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		$vhosts = array();
		
		//* Add vhost for ipv4 IP	
		if(count($rewrite_rules) > 0){
			$vhosts[] = array('ip_address' => $data['new']['ip_address'], 'ssl_enabled' => 0, 'port' => 80, 'redirects' => $rewrite_rules);
		} else {
			$vhosts[] = array('ip_address' => $data['new']['ip_address'], 'ssl_enabled' => 0, 'port' => 80);
		}
		
		//* Add vhost for ipv4 IP with SSL
		if($data['new']['ssl_domain'] != '' && $data['new']['ssl'] == 'y' && @is_file($crt_file) && @is_file($key_file) && (@filesize($crt_file)>0)  && (@filesize($key_file)>0)) {
			if(count($rewrite_rules) > 0){
				$vhosts[] = array('ip_address' => $data['new']['ip_address'], 'ssl_enabled' => 1, 'port' => '443', 'redirects' => $rewrite_rules);
			} else {
				$vhosts[] = array('ip_address' => $data['new']['ip_address'], 'ssl_enabled' => 1, 'port' => '443');
			}
			$app->log('Enable SSL for: '.$domain,LOGLEVEL_DEBUG);
		}
		
		//* Add vhost for IPv6 IP
		if($data['new']['ipv6_address'] != '') {
			if(count($rewrite_rules) > 0){
				$vhosts[] = array('ip_address' => '['.$data['new']['ipv6_address'].']', 'ssl_enabled' => 0, 'port' => 80, 'redirects' => $rewrite_rules);
			} else {
				$vhosts[] = array('ip_address' => '['.$data['new']['ipv6_address'].']', 'ssl_enabled' => 0, 'port' => 80);
			}
		
			//* Add vhost for ipv6 IP with SSL
			if($data['new']['ssl_domain'] != '' && $data['new']['ssl'] == 'y' && @is_file($crt_file) && @is_file($key_file) && (@filesize($crt_file)>0)  && (@filesize($key_file)>0)) {
				
				if(count($rewrite_rules) > 0){
					$vhosts[] = array('ip_address' => '['.$data['new']['ipv6_address'].']', 'ssl_enabled' => 1, 'port' => '443', 'redirects' => $rewrite_rules);
				} else {
					$vhosts[] = array('ip_address' => '['.$data['new']['ipv6_address'].']', 'ssl_enabled' => 1, 'port' => '443');
				}
				$app->log('Enable SSL for IPv6: '.$domain,LOGLEVEL_DEBUG);
			}
		}
		
		//* Set the vhost loop
		$tpl->setLoop('vhosts',$vhosts);
		
		file_put_contents($vhost_file,$tpl->grab());
		$app->log('Writing the vhost file: '.$vhost_file,LOGLEVEL_DEBUG);

		/*
		 * maybe we have some webdav - user. If so, add them...
		*/
		$this->_patchVhostWebdav($vhost_file, $data['new']['document_root'] . '/webdav');
		//* Set the symlink to enable the vhost
		//* First we check if there is a old type of symlink and remove it
		$vhost_symlink = escapeshellcmd($web_config['vhost_conf_enabled_dir'].'/'.$data['new']['domain'].'.vhost');
		if(is_link($vhost_symlink)) unlink($vhost_symlink);
		
		//* Remove old or changed symlinks
		if($data['new']['subdomain'] != $data['old']['subdomain'] or $data['new']['active'] == 'n') {
			$vhost_symlink = escapeshellcmd($web_config['vhost_conf_enabled_dir'].'/900-'.$data['new']['domain'].'.vhost');
			if(is_link($vhost_symlink)) {
				unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file,LOGLEVEL_DEBUG);
			}
			$vhost_symlink = escapeshellcmd($web_config['vhost_conf_enabled_dir'].'/100-'.$data['new']['domain'].'.vhost');
			if(is_link($vhost_symlink)) {
				unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file,LOGLEVEL_DEBUG);
			}
		}
		
