108 lines
2.6 KiB
Perl
Executable file
108 lines
2.6 KiB
Perl
Executable file
#!/usr/bin/perl
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# This file is part of sakisafe.
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# sakisafe 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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# sakisafe 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 sakisafe. 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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my $url = $q->param('url');
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my $upload_dir = "files/";
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$size = $ENV{CONTENT_LENGTH};
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# Configuration
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our $MAX_SIZE = 1024*1024*100; # 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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print $q->header();
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# do something better
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if ($url ne "") {
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goto url_shorter;
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}
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if ($filename eq "" || $ENV{REQUEST_METHOD} eq "GET") {
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print("What are you looking for?");
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exit;
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}
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if ($filename) {
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if ($size > $MAX_SIZE) {
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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 @chars = ("A"..."z","a"..."z");
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my $dirname;
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my $extension = $filename;
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$dirname .= $chars[rand @chars] for 1..8;
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$extension =~ s/.*\.//;
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$filename .= ".notcgi" if $extension eq "cgi";
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mkdir("$upload_dir/$dirname");
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my $upload_filehandle = $q->upload("file");
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# onion urls will be http
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my $prot = length $ENV{HTTPS} ? "https" : "http";
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my $allowed_extension = 1;
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foreach (@not_allowed_extensions) {
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if ($filename =~ /\.$_$/i) {
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$allowed_extension = 0;
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last;
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}
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}
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if ($filename eq "-") {
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$filename .= ".txt"; # for pastes
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}
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if ($allowed_extension) {
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open(FILE,">$upload_dir/$dirname/$filename");
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binmode(FILE);
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while (<$upload_filehandle>) {
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print FILE;
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}
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close FILE;
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$filename =~ s/ /%20/g;
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print $prot. "://" . $ENV{HTTP_HOST} . "/$upload_dir$dirname/$filename" . "\n";
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} else {
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print "The file extension .$extension is not allowed in this instance.";
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}
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exit;
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} elsif ($url != "" && !$filename) {
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url_shorter:
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my $template = "<meta http-equiv=\"Refresh\" content=\"0; url='$url'\"/>";
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my @chars = ("A"..."z","a"..."z",1..9);
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my $dirname;
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$dirname .= $chars[rand @chars] for 1..4;
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mkdir($dirname);
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open(my $fh, ">$dirname/index.html");
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print $fh $template;
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my $prot = length $ENV{HTTPS} ? "https" : "http";
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print $prot. "://" . $ENV{HTTP_HOST} . "/$dirname" . "\n";
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exit;
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}
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