UserNameConstraintValidator.php in Zircon Profile 8
File
core/modules/user/src/Plugin/Validation/Constraint/UserNameConstraintValidator.php
View source
<?php
namespace Drupal\user\Plugin\Validation\Constraint;
use Drupal\Component\Utility\Unicode;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
class UserNameConstraintValidator extends ConstraintValidator {
public function validate($items, Constraint $constraint) {
if (!isset($items) || !$items->value) {
$this->context
->addViolation($constraint->emptyMessage);
return;
}
$name = $items
->first()->value;
if (substr($name, 0, 1) == ' ') {
$this->context
->addViolation($constraint->spaceBeginMessage);
}
if (substr($name, -1) == ' ') {
$this->context
->addViolation($constraint->spaceEndMessage);
}
if (strpos($name, ' ') !== FALSE) {
$this->context
->addViolation($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 (Unicode::strlen($name) > USERNAME_MAX_LENGTH) {
$this->context
->addViolation($constraint->tooLongMessage, array(
'%name' => $name,
'%max' => USERNAME_MAX_LENGTH,
));
}
}
}