--- loncom/interface/londocs.pm 2002/10/25 13:39:36 1.36 +++ loncom/interface/londocs.pm 2025/01/07 21:01:37 1.722 @@ -1,7 +1,7 @@ # The LearningOnline Network # Documents # -# $Id: londocs.pm,v 1.36 2002/10/25 13:39:36 www Exp $ +# $Id: londocs.pm,v 1.722 2025/01/07 21:01:37 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -30,12 +30,32 @@ package Apache::londocs; use strict; use Apache::Constants qw(:common :http); +use Apache::imsexport; use Apache::lonnet; use Apache::loncommon; -use Apache::lonratedt; -use Apache::lonratsrv; +use Apache::lonhtmlcommon; +use LONCAPA::map(); +use Apache::lonratedt(); use Apache::lonxml; +use Apache::lonclonecourse; +use Apache::lonnavmaps; +use Apache::lonnavdisplay(); +use Apache::lonextresedit(); +use Apache::lontemplate(); +use Apache::lonsimplepage(); +use Apache::lonhomework(); +use Apache::lonpublisher(); +use Apache::loncourserespicker(); +use HTML::Entities; +use HTML::TokeParser; +use HTML::LCParser; use GDBM_File; +use File::MMagic; +use File::Copy; +use Apache::lonlocal; +use Cwd; +use UUID::Tiny ':std'; +use LONCAPA qw(:DEFAULT :match); my $iconpath; @@ -44,236 +64,6190 @@ my %hash; my $hashtied; my %alreadyseen=(); -# Mapread read maps into lonratedt::global arrays -# @order and @resources, determines status -# sets @order - pointer to resources in right order -# sets @resources - array with the resources with correct idx -# +my $hadchanges; +my $suppchanges; + + +my %help=(); + sub mapread { my ($coursenum,$coursedom,$map)=@_; return - &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'. - $map); + &LONCAPA::map::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'. + $map); } sub storemap { - my ($coursenum,$coursedom,$map)=@_; - return - &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'. - $map,1); + my ($coursenum,$coursedom,$map,$contentchg)=@_; + my $report; + if (($contentchg) && ($map =~ /^default/)) { + $report = 1; + } + my ($outtext,$errtext)= + &LONCAPA::map::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'. + $map,1,$report); + if ($errtext) { return ($errtext,2); } + + if ($map =~ /^default/) { + $hadchanges=1; + } elsif ($contentchg) { + $suppchanges=1; + } + return ($errtext,0); +} + + + +sub authorhosts { + my %outhash=(); + my $home=0; + my $other=0; + my @ids=&Apache::lonnet::current_machine_ids(); + foreach my $key (keys(%env)) { + if ($key=~/^user\.role\.(au|ca)\.(.+)$/) { + my $role=$1; + my $realm=$2; + my ($start,$end)=split(/\./,$env{$key}); + if (($start) && ($start>time)) { next; } + if (($end) && (time>$end)) { next; } + my ($ca,$cd); + if ($1 eq 'au') { + $ca=$env{'user.name'}; + $cd=$env{'user.domain'}; + } else { + ($cd,$ca)=($realm=~/^\/($match_domain)\/($match_username)$/); + } + my $allowed=0; + my $myhome=&Apache::lonnet::homeserver($ca,$cd); + foreach my $id (@ids) { + if ($id eq $myhome) { + $allowed=1; + last; + } + } + if ($allowed) { + $home++; + $outhash{'home_'.$ca.':'.$cd}=1; + } else { + $outhash{'otherhome_'.$ca.':'.$cd}=$myhome; + $other++; + } + } + } + return ($home,$other,%outhash); +} + + +sub clean { + my ($title)=@_; + $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs; + return $title; +} + +sub default_folderpath { + my ($coursenum,$coursedom,$navmapref) = @_; + return unless ($coursenum && $coursedom && ref($navmapref)); +# Check if entire course is hidden and/or encrypted + my ($hiddenmap,$encryptmap,$folderpath,$hiddentop); + my $toplevel = "uploaded/$coursedom/$coursenum/default.sequence"; + unless (ref($$navmapref)) { + $$navmapref = Apache::lonnavmaps::navmap->new(); + } + if (ref($$navmapref)) { + if (lc($$navmapref->get_mapparam(undef,$toplevel,"0.hiddenresource")) eq 'yes') { + my $filterFunc = sub { my $res = shift; return (!