extensions enabled
```http
POST
http://localhost:8008/_matrix/client/unstable/org.matrix.simplified_msc3575/sync
{
"lists": {},
"room_subscriptions": {
"!FlgJYGQKAIvAscfBhq:my.synapse.linux.server": {
"required_state": [],
"timeline_limit": 1
}
},
"extensions": {
"typing": {
"enabled": true
}
}
}
```
1. Open your homeserver logs and notice warnings about `Starting ...
from sentinel context: metrics will be lost`
Spawning from
https://github.com/matrix-org/synapse/pull/12588#discussion_r865843321
> It turns out `Deferred.cancel()` is a lot like
`Deferred.callback()`/`errback()` in that it will trash the logging
context:
> it can resume a coroutine, which will restore its own logging context,
then run:
>
> - until it blocks, setting the sentinel context
> - or until it terminates, setting the context it was started with
>
> So we need to wrap it in `with PreserveLoggingContext():`, like we do
with `.callback()`:
>
> ```python
> with PreserveLoggingContext():
> self.render_deferred.cancel()
> ```
>
> *-- @squahtx,
https://github.com/matrix-org/synapse/pull/12588#discussion_r865843321*
Regressed in
https://github.com/element-hq/synapse/pull/18900#discussion_r2331554278
(see conversation there for more context)
### How is this a regression?
> To give this an update with more hindsight; this logic *was* redundant
with the early return and it is safe to remove this complexity
✅
>
> It seems like this actually has to do with completed vs incomplete
deferreds...
>
> To explain how things previously worked *without* the early-return
shortcut:
>
> With the normal case of **incomplete awaitable**, we store the
`calling_context` and the `f` function is called and runs until it
yields to the reactor. Because `f` follows the logcontext rules, it sets
the `sentinel` logcontext. Then in `run_in_background(...)`, we restore
the `calling_context`, store the current `ctx` (which is `sentinel`) and
return. When the deferred completes, we restore `ctx` (which is
`sentinel`) before yielding to the reactor again (all good
✅)
>
> With the other case where we see a **completed awaitable**, we store
the `calling_context` and the `f` function is called and runs to
completion (no logcontext change). *This is where the shortcut would
kick in but I'm going to continue explaining as if we commented out the
shortcut.* -- Then in `run_in_background(...)`, we restore the
`calling_context`, store the current `ctx` (which is same as the
`calling_context`). Because the deferred is already completed, our extra
callback is called immediately and we restore `ctx` (which is same as
the `calling_context`). Since we never yield to the reactor, the
`calling_context` is perfect as that's what we want again (all good
✅)
>
> ---
>
> But this also means that our early-return shortcut is no longer just
an optimization and is *necessary* to act correctly in the **completed
awaitable** case as we want to return with the `calling_context` and not
reset to the `sentinel` context. I've updated the comment in
https://github.com/element-hq/synapse/pull/18964 to explain the
necessity as it's currently just described as an optimization.
>
> But because we made the same change to
`run_coroutine_in_background(...)` which didn't have the same
early-return shortcut, we regressed the correct behavior ❌ . This is
being fixed in https://github.com/element-hq/synapse/pull/18964
>
>
> *-- @MadLittleMods,
https://github.com/element-hq/synapse/pull/18900#discussion_r2373582917*
### How did we find this problem?
Spawning from @wrjlewis
[seeing](https://matrix.to/#/!SGNQGPGUwtcPBUotTL:matrix.org/$h3TxxPVlqC6BTL07dbrsz6PmaUoZxLiXnSTEY-QYDtA?via=jki.re&via=matrix.org&via=element.io)
`Starting metrics collection 'typing.get_new_events' from sentinel
context: metrics will be lost` in the logs:
<details>
<summary>More logs</summary>
```
synapse.http.request_metrics - 222 - ERROR - sentinel - Trying to stop RequestMetrics in the sentinel context.
2025-09-23 14:43:19,712 - synapse.util.metrics - 212 - WARNING - sentinel - Starting metrics collection 'typing.get_new_events' from sentinel context: metrics will be lost
2025-09-23 14:43:19,713 - synapse.rest.client.sync - 851 - INFO - sentinel - Client has disconnected; not serializing response.
2025-09-23 14:43:19,713 - synapse.http.server - 825 - WARNING - sentinel - Not sending response to request <XForwardedForRequest at 0x7f23e8111ed0 method='POST' uri='/_matrix/client/unstable/org.matrix.simplified_msc3575/sync?pos=281963%2Fs929324_147053_10_2652457_147960_2013_25554_4709564_0_164_2&timeout=30000' clientproto='HTTP/1.1' site='8008'>, already dis
connected.
2025-09-23 14:43:19,713 - synapse.access.http.8008 - 515 - INFO - sentinel - 92.40.194.87 - 8008 - {@me:wi11.co.uk} Processed request: 30.005sec/-8.041sec (0.001sec, 0.000sec) (0.000sec/0.002sec/2) 0B 200! "POST /_matrix/client/unstable/org.matrix.simplified_msc3575/
```
</details>
From the logs there, we can see things relating to
`typing.get_new_events` and
`/_matrix/client/unstable/org.matrix.simplified_msc3575/sync` which led
me to trying out Sliding Sync with the typing extension enabled and
allowed me to reproduce the problem locally. Sliding Sync is a unique
scenario as it's the only place we use `gather_optional_coroutines(...)`
-> `run_coroutine_in_background(...)` (introduced in
https://github.com/element-hq/synapse/pull/17884) to exhibit this
behavior.
### Testing strategy
1. Configure Synapse to enable
[MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186):
Simplified Sliding Sync which is actually under
[MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575)
```yaml
experimental_features:
msc3575_enabled: true
```
1. Start synapse: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Make a Sliding Sync request with one of the extensions enabled
```http
POST
http://localhost:8008/_matrix/client/unstable/org.matrix.simplified_msc3575/sync
{
"lists": {},
"room_subscriptions": {
"!FlgJYGQKAIvAscfBhq:my.synapse.linux.server": {
"required_state": [],
"timeline_limit": 1
}
},
"extensions": {
"typing": {
"enabled": true
}
}
}
```
1. Open your homeserver logs and notice warnings about `Starting ...
from sentinel context: metrics will be lost`
Fix `no active span when trying to log` tracing error on startup.
Example error:
```log
synapse.logging.opentracing - 427 - ERROR - wake_destinations_needing_catchup-0 - There was no active span when trying to log. Did you forget to start one or did a context slip?
Stack (most recent call last):
File "/usr/lib/python3.13/threading.py", line 1014, in _bootstrap
self._bootstrap_inner()
File "/usr/lib/python3.13/threading.py", line 1043, in _bootstrap_inner
self.run()
File "/usr/lib/python3.13/threading.py", line 994, in run
self._target(*self._args, **self._kwargs)
File "python3.13/site-packages/twisted/_threads/_threadworker.py", line 75, in work
task()
File "python3.13/site-packages/twisted/_threads/_team.py", line 192, in doWork
task()
File "python3.13/site-packages/twisted/python/threadpool.py", line 269, in inContext
result = inContext.theWork() # type: ignore[attr-defined]
File "python3.13/site-packages/twisted/python/threadpool.py", line 285, in <lambda>
inContext.theWork = lambda: context.call( # type: ignore[attr-defined]
File "python3.13/site-packages/twisted/python/context.py", line 117, in callWithContext
return self.currentContext().callWithContext(ctx, func, *args, **kw)
File "python3.13/site-packages/twisted/python/context.py", line 82, in callWithContext
return func(*args, **kw)
File "python3.13/site-packages/twisted/enterprise/adbapi.py", line 282, in _runWithConnection
result = func(conn, *args, **kw)
File "synapse/synapse/storage/database.py", line 1094, in inner_func
return func(db_conn, *args, **kwargs)
File "synapse/synapse/storage/database.py", line 822, in new_transaction
opentracing.log_kv({"message": "commit"})
File "synapse/synapse/logging/opentracing.py", line 427, in ensure_active_span_inner_2
logger.error(
```
### Why did this happen before?
This previously occurred because we called `init_tracer(...)` after the
reactor started up in `_base.start()`. But we actually attempt some
database transactions earlier than that which try to do some tracing
because of that `oidc = hs.get_oidc_handler()` line.
Notice `oidc = hs.get_oidc_handler()` happened before `_base.start(hs)`:
5be7679dd9/synapse/app/homeserver.py (L397-L408)
With this PR, I've updated things to `init_tracer(...)` earlier on
alongside where we `setup_logging(...)`.
## Fix last seen timestamp in `/_synapse/admin/v2/users` response
Fixes#18955
The last seen timestamps contained in `/_synapse/admin/v2/users`
responses were computed as follows:
```sql
[...]
LEFT JOIN (
SELECT user_id, MAX(last_seen) AS last_seen_ts
FROM user_ips GROUP BY user_id
) ls ON u.name = ls.user_id
[...]
```
4367fb2d07/synapse/storage/databases/main/__init__.py (L302C1-L305C44)
This leads to empty timestamps (as in: user was never seen) if users are
inactive for longer than
[`user_ips_max_age`](https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html#user_ips_max_age).
The fix is quite trivial: Use the `devices` table, as this one also
contains last seen timestamps but is *not* periodically purged.
We are using this for automatic user account deletion (via
[synadm](https://codeberg.org/synadm/synadm)) and the patched code works
as intended, whereas the unpatched version wants to delete users during
long vacations. 🫣
Part of https://github.com/element-hq/synapse/issues/18905
Lints for ensuring we use `Clock.call_later` instead of
`reactor.callLater`, etc are coming in
https://github.com/element-hq/synapse/pull/18944
### Testing strategy
1. Configure Synapse to log at the `DEBUG` level
1. Start Synapse: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Wait 10 seconds for the [database profiling
loop](9cc4001778/synapse/storage/database.py (L711))
to execute
1. Notice the logcontext being used for the `Total database time` log
line
Before (`sentinel`):
```
2025-09-10 16:36:58,651 - synapse.storage.TIME - 707 - DEBUG - sentinel - Total database time: 0.646% {room_forgetter_stream_pos(2): 0.131%, reap_monthly_active_users(1): 0.083%, get_device_change_last_converted_pos(1): 0.078%}
```
After (`looping_call`):
```
2025-09-10 16:36:58,651 - synapse.storage.TIME - 707 - DEBUG - looping_call - Total database time: 0.646% {room_forgetter_stream_pos(2): 0.131%, reap_monthly_active_users(1): 0.083%, get_device_change_last_converted_pos(1): 0.078%}
```
Introduce `Clock.add_system_event_trigger(...)` to wrap system event
callback code in a logcontext, ensuring we can identify which server
generated the logs.
Background:
> Ideally, nothing from the Synapse homeserver would be logged against the `sentinel`
> logcontext as we want to know which server the logs came from. In practice, this is not
> always the case yet especially outside of request handling.
>
> Global things outside of Synapse (e.g. Twisted reactor code) should run in the
> `sentinel` logcontext. It's only when it calls into application code that a logcontext
> gets activated. This means the reactor should be started in the `sentinel` logcontext,
> and any time an awaitable yields control back to the reactor, it should reset the
> logcontext to be the `sentinel` logcontext. This is important to avoid leaking the
> current logcontext to the reactor (which would then get picked up and associated with
> the next thing the reactor does).
>
> *-- `docs/log_contexts.md`
Also adds a lint to prefer `Clock.add_system_event_trigger(...)` over
`reactor.addSystemEventTrigger(...)`
Part of https://github.com/element-hq/synapse/issues/18905
Introduce `Clock.call_when_running(...)` to wrap startup code in a
logcontext, ensuring we can identify which server generated the logs.
Background:
> Ideally, nothing from the Synapse homeserver would be logged against the `sentinel`
> logcontext as we want to know which server the logs came from. In practice, this is not
> always the case yet especially outside of request handling.
>
> Global things outside of Synapse (e.g. Twisted reactor code) should run in the
> `sentinel` logcontext. It's only when it calls into application code that a logcontext
> gets activated. This means the reactor should be started in the `sentinel` logcontext,
> and any time an awaitable yields control back to the reactor, it should reset the
> logcontext to be the `sentinel` logcontext. This is important to avoid leaking the
> current logcontext to the reactor (which would then get picked up and associated with
> the next thing the reactor does).
>
> *-- `docs/log_contexts.md`
Also adds a lint to prefer `Clock.call_when_running(...)` over
`reactor.callWhenRunning(...)`
Part of https://github.com/element-hq/synapse/issues/18905
Remove `sentinel` logcontext where we log in `setup`, `start`, and exit.
Instead of having one giant PR that removes all places we use `sentinel`
logcontext, I've decided to tackle this more piece-meal. This PR covers
the parts if you just startup Synapse and exit it with no requests or
activity going on in between.
Part of https://github.com/element-hq/synapse/issues/18905 (Remove
`sentinel` logcontext where we log in Synapse)
Prerequisite for https://github.com/element-hq/synapse/pull/18868.
Logging with the `sentinel` logcontext means we won't know which server
the log came from.
### Why
9cc4001778/docs/log_contexts.md (L71-L81)
(docs updated in https://github.com/element-hq/synapse/pull/18900)
### Testing strategy
1. Run Synapse normally and with `daemonize: true`: `poetry run
synapse_homeserver --config-path homeserver.yaml`
1. Execute some requests
1. Shutdown the server
1. Look for any bad log entries in your homeserver logs:
- `Expected logging context sentinel but found main`
- `Expected logging context main was lost`
- `Expected previous context`
- `utime went backwards!`/`stime went backwards!`
- `Called stop on logcontext POST-0 without recording a start rusage`
1. Look for any logs coming from the `sentinel` context
With these changes, you should only see the following logs (not from
Synapse) using the `sentinel` context if you start up Synapse and exit:
`homeserver.log`
```
2025-09-10 14:45:39,924 - asyncio - 64 - DEBUG - sentinel - Using selector: EpollSelector
2025-09-10 14:45:40,562 - twisted - 281 - INFO - sentinel - Received SIGINT, shutting down.
2025-09-10 14:45:40,562 - twisted - 281 - INFO - sentinel - (TCP Port 9322 Closed)
2025-09-10 14:45:40,563 - twisted - 281 - INFO - sentinel - (TCP Port 8008 Closed)
2025-09-10 14:45:40,563 - twisted - 281 - INFO - sentinel - (TCP Port 9093 Closed)
2025-09-10 14:45:40,564 - twisted - 281 - INFO - sentinel - Main loop terminated.
```
Also adds a section in the docs explaining the `sentinel` logcontext.
Spawning from https://github.com/element-hq/synapse/pull/18870
### Testing strategy
1. Run Synapse normally and with `daemonize: true`: `poetry run
synapse_homeserver --config-path homeserver.yaml`
1. Execute some requests
1. Shutdown the server
1. Look for any bad log entries in your homeserver logs:
- `Expected logging context sentinel but found main`
- `Expected logging context main was lost`
- `Expected previous context`
- `utime went backwards!`/`stime went backwards!`
- `Called stop on logcontext POST-0 without recording a start rusage`
- `Background process re-entered without a proc`
Twisted trial tests:
1. Run full Twisted trial test suite.
1. Check the logs for `Test starting with non-sentinel logging context ...`
Spawning from https://github.com/element-hq/synapse/pull/18871
[This change](6ce2f3e59d)
was originally used to fix CPU time going backwards when we `daemonize`.
While, we don't seem to run into this problem on `develop`, I still
think this is a good change to make. We don't need background tasks
running on a process that will soon be forcefully exited and where the
reactor isn't even running yet. We now kick off the background tasks
(`run_as_background_process`) after we have forked the process and
started the reactor.
Also as simple note, we don't need background tasks running in both halves of a fork.
This fixes two bugs that affect the availability of MSC4133 until the
next spec release.
1. The servlet didn't recognise the unstable endpoint even when the
homeserver advertised it
2. The HS didn't advertise support for the stable prefixed version
Would only have been a problem until the next spec release but it's nice
to have it work before then.
While exploring bring up of using `orjson`, exposed an interesting flaw.
The stdlib `json` encoder seems to be ok with coercing a `str` from an
`Enum`(specifically, a `Class[str, Enum]`). The `orjson` encoder does
not like that this is a class and not a proper `str` per spec. Using the
`.value` of the enum as the key for the dict produced while answering a
`GET` admin request for experimental features seems to fix this.
We should send events that rescind invites over federation.
Similarly, we should handle receiving such events. Unfortunately, the
protocol doesn't make it possible to fully auth such events, and so we
can only handle the case where the original inviter rescinded the invite
(rather than a room admin).
Complement test: https://github.com/matrix-org/complement/pull/797
If Synapse is under test (`SYNAPSE_LOG_TESTING` is set), we don't care
about seeing the "Applying schema" log lines at the INFO level every
time we run the tests (it's 100 lines of bulk for each homeserver).
```
synapse_main | 2025-08-29 22:34:03,453 - synapse.storage.prepare_database - 433 - INFO - main - Applying schema deltas for v73
synapse_main | 2025-08-29 22:34:03,454 - synapse.storage.prepare_database - 541 - INFO - main - Applying schema 73/01event_failed_pull_attempts.sql
synapse_main | 2025-08-29 22:34:03,463 - synapse.storage.prepare_database - 541 - INFO - main - Applying schema 73/02add_pusher_enabled.sql
synapse_main | 2025-08-29 22:34:03,473 - synapse.storage.prepare_database - 541 - INFO - main - Applying schema 73/02room_id_indexes_for_purging.sql
synapse_main | 2025-08-29 22:34:03,482 - synapse.storage.prepare_database - 541 - INFO - main - Applying schema 73/03pusher_device_id.sql
synapse_main | 2025-08-29 22:34:03,492 - synapse.storage.prepare_database - 541 - INFO - main - Applying schema 73/03users_approved_column.sql
synapse_main | 2025-08-29 22:34:03,502 - synapse.storage.prepare_database - 541 - INFO - main - Applying schema 73/04partial_join_details.sql
synapse_main | 2025-08-29 22:34:03,513 - synapse.storage.prepare_database - 541 - INFO - main - Applying schema 73/04pending_device_list_updates.sql
...
```
The Synapse logs are visible when a Complement test fails or you use
`COMPLEMENT_ALWAYS_PRINT_SERVER_LOGS=1`. This is spawning from a
Complement test with three homeservers and wanting less log noise to
scroll through.
Spawning from observing this trace for a `/messages` request
(`RoomMessageListRestServlet`). We don't know if it took a while for the
database to fetch a single redaction or a whole chain of redactions.
Switch to OpenTracing's `ContextVarsScopeManager` instead of our own
custom `LogContextScopeManager`.
This is now possible because the linked Twisted issue from the comment
in our custom `LogContextScopeManager` is resolved:
https://twistedmatrix.com/trac/ticket/10301
This PR is spawning from exploring different possibilities to solve the
`scope` loss problem I was encountering in
https://github.com/element-hq/synapse/pull/18804#discussion_r2268254424.
This appears to solve the problem and I've added the additional test
from there to this PR ✅
[Complement tests](https://github.com/matrix-org/complement/pull/790)
Basically, when we use `/state_ids` in conjunction with `/event`
requests, the `/event` request can fail causing a partial state to be
returned. When we persist the state, we process dependent events first.
If we fail to process a dependent event due to missing the `auth_event`,
we didn't update the in-memory event map. This meant that we could
incorrectly persist events that depended on dropped events.
Discovered via Chaos testing.
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [x] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct (run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
Spawning from wanting to confirm my replies in
https://github.com/element-hq/synapse/issues/18489
We're now using the same source of truth of the list of tables being
purged in the tests. For example, we weren't testing that
`local_current_membership` was cleared out before because the lists were
out of sync.
Bumps [slab](https://github.com/tokio-rs/slab) from 0.4.10 to 0.4.11.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/tokio-rs/slab/releases">slab's
releases</a>.</em></p>
<blockquote>
<h2>v0.4.11</h2>
<ul>
<li>Fix <code>Slab::get_disjoint_mut</code> out of bounds (<a
href="https://redirect.github.com/tokio-rs/slab/issues/152">#152</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/tokio-rs/slab/blob/master/CHANGELOG.md">slab's
changelog</a>.</em></p>
<blockquote>
<h1>0.4.11 (August 8, 2025)</h1>
<ul>
<li>Fix <code>Slab::get_disjoint_mut</code> out of bounds (<a
href="https://redirect.github.com/tokio-rs/slab/issues/152">#152</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="2e5779f8eb"><code>2e5779f</code></a>
Release v0.4.11 (<a
href="https://redirect.github.com/tokio-rs/slab/issues/153">#153</a>)</li>
<li><a
href="2d65c514bc"><code>2d65c51</code></a>
Fix get_disjoint_mut error condition (<a
href="https://redirect.github.com/tokio-rs/slab/issues/152">#152</a>)</li>
<li>See full diff in <a
href="https://github.com/tokio-rs/slab/compare/v0.4.10...v0.4.11">compare
view</a></li>
</ul>
</details>
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We do this by a) not pulling out all membership events, and b) batch
inserting bans.
