Files
picpeak/backend
Paul Nothaft 839bf4e464 fix(security): close four middleware gaps around the API edge
- maintenance mode classified paths case-sensitively while Express routes
  case-insensitively, so /API/... walked past the gate
- the general rate limiter skipped anyone holding any verified JWT; a
  gallery token is minted for free on password-less galleries and slideshow
  links, so that was an unlimited budget for every /api route. Only admin
  sessions skip now
- ?admin_preview=1 trusted a verified signature alone; it now applies the
  same revocation, restore-cutoff, deactivation and password-change checks
  adminAuth does, and reveal-mode reads the verified flag instead of
  re-decoding the token
- the 50mb JSON limit is scoped to /api/admin and /api/v1; everything else
  gets 2mb, so an unauthenticated body can no longer stall JSON.parse
- the CSRF Content-Type gate accepted multipart from any origin; cross-site
  form posts are now rejected via Sec-Fetch-Site / Origin, with a Host match
  fallback for same-origin installs that leave FRONTEND_URL unset
2026-09-03 10:51:53 +02:00
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