<?php
/**
* External Sources Facebook Class
* @since: 5.0
* @author ThemePunch <info@themepunch.com>
* @link https://www.sliderrevolution.com/
* @copyright 2022 ThemePunch
*/
if(!defined('ABSPATH')) exit();
/**
* Facebook
*
* with help of the API this class delivers album images from Facebook
*
* @package socialstreams
* @subpackage socialstreams/facebook
* @author ThemePunch <info@themepunch.com>
*/
class RevSliderFacebook extends RevSliderFunctions {
const TRANSIENT_PREFIX = 'revslider_fb_';
const URL_FB_AUTH = 'fb/login.php';
const URL_FB_API = 'fb/api.php';
const QUERY_SHOW = 'fb_show';
const QUERY_TOKEN = 'fb_token';
const QUERY_PAGE_ID = 'fb_page_id';
const QUERY_CONNECTWITH = 'fb_page_name';
const QUERY_ERROR = 'fb_error_message';
/**
* @var int Transient time in seconds
*/
private $transient_sec;
public function __construct($transient_sec = 1200){
$this->transient_sec = $transient_sec;
}
/**
* @return int
*/
public function getTransientSec(){
return $this->transient_sec;
}
/**
* @param int $transient_sec
*/
public function setTransientSec($transient_sec){
$this->transient_sec = $transient_sec;
}
public function add_actions(){
add_action('init', array(&$this, 'do_init'), 5);
add_action('admin_footer', array(&$this, 'footer_js'));
add_action('revslider_slider_on_delete_slider', array(&$this, 'on_delete_slider'), 10, 1);
}
/**
* check if we have QUERY_ARG set
* try to login the user
*/
public function do_init(){
// are we on revslider page?
if($this->get_val($_GET, 'page') != 'revslider') return;
//fb returned error
if (isset($_GET[self::QUERY_ERROR])) return;
//we need token and slide ID to proceed with saving token
if (!isset($_GET[self::QUERY_TOKEN]) || !isset($_GET['id'])) return;
$token = $_GET[self::QUERY_TOKEN];
$connectwith = isset($_GET[self::QUERY_CONNECTWITH]) ? $_GET[self::QUERY_CONNECTWITH] : '';
$page_id = isset($_GET[self::QUERY_PAGE_ID]) ? $_GET[self::QUERY_PAGE_ID] : '';
$id = (isset($_GET['id'])) ? $_GET['id'] : '';
$slider = new RevSliderSlider();
$slide = new RevSliderSlide();
$slide->init_by_id($id);
$slider_id = $slide->get_slider_id();
if(intval($slider_id) == 0){
$_GET[self::QUERY_ERROR] = __('Slider could not be loaded', 'revslider');
return;
}
$slider->init_by_id($slider_id);
if($slider->inited === false){
$_GET[self::QUERY_ERROR] = __('Slider could not be loaded', 'revslider');
return;
}
$slider->set_param(array('source', 'facebook', 'token_source'), 'account');
$slider->set_param(array('source', 'facebook', 'appId'), $token);
$slider->set_param(array('source', 'facebook', 'page_id'), $page_id);
$slider->set_param(array('source', 'facebook', 'connect_with'), $connectwith);
$slider->update_params(array());
//redirect
$url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
$url = add_query_arg(array(self::QUERY_TOKEN => false, self::QUERY_PAGE_ID => false, self::QUERY_CONNECTWITH => false, self::QUERY_SHOW => 1), $url);
wp_redirect($url);
exit();
}
public function footer_js() {
// are we on revslider page?
