Adapting Fix on swf upload to correct problem with swf that do no open in student view in session -Refs BT#10599

main/document/download.php

@@ -71,9 +71,12 @@ $fix_file_name = false;
 if (isset($path_info['extension']) && $path_info['extension'] == 'swf') {
     $fixed_url = str_replace('-', '_', $doc_url);
     $doc_id = DocumentManager::get_document_id(api_get_course_info(), $doc_url);
+    if (!$doc_id) {
+        $doc_id = DocumentManager::get_document_id(api_get_course_info(), $doc_url, '0');
         if (!$doc_id) {
             $fix_file_name = true;
         }
+    }
 }
 
 if (Security::check_abs_path($sys_course_path.$doc_url, $sys_course_path.'/')) {