Annotation of loncom/auth/switchserver.pm, revision 1.9
1.1 albertel 1: # The LearningOnline Network
2: # Switch Servers Handler
3: #
1.9 ! albertel 4: # $Id: switchserver.pm,v 1.8 2006/06/02 19:38:21 albertel Exp $
1.1 albertel 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::switchserver;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::lonnet;
34: use Apache::lonmenu;
35: use CGI::Cookie();
36: use Apache::lonlocal;
37:
38: sub init_env {
39: my ($r) = @_;
1.5 albertel 40:
41: if (-e $env{'user.environment'}) {
42: return $env{'user.environment'};
43: }
1.1 albertel 44: my $requrl=$r->uri;
45: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
46: my $lonid=$cookies{'lonID'};
47: my $cookie;
48: if (!$lonid) { return undef; }
49:
50: my $handle=$lonid->value;
51: $handle=~s/\W//g;
52: my $lonidsdir=$r->dir_config('lonIDsDir');
53: if ((!-e "$lonidsdir/$handle.id") || ($handle eq '')) {
54: $r->log_reason("Cookie $handle not valid", $r->filename);
55: return undef;
56: }
57:
58: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
59:
1.5 albertel 60: return $r->dir_config('lonIDsDir')."/$handle.id";
1.1 albertel 61: }
62:
63: sub handler {
1.5 albertel 64: my ($r) = @_;
1.1 albertel 65:
66: my $handle=&init_env($r);
67: if (!defined($handle)) { return FORBIDDEN; }
68:
69: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
70: ['otherserver','role']);
1.5 albertel 71:
1.1 albertel 72: my $switch_to=$Apache::lonnet::hostname{$env{'form.otherserver'}};
1.4 albertel 73: if (!$env{'form.otherserver'}) {
74: $env{'form.otherserver'}=&Apache::lonnet::spareserver(30000,undef,1);
75: $switch_to=$Apache::lonnet::hostname{$env{'form.otherserver'}};
76: }
1.5 albertel 77:
1.1 albertel 78: if (!defined($switch_to)) { return FORBIDDEN; }
1.4 albertel 79:
80: if ($env{'form.role'} &&
81: !exists($env{'user.role.'.$env{'form.role'}})) { return FORBIDDEN; }
1.1 albertel 82:
83: #remove session env, and log event
1.5 albertel 84: unlink($handle);
1.1 albertel 85: my %temp=('switchserver' => time.':'.$env{'form.otherserver'},
86: $env{'form.role'});
87: &Apache::lonnet::put('email_status',\%temp);
88: &Apache::lonnet::log($env{'user.domain'},$env{'user.name'},
89: $env{'user.home'},
90: "Switch Server to $env{'form.otherserver'} with role $env{'form.role'} $ENV{'REMOTE_ADDR'}");
91:
92: &Apache::loncommon::content_type($r,'text/html');
93: $r->send_http_header;
94: return OK if $r->header_only;
95: # -------------------------------------------------------- Menu script and info
96:
97: my $windowinfo=&Apache::lonmenu::close();
98: $windowinfo.=&Apache::lonnavmaps::close();
99: # ---------------------------------------------------------------- Get handover
100:
1.3 albertel 101: my %info=('ip' => $ENV{'REMOTE_ADDR'},
102: 'domain' => $env{'user.domain'},
103: 'username' => $env{'user.name'},
104: 'role' => $env{'form.role'},
105: 'server' => $r->dir_config('lonHostID'));
1.8 albertel 106: if ($env{'request.sso.login'}) {
107: $info{'sso.login'} = $env{'request.sso.login'};
108: }
1.3 albertel 109: my $token = &Apache::lonnet::tmpput(\%info,$env{'form.otherserver'});
1.6 albertel 110: my $switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url=http://'.$switch_to.'/adm/login?domain='.$env{'user.domain'}.'&username='.$env{'user.name'}.'&token='.$token.'">';
1.7 albertel 111: my $start_page = &Apache::loncommon::start_page('Switching Server ...',
1.9 ! albertel 112: $switch,
! 113: {'no_inline_link' => 1,});
1.7 albertel 114: my $end_page = &Apache::loncommon::end_page();
1.1 albertel 115: # --------------------------------------------------------------- Screen Output
1.7 albertel 116: $r->print($start_page.$windowinfo.$end_page);
1.2 albertel 117:
1.1 albertel 118: &Apache::lonnet::flushcourselogs();
119: return OK;
120: }
121:
122: 1;
123: __END__
124:
125:
126:
127:
128:
129:
130:
131:
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