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Annotation of loncom/auth/lonlogout.pm, revision 1.16

1.1       www         1: # The LearningOnline Network
                      2: # Logout Handler
1.3       www         3: #
1.16    ! albertel    4: # $Id: lonlogout.pm,v 1.15 2005/09/20 07:33:54 albertel 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: 
                     29: package Apache::lonlogout;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
                     33: use Apache::File;
                     34: use Apache::lonnet;
1.2       www        35: use Apache::lonmenu;
1.1       www        36: use CGI::Cookie();
1.11      www        37: use Apache::lonlocal;
1.1       www        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/$handle.id");
1.5       www        64: 	    my %temp=('logout' => time);
                     65: 	    &Apache::lonnet::put('email_status',\%temp);
1.1       www        66: 	    &Apache::lonnet::log($sessionhash{'user.domain'},
                     67:                                  $sessionhash{'user.name'},
                     68:                                  $sessionhash{'user.home'},
                     69:                                  "Logout $ENV{'REMOTE_ADDR'}");
1.12      www        70:             &Apache::loncommon::content_type($r,'text/html');
1.1       www        71:             $r->send_http_header;
                     72:             return OK if $r->header_only;
1.2       www        73: # -------------------------------------------------------- Menu script and info
                     74: 
                     75:     my $windowinfo=&Apache::lonmenu::close();
1.13      albertel   76:     $windowinfo.=&Apache::lonnavmaps::close();
1.6       www        77: # ---------------------------------------------------------------- Get handover
                     78:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
                     79:     my $switch='';
1.7       www        80:     my $bodytag='';
                     81:     my $relogmessage='';
1.14      albertel   82:     if ($env{'form.handover'}) {
1.6       www        83:        $switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.
1.14      albertel   84: 	   $env{'form.handover'}.'">';
1.16    ! albertel   85:        $start_page=&Apache::loncommon::start_page('Switching Server ...',
        !            86: 						  $switch);
1.7       www        87:    } else {
1.16    ! albertel   88:        $start_page=&Apache::loncommon::start_page('Logged Out');
1.11      www        89:        my %lt=&Apache::lonlocal::texthash('gb' => 'Goodbye',
                     90:                                           'cw' => 'close this window',
                     91:                                           'li' => 'log in again',
                     92:                                           'pe' => 'Please either',
                     93:                                           'or' => 'or');
1.7       www        94:        $relogmessage=(<<ENDRELOG);
1.11      www        95: <h1>$lt{'gb'}!</h1>
                     96:     $lt{'pe'} <a href="javascript:self.close();">$lt{'cw'}</a> $lt{'or'}
1.15      albertel   97: <a href="/adm/login?domain=$sessionhash{'user.domain'}">$lt{'li'}</a>.
1.7       www        98: ENDRELOG
                     99:    }
1.16    ! albertel  100:    $end_page=&Apache::loncommon::end_page();
1.2       www       101: # --------------------------------------------------------------- Screen Output
1.1       www       102:             $r->print(<<ENDDOCUMENT);
1.16    ! albertel  103: $start_page
1.2       www       104: $windowinfo
1.7       www       105: $relogmessage
1.16    ! albertel  106: $end_page
1.1       www       107: ENDDOCUMENT
1.4       www       108:             &Apache::lonnet::flushcourselogs();
1.1       www       109:             return OK; 
                    110:         } else { 
                    111:             $r->log_reason("Cookie $handle not valid", $r->filename); 
                    112:         }
                    113:     }
                    114:     return FORBIDDEN;
                    115: }
                    116: 
                    117: 1;
                    118: __END__
                    119: 
                    120: 
                    121: 
                    122: 
                    123: 
                    124: 
                    125: 
                    126: