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decrypt.emails.js

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0.38.0

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decrypt.emails.js

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fn.decrypt = wrap(() => {

const selector = 'a[href="/cdn-cgi/l/email-protection"]';

function hexAt(str, index) {

const r = str.substr(index, 2);

return parseInt(r, 16);

}

function decrypt(ciphertext) {

let output = '';

const key = hexAt(ciphertext, 0);

for (let i = 2; i < ciphertext.length; i += 2) {

const plaintext = hexAt(ciphertext, i) ^ key;

output += String.fromCharCode(plaintext);

}

return decodeURIComponent(escape(output));

}

function decode(doc) {

if (typeof jQuery === 'function' && doc instanceof jQuery) {

doc.find(selector).replaceWith(function decryption() {

return decrypt(this.dataset.cfemail);

});

} else {

[...doc.querySelectorAll(selector)].forEach(function decryption(el) {

el.replaceWith(decrypt(el.dataset.cfemail));

});

}

return doc;

}

decode.decrypt = decrypt;

return decode;

});