Error on PUBLISH with empty topic

moscajs · Jul 21, 2017 · 79e8854 · 79e8854
1 parent dcaf4f7
commit 79e8854
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/handlers/publish.js b/lib/handlers/publish.js
@@ -19,6 +19,10 @@ var publishActions = [
 function handlePublish (client, packet, done) {
   var topic = packet.topic
   var err
+  if (topic.length === 0) {
+    err = new Error('empty topic not allowed in PUBLISH')
+    return done(err)
+  }
   for (var i = 0; i < topic.length; i++) {
     switch (topic.charCodeAt(i)) {
       case 35: