/var/www/(Del)hsihk.com/wp-content/plugins/nextend-facebook-connect/nextend-facebook-connect.php


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<?php

/*
Plugin Name: Nextend Facebook Connect
Plugin URI: http://nextendweb.com/
Description: This plugins helps you create Facebook login and register buttons. The login and register process only takes one click.
Version: 1.4.59
Author: Roland Soos
License: GPL2
*/

/*  Copyright 2012  Roland Soos - Nextend  (email : roland@nextendweb.com)

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2, as
published by the Free Software Foundation.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
global $new_fb_settings;
define('NEW_FB_LOGIN'1);
if (!
defined('NEW_FB_LOGIN_PLUGIN_BASENAME')) define('NEW_FB_LOGIN_PLUGIN_BASENAME'plugin_basename(__FILE__));
$new_fb_settings maybe_unserialize(get_option('nextend_fb_connect'));

if(!
function_exists('nextend_uniqid')){
    function 
nextend_uniqid(){
        if(isset(
$_COOKIE['nextend_uniqid'])){
            if(
get_site_transient('n_'.$_COOKIE['nextend_uniqid']) !== false){
                return 
$_COOKIE['nextend_uniqid'];
            }
        }
        
$_COOKIE['nextend_uniqid'] = uniqid('nextend'true);
        
setcookie('nextend_uniqid'$_COOKIE['nextend_uniqid'], time() + 3600'/');
        
set_site_transient('n_'.$_COOKIE['nextend_uniqid'], 13600);
        
        return 
$_COOKIE['nextend_uniqid'];
    }
}

/*
Loading style for buttons
*/

function nextend_fb_connect_stylesheet() {

  
wp_register_style('nextend_fb_connect_stylesheet'plugins_url('buttons/facebook-btn.css'__FILE__));
  
wp_enqueue_style('nextend_fb_connect_stylesheet');
}
if (!isset(
$new_fb_settings['fb_load_style'])) $new_fb_settings['fb_load_style'] = 1;
if (
$new_fb_settings['fb_load_style']) {
  
add_action('wp_enqueue_scripts''nextend_fb_connect_stylesheet');
  
add_action('login_enqueue_scripts''nextend_fb_connect_stylesheet');
  
add_action('admin_enqueue_scripts''nextend_fb_connect_stylesheet');
}

/*
Creating the required table on installation
*/

function nextend_fb_connect_install() {

  global 
$wpdb;
  
$table_name $wpdb->prefix "social_users";
  
$sql "CREATE TABLE $table_name (
    `ID` int(11) NOT NULL,
    `type` varchar(20) NOT NULL,
    `identifier` varchar(100) NOT NULL,
    KEY `ID` (`ID`,`type`)
  );"
;
  require_once (
ABSPATH 'wp-admin/includes/upgrade.php');
  
dbDelta($sql);
}
register_activation_hook(__FILE__'nextend_fb_connect_install');

/*
Adding query vars for the WP parser
*/

function new_fb_add_query_var() {

  global 
$wp;
  
$wp->add_query_var('editProfileRedirect');
  
$wp->add_query_var('loginFacebook');
  
$wp->add_query_var('loginFacebookdoauth');
}
add_filter('init''new_fb_add_query_var');

/* -----------------------------------------------------------------------------
Main function to handle the Sign in/Register/Linking process
----------------------------------------------------------------------------- */

/*
Compatibility for older versions
*/

function new_fb_login_compat() {

  global 
$wp;
  if (
$wp->request == 'loginFacebook' || isset($wp->query_vars['loginFacebook'])) {
    
new_fb_login_action();
  }
}
add_action('parse_request''new_fb_login_compat');

/*
For login page
*/

function new_fb_login() {

  if (
$_REQUEST['loginFacebook'] == '1') {
    
new_fb_login_action();
  }
}
add_action('login_init''new_fb_login');

function 
new_fb_login_action() {

  global 
$wp$wpdb$new_fb_settings;
  if (isset(
$_GET['action']) && $_GET['action'] == 'unlink') {
    
$user_info wp_get_current_user();
    if (
$user_info->ID) {
      
$wpdb->query($wpdb->prepare('DELETE FROM ' $wpdb->prefix 'social_users
          WHERE ID = %d
          AND type = \'fb\''
$user_info->ID));
      
set_site_transient($user_info->ID.'_new_fb_admin_notice',__('Your Facebook profile is successfully unlinked from your account.''nextend-facebook-connect'), 3600);
    }
    
new_fb_redirect();
  }
  require_once (
dirname(__FILE__) . '/sdk/init.php');
  
$user $facebook->getUser();

  if (
$user && is_user_logged_in() && new_fb_is_user_connected()) {
    
new_fb_redirect();
  } elseif (
$user) {

    
// Register or Login
    
try {

      
// Proceed knowing you have a logged in user who's authenticated.
      
