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Annotation of loncom/cgi/decompress.pl, revision 1.3

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()){
1.3     ! albertel   36:     print "Content-type: text/html\n\n";
        !            37:     print <<END;
        !            38: 	 <html><body>NO COOKIE!</body></html>
        !            39: END
        !            40: } else {
        !            41:     $url = $ENV{'HTTP_REFERER'};
        !            42:     $url =~ m|/{2}|;
        !            43:     $url = $'; #' stupid emacs
        !            44:     $url =~ m|/{1}|;
        !            45:     $referer = $`;
        !            46:     if($referer ne $ENV{'SERVER_NAME'}) {
1.1       taceyjo1   47: 	print "Content-type: text/html\n\n";
1.3     ! albertel   48: 	print "<html><body>You are trying something that is not allowed, go to the real homeserver and try again</body></html>";
        !            49:     } else {
        !            50: 	$url = $'; #' stupid emacs	
        !            51: 	$url =~ m|$ENV{'user.name'}/{1}|;
        !            52: 	$url = $'; #' stupid emacs
        !            53: 	$url =~ m|\?{1}|;
        !            54: 	$url = $`;
        !            55: 	$path ="/home/$ENV{'user.name'}/public_html/";
        !            56: 	$back_path = "";
        !            57: 	while($url =~ m|/|) {
        !            58: 	    $path .= $`;
        !            59: 	    $back_path .= $`;
        !            60: 	    $path .= "/";
        !            61: 	    $back_path .= "/";
        !            62: 	    $url = $'; #' stupid emacs
1.1       taceyjo1   63: 	}
1.3     ! albertel   64: 	chdir $path;
        !            65: 	$filename=$url;
        !            66: 	if      ($url =~ m|zip|) {
        !            67: 	    system "unzip -qq $filename &> /dev/null";
        !            68: 	} elsif ($url =~ m|tar.gz|) {
        !            69: 	    system "tar -zxpvf $filename &> /dev/null";
        !            70: 	} elsif ($url =~ m|tar.bz2|){
        !            71: 	    system "tar -jxpvf $filename &> /dev/null";
        !            72: 	} elsif ($url =~ m|bz2|){
        !            73: 	    system "bunzip2 $filename &> /dev/null";
        !            74: 	} elsif ($url =~ m|tgz|){
        !            75: 	    system "tar -zxpvf $filename &> /dev/null";
        !            76: 	} elsif ($url =~ m|gz|){
        !            77: 	    system "gunzip $filename &> /dev/null";
        !            78: 	} elsif ($url =~ m|tar|){
        !            79: 	    system "tar -xpvf $filename &> /dev/null";
1.1       taceyjo1   80: 	}
1.3     ! albertel   81:     }
1.1       taceyjo1   82: }
                     83: print "Content-type: text/html\n\n";
1.3     ! albertel   84: print '<html><head>'
        !            85: print '<meta http-equiv="refresh" content="0; URL=';
        !            86: print "http://$ENV{'SERVER_NAME'}/~$ENV{'user.name'}/$back_path"; print '" />';
        !            87: print '</head></html>';
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