File:
[LON-CAPA] /
loncom /
cgi /
decompress.pl
Revision
1.19:
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Tue Nov 27 11:33:17 2012 UTC (11 years, 5 months ago) by
bisitz
Branches:
MAIN
CVS tags:
version_2_12_X,
version_2_11_X,
version_2_11_4_uiuc,
version_2_11_4_msu,
version_2_11_4,
version_2_11_3_uiuc,
version_2_11_3_msu,
version_2_11_3,
version_2_11_2_uiuc,
version_2_11_2_msu,
version_2_11_2_educog,
version_2_11_2,
version_2_11_1,
version_2_11_0_RC3,
version_2_11_0_RC2,
version_2_11_0_RC1,
version_2_11_0,
HEAD
Corrected typo in rev 1.18 to allow again file decompression in CSTR
1: #!/usr/bin/perl
2: #
3: # $Id: decompress.pl,v 1.19 2012/11/27 11:33:17 bisitz Exp $
4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/cgi-bin/decompress.pl
24: #
25: # http://www.lon-capa.org/
26: #
27: # The LearningOnline Network with CAPA
28: #
29: # A CGI script that decompresses compressed files for mass uploading into
30: # construction space or into a course.
31: ####
32: use strict;
33: use lib '/home/httpd/lib/perl';
34: use Apache::lonnet;
35: use Apache::lonlocal;
36: use LONCAPA::loncgi;
37:
38: my %location_of;
39: foreach my $program ('tar','gunzip','bunzip2','unzip') {
40: foreach my $dir ('/bin/','/usr/bin/','/usr/local/bin/','/sbin/',
41: '/usr/sbin/') {
42: if (-x $dir.$program) {
43: $location_of{$program} = $dir.$program;
44: }
45: }
46: }
47:
48: print("Content-type: text/html\n\n");
49:
50: if (!&LONCAPA::loncgi::check_cookie_and_load_env()) {
51: &Apache::lonlocal::get_language_handle();
52: print(&LONCAPA::loncgi::missing_cookie_msg());
53: } else {
54: &Apache::lonlocal::get_language_handle();
55: my %lt = &Apache::lonlocal::texthash (
56: bade => 'Invalid file or directory name',
57: outo => 'Output of decompress:',
58: comp => 'Decompress complete.',
59: erro => 'An error occurred.',
60: extf => 'Extraction failed.',
61: );
62: my $file=$Apache::lonnet::env{'cgi.file'};
63: my $dir=$Apache::lonnet::env{'cgi.dir'};
64: if (!$file || !$dir) {
65: print(<<END);
66: <html><body><span class="LC_error">$lt{'extf'} $lt{'bade'}</span></body></html>
67: END
68: } elsif (!-d $dir) {
69: print('<html><body><span class="LC_error">'.$lt{'extf'}.' '."\n".
70: &Apache::lonlocal::mt('The specified directory "[_1]" is invalid.',$dir).
71: '</span></body></html>');
72: } else {
73: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
74: my $lonuserroot = $Apache::lonnet::perlvar{'lonUsersDir'};
75: if (($dir !~ /^\Q$londocroot\E/) && ($dir !~ /^\Q$lonuserroot\E/)) {
76: print('<html><body><span class="LC_error">'.$lt{'extf'}.'<br />'."\n".
77: &Apache::lonlocal::mt('The specified directory "[_1]" is invalid',$dir).
78: '</span></body></html>');
79: } elsif (chdir($dir)) {
80: if (-e $file) {
81: print(<<END);
82: <html><body><p><b>$lt{'outo'}</b></p>
83: END
84: my @cmd;
85: if ($file =~ m|\.zip$|) {
86: @cmd = ($location_of{'unzip'},"-o");
87: } elsif ($file =~ m|\.tar\.gz$|
88: || $file =~ m|\.tgz$| ) {
89: @cmd = ($location_of{'tar'},"-zxpvf");
90: } elsif ($file =~ m|\.tar\.bz2$|) {
91: @cmd = ($location_of{'tar'},"-jxpvf");
92: } elsif ($file =~ m|\.bz2$|) {
93: @cmd = ($location_of{'bunzip2'});
94: } elsif ($file =~ m|\.gz$|) {
95: @cmd = ($location_of{'gunzip'});
96: } elsif ($file =~ m|\.tar$|) {
97: @cmd = ($location_of{'tar'},"-xpvf");
98: }
99: if (@cmd) {
100: undef($!);
101: undef($@);
102: open(OUTPUT,"-|", @cmd, $file);
103: while (my $line = <OUTPUT>) { print("$line<br />"); }
104: close(OUTPUT);
105: print("<p><b>$lt{'comp'}</b></p>");
106: if ($! || $@) {
107: print('<p><span class="LC_error">'.$lt{'erro'}.'<br />'.$!."\n".
108: '<br />'.$@.'</span></p>');
109: } else {
110: &Apache::lonnet::appenv({'cgi.decompressed' => 'ok'});
111: }
112: } else {
113: print('<span class="LC_error">'.
114: &Apache::lonlocal::mt('There has been an error in determining the file type of [_1], please check the name.',$file).'</span>');
115: }
116: print('</body></html>');
117: } else {
118: print('<html><body><span class="LC_error">'.$lt{'extf'}.'<br />'."\n".
119: &Apache::lonlocal::mt('The specified file "[_1]" does not exist.',$file).
120: '</span></body></html>');
121: }
122: } else {
123: print('<html><body><span class="LC_error">'.$lt{'extf'}.'<br />'."\n".
124: &Apache::lonlocal::mt('Could not change working directory to "[_1]".',$dir).
125: '</span></body></html>');
126: }
127: }
128: }
129:
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