nginx_plugin.inc.php

<?php

/*
Copyright (c) 2007 - 2012, Till Brehm, projektfarm Gmbh
All rights reserved.

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    * Neither the name of ISPConfig nor the names of its contributors
      may be used to endorse or promote products derived from this software without
      specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

class nginx_plugin {

	var $plugin_name = 'nginx_plugin';
	var $class_name = 'nginx_plugin';

	// private variables
	var $action = '';
	var $ssl_certificate_changed = false;
	var $update_letsencrypt = false;
	var $website = null;
	var $jailkit_config = null;

	//* This function is called during ispconfig installation to determine
	//  if a symlink shall be created for this plugin.
	function onInstall() {
		global $conf;

		if($conf['services']['web'] == true && !@is_link('/usr/local/ispconfig/server/plugins-enabled/apache2_plugin.inc.php')) {
			return true;
		} else {
			return false;
		}

	}


	/*
	 	This function is called when the plugin is loaded
	*/

	function onLoad() {
		global $app;

		/*
		Register for the events
		*/
		$app->plugins->registerEvent('web_domain_insert', $this->plugin_name, 'ssl');
		$app->plugins->registerEvent('web_domain_update', $this->plugin_name, 'ssl');
		$app->plugins->registerEvent('web_domain_delete', $this->plugin_name, 'ssl');

		$app->plugins->registerEvent('web_domain_insert', $this->plugin_name, 'insert');
		$app->plugins->registerEvent('web_domain_update', $this->plugin_name, 'update');
		$app->plugins->registerEvent('web_domain_delete', $this->plugin_name, 'delete');

		$app->plugins->registerEvent('server_ip_insert', $this->plugin_name, 'server_ip');
		$app->plugins->registerEvent('server_ip_update', $this->plugin_name, 'server_ip');
		$app->plugins->registerEvent('server_ip_delete', $this->plugin_name, 'server_ip');

		/*
		$app->plugins->registerEvent('webdav_user_insert',$this->plugin_name,'webdav');
		$app->plugins->registerEvent('webdav_user_update',$this->plugin_name,'webdav');
		$app->plugins->registerEvent('webdav_user_delete',$this->plugin_name,'webdav');
		*/

		$app->plugins->registerEvent('client_delete', $this->plugin_name, 'client_delete');

		$app->plugins->registerEvent('web_folder_user_insert', $this->plugin_name, 'web_folder_user');
		$app->plugins->registerEvent('web_folder_user_update', $this->plugin_name, 'web_folder_user');
		$app->plugins->registerEvent('web_folder_user_delete', $this->plugin_name, 'web_folder_user');

		$app->plugins->registerEvent('web_folder_update', $this->plugin_name, 'web_folder_update');
		$app->plugins->registerEvent('web_folder_delete', $this->plugin_name, 'web_folder_delete');
	}

	// Handle the creation of SSL certificates
	function ssl($event_name, $data) {
		global $app, $conf;

		$app->uses('system');

		// load the server configuration options
		$app->uses('getconf');
		$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');
		if (isset($web_config['CA_path']) && $web_config['CA_path'] != '' && !file_exists($web_config['CA_path'].'/openssl.cnf'))
			$app->log("CA path error, file does not exist:".$web_config['CA_path'].'/openssl.cnf', LOGLEVEL_ERROR);

		//* Only vhosts can have a ssl cert
		if($data["new"]["type"] != "vhost" && $data["new"]["type"] != "vhostsubdomain" && $data["new"]["type"] != "vhostalias") return;

		if(!is_dir($data['new']['document_root'].'/ssl') && !is_dir($data['old']['document_root'].'/ssl')) $app->system->mkdirpath($data['new']['document_root'].'/ssl');

		$ssl_dir = $data['new']['document_root'].'/ssl';
		$domain = ($data['new']['ssl_domain'] != '') ? $data['new']['ssl_domain'] : $data['new']['domain'];
		$key_file = $ssl_dir.'/'.$domain.'.key';
		$csr_file = $ssl_dir.'/'.$domain.'.csr';
		$crt_file = $ssl_dir.'/'.$domain.'.crt';

		//* Create a SSL Certificate, but only if this is not a mirror server.
		if($data['new']['ssl_action'] == 'create' && $conf['mirror_server_id'] == 0) {

			$this->ssl_certificate_changed = true;

			//* Rename files if they exist
			if(file_exists($key_file)){
				$app->system->rename($key_file, $key_file.'.bak');
				$app->system->chmod($key_file.'.bak', 0400);
			}
			if(file_exists($csr_file)) $app->system->rename($csr_file, $csr_file.'.bak');
			if(file_exists($crt_file)) $app->system->rename($crt_file, $crt_file.'.bak');

			$rand_file = $ssl_dir.'/random_file';
			$app->system->exec_safe('dd if=/dev/urandom of=? bs=256 count=1', $rand_file);

			$ssl_password = bin2hex(random_bytes(12));


			$ssl_cnf = "        RANDFILE               = $rand_file

        [ req ]
        default_bits           = 2048
		default_md             = sha256
        default_keyfile        = keyfile.pem
        distinguished_name     = req_distinguished_name
        attributes             = req_attributes
        prompt                 = no
        output_password        = $ssl_password

        [ req_distinguished_name ]
        C                      = ".trim($data['new']['ssl_country'])."
        " . (trim($data['new']['ssl_state']) == '' ? '' : "ST                     = ".trim($data['new']['ssl_state'])) . "
        " . (trim($data['new']['ssl_locality']) == '' ? '' : "L                      = ".trim($data['new']['ssl_locality']))."
        " . (trim($data['new']['ssl_organisation']) == '' ? '' : "O                      = ".trim($data['new']['ssl_organisation']))."
        " . (trim($data['new']['ssl_organisation_unit']) == '' ? '' : "OU                     = ".trim($data['new']['ssl_organisation_unit']))."
        CN                     = $domain
        emailAddress           = webmaster@".$data['new']['domain']."

        [ req_attributes ]
        ";//challengePassword              = A challenge password";

			$ext_cnf = "
        subjectAltName         = @alt_names

        [alt_names]
        DNS.1                  = $domain";

			$ssl_cnf_file = $ssl_dir.'/openssl.conf';
			$app->system->file_put_contents($ssl_cnf_file, $ssl_cnf);
			$ssl_ext_file = $ssl_dir.'/v3.ext';
			$app->system->file_put_contents($ssl_ext_file, $ext_cnf);

			$openssl_cmd_key_file = $key_file;
			if(substr($domain, 0, 2) == '*.' && strpos($key_file, '/ssl/\*.') !== false) $key_file = str_replace('/ssl/\*.', '/ssl/*.', $key_file); // wildcard certificate
			$ssl_days = 3650;
			$openssl_cmd_csr_file = $csr_file;
			if(substr($domain, 0, 2) == '*.' && strpos($csr_file, '/ssl/\*.') !== false) $csr_file = str_replace('/ssl/\*.', '/ssl/*.', $csr_file); // wildcard certificate
			$config_file = $ssl_cnf_file;
			$openssl_cmd_crt_file = $crt_file;
			if(substr($domain, 0, 2) == '*.' && strpos($crt_file, '/ssl/\*.') !== false) $crt_file = str_replace('/ssl/\*.', '/ssl/*.', $crt_file); // wildcard certificate

			if(is_file($ssl_cnf_file) && !is_link($ssl_cnf_file)) {
				$openssl_cmd = 'openssl req -nodes -newkey rsa:4096 -x509 -days ? -keyout ? -out ? -config ?';
				$app->system->exec_safe($openssl_cmd, $ssl_days, $openssl_cmd_key_file, $openssl_cmd_crt_file, $config_file);
				$app->system->exec_safe("openssl req -new -sha256 -key ? -out ? -days ? -config ?", $openssl_cmd_key_file, $openssl_cmd_csr_file, $ssl_days, $config_file);

				if(file_exists($web_config['CA_path'].'/openssl.cnf'))
				{
					$app->system->exec_safe("openssl ca -batch -out ? -config ? -passin pass:? -in ? -extfile ?", $openssl_cmd_crt_file, $web_config['CA_path']."/openssl.cnf", $web_config['CA_pass'], $openssl_cmd_csr_file, $ssl_ext_file);
					$app->log("Creating CA-signed SSL Cert for: $domain", LOGLEVEL_DEBUG);
					if(filesize($crt_file) == 0 || !file_exists($crt_file)) {
						$app->log("CA-Certificate signing failed.  openssl ca -out $openssl_cmd_crt_file -config " . $web_config['CA_path'] . "/openssl.cnf -passin pass:" . $web_config['CA_pass'] . " -in $openssl_cmd_csr_file -extfile $ssl_ext_file", LOGLEVEL_ERROR);
					}
				}
				if (@filesize($crt_file)==0 || !file_exists($crt_file)){
					$app->system->exec_safe($openssl_cmd, $ssl_days, $openssl_cmd_key_file, $openssl_cmd_crt_file, $config_file);
					$app->log("Creating self-signed SSL Cert for: $domain", LOGLEVEL_DEBUG);
				}

			}

			$app->system->chmod($key_file, 0400);
			@$app->system->unlink($config_file);
			@$app->system->unlink($rand_file);
			@$app->system->unlink($ssl_ext_file);
			$ssl_request = $app->system->file_get_contents($csr_file);
			$ssl_cert = $app->system->file_get_contents($crt_file);
			$ssl_key = $app->system->file_get_contents($key_file);
			/* Update the DB of the (local) Server */
			$app->db->query("UPDATE web_domain SET ssl_request = ?, ssl_cert = ?, ssl_key = ? WHERE domain = ?", $ssl_request, $ssl_cert, $ssl_key, $data['new']['domain']);
			$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
			/* Update also the master-DB of the Server-Farm */
			$app->dbmaster->query("UPDATE web_domain SET ssl_request = ?, ssl_cert = ?, ssl_key = ? WHERE domain = ?", $ssl_request, $ssl_cert, $ssl_key, $data['new']['domain']);
			$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
		}

		//* Check that the SSL key is not password protected
		if($data["new"]["ssl_action"] == 'save') {
			if(stristr($data["new"]["ssl_key"],'Proc-Type: 4,ENCRYPTED')) {
				$data["new"]["ssl_action"] = '';

				$app->log('SSL Certificate not saved. The SSL key is encrypted.', LOGLEVEL_WARN);
				$app->dbmaster->datalogError('SSL Certificate not saved. The SSL key is encrypted.');

				/* Update the DB of the (local) Server */
				$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);

				/* Update also the master-DB of the Server-Farm */
				$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
			}
		}

		//* and check that SSL cert does not contain subdomain of domain acme.invalid
		if($data["new"]["ssl_action"] == 'save') {
			$tmp = array();
			$crt_data = '';
			$app->system->exec_safe('openssl x509 -noout -text -in ?', $crt_file);
			$tmp = $app->system->last_exec_out();
			$crt_data = implode("\n",$tmp);
			if(stristr($crt_data,'.acme.invalid')) {
				$data["new"]["ssl_action"] = '';

				$app->log('SSL Certificate not saved. The SSL cert contains domain acme.invalid.', LOGLEVEL_WARN);
				$app->dbmaster->datalogError('SSL Certificate not saved. The SSL cert contains domain acme.invalid.');

				/* Update the DB of the (local) Server */
				$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);

				/* Update also the master-DB of the Server-Farm */
				$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
			}
		}

		//* Save a SSL certificate to disk
		if($data["new"]["ssl_action"] == 'save') {
			$this->ssl_certificate_changed = true;

			//* Backup files
			if(file_exists($key_file)){
				$app->system->copy($key_file, $key_file.'~');
				$app->system->chmod($key_file.'~', 0400);
			}

			if(file_exists($csr_file)) $app->system->copy($csr_file, $csr_file.'~');
			if(file_exists($crt_file)) $app->system->copy($crt_file, $crt_file.'~');

			//* Write new ssl files
			if(trim($data["new"]["ssl_request"]) != '') $app->system->file_put_contents($csr_file, $data["new"]["ssl_request"]);
			if(trim($data["new"]["ssl_cert"]) != '') $app->system->file_put_contents($crt_file, $data["new"]["ssl_cert"]);
			if(trim($data["new"]["ssl_key"]) != '') $app->system->file_put_contents($key_file, $data["new"]["ssl_key"]);
			$app->system->chmod($key_file, 0400);

			// for nginx, bundle files have to be appended to the certificate file
			if(trim($data["new"]["ssl_bundle"]) != ''){
				if(file_exists($crt_file)){
					$crt_file_contents = trim($app->system->file_get_contents($crt_file));
				} else {
					$crt_file_contents = '';
				}
				if($crt_file_contents != '') $crt_file_contents .= "\n";
				$crt_file_contents .= $data["new"]["ssl_bundle"];
				$app->system->file_put_contents($crt_file, $app->file->unix_nl($crt_file_contents));
				unset($crt_file_contents);
			}

			/* Update the DB of the (local) Server */
			$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);

			/* Update also the master-DB of the Server-Farm */
			$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
			$app->log('Saving SSL Cert for: '.$domain, LOGLEVEL_DEBUG);
		}

		//* Delete a SSL certificate
		if($data['new']['ssl_action'] == 'del') {
			if(file_exists($web_config['CA_path'].'/openssl.cnf') && !is_link($web_config['CA_path'].'/openssl.cnf'))
			{
				$app->system->exec_safe("openssl ca -batch -config ? -passin pass:? -revoke ?", $web_config['CA_path']."/openssl.cnf", $web_config['CA_pass'], $crt_file);
				$app->log("Revoking CA-signed SSL Cert for: $domain", LOGLEVEL_DEBUG);
			};
			$app->system->unlink($csr_file);
			$app->system->unlink($crt_file);
			/* Update the DB of the (local) Server */
			$app->db->query("UPDATE web_domain SET ssl_request = '', ssl_cert = '' WHERE domain = ? AND server_id = ?", $data['new']['domain'], $data['new']['server_id']);
			$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ? AND server_id = ?", $data['new']['domain'], $data['new']['server_id']);
			/* Update also the master-DB of the Server-Farm */
			$app->dbmaster->query("UPDATE web_domain SET ssl_request = '', ssl_cert = '' WHERE domain = ? AND server_id = ?", $data['new']['domain'], $data['new']['server_id']);
			$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ? AND server_id = ?", $data['new']['domain'], $data['new']['server_id']);
			$app->log('Deleting SSL Cert for: '.$domain, LOGLEVEL_DEBUG);
		}

	}


	function insert($event_name, $data) {
		global $app, $conf;

		$this->action = 'insert';
		// just run the update function
		$this->update($event_name, $data);


	}


	function update($event_name, $data) {
		global $app, $conf;

		//* Check if the apache plugin is enabled
		if(@is_link('/usr/local/ispconfig/server/plugins-enabled/apache2_plugin.inc.php')) {
			$app->log('The nginx plugin cannot be used together with the apache2 plugin.', LOGLEVEL_WARN);
			return 0;
		}

		if($this->action != 'insert') $this->action = 'update';

		if($data['new']['type'] != 'vhost' && $data['new']['type'] != 'vhostsubdomain' && $data['new']['type'] != 'vhostalias' && $data['new']['parent_domain_id'] > 0) {

			$old_parent_domain_id = intval($data['old']['parent_domain_id']);
			$new_parent_domain_id = intval($data['new']['parent_domain_id']);

			// If the parent_domain_id has been changed, we will have to update the old site as well.
			if($this->action == 'update' && $data['new']['parent_domain_id'] != $data['old']['parent_domain_id']) {
				$tmp = $app->db->queryOneRecord('SELECT * FROM web_domain WHERE domain_id = ? AND active = ?', $old_parent_domain_id, 'y');
				$data['new'] = $tmp;
				$data['old'] = $tmp;
				$this->action = 'update';
				$this->update($event_name, $data);
			}

			// This is not a vhost, so we need to update the parent record instead.
			$tmp = $app->db->queryOneRecord('SELECT * FROM web_domain WHERE domain_id = ? AND active = ?', $new_parent_domain_id, 'y');
			$data['new'] = $tmp;
			$data['old'] = $tmp;
			$this->action = 'update';
			$this->update_letsencrypt = true;
		}

		// load the server configuration options
		$app->uses('getconf');
		$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');

		//* Check if nginx is using a chrooted setup
		if($web_config['website_basedir'] != '' && @is_file($web_config['website_basedir'].'/etc/passwd')) {
			$nginx_chrooted = true;
			$app->log('Info: nginx is chrooted.', LOGLEVEL_DEBUG);
		} else {
			$nginx_chrooted = false;
		}

		if($data['new']['document_root'] == '') {
			if($data['new']['type'] == 'vhost' || $data['new']['type'] == 'vhostsubdomain' || $data['new']['type'] == 'vhostalias') $app->log('document_root not set', LOGLEVEL_WARN);
			return 0;
		}
		if($app->system->is_allowed_user($data['new']['system_user'], $app->system->is_user($data['new']['system_user']), true) == false
			|| $app->system->is_allowed_group($data['new']['system_group'], $app->system->is_group($data['new']['system_group']), true) == false) {
			$app->log('Problem with website user or group.  Websites cannot be owned by root or an existing user/group. User: '.$data['new']['system_user'].' Group: '.$data['new']['system_group'], LOGLEVEL_WARN);
			return 0;
		}
		if(trim($data['new']['domain']) == '') {
			$app->log('domain is empty', LOGLEVEL_WARN);
			return 0;
		}

		$web_folder = 'web';
		$log_folder = 'log';
		$old_web_folder = 'web';
		$old_log_folder = 'log';
		if($data['new']['type'] == 'vhost'){
			if($data['new']['web_folder'] != ''){
				if(substr($data['new']['web_folder'],0,1) == '/') $data['new']['web_folder'] = substr($data['new']['web_folder'],1);
				if(substr($data['new']['web_folder'],-1) == '/') $data['new']['web_folder'] = substr($data['new']['web_folder'],0,-1);
			}
			$web_folder .= '/'.$data['new']['web_folder'];

			if($data['old']['web_folder'] != ''){
				if(substr($data['old']['web_folder'],0,1) == '/') $data['old']['web_folder'] = substr($data['old']['web_folder'],1);
				if(substr($data['old']['web_folder'],-1) == '/') $data['old']['web_folder'] = substr($data['old']['web_folder'],0,-1);
			}
			$old_web_folder .= '/'.$data['old']['web_folder'];
		}
		if($data['new']['type'] == 'vhostsubdomain' || $data['new']['type'] == 'vhostalias') {
			// new one
			$tmp = $app->db->queryOneRecord('SELECT `domain` FROM web_domain WHERE domain_id = ?', $data['new']['parent_domain_id']);
			$subdomain_host = preg_replace('/^(.*)\.' . preg_quote($tmp['domain'], '/') . '$/', '$1', $data['new']['domain']);
			if($subdomain_host == '') $subdomain_host = 'web'.$data['new']['domain_id'];
			$web_folder = $data['new']['web_folder'];
			$log_folder .= '/' . $subdomain_host;
			unset($tmp);

			if($app->system->is_blacklisted_web_path($web_folder)) {
				$app->log('Vhost ' . $subdomain_host . ' is using a blacklisted web folder: ' . $web_folder, LOGLEVEL_ERROR);
				return 0;
			}

			if(isset($data['old']['parent_domain_id'])) {
				// old one
				$tmp = $app->db->queryOneRecord('SELECT `domain` FROM web_domain WHERE domain_id = ?', $data['old']['parent_domain_id']);
				$subdomain_host = preg_replace('/^(.*)\.' . preg_quote($tmp['domain'], '/') . '$/', '$1', $data['old']['domain']);
				if($subdomain_host == '') $subdomain_host = 'web'.$data['old']['domain_id'];
				$old_web_folder = $data['old']['web_folder'];
				$old_log_folder .= '/' . $subdomain_host;
				unset($tmp);
			}
		}

