--- loncom/cgi/decompress.pl 2003/10/20 15:51:51 1.3 +++ loncom/cgi/decompress.pl 2006/05/05 21:07:19 1.16 @@ -1,7 +1,8 @@ #!/usr/bin/perl # -# +# # Copyright Michigan State University Board of Trustees +# $Id # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # @@ -28,60 +29,67 @@ # A CGI script that decompresses compressed files for mass uploading into # construction space #### +use strict; use lib '/home/httpd/lib/perl'; -use LONCAPA::Configuration; -use LONCAPA::loncgi(); +use LONCAPA::loncgi; -if(! &LONCAPA::loncgi::check_cookie_and_load_env()){ - print "Content-type: text/html\n\n"; - print <NO COOKIE! +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; + } + } +} + +if (!&LONCAPA::loncgi::check_cookie_and_load_env()) { + print("Content-type: text/html\n\n"); + print(<NO COOKIE! END } else { - $url = $ENV{'HTTP_REFERER'}; - $url =~ m|/{2}|; - $url = $'; #' stupid emacs - $url =~ m|/{1}|; - $referer = $`; - if($referer ne $ENV{'SERVER_NAME'}) { - print "Content-type: text/html\n\n"; - print "You are trying something that is not allowed, go to the real homeserver and try again"; + 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(<Bad Enviroment! +END } else { - $url = $'; #' stupid emacs - $url =~ m|$ENV{'user.name'}/{1}|; - $url = $'; #' stupid emacs - $url =~ m|\?{1}|; - $url = $`; - $path ="/home/$ENV{'user.name'}/public_html/"; - $back_path = ""; - while($url =~ m|/|) { - $path .= $`; - $back_path .= $`; - $path .= "/"; - $back_path .= "/"; - $url = $'; #' stupid emacs - } - chdir $path; - $filename=$url; - if ($url =~ m|zip|) { - system "unzip -qq $filename &> /dev/null"; - } elsif ($url =~ m|tar.gz|) { - system "tar -zxpvf $filename &> /dev/null"; - } elsif ($url =~ m|tar.bz2|){ - system "tar -jxpvf $filename &> /dev/null"; - } elsif ($url =~ m|bz2|){ - system "bunzip2 $filename &> /dev/null"; - } elsif ($url =~ m|tgz|){ - system "tar -zxpvf $filename &> /dev/null"; - } elsif ($url =~ m|gz|){ - system "gunzip $filename &> /dev/null"; - } elsif ($url =~ m|tar|){ - system "tar -xpvf $filename &> /dev/null"; + print(<

Output of decompress:

+END + chdir($dir); + my @cmd; + if ($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"); + } 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 (my $line = ) { print("$line
"); } + close(OUTPUT); + print("

Decompress complete.

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

An error occurred

$!

$@

"); + } + print(""); } } } -print "Content-type: text/html\n\n"; -print '' -print ''; -print ''; +