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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
<?php
/* ============================================================================
* Copyright 2020 Zindex Software
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================================ */
namespace Opis\JsonSchema\Formats;
use Throwable;
use Opis\JsonSchema\Uri;
class IriFormats
{
private const SKIP = [0x23, 0x26, 0x2F, 0x3A, 0x3D, 0x3F, 0x40, 0x5B, 0x5C, 0x5D];
/** @var bool|null|callable */
private static $idn = false;
/**
* @param string $value
* @return bool
*/
public static function iri(string $value): bool
{
if ($value === '') {
return false;
}
try {
$components = Uri::parseComponents(Uri::encodeComponent($value, self::SKIP), true, true);
} catch (Throwable $e) {
return false;
}
return isset($components['scheme']) && $components['scheme'] !== '';
}
/**
* @param string $value
* @return bool
*/
public static function iriReference(string $value): bool
{
if ($value === '') {
return true;
}
try {
return Uri::parseComponents(Uri::encodeComponent($value, self::SKIP), true, true) !== null;
} catch (Throwable $e) {
return false;
}
}
/**
* @param string $value
* @param callable|null $idn
* @return bool
*/
public static function idnHostname(string $value, ?callable $idn = null): bool
{
$idn = $idn ?? static::idn();
if ($idn) {
$value = $idn($value);
if ($value === null) {
return false;
}
}
return Uri::isValidHost($value);
}
/**
* @param string $value
* @param callable|null $idn
* @return bool
*/
public static function idnEmail(string $value, ?callable $idn = null): bool
{
$idn = $idn ?? static::idn();
if ($idn) {
if (!preg_match('/^(?<name>.+)@(?<domain>.+)$/u', $value, $m)) {
return false;
}
$m['name'] = $idn($m['name']);
if ($m['name'] === null) {
return false;
}
$m['domain'] = $idn($m['domain']);
if ($m['domain'] === null) {
return false;
}
$value = $m['name'] . '@' . $m['domain'];
}
return filter_var($value, FILTER_VALIDATE_EMAIL) !== false;
}
/**
* @return callable|null
*/
public static function idn(): ?callable
{
if (static::$idn === false) {
if (function_exists('idn_to_ascii')) {
static::$idn = static function (string $value): ?string {
/** @noinspection PhpComposerExtensionStubsInspection */
$value = idn_to_ascii($value, 0, INTL_IDNA_VARIANT_UTS46);
return is_string($value) ? $value : null;
};
} else {
static::$idn = null;
}
}
return static::$idn;
}
}
|