--- loncom/publisher/lonpubdir.pm 2001/05/09 16:57:07 1.6
+++ loncom/publisher/lonpubdir.pm 2023/07/14 18:01:23 1.180
@@ -1,16 +1,31 @@
# The LearningOnline Network with CAPA
+# Authoring Space Directory Lister
#
-# (Publication Handler
-#
-# (TeX Content Handler
+# $Id: lonpubdir.pm,v 1.180 2023/07/14 18:01:23 raeburn Exp $
#
-# 05/29/00,05/30,10/11 Gerd Kortemeyer)
+# Copyright Michigan State University Board of Trustees
#
-# 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
-# 03/23 Guy Albertelli
-# 03/24,03/29 Gerd Kortemeyer)
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
-# 03/31,04/03,05/09 Gerd Kortemeyer
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+###
package Apache::lonpubdir;
@@ -18,126 +33,1225 @@ use strict;
use Apache::File;
use File::Copy;
use Apache::Constants qw(:common :http :methods);
-use Apache::loncacc;
-
+use Apache::loncommon();
+use Apache::lonhtmlcommon();
+use Apache::londiff();
+use Apache::lonlocal;
+use Apache::lonmsg;
+use Apache::lonmenu;
+use Apache::lonnet;
+use LONCAPA qw(:DEFAULT :match);
sub handler {
- my $r=shift;
+ my $r=shift;
- my $fn;
+ # Validate access to the construction space and get username:domain.
- if ($ENV{'form.filename'}) {
- $fn=$ENV{'form.filename'};
- $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
- $fn=~s/\/[^\/]+$//;
- } else {
- $fn=$r->filename();
- }
-
- my $uname;
- my $udom;
-
- unless (($uname,$udom)=
- &Apache::loncacc::constructaccess(
- $fn,$r->dir_config('lonDefDomain'))) {
- $r->log_reason($uname.' at '.$udom.
- ' trying to publish file '.$ENV{'form.filename'}.
- ' ('.$fn.') - not authorized',
- $r->filename);
- return HTTP_NOT_ACCEPTABLE;
- }
-
- $fn=~s/\/$//;
-
- unless ($fn) {
- $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
- ' trying to list empty directory', $r->filename);
- return HTTP_NOT_FOUND;
- }
+ my ($uname,$udom)=&Apache::lonnet::constructaccess($r->uri);
+ unless (($uname) && ($udom)) {
+ return HTTP_NOT_ACCEPTABLE;
+ }
# ----------------------------------------------------------- Start page output
+ my $fn=$r->filename;
+ $fn=~s/\/$//;
+ my $thisdisfn=$fn;
+
+ my $docroot=$r->dir_config('lonDocRoot'); # Apache londocument root.
+ if ($thisdisfn eq "$docroot/priv/$udom") {
+ if ((-d "/home/$uname/public_html/") && (!-e "$docroot/priv/$udom/$uname")) {
+ my ($version) = ($r->dir_config('lonVersion') =~ /^\'?(\d+\.\d+)\./);
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+
+ &Apache::lonhtmlcommon::clear_breadcrumbs();
+ $r->print(&Apache::loncommon::start_page('Authoring Space').
+ '<div class="LC_error">'.
+ '<br /><p>'.
+ &mt('Your Authoring Space is currently in the location used by LON-CAPA version 2.10 and older, but your domain is using a newer LON-CAPA version ([_1]).',$version).'</p>'.
+ '<p>'.
+ &mt('Please ask your Domain Coordinator to move your Authoring Space to the new location.').
+ '</p>'.
+ '</div>'.
+ &Apache::loncommon::end_page());
+ return OK;
+ }
+ }
+ $thisdisfn=~s/^\Q$docroot\E\/priv//;
+
+ my $resdir=$docroot.'/res'.$thisdisfn; # Resource directory
+ my $targetdir='/res'.$thisdisfn; # Publication target directory.
+ my $linkdir='/priv'.$thisdisfn; # Full URL name of constr space.
+
+ my $cstr = 'author';
+ my ($crsauthor,$crstype);
+ if ($env{'request.course.id'}) {
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ if ($thisdisfn =~ m{^/\Q$cdom/$cnum\E}) {
+ $crsauthor = 1;
+ $cstr = 'course';
+ $crstype = &Apache::loncommon::course_type();
+ }
+ }
+
+ my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
+
+ my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
+ my $current_disk_usage = &Apache::lonnet::diskusage($udom,$uname,
+ "$londocroot/priv/$udom/$uname"); # expressed in kB
+ my $disk_quota = &Apache::loncommon::get_user_quota($uname,$udom,
+ $cstr,$crstype); # expressed in MB
+ # Put out the start of page.
+
+ &startpage($r, $uname, $udom, $thisdisfn, $current_disk_usage, $disk_quota, $crsauthor);
+
+ if (!-d $fn) {
+ if (-e $fn) {
+ $r->print('<p class="LC_info">'.&mt('Requested item is a file not a directory.').'</p>');
+ } else {
+ $r->print('<p class="LC_info">'.&mt('The requested subdirectory does not exist.').'</p>');
+ }
+ $r->print(&Apache::loncommon::end_page());
+ return OK;
+ }
+ my @files;
+ if (opendir(DIR,$fn)) {
+ @files = grep(!/^\.+$/,readdir(DIR));
+ closedir(DIR);
+ } else {
+ $r->print('<p class="LC_error">'.&mt('Could not open directory.').'</p>');
+ $r->print(&Apache::loncommon::end_page());
+ return OK;
+ }
+
+ # Put out actions for directory, browse/upload + new file page.
+ &dircontrols($r,$uname,$udom,$thisdisfn,$current_disk_usage,$disk_quota,$crsauthor);
+ &resourceactions($r,$uname,$udom,$thisdisfn); # Put out form used for printing/deletion etc.
