GDPR Block All European Countries (Cloudflare Worker)

worker.js

const BLOCKED_COUNTRIES = [
	'AL', 'AD', 'AM', 'AT', 'BY', 'BE', 'BA', 'BG', 'CH', 'CY', 'CZ', 'DE',
	'DK', 'EE', 'ES', 'FO', 'FI', 'FR', 'GB', 'GE', 'GI', 'GR', 'HU', 'HR',
	'IE', 'IS', 'IT', 'LT', 'LU', 'LV', 'MC', 'MK', 'MT', 'NO', 'NL', 'PL',
	'PT', 'RO', 'RU', 'SE', 'SI', 'SK', 'SM', 'TR', 'UA', 'VA'
];

addEventListener('fetch', event => {
	event.respondWith((async request => {
		let country = request.headers.get('CF-IpCountry'),
			ip = request.headers.get('CF-Connecting-IP');

		if (BLOCKED_COUNTRIES.indexOf(country) !== -1) {
			return new Response(`Sorry, you are European and you can sue me from this IP: ${ip}`, {
				status: 451,
				headers: {
					'Content-Type': 'text/html'
				}
			});
		} else {
			return fetch(request);
		}
	})(event.request));
});