1: # The LearningOnline Network
2: # Access Handler for User File Transfers
3: #
4: # $Id: lontokacc.pm,v 1.5 2002/08/02 14:45:04 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: package Apache::lontokacc;
30:
31: use strict;
32: use Apache::Constants qw(:common :remotehost);
33: use Apache::lonnet();
34: use Apache::File();
35:
36: sub handler {
37: my $r = shift;
38: my $reqhost;
39: unless ($reqhost=$r->get_remote_host(REMOTE_DOUBLE_REV)) {
40: $r->log_reason("Spoof request ".$reqhost);
41: return FORBIDDEN;
42: }
43: my $readline;
44: my $lontabdir=$r->dir_config('lonTabDir');
45: {
46: my $fh;
47: unless ($fh=Apache::File->new("$lontabdir/hosts.tab")) {
48: $r->log_reason("Could not find host tab file");
49: return FORBIDDEN;
50: }
51: while ($readline=<$fh>) {
52: my ($id,$domain,$role,$name,$ip)=split(/:/,$readline);
53: if ($name =~ /$reqhost/i) {
54: $r->register_cleanup(\&removefile);
55: return OK;
56: }
57: }
58:
59: }
60: $r->log_reason("Invalid request for user file transfer from $reqhost",
61: $r->filename);
62: return FORBIDDEN;
63: }
64:
65: sub removefile {
66: my $r=shift;
67: if ($r->status==HTTP_OK) {
68: &Apache::lonnet::logthis('Unlinking '.$r->filename);
69: } else {
70: &Apache::lonnet::logthis("Failed to transfer ".$r->filename);
71: }
72: }
73: 1;
74: __END__
75:
76:
77:
78:
79:
80:
81:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>