$res->randomout() && !$res->is_map()) }; + my @resources = $$navmapref->retrieveResources($toplevel,$filterFunc,1,1); + unless (@resources) { + $hiddenmap = 1; + unless ($env{'request.role.adv'}) { + $hiddentop = 1; + if ($env{'form.folder'}) { + undef($env{'form.folder'}); + } + } + } + } + if (lc($$navmapref->get_mapparam(undef,$toplevel,"0.encrypturl")) eq 'yes') { + $encryptmap = 1; + } + } + unless ($hiddentop) { + $folderpath='default&'.&escape(&mt('Main Content')). + '::'.$hiddenmap.':'.$encryptmap.'::'; + } + if (wantarray) { + return ($folderpath,$hiddentop); + } else { + return $folderpath; + } +} + +sub validate_supppath { + my ($coursenum,$coursedom) = @_; + my $backto; + if ($env{'form.supppath'} ne '') { + my @items = split(/\&/,$env{'form.supppath'}); + my ($badpath,$got_supp,$supppath,%supphidden,%suppids); + for (my $i=0; $i<@items; $i++) { + my $odd = $i%2; + if ((!$odd) && ($items[$i] !~ /^supplemental(|_\d+)$/)) { + $badpath = 1; + last; + } elsif ($odd) { + my $suffix; + my $idx = $i-1; + if ($items[$i] =~ /^([^:]*)::(|1):::$/) { + $backto .= '&'.$1; + } elsif ($items[$idx] eq 'supplemental') { + $backto .= '&'.$items[$i]; + } else { + $backto .= '&'.$items[$i]; + my $is_hidden; + unless ($got_supp) { + my ($supplemental) = &Apache::loncommon::get_supplemental($coursenum,$coursedom); + if (ref($supplemental) eq 'HASH') { + if (ref($supplemental->{'hidden'}) eq 'HASH') { + %supphidden = %{$supplemental->{'hidden'}}; + } + if (ref($supplemental->{'ids'}) eq 'HASH') { + %suppids = %{$supplemental->{'ids'}}; + } + } + $got_supp = 1; + } + if (ref($suppids{"/uploaded/$coursedom/$coursenum/$items[$idx].sequence"}) eq 'ARRAY') { + my $mapid = $suppids{"/uploaded/$coursedom/$coursenum/$items[$idx].sequence"}->[0]; + if ($supphidden{$mapid}) { + $is_hidden = 1; + } + } + $suffix = '::'.$is_hidden.':::'; + } + $supppath .= '&'.$items[$i].$suffix; + } else { + $supppath .= '&'.$items[$i]; + $backto .= '&'.$items[$i]; + } + } + if ($badpath) { + delete($env{'form.supppath'}); + } else { + $supppath =~ s/^\&//; + $backto =~ s/^\&//; + $env{'form.supppath'} = $supppath; + } + } + return $backto; +} + +sub dumpcourse { + my ($r) = @_; + my $crstype = &Apache::loncommon::course_type(); + my ($starthash,$js); + unless (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) { + $js = <<"ENDJS"; + +ENDJS + $starthash = { + add_entries => {'onload' => "hide_searching();"}, + }; + } + $r->print(&Apache::loncommon::start_page('Copy uploaded content to Authoring Space',$js,$starthash)."\n". + &Apache::lonhtmlcommon::breadcrumbs('Copy uploaded content to Authoring Space')."\n"); + $r->print(&startContentScreen('tools')); + my ($home,$other,%outhash)=&authorhosts(); + unless ($home) { + $r->print('
'.&mt('No author or co-author roles on this server.').'
'); + $r->print(&endContentScreen()); + return ''; + } + my $origcrsid=$env{'request.course.id'}; + my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid); + if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) { +# Do the dumping + unless ($outhash{'home_'.$env{'form.authorspace'}}) { + $r->print(''.&mt('Selected Authoring Space is not on this server.').'
'. + &endContentScreen()); + return ''; + } + my ($ca,$cd)=split(/\:/,$env{'form.authorspace'}); + $r->print(''.&mt('No author or co-author roles on this server.').'