$user_profile $facebook->api('/me');
      
$ID $wpdb->get_var($wpdb->prepare('
        SELECT ID FROM ' 
$wpdb->prefix 'social_users WHERE type = "fb" AND identifier = "%d"
      '
$user_profile['id']));
      if (!
get_user_by('id'$ID)) {
        
$wpdb->query($wpdb->prepare('
          DELETE FROM ' 
$wpdb->prefix 'social_users WHERE ID = "%d"
        '
$ID));
        
$ID null;
      }
      if (!
is_user_logged_in()) {
        if (
$ID == NULL) { // Register

          
if (!isset($user_profile['email'])) $user_profile['email'] = $user_profile['username'] . '@facebook.com';
          
$ID email_exists($user_profile['email']);
          if (
$ID == false) { // Real register

            
require_once (ABSPATH WPINC '/registration.php');
            
$random_password wp_generate_password($length 12$include_standard_special_chars false);
            if (!isset(
$new_fb_settings['fb_user_prefix'])) $new_fb_settings['fb_user_prefix'] = 'facebook-';
            
$sanitized_user_login sanitize_user($new_fb_settings['fb_user_prefix'] . $user_profile['username']);
            if (!
validate_username($sanitized_user_login)) {
              
$sanitized_user_login sanitize_user('facebook' $user_profile['id']);
            }
            
$defaul_user_name $sanitized_user_login;
            
$i 1;
            while (
username_exists($sanitized_user_login)) {
              
$sanitized_user_login $defaul_user_name $i;
              
$i++;
            }
            
$ID wp_create_user($sanitized_user_login$random_password$user_profile['email']);
            if (!
is_wp_error($ID)) {
              
wp_new_user_notification($ID$random_password);
              
$user_info get_userdata($ID);
              
wp_update_user(array(
                
'ID' => $ID,
                
'display_name' => $user_profile['name'],
                
'first_name' => $user_profile['first_name'],
                
'last_name' => $user_profile['last_name']
              ));

              
//update_user_meta( $ID, 'new_fb_default_password', $user_info->user_pass);
              
do_action('nextend_fb_user_registered'$ID$user_profile$facebook);
            } else {
              return;
            }
          }
          if (
$ID) {
            
$wpdb->insert($wpdb->prefix 'social_users', array(
              
'ID' => $ID,
              
'type' => 'fb',
              
'identifier' => $user_profile['id']
            ) , array(
              
'%d',
              
'%s',
              
'%s'
            
));
          }
          if (isset(
$new_fb_settings['fb_redirect_reg']) && $new_fb_settings['fb_redirect_reg'] != '' && $new_fb_settings['fb_redirect_reg'] != 'auto') {
            
set_site_transientnextend_uniqid().'_fb_r'$new_twitter_settings['twitter_redirect_reg'], 3600);
          }
        }
        if (
$ID) { // Login

          
$secure_cookie is_ssl();
          
$secure_cookie apply_filters('secure_signon_cookie'$secure_cookie, array());
          global 
$auth_secure_cookie// XXX ugly hack to pass this to wp_authenticate_cookie

          
$auth_secure_cookie $secure_cookie;
          
wp_set_auth_cookie($IDtrue$secure_cookie);
          
$user_info get_userdata($ID);
          
update_user_meta($ID'fb_profile_picture''https://graph.facebook.com/' $user_profile['id'] . '/picture?type=large');
          
do_action('wp_login'$user_info->user_login$user_info);
          
update_user_meta($ID'fb_user_access_token'$facebook->getAccessToken());
          
do_action('nextend_fb_user_logged_in'$ID$user_profile$facebook);
        }
      } else {
        
$current_user wp_get_current_user();
        if (
$current_user->ID == $ID) {

          
// It was a simple login
          
        
} elseif ($ID === NULL) { // Let's connect the accout to the current user!