		// Create group and user, if not exist
		$app->uses('system');

		if($web_config['connect_userid_to_webid'] == 'y') {
			//* Calculate the uid and gid
			$connect_userid_to_webid_start = ($web_config['connect_userid_to_webid_start'] < 1000)?1000:intval($web_config['connect_userid_to_webid_start']);
			$fixed_uid_gid = intval($connect_userid_to_webid_start + $data['new']['domain_id']);
			$fixed_uid_param = '--uid '.$fixed_uid_gid;
			$fixed_gid_param = '--gid '.$fixed_uid_gid;

			//* Check if a ispconfigend user and group exists and create them
			if(!$app->system->is_group('ispconfigend')) {
				$app->system->exec_safe('groupadd --gid ? ispconfigend', $connect_userid_to_webid_start + 10000);
			}
			if(!$app->system->is_user('ispconfigend')) {
				$app->system->exec_safe('useradd -g ispconfigend -d /usr/local/ispconfig --uid ? ispconfigend', $connect_userid_to_webid_start + 10000);
			}
		} else {
			$fixed_uid_param = '';
			$fixed_gid_param = '';
		}

		$groupname = $data['new']['system_group'];
		if($data['new']['system_group'] != '' && !$app->system->is_group($data['new']['system_group'])) {
			$app->system->exec_safe('groupadd ' . $fixed_gid_param . ' ?', $groupname);
			if($nginx_chrooted) $app->system->exec_safe('chroot ? groupadd ?', $web_config['website_basedir'], $groupname);
			$app->log('Adding the group: '.$groupname, LOGLEVEL_DEBUG);
		}

		$username = $data['new']['system_user'];
		if($data['new']['system_user'] != '' && !$app->system->is_user($data['new']['system_user'])) {
			if($web_config['add_web_users_to_sshusers_group'] == 'y') {
				$app->system->exec_safe('useradd -d ? -g ? ' . $fixed_uid_param . ' -G sshusers ? -s /bin/false', $data['new']['document_root'], $groupname, $username);
				if($nginx_chrooted) $app->system->exec_safe('chroot ? useradd -d ? -g ? ' . $fixed_uid_param . ' -G sshusers ? -s /bin/false', $web_config['website_basedir'], $data['new']['document_root'], $groupname, $username);
			} else {
				$app->system->exec_safe('useradd -d ? -g ? ' . $fixed_uid_param . ' ? -s /bin/false', $data['new']['document_root'], $groupname, $username);
				if($nginx_chrooted) $app->system->exec_safe('chroot ? useradd -d ? -g ? ' . $fixed_uid_param . ' ? -s /bin/false', $web_config['website_basedir'], $data['new']['document_root'], $groupname, $username);
			}
			$app->log('Adding the user: '.$username, LOGLEVEL_DEBUG);
		}

		//* If the client of the site has been changed, we have a change of the document root
		if($this->action == 'update' && $data['new']['document_root'] != $data['old']['document_root']) {

			//* Get the old client ID
			$old_client = $app->dbmaster->queryOneRecord('SELECT client_id FROM sys_group WHERE sys_group.groupid = ?', $data['old']['sys_groupid']);
			$old_client_id = intval($old_client['client_id']);
			unset($old_client);

			//* Remove the old symlinks
			$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]', $old_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);
					// remove the old symlinks if they exist
					if(is_link($tmp_symlink)) {
						$app->system->exec_safe('rm -f ?', $tmp_symlink);
						$app->log('Removed symlink: rm -f '.$tmp_symlink, LOGLEVEL_DEBUG);
					}
				}
			}

			//* Remove protection of old folders
			$app->system->web_folder_protection($data['old']['document_root'], false);

			if($data["new"]["type"] != "vhostsubdomain" && $data["new"]["type"] != "vhostalias") {
				//* Move the site data
				$tmp_docroot = explode('/', $data['new']['document_root']);
				unset($tmp_docroot[count($tmp_docroot)-1]);
				$new_dir = implode('/', $tmp_docroot);

				$tmp_docroot = explode('/', $data['old']['document_root']);
				unset($tmp_docroot[count($tmp_docroot)-1]);
				$old_dir = implode('/', $tmp_docroot);

				//* Check if there is already some data in the new docroot and rename it as we need a clean path to move the existing site to the new path
				if(@is_dir($data['new']['document_root'])) {
					$app->system->web_folder_protection($data['new']['document_root'], false);
					$app->system->rename($data['new']['document_root'], $data['new']['document_root'].'_bak_'.date('Y_m_d_H_i_s'));
					$app->log('Renaming existing directory in new docroot location. mv '.$data['new']['document_root'].' '.$data['new']['document_root'].'_bak_'.date('Y_m_d_H_i_s'), LOGLEVEL_DEBUG);
				}

				//* Unmount the old log directory bfore we move the log dir
				$app->system->exec_safe('umount ?', $old_dir.'/log');

				//* Create new base directory, if it does not exist yet
				if(!is_dir($new_dir)) $app->system->mkdirpath($new_dir);
				$app->system->exec_safe('mv ? ?', $data['old']['document_root'], $new_dir);
				$app->log('Moving site to new document root: mv '.$data['old']['document_root'].' '.$new_dir, LOGLEVEL_DEBUG);

				// Handle the change in php_open_basedir
				$data['new']['php_open_basedir'] = str_replace($data['old']['document_root'], $data['new']['document_root'], $data['old']['php_open_basedir']);

				//* Change the owner of the website files to the new website owner
				$app->system->exec_safe('chown --recursive --from=?:? ?:? ?', $data['old']['system_user'], $data['old']['system_group'], $data['new']['system_user'], $data['new']['system_group'], $new_dir);

				//* Change the home directory and group of the website user
				$command = 'killall -u ? ; usermod';
				$command .= ' --home ?';
				$command .= ' --gid ?';
				$command .= ' ? 2>/dev/null';
				$app->system->exec_safe($command, $data['new']['system_user'], $data['new']['document_root'], $data['new']['system_group'], $data['new']['system_user']);
			}

			if($nginx_chrooted) $app->system->exec_safe('chroot ? ?', $web_config['website_basedir'], $command);

			//* Change the log mount
			$fstab_line_old = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$old_log_folder.'    none    bind';

			if($web_config['network_filesystem'] == 'y') {
				$fstab_line = '/var/log/ispconfig/httpd/'.$data['new']['domain'].' '.$data['new']['document_root'].'/'.$log_folder.'    none    bind,nofail,_netdev    0 0';
				$app->system->replaceLine('/etc/fstab', $fstab_line_old, $fstab_line, 0, 1);
			} else {
				$fstab_line = '/var/log/ispconfig/httpd/'.$data['new']['domain'].' '.$data['new']['document_root'].'/'.$log_folder.'    none    bind,nofail    0 0';
				$app->system->replaceLine('/etc/fstab', $fstab_line_old, $fstab_line, 0, 1);
			}

			$app->system->exec_safe('mount --bind ? ?', '/var/log/ispconfig/httpd/'.$data['new']['domain'], $data['new']['document_root'].'/'.$log_folder);

		}

		// Check if the directories are there and create them if necessary.
		$app->system->web_folder_protection($data['new']['document_root'], false);

		if(!is_dir($data['new']['document_root'].'/' . $web_folder)) {
			if($web_folder !== 'web') { //vhost sub/alias
				$app->system->mkdirpath($data['new']['document_root'].'/' . $web_folder, 0755, $username, $groupname);
			} else {
				$app->system->mkdirpath($data['new']['document_root'].'/' . $web_folder);
			}
		}
		if(!is_dir($data['new']['document_root'].'/' . $web_folder . '/error') and $data['new']['errordocs']) $app->system->mkdirpath($data['new']['document_root'].'/' . $web_folder . '/error');
		if($data['new']['stats_type'] != '' && !is_dir($data['new']['document_root'].'/' . $web_folder . '/stats')) $app->system->mkdirpath($data['new']['document_root'].'/' . $web_folder . '/stats');
		if(!is_dir($data['new']['document_root'].'/ssl')) $app->system->mkdirpath($data['new']['document_root'].'/ssl');
		if(!is_dir($data['new']['document_root'].'/cgi-bin')) $app->system->mkdirpath($data['new']['document_root'].'/cgi-bin');
		if(!is_dir($data['new']['document_root'].'/tmp')) $app->system->mkdirpath($data['new']['document_root'].'/tmp');
		if(!is_dir($data['new']['document_root'].'/backup')) $app->system->mkdirpath($data['new']['document_root'].'/backup', 0755, $username, $groupname);

		if(!is_dir($data['new']['document_root'].'/.ssh')) {
			$app->system->mkdirpath($data['new']['document_root'].'/.ssh');
			$app->system->chmod($data['new']['document_root'].'/.ssh', 0700);
			$app->system->chown($data['new']['document_root'].'/.ssh', $username);
			$app->system->chgrp($data['new']['document_root'].'/.ssh', $groupname);
		}

		//* Create the new private directory
		if(!is_dir($data['new']['document_root'].'/private')) {
			$app->system->mkdirpath($data['new']['document_root'].'/private');
			$app->system->chmod($data['new']['document_root'].'/private', 0710);
			$app->system->chown($data['new']['document_root'].'/private', $username);
			$app->system->chgrp($data['new']['document_root'].'/private', $groupname);
		}


		// load jailkit server config
		$jailkit_config = $app->getconf->get_server_config($conf['server_id'], 'jailkit');

		// website overrides
		if (isset($data['new']['jailkit_chroot_app_sections']) && $data['new']['jailkit_chroot_app_sections'] != '' ) {
			$jailkit_config['jailkit_chroot_app_sections'] = $data['new']['jailkit_chroot_app_sections'];
		}
		if (isset($data['new']['jailkit_chroot_app_programs']) && $data['new']['jailkit_chroot_app_programs'] != '' ) {
			$jailkit_config['jailkit_chroot_app_programs'] = $data['new']['jailkit_chroot_app_programs'];
		}

		$last_updated = preg_split('/[\s,]+/', $jailkit_config['jailkit_chroot_app_sections']
						  .' '.$jailkit_config['jailkit_chroot_app_programs']
						  .' '.$jailkit_config['jailkit_chroot_cron_programs']);
		$last_updated = array_unique($last_updated, SORT_REGULAR);
		sort($last_updated, SORT_STRING);
		$update_hash = hash('md5', implode(' ', $last_updated));
		$check_for_jailkit_updates=false;

		$create_jail_conditions= ($data['old']['php_fpm_chroot'] != 'y' ||
			! is_dir($data['new']['document_root'].'/etc/jailkit') ||
			($data['old']['php'] != $data['new']['php'] && $data['new']['php'] != 'no'));

		// Create jailkit chroot if needed and when enabling php_fpm_chroot
		if($data['new']['php_fpm_chroot'] == 'y' && $create_jail_conditions && $data['new']['php'] != 'no') {
			$website = $app->db->queryOneRecord('SELECT * FROM web_domain WHERE domain_id = ?', $data['new']['domain_id']);
			$this->website = array_merge($website, $data['new'], array('new_jailkit_hash' => $update_hash));
			$this->jailkit_config = $jailkit_config;
			$this->_setup_jailkit_chroot();
			$this->_add_jailkit_user();
		// else delete if unused
		} elseif (($data['new']['delete_unused_jailkit'] == 'y' && $data['new']['php_fpm_chroot'] != 'y') ||
			($data['new']['delete_unused_jailkit'] == 'y' && $data['new']['php'] == 'no')) {
			$check_for_jailkit_updates=false;
			$this->_delete_jailkit_if_unused($data['new']['domain_id']);
			if(is_dir($data['new']['document_root'].'/etc/jailkit')) {
				$check_for_jailkit_updates=true;
			}
		// else update if needed
		} elseif ($data['new']['delete_unused_jailkit'] != 'y') {
			$check_for_jailkit_updates=true;
		}

		// If jail exists (and wasn't deleted), we may need to update it
		if($check_for_jailkit_updates &&
		   ( ($data['old']['jailkit_chroot_app_sections'] != $data['new']['jailkit_chroot_app_sections']) ||
		     ($data['old']['jailkit_chroot_app_programs'] != $data['new']['jailkit_chroot_app_programs']) ) )
		{

			if (isset($jailkit_config['jailkit_hardlinks'])) {
				if ($jailkit_config['jailkit_hardlinks'] == 'yes') {
					$options = array('hardlink');
				} elseif ($jailkit_config['jailkit_hardlinks'] == 'no') {
					$options = array();
				}
			} else {
				$options = array('allow_hardlink');
			}

			$options[] = 'force';

			$sections = $jailkit_config['jailkit_chroot_app_sections'];
			$programs = $jailkit_config['jailkit_chroot_app_programs'] . ' '
				  . $jailkit_config['jailkit_chroot_cron_programs'];

			$records = $app->db->queryAllRecords('SELECT web_folder FROM `web_domain` WHERE `parent_domain_id` = ? AND `document_root` = ? AND web_folder != \'\' AND web_folder IS NOT NULL AND `server_id` = ?', $data['new']['domain_id'], $data['new']['document_root'], $conf['server_id']);
			foreach ($records as $record) {
				$options[] = 'skip='.$record['web_folder'];
			}

			// don't update if last_jailkit_hash is the same
			$tmp = $app->db->queryOneRecord('SELECT `last_jailkit_hash` FROM web_domain WHERE domain_id = ?', $data['new']['parent_domain_id']);
			if ($update_hash != $tmp['last_jailkit_hash']) {
				$app->system->update_jailkit_chroot($data['new']['document_root'], $sections, $programs, $options);

				// this gets last_jailkit_update out of sync with master db, but that is ok,
				// as it is only used as a timestamp to moderate the frequency of updating on the slaves
				$app->db->query("UPDATE `web_domain` SET `last_jailkit_update` = NOW(), `last_jailkit_hash` = ? WHERE `document_root` = ?", $update_hash, $data['new']['document_root']);
			}
			unset($tmp);
		}

		// Remove the symlink for the site, if site is renamed
		if($this->action == 'update' && $data['old']['domain'] != '' && $data['new']['domain'] != $data['old']['domain']) {
			if(is_dir('/var/log/ispconfig/httpd/'.$data['old']['domain'])) $app->system->exec_safe('rm -rf ?', '/var/log/ispconfig/httpd/'.$data['old']['domain']);
			if(is_link($data['old']['document_root'].'/'.$old_log_folder)) $app->system->unlink($data['old']['document_root'].'/'.$old_log_folder);

			//* remove old log mount
			$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$old_log_folder.'    none    bind';
			$app->system->removeLine('/etc/fstab', $fstab_line);

			//* Unmount log directory
			$app->system->exec_safe('umount ?', $data['old']['document_root'].'/'.$old_log_folder);
		}

		//* Create the log dir if nescessary and mount it
		if(!is_dir($data['new']['document_root'].'/'.$log_folder) || !is_dir('/var/log/ispconfig/httpd/'.$data['new']['domain']) || is_link($data['new']['document_root'].'/'.$log_folder)) {
			if(is_link($data['new']['document_root'].'/'.$log_folder)) unlink($data['new']['document_root'].'/'.$log_folder);
			if(!is_dir('/var/log/ispconfig/httpd/'.$data['new']['domain'])) $app->system->exec_safe('mkdir -p ?', '/var/log/ispconfig/httpd/'.$data['new']['domain']);
			$app->system->mkdirpath($data['new']['document_root'].'/'.$log_folder);
			$app->system->chown($data['new']['document_root'].'/'.$log_folder, 'root');
			$app->system->chgrp($data['new']['document_root'].'/'.$log_folder, 'root');
			$app->system->chmod($data['new']['document_root'].'/'.$log_folder, 0755);
			$app->system->exec_safe('mount --bind ? ?', '/var/log/ispconfig/httpd/'.$data['new']['domain'], $data['new']['document_root'].'/'.$log_folder);
			//* add mountpoint to fstab
			$fstab_line = '/var/log/ispconfig/httpd/'.$data['new']['domain'].' '.$data['new']['document_root'].'/'.$log_folder.'    none    bind,nofail';
			$fstab_line .= @($web_config['network_filesystem'] == 'y')?',_netdev    0 0':'    0 0';
			$app->system->replaceLine('/etc/fstab', $fstab_line, $fstab_line, 1, 1);
		}

		$app->system->web_folder_protection($data['new']['document_root'], true);

		// Get the client ID
		$client = $app->dbmaster->queryOneRecord('SELECT client_id FROM sys_group WHERE sys_group.groupid = ?', $data['new']['sys_groupid']);
		$client_id = (is_array($client)) ? intval($client['client_id']) : 0;
		unset($client);

		// Remove old symlinks, if site is renamed
		if($this->action == 'update' && $data['old']['domain'] != '' && $data['new']['domain'] != $data['old']['domain']) {
			$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);
					// remove the old symlinks if they exist
					if(is_link($tmp_symlink)) {
						$app->system->exec_safe('rm -f ?', $tmp_symlink);
						$app->log('Removed symlink: rm -f '.$tmp_symlink, LOGLEVEL_DEBUG);
					}
				}
			}
		}

		// Create the symlinks for the sites
		$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['new']['domain'], $tmp_symlink);
				// Remove trailing slash
				if(substr($tmp_symlink, -1, 1) == '/') $tmp_symlink = substr($tmp_symlink, 0, -1);
				//* Remove symlink if target folder has been changed.
				if($data['old']['document_root'] != '' && $data['old']['document_root'] != $data['new']['document_root'] && is_link($tmp_symlink)) {
					$app->system->unlink($tmp_symlink);
				}
				// create the symlinks, if not exist
				if(!is_link($tmp_symlink)) {
					if ($web_config["website_symlinks_rel"] == 'y') {
						$app->system->create_relative_link($data["new"]["document_root"], $tmp_symlink);
					} else {
						$app->system->exec_safe("ln -s ? ?", $data["new"]["document_root"]."/", $tmp_symlink);
					}

					$app->log('Creating symlink: ln -s '.$data['new']['document_root'].'/ '.$tmp_symlink, LOGLEVEL_DEBUG);
				}
			}
		}



		// Install the Standard or Custom Error, Index and other related files
		// /usr/local/ispconfig/server/conf is for the standard files
		// /usr/local/ispconfig/server/conf-custom is for the custom files
		// setting a local var here

