Function formatHostErrorMessage

packages/server/src/middleware/hostnames.ts:106–111

(host: string | undefined)

}

export function formatHostErrorMessage(host: string | undefined): string {
  const normalizedHost = host === undefined || host.length === 0 ? undefined : stripPort(host);
  const hostLabel = normalizedHost ?? '<missing>';
  const hostArg = normalizedHost ?? '<host>';
  return `Invalid Host header: ${hostLabel}; allow this host with KIMI_CODE_ALLOWED_HOSTS=${hostArg} or 'kimi server run --allowed-host ${hostArg}'.`;
}

/**
 * Decide whether a `Host` value is allowed under the given options.