diff options
Diffstat (limited to 'library/vendor/HTMLPurifier/URIDefinition.php')
-rw-r--r-- | library/vendor/HTMLPurifier/URIDefinition.php | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/library/vendor/HTMLPurifier/URIDefinition.php b/library/vendor/HTMLPurifier/URIDefinition.php new file mode 100644 index 0000000..e0bd8bc --- /dev/null +++ b/library/vendor/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 |