88 lines
1.9 KiB
Perl
Executable file
88 lines
1.9 KiB
Perl
Executable file
#!/usr/bin/perl
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# This file is part of lainsafe.
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# lainsafe is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# lainsafe is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with lainsafe. If not, see <https://www.gnu.org/licenses/>.
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use CGI;
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use CGI::Carp qw(fatalsToBrowser);
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my $q = CGI->new;
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my $filename = $q->param('file');
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# TODO: fix 502
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my $upload_dir = "files/";
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print $q->header();
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$size = $ENV{CONTENT_LENGTH};
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# Configuration
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our $MAX_SIZE = 1024*1024*10; # Change for your size
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our $MAX_SIZE_MB = $MAX_SIZE / 1024 / 1024; # Don't change this
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our @not_allowed_extensions = qw(sh out exe);
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if($filename eq "")
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{
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print("What are you looking for?");
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exit;
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}
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if($size > $MAX_SIZE)
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{
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print("Max size for a file is $MAX_SIZE_MB MBs");
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exit;
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}
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my $extension = $filename;
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$extension =~ s/.*\.//; # tar.gz sucks with this
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# Generate random string
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my @chars = ("A".."Z", "a".."z");
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my $string;
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$string .= $chars[rand @chars] for 1..8;
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my $upload_filehandle = $q->upload("file");
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$filename = $string . "." . $extension;
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my $allowed_extension = 1;
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foreach(@not_allowed_extensions)
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{
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if($filename =~ /\.$_$/i)
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{
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$allowed_extension = 0;
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last;
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}
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}
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if($allowed_extension)
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{
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open(FILE,">$upload_dir/$filename");
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binmode(FILE);
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while(<$upload_filehandle>)
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{
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print FILE;
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}
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close FILE;
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print $ENV{HTTP_REFERER} . "$upload_dir$filename";
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}
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else
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{
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print "The file extension .$extension is not allowed in this instance.";
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}
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