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index.js
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index.js
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const { Server } = require("socket.io");
const { createServer } = require("http");
const express = require("express");
const app = express();
const server = createServer(app);
const Path = require("path");
const cors = require("cors");
const Database = require("@replit/database")
const db = new Database()
const MD5 = function(d){var r = M(V(Y(X(d),8*d.length)));return r.toLowerCase()};function M(d){for(var _,m="0123456789ABCDEF",f="",r=0;r<d.length;r++)_=d.charCodeAt(r),f+=m.charAt(_>>>4&15)+m.charAt(15&_);return f}function X(d){for(var _=Array(d.length>>2),m=0;m<_.length;m++)_[m]=0;for(m=0;m<8*d.length;m+=8)_[m>>5]|=(255&d.charCodeAt(m/8))<<m%32;return _}function V(d){for(var _="",m=0;m<32*d.length;m+=8)_+=String.fromCharCode(d[m>>5]>>>m%32&255);return _}function Y(d,_){d[_>>5]|=128<<_%32,d[14+(_+64>>>9<<4)]=_;for(var m=1732584193,f=-271733879,r=-1732584194,i=271733878,n=0;n<d.length;n+=16){var h=m,t=f,g=r,e=i;f=md5_ii(f=md5_ii(f=md5_ii(f=md5_ii(f=md5_hh(f=md5_hh(f=md5_hh(f=md5_hh(f=md5_gg(f=md5_gg(f=md5_gg(f=md5_gg(f=md5_ff(f=md5_ff(f=md5_ff(f=md5_ff(f,r=md5_ff(r,i=md5_ff(i,m=md5_ff(m,f,r,i,d[n+0],7,-680876936),f,r,d[n+1],12,-389564586),m,f,d[n+2],17,606105819),i,m,d[n+3],22,-1044525330),r=md5_ff(r,i=md5_ff(i,m=md5_ff(m,f,r,i,d[n+4],7,-176418897),f,r,d[n+5],12,1200080426),m,f,d[n+6],17,-1473231341),i,m,d[n+7],22,-45705983),r=md5_ff(r,i=md5_ff(i,m=md5_ff(m,f,r,i,d[n+8],7,1770035416),f,r,d[n+9],12,-1958414417),m,f,d[n+10],17,-42063),i,m,d[n+11],22,-1990404162),r=md5_ff(r,i=md5_ff(i,m=md5_ff(m,f,r,i,d[n+12],7,1804603682),f,r,d[n+13],12,-40341101),m,f,d[n+14],17,-1502002290),i,m,d[n+15],22,1236535329),r=md5_gg(r,i=md5_gg(i,m=md5_gg(m,f,r,i,d[n+1],5,-165796510),f,r,d[n+6],9,-1069501632),m,f,d[n+11],14,643717713),i,m,d[n+0],20,-373897302),r=md5_gg(r,i=md5_gg(i,m=md5_gg(m,f,r,i,d[n+5],5,-701558691),f,r,d[n+10],9,38016083),m,f,d[n+15],14,-660478335),i,m,d[n+4],20,-405537848),r=md5_gg(r,i=md5_gg(i,m=md5_gg(m,f,r,i,d[n+9],5,568446438),f,r,d[n+14],9,-1019803690),m,f,d[n+3],14,-187363961),i,m,d[n+8],20,1163531501),r=md5_gg(r,i=md5_gg(i,m=md5_gg(m,f,r,i,d[n+13],5,-1444681467),f,r,d[n+2],9,-51403784),m,f,d[n+7],14,1735328473),i,m,d[n+12],20,-1926607734),r=md5_hh(r,i=md5_hh(i,m=md5_hh(m,f,r,i,d[n+5],4,-378558),f,r,d[n+8],11,-2022574463),m,f,d[n+11],16,1839030562),i,m,d[n+14],23,-35309556),r=md5_hh(r,i=md5_hh(i,m=md5_hh(m,f,r,i,d[n+1],4,-1530992060),f,r,d[n+4],11,1272893353),m,f,d[n+7],16,-155497632),i,m,d[n+10],23,-1094730640),r=md5_hh(r,i=md5_hh(i,m=md5_hh(m,f,r,i,d[n+13],4,681279174),f,r,d[n+0],11,-358537222),m,f,d[n+3],16,-722521979),i,m,d[n+6],23,76029189),r=md5_hh(r,i=md5_hh(i,m=md5_hh(m,f,r,i,d[n+9],4,-640364487),f,r,d[n+12],11,-421815835),m,f,d[n+15],16,530742520),i,m,d[n+2],23,-995338651),r=md5_ii(r,i=md5_ii(i,m=md5_ii(m,f,r,i,d[n+0],6,-198630844),f,r,d[n+7],10,1126891415),m,f,d[n+14],15,-1416354905),i,m,d[n+5],21,-57434055),r=md5_ii(r,i=md5_ii(i,m=md5_ii(m,f,r,i,d[n+12],6,1700485571),f,r,d[n+3],10,-1894986606),m,f,d[n+10],15,-1051523),i,m,d[n+1],21,-2054922799),r=md5_ii(r,i=md5_ii(i,m=md5_ii(m,f,r,i,d[n+8],6,1873313359),f,r,d[n+15],10,-30611744),m,f,d[n+6],15,-1560198380),i,m,d[n+13],21,1309151649),r=md5_ii(r,i=md5_ii(i,m=md5_ii(m,f,r,i,d[n+4],6,-145523070),f,r,d[n+11],10,-1120210379),m,f,d[n+2],15,718787259),i,m,d[n+9],21,-343485551),m=safe_add(m,h),f=safe_add(f,t),r=safe_add(r,g),i=safe_add(i,e)}return Array(m,f,r,i)}function md5_cmn(d,_,m,f,r,i){return safe_add(bit_rol(safe_add(safe_add(_,d),safe_add(f,i)),r),m)}function md5_ff(d,_,m,f,r,i,n){return md5_cmn(_&m|~_&f,d,_,r,i,n)}function md5_gg(d,_,m,f,r,i,n){return md5_cmn(_&f|m&~f,d,_,r,i,n)}function md5_hh(d,_,m,f,r,i,n){return md5_cmn(_^m^f,d,_,r,i,n)}function md5_ii(d,_,m,f,r,i,n){return md5_cmn(m^(_|~f),d,_,r,i,n)}function safe_add(d,_){var m=(65535&d)+(65535&_);return(d>>16)+(_>>16)+(m>>16)<<16|65535&m}function bit_rol(d,_){return d<<_|d>>>32-_}
