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index_HEROKU.js
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index_HEROKU.js
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var cluster = require('cluster');
const http = require('http');
const fs = require('fs');
var os = require( 'os' );
const path = require('path');
const { parse } = require('querystring');
var Chatdict = {
"guid-unique1Test" : ["bla","ble"],
"guid-unique2Test" : [ "dsfsfsmkj"],
}
var gameAlivedict={
"codename" : "2020-01-01 20:29:20"
}
var playerdict = {
"guid-unique1Test" : ["Game Master" ],
}
var playerturndict = {
"guid-unique1Test" : "Game Master"
}
var Projectsdict = {
"guid-unique1Test" : "htmlcontent",
"guid-unique2Test" : "<html>",
};
var Meshesdict = {
"guid-unique1Test" : "mesh:a",
"guid-unique2Test" : "mesh:b",
};
const directoryPath = path.join(__dirname, 'static');
var port = process.env.PORT || 8000;;//REF:https://help.heroku.com/P1AVPANS/why-is-my-node-js-app-crashing-with-an-r10-error
if(cluster.isMaster) {//REF: https://www.sitepoint.com/how-to-create-a-node-js-cluster-for-speeding-up-your-apps/ & https://stackoverflow.com/questions/5999373/how-do-i-prevent-node-js-from-crashing-try-catch-doesnt-work
var numWorkers =process.env.WEB_CONCURRENCY || 1;// require('os').cpus().length; https://stackoverflow.com/questions/28616813/how-to-properly-scale-nodejs-app-on-heroku-using-clusters
console.log('Master cluster setting up ' + numWorkers + ' workers...');
for(var i = 0; i < numWorkers; i++) {
cluster.fork();
}
cluster.on('online', function(worker) {
console.log('Worker ' + worker.process.pid + ' is online');
});
cluster.on('exit', function(worker, code, signal) {
console.log('Worker ' + worker.process.pid + ' died with code: ' + code + ', and signal: ' + signal);
console.log('Starting a new worker');
cluster.fork();
});
} else {
launchServer();}
process
.on('unhandledRejection', (reason, p) => {//https://shapeshed.com/uncaught-exceptions-in-node/ & https://stackoverflow.com/questions/40867345/catch-all-uncaughtexception-for-node-js-app
console.error(reason, 'Unhandled Rejection at Promise', p);
})
.on('uncaughtException', err => {
console.error(err, 'Uncaught Exception thrown');
process.exit(1);
});
setInterval(serverTimerActions, 1000);
function uuidv4() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
}
function removeA(arr) {//REF: https://stackoverflow.com/questions/3954438/how-to-remove-item-from-array-by-value
var what, a = arguments, L = a.length, ax;
while (L > 1 && arr.length) {
what = a[--L];
while ((ax= arr.indexOf(what)) !== -1) {
arr.splice(ax, 1);
}
}
return arr;
}
function dateTimeNow()//REF: https://usefulangle.com/post/187/nodejs-get-date-time
{
let ts = Date.now();
let date_ob = new Date(ts);
let date = date_ob.getDate();
let month = date_ob.getMonth() + 1;
let year = date_ob.getFullYear();
let hours = date_ob.getHours();
let minutes = date_ob.getMinutes();
let seconds = date_ob.getSeconds();
return(year + "-" + month + "-" + date + " " + hours + ":" + minutes + ":" + seconds);
}
var olderThanRemoveDateTime;
var CountBeforeUpdateOlderThanCheckSeconds= 750;//1500 = 25 min
var CurrentSecondBeforeUpdateOlderThanCheckSeconds=749;
var CountUpdatePublicGamesList= 30;
var CurrentSecondUpdatePublicGamesList=0;
var PublicGamesList=[];
var PublicGamesByAdminCodeList=[];
function IsJsonString(str) {
try {
JSON.parse(str);
} catch (e) {
return false;
}
return true;
}
function serverTimerActions() {
CurrentSecondBeforeUpdateOlderThanCheckSeconds+=1;
CurrentSecondUpdatePublicGamesList+=1;
