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File:  [LON-CAPA] / loncom / auth / lontokacc.pm
Revision 1.16: download - view: text, annotated - select for diffs
Tue Feb 7 19:46:26 2006 UTC (18 years, 3 months ago) by albertel
Branches: MAIN
CVS tags: version_2_3_X, version_2_3_2, version_2_3_1, version_2_3_0, version_2_2_X, version_2_2_99_1, version_2_2_99_0, version_2_2_2, version_2_2_1, version_2_2_0, version_2_1_X, version_2_1_99_3, version_2_1_99_2, version_2_1_99_1, version_2_1_99_0, version_2_1_3, HEAD
- Apache 2 doesn't like it when PerlCleanupHandlers don't return an Apache::Constant (like OK or DECLINED ...)

    1: # The LearningOnline Network
    2: # Access Handler for User File Transfers
    3: #
    4: # $Id: lontokacc.pm,v 1.16 2006/02/07 19:46:26 albertel 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: package Apache::lontokacc;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common :remotehost);
   33: use Apache::lonnet();
   34: use Apache::File();
   35: use IO::Socket;
   36: 
   37: sub handler {
   38:     my $r = shift;
   39:     my $reqhost = $r->get_remote_host(REMOTE_NOLOOKUP);
   40:     my %iphost=&Apache::lonnet::get_iphost();
   41:     my $hostids=$iphost{$reqhost};
   42:     if (!$hostids && $reqhost ne '127.0.0.1' ) {
   43: 	$r->log_reason("Unable to find a host for ".
   44: 		       $r->get_remote_host(REMOTE_NOLOOKUP));
   45: 	return FORBIDDEN;
   46:     }
   47:     if ($reqhost eq '127.0.0.1') {
   48:        return OK;
   49:     }
   50:     my $readline;
   51:     my $lontabdir=$r->dir_config('lonTabDir');
   52:     {
   53:        my $fh;
   54:        unless ($fh=Apache::File->new("$lontabdir/hosts.tab")) {
   55:           $r->log_reason("Could not find host tab file");
   56:           return FORBIDDEN;
   57:        }
   58:        while ($readline=<$fh>) {
   59: 	   $readline=~s/\s*$//;
   60: 	   my ($id,$domain,$role,$name)=split(/:/,$readline);
   61: 	   foreach my $hostid (@{$hostids}) {
   62: 	       my $hostname=$Apache::lonnet::hostname{$hostid};
   63: 	       if ($name =~ /^\Q$hostname\E$/i) {
   64: 		   return OK; 
   65: 	       }
   66: 	   }
   67:        }
   68: 
   69:     }
   70:     $r->log_reason("Invalid request for user file transfer from $reqhost (".join(",",@{$hostids}).")", 
   71:                    $r->filename); 
   72:     return FORBIDDEN;
   73: }
   74: 
   75: sub removefile {
   76:     my $r=shift;
   77:     if ($r->status==200) {
   78:         unlink($r->filename);
   79: 	#&Apache::lonnet::logthis('Unlinking '.$r->filename);
   80:     } else {
   81:         &Apache::lonnet::logthis('Failed to transfer '.$r->filename);
   82:     }
   83:     return OK;
   84: }
   85: 1;
   86: __END__
   87: 
   88: 
   89: 
   90: 
   91: 
   92: 
   93:
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