Fix call check before call close()

Reviewed-on: #7

README.md

@@ -1,5 +1,11 @@
 # Video server
 
+### Generating certificates
+
+##### To generate SSL certificates you must:
+1. Go to `/server/ssl`
+2. Execute `openssl req -newkey rsa:2048 -new -nodes -x509 -days 3650 -keyout key.pem -out cert.pem`
+
 
 ### Development
 
@@ -26,4 +32,8 @@ accountId = account id of the unit on which you are doing the test
 producer = it will always be true because you are the producer
 (it's possible to put false, but then you have to have another client with producer true)
 assetName = asset name of the unit on which you are doing the test
-assetType = asset type of the unit on which you are doing the test
+assetType = asset type of the unit on which you are doing the test
+
+### Demo project
+  The demo project used initially and then modified for our needs `https://github.com/jamalag/mediasoup2`
+

app.js

@@ -1,21 +1,17 @@
-import 'dotenv/config'
+require('dotenv').config()
 
-/**
+const express = require('express');
- * integrating mediasoup server with a node.js application
+const app = express();
- */
+const Server = require('socket.io');
-
+const path = require('node:path');
-/* Please follow mediasoup installation requirements */
+const fs = require('node:fs');
-/* https://mediasoup.org/documentation/v3/mediasoup/installation/ */
+let https = require('https');
-import express from 'express'
+try {
-const app = express()
+  https = require('node:https');
-
+} catch (err) {
-import https from 'httpolyglot'
+  console.log('https support is disabled!');
-import fs from 'fs'
+}
-import path from 'path'
+const mediasoup = require('mediasoup');
-const __dirname = path.resolve()
-
-import Server from 'socket.io'
-import mediasoup from 'mediasoup'
 
 let worker
 /**
@@ -47,36 +43,44 @@ app.use('/sfu', express.static(path.join(__dirname, 'public')))
 // SSL cert for HTTPS access
 const options = {
   key: fs.readFileSync('./server/ssl/key.pem', 'utf-8'),
-  cert: fs.readFileSync('./server/ssl/cert.pem', 'utf-8')
+  cert: fs.readFileSync('./server/ssl/cert.pem', 'utf-8'),
 }
 
-const httpsServer = https.createServer(options, app)
+const httpsServer = https.createServer(options, app);
-
-httpsServer.listen(process.env.PORT, () => {
-  console.log('Listening on port:', process.env.PORT)
-})
 
 const io = new Server(httpsServer, {
-  allowEIO3: true
+  allowEIO3: true,
+  origins: ["*:*"],
+  // allowRequest: (req, next) => {
+  //   console.log('req', req);
+  //   next(null, true)
+  // }
 });
+// const io = new Server(server, { origins: '*:*', allowEIO3: true });
 
-// socket.io namespace (could represent a room?)
+httpsServer.listen(process.env.PORT, () => {
-const peers = io.of('/mediasoup')
+  console.log('Video server listening on port:', process.env.PORT)
+})
+
+const peers = io.of('/')
 
 const createWorker = async () => {
-  worker = await mediasoup.createWorker({
+  try {
-    rtcMinPort: 2000,
+    worker = await mediasoup.createWorker({
-    rtcMaxPort: 2020,
+      rtcMinPort: 2000,
-  })
+      rtcMaxPort: 2020,
-  console.log(`[createWorker] worker pid ${worker.pid}`)
+    })
-
+    console.log(`[createWorker] worker pid ${worker.pid}`);
-  worker.on('died', error => {
+  
-    // This implies something serious happened, so kill the application
+    worker.on('died', error => {
-    console.error('mediasoup worker has died', error)
+      // This implies something serious happened, so kill the application
-    setTimeout(() => process.exit(1), 2000) // exit in 2 seconds
+      console.error('mediasoup worker has died', error);
-  })
+      setTimeout(() => process.exit(1), 2000); // exit in 2 seconds
-
+    })
-  return worker
+    return worker;
+  } catch (error) {
+    console.log(`ERROR | createWorker | ${error.message}`);
+  }
 }
 
