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Fix https://github.com/matrix-org/synapse/issues/13016
## New error code and status
### Before
Previously, we returned a `404` for `/thumbnail` which isn't even in the spec.
```json
{
"errcode": "M_NOT_FOUND",
"error": "Not found [b'hs1', b'tefQeZhmVxoiBfuFQUKRzJxc']"
}
```
### After
What does the spec say?
> 400: The request does not make sense to the server, or the server cannot thumbnail the content. For example, the client requested non-integer dimensions or asked for negatively-sized images.
>
> *-- https://spec.matrix.org/v1.1/client-server-api/#get_matrixmediav3thumbnailservernamemediaid*
Now with this PR, we respond with a `400` when we don't have thumbnails to serve and we explain why we might not have any thumbnails.
```json
{
"errcode": "M_UNKNOWN",
"error": "Cannot find any thumbnails for the requested media ([b'example.com', b'12345']). This might mean the media is not a supported_media_format=(image/jpeg, image/jpg, image/webp, image/gif, image/png) or that thumbnailing failed for some other reason. (Dynamic thumbnails are disabled on this server.)",
}
```
> Cannot find any thumbnails for the requested media ([b'example.com', b'12345']). This might mean the media is not a supported_media_format=(image/jpeg, image/jpg, image/webp, image/gif, image/png) or that thumbnailing failed for some other reason. (Dynamic thumbnails are disabled on this server.)
---
We still respond with a 404 in many other places. But we can iterate on those later and maybe keep some in some specific places after spec updates/clarification: https://github.com/matrix-org/matrix-spec/issues/1122
We can also iterate on the bugs where Synapse doesn't thumbnail when it should in other issues/PRs.
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Instead of manually inserting fake data. This fixes some issues with
having to manually calculate stream orderings and other oddities.
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Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
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`frozendict` 2.3.2 includes a fix for a memory leak in
`frozendict.__hash__`. This likely has no impact outside of the
deprecated `/initialSync` endpoint, which uses `StreamToken`s,
containing `RoomStreamToken`s, containing `frozendict`s, as cache keys.
Signed-off-by: Sean Quah <seanq@matrix.org>
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These columns were added back in Synapse 1.52, and have been populated for new
events since then. It's now (beyond) time to back-populate them for existing
events.
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There are two fixes here:
1. A long-standing bug where we incorrectly calculated `delta_ids`; and
2. A bug introduced in #13267 where we got current state incorrect.
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When building the docker images for complement testing, copy a preinstalled
complement over from a base image, rather than apt installing it. This avoids
network traffic and is much faster.
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Some experimental prep work to enable external event caching based on #9379 & #12955. Doesn't actually move the cache at all, just lays the groundwork for async implemented caches.
Signed off by Nick @ Beeper (@Fizzadar)
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* Replace `get_new_events_for_appservice` with `get_all_new_events_stream`
The functions were near identical and this brings the AS worker closer
to the way federation senders work which can allow for multiple workers
to handle AS traffic.
* Pull received TS alongside events when processing the stream
This avoids an extra query -per event- when both federation sender
and appservice pusher process events.
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There is a corner in `_check_event_auth` (long known as "the weird corner") where, if we get an event with auth_events which don't match those we were expecting, we attempt to resolve the diffence between our state and the remote's with a state resolution.
This isn't specced, and there's general agreement we shouldn't be doing it.
However, it turns out that the faster-joins code was relying on it, so we need to introduce something similar (but rather simpler) for that.
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Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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* Drop support for v1 unbind
Signed-off-by: Jacek Kusnierz <jacek.kusnierz@tum.de>
* Add changelog
Signed-off-by: Jacek Kusnierz <jacek.kusnierz@tum.de>
* Update changelog.d/13240.misc
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usage example (#13231)
* Admin API request explanation improved
Pointed out, that the Admin API is not accessible by default from any remote computer, but only from the PC `matrix-synapse` is running on.
Added a full, working example, making sure to include the cURL flag `-X`, which needs to be prepended to `GET`, `POST`, `PUT` etc. and listing the full query string including protocol, IP address and port.
* Admin API request explanation improved
* Apply suggestions from code review
Update changelog. Reword prose.
Co-authored-by: David Robertson <david.m.robertson1@gmail.com>
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These tables have been unused since Synapse v1.61.0, although schema version 72
was added in Synapse v1.62.0.
