cloudflare-man-in-the-middle-mitigation.js

// From https://usamaejaz.com/cloudflare-email-decoding/

function cfDecodeEmail(encodedString) {
	var email = '',
		r = parseInt(encodedString.substr(0, 2), 16),
		n,
		i;
	for (n = 2; encodedString.length - n; n += 2) {
		i = parseInt(encodedString.substr(n, 2), 16) ^ r;
		email += String.fromCharCode(i);
	}
	return email;
}

console.log(cfDecodeEmail('543931142127353935313e352e7a373b39'));

/////

!(function () {
	'use strict';
	function e(e) {
		try {
			if ('undefined' == typeof console) return;
			'error' in console ? console.error(e) : console.log(e);
		} catch (e) {}
	}
	function t(e) {
		return (
			(d.innerHTML = '<a href="' + e.replace(/"/g, '&quot;') + '"></a>'),
			d.childNodes[0].getAttribute('href') || ''
		);
	}
	function r(e, t) {
		var r = e.substr(t, 2);
		return parseInt(r, 16);
	}
	function n(n, c) {
		for (var o = '', a = r(n, c), i = c + 2; i < n.length; i += 2) {
			var l = r(n, i) ^ a;
			o += String.fromCharCode(l);
		}
		try {
			o = decodeURIComponent(escape(o));
		} catch (u) {
			e(u);
		}
		return t(o);
	}
	function c(t) {
		for (var r = t.querySelectorAll('a'), c = 0; c < r.length; c++)
			try {
				var o = r[c],
					a = o.href.indexOf(l);
				a > -1 && (o.href = 'mailto:' + n(o.href, a + l.length));
			} catch (i) {
				e(i);
			}
	}
	function o(t) {
		for (var r = t.querySelectorAll(u), c = 0; c < r.length; c++)
			try {
				var o = r[c],
					a = o.parentNode,
					i = o.getAttribute(f);
				if (i) {
					var l = n(i, 0),
						d = document.createTextNode(l);
					a.replaceChild(d, o);
				}
			} catch (h) {
				e(h);
			}
	}
	function a(t) {
		for (var r = t.querySelectorAll('template'), n = 0; n < r.length; n++)
			try {
				i(r[n].content);
			} catch (c) {
				e(c);
			}
	}
	function i(t) {
		try {
			c(t), o(t), a(t);
		} catch (r) {
			e(r);
		}
	}
	var l = '/cdn-cgi/l/email-protection#',
		u = '.__cf_email__',
		f = 'data-cfemail',
		d = document.createElement('div');
	i(document),
		(function () {
			var e =
				document.currentScript || document.scripts[document.scripts.length - 1];
			e.parentNode.removeChild(e);
		})();
})();