--- loncom/interface/lonsearchcourse.pm	2020/09/22 11:23:08	1.5
+++ loncom/interface/lonsearchcourse.pm	2024/02/11 20:32:42	1.8
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Search Course
 #
-# $Id: lonsearchcourse.pm,v 1.5 2020/09/22 11:23:08 raeburn Exp $
+# $Id: lonsearchcourse.pm,v 1.8 2024/02/11 20:32:42 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -261,10 +261,18 @@ sub checkonthis {
        }
        my $href=$url;
        if ($hash{'encrypted_'.$id} && !$env{'request.role.adv'}) {
-           $href=&Apache::lonenc::encrypted($href)
-               .'?symb='.&Apache::lonenc::encrypted($symb);
+           $href=&Apache::lonenc::encrypted($href);
+           if ($href =~ /\.sequence$/) {
+               $href .= '?navmap=1';
+           } else {
+               $href .= '?symb='.&Apache::lonenc::encrypted($symb);
+           }
        } else {
-           $href.='?symb='.&escape($symb);
+           if ($href =~ /\.sequence$/) {
+               $href .= '?navmap=1';
+           } else {
+               $href .= '?symb='.&escape($symb);
+           }
        }
        $r->print('<a href="'.$href.'" target="cat">'.($title?$title:$url).
                  '</a><br />');
@@ -329,10 +337,27 @@ sub handler {
     }
     $r->print(&Apache::lonhtmlcommon::breadcrumbs("$crstype Search"));
     &Apache::lonnavdisplay::startContentScreen($r,'coursesearch');
-    if ($env{'form.phase'} eq 'results') {
-       &course_search($r);
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $clientip = &Apache::lonnet::get_requestor_ip($r);
+    my ($blocked,$blocktext) =
+        &Apache::loncommon::blocking_status('search',$clientip,$cnum,$cdom);
+    if ($blocked) {
+        my $checkrole = "cm./$cdom/$cnum";
+        if ($env{'request.course.sec'} ne '') {
+            $checkrole .= "/$env{'request.course.sec'}";
+        }
+        if ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
+            ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
+            undef($blocked);
+        }
+    }
+    if ($blocked) {
+        $r->print($blocktext);
+    } elsif ($env{'form.phase'} eq 'results') {
+        &course_search($r);
     } else {
-       $r->print(&menu());
+        $r->print(&menu());
     }
     &Apache::lonnavdisplay::endContentScreen($r);
     $r->print(&Apache::loncommon::end_page());