add basic gateway connection functionality

api/v1/content.js

@@ -43,7 +43,8 @@ app.post('/category/create', [
         category: {
             title: category.title,
             creator: category.creator,
-            posts: category.posts
+            posts: category.posts,
+            _id: category._id
         }
     });
 }, undefined, config.roleMap.USER));
@@ -86,7 +87,10 @@ app.post('/post/create', [
 
     res.status(200).json({
         error: false,
-        message: 'SUCCESS_POST_CREATED'
+        message: 'SUCCESS_POST_CREATED',
+        post: {
+            _id: post._id
+        }
     });
 }, undefined, config.roleMap.USER));
 
@@ -102,6 +106,9 @@ app.get('/category/:category/info', [
     const categoryId = req.params.category;
     const category = await Category.findById(categoryId).populate('posts.creator', 'username _id');
     
+    // TODO: Implement subscribing to a channel and stuff
+    const users = await User.find().sort({ _id: -1 }).limit(50).select('username _id')
+
     if (!category) {
         res.status(404).json({
             error: true,
@@ -116,7 +123,9 @@ app.get('/category/:category/info', [
         category: {
             title: category.title,
             creator: category.creator,
-            posts: category.posts
+            posts: category.posts,
+            users: users,
+            usersListLimit: 50
         }
     });
 }));

api/v1/gateway/index.js

@@ -0,0 +1,69 @@
+const User = require('../../../models/User');
+const secret = require('../../../secret');
+const config = require('../../../config');
+
+const jwt = require('jsonwebtoken');
+const siolib = require('socket.io')
+
+class GatewayServer {
+    constructor(httpServer) {
+        this._io = siolib(httpServer);
+        this._gateway = this._io.of('/gateway');
+        this.eventSetup();
+    }
+}
+
+GatewayServer.prototype.authDisconnect = function(socket, callback) {
+    socket.isConnected = false;
+    socket.disconnect(true);
+    callback(new Error('ERR_GATEWAY_AUTH_FAIL'));
+};
+
+GatewayServer.prototype.eventSetup = function() {
+    this._gateway.use((socket, callback) => {
+        console.log('[*] [gateway] User authentication attempt');
+        socket.isConnected = false;
+
+        setTimeout(() => {
+            console.log('[*] [gateway] User still not connected after timeout, removing...');
+            socket.disconnect(true);
+        }, config.gatewayStillNotConnectedTimeoutMS);
+
+        // TODO: Maybe passing the token in the query is not the best idea?
+        const token = socket.handshake.query.token;
+
+        if (!token) return this.authDisconnect(socket, callback);
+
+        jwt.verify(token, secret.jwtPrivateKey, {}, async (err, data) => {
+            if (err) return this.authDisconnect(socket, callback);
+            if (!data) return this.authDisconnect(socket, callback);
+            if (!data.username) return this.authDisconnect(socket, callback);
+
+            const user = await User.findByUsername(data.username);
+
+            if (!user) return this.authDisconnect(socket, callback);
+
+            let permissionLevel = config.roleMap[user.role];
+            if (!permissionLevel) {
+                permissionLevel = 0;
+            }
+
+            if (permissionLevel < config.roleMap.USER) return this.authDisconnect(socket, callback);
+
+            socket.username = data.username;
+            console.log(`[*] [gateway] User ${data.username} has successfully authenticated`);
+            return callback();
+        });
+    });
+
+    this._gateway.on('connection', (socket) => {
+        console.log(`[*] [gateway] User ${socket.username} connected, sending hello and waiting for yoo...`);
+        socket.emit('hello');
+        socket.once('yoo', () => {
+            console.log(`[*] [gateway] Got yoo from ${socket.username}, connection is finally completed!`);
+            socket.isConnected = true;
+        });
+    });
+};
+
+module.exports = GatewayServer;

api/v1/users.js

@@ -148,7 +148,8 @@ app.get('/current/info', authenticateEndpoint((req, res, user) => {
             username: user.username,
             email: user.email,
             role: user.role,
-            permissionLevel: config.roleMap[user.role]
+            permissionLevel: config.roleMap[user.role],
+            token: req.cookies.token // TODO: Passing the token like this is *terribly* insecure
         },
     });
 }, undefined, 0));

