Mercurial > hg > isophonics-drupal-site
view vendor/symfony/validator/Constraints/ExpressionValidator.php @ 13:5fb285c0d0e3
Update Drupal core to 8.4.7 via Composer. Security update; I *think* we've
been lucky to get away with this so far, as we don't support self-registration
which seems to be used by the so-called "drupalgeddon 2" attack that 8.4.5
was vulnerable to.
author | Chris Cannam |
---|---|
date | Mon, 23 Apr 2018 09:33:26 +0100 |
parents | 4c8ae668cc8c |
children | 1fec387a4317 |
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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Validator\Constraints; use Symfony\Component\ExpressionLanguage\ExpressionLanguage; use Symfony\Component\Validator\Constraint; use Symfony\Component\Validator\ConstraintValidator; use Symfony\Component\Validator\Exception\RuntimeException; use Symfony\Component\Validator\Exception\UnexpectedTypeException; /** * @author Fabien Potencier <fabien@symfony.com> * @author Bernhard Schussek <bschussek@symfony.com> */ class ExpressionValidator extends ConstraintValidator { /** * @var ExpressionLanguage */ private $expressionLanguage; public function __construct($propertyAccessor = null, ExpressionLanguage $expressionLanguage = null) { $this->expressionLanguage = $expressionLanguage; } /** * {@inheritdoc} */ public function validate($value, Constraint $constraint) { if (!$constraint instanceof Expression) { throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Expression'); } $variables = array(); $variables['value'] = $value; $variables['this'] = $this->context->getObject(); if (!$this->getExpressionLanguage()->evaluate($constraint->expression, $variables)) { $this->context->buildViolation($constraint->message) ->setParameter('{{ value }}', $this->formatValue($value)) ->setCode(Expression::EXPRESSION_FAILED_ERROR) ->addViolation(); } } private function getExpressionLanguage() { if (null === $this->expressionLanguage) { if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) { throw new RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.'); } $this->expressionLanguage = new ExpressionLanguage(); } return $this->expressionLanguage; } }