One blocking concern is that this bypasses the `update_membership`
function, which otherwise all other membership events go via. In this
case it's fine (having audited what it is doing), but I'm hesitant to
set the precedent of bypassing it, given it has a lot of logic in there.
---------
Co-authored-by: Eric Eastwood <erice@element.io>
This PR reverts https://github.com/element-hq/synapse/pull/18751
### Why revert?
@reivilibre
[found](https://matrix.to/#/!vcyiEtMVHIhWXcJAfl:sw1v.org/$u9OEmMxaFYUzWHhCk1A_r50Y0aGrtKEhepF7WxWJkUA?via=matrix.org&via=node.marinchik.ink&via=element.io)
that our CI was failing in bizarre ways (thanks for stepping up to dive
into this 🙇). Examples:
- `twisted.internet.error.ProcessTerminated: A process has ended with a
probable error condition: process ended by signal 9.`
- `twisted.internet.error.ProcessTerminated: A process has ended with a
probable error condition: process ended by signal 15.`
<details>
<summary>More detailed part of the log</summary>
https://github.com/element-hq/synapse/actions/runs/16758038107/job/47500520633#step:9:6809
```
tests.util.test_wheel_timer.WheelTimerTestCase.test_single_insert_fetch
===============================================================================
Error:
Traceback (most recent call last):
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/trial/_dist/disttrial.py", line 371, in task
await worker.run(case, result)
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/trial/_dist/worker.py", line 305, in run
return await self.callRemote(workercommands.Run, testCase=testCaseId) # type: ignore[no-any-return]
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/internet/defer.py", line 1187, in __iter__
yield self
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/internet/defer.py", line 1092, in _runCallbacks
current.result = callback( # type: ignore[misc]
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/protocols/amp.py", line 1968, in _massageError
error.trap(RemoteAmpError)
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/python/failure.py", line 431, in trap
self.raiseException()
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/python/failure.py", line 455, in raiseException
raise self.value.with_traceback(self.tb)
twisted.internet.error.ProcessTerminated: A process has ended with a probable error condition: process ended by signal 9.
tests.util.test_macaroons.MacaroonGeneratorTestCase.test_guest_access_token
-------------------------------------------------------------------------------
Ran 4325 tests in 669.321s
FAILED (skips=159, errors=62, successes=4108)
while calling from thread
Traceback (most recent call last):
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/internet/base.py", line 1064, in runUntilCurrent
f(*a, **kw)
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/internet/base.py", line 790, in stop
raise error.ReactorNotRunning("Can't stop reactor that isn't running.")
twisted.internet.error.ReactorNotRunning: Can't stop reactor that isn't running.
joining disttrial worker #0 failed
Traceback (most recent call last):
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/internet/defer.py", line 1853, in _inlineCallbacks
result = context.run(
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
return g.throw(self.value.with_traceback(self.tb))
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/trial/_dist/worker.py", line 406, in exit
await endDeferred
File "/home/runner/.cache/pypoetry/virtualenvs/matrix-synapse-pswDeSvb-py3.9/lib/python3.9/site-packages/twisted/internet/defer.py", line 1187, in __iter__
yield self
twisted.internet.error.ProcessTerminated: A process has ended with a probable error condition: process ended by signal 15.
```
</details>
With more debugging (thanks @devonh for also stepping in as maintainer),
we were finding that the CI was consistently failing at
`test_exposed_to_prometheus` which was a bit of smoke because of all of
the [metrics
changes](https://github.com/element-hq/synapse/issues/18592) that were
merged recently.
Locally, although I wasn't able to reproduce the bizarre errors, I could
easily see increased memory usage (~20GB vs ~2GB) and the
`test_exposed_to_prometheus` test taking a while to complete when
running a full test run (`SYNAPSE_TEST_LOG_LEVEL=INFO poetry run trial
tests`).
<img width="1485" height="78" alt="Lots of memory usage"
src="https://github.com/user-attachments/assets/811e2a96-75e5-4a3c-966c-00dc0512cea9"
/>
After updating `test_exposed_to_prometheus` to dump the
`latest_metrics_response = generate_latest(REGISTRY)`, I could see that
it's a massive 3.2GB response. Inspecting the contents, we can see 4.1M
(4,137,123) entries for just
`synapse_background_update_status{server_name="test"} 3.0` which is a
`LaterGauge`. I don't think we have 4.1M test cases so it's also unclear
why we end up with so many samples but it does make sense that we do see
a lot of duplicates because each `HomeserverTestCase` will create a
homeserver for each test case that will `LaterGauge.register_hook(...)`
(part of the https://github.com/element-hq/synapse/pull/18751 changes).
`tests/storage/databases/main/test_metrics.py`
```python
latest_metrics_response = generate_latest(REGISTRY)
with open("/tmp/synapse-test-metrics", "wb") as f:
f.write(latest_metrics_response)
```
After reverting the https://github.com/element-hq/synapse/pull/18751
changes, running the full test suite locally doesn't result in memory
spikes and seems to run normally.
### Dev notes
Discussion in the
[`#synapse-dev:matrix.org`](https://matrix.to/#/!vcyiEtMVHIhWXcJAfl:sw1v.org/$vkMATs04yqZggVVd6Noop5nU8M2DVoTkrAWshw7u1-w?via=matrix.org&via=node.marinchik.ink&via=element.io)
room.
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [ ] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [ ] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct (run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
Fix `LaterGauge` metrics to collect from all servers
Follow-up to https://github.com/element-hq/synapse/pull/18714
Previously, our `LaterGauge` metrics did include the `server_name` label
as expected but we were only seeing the last server being reported in
some cases. Any `LaterGauge` that we were creating multiple times was
only reporting the last instance.
This PR updates all `LaterGauge` to be created once and then we use
`LaterGauge.register_hook(...)` to add in the metric callback as before.
This works now because we store a list of callbacks instead of just one.
I noticed this problem thanks to some [tests in the Synapse Pro for
Small Hosts](https://github.com/element-hq/synapse-small-hosts/pull/173)
repo that sanity check all metrics to ensure that we can see each metric
includes data from multiple servers.
### Testing strategy
1. This is only noticeable when you run multiple Synapse instances in
the same process.
1. TODO
(see test that was added)
### Dev notes
Previous non-global `LaterGauge`:
```
synapse_federation_send_queue_xxx
synapse_federation_transaction_queue_pending_destinations
synapse_federation_transaction_queue_pending_pdus
synapse_federation_transaction_queue_pending_edus
synapse_handlers_presence_user_to_current_state_size
synapse_handlers_presence_wheel_timer_size
synapse_notifier_listeners
synapse_notifier_rooms
synapse_notifier_users
synapse_replication_tcp_resource_total_connections
synapse_replication_tcp_command_queue
synapse_background_update_status
synapse_federation_known_servers
synapse_scheduler_running_tasks
```
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [x] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct (run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
This can be reviewed commit by commit
There are a few improvements over the experimental support:
- authorisation of Synapse <-> MAS requests is simplified, with a single
shared secret, removing the need for provisioning a client on the MAS
side
- the tests actually spawn a real server, allowing us to test the rust
introspection layer
- we now check that the device advertised in introspection actually
exist, making it so that when a user logs out, the tokens are
immediately invalidated, even if the cache doesn't expire
- it doesn't rely on discovery anymore, rather on a static endpoint
base. This means users don't have to override the introspection endpoint
to avoid internet roundtrips
- it doesn't depend on `authlib` anymore, as we simplified a lot the
calls done from Synapse to MAS
We still have to update the MAS documentation about the Synapse setup,
but that can be done later.
---------
Co-authored-by: reivilibre <oliverw@element.io>
We do this by a) not pulling out all membership events, and b) batch
inserting bans.
One blocking concern is that this bypasses the `update_membership`
function, which otherwise all other membership events go via. In this
case it's fine (having audited what it is doing), but I'm hesitant to
set the precedent of bypassing it, given it has a lot of logic in there.
---------
Co-authored-by: Eric Eastwood <erice@element.io>
Follow-up to https://github.com/element-hq/synapse/pull/18604
Previously, our cache metrics did include the `server_name` label as
expected but we were only seeing the last server being reported. This
was caused because we would
`CACHE_METRIC_REGISTRY.register_hook(metric_name, metric.collect)` where
the `metric_name` only took into account the cache name so it would be
overwritten every time we spawn a new server.
This PR updates the register logic to include the `server_name` so we
have a hook for every cache on every server as expected.
I noticed this problem thanks to some [tests in the Synapse Pro for
Small Hosts](https://github.com/element-hq/synapse-small-hosts/pull/173)
repo that sanity check all metrics to ensure that we can see each metric
includes data from multiple servers.
```
Failed to stop metrics: TypeError("prometheus_client.metrics.MetricWrapperBase.labels() got multiple values for keyword argument 'server_name'")
```
Noticed while running and debugging some tests.
This bug was introduced in
https://github.com/element-hq/synapse/pull/18724
Bulk refactor `Histogram` metrics to be homeserver-scoped. We also add
lints to make sure that new `Histogram` metrics don't sneak in without
using the `server_name` label (`SERVER_NAME_LABEL`).
Part of https://github.com/element-hq/synapse/issues/18592
### Testing strategy
1. Add the `metrics` listener in your `homeserver.yaml`
```yaml
listeners:
# This is just showing how to configure metrics either way
#
# `http` `metrics` resource
- port: 9322
type: http
bind_addresses: ['127.0.0.1']
resources:
- names: [metrics]
compress: false
# `metrics` listener
- port: 9323
type: metrics
bind_addresses: ['127.0.0.1']
```
1. Start the homeserver: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Fetch `http://localhost:9322/_synapse/metrics` and/or
`http://localhost:9323/metrics`
1. Observe response includes the TODO metrics with the `server_name`
label
### Todo
- [x] Wait for https://github.com/element-hq/synapse/pull/18656 to merge
### Dev notes
```
LoggingDatabaseConnection
make_conn
make_pool
make_fake_db_pool
```
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [x] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct (run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
Fix https://github.com/element-hq/synapse/issues/18735
In https://github.com/element-hq/synapse/pull/18670, we updated
`run_as_background_process` to add a `server_name` argument. Because
this function is directly exported from the Synapse module API, this is
a breaking change to any downstream Synapse modules that use
`run_as_background_process`.
This PR shims and deprecates the existing
`run_as_background_process(...)` for modules by providing a stub
`server_name` value and introduces a new
`ModuleApi.run_as_background_process(...)` that covers the `server_name`
logic automagically.
Refactor `GaugeBucketCollector` metrics to be homeserver-scoped
Part of https://github.com/element-hq/synapse/issues/18592
### Testing strategy
1. Add the `metrics` listener in your `homeserver.yaml`
```yaml
listeners:
# This is just showing how to configure metrics either way
#
# `http` `metrics` resource
- port: 9322
type: http
bind_addresses: ['127.0.0.1']
resources:
- names: [metrics]
compress: false
# `metrics` listener
- port: 9323
type: metrics
bind_addresses: ['127.0.0.1']
```
1. Start the homeserver: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Fetch `http://localhost:9322/_synapse/metrics` and/or
`http://localhost:9323/metrics`
1. Adjust the number of [`msecs` in the `looping_call` so that
`_read_forward_extremities`](a82b8a966a/synapse/storage/databases/main/metrics.py (L79))
runs immediately instead of after an hour.
1. Observe response includes the `synapse_forward_extremities` and
`synapse_excess_extremity_events` metrics with the `server_name` label
Bulk refactor `Gauge` metrics to be homeserver-scoped. We also add lints
to make sure that new `Gauge` metrics don't sneak in without using the
`server_name` label (`SERVER_NAME_LABEL`).
Part of https://github.com/element-hq/synapse/issues/18592
### Testing strategy
1. Add the `metrics` listener in your `homeserver.yaml`
```yaml
listeners:
# This is just showing how to configure metrics either way
#
# `http` `metrics` resource
- port: 9322
type: http
bind_addresses: ['127.0.0.1']
resources:
- names: [metrics]
compress: false
# `metrics` listener
- port: 9323
type: metrics
bind_addresses: ['127.0.0.1']
```
1. Start the homeserver: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Fetch `http://localhost:9322/_synapse/metrics` and/or
`http://localhost:9323/metrics`
1. Observe response includes the TODO metrics with the `server_name`
label
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [x] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct (run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
Bulk refactor `Counter` metrics to be homeserver-scoped. We also add
lints to make sure that new `Counter` metrics don't sneak in without
using the `server_name` label (`SERVER_NAME_LABEL`).
All of the "Fill in" commits are just bulk refactor.
Part of https://github.com/element-hq/synapse/issues/18592
### Testing strategy
1. Add the `metrics` listener in your `homeserver.yaml`
```yaml
listeners:
# This is just showing how to configure metrics either way
#
# `http` `metrics` resource
- port: 9322
type: http
bind_addresses: ['127.0.0.1']
resources:
- names: [metrics]
compress: false
# `metrics` listener
- port: 9323
type: metrics
bind_addresses: ['127.0.0.1']
```
1. Start the homeserver: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Fetch `http://localhost:9322/_synapse/metrics` and/or
`http://localhost:9323/metrics`
1. Observe response includes the `synapse_user_registrations_total`,
`synapse_http_server_response_count_total`, etc metrics with the
`server_name` label
Distro packagers have been consulted and as far as has been answered so
far, the lowest version of Twisted on the distros' platforms is 22.1, so
this bump should be safe.
This gives us 2 notable things:
- contextvar propagation support, which would let us remove A LOT of
logcontext machinery
and vastly simplify logcontext rules!
- The test helpers have moved to the new location, so no longer will you
import test helpers
from the 'correct' (non-deprecated) path and get told by CI (olddeps)
that your test
doesn't exist.
Changelog entries for those are reproduced below:
> - twisted.internet.defer.inlineCallbacks and ensureDeferred will now
associate a contextvars.Context with the coroutines they run, meaning
that ContextVar objects will maintain their value within the same
coroutine, similarly to asyncio Tasks. This functionality requires
Python 3.7+, or the contextvars PyPI backport to be installed for Python
3.5-3.6. (#<!--- -->9719, #<!--- -->9826)
>
> - twisted.test.proto_helpers has moved to twisted.internet.testing.
twisted.test.proto_helpers has been deprecated. (#<!--- -->6435)
---------
Signed-off-by: Olivier 'reivilibre <oliverw@matrix.org>
Default values will be 1 room per minute, with a burst count of 10.
It's hard to imagine most users will be affected by this default rate,
but it's intentionally non-invasive in case of bots or other users that
need to create rooms at a large rate.
Server admins might want to down-tune this on their deployments.
---------
Signed-off-by: Olivier 'reivilibre <oliverw@matrix.org>
Best reviewed commit by commit.
With the new dedicated MAS API
(https://github.com/element-hq/synapse/pull/18520), it's possible that
deactivation starts off the main process, which was not possible because
of a few calls.
I basically looked at everything that the deactivation handler was
doing, reviewed whether it could run on workers or not, and find a
workaround when possible
---------
Co-authored-by: Eric Eastwood <erice@element.io>
Part of https://github.com/element-hq/synapse/issues/18592
Separated out of https://github.com/element-hq/synapse/pull/18656
because it's a bigger, unique piece of the refactor
### Testing strategy
1. Add the `metrics` listener in your `homeserver.yaml`
```yaml
listeners:
# This is just showing how to configure metrics either way
#
# `http` `metrics` resource
- port: 9322
type: http
bind_addresses: ['127.0.0.1']
resources:
- names: [metrics]
compress: false
# `metrics` listener
- port: 9323
type: metrics
bind_addresses: ['127.0.0.1']
```
1. Start the homeserver: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Fetch `http://localhost:9322/_synapse/metrics` and/or
`http://localhost:9323/metrics`
1. Observe response includes the background processs metrics
(`synapse_background_process_start_count`,
`synapse_background_process_db_txn_count_total`, etc) with the
`server_name` label
Spawning from getting `HMAC incorrect` errors that seem unexplainable
except for the `registration_shared_secret` being misconfigured. It's
also possible my HMAC calculation is incorrect but every time I
double-check the result with the [known-good Python
example](553e124f76/docs/admin_api/register_api.md)
(which matches [Synapse's
source](24e849e483/synapse/rest/admin/users.py (L618-L633))),
it's as expected.
With these logs, we can actually debug whether
`registration_shared_secret` is being configured correctly or not.
It also helps specifically when using `registration_shared_secret_path`
since the default Synapse behavior (of creating the file and secret if
it doesn't exist) can mask deployment race condition where we would
start up Synapse before the `registration_shared_secret_path` file was
put in place:
> **`registration_shared_secret_path`**
>
> [...]
>
> If this file does not exist, Synapse will create a new shared secret
on startup and store it in this file.
>
> *-- [Synapse config
docs](6521406a37/docs/usage/configuration/config_documentation.md (registration_shared_secret_path))*
This only applies to the [`POST
/_synapse/admin/v1/register`](553e124f76/docs/admin_api/register_api.md)
endpoint but does log very sensitive information so we've made it so you
have to explicitly enable the logs by configuring
`synapse.rest.admin.users.registration_debug` (does not inherit root log
level) (via our new `ExplicitlyConfiguredLogger`)
`homeserver.yaml`
```yaml
log_config: "/myserver.log.config.yaml"
```
`myserver.log.config.yaml`
```yaml
version: 1
formatters:
precise:
format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
handlers:
# ... file/buffer handler (see `sample_log_config.yaml`)
# A handler that writes logs to stderr. Unused by default, but can be used
# instead of "buffer" and "file" in the logger handlers.
console:
class: logging.StreamHandler
formatter: precise
loggers:
synapse.storage.SQL:
# beware: increasing this to DEBUG will make synapse log sensitive
# information such as access tokens.
level: INFO
# Has to be explicitly configured as such. Will not inherit from the root level even if it's set to DEBUG
synapse.rest.admin.users.registration_debug:
level: DEBUG
root:
level: INFO
handlers: [console]
disable_existing_loggers: false
```
The case where a consumer stops downloading media that is currently
being streamed is now able to be handled explicitly.
That scenario isn't really an error, it is expected behaviour.
This PR adds a custom exception which allows us to drop the log level
for this specific case from `WARNING` to `INFO`.
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [X] Pull request is based on the develop branch
* [X] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [X] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct (run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
---------
Co-authored-by: Eric Eastwood <erice@element.io>
This introduces a dedicated API for MAS to consume. Companion PR on the
MAS side: element-hq/matrix-authentication-service#4801
This has a few advantages over the previous admin API:
- it works on workers (this will be documented once we stabilise MSC3861
as a whole)
- it is more efficient because more focused
- it propagates trace contexts from MAS
- it is only accessible to MAS (through the shared secret) and will let
us remove the weird hack that made this token 'admin' with a ghost
'@__oidc_admin:' user
The next MAS version should support it, but will be opt-in. The version
after that should use this new API by default
---------
Co-authored-by: Eric Eastwood <erice@element.io>
Spawning from https://github.com/element-hq/synapse/pull/18689
Example CI failure that will stop people from leaving stray `Cargo.lock`
changes behind,
```
Error: Cargo.lock has uncommitted changes after install. Please run 'poetry install --extras all' and commit the Cargo.lock changes.
```
The main goal of this PR is to handle device list changes onto multiple
writers, off the main process, so that we can have logins happening
whilst Synapse is rolling-restarting.
This is quite an intrusive change, so I would advise to review this
commit by commit; I tried to keep the history as clean as possible.
There are a few things to consider:
- the `device_list_key` in stream tokens becomes a
`MultiWriterStreamToken`, which has a few implications in sync and on
the storage layer
- we had a split between `DeviceHandler` and `DeviceWorkerHandler` for
master vs. worker process. I've kept this split, but making it rather
writer vs. non-writer worker, using method overrides for doing
replication calls when needed
- there are a few operations that need to happen on a single worker at a
time. Instead of using cross-worker locks, for now I made them run on
the first writer on the list
---------
Co-authored-by: Eric Eastwood <erice@element.io>
Normal install results in `Cargo.lock` changes constantly popping up for me as I navigate my
branches. This was probably caused by some Depdendabot PR updating the
`Cargo.toml` without `Cargo.lock` or something.
