mirror of
https://github.com/louislam/dockge.git
synced 2024-11-22 08:14:04 +01:00
691 lines
22 KiB
TypeScript
691 lines
22 KiB
TypeScript
import "dotenv/config";
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import { MainRouter } from "./routers/main-router";
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import * as fs from "node:fs";
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import { PackageJson } from "type-fest";
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import { Database } from "./database";
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import packageJSON from "../package.json";
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import { log } from "./log";
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import * as socketIO from "socket.io";
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import express, { Express } from "express";
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import { parse } from "ts-command-line-args";
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import https from "https";
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import http from "http";
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import { Router } from "./router";
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import { Socket } from "socket.io";
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import { MainSocketHandler } from "./socket-handlers/main-socket-handler";
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import { SocketHandler } from "./socket-handler";
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import { Settings } from "./settings";
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import checkVersion from "./check-version";
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import dayjs from "dayjs";
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import { R } from "redbean-node";
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import { genSecret, isDev, LooseObject } from "../common/util-common";
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import { generatePasswordHash } from "./password-hash";
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import { Bean } from "redbean-node/dist/bean";
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import { Arguments, Config, DockgeSocket } from "./util-server";
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import { DockerSocketHandler } from "./agent-socket-handlers/docker-socket-handler";
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import expressStaticGzip from "express-static-gzip";
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import path from "path";
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import { TerminalSocketHandler } from "./agent-socket-handlers/terminal-socket-handler";
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import { Stack } from "./stack";
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import { Cron } from "croner";
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import gracefulShutdown from "http-graceful-shutdown";
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import User from "./models/user";
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import childProcessAsync from "promisify-child-process";
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import { AgentManager } from "./agent-manager";
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import { AgentProxySocketHandler } from "./socket-handlers/agent-proxy-socket-handler";
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import { AgentSocketHandler } from "./agent-socket-handler";
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import { AgentSocket } from "../common/agent-socket";
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import { ManageAgentSocketHandler } from "./socket-handlers/manage-agent-socket-handler";
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import { Terminal } from "./terminal";
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export class DockgeServer {
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app : Express;
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httpServer : http.Server;
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packageJSON : PackageJson;
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io : socketIO.Server;
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config : Config;
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indexHTML : string = "";
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/**
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* List of express routers
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*/
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routerList : Router[] = [
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new MainRouter(),
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];
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/**
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* List of socket handlers (no agent support)
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*/
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socketHandlerList : SocketHandler[] = [
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new MainSocketHandler(),
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new ManageAgentSocketHandler(),
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];
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agentProxySocketHandler = new AgentProxySocketHandler();
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/**
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* List of socket handlers (support agent)
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*/
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agentSocketHandlerList : AgentSocketHandler[] = [
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new DockerSocketHandler(),
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new TerminalSocketHandler(),
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];
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/**
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* Show Setup Page
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*/
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needSetup = false;
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jwtSecret : string = "";
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stacksDir : string = "";
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/**
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*
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*/
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constructor() {
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// Catch unexpected errors here
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let unexpectedErrorHandler = (error : unknown) => {
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console.trace(error);
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console.error("If you keep encountering errors, please report to https://github.com/louislam/dockge");
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};
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process.addListener("unhandledRejection", unexpectedErrorHandler);
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process.addListener("uncaughtException", unexpectedErrorHandler);
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if (!process.env.NODE_ENV) {
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process.env.NODE_ENV = "production";
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}
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// Log NODE ENV
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log.info("server", "NODE_ENV: " + process.env.NODE_ENV);
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// Default stacks directory
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let defaultStacksDir;
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if (process.platform === "win32") {
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defaultStacksDir = "./stacks";
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} else {
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defaultStacksDir = "/opt/stacks";
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}
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// Define all possible arguments
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let args = parse<Arguments>({
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sslKey: {
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type: String,
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optional: true,
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},
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sslCert: {
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type: String,
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optional: true,
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},
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sslKeyPassphrase: {
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type: String,
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optional: true,
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},
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port: {
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type: Number,
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optional: true,
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},
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hostname: {
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type: String,
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optional: true,
