--- loncom/interface/lonuserutils.pm	2017/04/10 23:18:54	1.183
+++ loncom/interface/lonuserutils.pm	2017/11/01 02:51:07	1.184.2.1
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.183 2017/04/10 23:18:54 raeburn Exp $
+# $Id: lonuserutils.pm,v 1.184.2.1 2017/11/01 02:51:07 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1121,8 +1121,10 @@ sub print_upload_manager_form {
     if (!$env{'form.datatoken'}) {
         $datatoken=&Apache::loncommon::upfile_store($r);
     } else {
-        $datatoken=$env{'form.datatoken'};
-        &Apache::loncommon::load_tmp_file($r);
+        $datatoken=&Apache::loncommon::valid_datatoken($env{'form.datatoken'});
+        if ($datatoken ne '') {
+            &Apache::loncommon::load_tmp_file($r,$datatoken);
+        }
     }
     my @records=&Apache::loncommon::upfile_record_sep();
     if($env{'form.noFirstLine'}){
@@ -2757,7 +2759,7 @@ END
                .'<input type="checkbox" name="userwin" value="1"'.$checkwin.' />'.$lt{'owin'}
                .'</label></span></td></tr></table></fieldset></div>';
         }
-        $output .= "\n".'<br clear="all" />'."\n".
+        $output .= "\n".'<div style="padding:0;clear:both;margin:0;border:0"></div>'."\n".
                   &Apache::loncommon::start_data_table().
                   &Apache::loncommon::start_data_table_header_row();
         if ($mode eq 'autoenroll') {
@@ -4107,7 +4109,10 @@ sub print_first_users_upload_form {
 # ================================================= Drop/Add from uploaded file
 sub upfile_drop_add {
     my ($r,$context,$permission,$showcredits) = @_;
-    &Apache::loncommon::load_tmp_file($r);
+    my $datatoken = &Apache::loncommon::valid_datatoken($env{'form.datatoken'});
+    if ($datatoken ne '') {
+        &Apache::loncommon::load_tmp_file($r,$datatoken);
+    }
     my @userdata=&Apache::loncommon::upfile_record_sep();
     if($env{'form.noFirstLine'}){shift(@userdata);}
     my @keyfields = split(/\,/,$env{'form.keyfields'});