```
poetry install --extras all
```
In another PR, I've also added CI to ensure we don't leave `Cargo.lock`
changes behind to avoid this annoyance in the future ->
https://github.com/element-hq/synapse/pull/18693
Clean up `MetricsResource`, Prometheus hacks
(`_set_prometheus_client_use_created_metrics`), and better document why
we care about having a separate `metrics` listener type.
These clean-up changes have been split out from
https://github.com/element-hq/synapse/pull/18584 since that PR was
closed.
Bumps [lxml](https://github.com/lxml/lxml) from 5.4.0 to 6.0.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/lxml/lxml/blob/master/CHANGES.txt">lxml's
changelog</a>.</em></p>
<blockquote>
<h1>6.0.0 (2025-06-26)</h1>
<h2>Features added</h2>
<ul>
<li>
<p>GH#463: <code>lxml.html.diff</code> is faster and provides
structurally better diffs.
Original patch by Steven Fernandez.</p>
</li>
<li>
<p>GH#405: The factories <code>Element</code> and
<code>ElementTree</code> can now be used in type hints.</p>
</li>
<li>
<p>GH#448: Parsing from <code>memoryview</code> and other buffers is
supported to allow zero-copy parsing.</p>
</li>
<li>
<p>GH#437: <code>lxml.html.builder</code> was missing several HTML5 tag
names.
Patch by Nick Tarleton.</p>
</li>
<li>
<p>GH#458: <code>CDATA</code> can now be written into the incremental
<code>xmlfile()</code> writer.
Original patch by Lane Shaw.</p>
</li>
<li>
<p>A new parser option <code>decompress=False</code> was added that
controls the automatic
input decompression when using libxml2 2.15.0 or later. Disabling this
option
by default will effectively prevent decompression bombs when handling
untrusted
input. Code that depends on automatic decompression must enable this
option.
Note that libxml2 2.15.0 was not released yet, so this option currently
has no
effect but can already be used.</p>
</li>
<li>
<p>The set of compile time / runtime supported libxml2 feature names is
available as
<code>etree.LIBXML_COMPILED_FEATURES</code> and
<code>etree.LIBXML_FEATURES</code>.
This currently includes
<code>catalog</code>, <code>ftp</code>, <code>html</code>,
<code>http</code>, <code>iconv</code>, <code>icu</code>,
<code>lzma</code>, <code>regexp</code>, <code>schematron</code>,
<code>xmlschema</code>, <code>xpath</code>, <code>zlib</code>.</p>
</li>
</ul>
<h2>Bugs fixed</h2>
<ul>
<li>
<p>GH#353: Predicates in <code>.find*()</code> could mishandle tag
indices if a default namespace is provided.
Original patch by Luise K.</p>
</li>
<li>
<p>GH#272: The <code>head</code> and <code>body</code> properties of
<code>lxml.html</code> elements failed if no such element
was found. They now return <code>None</code> instead.
Original patch by FVolral.</p>
</li>
<li>
<p>Tag names provided by code (API, not data) that are longer than
<code>INT_MAX</code>
could be truncated or mishandled in other ways.</p>
</li>
<li>
<p><code>.text_content()</code> on <code>lxml.html</code> elements
accidentally returned a "smart string"
without additional information. It now returns a plain string.</p>
</li>
<li>
<p>LP#2109931: When building lxml with coverage reporting, it now
disables the <code>sys.monitoring</code>
support due to the lack of support in <a
href="https://redirect.github.com/nedbat/coveragepy/issues/1790">nedbat/coveragepy#1790</a></p>
</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="2a67034bc2"><code>2a67034</code></a>
Prepare release of 6.0.0.</li>
<li><a
href="e0b4e02182"><code>e0b4e02</code></a>
Update changelog.</li>
<li><a
href="d3f4dcf689"><code>d3f4dcf</code></a>
Build: Upgrade libxml2 to latest 2.14.4.</li>
<li><a
href="014e51cce3"><code>014e51c</code></a>
Build: Add Windows arm64 wheel builds (<a
href="https://redirect.github.com/lxml/lxml/issues/465">GH-465</a>)</li>
<li><a
href="d3914dcb6a"><code>d3914dc</code></a>
Only use "xmlCtxtIsStopped()" from libxml2 2.15.0 on since it
fails to cover ...</li>
<li><a
href="6e41390275"><code>6e41390</code></a>
Avoid reading the deprecated "disableSAX" attribute of
"xmlParserCtxt".</li>
<li><a
href="f85da81b1d"><code>f85da81</code></a>
Use newer "language_level=3" in ElementPath module.</li>
<li><a
href="787315eb54"><code>787315e</code></a>
Build: bump pypa/cibuildwheel in the github-actions group (<a
href="https://redirect.github.com/lxml/lxml/issues/464">#464</a>)</li>
<li><a
href="fb3adb1dce"><code>fb3adb1</code></a>
Readme: Add project income report for 2024.</li>
<li><a
href="8e61a757c8"><code>8e61a75</code></a>
Fit cached tuple more nicely into cachelines.</li>
<li>Additional commits viewable in <a
href="https://github.com/lxml/lxml/compare/lxml-5.4.0...lxml-6.0.0">compare
view</a></li>
</ul>
</details>
<br />
[](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)
Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.
[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)
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<details>
<summary>Dependabot commands and options</summary>
<br />
You can trigger Dependabot actions by commenting on this PR:
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Fixes https://github.com/element-hq/synapse/issues/18659
This changes the Tokio runtime to be attached to the Twisted reactor.
This way, the Tokio runtime starts when the Twisted reactor starts, and
*not* when the module gets loaded.
This is important as starting the runtime on module load meant that it
broke when Synapse was started with `daemonize`/`synctl`, as forks only
retain the calling threads, breaking the Tokio runtime.
This also changes so that the HttpClient gets the Twisted reactor
explicitly as parameter instead of loading it from
`twisted.internet.reactor`
Refactor `Measure` block metrics to be homeserver-scoped (add
`server_name` label to block metrics).
Part of https://github.com/element-hq/synapse/issues/18592
### Testing strategy
#### See behavior of previous `metrics` listener
1. Add the `metrics` listener in your `homeserver.yaml`
```yaml
listeners:
- port: 9323
type: metrics
bind_addresses: ['127.0.0.1']
```
1. Start the homeserver: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Fetch `http://localhost:9323/metrics`
1. Observe response includes the block metrics
(`synapse_util_metrics_block_count`,
`synapse_util_metrics_block_in_flight`, etc)
#### See behavior of the `http` `metrics` resource
1. Add the `metrics` resource to a new or existing `http` listeners in
your `homeserver.yaml`
```yaml
listeners:
- port: 9322
type: http
bind_addresses: ['127.0.0.1']
resources:
- names: [metrics]
compress: false
```
1. Start the homeserver: `poetry run synapse_homeserver --config-path
homeserver.yaml`
1. Fetch `http://localhost:9322/_synapse/metrics` (it's just a `GET`
request so you can even do in the browser)
1. Observe response includes the block metrics
(`synapse_util_metrics_block_count`,
`synapse_util_metrics_block_in_flight`, etc)
Fixes: #18491
Fix hotlooping due to skipped PDUs if there is still no progress to be
made.
This could bite if the event was purged since being skipped during
catch-up.
Signed-off-by: Olivier 'reivilibre <oliverw@matrix.org>
Another config option on my quest to a `*_path` variant for every
secret. Adds the config options `recaptcha_private_key_path` and
`recaptcha_public_key_path`. Tests and docs are included.
A public key is of course no secret, but it is closely related to the
private key, so it’s still useful to have a `*_path` variant for it.
Bumps [base64](https://github.com/marshallpierce/rust-base64) from
0.21.7 to 0.22.1.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/marshallpierce/rust-base64/blob/master/RELEASE-NOTES.md">base64's
changelog</a>.</em></p>
<blockquote>
<h1>0.22.1</h1>
<ul>
<li>Correct the symbols used for the predefined
<code>alphabet::BIN_HEX</code>.</li>
</ul>
<h1>0.22.0</h1>
<ul>
<li><code>DecodeSliceError::OutputSliceTooSmall</code> is now
conservative rather than precise. That is, the error will only occur if
the decoded output <em>cannot</em> fit, meaning that
<code>Engine::decode_slice</code> can now be used with exactly-sized
output slices. As part of this, <code>Engine::internal_decode</code> now
returns <code>DecodeSliceError</code> instead of
<code>DecodeError</code>, but that is not expected to affect any
external callers.</li>
<li><code>DecodeError::InvalidLength</code> now refers specifically to
the <em>number of valid symbols</em> being invalid (i.e. <code>len % 4
== 1</code>), rather than just the number of input bytes. This avoids
confusing scenarios when based on interpretation you could make a case
for either <code>InvalidLength</code> or <code>InvalidByte</code> being
appropriate.</li>
<li>Decoding is somewhat faster (5-10%)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="e144006974"><code>e144006</code></a>
v0.22.1</li>
<li><a
href="64cca59ddb"><code>64cca59</code></a>
Merge pull request <a
href="https://redirect.github.com/marshallpierce/rust-base64/issues/271">#271</a>
from JobanSD/patch-1</li>
<li><a
href="838355e0ac"><code>838355e</code></a>
Correct BinHex 4.0 alphabet according to specifications</li>
<li><a
href="bf15ccf30a"><code>bf15ccf</code></a>
Merge pull request <a
href="https://redirect.github.com/marshallpierce/rust-base64/issues/270">#270</a>
from marshallpierce/mp/clippy</li>
<li><a
href="fc6aabee8a"><code>fc6aabe</code></a>
Appease clippy</li>
<li><a
href="9a518a2d5d"><code>9a518a2</code></a>
Merge pull request <a
href="https://redirect.github.com/marshallpierce/rust-base64/issues/267">#267</a>
from bdura/patch-1</li>
<li><a
href="d96c80f242"><code>d96c80f</code></a>
Merge branch 'marshallpierce:master' into patch-1</li>
<li><a
href="5d70ba7576"><code>5d70ba7</code></a>
Merge pull request <a
href="https://redirect.github.com/marshallpierce/rust-base64/issues/269">#269</a>
from marshallpierce/mp/decode-precisely</li>
<li><a
href="efb6c006c7"><code>efb6c00</code></a>
Release notes</li>
<li><a
href="2b91084a31"><code>2b91084</code></a>
Add some tests to boost coverage</li>
<li>Additional commits viewable in <a
href="https://github.com/marshallpierce/rust-base64/compare/v0.21.7...v0.22.1">compare
view</a></li>
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`commonmark` has been deprecated in favor of `markdown-it-py`, and its
type hints have been [removed from
typeshed](https://github.com/python/typeshed/issues/13725).
This switches the release script to use `markdown-it-py` instead of
`commonmark` for parsing the `CHANGES.md`
This should be reviewed commit by commit.
Nowadays it's trivial to propagate cache invalidations, which means we
can move some things off the main process, and not go through HTTP
replication.
`ReplicationGetQueryRestServlet` appeared to be unused, and was very
weird, as it was being called if the current instance is the main one…
to RPC to the main one (if no instance is set on a replication client,
it makes it to the main process)
The other two handlers could be relatively trivially moved to any
workers, moving some methods to the worker store.
**I've intentionally not removed the replication servlets yet** so that
it's safe to rollout, and will do another PR that clean those up to
remove on the N+1 version
You can now configure how much media can be uploaded by a user in a
given time period.
Note the first commit here is a refactor of create/upload content
function
This implements
https://github.com/matrix-org/matrix-spec-proposals/pull/3765 which is
already merged and, therefore, can use stable identifiers.
For `/publicRooms` and `/hierarchy`, the topic is read from the
eponymous field of the `current_state_events` table. Rather than
introduce further columns in this table, I changed the insertion /
update logic to write the plain-text topic from the rich topic into the
existing field. This will not take effect for existing rooms unless
their topic is changed. However, existing rooms shouldn't have rich
topics to begin with.
Similarly, for server-side search, I changed the insertion logic of the
`event_search` table to prefer the value from the rich topic. Again,
existing events shouldn't have rich topics and, therefore, don't need to
be migrated in the table.
Spec doc: https://spec.matrix.org/v1.15/client-server-api/#mroomtopic
Part of supporting Matrix v1.15:
https://spec.matrix.org/v1.15/client-server-api/#mroomtopic
Signed-off-by: Johannes Marbach <n0-0ne+github@mailbox.org>
Co-authored-by: Eric Eastwood <erice@element.io>
This takes down the CI time to build wheels from 50 minutes to <10
minutes.
**It also fixes macOS ARM builds, and includes more ARM builds in
general** (we were ignoring pypy and musl before). This doesn't cost
much for us to do this, reasons for not doing this is 1. space on PyPI
and 2. keeping them 'officially' supported?
This is the list of wheels this built (`+` are the ones added):
```diff
matrix_synapse-1.133.0-cp39-abi3-macosx_10_9_x86_64.whl
+ matrix_synapse-1.133.0-cp39-abi3-macosx_11_0_arm64.whl
matrix_synapse-1.133.0-cp39-abi3-manylinux_2_28_aarch64.whl
matrix_synapse-1.133.0-cp39-abi3-manylinux_2_28_x86_64.whl
+ matrix_synapse-1.133.0-cp39-abi3-musllinux_1_2_aarch64.whl
matrix_synapse-1.133.0-cp39-abi3-musllinux_1_2_x86_64.whl
matrix_synapse-1.133.0-pp310-pypy310_pp73-macosx_10_15_x86_64.whl
+ matrix_synapse-1.133.0-pp310-pypy310_pp73-macosx_11_0_arm64.whl
+ matrix_synapse-1.133.0-pp310-pypy310_pp73-manylinux_2_28_aarch64.whl
matrix_synapse-1.133.0-pp310-pypy310_pp73-manylinux_2_28_x86_64.whl
matrix_synapse-1.133.0-pp311-pypy311_pp73-macosx_10_15_x86_64.whl
+ matrix_synapse-1.133.0-pp311-pypy311_pp73-macosx_11_0_arm64.whl
+ matrix_synapse-1.133.0-pp311-pypy311_pp73-manylinux_2_28_aarch64.whl
matrix_synapse-1.133.0-pp311-pypy311_pp73-manylinux_2_28_x86_64.whl
```
And the numbers aaaaare 🥁
-
[before](https://github.com/element-hq/synapse/actions/runs/16072488018):
54 minutes
-
[after](https://github.com/element-hq/synapse/actions/runs/16004034949?pr=18618):
10 minutes
**Revert
[e43b0f9](e43b0f9bd1)
before merging**
This splits the building of docker images in 2 jobs, one for each
platform, using the native ARM runners for arm64.
The tricky part here is to get back a nice multi-arch manifest.
Previously, you'd do that by pushing each platform image in two distinct
tags, then referencing them in a multi-arch manifest. Nowadays, it's
possible to push images by their digest only, then creating the manifest
for those pushed digests separately
This is inspired by the Docker docs on how to distribute multi-platform
image builds:
https://docs.docker.com/build/ci/github-actions/multi-platform/#distribute-build-across-multiple-runners
`ghcr.io/element-hq/synapse:sha-c733dd6` is an example image that got
built by this workflow (there is a temporary sha-* tag on
workflow_dispatch runs to help trying out the workflow)
I also had to make sure we sign the manifests correctly:
```
$ cosign verify --certificate-oidc-issuer https://token.actions.githubusercontent.com --certificate-identity-regexp 'https://github.com/element-hq/synapse/.github/workflows/docker.yml@.*' ghcr.io/element-hq/synapse:sha-c733dd6
Verification for ghcr.io/element-hq/synapse:sha-c733dd6 --
The following checks were performed on each of these signatures:
- The cosign claims were validated
- Existence of the claims in the transparency log was verified offline
- The code-signing certificate was verified using trusted certificate authority certificates
```
And the numbers aaaaare 🥁
-
[before](https://github.com/element-hq/synapse/actions/runs/16118229296/job/45477093703):
30 minutes
-
[after](https://github.com/element-hq/synapse/actions/runs/16021743575):
4 minutes
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Bumps [typing-extensions](https://github.com/python/typing_extensions)
from 4.14.0 to 4.14.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/python/typing_extensions/releases">typing-extensions's
releases</a>.</em></p>
<blockquote>
<h2>4.14.1</h2>
<h1>Release 4.14.1 (July 4, 2025)</h1>
<ul>
<li>Fix usage of <code>typing_extensions.TypedDict</code> nested inside
other types
(e.g., <code>typing.Type[typing_extensions.TypedDict]</code>). This is
not allowed by the
type system but worked on older versions, so we maintain support.</li>
</ul>
</blockquote>
</details>
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<summary>Changelog</summary>
<p><em>Sourced from <a
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<blockquote>
<h1>Release 4.14.1 (July 4, 2025)</h1>
<ul>
<li>Fix usage of <code>typing_extensions.TypedDict</code> nested inside
other types
(e.g., <code>typing.Type[typing_extensions.TypedDict]</code>). This is
not allowed by the
type system but worked on older versions, so we maintain support.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="42027aba35"><code>42027ab</code></a>
Prepare release 4.14.1 (<a
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<li><a
href="59d2c20858"><code>59d2c20</code></a>
Fix off by one in pickle protocol tests (<a
href="https://redirect.github.com/python/typing_extensions/issues/618">#618</a>)</li>
<li><a
href="40e22ebb2c"><code>40e22eb</code></a>
Do not use slots for <code>_TypedDictSpecialForm</code> (<a
href="https://redirect.github.com/python/typing_extensions/issues/616">#616</a>)</li>
<li><a
href="d17c456d36"><code>d17c456</code></a>
allow TypedDict as a type argument (<a
href="https://redirect.github.com/python/typing_extensions/issues/614">#614</a>)</li>
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Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.46.0 to 1.46.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/tokio-rs/tokio/releases">tokio's
releases</a>.</em></p>
<blockquote>
<h2>Tokio v1.46.1</h2>
<h1>1.46.1 (July 4th, 2025)</h1>
<p>This release fixes incorrect spawn locations in runtime task hooks
for tasks spawned using <code>tokio::spawn</code> rather than
<code>Runtime::spawn</code>. This issue only effected the spawn location
in <code>TaskMeta::spawned_at</code>, and did not effect task locations
in Tracing events.</p>
<h2>Unstable</h2>
<ul>
<li>runtime: add <code>TaskMeta::spawn_location</code> tracking where a
task was spawned (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7440">#7440</a>)</li>
</ul>
<p><a
href="https://redirect.github.com/tokio-rs/tokio/issues/7440">#7440</a>:
<a
href="https://redirect.github.com/tokio-rs/tokio/pull/7440">tokio-rs/tokio#7440</a></p>
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<li><a
href="a1ee3ef218"><code>a1ee3ef</code></a>
chore: fix some minor typos in the comments (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7442">#7442</a>)</li>
<li><a
href="171cd148a3"><code>171cd14</code></a>
changelog: fix typo in <code>pipe::OpenOptions</code> for 1.46.0 (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/7439">#7439</a>)</li>
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Bumps
[types-psycopg2](https://github.com/typeshed-internal/stub_uploader)
from 2.9.21.20250318 to 2.9.21.20250516.
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Bumps [typing-extensions](https://github.com/python/typing_extensions)
from 4.12.2 to 4.14.0.
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<blockquote>
<h2>4.14.0</h2>
<p>This release adds several new features, including experimental
support for inline typed dictionaries (<a
href="https://peps.python.org/pep-0764/">PEP 764</a>) and sentinels (<a
href="https://peps.python.org/pep-0661/">PEP 661</a>), and support for
changes in Python 3.14. In addition, Python 3.8 is no longer
supported.</p>
<p>Changes since 4.14.0rc1:</p>
<ul>
<li>Remove <code>__or__</code> and <code>__ror__</code> methods from
<code>typing_extensions.Sentinel</code>
on Python versions <3.10. PEP 604 was introduced in Python 3.10, and
<code>typing_extensions</code> does not generally attempt to backport
PEP-604 methods
to prior versions.</li>
<li>Further update <code>typing_extensions.evaluate_forward_ref</code>
with changes in Python 3.14.</li>
</ul>
<p>Changes included in 4.14.0rc1:</p>
<ul>
<li>Drop support for Python 3.8 (including PyPy-3.8). Patch by <a
href="https://github.com/Viicos">Victorien Plot</a>.</li>
<li>Do not attempt to re-export names that have been removed from
<code>typing</code>,
anticipating the removal of <code>typing.no_type_check_decorator</code>
in Python 3.15.
