Merged revisions 4069-4117 from stable branch.

tbrehm

2013-08-21 7b47c0aa0aeee6f059f00008e36cc210ca89ecb9

 server/plugins-available/nginx_plugin.inc.php

@@ -99,7 +99,7 @@
      $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.conf',LOGLEVEL_ERROR);	
         $app->log("CA path error, file does not exist:".$web_config['CA_path'].'/openssl.cnf',LOGLEVEL_ERROR);	
      
      //* Only vhosts can have a ssl cert
      if($data["new"]["type"] != "vhost" && $data["new"]["type"] != "vhostsubdomain") return;
@@ -243,6 +243,7 @@
         if(trim($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,$data["new"]["ssl_bundle"]);
         if(trim($data["new"]["ssl_key"]) != '') $app->system->file_put_contents($key_file2,$data["new"]["ssl_key"]);
         $app->system->chmod($key_file2,0400);
         
         // for nginx, bundle files have to be appended to the certificate file
         if(trim($data["new"]["ssl_bundle"]) != ''){            
@@ -347,7 +348,7 @@
      }

      if($data['new']['document_root'] == '') {
         $app->log('document_root not set',LOGLEVEL_WARN);
         if($data['new']['type'] == 'vhost' || $data['new']['type'] == 'vhostsubdomain') $app->log('document_root not set',LOGLEVEL_WARN);
         return 0;
      }
      if($data['new']['system_user'] == 'root' or $data['new']['system_group'] == 'root') {
@@ -435,39 +436,43 @@
            }
         }

         //* Move the site data
         $tmp_docroot = explode('/',$data['new']['document_root']);
         unset($tmp_docroot[count($tmp_docroot)-1]);
         $new_dir = implode('/',$tmp_docroot);
         if($data["new"]["type"] != "vhostsubdomain") {
            //* 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);
            $tmp_docroot = explode('/',$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'])) {
            $app->system->rename($data['new']['document_root'],$data['new']['document_root'].'_bak_'.date('Y_m_d'));
            $app->log('Renaming existing directory in new docroot location. mv '.$data['new']['document_root'].' '.$data['new']['document_root'].'_bak_'.date('Y_m_d'),LOGLEVEL_DEBUG);
         }
            //* Check if there is already some data in the new docroot and rename it as we need a clean path to move the existing site to the new path
            if(@is_dir($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);
            }
         
         //* Create new base directory, if it does not exist yet
         if(!is_dir($new_dir)) $app->system->mkdirpath($new_dir);
         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'].' '.$new_dir,LOGLEVEL_DEBUG);
            //* Create new base directory, if it does not exist yet
            if(!is_dir($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']);
            // 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']).' '.$new_dir);
            //* Change the owner of the website files to the new website owner
            exec('chown --recursive --from='.escapeshellcmd($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 = 'usermod';
         $command .= ' --home '.escapeshellcmd($data['new']['document_root']);
         $command .= ' --gid '.escapeshellcmd($data['new']['system_group']);
         $command .= ' '.escapeshellcmd($data['new']['system_user']);
         exec($command);
            //* 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($nginx_chrooted) $this->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' '.$command);
         
@@ -651,8 +656,8 @@
         exec('chown -R '.$data['new']['system_user'].':'.$data['new']['system_group'].' '.$error_page_path);
      }  // end copy error docs

      // Set the quota for the user
      if($username != '' && $app->system->is_user($username)) {
      // Set the quota for the user, but only for vhosts, not vhostsubdomains
      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;
@@ -674,6 +679,9 @@
         }
      }

      //* 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, escapeshellcmd($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')) {
      
@@ -701,7 +709,7 @@
            if($web_config['add_web_users_to_sshusers_group'] == 'y') {
               $command = 'usermod';
               $command .= ' --groups sshusers';
               $command .= ' '.escapeshellcmd($data['new']['system_user']);
               $command .= ' '.escapeshellcmd($data['new']['system_user']).' 2>/dev/null';
               $this->_exec($command);
            }

@@ -712,13 +720,10 @@
               //* 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, escapeshellcmd($web_config['user']));
               $app->system->add_user_to_group($groupname, escapeshellcmd($web_config['nginx_user']));
               $app->system->server_conf['group_datei'] = $tmp_groupfile;
               unset($tmp_groupfile);
            }

            //* add the nginx user to the client group
            $app->system->add_user_to_group($groupname, escapeshellcmd($web_config['nginx_user']));
            
            //* Chown all default directories
            $app->system->chown($data['new']['document_root'],'root');
@@ -827,7 +832,7 @@
      if(!is_dir($web_config['website_basedir'].'/conf')) mkdir($web_config['website_basedir'].'/conf');
      if(trim($data['new']['custom_php_ini']) != '') {
         $has_custom_php_ini = true;
         if(!is_dir($custom_php_ini_dir)) $app->system->mkdir($custom_php_ini_dir);
         if(!is_dir($custom_php_ini_dir)) $app->system->mkdirpath($custom_php_ini_dir);
         $php_ini_content = '';
         if($data['new']['php'] == 'mod') {
            $master_php_ini_path = $web_config['php_ini_path_apache'];
@@ -933,6 +938,100 @@
      
      // 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
               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
      $final_nginx_directives = array();
@@ -1519,19 +1618,33 @@
      if($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,LOGLEVEL_DEBUG);
         $app->log('nginx status is: '.($nginx_online_status_before_restart === true? 'running' : 'down'),LOGLEVEL_DEBUG);