+
+ my $numdir = 0;
+ my $numres = 0;
+
+ if ((@files == 0) && ($thisdisfn =~ m{^/$match_domain/$match_username})) {
+ if ($thisdisfn =~ m{^/$match_domain/$match_username$}) {
+ $r->print('<p class="LC_info">'.&mt('This Authoring Space is currently empty.').'</p>');
+ } else {
+ $r->print('<p class="LC_info">'.&mt('This subdirectory is currently empty.').'</p>');
+ }
+ $r->print(&Apache::loncommon::end_page());
+ return OK;
+ }
+
+ # Retrieving value for "sortby" and "sortorder" from QUERY_STRING
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['sortby','sortorder']);
+
+ # Sort by name as default, not reversed
+ if (! exists($env{'form.sortby'})) { $env{'form.sortby'} = 'filename' }
+ if (! exists($env{'form.sortorder'})) { $env{'form.sortorder'} = '' }
+ my $sortby = $env{'form.sortby'};
+ my $sortorder = $env{'form.sortorder'};
+
+ # Order in which columns are displayed from left to right
+ my @order = ('filetype','actions','filename','title',
+ 'pubstatus','cmtime','size');
+
+ # Up and down arrows to indicate sort order
+ my @arrows = (' ▲',' ▼','');
+
+ # Default sort order and column title
+ my %columns = (
+ filetype => {
+ order => 'ascending',
+ text => &mt('Type'),
+ },
+ actions => {
+ # Not sortable
+ text => &mt('Actions'),
+ },
+ filename => {
+ order => 'ascending',
+ text => &mt('Name'),
+ },
+ title => {
+ order => 'ascending',
+ text => &mt('Title'),
+ },
+ pubstatus => {
+ order => 'ascending',
+ text => &mt('Status'),
+ colspan => '2',
+ },
+ cmtime => {
+ order => 'descending',
+ text => &mt('Last Modified'),
+ },
+ size => {
+ order => 'ascending',
+ text => &mt('Size').' (kB)',
+ },
+ );
+
+ # Print column headers
+ my $output = '';
+ foreach my $key (@order) {
+ my $idx;
+ # Append an up or down arrow to sorted column
+ if ($sortby eq $key) {
+ $idx = ($columns{$key}{order} eq 'ascending') ? 0:1;
+ if ($sortorder eq 'rev') { $idx ++; }
+ $idx = $idx%2;
+ } else { $idx = 2; } # No arrow if column is not sorted
+ $output .= (($columns{$key}{order}) ?
+ '<th'.($columns{$key}{colspan} ? ' colspan="'.$columns{$key}{colspan}.'"' : '')
+ .'><a href="'.$linkdir.'/?sortby='.$key.'&sortorder='
+ .((($sortby eq $key) && ($sortorder ne 'rev')) ? 'rev' : '').'">'
+ .$columns{$key}{text}.$arrows[$idx].'</a></th>' :
+ '<th>'.$columns{$key}{text}.'</th>');
+ }
+
+my $result = "<script type=\"text/javascript\">
+ sessionStorage.setItem('CSTRcache','".&prepareJsonData($uname,$udom,$thisdisfn)."');
+ localStorage.setItem('CSTRtrans', '".&prepareJsonTranslations()."');
+</script>";
+ $r->print($result);
+
+ $r->print('<div id="currentFolder">'.&Apache::loncommon::start_data_table()
+ .'<tr><th colspan="8" id="searchtitle" style="display:none"></th></tr>'
+ .&Apache::loncommon::start_data_table_header_row() . $output
+ .&Apache::loncommon::end_data_table_header_row()
+ );
+
+ my $dirptr=16384; # Mask indicating a directory in stat.cmode.
+ my $filehash = {};
+ foreach my $filename (@files) {
+ # Skip .DS_Store, .DAV and hidden files
+ my ($extension) = ($filename=~/\.(\w+)$/);
+ next if (($filename eq '.DS_Store')
+ || ($filename eq '.DAV')
+ || (&Apache::loncommon::fileembstyle($extension) eq 'hdn')
+ || ($filename =~ /^\._/));
+
+ my ($cmode,$csize,$cmtime)=(stat($fn.'/'.$filename))[2,7,9];
+ my $linkfilename = &HTML::Entities::encode('/priv'.$thisdisfn.'/'.$filename,'<>&"');
+ # Identify type of file according to icon used
+ my ($filetype) = (&Apache::loncommon::icon($filename) =~ m{/(\w+).gif$});
+ my $cstr_dir = $r->dir_config('lonDocRoot').'/priv'.$thisdisfn;
+ my $meta_same = &isMetaSame($cstr_dir, $resdir, $filename);
+
+ # Store size, title, and status for files but not directories
+ my $size = (!($cmode&$dirptr)) ? $csize/1024. : 0;
+ my ($status, $pubstatus, $title, $fulltitle);
+ if (!($cmode&$dirptr)) {
+ ($status, $pubstatus) = &getStatus($resdir, $targetdir, $cstr_dir,
+ $filename, $linkfilename, $cmtime, $meta_same);
+ if (($crsauthor) && ($extension eq 'rights')) {
+ $title = &getTitleString($targetdir.'/'.$filename);
+ $fulltitle = $title;
+ } else {
+ ($fulltitle, $title) = &getTitle($resdir, $targetdir, $filename,
+ $linkfilename, $meta_same, \%bombs);
+ }
+ } else {
+ ($status, $pubstatus) = ('','');
+ ($fulltitle, $title) = ('','');
+ }
+
+ # This hash will allow sorting
+ $filehash->{ $filename } = {
+ "cmtime" => $cmtime,
+ "size" => $size,
+ "cmode" => $cmode,
+ "filetype" => $filetype,
+ "title" => $title,
+ "fulltitle" => $fulltitle,
+ "status" => $status,
+ "pubstatus" => $pubstatus,
+ "linkfilename" => $linkfilename,
+ }
+ }
+
+ my @sorted_files;
+ # Sorting by something other than "Name". Name is the secondary key.
