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		if($data['old']['type'] != 'vhost' && $data['old']['type'] != 'vhostsubdomain' && $data['old']['type'] != 'vhostalias' && $data['old']['parent_domain_id'] > 0) {
			//* This is a alias domain or subdomain, so we have to update the website instead
			$parent_domain_id = intval($data['old']['parent_domain_id']);
			$tmp = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ? AND active = 'y'", $parent_domain_id);
			$data['new'] = $tmp;
			$data['old'] = $tmp;
			$this->action = 'update';
			// just run the update function
			$this->update($event_name, $data);
			// Deleting the vhost file, symlink and the data directory
			$vhost_file = escapeshellcmd($web_config['nginx_vhost_conf_dir'].'/'.$data['old']['domain'].'.vhost');
			$vhost_symlink = escapeshellcmd($web_config['nginx_vhost_conf_enabled_dir'].'/'.$data['old']['domain'].'.vhost');
			if(is_link($vhost_symlink)){
				$app->system->unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file, LOGLEVEL_DEBUG);
			}
			$vhost_symlink = escapeshellcmd($web_config['nginx_vhost_conf_enabled_dir'].'/900-'.$data['old']['domain'].'.vhost');
			if(is_link($vhost_symlink)){
				$app->system->unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file, LOGLEVEL_DEBUG);
			}
			$vhost_symlink = escapeshellcmd($web_config['nginx_vhost_conf_enabled_dir'].'/100-'.$data['old']['domain'].'.vhost');
			if(is_link($vhost_symlink)){
				$app->system->unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file, LOGLEVEL_DEBUG);
			$app->log('Removing vhost file: '.$vhost_file, LOGLEVEL_DEBUG);

			if($data['old']['type'] == 'vhost' || $data['old']['type'] == 'vhostsubdomain' || $data['old']['type'] == 'vhostalias') {
				$docroot = escapeshellcmd($data['old']['document_root']);
				if($docroot != '' && !stristr($docroot, '..')) {
					if($data['old']['type'] == 'vhost') {
						// this is a vhost - we delete everything in here.
						exec('rm -rf '.$docroot);
					} elseif(!stristr($data['old']['web_folder'], '..')) {
						// this is a vhost subdomain
						// IMPORTANT: do some folder checks before we delete this!
						$do_delete = true;
						$delete_folder = preg_replace('/[\/]{2,}/', '/', $web_folder); // replace / occuring multiple times
						if(substr($delete_folder, 0, 1) === '/') $delete_folder = substr($delete_folder, 1);
						if(substr($delete_folder, -1) === '/') $delete_folder = substr($delete_folder, 0, -1);

						$path_elements = explode('/', $delete_folder);

						if($path_elements[0] == 'web' || $path_elements[0] === '') {
							// paths beginning with /web should NEVER EVER be deleted, empty paths should NEVER occur - but for safety reasons we check it here!
							// we use strict check as otherwise directories named '0' may not be deleted
							$do_delete = false;
						} else {
							// read all vhost subdomains with same parent domain
							$used_paths = array();
							$tmp = $app->db->queryAllRecords("SELECT `web_folder` FROM web_domain WHERE (type = 'vhostsubdomain' OR type = 'vhostalias') AND parent_domain_id = ? AND domain_id != ?", $data['old']['parent_domain_id'], $data['old']['domain_id']);
							foreach($tmp as $tmprec) {
								// we normalize the folder entries because we need to compare them
								$tmp_folder = preg_replace('/[\/]{2,}/', '/', $tmprec['web_folder']); // replace / occuring multiple times
								if(substr($tmp_folder, 0, 1) === '/') $tmp_folder = substr($tmp_folder, 1);
								if(substr($tmp_folder, -1) === '/') $tmp_folder = substr($tmp_folder, 0, -1);

								// add this path and it's parent paths to used_paths array
								while(strpos($tmp_folder, '/') !== false) {
									if(in_array($tmp_folder, $used_paths) == false) $used_paths[] = $tmp_folder;
									$tmp_folder = substr($tmp_folder, 0, strrpos($tmp_folder, '/'));
								}
								if(in_array($tmp_folder, $used_paths) == false) $used_paths[] = $tmp_folder;
							}
							unset($tmp);

							// loop and check if the path is still used and stop at first used one
							// set do_delete to false so nothing gets deleted if the web_folder itself is still used
							$do_delete = false;
							while(count($path_elements) > 0) {
								$tmp_folder = implode('/', $path_elements);
								if(in_array($tmp_folder, $used_paths) == true) break;

								// this path is not used - set it as path to delete, strip the last element from the array and set do_delete to true
								$delete_folder = $tmp_folder;
								$do_delete = true;
								array_pop($path_elements);
							}
							unset($tmp_folder);
							unset($used_paths);
						}

						if($do_delete === true && $delete_folder !== '') exec('rm -rf '.$docroot.'/'.$delete_folder);

						unset($delete_folder);
						unset($path_elements);
					}
				}

				//remove the php fastgi starter script if available
				if ($data['old']['php'] == 'fast-cgi') {
					$this->php_fpm_pool_delete($data, $web_config);
					$fastcgi_starter_path = str_replace('[system_user]', $data['old']['system_user'], $web_config['fastcgi_starter_path']);
					if($data['old']['type'] == 'vhost') {
						if (is_dir($fastcgi_starter_path)) {
							exec('rm -rf '.$fastcgi_starter_path);
						}
					} else {
						$fcgi_starter_script = $fastcgi_starter_path.$web_config['fastcgi_starter_script'].'_web'.$data['old']['domain_id'];
						if (file_exists($fcgi_starter_script)) {
							exec('rm -f '.$fcgi_starter_script);
						}
					}
				}

				// remove PHP-FPM pool
				if ($data['old']['php'] == 'php-fpm') {
					$this->php_fpm_pool_delete($data, $web_config);
				} elseif($data['old']['php'] == 'hhvm') {
					$this->hhvm_update($data, $web_config);
				}

				//remove the php cgi starter script if available
				if ($data['old']['php'] == 'cgi') {
					// TODO: fetch the date from the server-settings
					$web_config['cgi_starter_path'] = $web_config['website_basedir'].'/php-cgi-scripts/[system_user]/';