'); + $r->print(&endContentScreen()); + return ''; + } + my $docroot = $r->dir_config('lonDocRoot'); + my $is_course_home; + my @ids=&Apache::lonnet::current_machine_ids(); + if (($coursehome ne '') && (grep(/^\Q$coursehome\E$/,@ids))) { + $is_course_home = 1; + } + my $exclude = &Apache::lonnet::priv_exclude(); + my $srcurl = "/priv/$coursedom/$coursenum"; + my $srctop = $docroot.$srcurl; + my $resurl = "/res/$coursedom/$coursenum"; + my $res_exclude = &Apache::lonnet::res_exclude(); + if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) { + $r->print(''. + &mt('You do not have permission to copy files and/or directories from Course Authoring Space.'). + '
'. + &endContentScreen()); + return ''; + } + unless ($outhash{'home_'.$env{'form.authorspace'}}) { + $r->print(''.&mt('Selected Authoring Space is not on this server.').'
'. + &endContentScreen()); + return ''; + } + my ($ca,$cd)=split(/\:/,$env{'form.authorspace'}); + my $desturl = "/priv/$cd/$ca"; + my $destresurl = "/res/$cd/$ca"; + my $desttop = $docroot.$desturl; + my $subdir = &clean($env{'form.authorfolder'}); + $subdir = &cleandir($subdir); + if ($subdir eq '') { + $r->print(''.&mt('After removal of disallowed characters target sub-directory name was blank.').'
'. + &endContentScreen()); + return ''; + } elsif ($subdir =~/^_+$/) { + $r->print(''.&mt('After replacement of non-alphanumeric characters with _ in target sub-directory name, nothing but underscores was left.').'
'. + &endContentScreen()); + return ''; + } + my (%tocopy,%dirs_to_make,%files_to_copy); + map { $tocopy{&unescape($_)} = 1; } &Apache::loncommon::get_env_multiple('form.copytouser'); + if (keys(%tocopy)) { + my (%subdirs,%files); + &Apache::lonnet::recursedirs($is_course_home,1,undef,$exclude,0,0,$srcurl,'',\%subdirs,\%files); + foreach my $possible (sort(keys(%tocopy))) { + if ($possible =~ m{/$}) { + my $possdir = $possible; + $possdir =~ s{^/+|/+$}{}g; + if (exists($subdirs{$possdir})) { + $dirs_to_make{$possdir} = 1; + } else { + delete($tocopy{$possible}); + } + } else { + my ($path,$fname) = ($possible =~ m{(.*/)([^/]+)$}); + my $found = 0; + if ($path eq '/') { + if (ref($files{$path}) eq 'HASH') { + if (exists($files{$path}{$fname})) { + $found = 1; + $files_to_copy{$fname} = 1; + } + } + } else { + $path =~ s{^/+|/+$}{}g; + if (ref($files{$path}) eq 'HASH') { + if (exists($files{$path}{$fname})) { + $dirs_to_make{$path} = 1; + $files_to_copy{"$path/$fname"} = 1; + $found = 1; + } + } + } + unless ($found) { + delete($tocopy{$possible}); + } + } + } + } else { + $r->print(''.&mt('No files or directories selected for copying').'