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(#13263)
Co-authored-by: Thomas Weston <thomas.weston@clearspancloud.com>
Co-authored-by: David Robertson <david.m.robertson1@gmail.com>
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Inline URL preview documentation near the implementation.
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This is unused since Synapse 1.60.0 (#12679). It's time for it to go.
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`id_access_token` (#13239)
Fixes #13201
Signed-off-by: Jacek Kusnierz jacek.kusnierz@tum.de
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(#13255)
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* Drop support for delegating email validation
Delegating email validation to an IS is insecure (since it allows the owner of
the IS to do a password reset on your HS), and has long been deprecated. It
will now cause a config error at startup.
* Update unit test which checks for email verification
Give it an `email` config instead of a threepid delegate
* Remove unused method `requestEmailToken`
* Simplify config handling for email verification
Rather than an enum and a boolean, all we need here is a single bool, which
says whether we are or are not doing email verification.
* update docs
* changelog
* upgrade.md: fix typo
* update version number
this will be in 1.64, not 1.63
* update version number
this one too
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The stack is already logged when waiting for an event to be un-partial
stated. Log the stack for rooms as well, to aid in debugging.
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Cross-link doc pages for easier navigation.
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token. (#13094)
This gets rid of another usage of get_appservice_by_req, with all the benefits, including correctly tracking the appservice IP and setting the tracing attributes correctly.
Signed-off-by: Quentin Gliech <quenting@element.io>
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Signed-off-by: Ville Petteri Huh.
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Inspired by the room batch handler, this uses previous event inserts to
pre-populate prev events during room creation, reducing the number of
queries required to create a room.
Signed off by Nick @ Beeper (@Fizzadar)
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return `Tuple[Codes, dict]` (#13044)
Signed-off-by: David Teller <davidt@element.io>
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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The field name was simply incorrect, leading to errors.
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We want to be as up to date as possible, and sleeping doesn't help here
and can mean we fall behind.
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* Fix appservice EDUs failing to send if the EDU doesn't have a room ID
As is in the case of presence.
* changelog
* linter
* fix linter again
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See the documentation for the property here:
https://github.com/editorconfig/editorconfig/wiki/EditorConfig-Properties#max_line_length
Signed-off-by: Sumner Evans <me@sumnerevans.com>
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Fixes #13196
Broke by #13005
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room creation (#13197)
Complement tests: https://github.com/matrix-org/complement/pull/405
This happens when you have some messages imported before the room is created.
Then use MSC3030 to look backwards before the room creation from a remote
federated server. The server won't find anything locally, but will ask over
federation which will have the remote event. The previous logic would
choke on not having the local event assigned.
```
Failed to fetch /timestamp_to_event from hs2 because of exception(UnboundLocalError) local variable 'local_event' referenced before assignment args=("local variable 'local_event' referenced before assignment",)
```
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Complement. (#13158)
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All tests are prefixed with `STALE_` and therefore they are silently
skipped. They were moved to `STALE_` in version `v0.5.0` in commit
2fcce3b3c508 - `Remove stale tests`.
Tests from `RoomEventsStoreTestCase` class are not used for last 8
years, I believe the best would be to remove them entirely.
Signed-off-by: Petr Vaněk <arkamar@atlas.cz>
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Bounce recalculation of current state to the correct event persister and
move recalculation of current state into the event persistence queue, to
avoid concurrent updates to a room's current state.
Also give recalculation of a room's current state a real stream
ordering.
Signed-off-by: Sean Quah <seanq@matrix.org>
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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: David Robertson <davidr@element.io>
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Postgres, as `VACUUM`s must not be performed between runs of the script. (#13195)
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contain an event id. (#13174)
Method `_get_state_map_for_room` seems to break in presence of some ill-formed events in the database. Reimplementing this method to use `get_current_state`, which is more robust to such events.
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This happened if we encountered a stream ordering in `event_push_actions` that had more rows than the batch size of the delete, as If we don't delete any rows in an iteration then the next time round we get the exact same stream ordering and get stuck.
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Whenever we want to persist an event, we first compute an event context,
which includes the state at the event and a flag indicating whether the
state is partial. After a lot of processing, we finally try to store the
event in the database, which can fail for partial state events when the
containing room has been un-partial stated in the meantime.
