--- loncom/cgi/decompress.pl 2003/10/18 17:42:45 1.2 +++ loncom/cgi/decompress.pl 2008/11/28 20:42:20 1.17 @@ -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). # @@ -28,56 +29,75 @@ # 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 Apache::lonnet; +use Apache::lonlocal; +use LONCAPA::loncgi; -if(! &LONCAPA::loncgi::check_cookie_and_load_env()){ - print "Content-type: text/html\n\n"; - print <<END; - NO COOKIE! -END -} -else -{ - $url = $ENV{'HTTP_REFERER'}; - $url =~ m|/{2}|; - $url = $'; - $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"; +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; } - else - { - $url = $'; - $url =~ m|$ENV{'user.name'}/{1}|; - $url = $'; - $url =~ m|\?{1}|; - $url = $`; - $path ="/home/$ENV{'user.name'}/public_html/"; - $back_path = ""; - while($url =~ m|/|) - { - $path .= $`; - $back_path .= $`; - $path .= "/"; - $back_path .= "/"; - $url = $'; - } - 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("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 => 'Bad Environment!', + outo => 'Output of decompress:', + comp => 'Decompress complete.', + erro => 'An error occurred', + ); + my $file=$Apache::lonnet::env{'cgi.file'}; + my $dir=$Apache::lonnet::env{'cgi.dir'}; + if(! $file || ! $dir) { + print(<<END); + <html><body><span class="LC_error">$lt{'bade'}</span></body></html> +END + } else { + print(<<END); + <html><body><p><b>$lt{'outo'}</b></p> +END + chdir($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 = ($location_of{'tar'},"-xpvf"); + } else { + print('<span class="LC_error">'.&Apache::lonlocal::mt('There has been an error in determining the file type of [_1], please check the name',$file).'</span>'); + } + if (@cmd) { + undef($!); + undef($@); + open(OUTPUT,"-|", @cmd, $file); + while (my $line = <OUTPUT>) { print("$line<br />"); } + close(OUTPUT); + print("<p><b>$lt{'comp'}</b></p>"); + if ($! || $@) { + print('<p><span class="LC_error">'.$lt{'erro'}.'<br />'.$!.'<br />'.$@.'</span></p>'); + } } - + print('</body></html>'); + } } -print "Content-type: text/html\n\n"; -print '<META http-equiv="refresh" content="0; URL='; -print "http://$ENV{'SERVER_NAME'}/~$ENV{'user.name'}/$back_path"; print '" >'; \ No newline at end of file +