Patch by Jelle Zijlstra.</li>
<li>Update <code>typing_extensions.Format</code>,
<code>typing_extensions.evaluate_forward_ref</code>, and
<code>typing_extensions.TypedDict</code> to align
with changes in Python 3.14. Patches by Jelle Zijlstra.</li>
<li>Fix tests for Python 3.14 and 3.15. Patches by Jelle Zijlstra.</li>
</ul>
<p>New features:</p>
<ul>
<li>Add support for inline typed dictionaries (<a
href="https://peps.python.org/pep-0764/">PEP 764</a>).
Patch by <a href="https://github.com/Viicos">Victorien Plot</a>.</li>
<li>Add <code>typing_extensions.Reader</code> and
<code>typing_extensions.Writer</code>. Patch by
Sebastian Rittau.</li>
<li>Add support for sentinels (<a
href="https://peps.python.org/pep-0661/">PEP 661</a>). Patch by
<a href="https://github.com/Viicos">Victorien Plot</a>.</li>
</ul>
<h2>4.14.0rc1</h2>
<p>Major changes:</p>
<ul>
<li>Drop support for Python 3.8 (including PyPy-3.8). Patch by <a
href="https://github.com/Viicos">Victorien Plot</a>.</li>
<li>Do not attempt to re-export names that have been removed from
<code>typing</code>,
anticipating the removal of <code>typing.no_type_check_decorator</code>
in Python 3.15.
Patch by Jelle Zijlstra.</li>
<li>Update <code>typing_extensions.Format</code>,
<code>typing_extensions.evaluate_forward_ref</code>, and
<code>typing_extensions.TypedDict</code> to align
with changes in Python 3.14. Patches by Jelle Zijlstra.</li>
<li>Fix tests for Python 3.14 and 3.15. Patches by Jelle Zijlstra.</li>
</ul>
<p>New features:</p>
<ul>
<li>Add support for inline typed dictionaries (<a
href="https://peps.python.org/pep-0764/">PEP 764</a>).
Patch by <a href="https://github.com/Viicos">Victorien Plot</a>.</li>
<li>Add <code>typing_extensions.Reader</code> and
<code>typing_extensions.Writer</code>. Patch by
Sebastian Rittau.</li>
<li>Add support for sentinels (<a
href="https://peps.python.org/pep-0661/">PEP 661</a>). Patch by</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
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<details>
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<p><em>Sourced from <a
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<blockquote>
<h1>Release 4.14.0 (June 2, 2025)</h1>
<p>Changes since 4.14.0rc1:</p>
<ul>
<li>Remove <code>__or__</code> and <code>__ror__</code> methods from
<code>typing_extensions.Sentinel</code>
on Python versions <3.10. PEP 604 was introduced in Python 3.10, and
<code>typing_extensions</code> does not generally attempt to backport
PEP-604 methods
to prior versions.</li>
<li>Further update <code>typing_extensions.evaluate_forward_ref</code>
with changes in Python 3.14.</li>
</ul>
<h1>Release 4.14.0rc1 (May 24, 2025)</h1>
<ul>
<li>Drop support for Python 3.8 (including PyPy-3.8). Patch by <a
href="https://github.com/Viicos">Victorien Plot</a>.</li>
<li>Do not attempt to re-export names that have been removed from
<code>typing</code>,
anticipating the removal of <code>typing.no_type_check_decorator</code>
in Python 3.15.
Patch by Jelle Zijlstra.</li>
<li>Update <code>typing_extensions.Format</code>,
<code>typing_extensions.evaluate_forward_ref</code>, and
<code>typing_extensions.TypedDict</code> to align
with changes in Python 3.14. Patches by Jelle Zijlstra.</li>
<li>Fix tests for Python 3.14 and 3.15. Patches by Jelle Zijlstra.</li>
</ul>
<p>New features:</p>
<ul>
<li>Add support for inline typed dictionaries (<a
href="https://peps.python.org/pep-0764/">PEP 764</a>).
Patch by <a href="https://github.com/Viicos">Victorien Plot</a>.</li>
<li>Add <code>typing_extensions.Reader</code> and
<code>typing_extensions.Writer</code>. Patch by
Sebastian Rittau.</li>
<li>Add support for sentinels (<a
href="https://peps.python.org/pep-0661/">PEP 661</a>). Patch by
<a href="https://github.com/Viicos">Victorien Plot</a>.</li>
</ul>
<h1>Release 4.13.2 (April 10, 2025)</h1>
<ul>
<li>Fix <code>TypeError</code> when taking the union of
<code>typing_extensions.TypeAliasType</code> and a
<code>typing.TypeAliasType</code> on Python 3.12 and 3.13.
Patch by <a href="https://github.com/jorenham">Joren
Hammudoglu</a>.</li>
<li>Backport from CPython PR <a
href="https://redirect.github.com/python/cpython/pull/132160">#132160</a>
to avoid having user arguments shadowed in generated
<code>__new__</code> by
<code>@typing_extensions.deprecated</code>.
Patch by <a href="https://github.com/Viicos">Victorien Plot</a>.</li>
</ul>
<h1>Release 4.13.1 (April 3, 2025)</h1>
<p>Bugfixes:</p>
<ul>
<li>Fix regression in 4.13.0 on Python 3.10.2 causing a
<code>TypeError</code> when using <code>Concatenate</code>.
Patch by <a href="https://github.com/Daraan">Daraan</a>.</li>
<li>Fix <code>TypeError</code> when using
<code>evaluate_forward_ref</code> on Python 3.10.1-2 and 3.9.8-10.
Patch by <a href="https://github.com/Daraan">Daraan</a>.</li>
</ul>
<h1>Release 4.13.0 (March 25, 2025)</h1>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
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<li><a
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<li><a
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<li><a
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<blockquote>
<h2>Version 1.6.0</h2>
<ul>
<li>Fix issue when <a
href="https://datatracker.ietf.org/doc/html/rfc9207.html">RFC9207</a> is
enabled and the authorization endpoint response is not a redirection.
[pull request <a
href="https://redirect.github.com/authlib/authlib/issues/733">#733</a>](<a
href="https://redirect.github.com/authlib/authlib/pull/733">authlib/authlib#733</a>)</li>
<li>Fix missing state parameter in authorization error responses. [issue
<a
href="https://redirect.github.com/authlib/authlib/issues/525">#525</a>](<a
href="https://redirect.github.com/authlib/authlib/issues/525">authlib/authlib#525</a>)</li>
<li>Support for acr and amr claims in id_token. [issue <a
href="https://redirect.github.com/authlib/authlib/issues/734">#734</a>](<a
href="https://redirect.github.com/authlib/authlib/issues/734">authlib/authlib#734</a>)</li>
<li>Support for the none JWS algorithm.</li>
<li>Fix response_types strict order during dynamic client registration.
[issue <a
href="https://redirect.github.com/authlib/authlib/issues/760">#760</a>](<a
href="https://redirect.github.com/authlib/authlib/issues/760">authlib/authlib#760</a>)</li>
<li>Implement <a
href="https://datatracker.ietf.org/doc/html/rfc9101.html">RFC9101 The
OAuth 2.0 Authorization Framework: JWT-Secured Authorization Request
(JAR)</a>. [issue <a
href="https://redirect.github.com/authlib/authlib/issues/723">#723</a>](<a
href="https://redirect.github.com/authlib/authlib/issues/723">authlib/authlib#723</a>)</li>
<li>OIDC <a
href="https://docs.authlib.org/en/latest/specs/oidc.html#authlib.oidc.core.UserInfoEndpoint">UserInfo
endpoint</a> support. [issue <a
href="https://redirect.github.com/authlib/authlib/issues/459">#459</a>](<a
href="https://redirect.github.com/authlib/authlib/issues/459">authlib/authlib#459</a>)</li>
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<blockquote>
<h2>Version 1.6.0</h2>
<p><strong>Released on May 22, 2025</strong></p>
<ul>
<li>Fix issue when :rfc:<code>RFC9207 <9207></code> is enabled and
the authorization endpoint response is not a redirection.
:pr:<code>733</code></li>
<li>Fix missing <code>state</code> parameter in authorization error
responses. :issue:<code>525</code></li>
<li>Support for <code>acr</code> and <code>amr</code> claims in
<code>id_token</code>. :issue:<code>734</code></li>
<li>Support for the <code>none</code> JWS algorithm.</li>
<li>Fix <code>response_types</code> strict order during dynamic client
registration. :issue:<code>760</code></li>
<li>Implement :rfc:<code>RFC9101 The OAuth 2.0 Authorization Framework:
JWT-Secured Authorization Request (JAR) <9101></code>.
:issue:<code>723</code></li>
<li>OIDC :class:<code>UserInfo endpoint
<authlib.oidc.core.userinfo.UserInfoEndpoint></code> support.
:issue:<code>459</code></li>
</ul>
</blockquote>
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<li><a
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chore: release version 1.6.0</li>
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Merge pull request <a
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<li>Removed leftover compatibility bits in the C backend.</li>
<li>Fixed potential issue with <code>yajl</code> and <code>yajl2</code>
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<!-- raw HTML omitted -->
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<li>Add cache-workspace-crates feature by <a
href="https://github.com/jbransen"><code>@jbransen</code></a> in <a
href="https://redirect.github.com/Swatinem/rust-cache/pull/246">Swatinem/rust-cache#246</a></li>
<li>Feat: support warpbuild cache provider by <a
href="https://github.com/stegaBOB"><code>@stegaBOB</code></a> in <a
href="https://redirect.github.com/Swatinem/rust-cache/pull/247">Swatinem/rust-cache#247</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/jbransen"><code>@jbransen</code></a>
made their first contribution in <a
href="https://redirect.github.com/Swatinem/rust-cache/pull/246">Swatinem/rust-cache#246</a></li>
<li><a href="https://github.com/stegaBOB"><code>@stegaBOB</code></a>
made their first contribution in <a
href="https://redirect.github.com/Swatinem/rust-cache/pull/247">Swatinem/rust-cache#247</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/Swatinem/rust-cache/compare/v2.7.8...v2.8.0">https://github.com/Swatinem/rust-cache/compare/v2.7.8...v2.8.0</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md">Swatinem/rust-cache's
changelog</a>.</em></p>
<blockquote>
<h1>Changelog</h1>
<h2>2.8.0</h2>
<ul>
<li>Add support for <code>warpbuild</code> cache provider</li>
<li>Add new <code>cache-workspace-crates</code> feature</li>
</ul>
<h2>2.7.8</h2>
<ul>
<li>Include CPU arch in the cache key</li>
</ul>
<h2>2.7.7</h2>
<ul>
<li>Also cache <code>cargo install</code> metadata</li>
</ul>
<h2>2.7.6</h2>
<ul>
<li>Allow opting out of caching $CARGO_HOME/bin</li>
<li>Add runner OS in cache key</li>
<li>Adds an option to do lookup-only of the cache</li>
</ul>
<h2>2.7.5</h2>
<ul>
<li>Support Cargo.lock format cargo-lock v4</li>
<li>Only run macOsWorkaround() on macOS</li>
</ul>
<h2>2.7.3</h2>
<ul>
<li>Work around upstream problem that causes cache saving to hang for
minutes.</li>
</ul>
<h2>2.7.2</h2>
<ul>
<li>Only key by <code>Cargo.toml</code> and <code>Cargo.lock</code>
files of workspace members.</li>
</ul>
<h2>2.7.1</h2>
<ul>
<li>Update toml parser to fix parsing errors.</li>
</ul>
<h2>2.7.0</h2>
<ul>
<li>Properly cache <code>trybuild</code> tests.</li>
</ul>
<h2>2.6.2</h2>
<ul>
<li>Fix <code>toml</code> parsing.</li>
</ul>
<h2>2.6.1</h2>
<ul>
<li>Fix hash contributions of
<code>Cargo.lock</code>/<code>Cargo.toml</code> files.</li>
</ul>
<!-- raw HTML omitted -->
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Bumps [treq](https://github.com/twisted/treq) from 24.9.1 to 25.5.0.
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Bumps
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Request to raise the defensive version cap for poetry-core from 1.9.1 to
2.1.3.
My understanding is that the major version bump of poetry signals the
transition to standardized pyproject.toml metadata, but does not affect
backwards compatibility.
This is a subset of the changes in #18432Fixes#18200
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [x] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct (run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
Fixes https://github.com/element-hq/synapse/issues/18614
This upgrade CIBW to 3.0, which now builds using the manylinux_2_28
image, as the previous image is EOL and not supported by some of our
dependencies anymore.
This also updates the job to use the `ubuntu-24.04` base image instead
of `ubuntu-22.04`
This is to handle the case of deleting lots of "bot" devices at once.
Reviewable commit-by-commit
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
<ol>
<li>
Reorder columns in `event_txn_id_device_id_txn_id` index \
This now satisfies the foreign key on `(user_id, device_id)` making
reverse lookups, as needed for device deletions, more efficient.
This improves device deletion performance by on the order of 8 to 10×
on matrix.org.
</li>
</ol>
Rationale:
## On the `event_txn_id_device_id` table:
We currently have this index:
```sql
-- This ensures that there is only one mapping per (room_id, user_id, device_id, txn_id) tuple.
CREATE UNIQUE INDEX IF NOT EXISTS event_txn_id_device_id_txn_id
ON event_txn_id_device_id(room_id, user_id, device_id, txn_id);
```
The main way we use this table is
```python
return await self.db_pool.simple_select_one_onecol(
table="event_txn_id_device_id",
keyvalues={
"room_id": room_id,
"user_id": user_id,
"device_id": device_id,
"txn_id": txn_id,
},
retcol="event_id",
allow_none=True,
desc="get_event_id_from_transaction_id_and_device_id",
)
```
But this foreign key is relatively unsupported, making deletions in
the devices table inefficient (full index scan on the above index):
```sql
FOREIGN KEY (user_id, device_id)
REFERENCES devices (user_id, device_id) ON DELETE CASCADE
```
I propose re-ordering the columns in that index to: `(user_id,
device_id, room_id, txn_id)` (by replacing it).
That way the foreign key back-check can rely on the prefix of this
index, but it's still useful for the original purpose it was made for.
It doesn't take any extra disk space and does not harm write performance
(because the same amount of writing work needs to be performed).
---------
Signed-off-by: Olivier 'reivilibre <oliverw@matrix.org>
It came up that this was somewhat confusing and an example might help.
So here's an example :)
---------
Signed-off-by: Olivier 'reivilibre <oliverw@matrix.org>
When a request gets ratelimited we (optionally) wait ~500ms before
returning to mitigate clients that like to tightloop on request
failures. However, this is currently implemented by pausing request
processing when we check for ratelimits, which might be deep within
request processing, and e.g. while locks are held. Instead, let's hoist
the pause to the very top of the HTTP handler.
Hopefully, this mitigates the issue where a user sending lots of events
to a single room can see their requests time out due to the combination
of the linearizer and the pausing of the request. Instead, they should
see the requests 429 after ~500ms.
The first commit is a refactor to pass the `Clock` to `AsyncResource`,
the second commit is the behavioural change.
The background updates are being registered on an object that is for the
_state_ database, but the actual tables are on the _main_ database. This
just moves them to a different store that can access the right stuff.
I noticed this when trying to do a full schema dump cause I was curious
what has changed since the last one.
Fixes#16054
### Pull Request Checklist
<!-- Please read
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* [x] Pull request includes a [changelog
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The entry should:
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"Fixed a bug that prevented receiving messages from other servers."
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[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
We do this by shoving it into Rust. We believe our python http client is
a bit slow.
Also bumps minimum rust version to 1.81.0, released last September (over
six months ago)
To allow for async Rust, includes some adapters between Tokio in Rust
and the Twisted reactor in Python.
This was correctly handled for the "fallback" case where the background
updates hadn't finished
---------
Co-authored-by: Eric Eastwood <erice@element.io>
This can be reviewed commit by commit.
This enables the `flake8-logging` and `flake8-logging-format` rules in
Ruff, as well as logging exception stack traces in a few places where it
makes sense
- https://docs.astral.sh/ruff/rules/#flake8-logging-log
- https://docs.astral.sh/ruff/rules/#flake8-logging-format-g
### Linting to avoid pre-formatting log messages
See [`adamchainz/flake8-logging` -> *LOG011 avoid pre-formatting log
messages*](152db2f167/README.rst (log011-avoid-pre-formatting-log-messages))
Practically, this means prefer placeholders (`%s`) over f-strings for
logging.
This is because placeholders are passed as args to loggers, so they can
do special handling of them.
For example, Sentry will record the args separately in their logging
integration:
c15b390dfe/sentry_sdk/integrations/logging.py (L280-L284)
One theoretical small perf benefit is that log levels that aren't
enabled won't get formatted, so it doesn't unnecessarily create
formatted strings
This small PR migrates from `unittest.assertEquals` to
`unittest.assertEqual` which is deprecated from Python2.7:
```python
DeprecationWarning: Please use assertEqual instead.
```
Signed-off-by: Emmanuel Ferdman <emmanuelferdman@gmail.com>
Fixes https://github.com/element-hq/synapse/issues/14240
This scratches an itch that i've had for years. We regularly run into
the issue where (especially in development) appservices can go down for
a period and them come back up. The ping endpoint was introduced some
time ago which means Synapse can determine if an AS is up more or less
immediately, so we might as well use that to schedule transaction
redelivery.
I believe transaction scheduling logic is largely implementation
specific, so we should be in the clear to do this without any spec
changes.
(Applies to the Grafana graphs)
As discovered by @devonh, we use `synapse_storage_events_persisted_events_total` (which tracks *all* persisted events) for the "Events" rate in the "Event Send Time Quantiles" graph. This is pretty misleading as I would expect it to be the rate of events being sent given the graph title, "Event Send Time Quantiles".
Since the event persistence queues are shared for local and remote events from federation and will block local events being sent, I think it does still make sense to have the event persist rate. I've updated the graph to include the rate of "Local events being persisted" and the rate of "All events being persisted". I think this properly disambiguates and clarifies what the graph is trying to show.
Clean up `received_transactions` older than 1 day, rather than 30 days \
Reduces disk waste by homeservers
Closes#6437
---------
Signed-off-by: Olivier 'reivilibre <oliverw@matrix.org>
This PR adds an additional `room_config` argument to the
`user_may_create_room` spam checker module API callback.
It will continue to work with implementations of `user_may_create_room`
that do not expect the additional parameter.
A side affect is that on a room upgrade the spam checker callback is
called *after* doing some work to calculate the state rather than
before. However, I hope that this is acceptable given the relative
infrequency of room upgrades.
Bumps [lxml](https://github.com/lxml/lxml) from 5.3.0 to 5.4.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/lxml/lxml/releases">lxml's
releases</a>.</em></p>
<blockquote>
<h2>lxml-5.4.0</h2>
<h1>5.4.0 (2025-04-22)</h1>
<h2>Bugs fixed</h2>
<ul>
<li>LP#2107279: Binary wheels use libxml2 2.13.8 and libxslt 1.1.43 to
resolve several CVEs.
(Binary wheels for Windows continue to use a patched libxml2 2.11.9 and
libxslt 1.1.39.)
Issue found by Anatoly Katyushin, see <a
href="https://bugs.launchpad.net/lxml/+bug/2107279">https://bugs.launchpad.net/lxml/+bug/2107279</a></li>
</ul>
<h2>lxml-5.3.2</h2>
<p>No release notes provided.</p>
<h2>lxml-5.3.1</h2>
<p>No release notes provided.</p>
</blockquote>
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<blockquote>
<h1>5.4.0 (2025-04-22)</h1>
<h2>Bugs fixed</h2>
<ul>
<li>LP#2107279: Binary wheels use libxml2 2.13.8 and libxslt 1.1.43 to
resolve several CVEs.
(Binary wheels for Windows continue to use a patched libxml2 2.11.9 and
libxslt 1.1.39.)
Issue found by Anatoly Katyushin.</li>
</ul>
<h1>5.3.2 (2025-04-05)</h1>
<p>This release resolves CVE-2025-24928 as described in
<a
href="https://gitlab.gnome.org/GNOME/libxml2/-/issues/847">https://gitlab.gnome.org/GNOME/libxml2/-/issues/847</a></p>
<h2>Bugs fixed</h2>
<ul>
<li>
<p>Binary wheels use libxml2 2.12.10 and libxslt 1.1.42.</p>
</li>
<li>
<p>Binary wheels for Windows use a patched libxml2 2.11.9 and libxslt
1.1.39.</p>
</li>
</ul>
<h1>5.3.1 (2025-02-09)</h1>
<h2>Bugs fixed</h2>
<ul>
<li>
<p>GH#440: Some tests were adapted for libxml2 2.14.0.
