webgui/lib/WebGUI/Content/Prefetch.pm

56 lines
1.3 KiB
Perl

package WebGUI::Content::Prefetch;
=head1 LEGAL
-------------------------------------------------------------------
WebGUI is Copyright 2001-2009 Plain Black Corporation.
-------------------------------------------------------------------
Please read the legal notices (docs/legal.txt) and the license
(docs/license.txt) that came with this distribution before using
this software.
-------------------------------------------------------------------
http://www.plainblack.com info@plainblack.com
-------------------------------------------------------------------
=cut
use strict;
=head1 NAME
Package WebGUI::Content::Prefetch
=head1 DESCRIPTION
A content handler that prevents prefetching browsers.
=head1 SYNOPSIS
use WebGUI::Content::Prefetch;
my $output = WebGUI::Content::Prefetch::handler($session);
=head1 SUBROUTINES
These subroutines are available from this package:
=cut
#-------------------------------------------------------------------
=head2 handler ( session )
The content handler for this package.
=cut
sub handler {
my ($session) = @_;
if ($session->request->env->{"HTTP_X_MOZ"} eq "prefetch") { # browser prefetch is a bad thing
$session->http->setStatus(403);
}
return undef;
}
1;