redirect実装したい

gistfile1.pl

ackage Actlog::Controller::Login;
use Ark 'Controller';

use Actlog::Models;

use Try::Tiny;
use JSON::Types;
use Facebook::Graph;
use CGI;

sub index : Path{
    my ($self,$c) = @_;
};


my $fb = Facebook::Graph->new(
    app_id   => '394680190607371',
    secret   => 'ac41be120cb3cdf08c43817f2c1fa118',
    postback => 'http://localhost:5000/article',
);


sub facebook : Local{
    my ($self, $c) = @_;
    my $uri  = $fb->authorize->extend_permissions(qw//)->uri_as_string;
    return $c->res->CGI::redirect($uri);　　##ここの書き方がイマイチ...
    #return $c->res->redirect($c->res->$uri('/'));                                                                                                                             
};

sub postback : Local{
    my ( $self, $c ) = @_;
    $fb->request_access_token( $self->param('code') );
    my $me = $fb->fetch('me');
    $self->render( 'me', me => $me );
 }


 __PACKAGE__->meta->make_immutable;

 1;