module Validation.Firewallvalidation;

import std.regex;
import std.stdio;

/**
 * Firewallvalidation
 */
class Firewallvalidation
{
	/**
	 * Helper method for validating an IPFINDER Firewall and Format
	 *
	 *
	 *
	 */
    static int validate(string by,string format)
    {

        if (!matchAll(by, regex(`^((as|AS)(\d+)|(A(D|E|F|G|I|L|M|N|O|R|S|T|Q|U|W|X|Z)|B(A|B|D|E|F|G|H|I|J|L|M|N|O|R|S|T|V|W|Y|Z)|C(A|C|D|F|G|H|I|K|L|M|N|O|R|U|V|X|Y|Z)|D(E|J|K|M|O|Z)|E(C|E|G|H|R|S|T)|F(I|J|K|M|O|R)|G(A|B|D|E|F|G|H|I|L|M|N|P|Q|R|S|T|U|W|Y)|H(K|M|N|R|T|U)|I(D|E|Q|L|M|N|O|R|S|T)|J(E|M|O|P)|K(E|G|H|I|M|N|P|R|W|Y|Z)|L(A|B|C|I|K|R|S|T|U|V|Y)|M(A|C|D|E|F|G|H|K|L|M|N|O|Q|P|R|S|T|U|V|W|X|Y|Z)|N(A|C|E|F|G|I|L|O|P|R|U|Z)|OM|P(A|E|F|G|H|K|L|M|N|R|S|T|W|Y)|QA|R(E|O|S|U|W)|S(A|B|C|D|E|G|H|I|J|K|L|M|N|O|R|T|V|Y|Z)|T(C|D|F|G|H|J|K|L|M|N|O|R|T|V|W|Z)|U(A|G|M|S|Y|Z)|V(A|C|E|G|I|N|U)|W(F|S)|Y(E|T)|Z(A|M|W)))$`)))
        {
        	throw new Exception("Invalid Firewall string please use AS number or ISO 3166-1 alpha-2 country");
        }
        if (!matchAll(format, regex(`^(apache_allow|apache_deny|nginx_allow|nginx_deny|CIDR|linux_iptables|netmask|inverse_netmask|web_config_allow|web_config_deny|cisco_acl|peer_guardian_2|network_object|cisco_bit_bucket|juniper_junos|microtik)$`)))
        {
        	throw new Exception("Invalid Format supported format https://ipfinder.io/docs/?shell#firewall");
        }
        return true;
    }
}