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},
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dataDir: {
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type: String,
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optional: true,
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},
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stacksDir: {
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type: String,
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optional: true,
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}
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});
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this.config = args as Config;
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// Load from environment variables or default values if args are not set
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this.config.sslKey = args.sslKey || process.env.DOCKGE_SSL_KEY || undefined;
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this.config.sslCert = args.sslCert || process.env.DOCKGE_SSL_CERT || undefined;
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this.config.sslKeyPassphrase = args.sslKeyPassphrase || process.env.DOCKGE_SSL_KEY_PASSPHRASE || undefined;
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this.config.port = args.port || Number(process.env.DOCKGE_PORT) || 5001;
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this.config.hostname = args.hostname || process.env.DOCKGE_HOSTNAME || undefined;
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this.config.dataDir = args.dataDir || process.env.DOCKGE_DATA_DIR || "./data/";
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this.config.stacksDir = args.stacksDir || process.env.DOCKGE_STACKS_DIR || defaultStacksDir;
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this.stacksDir = this.config.stacksDir;
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log.debug("server", this.config);
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this.packageJSON = packageJSON as PackageJson;
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try {
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this.indexHTML = fs.readFileSync("./frontend-dist/index.html").toString();
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} catch (e) {
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// "dist/index.html" is not necessary for development
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if (process.env.NODE_ENV !== "development") {
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log.error("server", "Error: Cannot find 'frontend-dist/index.html', did you install correctly?");
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process.exit(1);
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}
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}
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// Create express
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this.app = express();
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// Create HTTP server
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if (this.config.sslKey && this.config.sslCert) {
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log.info("server", "Server Type: HTTPS");
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this.httpServer = https.createServer({
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key: fs.readFileSync(this.config.sslKey),
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cert: fs.readFileSync(this.config.sslCert),
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passphrase: this.config.sslKeyPassphrase,
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}, this.app);
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} else {
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log.info("server", "Server Type: HTTP");
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this.httpServer = http.createServer(this.app);
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}
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// Binding Routers
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for (const router of this.routerList) {
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this.app.use(router.create(this.app, this));
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}
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// Static files
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this.app.use("/", expressStaticGzip("frontend-dist", {
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enableBrotli: true,
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}));
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// Universal Route Handler, must be at the end of all express routes.
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this.app.get("*", async (_request, response) => {
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response.send(this.indexHTML);
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});
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// Allow all CORS origins in development
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let cors = undefined;
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if (isDev) {
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cors = {
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origin: "*",
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};
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}
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// Create Socket.io
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this.io = new socketIO.Server(this.httpServer, {
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cors,
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allowRequest: (req, callback) => {
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let isOriginValid = true;
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const bypass = isDev || process.env.UPTIME_KUMA_WS_ORIGIN_CHECK === "bypass";
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if (!bypass) {
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let host = req.headers.host;
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// If this is set, it means the request is from the browser
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let origin = req.headers.origin;
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// If this is from the browser, check if the origin is allowed
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if (origin) {
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try {
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let originURL = new URL(origin);
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if (host !== originURL.host) {
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isOriginValid = false;
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log.error("auth", `Origin (${origin}) does not match host (${host}), IP: ${req.socket.remoteAddress}`);
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}
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} catch (e) {
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// Invalid origin url, probably not from browser
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isOriginValid = false;
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log.error("auth", `Invalid origin url (${origin}), IP: ${req.socket.remoteAddress}`);
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}
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} else {
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log.info("auth", `Origin is not set, IP: ${req.socket.remoteAddress}`);
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}
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} else {
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log.debug("auth", "Origin check is bypassed");
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}
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callback(null, isOriginValid);
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}
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});
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this.io.on("connection", async (socket: Socket) => {
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let dockgeSocket = socket as DockgeSocket;
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dockgeSocket.instanceManager = new AgentManager(dockgeSocket);
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dockgeSocket.emitAgent = (event : string, ...args : unknown[]) => {
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let obj = args[0];
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if (typeof(obj) === "object") {
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let obj2 = obj as LooseObject;
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obj2.endpoint = dockgeSocket.endpoint;
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}
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dockgeSocket.emit("agent", event, ...args);
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};
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if (typeof(socket.request.headers.endpoint) === "string") {
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dockgeSocket.endpoint = socket.request.headers.endpoint;
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} else {
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dockgeSocket.endpoint = "";
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}
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if (dockgeSocket.endpoint) {
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log.info("server", "Socket connected (agent), as endpoint " + dockgeSocket.endpoint);
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} else {
