feat: Automatic logout when session expires

Closes #693

server/api/hooks/watcher/index.js

@@ -0,0 +1,38 @@
+/**
+ * watcher hook
+ *
+ * @description :: A hook definition. Extends Sails by adding shadow routes, implicit actions,
+ *                 and/or initialization logic.
+ * @docs        :: https://sailsjs.com/docs/concepts/extending-sails/hooks
+ */
+
+module.exports = function defineWatcherHook(sails) {
+  const checkSocketConnectionsToLogout = () => {
+    Object.keys(sails.io.sockets.adapter.rooms).forEach((room) => {
+      if (!room.startsWith('@accessToken:')) {
+        return;
+      }
+
+      const accessToken = room.split(':')[1];
+
+      try {
+        sails.helpers.utils.verifyToken(accessToken);
+      } catch (error) {
+        sails.sockets.broadcast(room, 'logout');
+        sails.sockets.leaveAll(room);
+      }
+    });
+  };
+
+  return {
+    /**
+     * Runs when this Sails app loads/lifts.
+     */
+
+    async initialize() {
+      sails.log.info('Initializing custom hook (`watcher`)');
+
+      setInterval(checkSocketConnectionsToLogout, 60 * 1000);
+    },
+  };
+};