# The LearningOnline Network with CAPA
#
# (Publication Handler
#
# (TeX Content Handler
#
# 05/29/00,05/30,10/11 Gerd Kortemeyer)
#
# 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)
#
# 03/31,04/03,05/09,06/23,08/18,08/20 Gerd Kortemeyer
package Apache::lonpubdir;
use strict;
use Apache::File;
use File::Copy;
use Apache::Constants qw(:common :http :methods);
use Apache::loncacc;
use Apache::lonnet;
sub handler {
my $r=shift;
my $fn;
if ($ENV{'form.filename'}) {
$fn=$ENV{'form.filename'};
$fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
$fn=~s/\/[^\/]+$//;
} else {
$fn=$r->filename();
}
my $uname;
my $udom;
($uname,$udom)=
&Apache::loncacc::constructaccess(
$fn,$r->dir_config('lonDefDomain'));
unless (($uname) && ($udom)) {
$r->log_reason($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;
}
# ----------------------------------------------------------- Start page output
$r->content_type('text/html');
$r->send_http_header;
$r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
$r->print(
'<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
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><th> </th></tr>');
my $filename;
my $dirptr=16384;
opendir(DIR,$fn);
my @files=sort(readdir(DIR));
foreach my $filename (@files) {
my ($cdev,$cino,$cmode,$cnlink,
$cuid,$cgid,$crdev,$csize,
$catime,$cmtime,$cctime,
$cblksize,$cblocks)=stat($fn.'/'.$filename);
my $extension='';
if ($filename=~/\.(\w+)$/) { $extension=$1; }
if (($extension ne 'meta') &&
(&Apache::lonnet::fileembstyle($extension))) {
my $status='Unpublished';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';
} else {
$status='Modified';
$bgcol='#FFFFBB';
if
(&Apache::lonnet::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
$status.='<br><a href="/adm/diff?filename=/~'.$uname.
$thisdisfn.'/'.$filename.
'&versionone=priv" target=cat>Diffs</a>';
}
}
$status.='<br><a href="/adm/retrieve?filename=/~'.$uname.
$thisdisfn.'/'.$filename.'" target=cat>Retrieve</a>';
}
$r->print('<tr bgcolor='.$bgcol.
'><td><a href="'.$linkdir.'/'.$filename.'">'.$filename.
'</a></td><td>'.localtime($cmtime).'</td><td>'.$status.'</td>'.
'<td><a target="_parent" href="/adm/publish?filename=/~'.$uname.
$thisdisfn.'/'.$filename.'">'.
'Publish</a></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><td> </td></tr>'
);
}
} else {
#no extension that we know of and not a directory
#just hide it away
}
}
closedir(DIR);
$r->print('</table></body></html>');
return OK;
}
1;
__END__
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