Merge pull request #481 from wallabag/dev1.5.2

1.5.2

1 files changed, 112 insertions, 0 deletions

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/URIDefinition.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/URIDefinition.php
new file mode 100644
index 00000000..dbc2a752
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/URIDefinition.php
@@ -0,0 +1,112 @@
+<?php

+

+class HTMLPurifier_URIDefinition extends HTMLPurifier_Definition

+{

+

+    public $type = 'URI';

+    protected $filters = array();

+    protected $postFilters = array();

+    protected $registeredFilters = array();

+

+    /**

+     * HTMLPurifier_URI object of the base specified at %URI.Base

+     */

+    public $base;

+

+    /**

+     * String host to consider "home" base, derived off of $base

+     */

+    public $host;

+

+    /**

+     * Name of default scheme based on %URI.DefaultScheme and %URI.Base

+     */

+    public $defaultScheme;

+

+    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)

+    {

+        $this->registeredFilters[$filter->name] = $filter;

+    }

+

+    public function addFilter($filter, $config)

+    {

+        $r = $filter->prepare($config);

+        if ($r === false) return; // null is ok, for backwards compat

+        if ($filter->post) {

+            $this->postFilters[$filter->name] = $filter;

+        } else {

+            $this->filters[$filter->name] = $filter;

+        }

+    }

+

+    protected function doSetup($config)

+    {

+        $this->setupMemberVariables($config);

+        $this->setupFilters($config);

+    }

+

+    protected function setupFilters($config)

+    {

+        foreach ($this->registeredFilters as $name => $filter) {

+            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)

+    {

+        $this->host = $config->get('URI.Host');

+        $base_uri = $config->get('URI.Base');

+        if (!is_null($base_uri)) {

+            $parser = new HTMLPurifier_URIParser();

+            $this->base = $parser->parse($base_uri);

+            $this->defaultScheme = $this->base->scheme;

+            if (is_null($this->host)) $this->host = $this->base->host;

+        }

+        if (is_null($this->defaultScheme)) $this->defaultScheme = $config->get('URI.DefaultScheme');

+    }

+

+    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;

+        }

+        return true;

+    }

+

+    public function postFilter(&$uri, $config, $context)

+    {

+        foreach ($this->postFilters as $name => $f) {

+            $result = $f->filter($uri, $config, $context);

+            if (!$result) return false;

+        }

+        return true;

+    }

+

+}

+

+// vim: et sw=4 sts=4