|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace GoetasWebservices\XML\XSDReader\Utils; |
|
6
|
|
|
|
|
7
|
|
|
class UrlUtils |
|
8
|
|
|
{ |
|
9
|
76 |
|
public static function resolveRelativeUrl(string $base, string $rel): string |
|
10
|
|
|
{ |
|
11
|
76 |
|
if ('' === trim($rel)) { |
|
12
|
2 |
|
return $base; |
|
13
|
|
|
} elseif ( |
|
14
|
|
|
/* return if already absolute URL */ |
|
15
|
75 |
|
parse_url($rel, PHP_URL_SCHEME) !== null || |
|
16
|
75 |
|
substr($rel, 0, 2) === '//' |
|
17
|
|
|
) { |
|
18
|
67 |
|
return $rel; |
|
19
|
|
|
} elseif ( |
|
20
|
|
|
/* queries and anchors */ |
|
21
|
10 |
|
in_array( |
|
22
|
10 |
|
$rel[0], |
|
23
|
|
|
[ |
|
24
|
10 |
|
'#', |
|
25
|
|
|
'?', |
|
26
|
|
|
], |
|
27
|
10 |
|
true |
|
28
|
|
|
) |
|
29
|
|
|
) { |
|
30
|
2 |
|
return $base.$rel; |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
10 |
|
return static::resolveRelativeUrlAfterEarlyChecks($base, $rel); |
|
34
|
|
|
} |
|
35
|
|
|
|
|
36
|
10 |
|
protected static function resolveRelativeUrlAfterEarlyChecks(string $base, string $rel): string |
|
37
|
|
|
{ |
|
38
|
|
|
/* fix url file for Windows */ |
|
39
|
10 |
|
$base = preg_replace('#^file:\/\/([^/])#', 'file:///\1', $base); |
|
40
|
|
|
|
|
41
|
|
|
/** |
|
42
|
|
|
* @var mixed[] |
|
43
|
|
|
* |
|
44
|
|
|
* parse base URL and convert to local variables: |
|
45
|
|
|
* $scheme, $host, $path |
|
46
|
|
|
*/ |
|
47
|
10 |
|
$parts = parse_url($base); |
|
48
|
|
|
|
|
49
|
10 |
|
return static::resolveRelativeUrlToAbsoluteUrl( |
|
50
|
10 |
|
$rel, |
|
51
|
|
|
( |
|
52
|
10 |
|
$rel[0] === '/' |
|
53
|
5 |
|
? '' // destroy path if relative url points to root |
|
54
|
|
|
: ( // remove non-directory element from path |
|
55
|
8 |
|
isset($parts['path']) |
|
56
|
8 |
|
? preg_replace( |
|
57
|
8 |
|
'#/[^/]*$#', |
|
58
|
8 |
|
'', |
|
59
|
8 |
|
(string) $parts['path'] |
|
60
|
|
|
) |
|
61
|
10 |
|
: '' |
|
62
|
|
|
) |
|
63
|
|
|
), |
|
64
|
10 |
|
$parts |
|
65
|
|
|
); |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* @param array<string, string> $parts |
|
70
|
|
|
*/ |
|
71
|
10 |
|
protected static function resolveRelativeUrlToAbsoluteUrl( |
|
72
|
|
|
string $rel, |
|
73
|
|
|
string $path, |
|
74
|
|
|
array $parts |
|
75
|
|
|
): string { |
|
76
|
|
|
/* Build absolute URL */ |
|
77
|
10 |
|
$abs = ''; |
|
78
|
|
|
|
|
79
|
10 |
|
if (isset($parts['host'])) { |
|
80
|
5 |
|
$abs .= (string) $parts['host']; |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
10 |
|
if (isset($parts['port'])) { |
|
84
|
|
|
$abs .= ':'.(string) $parts['port']; |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
10 |
|
$abs .= $path.'/'.$rel; |
|
88
|
10 |
|
$abs = static::replaceSuperfluousSlashes($abs); |
|
89
|
|
|
|
|
90
|
10 |
|
if (isset($parts['scheme'])) { |
|
91
|
6 |
|
$abs = (string) $parts['scheme'].'://'.$abs; |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
10 |
|
return $abs; |
|
95
|
|
|
} |
|
96
|
|
|
|
|
97
|
|
|
/** |
|
98
|
|
|
* replace superfluous slashes with a single slash. |
|
99
|
|
|
* covers:. |
|
100
|
|
|
* // |
|
101
|
|
|
* /./ |
|
102
|
|
|
* /foo/../. |
|
103
|
|
|
*/ |
|
104
|
10 |
|
protected static function replaceSuperfluousSlashes(string $abs): string |
|
105
|
|
|
{ |
|
106
|
|
|
/* Use realpath to deal with multiple levels if the path exists */ |
|
107
|
10 |
|
$rp = realpath($abs); |
|
108
|
10 |
|
if ($rp) { |
|
109
|
2 |
|
return $rp; |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
8 |
|
$n = 1; |
|
113
|
|
|
do { |
|
114
|
8 |
|
$abs = preg_replace( |
|
115
|
8 |
|
'#(?:(?:/\.?/)|(?!\.\.)[^/]+/\.\./)#', |
|
116
|
8 |
|
'/', |
|
117
|
8 |
|
$abs, |
|
118
|
8 |
|
-1, |
|
119
|
8 |
|
$n |
|
120
|
|
|
); |
|
121
|
8 |
|
} while ($n > 0); |
|
122
|
|
|
|
|
123
|
8 |
|
return $abs; |
|
124
|
|
|
} |
|
125
|
|
|
} |
|
126
|
|
|
|