#!/usr/bin/perl
#
#
# Copyright Michigan State University Board of Trustees
# $Id
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/cgi-bin/decompress.pl
#
# http://www.lon-capa.org/
#
# The LearningOnline Network with CAPA
#
# A CGI script that decompresses compressed files for mass uploading into
# construction space
####
use strict;
use lib '/home/httpd/lib/perl';
use LONCAPA::loncgi;
if(! &LONCAPA::loncgi::check_cookie_and_load_env()) {
print "Content-type: text/html\n\n";
print <<END;
<html><body>NO COOKIE!</body></html>
END
} else {
print "Content-type: text/html\n\n";
my $file=$Apache::lonnet::env{'cgi.file'};
my $dir=$Apache::lonnet::env{'cgi.dir'};
if(! $file || ! $dir) {
print(<<END);
<html><body>Bad Enviroment!</body></html>
END
} else {
print(<<END);
<html><body><p><b>Output of decompress:</b></p>
END
chdir($dir);
my @cmd;
if ($file =~ m|\.zip$|) {
@cmd = ("/usr/bin/unzip","-o");
} elsif ($file =~ m|\.tar\.gz$|) {
@cmd = ("/usr/bin/tar","-zxpvf");
} elsif ($file =~ m|\.tar\.bz2$|) {
@cmd = ("/usr/bin/tar","-jxpvf");
} elsif ($file =~ m|\.bz2$|) {
@cmd = ("/usr/bin/bunzip2");
} elsif ($file =~ m|\.tgz$|) {
@cmd = ("/usr/bin/tar","-zxpvf");
} elsif ($file =~ m|\.gz$|) {
@cmd = ("/usr/bin/gunzip");
} elsif ($file =~ m|\.tar$|) {
@cmd = ("/usr/bin/tar","-xpvf");
} else {
print("There has been an error in determining the file type of $file, please check name");
}
if (@cmd) {
undef($!);
undef($@);
open(OUTPUT,"-|", @cmd, $file);
while (<OUTPUT>) { print "$_<br />"; }
close(OUTPUT);
print("<p><b>Decompress complete.</b></p>");
if ($! || $@) {
print("<p><b>An error occurred</b></p><p>$!</p><p>$@</p>");
}
print("</body></html>");
}
}
}
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