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cryptography (#9697)
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Fixes https://github.com/matrix-org/synapse/issues/9572
When a SSO user logs in for the first time, we create a local Matrix user for them. This goes through the register_user flow, which ends up triggering the spam checker. Spam checker modules don't currently have any way to differentiate between a user trying to sign up initially, versus an SSO user (whom has presumably already been approved elsewhere) trying to log in for the first time.
This PR passes `auth_provider_id` as an argument to the `check_registration_for_spam` function. This argument will contain an ID of an SSO provider (`"saml"`, `"cas"`, etc.) if one was used, else `None`.
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Co-authored-by: Will Hunt <willh@matrix.org>
Co-authored-by: Erik Johnston <erik@matrix.org>
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* Handle an empty cookie as an invalid macaroon.
* Newsfragment
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The stable format uses different brand identifiers, so we need to support two
identifiers for each IdP.
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... and complain if people try to turn it off.
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There's no need to do aggregation bundling for state events. Doing so can cause performance issues.
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* Fix Internal Server Error on `GET /saml2/authn_response`
Seems to have been introduced in #8765 (Synapse 1.24.0)
* Fix newsfile
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Federation catch up mode is very inefficient if the number of events
that the remote server has missed is small, since handling gaps can be
very expensive, c.f. #9492.
Instead of going into catch up mode whenever we see an error, we instead
do so only if we've backed off from trying the remote for more than an
hour (the assumption being that in such a case it is more than a
transient failure).
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Background: When we receive incoming federation traffic, and notice that we are missing prev_events from
the incoming traffic, first we do a `/get_missing_events` request, and then if we still have missing prev_events,
we set up new backwards-extremities. To do that, we need to make a `/state_ids` request to ask the remote
server for the state at those prev_events, and then we may need to then ask the remote server for any events
in that state which we don't already have, as well as the auth events for those missing state events, so that we
can auth them.
This PR attempts to optimise the processing of that state request. The `state_ids` API returns a list of the state
events, as well as a list of all the auth events for *all* of those state events. The optimisation comes from the
observation that we are currently loading all of those auth events into memory at the start of the operation, but
we almost certainly aren't going to need *all* of the auth events. Rather, we can check that we have them, and
leave the actual load into memory for later. (Ideally the federation API would tell us which auth events we're
actually going to need, but it doesn't.)
The effect of this is to reduce the number of events that I need to load for an event in Matrix HQ from about
60000 to about 22000, which means it can stay in my in-memory cache, whereas previously the sheer number
of events meant that all 60K events had to be loaded from db for each request, due to the amount of cache
churn. (NB I've already tripled the size of the cache from its default of 10K).
Unfortunately I've ended up basically C&Ping `_get_state_for_room` and `_get_events_from_store_or_dest` into
a new method, because `_get_state_for_room` is also called during backfill, which expects the auth events to be
returned, so the same tricks don't work. That said, I don't really know why that codepath is completely different
(ultimately we're doing the same thing in setting up a new backwards extremity) so I've left a TODO suggesting
that we clean it up.
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If more transactions arrive from an origin while we're still processing the
first one, reject them.
Hopefully a quick fix to https://github.com/matrix-org/synapse/issues/9489
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Put the room id in the logcontext, to make it easier to understand what's going on.
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Fixes: #8393
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... because namedtuples suck
Fix up a couple of other annotations to keep mypy happy.
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We either need to pass the auth provider over the replication api, or make sure
we report the auth provider on the worker that received the request. I've gone
with the latter.
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Mention that parse_config must exist and note the
check_media_file_for_spam method.
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This uses a simplified version of get_chain_cover_difference to calculate
auth chain of events.
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This is a companion change to apply the fix in #9498 /
922788c6043138165c025c78effeda87de842bab to previously
purged rooms.
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Earlier [I was convinced](https://github.com/matrix-org/synapse/issues/9565) that we didn't have an Admin API for listing media uploaded by a user. Foolishly I was looking under the Media Admin API documentation, instead of the User Admin API documentation.
