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<?php

/*
Copyright (c) 2018, 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 plugin_webserver_base {
	
	public function registerEvents($server_type = 'apache') {
		global $app;
		
		$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('server_insert', $this->plugin_name, 'server_ip');
		$app->plugins->registerEvent('server_update', $this->plugin_name, 'server_ip');

		$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');

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

		$app->plugins->registerAction('php_ini_changed', $this->plugin_name, 'php_ini_changed');
		
		if($server_type === 'apache') {
			$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');
		}
	}
	
	private function get_master_php_ini_content($web_data) {
		global $app, $conf;
		
		$app->uses('getconf');
		$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');
		$fastcgi_config = $app->getconf->get_server_config($conf['server_id'], 'fastcgi');
		
		$php_ini_content = '';
		$master_php_ini_path = '';
		
		if($web_data['php'] == 'mod') {
			$master_php_ini_path = $web_config['php_ini_path_apache'];
		} else {
			// check for custom php
			if($web_data['fastcgi_php_version'] != '') {
				$tmp = explode(':', $web_data['fastcgi_php_version']);
				if(isset($tmp[2])) {
					$tmppath = $tmp[2];
					if(substr($tmppath, -7) != 'php.ini') {
						if(substr($tmppath, -1) != '/') $tmppath .= '/';
						$tmppath .= 'php.ini';
					}
					if(file_exists($tmppath)) {
						$master_php_ini_path = $tmppath;
					}
					unset($tmppath);
				}
				unset($tmp);
			}

			if(!$master_php_ini_path) {
				if($web_data['php'] == 'fast-cgi' && file_exists($fastcgi_config["fastcgi_phpini_path"])) {
					$master_php_ini_path = $fastcgi_config["fastcgi_phpini_path"];
				} elseif($web_data['php'] == 'php-fpm' && file_exists($web_config['php_fpm_ini_path'])) {
					$master_php_ini_path = $fastcgi_config["fastcgi_phpini_path"];
				} else {
					$master_php_ini_path = $web_config['php_ini_path_cgi'];
				}
			}
		}
		
		// Resolve inconsistant path settings
		if($master_php_ini_path != '' && is_dir($master_php_ini_path) && is_file($master_php_ini_path.'/php.ini')) {
			$master_php_ini_path .= '/php.ini';
		}

		// Load the custom php.ini content
		if($master_php_ini_path != '' && substr($master_php_ini_path, -7) == 'php.ini' && is_file($master_php_ini_path)) {
			$php_ini_content .= $app->system->file_get_contents($master_php_ini_path)."\n";
		}
		
		return $php_ini_content;
	}

	// Handle php.ini changes
	/* TODO: change to be compatible to nginx, too */
	public function eventPhpIniChanged($event_name, $data, $server_type = 'apache') {
		global $app, $conf;

		if($server_type === 'nginx') {
			// not yet implemented
			return;
		}
		
		$app->uses('getconf');
		$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');

		/* $data contains an array with these keys:
         * file -> full path of changed php_ini
         * mode -> web_domain php modes to change (mod, fast-cgi, php-fpm or '' for all except 'mod')
         * php_version -> php ini path that changed (additional php versions)
         */

		$param = '';
		$qrystr = "SELECT * FROM web_domain WHERE custom_php_ini != ''";
		if($data['mode'] == 'mod') {
			$qrystr .= " AND php = 'mod'";
		} elseif($data['mode'] == 'fast-cgi') {
			$qrystr .= " AND php = 'fast-cgi'";
			if($data['php_version']) {
				$qrystr .= " AND fastcgi_php_version LIKE ?";
				$param = '%:' . $data['php_version'];
			}
		} elseif($data['mode'] == 'php-fpm') {
			$qrystr .= " AND php = 'php-fpm'";
			if($data['php_version']) {
				$qrystr .= " AND fastcgi_php_version LIKE ?";
				$param = '%:' . $data['php_version'] . ':%';
			}
		} else {
			$qrystr .= " AND php != 'mod' AND php != 'fast-cgi'";
		}


