send an exception when a session has timed out on the server side

1 files changed, 4 insertions, 1 deletions

diff --git a/backend/php/src/index.php b/backend/php/src/index.php
index eb3d75a..35752f4 100644
--- a/backend/php/src/index.php
+++ b/backend/php/src/index.php
@@ -721,8 +721,11 @@ error_log("message");
                                 }
                                 
                                 //=============================================================
-                        } else {
+                        } else if (isset($_SESSION['K'])) {
                                 $result["error"] = "Wrong shared secret!";
+                        } else {
+                            $result["result"] = "EXCEPTION";
+                            $result["message"] = "Trying to communicate without an active connection";
                         }
                         break;