Patch by Nick Wellnhofer.</p>
</li>
<li>
<p>LP#2097175: <code>DTD(external_id="…")</code> erroneously
required a byte string as ID value.</p>
</li>
<li>
<p>GH#450: <code>iterparse()</code> internally triggered the
`DeprecationWarning`` added in lxml 5.3.0 when parsing HTML.</p>
</li>
</ul>
<h2>Other changes</h2>
<ul>
<li>GH#442: Binary wheels for macOS no longer use the linker flag
<code>-flat_namespace</code>.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="6e76d57af8"><code>6e76d57</code></a>
Build: Exclude slow Py3.9 wheel builds for s390/ppc and Py3.7 for
ARM64.</li>
<li><a
href="ee10c02bb7"><code>ee10c02</code></a>
Prepare release of lxml 5.4.0.</li>
<li><a
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Prepare release of lxml 5.3.3.</li>
<li><a
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Update changelog.</li>
<li><a
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Build: Use libxslt 1.1.43 instead of 1.1.42 to resolve some CVEs.</li>
<li><a
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Build: Use libxml2 2.13.8 instead of 2.12.x to resolve some CVEs.</li>
<li><a
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Remove appveyor usage.</li>
<li><a
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CI: Allow Py3.14 jobs to fail.</li>
<li><a
href="93ad02aad6"><code>93ad02a</code></a>
docs: Add a note about C compiler installation to error message (<a
href="https://redirect.github.com/lxml/lxml/issues/454">GH-454</a>)</li>
<li><a
href="16878dac70"><code>16878da</code></a>
Add some hints to the documentation on how to build lxml (<a
href="https://redirect.github.com/lxml/lxml/issues/453">GH-453</a>)</li>
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Bumps
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This PR addresses a test failure for
`tests.handlers.test_worker_lock.WorkerLockTestCase.test_lock_contention`
which consistently times out on the RISC-V (specifically `riscv64`)
architecture.
The test simulates high lock contention and has a default timeout of 5
seconds, which seems sufficient for architectures like x86_64 but proves
too short for current RISC-V hardware/environment performance
characteristics, leading to spurious `tests.utils.TestTimeout` failures.
This fix introduces architecture detection using `platform.machine()`.
If a RISC-V architecture is detected:
* The timeout for this specific test is increased (e.g., to 15 seconds
).
The original, stricter timeout (5 seconds) and lock count (500) are
maintained for all other architectures to avoid masking potential
performance regressions elsewhere.
This change has been tested locally on RISC-V, where the test now passes
reliably, and on x86_64, where it continues to pass with the original
constraints.
---
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [X] Pull request is based on the develop branch *(Assuming you based
it correctly)*
* [X] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
*(See below)*
* [X] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct (run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
*(Please run linters locally)*
A race-condition may render concurrent retry loops.
Use an actual `Lock` for guarding single access of device resyncing
retrying.
### Pull Request Checklist
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
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* [x] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct
(run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
Synapse previously did not correctly cap the max depth of an event to
the max canonical json int. This can cause ordering issues for any
events that were sent locally at the time.
This background update goes and correctly caps the topological ordering
to the new `MAX_DEPTH`.
c.f. GHSA-v56r-hwv5-mxg6
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Follow on from #18375. This prevents blocking startup on creating the
index, which can take a while
---------
Co-authored-by: Devon Hudson <devon.dmytro@gmail.com>
Spawning from using this code elsewhere and not knowing why it's there.
Based on this article and @reivilibre's experience mentioning
`PYTHONUNBUFFERED=1`,
> #### programming languages where the default “print” statement buffers
>
> Also, here are a few programming language where the default print
statement will buffer output when writing to a pipe, and some ways to
disable buffering if you want:
>
> - Python (disable with `python -u`, or `PYTHONUNBUFFERED=1`, or
`sys.stdout.reconfigure(line_buffering=False)`, or `print(x,
flush=True)`)
>
> _--
https://jvns.ca/blog/2024/11/29/why-pipes-get-stuck-buffering/#programming-languages-where-the-default-print-statement-buffers_
Fix a couple type annotations in the `RootConfig`/`Config`. Discovered
while cribbing this code for another project.
It's really sucks that `mypy` type checking doesn't catch this. I assume
this is because we also have a `synapse/config/_base.pyi` that overrides
all of this. Still unclear to me why the `Iterable[str]` vs
`StrSequence` issue wasn't caught as that's what `ConfigError` expects.
Spawning from
https://github.com/element-hq/synapse/pull/18375#discussion_r2071768635,
This updates some sliding sync tests to use a higher level function in
order to move test coverage to cover both fallback & new tables.
Important when https://github.com/element-hq/synapse/pull/18375 is
merged.
In other words, adjust tests to target `compute_interested_room(...)`
(relevant to both new and fallback path) instead of the lower level
`get_room_membership_for_user_at_to_token(...)` that only applies to the
fallback path.
### Dev notes
```
SYNAPSE_TEST_LOG_LEVEL=INFO poetry run trial tests.handlers.test_sliding_sync.ComputeInterestedRoomsTestCase_new
```
```
SYNAPSE_TEST_LOG_LEVEL=INFO poetry run trial tests.rest.client.sliding_sync
```
```
SYNAPSE_POSTGRES=1 SYNAPSE_POSTGRES_USER=postgres SYNAPSE_TEST_LOG_LEVEL=INFO poetry run trial tests.handlers.test_sliding_sync.ComputeInterestedRoomsTestCase_new.test_display_name_changes_leave_after_token_range
```
### Pull Request Checklist
<!-- Please read
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before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
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The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
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- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
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@github_username." or "Contributed by [Your Name]." to the end of the
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* [x] [Code
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correct
(run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
---------
Co-authored-by: Eric Eastwood <erice@element.io>
Since MAS 0.13.0, the provisionning of devices and users is done
synchronously and reliably enough that we don't need to auto-provision
on the Synapse side anymore.
It's important to remove this behaviour if we want to start caching
token introspection results.
- Use a `uv:python` image for the first build layer, to reduce the
number of intermediate images required, as the
main Dockerfile uses that image already
- Use a cache mount for `apt` commands
- Skip a pointless install of `redis-server`, since the redis Docker
image is copied from instead
- Move some RUN steps out of the final image layer & into the build
layer
Depends on https://github.com/element-hq/synapse/pull/18275
### Pull Request Checklist
<!-- Please read
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* [x] Pull request includes a [changelog
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The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
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(run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
See #18260
This is useful for anyone who tried Synapse v1.129.0rc1 out
Fixes#18349
To test:
- checkout v1.129.0rc1 and start
- check that the events table has the trigger (`\dS events` with
postgres)
- checkout this PR and start
- check that the events table doesn't have the trigger anymore
These are some improvements to `on_new_event` which is a hot path. Not
sure how much this will save, but maybe like ~5%?
Possibly easier to review commit-by-commit
Bumps [types-psycopg2](https://github.com/python/typeshed) from
2.9.21.20250121 to 2.9.21.20250318.
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We can't move PUT/DELETE as they do need to happen on main process (due
to notification of device changes).
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Reverts element-hq/synapse#18260
It is causing a failure when building release debs for `debian:bullseye`
with the following error:
```
sqlite3.OperationalError: near "RETURNING": syntax error
```
Follow on from #18068
Currently the subquery in `UPDATE` is pointless, as it will still just
update all `room_membership` rows. Instead, we should look at the
current membership event ID (which is easily retrieved from
`local_current_membership`). We also add a `AND NOT participant` to noop
the `UPDATE` when the `participant` flag is already set.
cc @H-Shay
# Add passthrough_authorization_parameters support to OIDC configuration
This PR adds `the passthrough_authorization_parameters` option to OIDC
configuration, allowing specific query parameters (like `login_hint`) to
be passed from the redirect endpoint to the authorization grant URL.
This enables clients to provide additional context to identity providers
during authentication flows.
# Pull Request Checklist
<!-- Please read
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before submitting your pull request -->
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---------
Co-authored-by: Quentin Gliech <quenting@element.io>
Bumps
[phonenumbers](https://github.com/daviddrysdale/python-phonenumbers)
from 8.13.50 to 9.0.2.
<details>
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Generated files for metadata</li>
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Prep for 9.0.1 release</li>
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Generated files for metadata</li>
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Merge metadata changes from upstream 9.0.1</li>
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Prep for 9.0.0 release</li>
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Generated files for metadata</li>
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Merge metadata changes from upstream 9.0.0</li>
<li><a
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Prep for 8.13.55 release</li>
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Bumps [authlib](https://github.com/lepture/authlib) from 1.4.1 to 1.5.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/lepture/authlib/releases">authlib's
releases</a>.</em></p>
<blockquote>
<h2>Version 1.5.1</h2>
<p>Released on Feb 28, 2025</p>
<ul>
<li>Fix RFC9207 iss parameter. <a
href="https://redirect.github.com/lepture/authlib/issues/715">#715</a></li>
</ul>
<h2>Version 1.5.0</h2>
<ul>
<li>Fix token introspection auth method for clients. <a
href="https://redirect.github.com/lepture/authlib/pull/662">#662</a></li>
<li>Optional typ claim in JWT tokens. <a
href="https://redirect.github.com/lepture/authlib/pull/696">#696</a></li>
<li>JWT validation leeway. <a
href="https://redirect.github.com/lepture/authlib/pull/689">#689</a></li>
<li>Implement server-side <a
href="https://datatracker.ietf.org/doc/html/rfc9207.html">RFC9207</a>.
<a
href="https://redirect.github.com/lepture/authlib/issues/700">#700</a>
<a
href="https://redirect.github.com/lepture/authlib/pull/701">#701</a></li>
<li>generate_id_token can take a kid parameter. <a
href="https://redirect.github.com/lepture/authlib/pull/702">#702</a></li>
<li>More detailed InvalidClientError. <a
href="https://redirect.github.com/lepture/authlib/pull/706">#706</a></li>
<li>OpenID Connect Dynamic Client Registration implementation. <a
href="https://redirect.github.com/lepture/authlib/pull/707">#707</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/lepture/authlib/blob/main/docs/changelog.rst">authlib's
changelog</a>.</em></p>
<blockquote>
<h2>Version 1.5.1</h2>
<p><strong>Released on Feb 28, 2025</strong></p>
<ul>
<li>Fix RFC9207 <code>iss</code> parameter. :pr:<code>715</code></li>
</ul>
<h2>Version 1.5.0</h2>
<p><strong>Released on Feb 25, 2025</strong></p>
<ul>
<li>Fix token introspection auth method for clients.
:pr:<code>662</code></li>
<li>Optional <code>typ</code> claim in JWT tokens.
:pr:<code>696</code></li>
<li>JWT validation leeway. :pr:<code>689</code></li>
<li>Implement server-side :rfc:<code>RFC9207 <9207></code>.
:issue:<code>700</code> :pr:<code>701</code></li>
<li><code>generate_id_token</code> can take a <code>kid</code>
parameter. :pr:<code>702</code></li>
<li>More detailed <code>InvalidClientError</code>.
:pr:<code>706</code></li>
<li>OpenID Connect Dynamic Client Registration implementation.
:pr:<code>707</code></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="4eafdc2189"><code>4eafdc2</code></a>
chore: release 1.5.1</li>
<li><a
href="0e7e344344"><code>0e7e344</code></a>
Merge pull request <a
href="https://redirect.github.com/lepture/authlib/issues/715">#715</a>
from azmeuk/rfc9207</li>
<li><a
href="b57932bc7e"><code>b57932b</code></a>
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- Explicitly use `mawk` instead of `awk`, since an extension of the
former is used
- Use `fflush` to reduce interleaving the output of different processes
& streams
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`mawk`
### Pull Request Checklist
<!-- Please read
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before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
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---------
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Evolution of
cd78f3d2ee
This cache does not have any explicit invalidation, but this is deemed
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We may still prefer to add it eventually, letting us bump up the
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to balance the fact that we have no explicit invalidation.
This cache makes several things more efficient:
- reduces number of outbound requests from Synapse, reducing CPU
utilisation + network I/O
- reduces request handling time in Synapse, which improves
client-visible latency
- reduces load on MAS and its database
---
Other than that, this PR also introduces support for `expires_in`
(seconds) on the introspection response.
This lets the cached responses expire at the proper expiry time of the
access token, whilst avoiding clock skew issues.
Corresponds to:
https://github.com/element-hq/matrix-authentication-service/pull/4241
---------
Signed-off-by: Olivier 'reivilibre <oliverw@matrix.org>
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Bumps [pyo3-log](https://github.com/vorner/pyo3-log) from 0.12.1 to
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Bumps [actions/cache](https://github.com/actions/cache) from 4.2.2 to
4.2.3.
<details>
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<blockquote>
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<h2>What's Changed</h2>
<ul>
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<p><strong>Full Changelog</strong>: <a
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<h3>4.2.3</h3>
<ul>
<li>Bump <code>@actions/cache</code> to v4.0.3 (obfuscates SAS token in
debug logs for cache entries)</li>
</ul>
<h3>4.2.2</h3>
<ul>
<li>Bump <code>@actions/cache</code> to v4.0.2</li>
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<h3>4.2.1</h3>
<ul>
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</ul>
<h3>4.2.0</h3>
<p>TLDR; The cache backend service has been rewritten from the ground up
for improved performance and reliability. <a
href="https://github.com/actions/cache">actions/cache</a> now integrates
with the new cache service (v2) APIs.</p>
<p>The new service will gradually roll out as of <strong>February 1st,
2025</strong>. The legacy service will also be sunset on the same date.
Changes in these release are <strong>fully backward
compatible</strong>.</p>
<p><strong>We are deprecating some versions of this action</strong>. We
recommend upgrading to version <code>v4</code> or <code>v3</code> as
soon as possible before <strong>February 1st, 2025.</strong> (Upgrade
instructions below).</p>
<p>If you are using pinned SHAs, please use the SHAs of versions
<code>v4.2.0</code> or <code>v3.4.0</code></p>
<p>If you do not upgrade, all workflow runs using any of the deprecated
<a href="https://github.com/actions/cache">actions/cache</a> will
fail.</p>
<p>Upgrading to the recommended versions will not break your
workflows.</p>
<h3>4.1.2</h3>
<ul>
<li>Add GitHub Enterprise Cloud instances hostname filters to inform API
endpoint choices - <a
href="https://redirect.github.com/actions/cache/pull/1474">#1474</a></li>
<li>Security fix: Bump braces from 3.0.2 to 3.0.3 - <a
href="https://redirect.github.com/actions/cache/pull/1475">#1475</a></li>
</ul>
<h3>4.1.1</h3>
<ul>
<li>Restore original behavior of <code>cache-hit</code> output - <a
href="https://redirect.github.com/actions/cache/pull/1467">#1467</a></li>
</ul>
<h3>4.1.0</h3>
<ul>
<li>Ensure <code>cache-hit</code> output is set when a cache is missed -
<a
href="https://redirect.github.com/actions/cache/pull/1404">#1404</a></li>
<li>Deprecate <code>save-always</code> input - <a
href="https://redirect.github.com/actions/cache/pull/1452">#1452</a></li>
</ul>
<h3>4.0.2</h3>
<ul>
<li>Fixed restore <code>fail-on-cache-miss</code> not working.</li>
</ul>
<h3>4.0.1</h3>
<ul>
<li>Updated <code>isGhes</code> check</li>
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This PR makes a few radical changes to media. This now stores the SHA256
hash of each file stored in the database (excluding thumbnails, more on
that later). If a set of media is quarantined, any additional uploads of
the same file contents or any other files with the same hash will be
quarantined at the same time.
Currently this does NOT:
- De-duplicate media, although a future extension could be to do that.
- Run any background jobs to identify the hashes of older files. This
could also be a future extension, though the value of doing so is
limited to combat the abuse of recent media.
- Hash thumbnails. It's assumed that thumbnails are parented to some
form of media, so you'd likely be wanting to quarantine the media and
the thumbnail at the same time.
This background DB delta removes the old state group deletion background
update from the `background_updates` table if it exists.
The `delete_unreferenced_state_groups_bg_update` update should only
exist in that table if a homeserver ran v1.126.0rc1/v1.126.0rc2, and
rolled back or forward to any other version of Synapse before letting
the update finish.
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [X] Pull request is based on the develop branch
* [X] Pull request includes a [changelog
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[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
This PR fixes#18154 to avoid de-deltaing state groups which resulted in
DB size temporarily increasing until the DB was `VACUUM`'ed. As a
result, less state groups will get deleted now.
It also attempts to improve performance by not duplicating work when
processing state groups it has already processed in previous iterations.
### Pull Request Checklist
<!-- Please read
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* [X] [Code
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correct
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[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
---------
Co-authored-by: Erik Johnston <erikj@element.io>
After the [recent supply chain attack](https://www.wiz.io/blog/new-github-action-supply-chain-attack-reviewdog-action-setup)
in `tj-actions/changed-files` and actions based on it, it's become clear
that relying on git tags to pin our dependencies is not enough (as tags
can simply be replaced). Therefore we need to switch to hashes.
Dependabot should continue to update these dependencies for us.
Best reviewed commit-by-commit. Though if CI passes, we're *probably*
fine.
To address a performance problem due to the foreign key on the same
column.
cc @erikjohnston
---------
Signed-off-by: Olivier 'reivilibre <oliverw@matrix.org>
I got rid of the `SYNAPSE_USE_FROZEN_DICTS` environment variable because
it will be overridden by the Synapse worker apps anyway and if we want
to support `SYNAPSE_USE_FROZEN_DICTS`, it should be in
`synapse/config/server.py`. It's also not documented so I'm assuming no
one is using it anyway.
Spawning from looking at the frozen dict stuff during the review of
https://github.com/element-hq/synapse/pull/18103#discussion_r1935876168
We do a few things in this PR to better support caching:
1. Change `Cache-Control` header to allow intermediary proxies to cache
media *only* if they revalidate on every request. This means that the
intermediary cache will still send the request to Synapse but with a
`If-None-Match` header, at which point Synapse can check auth and
respond with a 304 and empty content.
2. Add `ETag` response header to all media responses. We hardcode this
to `1` since all media is immutable (beyond being deleted).
3. Check for `If-None-Match` header (after checking for auth), and if it
matches then respond with a 304 and empty body.
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.96 to 1.0.97.
<details>
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<ul>
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Point standard library links to stable</li>
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Revert "Add background job to clear unreferenced state groups (#18154)"
This mechanism is suspected of inserting large numbers of rows into
`state_groups_state`,
thus unreasonably increasing disk usage.
See: https://github.com/element-hq/synapse/issues/18217
This reverts commit 5121f9210c (#18154).
---------
Signed-off-by: Olivier 'reivilibre <oliverw@matrix.org>
The context for this is that the Matrix spec allows basically anything
in the device ID. With MSC3861, we're restricting this to strings that
can be represented as scopes.
Whilst this works well for next-gen auth sessions, compatibility/legacy
sessions still can have characters that can't be encoded (mainly spaces)
in them.
To work around that, we added in MAS a behaviour where the device_id is
given as an explicit property of the token introspection response, and
remove it from the scope.
Because we don't expect users to rollout new Synapse and MAS versions in
sync, we needed a way to 'advertise' support for this behaviour: the
easiest way to do that was through an extra header in the introspection
response.
On the longer term, I expect MAS and Synapse to move away from the
introspection endpoint, and instead define a specific API for Synapse ->
MAS communication.
PR on the MAS side:
https://github.com/element-hq/matrix-authentication-service/pull/4067
Allows overriding the `redirect_uri` parameter sent to both the
authorization and token endpoints of the IdP. Typically this parameter
is hardcoded to `<public_baseurl>/_synapse/client/oidc/callback`.
Yet it can be useful in certain contexts to allow a different callback
URL. For instance, if you would like to intercept the authorization code
returned from the IdP and do something with it, before eventually
calling Synapse's OIDC callback URL yourself.
This change enables enterprise use cases but does not change the default
behaviour.
---
Best reviewed commit-by-commit.
---------
Co-authored-by: Eric Eastwood <erice@element.io>
Bumps [pyo3-log](https://github.com/vorner/pyo3-log) from 0.12.0 to
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Co-authored-by: Devon Hudson <devonhudson@librem.one>
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.217 to
1.0.218.
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Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.95 to 1.0.96.
