| 1 |
<?php |
| 2 |
require_once dirname(dirname(__FILE__)).DIRECTORY_SEPARATOR."gianism_controller.php"; |
| 3 |
|
| 4 |
/** |
| 5 |
* Description of facebook_controller |
| 6 |
* |
| 7 |
* @package gianism |
| 8 |
*/ |
| 9 |
class Facebook_Controller extends Gianism_Controller{ |
| 10 |
|
| 11 |
/** |
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* @var string |
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*/ |
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private $app_id = ''; |
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|
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/** |
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* @var string |
| 18 |
*/ |
| 19 |
private $app_secret = ''; |
| 20 |
|
| 21 |
/** |
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* Facebook API Controller |
| 23 |
* @var Facebook |
| 24 |
*/ |
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public $_api = null; |
| 26 |
|
| 27 |
/** |
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* Page ID of Fan gate. |
| 29 |
* @var int |
| 30 |
*/ |
| 31 |
private $fan_gate = 0; |
| 32 |
|
| 33 |
/** |
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* Path to cert file. |
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* @var string |
| 36 |
*/ |
| 37 |
private $cert_path = ''; |
| 38 |
|
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/** |
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* Meta key of postmeta for facebook id |
| 41 |
* @var string |
| 42 |
*/ |
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public $umeta_id = '_wpg_facebook_id'; |
| 44 |
|
| 45 |
/** |
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* Meta key of postmeta for facebook mail |
| 47 |
* @var string |
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*/ |
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public $umeta_mail = '_wpg_facebook_mail'; |
| 50 |
|
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/** |
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* @var string |
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*/ |
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private $message = ""; |
| 55 |
|
| 56 |
/** |
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* @var array |
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*/ |
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private $_signed_request = array(); |
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|
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/** |
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* Setup Everything |
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* @param array $option |
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*/ |
| 65 |
protected function set_option($option) { |
| 66 |
$option = shortcode_atts(array( |
| 67 |
'fb_app_id' => '', |
| 68 |
'fb_app_secret' => '', |
| 69 |
'fb_fan_gate' => 0 |
| 70 |
), $option); |
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$this->app_id = (string)$option['fb_app_id']; |
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$this->app_secret = (string)$option['fb_app_secret']; |
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$this->fan_gate = (int) $option['fb_fan_gate']; |
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$this->cert_path = dirname(__FILE__).DIRECTORY_SEPARATOR."fb_ca_chain_bundle.crt"; |
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//Add Hook on Fan Gate |
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if($fan_gate){ |
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add_action('template_redirect', array($this, 'fan_gate_helper')); |
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} |
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//Start Session |
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session_start(); |
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} |
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|
| 83 |
|
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/** |
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* Executed on init hook. |
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* @global wpdb $wpdb |
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* @global int $user_ID |
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* @global WP_Gianism $giasnism |
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*/ |
| 90 |
public function init_action(){ |
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global $user_ID, $wpdb, $gianism; |
| 92 |
switch($this->get_action()){ |
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case "facebook_connect": |
