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lib/Catalyst/Authentication/Credential/FBConnect.pm  view on Meta::CPAN

package Catalyst::Authentication::Credential::FBConnect;
use Moose;
use MooseX::Types::Moose qw/ Bool /;
use MooseX::Types::Common::String qw/ NonEmptySimpleStr /;
use WWW::Facebook::API;
use Catalyst::Exception ();
use namespace::autoclean;

our $VERSION = '0.01';

has debug => ( is => 'ro', isa => Bool, );
has api_key => ( is => 'ro', isa => NonEmptySimpleStr, required => 1 );
has secret => ( is => 'ro', isa => NonEmptySimpleStr, required => 1 );
has app_name => ( is => 'ro', isa => NonEmptySimpleStr, required => 1 );
has fbconnect => ( is => 'ro', lazy_build => 1, init_arg => undef, isa => 'WWW::Facebook::API' );

sub BUILDARGS {
	my ($class, $config, $c, $realm) = @_;

    return $config;
}

sub BUILD {
    my ($self) = @_;
    $self->fbconnect; # Ensure lazy value is built.
}

sub _build_fbconnect {
    my $self = shift;

	WWW::Facebook::API->new(
		desktop => 0,
		map { $_ => $self->$_() } qw/ app_name api_key secret /
	);
}

sub authenticate {
	my ($self, $c, $realm, $auth_info) = @_;

	my $token = $c->req->method eq 'GET'
		? $c->req->query_params->{'auth_token'}
		: $c->req->body_params->{'auth_token'};

	if( defined $token ) {

		$self->fbconnect->auth->get_session( $token );

		my $user = +{
			session_uid => $self->fbconnect->session_uid,
			session_key => $self->fbconnect->session_key,
			session_expires => $self->fbconnect->session_expires
		};

		my $user_obj = $realm->find_user( $user, $c );

		return $user_obj if ref $user_obj;

		$c->log->debug( 'Verified FBConnect itentity failed' ) if $self->debug;

		return;
	}
	else {
		$c->res->redirect( $self->fbconnect->get_login_url( next => $c->uri_for( $c->action, $c->req->captures, @{ $c->req->args } ) ) );
	}

}

1;

__END__

=head1 NAME

Catalyst::Authentication::Credential::FBConnect - Facebook credential for Catalyst::Plugin::Authentication framework.

=head1 VERSION

0.01

=head1 SYNOPSIS

In MyApp.pm

 use Catalyst qw/
      Authentication
      Session
      Session::Store::FastMmap
      Session::State::Cookie
 /;


In myapp.conf