Annotation of loncom/cgi/decompress.pl, revision 1.2

1.1       taceyjo1    1: #!/usr/bin/perl
                      2: #
                      3: # 
                      4: # Copyright Michigan State University Board of Trustees
                      5: #
                      6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      7: #
                      8: # LON-CAPA is free software; you can redistribute it and/or modify
                      9: # it under the terms of the GNU General Public License as published by
                     10: # the Free Software Foundation; either version 2 of the License, or
                     11: # (at your option) any later version.
                     12: #
                     13: # LON-CAPA is distributed in the hope that it will be useful,
                     14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     16: # GNU General Public License for more details.
                     17: #
                     18: # You should have received a copy of the GNU General Public License
                     19: # along with LON-CAPA; if not, write to the Free Software
                     20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     21: #
                     22: # /home/httpd/cgi-bin/decompress.pl
                     23: #
                     24: # http://www.lon-capa.org/
                     25: #
                     26: # The LearningOnline Network with CAPA
                     27: #
                     28: # A CGI script that decompresses compressed files for mass uploading into
                     29: # construction space
                     30: ####
                     31: use lib '/home/httpd/lib/perl';
                     32: use LONCAPA::Configuration;
                     33: use LONCAPA::loncgi();
                     34: 
                     35: if(! &LONCAPA::loncgi::check_cookie_and_load_env()){
                     36: 	print "Content-type: text/html\n\n";
                     37: 	 print <<END;
                     38: 	 NO COOKIE!
                     39: END
                     40: }
                     41: else
                     42: {
                     43: 	$url = $ENV{'HTTP_REFERER'};
                     44: 	$url =~ m|/{2}|;
                     45: 	$url = $';
                     46: 	$url =~ m|/{1}|;
                     47: 	$referer = $`;
                     48: 	if($referer ne $ENV{'SERVER_NAME'})
                     49: 	{	print "Content-type: text/html\n\n";
                     50: 		print "You are trying something that is not allowed, go to the real homeserver and try again";
                     51: 	}
                     52: 	else
                     53: 	{
                     54: 		$url = $';	
                     55: 		$url =~ m|$ENV{'user.name'}/{1}|;
                     56: 		$url = $';
                     57: 		$url =~ m|\?{1}|;
                     58: 		$url = $`;
                     59: 		$path ="/home/$ENV{'user.name'}/public_html/";
                     60: 		$back_path = "";
                     61: 		while($url =~ m|/|)
                     62: 		{
                     63: 			$path .= $`;
                     64: 			$back_path .= $`;
                     65: 			$path .= "/";
                     66: 			$back_path .= "/";
                     67: 			$url = $';
                     68: 		}
                     69: 		chdir $path;
                     70: 		$filename=$url;
                     71: 		if($url =~ m|zip|){system "unzip -qq $filename &> /dev/null";}
                     72: 		elsif($url =~ m|tar.gz|){system "tar -zxpvf $filename &> /dev/null";}
                     73: 		elsif($url =~ m|tar.bz2|){system "tar -jxpvf $filename &> /dev/null";}
                     74: 		elsif($url =~ m|bz2|){system "bunzip2 $filename &> /dev/null";}
                     75: 		elsif($url =~ m|tgz|){system "tar -zxpvf $filename &> /dev/null";}
                     76: 		elsif($url =~ m|gz|){system "gunzip $filename &> /dev/null";}
                     77: 		elsif($url =~ m|tar|){system "tar -xpvf $filename &> /dev/null";}
                     78: 	}
                     79: 	
                     80: }
                     81: print "Content-type: text/html\n\n";
                     82: print '<META http-equiv="refresh" content="0; URL=';
1.2     ! taceyjo1   83: print "http://$ENV{'SERVER_NAME'}/~$ENV{'user.name'}/$back_path"; print '" >'; 

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