Annotation of loncom/cgi/decompress.pl, revision 1.16
1.1 taceyjo1 1: #!/usr/bin/perl
2: #
1.7 taceyjo1 3: #
1.1 taceyjo1 4: # Copyright Michigan State University Board of Trustees
1.8 taceyjo1 5: # $Id
1.1 taceyjo1 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
31: ####
1.7 taceyjo1 32: use strict;
1.1 taceyjo1 33: use lib '/home/httpd/lib/perl';
1.13 albertel 34: use LONCAPA::loncgi;
35:
1.16 ! albertel 36: my %location_of;
! 37: foreach my $program ('tar','gunzip','bunzip2','unzip') {
! 38: foreach my $dir ('/bin/','/usr/bin/','/usr/local/bin/','/sbin/',
! 39: '/usr/sbin/') {
! 40: if (-x $dir.$program) {
! 41: $location_of{$program} = $dir.$program;
! 42: }
! 43: }
! 44: }
! 45:
! 46: if (!&LONCAPA::loncgi::check_cookie_and_load_env()) {
! 47: print("Content-type: text/html\n\n");
! 48: print(<<END);
1.7 taceyjo1 49: <html><body>NO COOKIE!</body></html>
1.3 albertel 50: END
1.9 albertel 51: } else {
1.7 taceyjo1 52: print "Content-type: text/html\n\n";
1.14 albertel 53: my $file=$Apache::lonnet::env{'cgi.file'};
54: my $dir=$Apache::lonnet::env{'cgi.dir'};
1.12 albertel 55: if(! $file || ! $dir) {
1.15 albertel 56: print(<<END);
1.7 taceyjo1 57: <html><body>Bad Enviroment!</body></html>
58: END
1.9 albertel 59: } else {
1.15 albertel 60: print(<<END);
61: <html><body><p><b>Output of decompress:</b></p>
1.7 taceyjo1 62: END
1.15 albertel 63: chdir($dir);
64: my @cmd;
65: if ($file =~ m|\.zip$|) {
1.16 ! albertel 66: @cmd = ($location_of{'unzip'},"-o");
! 67: } elsif ($file =~ m|\.tar\.gz$|
! 68: || $file =~ m|\.tgz$| ) {
! 69: @cmd = ($location_of{'tar'},"-zxpvf");
1.15 albertel 70: } elsif ($file =~ m|\.tar\.bz2$|) {
1.16 ! albertel 71: @cmd = ($location_of{'tar'},"-jxpvf");
1.15 albertel 72: } elsif ($file =~ m|\.bz2$|) {
1.16 ! albertel 73: @cmd = ($location_of{'bunzip2'});
1.15 albertel 74: } elsif ($file =~ m|\.gz$|) {
1.16 ! albertel 75: @cmd = ($location_of{'gunzip'});
1.15 albertel 76: } elsif ($file =~ m|\.tar$|) {
1.16 ! albertel 77: @cmd = ($location_of{'tar'},"-xpvf");
1.9 albertel 78: } else {
1.15 albertel 79: print("There has been an error in determining the file type of $file, please check name");
1.7 taceyjo1 80: }
1.15 albertel 81: if (@cmd) {
82: undef($!);
83: undef($@);
84: open(OUTPUT,"-|", @cmd, $file);
1.16 ! albertel 85: while (my $line = <OUTPUT>) { print("$line<br />"); }
1.15 albertel 86: close(OUTPUT);
87: print("<p><b>Decompress complete.</b></p>");
88: if ($! || $@) {
89: print("<p><b>An error occurred</b></p><p>$!</p><p>$@</p>");
90: }
91: print("</body></html>");
92: }
1.7 taceyjo1 93: }
94: }
95:
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