1: #!/usr/bin/perl
2: # CGI-script to allow download of all essay submissions of
3: # multiple students.
4: #
5: # $Id: multidownload.pl,v 1.10 2007/04/26 19:13:26 banghart Exp $
6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
27: # http://www.lon-capa.org/
28: #
29:
30: use lib '/home/httpd/lib/perl';
31: use LONCAPA::loncgi;
32: use File::Path;
33: use File::Basename;
34: use File::Copy;
35: use IO::File;
36: use Image::Magick;
37: use Apache::lonhtmlcommon();
38: use Apache::lonnet;
39: use Apache::grades;
40: use Apache::loncommon();
41: use Apache::lonlocal;
42: use Apache::lonmsg();
43: use Apache::lonnet;
44: use LONCAPA::Enrollment;
45: use strict;
46:
47: $|=1;
48: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
49: print <<END;
50: Content-type: text/html
51:
52: <html>
53: <head><title>Bad Cookie</title></head>
54: <body>
55: Your cookie information is incorrect.
56: </body>
57: </html>
58: END
59: return;
60: }
61: &Apache::lonlocal::get_language_handle();
62: &Apache::loncommon::content_type(undef,'text/html');
63: my $identifier = $ENV{'QUERY_STRING'};
64: my $unique_path = $identifier.time();
65: print(&Apache::loncommon::start_page('Multiple Downloads'));
66:
67: my $scope = $env{'request.course.id'};
68: if ($env{'request.course.sec'}) {
69: $scope .= '/'.$env{'request.course.sec'};
70: }
71: if (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
72: my $symb = $env{'cgi.'.$identifier.'.symb'};
73: $symb =~ /^.*\/(.+)\.problem$/;
74: my $zipout = $1.".zip";
75: $zipout =~ s/\s/_/g;
76: my $courseid = $env{'request.course.id'};
77: my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'});
78: my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'});
79: my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
80: my @part_response_id = &Apache::grades::flatten_responseType($responseType);
81: my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'};
82: my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
83: my $uname = $env{'user.name'};
84: my $udom = $env{'user.domain'};
85: mkdir($doc_zip_root."/zipdir",0700);
86: mkdir($doc_zip_root."/zipdir/$uname$udom",0700);
87: mkdir($doc_zip_root."/zipdir/$uname$udom/$unique_path",0700);
88: foreach my $stu (@stuchecked) {
89: my ($stuname,$studom,$fullname) = split(/:/,$stu);
90: mkdir($doc_zip_root."/zipdir/$uname$udom/$unique_path/$stuname",0700);
91: my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname);
92: foreach my $part (@part_response_id) {
93: my ($partid,$respid) = @{$part};
94: mkdir($doc_zip_root."/zipdir/$uname$udom/$unique_path/$stuname/part$partid",0700);
95: mkdir($doc_zip_root."/zipdir/$uname$udom/$unique_path/$stuname/part$partid/resp$respid",0700);
96: my $files = &Apache::grades::get_submitted_files($studom,$stuname,$partid,$respid,\%record);
97: foreach my $file (@$files) {
98: $file =~ /(^.*\/)(.+$)/;
99: my $file_name_only = $2;
100: my $file_content = &Apache::lonnet::getfile($file);
101: if (open(my $fh,">$doc_zip_root/zipdir/$uname$udom/$unique_path/$stuname/part$partid/resp$respid/$file_name_only")) {
102: print($fh $file_content);
103: close($fh);
104: } else {
105: print("problem creating file <br />");
106: }
107: }
108: }
109: }
110: mkdir($doc_zip_root."/zipout/$uname$udom",0700);
111: my $statement = "cd $doc_zip_root/zipdir/$uname$udom/$unique_path\n";
112: $statement .= "zip -r $doc_zip_root/zipout/$uname$udom/$zipout * > /dev/null";
113: system($statement);
114: $statement = "rm -rf $doc_zip_root/zipdir/$uname$udom/$unique_path";
115: system($statement);
116: print('<a href="/zipspool/zipout/'.$uname.$udom.'/'.$zipout.'">Click to download</a><br />');
117: } else {
118: print('You are not authorized to download student submissions.');
119: }
120: 1;
121: __END__;
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