--- loncom/cgi/decompress.pl 2003/11/19 20:03:05 1.9 +++ loncom/cgi/decompress.pl 2012/11/27 11:33:17 1.19 @@ -1,8 +1,8 @@ #!/usr/bin/perl # +# $Id: decompress.pl,v 1.19 2012/11/27 11:33:17 bisitz Exp $ # # Copyright Michigan State University Board of Trustees -# $Id # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # @@ -27,73 +27,103 @@ # The LearningOnline Network with CAPA # # A CGI script that decompresses compressed files for mass uploading into -# construction space +# construction space or into a course. #### 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 <NO COOKIE! -END +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 { - print "Content-type: text/html\n\n"; - if(! $ENV{'cgi.file'} || ! $ENV{'cgi.dir'}) { - print <Bad Enviroment! + &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 { - print <Output of decompress:

+ my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'}; + my $lonuserroot = $Apache::lonnet::perlvar{'lonUsersDir'}; + if (($dir !~ /^\Q$londocroot\E/) && ($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 - chdir $ENV{'cgi.dir'}; - if ($ENV{'cgi.file'} =~ m|zip|) { - open(OUTPUT, "unzip $ENV{'cgi.file'} 2> /dev/null |"); - while () { - print "$_
"; - } - close(TRACE); - } elsif ($ENV{'cgi.file'} =~ m|tar.gz|) { - open(OUTPUT, "tar -zxpvf $ENV{'cgi.file'} 2> /dev/null |"); - while () { - print "$_
"; - } - close(TRACE); - } elsif ($ENV{'cgi.file'} =~ m|tar.bz2|) { - open(OUTPUT, "tar -jxpvf $ENV{'cgi.file'} 2> /dev/null |"); - while () { - print "$_
"; - } - close(TRACE); - } elsif ($ENV{'cgi.file'} =~ m|bz2|) { - open(OUTPUT, "bunzip2 $ENV{'cgi.file'} 2> /dev/null |"); - while () { - print "$_
"; - } - close(TRACE); - } elsif ($ENV{'cgi.file'} =~ m|tgz|) { - open(OUTPUT, "tar -zxpvf $ENV{'cgi.file'} 2> /dev/null |"); - while () { - print "$_
"; - } - close(TRACE); - } elsif ($ENV{'cgi.file'} =~ m|gz|) { - open(OUTPUT, "gunzip $ENV{'cgi.file'} 2> /dev/null |"); - while () { - print "$_
"; - } - close(TRACE); - } elsif ($ENV{'cgi.file'} =~ m|tar|) { - open(OUTPUT, "tar -xpvf $ENV{'cgi.file'} 2> /dev/null |"); - while () { - print "$_
"; + 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). + ''); } - close(TRACE); } else { - print "There has been an error in determining the file type of $ENV{'cgi.file'}, please check name"; + print(''.$lt{'extf'}.'
'."\n". + &Apache::lonlocal::mt('Could not change working directory to "[_1]".',$dir). + ''); } - print "
Decompress complete!
"; } }