if($this->get_val($_GET, 'page') != 'revslider') return;
if(isset($_GET[self::QUERY_SHOW]) || isset($_GET[self::QUERY_ERROR])) {
echo '<script>jQuery(document).ready(function(){ RVS.DOC.one("builderInitialised", function(){RVS.F.mainMode({mode:"sliderlayout", forms:["*sliderlayout*#form_slidercontent"], set:true, uncollapse:true,slide:RVS.S.slideId});RVS.F.updateSliderObj({path:"settings.sourcetype",val:"facebook"});RVS.F.updateEasyInputs({container:jQuery("#form_slidercontent"), trigger:"init", visualUpdate:true});}); });</script>';
}
if(isset($_GET[self::QUERY_ERROR])){
$err = __('Facebook API error: ', 'revslider') . esc_html($_GET[self::QUERY_ERROR]);
echo '<script>jQuery(document).ready(function(){ RVS.DOC.one("builderInitialised", function(){ RVS.F.showInfo({content:"' . $err . '", type:"warning", showdelay:1, hidedelay:5, hideon:"", event:"" }); });});</script>';
}
}
public static function get_login_url(){
$rslb = RevSliderGlobals::instance()->get('RevSliderLoadBalancer');
$id = (isset($_GET['id'])) ? $_GET['id'] : '';
$state = base64_encode(admin_url('admin.php?page=revslider&view=slide&id='.$id));
return $rslb->get_url('updates') . '/' . self::URL_FB_AUTH . '?state=' . $state;
}
protected function _make_api_call($args = array()){
global $wp_version;
$rslb = RevSliderGlobals::instance()->get('RevSliderLoadBalancer');
$response = wp_remote_post($rslb->get_url('updates') . '/' . self::URL_FB_API, array(
'user-agent' => 'WordPress/'.$wp_version.'; '.get_bloginfo('url'),
'body' => $args,
'timeout' => 45
));
if(is_wp_error($response)) {
return array(
'error' => true,
'message' => 'Facebook API error: ' . $response->get_error_message(),
);
}
$responseData = json_decode($response['body'], true);
if(empty($responseData)) {
return array(
'error' => true,
'message' => 'Facebook API error: Empty response body or wrong data format',
);
}
return $responseData;
}
protected function _get_transient_fb_data($requestData){
$transient_name = self::TRANSIENT_PREFIX . $requestData['slider_id'] . '_' . md5(json_encode($requestData));
if($this->transient_sec > 0 && false !== ($data = get_transient($transient_name))){
return $data;
}
$responseData = $this->_make_api_call($requestData);
//code that use this function do not process errors
//return empty array
if($responseData['error']){
return array();
}
if(isset($responseData['data'])){
set_transient($transient_name, $responseData['data'], $this->transient_sec);
return $responseData['data'];
}
return array();
}
/**
* Get Photosets List from User
*
* @param string $access_token page access token
* @param string $page_id page id
* @return mixed
*/
public function get_photo_sets($access_token, $page_id){
return $this->_make_api_call(array(
'token' => $access_token,
'page_id' => $page_id,
'action' => 'albums',
));
}
/**
* Get Photosets List from User as Options for Selectbox
*
* @param string $access_token page access token
* @param string $page_id page id
* @return mixed options html string | array('error' => true, 'message' => '...');
*/
public function get_photo_set_photos_options($access_token, $page_id){
$photo_sets = $this->get_photo_sets($access_token, $page_id);
if($photo_sets['error']) return $photo_sets;
$return = array();
if(is_array($photo_sets['data'])){
foreach($photo_sets['data'] as $photo_set){
$return[] = '<option title="'.$photo_set['name'].'" value="'.$photo_set['id'].'">'.$photo_set['name'].'</option>"';
}
}
return $return;
}
/**
* Get Photoset Photos
*
* @param mixed $slider_id slider id
* @param string $access_token page access token
* @param string $album_id Album ID
* @param int $item_count items count
* @return array
*/
public function get_photo_set_photos($slider_id, $access_token, $album_id, $item_count = 8){
$requestData = array(
'slider_id' => $slider_id,
'token' => $access_token,
'action' => 'photos',
'album_id' => $album_id,
'limit' => $item_count,
);
return $this->_get_transient_fb_data($requestData);
}
/**
* Get Feed
*
* @param mixed $slider_id slider id
* @param string $access_token page access token
* @param string $page_id page id
* @param int $item_count items count
* @return array
*/
public function get_photo_feed($slider_id, $access_token, $page_id, $item_count = 8){
$requestData = array(
'slider_id' => $slider_id,
'token' => $access_token,
'page_id' => $page_id,
'action' => 'feed',
'limit' => $item_count,
);
return $this->_get_transient_fb_data($requestData);
}
/**
* delete slider fb transients upon deletion
*
* @param $id slider id
* @return void
*/
public function on_delete_slider($id)
{
global $wpdb;
if (empty($id)) return;
$prefix = self::TRANSIENT_PREFIX . $id;
$wpdb->query($wpdb->prepare("DELETE FROM $wpdb->options WHERE `option_name` LIKE '%s'", '%'.$prefix.'%'));
//$wpdb->query($wpdb->prepare("DELETE FROM $wpdb->options WHERE `option_name` LIKE '%%%s%%'", $wpdb->esc_like($prefix)));
}
}