public function getAuth( $oauth_token )
	{
		try
		{
			$this->setToken( $oauth_token );
			$token = $this->getAccessToken();
			$this->setToken( $token->oauth_token, $token->oauth_token_secret );

			return array(
				'oauth_token' => $token->oauth_token,
				'oauth_token_secret' => $token->oauth_token_secret,
				'user_id' => $token->user_id,
				'screen_name' => $token->screen_name
			);
		}
		catch( Exception $e )
		{
			throw new \Sifo\Exception_500( $e->getMessage() );
		}


	}