Annotation of loncom/auth/lontokacc.pm, revision 1.9
1.1 www 1: # The LearningOnline Network
1.4 www 2: # Access Handler for User File Transfers
1.1 www 3: #
1.9 ! www 4: # $Id: lontokacc.pm,v 1.8 2003/08/01 15:46:10 www Exp $
1.1 www 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;
1.4 www 32: use Apache::Constants qw(:common :remotehost);
1.1 www 33: use Apache::lonnet();
1.4 www 34: use Apache::File();
1.8 www 35:
1.1 www 36:
37: sub handler {
38: my $r = shift;
1.7 bowersj2 39: my $reqhost = $r->get_remote_host(REMOTE_DOUBLE_REV);
40: if (!$reqhost && $r->get_remote_host(REMOTE_NOLOOKUP) eq $r->get_server_name()) {
41: $reqhost = $r->get_server_name();
42: }
43: unless ($reqhost) {
44: $r->log_reason("Spoof request from ". $reqhost);
45: return FORBIDDEN;
1.1 www 46: }
1.6 www 47: if ($reqhost eq 'localhost.localdomain') {
48: return OK;
49: }
1.4 www 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=<$fh>) {
59: my ($id,$domain,$role,$name,$ip)=split(/:/,$readline);
1.5 www 60: if ($name =~ /$reqhost/i) {
61: return OK;
62: }
1.4 www 63: }
64:
65: }
66: $r->log_reason("Invalid request for user file transfer from $reqhost",
67: $r->filename);
1.1 www 68: return FORBIDDEN;
69: }
70:
1.5 www 71: sub removefile {
72: my $r=shift;
1.6 www 73: if ($r->status==200) {
74: unlink($r->filename);
1.5 www 75: &Apache::lonnet::logthis('Unlinking '.$r->filename);
76: } else {
1.6 www 77: &Apache::lonnet::logthis('Failed to transfer '.$r->filename);
1.5 www 78: }
79: }
1.1 www 80: 1;
81: __END__
1.4 www 82:
83:
84:
85:
86:
1.1 www 87:
88:
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