private function authorise()
	{
		$url = $this->getOption('authoriseURL') . '?oauth_token=' . $this->token['key'];

		if ($this->getOption('scope'))
		{
			$scope = \is_array($this->getOption('scope')) ? implode(' ', $this->getOption('scope')) : $this->getOption('scope');
			$url .= '&scope=' . urlencode($scope);
		}

		if ($this->getOption('sendheaders'))
		{
			$this->application->redirect($url);
		}
	}