basic-auth-for-vercel-middleware/build/BasicAuth.js

Basic Authentication for vercel middleware

import { next } from "@vercel/edge";
const unauthorized = (body) => {
    return new Response(body, {
        status: 401,
        statusText: "'Authentication required.'",
        headers: {
            "WWW-Authenticate": 'Basic realm="User Visible Realm"',
        },
    });
};
const createBasicAuthHandler = (authInfo, unauthorizedText = "Authentication required.", skip = false) => {
    return (request) => {
        if (skip === true || (typeof skip === "function" && skip(request)))
            return next();
        const authorization = request.headers.get("Authorization");
        if (authorization) {
            const [_, basicAuth] = authorization.split(" ");
            const [user, password] = atob(basicAuth).toString().split(":");
            if (user === authInfo.name && password === authInfo.password)
                return next();
        }
        return unauthorized(unauthorizedText);
    };
};
export default createBasicAuthHandler;