          
$wpdb->insert($wpdb->prefix 'social_users', array(
            
'ID' => $current_user->ID,
            
'type' => 'fb',
            
'identifier' => $user_profile['id']
          ) , array(
            
'%d',
            
'%s',
            
'%s'
          
));
          
update_user_meta($current_user->ID'fb_user_access_token'$facebook->getAccessToken());
          
do_action('nextend_fb_user_account_linked'$ID$user_profile$facebook);
            
$user_info wp_get_current_user();
            
set_site_transient($user_info->ID.'_new_fb_admin_notice',__('Your Facebook profile is successfully linked with your account. Now you can sign in with Facebook easily.''nextend-facebook-connect'), 3600);
        } else {
            
$user_info wp_get_current_user();
            
set_site_transient($user_info->ID.'_new_fb_admin_notice',__('This Facebook profile is already linked with other account. Linking process failed!''nextend-facebook-connect'), 3600);
        }
      }
      
new_fb_redirect();
    }
    catch(
FacebookApiException $e) {
      echo 
'Caught exception: '$e->getMessage() , "\n";

      
//echo '<pre>'.htmlspecialchars(print_r($e, true)).'</pre>';
      
$user null;
    }
    exit;
  } else if(!isset(
$_GET['code'])){
    
$scope apply_filters('nextend_fb_scope''email');
    
$loginUrl $facebook->getLoginUrl(array(
      
'scope' => $scope
    
));
    if (isset(
$new_fb_settings['fb_redirect']) && $new_fb_settings['fb_redirect'] != '' && $new_fb_settings['fb_redirect'] != 'auto') {
      
$_GET['redirect'] = $new_fb_settings['fb_redirect'];
    }
    if (isset(
$_GET['redirect'])) {
      
set_site_transientnextend_uniqid().'_fb_r'$_GET['redirect'], 3600);
    }
    
$redirect get_site_transientnextend_uniqid().'_fb_r');
    if (
$redirect == '' || $redirect == new_fb_login_url()) {
      
set_site_transientnextend_uniqid().'_fb_r'site_url(), 3600);
    }
    
    
header('Location: ' $loginUrl);
    exit;
  }else{
    echo 
"Login error!";
    exit;
  }
}

/*
Is the current user connected the Facebook profile?
*/

function new_fb_is_user_connected() {

  global 
$wpdb;
  
$current_user wp_get_current_user();
  
$ID $wpdb->get_var($wpdb->prepare('
    SELECT identifier FROM ' 
$wpdb->prefix 'social_users WHERE type = "fb" AND ID = "%d"
  '
$current_user->ID));
  if (
$ID === NULL) return false;
  return 
$ID;
}

function 
new_fb_get_user_access_token($id) {

  return 
get_user_meta($id'fb_user_access_token'true);
}

/*
Connect Field in the Profile page
*/

function new_add_fb_connect_field() {

  global 
$new_is_social_header;

  
//if(new_fb_is_user_connected()) return;
  
if ($new_is_social_header === NULL) {
?>
    <h3>Social connect</h3>
    <?php
    $new_is_social_header 
true;
  }
?>
  <table class="form-table">
    <tbody>
      <tr>    
        <th>
        </th>    
        <td>
          <?php
  
if (new_fb_is_user_connected()) {
    echo 
new_fb_unlink_button();
  } else {
    echo 
new_fb_link_button();
  }
?>
        </td>
      </tr>
    </tbody>
  </table>
  <?php
}
add_action('profile_personal_options''new_add_fb_connect_field');

function 
new_add_fb_login_form() {

?>
  <script type="text/javascript">
  if(jQuery.type(has_social_form) === "undefined"){
    var has_social_form = false;
    var socialLogins = null;
  }
  jQuery(document).ready(function(){
    (function($) {
      if(!has_social_form){
        has_social_form = true;
        var loginForm = $('#loginform,#registerform,#front-login-form');
        socialLogins = $('<div class="newsociallogins" style="text-align: center;"><div style="clear:both;"></div></div>');
        if(loginForm.find('input').length > 0)
          loginForm.prepend("<h3 style='text-align:center;'>OR</h3>");
        loginForm.prepend(socialLogins);
        socialLogins = loginForm.find('.newsociallogins');
      }
      if(!window.fb_added){
        socialLogins.prepend('<?php echo addslashes(preg_replace('/^\s+|\n|\r|\s+$/m'''new_fb_sign_button())); ?>');
        window.fb_added = true;
      }
    }(jQuery));
  });
  </script>
  <?php
}
add_action('login_form''new_add_fb_login_form');
add_action('register_form''new_add_fb_login_form');
add_action('bp_sidebar_login_form''new_add_fb_login_form');
add_filter('get_avatar''new_fb_insert_avatar'55);

function 
new_fb_insert_avatar($avatar ''$id_or_email$size 96$default ''$alt false) {

  
$id 0;
  if (
is_numeric($id_or_email)) {
    
$id $id_or_email;
  } else if (
is_string($id_or_email)) {
    
$u get_user_by('email'$id_or_email);
    
$id $u->id;
  } else if (
is_object($id_or_email)) {
    
$id $id_or_email->user_id;
  }
  if (
$id == 0) return $avatar;
  
$pic get_user_meta($id'fb_profile_picture'true);
  if (!
$pic || $pic == '') return $avatar;
  
