vendor/liip/imagine-bundle/Imagine/Cache/Signer.php line 46

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  1. <?php
  3. /*
  4. * This file is part of the `liip/LiipImagineBundle` project.
  5. *
  6. * (c) https://github.com/liip/LiipImagineBundle/graphs/contributors
  7. *
  8. * For the full copyright and license information, please view the LICENSE.md
  9. * file that was distributed with this source code.
  10. */
  12. namespace Liip\ImagineBundle\Imagine\Cache;
  14. class Signer implements SignerInterface
  15. {
  16. /**
  17. * @var string
  18. */
  19. private $secret;
  21. /**
  22. * @param string $secret
  23. */
  24. public function __construct($secret)
  25. {
  26. $this->secret = $secret;
  27. }
  29. /**
  30. * {@inheritdoc}
  31. */
  32. public function sign($path, array $runtimeConfig = null)
  33. {
  34. if ($runtimeConfig) {
  35. array_walk_recursive($runtimeConfig, function (&$value) {
  36. $value = (string) $value;
  37. });
  38. }
  40. return mb_substr(preg_replace('/[^a-zA-Z0-9-_]/', '', base64_encode(hash_hmac('sha256', ltrim($path, '/').(null === $runtimeConfig ?: serialize($runtimeConfig)), $this->secret, true))), 0, 8);
  41. }
  43. /**
  44. * {@inheritdoc}
  45. */
  46. public function check($hash, $path, array $runtimeConfig = null)
  47. {
  48. return $hash === $this->sign($path, $runtimeConfig);
  49. }
  50. }