File:
[LON-CAPA] /
loncom /
lonnet /
perl /
londns.pm
Revision
1.4:
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Thu Nov 30 14:33:35 2017 UTC (6 years, 7 months ago) by
raeburn
Branches:
MAIN
CVS tags:
version_2_11_X,
version_2_11_5,
version_2_11_4_uiuc,
version_2_11_4_msu,
version_2_11_4,
version_2_11_3_uiuc,
version_2_11_3_msu,
version_2_11_3,
version_2_11_2_msu,
HEAD
- Use three-argument open() to separate file mode from the filename.
1: # The LearningOnline Network with CAPA
2: # A debugging harness.
3: #
4: # $Id: londns.pm,v 1.4 2017/11/30 14:33:35 raeburn 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: package Apache::londns;
31:
32: use strict;
33: use LONCAPA;
34: use Apache::Constants qw(:common :http);
35: use Apache::lonnet;
36:
37: sub serve_file {
38: my ($r,$file,$type)=@_;
39: if (open(my $config,"<","$Apache::lonnet::perlvar{'lonTabDir'}/$file")) {
40: my $contents = join('',<$config>);
41: $r->content_type($type);
42: $r->send_http_header;
43: return OK if $r->header_only;
44: $r->print($contents);
45: return OK;
46: } else {
47: return FORBIDDEN;
48: }
49: }
50:
51: sub handler {
52: my ($r) = @_;
53:
54: my $command = (split('/',$r->uri))[3];
55: if ($command eq 'hosts') {
56: return &serve_file($r,'dns_hosts.tab','loncapa/hosts');
57: } elsif ($command eq 'domain') {
58: return &serve_file($r,'dns_domain.tab','loncapa/domain');
59: } elsif ($command eq 'checksums') {
60: my $version = (split('/',$r->uri))[4];
61: return &serve_file($r,"dns_checksums/$version.tab",'loncapa/versions');
62: }
63: return FORBIDDEN;
64: }
65:
66:
67: 1;
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