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<h2>1.0.96</h2>
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<ul>
<li><a
href="f0aa0d367f"><code>f0aa0d3</code></a>
Release 1.0.96</li>
<li><a
href="bc33c24bd2"><code>bc33c24</code></a>
Convert html links to intra-doc links</li>
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Unset doc-scrape-examples for lib target</li>
<li><a
href="d71c806e97"><code>d71c806</code></a>
More precise gitignore patterns</li>
<li><a
href="3e409755ce"><code>3e40975</code></a>
Remove **/*.rs.bk from project-specific gitignore</li>
<li><a
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Ignore Cargo-generated tests/crate/target directory</li>
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Merge pull request <a
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Ignore missing_abi lint in nightly-2025-01-16</li>
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Ignore double_ended_iterator_last clippy lint</li>
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Update ui test suite to nightly-2025-01-02</li>
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Bumps [click](https://github.com/pallets/click) from 8.1.7 to 8.1.8.
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<blockquote>
<h2>8.1.8</h2>
<p>This is the Click 8.1.8 fix release, which fixes bugs but does not
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<p>PyPI: <a
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<ul>
<li>Fix an issue with type hints for <code>click.open_file()</code>. <a
href="https://redirect.github.com/pallets/click/issues/2717">#2717</a></li>
<li>Fix issue where error message for invalid <code>click.Path</code>
displays on
multiple lines. <a
href="https://redirect.github.com/pallets/click/issues/2697">#2697</a></li>
<li>Fixed issue that prevented a default value of
<code>""</code> from being displayed in
the help for an option. <a
href="https://redirect.github.com/pallets/click/issues/2500">#2500</a></li>
<li>The test runner handles stripping color consistently on Windows. <a
href="https://redirect.github.com/pallets/click/issues/2705">#2705</a></li>
<li>Show correct value for flag default when using
<code>default_map</code>. <a
href="https://redirect.github.com/pallets/click/issues/2632">#2632</a></li>
<li>Fix <code>click.echo(color=...)</code> passing <code>color</code> to
coloroma so it can be
forced on Windows. <a
href="https://redirect.github.com/pallets/click/issues/2606">#2606</a>.</li>
<li>More robust bash version check, fixing problem on Windows with
git-bash. <a
href="https://redirect.github.com/pallets/click/issues/2638">#2638</a></li>
<li>Cache the help option generated by the
<code>help_option_names</code> setting to
respect its eagerness. <a
href="https://redirect.github.com/pallets/click/issues/2811">#2811</a></li>
<li>Replace uses of <code>os.system</code> with
<code>subprocess.Popen</code>. <a
href="https://redirect.github.com/pallets/click/issues/1476">#1476</a></li>
<li>Exceptions generated during a command will use the context's
<code>color</code>
setting when being displayed. <a
href="https://redirect.github.com/pallets/click/issues/2193">#2193</a></li>
<li>Error message when defining option with invalid name is more
descriptive. <a
href="https://redirect.github.com/pallets/click/issues/2452">#2452</a></li>
<li>Refactor code generating default <code>--help</code> option to
deduplicate code. <a
href="https://redirect.github.com/pallets/click/issues/2563">#2563</a></li>
<li>Test <code>CLIRunner</code> resets patched
<code>_compat.should_strip_ansi</code>. <a
href="https://redirect.github.com/pallets/click/issues/2732">#2732</a></li>
</ul>
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<blockquote>
<h2>Version 8.1.8</h2>
<p>Unreleased</p>
<ul>
<li>Fix an issue with type hints for <code>click.open_file()</code>.
:issue:<code>2717</code></li>
<li>Fix issue where error message for invalid <code>click.Path</code>
displays on
multiple lines. :issue:<code>2697</code></li>
<li>Fixed issue that prevented a default value of
<code>""</code> from being displayed in
the help for an option. :issue:<code>2500</code></li>
<li>The test runner handles stripping color consistently on Windows.
:issue:<code>2705</code></li>
<li>Show correct value for flag default when using
<code>default_map</code>.
:issue:<code>2632</code></li>
<li>Fix <code>click.echo(color=...)</code> passing <code>color</code> to
coloroma so it can be
forced on Windows. :issue:<code>2606</code>.</li>
</ul>
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Add links to third-party projects enhancing Click (<a
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<li><a
href="822d4fd0bc"><code>822d4fd</code></a>
Add links to third-party projects</li>
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Break up arguments section (<a
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Remove some typing hints.</li>
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remove test pypi</li>
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update dev dependencies</li>
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fix typos</li>
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Fix missing reset in isolation function (<a
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<li><a
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Fixed missing reset on _compat.should_strip_ansi.</li>
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Bumps [authlib](https://github.com/lepture/authlib) from 1.4.0 to 1.4.1.
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fix(httpx): remove compact code for httpx</li>
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fix(httpx): update test cases for httpx</li>
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fix: improve garbage collection via <a
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fix: update httpx client kwargs <a
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Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.138 to
1.0.139.
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Merge pull request <a
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Document behavior of write_f32/f64 on non-finite floats</li>
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Merge pull request <a
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MSC4108 relies on ETag to determine if something has changed on the
rendez-vous channel.
Strong and correct ETag comparison works if the response body is
bit-for-bit identical, which isn't the case if a proxy in the middle
compresses the response on the fly.
This adds a `no-transform` directive to the `Cache-Control` header,
which tells proxies not to transform the response body.
Additionally, some proxies (nginx) will switch to `Transfer-Encoding:
chunked` if it doesn't know the Content-Length of the response, and
'weakening' the ETag if that's the case. I've added `Content-Length`
headers to all responses, to hopefully solve that.
This basically fixes QR-code login when nginx or cloudflare is involved,
with gzip/zstd/deflate compression enabled.
Bumps [types-psycopg2](https://github.com/python/typeshed) from
2.9.21.20241019 to 2.9.21.20250121.
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Bumps
[sigstore/cosign-installer](https://github.com/sigstore/cosign-installer)
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<h2>What's Changed</h2>
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href="https://github.com/cpanato"><code>@cpanato</code></a> in <a
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Normally, when `discovery` is enabled,
`id_token_signing_alg_values_supported` comes from the OpenID Discovery
Document (`/.well-known/openid-configuration`). If nothing was
specified, we default to supporting `RS256` in the downstream usage.
This PR just adds support for adding a default/overriding the the
discovered value [just like we do for other things like the
`token_endpoint`](1525a3b4d4/docs/usage/configuration/config_documentation.md (oidc_providers)),
etc.
This is a split off #18033
This uses a few tricks to speed up the building of docker images:
- This switches to use `uv pip install` instead of `pip install`. This
saves a bunch of time, especially when cross-compiling
- I then looked at what packages were not using binary wheels: I
upgraded MarkupSafe to have binaries for py3.12, and got back to Python
3.12 because hiredis didn't have builds for py3.13 with the version we
were using
- The generation of the requirements.txt is arch-agnostic, so I've
switched this one to run on the build architecture, so that both arch
can share it
- The download of runtime depdendencies can be done on the build
architecture through manual `apt-get download` plus `dpkg --extract`
- We were using -slim images, but still installed a bunch of -dev
dependencies. Turns out, all the dev dependencies were already installed
in the non-slim image, which saves a bunch of time as well
This has been a problem with Element Web, as it will proble /register
with an empty body, which gave this error:
```
curl -d '{}' -HContent-Type:application/json /_matrix/client/v3/register
{"errcode": "M_UNKNOWN",
"error": "Invalid username"}
```
And Element Web would choke on it. This changes that so we reply
instead:
```
{"errcode": "M_FORBIDDEN",
"error": "Registration has been disabled. Only m.login.application_service registrations are allowed."}
```
Also adds a test for this.
See https://github.com/element-hq/element-web/issues/27993
---------
Co-authored-by: Andrew Morgan <andrew@amorgan.xyz>
Adds new environment variables that can be used with the Docker image
(`SYNAPSE_HTTP_PROXY`/`SYNAPSE_HTTPS_PROXY`/`SYNAPSE_NO_PROXY`)
Useful for things like the [Secure Border
Gateway](https://element.io/server-suite/secure-border-gateways)
### Why is this necessary?
You can already configure the `HTTP_PROXY`/`HTTPS_PROXY` environment
variables to proxy outbound requests but setting this globally in the
Docker image affects all processes which isn't always desirable or
workable in the case where the proxy is running in the Docker image
itself (because the Debian packages will fail to download because the
proxy isn't up and running yet) . Adding Synapse specific environment
variables
(`SYNAPSE_HTTP_PROXY`/`SYNAPSE_HTTPS_PROXY`/`SYNAPSE_NO_PROXY`) makes
things much more targetable.
If a user search has many words we can end up creating really large
queries that take a long time for the database to process. Generally,
such searches don't return any results anyway (due to limits on user ID
and display name length).
We "fix" this by cheating and only searching for the first ten words.
Document consequences of replacing secrets. The covered config options
are `registration_shared_secret`, `macaroon_secret_key`, `form_secret`
and `worker_replication_secret`.
Even though I looked at the source code to check the added documentation
is right, I would appreciate additional verification of the statements
made.
In an hand-wavy attempt at classifying how bad the consequences of
secret replacement are, I added some explanations as warnings and others
as regular paragraphs.
Closes#17971
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [x] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct
(run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
This is to help track down a possible, but very rare, worker deadlock
that was seen on matrix.org.
In theory, you could work back from an instance of these new logs to the
approximate time when the lock was obtained and focus the diagnostic
efforts there.
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [x] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct
(run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
When updating 3pid for a user email from admin api and sending invalid
email the server throws 500 internal server error.
changed to 400 Bad request and returned the error message
Signed-off-by: qashlan <ahmedelqashlan@gmail.com>
Signed-off-by: Ahmed Qashlan <ahmedelqashlan@gmail.com>
We log incorrect ones as we want to catch bugs where Synapse returns bad
tokens. However, sometimes clients just send tokens that are e.g. empty.
---------
Co-authored-by: Eric Eastwood <erice@element.io>
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [X] Pull request is based on the develop branch
* [X] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [X] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct
(run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
I forgot the guide applies to Oracle Linux as well. In fact, I ran a
small homeserver on OEL a few months back.
I did minimal installations on Rocky and OEL on VirtualBox and noticed
Codeready/Powertools repos aren't required, so I removed those commands
from the guide. I switched `RHEL`-references to `EL`.
#17423 was merged before I remembered about OEL but a new PR shouldn't
hurt :)
---------
Co-authored-by: Quentin Gliech <quenting@element.io>
Regressed as part of https://github.com/element-hq/synapse/pull/18107
This does two things:
1. Only check if the state groups have been deleted when calculating the
event context (as that's when we will insert them). This avoids lots of
checks for read operations.
2. Don't lock the `state_groups` rows when doing the check. This adds
overhead, and it doesn't prevent any races.
Broke in #17916, as the signature inspection incorrectly looks at the
wrapper function. We fix this by setting the signature on the wrapper
function to that of the wrapped function via `@functools.wraps`.
Another PR on my quest to a `*_path` variant for every secret. Adds two
config options `admin_token_path` and `client_secret_path` to the
experimental config under `experimental_features.msc3861`. Also includes
tests.
I tried to be a good citizen here by following `attrs` conventions and
not rewriting the corresponding non-path variants in the class, but
instead adding methods to retrieve the value.
Reading secrets from files has the security advantage of separating the
secrets from the config. It also simplifies secrets management in
Kubernetes. Also useful to NixOS users.
When purging history, we try and delete any state groups that become
unreferenced (i.e. there are no longer any events that directly
reference them). When we delete a state group that is referenced by
another state group, we "de-delta" that state group so that it no longer
refers to the state group that is deleted.
There are two bugs with this approach that we fix here:
1. There is a common pattern where we end up storing two state groups
when persisting a state event: the state before and after the new state
event, where the latter is stored as a delta to the former. When
deleting state groups we only deleted the "new" state and left (and
potentially de-deltaed) the old state. This was due to a bug/typo when
trying to find referenced state groups.
2. There are times where we store unreferenced state groups in the DB,
during the purging of history these would not get rechecked and instead
always de-deltaed. Instead, we should check for this case and delete any
unreferenced state groups rather than de-deltaing them.
The effect of the above bugs is that when purging history we'd end up
with lots of unreferenced state groups that had been de-deltaed (i.e.
stored as the full state). This can lead to dramatic increases in
storage space used.
Currently we don't really have anything that stops us from deleting
state groups when an in-flight event references it. This is a fairly
rare race currently, but we want to be able to more aggressively delete
state groups so it is important to address this to ensure that the
database remains valid.
This implements the locking, but doesn't actually use it.
See the class docstring of the new data store for an explanation for how
this works.
---------
Co-authored-by: Devon Hudson <devon.dmytro@gmail.com>
This is so workers can call these functions.
This was preventing the [Delete Room Admin
API](https://element-hq.github.io/synapse/latest/admin_api/rooms.html#version-2-new-version)
from succeeding when `block: true` was specified. This was because we
had `run_background_tasks_on` configured to run on a separate worker.
As workers weren't able to call the `block_room` storage function before
this PR, the (delete room) task failed when taken off the queue by the
worker.
Previously, a value like `5q` would be interpreted as 5 milliseconds. We
should just raise an error instead of letting someone run with a
misconfiguration.
This PR changes the logic so that deactivated users are always ignored.
Suspended users were already effectively ignored as Synapse forbids a
join while suspended.
---------
Co-authored-by: Devon Hudson <devon.dmytro@gmail.com>
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.135 to
1.0.137.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/serde-rs/json/releases">serde_json's
releases</a>.</em></p>
<blockquote>
<h2>v1.0.137</h2>
<ul>
<li>Turn on "float_roundtrip" and "unbounded_depth"
features for serde_json in play.rust-lang.org (<a
href="https://redirect.github.com/serde-rs/json/issues/1231">#1231</a>)</li>
</ul>
<h2>v1.0.136</h2>
<ul>
<li>Optimize serde_json::value::Serializer::serialize_map by using
Map::with_capacity (<a
href="https://redirect.github.com/serde-rs/json/issues/1230">#1230</a>,
thanks <a
href="https://github.com/goffrie"><code>@goffrie</code></a>)</li>
</ul>
</blockquote>
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<details>
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<li><a
href="eb49e28204"><code>eb49e28</code></a>
Release 1.0.137</li>
<li><a
href="51c48ab3b0"><code>51c48ab</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/json/issues/1231">#1231</a>
from dtolnay/playground</li>
<li><a
href="7d8f15b963"><code>7d8f15b</code></a>
Enable "float_roundtrip" and "unbounded_depth"
features in playground</li>
<li><a
href="a46f14cf2e"><code>a46f14c</code></a>
Release 1.0.136</li>
<li><a
href="eb9f3f6387"><code>eb9f3f6</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/json/issues/1230">#1230</a>
from goffrie/patch-1</li>
<li><a
href="513e5b2f74"><code>513e5b2</code></a>
Use Map::with_capacity in value::Serializer::serialize_map</li>
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Bumps [types-bleach](https://github.com/python/typeshed) from
6.1.0.20240331 to 6.2.0.20241123.
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This also happens for rejecting an invite. Basically, any out-of-band membership transition where we first get the membership as an `outlier` and then rely on federation filling us in to de-outlier it.
This PR mainly addresses automated test flakiness, bots/scripts, and options within Synapse like [`auto_accept_invites`](https://element-hq.github.io/synapse/v1.122/usage/configuration/config_documentation.html#auto_accept_invites) that are able to react quickly (before federation is able to push us events), but also helps in generic scenarios where federation is lagging.
I initially thought this might be a Synapse consistency issue (see issues labeled with [`Z-Read-After-Write`](https://github.com/matrix-org/synapse/labels/Z-Read-After-Write)) but it seems to be an event auth logic problem. Workers probably do increase the number of possible race condition scenarios that make this visible though (replication and cache invalidation lag).
Fix https://github.com/element-hq/synapse/issues/15012
(probably fixes https://github.com/matrix-org/synapse/issues/15012 (https://github.com/element-hq/synapse/issues/15012))
Related to https://github.com/matrix-org/matrix-spec/issues/2062
Problems:
1. We don't consider [out-of-band membership](https://github.com/element-hq/synapse/blob/develop/docs/development/room-dag-concepts.md#out-of-band-membership-events) (outliers) in our `event_auth` logic even though we expose them in `/sync`.
1. (This PR doesn't address this point) Perhaps we should consider authing events in the persistence queue as events already in the queue could allow subsequent events to be allowed (events come through many channels: federation transaction, remote invite, remote join, local send). But this doesn't save us in the case where the event is more delayed over federation.
### What happened before?
I wrote some Complement test that stresses this exact scenario and reproduces the problem: https://github.com/matrix-org/complement/pull/757
```
COMPLEMENT_ALWAYS_PRINT_SERVER_LOGS=1 COMPLEMENT_DIR=../complement ./scripts-dev/complement.sh -run TestSynapseConsistency
```
We have `hs1` and `hs2` running in monolith mode (no workers):
1. `@charlie1:hs2` is invited and joins the room:
1. `hs1` invites `@charlie1:hs2` to a room which we receive on `hs2` as `PUT /_matrix/federation/v1/invite/{roomId}/{eventId}` (`on_invite_request(...)`) and the invite membership is persisted as an outlier. The `room_memberships` and `local_current_membership` database tables are also updated which means they are visible down `/sync` at this point.
1. `@charlie1:hs2` decides to join because it saw the invite down `/sync`. Because `hs2` is not yet in the room, this happens as a remote join `make_join`/`send_join` which comes back with all of the auth events needed to auth successfully and now `@charlie1:hs2` is successfully joined to the room.
1. `@charlie2:hs2` is invited and and tries to join the room:
1. `hs1` invites `@charlie2:hs2` to the room which we receive on `hs2` as `PUT /_matrix/federation/v1/invite/{roomId}/{eventId}` (`on_invite_request(...)`) and the invite membership is persisted as an outlier. The `room_memberships` and `local_current_membership` database tables are also updated which means they are visible down `/sync` at this point.
1. Because `hs2` is already participating in the room, we also see the invite come over federation in a transaction and we start processing it (not done yet, see below)
1. `@charlie2:hs2` decides to join because it saw the invite down `/sync`. Because `hs2`, is already in the room, this happens as a local join but we deny the event because our `event_auth` logic thinks that we have no membership in the room ❌ (expected to be able to join because we saw the invite down `/sync`)
1. We finally finish processing the `@charlie2:hs2` invite event from and de-outlier it.
- If this finished before we tried to join we would have been fine but this is the race condition that makes this situation visible.
Logs for `hs2`:
```
🗳️ on_invite_request: handling event <FrozenEventV3 event_id=$PRPCvdXdcqyjdUKP_NxGF2CcukmwOaoK0ZR1WiVOZVk, type=m.room.member, state_key=@user-2-charlie1:hs2, membership=invite, outlier=False>
🔦 _store_room_members_txn update room_memberships: <FrozenEventV3 event_id=$PRPCvdXdcqyjdUKP_NxGF2CcukmwOaoK0ZR1WiVOZVk, type=m.room.member, state_key=@user-2-charlie1:hs2, membership=invite, outlier=True>
🔦 _store_room_members_txn update local_current_membership: <FrozenEventV3 event_id=$PRPCvdXdcqyjdUKP_NxGF2CcukmwOaoK0ZR1WiVOZVk, type=m.room.member, state_key=@user-2-charlie1:hs2, membership=invite, outlier=True>
📨 Notifying about new event <FrozenEventV3 event_id=$PRPCvdXdcqyjdUKP_NxGF2CcukmwOaoK0ZR1WiVOZVk, type=m.room.member, state_key=@user-2-charlie1:hs2, membership=invite, outlier=True>
✅ on_invite_request: handled event <FrozenEventV3 event_id=$PRPCvdXdcqyjdUKP_NxGF2CcukmwOaoK0ZR1WiVOZVk, type=m.room.member, state_key=@user-2-charlie1:hs2, membership=invite, outlier=True>
🧲 do_invite_join for @user-2-charlie1:hs2 in !sfZVBdLUezpPWetrol:hs1
🔦 _store_room_members_txn update room_memberships: <FrozenEventV3 event_id=$bwv8LxFnqfpsw_rhR7OrTjtz09gaJ23MqstKOcs7ygA, type=m.room.member, state_key=@user-1-alice:hs1, membership=join, outlier=True>
🔦 _store_room_members_txn update room_memberships: <FrozenEventV3 event_id=$oju1ts3G3pz5O62IesrxX5is4LxAwU3WPr4xvid5ijI, type=m.room.member, state_key=@user-2-charlie1:hs2, membership=join, outlier=False>
📨 Notifying about new event <FrozenEventV3 event_id=$oju1ts3G3pz5O62IesrxX5is4LxAwU3WPr4xvid5ijI, type=m.room.member, state_key=@user-2-charlie1:hs2, membership=join, outlier=False>
...
