<?

define('wpadtiddos_seconds_limit_GET',1);
define('wpadtiddos_seconds_limit_XHR',3);

class wp_antiddos
{
	var $enable = true;
	var $hits_limit_GET = 3; // hits limit for GET requests (per wpadtiddos_seconds_limit_GET second)
	var $hits_limit_XHR = 3; // hits limit for XHR requests (per wpadtiddos_seconds_limit_XHR second)
	var $seconds_limit_POST = 3; // seconds limit for POST requests
	var $seconds_limit_AUTH = 3; // seconds limit for AUTH (Password) requests
	var $visitor; // status of visitor = raw|cool|warm|hot
	var $warm_level; // number of hits for last $seconds_limit seconds that cause visitor`s status turn to warm
	var $auto = true; // block visitors by AntiDDOS
	var $delay_time = 30; // seconds of delay of blocked visitors
	var $block_cnet = true; // block all C class net.
	var $cloudflare = true; // convert Cloudflare HTTP_CF_CONNECTING_IP to REMOTE_ADDR
	var $send_header = false; // send "WP_AntiDDOS: yes" header for debug purposes
	var $only_params_enabled = false; // Only Params feature enabled
	var $only_params = 's'; // the only GET/POST params that trigger checkup
	var $status, $error_msg;
	var $conn; // mysql connection
	var $hits = false; // actual hits number for current IP
	var $cookie = ''; // wpantiddos cookie value that prevents anti DDOS processing
	var $table_name = '';
	var $pass_param = 'pwd'; // name of POST parameter that indentify Login (AUTH) request
	var $delay_message = 'Our server is currently overloaded, your request will be repeated automatically in %s seconds';
	var $delay_message_auth = 'Our server is currently overloaded, your request will be repeated automatically in %s seconds';

	public function __construct()
	{
		if (isset($GLOBALS['wp_antiddos_instance']))
			return;
		else
			$GLOBALS['wp_antiddos_instance'] = &$this;

		if ($_SERVER['REMOTE_ADDR']=='127.0.0.1')
			return;

		$this->conn = mysqli_connect(DB_HOST,DB_USER,DB_PASSWORD);
		$ok = mysqli_select_db($this->conn,DB_NAME);
		if (!$ok) return false;
		
		$this->get_options();

		// plugin disabled
		if (!$this->enable) return;

		// current request is admin's one
		if (isset($_COOKIE['wpantiddos']) && $_COOKIE['wpantiddos']==$this->cookie) return;

		if ($this->only_params_enabled)
			if (!$this->only_param_detected())
				return;

		// detect request type and limits
		if ($this->xhr_request())
		{
			if ($this->hits_limit_XHR=='ANY') return;
			$request_type = 'xhr';
			$hits_limit = $this->hits_limit_XHR;
			$seconds_limit = wpadtiddos_seconds_limit_XHR;
		}
		elseif ($_POST && isset($_POST[$this->pass_param]) )
		{
			if ($this->seconds_limit_AUTH=='ANY') return;
			$request_type = 'auth';
			$seconds_limit = $this->seconds_limit_AUTH;
			$this->only_params .= ' '.$this->pass_param;
			$hits_limit = 1;
		}
		elseif ($_POST)
		{
			if ($this->seconds_limit_POST=='ANY') return;
			$request_type = 'post';	
			$hits_limit = 1;
			$seconds_limit = $this->seconds_limit_POST;
		}
		else
		{
			if ($this->hits_limit_GET=='ANY') return;	
			$request_type = 'get';
			$hits_limit = $this->hits_limit_GET;
			$seconds_limit = wpadtiddos_seconds_limit_GET;
		}

		if ($this->send_header)
			header("WP_AntiDDOS: yes");

		if ($this->cloudflare)
		{
			if (isset($_SERVER['HTTP_CF_CONNECTING_IP']))
				$_SERVER['REMOTE_ADDR'] = $_SERVER['HTTP_CF_CONNECTING_IP'];
		}
		$this->ip = $_SERVER['REMOTE_ADDR'];
		
		if ($this->block_cnet)
			$this->ip = substr($this->ip,0,strrpos($this->ip,'.')+1);

		$this->warm_level = ceil($hits_limit/2);
		try
		{
			$res = mysqli_query($this->conn,"SELECT count(*) kount FROM $this->table_name WHERE ip='".addslashes($this->ip)."' AND tstamp>".(time()-$seconds_limit)." AND type='$request_type'");
			$row = mysqli_fetch_assoc($res);

			if (!$row)
				$this->error_msg = 'Error detected';
			$this->hits = @$row['kount']+1; // consider current request too

			if ($this->hits==0) // if no hits from this IP
				$this->visitor = "new";
			elseif ($this->hits>$hits_limit)
				$this->visitor = "hot";
			elseif ($this->hits>=$this->warm_level)
				$this->visitor = "warm";
			else
				$this->visitor = "cool";