I thought it'd be helpful to link to the latter so others don't hit the same dead end :)
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Apple had to be special. They want a client secret which is generated from an EC key.
Fixes #9220. Also fixes #9212 while I'm here.
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Fixes #8915
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Type hint fixes due to Twisted 21.2.0 adding type hints.
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Properly uses RGBA mode for 1- and 8-bit images with transparency
(instead of RBG mode).
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The hashes are from commits due to auto-formatting, e.g. running black.
git can be configured to use this automatically by running the following:
git config blame.ignoreRevsFile .git-blame-ignore-revs
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After 0764d0c6e575793ca506cf021aff3c4b9e0a5972
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I noticed that I'd occasionally have `scripts-dev/lint.sh` fail when messing about with config options in my PR. The script calls `scripts-dev/config-lint.sh`, which attempts some validation on the sample config.
It does this by using `sed` to edit the sample_config, and then seeing if the file changed using `git diff`.
The problem is: if you changed the sample_config as part of your commit, this script will error regardless.
This PR attempts to change the check so that existing, unstaged changes to the sample_config will not cause the script to report an invalid file.
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token (#9559)
This notice is giving a heads up to the planned spec compliance fix https://github.com/matrix-org/synapse/pull/9548.
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Unfortunately this doesn't test re-joining the room since
that requires having another homeserver to query over
federation, which isn't easily doable in unit tests.
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interfaces. (#9528)
This helps fix some type hints when running with Twisted 21.2.0.
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Update reverse proxy to add OpenBSD relayd example configuration.
Signed-off-by: Leo Bärring <leo.barring@protonmail.com>
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Following the advice at
https://prometheus.io/docs/practices/instrumentation/#timestamps-not-time-since,
it's preferable to export unix timestamps, not ages.
There doesn't seem to be any particular naming convention for timestamp
metrics.
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Add prom metrics for number of users successfully registering and logging in, by SSO provider.
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This great big stack of commits is a a whole load of hoop-jumping to make it easier to store additional values in login tokens, and then to actually store the SSO Identity Provider in the login token. (Making use of that data will follow in a subsequent PR.)
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Should fix some remaining warnings
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Turns out matrix.org has an event that has duplicate auth events (which really isn't supposed to happen, but here we are). This caused the background update to fail due to `UniqueViolation`.
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Turns out nginx overwrites the Host header by default.
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Prevent presence background jobs from running when presence is disabled
Signed-off-by: Aaron Raimist <aaron@raim.ist>
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This reverts commit f5c93fc9931e4029bbd8000f398b6f39d67a8c46.
This is being backed out due to a regression (#9507) and additional
review feedback being provided.
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It landed in schema version 58 after 59 had been created, causing some
servers to not run it. The main effect of was that not all rooms had
their chain cover calculated correctly. After the BG updates complete
the chain covers will get fixed when a new state event in the affected
rooms is received.
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Fixes #9504
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By consuming the response if the headers imply that the
content is too large.
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This also pins the Twisted version in the mypy job for CI until
proper type hints are fixed throughout Synapse.
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In #75, bytecode was disabled (from a bit of FUD back in `python<2.4` days, according to dev chat), I think it's safe enough to enable it again.
Added in `__pycache__/` and `.pyc`/`.pyd` to `.gitignore`, to extra-insure compiled files don't get committed.
`Signed-off-by: Jonathan de Jong <jonathan@automatia.nl>`
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### Changes proposed in this PR
- Add support for the `no_proxy` and `NO_PROXY` environment variables
- Internally rely on urllib's [`proxy_bypass_environment`](https://github.com/python/cpython/blob/bdb941be423bde8b02a5695ccf51c303d6204bed/Lib/urllib/request.py#L2519)
- Extract env variables using urllib's `getproxies`/[`getproxies_environment`](https://github.com/python/cpython/blob/bdb941be423bde8b02a5695ccf51c303d6204bed/Lib/urllib/request.py#L2488) which supports lowercase + uppercase, preferring lowercase, except for `HTTP_PROXY` in a CGI environment
This does contain behaviour changes for consumers so making sure these are called out:
- `no_proxy`/`NO_PROXY` is now respected
- lowercase `https_proxy` is now allowed and taken over `HTTPS_PROXY`
Related to #9306 which also uses `ProxyAgent`
Signed-off-by: Timothy Leung tim95@hotmail.co.uk
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... otherwise, we don't get the cookie back.