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$uid = $this->facebook()->getUser(); |
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$this->message = $gianism->_("Oops, Failed to Authenticate."); |
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if($uid && is_user_logged_in()){ |
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try{ |
| 98 |
if(!isset($_SESSION['uid'])){ |
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$_SESSION['uid'] = $uid; |
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} |
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try{ |
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$profile = $this->facebook()->api('/me'); |
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}catch(FacebookApiException $e){ |
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$profile = $this->facebook()->api('/'.$uid); |
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} |
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if(isset($profile['email'])){ |
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//Check if other user has these as meta_value |
| 108 |
$email = $profile['email']; |
| 109 |
$sql = <<<EOS |
| 110 |
SELECT user_id FROM {$wpdb->usermeta} |
| 111 |
WHERE ((meta_key = %s) AND (meta_value = %s) AND (user_id != %d)) |
| 112 |
OR ((meta_key = %s) AND (meta_value = %s) AND (user_id != %d)) |
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EOS; |
| 114 |
$others = $wpdb->get_row($wpdb->prepare($sql, $this->umeta_id, $uid, $user_ID, $this->umeta_mail, $email, $user_ID)); |
| 115 |
$email_exitance = email_exists($email); |
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if(!$others && (!$email_exitance || $user_ID == $email_exitance)){ |
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update_user_meta($user_ID, $this->umeta_id, $uid); |
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update_user_meta($user_ID, $this->umeta_mail, $email); |
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$this->message = sprintf($gianism->_('Welcome!, %s'), $profile['name']); |
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}else{ |
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$this->message = sprintf($gianism->_('Mm...? This %s account seems to be connected to another account.'), "Facebook"); |
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} |
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} |
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}catch(FacebookApiException $e){ |
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$this->message = $gianism->_("Oops, Failed to Authenticate.")."\n".$e->getMessage(); |
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} |
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} |
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break; |
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case "facebook_disconnect": |
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if(is_user_logged_in() && isset($_REQUEST['_wpnonce']) && wp_verify_nonce($_REQUEST['_wpnonce'], 'facebook_disconnect')){ |
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delete_user_meta($user_ID, $this->umeta_id); |
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delete_user_meta($user_ID, $this->umeta_mail); |
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$this->message = sprintf($gianism->_("Disconected your %s account."), "Facebook"); |
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} |
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break; |
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case "facebook_login": |
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if(!is_user_logged_in()){ |
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$this->message = $giasnism->_('Oops, Failed to Authenticate.'); |
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$facebook_id = $this->facebook()->getUser(); |
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if($facebook_id){ |
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//Get Facebook ID, So try to find registered user. |
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global $wpdb; |
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$sql = <<<EOS |
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SELECT user_id FROM {$wpdb->usermeta} |
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WHERE meta_key = %s AND meta_value = %s |
| 146 |
EOS; |
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$user_id = $wpdb->get_var($wpdb->prepare($sql, $this->umeta_id, $facebook_id)); |
| 148 |
if(!$user_id){ |
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//Cant Find user, try to find by email |
