public function HtmlPurifierFilter::settingsFormConfigurationValidate in HTML Purifier 8

Settings form validation callback for htmlpurifier_configuration element.

Parameters

$element:

\Drupal\Core\Form\FormStateInterface $form_state:

File

src/Plugin/Filter/HtmlPurifierFilter.php, line 101

Class

HtmlPurifierFilter

Plugin annotation @Filter( id = "htmlpurifier", title = @Translation("HTML Purifier"), description = @Translation("Removes malicious HTML code and ensures that the output is standards compliant."), type =…

Namespace

Drupal\htmlpurifier\Plugin\Filter

Code

public function settingsFormConfigurationValidate($element, FormStateInterface $form_state) {
  $values = $form_state
    ->getValue('filters');
  if (isset($values['htmlpurifier']['settings']['htmlpurifier_configuration'])) {
    $this->configErrors = [];

    // HTMLPurifier library uses triger_error() for not valid settings.
    set_error_handler([
      $this,
      'configErrorHandler',
    ]);
    try {
      $this
        ->applyPurifierConfig($values['htmlpurifier']['settings']['htmlpurifier_configuration']);
    } catch (\Exception $ex) {

      // This could be a malformed YAML or any other exception.
      $form_state
        ->setError($element, $ex
        ->getMessage());
    }
    restore_error_handler();
    if (!empty($this->configErrors)) {
      foreach ($this->configErrors as $error) {
        $form_state
          ->setError($element, $error);
      }
      $this->configErrors = [];
    }
  }
}