1 files changed, 29 insertions, 10 deletions

diff --git a/library/HTMLPurifier/URIDefinition.php b/library/HTMLPurifier/URIDefinition.php
index ea2b8fe24..e0bd8bcca 100644
--- a/library/HTMLPurifier/URIDefinition.php
+++ b/library/HTMLPurifier/URIDefinition.php
@@ -23,19 +23,24 @@ class HTMLPurifier_URIDefinition extends HTMLPurifier_Definition
      */
     public $defaultScheme;
 
-    public function __construct() {
+    public function __construct()
+    {
         $this->registerFilter(new HTMLPurifier_URIFilter_DisableExternal());
         $this->registerFilter(new HTMLPurifier_URIFilter_DisableExternalResources());
+        $this->registerFilter(new HTMLPurifier_URIFilter_DisableResources());
         $this->registerFilter(new HTMLPurifier_URIFilter_HostBlacklist());
+        $this->registerFilter(new HTMLPurifier_URIFilter_SafeIframe());
         $this->registerFilter(new HTMLPurifier_URIFilter_MakeAbsolute());
         $this->registerFilter(new HTMLPurifier_URIFilter_Munge());
     }
 
-    public function registerFilter($filter) {
+    public function registerFilter($filter)
+    {
         $this->registeredFilters[$filter->name] = $filter;
     }
 
-    public function addFilter($filter, $config) {
+    public function addFilter($filter, $config)
+    {
         $r = $filter->prepare($config);
         if ($r === false) return; // null is ok, for backwards compat
         if ($filter->post) {
@@ -45,22 +50,29 @@ class HTMLPurifier_URIDefinition extends HTMLPurifier_Definition
         }
     }
 
-    protected function doSetup($config) {
+    protected function doSetup($config)
+    {
         $this->setupMemberVariables($config);
         $this->setupFilters($config);
     }
 
-    protected function setupFilters($config) {
+    protected function setupFilters($config)
+    {
         foreach ($this->registeredFilters as $name => $filter) {
-            $conf = $config->get('URI.' . $name);
-            if ($conf !== false && $conf !== null) {
+            if ($filter->always_load) {
                 $this->addFilter($filter, $config);
+            } else {
+                $conf = $config->get('URI.' . $name);
+                if ($conf !== false && $conf !== null) {
+                    $this->addFilter($filter, $config);
+                }
             }
         }
         unset($this->registeredFilters);
     }
 
-    protected function setupMemberVariables($config) {
+    protected function setupMemberVariables($config)
+    {
         $this->host = $config->get('URI.Host');
         $base_uri = $config->get('URI.Base');
         if (!is_null($base_uri)) {
@@ -72,7 +84,13 @@ class HTMLPurifier_URIDefinition extends HTMLPurifier_Definition
         if (is_null($this->defaultScheme)) $this->defaultScheme = $config->get('URI.DefaultScheme');
     }
 
-    public function filter(&$uri, $config, $context) {
+    public function getDefaultScheme($config, $context)
+    {
+        return HTMLPurifier_URISchemeRegistry::instance()->getScheme($this->defaultScheme, $config, $context);
+    }
+
+    public function filter(&$uri, $config, $context)
+    {
         foreach ($this->filters as $name => $f) {
             $result = $f->filter($uri, $config, $context);
             if (!$result) return false;
@@ -80,7 +98,8 @@ class HTMLPurifier_URIDefinition extends HTMLPurifier_Definition
         return true;
     }
 
-    public function postFilter(&$uri, $config, $context) {
+    public function postFilter(&$uri, $config, $context)
+    {
         foreach ($this->postFilters as $name => $f) {
             $result = $f->filter($uri, $config, $context);
             if (!$result) return false;