 // We create a Worker as soon as our application starts
@@ -104,160 +108,239 @@ const mediaCodecs = [
 ]
 
 const closeCall = (callId) => {
-  if (videoCalls[callId]) {
+  try {
-    videoCalls[callId].producer?.close();
+    if (videoCalls[callId]) {
-    videoCalls[callId].consumer?.close();
+      videoCalls[callId].producer?.close();
-    videoCalls[callId]?.consumerTransport.close();
+      videoCalls[callId].consumer?.close();
-    videoCalls[callId]?.producerTransport.close();
+      videoCalls[callId]?.consumerTransport?.close();
-    videoCalls[callId].router.close();
+      videoCalls[callId]?.producerTransport?.close();
-    delete videoCalls[callId].router;
+      videoCalls[callId]?.router?.close();
+      delete videoCalls[callId];
+    } else {
+      console.log(`The call with id ${callId} has already been deleted`);
+    }
+  } catch (error) {
+    console.log(`ERROR | closeCall | callid ${callId} | ${error.message}`);
   }
 }
 
 const getRtpCapabilities = (callId, callback) => {
-  console.log('[getRtpCapabilities] callId', callId);
+  try {
-  const rtpCapabilities = videoCalls[callId].router.rtpCapabilities;
+    console.log('[getRtpCapabilities] callId', callId);
-  callback({ rtpCapabilities });
+    const rtpCapabilities = videoCalls[callId].router.rtpCapabilities;
+    callback({ rtpCapabilities });
+  } catch (error) {
+    console.log(`ERROR | getRtpCapabilities | callId ${callId} | ${error.message}`);
+  }
 }
 
+/*
+  - Handlers for WS events
+  - These are created only when we have a connection with a peer
+*/
 peers.on('connection', async socket => {
-  console.log('[connection] socketId:', socket.id)
+  console.log('[connection] socketId:', socket.id);
+
+  // After making the connection successfully, we send the client a 'connection-success' event
   socket.emit('connection-success', {
     socketId: socket.id
-  })
+  });
 
+  // It is triggered when the peer is disconnected
   socket.on('disconnect', () => {
-    // do some cleanup
+    const callId = socketDetails[socket.id];
-    console.log('peer disconnected | socket.id', socket.id)
+    console.log(`disconnect | socket ${socket.id} | callId ${callId}`);
     delete socketDetails[socket.id];
-  })
+    closeCall(callId);
+  });
 
