Annotation of loncom/interface/multidownload.pl, revision 1.42
1.1 banghart 1: #!/usr/bin/perl
2: # CGI-script to allow download of all essay submissions of
3: # multiple students.
4: #
1.42 ! raeburn 5: # $Id: multidownload.pl,v 1.41 2017/11/05 18:19:41 raeburn Exp $
1.1 banghart 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: use lib '/home/httpd/lib/perl';
30: use LONCAPA::loncgi;
31: use File::Path;
32: use File::Basename;
33: use File::Copy;
1.41 raeburn 34: use Archive::Zip qw( :ERROR_CODES );
1.1 banghart 35: use Apache::lonhtmlcommon();
1.36 albertel 36: use Apache::lonnavmaps();
1.1 banghart 37: use Apache::loncommon();
38: use Apache::lonlocal;
39: use Apache::lonmsg();
1.2 banghart 40: use Apache::lonnet;
1.1 banghart 41: use LONCAPA::Enrollment;
1.41 raeburn 42: use LONCAPA;
1.1 banghart 43: use strict;
44:
1.25 banghart 45: sub is_flat {
46: my ($partlist, $res) = @_;
47: my $flat_part = 1;
48: my $flat_resp = 1;
49: if (scalar(@$partlist) > 1) {
50: $flat_part = 0;
51: }
52: foreach my $partid (@$partlist) {
53: my @ids = $res->responseIds($partid);
54: if (scalar(@ids) > 1 ) {
55: $flat_resp = 0;
56: }
57: }
58: return ($flat_part, $flat_resp);
59: }
1.36 albertel 60:
61:
1.25 banghart 62: sub get_part_resp_path {
63: my ($flat_part, $flat_resp, $part_id, $resp_id) = @_;
64: my $part_resp_path = "";
65: if (!$flat_part) {
66: $part_resp_path = "part$part_id/";
67: }
68: if (!$flat_resp) {
69: $part_resp_path .= "resp$resp_id/";
70: }
71: $part_resp_path =~ s/\/^//;
72: return('/'.$part_resp_path);
73: }
1.36 albertel 74:
75:
1.1 banghart 76: $|=1;
1.38 raeburn 77: &Apache::lonlocal::get_language_handle();
78: &Apache::loncommon::content_type(undef,'text/html');
1.41 raeburn 79: my ($nocookie,$identifier,$unique_path,$scope,$unique_user);
1.1 banghart 80: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
1.38 raeburn 81: print(&LONCAPA::loncgi::missing_cookie_msg());
1.40 raeburn 82: $nocookie = 1;
1.1 banghart 83: }
1.36 albertel 84:
1.40 raeburn 85: unless ($nocookie) {
86: $scope = $env{'request.course.id'};
87: if ($env{'request.course.sec'}) {
88: $scope .= '/'.$env{'request.course.sec'};
89: }
90: if ($ENV{'QUERY_STRING'} =~ /^\d+_\d+_\d+$/) {
91: $identifier = $ENV{'QUERY_STRING'};
92: $unique_path = $identifier.time();
93: }
1.41 raeburn 94: if (($env{'user.name'} =~ /^$LONCAPA::match_username$/) &&
95: ($env{'user.domain'} =~ /^$LONCAPA::match_domain$/)) {
96: $unique_user = $env{'user.name'}.':'.$env{'user.domain'};
97: }
1.40 raeburn 98: print(&Apache::loncommon::start_page('Multiple Downloads'));
1.6 banghart 99: }
1.40 raeburn 100: if ($scope eq '') {
101: print(&mt('Invalid course context: you need to reselect your course role.'));
102: } elsif ($identifier eq '') {
103: unless ($nocookie) {
104: if (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
105: print(&mt('Invalid query string; unable to download submissions.'));
106: } else {
107: print(&mt('You are not authorized to download student submissions.'));
108: }
109: }
1.41 raeburn 110: } elsif ($unique_user eq '') {
111: unless ($nocookie) {
112: if (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
113: print(&mt('Characters in your username and/or domain prevent download of submissions.'));
114: } else {
115: print(&mt('You are not authorized to download student submissions.'));
116: }
117: }
1.40 raeburn 118: } elsif (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
1.4 banghart 119: my $symb = $env{'cgi.'.$identifier.'.symb'};
1.16 banghart 120: my $navmap = Apache::lonnavmaps::navmap->new();
121: my $res = $navmap->getBySymb($symb);
1.19 banghart 122: my $partlist = $res->parts();
1.25 banghart 123: my ($flat_part, $flat_resp) = &is_flat($partlist, $res);
1.16 banghart 124: my ($zipout) = ($symb =~ /^.*\/(.+)\.problem$/);
1.10 banghart 125: $zipout =~ s/\s/_/g;
1.41 raeburn 126: $zipout =~ s/[^\w.\-]+//g;
1.23 banghart 127: $zipout .= "$identifier.zip";
1.4 banghart 128: my $courseid = $env{'request.course.id'};
129: my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'});
1.26 banghart 130: my $number_of_students = scalar(@stuchecked);
1.39 www 131: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('',$number_of_students);
1.4 banghart 132: my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'});
133: my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'};
1.40 raeburn 134: my $manifest;
1.41 raeburn 135: unless (-d "$doc_zip_root/zipdir/$unique_user/$unique_path") {
136: &File::Path::mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path",0,0700);
137: }
1.42 ! raeburn 138: if (open(MANIFEST,'>',"$doc_zip_root/zipdir/$unique_user/$unique_path/manifest.txt")) {
1.40 raeburn 139: $manifest = 1;
140: print MANIFEST (&mt("Zip file generated on [_1]",&Apache::lonlocal::locallocaltime(time()))."\n");
