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File:  [LON-CAPA] / loncom / cgi / decompress.pl
Revision 1.6: download - view: text, annotated - select for diffs
Tue Nov 18 04:07:49 2003 UTC (20 years, 6 months ago) by taceyjo1
Branches: MAIN
CVS tags: HEAD
Tabinated, started to rewrite the reg'exps to be more sane, should be done soon

    1: #!/usr/bin/perl
    2: #
    3: # 
    4: # Copyright Michigan State University Board of Trustees
    5: # $Id: 
    6: #
    7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    8: #
    9: # LON-CAPA is free software; you can redistribute it and/or modify
   10: # it under the terms of the GNU General Public License as published by
   11: # the Free Software Foundation; either version 2 of the License, or
   12: # (at your option) any later version.
   13: #
   14: # LON-CAPA is distributed in the hope that it will be useful,
   15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   17: # GNU General Public License for more details.
   18: #
   19: # You should have received a copy of the GNU General Public License
   20: # along with LON-CAPA; if not, write to the Free Software
   21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   22: #
   23: # /home/httpd/cgi-bin/decompress.pl
   24: #
   25: # http://www.lon-capa.org/
   26: #
   27: # The LearningOnline Network with CAPA
   28: #
   29: # A CGI script that decompresses compressed files for mass uploading into
   30: # construction space
   31: ####
   32: 
   33: #Things still todo, 
   34: #It has been tabinated
   35: #Now uses strict! with added feature of making everything very strict!
   36: #about 50% through rewriting things to use split and join
   37: #still have a lot of debugging statements that will go away after I get it to work ok(along with all the <br>'s)
   38: #still have to rewrite the refresh tag to work right, its broken
   39: #the whole thing is broken right now
   40: #will rename the variables and reorder most of the script to make it more sane
   41: #improve the general readability of the whole thing, because unlike C everyone gets to look at it, so it has to be readable
   42: #will get to it tommorrow night as I have a calc test to "pass" yea, or something like that :0)
   43: use lib '/home/httpd/lib/perl';
   44: use LONCAPA::Configuration;
   45: use LONCAPA::loncgi();
   46: use Apache::lonnet;
   47: use strict; 
   48: 
   49: if(! &LONCAPA::loncgi::check_cookie_and_load_env()){
   50:     print "Content-type: text/html\n\n";
   51:     print <<END;
   52: 	 <html><body>NO COOKIE!</body></html>
   53: END
   54: } else {my $username;
   55:     	print "Content-type: text/html\n\n";
   56: 	print "<html><head></head><body>";
   57: 	my $path = $ENV{'cgi.path'};
   58: 	$path =~ m|/{1}|;
   59: 	$path = $'; #' stupid emacs
   60: 	$path =~ m|/{1}|;
   61: 	$path = $';
   62: 	my (@right) = split(/\./,$ENV{'request.role'});
   63: 	my $role = shift(@right);
   64: 	my $temp = shift(@right);
   65: 	my (@left) = split(/\/+/,$temp);;
   66: 	shift(@left);
   67: 	shift(@left);
   68: 	$temp = shift(@left);
   69: 	print "temp: $temp";
   70: 	my $path2 = "/home/$username/public_html/";
   71: 	$path2 .=$path;
   72: 	my $back_path = "";
   73: 	while($path =~ m|/|) {
   74: 		    $back_path .= $`;
   75: 		    $back_path .= "/";
   76: 		    $path = $'; #' stupid emacs
   77: 	}
   78: 	$path .= '/';
   79: 	$path .= $back_path;
   80: 	print "<br>path: $path<br>";
   81: 	print "back_path: $back_path <br>";
   82: 	print "path2: $path2 <br>";
   83: 	print "$path2<br>";
   84: 	if ( -r $path2){
   85: 		print "Good read access is allowed";
   86: 		print "<br><br>";
   87: 		print "<br><br>right: $role";
   88: 		my $filename = $ENV{'cgi.file'};
   89: 		if($role eq "ca" || $role eq "au") {
   90: 		chdir $path;
   91: 		if      ($filename =~ m|zip|) {
   92: 			    system "unzip -qq $path2 &> /dev/null";
   93: 		} elsif ($filename =~ m|tar.gz|) {
   94: 			    system "tar -zxpvf $path2 &> /dev/null";
   95: 		} elsif ($filename =~ m|tar.bz2|){
   96: 			   system "tar -jxpvf $path2 &> /dev/null";
   97: 		} elsif ($filename =~ m|bz2|){
   98: 			    system "bunzip2 $path2 &> /dev/null";
   99: 		} elsif ($filename =~ m|tgz|){
  100: 			    system "tar -zxpvf $path2 &> /dev/null";
  101: 		} elsif ($filename =~ m|gz|){
  102: 			    system "gunzip $path2 &> /dev/null";
  103: 		} elsif ($filename =~ m|tar|){
  104: 			    system "tar -xpvf $path2 &> /dev/null";
  105: 		}
  106: 		} 
  107: 		else {print "You don't have proper privledges";}
  108: 	}
  109: 	else { print "Read access not allowed!"; }
  110: 	#print '<meta http-equiv="refresh" content="0; URL=';
  111: 	#print "http://$ENV{'SERVER_NAME'}/~$username'}/$back_path"; print '" />';
  112: 	print '</body></html>';
  113: 	&Apache::lonnet::delenv('cgi.file');
  114: 	&Apache::lonnet::delenv('cgi.path');
  115: }
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