--- loncom/interface/londocs.pm	2019/08/17 12:45:34	1.484.2.84
+++ loncom/interface/londocs.pm	2023/01/20 16:30:43	1.484.2.93.2.8
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.484.2.84 2019/08/17 12:45:34 raeburn Exp $
+# $Id: londocs.pm,v 1.484.2.93.2.8 2023/01/20 16:30:43 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -43,6 +43,7 @@ use Apache::lonnavdisplay();
 use Apache::lonextresedit();
 use Apache::lontemplate();
 use Apache::lonsimplepage();
+use Apache::loncourserespicker();
 use HTML::Entities;
 use HTML::TokeParser;
 use GDBM_File;
@@ -177,6 +178,45 @@ sub default_folderpath {
     }
 }
 
+sub validate_folderpath {
+    my ($supplementalflag) = @_;
+    if ($env{'form.folderpath'} ne '') {
+        my @items = split(/\&/,$env{'form.folderpath'});
+        my $badpath;
+        for (my $i=0; $i<@items; $i++) {
+            my $odd = $i%2;
+            if (($odd) && (!$supplementalflag) && ($items[$i] !~ /^[^:]*:(|\d+):(|1):(|1):(|1):(|1)$/)) {
+                $badpath = 1;
+            } elsif ((!$odd) && ($items[$i] !~ /^(default|supplemental)(|_\d+)$/)) {
+                $badpath = 1;
+            }
+            last if ($badpath);
+        }
+        if ($badpath) {
+            delete($env{'form.folderpath'});
+        }
+    }
+    return;
+}
+
+sub validate_suppath {
+    if ($env{'form.supppath'} ne '') {
+        my @items = split(/\&/,$env{'form.supppath'});
+        my $badpath;
+        for (my $i=0; $i<@items; $i++) {
+            my $odd = $i%2;
+            if ((!$odd) && ($items[$i] !~ /^supplemental(|_\d+)$/)) {
+                $badpath = 1;
+            }
+            last if ($badpath);
+        }
+        if ($badpath) {
+            delete($env{'form.supppath'});
+        }
+    }
+    return;
+}
+
 sub dumpcourse {
     my ($r) = @_;
     my $crstype = &Apache::loncommon::course_type();
@@ -622,7 +662,7 @@ sub recurse_html {
 }
 
 sub group_import {
-    my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
+    my ($coursenum, $coursedom, $folder, $container, $caller, $ltitoolsref, @files) = @_;
     my ($donechk,$allmaps,%hierarchy,%titles,%addedmaps,%removefrommap,
         %removeparam,$importuploaded,$fixuperrors);
     $allmaps = {};
@@ -651,6 +691,114 @@ sub group_import {
             }
         }
 	if ($url) {
+            if ($url =~ m{^(/adm/$coursedom/$coursenum/(\d+)/ext\.tool)\:?(.*)$}) {
+                $url = $1;
+                my $marker = $2;
+                my $info = $3;
+                my ($toolid,%toolhash,%toolsettings);
+                my @extras = ('linktext','explanation','crslabel','crstitle','crsappend');
+                my @toolinfo = split(/:/,$info);
+                if ($residx) {
+                    %toolsettings=&Apache::lonnet::dump('exttool_'.$marker,$coursedom,$coursenum);
+                    $toolid = $toolsettings{'id'};
+                } else {
+                    $toolid = shift(@toolinfo);
+                }
+                $toolid =~ s/\D//g;
+                ($toolhash{'target'},$toolhash{'width'},$toolhash{'height'},
+                 $toolhash{'linktext'},$toolhash{'explanation'},
+                 $toolhash{'crslabel'},$toolhash{'crstitle'},$toolhash{'crsappend'}) = @toolinfo;
+                foreach my $item (@extras) {
+                    $toolhash{$item} = &unescape($toolhash{$item});
+                }
+                if (ref($ltitoolsref) eq 'HASH') {
+                    my @deleted;
+                    if (ref($ltitoolsref->{$toolid}) eq 'HASH') {
+                        $toolhash{'id'} = $toolid;
+                        if (($toolhash{'target'} eq 'iframe') || ($toolhash{'target'} eq 'tab') ||
+                            ($toolhash{'target'} eq 'window')) {
+                            if ($toolhash{'target'} eq 'window') {
+                                foreach my $item ('width','height') {
+                                    $toolhash{$item} =~ s/^\s+//;
+                                    $toolhash{$item} =~ s/\s+$//;
+                                    if ($toolhash{$item} =~ /\D/) {
+                                        delete($toolhash{$item});
+                                        if ($residx) {
+                                            if ($toolsettings{$item}) {
+                                                push(@deleted,$item);
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        } elsif ($residx) {
+                            $toolhash{'target'} = $toolsettings{'target'};
+                            if ($toolhash{'target'} eq 'window') {
+                                foreach my $item ('width','height') {
+                                    $toolhash{$item} = $toolsettings{$item};
+                                }
+                            }
+                        } elsif (ref($ltitoolsref->{$toolid}->{'display'}) eq 'HASH') {
+                            $toolhash{'target'} = $ltitoolsref->{$toolid}->{'display'}->{'target'};
+                            if ($toolhash{'target'} eq 'window') {
+                                $toolhash{'width'} = $ltitoolsref->{$toolid}->{'display'}->{'width'};
+                                $toolhash{'height'} = $ltitoolsref->{$toolid}->{'display'}->{'height'};
+                            }
+                        }
+                        if ($toolhash{'target'} eq 'iframe') {
+                            foreach my $item ('width','height','linktext','explanation') {
+                                delete($toolhash{$item});
+                                if ($residx) {
+                                    if ($toolsettings{$item}) {
+                                        push(@deleted,$item);
+                                    }
+                                }
+                            }
+                        } elsif ($toolhash{'target'} eq 'tab') {
+                            foreach my $item ('width','height') {
+                                delete($toolhash{$item});
+                                if ($residx) {
+                                    if ($toolsettings{$item}) {
+                                        push(@deleted,$item);
+                                    }
+                                }
+                            }
+                        }
+                        if (ref($ltitoolsref->{$toolid}->{'crsconf'}) eq 'HASH') {
+                            foreach my $item ('label','title','linktext','explanation') {
+                                my $crsitem;
+                                if (($item eq 'label') || ($item eq 'title')) {
+                                    $crsitem = 'crs'.$item;
+                                } else {
+                                    $crsitem = $item;
+                                }
+                                if ($ltitoolsref->{$toolid}->{'crsconf'}->{$item}) {
+                                    $toolhash{$crsitem} =~ s/^\s+//;
+                                    $toolhash{$crsitem} =~ s/\s+$//;
+                                    if ($toolhash{$crsitem} eq '') {
+                                        delete($toolhash{$crsitem});
+                                    }
+                                } else {
+                                    delete($toolhash{$crsitem});
+                                }
+                                if (($residx) && (exists($toolsettings{$crsitem}))) {
+                                    unless (exists($toolhash{$crsitem})) {
+                                        push(@deleted,$crsitem);
+                                    }
+                                }
+                            }
+                        }
+                        my $putres = &Apache::lonnet::put('exttool_'.$marker,\%toolhash,$coursedom,$coursenum);
+                        if ($putres eq 'ok') {
+                            if (@deleted) {
+                                &Apache::lonnet::del('exttool_'.$marker,\@deleted,$coursedom,$coursenum);
+                            }
+                        } else {
+                            return (&mt('Failed to save update to external tool.'),1);
+                        }
+                    }
+                }
+            }
             if (($caller eq 'londocs') &&
                 ($folder =~ /^default/)) {
                 if (($url =~ /\.(page|sequence)$/) && (!$donechk)) {
@@ -662,8 +810,8 @@ sub group_import {
                     $donechk = 1;
                 }
                 if ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$}) {
-                    &contained_map_check($url,$folder,\%removefrommap,\%removeparam,
-                                         \%addedmaps,\%hierarchy,\%titles,$allmaps);
+                    &contained_map_check($url,$folder,$coursenum,$coursedom,\%removefrommap,
+                                         \%removeparam,\%addedmaps,\%hierarchy,\%titles,$allmaps);
                     $importuploaded = 1;
                 } elsif ($url =~ m{^/res/.+\.(page|sequence)$}) {
                     next if ($allmaps->{$url});
@@ -676,26 +824,27 @@ sub group_import {
 	    }
 	    my $ext = 'false';
 	    if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
-	    $name = &LONCAPA::map::qtunescape($name);
-            if ($name eq '') {
-                $name = &LONCAPA::map::qtunescape(&mt('Web Page'));
-            }
             if ($url =~ m{^/uploaded/$coursedom/$coursenum/((?:docs|supplemental)/(?:default|\d+))/new\.html$}) {
                 my $filepath = $1;
-                my $fname = $name;
-                if ($fname =~ /^\W+$/) {
+                my $fname;
+                if ($name eq '') {
+                    $name = &mt('Web Page');
                     $fname = 'web';
                 } else {
-                    $fname =~ s/\W/_/g;
-                }
-                if (length($fname) > 15) {
-                    $fname = substr($fname,0,14);
+                    $fname = $name;
+                    $fname=&Apache::lonnet::clean_filename($fname);
+                    if ($fname eq '') {
+                        $fname = 'web';
+                    } elsif (length($fname) > 15) {
+                        $fname = substr($fname,0,14);
+                    }
                 }
+                my $title = &Apache::loncommon::cleanup_html($name);
                 my $initialtext = &mt('Replace with your own content.');
                 my $newhtml = <<END;
 <html>
 <head>
-<title>$name</title>
+<title>$title</title>
 </head>
 <body bgcolor="#ffffff">
 $initialtext
@@ -717,6 +866,7 @@ END
                     return (&mt('Failed to save new web page.'),1);
                 }
             }
+            $name = &LONCAPA::map::qtunescape($name);
             $url  = &LONCAPA::map::qtunescape($url);
 	    $LONCAPA::map::resources[$residx] =
 		join(':', ($name, $url, $ext, 'normal', 'res'));
@@ -834,7 +984,7 @@ sub docs_change_log {
              '// <![CDATA['."\n".
              &Apache::loncommon::display_filter_js('docslog')."\n".
              &editing_js($env{'user.domain'},$env{'user.name'},$supplementalflag,
-                         $coursedom,$coursenum,$canedit,'',\$navmap)."\n".
+                         $coursedom,$coursenum,'',$canedit,'',\$navmap)."\n".
              &history_tab_js()."\n".
              &Apache::lonratedt::editscript('simple')."\n".
              '// ]]>'."\n".
@@ -990,7 +1140,11 @@ sub docs_change_log {
 	}
 	$r->print('</ul>');
 	if ($docslog{$id}{'logentry'}{'parameter_res'}) {
-	    $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
+            my ($title,$url) = split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'},3);
+            if ($title eq '') {
+                ($title) = ($url =~ m{/([^/]+)$});
+            }
+            $r->print(&LONCAPA::map::qtescape($title).':<ul>');
 	    foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 # FIXME: internationalization seems wrong here
@@ -1059,13 +1213,19 @@ sub update_paste_buffer {
 # Construct identifiers for current contents of user's paste buffer
     if (@currpaste) {
         foreach my $suffix (@currpaste) {
-             my $cid = $env{'docs.markedcopy_crs_'.$suffix};
-             my $url = $env{'docs.markedcopy_url_'.$suffix};
-             my $mapidx = $env{'docs.markedcopy_map_'.$suffix};
-             if (($cid =~ /^$match_domain(?:_)$match_courseid$/) &&
-                 ($url ne '')) {
-                 $pasteurls{$cid.'_'.$url.'_'.$mapidx} = 1;
-             }
+            my $cid = $env{'docs.markedcopy_crs_'.$suffix};
+            my $url = $env{'docs.markedcopy_url_'.$suffix};
+            my $mapidx = $env{'docs.markedcopy_map_'.$suffix};
+            if (($cid =~ /^$match_domain(?:_)$match_courseid$/) &&
+                ($url ne '')) {
+                if ($url eq '/res/lib/templates/simpleproblem.problem') {
+                    $pasteurls{$cid.'_'.$mapidx} = 1;
+                } elsif ($url =~ m{^/res/$match_domain/$match_username/}) {
+                    $pasteurls{$url} = 1;
+                } else {
+                    $pasteurls{$cid.'_'.$url} = 1;
+                }
+            }
         }
     }
 