		//** Get all the webs
		$web_domains = $app->db->queryAllRecords($qrystr, $param);
		foreach($web_domains as $web_data) {
			$custom_php_ini_dir = $web_config['website_basedir'].'/conf/'.$web_data['system_user'];
			$web_folder = 'web';
			if($web_data['type'] == 'vhostsubdomain' || $web_data['type'] == 'vhostalias') {
				$web_folder = $web_data['web_folder'];
				$custom_php_ini_dir .= '_' . $web_folder;
			}
			if(!is_dir($web_config['website_basedir'].'/conf')) $app->system->mkdir($web_config['website_basedir'].'/conf');
			
			if(!is_dir($custom_php_ini_dir)) $app->system->mkdir($custom_php_ini_dir);
			
			$php_ini_content = $this->get_master_php_ini_content($web_data);
			
			if(intval($web_data['directive_snippets_id']) > 0){
				$snippet = $app->db->queryOneRecord("SELECT * FROM directive_snippets WHERE directive_snippets_id = ? AND type = 'apache' AND active = 'y' AND customer_viewable = 'y'", intval($web_data['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'] != ''){
									$web_data['custom_php_ini'] .= "\n".$php_snippet['snippet'];
								}
							}
						}
					}
				}
			}
		
			$php_ini_content .= str_replace("\r", '', trim($web_data['custom_php_ini']));
			$app->system->file_put_contents($custom_php_ini_dir.'/php.ini', $php_ini_content);
			$app->log('Info: rewrote custom php.ini for web ' . $web_data['domain_id'] . ' (' . $web_data['domain'] . ').', LOGLEVEL_DEBUG);
		}

		if(count($web_domains) > 0) {
			//* We do not check the apache config here - we only changed the php.ini
			//* Check if this is a chrooted setup
			if($web_config['website_basedir'] != '' && @is_file($web_config['website_basedir'].'/etc/passwd')) {
				$is_chrooted = true;
				$app->log('Info: Apache is chrooted.', LOGLEVEL_DEBUG);
			} else {
				$is_chrooted = false;
			}

			$app->log('Info: rewrote all php.ini and reloading apache now.', LOGLEVEL_DEBUG);
			if($is_chrooted) {
				$app->services->restartServiceDelayed('httpd', 'restart');
			} else {
				// request a httpd reload when all records have been processed
				$app->services->restartServiceDelayed('httpd', 'reload');
			}
		} else {
			$app->log('Info: No webs affected by php.ini change.', LOGLEVEL_DEBUG);
		}
	}
	
	// Handle the creation of SSL certificates
	public function eventSsl($event_name, $data, $server_type = 'apache') {
		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 ($web_config['CA_path']!='' && !file_exists($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($data['new']['document_root'].'/ssl')) exec('mkdir -p '.$data['new']['document_root'].'/ssl');
		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';
		$key_file2 = $ssl_dir.'/'.$domain.'.key.org';
		$csr_file = $ssl_dir.'/'.$domain.'.csr';
		$crt_file = $ssl_dir.'/'.$domain.'.crt';
		$bundle_file = $ssl_dir.'/'.$domain.'.bundle';

		//* 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($key_file2)){
				$app->system->rename($key_file2, $key_file2.'.bak');
				$app->system->chmod($key_file2.'.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';
			$rand_data = md5(uniqid(microtime(), 1));
			for($i=0; $i<1000; $i++) {
				$rand_data .= md5(uniqid(microtime(), 1));
				$rand_data .= md5(uniqid(microtime(), 1));
				$rand_data .= md5(uniqid(microtime(), 1));
				$rand_data .= md5(uniqid(microtime(), 1));
			}
			$app->system->file_put_contents($rand_file, $rand_data);

			$ssl_password = substr(md5(uniqid(microtime(), 1)), 0, 15);

			$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";

