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/**
* CHRONOFORMS version 4.0
* Copyright (c) 2006 - 2011 Chrono_Man, ChronoEngine.com. All rights reserved.
* Author: Chrono_Man (ChronoEngine.com)
* @license		GNU/GPL
* Visit http://www.ChronoEngine.com for regular updates and information.
**/
/* ensure that this file is not called from another file */
defined('_JEXEC') or die('Restricted access');
class ChronoFormsAdminVersion extends JObject{
	
	function __construct(){
		
	}
		
	public static function __getValStatus(){
		$mainframe = JFactory::getApplication();
		$database = JFactory::getDBO();
		$database->setQuery("SELECT * FROM #__extensions WHERE `element` = 'com_chronoforms' AND `type` = 'component'");
		$result = $database->loadObject();
		if(!empty($result)){
			$params = new JParameter($result->params);
			return (bool)$params->get('licensevalid', 0);
		}else{
			return false;
		}
	}

	public static function validatelicense(){
		if(isset($_POST['instantcode'])){
			ChronoFormsAdminVersion::validatelicensedata();
		}else{
			$database = JFactory::getDBO();
			$query = "SELECT * FROM `#__extensions` WHERE `element` = 'com_chronoforms' AND `type` = 'component'";
			$database->setQuery( $query );
			$result = $database->loadObject();
			$params = new JParameter($result->params);
			HTML_Admin_ChronoForms::validatelicense($params);
		}
	}

	public static function validatelicensedata(){
		$mainframe = JFactory::getApplication();
		$uri = JFactory::getURI();
		preg_match('/http(s)*:\/\/(.*?)\//i', $uri->root(), $matches);
		$database = JFactory::getDBO();
		$query     = "SELECT * FROM `#__extensions` WHERE `element` = 'com_chronoforms' AND `type` = 'component'";
		$database->setQuery( $query );
		$result = $database->loadObject();
		//$configs = JComponentHelper::getParams('com_chronoforms');
		$configs = new JParameter($result->params);
		$postfields = array();
		if(isset($_POST['licensecode']) && !empty($_POST['licensecode'])){
			$configs->set('licensecode', $_POST['licensecode']);
		}
		$postfields['license_key'] = $configs->get('licensecode', '');
		$postfields['domain_name'] = $matches[2];
		$postfields['pid'] = $_POST['pid'];
		$validstatus = false;
		
		if(empty($postfields['license_key'])){
			$mainframe->redirect("index.php?option=com_chronoforms&task=validatelicense", 'You didn\'t enter your validation key.');
		}
		
		if(trim(JRequest::getVar('instantcode')) && $configs->get('licensecode', '')){
			$step1 = base64_decode(trim(JRequest::getVar('instantcode')));
			$step2 = str_replace(substr(md5(str_replace('www.', '', strtolower($matches[2]))), 0, 7), '', $step1);
			$step3 = str_replace(substr(md5(str_replace('www.', '', strtolower($matches[2]))), - strlen(md5(str_replace('www.', '', strtolower($matches[2])))) + 7), '', $step2);
			$step4 = str_replace(substr($configs->get('licensecode', ''), 0, 10), '', $step3);
			$step5 = str_replace(substr($configs->get('licensecode', ''), - strlen($configs->get('licensecode', '')) + 10), '', $step4);
			//echo (int)$step5;return;
			//if((((int)$step5 + (24 * 60 * 60)) > strtotime(date('d-m-Y H:i:s')))||(((int)$step5 - (24 * 60 * 60)) < strtotime(date('d-m-Y H:i:s')))){
			if(((int)$step5 < (strtotime("now") + (24 * 60 * 60)))&&((int)$step5 > (strtotime("now") - (24 * 60 * 60)))){
				$query = "SELECT * FROM `#__extensions` WHERE `element` = 'com_chronoforms' AND `type` = 'component'";
				$database->setQuery( $query );
				$result = $database->loadObject();
				$newline = "\n";
				if($result){
					//$newparams = 'showtipoftheday='.$configs->get('showtipoftheday', 1).$newline.'licensecode='.$configs->get('licensecode', '').$newline.'licensevalid=1';
					$newparams = new JParameter($result->params);
					$newparams->set('licensevalid', 1);
					$newparams->set('licensecode', $configs->get('licensecode', ''));
					$newparams = $newparams->toString();
					$database->setQuery( "UPDATE `#__extensions` SET params='".$newparams."' WHERE extension_id='".$result->extension_id."'");
					if (!$database->query()) {
						JError::raiseWarning(100, $database->getErrorMsg());
						$mainframe->redirect( "index.php?option=com_chronoforms" );
					}
				}
				$mainframe->redirect( "index.php?option=com_chronoforms", 'Your key was validated successfully' );
			}else{
				//$mainframe->redirect( "index.php?option=com_chronoforms", 'Invalid instant code' );
			}
		}
		