@@ -1074,7 +1234,7 @@ sub update_paste_buffer {
 
     my @pathitems = split(/\&/,$env{'form.folderpath'});
     my @folderconf = split(/\:/,$pathitems[-1]);
-    my $ispage = $folderconf[4];
+    my $ispage = $folderconf[5];
 
     foreach my $item (@possibles) {
         my ($orderidx,$cmd) = split(/:/,$item);
@@ -1087,7 +1247,13 @@ sub update_paste_buffer {
                                           $env{'form.folderpath'},\%curr_groups);
         next if ($denied{'copy'});
         $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
-        next if (exists($pasteurls{$coursedom.'_'.$coursenum.'_'.$mapidx}));
+        if ($url eq '/res/lib/templates/simpleproblem.problem') {
+            next if (exists($pasteurls{$coursedom.'_'.$coursenum.'_'.$mapidx}));
+        } elsif ($url =~ m{^/res/$match_domain/$match_username/}) {
+            next if (exists($pasteurls{$url}));
+        } else {
+            next if (exists($pasteurls{$coursedom.'_'.$coursenum.'_'.$url}));
+        }
         my ($suffix,$errortxt,$locknotfreed) =
             &new_timebased_suffix($env{'user.domain'},$env{'user.name'},'paste');
         if ($suffix ne '') {
@@ -1114,8 +1280,8 @@ sub update_paste_buffer {
                 $subdir = $prefix;
             }
             my (%addedmaps,%removefrommap,%removeparam,%hierarchy,%titles,%allmaps);
-            &contained_map_check($url,$folder,\%removefrommap,\%removeparam,\%addedmaps,
-                                 \%hierarchy,\%titles,\%allmaps);
+            &contained_map_check($url,$folder,$coursenum,$coursedom,\%removefrommap,
+                                 \%removeparam,\%addedmaps,\%hierarchy,\%titles,\%allmaps);
             if (ref($hierarchy{$url}) eq 'HASH') {
                 my ($nested,$nestednames);
                 &recurse_uploaded_maps($url,$subdir,\%hierarchy,\%titles,\$nested,\$nestednames);
@@ -1189,10 +1355,12 @@ sub print_paste_buffer {
             ($url ne '')) {
             $clipboardcount ++;
             my ($is_external,$othercourse,$fromsupp,$is_uploaded_map,$parent,
-                $canpaste,$nopaste,$othercrs,$areachange);
+                $canpaste,$nopaste,$othercrs,$areachange,$is_exttool);
             my $extension = (split(/\./,$env{'docs.markedcopy_url_'.$suffix}))[-1];
             if ($url =~ m{^(?:/adm/wrapper/ext|(?:http|https)(?:&colon;|:))//} ) {
                 $is_external = 1;
+            } elsif ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$}) {
+                $is_exttool = 1;
             }
             if ($folder =~ /^supplemental/) {
                 $canpaste = &supp_pasteable($env{'docs.markedcopy_url_'.$suffix});
@@ -1225,11 +1393,16 @@ sub print_paste_buffer {
                         $is_uploaded_map = 1;
                     }
                 } elsif (($url =~ m{^/res/lib/templates/\w+\.problem$}) ||
-                         ($url =~ m{^/adm/($match_domain)/($match_username)/\d+/(bulletinboard|smppg)$})) {
+                         ($url =~ m{^/adm/($match_domain)/($match_username)/\d+/(bulletinboard|smppg|ext\.tool)$})) {
                     if ($cid ne $env{'request.course.id'}) {
                         my ($srcdom,$srcnum) = split(/_/,$cid);
                         if ($env{"user.priv.cm./$srcdom/$srcnum"} =~ /\Q:mdc&F\E/) {
-                            $othercrs = '<br />'.&mt('(from another course)');
+                            if (($is_exttool) && ($srcdom ne $coursedom)) {
+                                $canpaste = 0;
+                                $nopaste = &mt('Paste from another domain unavailable.');
+                            } else {
+                                $othercrs = '<br />'.&mt('(from another course)');
+                            }
                         } else {
                             $canpaste = 0;
                             $nopaste = &mt('Paste from another course unavailable.');
@@ -1245,6 +1418,9 @@ sub print_paste_buffer {
                 $buffer = &mt('External Resource').': '.
                     &LONCAPA::map::qtescape($env{'docs.markedcopy_title_'.$suffix}).' ('.
                     &LONCAPA::map::qtescape($url).')';
+            } elsif ($is_exttool) {
+                $buffer = &mt('External Tool').': '.
+                    &LONCAPA::map::qtescape($env{'docs.markedcopy_title_'.$suffix});
             } else {
                 my $icon = &Apache::loncommon::icon($extension);
                 if ($extension eq 'sequence' &&
@@ -1274,7 +1450,7 @@ sub print_paste_buffer {
             }
             $pasteitems .= '<label><input type="checkbox" name="pasting" id="pasting_'.$suffix.'" value="'.$suffix.'" '.$onclick.'/>'.$buffer.'</label>';
             if ($nopaste) {
-                 $pasteitems .= $nopaste;   
+                 $pasteitems .= ' <span class="LC_cusr_emph">'.$nopaste.'</span>';   
             } else {
                 if ($othercrs) {
                     $pasteitems .= $othercrs;
@@ -1300,7 +1476,7 @@ sub print_paste_buffer {
             }
             $buttons = '<input type="submit" name="pastemarked" value="'.$value.'" />'.('&nbsp;'x2);
         }
-        $buttons .= '<input type="submit" name="clearmarked" value="'.&mt('Clear selected').'" />'.('&nbsp;'x2);
+        $buttons .= '<input type="submit" name="clearmarked" value="'.&mt('Remove from clipboard').'" />'.('&nbsp;'x2);
         if ($clipboardcount > 1) {
             $buttons .=
                 '<span style="text-decoration:line-through">'.('&nbsp;'x20).'</span>'.('&nbsp;'x2).
@@ -1401,7 +1577,8 @@ sub supp_pasteable {
         (($url =~ /\.sequence$/) && ($url =~ m{^/uploaded/})) ||
         ($url =~ m{^/uploaded/$match_domain/$match_courseid/(docs|supplemental)/(default|\d+)/\d+/}) ||
         ($url =~ m{^/adm/$match_domain/$match_username/aboutme}) ||
-        ($url =~ m{^/public/$match_domain/$match_courseid/syllabus})) {
+        ($url =~ m{^/public/$match_domain/$match_courseid/syllabus}) ||
+        ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$})) {
         return 1;
     }
     return;
@@ -1523,7 +1700,7 @@ sub do_paste_from_buffer {
         return();
     }
 
-    my (%msgs,%before,%after,@dopaste,%is_map,%notinsupp,%notincrs,%duplicate,
+    my (%msgs,%before,%after,@dopaste,%is_map,%notinsupp,%notincrs,%notindom,%duplicate,
         %prefixchg,%srcdom,%srcnum,%srcmapidx,%marktomove,$save_err,$lockerrors,$allresult);
 
     foreach my $suffix (@topaste) {
@@ -1551,6 +1728,24 @@ sub do_paste_from_buffer {
             }
             $srcdom{$suffix} = $srcd;
             $srcnum{$suffix} = $srcn;
+        } elsif ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$}) {
+            my ($srcd,$srcn) = split(/_/,$cid);
+# When paste buffer was populated using an active role in a different course
+# check for mdc privilege in the course from which the resource was pasted
+            if (($srcd ne $coursedom) || ($srcn ne $coursenum)) {
+                unless ($env{"user.priv.cm./$srcd/$srcn"} =~ /\Q:mdc&F\E/) {
+                    $notincrs{$suffix} = 1;
+                    next;
+                }
+            }
+# When buffer was populated using an active role in a different course
+# disallow pasting of External Tool if course is in a different domain.
+            if ($srcd ne $coursedom) {
+                $notindom{$suffix} = 1;
+                next;
+            }
+            $srcdom{$suffix} = $srcd;
+            $srcnum{$suffix} = $srcn;
         } elsif (($url =~ m{^/res/lib/templates/\w+\.problem$}) ||
                  ($url =~ m{^/adm/$match_domain/$match_username/\d+/(bulletinboard|smppg)$})) {
             my ($srcd,$srcn) = split(/_/,$cid);
@@ -1615,6 +1810,7 @@ sub do_paste_from_buffer {
     %msgs = &Apache::lonlocal::texthash (
                 notinsupp => 'Paste failed: content type is not supported within Supplemental Content',
                 notincrs  => 'Paste failed: Item is from a different course which you do not have rights to edit.',
+                notindom  => 'Paste failed: Item is an external tool from a course in a different donain.',
                 duplicate => 'Paste failed: only one instance of a particular published sequence or page is allowed within each course.',
             );
 
