<?

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":790,"date":"2020-04-15T14:37:07","date_gmt":"2020-04-15T14:37:07","guid":{"rendered":"https:\/\/www.film-antimicrobien.fr\/?p=790"},"modified":"2020-05-16T20:48:24","modified_gmt":"2020-05-16T20:48:24","slug":"decouvrez-virus-communication-dans-le-progres","status":"publish","type":"post","link":"https:\/\/www.film-antimicrobien.fr\/decouvrez-virus-communication-dans-le-progres\/","title":{"rendered":"D\u00e9couvrez nous dans le Progr\u00e8s !"},"content":{"rendered":"\n<p>Aujourd&rsquo;hui mercredi 15 avril 2020, Virus Communication se retrouve dans les pages du Progr\u00e8s ! Fran\u00e7oise Darfeuille de la Caf\u00e9one de Brignais explique aussi pourquoi elle a choisi nos produits pour son commerce.<\/p>\n\n\n\n<p><strong>\u00ab\u00a0Ce film antimicrobien s\u2019autod\u00e9sinfecte : le Covid-19 le d\u00e9teste<\/strong>*\u00a0\u00bb<\/p>\n\n\n\n<p>Ce journal r\u00e9gional pour le d\u00e9partement du Rh\u00f4ne couvre l&rsquo;Est Lyonnais, l&rsquo;Ouest Lyonnais et Val de Sa\u00f4ne, Oullins &#8211; Givors &#8211; Monts du Lyonnais, Tarare &#8211; L&rsquo;Arbresle &#8211; Monts du Lyonnais, Villefranche et Beaujolais, Lyon Villeurbanne.<\/p>\n\n\n\n<p>De nombreuses \u00e9tudes d\u00e9montrent que les \u00e9crans des bornes tactiles sont 500 fois plus contamin\u00e9es que les cuvettes des toilettes et que 72% des poign\u00e9es de caddies sont recouvertes de bact\u00e9ries f\u00e9cales, dont la moiti\u00e9 de E.coli. En parall\u00e8le, l\u2019OMS estime que chaque ann\u00e9e 50.000 personnes en Europe d\u00e9c\u00e8dent d\u2019infections nosocomiales, dont 4000 rien qu\u2019en France.<\/p>\n\n\n\n<p>Face \u00e0 ces constats,<strong> l\u2019entreprise lyonnaise <a href=\"https:\/\/www.virus-communication.com\" target=\"_blank\" rel=\"noreferrer noopener\">Virus Communication<\/a> <\/strong>met d\u00e9sormais son savoir faire en pose de films techniques dans la lutte anti-microbienne.<\/p>\n\n\n\n<p><strong>En effet des produits nouvelles g\u00e9n\u00e9rations permettent de garder des surfaces propres 24h\/24 et de r\u00e9duire imm\u00e9diatement 99,99% des bact\u00e9ries.<\/strong> <strong>Les <a href=\"https:\/\/www.film-antimicrobien.fr\/nos-films\/\" target=\"_blank\" rel=\"noreferrer noopener\">films de lamination biocides PureZone<\/a> sont fabriqu\u00e9s en France, sans substances nocives, non irritants pour la peau et efficaces pendant 5 ans.<\/strong><\/p>\n\n\n\n<p>Produits tr\u00e8s contr\u00f4l\u00e9s et hautement antibact\u00e9riens, ils sont homologu\u00e9s pour le milieu m\u00e9dical&nbsp;et certifi\u00e9s par la<strong> norme <\/strong><strong>ISO 22196<\/strong>.<\/p>\n\n\n\n<p><em>*titre de l&rsquo;article du Progr\u00e8s<\/em><\/p>\n\n\n\n<p>Lien vers l&rsquo;article du Progr\u00e8s <a rel=\"noreferrer noopener\" href=\"https:\/\/www.leprogres.fr\/edition-sud-lyonnais\/infos-locales\" target=\"_blank\">Acc\u00e8s Infos locales<\/a> &#8211; <a href=\"https:\/\/www.leprogres.fr\/edition-sud-lyonnais\/2020\/04\/15\/ce-film-antimicrobien-s-autodesinfecte-le-covid-19-le-deteste\" target=\"_blank\" rel=\"noreferrer noopener\">Acc\u00e8s Article<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Selon une \u00e9tude du New England Journal of Medecine, le coronavirus COVID-19 pourrait survivre jusqu&rsquo;\u00e0 plusieurs jours sur les surfaces.<\/p>\n","protected":false},"author":1,"featured_media":791,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[27,26,34,25,28,30,31,32,29,33],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>D\u00e9couvrez nous dans le Progr\u00e8s ! 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