+  /*
+    - This event creates a room with the roomId and the callId sent
+    - It will return the rtpCapabilities of that room
+    - If the room already exists, it will not create it, but will only return rtpCapabilities
+  */
   socket.on('createRoom', async ({ callId }, callback) => {
-    if (callId) {
+    try {
-      console.log(`[createRoom] socket.id ${socket.id} callId ${callId}`);
+      if (callId) {
-      if (!videoCalls[callId]) {
+        console.log(`[createRoom] socket.id ${socket.id} callId ${callId}`);
-        console.log('[createRoom] callId', callId);
+        if (!videoCalls[callId]) {
-        videoCalls[callId] = { router: await worker.createRouter({ mediaCodecs }) }
+          console.log('[createRoom] callId', callId);
-        console.log(`[createRoom] Router ID: ${videoCalls[callId].router.id}`);
+          videoCalls[callId] = { router: await worker.createRouter({ mediaCodecs }) }
+          console.log(`[createRoom] Router ID: ${videoCalls[callId].router.id}`);
+        }
+        socketDetails[socket.id] = callId;
+        getRtpCapabilities(callId, callback);
+      } else {
+        console.log(`[createRoom] missing callId ${callId}`);
       }
-      socketDetails[socket.id] = callId;
+    } catch (error) {
-      getRtpCapabilities(callId, callback);
+      console.log(`ERROR | createRoom | callId ${callId} | ${error.message}`);
-    } else {
+    }
-      console.log(`[createRoom] missing callId ${callId}`);
+  });
+
+  /*
+    - Client emits a request to create server side Transport
+    - Depending on the sender, producerTransport or consumerTransport is created on that router
+    - It will return parameters, these are required for the client to create the RecvTransport 
+    from the client.
+      - If the client is producer(sender: true) then it will use parameters for device.createSendTransport(params)
+      - If the client is a consumer(sender: false) then it will use parameters for device.createRecvTransport(params)
+  */
+  socket.on('createWebRtcTransport', async ({ sender }, callback) => {
+    try {
+      const callId = socketDetails[socket.id];
+      console.log(`[createWebRtcTransport] sender ${sender} | callId ${callId}`);
+      if (sender) {
+        if (!videoCalls[callId].producerTransport) {
+          videoCalls[callId].producerTransport = await createWebRtcTransportLayer(callId, callback);
+        } else {
+          console.log(`producerTransport has already been defined | callId ${callId}`);
+        }
+      } else if (!sender) {
+        if (!videoCalls[callId].consumerTransport) {
+          videoCalls[callId].consumerTransport = await createWebRtcTransportLayer(callId, callback);
+        } else {
+          console.log(`consumerTransport has already been defined | callId ${callId}`);
+        }
+      }
+    } catch (error) {
+      console.log(`ERROR | createWebRtcTransport | callId ${callId} | sender ${sender} | ${error.message}`);
+    }
+  });
+
+  /*
+    - The client sends this event after successfully creating a createSendTransport(AS PRODUCER)
+    - The connection is made to the created transport
+  */
+  socket.on('transport-connect', async ({ dtlsParameters }) => {
+    try {
+      const callId = socketDetails[socket.id];
+      console.log(`[transport-connect] socket.id ${socket.id} | callId ${callId}`)
+      await videoCalls[callId].producerTransport.connect({ dtlsParameters });
+    } catch (error) {
+      console.log(`ERROR | transport-connect | callId ${socketDetails[socket.id]} | ${error.message}`);
+    }
+  });
+
+  /*
+    - The event sent by the client (PRODUCER) after successfully connecting to producerTransport
+    - For the router with the id callId, we make produce on producerTransport
+    - Create the handler on producer at the 'transportclose' event
+  */
+  socket.on('transport-produce', async ({ kind, rtpParameters, appData }) => {
+    try {
+      const callId = socketDetails[socket.id];
+      console.log('[transport-produce] | socket.id', socket.id, '| callId', callId);
+      videoCalls[callId].producer = await videoCalls[callId].producerTransport.produce({
+        kind,
+        rtpParameters,
+      });
+      console.log(`[transport-produce] Producer ID: ${videoCalls[callId].producer.id} | kind: ${videoCalls[callId].producer.kind}`);
+  
+      videoCalls[callId].producer.on('transportclose', () => {
+        const callId = socketDetails[socket.id];
+        console.log('transport for this producer closed', callId)
+        closeCall(callId);
+      });
+    } catch (error) {
+      console.log(`ERROR | transport-produce | callId ${socketDetails[socket.id]} | ${error.message}`);
+    }
+  });
+
+  /*
+    - The client sends this event after successfully creating a createRecvTransport(AS CONSUMER)
+    - The connection is made to the created consumerTransport
+  */
+  socket.on('transport-recv-connect', async ({ dtlsParameters }) => {
+    try {
+      const callId = socketDetails[socket.id];
+      console.log(`[transport-recv-connect] socket.id ${socket.id} | callId ${callId}`);
+      await videoCalls[callId].consumerTransport.connect({ dtlsParameters });
+    } catch (error) {
+      console.log(`ERROR | transport-recv-connect | callId ${socketDetails[socket.id]} | ${error.message}`);
     }
   })
 
