#!/usr/bin/perl # # $Id: decompress.pl,v 1.18 2012/04/19 02:13:00 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # # 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 or into a course. #### use strict; use lib '/home/httpd/lib/perl'; use Apache::lonnet; use Apache::lonlocal; use LONCAPA::loncgi; my %location_of; foreach my $program ('tar','gunzip','bunzip2','unzip') { foreach my $dir ('/bin/','/usr/bin/','/usr/local/bin/','/sbin/', '/usr/sbin/') { if (-x $dir.$program) { $location_of{$program} = $dir.$program; } } } print("Content-type: text/html\n\n"); if (!&LONCAPA::loncgi::check_cookie_and_load_env()) { &Apache::lonlocal::get_language_handle(); print(&LONCAPA::loncgi::missing_cookie_msg()); } else { &Apache::lonlocal::get_language_handle(); my %lt = &Apache::lonlocal::texthash ( bade => 'Invalid file or directory name', outo => 'Output of decompress:', comp => 'Decompress complete.', erro => 'An error occurred.', extf => 'Extraction failed.', ); my $file=$Apache::lonnet::env{'cgi.file'}; my $dir=$Apache::lonnet::env{'cgi.dir'}; if (!$file || !$dir) { print(<$lt{'extf'} $lt{'bade'} END } elsif (!-d $dir) { print(''.$lt{'extf'}.' '."\n". &Apache::lonlocal::mt('The specified directory "[_1]" is invalid.',$dir). ''); } else { my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'}; my $lonuserroot = $Apache::lonnet::perlvar{'lonUsersDir'}; if (($dir !~ /^\Qlondocroot\E/) && ($dir !~ /^\Q$lonuserroot\E/)) { print(''.$lt{'extf'}.'
'."\n". &Apache::lonlocal::mt('The specified directory "[_1]" is invalid',$dir). ''); } elsif (chdir($dir)) { if (-e $file) { print(<

$lt{'outo'}

END my @cmd; if ($file =~ m|\.zip$|) { @cmd = ($location_of{'unzip'},"-o"); } elsif ($file =~ m|\.tar\.gz$| || $file =~ m|\.tgz$| ) { @cmd = ($location_of{'tar'},"-zxpvf"); } elsif ($file =~ m|\.tar\.bz2$|) { @cmd = ($location_of{'tar'},"-jxpvf"); } elsif ($file =~ m|\.bz2$|) { @cmd = ($location_of{'bunzip2'}); } elsif ($file =~ m|\.gz$|) { @cmd = ($location_of{'gunzip'}); } elsif ($file =~ m|\.tar$|) { @cmd = ($location_of{'tar'},"-xpvf"); } if (@cmd) { undef($!); undef($@); open(OUTPUT,"-|", @cmd, $file); while (my $line = ) { print("$line
"); } close(OUTPUT); print("

$lt{'comp'}

"); if ($! || $@) { print('

'.$lt{'erro'}.'
'.$!."\n". '
'.$@.'

'); } else { &Apache::lonnet::appenv({'cgi.decompressed' => 'ok'}); } } else { print(''. &Apache::lonlocal::mt('There has been an error in determining the file type of [_1], please check the name.',$file).''); } print(''); } else { print(''.$lt{'extf'}.'
'."\n". &Apache::lonlocal::mt('The specified file "[_1]" does not exist.',$file). ''); } } else { print(''.$lt{'extf'}.'
'."\n". &Apache::lonlocal::mt('Could not change working directory to "[_1]".',$dir). ''); } } }