package main

func authenticate(token string) (*int) {
	var retval *int = nil

	// map from token SHA256 hash to user ID
	tokens := make(map[string]int)
	tokens["0+0DTE+laMkZeHZBLbjB+c0Ajth548+3WcCO8G9uywI="] = 1

	for currentToken, id := range tokens {
		if token == currentToken {
			retval = &id
			break
		}
	}

	return retval
}