		// normally $conf['templates'] = "/usr/local/ispconfig/server/conf";
		if($this->action == 'insert' && ($data['new']['type'] == 'vhost' || $data['new']['type'] == 'vhostsubdomain' || $data['new']['type'] == 'vhostalias')) {

			// Copy the error pages
			if($data['new']['errordocs']) {
				$error_page_path = $data['new']['document_root'].'/' . $web_folder . '/error/';
				if (file_exists($conf['rootpath'] . '/conf-custom/error/'.substr($conf['language'], 0, 2))) {
					$app->system->exec_safe('cp ?* ?', $conf['rootpath'] . '/conf-custom/error/'.substr($conf['language'], 0, 2).'/', $error_page_path);
				}
				else {
					if (file_exists($conf['rootpath'] . '/conf-custom/error/400.html')) {
						$app->system->exec_safe('cp ?*.html ?', $conf['rootpath'] . '/conf-custom/error/', $error_page_path);
					}
					else {
						$app->system->exec_safe('cp ?* ?', $conf['rootpath'] . '/conf/error/'.substr($conf['language'], 0, 2).'/', $error_page_path);
					}
				}
				$app->system->exec_safe('chmod -R a+r ?', $error_page_path);
			}

			//* Copy the web skeleton files only when there is no index.php, standard_index.html or index.html file yet
			if(!file_exists($data['new']['document_root'].'/'.$web_folder.'/index.html') && !file_exists($data['new']['document_root'].'/'.$web_folder.'/index.php') && !file_exists($data['new']['document_root'].'/'.$web_folder.'/standard_index.html')) {
				if (file_exists($conf['rootpath'] . '/conf-custom/index/standard_index.html_'.substr($conf['language'], 0, 2))) {
					if(!file_exists($data['new']['document_root'] . '/' . $web_folder . '/standard_index.html')) {
						$app->system->exec_safe('cp ? ?', $conf['rootpath'] . '/conf-custom/index/standard_index.html_' . substr($conf['language'], 0, 2), $data['new']['document_root'] . '/' . $web_folder . '/standard_index.html');
					}

					if(is_file($conf['rootpath'] . '/conf-custom/index/favicon.ico')) {
						if(!file_exists($data['new']['document_root'].'/' . $web_folder . '/favicon.ico')) $app->system->exec_safe('cp ? ?', $conf['rootpath'] . '/conf-custom/index/favicon.ico', $data['new']['document_root'].'/' . $web_folder . '/');
					}
					if(is_file($conf['rootpath'] . '/conf-custom/index/robots.txt')) {
						if(!file_exists($data['new']['document_root'].'/' . $web_folder . '/robots.txt')) $app->system->exec_safe('cp ? ?', $conf['rootpath'] . '/conf-custom/index/robots.txt', $data['new']['document_root'].'/' . $web_folder . '/');
					}
				} else {
					if (file_exists($conf['rootpath'] . '/conf-custom/index/standard_index.html')) {
						if(!file_exists($data['new']['document_root'].'/' . $web_folder . '/standard_index.html')) $app->system->exec_safe('cp ? ?', $conf['rootpath'] . '/conf-custom/index/standard_index.html', $data['new']['document_root'].'/' . $web_folder . '/standard_index.html');
					} else {
						if(!file_exists($data['new']['document_root'].'/' . $web_folder . '/standard_index.html')) $app->system->exec_safe('cp ? ?', $conf['rootpath'] . '/conf/index/standard_index.html_'.substr($conf['language'], 0, 2), $data['new']['document_root'].'/' . $web_folder . '/standard_index.html');
						if(is_file($conf['rootpath'] . '/conf/index/favicon.ico')) {
							if(!file_exists($data['new']['document_root'].'/' . $web_folder . '/favicon.ico')) $app->system->exec_safe('cp ? ?', $conf['rootpath'] . '/conf/index/favicon.ico', $data['new']['document_root'].'/' . $web_folder . '/');
						}
						if(is_file($conf['rootpath'] . '/conf/index/robots.txt')) {
							if(!file_exists($data['new']['document_root'].'/' . $web_folder . '/robots.txt')) $app->system->exec_safe('cp ? ?', $conf['rootpath'] . '/conf/index/robots.txt', $data['new']['document_root'].'/' . $web_folder . '/');
						}
					}
				}
			}
			// Set the a+r mod to the web_folder.
			// Skip this for types where the target vhost already exists if the web_folder is "web". In this case, everything is setup already from the vhost setup
			if ( ( $data['new']['type'] != 'vhostalias' && $data['new']['type'] != 'vhostsubdomain' ) || $web_folder != 'web') {
				$app->system->exec_safe('chmod -R a+r ?', $data['new']['document_root'].'/' . $web_folder . '/');
			}

			//** Copy the error documents on update when the error document checkbox has been activated and was deactivated before
		} elseif ($this->action == 'update' && ($data['new']['type'] == 'vhost' || $data['new']['type'] == 'vhostsubdomain' || $data['new']['type'] == 'vhostalias') && $data['old']['errordocs'] == 0 && $data['new']['errordocs'] == 1) {

			$error_page_path = $data['new']['document_root'].'/' . $web_folder . '/error/';
			if (file_exists($conf['rootpath'] . '/conf-custom/error/'.substr($conf['language'], 0, 2))) {
				$app->system->exec_safe('cp ?* ?', $conf['rootpath'] . '/conf-custom/error/'.substr($conf['language'], 0, 2).'/', $error_page_path);
			}
			else {
				if (file_exists($conf['rootpath'] . '/conf-custom/error/400.html')) {
					$app->system->exec_safe('cp ?*.html ?', $conf['rootpath'] . '/conf-custom/error/', $error_page_path);
				}
				else {
					$app->system->exec_safe('cp ?* ?', $conf['rootpath'] . '/conf/error/'.substr($conf['language'], 0, 2).'/', $error_page_path);
				}
			}
			$app->system->exec_safe('chmod -R a+r ?', $error_page_path);
			$app->system->exec_safe('chown -R ?:? ?', $data['new']['system_user'], $data['new']['system_group'], $error_page_path);
		}  // end copy error docs

		// Set the quota for the user, but only for vhosts, not vhostsubdomains or vhostalias
		if($username != '' && $app->system->is_user($username) && $data['new']['type'] == 'vhost') {
			if($data['new']['hd_quota'] > 0) {
				$blocks_soft = $data['new']['hd_quota'] * 1024;
				$blocks_hard = $blocks_soft + 1024;
				$mb_soft = $data['new']['hd_quota'];
				$mb_hard = $mb_soft + 1;
			} else {
				$mb_soft = $mb_hard = $blocks_soft = $blocks_hard = 0;
			}

			// get the primitive folder for document_root and the filesystem, will need it later.
			$df_output=explode(" ", $app->system->exec_safe("df -T ?|awk 'END{print \$2,\$NF}'", $data['new']['document_root']));
			$file_system = $df_output[0];
			$primitive_root = $df_output[1];

			if($file_system == 'xfs') {
				$app->system->exec_safe("xfs_quota -x -c ? ?", "limit -u bsoft=$mb_soft" . 'm'. " bhard=$mb_hard" . 'm'. " " . $username, $primitive_root);

				// xfs only supports timers globally, not per user.
				$app->system->exec_safe("xfs_quota -x -c 'timer -bir -i 604800' ?", $primitive_root);

				unset($project_uid, $username_position, $xfs_projects);
				unset($primitive_root, $df_output, $mb_hard, $mb_soft);
			} else {
				if($app->system->is_installed('setquota')) {
					$app->system->exec_safe('setquota -u ? ? ? 0 0 -a &> /dev/null', $username, $blocks_soft, $blocks_hard);
					$app->system->exec_safe('setquota -T -u ? 604800 604800 -a &> /dev/null', $username);
				}
			}
		}

		if($this->action == 'insert' || $data["new"]["system_user"] != $data["old"]["system_user"]) {
			// Chown and chmod the directories below the document root
			// Skip this for types where the target vhost already exists if the web_folder is "web". In this case, everything is setup already from the vhost setup
			if ( ( $data['new']['type'] != 'vhostalias' && $data['new']['type'] != 'vhostsubdomain' ) || $web_folder != 'web') {
				$app->system->exec_safe( 'chown -R ?:? ?', $username, $groupname, $data['new']['document_root'] . '/' . $web_folder );
			}
			// The document root itself has to be owned by root in normal level and by the web owner in security level 20
			if($web_config['security_level'] == 20) {
				$app->system->exec_safe('chown ?:? ?', $username, $groupname, $data['new']['document_root'].'/' . $web_folder);
			} else {
				$app->system->exec_safe('chown root:root ?', $data['new']['document_root'].'/' . $web_folder);
			}
		}

		//* add the nginx user to the client group if this is a vhost and security level is set to high, no matter if this is an insert or update and regardless of set_folder_permissions_on_update
		if($data['new']['type'] == 'vhost' && $web_config['security_level'] == 20) $app->system->add_user_to_group($groupname, $web_config['nginx_user']);

		//* If the security level is set to high
		if(($this->action == 'insert' && $data['new']['type'] == 'vhost') or ($web_config['set_folder_permissions_on_update'] == 'y' && $data['new']['type'] == 'vhost') or ($web_folder != $old_web_folder && $data['new']['type'] == 'vhost')) {

			$app->system->web_folder_protection($data['new']['document_root'], false);

			//* Check if we have the new private folder and create it if nescessary
			if(!is_dir($data['new']['document_root'].'/private')) $app->system->mkdir($data['new']['document_root'].'/private');

			if($web_config['security_level'] == 20) {

				$app->system->chmod($data['new']['document_root'], 0755);
				$app->system->chmod($data['new']['document_root'].'/web', 0751);
				//$app->system->chmod($data['new']['document_root'].'/webdav',0710);
				$app->system->chmod($data['new']['document_root'].'/private', 0710);
				$app->system->chmod($data['new']['document_root'].'/ssl', 0755);
				if($web_folder != 'web') $app->system->chmod($data['new']['document_root'].'/'.$web_folder, 0751);

				// make tmp directory writable for nginx and the website users
				$app->system->chmod($data['new']['document_root'].'/tmp', 0770);

				// Set Log directory to 755 to make the logs accessible by the FTP user
				if(realpath($data['new']['document_root'].'/'.$log_folder . '/error.log') == '/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log') {
					$app->system->chmod($data['new']['document_root'].'/'.$log_folder, 0755);
				}

				if($web_config['add_web_users_to_sshusers_group'] == 'y') {
					$command = 'usermod';
					$command .= ' --groups sshusers';
					$command .= ' ? 2>/dev/null';
					$app->system->exec_safe($command, $data['new']['system_user']);
				}

				//* if we have a chrooted nginx environment
				if($nginx_chrooted) {
					$app->system->exec_safe('chroot ? ?', $web_config['website_basedir'], $command);

					//* add the nginx user to the client group in the chroot environment
					$tmp_groupfile = $app->system->server_conf['group_datei'];
					$app->system->server_conf['group_datei'] = $web_config['website_basedir'].'/etc/group';
					$app->system->add_user_to_group($groupname, $web_config['nginx_user']);
					$app->system->server_conf['group_datei'] = $tmp_groupfile;
					unset($tmp_groupfile);
				}

				//* Chown all default directories
				$app->system->chown($data['new']['document_root'], 'root');
				$app->system->chgrp($data['new']['document_root'], 'root');
				$app->system->chown($data['new']['document_root'].'/cgi-bin', $username);
				$app->system->chgrp($data['new']['document_root'].'/cgi-bin', $groupname);
				if(realpath($data['new']['document_root'].'/'.$log_folder . '/error.log') == '/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log') {
					$app->system->chown($data['new']['document_root'].'/'.$log_folder, 'root', false);
					$app->system->chgrp($data['new']['document_root'].'/'.$log_folder, $groupname, false);
				}
				$app->system->chown($data['new']['document_root'].'/ssl', 'root');
				$app->system->chgrp($data['new']['document_root'].'/ssl', 'root');
				$app->system->chown($data['new']['document_root'].'/tmp', $username);
				$app->system->chgrp($data['new']['document_root'].'/tmp', $groupname);
				$app->system->chown($data['new']['document_root'].'/web', $username);
				$app->system->chgrp($data['new']['document_root'].'/web', $groupname);
				$app->system->chown($data['new']['document_root'].'/web/error', $username);
				$app->system->chgrp($data['new']['document_root'].'/web/error', $groupname);
				if($data['new']['stats_type'] != '') {
					$app->system->chown($data['new']['document_root'].'/web/stats', $username);
					$app->system->chgrp($data['new']['document_root'].'/web/stats', $groupname);
				}
				//$app->system->chown($data['new']['document_root'].'/webdav',$username);
				//$app->system->chgrp($data['new']['document_root'].'/webdav',$groupname);
				$app->system->chown($data['new']['document_root'].'/private', $username);
				$app->system->chgrp($data['new']['document_root'].'/private', $groupname);

				if($web_folder != 'web'){
					$app->system->chown($data['new']['document_root'].'/'.$web_folder, $username);
					$app->system->chgrp($data['new']['document_root'].'/'.$web_folder, $groupname);
				}

				// If the security Level is set to medium
			} else {

				$app->system->chmod($data['new']['document_root'], 0755);
				$app->system->chmod($data['new']['document_root'].'/web', 0755);
				//$app->system->chmod($data['new']['document_root'].'/webdav',0755);
				$app->system->chmod($data['new']['document_root'].'/ssl', 0755);
				$app->system->chmod($data['new']['document_root'].'/cgi-bin', 0755);
				if($web_folder != 'web') $app->system->chmod($data['new']['document_root'].'/'.$web_folder, 0755);

				// make temp directory writable for nginx and the website users
				$app->system->chmod($data['new']['document_root'].'/tmp', 0770);

				// Set Log directory to 755 to make the logs accessible by the FTP user
				if(realpath($data['new']['document_root'].'/'.$log_folder . '/error.log') == '/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log') {
					$app->system->chmod($data['new']['document_root'].'/'.$log_folder, 0755);
				}

				$app->system->chown($data['new']['document_root'], 'root');
				$app->system->chgrp($data['new']['document_root'], 'root');
				$app->system->chown($data['new']['document_root'].'/cgi-bin', $username);
				$app->system->chgrp($data['new']['document_root'].'/cgi-bin', $groupname);
				if(realpath($data['new']['document_root'].'/'.$log_folder . '/error.log') == '/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log') {
					$app->system->chown($data['new']['document_root'].'/'.$log_folder, 'root', false);
					$app->system->chgrp($data['new']['document_root'].'/'.$log_folder, $groupname, false);
				}

				$app->system->chown($data['new']['document_root'].'/ssl', 'root');
				$app->system->chgrp($data['new']['document_root'].'/ssl', 'root');
				$app->system->chown($data['new']['document_root'].'/tmp', $username);
				$app->system->chgrp($data['new']['document_root'].'/tmp', $groupname);
				$app->system->chown($data['new']['document_root'].'/web', $username);
				$app->system->chgrp($data['new']['document_root'].'/web', $groupname);
				$app->system->chown($data['new']['document_root'].'/web/error', $username);
				$app->system->chgrp($data['new']['document_root'].'/web/error', $groupname);
				if($data['new']['stats_type'] != '') {
					$app->system->chown($data['new']['document_root'].'/web/stats', $username);
					$app->system->chgrp($data['new']['document_root'].'/web/stats', $groupname);
				}
				//$app->system->chown($data['new']['document_root'].'/webdav',$username);
				//$app->system->chgrp($data['new']['document_root'].'/webdav',$groupname);

				if($web_folder != 'web'){
					$app->system->chown($data['new']['document_root'].'/'.$web_folder, $username);
					$app->system->chgrp($data['new']['document_root'].'/'.$web_folder, $groupname);
				}
			}
		} elseif((($data['new']['type'] == 'vhostsubdomain') || ($data['new']['type'] == 'vhostalias')) &&
				 (($this->action == 'insert') || ($web_config['set_folder_permissions_on_update'] == 'y'))) {

			if($web_config['security_level'] == 20) {
				$app->system->chmod($data['new']['document_root'].'/' . $web_folder, 0710);
				$app->system->chown($data['new']['document_root'].'/' . $web_folder, $username);
				$app->system->chgrp($data['new']['document_root'].'/' . $web_folder, $groupname);
				$app->system->chown($data['new']['document_root'].'/' . $web_folder . '/error', $username);
				$app->system->chgrp($data['new']['document_root'].'/' . $web_folder . '/error', $groupname);
				if($data['new']['stats_type'] != '') {
					$app->system->chown($data['new']['document_root'].'/' . $web_folder . '/stats', $username);
					$app->system->chgrp($data['new']['document_root'].'/' . $web_folder . '/stats', $groupname);
				}
			} else {
				$app->system->chmod($data['new']['document_root'].'/' . $web_folder, 0755);
				$app->system->chown($data['new']['document_root'].'/' . $web_folder, $username);
				$app->system->chgrp($data['new']['document_root'].'/' . $web_folder, $groupname);
				$app->system->chown($data['new']['document_root'].'/' . $web_folder . '/error', $username);
				$app->system->chgrp($data['new']['document_root'].'/' . $web_folder . '/error', $groupname);
				if($data['new']['stats_type'] != '') {
					$app->system->chown($data['new']['document_root'].'/' . $web_folder . '/stats', $username);
					$app->system->chgrp($data['new']['document_root'].'/' . $web_folder . '/stats', $groupname);
				}
			}
		}

		//* Protect web folders
		$app->system->web_folder_protection($data['new']['document_root'], true);

		if($data['new']['type'] == 'vhost') {
			// Change the ownership of the error log to the root user
			if(!@is_file('/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log')) $app->system->exec_safe('touch ?', '/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log');
			$app->system->chown('/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log', 'root');
			$app->system->chgrp('/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log', 'root');
		}


		//* Create the vhost config file
		$app->load('tpl');

		$tpl = new tpl();
		$tpl->newTemplate('nginx_vhost.conf.master');

		// IPv4
		if($data['new']['ip_address'] == '') $data['new']['ip_address'] = '*';

		//* use ip-mapping for web-mirror
		if($data['new']['ip_address'] != '*' && $conf['mirror_server_id'] > 0) {
			$sql = "SELECT destination_ip FROM server_ip_map WHERE server_id = ? AND source_ip = ?";
			$newip = $app->db->queryOneRecord($sql, $conf['server_id'], $data['new']['ip_address']);
			$data['new']['ip_address'] = $newip['destination_ip'];
			unset($newip);
		}

		$vhost_data = $data['new'];

		//unset($vhost_data['ip_address']);
		$vhost_data['web_document_root'] = $data['new']['document_root'].'/' . $web_folder;
		$vhost_data['web_document_root_www'] = $web_config['website_basedir'].'/'.$data['new']['domain'].'/' . $web_folder;
		$vhost_data['web_basedir'] = $web_config['website_basedir'];

