public function PasswordCharacter::validate in Password Policy 8.3

Returns a true/false status if the password meets the constraint.

Parameters

string $password: The password entered by the end user.

\Drupal\user\UserInterface: The user which password is changed.

Return value

PasswordPolicyValidation Whether or not the password meets the constraint in the plugin.

Overrides PasswordConstraintInterface::validate

File

password_policy_characters/src/Plugin/PasswordConstraint/PasswordCharacter.php, line 25

Class

PasswordCharacter

Enforces a number of a type of character in passwords.

Namespace

Drupal\password_policy_characters\Plugin\PasswordConstraint

Code

public function validate($password, UserInterface $user) {
  $configuration = $this
    ->getConfiguration();
  $validation = new PasswordPolicyValidation();
  $character_distribution = count_chars($password);
  $count_upper = 0;
  $count_lower = 0;
  $count_letter = 0;
  $count_special = 0;
  $count_numeric = 0;
  foreach ($character_distribution as $i => $val) {
    if ($val) {
      $char = chr($i);
      if (is_numeric($char)) {
        $count_numeric++;
      }
      else {
        if (ctype_upper($char)) {
          $count_upper++;
          $count_letter++;
        }
        else {
          if (ctype_lower($char)) {
            $count_lower++;
            $count_letter++;
          }
          else {
            $count_special++;
          }
        }
      }
    }
  }
  switch ($configuration['character_type']) {
    case 'uppercase':
      if ($count_upper < $configuration['character_count']) {
        $validation
          ->setErrorMessage($this
          ->formatPlural($configuration['character_count'], 'Password must contain at least 1 uppercase character.', 'Password must contain at least @count uppercase characters.'));
      }
      break;
    case 'lowercase':
      if ($count_lower < $configuration['character_count']) {
        $validation
          ->setErrorMessage($this
          ->formatPlural($configuration['character_count'], 'Password must contain at least 1 lowercase character.', 'Password must contain at least @count lowercase characters.'));
      }
      break;
    case 'letter':
      if ($count_letter < $configuration['character_count']) {
        $validation
          ->setErrorMessage($this
          ->formatPlural($configuration['character_count'], 'Password must contain at least 1 letter character.', 'Password must contain at least @count letter characters.'));
      }
      break;
    case 'special':
      if ($count_special < $configuration['character_count']) {
        $validation
          ->setErrorMessage($this
          ->formatPlural($configuration['character_count'], 'Password must contain at least 1 special character.', 'Password must contain at least @count special characters.'));
      }
      break;
    case 'numeric':
      if ($count_numeric < $configuration['character_count']) {
        $validation
          ->setErrorMessage($this
          ->formatPlural($configuration['character_count'], 'Password must contain at least 1 numeric character.', 'Password must contain at least @count numeric characters.'));
      }
      break;
  }
  return $validation;
}