					$cgi_starter_path = str_replace('[system_user]', $data['old']['system_user'], $web_config['cgi_starter_path']);
					if($data['old']['type'] == 'vhost') {
						if (is_dir($cgi_starter_path)) {
							exec('rm -rf '.$cgi_starter_path);
						}
					} else {
						$cgi_starter_script = $cgi_starter_path.'php-cgi-starter_web'.$data['old']['domain_id'];
						if (file_exists($cgi_starter_script)) {
							exec('rm -f '.$cgi_starter_script);
						}
					}
				}

				$app->log('Removing website: '.$docroot, LOGLEVEL_DEBUG);

				// Delete the symlinks for the sites
				$client = $app->db->queryOneRecord('SELECT client_id FROM sys_group WHERE sys_group.groupid = ?', $data['old']['sys_groupid']);
				$client_id = intval($client['client_id']);
				unset($client);
				$tmp_symlinks_array = explode(':', $web_config['website_symlinks']);
				if(is_array($tmp_symlinks_array)) {
					foreach($tmp_symlinks_array as $tmp_symlink) {
						$tmp_symlink = str_replace('[client_id]', $client_id, $tmp_symlink);
						$tmp_symlink = str_replace('[website_domain]', $data['old']['domain'], $tmp_symlink);
						// Remove trailing slash
						if(substr($tmp_symlink, -1, 1) == '/') $tmp_symlink = substr($tmp_symlink, 0, -1);
						// create the symlinks, if not exist
						if(is_link($tmp_symlink)) {
							$app->system->unlink($tmp_symlink);
							$app->log('Removing symlink: '.$tmp_symlink, LOGLEVEL_DEBUG);
						}
					}
				}
				// end removing symlinks
			} else {
				// vhost subdomain
			}

			// Delete the log file directory
			$vhost_logfile_dir = escapeshellcmd('/var/log/ispconfig/httpd/'.$data['old']['domain']);
			if($data['old']['domain'] != '' && !stristr($vhost_logfile_dir, '..')) exec('rm -rf '.$vhost_logfile_dir);
			$app->log('Removing website logfile directory: '.$vhost_logfile_dir, LOGLEVEL_DEBUG);

			if($data['old']['type'] == 'vhost') {
				//delete the web user
				$command = 'killall -u '.escapeshellcmd($data['old']['system_user']).' ; userdel';
				$command .= ' '.escapeshellcmd($data['old']['system_user']);
				exec($command);
				if($nginx_chrooted) $this->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' '.$command);

			}

			//* Remove the awstats configuration file
			if($data['old']['stats_type'] == 'awstats') {
				$this->awstats_delete($data, $web_config);
			}

			//* Delete the web-backups
			if($data['old']['type'] == 'vhost') {
				$server_config = $app->getconf->get_server_config($conf['server_id'], 'server');
				$backup_dir = $server_config['backup_dir'];
				$mount_backup = true;
				if($server_config['backup_dir'] != '' && $server_config['backup_delete'] == 'y') {
					//* mount backup directory, if necessary
					if( $server_config['backup_dir_is_mount'] == 'y' && !$app->system->mount_backup_dir($backup_dir) ) $mount_backup = false;
					if($mount_backup){
						$web_backup_dir = $backup_dir.'/web'.$data_old['domain_id'];
						//** do not use rm -rf $web_backup_dir because database(s) may exits
						exec(escapeshellcmd('rm -f '.$web_backup_dir.'/web'.$data_old['domain_id'].'_').'*');
						//* cleanup database
						$sql = "DELETE FROM web_backup WHERE server_id = ? AND parent_domain_id = ? AND filename LIKE ?";
						$app->db->query($sql, $conf['server_id'], $data_old['domain_id'], "web".$data_old['domain_id']."_%");
						if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'], $data_old['domain_id'], "web".$data_old['domain_id']."_%");

						$app->log('Deleted the web backup files', LOGLEVEL_DEBUG);
					}
				}
			}

			$app->services->restartServiceDelayed('httpd', 'reload');

		}


		if($data['old']['type'] != 'vhost') $app->system->web_folder_protection($data['old']['document_root'], true);
	}

	//* This function is called when a IP on the server is inserted, updated or deleted
	function server_ip($event_name, $data) {
	//* Create or update the .htaccess folder protection
	function web_folder_user($event_name, $data) {
		if($event_name == 'web_folder_user_delete') {
			$folder_id = $data['old']['web_folder_id'];
		} else {
			$folder_id = $data['new']['web_folder_id'];
		}
		$folder = $app->db->queryOneRecord("SELECT * FROM web_folder WHERE web_folder_id = ?", $folder_id);
		$website = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $folder['parent_domain_id']);
		if(!is_array($folder) or !is_array($website)) {
			$app->log('Not able to retrieve folder or website record.', LOGLEVEL_DEBUG);
		if($website['type'] == 'vhostsubdomain' || $website['type'] == 'vhostalias') $web_folder = $website['web_folder'];
		if(substr($folder['path'], 0, 1) == '/') $folder['path'] = substr($folder['path'], 1);
		if(substr($folder['path'], -1) == '/') $folder['path'] = substr($folder['path'], 0, -1);
		$folder_path = escapeshellcmd($website['document_root'].'/' . $web_folder . '/'.$folder['path']);
		if(substr($folder_path, -1) != '/') $folder_path .= '/';

