From aa78fde6a92f66b84d626e114d8b54a5fb6ece0c Mon Sep 17 00:00:00 2001
From: ftimme <ft@falkotimme.com>
Date: Wed, 14 Nov 2012 07:19:43 -0500
Subject: [PATCH] - Added function for IPv6 prefixes in multiserver mirror setups to nginx plugin.

---
 server/plugins-available/nginx_plugin.inc.php |  351 ++++++++++++++++++++++++----------------------------------
 1 files changed, 144 insertions(+), 207 deletions(-)

diff --git a/server/plugins-available/nginx_plugin.inc.php b/server/plugins-available/nginx_plugin.inc.php
index e5920ad..60a1e55 100644
--- a/server/plugins-available/nginx_plugin.inc.php
+++ b/server/plugins-available/nginx_plugin.inc.php
@@ -833,7 +833,21 @@
 		$vhost_data['web_basedir'] = $web_config['website_basedir'];
 		
 		// IPv6
-		if($data['new']['ipv6_address'] != '') $tpl->setVar('ipv6_enabled', 1);
+		if($data['new']['ipv6_address'] != ''){
+			$tpl->setVar('ipv6_enabled', 1);
+			if ($conf['serverconfig']['web']['vhost_rewrite_v6'] == 'y') {
+				if (isset($conf['serverconfig']['server']['v6_prefix']) && $conf['serverconfig']['server']['v6_prefix'] <> '') {
+					$explode_v6prefix=explode(':',$conf['serverconfig']['server']['v6_prefix']);
+					$explode_v6=explode(':',$data['new']['ipv6_address']);
+
+					for ( $i = 0; $i <= count($explode_v6prefix)-3; $i++ ) {
+				        $explode_v6[$i] = $explode_v6prefix[$i];
+					}
+					$data['new']['ipv6_address'] = implode(':',$explode_v6);
+					$vhost_data['ipv6_address'] = $data['new']['ipv6_address'];
+				}
+			}
+		}
 		
 		// PHP-FPM
 		// Support for multiple PHP versions
@@ -922,40 +936,13 @@
 		// Set SEO Redirect
 		if($data['new']['seo_redirect'] != ''){
 			$vhost_data['seo_redirect_enabled'] = 1;
-			if($data['new']['subdomain'] == 'www' || $data['new']['subdomain'] == '*'){
-				if($data['new']['seo_redirect'] == 'non_www_to_www'){
-					$vhost_data['seo_redirect_origin_domain'] = $data['new']['domain'];
-					$vhost_data['seo_redirect_target_domain'] = 'www.'.$data['new']['domain'];
-					$vhost_data['seo_redirect_operator'] = '=';
+			$tmp_seo_redirects = $this->get_seo_redirects($data['new']);
+			if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
+				foreach($tmp_seo_redirects as $key => $val){
+					$vhost_data[$key] = $val;
 				}
-				if($data['new']['seo_redirect'] == '*_domain_tld_to_www_domain_tld'){
-					// ^(example\.com|(?!\bwww\b)\.example\.com)$
-					// ^(example\.com|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.example\.com))$
-					$vhost_data['seo_redirect_origin_domain'] = '^('.str_replace('.', '\.', $data['new']['domain']).'|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.'.str_replace('.', '\.', $data['new']['domain']).'))$';
-					$vhost_data['seo_redirect_target_domain'] = 'www.'.$data['new']['domain'];
-					$vhost_data['seo_redirect_operator'] = '~*';
-				}
-				if($data['new']['seo_redirect'] == '*_to_www_domain_tld'){
-					$vhost_data['seo_redirect_origin_domain'] = 'www.'.$data['new']['domain'];
-					$vhost_data['seo_redirect_target_domain'] = $vhost_data['seo_redirect_origin_domain'];
-					$vhost_data['seo_redirect_operator'] = '!=';
-				}
-			}
-			if($data['new']['seo_redirect'] == 'www_to_non_www'){
-				$vhost_data['seo_redirect_origin_domain'] = 'www.'.$data['new']['domain'];
-				$vhost_data['seo_redirect_target_domain'] = $data['new']['domain'];
-				$vhost_data['seo_redirect_operator'] = '=';
-			}
-			if($data['new']['seo_redirect'] == '*_domain_tld_to_domain_tld'){
-				// ^(.+)\.example\.com$
-				$vhost_data['seo_redirect_origin_domain'] = '^(.+)\.'.str_replace('.', '\.', $data['new']['domain']).'$';
-				$vhost_data['seo_redirect_target_domain'] = $data['new']['domain'];
-				$vhost_data['seo_redirect_operator'] = '~*';
-			}
-			if($data['new']['seo_redirect'] == '*_to_domain_tld'){
-				$vhost_data['seo_redirect_origin_domain'] = $data['new']['domain'];
-				$vhost_data['seo_redirect_target_domain'] = $vhost_data['seo_redirect_origin_domain'];
-				$vhost_data['seo_redirect_operator'] = '!=';
+			} else {
+				$vhost_data['seo_redirect_enabled'] = 0;
 			}
 		} else {
 			$vhost_data['seo_redirect_enabled'] = 0;
@@ -1201,41 +1188,10 @@
 					$app->log('Add server alias: '.$alias['domain'],LOGLEVEL_DEBUG);
 					
