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File:  [LON-CAPA] / loncom / publisher / lonpubdir.pm
Revision 1.13: download - view: text, annotated - select for diffs
Mon Aug 20 13:18:41 2001 UTC (22 years, 9 months ago) by www
Branches: MAIN
CVS tags: HEAD
Can do retrieve directly from lonpubdir in case original file damaged

    1: # The LearningOnline Network with CAPA
    2: #
    3: # (Publication Handler
    4: # 
    5: # (TeX Content Handler
    6: #
    7: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
    8: #
    9: # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
   10: # 03/23 Guy Albertelli
   11: # 03/24,03/29 Gerd Kortemeyer)
   12: #
   13: # 03/31,04/03,05/09,06/23,08/18,08/20 Gerd Kortemeyer
   14: 
   15: package Apache::lonpubdir;
   16: 
   17: use strict;
   18: use Apache::File;
   19: use File::Copy;
   20: use Apache::Constants qw(:common :http :methods);
   21: use Apache::loncacc;
   22: use Apache::lonnet;
   23: 
   24: 
   25: sub handler {
   26: 
   27:   my $r=shift;
   28: 
   29:   my $fn;
   30: 
   31:   if ($ENV{'form.filename'}) {
   32:       $fn=$ENV{'form.filename'};
   33:       $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
   34:       $fn=~s/\/[^\/]+$//;
   35:   } else {
   36:       $fn=$r->filename();
   37:   }
   38: 
   39:   my $uname;
   40:   my $udom;
   41: 
   42:   ($uname,$udom)=
   43:     &Apache::loncacc::constructaccess(
   44:              $fn,$r->dir_config('lonDefDomain')); 
   45:   unless (($uname) && ($udom)) {
   46:      $r->log_reason($uname.' at '.$udom.
   47:          ' trying to publish file '.$ENV{'form.filename'}.
   48:          ' ('.$fn.') - not authorized', 
   49:          $r->filename); 
   50:      return HTTP_NOT_ACCEPTABLE;
   51:   }
   52:      
   53:   $fn=~s/\/$//;
   54: 
   55:   unless ($fn) { 
   56:      $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
   57:          ' trying to list empty directory', $r->filename); 
   58:      return HTTP_NOT_FOUND;
   59:   } 
   60: 
   61: # ----------------------------------------------------------- Start page output
   62: 
   63: 
   64:   $r->content_type('text/html');
   65:   $r->send_http_header;
   66: 
   67:   $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
   68: 
   69:   $r->print(
   70:    '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
   71: 
   72:   my $thisdisfn=$fn;
   73:   $thisdisfn=~s/^\/home\/$uname\/public_html//;
   74:   
   75:   $r->print('<h1>Construction Space Directory <tt>'.$thisdisfn.'/</tt></h1>');
   76:   
   77:   if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
   78:           $r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.
   79:                '</font></h3>');
   80:   }
   81: 
   82: 
   83:   my $docroot=$r->dir_config('lonDocRoot');
   84: 
   85:   my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn;
   86:   my $linkdir='/~'.$uname.$thisdisfn;
   87: 
   88:   $r->print('<table border=2>'.
   89:  '<tr><th>Filename</th><th>Modified</th><th>Status</th><th>&nbsp;</th></tr>');
   90: 
   91:   my $filename;
   92:   my $dirptr=16384;
   93: 
   94:   opendir(DIR,$fn);
   95:   my @files=sort(readdir(DIR));
   96:   foreach my $filename (@files) {
   97:      my ($cdev,$cino,$cmode,$cnlink,
   98:          $cuid,$cgid,$crdev,$csize,
   99:          $catime,$cmtime,$cctime,
  100:          $cblksize,$cblocks)=stat($fn.'/'.$filename);
  101: 
  102:      my $extension='';
  103:      if ($filename=~/\.(\w+)$/) { $extension=$1; }
  104:      if (($extension ne 'meta') && 
  105:          (&Apache::lonnet::fileembstyle($extension))) {
  106:          my $status='Unpublished';
  107:          my $bgcol='#FFBBBB';
  108:          if (-e $resdir.'/'.$filename) {
  109:             my ($rdev,$rino,$rmode,$rnlink,
  110:                 $ruid,$rgid,$rrdev,$rsize,
  111:                 $ratime,$rmtime,$rctime,
  112:                 $rblksize,$rblocks)=stat($resdir.'/'.$filename);
  113:             if ($rmtime>=$cmtime) {
  114: 		$status='Published';
  115:                 $bgcol='#BBFFBB';
  116:             } else {
  117:                 $status='Modified';
  118:                 $bgcol='#FFFFBB';
  119:                 if 
  120:             (&Apache::lonnet::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
  121:                    $status.='<br><a href="/adm/diff?filename=/~'.$uname.
  122:                                          $thisdisfn.'/'.$filename.
  123: 		       '&versionone=priv" target=cat>Diffs</a>';
  124: 	        }
  125:             }   
  126:             $status.='<br><a href="/adm/retrieve?filename=/~'.$uname.
  127:               $thisdisfn.'/'.$filename.'" target=cat>Retrieve</a>';
  128: 	 }
  129:          $r->print('<tr bgcolor='.$bgcol.
  130:          '><td><a href="'.$linkdir.'/'.$filename.'">'.$filename.
  131:          '</a></td><td>'.localtime($cmtime).'</td><td>'.$status.'</td>'.
  132:      '<td><a target="_parent" href="/adm/publish?filename=/~'.$uname.
  133:                                       $thisdisfn.'/'.$filename.'">'.
  134:          'Publish</a></td></tr>');
  135:      } elsif ($cmode&$dirptr) {
  136:          my $disfilename=$filename;
  137:          if ($filename eq '..') {
  138: 	     $disfilename='<i>Parent Directory</i>';
  139:          }
  140:          unless ((($filename eq '..') && ($thisdisfn eq '')) ||
  141:                  ($filename eq '.')) {
  142:            $r->print('<tr bgcolor=#BBBBFF'.
  143:            '><td><a href="'.$linkdir.'/'.$filename.'">'.$disfilename.
  144:  '</a></td><td>'.localtime($cmtime).'</td><td>&nbsp;</td><td>&nbsp;</td></tr>'
  145:            );
  146:          }
  147:      }
  148:   }
  149:   closedir(DIR);
  150: 
  151:   $r->print('</table></body></html>');
  152:   return OK;  
  153: }
  154: 
  155: 1;
  156: __END__
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