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try{ |
| 151 |
try{ |
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$profile = $this->facebook()->api('/me'); |
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}catch(FacebookApiException $e){ |
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$profile = $this->facebook()->api('/'.$facebook_id); |
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} |
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if(isset($profile['email'])){ |
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$email = (string)$profile['email']; |
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//Try to find registered user |
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$user_id = email_exists($email); |
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if(!$user_id){ |
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//Not found, thus seek usermeta |
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$sql = <<<EOS |
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SELECT user_id FROM {$wpdb->usermeta} |
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WHERE meta_key = %s AND meta_value = %s |
| 165 |
EOS; |
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$user_id = $wpdb->get_var($wpdb->prepare($sql, $this->umeta_mail, $email)); |
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if(!$user_id){ |
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//Not found, Create New User |
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require_once(ABSPATH . WPINC . '/registration.php'); |
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//Check if username exists |
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$user_name = (!username_exists($profile['username'])) ? $profile['username'] : $email; |
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$user_id = wp_create_user($user_name, wp_generate_password(), $email); |
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if(!is_wp_error($user_id)){ |
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update_user_meta($user_id, $this->umeta_id, $facebook_id); |
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update_user_meta($user_id, $this->umeta_mail, $email); |
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$wpdb->update( |
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$wpdb->users, |
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array( |
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'display_name' => $profile['name'], |
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'user_url' => $profile['link'] |
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), |
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array('ID' => $user_id), |
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array('%s', '%s'), |
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array('%d') |
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); |
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} |
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} |
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} |
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} |
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}catch(FacebookApiException $e){ |
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//Can't get email, so, error. |
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$this->message .= "\n".$e->getMessage(); |
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} |
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} |
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} |
| 196 |
if($user_id && !is_wp_error($user_id)){ |
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wp_set_auth_cookie($user_id, true); |
| 198 |
if(isset($_GET['redirect_to'])){ |
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header('Location: '.$_GET['redirect_to']); |
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die(); |
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} |
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} |
| 203 |
} |
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break; |
| 205 |
} |
| 206 |
} |
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|
| 208 |
|
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/** |
| 210 |
* Add User form |
| 211 |
* @global WP_Gianism $gianism |
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* @param WP_User $current_user |
| 213 |
*/ |
| 214 |
public function user_profile($current_user){ |
| 215 |
if(!defined("IS_PROFILE_PAGE")){ |
| 216 |
return; |
| 217 |
} |
| 218 |
global $gianism; |
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//Show Login button |