 					// Add SEO redirects for alias domains
-					if($alias['seo_redirect'] != ''){
-						if($alias['subdomain'] == 'www' || $alias['subdomain'] == '*'){
-							if($alias['seo_redirect'] == 'non_www_to_www'){
-								$alias_seo_redirects[] = array(	'alias_seo_redirect_origin_domain' 	=> $alias['domain'],
-																'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																'alias_seo_redirect_operator' 	=> '=');
-							}
-							if($alias['seo_redirect'] == '*_domain_tld_to_www_domain_tld'){
-								// ^(example\.com|(?!\bwww\b)\.example\.com)$
-								// ^(example\.com|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.example\.com))$
-								$alias_seo_redirects[] = array(	'alias_seo_redirect_origin_domain' 	=> '^('.str_replace('.', '\.', $alias['domain']).'|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.'.str_replace('.', '\.', $alias['domain']).'))$',
-																'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																'alias_seo_redirect_operator' 	=> '~*');
-							}
-							if($alias['seo_redirect'] == '*_to_www_domain_tld'){
-								$alias_seo_redirects[] = array(	'alias_seo_redirect_origin_domain' 	=> 'www.'.$alias['domain'],
-																'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-															'alias_seo_redirect_operator' 	=> '!=');
-							}
-						}
-						if($alias['seo_redirect'] == 'www_to_non_www'){
-							$alias_seo_redirects[] = array(	'alias_seo_redirect_origin_domain' 	=> 'www.'.$alias['domain'],
-															'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-															'alias_seo_redirect_operator' 	=> '=');
-						}
-						if($alias['seo_redirect'] == '*_domain_tld_to_domain_tld'){
-							// ^(.+)\.example\.com$
-							$alias_seo_redirects[] = array(	'alias_seo_redirect_origin_domain' 	=> '^(.+)\.'.str_replace('.', '\.', $alias['domain']).'$',
-															'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-															'alias_seo_redirect_operator' 	=> '~*');
-						}
-						if($alias['seo_redirect'] == '*_to_domain_tld'){
-							$alias_seo_redirects[] = array(	'alias_seo_redirect_origin_domain' 	=> $alias['domain'],
-															'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-															'alias_seo_redirect_operator' 	=> '!=');
+					if($alias['seo_redirect'] != '' && $data['new']['seo_redirect'] != '*_to_www_domain_tld' && $data['new']['seo_redirect'] != '*_to_domain_tld' && ($alias['type'] == 'alias' || ($alias['type'] == 'subdomain' && $data['new']['seo_redirect'] != '*_domain_tld_to_www_domain_tld' && $data['new']['seo_redirect'] != '*_domain_tld_to_domain_tld'))){
+						$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_');
+						if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
+							$alias_seo_redirects[] = $tmp_seo_redirects;
 						}
 					}
 				}
@@ -1274,40 +1230,9 @@
 							// Add SEO redirects for alias domains
 							$alias_seo_redirects2 = array();
 							if($alias['seo_redirect'] != ''){
-								if($alias['subdomain'] == 'www' || $alias['subdomain'] == '*'){
-									if($alias['seo_redirect'] == 'non_www_to_www'){
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> $alias['domain'],
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '=');
-									}
-									if($alias['seo_redirect'] == '*_domain_tld_to_www_domain_tld'){
-										// ^(example\.com|(?!\bwww\b)\.example\.com)$
-										// ^(example\.com|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.example\.com))$
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> '^('.str_replace('.', '\.', $alias['domain']).'|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.'.str_replace('.', '\.', $alias['domain']).'))$',
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '~*');
-									}
-									if($alias['seo_redirect'] == '*_to_www_domain_tld'){
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '!=');
-									}
-								}
-								if($alias['seo_redirect'] == 'www_to_non_www'){
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> 'www.'.$alias['domain'],
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '=');
-								}
-								if($alias['seo_redirect'] == '*_domain_tld_to_domain_tld'){
-									// ^(.+)\.example\.com$
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> '^(.+)\.'.str_replace('.', '\.', $alias['domain']).'$',
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '~*');
-								}
-								if($alias['seo_redirect'] == '*_to_domain_tld'){
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '!=');
+								$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_', 'none');
+								if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
+									$alias_seo_redirects2[] = $tmp_seo_redirects;
 								}
 							}
 							$rewrite_rules[] = array(	'rewrite_domain' 	=> $alias['domain'],
@@ -1341,40 +1266,9 @@
 							// Add SEO redirects for alias domains
 							$alias_seo_redirects2 = array();
 							if($alias['seo_redirect'] != ''){
-								if($alias['subdomain'] == 'www' || $alias['subdomain'] == '*'){
-									if($alias['seo_redirect'] == 'non_www_to_www'){
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> $alias['domain'],
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '=');
-									}
-									if($alias['seo_redirect'] == '*_domain_tld_to_www_domain_tld'){
-										// ^(example\.com|(?!\bwww\b)\.example\.com)$