		//* Check if the resulting path is inside the docroot
		if(stristr($folder_path, '..') || stristr($folder_path, './') || stristr($folder_path, '\\')) {
			$app->log('Folder path "'.$folder_path.'" contains .. or ./.', LOGLEVEL_DEBUG);
		//* Create the folder path, if it does not exist
		if(!is_dir($folder_path)) {
			$app->system->mkdirpath($folder_path, 0755, $website['system_user'], $website['system_group']);
		//* Create empty .htpasswd file, if it does not exist
		if(!is_file($folder_path.'.htpasswd')) {
			touch($folder_path.'.htpasswd');
			$app->system->chmod($folder_path.'.htpasswd', 0755);
			$app->system->chown($folder_path.'.htpasswd', $website['system_user']);
			$app->system->chgrp($folder_path.'.htpasswd', $website['system_group']);
			$app->log('Created file '.$folder_path.'.htpasswd', LOGLEVEL_DEBUG);
		if(($data['new']['username'] != $data['old']['username'] || $data['new']['active'] == 'n') && $data['old']['username'] != '') {
			$app->system->removeLine($folder_path.'.htpasswd', $data['old']['username'].':');
			$app->log('Removed user: '.$data['old']['username'], LOGLEVEL_DEBUG);
		//* Add or remove the user from .htpasswd file
		if($event_name == 'web_folder_user_delete') {
			$app->system->removeLine($folder_path.'.htpasswd', $data['old']['username'].':');
			$app->log('Removed user: '.$data['old']['username'], LOGLEVEL_DEBUG);
		} else {
			if($data['new']['active'] == 'y') {
				$app->system->replaceLine($folder_path.'.htpasswd', $data['new']['username'].':', $data['new']['username'].':'.$data['new']['password'], 0, 1);
				$app->log('Added or updated user: '.$data['new']['username'], LOGLEVEL_DEBUG);
		// write basic auth configuration to vhost file because nginx does not support .htaccess
		$webdata['new'] = $webdata['old'] = $website;
		$this->update('web_domain_update', $webdata);
	}
	//* Remove .htpasswd file, when folder protection is removed
	function web_folder_delete($event_name, $data) {
		$folder_id = $data['old']['web_folder_id'];
		$website = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $folder['parent_domain_id']);
		if(!is_array($folder) or !is_array($website)) {
			$app->log('Not able to retrieve folder or website record.', LOGLEVEL_DEBUG);
		if($website['type'] == 'vhostsubdomain' || $website['type'] == 'vhostalias') $web_folder = $website['web_folder'];
		if(substr($folder['path'], 0, 1) == '/') $folder['path'] = substr($folder['path'], 1);
		if(substr($folder['path'], -1) == '/') $folder['path'] = substr($folder['path'], 0, -1);
		$folder_path = realpath($website['document_root'].'/' . $web_folder . '/'.$folder['path']);
		if(substr($folder_path, -1) != '/') $folder_path .= '/';

		//* Check if the resulting path is inside the docroot
		if(substr($folder_path, 0, strlen($website['document_root'])) != $website['document_root']) {
			$app->log('Folder path is outside of docroot.', LOGLEVEL_DEBUG);
		//* Remove .htpasswd file
		if(is_file($folder_path.'.htpasswd')) {
			$app->system->unlink($folder_path.'.htpasswd');
			$app->log('Removed file '.$folder_path.'.htpasswd', LOGLEVEL_DEBUG);
		// write basic auth configuration to vhost file because nginx does not support .htaccess
		$webdata['new'] = $webdata['old'] = $website;
		$this->update('web_domain_update', $webdata);
	}
	//* Update folder protection, when path has been changed
	function web_folder_update($event_name, $data) {
		$website = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $data['new']['parent_domain_id']);
			$app->log('Not able to retrieve folder or website record.', LOGLEVEL_DEBUG);
		if($website['type'] == 'vhostsubdomain' || $website['type'] == 'vhostalias') $web_folder = $website['web_folder'];
		if(substr($data['old']['path'], 0, 1) == '/') $data['old']['path'] = substr($data['old']['path'], 1);
		if(substr($data['old']['path'], -1) == '/') $data['old']['path'] = substr($data['old']['path'], 0, -1);
		$old_folder_path = realpath($website['document_root'].'/' . $web_folder . '/'.$data['old']['path']);
		if(substr($old_folder_path, -1) != '/') $old_folder_path .= '/';

		if(substr($data['new']['path'], 0, 1) == '/') $data['new']['path'] = substr($data['new']['path'], 1);
		if(substr($data['new']['path'], -1) == '/') $data['new']['path'] = substr($data['new']['path'], 0, -1);
		$new_folder_path = escapeshellcmd($website['document_root'].'/' . $web_folder . '/'.$data['new']['path']);
		if(substr($new_folder_path, -1) != '/') $new_folder_path .= '/';

		//* Check if the resulting path is inside the docroot
		if(stristr($new_folder_path, '..') || stristr($new_folder_path, './') || stristr($new_folder_path, '\\')) {
			$app->log('Folder path "'.$new_folder_path.'" contains .. or ./.', LOGLEVEL_DEBUG);
		if(stristr($old_folder_path, '..') || stristr($old_folder_path, './') || stristr($old_folder_path, '\\')) {
			$app->log('Folder path "'.$old_folder_path.'" contains .. or ./.', LOGLEVEL_DEBUG);
		//* Check if the resulting path is inside the docroot
		if(substr($old_folder_path, 0, strlen($website['document_root'])) != $website['document_root']) {
			$app->log('Old folder path '.$old_folder_path.' is outside of docroot.', LOGLEVEL_DEBUG);
		if(substr($new_folder_path, 0, strlen($website['document_root'])) != $website['document_root']) {
			$app->log('New folder path '.$new_folder_path.' is outside of docroot.', LOGLEVEL_DEBUG);
		//* Create the folder path, if it does not exist
		if(!is_dir($new_folder_path)) $app->system->mkdirpath($new_folder_path);
		if($data['old']['path'] != $data['new']['path']) {

			//* move .htpasswd file
			if(is_file($old_folder_path.'.htpasswd')) {
				$app->system->rename($old_folder_path.'.htpasswd', $new_folder_path.'.htpasswd');
				$app->log('Moved file '.$old_folder_path.'.htpasswd to '.$new_folder_path.'.htpasswd', LOGLEVEL_DEBUG);
		}

