Clean up unnecessary hyperlink redirections and link shims
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// ==UserScript== // @name Link Sanitizer // @description Clean up unnecessary hyperlink redirections and link shims // @version 1.1.0 // @author cloux <[email protected]> // @license WTFPL 2.0; http://www.wtfpl.net/about/ // @namespace https://github.com/cloux // @homepage https://github.com/cloux/LinkSanitizer // @supportURL https://github.com/cloux/LinkSanitizer // @icon http://icons.iconarchive.com/icons/designbolts/seo/128/Natural-Link-icon.png // @include * // @run-at document-start // ==/UserScript== (function() { // Limit contentType to "text/plain" or "text/html" if ((document.contentType != undefined) && (document.contentType != "text/plain") && (document.contentType != "text/html")) { console.log("Hyperlink Sanitizer - Not loading for content type " + document.contentType); return; } // Sanitize single link function sanitize(weblink) { // whitelisted services if (/google\.[a-z]*\/ServiceLogin/.test(weblink) || // google login service /^http.*(login|registration)[/?].*http/.test(weblink) || // heise.de /\/oauth\?/.test(weblink) || // OAuth on aws.amazon.com /\/signin\?openid/.test(weblink) || // amazon.com /^https?:\/\/downloads\.sourceforge\.net\//.test(weblink) || // downloads.sourceforge.net /^https?:\/\/[a-z.]*archive\.org\//.test(weblink) || // archive.org /^https:\/\/id\.atlassian\.com\//.test(weblink) || // Atlassian Login /^https?:\/\/(www\.)?facebook\.com\/sharer/.test(weblink) || // share on FB /^https?:\/\/(www\.)?linkedin\.com\/share/.test(weblink) || // share on linkedin /^https?:\/\/(www\.)?twitter\.com\/(intent\/tweet|share)/.test(weblink) || // tweet link /^https?:\/\/(www\.)?pinterest\.com\/pin\/create\//.test(weblink)) { // pinterest post return weblink; } console.log("Hyperlink: " + weblink); var strnew = weblink.replace(/^..*(https?(%3A|:)[^\\&]*).*/, '$1'); strnew = strnew.replace(/%23/g, '#'); strnew = strnew.replace(/%26/g, '&'); strnew = strnew.replace(/%2F/g, '/'); strnew = strnew.replace(/%3A/g, ':'); strnew = strnew.replace(/%3D/g, '='); strnew = strnew.replace(/%3F/g, '?'); // NOTE: %25 must be translated last strnew = strnew.replace(/%25/g, '%'); console.log("SANITIZED: " + strnew); return strnew; } // MutationObserver callback function callback(mutationsList) { // Query for elements for (var mutation of mutationsList) { switch(mutation.type) { case "attributes": // Sanitize single mutated element if (/..https?(%3A|:)/.test(mutation.target.href)) { // Avoid infinite callback loops and set target href only if it would actually change var sanitizedLink = sanitize(mutation.target.href); if (mutation.target.href != sanitizedLink) { mutation.target.href = sanitizedLink; } } break; case "childList": // Sanitize all new elements for (var node of mutation.addedNodes) { if ((typeof node.href !== 'undefined') && (/..https?(%3A|:)/.test(node.href))) { node.href = sanitize(node.href); } } break; } } } // Create an observer instance linked to the callback function const MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver; var observer = new MutationObserver(callback); // Start observing added elements and changes of href attributes observer.observe(window.document.documentElement, { attributeFilter: [ "href" ], childList: true, subtree: true }); })();