		//* New symlink
		if($data['new']['subdomain'] == '*') {
			$vhost_symlink = escapeshellcmd($web_config['vhost_conf_enabled_dir'].'/900-'.$data['new']['domain'].'.vhost');
		} else {
			$vhost_symlink = escapeshellcmd($web_config['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']) {
			$vhost_symlink = escapeshellcmd($web_config['vhost_conf_enabled_dir'].'/900-'.$data['old']['domain'].'.vhost');
			if(is_link($vhost_symlink)) {
				unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file,LOGLEVEL_DEBUG);
			}
			$vhost_symlink = escapeshellcmd($web_config['vhost_conf_enabled_dir'].'/100-'.$data['old']['domain'].'.vhost');
			if(is_link($vhost_symlink)) {
				unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file,LOGLEVEL_DEBUG);
			}
			$vhost_symlink = escapeshellcmd($web_config['vhost_conf_enabled_dir'].'/'.$data['old']['domain'].'.vhost');
			if(is_link($vhost_symlink)) {
				unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file,LOGLEVEL_DEBUG);
			}
			$vhost_file = escapeshellcmd($web_config['vhost_conf_dir'].'/'.$data['old']['domain'].'.vhost');
			$app->log('Removing file: '.$vhost_file,LOGLEVEL_DEBUG);
		//* Create .htaccess and .htpasswd file for website statistics
		if(!is_file($data['new']['document_root'].'/web/stats/.htaccess') or $data['old']['document_root'] != $data['new']['document_root']) {
			if(!is_dir($data['new']['document_root'].'/web/stats')) mkdir($data['new']['document_root'].'/web/stats');
			$ht_file = "AuthType Basic\nAuthName \"Members Only\"\nAuthUserFile ".$data['new']['document_root']."/.htpasswd_stats\nrequire valid-user";
			file_put_contents($data['new']['document_root'].'/web/stats/.htaccess',$ht_file);
			chmod($data['new']['document_root'].'/web/stats/.htaccess',0755);
		if(!is_file($data['new']['document_root'].'/.htpasswd_stats') || $data['new']['stats_password'] != $data['old']['stats_password']) {
			if(trim($data['new']['stats_password']) != '') {
				$htp_file = 'admin:'.trim($data['new']['stats_password']);
				file_put_contents($data['new']['document_root'].'/.htpasswd_stats',$htp_file);
				chmod($data['new']['document_root'].'/.htpasswd_stats',0755);
		
		//* Create awstats configuration
		if($data['new']['stats_type'] == 'awstats' && $data['new']['type'] == 'vhost') {
			$this->awstats_update($data,$web_config);
		}
		
		if($web_config['check_apache_config'] == 'y') {
			//* Test if apache starts with the new configuration file
			$apache_online_status_before_restart = $this->_checkTcp('localhost',80);
			$app->log('Apache status is: '.$apache_online_status_before_restart,LOGLEVEL_DEBUG);
			$app->services->restartService('httpd','restart');
			
			// wait a few seconds, before we test the apache status again
			sleep(2);
		
			//* Check if apache restarted successfully if it was online before
			$apache_online_status_after_restart = $this->_checkTcp('localhost',80);
			$app->log('Apache online status after restart is: '.$apache_online_status_after_restart,LOGLEVEL_DEBUG);
			if($apache_online_status_before_restart && !$apache_online_status_after_restart) {
				$app->log('Apache did not restart after the configuration change for website '.$data['new']['domain'].' Reverting the configuration. Saved non-working config as '.$vhost_file.'.err',LOGLEVEL_WARN);
				copy($vhost_file,$vhost_file.'.err');
				if(is_file($vhost_file.'~')) {
					//* Copy back the last backup file
					copy($vhost_file.'~',$vhost_file);
				} else {
					//* There is no backup file, so we create a empty vhost file with a warning message inside
					file_put_contents($vhost_file,"# Apache did not start after modifying this vhost file.\n# Please check file $vhost_file.err for syntax errors.");
				}
				$app->services->restartService('httpd','restart');
			}
			//* We do not check the apache config after changes (is faster)
			if($apache_chrooted) {
				$app->services->restartServiceDelayed('httpd','restart');
			} else {
				// request a httpd reload when all records have been processed
				$app->services->restartServiceDelayed('httpd','reload');
			}
		