if(CurrentSecondUpdatePublicGamesList >= CountUpdatePublicGamesList)
{PublicGamesList=[];PublicGamesByAdminCodeList=[];
for (var key in Projectsdict) {
if (IsJsonString(Projectsdict[key]) && Projectsdict.hasOwnProperty(key)) {
if(JSON.parse(Projectsdict[key]).publicserver === true)
{var convdata = JSON.parse(Projectsdict[key]);
PublicGamesList.push( convdata.projectname);
PublicGamesByAdminCodeList.push(convdata.AdminCode);
}}
}
CurrentSecondUpdatePublicGamesList= 0;
// console.log("Public games: " + PublicGamesList.join("**"))
}
if(CurrentSecondBeforeUpdateOlderThanCheckSeconds >= CountBeforeUpdateOlderThanCheckSeconds)
{
// older than handler
for (var key in gameAlivedict) {
// check if the property/key is defined in the object itself, not in parent
if (gameAlivedict.hasOwnProperty(key)) {
if(Date.parse(gameAlivedict[key]) < Date.parse(olderThanRemoveDateTime)){
delete gameAlivedict[key]
delete Chatdict[key];
delete playerdict[key];
delete playerturndict[key];
delete Projectsdict[key];
delete Meshesdict[key];}
}
}
//then;
olderThanRemoveDateTime= dateTimeNow()
console.log('Will delete unresponsive games older than; '+olderThanRemoveDateTime);
CurrentSecondBeforeUpdateOlderThanCheckSeconds= 0;
}
}
function launchServer(){
const server = http.createServer((req, res) => {
if (req.url === '/') {//REF: https://stackoverflow.com/questions/4720343/loading-basic-html-in-node-js
res.writeHead(200, {'Content-Type': 'text/html'});
fs.createReadStream('index.html').pipe(res);
}
else if (req.url.includes( '/adminpage')) {//else if (req.url === '/adminpage') { //ref: https://stackoverflow.com/questions/37991995/passing-a-variable-from-node-js-to-html
res.writeHead(200, {'Content-Type': 'text/html'});
fs.readFile("playfield.html", "utf8", function(err, data) {
var adCode=uuidv4().toString();
gameAlivedict[adCode] = dateTimeNow();
playerdict[adCode]=[];
res.end(data + "<label id='lblAdminCode'>"+adCode +"</label><label id='lblisAdmin'>true</label>");
}); }
else if (req.url.includes( '/addorgetplayer')) {
var playerandadminhandler= req.url.replace('/addorgetplayer','');
var admincode = playerandadminhandler.split("?")[0].trim();
var array=[];
if(playerandadminhandler.split("?")[1] === undefined ||playerdict[admincode]===undefined ){
if(playerandadminhandler.split("?")[1] === undefined || playerandadminhandler.split("?")[1].trim() ==""){
res.end(""); return;
}
playerdict[admincode]=[];
}
else{
var player = playerandadminhandler.split("?")[1].trim();
array = playerdict[admincode];
if(array.includes(player) || player.trim() =="" ){ // player.trim() =="" => if it's just getting the list
res.writeHead(200);
res.end(playerdict[admincode].join("\n")); return;
}
}
array.push(player);
playerdict[admincode]=array;
res.writeHead(200);
res.end(playerdict[admincode].join("\n"));
}
else if (req.url.includes( '/playerturn')) {
var playerandadminhandler= req.url.replace('/playerturn','');
var admincode = playerandadminhandler.split("?")[0].trim();
var player = playerandadminhandler.split("?")[1].trim();
if(playerdict[admincode]===undefined){
res.end("No players found."); return;
}
else{
var array = playerdict[admincode];
for (i = 0; i < array.length; i++) {
//console.log(array[i] +"--"+ player);
if(array[i] === player)
{ if(i === array.length -1)
{
playerturndict[admincode]=array[0];
}
else
{
playerturndict[admincode]=array[i+1];
}
break;
}
}
res.writeHead(200);
res.end(playerturndict[admincode]); return;
}
playerturndict[admincode] = player;
res.writeHead(200);
res.end(playerturndict[admincode]); // no other players than the current..
