From 37614a24f5add6d6753c9418cf6b2f08b8425ff3 Mon Sep 17 00:00:00 2001
From: ftimme <ft@falkotimme.com>
Date: Wed, 07 Aug 2013 10:39:00 -0400
Subject: [PATCH] - nginx: improved rewrite rule checks. - Added rewrite rule checks to nginx plugin.
---
server/plugins-available/nginx_plugin.inc.php | 80 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 80 insertions(+), 0 deletions(-)
diff --git a/server/plugins-available/nginx_plugin.inc.php b/server/plugins-available/nginx_plugin.inc.php
index 8fc016d..dc3c4df 100644
--- a/server/plugins-available/nginx_plugin.inc.php
+++ b/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
@@ -952,6 +953,85 @@
}
}
$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();
--
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