1 files changed, 0 insertions, 115 deletions
diff --git a/library/HTMLPurifier/URIFilter/Munge.php b/library/HTMLPurifier/URIFilter/Munge.php
deleted file mode 100644
index 6e03315a1..000000000
--- a/library/HTMLPurifier/URIFilter/Munge.php
+++ /dev/null
@@ -1,115 +0,0 @@
-<?php
-
-class HTMLPurifier_URIFilter_Munge extends HTMLPurifier_URIFilter
-{
-    /**
-     * @type string
-     */
-    public $name = 'Munge';
-
-    /**
-     * @type bool
-     */
-    public $post = true;
-
-    /**
-     * @type string
-     */
-    private $target;
-
-    /**
-     * @type HTMLPurifier_URIParser
-     */
-    private $parser;
-
-    /**
-     * @type bool
-     */
-    private $doEmbed;
-
-    /**
-     * @type string
-     */
-    private $secretKey;
-
-    /**
-     * @type array
-     */
-    protected $replace = array();
-
-    /**
-     * @param HTMLPurifier_Config $config
-     * @return bool
-     */
-    public function prepare($config)
-    {
-        $this->target = $config->get('URI.' . $this->name);
-        $this->parser = new HTMLPurifier_URIParser();
-        $this->doEmbed = $config->get('URI.MungeResources');
-        $this->secretKey = $config->get('URI.MungeSecretKey');
-        if ($this->secretKey && !function_exists('hash_hmac')) {
-            throw new Exception("Cannot use %URI.MungeSecretKey without hash_hmac support.");
-        }
-        return true;
-    }
-
-    /**
-     * @param HTMLPurifier_URI $uri
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return bool
-     */
-    public function filter(&$uri, $config, $context)
-    {
-        if ($context->get('EmbeddedURI', true) && !$this->doEmbed) {
-            return true;
-        }
-
-        $scheme_obj = $uri->getSchemeObj($config, $context);
-        if (!$scheme_obj) {
-            return true;
-        } // ignore unknown schemes, maybe another postfilter did it
-        if (!$scheme_obj->browsable) {
-            return true;
-        } // ignore non-browseable schemes, since we can't munge those in a reasonable way
-        if ($uri->isBenign($config, $context)) {
-            return true;
-        } // don't redirect if a benign URL
-
-        $this->makeReplace($uri, $config, $context);
-        $this->replace = array_map('rawurlencode', $this->replace);
-
-        $new_uri = strtr($this->target, $this->replace);
-        $new_uri = $this->parser->parse($new_uri);
-        // don't redirect if the target host is the same as the
-        // starting host
-        if ($uri->host === $new_uri->host) {
-            return true;
-        }
-        $uri = $new_uri; // overwrite
-        return true;
-    }
-
-    /**
-     * @param HTMLPurifier_URI $uri
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     */
-    protected function makeReplace($uri, $config, $context)
-    {
-        $string = $uri->toString();
-        // always available
-        $this->replace['%s'] = $string;
-        $this->replace['%r'] = $context->get('EmbeddedURI', true);
-        $token = $context->get('CurrentToken', true);
-        $this->replace['%n'] = $token ? $token->name : null;
-        $this->replace['%m'] = $context->get('CurrentAttr', true);
-        $this->replace['%p'] = $context->get('CurrentCSSProperty', true);
-        // not always available
-        if ($this->secretKey) {
-            $this->replace['%t'] = hash_hmac("sha256", $string, $this->secretKey);
-        }
-    }
-}
-
-// vim: et sw=4 sts=4