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Matthew Meszaros 368c1f7886 infra(storage): Store interface + Filesystem impl + S3-compatible factory
One Store interface (Get/Put/Delete/Has/PresignedGetURL/Name) covers
both the AWS S3 client (now exposes high-level methods alongside the
legacy embedded *s3.Client) and a new FilesystemStore for self-hosters.

FilesystemStore writes atomically via temp-file + rename, rejects '..'
in keys before path normalization, returns ErrUnsupported from
PresignedGetURL.

The S3 impl works against AWS S3, MinIO, Cloudflare R2, Backblaze B2,
and Hetzner Object Storage via standard AWS endpoint-URL config.

Factory NewFromEnv selects via BLOB_PROVIDER (defaults to s3).

14 tests cover round-trip, ErrNotFound, atomic-write cleanup, traversal
rejection, factory env-selection paths.
2026-05-27 14:41:40 +00:00
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2026-01-17 14:11:14 +00:00