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File:  [LON-CAPA] / loncom / publisher / lonretrieve.pm
Revision 1.1: download - view: text, annotated - select for diffs
Sun Apr 1 02:58:51 2001 UTC (23 years, 2 months ago) by www
Branches: MAIN
CVS tags: HEAD
New handlers to retrieve old versions of files and list construction space

    1: # The LearningOnline Network with CAPA
    2: # Handler to retrieve an old version of a file
    3: #
    4: # (Publication Handler
    5: # 
    6: # (TeX Content Handler
    7: #
    8: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
    9: #
   10: # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
   11: # 03/23 Guy Albertelli
   12: # 03/24,03/29 Gerd Kortemeyer)
   13: #
   14: # 03/31 Gerd Kortemeyer
   15: 
   16: package Apache::lonretrieve;
   17: 
   18: use strict;
   19: use Apache::File;
   20: use File::Copy;
   21: use Apache::Constants qw(:common :http :methods);
   22: 
   23: 
   24: sub handler {
   25: 
   26:   my $r=shift;
   27: 
   28:   my $fn;
   29: 
   30:   if ($ENV{'form.filename'}) {
   31:       $fn=$ENV{'form.filename'};
   32:       $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
   33:       $fn=~s/\/[^\/]+$//;
   34:   } else {
   35:       $fn=$r->filename();
   36:   }
   37:      
   38: 
   39:   unless ($fn) { 
   40:      $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
   41:          ' trying to publish empty directory', $r->filename); 
   42:      return HTTP_NOT_FOUND;
   43:   } 
   44: 
   45: # ----------------------------------------------------------- Start page output
   46: 
   47:   my $uname=$ENV{'user.name'};
   48:   my $udom=$ENV{'user.domain'};
   49: 
   50:   $r->content_type('text/html');
   51:   $r->send_http_header;
   52: 
   53:   $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
   54: 
   55:   $r->print(
   56:    '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
   57: 
   58:   my $thisdisfn=$fn;
   59:   $thisdisfn=~s/^\/home\/$uname\/public_html//;
   60:   
   61:   $r->print('<h1>Construction Space Directory <tt>'.$thisdisfn.'</tt></h1>');
   62: 
   63:   my $docroot=$r->dir_config('lonDocRoot');
   64: 
   65:   my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn;
   66:   my $linkdir='/~'.$uname.$thisdisfn;
   67: 
   68:     my $filename;
   69:     opendir(DIR,$fn);
   70:        while ($filename=readdir(DIR)) {
   71:            $filename=~/\.(\w+)$/;
   72:            if (($1 ne 'meta') && ($1 ne 'save') && ($1 ne 'log')) {
   73: 	      $r->print($resdir.' - '.$linkdir.' = '.$filename.'<br>');
   74: 	   }
   75:        }
   76:     closedir(DIR);
   77: 
   78: 
   79:   $r->print('</body></html>');
   80:   return OK;  
   81: }
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