		// Remove the backup copy of the config file.
		if(@is_file($vhost_file.'~')) unlink($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');
		$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');
		if($web_config['website_basedir'] != '' && @is_file($web_config['website_basedir'].'/etc/passwd')) {
			$apache_chrooted = true;
		} else {
			$apache_chrooted = false;
		}
		if($data['old']['type'] != 'vhost' && $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 = $app->db->queryOneRecord('SELECT * FROM web_domain WHERE domain_id = '.$parent_domain_id." AND active = 'y'");
			$data['new'] = $tmp;
			$data['old'] = $tmp;
			$this->action = 'update';
			// just run the update function
			$this->update($event_name,$data);
		} else {
			//* This is a website
			// Deleting the vhost file, symlink and the data directory
			$vhost_file = escapeshellcmd($web_config['vhost_conf_dir'].'/'.$data['old']['domain'].'.vhost');
			
			$vhost_symlink = escapeshellcmd($web_config['vhost_conf_enabled_dir'].'/'.$data['old']['domain'].'.vhost');
			if(is_link($vhost_symlink)){
				unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file,LOGLEVEL_DEBUG);
			}
			$vhost_symlink = escapeshellcmd($web_config['vhost_conf_enabled_dir'].'/900-'.$data['old']['domain'].'.vhost');
			if(is_link($vhost_symlink)){
				unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file,LOGLEVEL_DEBUG);
			}
			$vhost_symlink = escapeshellcmd($web_config['vhost_conf_enabled_dir'].'/100-'.$data['old']['domain'].'.vhost');
			if(is_link($vhost_symlink)){
				unlink($vhost_symlink);
				$app->log('Removing symlink: '.$vhost_symlink.'->'.$vhost_file,LOGLEVEL_DEBUG);
			}
			
			$app->log('Removing vhost file: '.$vhost_file,LOGLEVEL_DEBUG);
			$docroot = escapeshellcmd($data['old']['document_root']);
			if($docroot != '' && !stristr($docroot,'..')) exec('rm -rf '.$docroot);
			//remove the php fastgi starter script if available
			if ($data['old']['php'] == 'fast-cgi') {
				$fastcgi_starter_path = str_replace('[system_user]',$data['old']['system_user'],$web_config['fastcgi_starter_path']);
				if (is_dir($fastcgi_starter_path)) {
					exec('rm -rf '.$fastcgi_starter_path);
			//remove the php cgi starter script if available
			if ($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'],$web_config['cgi_starter_path']);
				if (is_dir($cgi_starter_path)) {
					exec('rm -rf '.$cgi_starter_path);
			$app->log('Removing website: '.$docroot,LOGLEVEL_DEBUG);
			// Delete the symlinks for the sites
			$client = $app->db->queryOneRecord('SELECT client_id FROM sys_group WHERE sys_group.groupid = '.intval($data['old']['sys_groupid']));
			$client_id = intval($client['client_id']);
			$tmp_symlinks_array = explode(':',$web_config['website_symlinks']);
			if(is_array($tmp_symlinks_array)) {
				foreach($tmp_symlinks_array as $tmp_symlink) {
					$tmp_symlink = str_replace('[client_id]',$client_id,$tmp_symlink);
					$tmp_symlink = str_replace('[website_domain]',$data['old']['domain'],$tmp_symlink);
					// Remove trailing slash
					if(substr($tmp_symlink, -1, 1) == '/') $tmp_symlink = substr($tmp_symlink, 0, -1);
					// create the symlinks, if not exist
					if(is_link($tmp_symlink)) {
						unlink($tmp_symlink);
						$app->log('Removing symlink: '.$tmp_symlink,LOGLEVEL_DEBUG);
			// Delete the log file directory
			$vhost_logfile_dir = escapeshellcmd('/var/log/ispconfig/httpd/'.$data['old']['domain']);
			if($data['old']['domain'] != '' && !stristr($vhost_logfile_dir,'..')) exec('rm -rf '.$vhost_logfile_dir);
			$app->log('Removing website logfile directory: '.$vhost_logfile_dir,LOGLEVEL_DEBUG);
			//delete the web user
			$command = 'userdel';
			$command .= ' '.$data['old']['system_user'];
			if($apache_chrooted) $this->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' '.$command);
			