| 220 |
if(!$this->get_user_id()){ |
| 221 |
$link_text = $gianism->_('Connect'); |
| 222 |
$desc = sprintf($gianism->_('Connecting with Facebook account, you can log in %s via Facebook account.'), get_bloginfo('name')); |
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$onclick = ''; |
| 224 |
$url = $this->facebook()->getLoginUrl(array( |
| 225 |
'scope' => 'email', |
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'redirect_uri' => admin_url('profile.php?wpg=facebook_connect') |
| 227 |
)); |
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}else{ |
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$link_text = $gianism->_('Disconnect'); |
| 230 |
$desc = '<img src="'.$gianism->url.'/assets/icon-checked.png" alt="Connected" width="16" height="16" />' |
| 231 |
.$gianism->_('Your account is already connected with Facebook account.'); |
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$onclick = ' onclick="if(!confirm(\''.$gianism->_('You really disconnect this account?').'\')) return false;"'; |
| 233 |
$url = wp_nonce_url(admin_url('profile.php?wpg=facebook_disconnect'), 'facebook_disconnect'); |
| 234 |
} |
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?> |
| 236 |
<tr> |
| 237 |
<th><?php $gianism->e('Facebook'); ?></th> |
| 238 |
<td> |
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<div id="fb-connector"> |
| 240 |
<a class="fb_button fb_button_medium" id="fb-login" href="<?php echo $url; ?>"<?php echo $onclick; ?>> |
| 241 |
<span class="fb_button_text"><?php echo $link_text;?></span> |
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</a> |
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<p class="description"><?php echo $desc;?></p> |
| 244 |
</div> |
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<!-- #fb-connector --> |
| 246 |
</td> |
| 247 |
</tr> |
| 248 |
<?php |
| 249 |
} |
| 250 |
|
| 251 |
/** |
| 252 |
* Show Login Button on Facebook. |
| 253 |
* @global WP_Gianism $gianism |
| 254 |
*/ |
| 255 |
function login_form(){ |
| 256 |
global $gianism; |
| 257 |
$redirect = isset($_REQUEST['redirect_to']) ? $gianism->request('redirect_to') : admin_url('profile.php'); |
| 258 |
$login_url = wp_login_url($redirect)."&wpg=facebook_login"; |
| 259 |
$url = $this->facebook()->getLoginUrl(array( |
| 260 |
'scope' => 'email', |
| 261 |
'redirect_uri' => $login_url, |
| 262 |
)); |
| 263 |
//Show Login Button |
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$this->js = true; |
| 265 |
?> |
| 266 |
<a class="fb_button fb_button_medium" id="fb-login" href="<?php echo $url; ?>"> |
| 267 |
<span class="fb_button_text"><?php $gianism->e('Log in with Facebook');?></span> |
| 268 |
</a> |
| 269 |
<?php |
| 270 |
} |
| 271 |
|
| 272 |
/** |
| 273 |
* Returns if user like my page. Only available on Facebook Tab page or application. |
| 274 |
* @return boolean |
| 275 |
*/ |
| 276 |
public function is_user_like_me_on_fangate(){ |
| 277 |
if($this->fan_gate > 0){ |
| 278 |
$page = $this->signed_request('page'); |
| 279 |
return (isset($page['liked']) && $page['liked']); |
| 280 |
}else{ |
| 281 |
return false; |
| 282 |
} |
| 283 |
} |
| 284 |
|
| 285 |
/** |
| 286 |
* Returns if current facebook user is wordpress registered user. |
| 287 |
* |
| 288 |
* If current Facebook user is registerd on your WordPress, returns user ID on WordPress. |
| 289 |
* |
| 290 |
* @global wpdb $wpdb |
| 291 |
* @return int |
| 292 |
*/ |
| 293 |
public function is_registered_user_on_fangate(){ |
| 294 |
global $wpdb; |
| 295 |
if($this->fan_gate > 0){ |
| 296 |
$uid = $this->signed_request('user_id'); |
| 297 |
$sql = <<<EOS |
| 298 |
SELECT user_id FROM {$wpdb->usermeta} |
| 299 |
WHERE meta_key = %s AND meta_value = %s |
| 300 |
EOS; |
| 301 |
return $wpdb->get_var($wpdb->prepare($sql, $this->umeta_id, $uid)); |
| 302 |
}else{ |
| 303 |
return false; |
| 304 |
} |
| 305 |
} |
| 306 |
|
| 307 |
/** |
| 308 |
* Return true if current user is not logged in Facebook |
| 309 |
* @return boolean |
| 310 |
*/ |
| 311 |
public function is_guest_on_fangate(){ |
| 312 |
if($this->fan_gate > 0){ |
| 313 |
return (false == (boolean)$this->signed_request('user_id')); |
| 314 |
}else{ |
| 315 |
return false; |
| 316 |
} |
| 317 |
} |
| 318 |
|
| 319 |
/** |
| 320 |
* Returns if current page is fan gate. |
| 321 |
* @return string |
| 322 |
*/ |
| 323 |
public function is_fangate(){ |
| 324 |
if($this->fan_gate > 0){ |
| 325 |
$page = $this->signed_request('page'); |
| 326 |
if($page){ |
| 327 |
return is_page($this->fan_gate); |
| 328 |
}else{ |
| 329 |
return false; |
| 330 |
} |
| 331 |
}else{ |
| 332 |
return false; |
| 333 |
} |
| 334 |
} |
| 335 |
|
| 336 |
/** |
| 337 |