		// write basic auth configuration to vhost file because nginx does not support .htaccess
		$webdata['new'] = $webdata['old'] = $website;
		$this->update('web_domain_update', $webdata);
	}
	function _create_web_folder_auth_configuration($website){
		global $app, $conf;
		//* Create the domain.auth file which is included in the vhost configuration file
		$app->uses('getconf');
		$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');
		$basic_auth_file = escapeshellcmd($web_config['nginx_vhost_conf_dir'].'/'.$website['domain'].'.auth');
		//$app->load('tpl');
		//$tpl = new tpl();
		//$tpl->newTemplate('nginx_http_authentication.auth.master');
		$website_auth_locations = $app->db->queryAllRecords("SELECT * FROM web_folder WHERE active = 'y' AND parent_domain_id = ?", $website['domain_id']);
		$basic_auth_locations = array();
		if(is_array($website_auth_locations) && !empty($website_auth_locations)){
			foreach($website_auth_locations as $website_auth_location){
				if(substr($website_auth_location['path'], 0, 1) == '/') $website_auth_location['path'] = substr($website_auth_location['path'], 1);
				if(substr($website_auth_location['path'], -1) == '/') $website_auth_location['path'] = substr($website_auth_location['path'], 0, -1);
				if($website_auth_location['path'] != ''){
					$website_auth_location['path'] .= '/';
				}
				$basic_auth_locations[] = array('htpasswd_location' => '/'.$website_auth_location['path'],
					'htpasswd_path' => $website['document_root'].'/' . (($website['type'] == 'vhostsubdomain' || $website['type'] == 'vhostalias') ? $website['web_folder'] : 'web') . '/'.$website_auth_location['path']);
			}
		}
		return $basic_auth_locations;
		//$tpl->setLoop('basic_auth_locations', $basic_auth_locations);
		//file_put_contents($basic_auth_file,$tpl->grab());
		//$app->log('Writing the http basic authentication file: '.$basic_auth_file,LOGLEVEL_DEBUG);
		//unset($tpl);
		//$app->services->restartServiceDelayed('httpd','reload');
	}
	//* Update the awstats configuration file
	private function awstats_update ($data, $web_config) {

		$web_folder = $data['new']['web_folder'];
		if($data['new']['type'] == 'vhost') $web_folder = 'web';
		$awstats_conf_dir = $web_config['awstats_conf_dir'];
		if(!is_dir($data['new']['document_root']."/" . $web_folder . "/stats/")) mkdir($data['new']['document_root']."/" . $web_folder . "/stats");
		if(!@is_file($awstats_conf_dir.'/awstats.'.$data['new']['domain'].'.conf') || ($data['old']['domain'] != '' && $data['new']['domain'] != $data['old']['domain'])) {
			if ( @is_file($awstats_conf_dir.'/awstats.'.$data['old']['domain'].'.conf') ) {
				$app->system->unlink($awstats_conf_dir.'/awstats.'.$data['old']['domain'].'.conf');
			}
			if (is_file($awstats_conf_dir."/awstats.conf")) {
				$include_file = $awstats_conf_dir."/awstats.conf";
			} elseif (is_file($awstats_conf_dir."/awstats.model.conf")) {
				$include_file = $awstats_conf_dir."/awstats.model.conf";
			}
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			$content .= "Include \"".$include_file."\"\n";
			$content .= "LogFile=\"/var/log/ispconfig/httpd/".$data['new']['domain']."/access.log\"\n";
			$content .= "SiteDomain=\"".$data['new']['domain']."\"\n";
			$content .= "HostAliases=\"www.".$data['new']['domain']."  localhost 127.0.0.1\"\n";
			if (isset($include_file)) {
				$app->system->file_put_contents($awstats_conf_dir.'/awstats.'.$data['new']['domain'].'.conf', $content);
				$app->log('Created AWStats config file: '.$awstats_conf_dir.'/awstats.'.$data['new']['domain'].'.conf', LOGLEVEL_DEBUG);
			} else {
				$app->log("No awstats base config found. Either awstats.conf or awstats.model.conf must exist in ".$awstats_conf_dir.".", LOGLEVEL_WARN);
			}
		if(is_file($data['new']['document_root']."/" . $web_folder . "/stats/index.html")) $app->system->unlink($data['new']['document_root']."/" . $web_folder . "/stats/index.html");
		if(file_exists("/usr/local/ispconfig/server/conf-custom/awstats_index.php.master")) {
			$app->system->copy("/usr/local/ispconfig/server/conf-custom/awstats_index.php.master", $data['new']['document_root']."/" . $web_folder . "/stats/index.php");
			$app->system->copy("/usr/local/ispconfig/server/conf/awstats_index.php.master", $data['new']['document_root']."/" . $web_folder . "/stats/index.php");
	//* Delete the awstats configuration file
	private function awstats_delete ($data, $web_config) {
		$awstats_conf_dir = $web_config['awstats_conf_dir'];
		if ( @is_file($awstats_conf_dir.'/awstats.'.$data['old']['domain'].'.conf') ) {
			$app->system->unlink($awstats_conf_dir.'/awstats.'.$data['old']['domain'].'.conf');
			$app->log('Removed AWStats config file: '.$awstats_conf_dir.'/awstats.'.$data['old']['domain'].'.conf', LOGLEVEL_DEBUG);
	private function hhvm_update($data, $web_config) {
		global $app, $conf;
		
		if(file_exists($conf['rootpath'] . '/conf-custom/hhvm_starter.master')) {
			$content = file_get_contents($conf['rootpath'] . '/conf-custom/hhvm_starter.master');
		} else {
			$content = file_get_contents($conf['rootpath'] . '/conf/hhvm_starter.master');
		}
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		if(file_exists($conf['rootpath'] . '/conf-custom/hhvm_monit.master')) {
			$monit_content = file_get_contents($conf['rootpath'] . '/conf-custom/hhvm_monit.master');
		} else {
			$monit_content = file_get_contents($conf['rootpath'] . '/conf/hhvm_monit.master');
		}
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		if($data['new']['php'] == 'hhvm' && $data['old']['php'] != 'hhvm' || $data['new']['custom_php_ini'] != $data['old']['custom_php_ini']) {