+ if ($sortby =~ m{cmtime|size}) { # Numeric fields
+ # First check if order should be reversed
+ if ($sortorder eq "rev") {
+ @sorted_files = sort {
+ $filehash->{$a}->{$sortby} <=> $filehash->{$b}->{$sortby}
+ or
+ uc($a) cmp uc($b)
+ } (keys(%{$filehash}));
+ } else {
+ @sorted_files = sort {
+ $filehash->{$b}->{$sortby} <=> $filehash->{$a}->{$sortby}
+ or
+ uc($a) cmp uc($b)
+ } (keys(%{$filehash}));
+ }
+ } elsif ($sortby =~ m{filetype|title|status}) { # String fields
+ if ($sortorder eq "rev") {
+ @sorted_files = sort {
+ $filehash->{$b}->{$sortby} cmp $filehash->{$a}->{$sortby}
+ or
+ uc($a) cmp uc($b)
+ } (keys(%{$filehash}));
+ } else {
+ @sorted_files = sort {
+ $filehash->{$a}->{$sortby} cmp $filehash->{$b}->{$sortby}
+ or
+ uc($a) cmp uc($b)
+ } (keys(%{$filehash}));
+ }
+
+ # Sort by "Name" is the default
+ } else {
+ if ($sortorder eq "rev") {
+ @sorted_files = sort {uc($b) cmp uc($a)} (keys(%{$filehash}));
+ } else {
+ @sorted_files = sort {uc($a) cmp uc($b)} (keys(%{$filehash}));
+ }
+ }
+
+ # Print the sorted resources
+ foreach my $filename (@sorted_files) {
+ if ($filehash->{$filename}->{"cmode"}&$dirptr) { # Directories
+ &putdirectory($r, $thisdisfn, $linkdir, $filename,
+ $filehash->{$filename}->{"cmtime"},
+ $targetdir, \%bombs, \$numdir);
+ } else { # Files
+ &putresource($r, $udom, $uname, $filename, $thisdisfn, $resdir,
+ $targetdir, $linkdir, $crsauthor,
+ $filehash->{$filename}->{"cmtime"},
+ $filehash->{$filename}->{"size"}, \$numres,
+ $filehash->{$filename}->{"linkfilename"},
+ $filehash->{$filename}->{"fulltitle"},
+ $filehash->{$filename}->{"status"},
+ $filehash->{$filename}->{"pubstatus"});
+ }
+ }
+
+ $r->print(&Apache::loncommon::end_data_table()
+ .'</div><div id="otherplaces" style="display:none">'
+ .&Apache::loncommon::start_data_table()
+ .'<tr><th colspan="7">'.&mt('Results in other directories:').'</th></tr>'
+ .'<tr class="LC_header_row" id="otherplacestable">'
+ .'<th>'.&mt('Type').'</th>'
+ .'<th>'.&mt('Directory').'</th>'
+ .'<th>'.&mt('Name').'</th>'
+ .'<th>'.&mt('Title').'</th>'
+ .'<th colspan="2">'.&mt('Status').'</th>'
+ .'<th>'.&mt('Last Modified').'</th>'
+ .'</tr>'
+ .&Apache::loncommon::end_data_table()
+ .'</div>'
+ .&Apache::loncommon::end_page()
+ );
+ return OK;
+}
+
+
+
+# Output the header of the page. This includes:
+# - The HTML header
+# - The H1/H3 stuff which includes the directory.
+#
+# startpage($r, $uame, $udom, $thisdisfn, $current_disk_usage, $disk_quota);
+# $r - The apache request object.
+# $uname - User name.
+# $udom - Domain name the user is logged in under.
+# $thisdisfn - Displayable version of the filename.
+# $current_disk_usage - User's current disk usage (in kB).
+# $disk_quota - Disk quota for user's authoring space (in MB).
+# $crstype - Course type, if this is for "course author"
+
+sub startpage {
+ my ($r, $uname, $udom, $thisdisfn, $current_disk_usage, $disk_quota, $crsauthor) = @_;
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+
+ my $formaction='/priv'.$thisdisfn.'/';
+ $formaction=~s|/+|/|g;
+
+ my $title;
+ if ($crsauthor) {
+ $title = 'Course Authoring';
+ } else {
+ $title = 'Authoring Space';
+ &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction);
+ }
+
+ &Apache::lonhtmlcommon::clear_breadcrumbs();
+ &Apache::lonhtmlcommon::add_breadcrumb({
+ 'text' => $title,
+ 'href' => &Apache::loncommon::authorspace($formaction),
+ });
+ # breadcrumbs (and tools) will be created
+ # in start_page->bodytag->innerregister
+
+ $env{'request.noversionuri'}=$formaction;
+ my $js = '<script type="text/javascript"
+ src="/res/adm/includes/file_upload.js"></script>';
+ $r->print(&Apache::loncommon::start_page($title, $js));
+
+ $disk_quota = 1024 * $disk_quota; # convert from MB to kB
+
+ my $headertext = &mt('Directory');
+ if ($crsauthor) {
+ $headertext = &mt('Course Authoring Directory');
+ }
+ $r->print(&Apache::loncommon::head_subbox(
+ '<div style="float:right;padding-top:0;margin-top;0">'
+ .&Apache::lonhtmlcommon::display_usage($current_disk_usage,
+ $disk_quota,'authoring')
+ .'</div>'
+ .&Apache::loncommon::CSTR_pageheader('','',$headertext)));
+
+ my $esc_thisdisfn = &Apache::loncommon::escape_single($thisdisfn);
+ my $doctitle = 'LON-CAPA '.&mt($title);
+ my $newname = &mt('New Name');
+ my $pubdirscript=(<<ENDPUBDIRSCRIPT);
+<script type="text/javascript">
+top.document.title = '$esc_thisdisfn/ - $doctitle';
+// Store directory location for menu bar to find
+
+parent.lastknownpriv='/priv$esc_thisdisfn/';
+
+// Confirmation dialogues
+
+ function checkUpload(theform) {
+ if (theform.file == '') {
+ alert("Please use 'Browse..' to choose a file first, before uploading")
+ return
+ }
+ theform.submit()
+ }
+
+ function SetPubDir(theform,printForm) {
+ if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
+ top.location = theform.openname.value
+ return
+ }
+ if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
+ theform.submit();
+ }
+ if (theform.diraction.options[theform.diraction.selectedIndex].value == "editmeta") {
+ top.location=theform.filename.value+'default.meta'
+ }
+ if (theform.diraction.options[theform.diraction.selectedIndex].value == "printdir") {
+ theform.action = '/adm/printout'
+ theform.postdata.value = theform.filename.value
+ theform.submit()
+ }
+ if (theform.diraction.options[theform.diraction.selectedIndex].value == "delete") {
+ var delform = document.delresource
+ delform.filename.value = theform.filename.value
+ delform.submit()
+ }
+ return
+ }
+ function SetResChoice(theform) {
+ var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
+ if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
+ changename(theform,activity)
+ }
+ if (activity == 'publish') {
+ var pubform = document.pubresource
+ pubform.filename.value = theform.filename.value
+ pubform.submit()
+ }
+ if (activity == 'delete') {
+ var delform = document.delresource
+ delform.filename.value = theform.filename.value
+ delform.submit()
+ }
+ if (activity == 'obsolete') {