-  // Client emits a request to create server side Transport
+  /*
-  // We need to differentiate between the producer and consumer transports
+    - The customer consumes after successfully connecting to consumerTransport
-  socket.on('createWebRtcTransport', async ({ sender, callId }, callback) => {
+    - The previous step was 'transport-recv-connect', and before that 'createWebRtcTransport'
-    console.log(`[createWebRtcTransport] Is this a sender request? ${sender} | callId ${callId}`)
+    - This event is only sent by the consumer
-    // The client indicates if it is a producer or a consumer
+    - The parameters that the consumer consumes are returned
-    // if sender is true, indicates a producer else a consumer
+      - The consumer does consumerTransport.consume(params)
-    if (sender)
+  */
-      videoCalls[callId].producerTransport = await createWebRtcTransportLayer(callId, callback)
-    else
-      videoCalls[callId].consumerTransport = await createWebRtcTransportLayer(callId, callback)
-  })
-
-  // see client's socket.emit('transport-connect', ...)
-  socket.on('transport-connect', async ({ dtlsParameters }) => {
-    const callId = socketDetails[socket.id];
-    console.log(`[transport-connect] socket.id ${socket.id} | callId ${callId} | DTLS PARAMS... ${dtlsParameters}`)
-    await videoCalls[callId].producerTransport.connect({ dtlsParameters })
-  })
-
-  // see client's socket.emit('transport-produce', ...)
-  socket.on('transport-produce', async ({ kind, rtpParameters, appData }) => {
-    const callId = socketDetails[socket.id];
-    console.log('[transport-produce] | socket.id', socket.id, '| callId', callId);
-    // call produce based on the prameters from the client
-    videoCalls[callId].producer = await videoCalls[callId].producerTransport.produce({
-      kind,
-      rtpParameters,
-    })
-    console.log(`[transport-produce] Producer ID: ${videoCalls[callId].producer.id} | kind: ${videoCalls[callId].producer.kind}`)
-
-    videoCalls[callId].producer.on('transportclose', () => {
-      const callId = socketDetails[socket.id];
-      console.log('transport for this producer closed', callId)
-      closeCall(callId);
-    })
-  })
-
-  // see client's socket.emit('transport-recv-connect', ...)
-  socket.on('transport-recv-connect', async ({ dtlsParameters }) => {
-    const callId = socketDetails[socket.id];
-    console.log(`[transport-recv-connect] socket.id ${socket.id} | callId ${callId} | DTLS PARAMS: ${dtlsParameters}`);
-    await videoCalls[callId].consumerTransport.connect({ dtlsParameters })
-  })
-
   socket.on('consume', async ({ rtpCapabilities }, callback) => {
-    const callId = socketDetails[socket.id];
-    console.log('[consume] callId', callId);
     try {
-      // console.log('consume', rtpCapabilities, callId);
+      const callId = socketDetails[socket.id];
-      // check if the router can consume the specified producer
+      console.log('[consume] callId', callId);
+
+      // Check if the router can consume the specified producer
       if (videoCalls[callId].router.canConsume({
         producerId: videoCalls[callId].producer.id,
         rtpCapabilities
       })) {
         console.log('[consume] Can consume', callId);
-        // transport can now consume and return a consumer
+        // Transport can now consume and return a consumer
         videoCalls[callId].consumer = await videoCalls[callId].consumerTransport.consume({
           producerId: videoCalls[callId].producer.id,
           rtpCapabilities,
           paused: true,
-        })
+        });
 
+        // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
         videoCalls[callId].consumer.on('transportclose', () => {
           const callId = socketDetails[socket.id];
-          console.log('transport close from consumer', callId)
+          console.log('transport close from consumer', callId);
-          
+          closeCall();
-          // https://mediasoup.org/documentation/v3/mediasoup/api/#router-close
+        });
-          videoCalls[callId].producer.close()
-          videoCalls[callId].consumer.close()
-          delete videoCalls[callId].router
-        })
 
+        // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-producerclose
         videoCalls[callId].consumer.on('producerclose', () => {
           const callId = socketDetails[socket.id];
-          console.log('producer of consumer closed', callId)
+          console.log('producer of consumer closed', callId);
-          
+          closeCall();
-          // https://mediasoup.org/documentation/v3/mediasoup/api/#router-close
+        });
-          closeCall()
-        })
 
-        // from the consumer extract the following params
+        // From the consumer extract the following params to send back to the Client
-        // to send back to the Client
         const params = {
           id: videoCalls[callId].consumer.id,
           producerId: videoCalls[callId].producer.id,
           kind: videoCalls[callId].consumer.kind,
           rtpParameters: videoCalls[callId].consumer.rtpParameters,
-        }
+        };
 
