loncom/cgi/takeoffline.pl - annotate

Return to takeoffline.pl CVS log
Up to [LON-CAPA] / loncom / cgi
Annotation of loncom/cgi/takeoffline.pl, revision 1.4

1.1       www         1: #!/usr/bin/perl
1.3       raeburn     2: $|=1;
1.1       www         3: # Take machine offline, reroute traffic
                      4: #
1.4     ! raeburn     5: # $Id: takeoffline.pl,v 1.3 2008/11/28 20:50:25 raeburn Exp $
1.1       www         6: #
                      7: # Copyright Michigan State University Board of Trustees
                      8: #
                      9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     10: #
                     11: # LON-CAPA is free software; you can redistribute it and/or modify
                     12: # it under the terms of the GNU General Public License as published by
                     13: # the Free Software Foundation; either version 2 of the License, or
                     14: # (at your option) any later version.
                     15: #
                     16: # LON-CAPA is distributed in the hope that it will be useful,
                     17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     19: # GNU General Public License for more details.
                     20: #
                     21: # You should have received a copy of the GNU General Public License
                     22: # along with LON-CAPA; if not, write to the Free Software
                     23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     24: #
                     25: # /home/httpd/html/adm/gpl.txt
                     26: #
                     27: # http://www.lon-capa.org/
                     28: #
                     29: 
1.3       raeburn    30: use strict;
                     31: use lib '/home/httpd/lib/perl/';
                     32: use Apache::lonlocal;
                     33: use LONCAPA::loncgi;
1.4     ! raeburn    34: use LONCAPA::lonauthcgi;
1.3       raeburn    35: 
                     36: print "Content-type: text/html\n\n";
                     37: 
                     38: &main();
                     39: 
                     40: sub main {
1.4     ! raeburn    41:     if (!&LONCAPA::lonauthcgi::check_ipbased_access('takeoffline')) {
1.3       raeburn    42:         if (!&LONCAPA::loncgi::check_cookie_and_load_env()) {
                     43:             &Apache::lonlocal::get_language_handle();
                     44:             print(&LONCAPA::loncgi::missing_cookie_msg());
                     45:             return;
                     46:         }
                     47: 
1.4     ! raeburn    48:         if (!&LONCAPA::lonauthcgi::can_view('takeoffline')) {
1.3       raeburn    49:             &Apache::lonlocal::get_language_handle();
1.4     ! raeburn    50:             print(&LONCAPA::lonauthcgi::unauthorized_msg('takeoffline'));
1.3       raeburn    51:             return;
                     52:         }
                     53:     }
                     54: 
                     55:     &Apache::lonlocal::get_language_handle();
                     56: 
                     57:     print '<html><body bgcolor="#FFFFFF"><h1>'.&Apache::lonlocal::mt('Take Offline').'</h1>';
                     58:     my $statusmsg;
                     59:     if ($ENV{'QUERY_STRING'}) {
                     60:         my ($otherserver,$domain)=split(/\&/,$ENV{'QUERY_STRING'});
                     61:         if (&reroute($otherserver,$domain)) {
                     62:             print &Apache::lonlocal::mt('Rerouting to [_1]',$otherserver);
                     63:             $statusmsg = "status=rerouting&server=$otherserver&domain=$domain&time=".time.
                     64:                          "by=$Apache::lonnet::env{'user.name'}:$Apache::lonnet::env{'user.domain'}";
                     65:         }
                     66:     } else {
                     67:         if (&dead()) {
                     68:             print &Apache::lonlocal::mt('No reroute server given, taking completely offline.');
                     69:             $statusmsg = 'status=offline&time='.time."by=$Apache::lonnet::env{'user.name'}:$Apache::lonnet::env{'user.domain'}"
                     70:         }
                     71:     }
                     72:     print "</body></html>";
                     73:     if ($statusmsg) {
                     74:         if (open (STATUS,'>/home/httpd/html/lon-status/reroute.txt')) {
                     75:             print STATUS "$statusmsg\n";
                     76:             close(STATUS);
                     77:         } else {
                     78:             print &Apache::lonlocal::mt('Logging of status change to [_1] failed.','reroute.txt'); 
                     79:         }
                     80:     }
1.1       www        81: }
                     82: 
                     83: sub dead {
1.3       raeburn    84:     if (open (OUT,'>/home/httpd/html/index.html')) {
                     85:         print OUT &Apache::lonlocal::mt('This LON-CAPA server is currently offline.');
                     86:         close(OUT);
                     87:         return 'ok';
                     88:     }
                     89:     return;
1.1       www        90: }
                     91: 
                     92: sub reroute {
1.3       raeburn    93:     my ($otherserver,$domain) = @_;
                     94:     if (open (OUT,'>/home/httpd/html/index.html')) {
                     95:         print OUT (<<ENDNEWINDEX);
1.1       www        96: <html>
                     97:  <head>
                     98:   <title>Welcome to the LearningOnline Network with CAPA</title>
1.2       www        99:   <meta HTTP-EQUIV="Refresh" CONTENT="0.5; url=http://$otherserver/adm/login?domain=$domain">
1.1       www       100:  </head>
                    101:  <body bgcolor="#004400" topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
                    102:   <img src="/adm/lonIcons/header.gif" />
                    103: <p><font color="#FFFFFF">Connecting to
1.2       www       104: <a href="http://$otherserver/adm/login?domain=$domain"><font color="#FFFFFF">http://$otherserver/</font></a></font></p>
1.1       www       105: </body>
                    106: </html>
                    107: ENDNEWINDEX
1.3       raeburn   108:        close(OUT);
                    109:        return 'ok';
                    110:     }
                    111:     return;
1.1       www       112: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>