		// IPv6
		if($data['new']['ipv6_address'] != ''){
			$tpl->setVar('ipv6_enabled', 1);
			if ($conf['serverconfig']['web']['vhost_rewrite_v6'] == 'y') {
				if (isset($conf['serverconfig']['server']['v6_prefix']) && $conf['serverconfig']['server']['v6_prefix'] <> '') {
					$explode_v6prefix=explode(':', $conf['serverconfig']['server']['v6_prefix']);
					$explode_v6=explode(':', $data['new']['ipv6_address']);

					for ( $i = 0; $i <= count($explode_v6prefix)-1; $i++ ) {
						$explode_v6[$i] = $explode_v6prefix[$i];
					}
					$data['new']['ipv6_address'] = implode(':', $explode_v6);
					$vhost_data['ipv6_address'] = $data['new']['ipv6_address'];
				}
			}
		}
		if($data['new']['ip_address'] == '*' && $data['new']['ipv6_address'] == '') $tpl->setVar('ipv6_wildcard', 1);

		$default_php_fpm = true;

		if($data['new']['php'] == 'php-fpm' || $data['new']['php'] == 'hhvm'){
			if($data['new']['server_php_id'] != 0){
				$tmp_php = $app->db->queryOneRecord('SELECT * FROM server_php WHERE server_php_id = ?', $data['new']['server_php_id']);
				if($tmp_php) {
					$default_php_fpm = false;
					$custom_php_fpm_ini_dir = $tmp_php['php_fpm_ini_dir'];
					$custom_php_fpm_init_script = $tmp_php['php_fpm_init_script'];
					$custom_php_fpm_pool_dir = $tmp_php['php_fpm_pool_dir'];
					$custom_php_fpm_socket_dir = $tmp_php['php_fpm_socket_dir'];
					if(substr($custom_php_fpm_ini_dir, -1) != '/') $custom_php_fpm_ini_dir .= '/';
				}
			}
		} else {
			if($data['old']['server_php_id'] != 0 && $data['old']['php'] != 'no'){
				$tmp_php = $app->db->queryOneRecord('SELECT * FROM server_php WHERE server_php_id = ?', $data['old']['server_php_id']);
				if($tmp_php) {
					$default_php_fpm = false;
					$custom_php_fpm_ini_dir = $tmp_php['php_fpm_ini_dir'];
					$custom_php_fpm_init_script = $tmp_php['php_fpm_init_script'];
					$custom_php_fpm_pool_dir = $tmp_php['php_fpm_pool_dir'];
					$custom_php_fpm_socket_dir = $tmp_php['php_fpm_socket_dir'];
					if(substr($custom_php_fpm_ini_dir, -1) != '/') $custom_php_fpm_ini_dir .= '/';
				}
			}
		}

		if($default_php_fpm){
			$pool_dir = $web_config['php_fpm_pool_dir'];
		} else {
			$pool_dir = $custom_php_fpm_pool_dir;
		}
		$pool_dir = trim($pool_dir);
		if(substr($pool_dir, -1) != '/') $pool_dir .= '/';
		$pool_name = 'web'.$data['new']['domain_id'];

		if (!$default_php_fpm && !empty($custom_php_fpm_socket_dir)) {
			$socket_dir = $custom_php_fpm_socket_dir;
		} else {
			$socket_dir = $web_config['php_fpm_socket_dir'];
		}
		if(substr($socket_dir, -1) != '/') $socket_dir .= '/';

		if($data['new']['php_fpm_use_socket'] == 'y'){
			$use_tcp = 0;
			$use_socket = 1;
		} else {
			$use_tcp = 1;
			$use_socket = 0;
		}
		$tpl->setVar('use_tcp', $use_tcp);
		$tpl->setVar('use_socket', $use_socket);
		$tpl->setVar('php_fpm_chroot', $data['new']['php_fpm_chroot']);
		$tpl->setVar('php_fpm_chroot_web_folder', sprintf('/%s', trim($web_folder, '/')));
		$fpm_socket = $socket_dir.$pool_name.'.sock';
		$tpl->setVar('fpm_socket', $fpm_socket);
		$tpl->setVar('rnd_php_dummy_file', '/'.md5(uniqid(microtime(), 1)).'.htm');
		$vhost_data['fpm_port'] = $web_config['php_fpm_start_port'] + $data['new']['domain_id'] - 1;

		// backwards compatibility; since ISPConfig 3.0.5, the PHP mode for nginx is called 'php-fpm' instead of 'fast-cgi'. The following line makes sure that old web sites that have 'fast-cgi' in the database still get PHP-FPM support.
		if($vhost_data['php'] == 'fast-cgi') $vhost_data['php'] = 'php-fpm';

		// Custom rewrite rules
		/*
		$final_rewrite_rules = array();
		$custom_rewrite_rules = $data['new']['rewrite_rules'];
		// Make sure we only have Unix linebreaks
		$custom_rewrite_rules = str_replace("\r\n", "\n", $custom_rewrite_rules);
		$custom_rewrite_rules = str_replace("\r", "\n", $custom_rewrite_rules);
		$custom_rewrite_rule_lines = explode("\n", $custom_rewrite_rules);
		if(is_array($custom_rewrite_rule_lines) && !empty($custom_rewrite_rule_lines)){
			foreach($custom_rewrite_rule_lines as $custom_rewrite_rule_line){
				$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
			}
		}
		$tpl->setLoop('rewrite_rules', $final_rewrite_rules);
		*/

		// Custom rewrite rules
		$final_rewrite_rules = array();

		if(isset($data['new']['rewrite_rules']) && trim($data['new']['rewrite_rules']) != '') {
			$custom_rewrite_rules = trim($data['new']['rewrite_rules']);
			$custom_rewrites_are_valid = true;
			// use this counter to make sure all curly brackets are properly closed
			$if_level = 0;
			// Make sure we only have Unix linebreaks
			$custom_rewrite_rules = str_replace("\r\n", "\n", $custom_rewrite_rules);
			$custom_rewrite_rules = str_replace("\r", "\n", $custom_rewrite_rules);
			$custom_rewrite_rule_lines = explode("\n", $custom_rewrite_rules);
			if(is_array($custom_rewrite_rule_lines) && !empty($custom_rewrite_rule_lines)){
				foreach($custom_rewrite_rule_lines as $custom_rewrite_rule_line){
					// ignore comments
					if(substr(ltrim($custom_rewrite_rule_line), 0, 1) == '#'){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						continue;
					}
					// empty lines
					if(trim($custom_rewrite_rule_line) == ''){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						continue;
					}
					// rewrite
					if(preg_match('@^\s*rewrite\s+(^/)?\S+(\$)?\s+\S+(\s+(last|break|redirect|permanent|))?\s*;\s*$@', $custom_rewrite_rule_line)){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						continue;
					}
					if(preg_match('@^\s*rewrite\s+(^/)?(\'[^\']+\'|"[^"]+")+(\$)?\s+(\'[^\']+\'|"[^"]+")+(\s+(last|break|redirect|permanent|))?\s*;\s*$@', $custom_rewrite_rule_line)){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						continue;
					}
					if(preg_match('@^\s*rewrite\s+(^/)?(\'[^\']+\'|"[^"]+")+(\$)?\s+\S+(\s+(last|break|redirect|permanent|))?\s*;\s*$@', $custom_rewrite_rule_line)){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						continue;
					}
					if(preg_match('@^\s*rewrite\s+(^/)?\S+(\$)?\s+(\'[^\']+\'|"[^"]+")+(\s+(last|break|redirect|permanent|))?\s*;\s*$@', $custom_rewrite_rule_line)){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						continue;
					}
					// if
					if(preg_match('@^\s*if\s+\(\s*\$\S+(\s+(\!?(=|~|~\*))\s+(\S+|\".+\"))?\s*\)\s*\{\s*$@', $custom_rewrite_rule_line)){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						$if_level += 1;
						continue;
					}
					// if - check for files, directories, etc.
					if(preg_match('@^\s*if\s+\(\s*\!?-(f|d|e|x)\s+\S+\s*\)\s*\{\s*$@', $custom_rewrite_rule_line)){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						$if_level += 1;
						continue;
					}
					// break
					if(preg_match('@^\s*break\s*;\s*$@', $custom_rewrite_rule_line)){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						continue;
					}
					// return code [ text ]
					if(preg_match('@^\s*return\s+\d\d\d.*;\s*$@', $custom_rewrite_rule_line)){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						continue;
					}
					// return code URL
					// return URL
					if(preg_match('@^\s*return(\s+\d\d\d)?\s+(http|https|ftp)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&%\$\-]+)*\@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*\s*;\s*$@', $custom_rewrite_rule_line)){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						continue;
					}
					// set
					if(preg_match('@^\s*set\s+\$\S+\s+\S+\s*;\s*$@', $custom_rewrite_rule_line)){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						continue;
					}
					// closing curly bracket
					if(trim($custom_rewrite_rule_line) == '}'){
						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
						$if_level -= 1;
						continue;
					}
					$custom_rewrites_are_valid = false;
					break;
				}
			}
			if(!$custom_rewrites_are_valid || $if_level != 0){
				$final_rewrite_rules = array();
			}
		}
		$tpl->setLoop('rewrite_rules', $final_rewrite_rules);

		// Custom nginx directives
		$final_nginx_directives = array();
		if($data['new']['enable_pagespeed'] == 'y'){
			// if PageSpeed is already enabled, don't add configuration again
			if(stripos($nginx_directives, 'pagespeed') !== false){
				$vhost_data['enable_pagespeed'] = false;
			} else {
				$vhost_data['enable_pagespeed'] = true;
			}
		} else {
			$vhost_data['enable_pagespeed'] = false;
		}
		if(intval($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'", $data['new']['directive_snippets_id']);
			if(isset($snippet['snippet'])){
				$nginx_directives = $snippet['snippet'];
			} else {
				$nginx_directives = $data['new']['nginx_directives'];
			}
/*
			if($data['new']['enable_pagespeed'] == 'y'){
				// if PageSpeed is already enabled, don't add configuration again
				if(stripos($nginx_directives, 'pagespeed') !== false){
					$vhost_data['enable_pagespeed'] = false;
				} else {
					$vhost_data['enable_pagespeed'] = true;
				}
			} else {
				$vhost_data['enable_pagespeed'] = false;
			}
*/
		} else {
			$nginx_directives = $data['new']['nginx_directives'];
//			$vhost_data['enable_pagespeed'] = false;
		}
		if(!$nginx_directives) {
			$nginx_directives = ''; // ensure it is not null
		}

		// folder_directive_snippets
		if(isset($data['new']['folder_directive_snippets']) && !is_null($data['new']['folder_directive_snippets']) && trim($data['new']['folder_directive_snippets']) != ''){
			$data['new']['folder_directive_snippets'] = trim($data['new']['folder_directive_snippets']);
			$data['new']['folder_directive_snippets'] = str_replace("\r\n", "\n", $data['new']['folder_directive_snippets']);
			$data['new']['folder_directive_snippets'] = str_replace("\r", "\n", $data['new']['folder_directive_snippets']);
			$folder_directive_snippets_lines = explode("\n", $data['new']['folder_directive_snippets']);

			if(is_array($folder_directive_snippets_lines) && !empty($folder_directive_snippets_lines)){
				foreach($folder_directive_snippets_lines as $folder_directive_snippets_line){
					list($folder_directive_snippets_folder, $folder_directive_snippets_snippets_id) = explode(':', $folder_directive_snippets_line);

					$folder_directive_snippets_folder = trim($folder_directive_snippets_folder);
					$folder_directive_snippets_snippets_id = trim($folder_directive_snippets_snippets_id);

					if($folder_directive_snippets_folder  != '' && intval($folder_directive_snippets_snippets_id) > 0 && preg_match('@^((?!(.*\.\.)|(.*\./)|(.*//))[^/][\w/_\.\-]{1,100})?$@', $folder_directive_snippets_folder)){
						if(substr($folder_directive_snippets_folder, -1) != '/') $folder_directive_snippets_folder .= '/';
						if(substr($folder_directive_snippets_folder, 0, 1) == '/') $folder_directive_snippets_folder = substr($folder_directive_snippets_folder, 1);

						$master_snippet = $app->db->queryOneRecord("SELECT * FROM directive_snippets WHERE directive_snippets_id = ? AND type = 'nginx' AND active = 'y' AND customer_viewable = 'y'", intval($folder_directive_snippets_snippets_id));
						if(isset($master_snippet['snippet'])){
							$folder_directive_snippets_trans = array('{FOLDER}' => $folder_directive_snippets_folder, '{FOLDERMD5}' => md5($folder_directive_snippets_folder));
							$master_snippet['snippet'] = strtr($master_snippet['snippet'], $folder_directive_snippets_trans);
							$nginx_directives .= "\n\n".$master_snippet['snippet'];

							// create folder it it does not exist
							if(!is_dir($data['new']['document_root'].'/' . $web_folder.$folder_directive_snippets_folder)){
								$app->system->mkdirpath($data['new']['document_root'].'/' . $web_folder.$folder_directive_snippets_folder);
								$app->system->chown($data['new']['document_root'].'/' . $web_folder.$folder_directive_snippets_folder, $username);
								$app->system->chgrp($data['new']['document_root'].'/' . $web_folder.$folder_directive_snippets_folder, $groupname);
							}
						}
					}
				}
			}
		}

		// use vLib for template logic
		if(trim($nginx_directives) != '') {
			$nginx_directives_new = '';
			$ngx_conf_tpl = new tpl();
			$ngx_conf_tpl_tmp_file = tempnam($conf['temppath'], "ngx");
			file_put_contents($ngx_conf_tpl_tmp_file, $nginx_directives);
			$ngx_conf_tpl->newTemplate($ngx_conf_tpl_tmp_file);
			$ngx_conf_tpl->setVar('use_tcp', $use_tcp);
			$ngx_conf_tpl->setVar('use_socket', $use_socket);
			$ngx_conf_tpl->setVar('fpm_socket', $fpm_socket);
			$ngx_conf_tpl->setVar($vhost_data);
			$nginx_directives_new = $ngx_conf_tpl->grab();
			if(is_file($ngx_conf_tpl_tmp_file)) unlink($ngx_conf_tpl_tmp_file);
			if($nginx_directives_new != '') $nginx_directives = $nginx_directives_new;
			unset($nginx_directives_new);
		}

		// Make sure we only have Unix linebreaks
		$nginx_directives = str_replace("\r\n", "\n", $nginx_directives);
		$nginx_directives = str_replace("\r", "\n", $nginx_directives);
		$nginx_directive_lines = explode("\n", $nginx_directives);
		if(is_array($nginx_directive_lines) && !empty($nginx_directive_lines)){
			$trans = array(
				'{DOCROOT}' => $vhost_data['web_document_root_www'],
				'{DOCROOT_CLIENT}' => $vhost_data['web_document_root'],
        '{DOMAIN}' => $vhost_data['domain'],
				'{FASTCGIPASS}' => 'fastcgi_pass '.($data['new']['php_fpm_use_socket'] == 'y'? 'unix:'.$fpm_socket : '127.0.0.1:'.$vhost_data['fpm_port']).';'
			);
			foreach($nginx_directive_lines as $nginx_directive_line){
				$final_nginx_directives[] = array('nginx_directive' => strtr($nginx_directive_line, $trans));
			}
		}
		$tpl->setLoop('nginx_directives', $final_nginx_directives);

		$app->uses('letsencrypt');
		// Check if a SSL cert exists
		$tmp = $app->letsencrypt->get_website_certificate_paths($data);
		$domain = $tmp['domain'];
		$key_file = $tmp['key'];
		$csr_file = $tmp['csr'];
		$crt_file = $tmp['crt'];
		$bundle_file = $tmp['bundle'];
		unset($tmp);

		$data['new']['ssl_domain'] = $domain;
		$vhost_data['ssl_domain'] = $domain;
		$vhost_data['ssl_crt_file'] = $crt_file;
		$vhost_data['ssl_key_file'] = $key_file;
		$vhost_data['ssl_bundle_file'] = $bundle_file;

		//* Generate Let's Encrypt SSL certificat
		if($data['new']['ssl'] == 'y' && $data['new']['ssl_letsencrypt'] == 'y' && $conf['mirror_server_id'] == 0 && ( // ssl and let's encrypt is active and no mirror server
			($data['old']['ssl'] == 'n' || $data['old']['ssl_letsencrypt'] == 'n') // we have new let's encrypt configuration
			|| ($data['old']['domain'] != $data['new']['domain']) // we have domain update
			|| ($data['old']['subdomain'] != $data['new']['subdomain']) // we have new or update on "auto" subdomain
			|| $this->update_letsencrypt == true
		)) {

			$success = $app->letsencrypt->request_certificates($data, 'nginx');
			if($success) {
				/* we don't need to store it.
				/* Update the DB of the (local) Server */
				$app->db->query("UPDATE web_domain SET ssl_request = '', ssl_cert = '', ssl_key = '' WHERE domain = ?", $data['new']['domain']);
				$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
				/* Update also the master-DB of the Server-Farm */
				$app->dbmaster->query("UPDATE web_domain SET ssl_request = '', ssl_cert = '', ssl_key = '' WHERE domain = ?", $data['new']['domain']);
				$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
			} else {
				$data['new']['ssl_letsencrypt'] = 'n';
				if($data['old']['ssl'] == 'n') $data['new']['ssl'] = 'n';
				/* Update the DB of the (local) Server */
				$app->db->query("UPDATE web_domain SET `ssl` = ?, `ssl_letsencrypt` = ? WHERE `domain` = ? AND `server_id` = ?", $data['new']['ssl'], 'n', $data['new']['domain'], $conf['server_id']);
				/* Update also the master-DB of the Server-Farm */
				$app->dbmaster->query("UPDATE web_domain SET `ssl` = ?, `ssl_letsencrypt` = ? WHERE `domain` = ?", $data['new']['ssl'], 'n', $data['new']['domain']);
			}
		}

		if($domain!='' && $data['new']['ssl'] == 'y' && @is_file($crt_file) && @is_file($key_file) && (@filesize($crt_file)>0)  && (@filesize($key_file)>0)) {
			$vhost_data['ssl_enabled'] = 1;
			$app->log('Enable SSL for: '.$domain, LOGLEVEL_DEBUG);
		} else {
			$vhost_data['ssl_enabled'] = 0;
			$app->log('SSL Disabled. '.$domain, LOGLEVEL_DEBUG);
		}

		// Set SEO Redirect
		if($data['new']['seo_redirect'] != ''){
			$vhost_data['seo_redirect_enabled'] = 1;
			$tmp_seo_redirects = $this->get_seo_redirects($data['new']);
			if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
				foreach($tmp_seo_redirects as $key => $val){
					$vhost_data[$key] = $val;
				}
			} else {
				$vhost_data['seo_redirect_enabled'] = 0;
			}
		} else {
			$vhost_data['seo_redirect_enabled'] = 0;
		}

		// Rewrite rules
		$own_rewrite_rules = array();
		$rewrite_rules = array();
		$local_rewrite_rules = array();
		if($data['new']['redirect_type'] != '' && $data['new']['redirect_path'] != '') {
			if(substr($data['new']['redirect_path'], -1) != '/') $data['new']['redirect_path'] .= '/';
			if(substr($data['new']['redirect_path'], 0, 8) == '[scheme]'){
				if($data['new']['redirect_type'] != 'proxy'){
					$data['new']['redirect_path'] = '$scheme'.substr($data['new']['redirect_path'], 8);
				} else {
					$data['new']['redirect_path'] = 'http'.substr($data['new']['redirect_path'], 8);
				}
			}

