// ==UserScript==
    // @run-at      document-start
    // @name        General URL Cleaner Revived
    // @name:ja     General URL Cleaner Revived
    // @namespace   https://greasyfork.org/en/users/594496-divided-by
    // @description Cleans URL's from various popular sites.
    // @description:ja Cleans URL's from various popular sites.
    // @include     https://www.newegg.com/*
    // @include     https://www.newegg.ca/*
    // @include     https://www.bing.com/*
    // @include     https://www.youtube.com/*
    // @include     https://www.imdb.com/*
    // @include     https://www.facebook.com/*
    // @include     https://disqus.com/embed/comments/*
    // @include     https://www.target.com/*
    // @include     /^https://[a-z]+\.amazon(\.com?)?\.[a-z]{2,3}/.*$/
    // @include     /^https?://[a-z]+\.google(\.com?)?\.[a-z]{2,3}/.*$/
    // @include     /^https://[a-z.]+\.ebay(desc)?(\.com?)?\.[a-z]{2,3}/.*$/
    // @include     /^https://[a-z0-9.]*twitter.com/.*$/
    // @include     /^https?://(www\.)?staticice\.com\.au/.*$/
    // @include     https://app.getpocket.com/*
    // @exclude     https://apis.google.com/*
    // @exclude     https://accounts.google.com/*
    // @exclude     https://support.google.com/*
    // @exclude     https://www.google.com/recaptcha/*
    // @exclude     https://hangouts.google.com/webchat/*
    // @exclude     https://gsuite.google.com/*
    // @exclude     https://calendar.google.com/*
    // @exclude     https://docs.google.com/spreadsheets/*
    // @exclude     https://takeout.google.com/*
    // @version     4.0.6
    // @license     GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
    // @contributionURL https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=dividedbyerror@gmail.com&item_name=Greasy+Fork+Donation
    // @contributionAmount $1
    // ==/UserScript==
     
    (() => {
     
    /*
     * Vars
     */
     
    var currHost = location.host;
    var currPath = location.pathname;
    var currSearch = location.search;
     
    var ebay = /^[a-z.]+\.ebay(desc)?(\.com?)?\.[a-z]{2,3}$/;
    var amazon = /^[a-z]+\.amazon\.com?(\.[a-z]{2,3})?$/;
    var google = /^[a-z]+\.google\.com?(\.[a-z]{2,3})?$/;
    var target = /^[a-z]+\.target\.com?(\.[a-z]{2,3})?$/;
     
    var amazonParams = /&(url|ie|pf_rd_[a-z]|bbn|rw_html_to_wsrp|ref_)=[^&#]*/;
    var neweggParams = /&(cm_sp|icid|ignorebbr)=[^&#]*/g;
    var imdbParams = /&(pf_rd_[a-z]|ref_)=[^&#]*/g;
    var bingParams = /&(go|qs|form|FORM|filt|pq|s[cpk]|qpvt|cvid)=[^&#]*/g;
    var youtubeParams = /&(feature|src_vid|annotation_id|[gh]l)=[^&#]*/g;
    var ebayParams = /&(_(o?sacat|odkw|from|trksid)|rt)=[^&#]*/g;
    var googleParams = /&(ved|source(id)?|s?ei|tab|tbo|h[ls]|authuser|n?um|ie|aqs|as_qdr|bav|bi[wh]|bs|bvm|cad|channel|complete|cp|s?client|d[pc]r|e(ch|msg|s_sm)|g(fe|ws)_rd|gpsrc|noj|btnG|o[eq]|p(si|bx|f|q)|rct|rlz|site|spell|tbas|usg|xhr|gs_[a-z]+)=[^&#]*/g;
    var twitterParams = /&(src|ref_src|ref_url|vertical|s)=[^&#]*/g;
    var targetParams = /&(preselect|lnk)=[^&#]*/g;
      var facebookParams = /&(set)=[^&#]*/g;
     
    /*
     * Main
     */
     
    if (currHost === 'www.bing.com') {
        setCurrUrl(cleanBing(currSearch));
        cleanLinks(parserAll);
        return;
    }
     
    if (currHost === 'www.youtube.com') {
        if (currPath === '/redirect')
            location.href = cleanYoutubeRedir(currSearch);
     
        if (currPath === '/watch')
            setCurrUrl(cleanYoutube(currSearch));
     
        cleanLinks(parserYoutube);
        return;
    }
     
    if (currHost.endsWith('.newegg.com') || currHost.endsWith('.newegg.ca')) {
        if (currSearch)
            setCurrUrl(cleanNewegg(currSearch));
     
        cleanLinks(parserNewegg);
        return;
    }
     
    if (currHost === 'www.imdb.com') {
        if (currSearch)
            setCurrUrl(cleanImdb(currSearch));
     
