116 lines
3.1 KiB
JavaScript
116 lines
3.1 KiB
JavaScript
const cidrRegex = /^([0-9]{1,3}\.){3}[0-9]{1,3}(\/([0-9]|[1-2][0-9]|3[0-2]))?$/;
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const validCIDR = input => cidrRegex.test(input);
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let subnetList = [];
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const commands = [{
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name: "bansubnet",
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description: "bans an IPv4 subnet",
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alias: "bs",
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permission: "SeniorAdmin",
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targetRequired: false,
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arguments: [{
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name: "subnet in IPv4 CIDR notation",
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required: true
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}],
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execute: (gameEvent) => {
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const input = String(gameEvent.Data).trim();
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if (!validCIDR(input)) {
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gameEvent.Origin.Tell('Invalid CIDR input');
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return;
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}
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subnetList.push(input);
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_configHandler.SetValue('SubnetBanList', subnetList);
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gameEvent.Origin.Tell(`Added ${input} to subnet banlist`);
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}
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}];
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convertIPtoLong = ip => {
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let components = String(ip).match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/);
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if (components) {
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let ipLong = 0;
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let power = 1;
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for (let i = 4; i >= 1; i -= 1) {
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ipLong += power * parseInt(components[i]);
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power *= 256;
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}
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return ipLong;
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} else {
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return -1;
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}
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};
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isInSubnet = (ip, subnet) => {
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const mask = subnet.match(/^(.*?)\/(\d{1,2})$/);
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if (!mask) {
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return false;
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}
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const baseIP = convertIPtoLong(mask[1]);
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const longIP = convertIPtoLong(ip);
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if (mask && baseIP >= 0) {
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const freedom = Math.pow(2, 32 - parseInt(mask[2]));
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return (longIP > baseIP) && (longIP < baseIP + freedom - 1);
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} else return false;
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};
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isSubnetBanned = (ip, list) => {
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const matchingSubnets = list.filter(subnet => isInSubnet(ip, subnet));
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return matchingSubnets.length !== 0;
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}
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const plugin = {
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author: 'RaidMax',
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version: 1.0,
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name: 'Subnet Banlist Plugin',
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manager: null,
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logger: null,
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banMessage: '',
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onEventAsync: (gameEvent, server) => {
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if (gameEvent.TypeName === 'Join') {
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if (!isSubnetBanned(gameEvent.Origin.IPAddressString, subnetList, this.logger)) {
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return;
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}
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this.logger.WriteInfo(`Kicking ${gameEvent.Origin} because they are subnet banned.`);
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gameEvent.Origin.Kick(this.banMessage, _IW4MAdminClient);
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}
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},
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onLoadAsync: manager => {
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this.manager = manager;
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this.logger = manager.GetLogger(0);
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this.configHandler = _configHandler;
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this.subnetList = [];
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const list = this.configHandler.GetValue('SubnetBanList');
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if (list !== undefined) {
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list.forEach(element => {
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const ban = String(element);
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subnetList.push(ban)
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});
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this.logger.WriteInfo(`Loaded ${list.length} banned subnets`);
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} else {
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this.configHandler.SetValue('SubnetBanList', []);
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}
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this.banMessage = this.configHandler.GetValue('BanMessage');
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if (this.banMessage === undefined) {
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this.banMessage = 'You are not allowed to join this server.';
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this.configHandler.SetValue('BanMessage', this.banMessage);
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}
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},
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onUnloadAsync: () => {
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},
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onTickAsync: server => {
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}
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};
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