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

1 files changed, 5 insertions, 2 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
@@ -723,4 +723,7 @@ error_log("message");
                                 //=============================================================
-                        } else {
+                        } else if (isset($_SESSION['K'])) {
                                 $result["error"] = "Wrong shared secret!";
+                        } else {
+                            $result["result"] = "EXCEPTION";
+                            $result["message"] = "Trying to communicate without an active connection";
                         }
@@ -743,2 +746,2 @@ error_log("default");
 error_log("result: ".json_encode($result));
-?>
\ No newline at end of file
+?>