-										// ^(example\.com|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.example\.com))$
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> '^('.str_replace('.', '\.', $alias['domain']).'|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.'.str_replace('.', '\.', $alias['domain']).'))$',
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '~*');
-									}
-									if($alias['seo_redirect'] == '*_to_www_domain_tld'){
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '!=');
-									}
-								}
-								if($alias['seo_redirect'] == 'www_to_non_www'){
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> 'www.'.$alias['domain'],
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '=');
-								}
-								if($alias['seo_redirect'] == '*_domain_tld_to_domain_tld'){
-									// ^(.+)\.example\.com$
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> '^(.+)\.'.str_replace('.', '\.', $alias['domain']).'$',
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '~*');
-								}
-								if($alias['seo_redirect'] == '*_to_domain_tld'){
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '!=');
+								$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_', 'www');
+								if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
+									$alias_seo_redirects2[] = $tmp_seo_redirects;
 								}
 							}
 							$rewrite_rules[] = array(	'rewrite_domain' 	=> 'www.'.$alias['domain'],
@@ -1408,43 +1302,12 @@
 							// Add SEO redirects for alias domains
 							$alias_seo_redirects2 = array();
 							if($alias['seo_redirect'] != ''){
-								if($alias['subdomain'] == 'www' || $alias['subdomain'] == '*'){
-									if($alias['seo_redirect'] == 'non_www_to_www'){
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> $alias['domain'],
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '=');
-									}
-									if($alias['seo_redirect'] == '*_domain_tld_to_www_domain_tld'){
-										// ^(example\.com|(?!\bwww\b)\.example\.com)$
-										// ^(example\.com|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.example\.com))$
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> '^('.str_replace('.', '\.', $alias['domain']).'|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.'.str_replace('.', '\.', $alias['domain']).'))$',
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '~*');
-									}
-									if($alias['seo_redirect'] == '*_to_www_domain_tld'){
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '!=');
-									}
-								}
-								if($alias['seo_redirect'] == 'www_to_non_www'){
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> 'www.'.$alias['domain'],
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '=');
-								}
-								if($alias['seo_redirect'] == '*_domain_tld_to_domain_tld'){
-									// ^(.+)\.example\.com$
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> '^(.+)\.'.str_replace('.', '\.', $alias['domain']).'$',
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '~*');
-								}
-								if($alias['seo_redirect'] == '*_to_domain_tld'){
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '!=');
+								$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_');
+								if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
+									$alias_seo_redirects2[] = $tmp_seo_redirects;
 								}
 							}
-							$rewrite_rules[] = array(	'rewrite_domain' 	=> '*.' . $alias['domain'],
+							$rewrite_rules[] = array(	'rewrite_domain' 	=> $alias['domain'].' *.'.$alias['domain'],
 								'rewrite_type' 		=> ($alias['redirect_type'] == 'no')?'':$alias['redirect_type'],
 								'rewrite_target' 	=> $alias['redirect_path'],
 								'rewrite_subdir'	=> $rewrite_subdir,
@@ -1477,40 +1340,13 @@
 							// Add SEO redirects for alias domains
 							$alias_seo_redirects2 = array();
 							if($alias['seo_redirect'] != ''){
-								if($alias['subdomain'] == 'www' || $alias['subdomain'] == '*'){
-									if($alias['seo_redirect'] == 'non_www_to_www'){
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> $alias['domain'],
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '=');
-									}
-									if($alias['seo_redirect'] == '*_domain_tld_to_www_domain_tld'){
-										// ^(example\.com|(?!\bwww\b)\.example\.com)$
-										// ^(example\.com|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.example\.com))$
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> '^('.str_replace('.', '\.', $alias['domain']).'|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.'.str_replace('.', '\.', $alias['domain']).'))$',
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '~*');
-									}
-									if($alias['seo_redirect'] == '*_to_www_domain_tld'){
-										$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_target_domain' 	=> 'www.'.$alias['domain'],
-																			'alias_seo_redirect_operator' 	=> '!=');
-									}
+								if(substr($alias['domain'], 0, 2) === '*.'){
+									$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_');
+								} else {
+									$tmp_seo_redirects = $this->get_seo_redirects($alias, 'alias_', 'none');
 								}
-								if($alias['seo_redirect'] == 'www_to_non_www'){
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> 'www.'.$alias['domain'],
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '=');
-								}
-								if($alias['seo_redirect'] == '*_domain_tld_to_domain_tld'){
