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Annotation of loncom/cgi/listdomconfig.pl, revision 1.1

1.1     ! raeburn     1: #!/usr/bin/perl
        !             2: $|=1;
        !             3: # Domain Configuration Dump
        !             4: # $Id: listdomconfig.pl,v 1.1 2011/10/19 19:30:49 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: 
        !            31: =pod
        !            32: 
        !            33: =head1 NAME
        !            34: 
        !            35: listdomconfig.pl
        !            36: 
        !            37: =head1 SYNOPSIS
        !            38: 
        !            39: CGI script to display domain configuration as plain text.
        !            40: 
        !            41: =head1 Subroutines
        !            42: 
        !            43: =over 4
        !            44: 
        !            45: =cut
        !            46: 
        !            47: #############################################
        !            48: #############################################
        !            49: 
        !            50: use strict;
        !            51: 
        !            52: use lib '/home/httpd/lib/perl/';
        !            53: use LONCAPA::loncgi;
        !            54: use LONCAPA::lonauthcgi;
        !            55: use Apache::lonnet();
        !            56: use Apache::lonlocal;
        !            57: use LONCAPA;
        !            58: use GDBM_File;
        !            59: use Data::Dumper;
        !            60: use Storable qw(thaw);
        !            61: use GDBM_File;
        !            62: 
        !            63: print &LONCAPA::loncgi::cgi_header('text/plain',1);
        !            64: 
        !            65: &main();
        !            66: exit 0;
        !            67: 
        !            68: #############################################
        !            69: #############################################
        !            70: 
        !            71: =pod
        !            72: 
        !            73: =item main()
        !            74: 
        !            75: Inputs: None
        !            76: 
        !            77: Returns: Nothing
        !            78: 
        !            79: Description: Main program. Determines if requesting IP is allowed 
        !            80:              to view domain configuration(s) for domains for
        !            81:              which this server is the primary library server.
        !            82: 
        !            83: =cut
        !            84: 
        !            85: #############################################
        !            86: #############################################
        !            87: 
        !            88: sub main {
        !            89:     my $remote_ip = $ENV{'REMOTE_ADDR'};
        !            90:     my $allowed;
        !            91:     if (&LONCAPA::lonauthcgi::check_ipbased_access('domconf',$remote_ip)) {
        !            92:         $allowed = 1;
        !            93:     } elsif (&LONCAPA::loncgi::check_cookie_and_load_env()) {
        !            94:         $allowed = &LONCAPA::lonauthcgi::can_view('domconf');
        !            95:     }
        !            96:     &LONCAPA::loncgi::check_cookie_and_load_env();
        !            97:     &Apache::lonlocal::get_language_handle();
        !            98:     if ($allowed ne '') {
        !            99:         my @okdoms;
        !           100:         unless ($allowed == 1) {
        !           101:             @okdoms = split(/\&/,$allowed);
        !           102:         }
        !           103:         my @hosts = &Apache::lonnet::current_machine_ids();
        !           104:         my $numshown = 0;
        !           105:         my $numnonprim = 0;
        !           106:         foreach my $lonhost (@hosts) {
        !           107:             my $dom = &Apache::lonnet::host_domain($lonhost);
        !           108:             unless ($allowed == 1) {
        !           109:                 next unless (grep(/^\Q$dom\E$/,@okdoms));
        !           110:             }
        !           111:             my $prim_id = &Apache::lonnet::domain($dom,'primary');
        !           112:             if (($prim_id ne '') && (grep(/^\Q$prim_id\E$/,@hosts))) {
        !           113:                 my $domdesc = &Apache::lonnet::domain($dom);
        !           114:                 print &mt('Domain configuration for [_1]',"$domdesc ($dom)")."\n\n";
        !           115:                 &show_config($dom);
        !           116:                 print "\n";
        !           117:                 $numshown ++;
        !           118:             } else {
        !           119:                 $numnonprim ++;
        !           120:             }
        !           121:         }
        !           122:         if (!$numshown) {
        !           123:             if ($numnonprim) {
        !           124:                 print &mt('This server is not a primary library server')."\n";
        !           125:             } else {
        !           126:                 print &mt("You do not have access rights to view domain configuration for domain(s) hosted on this server.")."\n";
        !           127:             }
        !           128:         }
        !           129:     } else {
        !           130:         &LONCAPA::lonauthcgi::unauthorized_msg('domconf');
        !           131:     }
        !           132: }
        !           133: 
        !           134: #############################################
        !           135: #############################################
        !           136: 
        !           137: =pod
        !           138: 
        !           139: =item show_config
        !           140: 
        !           141: Inputs: $domain - domain for which domain configuration is to be shown 
        !           142: 
        !           143: Returns: Nothing
        !           144: 
        !           145: Description: Displays plain text of domain configuration by dumping
        !           146:              contents of configuration.db
        !           147: 
        !           148: =cut
        !           149: 
        !           150: #############################################
        !           151: #############################################
        !           152: 
        !           153: sub show_config {
        !           154:     my ($dom) = @_;
        !           155:     my $lonusersdir = $Apache::lonnet::perlvar{'lonUsersDir'};
        !           156:     my $fname = $lonusersdir.'/'.$dom.'/configuration.db';
        !           157:     my $dbref=&LONCAPA::locking_hash_tie($fname,&GDBM_READER());
        !           158:     if (ref($dbref) eq 'HASH') {
        !           159:         foreach my $key (sort(keys(%{$dbref}))) {
        !           160:             my $value = $dbref->{$key};  
        !           161:             if ($value =~ s/^__FROZEN__//) {
        !           162:                 $value = thaw(&unescape($value));
        !           163:             }
        !           164:             $key = &unescape($key);
        !           165:             $value = &unescape($value) if (!ref($value));
        !           166:             print "$key = ".(ref($value)?Dumper($value):$value)."\n";
        !           167:         }
        !           168:         &LONCAPA::locking_hash_untie($dbref);
        !           169:     }
        !           170:     return;
        !           171: }
        !           172: 
        !           173: =pod
        !           174: 
        !           175: =back
        !           176: 
        !           177: =cut
        !           178: