|
1
|
|
|
<?php |
|
2
|
|
|
declare(strict_types=1); |
|
3
|
|
|
namespace TYPO3\PharStreamWrapper\Resolver; |
|
4
|
|
|
|
|
5
|
|
|
/* |
|
6
|
|
|
* This file is part of the TYPO3 project. |
|
7
|
|
|
* |
|
8
|
|
|
* It is free software; you can redistribute it and/or modify it under the terms |
|
9
|
|
|
* of the MIT License (MIT). For the full copyright and license information, |
|
10
|
|
|
* please read the LICENSE file that was distributed with this source code. |
|
11
|
|
|
* |
|
12
|
|
|
* The TYPO3 project - inspiring people to share! |
|
13
|
|
|
*/ |
|
14
|
|
|
|
|
15
|
|
|
use TYPO3\PharStreamWrapper\Helper; |
|
16
|
|
|
use TYPO3\PharStreamWrapper\Phar\Reader; |
|
17
|
|
|
use TYPO3\PharStreamWrapper\Resolvable; |
|
18
|
|
|
|
|
19
|
|
|
class PharInvocationResolver implements Resolvable |
|
20
|
|
|
{ |
|
21
|
|
|
const RESOLVE_REALPATH = 1; |
|
22
|
|
|
const RESOLVE_ALIAS = 2; |
|
23
|
|
|
const ASSERT_INTERNAL_INVOCATION = 32; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* @var PharInvocationStack |
|
27
|
|
|
*/ |
|
28
|
|
|
private $stack; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @var string[] |
|
32
|
|
|
*/ |
|
33
|
|
|
private $invocationFunctionNames = [ |
|
34
|
|
|
'include', |
|
35
|
|
|
'include_once', |
|
36
|
|
|
'require', |
|
37
|
|
|
'require_once' |
|
38
|
|
|
]; |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* @param PharInvocationStack $stack |
|
42
|
|
|
*/ |
|
43
|
|
|
public function __construct(PharInvocationStack $stack) |
|
44
|
|
|
{ |
|
45
|
|
|
$this->stack = $stack; |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* Resolves PharInvocation value object (baseName and optional alias). |
|
50
|
|
|
* |
|
51
|
|
|
* Phar aliases are intended to be used only inside Phar archives, however |
|
52
|
|
|
* PharStreamWrapper needs this information exposed outside of Phar as well |
|
53
|
|
|
* It is possible that same alias is used for different $baseName values. |
|
54
|
|
|
* That's why AliasMap behaves like a stack when resolving base-name for a |
|
55
|
|
|
* given alias. On the other hand it is not possible that one $baseName is |
|
56
|
|
|
* referring to multiple aliases. |
|
57
|
|
|
* @see https://secure.php.net/manual/en/phar.setalias.php |
|
58
|
|
|
* @see https://secure.php.net/manual/en/phar.mapphar.php |
|
59
|
|
|
* |
|
60
|
|
|
* @param string $path |
|
61
|
|
|
* @param int|null $flags |
|
62
|
|
|
* @return null|PharInvocation |
|
63
|
|
|
*/ |
|
64
|
|
|
public function resolve(string $path, int $flags = null) |
|
65
|
|
|
{ |
|
66
|
|
|
$hasPharPrefix = Helper::hasPharPrefix($path); |
|
67
|
|
|
$flags = $flags ?? static::RESOLVE_REALPATH | static::RESOLVE_ALIAS | static::ASSERT_INTERNAL_INVOCATION; |
|
68
|
|
|
|
|
69
|
|
|
if ($hasPharPrefix && $flags & static::RESOLVE_ALIAS) { |
|
70
|
|
|
$invocation = $this->findByAlias($path); |
|
71
|
|
|
if ($invocation !== null && $this->assertInternalInvocation($invocation, $flags)) { |
|
72
|
|
|
return $invocation; |
|
73
|
|
|
} elseif ($invocation !== null) { |
|
74
|
|
|
return null; |
|
75
|
|
|
} |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
$baseName = Helper::determineBaseFile($path); |
|
79
|
|
|
if ($baseName === null) { |
|
80
|
|
|
return null; |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
|
|
if ($flags & static::RESOLVE_REALPATH) { |
|
84
|
|
|
$baseName = realpath($baseName); |
|
85
|
|
|
} |
|
86
|
|
|
if ($flags & static::RESOLVE_ALIAS) { |
|
87
|
|
|
$alias = (new Reader($baseName))->resolveContainer()->getAlias(); |
|
88
|
|
|
} else { |
|
89
|
|
|
$alias = ''; |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
return new PharInvocation($baseName, $alias); |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
/** |
|
96
|
|
|
* @param string $path |
|
97
|
|
|
* @return null|PharInvocation |
|
98
|
|
|
*/ |
|
99
|
|
|
private function findByAlias(string $path) |
|
100
|
|
|
{ |
|
101
|
|
|
$normalizedPath = Helper::normalizePath($path); |
|
102
|
|
|
$possibleAlias = strstr($normalizedPath, '/', true); |
|
103
|
|
|
return $this->stack->findByAlias($possibleAlias ?: '', true); |
|
104
|
|
|
} |
|
105
|
|
|
|
|
106
|
|
|
/** |
|
107
|
|
|
* @param PharInvocation $invocation |
|
108
|
|
|
* @param int $flags |
|
109
|
|
|
* @return bool |
|
110
|
|
|
* @experimental |
|
111
|
|
|
*/ |
|
112
|
|
|
private function assertInternalInvocation(PharInvocation $invocation, int $flags): bool |
|
113
|
|
|
{ |
|
114
|
|
|
if (!($flags & static::ASSERT_INTERNAL_INVOCATION)) { |
|
115
|
|
|
return true; |
|
116
|
|
|
} |
|
117
|
|
|
|
|
118
|
|
|
$trace = debug_backtrace(0); |
|
119
|
|
|
$firstIndex = count($trace) - 1; |
|
120
|
|
|
// initial invocation, most probably a CLI tool |
|
121
|
|
|
if (($trace[$firstIndex]['file'] ?? null) === $invocation->getBaseName()) { |
|
122
|
|
|
return true; |
|
123
|
|
|
} |
|
124
|
|
|
// otherwise search for include/require invocations |
|
125
|
|
|
foreach ($trace as $item) { |
|
126
|
|
|
if (!isset($item['function']) || !isset($item['args'][0])) { |
|
127
|
|
|
continue; |
|
128
|
|
|
} |
|
129
|
|
|
if ($item['args'][0] === $invocation->getBaseName() |
|
130
|
|
|
&& in_array($item['function'], $this->invocationFunctionNames, true) |
|
131
|
|
|
) { |
|
132
|
|
|
return true; |
|
133
|
|
|
} |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
|
|
return false; |
|
137
|
|
|
} |
|
138
|
|
|
} |
|
139
|
|
|
|
TYPO3 /
phar-stream-wrapper