-									// ^(.+)\.example\.com$
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> '^(.+)\.'.str_replace('.', '\.', $alias['domain']).'$',
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '~*');
-								}
-								if($alias['seo_redirect'] == '*_to_domain_tld'){
-									$alias_seo_redirects2[] = array(	'alias_seo_redirect_origin_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_target_domain' 	=> $alias['domain'],
-																		'alias_seo_redirect_operator' 	=> '!=');
+								if(is_array($tmp_seo_redirects) && !empty($tmp_seo_redirects)){
+									$alias_seo_redirects2[] = $tmp_seo_redirects;
 								}
 							}
 							$rewrite_rules[] = array(	'rewrite_domain' 	=> $domain_rule,
@@ -1797,8 +1633,63 @@
             if($data['old']['type'] == 'vhost' || $data['old']['type'] == 'vhostsubdomain') {
                 $docroot = escapeshellcmd($data['old']['document_root']);
                 if($docroot != '' && !stristr($docroot,'..')) {
-                    if($data['old']['type'] == 'vhost') exec('rm -rf '.$docroot);
-                    elseif(!stristr($data['old']['web_folder'], '..')) exec('rm -rf '.$docroot.'/'.$web_folder);
+                    if($data['old']['type'] == 'vhost') {
+                        // this is a vhost - we delete everything in here.
+                        exec('rm -rf '.$docroot);
+                    } elseif(!stristr($data['old']['web_folder'], '..')) {
+                        // this is a vhost subdomain
+                        // IMPORTANT: do some folder checks before we delete this!
+                        $do_delete = true;
+                        $delete_folder = preg_replace('/[\/]{2,}/', '/', $web_folder); // replace / occuring multiple times
+                        if(substr($delete_folder, 0, 1) === '/') $delete_folder = substr($delete_folder, 1);
+                        if(substr($delete_folder, -1) === '/') $delete_folder = substr($delete_folder, 0, -1);
+                        
+                        $path_elements = explode('/', $delete_folder);
+                        
+                        if($path_elements[0] == 'web' || $path_elements[0] === '') {
+                            // paths beginning with /web should NEVER EVER be deleted, empty paths should NEVER occur - but for safety reasons we check it here!
+                            // we use strict check as otherwise directories named '0' may not be deleted
+                            $do_delete = false;
+                        } else {
+                            // read all vhost subdomains with same parent domain
+                            $used_paths = array();
+                            $tmp = $app->db->queryAllRecords("SELECT `web_folder` FROM web_domain WHERE type = 'vhostsubdomain' AND parent_domain_id = ".intval($data['old']['parent_domain_id'])." AND domain_id != ".intval($data['old']['domain_id']));
+                            foreach($tmp as $tmprec) {
+                                // we normalize the folder entries because we need to compare them
+                                $tmp_folder = preg_replace('/[\/]{2,}/', '/', $tmprec['web_folder']); // replace / occuring multiple times
+                                if(substr($tmp_folder, 0, 1) === '/') $tmp_folder = substr($tmp_folder, 1);
+                                if(substr($tmp_folder, -1) === '/') $tmp_folder = substr($tmp_folder, 0, -1);
+                                
+                                // add this path and it's parent paths to used_paths array
+                                while(strpos($tmp_folder, '/') !== false) {
+                                    if(in_array($tmp_folder, $used_paths) == false) $used_paths[] = $tmp_folder;
+                                    $tmp_folder = substr($tmp_folder, 0, strrpos($tmp_folder, '/'));
+                                }
+                                if(in_array($tmp_folder, $used_paths) == false) $used_paths[] = $tmp_folder;
+                            }
+                            unset($tmp);
+                            
+                            // loop and check if the path is still used and stop at first used one
+                            // set do_delete to false so nothing gets deleted if the web_folder itself is still used
+                            $do_delete = false;
+                            while(count($path_elements) > 0) {
+                                $tmp_folder = implode('/', $path_elements);
+                                if(in_array($tmp_folder, $used_paths) == true) break;
+                                
+                                // this path is not used - set it as path to delete, strip the last element from the array and set do_delete to true
+                                $delete_folder = $tmp_folder;
+                                $do_delete = true;
+                                array_pop($path_elements);
+                            }
+                            unset($tmp_folder);
+                            unset($used_paths);
+                        }
+                        
+                        if($do_delete === true && $delete_folder !== '') exec('rm -rf '.$docroot.'/'.$delete_folder);
+                        
+                        unset($delete_folder);
+                        unset($path_elements);
+                    }
                 }
 			