🗳️ on_invite_request: handling event <FrozenEventV3 event_id=$O_54j7O--6xMsegY5EVZ9SA-mI4_iHJOIoRwYyeWIPY, type=m.room.member, state_key=@user-3-charlie2:hs2, membership=invite, outlier=False>
🔦 _store_room_members_txn update room_memberships: <FrozenEventV3 event_id=$O_54j7O--6xMsegY5EVZ9SA-mI4_iHJOIoRwYyeWIPY, type=m.room.member, state_key=@user-3-charlie2:hs2, membership=invite, outlier=True>
🔦 _store_room_members_txn update local_current_membership: <FrozenEventV3 event_id=$O_54j7O--6xMsegY5EVZ9SA-mI4_iHJOIoRwYyeWIPY, type=m.room.member, state_key=@user-3-charlie2:hs2, membership=invite, outlier=True>
📨 Notifying about new event <FrozenEventV3 event_id=$O_54j7O--6xMsegY5EVZ9SA-mI4_iHJOIoRwYyeWIPY, type=m.room.member, state_key=@user-3-charlie2:hs2, membership=invite, outlier=True>
✅ on_invite_request: handled event <FrozenEventV3 event_id=$O_54j7O--6xMsegY5EVZ9SA-mI4_iHJOIoRwYyeWIPY, type=m.room.member, state_key=@user-3-charlie2:hs2, membership=invite, outlier=True>
📬 handling received PDU in room !sfZVBdLUezpPWetrol:hs1: <FrozenEventV3 event_id=$O_54j7O--6xMsegY5EVZ9SA-mI4_iHJOIoRwYyeWIPY, type=m.room.member, state_key=@user-3-charlie2:hs2, membership=invite, outlier=False>
📮 handle_new_client_event: handling <FrozenEventV3 event_id=$WNVDTQrxy5tCdPQHMyHyIn7tE4NWqKsZ8Bn8R4WbBSA, type=m.room.member, state_key=@user-3-charlie2:hs2, membership=join, outlier=False>
❌ Denying new event <FrozenEventV3 event_id=$WNVDTQrxy5tCdPQHMyHyIn7tE4NWqKsZ8Bn8R4WbBSA, type=m.room.member, state_key=@user-3-charlie2:hs2, membership=join, outlier=False> because 403: You are not invited to this room.
synapse.http.server - 130 - INFO - POST-16 - <SynapseRequest at 0x7f460c91fbf0 method='POST' uri='/_matrix/client/v3/join/%21sfZVBdLUezpPWetrol:hs1?server_name=hs1' clientproto='HTTP/1.0' site='8080'> SynapseError: 403 - You are not invited to this room.
📨 Notifying about new event <FrozenEventV3 event_id=$O_54j7O--6xMsegY5EVZ9SA-mI4_iHJOIoRwYyeWIPY, type=m.room.member, state_key=@user-3-charlie2:hs2, membership=invite, outlier=False>
✅ handled received PDU in room !sfZVBdLUezpPWetrol:hs1: <FrozenEventV3 event_id=$O_54j7O--6xMsegY5EVZ9SA-mI4_iHJOIoRwYyeWIPY, type=m.room.member, state_key=@user-3-charlie2:hs2, membership=invite, outlier=False>
```
Bumps
[dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact)
from 7 to 8.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dawidd6/action-download-artifact/releases">dawidd6/action-download-artifact's
releases</a>.</em></p>
<blockquote>
<h2>v8</h2>
<h2>New features</h2>
<ul>
<li><code>use_unzip</code> boolean input (defaulting to false) - if set
to true, the action will use system provided <code>unzip</code> utility
for unpacking downloaded artifact(s) (note that the action will first
download the .zip artifact file, then unpack it and remove the .zip
file)</li>
</ul>
<h2>What's Changed</h2>
<ul>
<li>README: v7 by <a
href="https://github.com/haines"><code>@haines</code></a> in <a
href="https://redirect.github.com/dawidd6/action-download-artifact/pull/318">dawidd6/action-download-artifact#318</a></li>
<li>Unzip by <a
href="https://github.com/dawidd6"><code>@dawidd6</code></a> in <a
href="https://redirect.github.com/dawidd6/action-download-artifact/pull/325">dawidd6/action-download-artifact#325</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/haines"><code>@haines</code></a> made
their first contribution in <a
href="https://redirect.github.com/dawidd6/action-download-artifact/pull/318">dawidd6/action-download-artifact#318</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/dawidd6/action-download-artifact/compare/v7...v8">https://github.com/dawidd6/action-download-artifact/compare/v7...v8</a></p>
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<details>
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<ul>
<li><a
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README: v8</li>
<li><a
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Unzip (<a
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<li><a
href="6d05268723"><code>6d05268</code></a>
node_modules: update</li>
<li><a
href="c03fb0c928"><code>c03fb0c</code></a>
README: v7 (<a
href="https://redirect.github.com/dawidd6/action-download-artifact/issues/318">#318</a>)</li>
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Otherwise these can race with other long running queries and lock out
all other queries.
This caused problems in v1.22.0 as we added an index to `events` table
in #17948, but that got interrupted and so next time we ran the
background update we needed to delete the half-finished index. However,
that got blocked behind some long running queries and then locked other
queries out (stopping workers from even starting).
This is particularly a problem in a state reset scenario where the membership
might change without a corresponding event.
This PR is targeting a scenario where a state reset happens which causes
room membership to change. Previously, the cache would just hold onto
stale data and now we properly bust the cache in this scenario.
We have a few tests for these scenarios which you can see are now fixed
because we can remove the `FIXME` where we were previously manually
busting the cache in the test itself.
This is a general Synapse thing so by it's nature it helps out Sliding
Sync.
Fix https://github.com/element-hq/synapse/issues/17368
Prerequisite for https://github.com/element-hq/synapse/issues/17929
---
Match when are busting `_curr_state_delta_stream_cache`
Adds a query param `type` to `/_synapse/admin/v1/rooms/{room_id}/state`
that filters the state event query by state event type.
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Refactor `get_profile` to avoid returning "empty" (`None` / `null`)
fields. Currently this is not very important, but will be more useful
once #17488 lands. It does update the servlet to use this now which has
a minor change in behavior: additional fields served over federation
will now be properly sent back to clients.
It also adds constants for `avatar_url` / `displayname` although I did
not attempt to use it everywhere possible.
`defer.returnValue` was only needed in Python 2; in Python 3, a simple
`return` is fine.
`twisted.internet.defer.returnValue` is deprecated as of Twisted 24.7.0.
Most uses of `returnValue` in synapse were removed a while back; this
cleans up some remaining bits.
This is essentially matrix-org/synapse#14392. I didn't see anything in
there about updating sytest or complement.
The main driver of this is so that I can use `jsonb_path_exists` in
#17488. 😄
Fixes various `mypy` errors associated with Twisted `24.11.0`.
Hopefully addresses https://github.com/element-hq/synapse/issues/17075,
though I've yet to test against `trunk`.
Changes should be compatible with our currently pinned Twisted version
of `24.7.0`.
Supersedes https://github.com/element-hq/synapse/pull/17958.
Awkwardly, the changes made to fix the mypy errors in 1.12.1 cause
errors in 1.11.2. So you'll need to update your mypy version to 1.12.1
to eliminate typechecking errors during developing.
The existing `email.smtp_host` config option is used for two distinct
purposes: it is resolved into the IP address to connect to, and used to
(request via SNI and) validate the server's certificate if TLS is
enabled. This new option allows specifying a different name for the
second purpose.
This is especially helpful, if `email.smtp_host` isn't a global FQDN,
but something that resolves only locally (e.g. "localhost" to connect
through the loopback interface, or some other internally routed name),
that one cannot get a valid certificate for.
Alternatives would of course be to specify a global FQDN as
`email.smtp_host`, or to disable TLS entirely, both of which might be
undesirable, depending on the SMTP server configuration.
Another config option on my quest to a `*_path` variant for every
secret. This time it’s `macaroon_secret_key_path`.
Reading secrets from files has the security advantage of separating the secrets from the config. It also simplifies secrets management in Kubernetes. Also useful to NixOS users.
- Fetch the number of invites the provided user has sent after a given
timestamp
- Fetch the number of rooms the provided user has joined after a given
timestamp, regardless if they have left/been banned from the rooms
subsequently
- Get report IDs of event reports where the provided user was the sender
of the reported event
When rejecting a withdrew invite through federation, an out of band
event needs to be created.
When doing so with a third_party_rules module installed,
`get_prev_state_ids` [is
called](e0fdb862cb/synapse/module_api/callbacks/third_party_event_rules_callbacks.py (L285))
on the context to calculate the state to pass at `check_event_allowed`
callbacks.
The context for outliers is defined
[here](e0fdb862cb/synapse/events/snapshot.py (L168)),
and `state_group_before_event` is None.
This change makes the behavior of `get_prev_state_ids` and
`get_current_state_ids` match the one presented in the docstring
regarding null state_group.
POST requests for account data, receipts and presence require the worker
to be configured as a stream writer. The regular expressions in the
default list don't assume any HTTP method, so if the worker is not a
stream writer, the request fails.
The stream writer section of the documentation lists the same regexps as
the one I'm removing, so people configuring stream writers can still
configure their routing properly.
More context:
https://github.com/element-hq/synapse/issues/17243#issuecomment-2493621645
This is an implementation of MSC4190, which allows appservices to manage
their user's devices without /login & /logout.
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Be able to test `/login/sso/redirect` in Complement
Spawning from
https://github.com/element-hq/sbg/pull/421#discussion_r1854926218 where
we have a proxy that intercepts responses to
`/_matrix/client/v3/login/sso/redirect(/{idpId})` in order to upgrade
them to use OAuth 2.0 Pushed Authorization Requests (PAR). We have some
Complement tests in that codebase that go over this flow and these
changes are required [in order for the URL's to line
up](d648c8ce3f/synapse/rest/client/login.py (L652-L673)).
Currently, when a new scheduled task is added and its scheduled time has
already passed, we set it to ACTIVE. This is problematic, because it
means it will jump the queue ahead of all other SCHEDULED tasks;
furthermore, if the Synapse process gets restarted, it will jump ahead
of any ACTIVE tasks which have been started but are taking a while to
run.
Instead, we leave it set to SCHEDULED, but kick off a call to
`_launch_scheduled_tasks`, which will decide if we actually have
capacity to start a new task, and start the newly-added task if so.
This is a workaround for some proxy setup, where the ETag header gets
stripped from the response headers unless there is a Content-Type header
set.
In particular, we saw this bug when putting Cloudflare in front of
Synapse.
I'm pretty sure this is a Cloudflare bug, as this behaviour isn't
documented anywhere, and doesn't make sense whatsoever.
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
In a worker-mode deployment, the `E2eKeysHandler` is not necessarily
loaded, which means the handler for the `delete_old_otks` task will not
be registered. Make sure we load the handler.
Introduced in https://github.com/element-hq/synapse/pull/17934
For context of why we delay read receipts, see
https://github.com/matrix-org/synapse/issues/4730.
Element Web often sends read receipts in quick succession, if it reloads
the timeline it'll send one for the last message in the old timeline and
again for the last message in the new timeline. This caused remote users
to see a read receipt for older messages come through quickly, but then
the second read receipt taking a while to arrive for the most recent
message.
There are two things going on in this PR:
1. There was a mismatch between seconds and milliseconds, and so we
ended up delaying for far longer than intended.
2. Changing the logic to reuse the `DestinationWakeupQueue` (used for
presence)
The changes in logic are:
- Treat the first receipt and subsequent receipts in a room in the same
way
- Whitelist certain classes of receipts to never delay being sent, i.e.
receipts in small rooms, receipts for events that were sent within the
last 60s, and sending receipts to the event sender's server.
- The maximum delay a receipt can have before being sent to a server is
30s, and we'll send out receipts to remotes at least at 50Hz (by
default)
The upshot is that this should make receipts feel more snappy over
federation.
This new logic should send roughly between 10%–20% of transactions
immediately on matrix.org.
To work around the fact that,
pre-https://github.com/element-hq/synapse/pull/17903, our database may
have old one-time-keys that the clients have long thrown away the
private keys for, we want to delete OTKs that look like they came from
libolm.
To spread the load a bit, without holding up other background database
updates, we use a scheduled task to do the work.
We were pinned to an old version that had deprecation warnings.
In new versions of the action leaving off properties (i.e. `draft` and
`prerelease`) tells the action to not modify those properties of the
release.
There was a bug that meant we would return the full state of the room on
incremental syncs when using lazy loaded members and there were no
entries in the timeline.
This was due to trying to use `state_filter or state_filter.all()` as a
short hand for handling `None` case, however `state_filter` implements
`__bool__` so if the state filter was empty it would be set to full.
c.f. MSC4222 and #17888
The latest Twisted release changed how they implemented `__await__` on
deferreds, which broke the machinery we used to test cancellation.
This PR changes things a bit to instead patch the `__await__` method,
which is a stable API. This mostly doesn't change the core logic, except
for fixing two bugs:
- We previously did not intercept all await points
- After cancellation we now need to not only unblock currently blocked
await points, but also make sure we don't block any future await points.
c.f. https://github.com/twisted/twisted/pull/12226
---------
Co-authored-by: Devon Hudson <devon.dmytro@gmail.com>
Currently, one-time-keys are issued in a somewhat random order. (In
practice, they are issued according to the lexicographical order of
their key IDs.) That can lead to a situation where a client gives up
hope of a given OTK ever being used, whilst it is still on the server.
Related: https://github.com/element-hq/element-meta/issues/2356
Update version constraint to allow the latest `poetry-core` `1.9.1`
Context:
> I am working on updating poetry-core in Fedora and synapse is one of
affected packages. Please run a CI to see if it works properly. Thank
you.
Mergeable version of https://github.com/element-hq/synapse/pull/17848
When entries insert in the end of timer queue, then unnecessary entry
inserted (with duplicated key).
This can lead to some timeouts expired early and consume memory.
Basically, if the client sets a special query param on `/sync` v2
instead of responding with `state` at the *start* of the timeline, we
instead respond with `state_after` at the *end* of the timeline.
We do this by using the `current_state_delta_stream` table, which is
actually reliable, rather than messing around with "state at" points on
the timeline.
c.f. MSC4222
The main change here is to add a helper function
`gather_optional_coroutines`, which works in a similar way as
`yieldable_gather_results` but takes a set of coroutines rather than a
function
Fixes#17823
While we're at it, makes a change where the redactions are sent as the
admin if the user is not a member of the server (otherwise these fail
with a "User must be our own" message).
Reset `sliding_sync_membership_snapshots` -> `forgotten` status when
membership changes (like rejoining a room).
Fix https://github.com/element-hq/synapse/issues/17781
### What was the problem before?
Previously, if someone used `/forget` on one of their rooms, it would
update `sliding_sync_membership_snapshots` as expected but when someone
rejoined the room (or had any membership change), the upsert didn't
overwrite and reset the `forgotten` status so it remained `forgotten`
and invisible down the Sliding Sync endpoint.
This adds Python 3.13.0 to the trial test matrix
Also updates `cffi` and `zope.interface` in the locked dependencies to
make sure we have versions compatible with Python 3.13. For some
reasons, they are not being picked up by dependabot.
Bumps [mypy](https://github.com/python/mypy) from 1.10.1 to 1.11.2.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/python/mypy/blob/master/CHANGELOG.md">mypy's
changelog</a>.</em></p>
<blockquote>
<h3>Mypy 1.11.2</h3>
<ul>
<li>Alternative fix for a union-like literal string (Ivan Levkivskyi, PR
<a
href="https://redirect.github.com/python/mypy/pull/17639">17639</a>)</li>
<li>Unwrap <code>TypedDict</code> item types before storing (Ivan
Levkivskyi, PR <a
href="https://redirect.github.com/python/mypy/pull/17640">17640</a>)</li>
</ul>
<h3>Acknowledgements</h3>
<p>Thanks to all mypy contributors who contributed to this release:</p>
<ul>
<li>Alex Waygood</li>
<li>Alexander Leopold Shon</li>
<li>Ali Hamdan</li>
<li>Anders Kaseorg</li>
<li>Ben Brown</li>
<li>Bénédikt Tran</li>
<li>bzoracler</li>
<li>Christoph Tyralla</li>
<li>Christopher Barber</li>
<li>dexterkennedy</li>
<li>gilesgc</li>
<li>GiorgosPapoutsakis</li>
<li>Ivan Levkivskyi</li>
<li>Jelle Zijlstra</li>
<li>Jukka Lehtosalo</li>
<li>Marc Mueller</li>
<li>Matthieu Devlin</li>
<li>Michael R. Crusoe</li>
<li>Nikita Sobolev</li>
<li>Seo Sanghyeon</li>
<li>Shantanu</li>
<li>sobolevn</li>
<li>Steven Troxler</li>
<li>Tadeu Manoel</li>
<li>Tamir Duberstein</li>
<li>Tushar Sadhwani</li>
<li>urnest</li>
<li>Valentin Stanciu</li>
</ul>
<p>I’d also like to thank my employer, Dropbox, for supporting mypy
development.</p>
<h2>Mypy 1.10</h2>
<p>We’ve just uploaded mypy 1.10 to the Python Package Index (<a
href="https://pypi.org/project/mypy/">PyPI</a>). Mypy is a static type
checker for Python. This release includes new features, performance
improvements and bug fixes. You can install it as follows:</p>
<pre><code>python3 -m pip install -U mypy
</code></pre>
<p>You can read the full documentation for this release on <a
href="http://mypy.readthedocs.io">Read the Docs</a>.</p>
<h3>Support TypeIs (PEP 742)</h3>
<p>Mypy now supports <code>TypeIs</code> (<a
href="https://peps.python.org/pep-0742/">PEP 742</a>), which allows</p>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="789f02c83a"><code>789f02c</code></a>
Bump version to 1.11.2</li>
<li><a
href="917cc75fd6"><code>917cc75</code></a>
An alternative fix for a union-like literal string (<a
href="https://redirect.github.com/python/mypy/issues/17639">#17639</a>)</li>
<li><a
href="7d805b364e"><code>7d805b3</code></a>
Unwrap TypedDict item types before storing (<a
href="https://redirect.github.com/python/mypy/issues/17640">#17640</a>)</li>
<li><a
href="32675dddfa"><code>32675dd</code></a>
Revert "Fix Literal strings containing pipe characters" (<a
href="https://redirect.github.com/python/mypy/issues/17638">#17638</a>)</li>
<li><a
href="778542b93a"><code>778542b</code></a>
Revert "Fix <code>RawExpressionType.accept</code> crash with
<code>--cache-fine-grained</code>" (<a
href="https://redirect.github.com/python/mypy/issues/1">#1</a>...</li>
<li><a
href="14ab742dec"><code>14ab742</code></a>
Bump version to 1.11.2+dev</li>
<li><a
href="570b90a7a3"><code>570b90a</code></a>
Bump version to 1.11</li>
<li><a
href="b3a102ef31"><code>b3a102e</code></a>
Fix <code>RawExpressionType.accept</code> crash with
<code>--cache-fine-grained</code> (<a
href="https://redirect.github.com/python/mypy/issues/17588">#17588</a>)</li>
<li><a
href="aec04c7448"><code>aec04c7</code></a>
Fix PEP 604 isinstance caching (<a
href="https://redirect.github.com/python/mypy/issues/17563">#17563</a>)</li>
<li><a
href="cb44e4d8f1"><code>cb44e4d</code></a>
Fix <code>typing.TypeAliasType</code> being undefined on python <
3.12 (<a
href="https://redirect.github.com/python/mypy/issues/17558">#17558</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/python/mypy/compare/v1.10.1...v1.11.2">compare
view</a></li>
</ul>
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Bumps [psycopg2](https://github.com/psycopg/psycopg2) from 2.9.9 to
2.9.10.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
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<blockquote>
<h2>Current release</h2>
<p>What's new in psycopg 2.9.10
^^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Add support for Python 3.13.</li>
<li>Receive notifications on commit
(🎫<code>[#1728](https://github.com/psycopg/psycopg2/issues/1728)</code>).</li>
<li><code>~psycopg2.errorcodes</code> map and
<code>~psycopg2.errors</code> classes updated to
PostgreSQL 17.</li>
<li>Drop support for Python 3.7.</li>
</ul>
<p>What's new in psycopg 2.9.9
^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Add support for Python 3.12.</li>
<li>Drop support for Python 3.6.</li>
</ul>
<p>What's new in psycopg 2.9.8
^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Wheel package bundled with PostgreSQL 16 libpq in order to add
support for
recent features, such as <code>sslcertmode</code>.</li>
</ul>
<p>What's new in psycopg 2.9.7
^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Fix propagation of exceptions raised during module initialization
(🎫<code>[#1598](https://github.com/psycopg/psycopg2/issues/1598)</code>).</li>
<li>Fix building when pg_config returns an empty string
(🎫<code>[#1599](https://github.com/psycopg/psycopg2/issues/1599)</code>).</li>
<li>Wheel package bundled with OpenSSL 1.1.1v.</li>
</ul>
<p>What's new in psycopg 2.9.6
^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Package manylinux 2014 for aarch64 and ppc64le platforms, in order
to
include libpq 15 in the binary package
(🎫<code>[#1396](https://github.com/psycopg/psycopg2/issues/1396)</code>).</li>
<li>Wheel package bundled with OpenSSL 1.1.1t.</li>
</ul>
<p>What's new in psycopg 2.9.5
^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Add support for Python 3.11.</li>
<li>Add support for rowcount in MERGE statements in binary packages
(🎫<code>[#1497](https://github.com/psycopg/psycopg2/issues/1497)</code>).</li>
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Spawning from @kegsay [pointing
out](https://matrix.to/#/!cnVVNLKqgUzNTOFQkz:matrix.org/$ExOO7J8uPUQSyH-9Uxc_QCa8jlXX9uK4VRtkSC0EI3o?via=element.io&via=matrix.org&via=jki.re)
that the Sliding Sync endpoint doesn't handle a large room with a lot of
state well on initial sync (requesting all state via `required_state: [
["*","*"] ]`) (it just takes forever).
