mirror of https://github.com/calzoneman/sync.git
246 lines
7.6 KiB
JavaScript
246 lines
7.6 KiB
JavaScript
var path = require("path");
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var fs = require("fs");
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var express = require("express");
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var Config = require("./config");
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var Logger = require("./logger");
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var Channel = require("./channel");
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var User = require("./user");
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const VERSION = "2.1.4";
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function getIP(req) {
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var raw = req.connection.remoteAddress;
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var forward = req.header("x-forwarded-for");
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if(Server.cfg["trust-x-forward"] && forward) {
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var ip = forward.split(",")[0];
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Logger.syslog.log("REVPROXY " + raw + " => " + ip);
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return ip;
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}
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return raw;
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}
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function getSocketIP(socket) {
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var raw = socket.handshake.address.address;
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if(Server.cfg["trust-x-forward"]) {
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if(typeof socket.handshake.headers["x-forwarded-for"] == "string") {
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var ip = socket.handshake.headers["x-forwarded-for"]
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.split(",")[0];
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Logger.syslog.log("REVPROXY " + raw + " => " + ip);
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return ip;
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}
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}
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return raw;
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}
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var Server = {
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channels: [],
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channelLoaded: function (name) {
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for(var i in this.channels) {
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if(this.channels[i].canonical_name == name.toLowerCase())
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return true;
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}
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return false;
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},
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getChannel: function (name) {
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for(var i in this.channels) {
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if(this.channels[i].canonical_name == name.toLowerCase())
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return this.channels[i];
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}
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var c = new Channel(name, this);
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this.channels.push(c);
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return c;
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},
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unloadChannel: function(chan) {
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if(chan.registered)
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chan.saveDump();
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chan.playlist.die();
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chan.logger.close();
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for(var i in this.channels) {
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if(this.channels[i].canonical_name == chan.canonical_name) {
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this.channels.splice(i, 1);
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break;
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}
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}
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chan.name = "";
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},
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stats: null,
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app: null,
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io: null,
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httpserv: null,
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ioserv: null,
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db: null,
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ips: {},
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acp: null,
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httpaccess: null,
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logHTTP: function (req, status) {
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if(status === undefined)
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status = 200;
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var ip = req.connection.remoteAddress;
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var ip2 = false;
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if(this.cfg["trust-x-forward"])
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ip2 = req.header("x-forwarded-for") || req.header("cf-connecting-ip");
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var ipstr = !ip2 ? ip : ip + " (X-Forwarded-For " + ip2 + ")";
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var url = req.url;
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// Remove query
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if(url.indexOf("?") != -1)
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url = url.substring(0, url.lastIndexOf("?"));
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this.httpaccess.log([ipstr, req.method, url, status, req.headers["user-agent"]].join(" "));
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},
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init: function () {
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this.httpaccess = new Logger.Logger("httpaccess.log");
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this.app = express();
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// channel path
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this.app.get("/r/:channel(*)", function (req, res, next) {
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var c = req.params.channel;
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if(!c.match(/^[\w-_]+$/)) {
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res.redirect("/" + c);
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}
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else {
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this.logHTTP(req);
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res.sendfile(__dirname + "/www/channel.html");
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}
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}.bind(this));
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// api path
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this.api = require("./api")(this);
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this.app.get("/api/:apireq(*)", function (req, res, next) {
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this.logHTTP(req);
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this.api.handle(req.url.substring(5), req, res);
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}.bind(this));
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this.app.get("/", function (req, res, next) {
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this.logHTTP(req);
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res.sendfile(__dirname + "/www/index.html");
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}.bind(this));
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// default path
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this.app.get("/:thing(*)", function (req, res, next) {
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var opts = {
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root: __dirname + "/www",
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maxAge: this.cfg["asset-cache-ttl"]
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}
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res.sendfile(req.params.thing, opts, function (err) {
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if(err) {
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this.logHTTP(req, err.status);
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// Damn path traversal attacks
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if(req.params.thing.indexOf("%2e") != -1) {
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res.send("Don't try that again, I'll ban you");
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Logger.syslog.log("WARNING: Attempted path "+
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"traversal from /" + getIP(req));
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Logger.syslog.log("URL: " + req.url);
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}
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// Something actually went wrong
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else {
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// Status codes over 500 are server errors
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if(err.status >= 500)
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Logger.errlog.log(err);
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res.send(err.status);
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}
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}
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else {
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this.logHTTP(req);
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}
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}.bind(this));
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}.bind(this));
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// fallback
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this.app.use(function (err, req, res, next) {
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this.logHTTP(req, err.status);
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if(err.status == 404) {
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res.send(404);
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} else {
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next(err);
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}
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}.bind(this));
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// bind servers
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this.httpserv = this.app.listen(Server.cfg["web-port"],
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Server.cfg["express-host"]);
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this.ioserv = express().listen(Server.cfg["io-port"],
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Server.cfg["express-host"]);
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// init socket.io
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this.io = require("socket.io").listen(this.ioserv);
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this.io.set("log level", 1);
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this.io.sockets.on("connection", function (socket) {
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var ip = getSocketIP(socket);
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socket._ip = ip;
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if(this.db.checkGlobalBan(ip)) {
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Logger.syslog.log("Disconnecting " + ip + " - gbanned");
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socket.emit("kick", {
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reason: "You're globally banned."
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});
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socket.disconnect(true);
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return;
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}
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socket.on("disconnect", function () {
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this.ips[ip]--;
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}.bind(this));
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if(!(ip in this.ips))
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this.ips[ip] = 0;
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this.ips[ip]++;
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if(this.ips[ip] > Server.cfg["ip-connection-limit"]) {
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socket.emit("kick", {
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reason: "Too many connections from your IP address"
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});
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socket.disconnect(true);
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return;
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}
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// finally a valid user
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Logger.syslog.log("Accepted socket from /" + socket._ip);
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new User(socket, this);
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}.bind(this));
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// init database
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this.db = require("./database");
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this.db.setup(Server.cfg);
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this.db.init();
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// init ACP
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this.acp = require("./acp")(this);
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// init stats
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this.stats = require("./stats")(this);
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},
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shutdown: function () {
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Logger.syslog.log("Unloading channels");
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for(var i in this.channels) {
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if(this.channels[i].registered) {
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Logger.syslog.log("Saving /r/" + this.channels[i].name);
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this.channels[i].saveDump();
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}
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}
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Logger.syslog.log("Goodbye");
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process.exit(0);
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}
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};
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Logger.syslog.log("Starting CyTube v" + VERSION);
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fs.exists("chanlogs", function (exists) {
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exists || fs.mkdir("chanlogs");
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});
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fs.exists("chandump", function (exists) {
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exists || fs.mkdir("chandump");
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});
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Config.load(Server, "cfg.json", function () {
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Server.init();
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if(!Server.cfg["debug"]) {
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process.on("uncaughtException", function (err) {
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Logger.errlog.log("[SEVERE] Uncaught Exception: " + err);
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Logger.errlog.log(err.stack);
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});
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process.on("SIGINT", function () {
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Server.shutdown();
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});
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}
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});
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