@piggly/fastify-chassis/dist/esm/middlewares/BasicAuthMiddleware.js

An ESM/CommonJS toolkit to help you to do common operations in your back-end applications with Fastify and NodeJS.

import { UnauthorizedAccessEvent } from '../events/index.js';
import { UnauthorizedError } from '../errors/index.js';
import { getBasicToken } from '../utils/index.js';
/**
 * BasicAuthMiddleware is a middleware that checks if the request
 * is authenticated using Basic Authentication.
 *
 * If request is not authenticated, it will:
 * - Publish UnauthorizedAccessEvent.
 * - Return UnauthorizedError.
 *
 * @param {Object} expected - The expected username and password.
 * @param {string} expected.username - The expected username.
 * @param {string} expected.password - The expected password.
 * @returns The middleware function.
 * @since 1.0.0
 * @author Caique Araujo <caique@piggly.com.br>
 */
export const BasicAuthMiddleware = (expected) => (request, reply, done) => {
    const auth = getBasicToken(request.headers);
    if (auth === undefined) {
        UnauthorizedAccessEvent.publish(request);
        done(new UnauthorizedError());
        return;
    }
    const { password, username } = auth;
    if (username !== expected.username || password !== expected.password) {
        UnauthorizedAccessEvent.publish(request);
        done(new UnauthorizedError());
        return;
    }
    done();
};
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