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Fixing the permissions for source access.

    1: # The LearningOnline Network with CAPA
    2: # Souce Code handler
    3: #
    4: # $Id: lonsource.pm,v 1.3 2004/06/18 15:13:07 www Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: ###
   29: 
   30: 
   31: package Apache::lonsource;
   32: 
   33: use strict;
   34: use Apache::lonnet();
   35: use Apache::loncommon();
   36: use Apache::lonhtmlcommon();
   37: use Apache::lonsequence();
   38: use Apache::Constants qw(:common :http);
   39: use Apache::lonmeta;
   40: use Apache::File;
   41: use Apache::lonlocal;
   42: use HTML::Entities;
   43: 
   44: sub make_link {
   45:     my ($filename) = @_;
   46:     my $sourcelink = "http://".$ENV{'SERVER_NAME'}.
   47: 	"/adm/source/?filename=".$filename;
   48: 
   49:     return $sourcelink;
   50: }
   51: 
   52: sub stage_2 {
   53:     my ($r, $filename) = @_;
   54:     $r->print("Coming Soon");
   55:     return OK;
   56: }
   57: 
   58: sub print_item {
   59:     my ($r, $filename) = @_;
   60:     $filename = "/home/httpd/html".$filename;
   61:     my $file_output = &Apache::lonnet::getfile($filename);
   62:     my ($rows,$cols) = &Apache::edit::textarea_sizes(\$file_output);
   63:     $r->print('<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'.
   64: 	      &HTML::Entities::encode($file_output,'<>&"').'</textarea>');
   65:     return OK;
   66: 	
   67: }
   68: 
   69: 
   70: sub handler { 
   71:     my $r=shift;
   72:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
   73: 					    ['filename']);
   74:     my $filename = $ENV{'form.filename'};
   75:     my $source = &Apache::lonnet::metadata($filename,'sourceavail');
   76:     if ($source ne 'open') {
   77: 	$ENV{'user.error.msg'}="$filename:cre:1:1:Source code not available";
   78: 	return HTTP_NOT_ACCEPTABLE;
   79:     }
   80:     if ((!&Apache::lonnet::allowed('cre')) ||
   81: 	(!&Apache::lonnet::allowed('bre',$filename))) {
   82: 	$ENV{'user.error.msg'}="$filename:bre:1:1:Access to resource denied";
   83: 	return HTTP_NOT_ACCEPTABLE;
   84:     }
   85:     if ($ENV{'form.action'} eq 'stage2') { 
   86: 	&stage_2($r, $ENV{'form.filename'});
   87:     } else {
   88: 	&Apache::loncommon::content_type($r,'text/html');
   89: 	$r->send_http_header;
   90: 	$r->print('		    <form name="copy" action="/adm/source/" target="_parent" method="post">
   91: 				<input type="button" value="Close Window" name="close" onClick="window.close()">
   92: 		      <input type="hidden" name="filename" value="'.$filename.'" />
   93: 		      <input type="hidden" name="action" value="stage2" />
   94: 	              <input type="submit" value="Copy to CSTR" />
   95: 		    </form>');
   96: 	$r->print('<hr />');
   97: 	&print_item($r, $ENV{'form.filename'});
   98:     }
   99:     return OK;
  100: }
  101: 
  102: 1;
  103: 	
  104: