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- ENV -> env

    1: # The LearningOnline Network
    2: # Logout Handler
    3: #
    4: # $Id: lonlogout.pm,v 1.14 2005/04/07 06:56:21 albertel 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: package Apache::lonlogout;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common);
   33: use Apache::File;
   34: use Apache::lonnet;
   35: use Apache::lonmenu;
   36: use CGI::Cookie();
   37: use Apache::lonlocal;
   38: 
   39: sub handler {
   40:     my $r = shift;
   41: 
   42:     my $requrl=$r->uri;
   43:     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
   44:     my $lonid=$cookies{'lonID'};
   45:     my $cookie;
   46:     if ($lonid) {
   47: 	my $handle=$lonid->value;
   48:         $handle=~s/\W//g;
   49:         my $lonidsdir=$r->dir_config('lonIDsDir');
   50:         if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
   51:            my @profile;
   52:            my %sessionhash;
   53: 	    {
   54:              my $idf=Apache::File->new("$lonidsdir/$handle.id");
   55:              @profile=<$idf>;
   56: 	    }
   57:             my $envi;
   58:             for ($envi=0;$envi<=$#profile;$envi++) {
   59: 		chomp($profile[$envi]);
   60: 		my ($envname,$envvalue)=split(/=/,$profile[$envi]);
   61:                 $sessionhash{$envname}=$envvalue;
   62:             }
   63:             unlink("$lonidsdir/$handle.id");
   64: 	    my %temp=('logout' => time);
   65: 	    &Apache::lonnet::put('email_status',\%temp);
   66: 	    &Apache::lonnet::log($sessionhash{'user.domain'},
   67:                                  $sessionhash{'user.name'},
   68:                                  $sessionhash{'user.home'},
   69:                                  "Logout $ENV{'REMOTE_ADDR'}");
   70:             &Apache::loncommon::content_type($r,'text/html');
   71:             $r->send_http_header;
   72:             return OK if $r->header_only;
   73: # -------------------------------------------------------- Menu script and info
   74: 
   75:     my $windowinfo=&Apache::lonmenu::close();
   76:     $windowinfo.=&Apache::lonnavmaps::close();
   77: # ---------------------------------------------------------------- Get handover
   78:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
   79:     my $switch='';
   80:     my $bodytag='';
   81:     my $relogmessage='';
   82:     if ($env{'form.handover'}) {
   83:        $switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.
   84: 	   $env{'form.handover'}.'">';
   85:        $bodytag=&Apache::loncommon::bodytag('Switching Server ...');
   86:    } else {
   87:        $bodytag=&Apache::loncommon::bodytag('Logged Out');
   88:        my %lt=&Apache::lonlocal::texthash('gb' => 'Goodbye',
   89:                                           'cw' => 'close this window',
   90:                                           'li' => 'log in again',
   91:                                           'pe' => 'Please either',
   92:                                           'or' => 'or');
   93:        $relogmessage=(<<ENDRELOG);
   94: <h1>$lt{'gb'}!</h1>
   95:     $lt{'pe'} <a href="javascript:self.close();">$lt{'cw'}</a> $lt{'or'}
   96: <a href="/adm/login">$lt{'li'}</a>.
   97: ENDRELOG
   98:    }
   99: # --------------------------------------------------------------- Screen Output
  100:             $r->print(<<ENDDOCUMENT);
  101: <html>
  102: <head><title>The LearningOnline Network with CAPA Logout</title>
  103: $switch
  104: </head>
  105: $bodytag
  106: $windowinfo
  107: $relogmessage
  108: </body>
  109: </html>
  110: ENDDOCUMENT
  111:             &Apache::lonnet::flushcourselogs();
  112:             return OK; 
  113:         } else { 
  114:             $r->log_reason("Cookie $handle not valid", $r->filename); 
  115:         }
  116:     }
  117:     return FORBIDDEN;
  118: }
  119: 
  120: 1;
  121: __END__
  122: 
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  129: