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Huang Xin 0b18de0581 feat(send): Send to Readest — multi-channel capture into your library (#4230)
* feat(send): Send to Readest — multi-channel capture into your library

A Send-to-Kindle equivalent: email, web-upload, share, or one-click
capture books and articles into the cloud library; they sync to every
device.

Architecture (client-side processing): out-of-app channels drop a raw
payload into a per-user send_inbox; Readest clients drain it through one
shared ingestService.ingestFile(). The server never parses or converts.

- ingestService.ingestFile() — channel-agnostic import orchestration
  extracted from library/page.tsx (DI-based, forceUpload support).
- send_addresses / send_allowed_senders / send_inbox tables + RLS + 4
  SECURITY DEFINER claim/lease RPCs (migration 012_send_to_readest.sql).
- Conversion subsystem (DOCX/RTF/HTML/article/TXT -> EPUB) in a Web Worker.
- send-email Cloudflare Email Worker; inbox-drainer controller +
  useInboxDrainer hook; /api/send/* routes.
- Send to Readest settings panel: inbound address, approved-sender
  allowlist, recent activity, per-device drain toggle.
- /send web page (file drop + article URL) + SSRF-guarded fetch-url proxy.
- OS-shared files routed through ingestFile; Manifest V3 browser extension.

Security: inbox state changes only via SECURITY DEFINER RPCs (clients get
SELECT-only on send_inbox); approved-sender allowlist gates email;
SSRF guard on the one server-side URL fetch; inbox payload signed URLs
authorize against send_inbox.user_id.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* chore: run format:check in the pre-push hook

Biome format checking is fast (~0.4s), so gate pushes on it too — catches
mis-formatted files that bypassed the staged-only pre-commit hook before
they reach CI.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(send): address CodeQL security findings

- ReDoS (senders.ts): the email regex had ambiguous quantifiers around
  the literal dot. Rewrote it linear-time (domain labels exclude '.')
  and cap the input at 254 chars.
- XSS (convertToEpub.ts): run untrusted HTML through DOMPurify
  (sanitizeForParsing — keeps document structure) before DOMParser, so
  title extraction and Readability never parse executable markup.
- SSRF (fetch-url.ts): harden the host guard — block bare single-label
  hostnames, IPv4-mapped IPv6, CGNAT/benchmark/multicast ranges, and the
  unspecified address. DNS rebinding stays a documented residual risk.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-19 20:06:52 +02:00
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