}
else if (req.url.includes( '/removeplayer')) {
var playerandadminhandler= req.url.replace('/removeplayer','').trim();
var playeradminparts=playerandadminhandler.split("?");
var admincode = playeradminparts[0].trim();
var player = playeradminparts[1].trim();
var array=[];
if(playerdict[admincode]===undefined){
res.end("Game not found."); return;
}
else{ array = playerdict[admincode];
if(!array.includes(player) || player.trim() =="" ){ res.end("Player not found"); return; }
}
removeA(array, player);
playerdict[admincode]=array;
res.writeHead(200);
res.end("Removed: "+ player);
} else if (req.url.includes( '/activeplayer')) {
var admincode= req.url.replace('/activeplayer','');
if(playerturndict[admincode]===undefined){
res.end("Game not found."); return;
}
res.writeHead(200);
res.end(playerturndict[admincode]);
}
else if (req.url.includes( '/adminAliveCheck')) {
var admincode= req.url.replace('/adminAliveCheck','').trim();
if(Projectsdict[admincode]===undefined){
res.end("Game not found."); return;
}
gameAlivedict[admincode] = dateTimeNow();
res.writeHead(200);
res.end(gameAlivedict[admincode]);
}
else if (req.url===( '/PublicGamesList')) {
res.writeHead(200);
res.end(PublicGamesList.join("\n"));
} else if (req.url===( '/PublicGamesListByAdmincode')) {
res.writeHead(200);
res.end(PublicGamesByAdminCodeList.join("\n"));
}
else if (req.url.includes( '/project')) {
var admincodeclienthandler= req.url.replace('/project','').trim();
if(Projectsdict[admincodeclienthandler]===undefined || playerdict[admincodeclienthandler]===undefined ){res.end("room does not exist");return;}
var projectdata = Projectsdict[admincodeclienthandler];
if(JSON.parse(projectdata).maxplayer-1 < playerdict[admincodeclienthandler].length)
{
res.end("Game is full, all places are occupied. Sorry...");return;
}
fs.readFile("playfield.html", "utf8", function(err, data) { res.writeHead(200);
res.end(data + "<label id='lblAdminCode'>"+admincodeclienthandler +"</label><label id='lblisAdmin'>false</label><label id='lblProjectContent'>"+projectdata+"</label>");
});
}
else if (req.url.includes( '/getproject')) {
var admincodeclienthandler= req.url.replace('/getproject','').trim();
if(Projectsdict[admincodeclienthandler]===undefined){res.end("room does not exist");}
var projectdata = Projectsdict[admincodeclienthandler];
res.writeHead(200);
res.end(projectdata);
}
else if (req.url === '/postProject') {//REF: https://itnext.io/how-to-handle-the-post-request-body-in-node-js-without-using-a-framework-cd2038b93190
if (req.method === 'POST') {
let body = '';
req.on('data', chunk => {
body += decodeURI( chunk).toString();
});
req.on('end', () => {
// console.log(
// parse(body)
// JSON.parse(body)
// );
/*console.log(
JSON.parse(body).email
);*/
try{var test=JSON.parse(body)}catch(err){ res.end('corrupt JSON-data');return;}
Projectsdict[JSON.parse(body).AdminCode.trim()]=body
res.writeHead(200);
res.end('ok');
});
}
}
else if (req.url === '/postMeshes') {
if (req.method === 'POST') {
let body = '';
req.on('data', chunk => {
body += decodeURI( chunk).toString();
});
req.on('end', () => {
// console.log(
// JSON.parse(body)
// );
//playerturndict[admincode]= JSON.parse(body)[0].playerturn;
if(Meshesdict[JSON.parse(body)[0].AdminCode.trim()] === undefined || Date.parse(JSON.parse(Meshesdict[JSON.parse(body)[0].AdminCode].trim())[0].posttime) < Date.parse(JSON.parse(body)[0].posttime)){
try{var test=JSON.parse(body)}catch(err){ res.end('corrupt JSON-data');return;}
Meshesdict[JSON.parse(body)[0].AdminCode.trim()]=body;
res.end('ok');}else{console.log("old data :"+ JSON.parse(Meshesdict[JSON.parse(body)[0].AdminCode.trim()])[0].posttime +"-"+ JSON.parse(body)[0].posttime); res.end("old data :"+ JSON.parse(Meshesdict[JSON.parse(body)[0].AdminCode])[0].posttime +"-"+ JSON.parse(body)[0].posttime);}
});
}
} else if (req.url.includes( '/getMeshes')) {
var admincode = req.url.replace('/getMeshes','').trim();
//console.log(admincode);
// console.log(Meshesdict[admincode]);
// Meshesdict[admincode][0]= playerturndict[admincode] ;