         $app->services->restartService('httpd','restart');
         $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,LOGLEVEL_DEBUG);
         if($nginx_online_status_before_restart && !$nginx_online_status_after_restart) {
            $app->log('nginx did not restart after the configuration change for website '.$data['new']['domain'].' Reverting the configuration. Saved non-working config as '.$vhost_file.'.err',LOGLEVEL_WARN);
         $app->log('nginx online status after restart is: '.($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.'~',$vhost_file);
@@ -1577,12 +1690,7 @@
         }
      } else {
         //* We do not check the nginx config after changes (is faster)
         if($nginx_chrooted) {
            $app->services->restartServiceDelayed('httpd','reload');
         } else {
            // request a httpd reload when all records have been processed
            $app->services->restartServiceDelayed('httpd','reload');
         }
         $app->services->restartServiceDelayed('httpd','reload');
      }
      
      //* The vhost is written and apache has been restarted, so we 
@@ -1619,7 +1727,7 @@
      $app->uses('system');
      $web_config = $app->getconf->get_server_config($conf['server_id'], 'web');
      
      $app->system->web_folder_protection($data['old']['document_root'],false);
      if($data['old']['type'] == 'vhost' || $data['old']['type'] == 'vhostsubdomain') $app->system->web_folder_protection($data['old']['document_root'],false);

      //* Check if this is a chrooted setup
      if($web_config['website_basedir'] != '' && @is_file($web_config['website_basedir'].'/etc/passwd')) {
@@ -1633,18 +1741,73 @@
        $web_folder = '';
        if($data['old']['type'] == 'vhostsubdomain') {
            $tmp = $app->db->queryOneRecord('SELECT `domain`,`document_root` FROM web_domain WHERE domain_id = '.intval($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'];
            $web_folder = $data['old']['web_folder'];
            $log_folder .= '/' . $subdomain_host;
         if($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);
      }
        
      exec('umount '.escapeshellarg($data['old']['document_root'].'/'.$log_folder));
      if($data['old']['type'] == 'vhost' || $data['old']['type'] == 'vhostsubdomain'){
         if(is_array($log_folders) && !empty($log_folders)){
            foreach($log_folders as $log_folder){
               //if($app->system->is_mounted($data['old']['document_root'].'/'.$log_folder)) exec('umount '.escapeshellarg($data['old']['document_root'].'/'.$log_folder));
               exec('umount '.escapeshellarg($data['old']['document_root'].'/'.$log_folder).' 2>/dev/null');
            }
         } else {
            //if($app->system->is_mounted($data['old']['document_root'].'/'.$log_folder)) exec('umount '.escapeshellarg($data['old']['document_root'].'/'.$log_folder));
            exec('umount '.escapeshellarg($data['old']['document_root'].'/'.$log_folder).' 2>/dev/null');
         }
      }
      
      //* remove mountpoint from fstab
      $fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$log_folder.'    none    bind';
      $app->system->removeLine('/etc/fstab',$fstab_line);
      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']['parent_domain_id'] > 0) {
         //* This is a alias domain or subdomain, so we have to update the website instead
@@ -1810,11 +1973,11 @@
            $vhost_logfile_dir = escapeshellcmd('/var/log/ispconfig/httpd/'.$data['old']['domain']);
            if($data['old']['domain'] != '' && !stristr($vhost_logfile_dir,'..')) exec('rm -rf '.$vhost_logfile_dir);
            $app->log('Removing website logfile directory: '.$vhost_logfile_dir,LOGLEVEL_DEBUG);
            

            if($data['old']['type'] == 'vhost') {
                //delete the web user
                $command = 'userdel';
                $command .= ' '.$data['old']['system_user'];
                $command = 'killall -u '.escapeshellcmd($data['old']['system_user']).' ; userdel';
                $command .= ' '.escapeshellcmd($data['old']['system_user']);
                exec($command);
                if($nginx_chrooted) $this->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' '.$command);
                
@@ -2324,6 +2487,15 @@
      }
   }
   
   private function nginx_replace($matches){
      $location = 'location'.($matches[1] != '' ? ' '.$matches[1] : '').' '.$matches[2].' '.$matches[3];
      if($matches[4] == '##merge##' || $matches[7] == '##merge##') $location .= ' ##merge##';
      $location .= "\n";
      $location .= $matches[5]."\n";
      $location .= $matches[6];
      return $location;
   }
	
   private function nginx_merge_locations($vhost_conf){

      $lines = explode("\n", $vhost_conf);
@@ -2332,7 +2504,14 @@
      if(is_array($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]);
@@ -2348,6 +2527,9 @@
                  $lines[$h] = substr($lines[$h],0,strpos($lines[$h], '{')).' ##merge##'.substr($lines[$h],strpos($lines[$h], '{')+1);
               }
            }
            */
            $pattern = '/^[^\S\n]*location[^\S\n]+(?:(.+)[^\S\n]+)?(.+)[^\S\n]*(\{)[^\S\n]*(##merge##)?[^\S\n]*(.+)[^\S\n]*(\})[^\S\n]*(##merge##)?[^\S\n]*$/';
            $lines[$h] = preg_replace_callback($pattern, array($this, 'nginx_replace') ,$lines[$h]);
         }
      }
      $vhost_conf = implode("\n", $lines);
@@ -2439,12 +2621,25 @@
         
         $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);
         }
         
         $this->_exec('groupdel client'.$client_id);
         $app->log('Removed group client'.$client_id,LOGLEVEL_DEBUG);
         if($app->system->is_group('client'.$client_id)){
            $this->_exec('groupdel client'.$client_id);
            $app->log('Removed group client'.$client_id,LOGLEVEL_DEBUG);
         }
      }
      
   }