141: print MANIFEST (&mt("Course: [_1]",$env{"course.$courseid.description"})."\n");
142: print MANIFEST (&mt("Problem: [_1]",$res->compTitle)."\n");
143: print MANIFEST (&mt("Files contained in this zip:")."\n");
144: } else {
1.22 banghart 145: &Apache::lonnet::logthis("Problem making manifest");
146: }
1.15 banghart 147: my $file_problem = 0;
1.26 banghart 148: my $current_student = 0;
1.4 banghart 149: foreach my $stu (@stuchecked) {
1.26 banghart 150: $current_student ++;
1.39 www 151: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,&mt("Processing student [_1] of [_2]",$current_student,$number_of_students));
1.15 banghart 152: my %files_saved;
1.5 banghart 153: my ($stuname,$studom,$fullname) = split(/:/,$stu);
154: my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname);
1.38 raeburn 155: my $port_url = '/uploaded/'.$studom.'/'.$stuname.'/portfolio';
1.40 raeburn 156: if ($manifest) {
157: print MANIFEST ($fullname."\n");
158: }
1.36 albertel 159:
1.33 banghart 160: my $submission_count = 0;
1.19 banghart 161: foreach my $partid (@$partlist) {
162: my @ids = $res->responseIds($partid);
1.36 albertel 163: foreach my $respid (@ids) {
1.25 banghart 164: my $part_resp_path = &get_part_resp_path($flat_part,$flat_resp, $partid, $respid);
1.41 raeburn 165: &File::Path::mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path/$stuname/$part_resp_path",0,0700);
1.38 raeburn 166: foreach my $origin ('portfiles','uploadedurl') {
167: my @files;
168: if ($record{"resource.$partid.$respid.$origin"} ne '') {
169: if ($origin eq 'portfiles') {
170: @files = (split(',',$record{"resource.$partid.$respid.$origin"}));
171: } else {
172: @files = ($record{"resource.$partid.$respid.$origin"});
173: }
174: }
175: foreach my $file (@files) {
176: if ($origin eq 'portfiles') {
177: $file = $port_url.$file;
178: }
179: my ($file_name_only) = ($file =~ m{.*/([^/]+)$});
1.40 raeburn 180: if ($manifest) {
181: print MANIFEST ("\t$file_name_only (".&mt("Part [_1]",$partid).
182: ") (".&mt("Response [_1]",$respid).")"."\n");
183: }
1.38 raeburn 184: $submission_count ++;
185: &Apache::lonnet::repcopy($file);
186: my $source = &Apache::lonnet::filelocation("",$file);
187: my $destination = "$doc_zip_root/zipdir/$unique_user/$unique_path/$stuname$part_resp_path/$file_name_only";
188: if (exists($files_saved{$destination})) {
189: # file has already been saved once
190: my ($file_name,$file_ext) =
191: ($destination =~ /(^.*)(\..+$)/);
192: $destination = $file_name.$files_saved{$destination}.$file_ext;
193: $files_saved{$destination}++;
194: }
1.36 albertel 195: $files_saved{$destination}++;
1.38 raeburn 196: if (!©($source,$destination)) {
197: if (!$file_problem) {
198: print('<br /><span class="LC_error">'.&mt("Unable to create: ")."</span><br />");
199: $file_problem = 1;
200: }
201: print('<span class="LC_filename">'."$stuname/part$partid/resp$respid/$file_name_only".'</span><br />');
1.19 banghart 202: }
1.14 banghart 203: }
204: }
1.2 banghart 205: }
1.1 banghart 206: }
1.40 raeburn 207: if ((!$submission_count) && ($manifest)) {
1.34 banghart 208: print MANIFEST ("\t".&mt("No Files Submitted")."\n");
1.33 banghart 209: }
1.1 banghart 210: }
1.41 raeburn 211: if ($manifest) {
212: close(MANIFEST);
213: }
214: my $madezip;
215: unless (-d "$doc_zip_root/zipout/$unique_user") {
216: &File::Path::mkpath($doc_zip_root."/zipout/$unique_user",0,0700);
217: }
218: if ((-d "$doc_zip_root/zipout/$unique_user") &&
219: (-d "$doc_zip_root/zipdir/$unique_user/$unique_path")) {
220: if (!-e "$doc_zip_root/zipout/$unique_user/$zipout") {
221: my $zip = Archive::Zip->new();
222: $zip->addTree("$doc_zip_root/zipdir/$unique_user/$unique_path");
223: if ($zip->writeToFileNamed("$doc_zip_root/zipout/$unique_user/$zipout") == AZ_OK) {
224: $madezip = 1;
225: }
226: } else {
227: $madezip = 1;
228: # should happen only if user reloads page
229: &Apache::lonnet::logthis("$zipout is already there");
230: }
231: &File::Path::remove_tree("$doc_zip_root/zipdir/$unique_user/$unique_path",{ safe => 1, });
1.23 banghart 232: }
1.26 banghart 233: &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state);
1.41 raeburn 234: if ($madezip) {
235: print('<p><a href="/zipspool/zipout/'.$unique_user.'/'.$zipout.'">'.
236: &mt("Click to download").'</a></p><br />');
237: } else {
238: print('<p class="LC_error">'.
239: &mt('Failed to create zip archive of student submissions').
240: '</p>');
1.40 raeburn 241: }
1.4 banghart 242: } else {
1.41 raeburn 243: print('<p class="LC_error">'.
244: &mt('You are not authorized to download student submissions.').
245: '</p>');
1.1 banghart 246: }
1.40 raeburn 247: unless ($nocookie) {
248: print(&Apache::loncommon::end_page());
249: }
1.6 banghart 250: 1;
251: __END__;
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