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rewrite XForwardedForRequest to set `isSecure()` based on
`X-Forwarded-Proto`. Also implement `getClientAddress()` while we're here.
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This fixes #8518 by adding a conditional check on `SyncResult` in a function when `prev_stream_token == current_stream_token`, as a sanity check. In `CachedResponse.set.<remove>()`, the result is immediately popped from the cache if the conditional function returns "false".
This prevents the caching of a timed-out `SyncResult` (that has `next_key` as the stream key that produced that `SyncResult`). The cache is prevented from returning a `SyncResult` that makes the client request the same stream key over and over again, effectively making it stuck in a loop of requesting and getting a response immediately for as long as the cache keeps those values.
Signed-off-by: Jonathan de Jong <jonathan@automatia.nl>
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* Split ShardedWorkerHandlingConfig
This is so that we have a type level understanding of when it is safe to
call `get_instance(..)` (as opposed to `should_handle(..)`).
* Remove special cases in ShardedWorkerHandlingConfig.
`ShardedWorkerHandlingConfig` tried to handle the various different ways
it was possible to configure federation senders and pushers. This led to
special cases that weren't hit during testing.
To fix this the handling of the different cases is moved from there and
`generic_worker` into the worker config class. This allows us to have
the logic in one place and allows the rest of the code to ignore the
different cases.
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The idea here is to stop people forgetting to call `check_consistency`. Folks can still just pass in `None` to the new args in `build_sequence_generator`, but hopefully they won't.
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This confused me for a while.
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And ensure the consistency of `event_auth_chain_id`.
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`uploads_path` was a thing that was never used; most of it was removed in #6628
but a few vestiges remained.
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It should be possible to reload `synapse.target` to have the reload propagate
to all the synapse units.
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This PR remove the cache for the `get_shared_rooms_for_users` storage method (the db method driving the experimental "what rooms do I share with this user?" feature: [MSC2666](https://github.com/matrix-org/matrix-doc/pull/2666)). Currently subsequent requests to the endpoint will return the same result, even if your shared rooms with that user have changed.
The cache was added in https://github.com/matrix-org/synapse/pull/7785, but we forgot to ensure it was invalidated appropriately.
Upon attempting to invalidate it, I found that the cache had to be entirely invalidated whenever a user (remote or local) joined or left a room. This didn't make for a very useful cache, especially for a function that may or may not be called very often. Thus, I've opted to remove it instead of invalidating it.
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The user directory sample config section was a little messy, and didn't adhere to our [recommended config format guidelines](https://github.com/matrix-org/synapse/blob/develop/docs/code_style.md#configuration-file-format).
This PR cleans that up a bit.
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(#9402)
This PR attempts to eliminate unnecessary presence sending work when your local server joins a room, or when a remote server joins a room your server is participating in by processing state deltas in chunks rather than individually.
---
When your server joins a room for the first time, it requests the historical state as well. This chunk of new state is passed to the presence handler which, after filtering that state down to only membership joins, will send presence updates to homeservers for each join processed.
It turns out that we were being a bit naive and processing each event individually, and sending out presence updates for every one of those joins. Even if many different joins were users on the same server (hello IRC bridges), we'd send presence to that same homeserver for every remote user join we saw.
This PR attempts to deduplicate all of that by processing the entire batch of state deltas at once, instead of only doing each join individually. We process the joins and note down which servers need which presence:
* If it was a local user join, send that user's latest presence to all servers in the room
* If it was a remote user join, send the presence for all local users in the room to that homeserver
We deduplicate by inserting all of those pending updates into a dictionary of the form:
```
{
server_name1: {presence_update1, ...},
server_name2: {presence_update1, presence_update2, ...}
}
```
Only after building this dict do we then start sending out presence updates.
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