			// add current hit
			mysqli_query($this->conn,"INSERT INTO $this->table_name SET ip='$this->ip', type='$request_type', tstamp=".time());
			// cleanup  ip list
			$clear_time = max($this->delay_time,$seconds_limit);
			mysqli_query($this->conn,"DELETE FROM $this->table_name WHERE tstamp<".(time()-$clear_time));
		}
		catch(Exception $e)
		{
			$this->error_msg = $e->getString();
			$this->status = 'error';
			mysqli_close($this->conn);
			return;
		}
		mysqli_close($this->conn);
		if (!empty($this->error_msg) )
		{
			$this->status = 'error';
		}
		if ($this->auto && $this->visitor=='hot')
		{
			header('HTTP/1.0 503 Service Unavailable');
			header('Status: 503 Service Unavailable');
			header("Retry-After: ".($this->delay_time+1)); // submit form first if POST request
			if (!$_POST)
				print "<html><meta http-equiv='refresh' content='$this->delay_time'><body>";
			else
			{
				$inputs = $this->array_to_fields($_POST);
				print '<html><meta charset="utf-8"> <body><form method="post" id="form" accept-charset="UTF-8">
					<input id="submit" type="submit" style="visibility:hidden" />'.
					$inputs.
					'</form>
					<script>
						setTimeout(function(){ 
							var button = document.getElementById("submit");
							button.click();
						},'.$this->delay_time.'000);
					</script>';
			}
			if ($request_type=='auth')
				printf("<h2>$this->delay_message_auth</h2></body></html>",$this->delay_time);
			else
				printf("<h2>$this->delay_message</h2></body></html>",$this->delay_time);
			die();
		}

	}

	function xhr_request()
	{
		if (isset($_SERVER['HTTP_X_REQUESTED_WITH']))
		{
			if ($_SERVER['HTTP_X_REQUESTED_WITH']=='XMLHttpRequest')
				return true;
		}
		else
		{
			$headers = getallheaders();
			if (isset($headers['X-Requested-With']) && $headers['X-Requested-With']=='XMLHttpRequest')
				return true;
		}
		return false;
	}

	public function get_options()
	{
		global $table_prefix;
		$result = mysqli_query($this->conn,"SELECT option_name, option_value FROM {$table_prefix}options WHERE option_name LIKE 'Wpantiddos_Plugin_%'");

	    while ($row = mysqli_fetch_assoc($result)) {
			$name = str_replace('Wpantiddos_Plugin_','',$row['option_name']);
			$value = $row['option_value'];
			if ($value==='Yes') $value = true;
			if ($value==='No') $value = false;
			if (isset($this->$name))
				$this->$name = $value;
		}
	}

	public function only_param_detected()
	{
		$acual = array_merge(array_keys($_GET),array_keys($_POST));
		$found = array_intersect($acual,explode(' ',trim($this->only_params)));
		return $found;
	}
	
	function array_to_fields($fields, $prefix = '') {
		$form_html = '';

		foreach ($fields as $name => $value) {
			if ( ! is_array($value)) {
				if ( ! empty($prefix)) {
					$name = $prefix . '[' . $name . ']';
				}
				// generate the hidden field
				$form_html .= "<input type=\"hidden\" name=\"$name\" value=\"".$value."\" />\n";
			} else {
				if ( ! empty($prefix)) {
					$subprefix = $prefix . '[' . $name . ']';
				} else {
					$subprefix = $name;
				}
				$form_html .= array_to_fields($value, $subprefix);
			}
		}

