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Annotation of loncom/lonnet/perl/londns.pm, revision 1.5

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # A debugging harness.
                      3: #
1.5     ! raeburn     4: # $Id: londns.pm,v 1.4 2017/11/30 14:33:35 raeburn Exp $
1.1       albertel    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 {
1.5     ! raeburn    38:     my ($r,$dir,$file,$type)=@_;
        !            39:     if (($dir eq '') || ($file eq '')) {
        !            40:         return FORBIDDEN;
        !            41:     }
        !            42:     if (open(my $config,"<","$dir/$file")) {
1.4       raeburn    43:         my $contents = join('',<$config>);
                     44:         $r->content_type($type);
                     45:         $r->send_http_header;
                     46:         return OK if $r->header_only;
                     47:         $r->print($contents);
                     48:         return OK;
                     49:     } else {
                     50:         return FORBIDDEN;
                     51:     }
1.1       albertel   52: }
                     53: 
                     54: sub handler {
                     55:     my ($r) = @_;
                     56: 
                     57:     my $command = (split('/',$r->uri))[3];
1.5     ! raeburn    58:     my $dir = $Apache::lonnet::perlvar{'lonTabDir'};
1.1       albertel   59:     if ($command eq 'hosts') {
1.5     ! raeburn    60: 	return &serve_file($r,$dir,'dns_hosts.tab','loncapa/hosts');
1.1       albertel   61:     } elsif ($command eq 'domain') {
1.5     ! raeburn    62: 	return &serve_file($r,$dir,'dns_domain.tab','loncapa/domain');
1.2       raeburn    63:     } elsif ($command eq 'checksums') {
1.3       raeburn    64:         my $version = (split('/',$r->uri))[4];
1.5     ! raeburn    65:         return &serve_file($r,$dir,"dns_checksums/$version.tab",'loncapa/versions');
        !            66:     } elsif ($command eq 'loncapaCRL') {
        !            67:         $dir = $Apache::lonnet::perlvar{'lonCertificateDirectory'};
        !            68:         return &serve_file($r,$dir,$Apache::lonnet::perlvar{'lonnetCertRevocationList'},
        !            69:                            'application/x-pem-file');
1.1       albertel   70:     }
                     71:     return FORBIDDEN;
                     72: }
                     73: 
                     74: 
                     75: 1;