const io = new Server(server);
const multiplayerSessions = {};
const socketUserData = {};
io.on("connection", (socket) => {
let socketSession = null;
socket.on("userData", ({ username }) => {
if (username === undefined || username === null)
return;
socketUserData[socket.id] = { username, cursorX: 0, cursorY: 0, file: null };
});
socket.on("joinSession", ({ sessId }) => {
if (socketUserData[socket.id] === undefined || multiplayerSessions[sessId] === undefined)
return;
let session = multiplayerSessions[sessId];
if (session.users.includes(socket.id))
return;
socketSession = session.id;
socket.join(session.id);
session.users.push(socket.id);
io.to(session.id)
.emit("userJoined", {
username: socketUserData[socket.id].username,
cursorX: socketUserData[socket.id].cursorX,
cursorY: socketUserData[socket.id].cursorY,
file: socketUserData[socket.id].file
});
});
socket.on("userUpdate", ({ file, cursorX, cursorY }) => {
if (!socketSession) return;
if (file) socketUserData[socket.id].file = file;
if (cursorX) socketUserData[socket.id].cursorX = cursorX;
if (cursorY) socketUserData[socket.id].cursorY = cursorY;
io.to(socketSession)
.emit("userUpdate", ({
username: socketUserData[socket.id].username,
cursorX: socketUserData[socket.id].cursorX,
cursorY: socketUserData[socket.id].cursorY,
file: socketUserData[socket.id].file
}));
});
})
const port = 65514;
app.use(cors());
app.use(express.static("public"));
app.use(express.urlencoded({ extended: true }));
app.use(express.json());
app.use("/monaco", express.static("node_modules/monaco-editor"));
app.use("/xterm", express.static("node_modules/xterm"));
app.use("/xterm/addons/fit", express.static("node_modules/xterm-addon-fit/lib"));
app.use(function(req, res, next) {
res.set({
'Cross-Origin-Opener-Policy': 'same-origin',
'Cross-Origin-Embedder-Policy': 'require-corp',
'Cross-Origin-Resource-Policy': 'cross-origin'
})
next();
});
app.post("/db/get_theme", (req, res) => {
let themeId = req.body.themeId;
db.get("themes")
.then(themes => {
themes = themes ? themes : {};
if (!(Object.keys(themes).includes(themeId))) {
return res.json({ error: true, theme: {} })
}
return res.json({ error: false, theme: themes[themeId] })
})
})
app.post("/db/save_theme", (req, res) => {
var theme = req.body.theme;
if (!theme) return res.json({ error: true, id: "bruh no theme" })
if (theme.length > 3000) {
return res.json({ error: true, id: "ERROR" })
}
db.get("themes")
.then(themes => {
//themes |= {}
themes = themes ? themes : {};
hash = MD5(theme);
if (themes[hash]) {
return res.json({ error: false, id: hash });
}
//I have to do school so I can't help *much*
// its almost done I only need saving
themes[hash] = theme;
res.json({ error: false, id: hash })
db.set("themes", themes)
})
})
server.listen(port, _ => {
console.clear();
console.log("Server listening on port %s", port);
//Ok, it works. MD5 hashes are short though.
// but they are unique
//Hopefully
});
/*app.get('/themes/share/{token}', function(req, res) {
//Allow the saving and sharing of themes
res.send('Hello World!');
});*/