		return $form_html; 
	}	
	
}


?>{"id":105,"date":"2019-03-07T07:43:42","date_gmt":"2019-03-07T07:43:42","guid":{"rendered":"http:\/\/staging.pearlthemes.com\/medicalguide\/?page_id=105"},"modified":"2020-04-10T10:19:04","modified_gmt":"2020-04-10T10:19:04","slug":"domaine-applications","status":"publish","type":"page","link":"https:\/\/www.film-antimicrobien.fr\/domaine-applications\/","title":{"rendered":"Domaine d&rsquo;applications"},"content":{"rendered":"\n<p>De plus en plus, la question de l&rsquo;optimisation sanitaire revient sur le devant de la sc\u00e8ne. Les derni\u00e8res actualit\u00e9s montrent que d&rsquo;une mani\u00e8re g\u00e9n\u00e9rale, nombre d&rsquo;objets et de surfaces ne sont jamais nettoy\u00e9es, ou alors insuffisamment. Face \u00e0 ce constat, nous vous apportons plusieurs solutions applicables \u00e0 divers secteurs.<\/p>\n\n\n\n<p>Les films anti-microbiens d\u00e9sinfectent en continu 24h\/24 et 7j\/j, ils r\u00e9pondent aux imp\u00e9ratifs d&rsquo;hygi\u00e8ne et de s\u00e9curit\u00e9 sanitaire.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>De plus en plus, la question de l&rsquo;optimisation sanitaire revient sur le devant de la sc\u00e8ne. Les derni\u00e8res actualit\u00e9s montrent que d&rsquo;une mani\u00e8re g\u00e9n\u00e9rale, nombre d&rsquo;objets et de surfaces ne sont jamais nettoy\u00e9es, ou alors insuffisamment. Face \u00e0 ce constat, nous vous apportons plusieurs solutions applicables \u00e0 divers secteurs. Les films anti-microbiens d\u00e9sinfectent en continu 24h\/24 et 7j\/j, ils r\u00e9pondent aux imp\u00e9ratifs d&rsquo;hygi\u00e8ne et de s\u00e9curit\u00e9 sanitaire.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/service-4-column.php","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Domaine d&#039;applications et Secteurs d&#039;activit\u00e9 pour les Films Antimicrobiens<\/title>\n<meta name=\"description\" content=\"Les derni\u00e8res actualit\u00e9s montrent que d&#039;une mani\u00e8re g\u00e9n\u00e9rale, nombre d&#039;objets et de surfaces ne sont jamais nettoy\u00e9es, ou alors insuffisamment.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.film-antimicrobien.fr\/domaine-applications\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Domaine d&#039;applications et Secteurs d&#039;activit\u00e9 pour les Films Antimicrobiens\" \/>\n<meta property=\"og:description\" content=\"Les derni\u00e8res actualit\u00e9s montrent que d&#039;une mani\u00e8re g\u00e9n\u00e9rale, nombre d&#039;objets et de surfaces ne sont jamais nettoy\u00e9es, ou alors insuffisamment.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.film-antimicrobien.fr\/domaine-applications\/\" \/>\n<meta property=\"og:site_name\" content=\"Films Antimicrobiens\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/viruscommunicationofficiel\/\" \/>\n<meta property=\"article:modified_time\" content=\"2020-04-10T10:19:04+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@ContactVirus\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.film-antimicrobien.fr\/#organization\",\"name\":\"Virus Communication\",\"url\":\"https:\/\/www.film-antimicrobien.fr\/\",\"sameAs\":[\"https:\/\/www.facebook.com\/viruscommunicationofficiel\/\",\"https:\/\/www.instagram.com\/viruscommunication\/\",\"https:\/\/www.linkedin.com\/company\/virus-communication\",\"https:\/\/twitter.com\/ContactVirus\"],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.film-antimicrobien.fr\/#logo\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/www.film-antimicrobien.fr\/wp-content\/uploads\/2020\/03\/logo260-1.png\",\"contentUrl\":\"https:\/\/www.film-antimicrobien.fr\/wp-content\/uploads\/2020\/03\/logo260-1.png\",\"width\":260,\"height\":69,\"caption\":\"Virus Communication\"},\"image\":{\"@id\":\"https:\/\/www.film-antimicrobien.fr\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.film-antimicrobien.fr\/#website\",\"url\":\"https:\/\/www.film-antimicrobien.fr\/\",\"name\":\"Films Antimicrobiens Virus Protect\",\"description\":\"KO les microbes !\",\"publisher\":{\"@id\":\"https:\/\/www.film-antimicrobien.fr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.film-antimicrobien.fr\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.film-antimicrobien.fr\/domaine-applications\/#webpage\",\"url\":\"https:\/\/www.film-antimicrobien.fr\/domaine-applications\/\",\"name\":\"Domaine d'applications et Secteurs d'activit\\u00e9 pour les Films Antimicrobiens\",\"isPartOf\":{\"@id\":\"https:\/\/www.film-antimicrobien.fr\/#website\"},\"datePublished\":\"2019-03-07T07:43:42+00:00\",\"dateModified\":\"2020-04-10T10:19:04+00:00\",\"description\":\"Les derni\\u00e8res actualit\\u00e9s montrent que d'une mani\\u00e8re g\\u00e9n\\u00e9rale, nombre d'objets et de surfaces ne sont jamais nettoy\\u00e9es, ou alors insuffisamment.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.film-antimicrobien.fr\/domaine-applications\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.film-antimicrobien.fr\/domaine-applications\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.film-antimicrobien.fr\/domaine-applications\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.film-antimicrobien.fr\/\",\"url\":\"https:\/\/www.film-antimicrobien.fr\/\",\"name\":\"Accueil\"}},{\"@type\":\"ListItem\",\"position\":2,\"item\":{\"@id\":\"https:\/\/www.film-antimicrobien.fr\/domaine-applications\/#webpage\"}}]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.film-antimicrobien.fr\/wp-json\/wp\/v2\/pages\/105"}],"collection":[{"href":"https:\/\/www.film-antimicrobien.fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.film-antimicrobien.fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.film-antimicrobien.fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.film-antimicrobien.fr\/wp-json\/wp\/v2\/comments?post=105"}],"version-history":[{"count":4,"href":"https:\/\/www.film-antimicrobien.fr\/wp-json\/wp\/v2\/pages\/105\/revisions"}],"predecessor-version":[{"id":784,"href":"https:\/\/www.film-antimicrobien.fr\/wp-json\/wp\/v2\/pages\/105\/revisions\/784"}],"wp:attachment":[{"href":"https:\/\/www.film-antimicrobien.fr\/wp-json\/wp\/v2\/media?parent=105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}