			//* Remove the awstats configuration file
			if($data['old']['stats_type'] == 'awstats') {
				$this->awstats_delete($data,$web_config);
			}
			
			if($apache_chrooted) {
				$app->services->restartServiceDelayed('httpd','restart');
			} else {
				// request a httpd reload when all records have been processed
				$app->services->restartServiceDelayed('httpd','reload');
			}
	//* This function is called when a IP on the server is inserted, updated or deleted
	function server_ip($event_name,$data) {
		global $app, $conf;
		// load the server configuration options
		$app->uses('getconf');
		$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');
		$tpl->newTemplate('apache_ispconfig.conf.master');
		$records = $app->db->queryAllRecords('SELECT * FROM server_ip WHERE server_id = '.$conf['server_id']." AND virtualhost = 'y'");
		
		$records_out= array();
		if(is_array($records)) {
			foreach($records as $rec) {
				if($rec['ip_type'] == 'IPv6') {
					$ip_address = '['.$rec['ip_address'].']';
				} else {
					$ip_address = $rec['ip_address'];
				}
				$ports = explode(',',$rec['virtualhost_port']);
				if(is_array($ports)) {
					foreach($ports as $port) {
						$port = intval($port);
						if($port > 0 && $port < 65536 && $ip_address != '') {
							$records_out[] = array('ip_address' => $ip_address, 'port' => $port);
						}
					}
				}
			}
		}
		
		
		if(count($records_out) > 0) {
			$tpl->setLoop('ip_adresses',$records_out);
		$vhost_file = escapeshellcmd($web_config['vhost_conf_dir'].'/ispconfig.conf');
		file_put_contents($vhost_file,$tpl->grab());
		$app->log('Writing the conf file: '.$vhost_file,LOGLEVEL_DEBUG);
	}
	
	//* 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 = $app->db->queryOneRecord("SELECT * FROM web_folder WHERE web_folder_id = ".intval($folder_id));
		$website = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($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;
		}
		
		//* Get the folder path.
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		if(substr($folder['path'],0,1) == '/') $folder['path'] = substr($folder['path'],1);
		if(substr($folder['path'],-1) == '/') $folder['path'] = substr($folder['path'],0,-1);
		$folder_path = escapeshellcmd($website['document_root'].'/web/'.$folder['path']);
		if(substr($folder_path,-1) != '/') $folder_path .= '/';
		
		//* Check if the resulting path is inside the docroot
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		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($folder_path)) {
			exec('mkdir -p '.$folder_path);
			chown($folder_path,$website['system_user']);
			chgrp($folder_path,$website['system_group']);
		}
		
		//* Create empty .htpasswd file, if it does not exist
		if(!is_file($folder_path.'.htpasswd')) {
			touch($folder_path.'.htpasswd');
			chmod($folder_path.'.htpasswd',0755);
			chown($folder_path.'.htpasswd',$website['system_user']);
			chgrp($folder_path.'.htpasswd',$website['system_group']);
			$app->log('Created file '.$folder_path.'.htpasswd',LOGLEVEL_DEBUG);
		}
		
