<?php
/**
*
* @	This file is created by http://DeZender.Net
* @	deZender (PHP5 Decoder for ionCube Encoder)
*
* @	Version			:	3.0.8.0
* @	Author			:	DeZender
* @	Release on		:	25.09.2017
* @	Official site	:	http://DeZender.Net
*
*/

class AntiFlood
{
	const OPTION_COUNTER_RESET_SECONDS = 'COUNTER_RESET_SECONDS';
	const OPTION_BAN_REMOVE_SECONDS = 'BAN_REMOVE_SECONDS';
	const OPTION_MAX_REQUESTS = 'MAX_REQUESTS';
	const OPTION_DATA_PATH = 'DATA_PATH';

	private $options = null;
	private $ip = null;

	public function __construct($overrideOptions = array(  ))
	{
		$this->options = array_merge( array(
			self::OPTION_COUNTER_RESET_SECONDS => 2,
			self::OPTION_MAX_REQUESTS          => 5,
			self::OPTION_BAN_REMOVE_SECONDS    => 60,
			self::OPTION_DATA_PATH             => '/tmp/antiflood_' . str_replace( array(
			'www.',
			'.'
		), array(
			'',
			'_'
		), $_SERVER['SERVER_NAME'] )
		), $overrideOptions );
		@mkdir( $this->options[self::OPTION_DATA_PATH] );
		$this->ip = $_SERVER['REMOTE_ADDR'];
	}

	public function isBanned()
	{
		$controlLockFile = $this->options[self::OPTION_DATA_PATH] . '/' . str_replace( '.', '_', $this->ip );

		if (file_exists( $controlLockFile )) {
			if ($this->options[self::OPTION_BAN_REMOVE_SECONDS] < (time(  ) - filemtime( $controlLockFile ))) {
				unlink( $controlLockFile );
			}
			else {
				touch( $controlLockFile );
				return true;
			}
		}

		$controlFile = $this->options[self::OPTION_DATA_PATH] . '/ctrl';
		$control = array(  );

		if (file_exists( $controlFile )) {
			$fh = fopen( $controlFile, 'r' );
			$fileContentsArr = ((0 < filesize( $controlFile ) ? json_decode( fread( $fh, filesize( $controlFile ) ), true ) : array(  )));
			$control = array_merge( $control, $fileContentsArr );
			fclose( $fh );
		}

		if (isset( $control[$this->ip] )) {
			if ((time(  ) - $control[$this->ip]['t']) < $this->options[self::OPTION_COUNTER_RESET_SECONDS]) {
				++$control[$this->ip]['c'];
			}
			else {
				$control[$this->ip]['c'] = 1;
			}
		}
		else {
			$control[$this->ip]['c'] = 1;
		}

		$control[$this->ip]['t'] = time(  );

		if ($this->options[self::OPTION_MAX_REQUESTS] < $control[$this->ip]['c']) {
			$fh = fopen( $controlLockFile, 'w' );
			fwrite( $fh, '' );
			fclose( $fh );
		}

		$fh = fopen( $controlFile, 'w' );
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