Function forwarded

packages/forwarded/src/index.ts:6–13

(req: Pick<IncomingMessage, 'headers' | 'connection'>)

 * Get all addresses in the request, using the `X-Forwarded-For` header.
 */
export function forwarded(req: Pick<IncomingMessage, 'headers' | 'connection'>) {
  // simple header parsing
  const proxyAddrs = parse((req.headers['x-forwarded-for'] as string) || '')
  const socketAddr = req.connection.remoteAddress

  // return all addresses
  return [socketAddr].concat(proxyAddrs)
}

/**
 * Parse the X-Forwarded-For header.