		/*
		$auth_users = $app->db->queryAllRecords("SELECT * FROM web_folder_user WHERE active = 'y' AND web_folder_id = ".intval($folder_id));
		$htpasswd_content = '';
		if(is_array($auth_users) && !empty($auth_users)){
			foreach($auth_users as $auth_user){
				$htpasswd_content .= $auth_user['username'].':'.$auth_user['password']."\n";
			}
		$htpasswd_content = trim($htpasswd_content);
		@file_put_contents($folder_path.'.htpasswd', $htpasswd_content);
		$app->log('Changed .htpasswd file: '.$folder_path.'.htpasswd',LOGLEVEL_DEBUG);
		*/
		if(($data['new']['username'] != $data['old']['username'] || $data['new']['active'] == 'n') && $data['old']['username'] != '') {
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			$app->system->removeLine($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') {
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			$app->system->removeLine($folder_path.'.htpasswd',$data['old']['username'].':');
			$app->log('Removed user: '.$data['old']['username'],LOGLEVEL_DEBUG);
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			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);
			}
		//* Create the .htaccess file
		//if(!is_file($folder_path.'.htaccess')) {
			$ht_file = "AuthType Basic\nAuthName \"Members Only\"\nAuthUserFile ".$folder_path.".htpasswd\nrequire valid-user";
			file_put_contents($folder_path.'.htaccess',$ht_file);
			chmod($folder_path.'.htaccess',0755);
			chown($folder_path.'.htaccess',$website['system_user']);
			chgrp($folder_path.'.htaccess',$website['system_group']);
			$app->log('Created file '.$folder_path.'.htaccess',LOGLEVEL_DEBUG);
		//}
		
	}
	
	//* Remove .htaccess and .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 = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($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;
		}
		
		//* 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/'.$folder['path']);
		if(substr($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($folder_path.'.htpasswd')) {
			unlink($folder_path.'.htpasswd');
			$app->log('Removed file '.$folder_path.'.htpasswd',LOGLEVEL_DEBUG);
		}
		
		//* Remove .htaccess file
		if(is_file($folder_path.'.htaccess')) {
			unlink($folder_path.'.htaccess');
			$app->log('Removed file '.$folder_path.'.htaccess',LOGLEVEL_DEBUG);
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	}
	
	//* Update folder protection, when path has been changed
	function web_folder_update($event_name,$data) {
		global $app, $conf;
		
		$website = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($data['new']['parent_domain_id']));
	
		if(!is_array($website)) {
			$app->log('Not able to retrieve folder or website record.',LOGLEVEL_DEBUG);
			return false;
		}
		
		//* 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);
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		$old_folder_path = realpath($website['document_root'].'/web/'.$data['old']['path']);
		if(substr($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);
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		$new_folder_path = escapeshellcmd($website['document_root'].'/web/'.$data['new']['path']);
		if(substr($new_folder_path,-1) != '/') $new_folder_path .= '/';
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		//* Check if the resulting path is inside the docroot
		if(stristr($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($new_folder_path)) exec('mkdir -p '.$new_folder_path);
		
		if($data['old']['path'] != $data['new']['path']) {

		
			//* move .htpasswd file
			if(is_file($old_folder_path.'.htpasswd')) {
				rename($old_folder_path.'.htpasswd',$new_folder_path.'.htpasswd');
				$app->log('Moved file '.$old_folder_path.'.htpasswd to '.$new_folder_path.'.htpasswd',LOGLEVEL_DEBUG);
			//* delete old .htaccess file
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			if(is_file($old_folder_path.'.htaccess')) {
				unlink($old_folder_path.'.htaccess');
				$app->log('Deleted file '.$old_folder_path.'.htaccess',LOGLEVEL_DEBUG);
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			}
		