			// Custom proxy directives
			if($data['new']['redirect_type'] == 'proxy' && trim($data['new']['proxy_directives'] != '')){
				$final_proxy_directives = array();
				$proxy_directives = $data['new']['proxy_directives'];
				// Make sure we only have Unix linebreaks
				$proxy_directives = str_replace("\r\n", "\n", $proxy_directives);
				$proxy_directives = str_replace("\r", "\n", $proxy_directives);
				$proxy_directive_lines = explode("\n", $proxy_directives);
				if(is_array($proxy_directive_lines) && !empty($proxy_directive_lines)){
					foreach($proxy_directive_lines as $proxy_directive_line){
						$final_proxy_directives[] = array('proxy_directive' => $proxy_directive_line);
					}
				}
			} else {
				$final_proxy_directives = false;
			}

			switch($data['new']['subdomain']) {
			case 'www':
				$exclude_own_hostname = '';
				if(substr($data['new']['redirect_path'], 0, 1) == '/'){ // relative path
					if($data['new']['redirect_type'] == 'proxy'){
						$vhost_data['web_document_root_www_proxy'] = 'root '.$vhost_data['web_document_root_www'].';';
						$vhost_data['web_document_root_www'] .= substr($data['new']['redirect_path'], 0, -1);
						break;
					}
					$rewrite_exclude = '(?!/('.substr($data['new']['redirect_path'], 1, -1).(substr($data['new']['redirect_path'], 1, -1) != ''? '|': '').'stats'.($vhost_data['errordocs'] == 1 ? '|error' : '').'|\.well-known/acme-challenge))/';
				} else { // URL - check if URL is local
					$tmp_redirect_path = $data['new']['redirect_path'];
					if(substr($tmp_redirect_path, 0, 7) == '$scheme') $tmp_redirect_path = 'http'.substr($tmp_redirect_path, 7);
					$tmp_redirect_path_parts = parse_url($tmp_redirect_path);
					if(($tmp_redirect_path_parts['host'] == $data['new']['domain'] || $tmp_redirect_path_parts['host'] == 'www.'.$data['new']['domain']) && ($tmp_redirect_path_parts['port'] == '80' || $tmp_redirect_path_parts['port'] == '443' || !isset($tmp_redirect_path_parts['port']))){
						// URL is local
						if(substr($tmp_redirect_path_parts['path'], -1) == '/') $tmp_redirect_path_parts['path'] = substr($tmp_redirect_path_parts['path'], 0, -1);
						if(substr($tmp_redirect_path_parts['path'], 0, 1) != '/') $tmp_redirect_path_parts['path'] = '/'.$tmp_redirect_path_parts['path'];
						//$rewrite_exclude = '((?!'.$tmp_redirect_path_parts['path'].'))';
						if($data['new']['redirect_type'] == 'proxy'){
							$vhost_data['web_document_root_www_proxy'] = 'root '.$vhost_data['web_document_root_www'].';';
							$vhost_data['web_document_root_www'] .= $tmp_redirect_path_parts['path'];
							break;
						} else {
							$rewrite_exclude = '(?!/('.substr($tmp_redirect_path_parts['path'], 1).(substr($tmp_redirect_path_parts['path'], 1) != ''? '|': '').'stats'.($vhost_data['errordocs'] == 1 ? '|error' : '').'|\.well-known/acme-challenge))/';
							$exclude_own_hostname = $tmp_redirect_path_parts['host'];
						}
					} else {
						// external URL
						$rewrite_exclude = '(?!/(\.well-known/acme-challenge))/';
						if($data['new']['redirect_type'] == 'proxy'){
							$vhost_data['use_proxy'] = 'y';
							$rewrite_subdir = $tmp_redirect_path_parts['path'];
							if(substr($rewrite_subdir, 0, 1) == '/') $rewrite_subdir = substr($rewrite_subdir, 1);
							if(substr($rewrite_subdir, -1) != '/') $rewrite_subdir .= '/';
							if($rewrite_subdir == '/') $rewrite_subdir = '';
						}
					}
					unset($tmp_redirect_path);
					unset($tmp_redirect_path_parts);
				}
				$own_rewrite_rules[] = array( 'rewrite_domain'  => '^'.$this->_rewrite_quote($data['new']['domain']),
					'rewrite_type'   => ($data['new']['redirect_type'] == 'no')?'':$data['new']['redirect_type'],
					'rewrite_target'  => $data['new']['redirect_path'],
					'rewrite_exclude' => $rewrite_exclude,
					'rewrite_subdir' => $rewrite_subdir,
					'exclude_own_hostname' => $exclude_own_hostname,
					'proxy_directives' => $final_proxy_directives,
					'use_rewrite' => ($data['new']['redirect_type'] == 'proxy' ? false:true),
					'use_proxy' => ($data['new']['redirect_type'] == 'proxy' ? true:false));
				break;
			case '*':
				$exclude_own_hostname = '';
				if(substr($data['new']['redirect_path'], 0, 1) == '/'){ // relative path
					if($data['new']['redirect_type'] == 'proxy'){
						$vhost_data['web_document_root_www_proxy'] = 'root '.$vhost_data['web_document_root_www'].';';
						$vhost_data['web_document_root_www'] .= substr($data['new']['redirect_path'], 0, -1);
						break;
					}
					$rewrite_exclude = '(?!/('.substr($data['new']['redirect_path'], 1, -1).(substr($data['new']['redirect_path'], 1, -1) != ''? '|': '').'stats'.($vhost_data['errordocs'] == 1 ? '|error' : '').'|\.well-known/acme-challenge))/';
				} else { // URL - check if URL is local
					$tmp_redirect_path = $data['new']['redirect_path'];
					if(substr($tmp_redirect_path, 0, 7) == '$scheme') $tmp_redirect_path = 'http'.substr($tmp_redirect_path, 7);
					$tmp_redirect_path_parts = parse_url($tmp_redirect_path);

					//if($is_serveralias && ($tmp_redirect_path_parts['port'] == '80' || $tmp_redirect_path_parts['port'] == '443' || !isset($tmp_redirect_path_parts['port']))){
					if($this->url_is_local($tmp_redirect_path_parts['host'], $data['new']['domain_id']) && ($tmp_redirect_path_parts['port'] == '80' || $tmp_redirect_path_parts['port'] == '443' || !isset($tmp_redirect_path_parts['port']))){
						// URL is local
						if(substr($tmp_redirect_path_parts['path'], -1) == '/') $tmp_redirect_path_parts['path'] = substr($tmp_redirect_path_parts['path'], 0, -1);
						if(substr($tmp_redirect_path_parts['path'], 0, 1) != '/') $tmp_redirect_path_parts['path'] = '/'.$tmp_redirect_path_parts['path'];
						//$rewrite_exclude = '((?!'.$tmp_redirect_path_parts['path'].'))';
						if($data['new']['redirect_type'] == 'proxy'){
							$vhost_data['web_document_root_www_proxy'] = 'root '.$vhost_data['web_document_root_www'].';';
							$vhost_data['web_document_root_www'] .= $tmp_redirect_path_parts['path'];
							break;
						} else {
							$rewrite_exclude = '(?!/('.substr($tmp_redirect_path_parts['path'], 1).(substr($tmp_redirect_path_parts['path'], 1) != ''? '|': '').'stats'.($vhost_data['errordocs'] == 1 ? '|error' : '').'|\.well-known/acme-challenge))/';
							$exclude_own_hostname = $tmp_redirect_path_parts['host'];
						}
					} else {
						// external URL
						$rewrite_exclude = '(?!/(\.well-known/acme-challenge))/';
						if($data['new']['redirect_type'] == 'proxy'){
							$vhost_data['use_proxy'] = 'y';
							$rewrite_subdir = $tmp_redirect_path_parts['path'];
							if(substr($rewrite_subdir, 0, 1) == '/') $rewrite_subdir = substr($rewrite_subdir, 1);
							if(substr($rewrite_subdir, -1) != '/') $rewrite_subdir .= '/';
							if($rewrite_subdir == '/') $rewrite_subdir = '';
						}
					}
					unset($tmp_redirect_path);
					unset($tmp_redirect_path_parts);
				}
				$own_rewrite_rules[] = array( 'rewrite_domain'  => '(^|\.)'.$this->_rewrite_quote($data['new']['domain']),
					'rewrite_type'   => ($data['new']['redirect_type'] == 'no')?'':$data['new']['redirect_type'],
					'rewrite_target'  => $data['new']['redirect_path'],
					'rewrite_exclude' => $rewrite_exclude,
					'rewrite_subdir' => $rewrite_subdir,
					'exclude_own_hostname' => $exclude_own_hostname,
					'proxy_directives' => $final_proxy_directives,
					'use_rewrite' => ($data['new']['redirect_type'] == 'proxy' ? false:true),
					'use_proxy' => ($data['new']['redirect_type'] == 'proxy' ? true:false));
				break;
			default:
				if(substr($data['new']['redirect_path'], 0, 1) == '/'){ // relative path
					$exclude_own_hostname = '';
					if($data['new']['redirect_type'] == 'proxy'){
						$vhost_data['web_document_root_www_proxy'] = 'root '.$vhost_data['web_document_root_www'].';';
						$vhost_data['web_document_root_www'] .= substr($data['new']['redirect_path'], 0, -1);
						break;
					}
					$rewrite_exclude = '(?!/('.substr($data['new']['redirect_path'], 1, -1).(substr($data['new']['redirect_path'], 1, -1) != ''? '|': '').'stats'.($vhost_data['errordocs'] == 1 ? '|error' : '').'|\.well-known/acme-challenge))/';
				} else { // URL - check if URL is local
					$tmp_redirect_path = $data['new']['redirect_path'];
					if(substr($tmp_redirect_path, 0, 7) == '$scheme') $tmp_redirect_path = 'http'.substr($tmp_redirect_path, 7);
					$tmp_redirect_path_parts = parse_url($tmp_redirect_path);
					if($tmp_redirect_path_parts['host'] == $data['new']['domain'] && ($tmp_redirect_path_parts['port'] == '80' || $tmp_redirect_path_parts['port'] == '443' || !isset($tmp_redirect_path_parts['port']))){
						// URL is local
						if(substr($tmp_redirect_path_parts['path'], -1) == '/') $tmp_redirect_path_parts['path'] = substr($tmp_redirect_path_parts['path'], 0, -1);
						if(substr($tmp_redirect_path_parts['path'], 0, 1) != '/') $tmp_redirect_path_parts['path'] = '/'.$tmp_redirect_path_parts['path'];
						//$rewrite_exclude = '((?!'.$tmp_redirect_path_parts['path'].'))';
						if($data['new']['redirect_type'] == 'proxy'){
							$vhost_data['web_document_root_www_proxy'] = 'root '.$vhost_data['web_document_root_www'].';';
							$vhost_data['web_document_root_www'] .= $tmp_redirect_path_parts['path'];
							break;
						} else {
							$rewrite_exclude = '(?!/('.substr($tmp_redirect_path_parts['path'], 1).(substr($tmp_redirect_path_parts['path'], 1) != ''? '|': '').'stats'.($vhost_data['errordocs'] == 1 ? '|error' : '').'|\.well-known/acme-challenge))/';
							$exclude_own_hostname = $tmp_redirect_path_parts['host'];
						}
					} else {
						// external URL
						$rewrite_exclude = '(?!/(\.well-known/acme-challenge))/';
						if($data['new']['redirect_type'] == 'proxy'){
							$vhost_data['use_proxy'] = 'y';
							$rewrite_subdir = $tmp_redirect_path_parts['path'];
							if(substr($rewrite_subdir, 0, 1) == '/') $rewrite_subdir = substr($rewrite_subdir, 1);
							if(substr($rewrite_subdir, -1) != '/') $rewrite_subdir .= '/';
							if($rewrite_subdir == '/') $rewrite_subdir = '';
						}
					}
					unset($tmp_redirect_path);
					unset($tmp_redirect_path_parts);
				}
				$own_rewrite_rules[] = array( 'rewrite_domain'  => '^'.$this->_rewrite_quote($data['new']['domain']),
					'rewrite_type'   => ($data['new']['redirect_type'] == 'no')?'':$data['new']['redirect_type'],
					'rewrite_target'  => $data['new']['redirect_path'],
					'rewrite_exclude' => $rewrite_exclude,
					'rewrite_subdir' => $rewrite_subdir,
					'exclude_own_hostname' => $exclude_own_hostname,
					'proxy_directives' => $final_proxy_directives,
					'use_rewrite' => ($data['new']['redirect_type'] == 'proxy' ? false:true),
					'use_proxy' => ($data['new']['redirect_type'] == 'proxy' ? true:false));
			}
		}

		//proxy protocol settings
		$proxy_protocol_protocols = explode(',', $web_config['vhost_proxy_protocol_protocols']);
		$proxy_protocol_ipv4 = in_array('ipv4', $proxy_protocol_protocols);
		$proxy_protocol_ipv6 = in_array('ipv6', $proxy_protocol_protocols);
		$proxy_protocol_site = $web_config['vhost_proxy_protocol_enabled'] == 'all';
		$proxy_protocol_site |= $web_config['vhost_proxy_protocol_enabled'] == 'y' && $data['new']['proxy_protocol'] == 'y';
		$vhost_data['proxy_protocol_http'] = isset($web_config['vhost_proxy_protocol_http_port']) ? (int)$web_config['vhost_proxy_protocol_http_port'] : 0;
		$vhost_data['proxy_protocol_https'] = isset($web_config['vhost_proxy_protocol_https_port']) ? (int)$web_config['vhost_proxy_protocol_https_port'] : 0;
		$vhost_data['use_proxy_protocol'] = ($proxy_protocol_site && $proxy_protocol_ipv4) ? 'y' : 'n';
		$vhost_data['use_proxy_protocol_ipv6'] = ($proxy_protocol_site && $proxy_protocol_ipv6) ? 'y' : 'n';

		// set logging variable
		$vhost_data['logging'] = $web_config['logging'];

		// Provide TLS 1.3 support if Nginx version is >= 1.13.0 and when it was linked against OpenSSL(>=1.1.1) at build time and when it was linked against OpenSSL(>=1.1.1) at runtime.
		if($data['new']['ssl'] == 'y') {
			$nginx_openssl_build_ver = $app->system->exec_safe('nginx -V 2>&1 | grep \'built with OpenSSL\' | sed \'s/.*built\([a-zA-Z ]*\)OpenSSL \([0-9.]*\).*/\2/\'');
			$nginx_openssl_running_ver = $app->system->exec_safe('nginx -V 2>&1 | grep \'running with OpenSSL\' | sed \'s/.*running\([a-zA-Z ]*\)OpenSSL \([0-9.]*\).*/\2/\'');
			if(version_compare($app->system->getnginxversion(true), '1.13.0', '>=')
				&& version_compare($nginx_openssl_build_ver, '1.1.1', '>=')
				&& (empty($nginx_openssl_running_ver) || version_compare($nginx_openssl_running_ver, '1.1.1', '>='))) {
					$app->log('Enable TLS 1.3 for: '.$domain, LOGLEVEL_DEBUG);
					$vhost_data['tls13_supported'] = "y";
			}
		}



		// Nginx >= 1.25.1 uses a dedicated directive to enable HTTP/2 support
		if(version_compare($app->system->getnginxversion(true), '1.25.1', '<')) {
			$vhost_data['http2_directive_compat_quirk'] = " http2";
		}

		$tpl->setVar($vhost_data);

		$tpl->setVar('nginx_version', $app->system->getnginxversion());
		$tpl->setVar('nginx_full_version', $app->system->getnginxversion(true));

		$server_alias = array();

		// get autoalias
		$auto_alias = (isset($web_config['website_autoalias']))?$web_config['website_autoalias']:'';
		if($auto_alias != '') {
			// get the client username
			$client = $app->db->queryOneRecord("SELECT `username` FROM `client` WHERE `client_id` = ?", $client_id);
			$aa_search = array('[client_id]', '[website_id]', '[client_username]', '[website_domain]');
			$aa_replace = array($client_id, $data['new']['domain_id'], $client['username'], $data['new']['domain']);
			$auto_alias = str_replace($aa_search, $aa_replace, $auto_alias);
			unset($client);
			unset($aa_search);
			unset($aa_replace);
			$server_alias[] .= $auto_alias.' ';
		}

		// get alias domains (co-domains and subdomains)
		$aliases = $app->db->queryAllRecords("SELECT * FROM web_domain WHERE parent_domain_id = ? AND active = 'y' AND (type != 'vhostsubdomain' AND type != 'vhostalias')", $data['new']['domain_id']);
		$alias_seo_redirects = array();
		switch($data['new']['subdomain']) {
		case 'www':
			$server_alias[] = 'www.'.$data['new']['domain'].' ';
			break;
		case '*':
			$server_alias[] = '*.'.$data['new']['domain'].' ';
			break;
		}
		if(is_array($aliases)) {
			foreach($aliases as $alias) {

				// Custom proxy directives
				if($alias['redirect_type'] == 'proxy' && trim($alias['proxy_directives'] != '')){
					$final_proxy_directives = array();
					$proxy_directives = $alias['proxy_directives'];
					// Make sure we only have Unix linebreaks
					$proxy_directives = str_replace("\r\n", "\n", $proxy_directives);
					$proxy_directives = str_replace("\r", "\n", $proxy_directives);
					$proxy_directive_lines = explode("\n", $proxy_directives);
					if(is_array($proxy_directive_lines) && !empty($proxy_directive_lines)){
						foreach($proxy_directive_lines as $proxy_directive_line){
							$final_proxy_directives[] = array('proxy_directive' => $proxy_directive_line);
						}
					}
				} else {
					$final_proxy_directives = false;
				}

				if($alias['redirect_type'] == '' || $alias['redirect_path'] == '' || substr($alias['redirect_path'], 0, 1) == '/') {
					switch($alias['subdomain']) {
					case 'www':
						$server_alias[] = 'www.'.$alias['domain'].' '.$alias['domain'].' ';
						break;
					case '*':
						$server_alias[] = '*.'.$alias['domain'].' '.$alias['domain'].' ';
						break;
					default:
						$server_alias[] = $alias['domain'].' ';
						break;
					}
					$app->log('Add server alias: '.$alias['domain'], LOGLEVEL_DEBUG);

					// Add SEO redirects for alias domains
					if($alias['seo_redirect'] != '' && $data['new']['seo_redirect'] != '*_to_www_domain_tld' && $data['new']['seo_redirect'] != '*_to_domain_tld' && ($alias['type'] == 'alias' || ($alias['type'] == 'subdomain' && $data['new']['seo_redirect'] != '*_domain_tld_to_www_domain_tld' && $data['new']['seo_redirect'] != '*_domain_tld_to_domain_tld'))){
						$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_');
						if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
							$alias_seo_redirects[] = $tmp_seo_redirects;
						}
					}
				}

