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thePR0M3TH3ANandClaude Opus 4.8
cf6a830183
Posting an external URL used to skip the torrent/webseed benefit entirely. Now the upload modal's external tab auto-derives a WebTorrent webseed from the URL at publish time: fetch the remote file (CORS-permitting), stream it under a hard size cap, compute the infoHash, and publish a magnet with the URL as the webseed (ws=). Best-effort — CORS failure / over the cap / any error silently degrades to URL-only. Only runs when the user didn't paste their own magnet. - js/utils/externalUrlTorrent.js: fetchBlobWithCap (streams with a 500 MB cap, aborts past it, short-circuits on content-length), buildWebseedMagnet, and deriveExternalUrlTorrent (reuses createTorrentMetadata). Pure + injectable → unit tested without network/WebTorrent. - mediaUploader.deriveTorrentForExternalUrl: derives the ws= magnet and, when storage is unlocked, also hosts the tiny .torrent so the webseed can actually bootstrap P2P (xs=) — best-effort, falls back to ws=-only. - UploadModal.handleExternalFlow calls it; deriveExternalWebseed only hosts the .torrent when storage is unlocked, shows progress on the submit button, and never throws. Tests: tests/external-url-torrent.test.mjs (9 — magnet assembly, name parsing, streamed size-cap enforcement + short-circuit, fetch-failed, derive-with-injected- hash, failure propagation). Lint + build green. Next: the same for editing a URL in the Edit modal. Co-Authored-By: Claude Opus 4.8 <[email protected]>