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

			$rand_file = escapeshellcmd($rand_file);
			$key_file2 = escapeshellcmd($key_file2);
			$openssl_cmd_key_file2 = $key_file2;
			if(substr($domain, 0, 2) == '*.' && strpos($key_file2, '/ssl/\*.') !== false) $key_file2 = str_replace('/ssl/\*.', '/ssl/*.', $key_file2); // wildcard certificate
			$key_file = escapeshellcmd($key_file);
			$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;
			$csr_file = escapeshellcmd($csr_file);
			$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
			$config_file = escapeshellcmd($ssl_cnf_file);
			$crt_file = escapeshellcmd($crt_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)) {

				exec("openssl genrsa -des3 -rand $rand_file -passout pass:$ssl_password -out $openssl_cmd_key_file2 2048");
				exec("openssl req -new -sha256 -passin pass:$ssl_password -passout pass:$ssl_password -key $openssl_cmd_key_file2 -out $openssl_cmd_csr_file -days $ssl_days -config $config_file");
				exec("openssl rsa -passin pass:$ssl_password -in $openssl_cmd_key_file2 -out $openssl_cmd_key_file");

				if(file_exists($web_config['CA_path'].'/openssl.cnf'))
				{
					exec("openssl ca -batch -out $openssl_cmd_crt_file -config ".$web_config['CA_path']."/openssl.cnf -passin pass:".$web_config['CA_pass']." -in $openssl_cmd_csr_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 $openssl_cmd_csr_file", LOGLEVEL_ERROR);
				}
				if (@filesize($crt_file)==0 || !file_exists($crt_file)){
					exec("openssl req -x509 -passin pass:$ssl_password -passout pass:$ssl_password -key $openssl_cmd_key_file2 -in $openssl_cmd_csr_file -out $openssl_cmd_crt_file -days $ssl_days -config $config_file ");
					$app->log("Creating self-signed SSL Cert for: $domain", LOGLEVEL_DEBUG);
				}

			}

			$app->system->chmod($key_file2, 0400);
			$app->system->chmod($key_file, 0400);
			@$app->system->unlink($config_file);
			@$app->system->unlink($rand_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();
			$crt_data = '';
			exec('openssl x509 -noout -text -in '.escapeshellarg($crt_file),$tmp);
			$crt_data = implode("\n",$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($key_file2)){
				$app->system->copy($key_file2, $key_file2.'~');
				$app->system->chmod($key_file2.'~', 0400);
			}
			if(file_exists($csr_file)) $app->system->copy($csr_file, $csr_file.'~');
			if(file_exists($crt_file)) $app->system->copy($crt_file, $crt_file.'~');
			if(file_exists($bundle_file)) $app->system->copy($bundle_file, $bundle_file.'~');

			//* Write new ssl files
			if(trim($data["new"]["ssl_request"]) != '') $app->system->file_put_contents($csr_file, $data["new"]["ssl_request"]);
			
			if($server_type === 'nginx' || ($server_type === 'apache' && version_compare($app->system->getapacheversion(true), '2.4.8', '>='))) {
				// In nginx and apache 2.4.8 and newer, the ssl crt file contains the bundle, so we need no separate bundle file
				$tmp_data = '';
				if(trim($data["new"]["ssl_cert"]) != '') $tmp_data .= $data["new"]["ssl_cert"] . "\n";
				if(trim($data["new"]["ssl_bundle"]) != '') $tmp_data .= $data["new"]["ssl_bundle"];
				if(trim($tmp_data) != '') $app->system->file_put_contents($crt_file, $app->file->unix_nl($tmp_data));
			} else {
				// Write separate crt and bundle file
				if(trim($data["new"]["ssl_cert"]) != '') $app->system->file_put_contents($crt_file, $data["new"]["ssl_cert"]);
				if(trim($data["new"]["ssl_bundle"]) != '') $app->system->file_put_contents($bundle_file, $data["new"]["ssl_bundle"]);
			}

