1: # The LearningOnline Network with CAPA
2: # Server for RAT Maps
3: #
4: # $Id: lonratsrv.pm,v 1.40 2008/11/20 13:51:22 jms 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: =head1 NAME
30:
31: Apache::lonratsrv
32:
33: =head1 SYNOPSIS
34:
35: Handler that takes output from RAT and stores
36: it on disk. Handles the upper hidden frame of
37: the added window that comes up in RAT. (3
38: frames come up in RAT server, code, and
39: output. This module handles server
40: connection.)
41:
42: This is part of the LearningOnline Network with CAPA project
43: described at http://www.lon-capa.org.
44:
45: =cut
46:
47: package Apache::lonratsrv;
48:
49: use strict;
50: use Apache::Constants qw(:common);
51: use LONCAPA();
52: use LONCAPA::map();
53:
54:
55: # ================================================================ Main Handler
56:
57: sub handler {
58: my $r=shift;
59: &Apache::loncommon::content_type($r,'text/html');
60: $r->send_http_header;
61:
62: return OK if $r->header_only;
63:
64: my $url=$r->uri;
65: $url=~m{/(\w+)/ratserver$};
66: my $mode=$1;
67:
68: $url=~s{/loadonly/ratserver$}{/save/ratserver};
69:
70: my $fn=$r->filename;
71: my $lonDocRoot=$r->dir_config('lonDocRoot');
72: if ( $fn =~ /\Q$lonDocRoot\E/ ) {
73: #internal authentication, needs fixup.
74: $fn = $url;
75: $fn=~s{^/~($LONCAPA::username_re)}{/home/$1/public_html};
76: $fn=~s{/[^/]*/ratserver$}{};
77: }
78: my $errtext='';
79: my $infotext='';
80: my $outtext='';
81:
82: if ($mode ne 'loadonly') {
83: ($errtext,$infotext)=&LONCAPA::map::savemap($fn,$errtext);
84: }
85: ($outtext,$errtext,$infotext)=&LONCAPA::map::loadmap($fn,$errtext,$infotext);
86:
87: my $start_page =
88: &Apache::loncommon::start_page('Alert',undef,
89: {'only_body' => 1,
90: 'bgcolor' => '#FFFFFF',});
91: my $end_page =
92: &Apache::loncommon::end_page();
93:
94: $r->print(<<ENDDOCUMENT);
95: $start_page
96: <form name="storage" method="post" action="$url">
97: <input type="hidden" name="output" value="$outtext" />
98: </form>
99: <script type ="text/javascript">
100: parent.flag=1;
101: </script>
102: ENDDOCUMENT
103: if (($errtext ne '') || ($infotext ne '')) {
104: $r->print(<<ENDSCRIPT);
105: <script type="text/javascript">
106: alert("$infotext $errtext");
107: </script>
108: ENDSCRIPT
109: }
110: $r->print($end_page);
111:
112: return OK;
113: }
114:
115: 1;
116: __END__
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