$avatar preg_replace('/src=("|\').*?("|\')/i''src=\'' $pic '\''$avatar);
  return 
$avatar;
}

add_filter('bp_core_fetch_avatar''new_fb_bp_insert_avatar'35);

function 
new_fb_bp_insert_avatar($avatar ''$params$id) {
    if(!
is_numeric($id) || strpos($avatar'gravatar') === false) return $avatar;
    
$pic get_user_meta($id'fb_profile_picture'true);
    if (!
$pic || $pic == '') return $avatar;
    
$avatar preg_replace('/src=("|\').*?("|\')/i''src=\'' $pic '\''$avatar);
    return 
$avatar;
}

/*
Options Page
*/
require_once (trailingslashit(dirname(__FILE__)) . "nextend-facebook-settings.php");
if (
class_exists('NextendFBSettings')) {
  
$nextendfbsettings = new NextendFBSettings();
  if (isset(
$nextendfbsettings)) {
    
add_action('admin_menu', array(&$nextendfbsettings,
      
'NextendFB_Menu'
    
) , 1);
  }
}
add_filter('plugin_action_links''new_fb_plugin_action_links'102);

function 
new_fb_plugin_action_links($links$file) {

  if (
$file != NEW_FB_LOGIN_PLUGIN_BASENAME) return $links;
  
$settings_link '<a href="' menu_page_url('nextend-facebook-connect'false) . '">' esc_html(__('Settings''nextend-facebook-connect')) . '</a>';
  
array_unshift($links$settings_link);
  return 
$links;
}

/* -----------------------------------------------------------------------------
Miscellaneous functions
----------------------------------------------------------------------------- */

function new_fb_sign_button() {

  global 
$new_fb_settings;
  return 
'<a href="' new_fb_login_url() . (isset($_GET['redirect_to']) ? '&redirect=' $_GET['redirect_to'] : '') . '" rel="nofollow">' $new_fb_settings['fb_login_button'] . '</a><br />';
}

function 
new_fb_link_button() {

  global 
$new_fb_settings;
  return 
'<a href="' new_fb_login_url() . '&redirect=' new_fb_curPageURL() . '">' $new_fb_settings['fb_link_button'] . '</a><br />';
}

function 
new_fb_unlink_button() {

  global 
$new_fb_settings;
  return 
'<a href="' new_fb_login_url() . '&action=unlink&redirect=' new_fb_curPageURL() . '">' $new_fb_settings['fb_unlink_button'] . '</a><br />';
}

function 
new_fb_curPageURL() {

  
$pageURL 'http';
  if (isset(
$_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on") {
    
$pageURL.= "s";
  }
  
$pageURL.= "://";
  if (
$_SERVER["SERVER_PORT"] != "80") {
    
$pageURL.= $_SERVER["SERVER_NAME"] . ":" $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"];
  } else {
    
$pageURL.= $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"];
  }
  return 
$pageURL;
}

function 
new_fb_login_url() {

  return 
site_url('wp-login.php') . '?loginFacebook=1';
}

function 
new_fb_redirect() {
  
  
$redirect get_site_transientnextend_uniqid().'_fb_r');

  if (!
$redirect || $redirect == '' || $redirect == new_fb_login_url()) {
    if (isset(
$_GET['redirect'])) {
      
$redirect $_GET['redirect'];
    } else {
      
$redirect site_url();
    }
  }
  
header('LOCATION: ' $redirect);
  
delete_site_transientnextend_uniqid().'_fb_r');
  exit;
}

function 
new_fb_edit_profile_redirect() {

  global 
$wp;
  if (isset(
$wp->query_vars['editProfileRedirect'])) {
    if (
function_exists('bp_loggedin_user_domain')) {
      
header('LOCATION: ' bp_loggedin_user_domain() . 'profile/edit/group/1/');
    } else {
      
header('LOCATION: ' self_admin_url('profile.php'));
    }
    exit;
  }
}
add_action('parse_request''new_fb_edit_profile_redirect');

function 
new_fb_jquery() {

  
wp_enqueue_script('jquery');
}
add_action('login_form_login''new_fb_jquery');
add_action('login_form_register''new_fb_jquery');

/*
Session notices used in the profile settings
*/

function new_fb_admin_notice() {
  
$user_info wp_get_current_user();
  
$notice get_site_transient($user_info->ID.'_new_fb_admin_notice');
  if (
$notice !== false) {
    echo 
'<div class="updated">
       <p>' 
$notice '</p>
    </div>'
;
    
delete_site_transient($user_info->ID.'_new_fb_admin_notice');
  }
}

add_action('admin_notices''new_fb_admin_notice');