From a729590ff013edda3f1c0b4c99c7c8dcf36b8717 Mon Sep 17 00:00:00 2001 From: smege1001 Date: Tue, 4 Aug 2020 03:37:43 +0100 Subject: [PATCH] not the 1000th commit --- tool/cf_email_decoder | 1 - tool/cfemail.user.js | 64 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 64 insertions(+), 1 deletion(-) delete mode 160000 tool/cf_email_decoder create mode 100644 tool/cfemail.user.js diff --git a/tool/cf_email_decoder b/tool/cf_email_decoder deleted file mode 160000 index a7fabb18..00000000 --- a/tool/cf_email_decoder +++ /dev/null @@ -1 +0,0 @@ -Subproject commit a7fabb1837b55f6b7514d0f7a1587671539033a6 diff --git a/tool/cfemail.user.js b/tool/cfemail.user.js new file mode 100644 index 00000000..673f898f --- /dev/null +++ b/tool/cfemail.user.js @@ -0,0 +1,64 @@ +// ==UserScript== +// @name Decode Cloudflare-encoded email addresses +// @namespace https://codeberg.org/smege1001/cf_email_decoder +// @match *://*/* +// @grant none +// @version 1.2.2 +// @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]; + var decodedEmail = decodeEmail(hash); + + link.href = "mailto:" + decodedEmail; //replace the stupid email protection with just a mailto link + + if (link.getElementsByClassName("__cf_email__").length > 0) { + var linkChild = link.getElementsByClassName("__cf_email__")[0]; + linkChild.innerText = decodedEmail; + + linkChild.removeAttribute("data-cfemail"); + linkChild.classList.remove("__cf_email__"); + + if (linkChild.getAttribute("class") == "") linkChild.removeAttribute("class"); + } + } 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"); + } +}