class UserNameConstraintValidator

Validates the UserName constraint.

Hierarchy

Expanded class hierarchy of UserNameConstraintValidator

File

View on git.drupalcode.org

core/modules/user/src/Plugin/Validation/Constraint/UserNameConstraintValidator.php, line 13

Namespace

Drupal\user\Plugin\Validation\Constraint
View source 
class UserNameConstraintValidator extends ConstraintValidator {
  
  /**
   * {@inheritdoc}
   */
  public function validate($items, Constraint $constraint) {
    if (empty($items) || $items instanceof FieldItemListInterface && $items->isEmpty()) {
      $this->context
        ->addViolation($constraint->emptyMessage);
      return;
    }
    $name = $items instanceof FieldItemListInterface ? $items->first()->value : $items;
    if (str_starts_with($name, ' ')) {
      $this->context
        ->addViolation($constraint->spaceBeginMessage);
    }
    if (str_ends_with($name, ' ')) {
      $this->context
        ->addViolation($constraint->spaceEndMessage);
    }
    if (str_contains($name, '  ')) {
      $this->context
        ->addViolation($constraint->multipleSpacesMessage);
    }
    if (preg_match('/[^\\x{80}-\\x{F7} a-z0-9@+_.\'-]/i', $name) || preg_match('/[\\x{80}-\\x{A0}' . '\\x{AD}' . '\\x{2000}-\\x{200F}' . '\\x{2028}-\\x{202F}' . '\\x{205F}-\\x{206F}' . '\\x{FEFF}' . '\\x{FF01}-\\x{FF60}' . '\\x{FFF9}-\\x{FFFD}' . '\\x{0}-\\x{1F}]/u', $name)) {
      $this->context
        ->addViolation($constraint->illegalMessage);
    }
    if (mb_strlen($name) > UserInterface::USERNAME_MAX_LENGTH) {
      $this->context
        ->addViolation($constraint->tooLongMessage, [
        '%name' => $name,
        '%max' => UserInterface::USERNAME_MAX_LENGTH,
      ]);
    }
  }

}

Members

Title Modifiers Object type Summary
UserNameConstraintValidator::validate public function

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