FilterTestRestrictTagsAndAttributes.php in Drupal 8
File
core/modules/filter/tests/filter_test/src/Plugin/Filter/FilterTestRestrictTagsAndAttributes.php
View source
<?php
namespace Drupal\filter_test\Plugin\Filter;
use Drupal\filter\FilterProcessResult;
use Drupal\filter\Plugin\FilterBase;
use Drupal\Component\Utility\Xss;
class FilterTestRestrictTagsAndAttributes extends FilterBase {
public function process($text, $langcode) {
$allowed_tags = array_filter($this->settings['restrictions']['allowed'], function ($value) {
return is_array($value) || (bool) $value !== FALSE;
});
return new FilterProcessResult(Xss::filter($text, array_keys($allowed_tags)));
}
public function getHTMLRestrictions() {
$restrictions = $this->settings['restrictions'];
if (isset($restrictions['allowed'])) {
foreach ($restrictions['allowed'] as $tag => $attrs_or_bool) {
if (!is_array($attrs_or_bool)) {
$restrictions['allowed'][$tag] = (bool) $attrs_or_bool;
}
else {
foreach ($attrs_or_bool as $attr => $attrvals_or_bool) {
if (!is_array($attrvals_or_bool)) {
$restrictions['allowed'][$tag][$attr] = (bool) $attrvals_or_bool;
}
else {
foreach ($attrvals_or_bool as $attrval => $bool) {
$restrictions['allowed'][$tag][$attr][$attrval] = (bool) $bool;
}
}
}
}
}
}
if (isset($restrictions['forbidden_tags'])) {
foreach ($restrictions['forbidden_tags'] as $tag => $bool) {
$restrictions['forbidden_tags'][$tag] = (bool) $bool;
}
}
return $restrictions;
}
}