-        // send the parameters to the client
+        // Send the parameters to the client
-        callback({ params })
+        callback({ params });
       } else {
-        console.log('[canConsume] Can\'t consume')
+        console.log(`[canConsume] Can't consume | callId ${callId}`);
       }
     } catch (error) {
-      console.log('[consume] Error', error.message)
+      console.log(`ERROR | consume | callId ${callId} | ${error.message}`)
-      callback({
+      callback({ params: { error } });
-        params: {
-          error: error
-        }
-      })
     }
-  })
+  });
 
+  /*
+    - Event sent by the consumer after consuming to resume the pause
+    - When consuming on consumerTransport, it is initially done with paused: true, here we will resume 
+  */
   socket.on('consumer-resume', async () => {
-    const callId = socketDetails[socket.id];
+    try {
-    console.log(`[consumer-resume] callId ${callId}`)
+      const callId = socketDetails[socket.id];
-    await videoCalls[callId].consumer.resume()
+      console.log(`[consumer-resume] callId ${callId}`)
-  })
+      await videoCalls[callId].consumer.resume();
-})
+    } catch (error) {
+      console.log(`ERROR | consumer-resume | callId ${socketDetails[socket.id]} | ${error.message}`);
+    }
+  });
+});
 
+/*
+  - Called from at event 'createWebRtcTransport' and assigned to the consumer or producer transport
+  - It will return parameters, these are required for the client to create the RecvTransport 
+    from the client.
+    - If the client is producer(sender: true) then it will use parameters for device.createSendTransport(params)
+    - If the client is a consumer(sender: false) then it will use parameters for device.createRecvTransport(params)
+*/
 const createWebRtcTransportLayer = async (callId, callback) => {
   try {
     console.log('[createWebRtcTransportLayer] callId', callId);
@@ -272,45 +355,40 @@ const createWebRtcTransportLayer = async (callId, callback) => {
       enableUdp: true,
       enableTcp: true,
       preferUdp: true,
-    }
+    };
-
-    // console.log('webRtcTransport_options', webRtcTransport_options);
     
     // https://mediasoup.org/documentation/v3/mediasoup/api/#router-createWebRtcTransport
     let transport = await videoCalls[callId].router.createWebRtcTransport(webRtcTransport_options)
     console.log(`callId: ${callId} | transport id: ${transport.id}`)
 
+    // Handler for when DTLS(Datagram Transport Layer Security) changes
     transport.on('dtlsstatechange', dtlsState => {
+      console.log(`transport | dtlsstatechange | calldId ${callId} | dtlsState ${dtlsState}`);
       if (dtlsState === 'closed') {
-        transport.close()
+        transport.close();
       }
-    })
+    });
 
+    // Handler if the transport layer has closed (for various reasons)
     transport.on('close', () => {
-      console.log('transport closed')
+      console.log(`transport | closed | calldId ${callId}`);
-    })
+    });
 
     const params = {
       id: transport.id,
       iceParameters: transport.iceParameters,
       iceCandidates: transport.iceCandidates,
       dtlsParameters: transport.dtlsParameters,
-    }
+    };
 
-    // send back to the client the following prameters
+    // Send back to the client the params
-    callback({
+    callback({ params });
-      // https://mediasoup.org/documentation/v3/mediasoup-client/api/#TransportOptions
-      params
-    })
 
-    return transport
+    // Set transport to producerTransport or consumerTransport
+    return transport;
 
   } catch (error) {
-    console.log('[createWebRtcTransportLayer] ERROR', JSON.stringify(error));
+    console.log(`ERROR | createWebRtcTransportLayer | callId ${callId} | ${error.message}`);
-    callback({
+    callback({ params: { error } });
-      params: {
-        error: error
-      }
-    })
   }
 }

