--- loncom/interface/lonsearchcourse.pm	2011/01/17 22:56:27	1.3
+++ loncom/interface/lonsearchcourse.pm	2021/11/30 15:55:37	1.7
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Search Course
 #
-# $Id: lonsearchcourse.pm,v 1.3 2011/01/17 22:56:27 www Exp $
+# $Id: lonsearchcourse.pm,v 1.7 2021/11/30 15:55:37 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -41,7 +41,7 @@ use Apache::lonlocal;
 use LONCAPA::lonmetadata();
 use HTML::Entities();
 use Apache::lonnavmaps;
-use Apache::londocs();
+use Apache::lonnavdisplay();
 use Apache::lonindexer();
 use LONCAPA;
 
@@ -311,6 +311,14 @@ sub handler {
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['phase']);
     $r->print(&Apache::loncommon::start_page("$crstype Search"));
     &Apache::lonhtmlcommon::clear_breadcrumbs();
+    if ($env{'request.course.id'} eq '') {
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs("$crstype Search"));
+        $r->print(&Apache::loncommon::end_page());
+        my $requrl = $r->uri;
+        $env{'user.error.msg'} = "$requrl:bre:0:0:Course not initialized";
+        $env{'user.reinit'} = 1;
+        return HTTP_NOT_ACCEPTABLE;
+    }
     &Apache::lonhtmlcommon::add_breadcrumb(
             {   href => '/adm/searchcourse',
                 text => "$crstype Search"});
@@ -320,13 +328,30 @@ sub handler {
                 text => 'Search Results'});
     }
     $r->print(&Apache::lonhtmlcommon::breadcrumbs("$crstype Search"));
-    &Apache::londocs::startContentScreen($r,'coursesearch');
-    if ($env{'form.phase'} eq 'results') {
-       &course_search($r);
+    &Apache::lonnavdisplay::startContentScreen($r,'coursesearch');
+    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());
+        $r->print(&menu());
     }
-    &Apache::londocs::endContentScreen($r);
+    &Apache::lonnavdisplay::endContentScreen($r);
     $r->print(&Apache::loncommon::end_page());
     return OK;
 }