Added anonymous/private logic

src/Broker/SseSubscriber.php

@@ -2,12 +2,15 @@
 
 namespace NoccyLabs\Mercureact\Broker;
 
+use NoccyLabs\SimpleJWT\JWTToken;
+use Psr\Http\Message\ServerRequestInterface;
 use React\Stream\WritableStreamInterface;
 
 class SseSubscriber implements SubscriberInterface
 {
     public function __construct(
-        private WritableStreamInterface $stream
+        private WritableStreamInterface $stream,
+        private ServerRequestInterface $request,
     )
     {
     }
@@ -17,8 +20,8 @@ class SseSubscriber implements SubscriberInterface
         $this->stream->write($message->toString());
     }
 
-    public function isAuthorized(string $topics): bool
+    public function isAuthorized(): bool
     {
-        return true;
+        return $this->request->getAttribute('authorization') instanceof JWTToken;
     }
 }

src/Broker/SubscriberInterface.php

@@ -6,5 +6,5 @@ interface SubscriberInterface
 {
     public function deliver(Message $message): void;
 
-    public function isAuthorized(string $topics): bool;
+    public function isAuthorized(): bool;
 }

src/Broker/Topic.php

@@ -29,9 +29,17 @@ class Topic
     public function publish(Message $message)
     {
         // TODO check if message id has already been published
+        if (isset($this->messages[$message->id])) return;
+
+        $this->messages[$message->id] = $message;
+
 
         foreach ($this->subscribers as $subscriber) {
-            // Deliver to all subscribers
+            // Skip sending private messages to unauthorized subscribers
+            if ($message->private && !$subscriber->isAuthorized()) {
+                continue;
+            }
+            // Deliver to the subscriber
             $subscriber->deliver($message);
         }
     }

src/Broker/TopicManager.php

@@ -34,8 +34,7 @@ class TopicManager
     public function subscribe(SubscriberInterface $subscriber, array $topics): void
     {
         foreach ($topics as $topic) {
-            if ($subscriber->isAuthorized($topic))
-                $this->getTopic($topic)->addSubscriber($subscriber);
+            $this->getTopic($topic)->addSubscriber($subscriber);
         }
         $this->subscribers->attach($subscriber);
     }