Add HTMLPurifier to extlib

HTMLPurifier defangs arbitrary submitted HTML. We're using it in the
OStatus plugin, but it may be valuable for other parts of the codebase
(I think OEmbed might benefit, for example).
This commit is contained in:
Evan Prodromou
2010-02-20 11:35:01 -05:00
parent ed45df045f
commit 81ea0f8117
322 changed files with 24205 additions and 0 deletions

View File

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<?php
/**
* Component of HTMLPurifier_AttrContext that accumulates IDs to prevent dupes
* @note In Slashdot-speak, dupe means duplicate.
* @note The default constructor does not accept $config or $context objects:
* use must use the static build() factory method to perform initialization.
*/
class HTMLPurifier_IDAccumulator
{
/**
* Lookup table of IDs we've accumulated.
* @public
*/
public $ids = array();
/**
* Builds an IDAccumulator, also initializing the default blacklist
* @param $config Instance of HTMLPurifier_Config
* @param $context Instance of HTMLPurifier_Context
* @return Fully initialized HTMLPurifier_IDAccumulator
*/
public static function build($config, $context) {
$id_accumulator = new HTMLPurifier_IDAccumulator();
$id_accumulator->load($config->get('Attr.IDBlacklist'));
return $id_accumulator;
}
/**
* Add an ID to the lookup table.
* @param $id ID to be added.
* @return Bool status, true if success, false if there's a dupe
*/
public function add($id) {
if (isset($this->ids[$id])) return false;
return $this->ids[$id] = true;
}
/**
* Load a list of IDs into the lookup table
* @param $array_of_ids Array of IDs to load
* @note This function doesn't care about duplicates
*/
public function load($array_of_ids) {
foreach ($array_of_ids as $id) {
$this->ids[$id] = true;
}
}
}
// vim: et sw=4 sts=4