--- loncom/interface/lonconfigsettings.pm	2022/02/14 02:48:46	1.58
+++ loncom/interface/lonconfigsettings.pm	2022/02/15 04:28:01	1.59
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: lonconfigsettings.pm,v 1.58 2022/02/14 02:48:46 raeburn Exp $
+# $Id: lonconfigsettings.pm,v 1.59 2022/02/15 04:28:01 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -40,9 +40,9 @@ use Apache::courseclassifier();
 use LONCAPA qw(:DEFAULT :match); 
 
 sub print_header {
-    my ($r,$phase,$context,$jscript,$container,$instcode,$dom,$values) = @_;
+    my ($r,$phase,$context,$jscript,$container,$instcode,$dom,$confname,$values) = @_;
     my ($pagetitle,$brcrumtitle,$action,$call_category_check,$instcode_check,
-        $crstype,@actions,@code_order);
+        $linkprot_check,$crstype,@actions,@code_order);
     if ($phase eq 'display') {
         @actions = &Apache::loncommon::get_env_multiple('form.actions');
     }
@@ -116,6 +116,85 @@ sub print_header {
 ENDSCRIPT
                 }
             }
+            if (($context eq 'course') && ($phase eq 'display') &&
+                (grep(/^linkprotection$/,@actions))) {
+                my $allowed;
+                my $home = &Apache::lonnet::homeserver($confname,$dom);
+                unless ($home eq 'no_host') {
+                    my @ids=&Apache::lonnet::current_machine_ids();
+                    foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
+                }
+                if ($allowed) {
+                    my (@changeable,@settable);
+                    if (ref($values->{'linkprotection'}) eq 'HASH') {
+                        if (keys(%{$values->{'linkprotection'}})) {
+                            my @current = sort { $a <=> $b } keys(%{$values->{'linkprotection'}});
+                            if (@current) {
+                                for (my $i=0; $i<@current; $i++) {
+                                    my $num = $current[$i];
+                                    if (ref($values->{'linkprotection'}->{$num}) eq 'HASH') {
+                                        if ($values->{'linkprotection'}->{$num}->{'usable'}) {
+                                            push(@changeable,$i);
+                                        } else {
+                                            push(@settable,$i);
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    my ($numrules,$intargjs);
+$linkprot_check .= <<ENDJS;
+
+var linkprotradio = '';
+var secretinput = ''; 
+ENDJS
+                    if (@changeable) {
+                        foreach my $num (@changeable) {
+                            ($numrules,$intargjs) =
+                                &Apache::loncommon::passwd_validation_js('secretinput',$dom,'linkprot',$num);
+                            if ($numrules) {
+                                $linkprot_check .= <<ENDJS;
+
+linkprotradio = document.display.elements['linkprot_changesecret_$num'];
+secretinput = document.display.elements['linkprot_secret_$num'].value;
+if (linkprotradio.length) {
+    for (var i=0; i<linkprotradio.length; i++) {
+        if (linkprotradio[i].checked) {
+            if (linkprotradio[i].value == 1) {
+                $intargjs
+            }
+        }
+    }
+}
+ENDJS
+                            }
+                        }
+                    }
+                    if (@settable) {
+                        foreach my $num (@changeable) {
+                            ($numrules,$intargjs) =
+                                &Apache::loncommon::passwd_validation_js('secretinput',$dom,'linkprot',$num);
+                            if ($numrules) {
+                                $linkprot_check .= <<ENDJS;
+secretinput = document.display.elements['linkprot_secret_$num'].value;
+$intargjs
+ENDJS
+                            }
+                        }
+                    }
+                    ($numrules,$intargjs) =
+                        &Apache::loncommon::passwd_validation_js('secretinput',$dom,'linkprot','add');
+                    if ($numrules) {
+                        $linkprot_check .= <<ENDJS
+secretinput = document.display.elements['linkprot_secret_add'].value;
+if (document.display.elements['linkprot_add'].checked) {
+    $intargjs      
+}
+ENDJS
+                    }
+                }
+            }
         }
     }
     my $alert = &mt('You must select at least one functionality type to display.');
@@ -146,7 +225,7 @@ function changePage(formname,newphase) {
             return;
         }
     }
-    '.$instcode_check.$call_category_check.'
+    '.$instcode_check.$call_category_check.$linkprot_check.'
     formname.submit();
 }'."\n";
     if ($phase eq 'pickactions') {
@@ -311,12 +390,12 @@ $jscript
                             }
                             if (ref($values->{'linkprotection'}->{$i}) eq 'HASH') {
                                 if ($values->{'linkprotection'}->{$i}->{'usable'}) {
-                                    $onload .= "toggleLTI(document.display,'$num','secret');";
+                                    $onload .= "toggleLinkProt(document.display,'$num','secret');";
                                 }
                             }
                             if ($ltiauth) {
-                                $onload .= "toggleLTIReqUser(document.display,'requser','optional','1','block','$num');".
-                                           "toggleLTIReqUser(document.display,'mapuser','userfield','other','inline-block','$num');";
+                                $onload .= "toggleLinkProtReqUser(document.display,'requser','optional','1','block','$num');".
+                                           "toggleLinkProtReqUser(document.display,'mapuser','userfield','other','inline-block','$num');";
                             }
                         }
                     }
@@ -481,7 +560,7 @@ sub display_settings {
     if (ref($values) eq 'HASH') {
         $instcode = $values->{'internal.coursecode'};
     }
-    &print_header($r,$phase,$context,$jscript,$container,$instcode,$dom,$values);
+    &print_header($r,$phase,$context,$jscript,$container,$instcode,$dom,$confname,$values);
     my $divwidth = 900;
     if ((ref($prefs_order) eq 'ARRAY') && (ref($prefs) eq 'HASH') && (ref($values) eq 'HASH')) { 
         if (@actions > 0) {
@@ -536,7 +615,7 @@ sub display_settings {
                                     $settings = $values->{'ltisec'};
                                 }
                             } elsif (ref($values->{'lti'}) eq 'HASH') {
-                                $settings = $values->{'lti'};   
+                                $settings = $values->{'lti'};
                             }
                         }
                         ($output{$item},$rowtotal{$item}) =