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feat(12-01): record multipart uploads and match Winter upload URLs

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- attach.PublicURL and (*File).URL build Winter File::getPath() URLs; the
  thumbnailer decodes webp via golang.org/x/image v0.46.0 and checks the
  image size from the header before decoding
- tide requests carry multipart parts (files beside the fixture pinned by
  sha256) encoded with the fixed MultipartBoundary, so PHP and Go receive
  byte-identical bodies
- tide masks the random partition, disk name and file id of url/thumb_url
  upload URLs while still diffing prefix, size, mode and extension, and
  NormalizePublications masks Carbon dates in the published album
This commit is contained in:
Jakub Zych
2026-10-02 11:33:42 +02:00
parent f9b7f2ea33
commit e06e0cc8bf
19 changed files with 870 additions and 34 deletions
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14
docs/services/storage.md
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@@ -23,7 +23,19 @@ uploads:
public_path_prefix: /storage/uploads
```
Files are laid out as WinterCMS lays out its uploads disk, so a copy of a WinterCMS `storage/app/uploads/public` directory can serve as the bucket after a port. `public_path_prefix` is the URL prefix that file and thumbnail URLs start with.
Files are laid out as WinterCMS lays out its uploads disk, so a copy of a WinterCMS `storage/app/uploads/public` directory can serve as the bucket after a port. `public_path_prefix` is the URL prefix that file and thumbnail URLs start with. `attach.PublicURL` builds the URL of any blob key from it, and `attach.File.URL` the URL of an original.
### The WinterCMS layout
A port whose clients already store or compare upload URLs keeps WinterCMS's URLs too. WinterCMS serves public uploads from `storage/app/uploads/public` under the URL path `/storage/app/uploads/public` (`cms.storage.uploads.path` plus `/public`). Root the bucket at that directory and use the same prefix:
```yaml
uploads:
bucket_url: file://./storage/app/uploads/public
public_path_prefix: /storage/app/uploads/public
```
An original then has the URL `/storage/app/uploads/public/<partition>/<disk_name>`, as WinterCMS's `File::getPath()` returns, and a 200 by 200 cropped thumbnail `/storage/app/uploads/public/<partition>/thumb_<id>_200_200_0_0_crop.<ext>`, as `getThumb()` returns. The framework default stays `/storage/uploads`, so only an application that sets these keys changes its URLs.
Application code gets the bucket with `app.Lookup[*blob.Bucket]()` and reads and writes it through the `gocloud.dev/blob` API. Model attachments, thumbnails and deleting files after commit are covered in [Attachments](../database/attachments.md).