@@ -1668,8 +1864,9 @@ sub do_paste_from_buffer {
                                                          $env{'request.course.id'});
                 $donechk = 1; 
             }
-            &contained_map_check($url,$folder,\%removefrommap,\%removeparam,
-                                 \%addedmaps,\%hierarchy,\%titles,$allmaps);
+            &contained_map_check($url,$folder,$coursenum,$coursedom,
+                                 \%removefrommap,\%removeparam,\%addedmaps,
+                                 \%hierarchy,\%titles,$allmaps);
             if ($url=~ m{^/uploaded/}) {
                 my $newurl;
                 unless ($env{'form.docs.markedcopy_options_'.$suffix} eq 'move') {
@@ -1722,7 +1919,7 @@ sub do_paste_from_buffer {
                 }
             }
         }
-        if ($url=~ m{/(bulletinboard|smppg)$}) {
+        if ($url=~ m{/(bulletinboard|smppg|ext\.tool)$}) {
             my $prefix = $1;
             my $fromothercrs;
             #need to copy the db contents to a new one, unless this is a move.
@@ -1750,6 +1947,8 @@ sub do_paste_from_buffer {
                         $msg = &mt('Paste failed: An error occurred when copying the simple page.').' '.$errtext;
                     } elsif ($prefix eq 'bulletinboard') {
                         $msg = &mt('Paste failed: An error occurred when copying the discussion board.').' '.$errtext;
+                    } elsif ($prefix eq 'ext.tool') {
+                        $msg = &mt('Paste failed: An error occurred when copying the external tool.').' '.$errtext;
                     }
                     $results{$suffix} = $result;
                     $msgerrs{$suffix} = $msg;
@@ -2009,8 +2208,11 @@ sub dbcopy {
     my ($url,$result,$errtext);
     if (ref($dbref) eq 'HASH') {
         $url = $dbref->{'src'};
-        if ($url =~ m{/(smppg|bulletinboard)$}) {
+        if ($url =~ m{/(smppg|bulletinboard|ext\.tool)$}) {
             my $prefix = $1;
+            if ($prefix eq 'ext.tool') {
+                $prefix = 'exttool';
+            }
             if (($dbref->{'cdom'} =~ /^$match_domain$/) &&
                 ($dbref->{'cnum'} =~ /^$match_courseid$/)) {
                 my $db_name;
@@ -2021,6 +2223,8 @@ sub dbcopy {
                         &Apache::lonsimplepage::get_db_name($url,$marker,
                                                             $dbref->{'cdom'},
                                                             $dbref->{'cnum'});
+                } elsif ($dbref->{'src'} =~ m{/ext\.tool$}) {
+                    $db_name = 'exttool_'.$marker;
                 } else {
                     $db_name = 'bulletinpage_'.$marker;
                 }
@@ -2031,6 +2235,8 @@ sub dbcopy {
                 if (!$suffix) {
                     if ($prefix eq 'smppg') {
                         $errtext = &mt('Failed to acquire a unique timestamp-based suffix when copying a simple page [_1].',$url);
+                    } elsif ($prefix eq 'exttool') {
+                        $errtext = &mt('Failed to acquire a unique timestamp-based suffix when copying an external tool [_1].',$url);
                     } else {
                         $errtext = &mt('Failed to acquire a unique timestamp-based suffix when copying a discussion board [_1].',$url);
                     }
@@ -2064,7 +2270,7 @@ sub dbcopy {
                     $result=&Apache::lonnet::put($db_name,\%contents,
                                                  $coursedom,$coursenum);
                     if ($result eq 'ok') {
-                        $url =~ s{/(\d*)/(smppg|bulletinboard)$}{/$suffix/$2}x;
+                        $url =~ s{/(\d*)/(smppg|bulletinboard|ext\.tool)$}{/$suffix/$2}x;
                     }
                 }
                 if (($freedlock ne 'ok') && (ref($lockerrorsref) eq 'HASH')) {
@@ -2074,6 +2280,9 @@ sub dbcopy {
                     if ($prefix eq 'smppg') {
                         $lockerrorsref->{$prefix} .=
                             ' '.&mt('This will prevent creation of additional simple pages in this course.');
+                    } elsif ($prefix eq 'exttool') {
+                        $lockerrorsref->{$prefix} .=
+                            ' '.&mt('This will prevent addition of more external tools to this course.');
                     } else {
                         $lockerrorsref->{$prefix} .= ' '.&mt('This will prevent creation of additional discussion boards in this course.');
                     }
@@ -2205,8 +2414,8 @@ sub uniqueness_check {
 }
 
 sub contained_map_check {
-    my ($url,$folder,$removefrommap,$removeparam,$addedmaps,$hierarchy,$titles,
-        $allmaps) = @_;
+    my ($url,$folder,$coursenum,$coursedom,$removefrommap,$removeparam,$addedmaps,
+        $hierarchy,$titles,$allmaps) = @_;
     my $content = &Apache::lonnet::getfile($url);
     unless ($content eq '-1') {
         my $parser = HTML::TokeParser->new(\$content);
@@ -2235,7 +2444,8 @@ sub contained_map_check {
                             $addedmaps->{$ressrc} = [$url];
                         }
                     }
-                    &contained_map_check($ressrc,$folder,$removefrommap,$removeparam,
+                    &contained_map_check($ressrc,$folder,$coursenum,$coursedom,
+                                         $removefrommap,$removeparam,
                                          $addedmaps,$hierarchy,$titles,$allmaps);
                 }
             } elsif ($token->[1] eq 'param') {
@@ -2510,6 +2720,15 @@ sub apply_fixups {
             $storefn =~ s/^((?:default|supplemental)_)(\d+)/$1$newsubdir{$key}/;
         }
         my $mapcontent = &Apache::lonnet::getfile($key);
+        if (($mapcontent eq '-1') && ($before{'map'} eq 'supplemental') &&
+            ($after{'map'} eq 'default') &&
+            ($key =~ m{^/uploaded/$match_domain/$match_courseid/supplemental_\d+\.sequence$})) {
+            $mapcontent = '<map>'."\n".
+                          '<resource id="1" src="" type="start" />'."\n".
+                          '<link from="1" to="2" index="1" />'."\n".
+                          '<resource id="2" src="" type="finish" />'."\n".
+                          '</map>';
+        }
         if ($mapcontent eq '-1') {
             if (ref($errors) eq 'HASH') {
                 $errors->{$key} = 1;
@@ -2792,7 +3011,7 @@ sub update_parameter {
             my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
             $name=&LONCAPA::map::qtescape($name);
             $url=&LONCAPA::map::qtescape($url);
-            next unless ($name && $url);
+            next unless $url;
             my $is_map;
             if ($url =~ m{/uploaded/.+\.(page|sequence)$}) {
                 $is_map = 1;
@@ -2924,8 +3143,8 @@ sub handle_edit_cmd {
 