			//* Write the key file, if field is empty then import the key into the db
			if(trim($data["new"]["ssl_key"]) != '') {
				$app->system->file_put_contents($key_file, $data["new"]["ssl_key"]);
				$app->system->chmod($key_file, 0400);
			} else {
				$ssl_key = $app->system->file_get_contents($key_file);
				/* Update the DB of the (local) Server */
				$app->db->query("UPDATE web_domain SET ssl_key = ? WHERE domain = ?", $ssl_key, $data['new']['domain']);
				/* Update also the master-DB of the Server-Farm */
				$app->dbmaster->query("UPDATE web_domain SET ssl_key = ? WHERE domain = ?", $ssl_key, $data['new']['domain']);
			}

			/* 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($web_config['CA_path'].'/openssl.cnf'))
			{
				exec("openssl ca -batch -config ".$web_config['CA_path']."/openssl.cnf -passin pass:".$web_config['CA_pass']." -revoke ".escapeshellcmd($crt_file));
				$app->log("Revoking CA-signed SSL Cert for: $domain", LOGLEVEL_DEBUG);
			}
			$app->system->unlink($csr_file);
			$app->system->unlink($crt_file);
			$app->system->unlink($bundle_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);
		}

	}
	

	//* Update the awstats configuration file
	public 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
	public 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);
		}
	}

	public function eventUpdate($event_name, $data, $server_type = 'apache') {
		global $app, $conf;

		if($server_type === 'nginx') {
			//* 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 this is a chrooted setup
		if($web_config['website_basedir'] != '' && @is_file($web_config['website_basedir'].'/etc/passwd')) {
			$is_chrooted = true;
			$app->log('Info: Webserver is chrooted.', LOGLEVEL_DEBUG);
		} else {
			$is_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) {
			$app->log('Websites cannot be owned by the root user or group. User: '.$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 = $this->getWebFolder($data, 'web', false);
		$log_folder = $this->getWebFolder($data, 'log', false);
		$old_web_folder = $this->getWebFolder($data, 'web', true);
		$old_log_folder = $this->getWebFolder($data, 'log', true);
		
		// 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(!$app->system->is_group('ispconfigend')) {
				exec('groupadd --gid '.($connect_userid_to_webid_start + 10000).' ispconfigend');
			}
			if(!$app->system->is_user('ispconfigend')) {
				exec('useradd -g ispconfigend -d /usr/local/ispconfig --uid '.($connect_userid_to_webid_start + 10000).' ispconfigend');
			}
		} else {
			$fixed_uid_param = '';
			$fixed_gid_param = '';
		}

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

		$username = escapeshellcmd($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') {
				exec('useradd -d '.escapeshellcmd($data['new']['document_root'])." -g $groupname $fixed_uid_param -G sshusers $username -s /bin/false");
				if($is_chrooted) $app->system->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' useradd -d '.escapeshellcmd($data['new']['document_root'])." -g $groupname $fixed_uid_param -G sshusers $username -s /bin/false");
			} else {
				exec('useradd -d '.escapeshellcmd($data['new']['document_root'])." -g $groupname $fixed_uid_param $username -s /bin/false");
				if($is_chrooted) $app->system->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' useradd -d '.escapeshellcmd($data['new']['document_root'])." -g $groupname $fixed_uid_param $username -s /bin/false");
			}
			$app->log('Adding the user: '.$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);
					// create the symlinks, if not exist
					if(is_link($tmp_symlink)) {
						exec('rm -f '.escapeshellcmd($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
				exec('umount -l '.escapeshellcmd($old_dir.'/log'));

				//* Create new base directory, if it does not exist yet
				if(!is_dir($new_dir)) $app->system->mkdirpath($new_dir);
				$app->system->web_folder_protection($data['old']['document_root'], false);
				exec('mv '.escapeshellarg($data['old']['document_root']).' '.escapeshellarg($new_dir));
				//$app->system->rename($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
				exec('chown --recursive --from='.escapeshellcmd($data['old']['system_user']).':'.escapeshellcmd($data['old']['system_group']).' '.escapeshellcmd($data['new']['system_user']).':'.escapeshellcmd($data['new']['system_group']).' '.$new_dir);

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

			if($is_chrooted) $app->system->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' '.$command);

