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package Plack::Middleware::Header;
use strict;
use 5.008_001;
use parent qw(Plack::Middleware);
__PACKAGE__->mk_accessors(qw(set append unset));
use Plack::Util;
our $VERSION = '0.04';
sub call {
my $self = shift;
my $res = $self->app->(@_);
$self->response_cb(
$res,
sub {
my $res = shift;
my $headers = $res->[1];
if ( $self->set ) {
Plack::Util::header_iter($self->set, sub {Plack::Util::header_set($headers, @_)});
}
if ( $self->append ) {
push @$headers, @{$self->append};
}
if ( $self->unset ) {
Plack::Util::header_remove($headers, $_) for @{$self->unset};
}
}
);
}
1;
__END__
=head1 NAME
Plack::Middleware::Header - modify HTTP response headers
=head1 SYNOPSIS
use Plack::Builder;
my $app = sub {['200', [], ['hello']]};
builder {
enable 'Header',
set => ['X-Plack-One' => '1'],
append => ['X-Plack-Two' => '2'],
unset => ['X-Plack-Three'];
$app;
};
=head1 DESCRIPTION
Plack::Middleware::Header
=head1 AUTHOR
Masahiro Chiba
=head1 LICENSE
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=head1 SEE ALSO
L<Plack::Middleware> L<Plack::Builder>
=cut
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