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Correct artifact file and empty input handling

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Eric Rakestraw
2026-08-11 22:41:37 +00:00
parent 731b66cff5
commit a04a3bbc5f
6 changed files with 392 additions and 129 deletions
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docs/internal/sources.md
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@@ -79,10 +79,17 @@ are owned by the
## Ordinary Artifacts
`internal/artifact` resolves inline references and unrestricted,
caller-selected file paths. It copies content into an artifact, records
metadata and a content hash, applies a content-type fallback, and honors
context cancellation.
`internal/artifact` accepts explicitly typed inline references even when their
body is empty. It also resolves unrestricted, caller-selected paths only when
they identify regular operating-system files, checking that condition before
and after opening the file. It copies content into an artifact, records
metadata and an opaque content-equality value, and applies a content-type
fallback.
Regular files are read synchronously in bounded chunks. Cancellation is
checked before opening, before and after every read, and before publishing the
artifact, so a canceled read never publishes partial content. The ordinary
reader does not detach file reads into background goroutines.
This ordinary reader does not implement an inbound HTTP security boundary. In
particular, it does not constrain files to an application root or impose an