			// Custom php.ini settings
			$custom_php_ini_settings = trim($data['new']['custom_php_ini']);
			if(intval($data['new']['directive_snippets_id']) > 0){
				$snippet = $app->db->queryOneRecord("SELECT * FROM directive_snippets WHERE directive_snippets_id = ? AND type = 'nginx' AND active = 'y' AND customer_viewable = 'y'", intval($data['new']['directive_snippets_id']));
				if(isset($snippet['required_php_snippets']) && trim($snippet['required_php_snippets']) != ''){
					$required_php_snippets = explode(',', trim($snippet['required_php_snippets']));
					if(is_array($required_php_snippets) && !empty($required_php_snippets)){
						foreach($required_php_snippets as $required_php_snippet){
							$required_php_snippet = intval($required_php_snippet);
							if($required_php_snippet > 0){
								$php_snippet = $app->db->queryOneRecord("SELECT * FROM directive_snippets WHERE directive_snippets_id = ? AND type = 'php' AND active = 'y'", $required_php_snippet);
								$php_snippet['snippet'] = trim($php_snippet['snippet']);
								if($php_snippet['snippet'] != ''){
									$custom_php_ini_settings .= "\n".$php_snippet['snippet'];
								}
							}
						}
					}
				}
			}
			if($custom_php_ini_settings != ''){
				// Make sure we only have Unix linebreaks
				$custom_php_ini_settings = str_replace("\r\n", "\n", $custom_php_ini_settings);
				$custom_php_ini_settings = str_replace("\r", "\n", $custom_php_ini_settings);
				file_put_contents('/etc/hhvm/'.$data['new']['system_user'].'.ini', $custom_php_ini_settings);
			} else {
				if(is_file('/etc/hhvm/'.$data['old']['system_user'].'.ini')) unlink('/etc/hhvm/'.$data['old']['system_user'].'.ini');
			}
		
			$content = str_replace('{SYSTEM_USER}', $data['new']['system_user'], $content);
			file_put_contents('/etc/init.d/hhvm_' . $data['new']['system_user'], $content);
			exec('chmod +x /etc/init.d/hhvm_' . $data['new']['system_user'] . ' >/dev/null 2>&1');
			exec('/usr/sbin/update-rc.d hhvm_' . $data['new']['system_user'] . ' defaults >/dev/null 2>&1');
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			exec('/etc/init.d/hhvm_' . $data['new']['system_user'] . ' restart >/dev/null 2>&1');
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			if(is_dir('/etc/monit/conf.d')){
				$monit_content = str_replace('{SYSTEM_USER}', $data['new']['system_user'], $monit_content);
				file_put_contents('/etc/monit/conf.d/00-hhvm_' . $data['new']['system_user'], $monit_content);
				if(is_file('/etc/monit/conf.d/hhvm_' . $data['new']['system_user'])) unlink('/etc/monit/conf.d/hhvm_' . $data['new']['system_user']);
				exec('/etc/init.d/monit restart >/dev/null 2>&1');
			}
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 		} elseif($data['new']['php'] != 'hhvm' && $data['old']['php'] == 'hhvm') {
			exec('/etc/init.d/hhvm_' . $data['old']['system_user'] . ' stop >/dev/null 2>&1');
			exec('/usr/sbin/update-rc.d hhvm_' . $data['old']['system_user'] . ' remove >/dev/null 2>&1');
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			unlink('/etc/init.d/hhvm_' . $data['old']['system_user']);
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			if(is_file('/etc/hhvm/'.$data['old']['system_user'].'.ini')) unlink('/etc/hhvm/'.$data['old']['system_user'].'.ini');
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			if(is_file('/etc/monit/conf.d/hhvm_' . $data['new']['system_user']) || is_file('/etc/monit/conf.d/00-hhvm_' . $data['new']['system_user'])){
				if(is_file('/etc/monit/conf.d/hhvm_' . $data['new']['system_user'])){
					unlink('/etc/monit/conf.d/hhvm_' . $data['new']['system_user']);
				}
				if(is_file('/etc/monit/conf.d/00-hhvm_' . $data['new']['system_user'])){
					unlink('/etc/monit/conf.d/00-hhvm_' . $data['new']['system_user']);
				}
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				exec('/etc/init.d/monit restart >/dev/null 2>&1');
			}
	//* Update the PHP-FPM pool configuration file
	private function php_fpm_pool_update ($data, $web_config, $pool_dir, $pool_name, $socket_dir) {
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		$pool_dir = trim($pool_dir);
		/*
		if(trim($data['new']['fastcgi_php_version']) != ''){
			$default_php_fpm = false;
			list($custom_php_fpm_name, $custom_php_fpm_init_script, $custom_php_fpm_ini_dir, $custom_php_fpm_pool_dir) = explode(':', trim($data['new']['fastcgi_php_version']));
			if(substr($custom_php_fpm_ini_dir,-1) != '/') $custom_php_fpm_ini_dir .= '/';
		} else {
			$default_php_fpm = true;
		}
		*/
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		if($data['new']['php'] == 'php-fpm'){
			if(trim($data['new']['fastcgi_php_version']) != ''){
				$default_php_fpm = false;
				list($custom_php_fpm_name, $custom_php_fpm_init_script, $custom_php_fpm_ini_dir, $custom_php_fpm_pool_dir) = explode(':', trim($data['new']['fastcgi_php_version']));
				if(substr($custom_php_fpm_ini_dir, -1) != '/') $custom_php_fpm_ini_dir .= '/';
			} else {
				$default_php_fpm = true;
			}
		} else {
			if(trim($data['old']['fastcgi_php_version']) != '' && $data['old']['php'] != 'no'){
				$default_php_fpm = false;
				list($custom_php_fpm_name, $custom_php_fpm_init_script, $custom_php_fpm_ini_dir, $custom_php_fpm_pool_dir) = explode(':', trim($data['old']['fastcgi_php_version']));
				if(substr($custom_php_fpm_ini_dir, -1) != '/') $custom_php_fpm_ini_dir .= '/';
		$app->uses("getconf");
		$web_config = $app->getconf->get_server_config($conf["server_id"], 'web');
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		if($data['new']['php'] != 'php-fpm'){
			if(@is_file($pool_dir.$pool_name.'.conf')){
				$app->system->unlink($pool_dir.$pool_name.'.conf');
				//$reload = true;
			}
			if($data['old']['php'] != 'no'){
				if(!$default_php_fpm){
					$app->services->restartService('php-fpm', 'reload:'.$custom_php_fpm_init_script);
					$app->services->restartService('php-fpm', 'reload:'.$conf['init_scripts'].'/'.$web_config['php_fpm_init_script']);
		$app->load('tpl');
		$tpl = new tpl();
		$tpl->newTemplate('php_fpm_pool.conf.master');