		if(function_exists('fsockopen')){	
			$validstatus = ChronoFormsAdmin::validationconnect('http', 'www.chronoengine.com', $port='80', $path='/index.php?option=com_chronocontact&task=extra&chronoformname=validateLicense', $postfields);
		}
		
		if((!$validstatus)||($validstatus == 'error')||!function_exists('fsockopen')){
			if (!function_exists('curl_init')){
				$validstatus = false;
			}else{
				$fields = ''; 
				$ch = curl_init();
				//$postfields = array();
				foreach( $postfields as $key => $value ) $fields .= "$key=" . urlencode( $value ) . "&";			
				curl_setopt($ch, CURLOPT_URL, 'http://www.chronoengine.com/index.php?option=com_chronocontact&task=extra&chronoformname=validateLicense');
				curl_setopt($ch, CURLOPT_HEADER, 0);
				curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
				curl_setopt($ch, CURLOPT_TIMEOUT, 10);
				curl_setopt($ch, CURLOPT_POSTFIELDS, rtrim( $fields, "& " ));
				if($configs->get('curlproxy', '')){
					curl_setopt($ch, CURLOPT_PROXY, $configs->get('curlproxy'));
				}
				$output = curl_exec($ch);
				curl_close($ch);
				$validstatus = $output;
			}
		}
		//return $validstatus;
		if($validstatus == 'valid'){
			if($configs->get('licensecode', '')){
				//if(!$configs->get('licensevalid', '')){
					$query     = "SELECT * FROM `#__extensions` WHERE `element` = 'com_chronoforms' AND `type` = 'component'";
					$database->setQuery( $query );
					$result = $database->loadObject();
					$newline = "\n";
					if($result){
						//$newparams = 'showtipoftheday='.$configs->get('showtipoftheday', 1).$newline.'licensecode='.$configs->get('licensecode', '').$newline.'licensevalid=1';
						$newparams = new JParameter($result->params);
						$newparams->set('licensevalid', 1);
						$newparams->set('licensecode', $configs->get('licensecode', ''));
						$newparams = $newparams->toString();
						$database->setQuery( "UPDATE `#__extensions` SET params='".$newparams."' WHERE extension_id='".$result->extension_id."'");
						if (!$database->query()) {
							JError::raiseWarning(100, $database->getErrorMsg());
							$mainframe->redirect( "index.php?option=com_chronoforms" );
						}
					}
				//}
			}
			$mainframe->redirect( "index.php?option=com_chronoforms", 'Your Install was validated successfully' );
		}else if($validstatus == 'invalid'){
			$query     = "SELECT * FROM `#__extensions` WHERE `element` = 'com_chronoforms' AND `type` = 'component'";
			$database->setQuery( $query );
			$result = $database->loadObject();
			$newline = "\n";
			if($result){
				//$newparams = 'showtipoftheday='.$configs->get('showtipoftheday', 1).$newline.'licensecode='.$configs->get('licensecode', '').$newline.'licensevalid=0';
				$newparams = new JParameter($result->params);
				$newparams->set('licensevalid', 0);
				$newparams->set('licensecode', $configs->get('licensecode', ''));
				$newparams = $newparams->toString();
				$database->setQuery( "UPDATE `#__extensions` SET params='".$newparams."' WHERE extension_id='".$result->extension_id."'");
				if (!$database->query()) {
					JError::raiseWarning(100, $database->getErrorMsg());
					$mainframe->redirect( "index.php?option=com_chronoforms" );
				}
			}
			$mainframe->redirect( "index.php?option=com_chronoforms", 'We couldn\'t validate your key because of some wrong data used' );
		}else{
			if(trim(JRequest::getVar('instantcode'))){