        cleanLinks(parserIMDB);
        onhashchange = deleteHash();
        return;
    }
     
    if (google.test(currHost)) {
        if (currPath === '/url' || currPath === '/imgres')
            location.href = cleanGenericRedir(currSearch);
     
        if (!currSearch && !/[&#]q=/.test(location.hash))
            return;
     
        setCurrUrl(cleanGoogle(currPath + currSearch));
        changeState(googleInstant);
     
        if (currSearch.includes('tbm=isch')) {
            cleanLinksAlways(parserGoogleImages);
        }
        else {
            cleanLinks(parserGoogle);
        }
     
        return;
    }
     
    if (ebay.test(currHost)) {
        if (currPath.includes('/itm/'))
            setCurrUrl(cleanEbayItem(location));
     
        else if (currSearch)
            setCurrUrl(cleanEbayParams(currSearch));
     
        cleanLinks(parserEbay);
        onhashchange = deleteHash;
        return;
    }
     
    if (target.test(currHost)) {
     
        if (currPath.includes('/p/'))
            setCurrUrl(cleanTargetItemp(location));
     
        else if (currSearch)
            setCurrUrl(cleanTargetParams(currSearch));
     
        cleanLinks(parserTarget);
        onhashchange = deleteHash;
        return;
    }
     
    if (amazon.test(currHost)) {
     
        if (currPath.includes('/dp/'))
            setCurrUrl(cleanAmazonItemdp(location));
     
        else if (currPath.includes('/gp/product'))
            setCurrUrl(cleanAmazonItemgp(location));
     
        else if (currSearch)
            setCurrUrl(cleanAmazonParams(currSearch));
     
        cleanLinks(parserAmazon);
        onhashchange = deleteHash();
        return;
    }
     
    if (currHost.endsWith('staticice.com.au')) {
        cleanLinks(parserStaticice);
        return;
    }
     
    if (currHost == 'twitter.com') {
     
        if (currSearch)
            setCurrUrl(cleanTwitterParams(currSearch));
     
        cleanLinks(parserTwitter);
        return;
    }
     
    if (currHost == 'www.facebook.com') {
     
        if (currSearch)
            setCurrUrl(cleanFacebookParams(currSearch));
     
        cleanLinks(parserFacebook);
        return;
    }
     
    if (currHost == 'disqus.com') {
        cleanLinks(parserDisqus);
        return;
    }
     
    if (currHost === 'app.getpocket.com') {
        cleanLinks(parserAll);
        return;
    }
     
    /*
     * Boilerplate functions
     */
     
    function setCurrUrl(url) {
        history.replaceState(null, null, url);
    }
     
    function deleteHash() {
        history.replaceState(null, null, ' ');
    }
     
    function observe(func) {
        new MutationObserver(func).observe(document, {childList:true, subtree:true});
    }
     
    // Clean links once, mark as cleaned, then ignore them
    function cleanLinks(linkParser) {
        observe(function() {
            for (let a of document.links) {
                if (a.cleaned)
                    continue;
     
                if (a.protocol && a.protocol.startsWith('http'))
                    linkParser(a);
     
                a.cleaned = 1;
            }
        });
    }
     
    // Always clean links
    function cleanLinksAlways(linkParser) {
        observe(function() {
            for (let a of document.links)
                if (a.protocol && a.protocol.startsWith('http'))
                    linkParser(a);
        });
    }
     
    function googleInstant(url) {
        let parts = url.split('#');
        if (parts.length !== 2)
            return url;
     
        let hash = parts[1];
        if (hash === 'imgrc=_')
            return ' ';
     
        if (/(^|&)q=/.test(hash))
            return '?' + hash;
     
        return '#' + hash;
    }
     
    // Intercept & modify url passed into history.replaceState/pushState
    function changeState(mod) {
        history.realPushState = history.pushState;
        history.realReplaceState = history.replaceState;
     
        history.pushState = function() {
            history.realPushState(null, null, mod(arguments[2]));
        };
     
        history.replaceState = function() {
            history.realReplaceState(null, null, mod(arguments[2]));
        };
    }
     
