Merged revisions 4069-4117 from stable branch.

tbrehm

2013-08-21 7b47c0aa0aeee6f059f00008e36cc210ca89ecb9

 server/plugins-available/nginx_plugin.inc.php

@@ -940,6 +940,7 @@
      if($vhost_data['php'] == 'fast-cgi') $vhost_data['php'] = 'php-fpm';
      
      // Custom rewrite rules
      /*
      $final_rewrite_rules = array();
      $custom_rewrite_rules = $data['new']['rewrite_rules'];
      // Make sure we only have Unix linebreaks
@@ -949,6 +950,85 @@
      if(is_array($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', $final_rewrite_rules);
@@ -1538,7 +1618,7 @@
      if($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);

         $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);
@@ -1548,15 +1628,19 @@
      
         //* 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);
         $app->log('nginx online status after restart is: '.($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", $tmp_output),LOGLEVEL_WARN);
               if($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');