 sub editor {
     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$crstype,
-        $supplementalflag,$orderhash,$iconpath,$pathitem,$canedit,
-        $hostname,$navmapref,$hiddentop)=@_;
+        $supplementalflag,$orderhash,$iconpath,$pathitem,$ltitoolsref,
+        $canedit,$hostname,$navmapref,$hiddentop)=@_;
     my ($randompick,$ishidden,$isencrypted,$plain,$is_random_order,$container);
     if ($allowed) {
         (my $breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,
@@ -3136,6 +3355,17 @@ sub editor {
                         } else {
                             return $errortxt;
                         }
+                    } elsif ($url =~ m{^/adm/$coursedom/$coursenum/new/ext\.tool}) {
+                        my ($suffix,$errortxt,$locknotfreed) =
+                            &new_timebased_suffix($coursedom,$coursenum,'exttool');
+                        if ($locknotfreed) {
+                            $r->print($locknotfreed);
+                        }
+                        if ($suffix) {
+                            $url =~ s{^(/adm/$coursedom/$coursenum)/new}{$1/$suffix};
+                        } else {
+                            return $errortxt;
+                        }
                     } elsif ($url =~ m{^/uploaded/$coursedom/$coursenum/(docs|supplemental)/(default|\d+)/new.html$}) {
                         if ($supplementalflag) {
                             next unless ($1 eq 'supplemental');
@@ -3158,7 +3388,7 @@ sub editor {
 	    }
             ($errtext,$fatal,my $fixuperrors) =
                 &group_import($coursenum, $coursedom, $folder,$container,
-                              'londocs',@imports);
+                              'londocs',$ltitoolsref,@imports);
 	    return $errtext if ($fatal);
             if ($fixuperrors) {
                 $r->print($fixuperrors);
@@ -3244,7 +3474,7 @@ sub editor {
         $output .= &entryline($idx,$name,$url,$folder,$allowed,$res,
                               $coursenum,$coursedom,$crstype,
                               $pathitem,$supplementalflag,$container,
-                              \%filters,\%curr_groups,$canedit,
+                              \%filters,\%curr_groups,$ltitoolsref,$canedit,
                               $isencrypted,$navmapref,$hostname);
         $idx++;
         $shown++;
@@ -3624,7 +3854,7 @@ sub is_supplemental_title {
 sub entryline {
     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum,$coursedom,
         $crstype,$pathitem,$supplementalflag,$container,$filtersref,$currgroups,
-        $canedit,$isencrypted,$navmapref,$hostname)=@_;
+        $ltitoolsref,$canedit,$isencrypted,$navmapref,$hostname)=@_;
     my ($foldertitle,$renametitle,$oldtitle);
     if (&is_supplemental_title($title)) {
 	($title,$foldertitle,$renametitle) = &Apache::loncommon::parse_supplemental_title($title);
@@ -3651,7 +3881,7 @@ sub entryline {
     my $line=&Apache::loncommon::start_data_table_row();
     my ($form_start,$form_end,$form_common,$form_param);
 # Edit commands
-    my ($esc_path, $path, $symb);
+    my ($esc_path, $path, $symb, $shownsymb);
     if ($env{'form.folderpath'}) {
 	$esc_path=&escape($env{'form.folderpath'});
 	$path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
@@ -3721,6 +3951,7 @@ END
 		'rn' => 'Rename',
 		'cp' => 'Copy',
                 'ex' => 'External Resource',
+                'et' => 'External Tool',
                 'ed' => 'Edit',
                 'pr' => 'Preview',
                 'sv' => 'Save',
@@ -3740,6 +3971,7 @@ END
 			    |/aboutme$
 			    |/navmaps$
 			    |/bulletinboard$
+                            |/ext\.tool$
 			    |\.html$)}x)
              || $isexternal) {
 	    $skip_confirm = 1;
@@ -3874,11 +4106,19 @@ END
     my ($editlink,$extresform,$anchor,$hiddenres,$nomodal);
     my $orig_url = $url;
     $orig_url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
-    $url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/};
+    if ($container eq 'page') {
+        $url=~s{^http(|s)(&colon;|:)//}{/ext/};
+    } else {
+        $url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/};
+    }
     if (!$supplementalflag && $residx && $symb) {
         if ((!$isfolder) && (!$ispage)) {
 	    (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
-	    $url=&Apache::lonnet::clutter($url);
+            if (($url =~ m{^ext/}) && ($container eq 'page')) {
+                $url=&Apache::lonnet::clutter_with_no_wrapper($url);
+            } else {
+                $url=&Apache::lonnet::clutter($url);
+            }
 	    if ($url=~/^\/*uploaded\//) {
 	        $url=~/\.(\w+)$/;
 	        my $embstyle=&Apache::loncommon::fileembstyle($1);
@@ -3892,47 +4132,27 @@ END
             } elsif ($url=~m{^(|/adm/wrapper)/ext/([^#]+)}) {
                 my $wrapped = $1;
                 my $exturl = $2;
-                if ($wrapped eq '') {
+                if (($wrapped eq '') && ($container ne 'page')) {
                     $url='/adm/wrapper'.$url;
                 }
                 if (($ENV{'SERVER_PORT'} == 443) && ($exturl !~ /^https:/)) {
                     $nomodal = 1;
                 }
+            } elsif ($url=~m{^/adm/$coursedom/$coursenum/\d+/ext\.tool$}) {
+                $url='/adm/wrapper'.$url;
             } elsif ($url eq "/public/$coursedom/$coursenum/syllabus") {
                 if (($ENV{'SERVER_PORT'} == 443) &&
                     ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
-                    unless (&Apache::lonnet::uses_sts()) {
+                    unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                         $url .= '?usehttp=1';
                     }
                     $nomodal = 1;
                 }
 	    }
-            if (&Apache::lonnet::symbverify($symb,$url)) {
-                my $shownsymb = $symb;
-                if ($isexternal) {
-                    if ($url =~ /^([^#]+)#([^#]+)$/) {
-                        $url = $1;
-                        $anchor = $2;
-                        my $escan = &escape('#');
-                        $shownsymb =~ s/^([^\#]+)#([^\#]+)$/$1$escan$2/;
-                    }
-                }
-                unless ($env{'request.role.adv'}) {
-                    if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
-                        $url = '';
-                    }
-                    if (&Apache::lonnet::EXT('resource.0.hiddenresource',$symb) =~ /^yes$/i) {
-                        $url = '';
-                        $hiddenres = 1;
-                    }
-                }
-                if ($url ne '') {
-                    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
-                }
-            } elsif (!$env{'request.role.adv'}) {
-                my $checkencrypt;
+            my ($checkencrypt,$shownurl);
+            if (!$env{'request.role.adv'}) {
                 if (((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i) ||