We detect the race as a foreign key constraint failure in the data store
layer and turn it into a special `PartialStateConflictError` exception,
which makes its way up to the method in which we computed the event
context.
To make things difficult, the exception needs to cross a replication
request: `/fed_send_events` for events coming over federation and
`/send_event` for events from clients. We transport the
`PartialStateConflictError` as a `409 Conflict` over replication and
turn `409`s back into `PartialStateConflictError`s on the worker making
the request.
All client events go through
`EventCreationHandler.handle_new_client_event`, which is called in
*a lot* of places. Instead of trying to update all the code which
creates client events, we turn the `PartialStateConflictError` into a
`429 Too Many Requests` in
`EventCreationHandler.handle_new_client_event` and hope that clients
take it as a hint to retry their request.
On the federation event side, there are 7 places which compute event
contexts. 4 of them use outlier event contexts:
`FederationEventHandler._auth_and_persist_outliers_inner`,
`FederationHandler.do_knock`, `FederationHandler.on_invite_request` and
`FederationHandler.do_remotely_reject_invite`. These events won't have
the partial state flag, so we do not need to do anything for then.
The remaining 3 paths which create events are
`FederationEventHandler.process_remote_join`,
`FederationEventHandler.on_send_membership_event` and
`FederationEventHandler._process_received_pdu`.
We can't experience the race in `process_remote_join`, unless we're
handling an additional join into a partial state room, which currently
blocks, so we make no attempt to handle it correctly.
`on_send_membership_event` is only called by
`FederationServer._on_send_membership_event`, so we catch the
`PartialStateConflictError` there and retry just once.
`_process_received_pdu` is called by `on_receive_pdu` for incoming
events and `_process_pulled_event` for backfill. The latter should never
try to persist partial state events, so we ignore it. We catch the
`PartialStateConflictError` in `on_receive_pdu` and retry just once.
Refering to the graph of code paths in
https://github.com/matrix-org/synapse/issues/12988#issuecomment-1156857648
may make the above make more sense.
Signed-off-by: Sean Quah <seanq@matrix.org>
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* Cast to postgres types when handling postgres db
* Remove unused method
* Easy annotations
* Annotate create_room
* Use `ParamSpec` to annotate looping_call
* Annotate `default_config`
* Track `now` as a float
`time_ms` returns an int like the proper Synapse `Clock`
* Introduce a `Timer` dataclass
* Introduce a Looper type
* Suppress checking of a mock
* tests.utils is typed
* Changelog
* Whoops, import ParamSpec from typing_extensions
* ditch the psycopg2 casts
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a profile set (#13131)
Fix https://github.com/matrix-org/synapse/issues/4778
Complement tests: https://github.com/matrix-org/complement/pull/399
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environment when using `complement.sh`. (#13152)
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This reverts commit dcc4e0621cc101271efc573600bd7591a12cea7c.
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Add a `-f` argument to `complement.sh` to skip the docker build
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* Extra validation for rest/client/account_data
This is a fairly simple endpoint and we did pretty well here.
* Changelog
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`_check_event_auth` is expected to raise `AuthError`s, so no need to log it
again.
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When we receive an event over federation during a faster join, there is no need
to wait for full state, since we have a whole reconciliation process designed
to take the partial state into account.
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Signed-off-by: Jacek Kusnierz <jacek.kusnierz@tum.de>
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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configuration manual (#13077)
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documentation page (#13139)
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Completes type hints for synapse.logging.scopecontextmanager and (partially)
for synapse.logging.opentracing.
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in CPU-constrained environments. (#13127)
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
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Co-authored-by: reivilibre <oliverw@matrix.org>
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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
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Signed-off-by: Moritz Stückler <moritz.stueckler@gmail.com>
Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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Signed-off-by: jejo86 <28619134+jejo86@users.noreply.github.com>
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* Make _iterate_over_text easier to read by using simple data structures
* Prefer a set of tags to ignore
In my tests, it's 4x faster to check for containment in a set of this size
* Add a stack size limit to _iterate_over_text
* Continue accepting the case where there is no body element
* Use an early return instead for None
Co-authored-by: Richard van der Hoff <richard@matrix.org>
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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
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endpoints (#12944)
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in Synapse workers' Supervisord blocks. (#13054)
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
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This API no longer exists.