                 //remove the php fastgi starter script if available
@@ -2592,6 +2483,52 @@
 		
 		return false;
 	}
+	
+	private function get_seo_redirects($web, $prefix = '', $force_subdomain = false){
+		// $force_subdomain = 'none|www'
+		$seo_redirects = array();
+		
+		if(substr($web['domain'], 0, 2) === '*.') $web['subdomain'] = '*';
+		
+		if(($web['subdomain'] == 'www' || $web['subdomain'] == '*') && $force_subdomain != 'www'){
+			if($web['seo_redirect'] == 'non_www_to_www'){
+				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = $web['domain'];
+				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
+				$seo_redirects[$prefix.'seo_redirect_operator'] = '=';
+			}
+			if($web['seo_redirect'] == '*_domain_tld_to_www_domain_tld'){
+				// ^(example\.com|(?!\bwww\b)\.example\.com)$
+				// ^(example\.com|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.example\.com))$
+				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = '^('.str_replace('.', '\.', $web['domain']).'|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.'.str_replace('.', '\.', $web['domain']).'))$';
+				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
+				$seo_redirects[$prefix.'seo_redirect_operator'] = '~*';
+			}
+			if($web['seo_redirect'] == '*_to_www_domain_tld'){
+				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = 'www.'.$web['domain'];
+				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
+				$seo_redirects[$prefix.'seo_redirect_operator'] = '!=';
+			}
+		}
+		if($force_subdomain != 'none'){
+			if($web['seo_redirect'] == 'www_to_non_www'){
+				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = 'www.'.$web['domain'];
+				$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
+				$seo_redirects[$prefix.'seo_redirect_operator'] = '=';
+			}
+			if($web['seo_redirect'] == '*_domain_tld_to_domain_tld'){
+				// ^(.+)\.example\.com$
+				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = '^(.+)\.'.str_replace('.', '\.', $web['domain']).'$';
+				$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
+				$seo_redirects[$prefix.'seo_redirect_operator'] = '~*';
+			}
+			if($web['seo_redirect'] == '*_to_domain_tld'){
+				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = $web['domain'];
+				$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
+				$seo_redirects[$prefix.'seo_redirect_operator'] = '!=';
+			}
+		}
+		return $seo_redirects;
+	}
 
 } // end class
 

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