-                      $isencrypted || (&Apache::lonnet::EXT('resource.0.encrypturl',$symb) =~ /^yes$/i)) {
+                    ($isencrypted) || (&Apache::lonnet::EXT('resource.0.encrypturl',$symb) =~ /^yes$/i)) {
                     $checkencrypt = 1;
                 } elsif (ref($navmapref)) {
                     unless (ref($$navmapref)) {
@@ -3944,22 +4164,39 @@ END
                         }
                     }
                 }
-                if ($checkencrypt) {
-                    my $shownsymb = &Apache::lonenc::encrypted($symb);
-                    my $shownurl = &Apache::lonenc::encrypted($url);
-                    if (&Apache::lonnet::symbverify($shownsymb,$shownurl)) {
-                        $url = $shownurl.(($shownurl=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
-                        if ($env{'request.enc'} ne '') {
-                            delete($env{'request.enc'});
-                        }
-                    } else {
-                        $url='';
-                    }
+            }
+            if ($checkencrypt) {
+                my $currenc = $env{'request.enc'};
+                $env{'request.enc'} = 1;
+                $shownsymb = &Apache::lonenc::encrypted($symb);
+                $shownurl = &Apache::lonenc::encrypted($url);
+                if (&Apache::lonnet::symbverify($symb,$url)) {
+                    $url = $shownurl;
                 } else {
-                    $url='';
+                    $url = '';
                 }
-            } else {
-                $url='';
+                $env{'request.enc'} = $currenc;
+            } elsif (&Apache::lonnet::symbverify($symb,$url)) {
+                $shownsymb = $symb;
+                if ($isexternal) {
+                    $url =~ s/\#[^#]+$//;
+                    if ($container eq 'page') {
+                        $url = &Apache::lonnet::clutter($url);
+                    }
+                }
+                $shownurl = $url;
+            }
+            unless ($env{'request.role.adv'}) {
+                if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
+                    $url = '';
+                }
+                if (&Apache::lonnet::EXT('resource.0.hiddenresource',$symb) =~ /^yes$/i) {
+                    $url = '';
+                    $hiddenres = 1;
+                }
+            }
+            if ($url ne '') {
+                $url = $shownurl.(($shownurl=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
             }
 	}
     } elsif ($supplementalflag) {
@@ -3968,7 +4205,7 @@ END
                 $url = $1;
                 $anchor = $2;
                 if (($url =~ m{^(|/adm/wrapper)/ext/(?!https:)}) && ($ENV{'SERVER_PORT'} == 443)) {
-                    unless (&Apache::lonnet::uses_sts()) {
+                    unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                         if ($hostname ne '') {
                             $url = 'http://'.$hostname.$url;
                         }
@@ -3980,7 +4217,7 @@ END
         } elsif ($url =~ m{^\Q/public/$coursedom/$coursenum/syllabus\E}) {
             if (($ENV{'SERVER_PORT'} == 443) &&
                 ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
-                unless (&Apache::lonnet::uses_sts()) {
+                unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                     if ($hostname ne '') {
                         $url = 'http://'.$hostname.$url;
                     }
@@ -4076,12 +4313,17 @@ $form_common."\n".
 $form_end;
         }
     } elsif ($supplementalflag && !$allowed) {
+        my $isexttool;
+        if ($url=~m{^/adm/$coursedom/$coursenum/\d+/ext\.tool$}) {
+            $url='/adm/wrapper'.$url;
+            $isexttool = 1;
+        }
         $url .= ($url =~ /\?/) ? '&amp;':'?';
         $url .= 'folderpath='.&HTML::Entities::encode($esc_path,'<>&"');
         if ($title) {
             $url .= '&amp;title='.&HTML::Entities::encode($renametitle,'<>&"');
         }
-        if ($isexternal && $orderidx) {
+        if ((($isexternal) || ($isexttool)) && $orderidx) {
             $url .= '&amp;idx='.$orderidx;
         }
         if ($anchor ne '') {
@@ -4095,7 +4337,13 @@ $form_end;
         if ($isexternal) {
             ($editlink,$extresform) = 
                 &Apache::lonextresedit::extedit_form(0,$residx,$orig_url,$title,$pathitem,
-                                                     undef,undef,undef,$disabled);
+                                                     undef,undef,undef,undef,undef,undef,
+                                                     undef,$disabled);
+        } elsif ($orig_url =~ m{^/adm/$coursedom/$coursenum/\d+/ext\.tool$}) {
+            ($editlink,$extresform) =
+                &Apache::lonextresedit::extedit_form(0,$residx,$orig_url,$title,$pathitem,
+                                                     undef,undef,undef,'tool',$coursedom,
+                                                     $coursenum,$ltitoolsref,$disabled);
         } elsif (!$isfolder && !$ispage) {
             my ($cfile,$home,$switchserver,$forceedit,$forceview) = 
                 &Apache::lonnet::can_edit_resource($fileloc,$coursenum,$coursedom,$orig_url);
@@ -4108,7 +4356,7 @@ $form_end;
                     &Apache::lonhtmlcommon::jump_to_editres($cfile,$home,
                                                             $switchserver,
                                                             $forceedit,
-                                                            undef,$symb,
+                                                            undef,$symb,$shownsymb,
                                                             &escape($env{'form.folderpath'}),
                                                             $renametitle,$hostname,
                                                             '','',1,$suppanchor);
@@ -4306,6 +4554,8 @@ sub new_timebased_suffix {
             $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new folder/page.');
         } elsif ($type eq 'smppg') {
             $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new simple page.');
+        } elsif ($type eq 'exttool') {
+            $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new external tool.');
         } else {
             $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new discussion board.');
         }
@@ -4334,6 +4584,9 @@ sub new_timebased_suffix {
         } elsif ($type eq 'smppg') {
             $locknotfreed .=
                 &mt('This will prevent creation of additional simple pages in this course.');
+        } elsif ($type eq 'exttool') {
+            $locknotfreed .=
+                &mt('This will prevent creation of additional external tools in this course.');
         } else {
             $locknotfreed .=
                 &mt('This will prevent creation of additional discussion boards in this course.');
@@ -4517,6 +4770,48 @@ sub list_symbs {
     $r->print(&endContentScreen());
 }
 
