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add the script

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smege1001 2020-07-30 18:56:22 +01:00
parent 6e1370e7cb
commit 8831bc9eb2
1 changed files with 52 additions and 0 deletions
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cfemail.user.js Normal file
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// ==UserScript==
// @name Decode Cloudflare-encoded email addresses
// @namespace https://codeberg.org/smege1001/cf_email_decoder
// @match *://*/*
// @grant none
// @version 1.0
// @author smege1001
// ==/UserScript==
/**
* @license CC0-1.0
**/
const emailprotectionURLHashRegex = /\/cdn-cgi\/l\/email-protection#([aA0-fF9]*)/;
const emailprotectionURLNoHashRegex = /\/cdn-cgi\/l\/email-protection/; //hash is stored on data-cfemail
function decodeEmail(hash) { //cloudflare email address decoder
var hashArray = []; //split the hash into bytes
for (var hAIndex = 0; hAIndex < hash.length; hAIndex += 2) {
hashArray.push(parseInt(hash.substring(hAIndex, hAIndex + 2), 16));
}
var decoded = "";
var key = hashArray[0]; //get the decode key
for (var index = 1; index < hashArray.length; index++) {
decoded += String.fromCharCode(hashArray[index] ^ key);
}
return decoded;
}
var links = document.querySelectorAll("a"); //get all the links
for (var linksIndex = 0; linksIndex < links.length; linksIndex++) {
var link = links[linksIndex];
if (emailprotectionURLHashRegex.test(link.href)) {
var hash = link.href.match(emailprotectionURLHashRegex)[1];
link.href = "mailto:" + decodeEmail(hash); //replace the stupid email protection with just a mailto link
} else if (emailprotectionURLNoHashRegex.test(link.href) && link.hasAttribute("data-cfemail")) {
var hash = link.getAttribute("data-cfemail");
var decodedEmail = decodeEmail(hash);
link.href = "mailto:" + decodedEmail;
link.innerText = decodedEmail; //the inner text is just [email protected]
//remove the useless attributes
link.removeAttribute("data-cfemail");
link.classList.remove("__cf_email__");
if (link.getAttribute("class") == "") link.removeAttribute("class");
}
}