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Dir : /home/trave494/footcrew.com/wp-content/plugins/revslider/admin/includes/loadbalancer.class.php |
<?php /** * @author ThemePunch <info@themepunch.com> * @link https://www.themepunch.com/ * @copyright 2019 ThemePunch */ if(!defined('ABSPATH')) exit(); class RevSliderLoadBalancer { public $servers = array(); /** * set the server list on construct **/ public function __construct(){ $this->servers = get_option('revslider_servers', array()); $this->servers = (empty($this->servers)) ? array('themepunch.tools') : $this->servers; } /** * get the url depending on the purpose, here with key, you can switch do a different server **/ public function get_url($purpose, $key = 0, $force_http = false){ $url = ($force_http ) ? 'http://' : 'https://'; $use_url = (!isset($this->servers[$key])) ? reset($this->servers) : $this->servers[$key]; switch($purpose){ case 'updates': $url .= 'updates.'; break; case 'templates': $url .= 'templates.'; break; case 'library': $url .= 'library.'; break; default: return false; } $url .= $use_url; return $url; } /** * refresh the server list to be used, will be done once in a month **/ public function refresh_server_list($force = false){ global $wp_version; $rs_rsl = (isset($_GET['rs_refresh_server'])) ? true : false; $last_check = get_option('revslider_server_refresh', false); if($force === true || $rs_rsl == true || $last_check === false || time() - $last_check > 60 * 60 * 24 * 14){ //$url = $this->get_url('updates'); $url = 'https://updates.themepunch.tools'; $request = wp_remote_post($url.'/get_server_list.php', array( 'user-agent' => 'WordPress/'.$wp_version.'; '.get_bloginfo('url'), 'body' => array( 'item' => urlencode(RS_PLUGIN_SLUG), 'version' => urlencode(RS_REVISION) ), 'timeout' => 45 )); if(!is_wp_error($request)){ if($response = maybe_unserialize($request['body'])){ $list = json_decode($response, true); update_option('revslider_servers', $list); } } update_option('revslider_server_refresh', time()); } } /** * move the server list, to take the next server as the one currently seems unavailable **/ public function move_server_list(){ $servers = $this->servers; $a = array_shift($servers); $servers[] = $a; $this->servers = $servers; update_option('revslider_servers', $servers); } /** * call an themepunch URL and retrieve data **/ public function call_url($url, $data, $subdomain = 'updates', $force_http = false){ global $wp_version; //add version if not passed $data['version'] = (!isset($data['version'])) ? urlencode(RS_REVISION) : $data['version']; $done = false; $count = 0; do{ $server = $this->get_url($subdomain, 0, $force_http); $request = wp_remote_post($server.'/'.$url, array( 'user-agent' => 'WordPress/'.$wp_version.'; '.get_bloginfo('url'), 'body' => $data, 'timeout' => 45 )); $response_code = wp_remote_retrieve_response_code($request); if($response_code == 200){ $done = true; }else{ $this->move_server_list(); } $count++; }while($done == false && $count < 5); return $request; } } ?>