public function JwtHsKeyType::validateKeyValue in JSON Web Token Authentication (JWT) 8

Same name and namespace in other branches

1. 8.0 src/Plugin/KeyType/JwtHsKeyType.php \Drupal\jwt\Plugin\KeyType\JwtHsKeyType::validateKeyValue()

Allows the Key Type plugin to validate the key value.

Parameters

array $form: An associative array containing the structure of the plugin form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the plugin form.

string|null $key_value: The key value to be validated.

Overrides KeyTypeInterface::validateKeyValue

File

src/Plugin/KeyType/JwtHsKeyType.php, line 93

Class

JwtHsKeyType

Defines a key type for JWT HMAC Signatures.

Namespace

Drupal\jwt\Plugin\KeyType

Code

public function validateKeyValue(array $form, FormStateInterface $form_state, $key_value) {
  if (!$form_state
    ->getValue('algorithm')) {
    return;
  }

  // Validate the key size.
  $algorithm = $form_state
    ->getValue('algorithm');
  $bytes = self::getAlgorithmKeysize()[$algorithm] / 8;
  if (strlen($key_value) < $bytes) {
    $form_state
      ->setErrorByName('algorithm', $this
      ->t('Key size (%size bits) is too small for algorithm chosen. Algorithm requires a minimum of %required bits.', [
      '%size' => strlen($key_value) * 8,
      '%required' => $bytes * 8,
    ]));
  }
}