			//* Change the 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);
			$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$old_log_folder.'    none    bind,nobootwait';
			$app->system->removeLine('/etc/fstab', $fstab_line);
			$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$old_log_folder.'    none    bind,nobootwait';
			$app->system->removeLine('/etc/fstab', $fstab_line);
			*/
			
			$fstab_line_old = '/var/log/ispconfig/httpd/'.$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);
			}
			
			exec('mount --bind '.escapeshellarg('/var/log/ispconfig/httpd/'.$data['new']['domain']).' '.escapeshellarg($data['new']['document_root'].'/'.$log_folder));

		}

		//print_r($data);

		// 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)) $app->system->mkdirpath($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'].'/'.$log_folder)) exec('mkdir -p '.$data['new']['document_root'].'/'.$log_folder);
		if(!is_dir($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($server_type === 'apache') {
			if(!is_dir($data['new']['document_root'].'/webdav')) $app->system->mkdirpath($data['new']['document_root'].'/webdav');
		}
		
		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);
		}


		// 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'])) exec('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
			//exec('fuser -km '.escapeshellarg($data['old']['document_root'].'/'.$old_log_folder));
			exec('umount -l '.escapeshellarg($data['old']['document_root'].'/'.$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'])) exec('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'].'/'.$log_folder, 0755);
			exec('mount --bind '.escapeshellarg('/var/log/ispconfig/httpd/'.$data['new']['domain']).' '.escapeshellarg($data['new']['document_root'].'/'.$log_folder));
			//* add mountpoint to fstab
			$fstab_line = '/var/log/ispconfig/httpd/'.$data['new']['domain'].' '.$data['new']['document_root'].'/'.$log_folder.'    none    bind,nobootwait';
			$fstab_line .= @($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']);
		$client_id = intval($client['client_id']);
		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 symlinks, if not exist
					if(is_link($tmp_symlink)) {
						exec('rm -f '.escapeshellcmd($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($tmp_symlink)) {
					//     exec("ln -s ".escapeshellcmd($data["new"]["document_root"])."/ ".escapeshellcmd($tmp_symlink));
					if ($web_config["website_symlinks_rel"] == 'y') {
						$app->system->create_relative_link(escapeshellcmd($data["new"]["document_root"]), escapeshellcmd($tmp_symlink));
					} else {
						exec("ln -s ".escapeshellcmd($data["new"]["document_root"])."/ ".escapeshellcmd($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']) {
				$error_page_path = escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/error/';
				if (file_exists($conf['rootpath'] . '/conf-custom/error/'.substr(escapeshellcmd($conf['language']), 0, 2))) {
					exec('cp ' . $conf['rootpath'] . '/conf-custom/error/'.substr(escapeshellcmd($conf['language']), 0, 2).'/* '.$error_page_path);
				}
				else {
					if (file_exists($conf['rootpath'] . '/conf-custom/error/400.html')) {
						exec('cp '. $conf['rootpath'] . '/conf-custom/error/*.html '.$error_page_path);
					}
					else {
						exec('cp ' . $conf['rootpath'] . '/conf/error/'.substr(escapeshellcmd($conf['language']), 0, 2).'/* '.$error_page_path);
					}
				}
				exec('chmod -R a+r '.$error_page_path);
			}

			//* Copy the web skeleton files only when there is no index.ph 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')) {
				if (file_exists($conf['rootpath'] . '/conf-custom/index/standard_index.html_'.substr(escapeshellcmd($conf['language']), 0, 2))) {
					if(!file_exists(escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/index.html')) exec('cp ' . $conf['rootpath'] . '/conf-custom/index/standard_index.html_'.substr(escapeshellcmd($conf['language']), 0, 2).' '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/index.html');

