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Michael Anderson e65b97e239 Model downloads: Time out and cancel the name lookup (#1532 )

The host name lookup blocked with no deadline before the cancel check, and each address then got the full connect timeout. The lookup now runs on a helper thread under the connect deadline, which all addresses share.

2026-10-14 13:56:34 -05:00

src

Model downloads: Time out and cancel the name lookup (#1532 )

2026-10-14 13:56:34 -05:00

Cargo.toml

Fetch: the model downloader is its own crate, lightcraft-fetch

2026-10-07 12:07:24 -04:00

README.md

Fetch: refuse a redirect from https to http (#1531 )

2026-10-13 16:35:28 +02:00

README.md

lightcraft-fetch

Native model downloads in pure Rust (L0, Apache-2.0): HTTP/1.1 over std sockets and rustls with the RustCrypto provider, without ring, aws-lc, C or assembly build dependencies. The wasm32 crate is empty.

Call download with bounded file specifications and ordered mirrors, or download_url for an exact catalog URL (including its query). Each file has a local filename independent of the URL, a size cap and optional pinned size/SHA-256. Transfers resume pinned .part files, verify before renaming, report progress and check cancellation during reads. Run on a worker thread. No proxy support; DNS resolution uses the platform resolver. Tokens are off by default and never forwarded to a different redirect host. A redirect from https to http is refused.

Tests use local synthetic HTTP servers for redirects, resume, truncation, cancellation, stalls, hashes, size limits and hostile specifications; they make no internet requests.