+ var pubform = document.pubresource
+ pubform.filename.value = theform.filename.value
+ pubform.makeobsolete.value=1;
+ pubform.submit()
+ }
+ if (activity == 'print') {
+ document.printresource.postdata.value = theform.filename.value
+ document.printresource.submit()
+ }
+ if (activity == 'retrieve') {
+ document.retrieveres.filename.value = theform.filename.value
+ document.retrieveres.submit()
+ }
+ if (activity == 'cleanup') {
+ document.cleanup.filename.value = theform.filename.value
+ document.cleanup.submit()
+ }
+ return
+ }
+ function changename(theform,activity) {
+ var oldname=theform.dispfilename.value;
+ var newname=prompt('$newname',oldname);
+ if (newname == "" || !newname || newname == oldname) {
+ return
+ }
+ document.moveresource.newfilename.value = newname
+ document.moveresource.filename.value = theform.filename.value
+ document.moveresource.action.value = activity
+ document.moveresource.submit();
+ }
+</script>
+ENDPUBDIRSCRIPT
+ $r->print($pubdirscript);
+}
- $r->content_type('text/html');
- $r->send_http_header;
+sub dircontrols {
+ my ($r,$uname,$udom,$thisdisfn,$current_disk_usage,$disk_quota,$crsauthor) = @_;
+ my %lt=&Apache::lonlocal::texthash(
+ cnpd => 'Cannot publish directory',
+ cnrd => 'Cannot retrieve directory',
+ mcdi => 'Must create new subdirectory inside a directory',
+ pubr => 'Publish this Resource',
+ rtrv => 'Retrieve Old Version',
+ list => 'List Directory',
+ uplo => 'Upload file',
+ dele => 'Delete',
+ sela => 'Select Action',
+ nfil => 'New file',
+ nhtm => 'New HTML file',
+ nprb => 'New problem',
+ npag => 'New assembled page',
+ nseq => 'New assembled sequence',
+ ncrf => 'New custom rights file',
+ nsty => 'New style file',
+ nlib => 'New library file',
+ nbt => 'New bridgetask file',
+ nsub => 'New subdirectory',
+ renm => 'Rename current file to',
+ move => 'Move current file to',
+ copy => 'Copy current file to',
+ type => 'Type Name Here',
+ go => 'Go',
+ crea => 'Create a new subdirectory or document',
+ qs => 'Quick name search',
+ cs => 'Case Sensitive',
+ re => 'Regular Expression',
+ updc => 'Upload a new document',
+ pick => 'Please select an action to perform using the new filename',
+ shcu => 'Shortcuts',
+ );
+ my %js_lt = &Apache::lonlocal::texthash(
+ nanf => 'Name of New File',
+ nans => 'Name of New Subdirectory',
+ psfn => 'Please specify file name',
+ );
+ &js_escape(\%js_lt);
+ my $mytype = $lt{'type'}; # avoid conflict with " and ' in javascript
+ # Calculate free space in bytes.
+ # $disk_quota is in MB and $current_disk_usage is in kB
+ my $free_space = 1024 * ((1024 * $disk_quota) - $current_disk_usage);
+ $r->printf(<<END,&Apache::loncommon::help_open_topic('Quicksearch'));
+<div class="LC_columnSection">
+ <div>
+ <fieldset style="display:inline">
+ <legend>$lt{'qs'}</legend>
+ <script type="text/javascript" src="/adm/quicksearch/quicksearch.js"></script>
+ <input type="text" id="quickfilter" placeholder="Enter search term" onkeyup="applyFilter()"/>
+ <input type="button" value="Clear" onclick="document.getElementById(\'quickfilter\').value=\'\'; applyFilter()" />
+ %s
+ <br />
+ <label><input type="checkbox" id="casesens" onchange="applyFilter()"/>$lt{'cs'} </label>
+ <label><input type="checkbox" id="regex" onchange="applyFilter()"/>$lt{'re'} </label>
+ </fieldset>
+ </div>
+END
+ my %fileoptions = (
+ none => "$lt{'sela'}:",
+ newfile => "$lt{'nfil'}:",
+ newhtmlfile => "$lt{'nhtm'}:",
+ newproblemfile => "$lt{'nprb'}:",
+ newdir => "$lt{'nsub'}:",
+ );
+ $fileoptions{'select_form_order'} = ['none','newfile','newhtmlfile','newproblemfile'];
+ if ($crsauthor) {
+ push(@{$fileoptions{'select_form_order'}},'newdir');
+ } else {
+ my %extraoptions = (
+ newpagefile => "$lt{'npag'}:",
+ newsequencefile => "$lt{'nseq'}:",
+ newrightsfile => "$lt{'ncrf'}:",
+ newstyfile => "$lt{'nsty'}:",
+ newtaskfile => "$lt{'nbt'}:",
+ newlibraryfile => "$lt{'nlib'}:",
+ );
+ %fileoptions = (%fileoptions,%extraoptions);
+ push(@{$fileoptions{'select_form_order'}},('newpagefile','newsequencefile',
+ 'newrightsfile','newstyfile',
+ 'newtaskfile','newlibraryfile',
+ 'newdir'));
+ }
+ my $selectbox = &Apache::loncommon::select_form('none','action',\%fileoptions);
+ $r->print(<<END);
+ <div style="padding-bottom: 2px">
+ <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload">
+ <fieldset>
+ <legend>$lt{'updc'}</legend>
+ <input type="hidden" name="filename" value="/priv$thisdisfn/" />
+ <input type="file" name="upfile" class="LC_flUpload" />
+ <input type="hidden" id="LC_free_space" value="$free_space" />
+ <input type="button" value="$lt{'uplo'}" onclick="checkUpload(this.form)" />
+ </fieldset>
+ </form>
+ </div>
+
+ <div>
+ <form name="fileaction" method="post" action="/adm/cfile">
+ <fieldset>
+ <legend>$lt{'crea'}</legend>
+ <span class="LC_nobreak">
+ <input type="hidden" name="filename" value="/priv$thisdisfn/" />
+ <script type="text/javascript">
+ function validate_go() {
+ var selected = document.fileaction.action.selectedIndex;
+ if (selected == 0) {
+ alert('$lt{'pick'}');
+ } else {
+ document.fileaction.submit();
+ }
+ }
+ </script>
+ $selectbox <input type="text" id="newnameid" name="newfilename" placeholder="$lt{'type'}" value="" onfocus="if (this.value == is.empty()) this.value=''" /> <input type="button" value="Go" onclick="validate_go();" />
+ <br />
+ <span>$lt{'shcu'}:
+ <input type="hidden" name="mode"/>
+ <a href="javascript:void(0)" onclick="javascript:validate_action('blank')">
+ <img src="/adm/lonIcons/unknown.gif" title="Create blank problem file" alt="file icon" /></a>
+ <a href="javascript:void(0)" onclick="javascript:validate_action('problemtempl')">
+ <img src="/adm/lonIcons/problem.gif" title="Create new problem from template" alt="problem icon" /></a>
+ <a href="javascript:void(0)" onclick="javascript:validate_action('blankhtml')">
+ <img src="/adm/lonIcons/html.gif" title="Create new blank HTML file" alt="web page icon" /></a>
+ <a href="javascript:void(0)" onclick="javascript:validate_action('folder')">