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log.info("server", "Socket connected (direct)");
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}
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this.sendInfo(dockgeSocket, true);
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if (this.needSetup) {
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log.info("server", "Redirect to setup page");
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dockgeSocket.emit("setup");
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}
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// Create socket handlers (original, no agent support)
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for (const socketHandler of this.socketHandlerList) {
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socketHandler.create(dockgeSocket, this);
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}
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// Create Agent Socket
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let agentSocket = new AgentSocket();
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// Create agent socket handlers
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for (const socketHandler of this.agentSocketHandlerList) {
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socketHandler.create(dockgeSocket, this, agentSocket);
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}
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// Create agent proxy socket handlers
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this.agentProxySocketHandler.create2(dockgeSocket, this, agentSocket);
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// ***************************
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// Better do anything after added all socket handlers here
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// ***************************
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log.debug("auth", "check auto login");
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if (await Settings.get("disableAuth")) {
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log.info("auth", "Disabled Auth: auto login to admin");
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this.afterLogin(dockgeSocket, await R.findOne("user") as User);
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dockgeSocket.emit("autoLogin");
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} else {
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log.debug("auth", "need auth");
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}
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// Socket disconnect
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dockgeSocket.on("disconnect", () => {
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log.info("server", "Socket disconnected!");
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dockgeSocket.instanceManager.disconnectAll();
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});
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});
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this.io.on("disconnect", () => {
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});
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if (isDev) {
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setInterval(() => {
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log.debug("terminal", "Terminal count: " + Terminal.getTerminalCount());
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}, 5000);
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}
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}
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async afterLogin(socket : DockgeSocket, user : User) {
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socket.userID = user.id;
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socket.join(user.id.toString());
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this.sendInfo(socket);
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try {
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this.sendStackList();
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} catch (e) {
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log.error("server", e);
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}
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socket.instanceManager.sendAgentList();
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// Also connect to other dockge instances
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socket.instanceManager.connectAll();
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}
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/**
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*
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*/
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async serve() {
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// Create all the necessary directories
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this.initDataDir();
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// Connect to database
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try {
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await Database.init(this);
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} catch (e) {
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if (e instanceof Error) {
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log.error("server", "Failed to prepare your database: " + e.message);
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}
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process.exit(1);
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}
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// First time setup if needed
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let jwtSecretBean = await R.findOne("setting", " `key` = ? ", [
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"jwtSecret",
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]);
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if (! jwtSecretBean) {
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log.info("server", "JWT secret is not found, generate one.");
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jwtSecretBean = await this.initJWTSecret();
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log.info("server", "Stored JWT secret into database");
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} else {
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log.debug("server", "Load JWT secret from database.");
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}
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this.jwtSecret = jwtSecretBean.value;
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const userCount = (await R.knex("user").count("id as count").first()).count;
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log.debug("server", "User count: " + userCount);
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// If there is no record in user table, it is a new Dockge instance, need to setup
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if (userCount == 0) {
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log.info("server", "No user, need setup");
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this.needSetup = true;
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}
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// Listen
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this.httpServer.listen(this.config.port, this.config.hostname, () => {
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if (this.config.hostname) {
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log.info( "server", `Listening on ${this.config.hostname}:${this.config.port}`);
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} else {
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log.info("server", `Listening on ${this.config.port}`);
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}
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// Run every 10 seconds
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Cron("*/10 * * * * *", {
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protect: true, // Enabled over-run protection.
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}, () => {
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//log.debug("server", "Cron job running");
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this.sendStackList(true);
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});
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checkVersion.startInterval();
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});
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gracefulShutdown(this.httpServer, {
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signals: "SIGINT SIGTERM",
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timeout: 30000, // timeout: 30 secs
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development: false, // not in dev mode
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forceExit: true, // triggers process.exit() at the end of shutdown process
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onShutdown: this.shutdownFunction, // shutdown function (async) - e.g. for cleanup DB, ...
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finally: this.finalFunction, // finally function (sync) - e.g. for logging
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});
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}
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/**
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* Emits the version information to the client.