				// Local Rewriting (inside vhost server {} container)
				if($alias['redirect_type'] != '' && substr($alias['redirect_path'], 0, 1) == '/' && $alias['redirect_type'] != 'proxy') {  // proxy makes no sense with local path
					if(substr($alias['redirect_path'], -1) != '/') $alias['redirect_path'] .= '/';
					$rewrite_exclude = '(?!/('.substr($alias['redirect_path'], 1, -1).(substr($alias['redirect_path'], 1, -1) != ''? '|': '').'stats'.($vhost_data['errordocs'] == 1 ? '|error' : '').'|\.well-known/acme-challenge))/';
					switch($alias['subdomain']) {
					case 'www':
						// example.com
						$local_rewrite_rules[] = array( 'local_redirect_origin_domain'  => $alias['domain'],
							'local_redirect_operator' => '=',
							'local_redirect_exclude' => $rewrite_exclude,
							'local_redirect_target' => $alias['redirect_path'],
							'local_redirect_type' => ($alias['redirect_type'] == 'no')?'':$alias['redirect_type']);

						// www.example.com
						$local_rewrite_rules[] = array( 'local_redirect_origin_domain'  => 'www.'.$alias['domain'],
							'local_redirect_operator' => '=',
							'local_redirect_exclude' => $rewrite_exclude,
							'local_redirect_target' => $alias['redirect_path'],
							'local_redirect_type' => ($alias['redirect_type'] == 'no')?'':$alias['redirect_type']);
						break;
					case '*':
						$local_rewrite_rules[] = array( 'local_redirect_origin_domain'  => '^('.str_replace('.', '\.', $alias['domain']).'|.+\.'.str_replace('.', '\.', $alias['domain']).')$',
							'local_redirect_operator' => '~*',
							'local_redirect_exclude' => $rewrite_exclude,
							'local_redirect_target' => $alias['redirect_path'],
							'local_redirect_type' => ($alias['redirect_type'] == 'no')?'':$alias['redirect_type']);
						break;
					default:
						$local_rewrite_rules[] = array( 'local_redirect_origin_domain'  => $alias['domain'],
							'local_redirect_operator' => '=',
							'local_redirect_exclude' => $rewrite_exclude,
							'local_redirect_target' => $alias['redirect_path'],
							'local_redirect_type' => ($alias['redirect_type'] == 'no')?'':$alias['redirect_type']);
					}
				}

				// External Rewriting (extra server {} containers)
				if($alias['redirect_type'] != '' && $alias['redirect_path'] != '' && substr($alias['redirect_path'], 0, 1) != '/') {
					if(substr($alias['redirect_path'], -1) != '/') $alias['redirect_path'] .= '/';
					if(substr($alias['redirect_path'], 0, 8) == '[scheme]'){
						if($alias['redirect_type'] != 'proxy'){
							$alias['redirect_path'] = '$scheme'.substr($alias['redirect_path'], 8);
						} else {
							$alias['redirect_path'] = 'http'.substr($alias['redirect_path'], 8);
						}
					}

					switch($alias['subdomain']) {
					case 'www':
						if($alias['redirect_type'] == 'proxy'){
							$tmp_redirect_path = $alias['redirect_path'];
							$tmp_redirect_path_parts = parse_url($tmp_redirect_path);
							$rewrite_subdir = $tmp_redirect_path_parts['path'];
							if(substr($rewrite_subdir, 0, 1) == '/') $rewrite_subdir = substr($rewrite_subdir, 1);
							if(substr($rewrite_subdir, -1) != '/') $rewrite_subdir .= '/';
							if($rewrite_subdir == '/') $rewrite_subdir = '';
						}

						if($alias['redirect_type'] != 'proxy'){
							if(substr($alias['redirect_path'], -1) == '/') $alias['redirect_path'] = substr($alias['redirect_path'], 0, -1);
						}
						// Add SEO redirects for alias domains
						$alias_seo_redirects2 = array();
						if($alias['seo_redirect'] != ''){
							$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_', 'none');
							if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
								$alias_seo_redirects2[] = $tmp_seo_redirects;
							}
						}
						$rewrite_rules[] = array( 'rewrite_domain'  => $alias['domain'],
							'rewrite_type'   => ($alias['redirect_type'] == 'no')?'':$alias['redirect_type'],
							'rewrite_target'  => $alias['redirect_path'],
							'rewrite_subdir' => $rewrite_subdir,
							'proxy_directives' => $final_proxy_directives,
							'use_rewrite' => ($alias['redirect_type'] == 'proxy' ? false:true),
							'use_proxy' => ($alias['redirect_type'] == 'proxy' ? true:false),
							'alias_seo_redirects2' => (count($alias_seo_redirects2) > 0 ? $alias_seo_redirects2 : false));

						// Add SEO redirects for alias domains
						$alias_seo_redirects2 = array();
						if($alias['seo_redirect'] != ''){
							$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_', 'www');
							if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
								$alias_seo_redirects2[] = $tmp_seo_redirects;
							}
						}
						$rewrite_rules[] = array( 'rewrite_domain'  => 'www.'.$alias['domain'],
							'rewrite_type'   => ($alias['redirect_type'] == 'no')?'':$alias['redirect_type'],
							'rewrite_target'  => $alias['redirect_path'],
							'rewrite_subdir' => $rewrite_subdir,
							'proxy_directives' => $final_proxy_directives,
							'use_rewrite' => ($alias['redirect_type'] == 'proxy' ? false:true),
							'use_proxy' => ($alias['redirect_type'] == 'proxy' ? true:false),
							'alias_seo_redirects2' => (count($alias_seo_redirects2) > 0 ? $alias_seo_redirects2 : false));
						break;
					case '*':
						if($alias['redirect_type'] == 'proxy'){
							$tmp_redirect_path = $alias['redirect_path'];
							$tmp_redirect_path_parts = parse_url($tmp_redirect_path);
							$rewrite_subdir = $tmp_redirect_path_parts['path'];
							if(substr($rewrite_subdir, 0, 1) == '/') $rewrite_subdir = substr($rewrite_subdir, 1);
							if(substr($rewrite_subdir, -1) != '/') $rewrite_subdir .= '/';
							if($rewrite_subdir == '/') $rewrite_subdir = '';
						}

						if($alias['redirect_type'] != 'proxy'){
							if(substr($alias['redirect_path'], -1) == '/') $alias['redirect_path'] = substr($alias['redirect_path'], 0, -1);
						}
						// Add SEO redirects for alias domains
						$alias_seo_redirects2 = array();
						if($alias['seo_redirect'] != ''){
							$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_');
							if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
								$alias_seo_redirects2[] = $tmp_seo_redirects;
							}
						}
						$rewrite_rules[] = array( 'rewrite_domain'  => $alias['domain'].' *.'.$alias['domain'],
							'rewrite_type'   => ($alias['redirect_type'] == 'no')?'':$alias['redirect_type'],
							'rewrite_target'  => $alias['redirect_path'],
							'rewrite_subdir' => $rewrite_subdir,
							'proxy_directives' => $final_proxy_directives,
							'use_rewrite' => ($alias['redirect_type'] == 'proxy' ? false:true),
							'use_proxy' => ($alias['redirect_type'] == 'proxy' ? true:false),
							'alias_seo_redirects2' => (count($alias_seo_redirects2) > 0 ? $alias_seo_redirects2 : false));
						break;
					default:
						if($alias['redirect_type'] == 'proxy'){
							$tmp_redirect_path = $alias['redirect_path'];
							$tmp_redirect_path_parts = parse_url($tmp_redirect_path);
							$rewrite_subdir = $tmp_redirect_path_parts['path'];
							if(substr($rewrite_subdir, 0, 1) == '/') $rewrite_subdir = substr($rewrite_subdir, 1);
							if(substr($rewrite_subdir, -1) != '/') $rewrite_subdir .= '/';
							if($rewrite_subdir == '/') $rewrite_subdir = '';
						}

						if($alias['redirect_type'] != 'proxy'){
							if(substr($alias['redirect_path'], -1) == '/') $alias['redirect_path'] = substr($alias['redirect_path'], 0, -1);
						}
						if(substr($alias['domain'], 0, 2) === '*.') $domain_rule = '*.'.substr($alias['domain'], 2);
						else $domain_rule = $alias['domain'];
						// Add SEO redirects for alias domains
						$alias_seo_redirects2 = array();
						if($alias['seo_redirect'] != ''){
							if(substr($alias['domain'], 0, 2) === '*.'){
								$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_');
							} else {
								$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_', 'none');
							}
							if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
								$alias_seo_redirects2[] = $tmp_seo_redirects;
							}
						}
						$rewrite_rules[] = array( 'rewrite_domain'  => $domain_rule,
							'rewrite_type'   => ($alias['redirect_type'] == 'no')?'':$alias['redirect_type'],
							'rewrite_target'  => $alias['redirect_path'],
							'rewrite_subdir' => $rewrite_subdir,
							'proxy_directives' => $final_proxy_directives,
							'use_rewrite' => ($alias['redirect_type'] == 'proxy' ? false:true),
							'use_proxy' => ($alias['redirect_type'] == 'proxy' ? true:false),
							'alias_seo_redirects2' => (count($alias_seo_redirects2) > 0 ? $alias_seo_redirects2 : false));
					}
				}
			}
		}

		//* If we have some alias records
		if(count($server_alias) > 0) {
			$server_alias_str = '';
			$n = 0;

			foreach($server_alias as $tmp_alias) {
				$server_alias_str .= $tmp_alias;
			}
			unset($tmp_alias);

			$tpl->setVar('alias', trim($server_alias_str));
		} else {
			$tpl->setVar('alias', '');
		}

		if(count($rewrite_rules) > 0) {
			$tpl->setLoop('redirects', $rewrite_rules);
		}
		if(count($own_rewrite_rules) > 0) {
			$tpl->setLoop('own_redirects', $own_rewrite_rules);
		}
		if(count($local_rewrite_rules) > 0) {
			$tpl->setLoop('local_redirects', $local_rewrite_rules);
		}
		if(count($alias_seo_redirects) > 0) {
			$tpl->setLoop('alias_seo_redirects', $alias_seo_redirects);
		}

		$stats_web_folder = 'web';
		if($data['new']['type'] == 'vhost'){
			if($data['new']['web_folder'] != ''){
				if(substr($data['new']['web_folder'], 0, 1) == '/') $data['new']['web_folder'] = substr($data['new']['web_folder'],1);
				if(substr($data['new']['web_folder'], -1) == '/') $data['new']['web_folder'] = substr($data['new']['web_folder'],0,-1);
			}
			$stats_web_folder .= '/'.$data['new']['web_folder'];
		} elseif($data['new']['type'] == 'vhostsubdomain' || $data['new']['type'] == 'vhostalias') {
			$stats_web_folder = $data['new']['web_folder'];
		}

		//* Create basic http auth for website statistics
		$tpl->setVar('stats_auth_passwd_file', $data['new']['document_root']."/" . $stats_web_folder . "/stats/.htpasswd_stats");

		// Create basic http auth for other directories
		$basic_auth_locations = $this->_create_web_folder_auth_configuration($data['new']);
		if(is_array($basic_auth_locations) && !empty($basic_auth_locations)) $tpl->setLoop('basic_auth_locations', $basic_auth_locations);

		$vhost_file = $web_config['nginx_vhost_conf_dir'].'/'.$data['new']['domain'].'.vhost';
		//* Make a backup copy of vhost file
		if(file_exists($vhost_file)) copy($vhost_file, $vhost_file.'~');

		//* Write vhost file
		$app->system->file_put_contents($vhost_file, $this->nginx_merge_locations($tpl->grab()));
		$app->log('Writing the vhost file: '.$vhost_file, LOGLEVEL_DEBUG);
		unset($tpl);

		//* Set the symlink to enable the vhost
		//* First we check if there is a old type of symlink and remove it
		$vhost_symlink = $web_config['nginx_vhost_conf_enabled_dir'].'/'.$data['new']['domain'].'.vhost';
		if(is_link($vhost_symlink)) $app->system->unlink($vhost_symlink);

		//* Remove old or changed symlinks
		if($data['new']['subdomain'] != $data['old']['subdomain'] or $data['new']['active'] == 'n') {
			$vhost_symlink = $web_config['nginx_vhost_conf_enabled_dir'].'/900-'.$data['new']['domain'].'.vhost';
			if(is_link($vhost_symlink)) {
				$app->system->unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file, LOGLEVEL_DEBUG);
			}
			$vhost_symlink = $web_config['nginx_vhost_conf_enabled_dir'].'/100-'.$data['new']['domain'].'.vhost';
			if(is_link($vhost_symlink)) {
				$app->system->unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file, LOGLEVEL_DEBUG);
			}
		}

		//* New symlink
		if($data['new']['subdomain'] == '*') {
			$vhost_symlink = $web_config['nginx_vhost_conf_enabled_dir'].'/900-'.$data['new']['domain'].'.vhost';
		} else {
			$vhost_symlink = $web_config['nginx_vhost_conf_enabled_dir'].'/100-'.$data['new']['domain'].'.vhost';
		}
		if($data['new']['active'] == 'y' && !is_link($vhost_symlink)) {
			symlink($vhost_file, $vhost_symlink);
			$app->log('Creating symlink: '.$vhost_symlink.'->'.$vhost_file, LOGLEVEL_DEBUG);
		}

		// remove old symlink and vhost file, if domain name of the site has changed
		if($this->action == 'update' && $data['old']['domain'] != '' && $data['new']['domain'] != $data['old']['domain']) {
			$vhost_symlink = $web_config['nginx_vhost_conf_enabled_dir'].'/900-'.$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 = $web_config['nginx_vhost_conf_enabled_dir'].'/100-'.$data['old']['domain'].'.vhost';
			if(is_link($vhost_symlink)) {
				$app->system->unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file, LOGLEVEL_DEBUG);
			}
			$vhost_symlink = $web_config['nginx_vhost_conf_enabled_dir'].'/'.$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_file = $web_config['nginx_vhost_conf_dir'].'/'.$data['old']['domain'].'.vhost';
			$app->system->unlink($vhost_file);
			$app->log('Removing file: '.$vhost_file, LOGLEVEL_DEBUG);
		}

		// create password file for stats directory
		if(!is_file($data['new']['document_root'].'/' . $stats_web_folder . '/stats/.htpasswd_stats') || $data['new']['stats_password'] != $data['old']['stats_password']) {
			if(isset($data['new']['stats_password']) && !is_null($data['new']['stats_password']) && trim($data['new']['stats_password']) != '') {
				$htp_file = 'admin:'.trim($data['new']['stats_password']);
				$app->system->file_put_contents($data['new']['document_root'].'/' . $stats_web_folder . '/stats/.htpasswd_stats', $htp_file);
				$app->system->chmod($data['new']['document_root'].'/' . $stats_web_folder . '/stats/.htpasswd_stats', 0755);
				unset($htp_file);
			}
		}

		//* Create awstats configuration
		if($data['new']['stats_type'] == 'awstats' && ($data['new']['type'] == 'vhost' || $data['new']['type'] == 'vhostsubdomain' || $data['new']['type'] == 'vhostalias')) {
			$this->awstats_update($data, $web_config);
		}

                //* Create GoAccess configuration
                if($data['new']['stats_type'] == 'goaccess' && ($data['new']['type'] == 'vhost' || $data['new']['type'] == 'vhostsubdomain' || $data['new']['type'] == 'vhostalias')) {
                        $this->goaccess_update($data, $web_config);
                }

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

		//* Remove the GoAccess configuration file
		if($data['old']['stats_type'] == 'goaccess' && $data['new']['stats_type'] != 'goaccess') {
			$this->goaccess_delete($data, $web_config);
		}

                //* Remove the Webalizer configuration file
		if($data['old']['stats_type'] == 'webalizer' && $data['new']['stats_type'] != 'webalizer') {
			$this->webalizer_delete($data, $web_config);
                }

		//* Remove Stats-Folder when Statistics set to none
		if($data['new']['stats_type'] == '' && ($data['new']['type'] == 'vhost' || $data['new']['type'] == 'vhostsubdomain' || $data['new']['type'] == 'vhostalias')) {
			$app->file->removeDirectory($data['new']['document_root'].'/web/stats');
		}

		$this->php_fpm_pool_update($data, $web_config, $pool_dir, $pool_name, $socket_dir, $web_folder);
		$this->hhvm_update($data, $web_config);

		if($web_config['check_apache_config'] == 'y') {
			//* Test if nginx starts with the new configuration file
			$nginx_online_status_before_restart = $this->_checkTcp('localhost', 80);
			$app->log('nginx status is: '.($nginx_online_status_before_restart === true? 'running' : 'down'), LOGLEVEL_DEBUG);

			$retval = $app->services->restartService('httpd', 'restart'); // $retval['retval'] is 0 on success and > 0 on failure
			$app->log('nginx restart return value is: '.$retval['retval'], LOGLEVEL_DEBUG);

			// wait a few seconds, before we test the apache status again
			sleep(2);

			//* Check if nginx restarted successfully if it was online before
			$nginx_online_status_after_restart = $this->_checkTcp('localhost', 80);
			$app->log('nginx online status after restart is: '.($nginx_online_status_after_restart === true? 'running' : 'down'), LOGLEVEL_DEBUG);
			if($nginx_online_status_before_restart && !$nginx_online_status_after_restart || $retval['retval'] > 0) {
				$app->log('nginx did not restart after the configuration change for website '.$data['new']['domain'].'. Reverting the configuration. Saved non-working config as '.$vhost_file.'.err', LOGLEVEL_WARN);
				if(is_array($retval['output']) && !empty($retval['output'])){
					$app->log('Reason for nginx restart failure: '.implode("\n", $retval['output']), LOGLEVEL_WARN);
					$app->dbmaster->datalogError(implode("\n", $retval['output']));
				} else {
					// if no output is given, check again
					exec('nginx -t 2>&1', $tmp_output, $tmp_retval);
					if($tmp_retval > 0 && is_array($tmp_output) && !empty($tmp_output)){
						$app->log('Reason for nginx restart failure: '.implode("\n", $tmp_output), LOGLEVEL_WARN);
						$app->dbmaster->datalogError(implode("\n", $tmp_output));
					}
					unset($tmp_output, $tmp_retval);
				}
				$app->system->copy($vhost_file, $vhost_file.'.err');

				if(is_file($vhost_file.'~')) {
					//* Copy back the last backup file
					$app->system->copy($vhost_file.'~', $vhost_file);
				} else {
					//* There is no backup file, so we create a empty vhost file with a warning message inside
					$app->system->file_put_contents($vhost_file, "# nginx did not start after modifying this vhost file.\n# Please check file $vhost_file.err for syntax errors.");
				}

				if($this->ssl_certificate_changed === true) {

					$ssl_dir = $data['new']['document_root'].'/ssl';
					$domain = $data['new']['ssl_domain'];
					$key_file = $ssl_dir.'/'.$domain.'.key';
					$csr_file = $ssl_dir.'/'.$domain.'.csr';
					$crt_file = $ssl_dir.'/'.$domain.'.crt';
					//$bundle_file = $ssl_dir.'/'.$domain.'.bundle';

