FB Yii connect without extension

controller.php

<?php
public function actionFacebook()
{
    $alias=Yii::getPathOfAlias('custom.components.facebook');
    require($alias.DIRECTORY_SEPARATOR.'facebook.php');
    
    $facebook = new Facebook(array(
      'appId'  => Yii::app()->settings->get('facebook','appId'),
      'secret' => Yii::app()->settings->get('facebook','appSecret'),
    ));
    
    $this->layout='//layouts/facebook_connect';
    
    $user=$facebook->getUser();
    $user_friends=$user_profile=$login_url=$logout_url=$status_update=null;
    
    if(empty($user))
    {
       $login_url=$facebook->getLoginUrl(array(
        'scope'=>'friends_photos, publish_stream',
        'display'=>'popup',
        'next'=>Yii::app()->createAbsoluteUrl('connect/default/facebook'),
       ));
       Yii::app()->request->redirect($login_url); 
    }

    $logout_url=$facebook->getLogoutUrl();
    
    try
    { 
        $user_profile=$facebook->api('/me');
        $user_friends=$facebook->api('/me/friends'); 
    } 
    catch(FacebookApiException $e){}

    $this->render('_facebook',array(
        'user'          => $user,
        'user_friends'  => $user_friends,
        'user_profile'  => $user_profile,
        'login_url'     => $login_url,
        'logout_url'    => $logout_url, 
    ));
}
?>

view.php

<table cellpadding="0" cellspacing="0" style="margin-top: 10px;">
<tr>
<?php if(!empty($user_friends['data'])):?>
<?php $i=0; foreach($user_friends['data'] AS $friend): ++$i;?>
<td align="left" valign="top" width="120" style="padding-bottom: 10px;">
    <table cellpadding="0" cellspacing="0" width="120">
        <tr>
            <td align="center" valign="top">
                <a href="javascript:;" onclick="submitFriendForm(<?php echo (int)$friend['id'];?>);">
                    <img src="http://graph.facebook.com/<?php echo (int)$friend['id'];?>/picture" style="border:2px solid #fff; padding:3px;"/>
                </a>
            </td>
        </tr>
        <tr>
            <td align="center" valign="top" style="font-size:10px">
                <?php 
                    if(strpos($friend['name'],' ')!==false)
                    {
                        $part=explode(" ",$friend['name']);
                        if(strlen($part[0])>10)
                            echo CHtml::encode(substr($part[0],0,10)).'...';
                        else
                            echo CHtml::encode($part[0]);
                    }
                    else
                    {
                        if(strlen($friend['name'])>10)
                            echo CHtml::encode(substr($friend['name'],0,10)).'...';
                        else
                            echo CHtml::encode($friend['name']);
                    }
                ?>
            </td>
        </tr>
    </table>
</td>
<?php if($i % 4 == 0):?></tr><tr><?php endif;?>
<?php endforeach;?>
<?php endif;?>
</tr>
</table>

http://www.yiiframework.com/forum/index.php/topic/20465-facebook-connect/