+sub short_urls {
+    my ($r,$canedit) = @_;
+    my $crstype = &Apache::loncommon::course_type();
+    my $formname = 'shortenurl';
+    $r->print(&Apache::loncommon::start_page('Display/Set Shortened URLs'));
+    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Shortened URLs'));
+    $r->print(&startContentScreen('tools'));
+    my ($navmap,$errormsg) =
+        &Apache::loncourserespicker::get_navmap_object($crstype,'shorturls');
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my (%maps,%resources,%titles);
+    if (!ref($navmap)) {
+        $r->print($errormsg.
+                  &endContentScreen());
+        return '';
+    } else {
+        $r->print('<h4 class="LC_info">'.&mt('Tiny URLs for deep-linking into course').'</h4>'."\n");
+        $r->rflush();
+        my $readonly;
+        if ($canedit) {
+            my ($numnew,$errors) = &Apache::loncommon::get_requested_shorturls($cdom,$cnum,$navmap);
+            if ($numnew) {
+                $r->print('<p class="LC_info">'.&mt('Created [quant,_1,URL]',$numnew).'</p>');
+            }
+            if ((ref($errors) eq 'ARRAY') && (@{$errors} > 0)) {
+                $r->print(&mt('The following errors occurred when processing your request to create shortened URLs:').'<br /><ul>');
+                foreach my $error (@{$errors}) {
+                    $r->print('<li>'.$error.'</li>');
+                }
+                $r->print('</ul><br />');
+            }
+        } else {
+            $readonly = 1;
+        }
+        my %currtiny = &Apache::lonnet::dump('tiny',$cdom,$cnum);
+        $r->print(&Apache::loncourserespicker::create_picker($navmap,'shorturls',$formname,$crstype,undef,
+                                                             undef,undef,undef,undef,undef,\%currtiny,$readonly));
+    }
+    $r->print(&endContentScreen());
+}
+
 sub contentverifyform {
     my ($r) = @_;
     my $crstype = &Apache::loncommon::course_type();
@@ -4531,7 +4826,7 @@ sub contentverifyform {
               &mt('No').'</label>'.('&nbsp;'x2).
               '<label><input type="radio" name="checkstale" value="1" />'.
               &mt('Yes').'</label></span></p><p>'.
-              '<input type="submit" value="'.&mt('Verify content').' "/>'.
+              '<input type="submit" value="'.&mt('Verify Content').' "/>'.
               '<input type="hidden" value="1" name="tools" />'.
               '<input type="hidden" value="1" name="verify" /></p></form>');
     $r->print(&endContentScreen());
@@ -4990,12 +5285,12 @@ sub handler {
 #
 # --------------------------------------------- Initialize help topics for this
     foreach my $topic ('Adding_Course_Doc','Main_Course_Documents',
-	               'Adding_External_Resource','Navigate_Content',
-	               'Adding_Folders','Docs_Overview', 'Load_Map',
-	               'Supplemental','Score_Upload_Form','Adding_Pages',
-	               'Importing_LON-CAPA_Resource','Importing_IMS_Course',
-                       'Uploading_From_Harddrive','Course_Roster','Web_Page',
-                       'Dropbox','Simple_Problem') {
+	               'Adding_External_Resource','Adding_External_Tool',
+                       'Navigate_Content','Adding_Folders','Docs_Overview',
+	               'Load_Map','Supplemental','Score_Upload_Form', 
+	               'Adding_Pages','Importing_LON-CAPA_Resource',
+	               'Importing_IMS_Course','Uploading_From_Harddrive',
+                       'Course_Roster','Web_Page','Dropbox','Simple_Problem') {
 	$help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
     }
     # Composite help files
@@ -5049,6 +5344,9 @@ sub handler {
   } elsif ($allowed && $env{'form.listsymbs'}) {
       &init_breadcrumbs('listsymbs','List Content IDs');
       &list_symbs($r);
+  } elsif ($allowed && $env{'form.shorturls'}) {
+      &init_breadcrumbs('shorturls','Set/Display Shortened URLs','Docs_Short_URLs');
+      &short_urls($r,$canedit);
   } elsif ($allowed && $env{'form.docslog'}) {
       &init_breadcrumbs('docslog','Show Log');
       my $folder = $env{'form.folder'};
@@ -5119,35 +5417,11 @@ sub handler {
     if ($env{'form.tools'}) { $toolsflag=1; }
 
     if ($env{'form.folderpath'} ne '') {
-        my @items = split(/\&/,$env{'form.folderpath'});
-        my $badpath;
-        for (my $i=0; $i<@items; $i++) {
-            my $odd = $i%2;
-            if (($odd) && (!$supplementalflag) && ($items[$i] !~ /^[^:]*:(|\d+):(|1):(|1):(|1):(|1)$/)) {
-                $badpath = 1;
-            } elsif ((!$odd) && ($items[$i] !~ /^(default|supplemental)(|_\d+)$/)) {
-                $badpath = 1;
-            }
-            last if ($badpath);
-        }
-        if ($badpath) {
-            delete($env{'form.folderpath'});
-        }
+        &validate_folderpath($supplementalflag);
     }
 
     if ($env{'form.supppath'} ne '') {
-        my @items = split(/\&/,$env{'form.supppath'});
-        my $badpath;
-        for (my $i=0; $i<@items; $i++) {
-            my $odd = $i%2;
-            if ((!$odd) && ($items[$i] !~ /^supplemental(|_\d+)$/)) {
-                $badpath = 1;
-            }
-            last if ($badpath);
-        }
-        if ($badpath) {
-            delete($env{'form.supppath'});
-        }
+        &validate_suppath();
     }
 
     my $script='';
@@ -5156,6 +5430,7 @@ sub handler {
     my $container;
     my $containertag;
     my $pathitem;
+    my %ltitools;
     my $hiddentop;
     my $navmap;
     my $filterFunc = sub { my $res = shift; return (!$res->randomout() && !$res->is_map()) };
@@ -5205,6 +5480,9 @@ sub handler {
         } else {
             undef($env{'form.folderpath'});
         }
+        if ($env{'form.folderpath'} ne '') {
+            &validate_folderpath($supplementalflag);
+        }
     }
    