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* @param socket Socket.io socket instance
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* @param hideVersion Should we hide the version information in the response?
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* @returns
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*/
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async sendInfo(socket : Socket, hideVersion = false) {
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let versionProperty;
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let latestVersionProperty;
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let isContainer;
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if (!hideVersion) {
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versionProperty = packageJSON.version;
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latestVersionProperty = checkVersion.latestVersion;
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isContainer = (process.env.DOCKGE_IS_CONTAINER === "1");
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}
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socket.emit("info", {
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version: versionProperty,
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latestVersion: latestVersionProperty,
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isContainer,
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primaryHostname: await Settings.get("primaryHostname"),
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//serverTimezone: await this.getTimezone(),
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//serverTimezoneOffset: this.getTimezoneOffset(),
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});
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}
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/**
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* Get the IP of the client connected to the socket
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* @param {Socket} socket Socket to query
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* @returns IP of client
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*/
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async getClientIP(socket : Socket) : Promise<string> {
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let clientIP = socket.client.conn.remoteAddress;
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if (clientIP === undefined) {
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clientIP = "";
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}
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if (await Settings.get("trustProxy")) {
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const forwardedFor = socket.client.conn.request.headers["x-forwarded-for"];
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if (typeof forwardedFor === "string") {
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return forwardedFor.split(",")[0].trim();
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} else if (typeof socket.client.conn.request.headers["x-real-ip"] === "string") {
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return socket.client.conn.request.headers["x-real-ip"];
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}
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}
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return clientIP.replace(/^::ffff:/, "");
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}
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/**
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* Attempt to get the current server timezone
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* If this fails, fall back to environment variables and then make a
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* guess.
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* @returns {Promise<string>} Current timezone
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*/
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async getTimezone() {
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// From process.env.TZ
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try {
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if (process.env.TZ) {
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this.checkTimezone(process.env.TZ);
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return process.env.TZ;
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}
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} catch (e) {
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if (e instanceof Error) {
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log.warn("timezone", e.message + " in process.env.TZ");
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}
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}
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const timezone = await Settings.get("serverTimezone");
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// From Settings
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try {
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log.debug("timezone", "Using timezone from settings: " + timezone);
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if (timezone) {
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this.checkTimezone(timezone);
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return timezone;
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}
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} catch (e) {
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if (e instanceof Error) {
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log.warn("timezone", e.message + " in settings");
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}
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}
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// Guess
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try {
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const guess = dayjs.tz.guess();
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log.debug("timezone", "Guessing timezone: " + guess);
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if (guess) {
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this.checkTimezone(guess);
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return guess;
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} else {
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return "UTC";
