nextcloud / passman-webextension

function processURL(URL, ignoreProtocol, ignoreSubdomain, ignorePath, ignorePort) {

    if (URL === null || URL === "") {

        return URL;

    }

    var parser = document.createElement('a');

    parser.href = URL;

    var protocol = parser.protocol;

    var host = parser.hostname;

    var path = parser.pathname;

    var port = parser.port;

    if (host === null || host === "") {

        return URL;

    }

    var splittedURL = host.split(".");

    var isIP = false;

    if (splittedURL.length === 4) {

        isIP = true;

        for (var i = 0; i < splittedURL.length; i++) {

            if (isNaN(splittedURL[i]) || splittedURL[i] < 0 || splittedURL[i] > 255) {

                isIP = false;

                break;

            }

        }

    }

    var baseHost = null;

    if (isIP) {

        baseHost = host;

    }

    else {

        var tld = parse_host(host);

        if(tld) {

            baseHost = tld.domain;

        }

    }

    var returnURL = "";

    if (!ignoreProtocol) {

        returnURL += protocol + "//";

    }

    if (!ignoreSubdomain) {

        returnURL += host;

    }

    else {

        returnURL += baseHost;//return the hostname and the tld of the website if ignoreSubdomain is check

    }

    if (ignorePort) {

        if (port) {

            returnURL = returnURL.replace(':' + port, '');

        }

    } else {

        if (port) {

            returnURL += ':' + port;

        }

    }

    if (!ignorePath && path !== null && path) {

        returnURL += path;

    }

    if (returnURL.slice(-1) === "/") {

        returnURL = returnURL.slice(0, -1);

    }

    return returnURL;

}