apitest.rest

@@ -20,34 +20,34 @@ Content-Type: application/json
 ###
 
 GET http://localhost:3000/api/v1/users/current/info
-Cookie: token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6InRlc3QiLCJpYXQiOjE2MDA1MTA2MTEsImV4cCI6MTYwMDUyMTQxMX0.q85p94FLPR4fxZ4O5pmalEEjU9Hyr9js63u6LgoCQCw
+Cookie: token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6InRlc3QiLCJpYXQiOjE2MDU0ODI5NjgsImV4cCI6MTYwNTQ5Mzc2OH0.BjZEnI1v7XCYpEqyBub7uFrTtfQUZ7_PukP4sgcEzB0.eyJ1c2VybmFtZSI6InRlc3QiLCJpYXQiOjE2MDA1MTA2MTEsImV4cCI6MTYwMDUyMTQxMX0.q85p94FLPR4fxZ4O5pmalEEjU9Hyr9js63u6LgoCQCw
 
 ###
 
 POST http://localhost:3000/api/v1/content/category/create
-Cookie: token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6InRlc3QiLCJpYXQiOjE2MDA1MTA2MTEsImV4cCI6MTYwMDUyMTQxMX0.q85p94FLPR4fxZ4O5pmalEEjU9Hyr9js63u6LgoCQCw
+Cookie: token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6InRlc3QiLCJpYXQiOjE2MDU0ODI5NjgsImV4cCI6MTYwNTQ5Mzc2OH0.BjZEnI1v7XCYpEqyBub7uFrTtfQUZ7_PukP4sgcEzB0
 Content-Type: application/json
 
 {
-    "name": "testing1"
+    "title": "testing1"
 }
 
 ###
 
 POST http://localhost:3000/api/v1/content/post/create
-Cookie: token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6InRlc3QiLCJpYXQiOjE2MDA1MTA2MTEsImV4cCI6MTYwMDUyMTQxMX0.q85p94FLPR4fxZ4O5pmalEEjU9Hyr9js63u6LgoCQCw
+Cookie: token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6InRlc3QiLCJpYXQiOjE2MDU0ODI5NjgsImV4cCI6MTYwNTQ5Mzc2OH0.BjZEnI1v7XCYpEqyBub7uFrTtfQUZ7_PukP4sgcEzB0
 Content-Type: application/json
 
 {
-    "category": "5f65e1f05c3cdd86400f43ec",
+    "category": "5fb1ba3eb04f2b3356aa2e58",
     "title": "Test title",
-    "content": "Test content!!!"
+    "body": "Test content!!!"
 }
 
 ###
 
-GET http://localhost:3000/api/v1/content/category/5f65e1f05c3cdd86400f43ec/info
+GET http://localhost:3000/api/v1/content/category/5fb1ba3eb04f2b3356aa2e58/info
-Cookie: token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6InRlc3QiLCJpYXQiOjE2MDA1MTA2MTEsImV4cCI6MTYwMDUyMTQxMX0.q85p94FLPR4fxZ4O5pmalEEjU9Hyr9js63u6LgoCQCw
+Cookie: token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6InRlc3QiLCJpYXQiOjE2MDU0ODI5NjgsImV4cCI6MTYwNTQ5Mzc2OH0.BjZEnI1v7XCYpEqyBub7uFrTtfQUZ7_PukP4sgcEzB0
 Content-Type: application/json
 
 ###

app/app.html

@@ -11,6 +11,7 @@
     <link rel="stylesheet" href="https://unpkg.com/vue-material/dist/theme/default-dark.css">
 
     <script defer src="https://unpkg.com/vue-material"></script>
+    <script defer src="/socket.io/socket.io.js"></script>
     <script defer src="./resources/js/app.js"></script>
 
