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Document media hashing changes #18296

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Merged
merged 3 commits into from
Apr 1, 2025
Merged

Document media hashing changes #18296

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f2652f7
Add a line about media hashing
Half-Shot Mar 31, 2025
0330fc2
add changelog
Half-Shot Mar 31, 2025
673c8f2
Iterate over the various things that get quarantined.
Half-Shot Mar 31, 2025
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1 change: 1 addition & 0 deletions changelog.d/18296.doc
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@@ -0,0 +1 @@
Hashes of media files are now tracked by Synapse. Media quarantines will now apply to all files with the same hash.
8 changes: 8 additions & 0 deletions docs/admin_api/media_admin_api.md
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Expand Up @@ -46,6 +46,14 @@ to any local media, and any locally-cached copies of remote media.

The media file itself (and any thumbnails) is not deleted from the server.

Since Synapse 1.128.0, hashes of uploaded media are tracked. If this media
is quarantined, Synapse will:

- Quarantine any media with a matching hash that has already been uploaded.
- Quarantine any future media.
- Quarantine any existing cached remote media.
- Quarantine any future remote media.

## Quarantining media by ID

This API quarantines a single piece of local or remote media.
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