diff options
Diffstat (limited to 'lib/htmlpurifier/library/HTMLPurifier/URIFilter/Munge.php')
-rw-r--r-- | lib/htmlpurifier/library/HTMLPurifier/URIFilter/Munge.php | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/lib/htmlpurifier/library/HTMLPurifier/URIFilter/Munge.php b/lib/htmlpurifier/library/HTMLPurifier/URIFilter/Munge.php deleted file mode 100644 index de695df14..000000000 --- a/lib/htmlpurifier/library/HTMLPurifier/URIFilter/Munge.php +++ /dev/null @@ -1,53 +0,0 @@ -<?php - -class HTMLPurifier_URIFilter_Munge extends HTMLPurifier_URIFilter -{ - public $name = 'Munge'; - public $post = true; - private $target, $parser, $doEmbed, $secretKey; - - protected $replace = array(); - - public function prepare($config) { - $this->target = $config->get('URI.' . $this->name); - $this->parser = new HTMLPurifier_URIParser(); - $this->doEmbed = $config->get('URI.MungeResources'); - $this->secretKey = $config->get('URI.MungeSecretKey'); - return true; - } - public function filter(&$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 = $new_uri; // overwrite - return true; - } - - protected function makeReplace($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) $this->replace['%t'] = sha1($this->secretKey . ':' . $string); - } - -} - -// vim: et sw=4 sts=4 |