General URL Cleaner

Cleans URL's from various popular sites. Also, makes sure the sites are using HTTPS.

Versión del día 12/8/2015. Echa un vistazo a la versión más reciente.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

You will need to install an extension such as Tampermonkey to install this script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @run-at document-start
// @name           General URL Cleaner
// @namespace      
// @description    Cleans URL's from various popular sites. Also, makes sure the sites are using HTTPS.
// @include        /^https?://[a-z]*.google.(com|ca|co.uk|com.au|co.nz|ac|ad|ae|com.af|com.ag|com.ai|al|am|co.ao|com.ar)\/.*$/
// @include        /^https?://[a-z]*.google.(us|as|at|az|ba|com.bd|be|bf|bg|com.bh|bi|bj|com.bn|com.bo|com.br|bs|bt|co.bw)\/.*$/
// @include        /^https?://[a-z]*.google.(by|com.bz|com.kh|cc|cd|cf|cat|cg|ch|ci|co.ck|cl|cm|cn|com.co|co.cr|com.cu|cv)\/.*$/
// @include        /^https?://[a-z]*.google.(com.cy|cz|de|dj|dk|dm|com.do|dz|com.ec|ee|com.eg|es|com.et|fi|com.fj|fm|fr)\/.*$/
// @include        /^https?://[a-z]*.google.(ga|ge|gf|gg|com.gh|com.gi|gl|gm|gp|gr|com.gt|gy|com.hk|hn|hr|ht|hu|co.id|ir)\/.*$/
// @include        /^https?://[a-z]*.google.(iq|ie|co.il|im|co.in|io|is|it|je|com.jm|jo|co.jp|co.ke|ki|kg|co.kr|com.kw|kz)\/.*$/
// @include        /^https?://[a-z]*.google.(la|com.lb|com.lc|li|lk|co.ls|lt|lu|lv|com.ly|co.ma|md|me|mg|mk|ml|com.mm|mn)\/.*$/
// @include        /^https?://[a-z]*.google.(ms|com.mt|mu|mv|mw|com.mx|com.my|co.mz|com.na|ne|com.nf|com.ng|com.ni|nl|no)\/.*$/
// @include        /^https?://[a-z]*.google.(com.np|nr|nu|com.om|com.pa|com.pe|com.ph|com.pk|pl|com.pg|pn|com.pr|ps|com.py)\/.*$/
// @include        /^https?://[a-z]*.google.(vg|pt|com.qa|ro|rs|ru|rw|com.sa|com.sb|sc|se|com.sg|sh|si|sk|com.sl|sn|sm|so)\/.*$/
// @include        /^https?://[a-z]*.google.(st|com.sv|td|tg|co.th|com.tj|tk|tl|tm|to|tn|com.tn|com.tr|tt|com.tw|co.tz)\/.*$/
// @include        /^https?://[a-z]*.google.(com.ua|co.ug|com.uy|co.uz|com.vc|co.ve|co.vi|com.vn|vu|ws|co.za|co.zm|co.zw)\/.*$/
// @include        /^https?://[a-z]*.amazon.(cn|in|co.jp|fr|de|it|nl|es|co.uk|ca|com.mx|com|com.au|com.br)\/.*$/
// @include        /^https?://[a-z]*.newegg.(com|ca|cn)\/.*$/
// @include        /^https?://[a-z]*.ebay.(com.au|at|be|ca|fr|de|com.hk|in|ie|co.il|it|com.my|nl|co.za|ph|pl|com.sg|co.za|es|ch|co.th|co.uk|com|vn)\/.*$/
// @include        /^https?://[a-z]*.bing.com\/.*$/
// @include        /^https?://[a-z]*.youtube.com\/.*$/
// @include        /^https?://[a-z]*.dealtime.com\/.*$/
// @exclude        https://apis.google.com/*
// @exclude        https://www.google.com/recaptcha/api2/*
// @version        1.9.2.0
// @license        GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// ==/UserScript==

// compile these regexes beforehand to improve efficiency
// These regex's are for checking which site the URL belongs to
var bing = new RegExp(/^https?:\/\/www\.bing\.(.+?)\/search\?/);
var google = new RegExp(/^https?:\/\/[a-z]*\.google\.(.+?)\/[a-z]*\?/);
var googleImageRedirect = new RegExp(/^https?:\/\/www\.google\.(.+?)\/url\?/);
var youtube = new RegExp(/^https?:\/\/www\.youtube\.com\/watch/);
var youtubeRedirectLink = new RegExp(/^https?:\/\/www.youtube.com\/redirect\?q\=/);
var ebay = new RegExp(/^https?:\/\/www\.ebay\.(.+?)\/itm/);
var ebaySearch = new RegExp(/^https?:\/\/www\.ebay\.(.+?)\/sch\//);
var amazondp = new RegExp(/^https?:\/\/www\.amazon\..*\/dp\//);
var amazongp = new RegExp(/^https?:\/\/www\.amazon\..*\/gp\/product\//);
var newegg = new RegExp(/^http:\/\/www\.newegg\.(com|ca)\/Product\/Product\.aspx/);
var dealtime = new RegExp(/http:\/\/stat\.dealtime\.com\/DealFrame\/DealFrame\.cmp\?/);
//  These regex's are for replacing parts of the URL
var utmParameters = new RegExp(/((\?|\&|)utm_(source|medium|campaign)\=[^&]*|\&amp\;)/g);
var googleSearchParameters = new RegExp(
    '\&(aqs|es_sm|channel|tab|num|hl|safe|tbo|sclient|sourceid|spell|site|sa|ei|client|complete|as_qdr|um|sa|tab|' +
    'authuser|rlz|cad|rct|ved|usg|source|oe|oq|ie|dpr|gs_l|ved|tbas|sei|biw|bih|gpsrc|gfe_rd|gws_rd)\=[^&]*', 'gi');