* Get signed request |
| 338 |
* @return string |
| 339 |
*/ |
| 340 |
private function signed_request($key){ |
| 341 |
if(empty($this->_signed_request)){ |
| 342 |
$this->_signed_request = $this->facebook()->getSignedRequest(); |
| 343 |
} |
| 344 |
return isset($this->_signed_request[$key]) ? $this->_signed_request[$key]: null; |
| 345 |
} |
| 346 |
|
| 347 |
/** |
| 348 |
* Initialize Facebook Fangate Scripts |
| 349 |
* @global WP_Gianism $gianism |
| 350 |
*/ |
| 351 |
public function fan_gate_helper(){ |
| 352 |
global $gianism; |
| 353 |
if(is_page($this->fan_gate)){ |
| 354 |
$this->js = true; |
| 355 |
} |
| 356 |
$this->scripts .= <<<EOS |
| 357 |
FB.Canvas.setAutoGrow(); |
| 358 |
EOS; |
| 359 |
} |
| 360 |
|
| 361 |
/** |
| 362 |
* Print JS on footer of both admin panel and public page. |
| 363 |
* |
| 364 |
* Paramater 'js' should be true and if 'js' is 'no-fb-root', |
| 365 |
* div#fb-root won't be displayed. |
| 366 |
* |
| 367 |
* @return void |
| 368 |
*/ |
| 369 |
public function print_script(){ |
| 370 |
$locale = 'ja_JP'; |
| 371 |
if($this->js !== false): |
| 372 |
?> |
| 373 |
<?php if($this->js !== 'no-fb-root'):?> |
| 374 |
<div id="fb-root"></div> |
| 375 |
<?php endif;?> |
| 376 |
<script type="text/javascript"> |
| 377 |
window.fbAsyncInit = function() { |
| 378 |
<?php if(is_ssl()):?> |
| 379 |
FB._https = true; |
| 380 |
<?php endif;?> |
| 381 |
FB.init({ |
| 382 |
appId: '<?php echo $this->app_id ?>', |
| 383 |
cookie: true, |
| 384 |
xfbml: true, |
| 385 |
oauth: true |
| 386 |
}); |
| 387 |
<?php echo $this->scripts; ?> |
| 388 |
}; |
| 389 |
(function(){ |
| 390 |
var e = document.createElement('script'); |
| 391 |
e.async = true; |
| 392 |
e.src = document.location.protocol + "//connect.facebook.net/<?php echo $locale; ?>/all.js"; |
| 393 |
document.getElementById('fb-root').appendChild(e); |
| 394 |
})(); |
| 395 |
</script> |
| 396 |
<?php |
| 397 |
endif; |
| 398 |
if(!empty($this->message)): ?> |
| 399 |
<script type="text/javascript"> |
| 400 |
jQuery(document).ready(function($){ |
| 401 |
alert("<?php echo esc_attr($this->message); ?>"); |
| 402 |
}); |
| 403 |
</script> |
| 404 |
<?php endif; |
| 405 |
} |
| 406 |
|
| 407 |
/** |
| 408 |
* Returns User's Facebook ID |
| 409 |
* @global int $user_ID |
| 410 |
* @param int $user_id |
| 411 |
* @return int |
| 412 |
*/ |
| 413 |
public function get_user_id($user_id = null){ |
| 414 |
$user_id = $this->wp_user_id($user_id); |
| 415 |
if($user_id){ |
| 416 |
$facebook_id = get_user_meta($user_id, '_wpg_facebook_id', true); |
| 417 |
return $facebook_id ? $facebook_id : 0; |
| 418 |
}else{ |
| 419 |
return 0; |
| 420 |
} |
| 421 |
} |
| 422 |
|
| 423 |
/** |
| 424 |
* Returns Facebook mail |
| 425 |
* @param int $user_id |
| 426 |
* @return string |
| 427 |
*/ |
| 428 |
public function get_user_mail($user_id = null){ |
| 429 |
$user_id = $this->wp_user_id($user_id); |
| 430 |
if($user_id){ |
| 431 |
$facebook_mail = get_user_meta($user_id, '_wpg_facebook_mail', true); |
| 432 |
return $facebook_mail ? $facebook_mail : null; |
| 433 |
}else{ |
| 434 |
return null; |
| 435 |
} |
| 436 |
} |
| 437 |
|
| 438 |
/** |
| 439 |
* Save Facebook Mail |
| 440 |
* @param string $mail |
| 441 |
* @param int $user_id |
| 442 |
* @return void |
| 443 |
*/ |
| 444 |
public function set_user_mail($mail, $user_id = null){ |
| 445 |
$user_id = $this->wp_user_id($user_id); |
| 446 |
update_user_meta($user_id, '_wpg_facebook_mail'); |
| 447 |
} |
| 448 |
|
| 449 |
/** |
| 450 |
* Save Facebook ID |
| 451 |
* @param string $fb_user_id |
| 452 |
* @param int $user_id |
| 453 |
* @return void |
| 454 |
*/ |
| 455 |
public function set_user_id($fb_user_id, $user_id = null){ |
| 456 |
$user_id = $this->wp_user_id($user_id); |
| 457 |
update_user_meta($user_id, '_wpg_facebook_id', $fb_user_id); |
| 458 |
} |
| 459 |
|
| 460 |
/** |
| 461 |
* Returns WordPress's user ID |
| 462 |
* @global int $user_ID |
| 463 |
* @param int $user_id |
| 464 |
* @return int |
| 465 |
*/ |
| 466 |
private function wp_user_id($user_id = null){ |
| 467 |
if(is_null($user_id)){ |
| 468 |
global $user_ID; |
| 469 |
$user_id = $user_ID; |
| 470 |
} |
| 471 |
return (int)$user_id; |
| 472 |
} |
| 473 |
|
| 474 |
/** |
| 475 |
* Returns facebook Controller |
| 476 |
* @return Facebook |
| 477 |
*/ |
| 478 |
private function facebook(){ |
| 479 |
if(is_null($this->_api)){ |
| 480 |
require_once dirname(__FILE__).DIRECTORY_SEPARATOR."facebook.php"; |
| 481 |
$this->_api = new Facebook(array( |
| 482 |
'appId' => $this->app_id, |
| 483 |
'secret' => $this->app_secret, |
| 484 |
'cookie' => true |
| 485 |
)); |
| 486 |
} |
| 487 |
return $this->_api; |
| 488 |
} |
| 489 |
} |
