INNER CODE UNIT · JavaScript

clientIp

bostrot/wsl2-distro-manager · n8n/licensing/seat_check.js:48

function clientIp(headers) {
  const h = headers || {};
  const forwarded = String(h['x-forwarded-for'] || '').split(',')[0].trim();
  return String(h['cf-connecting-ip'] || h['x-real-ip'] || forwarded || 'unknown');
}

// Whatever the app sends, stored as at most 64 safe characters.
function normalizeDeviceId(value) {
  if (typeof value !== 'string') return null;
  const id = value.trim();
  if (!id || id.length > 64 || !/^[A-Za-z0-9._:-]+$/.test(id)) return null;
  return id;
}

function seatCount(row) {
  const n = Math.floor(Number(row.seats));
  return Number.isFinite(n) && n >= 1 ? n : 1;
}

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