|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Yiisoft\Validator\Rule; |
|
6
|
|
|
|
|
7
|
|
|
use RuntimeException; |
|
8
|
|
|
use Yiisoft\Validator\FormatterInterface; |
|
9
|
|
|
use Yiisoft\Validator\Result; |
|
10
|
|
|
use Yiisoft\Validator\Rule; |
|
11
|
|
|
use Yiisoft\Validator\ValidationContext; |
|
12
|
|
|
|
|
13
|
|
|
use function is_string; |
|
14
|
|
|
use function strlen; |
|
15
|
|
|
|
|
16
|
|
|
/** |
|
17
|
|
|
* UrlValidator validates that the attribute value is a valid HTTP or HTTPS URL. |
|
18
|
|
|
* |
|
19
|
|
|
* Note that this validator only checks if the URL scheme and host part are correct. |
|
20
|
|
|
* It does not check the remaining parts of a URL. |
|
21
|
|
|
*/ |
|
22
|
|
|
final class Url extends Rule |
|
23
|
|
|
{ |
|
24
|
|
|
public function __construct( |
|
25
|
|
|
/** |
|
26
|
|
|
* @var string the regular expression used to validate a value. |
|
27
|
|
|
* The pattern may contain a `{schemes}` token that will be replaced |
|
28
|
|
|
* by a regular expression which represents the {@see $schemes}. |
|
29
|
|
|
* |
|
30
|
|
|
* Note that if you want to reuse the pattern in HTML5 input it should have ^ and $, should not have any |
|
31
|
|
|
* modifiers and should not be case-insensitive. |
|
32
|
|
|
*/ |
|
33
|
|
|
private string $pattern = '/^{schemes}:\/\/(([a-zA-Z0-9][a-zA-Z0-9_-]*)(\.[a-zA-Z0-9][a-zA-Z0-9_-]*)+)(?::\d{1,5})?([?\/#].*$|$)/', |
|
34
|
|
|
/** |
|
35
|
|
|
* @var array list of URI schemes which should be considered valid. By default, http and https |
|
36
|
|
|
* are considered to be valid schemes. |
|
37
|
|
|
*/ |
|
38
|
|
|
private array $validSchemes = ['http', 'https'], |
|
39
|
|
|
/** |
|
40
|
|
|
* @var bool whether validation process should take into account IDN (internationalized |
|
41
|
|
|
* domain names). Defaults to false meaning that validation of URLs containing IDN will always |
|
42
|
|
|
* fail. Note that in order to use IDN validation you have to install and enable `intl` PHP |
|
43
|
|
|
* extension, otherwise an exception would be thrown. |
|
44
|
|
|
*/ |
|
45
|
|
|
private bool $enableIDN = false, |
|
46
|
|
|
private string $message = 'This value is not a valid URL.', |
|
47
|
|
|
|
|
48
|
|
|
?FormatterInterface $formatter = null, |
|
49
|
15 |
|
bool $skipOnEmpty = false, |
|
50
|
|
|
bool $skipOnError = false, |
|
51
|
15 |
|
$when = null |
|
52
|
|
|
) { |
|
53
|
|
|
parent::__construct(formatter: $formatter, skipOnEmpty: $skipOnEmpty, skipOnError: $skipOnError, when: $when); |
|
54
|
11 |
|
|
|
55
|
|
|
if ($enableIDN && !function_exists('idn_to_ascii')) { |
|
56
|
11 |
|
throw new RuntimeException('In order to use IDN validation intl extension must be installed and enabled.'); |
|
57
|
|
|
} |
|
58
|
|
|
} |
|
59
|
11 |
|
|
|
60
|
10 |
|
protected function validateValue($value, ?ValidationContext $context = null): Result |
|
61
|
6 |
|
{ |
|
62
|
|
|
$result = new Result(); |
|
63
|
|
|
|
|
64
|
10 |
|
// make sure the length is limited to avoid DOS attacks |
|
65
|
7 |
|
if (is_string($value) && strlen($value) < 2000) { |
|
66
|
|
|
if ($this->enableIDN) { |
|
67
|
|
|
$value = $this->convertIdn($value); |
|
68
|
|
|
} |
|
69
|
7 |
|
|
|
70
|
|
|
if (preg_match($this->getPattern(), $value)) { |
|
71
|
7 |
|
return $result; |
|
72
|
|
|
} |
|
73
|
|
|
} |
|
74
|
6 |
|
|
|
75
|
|
|
$result->addError($this->formatMessage($this->message)); |
|
76
|
6 |
|
|
|
77
|
|
|
return $result; |
|
78
|
6 |
|
} |
|
79
|
|
|
|
|
80
|
|
|
private function idnToAscii(string $idn): string |
|
81
|
6 |
|
{ |
|
82
|
|
|
$result = idn_to_ascii($idn, 0, INTL_IDNA_VARIANT_UTS46); |
|
83
|
6 |
|
|
|
84
|
4 |
|
return $result === false ? '' : $result; |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
2 |
|
private function convertIdn(string $value): string |
|
88
|
2 |
|
{ |
|
89
|
2 |
|
if (strpos($value, '://') === false) { |
|
90
|
|
|
return $this->idnToAscii($value); |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
return preg_replace_callback( |
|
94
|
10 |
|
'/:\/\/([^\/]+)/', |
|
95
|
|
|
fn ($matches) => '://' . $this->idnToAscii($matches[1]), |
|
96
|
10 |
|
$value |
|
97
|
8 |
|
); |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
2 |
|
private function getPattern(): string |
|
101
|
|
|
{ |
|
102
|
|
|
if (strpos($this->pattern, '{schemes}') !== false) { |
|
103
|
2 |
|
return str_replace('{schemes}', '((?i)' . implode('|', $this->validSchemes) . ')', $this->pattern); |
|
104
|
|
|
} |
|
105
|
2 |
|
|
|
106
|
2 |
|
return $this->pattern; |
|
107
|
2 |
|
} |
|
108
|
|
|
|
|
109
|
|
|
public function getOptions(): array |
|
110
|
9 |
|
{ |
|
111
|
|
|
return array_merge(parent::getOptions(), [ |
|
112
|
9 |
|
'pattern' => $this->pattern, |
|
113
|
1 |
|
'validSchemes' => $this->validSchemes, |
|
114
|
|
|
'enableIDN' => $this->enableIDN, |
|
115
|
|
|
'message' => $this->formatMessage($this->message), |
|
116
|
8 |
|
]); |
|
117
|
8 |
|
} |
|
118
|
|
|
} |
|
119
|
|
|
|
yiisoft /
validator
