mmtx integration / server installer

server/src/services/videoSocketService.js

@@ -0,0 +1,47 @@
+const io = require('../globals/io');
+const logger = require('../globals/logger').child('videoSocket');
+const { getMode, MODES } = require('./modeManager');
+const { isAdmin, isLockdownAdmin, getRole } = require('./roleService');
+const videoSessions = require('./videoSessions');
+const roverManager = require('./roverManager');
+const { loadConfig } = require('../helpers/configLoader');
+
+const config = loadConfig();
+const mediaConfig = config.media || {};
+
+function canView(socket, roverId) {
+  const mode = getMode();
+  if (mode === MODES.LOCKDOWN && !isLockdownAdmin(socket)) {
+    return false;
+  }
+  if (mode === MODES.ADMIN && !isAdmin(socket)) {
+    return false;
+  }
+  const role = getRole(socket);
+  if (role === 'spectator' || isAdmin(socket)) {
+    return true;
+  }
+  return roverManager.isDriver(roverId, socket);
+}
+
+io.on('connection', (socket) => {
+  socket.on('video:request', ({ roverId } = {}, cb = () => {}) => {
+    try {
+      if (!mediaConfig.whepBaseUrl) {
+        throw new Error('Server video base URL missing');
+      }
+      if (!roverId) {
+        throw new Error('roverId required');
+      }
+      if (!canView(socket, roverId)) {
+        throw new Error('Not authorized for video');
+      }
+      const sessionId = videoSessions.createSession(socket, roverId);
+      const url = `${mediaConfig.whepBaseUrl.replace(/\/$/, '')}/${roverId}?session=${sessionId}`;
+      cb({ url });
+    } catch (err) {
+      logger.warn('video request failed: %s', err.message);
+      cb({ error: err.message });
+    }
+  });
+});