'); + $r->print(&endContentScreen()); + return ''; + } + if (keys(%tocopy)) { + my (%resdirs,%resfiles); + &Apache::lonnet::recursedirs($is_course_home,1,undef,$res_exclude,0,0,$resurl,'',\%resdirs,\%resfiles); + my ($notopdir,%newdir,%newfile,%checkdeps,%newresfile); + $r->print(''.&mt('Copy to: [_1]', + ''.$desturl.'/'.$subdir.''). + '
'."\n"); + if (keys(%dirs_to_make)) { + unless (-e $desttop.'/'.$subdir) { + mkdir($desttop.'/'.$subdir,0755); + } + if (-e $desttop.'/'.$subdir) { + foreach my $dir (sort(keys(%dirs_to_make))) { + my @dirs=split(/\//,$dir); + my $path="$desttop/$subdir"; + my $makepath=$path; + my $fail; + for (my $i=0;$i<@dirs;$i++) { + $makepath.='/'.$dirs[$i]; + unless (-e $makepath) { + unless (mkdir($makepath,0755)) { + $fail = 1; + last; + } + if (($i == scalar(@dirs)-1) && (!$fail)) { + $newdir{$dir} = 1; + } + } + } + if ($fail) { + $r->print(''.&mt('Target directory: [_1] does not exist, and could not be created.', + ''.$desturl.'/'.$subdir.'/'.$dir.''). + '
'."\n"); + } + } + } else { + $notopdir = 1; + } + } + if (keys(%files_to_copy)) { + unless (-e $desttop.'/'.$subdir) { + mkdir($desttop.'/'.$subdir,0755); + } + if (-e $desttop.'/'.$subdir) { + my $num = 0; + my ($copyright,$customdistfile); + if ($env{'form.copyright'} eq 'default' || $env{'form.copyright'} eq 'domain' || $env{'form.copyright'} eq 'public') { + $copyright = $env{'form.copyright'}; + } elsif ($env{'form.copyright'} eq 'custom') { + if ($env{'form.customrights'} =~ m{^/res/$match_domain/$match_username/.+\.rights$}) { + my ($rightsdom,$rightsuname) = ($1,$2); + my $rightshome = &Apache::lonnet::homeserver($rightsdom,$rightsuname); + if (($rightshome eq 'no_host') || ($rightshome eq '')) { + $copyright = 'default'; + } elsif (grep(/^\Q$rightshome\E$/,@ids)) { + if (-e $docroot.$env{'form.customrights'}) { + $copyright = 'custom'; + $customdistfile = $env{'form.customrights'}; + } else { + $copyright = 'default'; + } + } else { + my $rightsfile = &Apache::lonnet::filelocation('',$env{'form.customrights'}); + unless (&Apache::lonnet::getfile($rightsfile) eq '-1') { + $customdistfile = $env{'form.customrights'}; + } + } + } + } + my $sourceavail; + if ($env{'form.sourceavail'} =~ /^(open|closed)$/) { + $sourceavail = $env{'form.sourceavail'}; + } + my $respublish; + if ($env{'form.respublish'}) { + $respublish = 1; + } + my $nokeyref = &Apache::lonpublisher::getnokey($r->dir_config('lonIncludes')); + foreach my $file (keys(%files_to_copy)) { + my ($fail,$dup,$dir_is_file,$src,$dest,$path,$fname); + if ($file =~ m{/}) { + ($path,$fname) = ($file =~ m{^(.+)/([^/]+)$}); + if (-d "$desttop/$subdir/$path") { + if (-e "$desttop/$subdir/$path/$fname") { + $dup = 1; + } else { + $src = "$srctop/$path/$fname"; + $dest = "$desttop/$subdir/$path/$fname"; + } + } elsif (-f "$desttop/$subdir/$path") { + $dir_is_file = 1; + } else { + $fail = 1; + } + } elsif (-e "$desttop/$subdir/$file") { + $dup = 1; + } else { + $src = "$srctop/$file"; + $dest = "$desttop/$subdir/$file"; + $fname = $file; + } + if ($fail) { + $r->print(''.&mt('Target directory: [_1] does not exist, and could not be created.', + ''.$desturl.'/'.$subdir.'/'.$path.''). + '
'."\n"); + } elsif ($dup) { + $r->print(''.&mt('Target file: [_1] already exists -- not overwriting.', + ''.$desturl.'/'.$subdir.'/'.$file.''). + '
'."\n"); + } elsif ($dir_is_file) { + $r->print(''.&mt('Target directory: [_1] name is already in a use for a file -- not overwriting.', + ''.$desturl.'/'.$subdir.'/'.$file.''). + '
