function LinkExternalProtocolsConstraintValidator::validate

File

core/modules/link/src/Plugin/Validation/Constraint/LinkExternalProtocolsConstraintValidator.php, line 17

Class

LinkExternalProtocolsConstraintValidator

Validates the LinkExternalProtocols constraint.

Namespace

Code

public function validate($value, Constraint $constraint) : void {
    if (isset($value)) {
        try {
            
            /** @var \Drupal\Core\Url $url */
            $url = $value->getUrl();
        } catch (\InvalidArgumentException $e) {
            return;
        }
        // Disallow external URLs using untrusted protocols.
        if ($url->isExternal() && !in_array(parse_url($url->getUri(), PHP_URL_SCHEME), UrlHelper::getAllowedProtocols())) {
            $this->context
                ->addViolation($constraint->message, [
                '@uri' => $value->uri,
            ]);
        }
    }
}