package-lock.json

@@ -12,7 +12,6 @@
         "@types/express": "^4.17.13",
         "dotenv": "^16.0.1",
         "express": "^4.18.1",
-        "httpolyglot": "^0.1.2",
         "mediasoup": "^3.10.4",
         "mediasoup-client": "^3.6.54",
         "parcel": "^2.7.0",
@@ -1792,27 +1791,6 @@
         "node": ">=10"
       }
     },
-    "node_modules/@pm2/agent/node_modules/ws": {
-      "version": "7.4.6",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
-      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
-      "dev": true,
-      "engines": {
-        "node": ">=8.3.0"
-      },
-      "peerDependencies": {
-        "bufferutil": "^4.0.1",
-        "utf-8-validate": "^5.0.2"
-      },
-      "peerDependenciesMeta": {
-        "bufferutil": {
-          "optional": true
-        },
-        "utf-8-validate": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/@pm2/io": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/@pm2/io/-/io-5.0.0.tgz",
@@ -2388,11 +2366,6 @@
       "integrity": "sha512-iAB+JbDEGXhyIUavoDl9WP/Jj106Kz9DEn1DPgYw5ruDn0e3Wgi3sKFm55sASdGBNOQB8F59d9qQ7deqrHA8wQ==",
       "dev": true
     },
-    "node_modules/async-limiter": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
-      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
-    },
     "node_modules/async-listener": {
       "version": "0.6.10",
       "resolved": "https://registry.npmjs.org/async-listener/-/async-listener-0.6.10.tgz",
@@ -2455,9 +2428,9 @@
       }
     },
     "node_modules/base64-arraybuffer": {
-      "version": "0.1.5",
+      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz",
-      "integrity": "sha512-437oANT9tP582zZMwSvZGy2nmSeAb8DW2me3y+Uv1Wp2Rulr8Mqlyrv3E7MLxmsiaPSMMDmiDVzgE+e8zlMx9g==",
+      "integrity": "sha512-a1eIFi4R9ySrbiMuyTGx5e92uRH5tQY6kArNcFaKBUleIoLjdjBg7Zxm3Mqm3Kmkf27HLR/1fnxX9q8GQ7Iavg==",
       "engines": {
         "node": ">= 0.6.0"
       }
@@ -2483,22 +2456,11 @@
       ]
     },
     "node_modules/base64id": {
-      "version": "1.0.0",
+      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
-      "integrity": "sha512-rz8L+d/xByiB/vLVftPkyY215fqNrmasrcJsYkVcm4TgJNz+YXKrFaFAWibSaHkiKoSgMDCb+lipOIRQNGYesw==",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==",
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+          "requires": {
+            "component-emitter": "~1.3.0",
+            "debug": "~3.1.0",
+            "isarray": "2.0.1"
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+        }
+      }
+    },
+    "socket.io-parser": {
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.1.tgz",
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+      "requires": {
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+        "debug": "~4.1.0",
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+      "dependencies": {
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+          "requires": {
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+          }
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
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@@ -14023,11 +14000,6 @@
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-    "uws": {
-      "version": "9.14.0",
-      "resolved": "https://registry.npmjs.org/uws/-/uws-9.14.0.tgz",
-      "integrity": "sha512-HNMztPP5A1sKuVFmdZ6BPVpBQd5bUjNC8EFMFiICK+oho/OQsAJy5hnIx4btMHiOk8j04f/DbIlqnEZ9d72dqg==",
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     "v8-compile-cache": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz",
@@ -14273,26 +14239,15 @@
       "dev": true
     },
     "ws": {
-      "version": "3.3.3",
+      "version": "7.4.6",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
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-      "requires": {
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-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0",
-        "ultron": "~1.1.0"
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-      }
     },
     "xmlhttprequest-ssl": {
-      "version": "1.5.5",
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-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
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     "xregexp": {
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package.json

@@ -5,19 +5,17 @@
   "main": "app.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "start:dev": "nodemon app.ts",
+    "start:dev": "nodemon app.js",
     "start:prod": "pm2 start ./app.js -n video-server",
     "watch": "watchify public/index.js -o public/bundle.js -v"
   },
   "keywords": [],
   "author": "",
   "license": "ISC",
-  "type": "module",
   "dependencies": {
     "@types/express": "^4.17.13",
     "dotenv": "^16.0.1",
     "express": "^4.18.1",
-    "httpolyglot": "^0.1.2",
     "mediasoup": "^3.10.4",
     "mediasoup-client": "^3.6.54",
     "parcel": "^2.7.0",