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, 9 months ago) by
raeburn
Branches:
MAIN
CVS tags:
version_2_11_X,
version_2_11_5_msu,
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.
# The LearningOnline Network with CAPA
# A debugging harness.
#
# $Id: londns.pm,v 1.4 2017/11/30 14:33:35 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
#
package Apache::londns;
use strict;
use LONCAPA;
use Apache::Constants qw(:common :http);
use Apache::lonnet;
sub serve_file {
my ($r,$file,$type)=@_;
if (open(my $config,"<","$Apache::lonnet::perlvar{'lonTabDir'}/$file")) {
my $contents = join('',<$config>);
$r->content_type($type);
$r->send_http_header;
return OK if $r->header_only;
$r->print($contents);
return OK;
} else {
return FORBIDDEN;
}
}
sub handler {
my ($r) = @_;
my $command = (split('/',$r->uri))[3];
if ($command eq 'hosts') {
return &serve_file($r,'dns_hosts.tab','loncapa/hosts');
} elsif ($command eq 'domain') {
return &serve_file($r,'dns_domain.tab','loncapa/domain');
} elsif ($command eq 'checksums') {
my $version = (split('/',$r->uri))[4];
return &serve_file($r,"dns_checksums/$version.tab",'loncapa/versions');
}
return FORBIDDEN;
}
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