					//* Backup the files that might have caused the error
					if(is_file($key_file)){
						$app->system->copy($key_file, $key_file.'.err');
						$app->system->chmod($key_file.'.err', 0400);
					}
					if(is_file($csr_file)) $app->system->copy($csr_file, $csr_file.'.err');
					if(is_file($crt_file)) $app->system->copy($crt_file, $crt_file.'.err');
					//if(is_file($bundle_file)) $app->system->copy($bundle_file,$bundle_file.'.err');

					//* Restore the ~ backup files
					if(is_file($key_file.'~')) $app->system->copy($key_file.'~', $key_file);
					if(is_file($crt_file.'~')) $app->system->copy($crt_file.'~', $crt_file);
					if(is_file($csr_file.'~')) $app->system->copy($csr_file.'~', $csr_file);
					//if(is_file($bundle_file.'~')) $app->system->copy($bundle_file.'~',$bundle_file);

					$app->log('nginx did not restart after the configuration change for website '.$data['new']['domain'].' Reverting the SSL configuration. Saved non-working SSL files with .err extension.', LOGLEVEL_WARN);
				}

				$app->services->restartService('httpd', 'restart');
			}
		} else {
			//* We do not check the nginx config after changes (is faster)
			$app->services->restartServiceDelayed('httpd', 'reload');
		}

		//* The vhost is written and apache has been restarted, so we
		// can reset the ssl changed var to false and cleanup some files
		$this->ssl_certificate_changed = false;

		if(@is_file($key_file.'~')) $app->system->unlink($key_file.'~');
		if(@is_file($crt_file.'~')) $app->system->unlink($crt_file.'~');
		if(@is_file($csr_file.'~')) $app->system->unlink($csr_file.'~');
		//if(@is_file($bundle_file.'~')) $app->system->unlink($bundle_file.'~');

		// Remove the backup copy of the config file.
		if(@is_file($vhost_file.'~')) $app->system->unlink($vhost_file.'~');

		//* Unset action to clean it for next processed vhost.
		$this->action = '';
	}

	function delete($event_name, $data) {
		global $app, $conf;

		// load the server configuration options
		$app->uses('getconf');
		$app->uses('system');
		$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');

		if($data['old']['type'] == 'vhost' || $data['old']['type'] == 'vhostsubdomain' || $data['old']['type'] == 'vhostalias') $app->system->web_folder_protection($data['old']['document_root'], false);

		//* Check if nginx is using a chrooted setup
		if($web_config['website_basedir'] != '' && @is_file($web_config['website_basedir'].'/etc/passwd')) {
			$nginx_chrooted = true;
		} else {
			$nginx_chrooted = false;
		}

		//* Remove the mounts
		$log_folder = 'log';
		$web_folder = '';
		if($data['old']['type'] == 'vhostsubdomain' || $data['old']['type'] == 'vhostalias') {
			$tmp = $app->db->queryOneRecord('SELECT `domain`,`document_root` FROM web_domain WHERE domain_id = ?', $data['old']['parent_domain_id']);
			if($tmp['domain'] != ''){
				$subdomain_host = preg_replace('/^(.*)\.' . preg_quote($tmp['domain'], '/') . '$/', '$1', $data['old']['domain']);
			} else {
				// get log folder from /etc/fstab
				/*
				$bind_mounts = $app->system->file_get_contents('/etc/fstab');
				$bind_mount_lines = explode("\n", $bind_mounts);
				if(is_array($bind_mount_lines) && !empty($bind_mount_lines)){
					foreach($bind_mount_lines as $bind_mount_line){
						$bind_mount_line = preg_replace('/\s+/', ' ', $bind_mount_line);
						$bind_mount_parts = explode(' ', $bind_mount_line);
						if(is_array($bind_mount_parts) && !empty($bind_mount_parts)){
							if($bind_mount_parts[0] == '/var/log/ispconfig/httpd/'.$data['old']['domain'] && $bind_mount_parts[2] == 'none' && strpos($bind_mount_parts[3], 'bind') !== false){
								$subdomain_host = str_replace($data['old']['document_root'].'/log/', '', $bind_mount_parts[1]);
							}
						}
					}
				}
				*/
				// we are deleting the parent domain, so we can delete everything in the log directory
				$subdomain_hosts = array();
				$files = array_diff(scandir($data['old']['document_root'].'/'.$log_folder), array('.', '..'));
				if(is_array($files) && !empty($files)){
					foreach($files as $file){
						if(is_dir($data['old']['document_root'].'/'.$log_folder.'/'.$file)){
							$subdomain_hosts[] = $file;
						}
					}
				}
			}
			if(is_array($subdomain_hosts) && !empty($subdomain_hosts)){
				$log_folders = array();
				foreach($subdomain_hosts as $subdomain_host){
					$log_folders[] = $log_folder.'/'.$subdomain_host;
				}
			} else {
				if($subdomain_host == '') $subdomain_host = 'web'.$data['old']['domain_id'];
				$log_folder .= '/' . $subdomain_host;
			}
			$web_folder = $data['old']['web_folder'];
			unset($tmp);
			unset($subdomain_hosts);
		}

		if($data['old']['type'] == 'vhost' || $data['old']['type'] == 'vhostsubdomain' || $data['old']['type'] == 'vhostalias'){
			if(is_array($log_folders) && !empty($log_folders)){
				foreach($log_folders as $log_folder){
					$app->system->exec_safe('umount ? 2>/dev/null', $data['old']['document_root'].'/'.$log_folder);
				}
			} else {
				$app->system->exec_safe('umount ? 2>/dev/null', $data['old']['document_root'].'/'.$log_folder);
			}

			// remove letsencrypt if it exists (renew will always fail otherwise)

			$old_domain = $data['old']['domain'];
			if(substr($old_domain, 0, 2) === '*.') {
				// wildcard domain not yet supported by letsencrypt!
				$old_domain = substr($old_domain, 2);
			}
			$le_conf_file = '/etc/letsencrypt/renewal/' . $old_domain . '.conf';
			@rename('/etc/letsencrypt/renewal/' . $old_domain . '.conf', '/etc/letsencrypt/renewal/' . $old_domain . '.conf~backup');
		}

		//* remove mountpoint from fstab
		if(is_array($log_folders) && !empty($log_folders)){
			foreach($log_folders as $log_folder){
				$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$log_folder.'    none    bind';
				$app->system->removeLine('/etc/fstab', $fstab_line);
			}
		} else {
			$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$log_folder.'    none    bind';
			$app->system->removeLine('/etc/fstab', $fstab_line);
		}
		unset($log_folders);

		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';
			$this->update_letsencrypt = true;
			// just run the update function
			$this->update($event_name, $data);

		} else {
			//* This is a website
			// Deleting the vhost file, symlink and the data directory
			$vhost_file = $web_config['nginx_vhost_conf_dir'].'/'.$data['old']['domain'].'.vhost';

			$vhost_symlink = $web_config['nginx_vhost_conf_enabled_dir'].'/'.$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 = $web_config['nginx_vhost_conf_enabled_dir'].'/900-'.$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 = $web_config['nginx_vhost_conf_enabled_dir'].'/100-'.$data['old']['domain'].'.vhost';
			if(is_link($vhost_symlink)){
				$app->system->unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file, LOGLEVEL_DEBUG);
			}

			$app->system->unlink($vhost_file);
			$app->log('Removing vhost file: '.$vhost_file, LOGLEVEL_DEBUG);

			if($data['old']['type'] == 'vhost' || $data['old']['type'] == 'vhostsubdomain' || $data['old']['type'] == 'vhostalias') {
				$docroot = $data['old']['document_root'];
				if($docroot != '' && !stristr($docroot, '..')) {
					if($data['old']['type'] == 'vhost') {
						// this is a vhost - we delete everything in here.
						$app->system->exec_safe('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 and alias 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 !== '') $app->system->exec_safe('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)) {
							$app->system->set_immutable($fastcgi_starter_path, false, true);
							$app->system->exec_safe('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)) {
							$app->system->set_immutable($fcgi_starter_script, false);
							$app->system->exec_safe('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);
					$this->php_fpm_pool_delete($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)) {
							$app->system->set_immutable($cgi_starter_path, false, true);
							$app->system->exec_safe('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)) {
							$app->system->set_immutable($cgi_starter_script, false);
							$app->system->exec_safe('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);
						// delete the symlink
						if(is_link($tmp_symlink)) {
							$app->system->unlink($tmp_symlink);
							$app->log('Removing symlink: '.$tmp_symlink, LOGLEVEL_DEBUG);
						}
					}
				}
				// end removing symlinks
			}

			// Delete the log file directory
			$vhost_logfile_dir = '/var/log/ispconfig/httpd/'.$data['old']['domain'];
			if($data['old']['domain'] != '' && !stristr($vhost_logfile_dir, '..')) $app->system->exec_safe('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 ? ; userdel';
				$command .= ' ?';
				$app->system->exec_safe($command, $data['old']['system_user'], $data['old']['system_user']);
				if($nginx_chrooted) $app->system->exec_safe('chroot ? ?', $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
						$app->system->exec_safe('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->running_on_slaveserver()) $app->dbmaster->query($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) {
		return;
	}

	//* Create or update the .htaccess folder protection
	function web_folder_user($event_name, $data) {
		global $app, $conf;

		$app->uses('system');

		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);
			return false;
		}

		$web_folder = 'web';
		if($website['type'] == 'vhostsubdomain' || $website['type'] == 'vhostalias') $web_folder = $website['web_folder'];

		//* Get the folder path.
		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 = $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);
			return false;
		}

		//* 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')) {
			$app->system->touch($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) {
		global $app, $conf;

		$folder_id = $data['old']['web_folder_id'];

		$folder = $data['old'];
		$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);
			return false;
		}

		$web_folder = 'web';
		if($website['type'] == 'vhostsubdomain' || $website['type'] == 'vhostalias') $web_folder = $website['web_folder'];

		//* Get the folder path.
		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);
			return false;
		}

		//* 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) {
		global $app, $conf;

		$website = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $data['new']['parent_domain_id']);

		if(!is_array($website)) {
			$app->log('Not able to retrieve folder or website record.', LOGLEVEL_DEBUG);
			return false;
		}

		$web_folder = 'web';
		if($website['type'] == 'vhostsubdomain' || $website['type'] == 'vhostalias') $web_folder = $website['web_folder'];

		//* Get the folder path.
		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 = $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);
			return false;
		}
		if(stristr($old_folder_path, '..') || stristr($old_folder_path, './') || stristr($old_folder_path, '\\')) {
			$app->log('Folder path "'.$old_folder_path.'" contains .. or ./.', LOGLEVEL_DEBUG);
			return false;
		}

		//* 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);
			return false;
		}
		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);
			return false;
		}

		//* 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 = $web_config['nginx_vhost_conf_dir'].'/'.$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 GoAccess configuration file
	private function goaccess_update ($data, $web_config) {
		global $app;

		$web_folder = $data['new']['web_folder'];
		if($data['new']['type'] == 'vhost') $web_folder = 'web';

		$goaccess_conf_locs = array('/etc/goaccess.conf', '/etc/goaccess/goaccess.conf');
		$count = 0;

		foreach($goaccess_conf_locs as $goa_loc) {
			if(is_file($goa_loc) && (filesize($goa_loc) > 0)) {
				$goaccess_conf_main = $goa_loc;
				break;
			} else {
				$count++;
				if($count == 2) {
					$app->log("No GoAccess base config found. Make sure that GoAccess is installed and that the goaccess.conf does exist in /etc or /etc/goaccess", LOGLEVEL_WARN);
				}
			}
		}

		if(!is_dir($data['new']['document_root'] . "/log/goaccess_db")) $app->system->mkdirpath($data['new']['document_root'] . "/log/goaccess_db");
		$goaccess_conf = $data['new']['document_root'].'/log/goaccess.conf';

		/*
		In case that you use a different log format, you should use a custom goaccess.conf which you'll have to put into /usr/local/ispconfig/server/conf-custom/.
		By default the originaly with GoAccess shipped goaccess.conf from /etc/ will be used along with the log-format value COMBINED.
		*/

		if(file_exists("/usr/local/ispconfig/server/conf-custom/goaccess.conf.master")) {
			$app->system->copy("/usr/local/ispconfig/server/conf-custom/goaccess_index.php.master", $goaccess_conf);
		} elseif(!file_exists($goaccess_conf)) {
			/*
			By default the goaccess.conf should get copied by the webserver plugin but in case it wasn't, or it got deleted by accident we gonna copy it again to the destination dir.
			Also there was no /usr/local/ispconfig/server/conf-custom/goaccess.conf.master, so we gonna use /etc/goaccess.conf as the base conf.
			*/

			$app->system->copy($goaccess_conf_main, $goaccess_conf);
			$content = $app->system->file_get_contents($goaccess_conf, true);
			$content = preg_replace('/^(#)?log-format COMBINED/m', "log-format COMBINED", $content);
			$app->system->file_put_contents($goaccess_conf, $content, true);
			unset($content);
		}

		if(file_exists($goaccess_conf)) {
			$domain = $data['new']['domain'];
			$content = $app->system->file_get_contents($goaccess_conf, true);
			$content = preg_replace('/^(#)?html-report-title(.*)/m', "html-report-title $domain", $content);
			$app->system->file_put_contents($goaccess_conf, $content, true);
			unset($content);
		}

		if(is_file($goaccess_conf) && (filesize($goaccess_conf) > 0)) {
			$app->log('Created GoAccess config file: '.$goaccess_conf, LOGLEVEL_DEBUG);
		}

		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/goaccess_index.php.master")) {
			$app->system->copy("/usr/local/ispconfig/server/conf-custom/goaccess_index.php.master", $data['new']['document_root']."/" . $web_folder . "/stats/index.php");
		} else {
			$app->system->copy("/usr/local/ispconfig/server/conf/goaccess_index.php.master", $data['new']['document_root']."/" . $web_folder . "/stats/index.php");
		}
	}

	//* Delete the GoAccess configuration file
	private function goaccess_delete ($data, $web_config) {
		global $app;

		$goaccess_conf = $data['old']['document_root'] . "/log/goaccess.conf";

		if ( @is_file($goaccess_conf) ) {
			$app->system->unlink($goaccess_conf);
			$app->log('Removed GoAccess config file: '.$goaccess_conf, LOGLEVEL_DEBUG);
			}
	}

	//* Delete the Webalizer configuration file
	private function webalizer_delete ($data, $web_config) {
		global $app;

		$webalizer_conf = $data['old']['document_root'] . "/log/webalizer.conf";

		if ( @is_file($webalizer_conf) ) {
			$app->system->unlink($webalizer_conf);
			$app->log('Removed Webalizer config file: '.$webalizer_conf, LOGLEVEL_DEBUG);
		}
	}

	//* Update the awstats configuration file
	private function awstats_update ($data, $web_config) {
		global $app;

		$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');
			}

			$content = '';
			if (is_file($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";
			}
			$content .= "Include \"".$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");
		} else {
			$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) {
		global $app;

		$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');
		}
		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');
		}

		if($data['new']['php'] == 'hhvm' && $data['old']['php'] != 'hhvm' || ($data['new']['php'] == 'hhvm' && isset($data['old']['custom_php_ini']) && isset($data['new']['custom_php_ini']) && $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", $custom_php_ini_settings);
				if(@is_dir('/etc/hhvm')) file_put_contents('/etc/hhvm/'.$data['new']['system_user'].'.ini', $custom_php_ini_settings);
			} else {
				if($data['old']['system_user'] != '' && 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);
			$app->system->exec_safe('chmod +x ? >/dev/null 2>&1', '/etc/init.d/hhvm_' . $data['new']['system_user']);
			$app->system->exec_safe('/usr/sbin/update-rc.d ? defaults >/dev/null 2>&1', 'hhvm_' . $data['new']['system_user']);
			$app->system->exec_safe('/etc/init.d/hhvm_' . $data['new']['system_user'] . ' restart >/dev/null 2>&1');

			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');
			}

 		} elseif($data['new']['php'] != 'hhvm' && $data['old']['php'] == 'hhvm') {
			if($data['old']['system_user'] != ''){
				exec('/etc/init.d/hhvm_' . $data['old']['system_user'] . ' stop >/dev/null 2>&1');
				$app->system->exec_safe('/usr/sbin/update-rc.d remove >/dev/null 2>&1', 'hhvm_' . $data['old']['system_user']);
				unlink('/etc/init.d/hhvm_' . $data['old']['system_user']);
				if(is_file('/etc/hhvm/'.$data['old']['system_user'].'.ini')) unlink('/etc/hhvm/'.$data['old']['system_user'].'.ini');
			}

			if(is_file('/etc/monit/conf.d/hhvm_' . $data['old']['system_user']) || is_file('/etc/monit/conf.d/00-hhvm_' . $data['old']['system_user'])){
				if(is_file('/etc/monit/conf.d/hhvm_' . $data['old']['system_user'])){
					unlink('/etc/monit/conf.d/hhvm_' . $data['old']['system_user']);
				}
				if(is_file('/etc/monit/conf.d/00-hhvm_' . $data['old']['system_user'])){
					unlink('/etc/monit/conf.d/00-hhvm_' . $data['old']['system_user']);
				}
				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, $web_folder = null) {
		global $app, $conf;
		$pool_dir = trim($pool_dir);

		// HHVM => PHP-FPM-Fallback
		$default_php_fpm = true;

		if($data['new']['php'] == 'php-fpm' || $data['new']['php'] == 'hhvm'){
			if($data['new']['server_php_id'] != 0){
				$tmp_php = $app->db->queryOneRecord('SELECT * FROM server_php WHERE server_php_id = ?', $data['new']['server_php_id']);
				if($tmp_php) {
					$default_php_fpm = false;
					$custom_php_fpm_ini_dir = $tmp_php['php_fpm_ini_dir'];
					$custom_php_fpm_init_script = $tmp_php['php_fpm_init_script'];
					$custom_php_fpm_pool_dir = $tmp_php['php_fpm_pool_dir'];
					if(substr($custom_php_fpm_ini_dir, -1) != '/') $custom_php_fpm_ini_dir .= '/';
				}
			}
		} else {
			if($data['old']['server_php_id'] != 0 && $data['old']['php'] != 'no'){
				$tmp_php = $app->db->queryOneRecord('SELECT * FROM server_php WHERE server_php_id = ?', $data['old']['server_php_id']);
				if($tmp_php) {
					$default_php_fpm = false;
					$custom_php_fpm_ini_dir = $tmp_php['php_fpm_ini_dir'];
					$custom_php_fpm_init_script = $tmp_php['php_fpm_init_script'];
					$custom_php_fpm_pool_dir = $tmp_php['php_fpm_pool_dir'];
					if(substr($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');
		$php_fpm_reload_mode = ($web_config['php_fpm_reload_mode'] == 'reload')?'reload':'restart';

		// HHVM => PHP-FPM-Fallback
		if($data['new']['php'] != 'php-fpm' && $data['new']['php'] != 'hhvm'){
			if(@is_file($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', $php_fpm_reload_mode.':'.$custom_php_fpm_init_script);
				} else {
					$app->services->restartService('php-fpm', $php_fpm_reload_mode.':'.$conf['init_scripts'].'/'.$web_config['php_fpm_init_script']);
				}
			}
			return;
		}

