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File:  [LON-CAPA] / loncom / publisher / lonpubdir.pm
Revision 1.3: download - view: text, annotated - select for diffs
Tue Apr 3 14:52:23 2001 UTC (23 years, 1 month ago) by www
Branches: MAIN
CVS tags: HEAD
Better handling of parent directory

# 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 Gerd Kortemeyer

package Apache::lonpubdir;

use strict;
use Apache::File;
use File::Copy;
use Apache::Constants qw(:common :http :methods);


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();
  }
     
  $fn=~s/\/$//;

  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

  my $uname=$ENV{'user.name'};
  my $udom=$ENV{'user.domain'};

  $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>');

  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         my $status='Unpublished';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';
            } else {
                $status='Modified';
                $bgcol='#FFFFBB';
            }   
	 }
         $r->print('<tr bgcolor='.$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>&nbsp;</td></tr>');
         }
     }
  }
  closedir(DIR);

  $r->print('</table></body></html>');
  return OK;  
}
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