Do not forward UP messages to upstream

docs/releases.md

@@ -1225,6 +1225,7 @@ and the [ntfy Android app](https://github.com/binwiederhier/ntfy-android/release
 **Bug fixes:**
 
 * Support encoding any header as RFC 2047 ([#737](https://github.com/binwiederhier/ntfy/issues/737), thanks to [@cfouche3005](https://github.com/cfouche3005) for reporting)
+* Do not forward poll requests for UnifiedPush messages (no ticket, thanks to NoName for reporting)
 
 **Maintenance:**
 

server/server.go

@@ -760,7 +760,7 @@ func (s *Server) handlePublishInternal(r *http.Request, v *visitor) (*message, e
 		if s.config.TwilioAccount != "" && call != "" {
 			go s.callPhone(v, r, m, call)
 		}
-		if s.config.UpstreamBaseURL != "" {
+		if s.config.UpstreamBaseURL != "" && !unifiedpush { // UP messages are not sent to upstream
 			go s.forwardPollRequest(v, m)
 		}
 	} else {

server/server_test.go

@@ -2559,6 +2559,29 @@ func TestServer_UpstreamBaseURL_With_Access_Token_Success(t *testing.T) {
 	})
 }
 
+func TestServer_UpstreamBaseURL_DoNotForwardUnifiedPush(t *testing.T) {
+	upstreamServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		t.Fatal("UnifiedPush messages should not be forwarded")
+	}))
+	defer upstreamServer.Close()
+
+	c := newTestConfigWithAuthFile(t)
+	c.BaseURL = "http://myserver.internal"
+	c.UpstreamBaseURL = upstreamServer.URL
+	s := newTestServer(t, c)
+
+	// Send UP message, this should not forward to upstream server
+	response := request(t, s, "PUT", "/mytopic?up=1", `hi there`, nil)
+	require.Equal(t, 200, response.Code)
+	m := toMessage(t, response.Body.String())
+	require.NotEmpty(t, m.ID)
+	require.Equal(t, "hi there", m.Message)
+
+	// Forwarding is done asynchronously, so wait a bit.
+	// This ensures that the t.Fatal above is actually not triggered.
+	time.Sleep(500 * time.Millisecond)
+}
+
 func newTestConfig(t *testing.T) *Config {
 	conf := NewConfig()
 	conf.BaseURL = "http://127.0.0.1:12345"