res.writeHead(200);
if(Meshesdict[admincode]===undefined || Meshesdict[admincode]===[] ){res.end("NONE");}
else{ res.end(Meshesdict[admincode] );}
}
else if (req.url.includes( '/chat')) {
var feedback = req.url.replace('/chat','').trim();
var editedFeedList= feedback.split("?");
var admincode = editedFeedList[0];
if (editedFeedList[1] !== undefined && editedFeedList[1] !== "undefined" ){
var chatcontentwithoutcode = editedFeedList[1].replace((admincode+"?").trim(),"");
var array=[];
if(Chatdict[admincode]===undefined){Chatdict[admincode]=[];}
else{ array = Chatdict[admincode];}
if(chatcontentwithoutcode !== array[array.length-1]){
array.push(chatcontentwithoutcode);} else{console.log("Potential spamchat detected!");}
Chatdict[admincode]=array;
}
res.writeHead(200); console.log("chat:"+admincode+"----"+chatcontentwithoutcode);
if(Chatdict[admincode]===undefined || Chatdict[admincode]===[] ){res.end("");}
else{
if(Chatdict[admincode].length > 15){
Chatdict[admincode] = Chatdict[admincode].slice(Math.max(Chatdict[admincode].length - 5, 1));}
res.end(Chatdict[admincode].join("\n"));
}
}
else if (req.url === ( '/getCustomProjectForShare')) {
if (req.method === 'POST') {
let body = '';
req.on('data', chunk => {
body += decodeURI( chunk).toString();
});
req.on('end', () => {
var feedback = body.trim();//console.log(feedback);
var projectFeed=feedback.split("?");
var name = (projectFeed[0]);
var content = projectFeed[1].trim();
if(!name.includes(".bgem")){ res.end("wrong project type (.bgem required).");return;}
fs.writeFile("static/custom_fan_examples/" + name, content, function (err) {
if (err) { res.end(err);console.log(err); return;}
res.writeHead(200);
res.end("Project posted. Thank you");
}); });
}
}
else if (req.url.includes( '/directoryitems')) {
var flist=[];
fs.readdir(directoryPath+req.url.replace('/directoryitems',''), function (err, files) {//REF: https://medium.com/stackfame/get-list-of-all-files-in-a-directory-in-node-js-befd31677ec5
//handling error
if (err) {
return res.end('Unable to scan directory: ' + err);
}
//listing all files using forEach
files.forEach(function (file) {
// Do whatever you want to do with the file
flist.push(file);
});
res.end(flist.join("<br>"));});
}
else if (req.url.includes( '/list')){
// console.log(req.url);
var fileList= [];
fs.readdir(("."+req.url.replace("/list","/").trim()), (err, files) => { //REF: https://stackoverflow.com/questions/2727167/how-do-you-get-a-list-of-the-names-of-all-files-present-in-a-directory-in-node-j
files.forEach(file => { try{
if(fs.statSync("."+req.url.replace("/list","/").trim()+"/"+file).isDirectory()){// REF: https://www.technicalkeeda.com/nodejs-tutorials/how-to-check-if-path-is-file-or-directory-using-nodejs
console.log("dir:"+file);
fileList.push("<a href='"+req.url+'/'+file+"'>"+file + "</a><br>");
}
else{
// console.log(file);
//fileList.push("<a href='https://"+ req.url.replace("/list",ip+":"+port )+"/"+file+"'>"+file + "</a><br>");
fileList.push("<a href='"+ req.url.replace("/list","/GETFILE" )+"/"+file+"'>"+file + "</a><br>");}
}catch(err){
//console.log("File not Found :("); // prevents server crash
return false;
}});
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(fileList.join("")); });
} else if (req.url .includes( '/GETFILE') )
{
fs.readFile(__dirname + req.url.replace("GETFILE","") , function (err,data) {
if (err) {
res.writeHead(404);
res.end(JSON.stringify(err));
return;
}
res.writeHead(200);
res.end(data);
});
}
else if (req.url.toUpperCase().includes( '/POST2D')) {
res.writeHead(200, {'Content-Type': 'text/html'});
if (req.method === 'POST') {
let body = '';
req.on('data', chunk => {
body += ( chunk).toString();
});
req.on('end', () => {
var feedback = body.trim();
Projectsdict[JSON.parse(feedback).gameId] = body.trim();
res.end("Project posted. Thank you");
});
}
}
else if (req.url.toUpperCase().includes( '/GET2D')) {
res.writeHead(200, {'Content-Type': 'text/html'});
var admincode = req.url.replace('/Get2D','').trim();
if(Projectsdict[admincode]===undefined ){res.end("NONE");}
else{ res.end(Projectsdict[admincode] );} }
else if (req.url.toUpperCase().includes( '/JOIN2D')) {
res.writeHead(200, {'Content-Type': 'text/html'});
var gameJoin = req.url.replace("/Join2D","").trim()
var splitParts= gameJoin.split("?");
if(splitParts.length >1){
var admincode=splitParts[0].trim();
console.log(admincode);
if(Projectsdict[admincode]===undefined ){res.end("NONE");}
else{
var array = playerdict[admincode];
if(array.includes(splitParts[1].toUpperCase())){ return res.end(array.indexOf(splitParts[1].toUpperCase()).toString()); }else{
if(array.length >3){
return res.end('Maximum users in the room has been reached.');
}else{
array.push(splitParts[1].toUpperCase());
playerdict[admincode]=array;
console.log(playerdict[admincode]);
return res.end((array.length-1).toString()) // => Who ID res.end('Player ' + splitParts[1] + " registered.");
}}}}else{
return res.end('The request cannot be completed.');
}
}
else if (req.url.toUpperCase().includes( '/2D')) {//else if (req.url === '/adminpage') { //ref: https://stackoverflow.com/questions/37991995/passing-a-variable-from-node-js-to-html
res.writeHead(200, {'Content-Type': 'text/html'});
var game = (req.url.replace("/2D","")).trim().toUpperCase();
game = game.replace(/(.*?) ?fbclid.*/i, "$1"); // handling facebook click id
if(game.slice(-1) =="?"){
game =game.substring(0, game.length - 1);}
var gameAdminCode= uuidv4();
gameAlivedict[gameAdminCode] = dateTimeNow();
playerdict[gameAdminCode]=["GAME_MASTER"];
// playerturndict[gameAdminCode]="Game Master" ; => Handling in Projectsdict?
// Chatdict[gameAdminCode] = ["Admin joined the game."]
Projectsdict[gameAdminCode] = "json content tbc";
if(game.includes("GABBAC")){// if(game =="GABBAC"){ => cliënt side actions possible with include
fs.readFile("static/examples/Gabbac/Gabbac.html", "utf8", function(err, data) {
res.end(data + "<label hidden id='lblAdminCode'>"+gameAdminCode +"</label><label hidden id='lblisAdmin'>true</label>");
}); }
else if(game.includes("PAI")){
fs.readFile("static/examples/PaiJo2D/index.html", "utf8", function(err, data) {
res.end(data + "<label hidden id='lblAdminCode'>"+gameAdminCode +"</label><label hidden id='lblisAdmin'>true</label>");
}); }
else if(game.includes("SHAMAN")){
fs.readFile("static/examples/Shamans_2D/Shamans_2D.html", "utf8", function(err, data) {
res.end(data + "<label hidden id='lblAdminCode'>"+gameAdminCode +"</label><label hidden id='lblisAdmin'>true</label>");
}); }
else if(game =="VROLL"){
fs.readFile("static/examples/Vantum/V-Roll-2D.html", "utf8", function(err, data) {
res.end(data + "<label hidden id='lblAdminCode'>"+gameAdminCode +"</label><label hidden id='lblisAdmin'>true</label>");
}); }
else if(game.includes("VICEQUEST")){
fs.readFile("static/examples/vicequest/ViceQuest.html", "utf8", function(err, data) {
res.end(data + "<label hidden id='lblAdminCode'>"+gameAdminCode +"</label><label hidden id='lblisAdmin'>true</label>");
}); }
else if(game.includes("V")){
fs.readFile("static/examples/Vantum/V-Game-2D.html", "utf8", function(err, data) {
res.end(data + "<label hidden id='lblAdminCode'>"+gameAdminCode +"</label><label hidden id='lblisAdmin'>true</label>");
}); }
else if(game.includes("MIMIR")){
fs.readFile("static/examples/Mimir/Mimir_Neo.html", "utf8", function(err, data) {
res.end(data + "<label hidden id='lblAdminCode'>"+gameAdminCode +"</label><label hidden id='lblisAdmin'>true</label>");
}); }
else{
return res.end('The requested game has not been found on the server.');
}
}
else{
var dir=__dirname + req.url;
dir = dir.replace(/(.*?) ?fbclid.*/i, "$1"); // handling fb click id
if(dir.slice(-1) =="?"){
dir =dir.substring(0, dir.length - 1);
}
fs.readFile(dir, function (err,data) {//REF:https://stackoverflow.com/questions/16333790/node-js-quick-file-server-static-files-over-http
if (err) {
res.writeHead(404);
res.end(JSON.stringify(err));
return;
}
res.writeHead(200);
res.end(data);
});
}
}).listen(port, () => {
console.log("Our app is running on port ${ PORT }. (Default = 8000)");
});}