-
-
Notifications
You must be signed in to change notification settings - Fork 9.4k
/
HostnameValidator.php
72 lines (62 loc) · 2.03 KB
/
HostnameValidator.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Validator\Constraints;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
use Symfony\Component\Validator\Exception\UnexpectedValueException;
/**
* @author Dmitrii Poddubnyi <dpoddubny@gmail.com>
*/
class HostnameValidator extends ConstraintValidator
{
/**
* https://tools.ietf.org/html/rfc2606.
*/
private const RESERVED_TLDS = [
'example',
'invalid',
'localhost',
'test',
];
/**
* @return void
*/
public function validate(mixed $value, Constraint $constraint)
{
if (!$constraint instanceof Hostname) {
throw new UnexpectedTypeException($constraint, Hostname::class);
}
if (null === $value || '' === $value) {
return;
}
if (!\is_scalar($value) && !$value instanceof \Stringable) {
throw new UnexpectedValueException($value, 'string');
}
$value = (string) $value;
if ('' === $value) {
return;
}
if (!$this->isValid($value) || ($constraint->requireTld && !$this->hasValidTld($value))) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(Hostname::INVALID_HOSTNAME_ERROR)
->addViolation();
}
}
private function isValid(string $domain): bool
{
return false !== filter_var($domain, \FILTER_VALIDATE_DOMAIN, \FILTER_FLAG_HOSTNAME);
}
private function hasValidTld(string $domain): bool
{
return str_contains($domain, '.') && !\in_array(substr($domain, strrpos($domain, '.') + 1), self::RESERVED_TLDS, true);
}
}