// Clean the current page URL
var newPageUrl = cleanUrl(document.URL);
if (newPageUrl != document.URL) location.replace(newPageUrl);

// Cleans links on the page
var links = document.links;
// don't do anything with links that are blank, javascript, email addresses, data
var excludeLinks = new RegExp(/(^$|^javascript\:|^mailto\:|^data\:)/);

if (google.test(newPageUrl)) {
    document.addEventListener("DOMContentLoaded", cleanGooglePageLinks, false);
    window.onhashchange = googleInstant;
}
else {
    document.addEventListener("DOMContentLoaded", cleanPageLinks, false);
}

// Standard link cleaning function
function cleanPageLinks() {
    for (var i = links.length; i--;) {
        if (excludeLinks.test(links[i].href)) continue; // Links to skip
        links[i].href = cleanUrl(links[i].href);        // Standard link cleaning
    }
    // We don't need to keep the event listener running
    this.removeEventListener('DOMContentLoaded', cleanPageLinks, false);
}

// Google search results link cleaning function
function cleanGooglePageLinks() {
    for (var i = links.length; i--;) {
        if (excludeLinks.test(links[i].href)) continue; // Links to skip
        links[i].removeAttribute('onmousedown');        // Remove search results redirection
        links[i].href = cleanUrl(links[i].href);        // Standard link cleaning
    }
    // We don't need to keep event listener running
    this.removeEventListener('DOMContentLoaded', cleanGooglePageLinks, false);
}

// Google Instant document URL cleaning - if the search terms change, remove the extra stuff.
function googleInstant() {
    // Don't rewrite anything if an image is clicked in image searches
    if (!document.URL.includes('#imgrc=')) {
        // The string after the hash, containing the new search terms
        var newSearchString = String(document.URL.match(/\#.*/)).replace(/^\#/,'');
        
        // Remake the full URL with only the new search terms
        var newSearchUrl = String(document.URL.replace(/search\?.*/, 'search?' + newSearchString));
        location.replace(newSearchUrl);
    }
}

// Main function for cleaning the url's
function cleanUrl(oldurl) {
    var newurl = oldurl;
    switch(true) {
        case googleImageRedirect.test(oldurl):
            newurl = decodeURIComponent(oldurl.replace(/^.*\&url\=/,'').replace(/\&(psig|ei|bvm)\=.*$/g,''));
            break;
        case google.test(oldurl):
                     // temporarily put an "&" after the "?" so that the search parameters regex will always work
            newurl = oldurl.replace('?','?&')
                           .replace(googleSearchParameters,'')
                           .replace('?&','?')
                           .replace(/^http\:/,'https:'); // always use https
            break;
        case bing.test(oldurl):
            newurl = oldurl.replace('?','?&')
                           .replace(/\&(go|qs|form|FORM|filt|pq|sc|sp|sk|qpvt)\=[^&]*/g,'')
                           .replace('?&','?')
                           .replace(/^http\:/,'https:');
            break;
        case youtube.test(oldurl):
            newurl = 'https://www.youtube.com/watch?' + oldurl.match(/v\=[^&]*/);
            break;
        case youtubeRedirectLink.test(oldurl):
            newurl = decodeURIComponent(oldurl.replace(youtubeRedirectLink,'').replace(/\&redir_token\=.*/,''));
            break;
        case ebay.test(oldurl):
            // the split gets the domain name. Should be more efficient than a regex.
            newurl = 'http://' + oldurl.split('/')[2] + '/itm' + oldurl.match(/\/[0-9]{11,13}[^#?&\/]/);
            break;
        case ebaySearch.test(oldurl):
            newurl = oldurl.replace('?','?&')
                           .replace(/\&(\_osacat|\_odkw|\_from|rt|\_trksid|\_sacat)\=[^&]*/g,'')
                           .replace('?&','?');
            break;
        case amazondp.test(oldurl):
            newurl = 'http://' + oldurl.split('/')[2] + oldurl.match(/\/dp\/[A-Z0-9]{10}\/?/);
            break;
        case amazongp.test(oldurl):
            newurl = 'http://' + oldurl.split('/')[2] + oldurl.match(/\/gp\/product\/[A-Z0-9]{10}\/?/);
            break;
        case newegg.test(oldurl):
            newurl = 'http://' + oldurl.split('/')[2] + oldurl.match(/\/Product\/Product\.aspx\?Item\=[^&]*/);
            break;
        case dealtime.test(oldurl):
            newurl = decodeURIComponent(oldurl.replace(/.*\&url\=/,'').replace(/(\%26|)\&linkin_id\=.*$/,'')).replace(/\&(url|partner)\=[^&]*/g,'');
            break;
        default:
            break;
    }
    newurl = newurl.replace(utmParameters,'');
    return newurl;
}