yaak-mountain-loop/plugins/auth-basic/src/index.ts

import type { PluginDefinition } from "@yaakapp/api";

export const plugin: PluginDefinition = {
  authentication: {
    name: "basic",
    label: "Basic Auth",
    shortLabel: "Basic",
    args: [
      {
        type: "text",
        name: "username",
        label: "Username",
        optional: true,
      },
      {
        type: "text",
        name: "password",
        label: "Password",
        optional: true,
        password: true,
      },
    ],
    async onApply(_ctx, { values }) {
      const username = values.username ?? "";
      const password = values.password ?? "";
      const value = `Basic ${Buffer.from(`${username}:${password}`).toString("base64")}`;
      return { setHeaders: [{ name: "Authorization", value }] };
    },
  },
};