minecraft-rcon-client
Version:
Remote console client RCON. Allows you to send commands to any RCON server.
206 lines (205 loc) • 9.89 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Rcon = void 0;
var types_1 = require("./types");
var net_1 = require("net");
var Rcon = /** @class */ (function () {
function Rcon(Options) {
var _this = this;
this.requestId = 0;
this.options = Options;
this.connected = false;
this.authed = false;
this.socket = new net_1.Socket();
this.socket.on('close', function () {
_this.connected = false;
_this.authed = false;
_this.socket.destroy();
});
}
Rcon.prototype.isConnected = function () {
return this.connected && this.authed;
};
Rcon.prototype.disconnect = function () {
this.connected = false;
this.authed = false;
this.socket.end();
};
Rcon.prototype.query = function (cmd) {
return __awaiter(this, void 0, void 0, function () {
var response;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.sendPacket({
type: types_1.PacketType.REQUEST,
body: cmd
})];
case 1:
response = _a.sent();
return [2 /*return*/, response.body];
}
});
});
};
Rcon.prototype.connect = function () {
var _this = this;
return new Promise(function (resolve, reject) {
_this.socket.connect(_this.options.port, _this.options.host, function () { return __awaiter(_this, void 0, void 0, function () {
var error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
return [4 /*yield*/, this.authenticate()];
case 1:
_a.sent();
this.connected = true;
resolve();
return [3 /*break*/, 3];
case 2:
error_1 = _a.sent();
reject(error_1);
return [3 /*break*/, 3];
case 3: return [2 /*return*/];
}
});
}); });
_this.socket.on('error', reject);
});
};
Rcon.prototype.authenticate = function () {
return __awaiter(this, void 0, void 0, function () {
var response;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.sendPacket({
type: types_1.PacketType.LOGIN,
body: this.options.password
})];
case 1:
response = _a.sent();
if (response.body !== '') {
throw new Error('Authentication error');
}
this.authed = true;
return [2 /*return*/];
}
});
});
};
Rcon.prototype.sendPacket = function (packet) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (resolve, reject) { return __awaiter(_this, void 0, void 0, function () {
var _a, _b, error_2;
var _this = this;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_c.trys.push([0, 2, , 3]);
_b = (_a = this.socket).write;
return [4 /*yield*/, this.serializePacket(packet)];
case 1:
_b.apply(_a, [_c.sent()]);
this.socket.once('data', function (data) {
try {
resolve(_this.parsePacket(data));
}
catch (error) {
reject(error);
}
});
return [3 /*break*/, 3];
case 2:
error_2 = _c.sent();
reject(error_2);
return [3 /*break*/, 3];
case 3: return [2 /*return*/];
}
});
}); })];
});
});
};
Rcon.prototype.parsePacket = function (data) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (resolve, reject) {
var size = data.readInt32LE(0);
var id = data.readInt32LE(4);
if (id === _this.requestId) {
var type = data.readInt32LE(8);
var body = data.toString('utf-8', 12, 12 + size - 10);
resolve({ size: size, type: type, body: body, id: id });
}
else {
reject(new Error('Invalid response id'));
}
})];
});
});
};
Rcon.prototype.serializePacket = function (packet) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (resolve, reject) {
if (packet.size === undefined) {
packet.size = Buffer.byteLength(packet.body);
}
if (packet.id === undefined) {
packet.id = ++_this.requestId;
}
var length = 4 + 4 + packet.size + 2;
var buffer = Buffer.alloc(4 + length);
buffer.writeInt32LE(length, 0);
buffer.writeInt32LE(packet.id, 4);
buffer.writeInt32LE(packet.type, 8);
buffer.write(packet.body, 12, 'utf-8');
buffer.writeInt16LE(0, 12 + packet.size);
resolve(buffer);
})];
});
});
};
return Rcon;
}());
exports.Rcon = Rcon;