mirror of
https://codeberg.org/crimeflare/cloudflare-tor
synced 2025-10-31 16:46:54 +01:00
64 lines
2.2 KiB
JavaScript
64 lines
2.2 KiB
JavaScript
// ==UserScript==
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// @name Decode Cloudflare-encoded email addresses
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// @namespace https://codeberg.org/smege1001/cf_email_decoder
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// @match *://*/*
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// @grant none
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// @version 1.2.2
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// @author smege1001
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// ==/UserScript==
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/**
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* @license CC0-1.0
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**/
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const emailprotectionURLHashRegex = /\/cdn-cgi\/l\/email-protection#([aA0-fF9]*)/;
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const emailprotectionURLNoHashRegex = /\/cdn-cgi\/l\/email-protection/; //hash is stored on data-cfemail
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function decodeEmail(hash) { //cloudflare email address decoder
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var hashArray = []; //split the hash into bytes
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for (var hAIndex = 0; hAIndex < hash.length; hAIndex += 2) {
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hashArray.push(parseInt(hash.substring(hAIndex, hAIndex + 2), 16));
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}
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var decoded = "";
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var key = hashArray[0]; //get the decode key
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for (var index = 1; index < hashArray.length; index++) {
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decoded += String.fromCharCode(hashArray[index] ^ key);
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}
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return decoded;
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}
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var links = document.querySelectorAll("a"); //get all the links
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for (var linksIndex = 0; linksIndex < links.length; linksIndex++) {
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var link = links[linksIndex];
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if (emailprotectionURLHashRegex.test(link.href)) {
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var hash = link.href.match(emailprotectionURLHashRegex)[1];
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var decodedEmail = decodeEmail(hash);
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link.href = "mailto:" + decodedEmail; //replace the stupid email protection with just a mailto link
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if (link.getElementsByClassName("__cf_email__").length > 0) {
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var linkChild = link.getElementsByClassName("__cf_email__")[0];
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linkChild.innerText = decodedEmail;
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linkChild.removeAttribute("data-cfemail");
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linkChild.classList.remove("__cf_email__");
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if (linkChild.getAttribute("class") == "") linkChild.removeAttribute("class");
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}
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} else if (emailprotectionURLNoHashRegex.test(link.href) && link.hasAttribute("data-cfemail")) {
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var hash = link.getAttribute("data-cfemail");
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var decodedEmail = decodeEmail(hash);
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link.href = "mailto:" + decodedEmail;
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link.innerText = decodedEmail; //the inner text is just [email protected]
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//remove the useless attributes
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link.removeAttribute("data-cfemail");
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link.classList.remove("__cf_email__");
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if (link.getAttribute("class") == "") link.removeAttribute("class");
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}
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}
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