Create DNS Firewall Cluster

type Cloudflare = {

  token: string;

  email: string;

  key: string;

};

/**

 * Create DNS Firewall Cluster

 * Create a configured DNS Firewall Cluster.

 */

export async function main(

  auth: Cloudflare,

  account_identifier: string,

  body: {

    attack_mitigation?: {

      enabled?: boolean;

      only_when_origin_unhealthy?: { [k: string]: unknown };

      only_when_upstream_unhealthy?: boolean;

      [k: string]: unknown;

    };

    deprecate_any_requests?: boolean;

    ecs_fallback?: boolean;

    maximum_cache_ttl?: number;

    minimum_cache_ttl?: number;

    name: string;

    negative_cache_ttl?: number;

    origin_ips?: { [k: string]: unknown };

    ratelimit?: number;

    retries?: number;

    upstream_ips: (string | string)[];

    [k: string]: unknown;

  }

) {

  const url = new URL(

    `https://api.cloudflare.com/client/v4/accounts/${account_identifier}/dns_firewall`

  );

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "X-AUTH-EMAIL": auth.email,

      "X-AUTH-KEY": auth.key,

      "Content-Type": "application/json",

      Authorization: "Bearer " + auth.token,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.json();

}