     <style>

app/resources/js/app.js

@@ -53,6 +53,41 @@ const getCreateCategoryError = (json) => {
     }
 }
 
+class GatewayConnection {
+    constructor() {
+        this.isConnected = false;
+        this.socket = null;
+    }
+}
+
+GatewayConnection.prototype.connect = function(token) {
+    console.log('[*] [gateway] [handshake] Trying to connect to gateway');
+    this.socket = io('/gateway', {
+        query: {
+            token
+        },
+        transports: ['websocket']
+    });
+
+    this.socket.on('hello', () => {
+        console.log('[*] [gateway] [handshake] Got hello from server, sending yoo...');
+        this.socket.emit('yoo');
+    });
+
+    this.socket.on('error', (e) => {
+        console.log('[E] [gateway] Gateway error', e);
+        this.isConnected = false;
+    });
+    this.socket.on('disconnectNotification', (e) => {
+        console.log('[E] [gateway] Received disconnect notfication', e);
+        this.isConnected = false;
+    });
+    this.socket.on('disconnect', (e) => {
+        console.log('[E] [gateway] Disconnected from gateway: ', e);
+        this.isConnected = false;
+    });
+};
+
 const app = new Vue({
     el: '#app',
     data: {
@@ -93,7 +128,8 @@ const app = new Vue({
             _id: '',
             username: '',
             role: ''
-        }
+        },
+        gateway: new GatewayConnection()
     },
     mounted: async function() {
         const res = await fetch(`${window.location.origin}/api/v1/users/current/info`, {
@@ -109,6 +145,7 @@ const app = new Vue({
             if (json.user.permissionLevel >= 1) {
                 this.loggedInUser = json.user;
                 this.showApp = true;
+                this.performGatewayConnection();
                 this.browseCategories();
             } else {
                 this.showApp = false;
@@ -153,6 +190,10 @@ const app = new Vue({
             this.snackbarNotification = text;
             this.showSnackbarNotification = true;
         },
+        performGatewayConnection: function() {
+            // TODO: again, the thing im doing with the token is not very secure, since its being sent by the current user info endpoint and is also being send through query parameters
+            this.gateway.connect(this.loggedInUser.token);
+        },
         button: function(text, click) {
             this.cardButtons.push({ text, click });
         },
@@ -320,6 +361,9 @@ const app = new Vue({
                 this.resetSnackbarButton();
                 this.notification('Failed to fetch category');
             }
+        },
+        openChatForCategory: async function(categoryId) {
+
         },
         browseCategories: async function() {
             const res = await fetch(`${window.location.origin}/api/v1/content/category/list?count=50`, {
@@ -340,6 +384,9 @@ const app = new Vue({
 
                 this.cardButtons = [];
 
+                this.button('Chat', (post) => {
+                    this.browse(post);
+                });
                 this.button('View', (post) => {
                     this.browse(post);
                 });

config.js

@@ -10,5 +10,6 @@ module.exports = {
         'RESTRICTED': 1,
         'USER': 2,
         'ADMIN': 3
-    }
+    },
+    gatewayStillNotConnectedTimeoutMS: 15*1000
 };

index.js

@@ -4,10 +4,15 @@ const apiRoute = require('./api/v1');
 const express = require('express');
 const cookieParser = require('cookie-parser');
 const cors = require('cors')
+const http = require('http');
 
 const { authenticateEndpoint } = require('./api/v1/authfunctions');
+const GatewayServer = require('./api/v1/gateway/index');
 
 const app = express();
+const httpServer = http.createServer(app);
+
+const gateway = new GatewayServer(httpServer);
 
 app.use(express.urlencoded({ extended: false }));
 app.use(express.json());
@@ -28,6 +33,6 @@ app.get('/admin', (req, res) => {
     res.send('Keanu chungus wholesome 100 reddit moment 😀i beat up a kid that said minecraft bad 😂and my doggo bit him so i gave him snaccos😉 and we watched pewdiepie together while in elon musk’s cyber truck 😳talking about how superior reddit memers are : “haha emojis bad” 😲i said and keanu reeves came outta nowhere and said “this is wholesome 100, updoot this wholesome boy” 😗so i got alot of updoots and edit: thanks for the gold kind stranger😣. but the kind stranger revealed himself to be baby yoda eating chiccy nuggies😨 and drinking choccy milk😎 so we went to the cinema to see our (communism funny) favorite movies avengers endgame😆 but then thor played fortnite and fortnite bad😡, so then i said “reality is often dissappointing” and then baby yoda replied r/unexpectedthanos and i replied by r/expectedthanos😖 for balance and then danny devito came to pick us up from the cinema😩 and all the insta normies and gay mods stood watching😵 ,as we,superior redditors went home with danny devito to suck on his magnum dong😫 but i said no homo and started sucking,not like those gay mods😮,then the next morning we woke up to MrBeast telling us to plant 69420 million trees😌, me, baby yoda and danny said nice, and then on our way to plant 69420 million trees😊 (nice) we saw a kid doing a tiktok so keanu reeves appeared and said “we have a kid to burn” and i replied “you’re breathtaking”😄 so i said “i need a weapon” and baby yoda gave me an RPG so i blew the kid (DESTRUCTION 100)😎 and posted it on r/memes and r/dankmemes and r/pewdiepiesubmissions and got 1000000000 updoots😘,i’m sure pewds will give me a big pp, then we shat on emoji users😂😂 and started dreaming about girls that will never like me😢 and posted a lie on r/teenagers about how i got a GF after my doggo died by the hands of fortnite players😳 so i exploited his death for updoots😜, but i watched the sunset with the wholesome gang😁 (keanu,danny,Mrbeast, pewds, spongebob,stefan karl , bob ross, steve irwin, baby yoda and other artists that reddit exploits them) [Everyone liked that] WHOLESOME 100 REDDIT 100🤡');
 });
 
