1: # The LearningOnline Network
2: # Access Handler for User Files
3: #
4: # $Id: lonuploadedacc.pm,v 1.6 2002/11/12 22:37:18 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::lonuploadedacc;
30:
31: use strict;
32: use Apache::Constants qw(:common :remotehost);
33: use Apache::lonnet();
34:
35: sub handler {
36: my $r = shift;
37: my $c = $r->connection;
38: my $args=$r->args;
39: &Apache::loncommon::get_unprocessed_cgi($args,['token']);
40: my (undef,undef,$udom,$uname,$ufile)=split(/\//,$r->uri);
41: $ufile=~s/^[\~\.]+//;
42: my ($homeserver)=($ENV{'form.token'}=~/\_([a-zA-Z0-9]+)$/);
43: my $remoteip=$c->remote_ip;
44: my $remoteserver=$Apache::lonnet::iphost{$remoteip};
45: my $reply=&Apache::lonnet::reply('tokenauthuserfile:'.
46: $udom.'/'.$uname.'/'.$ufile.':'.$ENV{'form.token'},
47: $remoteserver);
48: if ($reply eq 'ok') {
49: return OK;
50: } else {
51: &Apache::lonnet::logthis(
52: "Refused userfile access $uname at $udom for $ufile from $remoteip -> $remoteserver home $homeserver with $ENV{'form.token'}: $reply");
53: return FORBIDDEN;
54: }
55: }
56:
57: 1;
58: __END__
59:
60:
61:
62:
63:
64:
65:
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