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}
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} catch (e) {
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// Guess failed, fall back to UTC
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log.debug("timezone", "Guessed an invalid timezone. Use UTC as fallback");
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return "UTC";
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}
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}
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/**
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* Get the current offset
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* @returns {string} Time offset
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*/
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getTimezoneOffset() {
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return dayjs().format("Z");
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}
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/**
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* Throw an error if the timezone is invalid
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* @param {string} timezone Timezone to test
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* @returns {void}
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* @throws The timezone is invalid
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*/
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checkTimezone(timezone : string) {
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try {
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dayjs.utc("2013-11-18 11:55").tz(timezone).format();
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} catch (e) {
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throw new Error("Invalid timezone:" + timezone);
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}
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}
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/**
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* Initialize the data directory
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*/
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initDataDir() {
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if (! fs.existsSync(this.config.dataDir)) {
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fs.mkdirSync(this.config.dataDir, { recursive: true });
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}
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// Check if a directory
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if (!fs.lstatSync(this.config.dataDir).isDirectory()) {
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throw new Error(`Fatal error: ${this.config.dataDir} is not a directory`);
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}
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// Create data/stacks directory
|
|
if (!fs.existsSync(this.stacksDir)) {
|
|
fs.mkdirSync(this.stacksDir, { recursive: true });
|
|
}
|
|
|
|
log.info("server", `Data Dir: ${this.config.dataDir}`);
|
|
}
|
|
|
|
/**
|
|
* Init or reset JWT secret
|
|
* @returns JWT secret
|
|
*/
|
|
async initJWTSecret() : Promise<Bean> {
|
|
let jwtSecretBean = await R.findOne("setting", " `key` = ? ", [
|
|
"jwtSecret",
|
|
]);
|
|
|
|
if (!jwtSecretBean) {
|
|
jwtSecretBean = R.dispense("setting");
|
|
jwtSecretBean.key = "jwtSecret";
|
|
}
|
|
|
|
jwtSecretBean.value = generatePasswordHash(genSecret());
|
|
await R.store(jwtSecretBean);
|
|
return jwtSecretBean;
|
|
}
|
|
|
|
/**
|
|
* Send stack list to all connected sockets
|
|
* @param useCache
|
|
*/
|
|
async sendStackList(useCache = false) {
|
|
let socketList = this.io.sockets.sockets.values();
|
|
|
|
let stackList;
|
|
|
|
for (let socket of socketList) {
|
|
let dockgeSocket = socket as DockgeSocket;
|
|
|
|
// Check if the room is a number (user id)
|
|
if (dockgeSocket.userID) {
|
|
|
|
// Get the list only if there is a logged in user
|
|
if (!stackList) {
|
|
stackList = await Stack.getStackList(this, useCache);
|
|
}
|
|
|
|
let map : Map<string, object> = new Map();
|
|
|
|
for (let [ stackName, stack ] of stackList) {
|
|
map.set(stackName, stack.toSimpleJSON(dockgeSocket.endpoint));
|
|
}
|
|
|
|
log.debug("server", "Send stack list to user: " + dockgeSocket.id + " (" + dockgeSocket.endpoint + ")");
|
|
dockgeSocket.emitAgent("stackList", {
|
|
ok: true,
|
|
stackList: Object.fromEntries(map),
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
async getDockerNetworkList() : Promise<string[]> {
|
|
let res = await childProcessAsync.spawn("docker", [ "network", "ls", "--format", "{{.Name}}" ], {
|
|
encoding: "utf-8",
|
|
});
|
|
|
|
if (!res.stdout) {
|
|
return [];
|
|
}
|
|
|
|
let list = res.stdout.toString().split("\n");
|
|
|
|
// Remove empty string item
|
|
list = list.filter((item) => {
|
|
return item !== "";
|
|
}).sort((a, b) => {
|
|
return a.localeCompare(b);
|
|
});
|
|
|
|
return list;
|
|
}
|
|
|
|
get stackDirFullPath() {
|
|
return path.resolve(this.stacksDir);
|
|
}
|
|
|
|
/**
|
|
* Shutdown the application
|
|
* Stops all monitors and closes the database connection.
|
|
* @param signal The signal that triggered this function to be called.
|
|
*/
|
|
async shutdownFunction(signal : string | undefined) {
|
|
log.info("server", "Shutdown requested");
|
|
log.info("server", "Called signal: " + signal);
|
|
|
|
// TODO: Close all terminals?
|
|
|
|
await Database.close();
|
|
Settings.stopCacheCleaner();
|
|
}
|
|
|
|
/**
|
|
* Final function called before application exits
|
|
*/
|
|
finalFunction() {
|
|
log.info("server", "Graceful shutdown successful!");
|
|
}
|
|
|
|
/**
|
|
* Force connected sockets of a user to refresh and disconnect.
|
|
* Used for resetting password.
|
|
* @param {string} userID
|
|
* @param {string?} currentSocketID
|
|
*/
|
|
disconnectAllSocketClients(userID: number | undefined, currentSocketID? : string) {
|
|
for (const rawSocket of this.io.sockets.sockets.values()) {
|
|
let socket = rawSocket as DockgeSocket;
|
|
if ((!userID || socket.userID === userID) && socket.id !== currentSocketID) {
|
|
try {
|
|
socket.emit("refresh");
|
|
socket.disconnect();
|
|
} catch (e) {
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
isSSL() {
|
|
return this.config.sslKey && this.config.sslCert;
|
|
}
|
|
|
|
getLocalWebSocketURL() {
|
|
const protocol = this.isSSL() ? "wss" : "ws";
|
|
const host = this.config.hostname || "localhost";
|
|
return `${protocol}://${host}:${this.config.port}`;
|
|
}
|
|
|
|
}
|