File Coverage

blib/lib/Mojolicious/Plugin/NoReferrer.pm

Criterion	Covered	Total	%
statement	15	15	100.0
branch	4	6	66.6
condition	6	8	75.0
subroutine	4	4	100.0
pod	1	1	100.0
total	30	34	88.2

package Mojolicious::Plugin::NoReferrer;

# ABSTRACT: add meta tag to HTML output to define a referrer policy

use Mojo::Base 'Mojolicious::Plugin';

use Carp qw(croak);

our $VERSION = '0.02';

sub register {
    my ($self, $app, $config) = @_;

    my $value = $config->{content} // 'no-referrer';

    if ( $value ne 'no-referrer' && $value ne 'same-origin' ) {
        croak 'invalid value: ' . $value;
    }

    $app->hook(
        after_render => sub {
            my ($c, $content, $format) = @_;

            return if !$format;
            return if $format ne 'html' && $format ne 'css';

            $$content =~ s{\K}{};
        }
    );
}

1;

__END__