WebSocket API, new ID/encrypt/decrypt algorithm.

server/routes/ws/campaign/[id].ts

@@ -1,30 +1,36 @@
-const TRIGGER_CHAR = {
-    PING: String.fromCharCode(0x02),
-    PONG: String.fromCharCode(0x03),
-    STATUS: String.fromCharCode(0x04),
-};
+import type { SocketMessage } from "#shared/websocket.util";
+import type { User } from "~/types/auth";
 
 export default defineWebSocketHandler({
     message(peer, message) {
-        switch(message.rawData)
+        const data = message.json<SocketMessage>();
+        switch(data.type)
         {
-            case TRIGGER_CHAR.PING:
-                peer.send(TRIGGER_CHAR.PONG);
-                return;
-            default:
+            case 'PING':
+                peer.send(JSON.stringify({ type: 'PONG' }));
                 return;
+
+            default: return;
         }
     },
-    open(peer) {
+    async open(peer) {
         const id = new URL(peer.request.url).pathname.split('/').slice(-1)[0];
         if(!id) return peer.close();
-        peer.subscribe(`campaigns/${id}`);
-        peer.publish(`campaigns/${id}`, `${TRIGGER_CHAR.STATUS}`);
+
+        const session = await getUserSession(peer);
+        if(!session ||!session.user) return peer.close();
+        peer.context.user = session.user;
+
+        const topic = `campaigns/${id}`;
+        peer.subscribe(topic);
+        peer.publish(topic, { type: 'user', data: [{ user: (peer.context.user as User).id, status: true }] });
+        peer.send({ type: 'user', data: peer.peers.values().filter(e => e.topics.has(topic)).map(e => ({ user: (e.context.user as User).id, status: true })).toArray() })
     },
     close(peer, details) {
         const id = new URL(peer.request.url).pathname.split('/').slice(-1)[0];
         if(!id) return peer.close();
-        peer.publish(`campaigns/${id}`, false);
+        
+        peer.publish(`campaigns/${id}`, { type: 'user', data: [{ user: (peer.context.user as User).id, status: false }] });
         peer.unsubscribe(`campaigns/${id}`);
     }
 });