		}
		
		//* Create the .htaccess file
		if($data['new']['active'] == 'y') {
			$ht_file = "AuthType Basic\nAuthName \"Members Only\"\nAuthUserFile ".$new_folder_path.".htpasswd\nrequire valid-user";
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			file_put_contents($new_folder_path.'.htaccess',$ht_file);
			chmod($new_folder_path.'.htpasswd',0755);
			chown($folder_path.'.htpasswd',$website['system_user']);
			chgrp($folder_path.'.htpasswd',$website['system_group']);
			$app->log('Created file '.$new_folder_path.'.htpasswd',LOGLEVEL_DEBUG);
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		}
		
		//* Remove .htaccess file
		if($data['new']['active'] == 'n' && is_file($new_folder_path.'.htaccess')) {
			unlink($new_folder_path.'.htaccess');
			$app->log('Removed file '.$new_folder_path.'.htaccess',LOGLEVEL_DEBUG);
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		}

	/**
	 * This function is called when a Webdav-User is inserted, updated or deleted.
	 *
	 * @author Oliver Vogel
	 * @param string $event_name
	 * @param array $data
	 */
	public function webdav($event_name,$data) {
		global $app, $conf;
		
		/*
		 * load the server configuration options
		*/
		$app->uses('getconf');
		$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');

		if (($event_name == 'webdav_user_insert') || ($event_name == 'webdav_user_update')) {

			/*
			 * Get additional informations
			*/
			$sitedata = $app->db->queryOneRecord('SELECT document_root, domain, system_user, system_group FROM web_domain WHERE domain_id = ' . $data['new']['parent_domain_id']);
			$documentRoot = $sitedata['document_root'];
			$domain = $sitedata['domain'];
			$user = $sitedata['system_user'];
			$group = $sitedata['system_group'];

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

			/*
			 * First the webdav-root - folder has to exist
			*/
			if(!is_dir($documentRoot . '/webdav/' . $data['new']['dir'])) {
				$app->log('Webdav User directory '.$documentRoot.'/webdav/'.$data['new']['dir'].' does not exist. Creating it now.',LOGLEVEL_DEBUG);
				exec('mkdir -p '.escapeshellcmd($documentRoot . '/webdav/' . $data['new']['dir']));
			}

			/*
			 * The webdav - Root needs the group/user as owner and the apache as read and write
			$this->_exec('chown ' . $user . ':' . $group . ' ' . escapeshellcmd($documentRoot . '/webdav/'));
			$this->_exec('chmod 770 ' . escapeshellcmd($documentRoot . '/webdav/'));
			 * The webdav folder (not the webdav-root!) needs the same (not in ONE step, because the
			 * pwd-files are owned by root)
			$this->_exec('chown ' . $user . ':' . $group . ' ' . escapeshellcmd($documentRoot . '/webdav/'. $data['new']['dir'] . ' -R'));
			$this->_exec('chmod 770 ' . escapeshellcmd($documentRoot . '/webdav/' . $data['new']['dir'] . ' -R'));

			/*
			 * if the user is active, we have to write/update the password - file
			 * if the user is inactive, we have to inactivate the user by removing the user from the file
			*/
			if ($data['new']['active'] == 'y') {
				$this->_writeHtDigestFile( $documentRoot . '/webdav/' . $data['new']['dir'] . '.htdigest', $data['new']['username'], $data['new']['dir'], $data['new']['password']);
			}
			else {
				/* empty pwd removes the user! */
				$this->_writeHtDigestFile( $documentRoot . '/webdav/' . $data['new']['dir'] . '.htdigest', $data['new']['username'], $data['new']['dir'], '');
			}

			/*
			 * Next step, patch the vhost - file
			*/
			$vhost_file = escapeshellcmd($web_config['vhost_conf_dir'] . '/' . $domain . '.vhost');
			$this->_patchVhostWebdav($vhost_file, $documentRoot . '/webdav');
			/*
			 * Last, restart apache
			*/
			if($apache_chrooted) {
				$app->services->restartServiceDelayed('httpd','restart');
			} else {
				// request a httpd reload when all records have been processed
				$app->services->restartServiceDelayed('httpd','reload');
			}

