| Commit message (Collapse) | Author | Age | Files | Lines |
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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.
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Results in:
```
AssertionError: null
File "synapse/http/server.py", line 332, in _async_render_wrapper
callback_return = await self._async_render(request)
File "synapse/http/server.py", line 544, in _async_render
callback_return = await raw_callback_return
File "synapse/federation/transport/server/_base.py", line 369, in new_func
response = await func(
File "synapse/federation/transport/server/federation.py", line 826, in on_GET
await self.media_repo.get_local_media(
File "synapse/media/media_repository.py", line 473, in get_local_media
await respond_with_multipart_responder(
File "synapse/media/_base.py", line 353, in respond_with_multipart_responder
assert content_length is not None
```
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We do this by reading from a threadpool, rather than blocking the main
thread.
This is broadly what we do in the [S3 storage
provider](https://github.com/matrix-org/synapse-s3-storage-provider/blob/main/s3_storage_provider.py#L234)
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Fixes up #17239
We need to keep the spam check within the `try/except` block. Also makes
it so that we don't enter the top span twice.
Also also ensures that we get the right thumbnail length.
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When a module rejects a piece of media we end up trying to close the
same logging context twice.
Instead of fixing the existing code we refactor to use an async context
manager, which is easier to write correctly.
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During the migration the automated script to update the copyright
headers accidentally got rid of some of the existing copyright lines.
Reinstate them.
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A lot of the functions have the same name in this space like `store_file`,
and we also do it multiple times for different reasons (main media repo,
other storage providers, thumbnails, etc) so it's good to differentiate
them so your head doesn't explode.
Follow-up to https://github.com/matrix-org/synapse/pull/15850
Tracing instrumentation to media `/upload` code paths to investigate https://github.com/matrix-org/synapse/issues/15841
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Add tracing instrumentation to media `/upload` code paths to investigate https://github.com/matrix-org/synapse/issues/15841
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* Removes the `v1` directory from `test.rest.media.v1`.
* Moves the non-REST code from `synapse.rest.media.v1` to `synapse.media`.
* Flatten the `v1` directory from `synapse.rest.media`, but leave compatiblity
with 3rd party media repositories and spam checkers.
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