Connectfb.php

<?php
/**
 *
 * License, TERMS and CONDITIONS
 *
 * This software is lisensed under the GNU LESSER GENERAL PUBLIC LICENSE (LGPL) version 3
 * Please read the license here : http://www.gnu.org/licenses/lgpl-3.0.txt
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * ATTRIBUTION REQUIRED
 * 4. All web pages generated by the use of this software, or at least
 * 	  the page that lists the recent questions (usually home page) must include
 *    a link to the http://www.lampcms.com and text of the link must indicate that
 *    the website\'s Questions/Answers functionality is powered by lampcms.com
 *    An example of acceptable link would be "Powered by <a href="http://www.lampcms.com">LampCMS</a>"
 *    The location of the link is not important, it can be in the footer of the page
 *    but it must not be hidden by style attibutes
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This product includes GeoLite data created by MaxMind,
 *  available from http://www.maxmind.com/
 *
 *
 * @author     Dmitri Snytkine <cms@lampcms.com>
 * @copyright  2005-2011 (or current year) ExamNotes.net inc.
 * @license    http://www.gnu.org/licenses/lgpl-3.0.txt GNU LESSER GENERAL PUBLIC LICENSE (LGPL) version 3
 * @link       http://www.lampcms.com   Lampcms.com project
 * @version    Release: @package_version@
 *
 *
 */


namespace Lampcms\Controllers;

use \Lampcms\WebPage;
use \Lampcms\Request;
use \Lampcms\Responder;
//use \Lampcms\ExternalAuthFb;

/**
 *
 * Controller processes Ajax request to
 * connect Facebook account (to existing Viewer account)
 * 
 * This Controller is called ONLY via Ajax!
 * 
 * @author Dmitri Snytkine
 *
 */
class Connectfb extends WebPage
{
	/**
	 *
	 * Only logged in user can use this controller
	 *
	 * @var bool
	 */
	protected $membersOnly = true;


	/**
	 * (non-PHPdoc)
	 * @see Lampcms.WebPage::main()
	 */
	protected function main(){
		try{
			d('cp');
			$this->Registry->Facebook->connect($this->Registry->Viewer);
			d('cp');
		} catch (\Lampcms\FacebookAuthException $e ){
			d('Caught FacebookAuthException');
			/**
			 * Something went wrong with cookie validation
			 * or there was no facebook auth cookie
			 */
			if($e instanceof \Lampcms\FacebookAuthUserException){
				d('caught FacebookAuthUserException');

				throw $e;
			}
			
			e('Unable to connect Facebook account. '.$e->getMessage().' in file '.$e->getFile().' on line '.$e->getLine());
			throw new \Lampcms\Exception('Unable to connect Facebook account at this time');
		}

		d('cp');
		
		$this->respond();
	}


	/**
	 * Send Ajax based reponse
	 * 
	 */
	protected function respond(){

		$aRet = array('setmeta' => array('key' => 'fb', 'val' => '1'),
		'replace' => array('target' => 'my_fb', 'content' => $this->Registry->Viewer->getFacebookUrl()));
		d('sending out JSON: '.print_r($aRet, 1));

		Responder::sendJSON($aRet);
	}
}