142 lines
3.2 KiB
PHP
142 lines
3.2 KiB
PHP
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<?php defined('SYSPATH') or die('No direct access allowed.');
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/**
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* This class provides Authentication using Facebook
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*
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* @package OAuth
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* @category Classes
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* @author Deon George
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* @copyright (c) 2009-2013 Open Source Billing
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* @license http://dev.osbill.net/license.html
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*/
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class Auth_Facebook extends Auth_ORM {
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// Our Facebook config data
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private $config;
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private $data;
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// Our Facebook Object
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private $fb;
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private $me;
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// Our OAuth Object
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private $oo;
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// Facebook UID
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private $uid;
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/**
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* Perform the login processing
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*
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* We ignore password, since it is required in the parent(), we dont need it in Oauth
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*/
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protected function _login($user,$password,$remember) {
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$this->complete_login($user);
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if ($remember) {
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$aoo = ORM::factory('Account_Oauth',array('account_id'=>$user->id));
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// Record our user in the DB
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$aoo->account_id = $user->id;
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$aoo->oauth_id = $this->oo->id;
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$aoo->userid = $remember->user_id();
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switch ($this->oo->name) {
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case 'facebook':
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$aoo->oauth_data = $remember->fb->getAccessToken();
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break;
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}
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return $aoo->save();
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}
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}
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public function __construct(Model_Oauth $oo) {
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include Kohana::find_file('vendor', 'facebook');
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$this->oo = $oo;
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// Load configuration "config/facebook"
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$this->config = Kohana::$config->load('facebook');
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parent::__construct((array)Kohana::$config->load('auth'));
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// Create new Facebook object
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$this->fb = new Facebook(array(
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'appId' => $oo->app_id,
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'secret' => $oo->secret,
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'cookie' => $this->config->cookie,
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'session_type' => $this->config->session_type,
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));
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try {
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$this->me = $this->fb->api('/' . $this->fb->getUser(), 'GET');
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} catch (FacebookApiException $e) {
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// Do nothing.
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}
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}
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/**
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* Returns user data, default in case of failure.
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*
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* @param $key
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* @param null $default
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* @return mixed
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* @throws FacebookApiException
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*/
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public function get($key,$default=NULL) {
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if (! $uid = $this->user_id()) {
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$this->login_url();
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throw new FacebookApiException('User is not logged in.');
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}
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if (empty($this->data))
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$this->data = $this->fb->api(array(
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'method' => 'fql.query',
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'query' => sprintf('SELECT %s FROM user WHERE uid = %s',$this->config_fields,$uid),
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));
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return (! empty($this->data[0][$key])) ? $this->data[0][$key] : $default;
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}
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/**
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* Is user currently logged into facebook?
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*/
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public function logged_in($role=NULL,$debug=NULL) {
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return $this->fb->getUser() ? TRUE : FALSE;
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}
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/**
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* Creates a login url, based on scope, redirect_uri and display.
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*
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* @return string
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*/
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public function login_url() {
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return urldecode($this->fb->getLoginUrl(array(
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'scope' => $this->config->scope,
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'redirect_uri' => $this->config->redirect_uri,
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'display' => $this->config->display,
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)));
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}
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/**
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* Creates a logout url based on next.
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*
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* @return string
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*/
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public function logout_url() {
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return urldecode($this->fb->getLogoutUrl(array('next'=>$this->config->next)));
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}
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/**
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* Return user id if success, otherwise FALSE.
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*/
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public function user_id() {
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if ($this->logged_in()) {
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$this->uid = $this->fb->getUser();
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return $this->uid;
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} else {
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return FALSE;
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}
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}
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}
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?>
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