		$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']);

		// RH workaround here
		if($app->system->is_redhat_os() == true) {
			$tpl->setVar('fpm_group', $data['new']['system_group']);
			$tpl->setVar('fpm_listen_group', $data['new']['system_group']);
		} else {
			//OS seems to be not Red Hat'ish
			$tpl->setVar('fpm_group', $data['new']['system_group']);
			$tpl->setVar('fpm_listen_group', $web_config['group']);
		}

		$tpl->setVar('fpm_listen_user', $data['new']['system_user']);
		$tpl->setVar('fpm_domain', $data['new']['domain']);
		$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'] == '')?$data['new']['document_root']:$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', ';');
		}

		// Chrooted PHP-FPM
		if ($data['new']['php_fpm_chroot'] === 'y') {
			$tpl->setVar('php_fpm_chroot', $data['new']['php_fpm_chroot']);
			$tpl->setVar('php_fpm_chroot_dir', $data['new']['document_root']);
			$tpl->setVar('php_fpm_chroot_web_folder', sprintf('/%s', trim($web_folder, '/')));
			$tpl->setVar('php_open_basedir', str_replace($tpl->getVar('document_root'), '', $tpl->getVar('php_open_basedir')));
			$tpl->setVar('document_root', '');
		}

		// Custom php.ini settings
		$final_php_ini_settings = array();
		$custom_php_ini_settings = (isset($data['new']['custom_php_ini']) && !is_null($data['new']['custom_php_ini'])) ? trim($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'];
							}
						}
					}
				}
			}
		}

		$custom_session_save_path = false;
		$custom_sendmail_path = false;
		if($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)){
				$ini_settings = str_replace('{WEBROOT}', $data['new']['document_root'].'/web', $ini_settings);
				foreach($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);
					$value = trim($value);
					if($value != ''){
						$key = trim($key);
						if($key == 'session.save_path') $custom_session_save_path = true;
						if($key == 'sendmail_path') $custom_sendmail_path = true;
						switch (strtolower($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);
						}
					}
				}
			}
		}

		$tpl->setVar('custom_session_save_path', ($custom_session_save_path ? 'y' : 'n'));
		$tpl->setVar('custom_sendmail_path', ($custom_sendmail_path ? 'y' : 'n'));

		$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.$pool_name.'.conf', LOGLEVEL_DEBUG);
		unset($tpl);

		// delete pool in all other PHP versions
		$default_pool_dir = trim($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', $php_fpm_reload_mode.':'.$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){
				$php_version['php_fpm_pool_dir'] = trim($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', $php_fpm_reload_mode.':'.$php_version['php_fpm_init_script']);
					}
				}
			}
		}
		// Reload current PHP-FPM after all others
		sleep(1);
		if(!$default_php_fpm){
			$app->services->restartService('php-fpm', $php_fpm_reload_mode.':'.$custom_php_fpm_init_script);
		} else {
			$app->services->restartService('php-fpm', $php_fpm_reload_mode.':'.$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) {
		global $app, $conf;

		$default_php_fpm = true;

		if($data['old']['server_php_id'] != 0 && $data['old']['php'] != 'no'){
			$tmp_php = $app->db->queryOneRecord('SELECT * FROM server_php WHERE server_php_id = ?', $data['old']['server_php_id']);
			if($tmp_php) {
				$default_php_fpm = false;
				$custom_php_fpm_ini_dir = $tmp_php['php_fpm_ini_dir'];
				$custom_php_fpm_init_script = $tmp_php['php_fpm_init_script'];
				$custom_php_fpm_pool_dir = $tmp_php['php_fpm_pool_dir'];
				if(substr($custom_php_fpm_ini_dir, -1) != '/') $custom_php_fpm_ini_dir .= '/';
			}
		}

		if($default_php_fpm){
			$pool_dir = $web_config['php_fpm_pool_dir'];
		} else {
			$pool_dir = $custom_php_fpm_pool_dir;
		}
		$pool_dir = trim($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
		$default_pool_dir = trim($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', $php_fpm_reload_mode.':'.$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){
				$php_version['php_fpm_pool_dir'] = trim($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', $php_fpm_reload_mode.':'.$php_version['php_fpm_init_script']);
					}
				}
			}
		}

		// Reload current PHP-FPM after all others
		sleep(1);
		if(!$default_php_fpm){
			$app->services->restartService('php-fpm', $php_fpm_reload_mode.':'.$custom_php_fpm_init_script);
		} else {
			$app->services->restartService('php-fpm', $php_fpm_reload_mode.':'.$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) {
		global $app, $conf;

        if(preg_match('/##subroot (.+?)\s*##/', $vhost_conf, $subroot)) {
            if(!preg_match('/^(?:[a-z0-9\/_-]|\.(?!\.))+$/iD', $subroot[1])) {
                $app->log('Token ##subroot is unsecure (server ID: '.$conf['server_id'].').', LOGLEVEL_WARN);
            } else {
                $insert_pos = strpos($vhost_conf, ';', strpos($vhost_conf, 'root '));
                $vhost_conf = substr_replace($vhost_conf, ltrim($subroot[1], '/'), $insert_pos, 0);
            }
        }

		$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) == '#'){
					unset($lines[$h]);
					continue;
				}

				$lines[$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){

					$islocation = true;
					$level = 0;

					// 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]);

				} else {

					if($islocation){
						$openingbracketpos = strrpos($l, '{');
						if($openingbracketpos !== false){
							$level += 1;
						}
						$closingbracketpos = strrpos($l, '}');
						if($closingbracketpos !== false && $level > 0 && $closingbracketpos >= intval($openingbracketpos)){
							$level -= 1;
							$locations[$location]['location'] .= $lines[$i]."\n";
						} elseif($closingbracketpos !== false && $level == 0 && $closingbracketpos >= intval($openingbracketpos)){
							$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);
		}

		return trim($vhost_conf);
	}

	function client_delete($event_name, $data) {
		global $app, $conf;

		$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);
						}
					}
				}

				@rmdir($client_dir);
				$app->log('Removed client directory: '.$client_dir, LOGLEVEL_DEBUG);
			}

			if($app->system->is_group('client'.$client_id)){
				$app->system->exec_safe('groupdel ?', 'client'.$client_id);
				$app->log('Removed group client'.$client_id, LOGLEVEL_DEBUG);
			}
		}

	}

	private function _checkTcp ($host, $port) {

		$fp = @fsockopen($host, $port, $errno, $errstr, 2);

		if ($fp) {
			fclose($fp);
			return true;
		} else {
			return false;
		}
	}

	private function _rewrite_quote($string) {
		return str_replace(array('.', '*', '?', '+'), array('\\.', '\\*', '\\?', '\\+'), $string);
	}

	private function url_is_local($hostname, $domain_id){
		global $app;

		// ORDER BY clause makes sure wildcard subdomains (*) are listed last in the result array so that we can find direct matches first
		$webs = $app->db->queryAllRecords("SELECT * FROM web_domain WHERE active = 'y' ORDER BY subdomain ASC");
		if(is_array($webs) && !empty($webs)){
			foreach($webs as $web){
				// web domain doesn't match hostname
				if(substr($hostname, -strlen($web['domain'])) != $web['domain']) continue;
				// own vhost and therefore server {} container of its own
				//if($web['type'] == 'vhostsubdomain' || $web['type'] == 'vhostalias') continue;
				// alias domains/subdomains using rewrites and therefore a server {} container of their own
				//if(($web['type'] == 'alias' || $web['type'] == 'subdomain') && $web['redirect_type'] != '' && $web['redirect_path'] != '') continue;

				if($web['subdomain'] == '*'){
					$pattern = '/\.?'.str_replace('.', '\.', $web['domain']).'$/i';
				}
				if($web['subdomain'] == 'none'){
					if($web['domain'] == $hostname){
						if($web['domain_id'] == $domain_id || $web['parent_domain_id'] == $domain_id){
							// own vhost and therefore server {} container of its own
							if($web['type'] == 'vhostsubdomain' || $web['type'] == 'vhostalias') return false;
							// alias domains/subdomains using rewrites and therefore a server {} container of their own
							if(($web['type'] == 'alias' || $web['type'] == 'subdomain') && $web['redirect_type'] != '' && $web['redirect_path'] != '') return false;
							return true;
						} else {
							return false;
						}
					}
					$pattern = '/^'.str_replace('.', '\.', $web['domain']).'$/i';
				}
				if($web['subdomain'] == 'www'){
					if($web['domain'] == $hostname || $web['subdomain'].'.'.$web['domain'] == $hostname){
						if($web['domain_id'] == $domain_id || $web['parent_domain_id'] == $domain_id){
							// own vhost and therefore server {} container of its own
							if($web['type'] == 'vhostsubdomain' || $web['type'] == 'vhostalias') return false;
							// alias domains/subdomains using rewrites and therefore a server {} container of their own
							if(($web['type'] == 'alias' || $web['type'] == 'subdomain') && $web['redirect_type'] != '' && $web['redirect_path'] != '') return false;
							return true;
						} else {
							return false;
						}
					}
					$pattern = '/^(www\.)?'.str_replace('.', '\.', $web['domain']).'$/i';
				}
				if(preg_match($pattern, $hostname)){
					if($web['domain_id'] == $domain_id || $web['parent_domain_id'] == $domain_id){
						// own vhost and therefore server {} container of its own
						if($web['type'] == 'vhostsubdomain' || $web['type'] == 'vhostalias') return false;
						// alias domains/subdomains using rewrites and therefore a server {} container of their own
						if(($web['type'] == 'alias' || $web['type'] == 'subdomain') && $web['redirect_type'] != '' && $web['redirect_path'] != '') return false;
						return true;
					} else {
						return false;
					}
				}
			}
		}

		return false;
	}

	private function get_seo_redirects($web, $prefix = '', $force_subdomain = false){
		// $force_subdomain = 'none|www'
		$seo_redirects = array();

		if(substr($web['domain'], 0, 2) === '*.') $web['subdomain'] = '*';

		if(($web['subdomain'] == 'www' || $web['subdomain'] == '*') && $force_subdomain != 'www'){
			if($web['seo_redirect'] == 'non_www_to_www'){
				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = $web['domain'];
				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
				$seo_redirects[$prefix.'seo_redirect_operator'] = '=';
			}
			if($web['seo_redirect'] == '*_domain_tld_to_www_domain_tld'){
				// ^(example\.com|(?!\bwww\b)\.example\.com)$
				// ^(example\.com|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.example\.com))$
				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = '^('.str_replace('.', '\.', $web['domain']).'|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.'.str_replace('.', '\.', $web['domain']).'))$';
				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
				$seo_redirects[$prefix.'seo_redirect_operator'] = '~*';
			}
			if($web['seo_redirect'] == '*_to_www_domain_tld'){
				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = 'www.'.$web['domain'];
				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
				$seo_redirects[$prefix.'seo_redirect_operator'] = '!=';
			}
		}
		if($force_subdomain != 'none'){
			if($web['seo_redirect'] == 'www_to_non_www'){
				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = 'www.'.$web['domain'];
				$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
				$seo_redirects[$prefix.'seo_redirect_operator'] = '=';
			}
			if($web['seo_redirect'] == '*_domain_tld_to_domain_tld'){
				// ^(.+)\.example\.com$
				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = '^(.+)\.'.str_replace('.', '\.', $web['domain']).'$';
				$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
				$seo_redirects[$prefix.'seo_redirect_operator'] = '~*';
			}
			if($web['seo_redirect'] == '*_to_domain_tld'){
				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = $web['domain'];
				$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
				$seo_redirects[$prefix.'seo_redirect_operator'] = '!=';
			}
		}
		return $seo_redirects;
	}

	function _setup_jailkit_chroot()
	{
		global $app, $conf;

		$app->uses('system');

		if (isset($this->jailkit_config) && isset($this->jailkit_config['jailkit_hardlinks'])) {
			if ($this->jailkit_config['jailkit_hardlinks'] == 'yes') {
				$options = array('hardlink');
			} elseif ($this->jailkit_config['jailkit_hardlinks'] == 'no') {
				$options = array();
			}
		} else {
			$options = array('allow_hardlink');
		}

		// should move return here if $this->website['new_jailkit_hash'] == $this->website['last_jailkit_hash'] ?

		// check if the chroot environment is created yet if not create it with a list of program sections from the config
		if (!is_dir($this->website['document_root'].'/etc/jailkit'))
		{
			$app->system->create_jailkit_chroot($this->website['document_root'], $this->jailkit_config['jailkit_chroot_app_sections'], $options);
			$app->log("Added jailkit chroot", LOGLEVEL_DEBUG);

			$this->_add_jailkit_programs($options);

			$app->load('tpl');

			$tpl = new tpl();
			$tpl->newTemplate("bash.bashrc.master");

			$tpl->setVar('jailkit_chroot', true);
			$tpl->setVar('domain', $this->website['domain']);
			$tpl->setVar('home_dir', $this->_get_home_dir(""));

			$bashrc = $this->website['document_root'].'/etc/bash.bashrc';
			if(@is_file($bashrc) || @is_link($bashrc)) unlink($bashrc);

			file_put_contents($bashrc, $tpl->grab());
			unset($tpl);

			$app->log("Added bashrc script: ".$bashrc, LOGLEVEL_DEBUG);

			$tpl = new tpl();
			$tpl->newTemplate("motd.master");

			$tpl->setVar('domain', $this->website['domain']);

			$motd = $this->website['document_root'].'/var/run/motd';
			if(@is_file($motd) || @is_link($motd)) unlink($motd);

			$app->system->file_put_contents($motd, $tpl->grab());

		} else {
			// force update existing jails
			$options[] = 'force';

			$sections = $this->jailkit_config['jailkit_chroot_app_sections'];
			$programs = $this->jailkit_config['jailkit_chroot_app_programs'] . ' '
				  . $this->jailkit_config['jailkit_chroot_cron_programs'];

			if ($this->website['new_jailkit_hash'] == $this->website['last_jailkit_hash']) {
				return;
			}

			$records = $app->db->queryAllRecords('SELECT web_folder FROM `web_domain` WHERE `parent_domain_id` = ? AND `document_root` = ? AND web_folder != \'\' AND web_folder IS NOT NULL AND `server_id` = ?', $this->website['domain_id'], $this->website['document_root'], $conf['server_id']);
			foreach ($records as $record) {
				$options[] = 'skip='.$record['web_folder'];
			}

			$app->system->update_jailkit_chroot($this->website['document_root'], $sections, $programs, $options);
		}

		// this gets last_jailkit_update out of sync with master db, but that is ok,
		// as it is only used as a timestamp to moderate the frequency of updating on the slaves
		$app->db->query("UPDATE `web_domain` SET `last_jailkit_update` = NOW(), `last_jailkit_hash` = ? WHERE `document_root` = ?", $this->website['new_jailkit_hash'], $this->website['document_root']);
	}

	function _add_jailkit_programs($opts=array())
	{
		global $app;

		$app->uses('system');

		//copy over further programs and its libraries
		$app->system->create_jailkit_programs($this->website['document_root'], $this->jailkit_config['jailkit_chroot_app_programs'], $opts);
		$app->log("Added app programs to jailkit chroot", LOGLEVEL_DEBUG);

		$app->system->create_jailkit_programs($this->website['document_root'], $this->jailkit_config['jailkit_chroot_cron_programs'], $opts);
		$app->log("Added cron programs to jailkit chroot", LOGLEVEL_DEBUG);
	}

	function _get_home_dir($username)
	{
		return str_replace("[username]", $username, $this->jailkit_config['jailkit_chroot_home']);
	}

	function _add_jailkit_user()
	{
		global $app;

		// add the user to the chroot
		$jailkit_chroot_userhome = $this->_get_home_dir($this->website['system_user']);

		if(!is_dir($this->website['document_root'].'/etc')) $app->system->mkdir($this->website['document_root'].'/etc', 0755, true);
		if(!is_file($this->website['document_root'].'/etc/passwd')) $app->system->exec_safe('touch ?', $this->website['document_root'].'/etc/passwd');

		// IMPORTANT!
		// ALWAYS create the user. Even if the user was created before
		// if we check if the user exists, then a update (no shell -> jailkit) will not work
		// and the user has FULL ACCESS to the root of the server!
		$app->system->create_jailkit_user($this->website['system_user'], $this->website['document_root'], $jailkit_chroot_userhome);

		if(!is_dir($this->website['document_root'].$jailkit_chroot_userhome)) {
			$app->system->mkdir($this->website['document_root'].$jailkit_chroot_userhome, 0750, true);
			$app->system->chown($this->website['document_root'].$jailkit_chroot_userhome, $this->website['system_user']);
			$app->system->chgrp($this->website['document_root'].$jailkit_chroot_userhome, $this->website['system_group']);
		}
		$app->log("Added created jailkit user home in : ".$this->website['document_root'].$jailkit_chroot_userhome, LOGLEVEL_DEBUG);
	}

	private function _delete_jailkit_if_unused($parent_domain_id) {
		global $app, $conf;

		// get jail directory
		$parent_domain = $app->db->queryOneRecord("SELECT * FROM `web_domain` WHERE `domain_id` = ? OR `parent_domain_id` = ? AND `document_root` IS NOT NULL", $parent_domain_id, $parent_domain_id);
		if (!is_dir($parent_domain['document_root'])) {
			return;
		}

		// chroot is used by php-fpm
		if (isset($parent_domain['php_fpm_chroot']) && $parent_domain['php_fpm_chroot'] == 'y' && $parent_domain['php'] != 'no') {
			return;
		}

		// check for any shell_user using this jail
		$inuse = $app->db->queryOneRecord('SELECT shell_user_id FROM `shell_user` WHERE `parent_domain_id` = ? AND `chroot` = ?', $parent_domain_id, 'jailkit');
		if($inuse) {
			return;
		}

		// check for any cron job using this jail
		$inuse = $app->db->queryOneRecord('SELECT id FROM `cron` WHERE `parent_domain_id` = ? AND `type` = ?', $parent_domain_id, 'chrooted');
		if($inuse) {
			return;
		}

		$options = array();
		$records = $app->db->queryAllRecords('SELECT web_folder FROM `web_domain` WHERE `parent_domain_id` = ? AND `document_root` = ? AND web_folder != \'\' AND web_folder IS NOT NULL AND `server_id` = ?', $parent_domain_id, $parent_domain['document_root'], $conf['server_id']);
		foreach ($records as $record) {
			$options[] = 'skip='.$record['web_folder'];
		}

		$app->system->delete_jailkit_chroot($parent_domain['document_root'], $options);

		// this gets last_jailkit_update out of sync with master db, but that is ok,
		// as it is only used as a timestamp to moderate the frequency of updating on the slaves
		$app->db->query("UPDATE `web_domain` SET `last_jailkit_update` = NOW(), `last_jailkit_hash` = NULL WHERE `document_root` = ?", $parent_domain['document_root']);
	}

} // end class

?>