-app.listen(config.ports.mainServerPort, () => {
+httpServer.listen(config.ports.mainServerPort, () => {
     console.log(`Main server is listening on port ${config.ports.mainServerPort}`);
 });

package-lock.json

@@ -47,6 +47,11 @@
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
     },
+    "base64id": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog=="
+    },
     "bcrypt": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/bcrypt/-/bcrypt-5.0.0.tgz",
@@ -121,6 +126,11 @@
       "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
     },
+    "component-emitter": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
+      "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg=="
+    },
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -233,6 +243,45 @@
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
     },
+    "engine.io": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-4.0.2.tgz",
+      "integrity": "sha512-sumdttqWLNjbuSMOSgDdL2xiEld9s5QZDk9VLyr4e28o+lzNNADhU3qpQDAY7cm2VZH0Otw/U0fL8mEjZ6kBMg==",
+      "requires": {
+        "accepts": "~1.3.4",
+        "base64id": "2.0.0",
+        "cookie": "~0.4.1",
+        "cors": "~2.8.5",
+        "debug": "~4.1.0",
+        "engine.io-parser": "~4.0.0",
+        "ws": "^7.1.2"
+      },
+      "dependencies": {
+        "cookie": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
+          "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA=="
+        },
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
+    },
+    "engine.io-parser": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-4.0.1.tgz",
+      "integrity": "sha512-v5aZK1hlckcJDGmHz3W8xvI3NUHYc9t8QtTbqdR5OaH3S9iJZilPubauOm+vLWOMMWzpE3hiq92l9lTAHamRCg=="
+    },
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
@@ -1008,6 +1057,63 @@
       "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
       "integrity": "sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E="
     },
+    "socket.io": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-3.0.1.tgz",
+      "integrity": "sha512-oVYbCQ4sCwm4wVi+f1bsE3YFXcvd6b4JjVP8D7IZnQqBeJOKX9XrdgJWSbXqBEqUXPY3jdTqb1M3s4KFTa/IHg==",
+      "requires": {
+        "accepts": "~1.3.4",
+        "base64id": "~2.0.0",
+        "debug": "~4.1.0",
+        "engine.io": "~4.0.0",
+        "socket.io-adapter": "~2.0.3",
+        "socket.io-parser": "~4.0.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
+    },
+    "socket.io-adapter": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.0.3.tgz",
+      "integrity": "sha512-2wo4EXgxOGSFueqvHAdnmi5JLZzWqMArjuP4nqC26AtLh5PoCPsaRbRdah2xhcwTAMooZfjYiNVNkkmmSMaxOQ=="
+    },
+    "socket.io-parser": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.0.1.tgz",
+      "integrity": "sha512-5JfNykYptCwU2lkOI0ieoePWm+6stEhkZ2UnLDjqnE1YEjUlXXLd1lpxPZ+g+h3rtaytwWkWrLQCaJULlGqjOg==",
+      "requires": {
+        "component-emitter": "~1.3.0",
+        "debug": "~4.1.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
+    },
     "sparse-bitfield": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
@@ -1119,6 +1225,11 @@
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
+    "ws": {
+      "version": "7.4.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.0.tgz",
+      "integrity": "sha512-kyFwXuV/5ymf+IXhS6f0+eAFvydbaBW3zjpT6hUdAh/hbVjTIB5EHBGi0bPoCLSK2wcuz3BrEkB9LrYv1Nm4NQ=="
+    },
     "yallist": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",

package.json

@@ -17,6 +17,7 @@
     "express-rate-limit": "^5.1.3",
     "express-validator": "^6.6.1",
     "jsonwebtoken": "^8.5.1",
-    "mongoose": "^5.10.0"
+    "mongoose": "^5.10.0",
+    "socket.io": "^3.0.1"
   }
 }