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package Plack::Client::Backend::psgi_local;
use strict;
use warnings;
use Plack::Middleware::ContentLength;
sub new {
my $class = shift;
my %params = @_;
die 'apps must be a hashref'
if ref($params{apps}) ne 'HASH';
bless {
apps => $params{apps},
}, $class;
}
sub apps { shift->{apps} }
sub app_for {
my $self = shift;
my ($for) = @_;
return $self->apps->{$for};
}
sub app_from_request {
my $self = shift;
my ($req) = @_;
my $app_name = $req->env->{'plack.client.authority'};
if (!defined $app_name) {
$app_name = $req->uri->authority;
$app_name =~ s/(.*):.*/$1/; # in case a port was added at some point
}
my $app = $self->app_for($app_name);
die "Unknown app: $app_name" unless $app;
return Plack::Middleware::ContentLength->wrap($app);
}
1;
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