Signed-off-by: Aaron Raimist <aaron@raim.ist>
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the configuation file. (#13076)
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* Extend the auth rule checks for `m.room.create` events
... and move them up to the top of the function. Since the no auth_events are
allowed for m.room.create events, we may as well get the m.room.create event
checks out of the way first.
* Add a test for create events with prev_events
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* Fix type error introduced accidentally by #13045
* Newsfile
Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>
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(#13045)
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rooms. (#13062)
Signed-off-by: Quentin Gliech <quenting@element.io>
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When we fail to persist a federation event, we kick off a task to remove
its push actions in the background, using the current logging context.
Since we don't `await` that task, we may finish our logging context
before the task finishes. There's no reason to not `await` the task, so
let's do that.
Signed-off-by: Sean Quah <seanq@matrix.org>
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tests. (#13071)
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Pull out `twitter:` meta tags when generating a preview and
use it to augment any `og:` meta tags.
Prefers Open Graph information over Twitter card information.
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If no database is configured explicitly, use sqlite.
This means that you don't have to pass any variables into the image.
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Co-authored-by: David Robertson <david.m.robertson1@gmail.com>
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locally. (#13073)
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* Add auth events to events used in tests
* Move some event auth checks out to a different method
Some of the event auth checks apply to an event's auth_events, rather than the
state at the event - which means they can play no part in state
resolution. Move them out to a separate method.
* Rename check_auth_rules_for_event
Now it only checks the state-dependent auth rules, it needs a better name.
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linking. (#13055)
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Signed-off-by: Sean Quah <seanq@element.io>
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easier to read. (#13057)
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Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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Fixes #11887 hopefully.
The core change here is that `event_push_summary` now holds a summary of counts up until a much more recent point, meaning that the range of rows we need to count in `event_push_actions` is much smaller.
This needs two major changes:
1. When we get a receipt we need to recalculate `event_push_summary` rather than just delete it
2. The logic for deleting `event_push_actions` is now divorced from calculating `event_push_summary`.
In future it would be good to calculate `event_push_summary` while we persist a new event (it should just be a case of adding one to the relevant rows in `event_push_summary`), as that will further simplify the get counts logic and remove the need for us to periodically update `event_push_summary` in a background job.
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(#13069)
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to read. (#13058)
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enough in some cases. (#13018)
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* Remove redundant references to `event_edges.room_id`
We don't need to care about the room_id here, because we are already checking
the event id.
* Clean up the event_edges table
We make a number of changes to `event_edges`:
* We give the `room_id` and `is_state` columns defaults (null and false
respectively) so that we can stop populating them.
* We drop any rows that have `is_state` set true - they should no longer
exist.
* We drop any rows that do not exist in `events` - these should not exist
either.
* We drop the old unique constraint on all the colums, which wasn't much use.
* We create a new unique index on `(event_id, prev_event_id)`.
* We add a foreign key constraint to `events`.
These happen rather differently depending on whether we are on Postgres or
SQLite. For SQLite, we just rebuild the whole table, copying only the rows we
want to keep. For Postgres, we try to do things in the background as much as
possible.
* Stop populating `event_edges.room_id` and `is_state`
We can just rely on the defaults.
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* Rename test_fedclient to match its source file
* Require at least one destination to be truthy
* Explicitly validate user ID in profile endpoint GETs
Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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simplify the access token verification logic. (#12986)
This simplifies the access token verification logic by removing the `rights`
parameter which was only ever used for the unsubscribe link in email
notifications. The latter has been moved under the `/_synapse` namespace,
since it is not a standard API.
This also makes the email verification link more secure, by embedding the
app_id and pushkey in the macaroon and verifying it. This prevents the user
from tampering the query parameters of that unsubscribe link.
Macaroon generation is refactored:
- Centralised all macaroon generation and verification logic to the
`MacaroonGenerator`
- Moved to `synapse.utils`
- Changed the constructor to require only a `Clock`, hostname, and a secret key
(instead of a full `Homeserver`).
- Added tests for all methods.
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* Fix Complement runs always being Postgres
* Newsfile
Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>
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`synapse.api.auth.Auth`. (#13021)
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return `Union[Allow, Codes]`. (#12857)
Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
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