simple_fb_connect.module in Simple FB Connect 8

Simple Facebook Login Module for Drupal Sites.

File

simple_fb_connect.module

<?php

/**
 * @file
 * Simple Facebook Login Module for Drupal Sites.
 */
use Drupal\Core\Url;
define("SIMPLE_FB_CONNECT_DEFAULT_DIMENSIONS_STRING", "1024x1024");
define("SIMPLE_FB_CONNECT_DEFAULT_WIDTH", 1024);
define("SIMPLE_FB_CONNECT_DEFAULT_HEIGHT", 1024);
define("SIMPLE_FB_CONNECT_PERMISSION_DENIED_PARAMETER", 'access_denied');

/**
 * Implements hook_form_alter().
 */

//function simple_fb_connect_form_alter(&$form, &$form_state, $form_id) {

//    dpm($form_id);dpm($form_state);
//    // || $form_id == 'user_register_form'
//    if($form_id == 'user_login_form') {
//      \Drupal\Core\Form::
//    }

//}

/**
 * Implements hook_libraries_info().
 */
function simple_fb_connect_libraries_info() {

  // Returns an associative array, with information about external library
  $libraries['facebook-php-sdk'] = array(
    'name' => 'Facebook PHP SDK',
    'vendor url' => 'https://github.com/facebook/facebook-php-sdk',
    'download url' => 'https://github.com/facebook/facebook-php-sdk/archive/v3.2.3.tar.gz',
    'version arguments' => array(
      'file' => 'readme.md',
      // Best practice: Document the actual version strings for later reference.
      // Facebook PHP SDK (v.3.2.2)
      'pattern' => '/Facebook PHP SDK \\(v\\.(3\\.\\d\\.\\d)\\)/',
      'lines' => 25,
    ),
    // supported library version, including relevant files
    'versions' => array(
      '3.2.2' => array(
        'files' => array(
          'php' => array(
            'src/base_facebook.php',
            'src/facebook.php',
          ),
        ),
      ),
    ),
  );
  return $libraries;
}

/**
 * Locates and loads the Facebook PHP SDK library.
 */
function simple_fb_connect_facebook_client_load_include() {
  if (!class_exists('Facebook')) {
    if (function_exists('libraries_load')) {
      $library = libraries_load('facebook-php-sdk');
    }
    else {
      $sdk_path = DRUPAL_ROOT . '/sites/all/libraries/facebook-php-sdk/src/facebook.php';
      $library = array(
        'loaded' => file_exists($sdk_path),
      );
      if ($library['loaded']) {
        require_once $sdk_path;
      }
    }
    if (!$library['loaded']) {
      watchdog('simple_fb_connect', 'Unable to load the required Facebook library');
      drupal_set_message(t('Facebook Library not found - ' . $library['error message']), 'error');
    }
  }
  return class_exists('Facebook') && defined('Facebook::VERSION');
}

/**
 * Get the facebook client object for easy access.
 * @return Facebook
 *   Facebook Api object
 */
function facebook_client() {
  static $fb = NULL;
  if (is_null($fb)) {
    if (simple_fb_connect_facebook_client_load_include()) {

      // Load the configuration.
      $config = \Drupal::config('simple_fb_connect.settings');
      $init_params = array(
        'appId' => $config
          ->get('simple_fb_connect_appid'),
        'secret' => $config
          ->get('simple_fb_connect_skey'),
      );
      $fb = new Facebook($init_params);
    }
  }
  return $fb;
}

/**
 * Generates a unique username for drupal site based on fb username.
 */
function simple_fb_connect_unique_user_name($fb_name, $i = 0) {
  $trimmed_name = '';
  $user_to_load = '';
  if ($i == 0) {
    $trimmed_name = strtolower(trim(str_replace(' ', '_', $fb_name)));
    $user_to_load = $trimmed_name;
  }
  else {
    $trimmed_name = $fb_name;
    $user_to_load = $trimmed_name . "_" . $i;
  }

  //Check if user exists by loading userbyname
  if (is_object(user_load_by_name($user_to_load))) {
    $i++;
    return simple_fb_connect_unique_user_name($trimmed_name, $i);
  }
  else {
    return $user_to_load;
  }
}

Functions

Name	Description
facebook_client	Get the facebook client object for easy access.
simple_fb_connect_facebook_client_load_include	Locates and loads the Facebook PHP SDK library.
simple_fb_connect_libraries_info	Implements hook_libraries_info().
simple_fb_connect_unique_user_name	Generates a unique username for drupal site based on fb username.

Constants

Name	Description
SIMPLE_FB_CONNECT_DEFAULT_DIMENSIONS_STRING
SIMPLE_FB_CONNECT_DEFAULT_HEIGHT
SIMPLE_FB_CONNECT_DEFAULT_WIDTH
SIMPLE_FB_CONNECT_PERMISSION_DENIED_PARAMETER