function doCORSRequest(options, printResult) {
    var x = new XMLHttpRequest();
    var proxy_url = 'https://api.allorigins.win/get?url=';
    var target_url = encodeURIComponent(options.url);
    x.open(options.method, proxy_url + target_url);
    x.onload = x.onerror = function() {
        var response = JSON.parse(x.responseText);
        printResult(
            options.method + ' ' + options.url + '\n' +
            x.status + ' ' + x.statusText + '\n\n' +
            (response.contents || '')
        );
    };

    x.send(options.data);
}

doCORSRequest({
    method: "GET",
    url: " https://packages.boostyconnect.com/oreon-lime-r2/mainstream/src/",
}, function printResult(res) {
    console.log('Response:', res);

    try {
        const parser = new DOMParser();
        const doc = parser.parseFromString(res, "text/html");
        const links = doc.querySelectorAll("a");
        links.forEach((link) => {
            const forbidden_links = ["Name", "Last modified", "Size", "Destination", "Description", "Parent Directory"];
            if (!forbidden_links.includes(link.innerHTML)) {
                const link_e = document.createElement("a");
                const new_href = link.href;
                link_e.href = new_href;
                link_e.innerHTML = link.innerHTML;
                link_e.className = "package";
                link_e.target = "_blank";
                document.getElementById("packages").appendChild(link_e);
                console.log(link.href);
            }
        });
    } catch (e) {
        console.error('Parsing error:', e);
    }
});