					if(is_file($conf['rootpath'] . '/conf-custom/index/favicon.ico')) {
						if(!file_exists(escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/favicon.ico')) exec('cp ' . $conf['rootpath'] . '/conf-custom/index/favicon.ico '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
					}
					if(is_file($conf['rootpath'] . '/conf-custom/index/robots.txt')) {
						if(!file_exists(escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/robots.txt')) exec('cp ' . $conf['rootpath'] . '/conf-custom/index/robots.txt '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
					}
					//if(is_file($conf['rootpath'] . '/conf-custom/index/.htaccess')) {
					//	exec('cp ' . $conf['rootpath'] . '/conf-custom/index/.htaccess '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
					//}
				} else {
					if (file_exists($conf['rootpath'] . '/conf-custom/index/standard_index.html')) {
						if(!file_exists(escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/index.html')) exec('cp ' . $conf['rootpath'] . '/conf-custom/index/standard_index.html '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/index.html');
					} else {
						if(!file_exists(escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/index.html')) exec('cp ' . $conf['rootpath'] . '/conf/index/standard_index.html_'.substr(escapeshellcmd($conf['language']), 0, 2).' '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/index.html');
						if(is_file($conf['rootpath'] . '/conf/index/favicon.ico')){
							if(!file_exists(escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/favicon.ico')) exec('cp ' . $conf['rootpath'] . '/conf/index/favicon.ico '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
						}
						if(is_file($conf['rootpath'] . '/conf/index/robots.txt')){
							if(!file_exists(escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/robots.txt')) exec('cp ' . $conf['rootpath'] . '/conf/index/robots.txt '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
						}
						//if(is_file($conf['rootpath'] . '/conf/index/.htaccess')) exec('cp ' . $conf['rootpath'] . '/conf/index/.htaccess '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
					}
				}
			}
			exec('chmod -R a+r '.escapeshellcmd($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) {

			$error_page_path = escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/error/';
			if (file_exists($conf['rootpath'] . '/conf-custom/error/'.substr(escapeshellcmd($conf['language']), 0, 2))) {
				exec('cp ' . $conf['rootpath'] . '/conf-custom/error/'.substr(escapeshellcmd($conf['language']), 0, 2).'/* '.$error_page_path);
			}
			else {
				if (file_exists($conf['rootpath'] . '/conf-custom/error/400.html')) {
					exec('cp ' . $conf['rootpath'] . '/conf-custom/error/*.html '.$error_page_path);
				}
				else {
					exec('cp ' . $conf['rootpath'] . '/conf/error/'.substr(escapeshellcmd($conf['language']), 0, 2).'/* '.$error_page_path);
				}
			}
			exec('chmod -R a+r '.$error_page_path);
			exec('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.
			$df_output=explode(" ", exec("df -T " . escapeshellarg($data['new']['document_root']) . "|awk 'END{print \$2,\$NF}'"));
			$file_system = $df_output[0];
			$primitive_root = $df_output[1];

			if($file_system == 'xfs') {
				exec("xfs_quota -x -c " . escapeshellarg("limit -u bsoft=$mb_soft" . 'm'. " bhard=$mb_hard" . 'm'. " " . $username) . " " . escapeshellarg($primitive_root));

				// xfs only supports timers globally, not per user.
				exec("xfs_quota -x -c 'timer -bir -i 604800' " . escapeshellarg($primitive_root));

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

		if($this->action == 'insert' || $data["new"]["system_user"] != $data["old"]["system_user"]) {
			// Chown and chmod the directories below the document root
			$app->system->_exec('chown -R '.$username.':'.$groupname.' '.escapeshellcmd($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) {
				$app->system->_exec('chown '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder);
			} else {
				$app->system->_exec('chown root:root '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder);
			}
		}

		//* add the 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
		$user_config_key = 'user';
		if($server_type === 'nginx') {
			$user_config_key = 'nginx_user';
		}
		if($data['new']['type'] == 'vhost' && $web_config['security_level'] == 20) $app->system->add_user_to_group($groupname, escapeshellcmd($web_config[$user_config_key]));

		//* 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', 0711);
				if($server_type === 'apache') {
					$app->system->chmod($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 webserver 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';
					$command .= ' '.escapeshellcmd($data['new']['system_user']).' 2>/dev/null';
					$app->system->_exec($command);
				}

				//* if we have a chrooted environment
				if($is_chrooted) {
					$app->system->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' '.$command);

					//* add the 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, escapeshellcmd($web_config[$user_config_key]));