 # If we are not allowed to make changes, all we can see are supplemental docs
@@ -5229,7 +5507,7 @@ sub handler {
             undef($env{'form.folderpath'});
         } else {
             $folderurl = "uploaded/$coursedom/$coursenum/$folder";
-            if ((split(/\:/,$pathitems[-1]))[4]) {
+            if ((split(/\:/,$pathitems[-1]))[5]) {
                 $folderurl .= '.page';
             } else {
                 $folderurl .= '.sequence';
@@ -5333,13 +5611,15 @@ sub handler {
                 }
             }
             my $tabidstr = join("','",@tabids);
+            %ltitools = &Apache::lonnet::get_domain_lti($coursedom,'consumer');
+            my $posslti = keys(%ltitools);
             my $hostname = $r->hostname();
-	    $script .= &editing_js($udom,$uname,$supplementalflag,$coursedom,$coursenum,
+            $script .= &editing_js($udom,$uname,$supplementalflag,$coursedom,$coursenum,$posslti,
                                    $canedit,$hostname,\$navmap).
                        &history_tab_js().
                        &inject_data_js().
                        &Apache::lonhtmlcommon::resize_scrollbox_js('docs',$tabidstr,$tid).
-                       &Apache::lonextresedit::extedit_javascript();
+                       &Apache::lonextresedit::extedit_javascript(\%ltitools);
             $addentries = {
                             onload   => "javascript:resize_scrollbox('contentscroll','1','1');",
                           };
@@ -5475,6 +5755,8 @@ sub handler {
                 'impo' => 'Import',
 		'lnks' => 'Import from Stored Links',
                 'impm' => 'Import from Assembled Map',
+                'extr' => 'External Resource',
+                'extt' => 'External Tool',
                 'selm' => 'Select Map',
                 'load' => 'Load Map',
                 'newf' => 'New Folder',
@@ -5646,7 +5928,12 @@ SEDFFORM
         my $extresourcesform =
             &Apache::lonextresedit::extedit_form(0,0,undef,undef,$pathitem,
                                                  $help{'Adding_External_Resource'},
-                                                 undef,undef,$disabled);
+                                                 undef,undef,undef,undef,undef,undef,$disabled);
+        my $exttoolform =
+            &Apache::lonextresedit::extedit_form(0,0,undef,undef,$pathitem,
+                                                 $help{'Adding_External_Tool'},undef,
+                                                 undef,'tool',$coursedom,$coursenum,
+                                                 \%ltitools,$disabled);
     if ($allowed) {
         my $folder = $env{'form.folder'};
         if ($folder eq '') {
@@ -5690,6 +5977,7 @@ HIDDENFORM
 #
 
     my $savefolderpath;
+    my $hostname = $r->hostname();
 
     if ($allowed) {
        my $folder=$env{'form.folder'};
@@ -5881,19 +6169,30 @@ NSYLFORM
 	$help{'Group Portfolio'}
 	</form>
 NGFFORM
-	@specialdocumentsforma=(
+        if ($container eq 'page') {
+            @specialdocumentsforma=(
+        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/webpage.png" alt="'.$lt{webp}.'" onclick="javascript:makewebpage();" />'=>$newwebpageform},
+            );
+        } else {
+	    @specialdocumentsforma=(
 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/page.png" alt="'.$lt{newp}.'"  onclick="javascript:makenewpage(document.newpage,\''.$pageseq.'\');" />'=>$newpageform},
 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/syllabus.png" alt="'.$lt{syll}.'" onclick="javascript:makenew(document.newsyl);" />'=>$newsylform},
 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/navigation.png" alt="'.$lt{navc}.'" onclick="javascript:makenew(document.newnav);" />'=>$newnavform},
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/simple.png" alt="'.$lt{sipa}.'" onclick="javascript:makesmppage();" />'=>$newsmppageform},
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/webpage.png" alt="'.$lt{webp}.'" onclick="javascript:makewebpage();" />'=>$newwebpageform},
-        );
+            );
+        }
         $specialdocumentsform = &create_form_ul(&create_list_elements(@specialdocumentsforma));
 
 
         my @importdoc = (
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="toggleUpload(\'ext\');" />'=>$extresourcesform}
         );
+        if (keys(%ltitools)) {
+            push(@importdoc,
+                {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/exttool.png" alt="'.$lt{extt}.'" onclick="toggleUpload(\'tool\');" />'=>$exttoolform},
+        );
+        }
         unless ($container eq 'page') {
             push(@importdoc,
                 {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/ims.png" alt="'.$lt{imsf}.'" onclick="javascript:toggleUpload(\'ims\');" />'=>$imspform}
@@ -5925,18 +6224,18 @@ my %orderhash = (
                 'aa' => ['Upload',$fileuploadform],
                 'bb' => ['Import',$importpubform],
                 'cc' => ['Grading',$gradingform],
+                'ee' => ['Other',$specialdocumentsform],
                 );
 unless ($container eq 'page') {
     $orderhash{'00'} = ['Newfolder',$newfolderform];
     $orderhash{'dd'} = ['Collaboration',$communityform];
-    $orderhash{'ee'} = ['Other',$specialdocumentsform];
 }
 
  $hadchanges=0;
        unless (($supplementalflag || $toolsflag)) {
           my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
                               $supplementalflag,\%orderhash,$iconpath,$pathitem,
-                              $canedit,\$navmap,$hiddentop);
+                              \%ltitools,$canedit,$hostname,\$navmap,$hiddentop);
           undef($navmap);
           if ($error) {
              $r->print('<p><span class="LC_error">'.$error.'</span></p>');
@@ -6006,6 +6305,11 @@ SNFFORM
             &Apache::lonextresedit::extedit_form(1,0,undef,undef,$pathitem,
                                                  $help{'Adding_External_Resource'},
                                                  undef,undef,$disabled);
+        my $supexttoolform =
+            &Apache::lonextresedit::extedit_form(1,0,undef,undef,$pathitem,
+                                                 $help{'Adding_External_Tool'},
+                                                 undef,undef,'tool',$coursedom,
+                                                 $coursenum,\%ltitools,$disabled);
 
 	my $supnewsylform=(<<SNSFORM);
 	<form action="/adm/coursedocs" method="post" name="supnewsyl">
@@ -6060,10 +6364,16 @@ my @specialdocs = (
 		);
 my @supimportdoc = (
 		{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="javascript:toggleUpload(\'suppext\')" />'
-            =>$supextform},
+            =>$supextform});
+        if (keys(%ltitools)) {
+            push(@supimportdoc,
+                {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/exttool.png" alt="'.$lt{extt}.'" onclick="javascript:toggleUpload(\'supptool\')" />'
+            =>$supexttoolform});
+        }
+        push(@supimportdoc,
                 {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/pdfupload.png" alt="'.$lt{upl}.'" onclick="javascript:toggleUpload(\'suppdoc\');" />'
             =>$supupdocform},
-                   );
+        );
 
