<?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
*
*/

namespace WHMCS;

class License
{
	const LICENSE_API_VERSION = '1.1';
	const LICENSE_API_HOSTS = array(
		'a.licensing.whmcs.com',
		'b.licensing.whmcs.com',
		'c.licensing.whmcs.com',
		'd.licensing.whmcs.com',
		'e.licensing.whmcs.com',
		'f.licensing.whmcs.com'
	);

	private $licensekey = '';
	private $localkey = '';
	private $keydata = array(  );
	private $salt = '';
	private $date = '';
	private $localkeydecoded = false;
	private $responsedata = '';
	private $postmd5hash = '';
	private $localkeydays = '10';
	private $allowcheckfaildays = '5';
	/**
     * @var array
     */
	private $debuglog = array(  );
	private $version = '5cc7720f613926993107a6123a28eeaad706fc6a42324b40a3764748a28322280f5c373047bb2efad6f350a3bf070ad7ea0814abc720a6fb284fa6df4abea02e';

	public function __construct(Application $whmcs)
	{
		$this->licensekey = $whmcs->get_license_key(  );
		$this->localkey = $whmcs->get_config( 'License' );
		$this->salt = sha1( 'WHMCS' . $whmcs->get_config( 'Version' ) . 'TFB' . $whmcs->get_hash(  ) );
		$this->date = date( 'Ymd' );
		$this->decodeLocalOnce(  );

		if (isset( $_GET['forceremote'] )) {
			$this->forceRemoteCheck(  );
			Terminus::getInstance(  )->doExit(  );
		}
	}

	/**
     * Retrieve a WHMCS\License object via singleton.
     *
     * @deprecated 6.0 Instance should be retrieved from DI [DI::make('license');]
     *
     * @return License
     */
	public static function getInstance()
	{
		return DI::make( 'license' );
	}

	public function useInternalLicensingValidation()
	{
		$config = App::getApplicationConfig(  );
		return (bool) $config['use_internal_licensing_validation'];
	}

	/**
     * Retrieve a list of licensing server IPs
     *
     * @return array
     */
	private function getHosts()
	{
		if ($this->useInternalLicensingValidation(  )) {
			return array( 'hou-1.licensing.web.staging.whmcs.com' );
		}

		return self::LICENSE_API_HOSTS;
	}

	public function getLicenseKey()
	{
		return $this->licensekey;
	}

	private function getHostIP()
	{
		return WHMCS_LICENSE_IP;
	}

	private function getHostDomain()
	{
		return WHMCS_LICENSE_DOMAIN;
	}

	private function getHostDir()
	{
		return WHMCS_LICENSE_DIR;
	}

	public function getSalt()
	{
		return $this->salt;
	}

	public function getDate()
	{
		return $this->date;
	}

	public function checkLocalKeyExpiry()
	{
		$originalcheckdate = $this->getKeyData( 'checkdate' );
		$localexpirymax = date( 'Ymd', mktime( 0, 0, 0, date( 'm' ), date( 'd' ) - $this->localkeydays, date( 'Y' ) ) );

		if ($originalcheckdate < $localexpirymax) {
			return false;
		}

		$localmax = date( 'Ymd', mktime( 0, 0, 0, date( 'm' ), date( 'd' ) + 2, date( 'Y' ) ) );

		if ($localmax < $originalcheckdate) {
			return false;
		}

		return true;
	}

	/**
     * Build post data for license check.
     *
     * @return string[]
     */
	protected function buildPostData()
	{
		$postfields = array(  );
		$postfields['licensekey'] = $this->getLicenseKey(  );
		$postfields['domain'] = $this->getHostDomain(  );
		$postfields['ip'] = $this->getHostIP(  );
		$postfields['dir'] = $this->getHostDir(  );
		$postfields['check_token'] = sha1( time(  ) . $this->getLicenseKey(  ) . mt_rand( 1000000000, 9999999999 ) );
		$whmcs = DI::make( 'app' );
		$postfields['version'] = $whmcs->getVersion(  )->getCanonical(  );
		$postfields['phpversion'] = PHP_VERSION;
		$stats = json_decode( $whmcs->get_config( 'SystemStatsCache' ), true );

		if (!(is_array( $stats ))) {
			$stats = array(  );
		}

		$stats = array_merge( $stats, Environment\Environment::toArray(  ) );
		$postfields['anondata'] = $this->encryptMemberData( $stats );
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