    /*
     * Link parsing functions
     */
     
    function parserAll(a) {
        let host = a.host;
        let path = a.pathname;
        if (a.cleaned)
            return;
     
        if (google.test(host)) {
            if (path === '/imgres' || path === '/url')
                a.href = cleanGenericRedir(a.search);
     
            else if (a.search)
                a.search = cleanGoogle(a.search);
     
            return;
        }
     
        if (host === 'www.youtube.com') {
            if (path === '/watch')
                a.search = cleanYoutube(a.search);
     
            else if (path === '/redirect')
                a.href = cleanYoutubeRedir(a.search);
     
            a.cleaned = 1;
            return;
        }
     
        if (host === 'getpocket.com') {
            if (path === '/redirect') {
                a.href = cleanPocketRedir(a.href);
            }
        }
     
        parserAmazon(a);
        parserEbay(a);
        parserNewegg(a);
        parserIMDB(a);
     
        if (a.search)
            a.search = cleanUtm(a.search);
     
        if (a.hash)
            a.hash = cleanUtm(a.hash);
     
        a.cleaned = 1;
    }
     
    function parserGoogle(a) {
        a.removeAttribute('onmousedown');
        parserAll(a);
    }
     
    function parserGoogleImages(a) {
        let jsaction = a.getAttribute('jsaction');
        if (jsaction && jsaction.includes('down:irc.rl')) {
            console.log(a);
            a.removeAttribute('jsaction');
        }
     
        a.removeAttribute('onmousedown');
        parserAll(a);
    }
     
    function parserYoutube(a) {
        parserAll(a);
        let text = a.innerText;
        let href = href;
        if (text === href || text.endsWith('...') && href.startsWith(text.slice(0,-3)))
            a.innerText = href;
    }
     
    function parserTarget(a) {
        if (!target.test(a.host))
            return;
     
        if (a.pathname.includes('/p/'))
            a.href = cleanTargetItemp(a);
     
        else if (a.search)
            a.href = cleanTargetParams(a.href);
    }
     
    function parserAmazon(a) {
        if (!amazon.test(a.host))
            return;
     
        if (a.pathname.includes('black-curtain-redirect.html'))
            a.href = cleanAmazonRedir(location);
     
        else if (a.pathname.includes('/dp/'))
            a.href = cleanAmazonItemdp(a);
     
        else if (a.pathname.includes('/gp/product'))
            a.href = cleanAmazonItemgp(a);
     
        else if (a.pathname.includes('/picassoRedirect')) {
            a.href = cleanGenericRedir(a.search);
            a.search = '';
        }
     
        else if (a.search)
            a.href = cleanAmazonParams(a.href);
     
        if (a.pathname.includes('/ref='))
            a.pathname = cleanAmazonParams(a.pathname);
    }
     
    function parserEbay(a) {
        if (!ebay.test(a.host))
            return;
     
        if (a.pathname.includes('/itm/'))
            a.href = cleanEbayItem(a);
     
        else if (a.host.startsWith('pulsar.'))
            a.href = cleanEbayPulsar(a.search);
     
        else if (a.search)
            a.search = cleanEbayParams(a.search);
    }
     
    function parserNewegg(a) {
        if (!a.host.endsWith('.newegg.com') && !a.host.endsWith('.newegg.ca'))
            return;
     
        if (a.search && !a.pathname.includes('/marketplace/'))
            a.search = cleanNewegg(a.search);
    }
     
    function parserIMDB(a) {
        if (a.host === 'www.imdb.com' && a.search)
            a.search = cleanImdb(a.search);
    }
     
    function parserTwitter(a) {
        if (a.host !== 't.co')
            return;
     
        let fake = 't.co' + a.pathname;
        let real = a.getAttribute('data-expanded-url');
        if (real) {
            a.href = real;
            a.removeAttribute('data-expanded-url');
            sessionStorage.setItem(fake, real);
            return;
        }
     
        if (!a.classList.contains('TwitterCard-container'))
            return;
     
        real = sessionStorage.getItem(fake);
        if (real)
            a.href = real;
    }
     
    function parserFacebook(a) {
        let onclick = a.getAttribute('onclick');
        if (!onclick || !onclick.startsWith('LinkshimAsyncLink'))
            return;
     
        if (a.host !== 'l.facebook.com')
            return;
     
        a.href = cleanGenericRedir(a.search);
        a.removeAttribute('onclick');
        a.removeAttribute('onmouseover');
    }
     
    function parserDisqus(a) {
        if (a.host === 'disq.us' && a.pathname === '/url')
            a.href = a.href.replace(/\:.*/,'');
            a.href = cleanGenericRedir(a.search);
     
        parserAll(a);
    }
     
    function parserStaticice(a) {
        if (a.host.endsWith('staticice.com.au')) {
            if (a.pathname.startsWith('/cgi-bin/www.'))
                a.href = 'http://'+a.pathname.slice(9);
     
            else if (a.pathname !== '/cgi-bin/redirect.cgi')
                return;
     
            a.href = cleanGenericRedir(a.search);
        }
     
        if (a.host === 'www.clixgalore.com' && a.pathname === '/PSale.aspx')
            a.href = cleanGenericRedir2(a.search);
     