		if($data['new']['php_fpm_use_socket'] == 'y'){
			$use_tcp = 0;
			$use_socket = 1;
			if(!is_dir($socket_dir)) $app->system->mkdirpath($socket_dir);
		} else {
			$use_tcp = 1;
			$use_socket = 0;
		}
		$tpl->setVar('use_tcp', $use_tcp);
		$tpl->setVar('use_socket', $use_socket);
		$fpm_socket = $socket_dir.$pool_name.'.sock';
		$tpl->setVar('fpm_socket', $fpm_socket);
		$tpl->setVar('fpm_listen_mode', '0660');
		$tpl->setVar('fpm_pool', $pool_name);
		$tpl->setVar('fpm_port', $web_config['php_fpm_start_port'] + $data['new']['domain_id'] - 1);
		$tpl->setVar('fpm_user', $data['new']['system_user']);
		$tpl->setVar('fpm_group', $data['new']['system_group']);
		$tpl->setVar('pm', $data['new']['pm']);
		$tpl->setVar('pm_max_children', $data['new']['pm_max_children']);
		$tpl->setVar('pm_start_servers', $data['new']['pm_start_servers']);
		$tpl->setVar('pm_min_spare_servers', $data['new']['pm_min_spare_servers']);
		$tpl->setVar('pm_max_spare_servers', $data['new']['pm_max_spare_servers']);
		$tpl->setVar('pm_process_idle_timeout', $data['new']['pm_process_idle_timeout']);
		$tpl->setVar('pm_max_requests', $data['new']['pm_max_requests']);
		$tpl->setVar('document_root', $data['new']['document_root']);
		$tpl->setVar('security_level', $web_config['security_level']);
		$tpl->setVar('domain', $data['new']['domain']);
		$php_open_basedir = ($data['new']['php_open_basedir'] == '')?escapeshellcmd($data['new']['document_root']):escapeshellcmd($data['new']['php_open_basedir']);
		$tpl->setVar('php_open_basedir', $php_open_basedir);
		if($php_open_basedir != ''){
			$tpl->setVar('enable_php_open_basedir', '');
		} else {
			$tpl->setVar('enable_php_open_basedir', ';');
		}
		// Custom php.ini settings
		$final_php_ini_settings = array();
		$custom_php_ini_settings = trim($data['new']['custom_php_ini']);
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		if(intval($data['new']['directive_snippets_id']) > 0){
			$snippet = $app->db->queryOneRecord("SELECT * FROM directive_snippets WHERE directive_snippets_id = ? AND type = 'nginx' AND active = 'y' AND customer_viewable = 'y'", intval($data['new']['directive_snippets_id']));
			if(isset($snippet['required_php_snippets']) && trim($snippet['required_php_snippets']) != ''){
				$required_php_snippets = explode(',', trim($snippet['required_php_snippets']));
				if(is_array($required_php_snippets) && !empty($required_php_snippets)){
					foreach($required_php_snippets as $required_php_snippet){
						$required_php_snippet = intval($required_php_snippet);
						if($required_php_snippet > 0){
							$php_snippet = $app->db->queryOneRecord("SELECT * FROM directive_snippets WHERE directive_snippets_id = ? AND type = 'php' AND active = 'y'", $required_php_snippet);
							$php_snippet['snippet'] = trim($php_snippet['snippet']);
							if($php_snippet['snippet'] != ''){
								$custom_php_ini_settings .= "\n".$php_snippet['snippet'];
							}
						}
					}
				}
			}
		}
		
		if($custom_php_ini_settings != ''){
			// Make sure we only have Unix linebreaks
			$custom_php_ini_settings = str_replace("\r\n", "\n", $custom_php_ini_settings);
			$custom_php_ini_settings = str_replace("\r", "\n", $custom_php_ini_settings);
			$ini_settings = explode("\n", $custom_php_ini_settings);
			if(is_array($ini_settings) && !empty($ini_settings)){
				foreach($ini_settings as $ini_setting){
					$ini_setting = trim($ini_setting);
					if(substr($ini_setting, 0, 1) == ';') continue;
					if(substr($ini_setting, 0, 1) == '#') continue;
					if(substr($ini_setting, 0, 2) == '//') continue;
					list($key, $value) = explode('=', $ini_setting, 2);
						$key = trim($key);
						switch (strtolower($value)) {
						case '0':
							// PHP-FPM might complain about invalid boolean value if you use 0
							$value = 'off';
						case '1':
						case 'on':
						case 'off':
						case 'true':
						case 'false':
						case 'yes':
						case 'no':
							$final_php_ini_settings[] = array('ini_setting' => 'php_admin_flag['.$key.'] = '.$value);
							break;
						default:
							$final_php_ini_settings[] = array('ini_setting' => 'php_admin_value['.$key.'] = '.$value);
		$tpl->setLoop('custom_php_ini_settings', $final_php_ini_settings);

