File:
[LON-CAPA] /
loncom /
auth /
switchserver.pm
Revision
1.21:
download - view:
text,
annotated -
select for diffs
Thu Nov 15 01:17:16 2007 UTC (16 years, 8 months ago) by
albertel
Branches:
MAIN
CVS tags:
version_2_8_X,
version_2_8_2,
version_2_8_1,
version_2_8_0,
version_2_7_X,
version_2_7_99_1,
version_2_7_99_0,
version_2_7_1,
version_2_7_0,
version_2_6_X,
version_2_6_99_1,
version_2_6_99_0,
version_2_6_3,
version_2_6_2,
version_2_6_1,
version_2_6_0,
version_2_5_99_1,
version_2_5_99_0,
HEAD,
GCI_1
- xhtml
1: # The LearningOnline Network
2: # Switch Servers Handler
3: #
4: # $Id: switchserver.pm,v 1.21 2007/11/15 01:17:16 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::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) = @_;
40:
41: if (-e $env{'user.environment'}) {
42: return $env{'user.environment'};
43: }
44: my $requrl=$r->uri;
45: my $handle= &Apache::lonnet::check_for_valid_session($r);
46: if ($handle ne '') {
47: return undef;
48: }
49: my $lonidsdir=$r->dir_config('lonIDsDir');
50: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
51:
52: return $r->dir_config('lonIDsDir')."/$handle.id";
53: }
54:
55: sub do_redirect {
56: my ($r,$url,$only_body,$extra_text) = @_;
57: $r->send_http_header;
58: my $start_page =
59: &Apache::loncommon::start_page('Switching Server ...',undef,
60: {'redirect' => [0.5,$url],
61: 'no_inline_link' => 1,
62: 'only_body' => $only_body,});
63: my $end_page = &Apache::loncommon::end_page();
64: $r->print($start_page.$extra_text.$end_page);
65: return OK;
66:
67: }
68:
69: sub handler {
70: my ($r) = @_;
71:
72: my $handle=&init_env($r);
73: if (!defined($handle)) { return FORBIDDEN; }
74:
75: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
76: ['otherserver','role']);
77:
78: my $switch_to=&Apache::lonnet::hostname($env{'form.otherserver'});
79: if (! $env{'form.otherserver'}) {
80: $env{'form.otherserver'} =
81: &Apache::lonnet::find_existing_session($env{'user.domain'},
82: $env{'user.name'});
83: if (! $env{'form.otherserver'}) {
84: $env{'form.otherserver'} =
85: &Apache::lonnet::spareserver(30000,undef,1);
86: }
87:
88: $switch_to=&Apache::lonnet::hostname($env{'form.otherserver'});
89: }
90:
91: if (!defined($switch_to)) { return FORBIDDEN; }
92:
93: if ($env{'user.name'} eq 'public'
94: && $env{'user.domain'} eq 'public') {
95: my $url = 'http://'.$switch_to.$r->uri;
96: return &do_redirect($r,$url,1)
97: }
98:
99: if ($env{'form.role'} &&
100: !exists($env{'user.role.'.$env{'form.role'}})) { return FORBIDDEN; }
101:
102: #remove session env, and log event
103: unlink($handle);
104: my %temp=('switchserver' => time.':'.$env{'form.otherserver'},
105: $env{'form.role'});
106: &Apache::lonnet::put('email_status',\%temp);
107: &Apache::lonnet::log($env{'user.domain'},$env{'user.name'},
108: $env{'user.home'},
109: "Switch Server to $env{'form.otherserver'} with role $env{'form.role'} $ENV{'REMOTE_ADDR'}");
110:
111: &Apache::loncommon::content_type($r,'text/html');
112:
113: #expire the cookie
114: my $c = new CGI::Cookie(-name => 'lonID',
115: -value => '',
116: -expires => '-10y',);
117: $r->header_out('Set-cookie' => $c);
118:
119: if ($r->header_only) {
120: $r->send_http_header;
121: return OK;
122: }
123: # -------------------------------------------------------- Menu script and info
124:
125: my $windowinfo=
126: &Apache::lonmenu::close().
127: &Apache::lonnavmaps::close();
128: # ---------------------------------------------------------------- Get handover
129:
130: my %info=('ip' => $ENV{'REMOTE_ADDR'},
131: 'domain' => $env{'user.domain'},
132: 'username' => $env{'user.name'},
133: 'role' => $env{'form.role'},
134: 'server' => $r->dir_config('lonHostID'));
135: if ($env{'request.sso.login'}) {
136: $info{'sso.login'} = $env{'request.sso.login'};
137: }
138: if ($env{'request.sso.reloginserver'}) {
139: $info{'sso.reloginserver'} = $env{'request.sso.reloginserver'};
140: }
141: my $token = &Apache::lonnet::tmpput(\%info,$env{'form.otherserver'});
142: my $url ='http://'.$switch_to.'/adm/login?'.
143: 'domain='.$env{'user.domain'}.
144: '&username='.$env{'user.name'}.
145: '&token='.$token;
146: # --------------------------------------------------------------- Screen Output
147: &Apache::lonnet::flushcourselogs();
148: return &do_redirect($r,$url,0,$windowinfo);
149: }
150:
151: 1;
152: __END__
153:
154:
155:
156:
157:
158:
159:
160:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>