defender-security / lib / packages / DI / Definition / Source / DefinitionArray.php

DefinitionArray.php in Defender Security – Malware Scanner, Login Security & Firewall 5.7.1, at lib/packages/DI/Definition/Source/DefinitionArray.php

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1	<?php
2
3	declare(strict_types=1);
4
5	namespace WPMU_DEV\Defender\Vendor\DI\Definition\Source;
6
7	use WPMU_DEV\Defender\Vendor\DI\Definition\Definition;
8
9	/**
10	* Reads WPMU_DEV\Defender\Vendor\DI definitions from a PHP array.
11	*
12	* @author Matthieu Napoli <[email protected]>
13	*/
14	class DefinitionArray implements DefinitionSource, MutableDefinitionSource
15	{
16	public const WILDCARD = '*';
17	/**
18	* Matches anything except "\".
19	*/
20	private const WILDCARD_PATTERN = '([^\\\\]+)';
21
22	/** WPMU_DEV\Defender\Vendor\DI definitions in a PHP array. */
23	private array $definitions;
24
25	/** Cache of wildcard definitions. */
26	private ?array $wildcardDefinitions = null;
27
28	private DefinitionNormalizer $normalizer;
29
30	public function __construct(array $definitions = [], ?Autowiring $autowiring = null)
31	{
32	if (isset($definitions[0])) {
33	throw new \Exception('The PHP-WPMU_DEV\Defender\Vendor\DI definition is not indexed by an entry name in the definition array');
34	}
35
36	$this->definitions = $definitions;
37
38	$this->normalizer = new DefinitionNormalizer($autowiring ?: new NoAutowiring);
39	}
40
41	/**
42	* @param array $definitions WPMU_DEV\Defender\Vendor\DI definitions in a PHP array indexed by the definition name.
43	*/
44	public function addDefinitions(array $definitions) : void
45	{
46	if (isset($definitions[0])) {
47	throw new \Exception('The PHP-WPMU_DEV\Defender\Vendor\DI definition is not indexed by an entry name in the definition array');
48	}
49
50	// The newly added data prevails
51	// "for keys that exist in both arrays, the elements from the left-hand array will be used"
52	$this->definitions = $definitions + $this->definitions;
53
54	// Clear cache
55	$this->wildcardDefinitions = null;
56	}
57
58	public function addDefinition(Definition $definition) : void
59	{
60	$this->definitions[$definition->getName()] = $definition;
61
62	// Clear cache
63	$this->wildcardDefinitions = null;
64	}
65
66	public function getDefinition(string $name) : ?Definition
67	{
68	// Look for the definition by name
69	if (array_key_exists($name, $this->definitions)) {
70	$definition = $this->definitions[$name];
71
72	return $this->normalizer->normalizeRootDefinition($definition, $name);
73	}
74
75	// Build the cache of wildcard definitions
76	if ($this->wildcardDefinitions === null) {
77	$this->wildcardDefinitions = [];
78	foreach ($this->definitions as $key => $definition) {
79	if (str_contains($key, self::WILDCARD)) {
80	$this->wildcardDefinitions[$key] = $definition;
81	}
82	}
83	}
84
85	// Look in wildcards definitions
86	foreach ($this->wildcardDefinitions as $key => $definition) {
87	// Turn the pattern into a regex
88	$key = preg_quote($key, '#');
89	$key = '#^' . str_replace('\\' . self::WILDCARD, self::WILDCARD_PATTERN, $key) . '#';
90	if (preg_match($key, $name, $matches) === 1) {
91	array_shift($matches);
92
93	return $this->normalizer->normalizeRootDefinition($definition, $name, $matches);
94	}
95	}
96
97	return null;
98	}
99
100	public function getDefinitions() : array
101	{
102	// Return all definitions except wildcard definitions
103	$definitions = [];
104	foreach ($this->definitions as $key => $definition) {
105	if (! str_contains($key, self::WILDCARD)) {
106	$definitions[$key] = $definition;
107	}
108	}
109
110	return $definitions;
111	}
112	}
113