headplane/app/server/headscale/api/endpoints/policy.ts

import { defineApiEndpoints } from "../factory";

export interface PolicyEndpoints {
  /**
   * Retrieves the current ACL policy from the Headscale instance.
   *
   * @returns The ACL policy as a string and the date it was last updated.
   */
  getPolicy(): Promise<{ policy: string; updatedAt: Date | null }>;

  /**
   * Sets the ACL policy for the Headscale instance.
   *
   * @param policy The ACL policy as a string.
   * @returns The updated ACL policy as a string and the date it was last updated.
   */
  setPolicy(policy: string): Promise<{ policy: string; updatedAt: Date }>;
}

export default defineApiEndpoints<PolicyEndpoints>((client, apiKey) => ({
  getPolicy: async () => {
    const { policy, updatedAt } = await client.apiFetch<{
      policy: string;
      updatedAt: string;
    }>("GET", "v1/policy", apiKey);

    return {
      policy,
      updatedAt: updatedAt !== null ? new Date(updatedAt) : null,
    };
  },

  setPolicy: async (policy) => {
    const { policy: newPolicy, updatedAt } = await client.apiFetch<{
      policy: string;
      updatedAt: string;
    }>("PUT", "v1/policy", apiKey, { policy });

    return { policy: newPolicy, updatedAt: new Date(updatedAt) };
  },
}));