type PRECHECK = (req: Request, meta: Record<string, any>) => Promise<Response | undefined> | Response | undefined;
export const PRECHECKS: Record<string, PRECHECK> = {};

PRECHECKS.GET = (request: Request, _meta: Record<string, any>): Response | undefined => {
	const secret = request.headers.get('x-secret');
	if (secret !== 'very secret') {
		return new Response('Permission Denied', {
			status: 400,
			headers: {
				'Content-Type': 'text/plain'
			}
		});
	}
};
export function GET(_req: Request, _meta: Record<string, any>): Response {
	return new Response('this is secret', {
		status: 200,
		headers: {
			'Content-Type': 'text/plain'
		}
	});
}