 $supupdocform =  &create_form_ul(&create_list_elements(@supimportdoc));
 my %suporderhash = (
@@ -6074,7 +6384,7 @@ my %suporderhash = (
         if ($supplementalflag) {
            my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
                                $supplementalflag,\%suporderhash,$iconpath,$pathitem,
-                               $canedit);
+                               \%ltitools,$canedit,$hostname);
            if ($error) {
               $r->print('<p><span class="LC_error">'.$error.'</span></p>');
            } else {
@@ -6094,7 +6404,8 @@ my %suporderhash = (
         }
     } elsif ($supplementalflag) {
         my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
-                            $supplementalflag,'',$iconpath,$pathitem);
+                            $supplementalflag,'',$iconpath,$pathitem,'',$canedit,
+                            $hostname);
         if ($error) {
             $r->print('<p><span class="LC_error">'.$error.'</span></p>');
         }
@@ -6294,6 +6605,7 @@ sub generate_admin_menu {
                                          'vc'   => 'Verify Content',
                                          'cv'   => 'Check/Set Resource Versions',
                                          'ls'   => 'List Resource Identifiers',
+                                         'ct'   => 'Display/Set Shortened URLs for Deep-linking',
                                          'imse' => 'Export contents to IMS Archive',
                                          'dcd'  => "Copy $crstype Content to Authoring Space",
             );
@@ -6344,6 +6656,13 @@ sub generate_admin_menu {
                     icon       => 'symbs.png',
                     linktitle  => "List the unique identifier used for each resource instance in your $lc_crstype"
                 },
+                {   linktext   => $lt{'ct'},
+                    url        => "javascript:injectData(document.courseverify,'dummy','shorturls','$lt{'ct'}')",
+                    permission => 'F',
+                    help       => 'Docs_Short_URLs',
+                    icon       => 'shorturls.png',
+                    linktitle  => "Set shortened URLs for a resource or folder in your $lc_crstype for use in deep-linking"
+                },
                 ]
         });
     if ($canedit) {
@@ -6474,7 +6793,7 @@ END
 }
 
 sub editing_js {
-    my ($udom,$uname,$supplementalflag,$coursedom,$coursenum,
+    my ($udom,$uname,$supplementalflag,$coursedom,$coursenum,$posslti,
         $canedit,$hostname,$navmapref) = @_;
     my %js_lt = &Apache::lonlocal::texthash(
                                           p_mnf => 'Name of New Folder',
@@ -6557,7 +6876,7 @@ sub editing_js {
                 if ($backtourl =~ m{^\Q/public/$coursedom/$coursenum/syllabus\E}) {
                     if (($ENV{'SERVER_PORT'} == 443) &&
                         ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
-                        unless (&Apache::lonnet::uses_sts()) {
+                        unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                             if ($hostname ne '') {
                                 $backtourl = 'http://'.$hostname.$backtourl;
                             }
@@ -6566,7 +6885,7 @@ sub editing_js {
                     }
                 } elsif ($backtourl =~ m{^/adm/wrapper/ext/(?!https:)}) {
                     if (($ENV{'SERVER_PORT'} == 443) && ($hostname ne '')) {
-                        unless (&Apache::lonnet::uses_sts()) {
+                        unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                             if ($hostname ne '') {
                                 $backtourl = 'http://'.$hostname.$backtourl;
                             }
@@ -6591,11 +6910,17 @@ sub editing_js {
     }
 
     my $fieldsets = "'ext','doc'";
+    if ($posslti) {
+        $fieldsets .= ",'tool'";
+    }
     unless ($main_container_page) {
         $fieldsets .=",'ims'";
     }
     if ($supplementalflag) {
         $fieldsets = "'suppext','suppdoc'";
+        if ($posslti) {
+            $fieldsets .= ",'supptool'";
+        }
     }
 
     my $jsmakefunctions;
@@ -6604,7 +6929,7 @@ sub editing_js {
 function makenewfolder(targetform,folderseq) {
     var foldername=prompt('$js_lt{"p_mnf"}','$js_lt{"t_mnf"}');
     if (foldername) {
-       targetform.importdetail.value=escape(foldername)+"="+folderseq;
+       targetform.importdetail.value=encodeURIComponent(foldername)+"="+folderseq;
         targetform.submit();
     }
 }
@@ -6612,7 +6937,7 @@ function makenewfolder(targetform,folder
 function makenewpage(targetform,folderseq) {
     var pagename=prompt('$js_lt{"p_mnp"}','$js_lt{"t_mnp"}');
     if (pagename) {
-        targetform.importdetail.value=escape(pagename)+"="+folderseq;
+        targetform.importdetail.value=encodeURIComponent(pagename)+"="+folderseq;
         targetform.submit();
     }
 }
@@ -6621,7 +6946,7 @@ function makeexamupload() {
    var title=prompt('$js_lt{"p_mxu"}');
    if (title) {
     this.document.forms.newexamupload.importdetail.value=
-	escape(title)+'=/res/lib/templates/examupload.problem';
+	encodeURIComponent(title)+'=/res/lib/templates/examupload.problem';
     this.document.forms.newexamupload.submit();
    }
 }
@@ -6630,7 +6955,7 @@ function makesmppage() {
    var title=prompt('$js_lt{"p_msp"}');
    if (title) {
     this.document.forms.newsmppg.importdetail.value=
-	escape(title)+'=/adm/$udom/$uname/new/smppg';
+	encodeURIComponent(title)+'=/adm/$udom/$uname/new/smppg';
     this.document.forms.newsmppg.submit();
    }
 }
@@ -6645,7 +6970,7 @@ function makewebpage(type) {
    }
    if (title) {
        var webpage = formname.importdetail.value;
-       formname.importdetail.value = escape(title)+'='+webpage;
+       formname.importdetail.value = encodeURIComponent(title)+'='+webpage;
        formname.submit();
    }
 }
@@ -6654,7 +6979,7 @@ function makesmpproblem() {
    var title=prompt('$js_lt{"p_msb"}');
    if (title) {
     this.document.forms.newsmpproblem.importdetail.value=
-	escape(title)+'=/res/lib/templates/simpleproblem.problem';
+	encodeURIComponent(title)+'=/res/lib/templates/simpleproblem.problem';
     this.document.forms.newsmpproblem.submit();
    }
 }
@@ -6663,7 +6988,7 @@ function makedropbox() {
    var title=prompt('$js_lt{"p_mdb"}');
    if (title) {
     this.document.forms.newdropbox.importdetail.value=
-        escape(title)+'=/res/lib/templates/DropBox.problem';
+        encodeURIComponent(title)+'=/res/lib/templates/DropBox.problem';
     this.document.forms.newdropbox.submit();
    }
 }
@@ -6672,7 +6997,7 @@ function makebulboard() {
    var title=prompt('$js_lt{"p_mbb"}');
    if (title) {
     this.document.forms.newbul.importdetail.value=
-	escape(title)+'=/adm/$udom/$uname/new/bulletinboard';
+	encodeURIComponent(title)+'=/adm/$udom/$uname/new/bulletinboard';
     this.document.forms.newbul.submit();
    }
 }
@@ -6792,6 +7117,19 @@ function toggleUpload(caller) {
             }
         }
         document.getElementById('upload'+blocks[i]+'form').style.display=disp;
+        if ((caller == 'tool') || (caller == 'supptool')) {
+            if (disp == 'block') {
+                if (document.getElementById('LC_exttoolid')) {
+                    var toolselector = document.getElementById('LC_exttoolid');
+                    var suppflag = 0;
+                    if (caller == 'supptool') {
+                        suppflag = 1;
+                    }
+                    currForm = document.getElementById('new'+caller);
+                    updateExttool(toolselector,currForm,suppflag);
+                }
+            }
+        }
     }
     resize_scrollbox('contentscroll','1','1');
     return;