		$app->system->file_put_contents($pool_dir.$pool_name.'.conf', $tpl->grab());
		$app->log('Writing the PHP-FPM config file: '.$pool_dir.$pool_name.'.conf', LOGLEVEL_DEBUG);
		// delete pool in all other PHP versions
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		$default_pool_dir = trim(escapeshellcmd($web_config['php_fpm_pool_dir']));
		if(substr($default_pool_dir, -1) != '/') $default_pool_dir .= '/';
		if($default_pool_dir != $pool_dir){
			if ( @is_file($default_pool_dir.$pool_name.'.conf') ) {
				$app->system->unlink($default_pool_dir.$pool_name.'.conf');
				$app->log('Removed PHP-FPM config file: '.$default_pool_dir.$pool_name.'.conf', LOGLEVEL_DEBUG);
				$app->services->restartService('php-fpm', 'reload:'.$conf['init_scripts'].'/'.$web_config['php_fpm_init_script']);
		$php_versions = $app->db->queryAllRecords("SELECT * FROM server_php WHERE php_fpm_init_script != '' AND php_fpm_ini_dir != '' AND php_fpm_pool_dir != '' AND server_id = ?", $conf["server_id"]);
		if(is_array($php_versions) && !empty($php_versions)){
			foreach($php_versions as $php_version){
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				$php_version['php_fpm_pool_dir'] = trim($php_version['php_fpm_pool_dir']);
				if(substr($php_version['php_fpm_pool_dir'], -1) != '/') $php_version['php_fpm_pool_dir'] .= '/';
				if($php_version['php_fpm_pool_dir'] != $pool_dir){
					if ( @is_file($php_version['php_fpm_pool_dir'].$pool_name.'.conf') ) {
						$app->system->unlink($php_version['php_fpm_pool_dir'].$pool_name.'.conf');
						$app->log('Removed PHP-FPM config file: '.$php_version['php_fpm_pool_dir'].$pool_name.'.conf', LOGLEVEL_DEBUG);
						$app->services->restartService('php-fpm', 'reload:'.$php_version['php_fpm_init_script']);
					}
				}
			}
		}
		// Reload current PHP-FPM after all others
		sleep(1);
		if(!$default_php_fpm){
			$app->services->restartService('php-fpm', 'reload:'.$custom_php_fpm_init_script);
			$app->services->restartService('php-fpm', 'reload:'.$conf['init_scripts'].'/'.$web_config['php_fpm_init_script']);
	//* Delete the PHP-FPM pool configuration file
	private function php_fpm_pool_delete ($data, $web_config) {
		if(trim($data['old']['fastcgi_php_version']) != '' && $data['old']['php'] != 'no'){
			$default_php_fpm = false;
			list($custom_php_fpm_name, $custom_php_fpm_init_script, $custom_php_fpm_ini_dir, $custom_php_fpm_pool_dir) = explode(':', trim($data['old']['fastcgi_php_version']));
			if(substr($custom_php_fpm_ini_dir, -1) != '/') $custom_php_fpm_ini_dir .= '/';
		if($default_php_fpm){
			$pool_dir = escapeshellcmd($web_config['php_fpm_pool_dir']);
		} else {
			$pool_dir = $custom_php_fpm_pool_dir;
		}
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		$pool_dir = trim($pool_dir);

		if(substr($pool_dir, -1) != '/') $pool_dir .= '/';
		$pool_name = 'web'.$data['old']['domain_id'];
		if ( @is_file($pool_dir.$pool_name.'.conf') ) {
			$app->system->unlink($pool_dir.$pool_name.'.conf');
			$app->log('Removed PHP-FPM config file: '.$pool_dir.$pool_name.'.conf', LOGLEVEL_DEBUG);
		// delete pool in all other PHP versions
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		$default_pool_dir = trim(escapeshellcmd($web_config['php_fpm_pool_dir']));
		if(substr($default_pool_dir, -1) != '/') $default_pool_dir .= '/';
		if($default_pool_dir != $pool_dir){
			if ( @is_file($default_pool_dir.$pool_name.'.conf') ) {
				$app->system->unlink($default_pool_dir.$pool_name.'.conf');
				$app->log('Removed PHP-FPM config file: '.$default_pool_dir.$pool_name.'.conf', LOGLEVEL_DEBUG);
				$app->services->restartService('php-fpm', 'reload:'.$conf['init_scripts'].'/'.$web_config['php_fpm_init_script']);
		$php_versions = $app->db->queryAllRecords("SELECT * FROM server_php WHERE php_fpm_init_script != '' AND php_fpm_ini_dir != '' AND php_fpm_pool_dir != '' AND server_id = ?", $data['old']['server_id']);
		if(is_array($php_versions) && !empty($php_versions)){
			foreach($php_versions as $php_version){
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				$php_version['php_fpm_pool_dir'] = trim($php_version['php_fpm_pool_dir']);
				if(substr($php_version['php_fpm_pool_dir'], -1) != '/') $php_version['php_fpm_pool_dir'] .= '/';
				if($php_version['php_fpm_pool_dir'] != $pool_dir){
					if ( @is_file($php_version['php_fpm_pool_dir'].$pool_name.'.conf') ) {
						$app->system->unlink($php_version['php_fpm_pool_dir'].$pool_name.'.conf');
						$app->log('Removed PHP-FPM config file: '.$php_version['php_fpm_pool_dir'].$pool_name.'.conf', LOGLEVEL_DEBUG);
						$app->services->restartService('php-fpm', 'reload:'.$php_version['php_fpm_init_script']);
		// Reload current PHP-FPM after all others
		sleep(1);
		if(!$default_php_fpm){
			$app->services->restartService('php-fpm', 'reload:'.$custom_php_fpm_init_script);
			$app->services->restartService('php-fpm', 'reload:'.$conf['init_scripts'].'/'.$web_config['php_fpm_init_script']);
	private function nginx_replace($matches){
		$location = 'location'.($matches[1] != '' ? ' '.$matches[1] : '').' '.$matches[2].' '.$matches[3];
		if($matches[4] == '##merge##' || $matches[7] == '##merge##') $location .= ' ##merge##';
		if($matches[4] == '##delete##' || $matches[7] == '##delete##') $location .= ' ##delete##';
		$location .= "\n";
		$location .= $matches[5]."\n";
		$location .= $matches[6];
		return $location;
	}
	private function nginx_merge_locations($vhost_conf){