        if (a.host === 't.dgm-au.com' || a.host === 'www.kqzyfj.com') {
            console.log(a.href)
            a.href = cleanGenericRedir(a.search);
        }
     
        if (a.host === 't.cfjump.com')
            parserStaticiceTCF(a);
     
        if (a.search)
            a.search = cleanUtm(a.search);
    }
     
    function parserStaticiceTCF(a) {
        if (a.search) {
            a.href = cleanGenericRedir(a.search);
            return;
        }
     
        if (a.innerText.startsWith('$'))
            return;
     
        let siteText = a.parentNode;
        let itemLink = siteText.parentNode.parentNode.firstChild.firstChild;
        if (itemLink.host !== 't.cfjump.com') {
            a.href = itemLink.origin;
            return;
        }
     
        let origin = 'https://' + siteText.innerText.split(/ +\| +/)[1];
        let itemPath = itemLink.pathname.match(/^\/t\/\d+\/\d+(\/.+)/).pop()
        a.href = origin;
        itemLink.href = origin + itemPath;
    }
     
    /*
     * URL string functions
     */
     
    function cleanGoogle(url) {
        return url.replace('?','?&').replace(googleParams, '').replace('&','') + a.hash;
    }
     
    function cleanBing(url) {
        return url.replace('?','?&').replace(bingParams, '').replace('&','');
    }
     
    function cleanYoutube(url) {
        return url.replace("?","?&").replace(youtubeParams,'').replace('&','');
    }
     
    function cleanImdb(url) {
        return url.replace('?','?&').replace(imdbParams,'').replace('&','').replace(/\?$/,'');
    }
     
    function cleanNewegg(url) {
        return url.replace('?','?&').replace(neweggParams,'').replace('&','');
    }
     
    function cleanTargetParams(url) {
        return url.replace('?','?&','#').replace(targetParams,'').replace('&','');
    }
     
    function cleanFacebookParams(url) {
        return url.replace('?','?&','#').replace(facebookParams,'').replace('&','');
    }
     
    function cleanAmazonParams(url) {
        return url.replace('?','?&').replace(amazonParams,'').replace('&','').replace(/\?$/,'');
    }
     
    function cleanEbayParams(url) {
        return url.replace('?','?&').replace(ebayParams,'').replace('&','');
    }
     
    function cleanTargetItemp(a) {
        let item = a.pathname.replace(/(?<=\/p).*(?=\/A)/,"");
        return a.origin + item;
    }
     
    function cleanAmazonItemgp(a) {
        let item = a.pathname.match(/\/[A-Z0-9]{10}/);
        return a.origin + '/gp/product' + item + a.hash;
    }
     
    function cleanAmazonItemdp(a) {
        let item = a.pathname.match(/\/dp(\/[A-Z0-9]{10})/)[1];
        return a.origin + '/dp' + item + a.hash;
    }
     
    function cleanTwitterParams(url) {
        return url.replace('?','?&').replace(twitterParams,'').replace('&','').replace(/\?$/,'');
    }
     
    function cleanEbayItem(a) {
        let item = a.pathname.match(/\/[0-9]{12}/);
        let origList = a.search.replace(/&/g, '?').match(/\?orig_cvip=[^?]+/) || '';
        return a.origin + '/itm' + item + origList + a.hash;
    }
     
    function cleanEbayPulsar(url) {
        let item = url.match(/%7B%22mecs%22%3A%22([0-9]{12})/).pop();
        return location.origin + '/itm/' + item;
    }
     
    function cleanYoutubeRedir(url) {
        return decodeURIComponent(url.match(/[?&]q=([^&]+)/).pop());
    }
     
    function cleanAmazonRedir(url) {
        return decodeURIComponent(url.match(/[?&]redirectUrl=([^&]+)/).pop());
    }
     
    function cleanGenericRedir(url) {
        return decodeURIComponent(url.match(/[?&](new|img)?u(rl)?=([^&]+)/i).pop());
    }
     
    function cleanGenericRedir2(url) {
        return decodeURIComponent(url.match(/[?&]\w*url=([^&]+)/i).pop());
    }
     
    function cleanUtm(url) {
        var urlparts = url.split('?');
        if (urlparts.length >= 2) {
            var pars = urlparts[1].split(/[&;]/g);
            //reverse iteration as may be destructive
            for (var i = pars.length; i-- > 0;) {
                if (/^utm_/.test(pars[i])) {
                    pars.splice(i, 1);
                }
            }
            return urlparts[0] + (pars.length > 0 ? '?' + pars.join('&') : '');
        }
        return url;
    }
     
    function cleanPocketRedir(url) {
        return decodeURIComponent(url.replace('https://getpocket.com/redirect?url=', ''));
    }
    })();