# The LearningOnline Network with CAPA
# (Publication Handler
#
# $Id: lonpubdir.pm,v 1.16 2001/12/04 15:34:57 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# 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/
#
#
# (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('LON-CAPA Construction Space');
$r->print(
'
');
my $thisdisfn=$fn;
$thisdisfn=~s/^\/home\/$uname\/public_html//;
$r->print('Construction Space Directory '.$thisdisfn.'/
');
if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
$r->print('Co-Author: '.$uname.' at '.$udom.
'
');
}
my $docroot=$r->dir_config('lonDocRoot');
my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn;
my $linkdir='/~'.$uname.$thisdisfn;
$r->print(''.
'| Filename | Modified | Status | |
|---|
');
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=$1; }
if ($cmode&$dirptr) {
my $disfilename=$filename;
if ($filename eq '..') {
$disfilename='Parent Directory';
}
unless ((($filename eq '..') && ($thisdisfn eq '')) ||
($filename eq '.')) {
$r->print('| '.$disfilename.
' | '.localtime($cmtime).' | | |
'
);
}
} elsif (&Apache::lonnet::fileembstyle($extension) ne 'hdn') {
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.='
Diffs';
}
}
$status.='
Retrieve';
}
$r->print('| '.$filename.
' | '.localtime($cmtime).' | '.$status.' | '.
''.
'Publish |
');
} else {
# "hidden" extension and not a directory, so hide it away.
}
}
closedir(DIR);
$r->print('
');
return OK;
}
1;
__END__