+ <img src="/adm/lonIcons/navmap.folder.closed.gif" title="Create new subdirectory" alt="folder icon" /></a>
+ </span>
+ <script type="text/javascript">
+ function validate_action(action){
+ if (document.getElementById('newnameid')) {
+ if (document.getElementById('newnameid').value == '') {
+ var newname;
+ var prompttext = "$js_lt{'nanf'}";
+ if (action == 'folder') {
+ prompttext = "$js_lt{'nans'}";
+ }
+ newname=prompt(prompttext);
+ if (newname != '') {
+ document.getElementById('newnameid').value = newname;
+ }
+ }
+ if (document.getElementById('newnameid').value != '') {
+ if (action == 'blank') {
+ document.fileaction.action.value='newproblemfile';
+ document.fileaction.mode.value='blank';
+ } else if (action == 'problemtempl') {
+ document.fileaction.action.value='newproblemfile';
+ validate_go();
+ } else if (action == 'blankhtml') {
+ document.fileaction.action.value='newhtmlfile';
+ validate_go();
+ } else if (action == 'folder') {
+ document.fileaction.action.value='newdir';
+ document.fileaction.mode.value='folder';
+ }
+ fileaction.submit();
+ } else {
+ alert("$js_lt{'psfn'}");
+ }
+ }
+ }
+ </script>
+ </span>
+ </fieldset>
+ </form>
+ </div>
+</div>
+END
+}
- $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
+sub resourceactions {
+ my ($r,$uname,$udom,$thisdisfn) = @_;
+ $r->print(<<END);
+ <form name="moveresource" action="/adm/cfile" method="post">
+ <input type="hidden" name="filename" value="" />
+ <input type="hidden" name="newfilename" value="" />
+ <input type="hidden" name="action" value="" />
+ </form>
+ <form name="delresource" action="/adm/cfile" method="post">
+ <input type="hidden" name="filename" value="" />
+ <input type="hidden" name="action" value="delete" />
+ </form>
+ <form name="pubresource" action="/adm/publish" method="post">
+ <input type="hidden" name="filename" value="" />
+ <input type="hidden" name="makeobsolete" value="0" />
+ </form>
+ <form name="printresource" action="/adm/printout" method="post">
+ <input type="hidden" name="postdata" value="" />
+ </form>
+ <form name="retrieveres" action="/adm/retrieve" method="post">
+ <input type="hidden" name="filename" value="" />
+ </form>
+ <form name="cleanup" action="/adm/cleanup" method="post">
+ <input type="hidden" name="filename" value="" />
+ </form>
+END
+}
- $r->print(
- '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
+#
+# Get the title string or "[untitled]" if the file has no title metadata:
+# Without the latter substitution, it's impossible to examine metadata for
+# untitled resources. Resources may be legitimately untitled, to prevent
+# searches from locating them.
+#
+# $str = getTitleString($fullname);
+# $fullname - Fully qualified filename to check.
+#
+sub getTitleString {
+ my $fullname = shift;
+ my $title = &Apache::lonnet::metadata($fullname, 'title');
+
+ unless ($title) {
+ $title = "[".&mt('untitled')."]";
+ }
+ return $title;
+}
- my $thisdisfn=$fn;
- $thisdisfn=~s/^\/home\/$uname\/public_html//;
-
- $r->print('<h1>Construction Space Directory <tt>'.$thisdisfn.'/</tt></h1>');
-
- if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
- $r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.
- '</font></h3>');
- }
-
-
- my $docroot=$r->dir_config('lonDocRoot');
-
- my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn;
- my $linkdir='/~'.$uname.$thisdisfn;
-
- $r->print('<table border=2>'.
- '<tr><th>Filename</th><th>Modified</th><th>Status</th></tr>');
-
- my $filename;
- my $dirptr=16384;
-
- opendir(DIR,$fn);
- while ($filename=readdir(DIR)) {
- my ($cdev,$cino,$cmode,$cnlink,
- $cuid,$cgid,$crdev,$csize,
- $catime,$cmtime,$cctime,
- $cblksize,$cblocks)=stat($fn.'/'.$filename);
- $filename=~/\.(\w+)$/;
- if (($1 ne 'meta') && (&Apache::lonnet::fileembstyle($1))) {
- my $status='Unpublished';
- my $bgcol='#FFBBBB';
- if (-e $resdir.'/'.$filename) {
- my ($rdev,$rino,$rmode,$rnlink,
- $ruid,$rgid,$rrdev,$rsize,
- $ratime,$rmtime,$rctime,
- $rblksize,$rblocks)=stat($resdir.'/'.$filename);
- if ($rmtime>=$cmtime) {
- $status='Published';
- $bgcol='#BBFFBB';
+sub getCopyRightString {
+ my $fullname = shift;
+ return &Apache::lonnet::metadata($fullname, 'copyright');
+}
+
+sub getSourceRightString {
+ my $fullname = shift;
+ return &Apache::lonnet::metadata($fullname, 'sourceavail');
+}
+#
+# Put out a directory table row:
+# putdirectory(r, base, here, dirname, modtime, targetdir, bombs, numdir)
+# r - Apache request object.
+# reqfile - File in request.
+# here - Where we are in directory tree.
+# dirname - Name of directory special file.
+# modtime - Encoded modification time.
+# targetdir - Publication target directory.
+# bombs - Reference to hash of URLs with runtime error messages.
+# numdir - Reference to scalar used to track number of sub-directories
+# in directory (used in form name for each "actions" dropdown).
+#
+sub putdirectory {
+ my ($r, $reqfile, $here, $dirname, $modtime, $targetdir, $bombs, $numdir) = @_;
+
+# construct the display filename: the directory name unless ..:
+
+ my $actionitem;
+
+ my $disfilename = $dirname;
+# Don't display directory itself, and there is no way up from root directory
+ unless ((($dirname eq '..') && ($reqfile=~/^\/[^\/]+\/[^\/]+$/)) || ($dirname eq '.')) {
+ my $kaputt=0;
+ if (ref($bombs) eq 'HASH') {
+ foreach my $key (keys(%{$bombs})) {
+ my $currentdir = &Apache::lonnet::declutter("$targetdir/$disfilename");
+ if (($key) =~ m{^\Q$currentdir\E/}) { $kaputt=1; last; }
+ }
+ }
+#
+# Get the metadata from that directory's default.meta to display titles
+#
+ %Apache::lonpublisher::metadatafields=();
+ %Apache::lonpublisher::metadatakeys=();
+ &Apache::lonpublisher::metaeval(
+ &Apache::lonnet::getfile($r->dir_config('lonDocRoot').$here.'/'.$dirname.'/default.meta')
+ );
+ if ($dirname eq '..') {
+ $actionitem = &mt('Go to ...');
+ $disfilename = '<i>'.&mt('Parent Directory').'</i>';
+ } else {
+ $actionitem =
+ '<form name="dirselect_'.$$numdir.
