desc

.env.example

@@ -15,3 +15,9 @@ DB_DATABASE=callDB
 DB_USERNAME=callDbUser
 DB_PASSWORD=replace_with_db_password
 
+# Coturn TURN server settings
+TURN_URL=turn:turn.intaleqapp.com:3478
+TURN_USERNAME=intaleq_call_user
+TURN_CREDENTIAL=intaleq_call_password_secret
+
+

internal/config/config.js

@@ -42,4 +42,7 @@ export const config = {
   dbDatabase: process.env.DB_DATABASE || 'callDB',
   dbUsername: process.env.DB_USERNAME || '',
   dbPassword: process.env.DB_PASSWORD || '',
+  turnUrl: process.env.TURN_URL || '',
+  turnUsername: process.env.TURN_USERNAME || '',
+  turnCredential: process.env.TURN_CREDENTIAL || '',
 };

internal/protocol/messages.js

@@ -33,7 +33,7 @@ export const ErrPayloadTooLarge     = 'payload_too_large';
 export const ErrRateLimited         = 'rate_limited';
 
 // Helper constructors for encoding server messages
-export const newAuthenticated = (userID) => JSON.stringify({ type: TypeAuthenticated, user_id: userID });
+export const newAuthenticated = (userID, iceServers) => JSON.stringify({ type: TypeAuthenticated, user_id: userID, ice_servers: iceServers });
 export const newSessionCreated = (sessionID, rideID, expiresIn) => JSON.stringify({ type: TypeSessionCreated, session_id: sessionID, ride_id: rideID, expires_in: expiresIn });
 export const newSessionJoined = (sessionID, rideID) => JSON.stringify({ type: TypeSessionJoined, session_id: sessionID, ride_id: rideID });
 export const newParticipantJoined = (role) => JSON.stringify({ type: TypeParticipantJoined, role });

internal/ws/hub.js

@@ -1,6 +1,7 @@
 import { logger } from '../logger/logger.js';
 import * as protocol from '../protocol/messages.js';
 import { logSessionActive, logSessionInitiator, logSessionEnded } from '../db/db.js';
+import { config } from '../config/config.js';
 
 /**
  * Hub is the central coordinator for all active call sessions and client sockets.
@@ -303,8 +304,26 @@ export class Hub {
         remote_ip: connectionIP
       });
 
-      // Confirm successful authentication to the client
-      client.send(protocol.newAuthenticated(client.userID));
+      // Prepare ICE servers configuration dynamically
+      const iceServers = [
+        { urls: 'stun:stun.l.google.com:19302' },
+        { urls: 'stun:stun1.l.google.com:19302' }
+      ];
+      if (config.turnUrl) {
+        iceServers.push({
+          urls: `${config.turnUrl}?transport=udp`,
+          username: config.turnUsername,
+          credential: config.turnCredential
+        });
+        iceServers.push({
+          urls: `${config.turnUrl}?transport=tcp`,
+          username: config.turnUsername,
+          credential: config.turnCredential
+        });
+      }
+
+      // Confirm successful authentication to the client with the dynamic ICE servers configuration
+      client.send(protocol.newAuthenticated(client.userID, iceServers));
 
       // Trigger WebRTC active session joined if both are connected
       if (sess.driverConn && sess.passengerConn) {