'."\n"); + } elsif (($src ne '') && ($dest ne '')) { + my $ressrc = $docroot.$resurl.'/'.$file; + my $ressrcmeta = $ressrc.'.meta'; + my ($ext) = ($file =~ /\.(\w+)$/); + my $embstyle=&Apache::loncommon::fileembstyle($ext); + my ($getres,$getresmeta); + if ($respublish) { + if ($path eq '') { + if ((ref($resfiles{'/'}) eq 'HASH') && + (exists($resfiles{'/'}{$fname}))) { + $getres = 1; + $getresmeta = 1; + } + } elsif ((ref($resfiles{$path}) eq 'HASH') && + (exists($resfiles{$path}{$fname}))) { + $getres = 1; + $getresmeta = 1; + } + } + if ($is_course_home) { + my ($needpriv,$needprivmeta); + if ($respublish) { + if ($getres) { + if (&Apache::londiff::are_different_files($src,$ressrc)) { + $needpriv = 1; + if (&File::Copy::copy($ressrc,$dest)) { + if ($embstyle eq 'ssi') { + &crsres_fixup($dest,$coursenum,$coursedom,$ca,$cd); + } + } + } else { + if (&File::Copy::copy($src,$dest)) { + $newfile{$file} = $desturl.'/'.$subdir.'/'.$file; + if ($embstyle eq 'ssi') { + &crsres_fixup($dest,$coursenum,$coursedom,$ca,$cd,$subdir); + } + } + } + } else { + $needpriv = 1; + } + if ($getresmeta) { + if ((-e $src.'.meta') && (!-e $dest.'.meta')) { + if (&Apache::londiff::are_different_files($src.'.meta',$ressrc.'.meta')) { + if (&File::Copy::copy($ressrc.'.meta',$dest.'.meta')) { + &crsres_fixup_meta($dest,$coursenum,$coursedom,$ca,$cd,$copyright, + $customdistfile,$sourceavail,\%checkdeps); + } + $needprivmeta = 1; + } else { + if (&File::Copy::copy($src.'.meta',$dest.'.meta')) { + &crsres_fixup_meta($dest,$coursenum,$coursedom,$ca,$cd,$copyright, + $customdistfile,$sourceavail,\%checkdeps); + } + } + } + } + if ($getres) { + my $destresfile = $docroot.$destresurl.'/'.$subdir.'/'.$file; + if (-e $dest) { + my $output = &Apache::lonpublisher::batchpublish($r,$dest,$destresfile,$nokeyref,1); + if (-e $destresfile) { + $newresfile{$file} = $destresurl.'/'.$subdir.'/'.$file; + } + } + } + } else { + $needpriv = 1; + if ((-e $src.'.meta') && (!-e $dest.'.meta')) { + $needprivmeta = 1; + } + } + if ($needpriv) { + if (&File::Copy::copy($src,$dest)) { + $newfile{$file} = $desturl.'/'.$subdir.'/'.$file; + if ($embstyle eq 'ssi') { + &crsres_fixup($dest,$coursenum,$coursedom,$ca,$cd,$subdir); + } + } + } + if ($needprivmeta) { + if (&File::Copy::copy($src.'.meta',$dest.'.meta')) { + &crsres_fixup_meta($dest,$coursenum,$coursedom,$ca,$cd,$copyright, + $customdistfile,$sourceavail,\%checkdeps); + } + } + } else { + my ($needpriv,$needprivmeta); + if ($respublish) { + if ($getres) { + &Apache::lonnet::repcopy($docroot.$resurl.'/'.$file); + } + if ($getresmeta) { + &Apache::lonnet::repcopy($docroot.$resurl.'/'.$file.'.meta'); + } + if (-e $docroot.$resurl.'/'.$file) { + if (&Apache::lonnet::repcopy_crsprivfile($srcurl.'/'.$file,$dest) eq 'ok') { + if (&Apache::londiff::are_different_files($docroot.$resurl.'/'.$file,$dest)) { + $needpriv = 1; + if (&File::Copy::copy($docroot.$resurl.'/'.$file,$dest)) { + if ($embstyle eq 'ssi') { + &crsres_fixup($dest,$coursenum,$coursedom,$ca,$cd); + } + } + } else { + if ($embstyle eq 'ssi') { + &crsres_fixup($dest,$coursenum,$coursedom,$ca,$cd,$subdir); + } + $newfile{$file} = $desturl.'/'.$subdir.'/'.$file; + } + } + } else { + $needpriv = 1; + } + if (-e $docroot.$resurl.'/'.$file.'.meta') { + if (&Apache::lonnet::repcopy_crsprivfile($srcurl.'/'.$file.'.meta',$dest.'.meta') eq 'ok') { + if (&Apache::londiff::are_different_files($docroot.$resurl.'