		}

		if ($event_name == 'webdav_user_delete') {
			/*
			 * Get additional informations
			*/
			$sitedata = $app->db->queryOneRecord('SELECT document_root, domain FROM web_domain WHERE domain_id = ' . $data['old']['parent_domain_id']);
			$documentRoot = $sitedata['document_root'];
			$domain = $sitedata['domain'];

			/*
			 * We dont't want to destroy any (transfer)-Data. So we do NOT delete any dir.
			 * So the only thing, we have to do, is to delete the user from the password-file
			$this->_writeHtDigestFile( $documentRoot . '/webdav/' . $data['old']['dir'] . '.htdigest', $data['old']['username'], $data['old']['dir'], '');
			
			/*
			 * Next step, patch the vhost - file
			*/
			$vhost_file = escapeshellcmd($web_config['vhost_conf_dir'] . '/' . $domain . '.vhost');
			$this->_patchVhostWebdav($vhost_file, $documentRoot . '/webdav');
			
			/*
			 * Last, restart apache
			*/
			if($apache_chrooted) {
				$app->services->restartServiceDelayed('httpd','restart');
			} else {
				// request a httpd reload when all records have been processed
				$app->services->restartServiceDelayed('httpd','reload');
			}
		}
	}


	/**
	 * This function writes the htdigest - files used by webdav and digest
	 * more info: see http://riceball.com/d/node/424
	 * @author Oliver Vogel
	 * @param string $filename The name of the digest-file
	 * @param string $username The name of the webdav-user
	 * @param string $authname The name of the realm
	 * @param string $pwd      The password-hash of the user
	private function _writeHtDigestFile($filename, $username, $authname, $pwdhash ) {
		$changed = false;
		if(is_file($filename)) {
			$in = fopen($filename, 'r');
			$output = '';
			/*
			* read line by line and search for the username and authname
			*/
			while (preg_match("/:/", $line = fgets($in))) {
				$line = rtrim($line);
				$tmp = explode(':', $line);
				if ($tmp[0] == $username && $tmp[1] == $authname) {
					/*
					* found the user. delete or change it?
					*/
					if ($pwdhash != '') {
						$output .= $tmp[0] . ':' . $tmp[1] . ':' . $pwdhash . "\n";
						}
					$changed = true;
				}
				else {
					$output .= $line . "\n";
				}
		}
		/*
		 * if we didn't change anything, we have to add the new user at the end of the file
		*/
		if (!$changed) {
			$output .= $username . ':' . $authname . ':' . $pwdhash . "\n";

		/*
		 * Now lets write the new file
		*/
		if(trim($output) == '') {
			unlink($filename);
		} else {
			file_put_contents($filename, $output);
		}
	}

	/**
	 * This function patches the vhost-file and adds all webdav - user.
	 * This function is written, because the creation of the vhost - file is sophisticated and
	 * i don't want to make it more "heavy" by also adding this code too...
	 * @author Oliver Vogel
	 * @param string $fileName The Name of the .vhost-File (path included)
	 * @param string $webdavRoot The root of the webdav-folder
	 */
	private function _patchVhostWebdav($fileName, $webdavRoot) {
		$in = fopen($fileName, 'r');
		$output = '';
		$inWebdavSection = false;

		/*
		 * read line by line and search for the username and authname
		*/
		while ($line = fgets($in)) {
			/*
			 *  is the "replace-comment" found...
			*/
			if (trim($line) == '# WEBDAV BEGIN') {
				/*
				 * The begin of the webdav - section is found, so ignore all lines til the end  is found
				*/
				$inWebdavSection = true;

				$output .= "      # WEBDAV BEGIN\n";