+ '" action="/adm/publish">'.
+ '<select name="diraction" onchange="SetPubDir(this.form,document)">'.
+ '<option selected="selected">'.&mt('Select action').'</option>'.
+ '<option value="open">'.&mt('Open').'</option>'.
+ '<option value="publish">'.&mt('Publish').'</option>'.
+ '<option value="editmeta">'.&mt('Edit Metadata').'</option>'.
+ '<option value="printdir">'.&mt('Print directory').'</option>'.
+ '<option value="delete">'.&mt('Delete directory').'</option>'.
+ '</select>'.
+ '<input type="hidden" name="filename" value="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/" />'.
+ '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
+ '<input type="hidden" name="postdata" value="" />'.
+ '</form>';
+ $$numdir ++;
+ }
+ $r->print('<tr class="LC_browser_folder">'.
+ '<td><img src="'.
+ $Apache::lonnet::perlvar{'lonIconsURL'}.'/navmap.folder.closed.gif" alt="folder" /></td>'.
+ '<td>'.$actionitem.'</td>'.
+ '<td><span class="LC_filename"><a href="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/">'.
+ $disfilename.'</a></span></td>'.
+ '<td colspan="3">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($targetdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'});
+ if ($Apache::lonpublisher::metadatafields{'subject'} ne '') {
+ $r->print(' <i>'.
+ $Apache::lonpublisher::metadatafields{'subject'}.
+ '</i> ');
+ }
+ $r->print($Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
+ '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
+ '<td></td>'.
+ "</tr>\n");
+ }
+ return;
+}
+
+sub getTitle {
+ my ($resdir, $targetdir, $filename, $linkfilename, $meta_same, $bombs) = @_;
+ my $title='';
+ my $titleString = &getTitleString($targetdir.'/'.$filename);
+ if (-e $resdir.'/'.$filename) {
+ $title = '<a href="'.$targetdir.'/'.$filename.
+ '.meta" target="cat">'.$titleString.'</a>';
+ if (!$meta_same) {
+ $title = &mt('Metadata Modified').'<br />'.$title.
+ '<br />'.
+ &Apache::loncommon::modal_link(
+ '/adm/diff?filename='.$linkfilename.'.meta'.'&versiontwo=priv',
+ &mt('Metadata Diffs'),600,500);
+ $title.="\n".'<br />'.
+ &Apache::loncommon::modal_link(
+ '/adm/retrieve?filename='.$linkfilename.'.meta&inhibitmenu=yes&add_modal=yes',
+ &mt('Retrieve Metadata'),600,500);
+ }
+ }
+ # Allow editing metadata of published and unpublished resources
+ $title .= "\n".'<br />' if ($title);
+ $title .= '<a href="'.$linkfilename.'.meta">'.
+ ($$bombs{&Apache::lonnet::declutter($targetdir.'/'.$filename)}?
+ '<img src="/adm/lonMisc/bomb.gif" border="0" alt="'.&mt('bomb').'" />':
+ &mt('Edit Metadata')).
+ '</a>';
+
+ return ($title, $titleString);
+}
+
+
+sub isMetaSame {
+ my ($cstr_dir, $resdir, $filename) = @_;
+ my $meta_cmtime = (stat($cstr_dir.'/'.$filename.'.meta'))[9];
+ my $meta_rmtime = (stat($resdir.'/'.$filename.'.meta'))[9];
+ return (&Apache::londiff::are_different_files($resdir.'/'.$filename.'.meta',
+ $cstr_dir.'/'.$filename.'.meta') && $meta_rmtime < $meta_cmtime)
+ ? 0 : 1;
+}
+
+sub getStatus {
+ my ($resdir, $targetdir, $cstr_dir, $filename,
+ $linkfilename, $crsauthor, $cmtime, $meta_same) = @_;
+ my $pubstatus = 'unpublished';
+ my $status = &mt('Unpublished');
+
+ if (-e $resdir.'/'.$filename) {
+ my $same = 0;
+ if ((stat($resdir.'/'.$filename))[9] >= $cmtime) {
+ $same = 1;
+ } else {
+ if (&Apache::londiff::are_different_files($resdir.'/'.$filename,
+ $cstr_dir.'/'.$filename)) {
+ $same = 0;
+ } else {
+ $same = 1;
+ }
+ }
+
+ my $rights_status =
+ &mt(&getCopyRightString($targetdir.'/'.$filename)).', ';
+
+ my %lt_SourceRight = &Apache::lonlocal::texthash(
+ 'open' => 'Source: open',
+ 'closed' => 'Source: closed',
+ );
+ $rights_status .=
+ $lt_SourceRight{&getSourceRightString($targetdir.'/'.$filename)};
+ if (($crsauthor) && ($filename =~ /\.rights$/)) {
+ $rights_status =~ s/,\s+$//;
+ }
+ if ($same) {
+ if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
+ $pubstatus = 'obsolete';
+ $status=&mt('Obsolete');
} else {
- $status='Modified';
- $bgcol='#FFFFBB';
- if
- (&Apache::lonnet::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
- $status.='<br><a href="/adm/diff?filename='.$filename.
- '&versionone=priv" target=cat>Diffs</a>';
+ if (!$meta_same) {
+ $pubstatus = 'metamodified';
+ } else {
+ $pubstatus = 'published';
+ }
+ $status=&mt('Published').
+ '<br />'. $rights_status;
+ }
+ } else {
+ $pubstatus = 'modified';
+ $status=&mt('Modified').
+ '<br />'. $rights_status;
+ unless (($crsauthor) && ($filename =~ /\.rights$/)) {
+ if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
+ $status.='<br />'.
+ &Apache::loncommon::modal_link(
+ '/adm/diff?filename='.$linkfilename.'&versiontwo=priv',
+ &mt('Diffs'),600,500);
}
- }
- }
- $r->print('<tr bgcolor='.$bgcol.
- '><td><a href="'.$linkdir.'/'.$filename.'">'.$filename.
