[BACK]Return to takeoffline.pl CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / cgi
File:  [LON-CAPA] / loncom / cgi / takeoffline.pl
Revision 1.3: download - view: text, annotated - select for diffs
Fri Nov 28 20:50:25 2008 UTC (15 years, 5 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD
- Add localization
- Add &main() subroutine
- Access control uses routines from LONCAPA::loncgi

    1: #!/usr/bin/perl
    2: $|=1;
    3: # Take machine offline, reroute traffic
    4: #
    5: # $Id: takeoffline.pl,v 1.3 2008/11/28 20:50:25 raeburn Exp $
    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: 
   30: use strict;
   31: use lib '/home/httpd/lib/perl/';
   32: use Apache::lonlocal;
   33: use LONCAPA::loncgi;
   34: 
   35: print "Content-type: text/html\n\n";
   36: 
   37: &main();
   38: 
   39: sub main {
   40:     if (!&LONCAPA::loncgi::check_ipbased_access('takeoffline')) {
   41:         if (!&LONCAPA::loncgi::check_cookie_and_load_env()) {
   42:             &Apache::lonlocal::get_language_handle();
   43:             print(&LONCAPA::loncgi::missing_cookie_msg());
   44:             return;
   45:         }
   46: 
   47:         if (!&LONCAPA::loncgi::can_view('takeoffline')) {
   48:             &Apache::lonlocal::get_language_handle();
   49:             print(&LONCAPA::loncgi::unauthorized_msg('takeoffline'));
   50:             return;
   51:         }
   52:     }
   53: 
   54:     &Apache::lonlocal::get_language_handle();
   55: 
   56:     print '<html><body bgcolor="#FFFFFF"><h1>'.&Apache::lonlocal::mt('Take Offline').'</h1>';
   57:     my $statusmsg;
   58:     if ($ENV{'QUERY_STRING'}) {
   59:         my ($otherserver,$domain)=split(/\&/,$ENV{'QUERY_STRING'});
   60:         if (&reroute($otherserver,$domain)) {
   61:             print &Apache::lonlocal::mt('Rerouting to [_1]',$otherserver);
   62:             $statusmsg = "status=rerouting&server=$otherserver&domain=$domain&time=".time.
   63:                          "by=$Apache::lonnet::env{'user.name'}:$Apache::lonnet::env{'user.domain'}";
   64:         }
   65:     } else {
   66:         if (&dead()) {
   67:             print &Apache::lonlocal::mt('No reroute server given, taking completely offline.');
   68:             $statusmsg = 'status=offline&time='.time."by=$Apache::lonnet::env{'user.name'}:$Apache::lonnet::env{'user.domain'}"
   69:         }
   70:     }
   71:     print "</body></html>";
   72:     if ($statusmsg) {
   73:         if (open (STATUS,'>/home/httpd/html/lon-status/reroute.txt')) {
   74:             print STATUS "$statusmsg\n";
   75:             close(STATUS);
   76:         } else {
   77:             print &Apache::lonlocal::mt('Logging of status change to [_1] failed.','reroute.txt'); 
   78:         }
   79:     }
   80: }
   81: 
   82: sub dead {
   83:     if (open (OUT,'>/home/httpd/html/index.html')) {
   84:         print OUT &Apache::lonlocal::mt('This LON-CAPA server is currently offline.');
   85:         close(OUT);
   86:         return 'ok';
   87:     }
   88:     return;
   89: }
   90: 
   91: sub reroute {
   92:     my ($otherserver,$domain) = @_;
   93:     if (open (OUT,'>/home/httpd/html/index.html')) {
   94:         print OUT (<<ENDNEWINDEX);
   95: <html>
   96:  <head>
   97:   <title>Welcome to the LearningOnline Network with CAPA</title>
   98:   <meta HTTP-EQUIV="Refresh" CONTENT="0.5; url=http://$otherserver/adm/login?domain=$domain">
   99:  </head>
  100:  <body bgcolor="#004400" topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
  101:   <img src="/adm/lonIcons/header.gif" />
  102: <p><font color="#FFFFFF">Connecting to
  103: <a href="http://$otherserver/adm/login?domain=$domain"><font color="#FFFFFF">http://$otherserver/</font></a></font></p>
  104: </body>
  105: </html>
  106: ENDNEWINDEX
  107:        close(OUT);
  108:        return 'ok';
  109:     }
  110:     return;
  111: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>