From 039a16fe10662fa6bfdc8d5d8bdcd7cfc7fadac4 Mon Sep 17 00:00:00 2001
From: ftimme <ft@falkotimme.com>
Date: Fri, 11 Oct 2013 16:31:26 -0400
Subject: [PATCH] - Added nginx rewrite rules field to vhostsubdomains.

---
 interface/web/sites/form/web_vhost_subdomain.tform.php         |    8 ++++
 interface/web/sites/web_vhost_subdomain_edit.php               |   56 ++++++++++++++++++++++++++++
 interface/web/sites/lib/lang/en_web_vhost_subdomain.lng        |    4 ++
 interface/web/sites/templates/web_vhost_subdomain_redirect.htm |    4 ++
 interface/web/sites/lib/lang/de_web_vhost_subdomain.lng        |    4 ++
 5 files changed, 76 insertions(+), 0 deletions(-)

diff --git a/interface/web/sites/form/web_vhost_subdomain.tform.php b/interface/web/sites/form/web_vhost_subdomain.tform.php
index 190a55b..116428c 100644
--- a/interface/web/sites/form/web_vhost_subdomain.tform.php
+++ b/interface/web/sites/form/web_vhost_subdomain.tform.php
@@ -305,6 +305,14 @@
 			'default'	=> '',
 			'value'		=> array('' => 'no_redirect_txt', 'non_www_to_www' => 'domain.tld => www.domain.tld', 'www_to_non_www' => 'www.domain.tld => domain.tld', '*_domain_tld_to_domain_tld' => '*.doman.tld => domain.tld', '*_domain_tld_to_www_domain_tld' => '*.domain.tld => www.domain.tld', '*_to_domain_tld' => '* => domain.tld', '*_to_www_domain_tld' => '* => www.domain.tld')
 		),
+		'rewrite_rules' => array (
+			'datatype'	=> 'TEXT',
+			'formtype'	=> 'TEXT',
+			'default'	=> '',
+			'value'		=> '',
+			'width'		=> '30',
+			'maxlength'	=> '255'
+		),
 	##################################
 	# ENDE Datatable fields
 	##################################
diff --git a/interface/web/sites/lib/lang/de_web_vhost_subdomain.lng b/interface/web/sites/lib/lang/de_web_vhost_subdomain.lng
index a2e3f06..d128a5e 100644
--- a/interface/web/sites/lib/lang/de_web_vhost_subdomain.lng
+++ b/interface/web/sites/lib/lang/de_web_vhost_subdomain.lng
@@ -115,5 +115,9 @@
 $wb['available_nginx_directive_snippets_txt'] = 'Verfügbare nginx Direktiven Schnipsel:';
 $wb['proxy_directives_txt'] = 'Proxy Direktiven';
 $wb['available_proxy_directive_snippets_txt'] = 'Verfügbare Proxy Direktiven Schnipsel:';
+$wb['rewrite_rules_txt'] = 'Rewrite Rules';
+$wb['invalid_rewrite_rules_txt'] = 'Unzulässige Rewrite Rules';
+$wb['allowed_rewrite_rule_directives_txt'] = 'Erlaubte Direktiven:';
+$wb['configuration_error_txt'] = 'KONFIGURATIONSFEHLER';
 ?>
 