- '</a></td><td>'.localtime($cmtime).'</td><td>'.$status.'</td></tr>');
- } elsif ($cmode&$dirptr) {
- my $disfilename=$filename;
- if ($filename eq '..') {
- $disfilename='<i>Parent Directory</i>';
- }
- unless ((($filename eq '..') && ($thisdisfn eq '')) ||
- ($filename eq '.')) {
- $r->print('<tr bgcolor=#BBBBFF'.
- '><td><a href="'.$linkdir.'/'.$filename.'">'.$disfilename.
- '</a></td><td>'.localtime($cmtime).'</td><td> </td></tr>');
- }
- }
- }
- closedir(DIR);
+ }
+ }
+
+ unless (($crsauthor) && ($filename =~ /\.rights$/)) {
+ $status.="\n".'<br />'.
+ &Apache::loncommon::modal_link(
+ '/adm/retrieve?filename='.$linkfilename.'&inhibitmenu=yes&add_modal=yes',&mt('Retrieve'),600,500);
+ }
+ }
- $r->print('</table></body></html>');
- return OK;
+ return ($status, $pubstatus);
+}
+
+
+#
+# Put a table row for a file resource.
+#
+sub putresource {
+ my ($r, $udom, $uname, $filename, $thisdisfn, $resdir,
+ $targetdir, $linkdir, $crsauthor, $cmtime, $size,
+ $numres, $linkfilename, $title, $status, $pubstatus) = @_;
+ &Apache::lonnet::devalidate_cache_new('meta',$targetdir.'/'.$filename);
+
+ my $editlink='';
+ my $editlink2='';
+ if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
+ $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?editmode=Edit&problemmode=edit">'.&mt('Edit').'</a>)';
+ }
+ if ($filename=~/$LONCAPA::assess_re/) {
+ $editlink=' (<a href="'.$linkdir.'/'.$filename.'?editmode=Edit&problemmode=editxml">'.&mt('EditXML').'</a>)';
+ $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?editmode=Edit&problemmode=edit">'.&mt('Edit').'</a>)';
+ }
+ if ($filename=~/\.(xml|html|htm|xhtml|xhtm)$/ || $filename=~/$LONCAPA::assess_re/) {
+ if ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9) {
+ my $daxeurl = '/daxepage'.$linkdir.'/'.$filename;
+ $editlink .= ' (<a href="'.$daxeurl.'" target="_blank">Daxe</a>)';
+ }
+ }
+ if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm|sty)$/) {
+ $editlink.=' (<a href="/adm/cleanup?filename='.$linkfilename.'">'.&mt('Clean Up').')</a>';
+ }
+ if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
+ $editlink=' (<a href="/adm/cfile?decompress='.$linkfilename.'">'.&mt('Decompress').'</a>)';
+ }
+ my $publish_button = (-e $resdir.'/'.$filename) ? &mt('Re-publish') : &mt('Publish');
+ my $pub_select = '';
+ unless (($crsauthor) && ($filename=~ /\.rights$/)) {
+ &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
+ }
+ $r->print(&Apache::loncommon::start_data_table_row().
+ '<td>'.($filename=~/[\#\~]$/?' ':
+ '<img src="'.&Apache::loncommon::icon($filename).'" alt="" />').'</td>'.
+ '<td>'.$pub_select.'</td>'.
+ '<td><span class="LC_filename">'.
+ '<a href="'.$linkdir.'/'.$filename.'">'.
+ $filename.'</a></span>'.$editlink2.$editlink.
+ '</td>'.
+ '<td>'.$title.'</td>'.
+ '<td class="LC_browser_file_'.$pubstatus.'"> </td>'. # Display publication status
+ '<td>'.$status.'</td>'.
+ '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
+ '<td>'.sprintf("%.1f",$size).'</td>'.
+ &Apache::loncommon::end_data_table_row()
+ );
+ return;
}
+sub create_pubselect {
+ my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
+ $$pub_select = '
+<form name="resselect_'.$$numres.'" action="">
+<select name="reschoice" onchange="SetResChoice(this.form)">
+<option>'.&mt('Select action').'</option>'.
+'<option value="copy">'.&mt('Copy').'</option>';
+ if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
+ $$pub_select .=
+'<option value="rename">'.&mt('Rename').'</option>'.
+'<option value="move">'.&mt('Move').'</option>'.
+'<option value="delete">'.&mt('Delete').'</option>';
+ } else {
+ $$pub_select .= '
+<option value="obsolete">'.&mt('Mark obsolete').'</option>';
+ }
+# check for versions
+ my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
+ if ($versions > 0) {
+ $$pub_select .='
+<option value="retrieve">'.&mt('Retrieve old version').'</option>';
+ }
+ $$pub_select .= '
+<option value="publish">'.$publish_button.'</option>'.
+'<option value="cleanup">'.&mt('Clean up').'</option>'.
+'<option value="print">'.&mt('Print').'</option>'.
+'</select>
+<input type="hidden" name="filename" value="/priv'.
+ &HTML::Entities::encode($thisdisfn.'/'.$filename,'<>&"').'" />
+ <input type="hidden" name="dispfilename" value="'.
+ &HTML::Entities::encode($filename).'" /></form>';
+ $$numres ++;
+}
+
+sub check_for_versions {
+ my ($r,$fn,$udom,$uname) = @_;
+ my $versions = 0;
+ my $docroot=$r->dir_config('lonDocRoot');
+ my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
+ my $resdir=$resfn;
+ $resdir=~s/\/[^\/]+$/\//;
+ $fn=~/\/([^\/]+)\.(\w+)$/;
+ my $main=$1;
+ my $suffix=$2;
+ opendir(DIR,$resdir);
+ while (my $filename=readdir(DIR)) {
+ if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
+ $versions ++;
+ }
+ }
+ closedir(DIR);
+ return $versions;
+}
+
+sub prepareJsonTranslations {
+ my $json =
+ '{"translations":{'.
+ '"edit":"'.&mt('Edit').'",'.
+ '"editxml":"'.&mt('EditXML').'",'.
+ '"editmeta":"'.&mt('Edit Metadata').'",'.
+ '"obsolete":"'.&mt('Obsolete').'",'.
+ '"modified":"'.&mt('Modified').'",'.
+ '"published":"'.&mt('Published').'",'.
+ '"unpublished":"'.&mt('Unpublished').'",'.
+ '"diff":"'.&mt('Diff').'",'.
+ '"retrieve":"'.&mt('Retrieve').'",'.
+ '"directory":"'.&mt('Directory').'",'.
+ '"results":"'.&mt('Show results for keyword:').'"'.