		$lines = explode("\n", $vhost_conf);
		// if whole location block is in one line, split it up into multiple lines
		if(is_array($lines) && !empty($lines)){
			$linecount = sizeof($lines);
			for($h=0;$h<$linecount;$h++){
				// remove comments
				if(substr(trim($lines[$h]), 0, 1) == '#'){
				$lines[$h] = rtrim($lines[$h]);
				/*
				if(substr(ltrim($lines[$h]), 0, 8) == 'location' && strpos($lines[$h], '{') !== false && strpos($lines[$h], ';') !== false){
					$lines[$h] = str_replace("{", "{\n", $lines[$h]);
					$lines[$h] = str_replace(";", ";\n", $lines[$h]);
					if(strpos($lines[$h], '##merge##') !== false){
						$lines[$h] = str_replace('##merge##', '', $lines[$h]);
						$lines[$h] = substr($lines[$h],0,strpos($lines[$h], '{')).' ##merge##'.substr($lines[$h],strpos($lines[$h], '{')+1);
					}
				}
				if(substr(ltrim($lines[$h]), 0, 8) == 'location' && strpos($lines[$h], '{') !== false && strpos($lines[$h], '}') !== false && strpos($lines[$h], ';') === false){
					$lines[$h] = str_replace("{", "{\n", $lines[$h]);
					if(strpos($lines[$h], '##merge##') !== false){
						$lines[$h] = str_replace('##merge##', '', $lines[$h]);
						$lines[$h] = substr($lines[$h],0,strpos($lines[$h], '{')).' ##merge##'.substr($lines[$h],strpos($lines[$h], '{')+1);
					}
				}
				*/
				$pattern = '/^[^\S\n]*location[^\S\n]+(?:(.+)[^\S\n]+)?(.+)[^\S\n]*(\{)[^\S\n]*(##merge##|##delete##)?[^\S\n]*(.+)[^\S\n]*(\})[^\S\n]*(##merge##|##delete##)?[^\S\n]*$/';
				$lines[$h] = preg_replace_callback($pattern, array($this, 'nginx_replace') , $lines[$h]);
			}
		}
		$vhost_conf = implode("\n", $lines);
		unset($lines);
		unset($linecount);
		$lines = explode("\n", $vhost_conf);

		if(is_array($lines) && !empty($lines)){
			$locations = array();
			$locations_to_delete = array();
			$islocation = false;
			$linecount = sizeof($lines);
			$server_count = 0;

			for($i=0;$i<$linecount;$i++){
				$l = trim($lines[$i]);
				if(substr($l, 0, 8) == 'server {') $server_count += 1;
				if($server_count > 1) break;
				if(substr($l, 0, 8) == 'location' && !$islocation){
					// Remove unnecessary whitespace
					$l = preg_replace('/\s\s+/', ' ', $l);
					$loc_parts = explode(' ', $l);
					// see http://wiki.nginx.org/HttpCoreModule#location
					if($loc_parts[1] == '=' || $loc_parts[1] == '~' || $loc_parts[1] == '~*' || $loc_parts[1] == '^~'){
						$location = $loc_parts[1].' '.$loc_parts[2];
					} else {
						$location = $loc_parts[1];
					}
					unset($loc_parts);
					if(!isset($locations[$location]['action'])) $locations[$location]['action'] = 'replace';
					if(substr($l, -9) == '##merge##') $locations[$location]['action'] = 'merge';
					if(substr($l, -10) == '##delete##') $locations[$location]['action'] = 'delete';
					if(!isset($locations[$location]['open_tag'])) $locations[$location]['open_tag'] = '        location '.$location.' {';
					if(!isset($locations[$location]['location']) || $locations[$location]['action'] == 'replace') $locations[$location]['location'] = '';
					if($locations[$location]['action'] == 'delete') $locations_to_delete[] = $location;
					if(!isset($locations[$location]['end_tag'])) $locations[$location]['end_tag'] = '        }';
					if(!isset($locations[$location]['start_line'])) $locations[$location]['start_line'] = $i;

					unset($lines[$i]);
					if($islocation){
						if(strpos($l, '{') !== false){
							$level += 1;
						}
						if(strpos($l, '}') !== false && $level > 0){
							$level -= 1;
							$locations[$location]['location'] .= $lines[$i]."\n";
						} elseif(strpos($l, '}') !== false && $level == 0){
							$islocation = false;
						} else {
							$locations[$location]['location'] .= $lines[$i]."\n";
						}
						unset($lines[$i]);
					}
			if(is_array($locations) && !empty($locations)){
				if(is_array($locations_to_delete) && !empty($locations_to_delete)){
					foreach($locations_to_delete as $location_to_delete){
						if(isset($locations[$location_to_delete])) unset($locations[$location_to_delete]);
					}
				}
				foreach($locations as $key => $val){
					$new_location = $val['open_tag']."\n".$val['location'].$val['end_tag'];
					$lines[$val['start_line']] = $new_location;
				}
			}
			ksort($lines);
			$vhost_conf = implode("\n", $lines);
		}

	function client_delete($event_name, $data) {
		$app->uses("getconf");
		$web_config = $app->getconf->get_server_config($conf["server_id"], 'web');
		$client_id = intval($data['old']['client_id']);
		if($client_id > 0) {
			$client_dir = $web_config['website_basedir'].'/clients/client'.$client_id;
			if(is_dir($client_dir) && !stristr($client_dir, '..')) {
				// remove symlinks from $client_dir
				$files = array_diff(scandir($client_dir), array('.', '..'));
				if(is_array($files) && !empty($files)){
					foreach($files as $file){
						if(is_link($client_dir.'/'.$file)){
							unlink($client_dir.'/'.$file);
							$app->log('Removed symlink: '.$client_dir.'/'.$file, LOGLEVEL_DEBUG);
				$app->log('Removed client directory: '.$client_dir, LOGLEVEL_DEBUG);
			if($app->system->is_group('client'.$client_id)){
				$this->_exec('groupdel client'.$client_id);
				$app->log('Removed group client'.$client_id, LOGLEVEL_DEBUG);
	}

	//* Wrapper for exec function for easier debugging
	private function _exec($command) {
		global $app;
		$app->log('exec: '.$command, LOGLEVEL_DEBUG);
	private function _checkTcp ($host, $port) {

		$fp = @fsockopen($host, $port, $errno, $errstr, 2);
	public function create_relative_link($f, $t) {
		global $app;
		// $from already exists
		$from = realpath($f);

		// realpath requires the traced file to exist - so, lets touch it first, then remove
		@$app->system->unlink($t); touch($t);
		$to = realpath($t);
		@$app->system->unlink($t);

		// Remove from the left side matching path elements from $from and $to
		// and get path elements counts
		$a1 = explode('/', $from); $a2 = explode('/', $to);
		for ($c = 0; $a1[$c] == $a2[$c]; $c++) {
			unset($a1[$c]); unset($a2[$c]);
		}
		$cfrom = implode('/', $a1);