Added BREACH attack mittigation, #4084

views/download.handlebars

@@ -43,6 +43,7 @@
         </div>
     </div>
     <script>
+        var random = '{{{randomlength}}}' // Random length string for BREACH mitigation
         var messageid = parseInt('{{{messageid}}}');
         var fileurl = '{{{fileurl}}}';
         var filename = '{{{filename}}}';