After investigating further, the slow part is just
`get_events_as_list(...)` fetching all of the current state ID's out for
the room (which can be 100k+ events for rooms with a lot of membership).
This is just a slow thing in Synapse in general and the same thing
happens in Sync v2 or the `/state` endpoint.
---
The only idea I had to improve things was to use `batch_iter` to only
try fetching a fixed amount at a time instead of working with large
maps, lists, and sets. This doesn't seem to have much effect though.
There is already a `batch_iter(event_ids, 200)` in
`_fetch_event_rows(...)` for when we actually have to touch the database
and that's inside a queue to deduplicate work.
I did notice one slight optimization to use `get_events_as_list(...)`
directly instead of `get_events(...)`. `get_events(...)` just turns the
result from `get_events_as_list(...)` into a dict and since we're just
iterating over the events, we don't need the dict/map.
Fixes https://github.com/element-hq/synapse/issues/17698
This handles `required_state` changes by checking if new state has been
added to the config, and if so fetching and returning that from the
current state.
This also takes care to ensure that given a state entry S that is added,
removed and then re-added that we do *not* send S down a second time if
there have been no changes to S in the current state. This is fine for
Rust SDK (as it just remembers all state), but we might decide not to do
this behaviour in the MSC. If we decide to always send down S then its
easy enough to rip out all the code.
---------
Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>
c.f. https://wiki.ubuntu.com/Releases for the currently supported Ubuntu
releases.
Note: this removes support for 23.04 and 23.10, which are EOL.
Fixes#17811
- better validation on user input
- fix an early task completion
- when checking membership in rooms, check for rooms user has been
banned from as well
Two changes: a) use a batch lookup function instead of a loop, b) check
existing data to see if we already have what we need and only fetch what
we don't.
Adds the option to load the Redis password from a file, instead of
giving it in the config directly. The code is similar to how it’s done
for `registration_shared_secret_path`. I changed the example in the
documentation to represent the best practice regarding the handling of
secrets.
Reading secrets from files has the security advantage of separating the
secrets from the config. It also simplifies secrets management in
Kubernetes.
Added a note in the documentation suggesting that users may set
`PYTHONMALLOC=malloc` when using `jemalloc`. This allows jemalloc to
track memory usage more accurately by bypassing Python's internal
small-object allocator (`pymalloc`), helping to ensure that
`cache_autotuning` functions as expected.
This doc change aims to provide more clarity for users configuring
jemalloc with Synapse.
Based on:
4ac783549c/synapse/metrics/jemalloc.py (L198-L201)
There is a bug with the `StreamChangeCache` where it would incorrectly
return that all entities had changed if asked for entities changed
*since* the earliest stream position.
Note that for streams we use the inequalities: `$min_stream_id <
stream_id <= $max_stream_id`, i.e. when we ask the stream change cache
for all things that have changed since `$stream_id` we don't care for
events that happened *at* `$stream_id`.
Specifically: `_earliest_known_stream_pos` is the position at which we
know that we'll have entries for all changes since that point, we can
use the cache for any stream IDs that equal
`_earliest_known_stream_pos`.
`_earliest_known_stream_pos` is set in three places:
- On startup we set it either to:
- the current maximum stream ID, with not prefilled values; or
- the minimum of the latest N values we pulled from the DB
- When we evict items from the bottom, we set it to the stream ID of the
evicted items.
This was changed in https://github.com/matrix-org/synapse/pull/14435,
but I think we were overly conservative there.
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Based on #17765.
Basically the idea is to reduce the overhead of calling
`ObservableDeferred` in a loop. The two gains are: a) just using a list
of deferreds rather than the machinery of `ObservableDeferred`, and b)
only calling `PreseverLoggingContext` once.
`PreseverLoggingContext` in particular is expensive to call a lot as
each time it needs to call `get_thread_resource_usage` twice, so that it
an update the CPU metrics of the log context.
The notifier is quite inefficient when it has to wake up many user
streams all at once
From a silly benchmark this takes the time to notify 1M user streams
from ~30s to ~5s
This works as instead of passing *all* rooms to `record_sent_rooms` we
only need to pass rooms that were previously not in the LIVE state.
This came from a py-spy where we were spending ~10% CPU calling these
functions. Note that `record_sent_rooms` is a no-op for rooms that are
already in the `LIVE` state, so we only need to call them for
`PREVIOUSLY` or `INITIAL` rooms.
2024-09-30 12:58:02 +01:00
846 changed files with 72572 additions and 19332 deletions
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by @github_username." or "Contributed by [Your Name]." to the end of the entry.
* [ ] [Code style](https://element-hq.github.io/synapse/latest/code_style.html) is correct
(run the [linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
* [ ] [Code style](https://element-hq.github.io/synapse/latest/code_style.html) is correct (run the [linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
giving admins the power to easily manage an organization-wide
deployment. It includes advanced identity management, auditing,
moderation and data retention options as well as LongTerm Support and
SLAs. ESS can be used to support any Matrix-based frontend client.
moderation and data retention options as well as Long-Term Support and
SLAs. ESS supports any Matrix-compatible client.
..contents::
🛠️ Installing and configuration
===============================
🛠️ Installation and configuration
==================================
The Synapse documentation describes `how to install Synapse <https://element-hq.github.io/synapse/latest/setup/installation.html>`_. We recommend using
`Docker images <https://element-hq.github.io/synapse/latest/setup/installation.html#docker-images-and-ansible-playbooks>`_ or `Debian packages from Matrix.org
@@ -132,7 +133,7 @@ connect from a client: see
An easy way to get started is to login or register via Element at
https://app.element.io/#/login or https://app.element.io/#/register respectively.
You will need to change the server you are logging into from ``matrix.org``
and instead specify a Homeserver URL of ``https://<server_name>:8448``
and instead specify a homeserver URL of ``https://<server_name>:8448``
(or just ``https://<server_name>`` if you are using a reverse proxy).
@@ -249,6 +249,24 @@ Developers might be particularly interested in:
Alongside all that, join our developer community on Matrix:
`#synapse-dev:matrix.org <https://matrix.to/#/#synapse-dev:matrix.org>`_, featuring real humans!
Copyright and Licensing
=======================
| Copyright 2014-2017 OpenMarket Ltd
| Copyright 2017 Vector Creations Ltd
| Copyright 2017-2025 New Vector Ltd
|
This software is dual-licensed by New Vector Ltd (Element). It can be used either:
(1) for free under the terms of the GNU Affero General Public License (as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version); OR
(2) under the terms of a paid-for Element Commercial License agreement between you and Element (the terms of which may vary depending on what you and Element have agreed to).
Unless required by applicable law or agreed to in writing, software distributed under the Licenses is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the Licenses for the specific language governing permissions and limitations under the Licenses.
Please contact `licensing@element.io <mailto:licensing@element.io>`_ to purchase an Element commercial license for this software.
Reduce overall number of calls to `_get_e2e_cross_signing_signatures_for_devices` by increasing the batch size of devices the query is called with, reducing DB load.
Update error code used when an appservice tries to masquerade as an unknown device using [MSC4326](https://github.com/matrix-org/matrix-spec-proposals/pull/4326). Contributed by @tulir @ Beeper.
Compute a user's last seen timestamp from their devices' last seen timestamps instead of IPs, because the latter are automatically cleared according to `user_ips_max_age`.
Note that the code is additionally licensed under the [Element Commercial license](https://github.com/element-hq/synapse/blob/develop/LICENSE-COMMERCIAL) in SPDX expression field configs.
Remove internal `ReplicationUploadKeysForUserRestServlet` as a follow-up to the work in https://github.com/element-hq/synapse/pull/18581 that moved device changes off the main process.
Remove deprecated `LoggingContext.set_current_context`/`LoggingContext.current_context` methods which already have equivalent bare methods in `synapse.logging.context`.
Drop support for unstable field names from the long-accepted [MSC2732](https://github.com/matrix-org/matrix-spec-proposals/pull/2732) (Olm fallback keys) proposal.
Switch back to our own custom `LogContextScopeManager` instead of OpenTracing's `ContextVarsScopeManager` which was causing problems when using the experimental `SYNAPSE_ASYNC_IO_REACTOR` option with tracing enabled.
Fix a bug introduced in 1.139.1 where a client could receive an Internal Server Error if they set `device_keys: null` in the request to [`POST /_matrix/client/v3/keys/upload`](https://spec.matrix.org/v1.16/client-server-api/#post_matrixclientv3keysupload).
@@ -8,6 +8,9 @@ All examples and snippets assume that your Synapse service is called `synapse` i
An example Docker Compose file can be found [here](docker-compose.yaml).
**For a more comprehensive Docker Compose example, showcasing a full Matrix 2.0 stack (originally based on this
docker-compose.yaml), please see https://github.com/element-hq/element-docker-demo**
## Worker Service Examples in Docker Compose
In order to start the Synapse container as a worker, you must specify an `entrypoint` that loads both the `homeserver.yaml` and the configuration for the worker (`synapse-generic-worker-1.yaml` in the example below). You must also include the worker type in the environment variable `SYNAPSE_WORKER` or alternatively pass `-m synapse.app.generic_worker` as part of the `entrypoint` after `"/start.py", "run"`).
This API returns information about scheduled tasks.
To use it, you will need to authenticate by providing an `access_token`
for a server admin: see [Admin API](../usage/administration/admin_api/).
The api is:
```
GET /_synapse/admin/v1/scheduled_tasks
```
It returns a JSON body like the following:
```json
{
"scheduled_tasks":[
{
"id":"GSA124oegf1",
"action":"shutdown_room",
"status":"complete",
"timestamp_ms":23423523,
"resource_id":"!roomid",
"result":"some result",
"error":null
}
]
}
```
**Query parameters:**
*`action_name`: string - Is optional. Returns only the scheduled tasks with the given action name.
*`resource_id`: string - Is optional. Returns only the scheduled tasks with the given resource id.
*`status`: string - Is optional. Returns only the scheduled tasks matching the given status, one of
- "scheduled" - Task is scheduled but not active
- "active" - Task is active and probably running, and if not will be run on next scheduler loop run
- "complete" - Task has completed successfully
- "failed" - Task is over and either returned a failed status, or had an exception
*`max_timestamp`: int - Is optional. Returns only the scheduled tasks with a timestamp inferior to the specified one.
**Response**
The following fields are returned in the JSON response body along with a `200` HTTP status code:
*`id`: string - ID of scheduled task.
*`action`: string - The name of the scheduled task's action.
*`status`: string - The status of the scheduled task.
*`timestamp_ms`: integer - The timestamp (in milliseconds since the unix epoch) of the given task - If the status is "scheduled" then this represents when it should be launched.
Otherwise it represents the last time this task got a change of state.
*`resource_id`: Optional string - The resource id of the scheduled task, if it possesses one
*`result`: Optional Json - Any result of the scheduled task, if given
*`error`: Optional string - If the task has the status "failed", the error associated with this failure
@@ -412,6 +415,32 @@ The following actions are **NOT** performed. The list may be incomplete.
- Remove from monthly active users
- Remove user's consent information (consent version and timestamp)
## Suspend/Unsuspend Account
This API allows an admin to suspend/unsuspend an account. While an account is suspended, the user is
prohibited from sending invites, joining or knocking on rooms, sending messages, changing profile data, and redacting messages other than their own.
The api is:
```
PUT /_synapse/admin/v1/suspend/<user_id>
```
with a body of:
```json
{
"suspend":true
}
```
To unsuspend a user, use the same endpoint with a body of:
```json
{
"suspend":false
}
```
## Reset password
**Note:** This API is disabled when MSC3861 is enabled. [See #15582](https://github.com/matrix-org/synapse/pull/15582)
@@ -476,9 +505,9 @@ with a body of:
}
```
## List room memberships of a user
## List joined rooms of a user
Gets a list of all `room_id` that a specific `user_id` is member.
Gets a list of all `room_id` that a specific `user_id` is joined to and is a member of (participating in).
The API is:
@@ -515,6 +544,73 @@ The following fields are returned in the JSON response body:
-`joined_rooms` - An array of `room_id`.
-`total` - Number of rooms.
## Get the number of invites sent by the user
Fetches the number of invites sent by the provided user ID across all rooms
after the given timestamp.
```
GET /_synapse/admin/v1/users/$user_id/sent_invite_count
```
**Parameters**
The following parameters should be set in the URL:
*`user_id`: fully qualified: for example, `@user:server.com`
The following should be set as query parameters in the URL:
*`from_ts`: int, required. A timestamp in ms from the unix epoch. Only
invites sent at or after the provided timestamp will be returned.
This works by comparing the provided timestamp to the `received_ts`
column in the `events` table.
Note: https://currentmillis.com/ is a useful tool for converting dates
into timestamps and vice versa.
A response body like the following is returned:
```json
{
"invite_count":30
}
```
_Added in Synapse 1.122.0_
## Get the cumulative number of rooms a user has joined after a given timestamp
Fetches the number of rooms that the user joined after the given timestamp, even
if they have subsequently left/been banned from those rooms.
```
GET /_synapse/admin/v1/users/$<user_id/cumulative_joined_room_count
```
**Parameters**
The following parameters should be set in the URL:
*`user_id`: fully qualified: for example, `@user:server.com`
The following should be set as query parameters in the URL:
*`from_ts`: int, required. A timestamp in ms from the unix epoch. Only
invites sent at or after the provided timestamp will be returned.
This works by comparing the provided timestamp to the `received_ts`
column in the `events` table.
Note: https://currentmillis.com/ is a useful tool for converting dates
into timestamps and vice versa.
A response body like the following is returned:
```json
{
"cumulative_joined_room_count":30
}
```
_Added in Synapse 1.122.0_
## Account Data
Gets information about account data for a specific `user_id`.
@@ -859,7 +955,8 @@ A response body like the following is returned:
"last_seen_ip": "1.2.3.4",
"last_seen_user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0",
"last_seen_ts": 1474491775024,
"user_id": "<user_id>"
"user_id": "<user_id>",
"dehydrated": false
},
{
"device_id": "AUIECTSRND",
@@ -867,7 +964,8 @@ A response body like the following is returned:
"last_seen_ip": "1.2.3.5",
"last_seen_user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0",
"last_seen_ts": 1474491775025,
"user_id": "<user_id>"
"user_id": "<user_id>",
"dehydrated": false
}
],
"total": 2
@@ -897,6 +995,7 @@ The following fields are returned in the JSON response body:
- `last_seen_ts` - The timestamp (in milliseconds since the unix epoch) when this
devices was last seen. (May be a few minutes out of date, for efficiency reasons).
- `user_id` - Owner of device.
- `dehydrated` - Whether the device is a dehydrated device.
- `total` - Total number of user's devices.
@@ -1128,7 +1227,7 @@ See also the
## Controlling whether a user is shadow-banned
Shadow-banning is a useful tool for moderating malicious or egregiously abusive users.
Shadow-banning is a useful tool for moderating malicious or egregiously abusive users.
A shadow-banned users receives successful responses to their client-server API requests,
but the events are not propagated into rooms. This can be an effective tool as it
(hopefully) takes longer for the user to realise they are being moderated before
@@ -1365,6 +1464,12 @@ _Added in Synapse 1.72.0._
## Redact all the events of a user
This endpoint allows an admin to redact the events of a given user. There are no restrictions on
redactions for a local user. By default, we puppet the user who sent the message to redact it themselves.
Redactions for non-local users are issued using the admin user, and will fail in rooms where the
admin user is not admin/does not have the specified power level to issue redactions. An option
is provided to override the default and allow the admin to issue the redactions in all cases.
The API is
```
POST /_synapse/admin/v1/user/$user_id/redact
@@ -1373,7 +1478,7 @@ POST /_synapse/admin/v1/user/$user_id/redact
"rooms": ["!roomid1", "!roomid2"]
}
```
If an empty list is provided as the key for `rooms`, all events in all the rooms the user is member of will be redacted,
If an empty list is provided as the key for `rooms`, all events in all the rooms the user is member of will be redacted,
otherwise all the events in the rooms provided in the request will be redacted.
The API starts redaction process running, and returns immediately with a JSON body with
@@ -1396,12 +1501,15 @@ The following JSON body parameter must be provided:
- `rooms` - A list of rooms to redact the user's events in. If an empty list is provided all events in all rooms
the user is a member of will be redacted
_Added in Synapse 1.116.0._
The following JSON body parameters are optional:
- `reason` - Reason the redaction is being requested, ie "spam", "abuse", etc. This will be included in each redaction event, and be visible to users.
- `limit` - a limit on the number of the user's events to search for ones that can be redacted (events are redacted newest to oldest) in each room, defaults to 1000 if not provided
- `limit` - a limit on the number of the user's events to search for ones that can be redacted (events are redacted newest to oldest) in each room, defaults to 1000 if not provided.
- `use_admin` - If set to `true`, the admin user is used to issue the redactions, rather than puppeting the user. Useful
when the admin is also the moderator of the rooms that require redactions. Note that the redactions will fail in rooms
where the admin does not have the sufficient power level to issue the redactions.
_Added in Synapse 1.116.0._
## Check the status of a redaction process
@@ -1440,4 +1548,6 @@ The following fields are returned in the JSON response body:
- `failed_redactions` - dictionary - the keys of the dict are event ids the process was unable to redact, if any, and the values are
the corresponding error that caused the redaction to fail
@@ -29,8 +29,6 @@ easiest way of installing the latest version is to use [rustup](https://rustup.r
Synapse can connect to PostgreSQL via the [psycopg2](https://pypi.org/project/psycopg2/) Python library. Building this library from source requires access to PostgreSQL's C header files. On Debian or Ubuntu Linux, these can be installed with `sudo apt install libpq-dev`.
Synapse has an optional, improved user search with better Unicode support. For that you need the development package of `libicu`. On Debian or Ubuntu Linux, this can be installed with `sudo apt install libicu-dev`.
The source code of Synapse is hosted on GitHub. You will also need [a recent version of git](https://github.com/git-guides/install-git).
For some tests, you will need [a recent version of Docker](https://docs.docker.com/get-docker/).
@@ -322,7 +320,7 @@ The following command will let you run the integration test with the most common
configuration:
```sh
$ docker run --rm -it -v /path/where/you/have/cloned/the/repository\:/src:ro -v /path/to/where/you/want/logs\:/logs matrixdotorg/sytest-synapse:focal
$ docker run --rm -it -v /path/where/you/have/cloned/the/repository\:/src:ro -v /path/to/where/you/want/logs\:/logs matrixdotorg/sytest-synapse:bullseye
```
(Note that the paths must be full paths! You could also write `$(realpath relative/path)` if needed.)
This could be used to inform the user that they have reached a media upload limit through
some external method.
The arguments passed to this callback are:
*`user_id`: The Matrix user ID of the user (e.g. `@alice:example.com`) making the request.
*`limit`: The `synapse.module_api.MediaUploadLimit` representing the limit that was reached.
*`sent_bytes`: The number of bytes already sent during the period of the limit.
*`attempted_bytes`: The number of bytes that the user attempted to send.
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