+ '}}';
+}
+
+# gathers all files in the working directory except the ones that are already on screen
+sub prepareJsonData {
+ my ($uname, $udom, $pathToSkip) = @_;
+ my $path = "/home/httpd/html/priv/$udom/$uname/";
+
+ # maximum number of entries, to limit workload and required storage space
+ my $entries = 100;
+ my $firstfile = 1;
+ my $firstdir = 1;
+
+ my $json = '{"resources":[';
+ $json .= &prepareJsonData_rec($path, \$entries, \$firstfile, \$firstdir, $pathToSkip);
+ $json .= ']}';
+
+ # if the json string is invalid the whole search breaks.
+ # so we want to make sure that the string is valid in any case.
+ $json =~ s/,\s*,/,/g;
+ $json =~ s/\}\s*\{/\},\{/g;
+ $json =~ s/\}\s*,\s*\]/\}\]/g;
+ return $json;
+}
+
+# recursive part of json file gathering
+sub prepareJsonData_rec {
+ my ($path, $entries, $firstfile, $firstdir, $pathToSkip) = @_;
+ my $json;
+ my $skipThisFolder = $path =~ m/$pathToSkip\/$/?1:0;
+
+ my @dirs;
+ my @resources;
+ my @ignored = qw(bak log meta save . ..);
+
+# Phase 1: Gathering
+ opendir(DIR,$path);
+ my @files=sort {uc($a) cmp uc($b)} (readdir(DIR));
+ foreach my $filename (@files) {
+ next if ($filename eq '.DS_Store');
+
+ # gather all resources
+ if ($filename !~ /\./) {
+ # its a folder
+ push(@dirs, $filename);
+ } else {
+ # only push files we dont want to ignore
+ next if ($skipThisFolder);
+
+ $filename =~ /\.(\w+?)$/;
+ unless (grep /$1/, @ignored) {
+ push(@resources, $filename);
+ }
+ }
+ }
+ closedir(DIR);
+ # nothing to do here if both lists are empty
+ return unless ( @dirs || @resources );
+
+# Phase 2: Working
+ $$firstfile = 1;
+
+ foreach (@dirs) {
+ $json .= '{"name":"'.$_.'",'.
+ '"path":"'.$path.$_.'",'.
+ '"title":"",'.
+ '"status":"",'.
+ '"cmtime":""},';
+ }
+
+ foreach (@resources) {
+ last if ($$entries < 1);
+ my $title = &getTitleString($path.$_);
+
+ my $privpath = $path.$_;
+ my $respath = $privpath;
+ $respath =~ s/httpd\/html\/priv\//httpd\/html\/res\//;
+
+ my $cmtime = (stat($privpath))[9];
+ my $rmtime = (stat($respath))[9];
+
+ unless ($$firstfile) { $json .= ','; } else { $$firstfile = 0; }
+
+ my $status = 'unpublished';
+
+ # if a resource is published, the published version (/html/res/filepath) gets its own modification time
+ # this is newer or equal then the version in your authoring space (/html/priv/filepath)
+ if ($rmtime >= $cmtime) {
+ # obsolete
+ if (&Apache::lonnet::metadata($respath, 'obsolete')) {
+ $status = 'obsolete';
+ }else{
+ $status = 'published';
+ }
+ } else {
+ $status = 'modified';
+ }
+
+ $json .= '{"name":"'.$_.'",'.
+ '"path":"'.$path.'",'.
+ '"title":"'.$title.'",'.
+ '"status":"'.$status.'",'.
+ '"cmtime":"'.&Apache::lonlocal::locallocaltime($cmtime).'"}';
+ $$entries--;
+ }
+
+ foreach(@dirs) {
+ next if ($$entries < 1);
+ $json .= ',';
+ $json .= &prepareJsonData_rec
+ ($path.$_.'/', $entries, $firstfile, $firstdir, $pathToSkip);
+ }
+ return $json;
+}
1;
__END__
+
+
+=head1 NAME
+
+Apache::lonpubdir - Authoring space directory lister
+
+=head1 SYNOPSIS
+
+Invoked (for various locations) by /etc/httpd/conf/srm.conf:
+
+ <LocationMatch "^/+priv.*/$">
+ PerlAccessHandler Apache::loncacc
+ SetHandler perl-script
+ PerlHandler Apache::lonpubdir
+ ErrorDocument 403 /adm/login
+ ErrorDocument 404 /adm/notfound.html
+ ErrorDocument 406 /adm/unauthorized.html
+ ErrorDocument 500 /adm/errorhandler
+ </LocationMatch>
+
+ <Location /adm/pubdir>
+ PerlAccessHandler Apache::lonacc
+ SetHandler perl-script
+ PerlHandler Apache::lonpubdir
+ ErrorDocument 403 /adm/login
+ ErrorDocument 404 /adm/notfound.html
+ ErrorDocument 406 /adm/unauthorized.html
+ ErrorDocument 500 /adm/errorhandler
+ </Location>
+
+=head1 INTRODUCTION
+
+This module publishes a directory of files.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 HANDLER SUBROUTINE
+
+This routine is called by Apache and mod_perl.
+
+=over 4
+
+=item *
+
+read in information
+
+=item *
+
+start page output
+
+=item *
+
+run through list of files and attempt to publish unhidden files
+
+=back
+
+=head1 SUBROUTINES:
+
+=over
+
+=item startpage($r, $uame, $udom, $thisdisfn)
+
+Output the header of the page. This includes:
+ - The HTML header
+ - The H1/H3 stuff which includes the directory.
+
+ startpage($r, $uame, $udom, $thisdisfn);
+ $r - The apache request object.
+ $uname - User name.
+ $udom - Domain name the user is logged in under.
+ $thisdisfn - Displayable version of the filename.
+
+=item getTitleString($fullname)
+
+ Get the title string or "[untitled]" if the file has no title metadata:
+ Without the latter substitution, it's impossible to examine metadata for
+ untitled resources. Resources may be legitimately untitled, to prevent
+ searches from locating them.
+
+ $str = getTitleString($fullname);
+ $fullname - Fully qualified filename to check.
+
+=item putdirectory($r, $base, $here, $dirname, $modtime, $targetdir, $bombs,
+ $numdir)
+
+ Put out a directory table row:
+
+ $r - Apache request object.
+ $reqfile - File in request.
+ $here - Where we are in directory tree.
+ $dirname - Name of directory special file.
+ $modtime - Encoded modification time.
+ targetdir - Publication target directory.
+ bombs - Reference to hash of URLs with runtime error messages.
+ numdir - Reference to scalar used to track number of sub-directories
+ in directory (used in form name for each "actions" dropdown).
+
+=back
+
+=cut