/**
* Resolve the user access token from the signed request.
* The access token is either provided or it can be exchanged for the code.
*
* @return null|Gajus\Fuss\AccessToken
*/
public function getAccessToken()
{
if (!$this->access_token) {
if (isset($this->signed_request['oauth_token'])) {
$this->access_token = new \Gajus\Fuss\AccessToken($this->app, $this->signed_request['oauth_token'], \Gajus\Fuss\AccessToken::TYPE_USER);
} else {
if (isset($this->signed_request['code'])) {
$this->access_token = \Gajus\Fuss\AccessToken::makeFromCode($this->app, $this->signed_request['code']);
}
}
}
return $this->access_token;
}
/**
* @depends testExtendUserAccessToken
*/
public function testExchangeLongLivedAccessTokenForCode(\Gajus\Fuss\AccessToken $access_token)
{
$this->assertTrue($access_token->isLong());
return $access_token->getCode($access_token);
}