/'.$file.'.meta',$dest.'.meta')) { + $needprivmeta = 1; + if (&File::Copy::copy($docroot.$resurl.'/'.$file.'.meta',$dest.'.meta')) { + &crsres_fixup_meta($dest,$coursenum,$coursedom,$ca,$cd,$copyright, + $customdistfile,$sourceavail,\%checkdeps); + } + } else { + &crsres_fixup_meta($dest,$coursenum,$coursedom,$ca,$cd,$copyright, + $customdistfile,$sourceavail,\%checkdeps); + } + } + } else { + if (!-e $dest.'.meta') { + $needprivmeta = 1; + } + } + if ($getres) { + my $destresfile = $docroot.$destresurl.'/'.$subdir.'/'.$file; + if (-e $dest) { + my $output = &Apache::lonpublisher::batchpublish($r,$dest,$destresfile,$nokeyref,1); + if (-e $destresfile) { + $newresfile{$file} = $destresurl.'/'.$subdir.'/'.$file; + } + } + } + } else { + $needpriv = 1; + if (!-e $dest.'.meta') { + $needprivmeta = 1; + } + } + if ($needpriv) { + if (&Apache::lonnet::repcopy_crsprivfile($srcurl.'/'.$file,$dest) eq 'ok') { + if ($embstyle eq 'ssi') { + &crsres_fixup($dest,$coursenum,$coursedom,$ca,$cd,$subdir); + } + $newfile{$file} = $desturl.'/'.$subdir.'/'.$file; + } + } + if ($needprivmeta) { + if (&Apache::lonnet::repcopy_crsprivfile($srcurl.'/'.$file.'.meta',$dest.'.meta') eq 'ok') { + &crsres_fixup_meta($dest,$coursenum,$coursedom,$ca,$cd,$copyright, + $customdistfile,$sourceavail,\%checkdeps); + } + } + } + } + } + } else { + $notopdir = 1; + } + } + if ($notopdir) { + $r->print(''.&mt('No files or sub-directories copied').'
'."\n".
+ ''.&mt('Target directory: [_1] does not exist, and could not be created.',
+ ''.$desturl.'/'.$subdir.'').
+ '
'.&mt('Created the following directories in [_1]:',''.$desturl.'/'.$subdir.''). + '
'."\n". + ''.&mt('Copied the following files to [_1]:',''.$desturl.'/'.$subdir.''). + '
'."\n". + ''.&mt('You may also need to copy the following missing dependencies for files copied to [_1]:', + ''.$desturl.'/'.$subdir.''). + '
'."\n". + ''.&mt('No currently existing files or directories in Course Authoring Space selected for copying').'
'); + $r->print(&endContentScreen()); + return ''; + } + } else { + my $chkname = 'copytouser'; + my $context = 'crsauthored'; + my (%subdirs,%files,@dirs_by_depth,@files_by_depth,%parent,%children,%hierarchy,@checked_maps); + &Apache::lonnet::recursedirs($is_course_home,1,undef,$exclude,0,0,$srcurl,'',\%subdirs,\%files,1); + foreach my $key (keys(%subdirs)) { + next if (($key eq '/') || ($key eq '')); + my @items = split(/\//,$key); + my $dir = pop(@items); + my $depth = scalar(@items); + my $path; + if (!$depth) { + $path = '/'; + } else { + $path = join('/',@items); + } + $dirs_by_depth[$depth]{$path}{$dir} = 1; + } + foreach my $path (keys(%files)) { + next if ($path eq ''); + my $depth; + if ($path eq '/') { + $depth = 0; + } else { + $depth = scalar(split(/\//,$path)); + } + if (ref($files{$path}) eq 'HASH') { + foreach my $file (keys(%{$files{$path}})) { + $files_by_depth[$depth]{$path}{$file} = $files{$path}{$file}; + } + } + } + my ($info,$display,$onsubmit,$togglebuttons,$disabled); + my (%resdirs,%resfiles); + &Apache::lonnet::recursedirs($is_course_home,1,undef,$res_exclude,0,0,$resurl,'',\%resdirs,\%resfiles); + my $numpub = 0; + if (keys(%resfiles)) { + foreach my $dir (keys(%resfiles)) { + if (ref($resfiles{$dir}) eq 'HASH') { + foreach my $file (keys(%{$resfiles{$dir}})) { + if (exists($files{$dir}{$file})) { + $numpub ++; + } + } + } + } + } + if ($readonly) { + $disabled = ' disabled="disabled"'; + } + if ($disabled) { + $togglebuttons = '