diff --git a/interface/web/sites/lib/lang/en_web_vhost_subdomain.lng b/interface/web/sites/lib/lang/en_web_vhost_subdomain.lng
index 82a3d25..ae88738 100644
--- a/interface/web/sites/lib/lang/en_web_vhost_subdomain.lng
+++ b/interface/web/sites/lib/lang/en_web_vhost_subdomain.lng
@@ -116,4 +116,8 @@
 $wb['available_nginx_directive_snippets_txt'] = 'Available nginx Directive Snippets:';
 $wb['proxy_directives_txt'] = 'Proxy Directives';
 $wb['available_proxy_directive_snippets_txt'] = 'Available Proxy Directive Snippets:';
+$wb['rewrite_rules_txt'] = 'Rewrite Rules';
+$wb['invalid_rewrite_rules_txt'] = 'Invalid Rewrite Rules';
+$wb['allowed_rewrite_rule_directives_txt'] = 'Allowed Directives:';
+$wb['configuration_error_txt'] = "CONFIGURATION ERROR";
 ?>
\ No newline at end of file
diff --git a/interface/web/sites/templates/web_vhost_subdomain_redirect.htm b/interface/web/sites/templates/web_vhost_subdomain_redirect.htm
index 5f44146..ef75582 100644
--- a/interface/web/sites/templates/web_vhost_subdomain_redirect.htm
+++ b/interface/web/sites/templates/web_vhost_subdomain_redirect.htm
@@ -21,6 +21,10 @@
                     {tmpl_var name='seo_redirect'}
                 </select>
             </div>
+			<div class="ctrlHolder nginx">
+                <label for="rewrite_rules">{tmpl_var name='rewrite_rules_txt'}</label>
+                <textarea name="rewrite_rules" id="rewrite_rules" rows='10' cols='50' style="width:400px;">{tmpl_var name='rewrite_rules'}</textarea>&nbsp;<b>{tmpl_var name="allowed_rewrite_rule_directives_txt"}</b><br><br>&nbsp;break<br>&nbsp;if<br>&nbsp;return<br>&nbsp;rewrite<br>&nbsp;set<br><br>&nbsp;<a href="http://wiki.nginx.org/HttpRewriteModule" target="_blank">http://wiki.nginx.org/HttpRewriteModule</a>
+            </div>
         </fieldset>
 
         <input type="hidden" name="id" value="{tmpl_var name='id'}">
diff --git a/interface/web/sites/web_vhost_subdomain_edit.php b/interface/web/sites/web_vhost_subdomain_edit.php
index f4ff2ab..0322726 100644
--- a/interface/web/sites/web_vhost_subdomain_edit.php
+++ b/interface/web/sites/web_vhost_subdomain_edit.php
@@ -482,6 +482,62 @@
 				$app->tform->errorMessage .= $app->tform->lng("error_php_fpm_pm_settings_txt").'<br>';
 			}
 		}
+		
+		// Check rewrite rules
+		$server_type = $web_config['server_type'];
+		
+		if($server_type == 'nginx' && isset($this->dataRecord['rewrite_rules']) && trim($this->dataRecord['rewrite_rules']) != '') {
+			$rewrite_rules = trim($this->dataRecord['rewrite_rules']);
+			$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
+			$rewrite_rules = str_replace("\r\n", "\n", $rewrite_rules);
+			$rewrite_rules = str_replace("\r", "\n", $rewrite_rules);
+			$rewrite_rule_lines = explode("\n", $rewrite_rules);
+			if(is_array($rewrite_rule_lines) && !empty($rewrite_rule_lines)){
+				foreach($rewrite_rule_lines as $rewrite_rule_line){
+					// ignore comments
+					if(substr(ltrim($rewrite_rule_line),0,1) == '#') continue;
+					// empty lines
+					if(trim($rewrite_rule_line) == '') continue;
+					// rewrite
+					if(preg_match('@^\s*rewrite\s+(^/)?\S+(\$)?\s+\S+(\s+(last|break|redirect|permanent|))?\s*;\s*$@', $rewrite_rule_line)) continue;
+					// if
+					if(preg_match('@^\s*if\s+\(\s*\$\S+(\s+(\!?(=|~|~\*))\s+(\S+|\".+\"))?\s*\)\s*\{\s*$@', $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*$@', $rewrite_rule_line)){
+						$if_level += 1;
+						continue;
+					}
+					// break
+					if(preg_match('@^\s*break\s*;\s*$@', $rewrite_rule_line)){
+						continue;
+					}
+					// return code [ text ]
+					if(preg_match('@^\s*return\s+\d\d\d.*;\s*$@', $rewrite_rule_line)) continue;
+					// return code URL
+					// return URL
+					if(preg_match('@^\s*return(\s+\d\d\d)?\s+(http|https|ftp)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&%\$\-]+)*\@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*\s*;\s*$@', $rewrite_rule_line)) continue;
+					// set
+					if(preg_match('@^\s*set\s+\$\S+\s+\S+\s*;\s*$@', $rewrite_rule_line)) continue;
+					// closing curly bracket
+					if(trim($rewrite_rule_line) == '}'){
+						$if_level -= 1;
+						continue;
+					}
+					$rewrites_are_valid = false;
+					break;
+				}
+			}
+			
+			if(!$rewrites_are_valid || $if_level != 0){
+				$app->tform->errorMessage .= $app->tform->lng("invalid_rewrite_rules_txt").'<br>';
+			}
+		}
 
 		parent::onSubmit();
 	}

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