NAME

Facebook::Graph::AccessToken - Acquire an access token from Facebook.

VERSION

version 1.1205

SYNOPSIS

 my $fb = Facebook::Graph->new(
    secret      => $facebook_application_secret,
    app_id      => $facebook_application_id,
    postback    => 'https://www.yourapplication.com/facebook/postback',
 );
 my $token_response_object = $fb->request_access_token($code_from_authorize_postback);
 my $token_string = $token_response_object->token;
 my $token_expires_epoch = $token_response_object->expires;

DESCRIPTION

Allows you to request an access token from Facebook so you can make privileged requests on the Graph API.

METHODS

new ( [ params ] )

params: A hash or hashref of parameters to pass to the constructor.

app_id: The application id that you get from Facebook after registering (<http://developers.facebook.com/setup/>) your application on their site. Required if you'll be calling the "request_access_token", "convert_sessions", or "authorize" methods.
code: An authorization code string that you should have gotten by going through the "authorize" process.
postback: The URI that Facebook should post your authorization code back to. Required if you'll be calling the "request_access_token" or "authorize" methods.
secret: The application secret that you get from Facebook after registering your application. Required if you'll be calling the "request_access_token" or "convert_sessions" methods.

uri_as_string ()

Returns the URI that will be called to fetch the token as a string. Mostly useful for debugging and testing.

request ()

Makes a request to Facebook to fetch an access token. Returns a Facebook::Graph::AccessToken::Response object.

build ()

Checks for either access_token or code and dies if has neither.