--- rat/lonwrapper.pm	2022/08/30 11:48:33	1.49.2.11.2.2
+++ rat/lonwrapper.pm	2023/01/21 23:25:16	1.49.2.11.2.3
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Wrapper for external and binary files as standalone resources
 #
-# $Id: lonwrapper.pm,v 1.49.2.11.2.2 2022/08/30 11:48:33 raeburn Exp $
+# $Id: lonwrapper.pm,v 1.49.2.11.2.3 2023/01/21 23:25:16 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -46,7 +46,7 @@ use Digest::MD5();
 # ================================================================ Main Handler
 sub wrapper {
     my ($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,$linktext,$explanation,
-        $title,$width,$height,$reuse) = @_;
+        $title,$width,$height,$reuse,$is_supp) = @_;
 
     my $forcereg;
     unless ($env{'form.folderpath'}) {
@@ -122,7 +122,7 @@ var LCresizedef = 0;
     if (($uselink) && ($title eq '')) {
         if ($env{'form.symb'}) {
             $title=&Apache::lonnet::gettitle($env{'form.symb'});
-        } else {
+        } elsif (!$is_supp) {
             my $symb=&Apache::lonnet::symbread($r->uri);
             if ($symb) {
                 $title=&Apache::lonnet::gettitle($symb);
@@ -181,7 +181,7 @@ var LCresizedef = 0;
                     unless ($reuse) {
                         my $resid;
                         if ($env{'request.course.id'}) {
-                            unless ($env{'form.folderpath'} =~ /^supplemental/) {
+                            unless (($is_supp) || ($env{'form.folderpath'} =~ /^supplemental/)) {
                                 my $symb=&Apache::lonnet::symbread($r->uri);
                                 if ($symb) {
                                     my $navmap = Apache::lonnavmaps::navmap->new();
@@ -337,7 +337,7 @@ sub handler {
 
     my $url = $r->uri;
     my ($is_ext,$brcrum,$absolute,$is_pdf,$exttool,$cdom,$cnum,$hostname,
-        $linktext,$explanation,$width,$height,$reuse);
+        $linktext,$explanation,$width,$height,$reuse,$is_supp);
 
     for ($url){
         s|^/adm/wrapper||;
@@ -413,6 +413,7 @@ sub handler {
                 if ($env{'form.anchor'} ne '') {
                     $url .= '#'.$env{'form.anchor'};
                 }
+                $is_supp = 1;
             }
             my $type = 'ext';
             if ($exttool) {
@@ -436,9 +437,35 @@ sub handler {
                     $title = &mt('External Tool');
                 }
             }
+            $title = &HTML::Entities::encode($title,'\'"<>&');
+            $is_supp = 1;
+            if ($env{'request.course.id'}) {
+                $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+                $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+                &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
+            }
             $brcrum =
                 &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
         }
+    } elsif ($env{'request.course.id'}) {
+        my $courseurl = &Apache::lonnet::courseid_to_courseurl($env{'request.course.id'});
+        $courseurl =~ s{^/}{};
+        if ($url =~ m{^\Q/uploaded/$courseurl/supplemental/\E}) {
+            $is_supp = 1;
+            &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+                                                    ['folderpath','title']);
+            if ($env{'form.folderpath'}) {
+                $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+                $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+                &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
+            }
+            my $title = $env{'form.title'};
+            $title = &HTML::Entities::encode($title,'\'"<>&');
+            my $crstype = &Apache::loncommon::course_type();
+            $brcrum =
+                &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
+
+        }
     }
 
 #
@@ -470,7 +497,8 @@ sub handler {
         }
 
         $r->print( wrapper($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,
-                           $linktext,$explanation,undef,$width,$height,$reuse) );
+                           $linktext,$explanation,undef,$width,$height,$reuse,
+                           $is_supp) );
 
     } # not just the menu
     
@@ -497,7 +525,7 @@ described at http://www.lon-capa.org.
 
 =over
 
-=item wrapper($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,$linktext,$explanation,$title,$width,$height,$reuse)
+=item wrapper($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,$linktext,$explanation,$title,$width,$height,$reuse,$is_supp)
 
 =over