				$step1 = base64_decode(trim(JRequest::getVar('instantcode')));
				$step2 = str_replace(substr(md5(str_replace('www.', '', strtolower($matches[2]))), 0, 7), '', $step1);
				$step3 = str_replace(substr(md5(str_replace('www.', '', strtolower($matches[2]))), - strlen(md5(str_replace('www.', '', strtolower($matches[2])))) + 7), '', $step2);
				$step4 = str_replace(substr($configs->get('licensecode', ''), 0, 10), '', $step3);
				$step5 = str_replace(substr($configs->get('licensecode', ''), - strlen($configs->get('licensecode', '')) + 10), '', $step4);
				//echo (int)$step5;return;
				//if((((int)$step5 + (24 * 60 * 60)) > strtotime(date('d-m-Y H:i:s')))||(((int)$step5 - (24 * 60 * 60)) < strtotime(date('d-m-Y H:i:s')))){
				if(((int)$step5 < (strtotime("now") + (24 * 60 * 60)))&&((int)$step5 > (strtotime("now") - (24 * 60 * 60)))){
					$query     = "SELECT * FROM `#__extensions` WHERE `element` = 'com_chronoforms' AND `type` = 'component'";
					$database->setQuery( $query );
					$result = $database->loadObject();
					$newline = "\n";
					if($result){
						//$newparams = 'showtipoftheday='.$configs->get('showtipoftheday', 1).$newline.'licensecode='.$configs->get('licensecode', '').$newline.'licensevalid=1';
						$newparams = new JParameter($result->params);
						$newparams->set('licensevalid', 1);
						$newparams->set('licensecode', $configs->get('licensecode', ''));
						$newparams = $newparams->toString();
						$database->setQuery( "UPDATE `#__extensions` SET params='".$newparams."' WHERE extension_id='".$result->extension_id."'");
						if (!$database->query()) {
							JError::raiseWarning(100, $database->getErrorMsg());
							$mainframe->redirect( "index.php?option=com_chronoforms" );
						}
					}
					$mainframe->redirect( "index.php?option=com_chronoforms", 'Your key was validated successfully' );
				}else{
					$mainframe->redirect( "index.php?option=com_chronoforms", 'Invalid instant code' );
				}
			}else{
				$query = "SELECT * FROM `#__extensions` WHERE `element` = 'com_chronoforms' AND `type` = 'component'";
				$database->setQuery( $query );
				$result = $database->loadObject();
				$newline = "\n";
				if($result){
					//$newparams = 'showtipoftheday='.$configs->get('showtipoftheday', 1).$newline.'licensecode='.$configs->get('licensecode', '').$newline.'licensevalid=0';
					$newparams = new JParameter($result->params);
					$newparams->set('licensevalid', 0);
					$newparams->set('licensecode', $configs->get('licensecode', ''));
					$newparams = $newparams->toString();
					$database->setQuery("UPDATE `#__extensions` SET params='".$newparams."' WHERE extension_id='".$result->extension_id."'");
					if (!$database->query()) {
						JError::raiseWarning(100, $database->getErrorMsg());
						$mainframe->redirect( "index.php?option=com_chronoforms" );
					}
				}
				$mainframe->redirect( "index.php?option=com_chronoforms", 'We couldn\'t validate your key because your hosting server doesn\'t have neither the CURL library nor the fsockopen functions or they may exist but don\'t function properly, please contact your host admin to fix them or contact us <a href="http://www.chronoengine.com/contactus.html">here</a> Or at this email address : webmaster@chronoengine.com' );
			}
		}
	}
}
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