				/*
				 * add all the webdav-dirs to the webdav-section
				*/
				$files = @scandir($webdavRoot);
				if(is_array($files)) {
				foreach($files as $file) {
					if (substr($file, strlen($file) - strlen('.htdigest')) == '.htdigest') {
						/*
						 * found a htdigest - file, so add it to webdav
						*/
						$fn = substr($file, 0, strlen($file) - strlen('.htdigest'));
						$output .= "\n";
						// $output .= "      Alias /" . $fn . ' ' . $webdavRoot . '/' . $fn . "\n";
						// $output .= "      <Location /" . $fn . ">\n";
						$output .= "      Alias /webdav/" . $fn . ' ' . $webdavRoot . '/' . $fn . "\n";
						$output .= "      <Location /webdav/" . $fn . ">\n";
						$output .= "        DAV On\n";
						$output .= "        AuthType Digest\n";
						$output .= "        AuthName \"" . $fn . "\"\n";
						$output .= "        AuthUserFile " . $webdavRoot . '/' . $file . "\n";
						$output .= "        Require valid-user \n";
						$output .= "        Options +Indexes \n";
						$output .= "        Order allow,deny \n";
						$output .= "        Allow from all \n";
						$output .= "      </Location> \n";
					}
				}
			}
			/*
			 *  is the "replace-comment-end" found...
			*/
			if (trim($line) == '# WEBDAV END') {
				/*
				 * The end of the webdav - section is found, so stop ignoring
				*/
				$inWebdavSection = false;
			}

			/*
			 * Write the line to the output, if it is not in the section
			*/
			if (!$inWebdavSection) {
				$output .= $line;
			}
		}
		fclose($in);

		/*
		 * Now lets write the new file
		*/
		file_put_contents($fileName, $output);

	}
	
	//* Update the awstats configuration file
	private function awstats_update ($data,$web_config) {
		global $app;
		
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		$awstats_conf_dir = $web_config['awstats_conf_dir'];
		
		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.'.$data['old']['domain'].'.conf') ) {
				unlink($awstats_conf_dir.'/awstats.'.$data['old']['domain'].'.conf');
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			$content .= "Include \"".$awstats_conf_dir."/awstats.conf\"\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";
			file_put_contents($awstats_conf_dir.'/awstats.'.$data['new']['domain'].'.conf',$content);
			$app->log('Created AWStats config file: '.$awstats_conf_dir.'/awstats.'.$data['new']['domain'].'.conf',LOGLEVEL_DEBUG);
		if(is_file($data['new']['document_root']."/web/stats/index.html")) unlink($data['new']['document_root']."/web/stats/index.html");
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		copy("/usr/local/ispconfig/server/conf/awstats_index.php.master",$data['new']['document_root']."/web/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') ) {
			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);
	
	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,'..')) {
				@rmdir($client_dir);
				$app->log('Removed client directory: '.$client_dir,LOGLEVEL_DEBUG);
			}
			
			$this->_exec('groupdel client'.$client_id);
			$app->log('Removed group client'.$client_id,LOGLEVEL_DEBUG);
		}
		
	}
	//* Wrapper for exec function for easier debugging
	private function _exec($command) {
		global $app;
		$app->log('exec: '.$command,LOGLEVEL_DEBUG);
	
	private function _checkTcp ($host,$port) {

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

		if ($fp) {
			fclose($fp);
			return true;
		} else {
			return false;
		}
	}
	public function create_relative_link($f, $t) {
		// $from already exists
		$from = realpath($f);

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

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

		// Check if a path is fully a subpath of another - no way to create symlink in the case
		if (count($a1) == 0 || count($a2) == 0) return false;

		// Add ($cnt_to-1) number of "../" elements to left side of $cfrom
		for ($c = 0; $c < (count($a2)-1); $c++) { $cfrom = '../'.$cfrom; }

		return symlink($cfrom, $to);
	}