Cleans URL's from various popular sites. Also, makes sure the sites are using HTTPS.
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// ==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 *
// @version 1.7.7
// @license GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// ==/UserScript==
// compile these regexes beforehand to improve efficiency
var bing = new RegExp(/^https?:\/\/www\.bing\.(.+?)\/search\?/);
var google = new RegExp(/^https?:\/\/(www|mail|maps|books|play|news|plus|photos|docs|drive|support)\.google\.(.+?)\/[a-z]*\?/);
var youtube = new RegExp(/^https?:\/\/www\.youtube\.com\/watch/);
var ebay = new RegExp(/^https?:\/\/www\.ebay\.(.+?)\/itm/);
var amazon = new RegExp(/^https?:\/\/www\.amazon\..*\/dp\//);
var newegg = new RegExp(/^http:\/\/www\.newegg\.(com|ca)\/Product\/Product\.aspx/);
var dealtime = new RegExp(/http:\/\/stat\.dealtime\.com\/DealFrame\/DealFrame\.cmp\?/);
var newPageUrl = cleanUrl(document.URL);
// Clean the current page URL
if (newPageUrl != document.URL) location.replace(newPageUrl);
// Cleans links on the page
document.addEventListener("DOMContentLoaded", function cleanPageLinks() {
var links = document.links;
// Google search results pages
if (google.test(newPageUrl)) {
for (var i = 0; i < links.length; i++)
if (links[i].href != '' && !links[i].href.startsWith('javascript:')) { // Don't do anything with blank or javascript links
links[i].href = cleanUrl(links[i].href); // General cleaning
links[i].removeAttribute('onmousedown'); // Remove Google search results redirection
}
// Google Instant: if the search terms change, remove the extra stuff.
// Eg: 'google.com/search?q=old+search+query#q=new+search+query' -> 'google.com/search?q=new+search+query'
window.onhashchange = function googleInstant() {
if (!document.URL.includes('#imgrc=')) { // don't rewrite anything if an image is clicked in an image search
var newSearchString = String(document.URL.match(/\#.*/)).replace(/^\#/,''); // The string after the hash, containing the new search terms
var newSearchUrl = String(document.URL.replace(/search\?.*/, 'search?' + newSearchString)); // Remake the full URL with only the new search terms
location.replace(newSearchUrl);
}
};
}
// All other websites
else
for (var i = 0; i < links.length; i++)
if (links[i].href != '' && !links[i].href.startsWith('javascript:'))
links[i].href = cleanUrl(links[i].href);
}, false);
function cleanUrl(oldurl) { // Main function for cleaning the url's
var newurl = oldurl;
switch(true) {
case google.test(oldurl):
newurl = oldurl.replace('?','?&') // temporarily put an "&" after the "?" so that the regex below will always match
.replace(/\&(tab|num|hl|safe|tbo|sclient|sourceid|spell|client|complete|as_qdr|um|sa|tab|authuser|rlz|cad|rct|ved|usg|site|source|oe|oq|sa|ei|ie|dpr|gs\_l|ved|tbas|sei|biw|bih|gpsrc|gfe_rd|gws_rd)\=[^&]*/g,'')
.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 ebay.test(oldurl):
newurl = 'http://' + oldurl.split('/')[2] + '/itm' + oldurl.match(/\/[0-9]{11,13}[^#?&\/]/); // the split gets the domain name. Should be more efficient than a regex.
break;
case amazon.test(oldurl):
newurl = 'https://' + oldurl.split('/')[2] + oldurl.match(/\/dp\/[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(/((\?|\&|)utm_(source|medium|campaign)\=[^&]*|\&\;)/g,'');
return newurl;
}