1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Bmatovu\LaravelXml\Support; |
4
|
|
|
|
5
|
|
|
use DOMDocument; |
6
|
|
|
|
7
|
|
|
/** |
8
|
|
|
* Class XmlValidator. |
9
|
|
|
* |
10
|
|
|
* Validates XML against XSD |
11
|
|
|
* |
12
|
|
|
* @see ValidatingXML https://medium.com/@Sirolad/validating-xml-against-xsd-in-php-5607f725955a |
13
|
|
|
*/ |
14
|
|
|
class XmlValidator |
15
|
|
|
{ |
16
|
|
|
/** |
17
|
|
|
* DOM Document. |
18
|
|
|
* |
19
|
|
|
* @var \DOMDocument |
20
|
|
|
*/ |
21
|
|
|
protected $domDocument = ''; |
22
|
|
|
|
23
|
|
|
/** |
24
|
|
|
* XML Schema Definition. |
25
|
|
|
* |
26
|
|
|
* @var string |
27
|
|
|
*/ |
28
|
|
|
protected $xsd = ''; |
29
|
|
|
|
30
|
|
|
/** |
31
|
|
|
* Constructor. |
32
|
|
|
*/ |
33
|
4 |
|
public function __construct() |
34
|
|
|
{ |
35
|
4 |
|
$this->domDocument = new DOMDocument(); |
36
|
|
|
} |
37
|
|
|
|
38
|
|
|
/** |
39
|
|
|
* Check if a string is valid XML. |
40
|
|
|
* |
41
|
|
|
* @see https://stackoverflow.com/a/31240779/2732184 |
42
|
|
|
* |
43
|
|
|
* @param string $xmlStr |
44
|
|
|
* @param bool $ignoreHtml |
45
|
|
|
* |
46
|
|
|
* @return bool |
47
|
|
|
*/ |
48
|
2 |
|
public function is_valid($xmlStr, $ignoreHtml = true) |
49
|
|
|
{ |
50
|
2 |
|
$xmlStr = trim($xmlStr); |
51
|
|
|
|
52
|
2 |
|
if ('' === $xmlStr) { |
53
|
1 |
|
return false; |
54
|
|
|
} |
55
|
|
|
|
56
|
2 |
|
if ($ignoreHtml && false !== stripos($xmlStr, '<!DOCTYPE html>')) { |
57
|
1 |
|
return false; |
58
|
|
|
} |
59
|
|
|
|
60
|
2 |
|
libxml_use_internal_errors(true); |
61
|
|
|
|
62
|
2 |
|
simplexml_load_string($xmlStr); |
63
|
|
|
|
64
|
2 |
|
$errors = libxml_get_errors(); |
65
|
|
|
|
66
|
2 |
|
libxml_clear_errors(); |
67
|
|
|
|
68
|
2 |
|
return empty($errors); |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
/** |
72
|
|
|
* Validate XML string. |
73
|
|
|
* |
74
|
|
|
* @see https://www.php.net/manual/en/class.simplexmlelement.php#107869 |
75
|
|
|
* |
76
|
|
|
* @param string $xmlStr |
77
|
|
|
* @param string $xsdFilePath |
78
|
|
|
* @param int $flags |
79
|
|
|
* @param bool $checkXml |
80
|
|
|
* |
81
|
|
|
* @throws \Exception |
82
|
|
|
* |
83
|
|
|
* @return array |
84
|
|
|
*/ |
85
|
3 |
|
public function validate($xmlStr, $xsdFilePath, $flags = 0, $checkXml = false) |
86
|
|
|
{ |
87
|
3 |
|
libxml_use_internal_errors(true); |
88
|
|
|
|
89
|
3 |
|
if ('' === $xmlStr || ($checkXml && ! $this->is_valid($xmlStr))) { |
90
|
1 |
|
throw new \Exception('Malformed XML.'); |
91
|
|
|
} |
92
|
|
|
|
93
|
2 |
|
$this->domDocument->loadXML($xmlStr); |
94
|
|
|
|
95
|
2 |
|
$errors = []; |
96
|
2 |
|
if (! $this->domDocument->schemaValidate($xsdFilePath, $flags)) { |
97
|
1 |
|
foreach (libxml_get_errors() as $error) { |
98
|
1 |
|
$errors[$this->getElement($error->message)][] = $this->getMessage($error->message); |
99
|
|
|
} |
100
|
1 |
|
libxml_clear_errors(); |
101
|
|
|
} |
102
|
|
|
|
103
|
1 |
|
return $errors; |
104
|
|
|
} |
105
|
|
|
|
106
|
|
|
/** |
107
|
|
|
* Get element from message. |
108
|
|
|
* |
109
|
|
|
* @param $message |
110
|
|
|
* |
111
|
|
|
* @return mixed |
112
|
|
|
*/ |
113
|
1 |
|
protected function getElement($message) |
114
|
|
|
{ |
115
|
1 |
|
$matches = []; |
116
|
1 |
|
preg_match("/'([-_\\w]+)'/", $message, $matches); |
117
|
|
|
|
118
|
1 |
|
return array_pop($matches); |
119
|
|
|
} |
120
|
|
|
|
121
|
|
|
/** |
122
|
|
|
* Get refined message. |
123
|
|
|
* |
124
|
|
|
* @param $message |
125
|
|
|
* |
126
|
|
|
* @return string |
127
|
|
|
*/ |
128
|
1 |
|
protected function getMessage($message) |
129
|
|
|
{ |
130
|
1 |
|
$parts = explode(':', $message); |
131
|
|
|
|
132
|
1 |
|
return trim(array_pop($parts)); |
133
|
|
|
} |
134
|
|
|
} |
135
|
|
|
|