Annotation of loncom/auth/lonlogout.pm, revision 1.11

1.1       www         1: # The LearningOnline Network
                      2: # Logout Handler
1.3       www         3: #
1.11    ! www         4: # $Id: lonlogout.pm,v 1.10 2003/06/06 02:24:49 www Exp $
1.3       www         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: #
1.1       www        28: # (Cookie Based Access Handler
                     29: # 5/21/99,5/22,5/29,5/31,6/15,16/11,22/11,
                     30: # 01/06,01/13 Gerd Kortemeyer)
1.5       www        31: # 05/31,11/29,12/29 Gerd Kortemeyer
1.1       www        32: 
                     33: package Apache::lonlogout;
                     34: 
                     35: use strict;
                     36: use Apache::Constants qw(:common);
                     37: use Apache::File;
                     38: use Apache::lonnet;
1.2       www        39: use Apache::lonmenu;
1.1       www        40: use CGI::Cookie();
1.11    ! www        41: use Apache::lonlocal;
1.1       www        42: 
                     43: sub handler {
                     44:     my $r = shift;
                     45: 
                     46:     my $requrl=$r->uri;
                     47:     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
                     48:     my $lonid=$cookies{'lonID'};
                     49:     my $cookie;
                     50:     if ($lonid) {
                     51: 	my $handle=$lonid->value;
                     52:         $handle=~s/\W//g;
                     53:         my $lonidsdir=$r->dir_config('lonIDsDir');
                     54:         if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
                     55:            my @profile;
                     56:            my %sessionhash;
                     57: 	    {
                     58:              my $idf=Apache::File->new("$lonidsdir/$handle.id");
                     59:              @profile=<$idf>;
                     60: 	    }
                     61:             my $envi;
                     62:             for ($envi=0;$envi<=$#profile;$envi++) {
                     63: 		chomp($profile[$envi]);
                     64: 		my ($envname,$envvalue)=split(/=/,$profile[$envi]);
                     65:                 $sessionhash{$envname}=$envvalue;
                     66:             }
                     67:             unlink("$lonidsdir/$handle.id");
1.5       www        68: 	    my %temp=('logout' => time);
                     69: 	    &Apache::lonnet::put('email_status',\%temp);
1.1       www        70: 	    &Apache::lonnet::log($sessionhash{'user.domain'},
                     71:                                  $sessionhash{'user.name'},
                     72:                                  $sessionhash{'user.home'},
                     73:                                  "Logout $ENV{'REMOTE_ADDR'}");
                     74:             $r->content_type('text/html');
                     75:             $r->send_http_header;
                     76:             return OK if $r->header_only;
1.2       www        77: # -------------------------------------------------------- Menu script and info
                     78: 
                     79:     my $windowinfo=&Apache::lonmenu::close();
1.6       www        80: # ---------------------------------------------------------------- Get handover
                     81:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
                     82:     my $switch='';
1.7       www        83:     my $bodytag='';
                     84:     my $relogmessage='';
1.6       www        85:     if ($ENV{'form.handover'}) {
                     86:        $switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.
                     87: 	   $ENV{'form.handover'}.'">';
1.7       www        88:        $bodytag=&Apache::loncommon::bodytag('Switching Server ...');
                     89:    } else {
1.10      www        90:        $bodytag=&Apache::loncommon::bodytag('Logged Out');
1.11    ! www        91:        my %lt=&Apache::lonlocal::texthash('gb' => 'Goodbye',
        !            92:                                           'cw' => 'close this window',
        !            93:                                           'li' => 'log in again',
        !            94:                                           'pe' => 'Please either',
        !            95:                                           'or' => 'or');
1.7       www        96:        $relogmessage=(<<ENDRELOG);
1.11    ! www        97: <h1>$lt{'gb'}!</h1>
        !            98:     $lt{'pe'} <a href="javascript:self.close();">$lt{'cw'}</a> $lt{'or'}
        !            99: <a href="/adm/login">$lt{'li'}</a>.
1.7       www       100: ENDRELOG
                    101:    }
1.2       www       102: # --------------------------------------------------------------- Screen Output
1.1       www       103:             $r->print(<<ENDDOCUMENT);
                    104: <html>
1.6       www       105: <head><title>The LearningOnline Network with CAPA Logout</title>
                    106: $switch
                    107: </head>
1.7       www       108: $bodytag
1.2       www       109: $windowinfo
1.7       www       110: $relogmessage
                    111: </body>
1.1       www       112: </html>
                    113: ENDDOCUMENT
1.4       www       114:             &Apache::lonnet::flushcourselogs();
1.1       www       115:             return OK; 
                    116:         } else { 
                    117:             $r->log_reason("Cookie $handle not valid", $r->filename); 
                    118:         }
                    119:     }
                    120:     return FORBIDDEN;
                    121: }
                    122: 
                    123: 1;
                    124: __END__
                    125: 
                    126: 
                    127: 
                    128: 
                    129: 
                    130: 
                    131: 
                    132: 

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