Annotation of loncom/cgi/decompress.pl, revision 1.16

1.1       taceyjo1    1: #!/usr/bin/perl
                      2: #
1.7       taceyjo1    3: #
1.1       taceyjo1    4: # Copyright Michigan State University Board of Trustees
1.8       taceyjo1    5: # $Id
1.1       taceyjo1    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: ####
1.7       taceyjo1   32: use strict;
1.1       taceyjo1   33: use lib '/home/httpd/lib/perl';
1.13      albertel   34: use LONCAPA::loncgi;
                     35: 
1.16    ! albertel   36: my %location_of;
        !            37: foreach my $program ('tar','gunzip','bunzip2','unzip') {
        !            38:     foreach my $dir ('/bin/','/usr/bin/','/usr/local/bin/','/sbin/',
        !            39: 		     '/usr/sbin/') {
        !            40: 	if (-x $dir.$program) {
        !            41: 	    $location_of{$program} = $dir.$program;
        !            42: 	}
        !            43:     }
        !            44: }
        !            45: 
        !            46: if (!&LONCAPA::loncgi::check_cookie_and_load_env()) {
        !            47:     print("Content-type: text/html\n\n");
        !            48:     print(<<END);
1.7       taceyjo1   49:     <html><body>NO COOKIE!</body></html>
1.3       albertel   50: END
1.9       albertel   51: } else {
1.7       taceyjo1   52:     print "Content-type: text/html\n\n";
1.14      albertel   53:     my $file=$Apache::lonnet::env{'cgi.file'};
                     54:     my $dir=$Apache::lonnet::env{'cgi.dir'}; 
1.12      albertel   55:     if(! $file || ! $dir) {
1.15      albertel   56:         print(<<END);
1.7       taceyjo1   57:         <html><body>Bad Enviroment!</body></html>
                     58: END
1.9       albertel   59:     } else {
1.15      albertel   60:         print(<<END);
                     61: 	<html><body><p><b>Output of decompress:</b></p>
1.7       taceyjo1   62: END
1.15      albertel   63:         chdir($dir);
                     64: 	my @cmd;
                     65:         if ($file =~ m|\.zip$|) {
1.16    ! albertel   66:             @cmd = ($location_of{'unzip'},"-o");
        !            67:         } elsif ($file =~ m|\.tar\.gz$|
        !            68: 		 || $file =~ m|\.tgz$| ) {
        !            69:             @cmd = ($location_of{'tar'},"-zxpvf");
1.15      albertel   70:         } elsif ($file =~ m|\.tar\.bz2$|) {
1.16    ! albertel   71:             @cmd = ($location_of{'tar'},"-jxpvf");
1.15      albertel   72:         } elsif ($file =~ m|\.bz2$|) {
1.16    ! albertel   73:             @cmd = ($location_of{'bunzip2'});
1.15      albertel   74:         } elsif ($file =~ m|\.gz$|) {
1.16    ! albertel   75: 	    @cmd = ($location_of{'gunzip'});
1.15      albertel   76:         } elsif ($file =~ m|\.tar$|) {
1.16    ! albertel   77:             @cmd = ($location_of{'tar'},"-xpvf");
1.9       albertel   78:         } else {
1.15      albertel   79:             print("There has been an error in determining the file type of $file, please check name");
1.7       taceyjo1   80:         }
1.15      albertel   81: 	if (@cmd) {
                     82: 	    undef($!);
                     83: 	    undef($@);
                     84: 	    open(OUTPUT,"-|", @cmd, $file);
1.16    ! albertel   85: 	    while (my $line = <OUTPUT>) { print("$line<br />"); }
1.15      albertel   86: 	    close(OUTPUT);
                     87: 	    print("<p><b>Decompress complete.</b></p>");
                     88: 	    if ($! || $@) {
                     89: 		print("<p><b>An error occurred</b></p><p>$!</p><p>$@</p>");
                     90: 	    }
                     91: 	    print("</body></html>");
                     92: 	}
1.7       taceyjo1   93:     }
                     94: }
                     95: 

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