404-solution / includes / redirects / RedirectLookupService.php

RedirectLookupService.php in 404 Solution trunk, at includes/redirects/RedirectLookupService.php

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1	<?php
2
3	if (!defined('ABSPATH')) {
4	exit;
5	}
6
7	/**
8	* Resolves request URLs to active or existing redirect rows.
9	*/
10	class ABJ_404_Solution_RedirectLookupService {
11
12	/** @var ABJ_404_Solution_Functions */
13	private $f;
14
15	/** @var ABJ_404_Solution_RedirectLookupRepository */
16	private $lookupRepository;
17
18	/** @var ABJ_404_Solution_PluginLogicUrlNormalization\|null */
19	private $urlNormalization;
20
21	/**
22	* @param ABJ_404_Solution_Functions $functions
23	* @param ABJ_404_Solution_RedirectLookupRepository $lookupRepository
24	* @param ABJ_404_Solution_PluginLogicUrlNormalization\|null $urlNormalization
25	*/
26	public function __construct(
27	$functions,
28	ABJ_404_Solution_RedirectLookupRepository $lookupRepository,
29	?ABJ_404_Solution_PluginLogicUrlNormalization $urlNormalization = null
30	) {
31	$this->f = $functions;
32	$this->lookupRepository = $lookupRepository;
33	$this->urlNormalization = $urlNormalization;
34	}
35
36	/**
37	* @param string $url
38	* @param bool $degradedMode
39	* @return array<string, mixed>
40	*/
41	public function getActiveRedirectForURL($url, $degradedMode = false): array {
42	return $this->findFirstCandidate($url, function($candidate) use ($degradedMode) {
43	return $this->lookupRepository->getActiveRedirectForNormalizedUrl($candidate, $degradedMode);
44	});
45	}
46
47	/**
48	* @param string $url
49	* @return array<string, mixed>
50	*/
51	public function getExistingRedirectForURL($url): array {
52	return $this->findFirstCandidate($url, function($candidate) {
53	return $this->lookupRepository->getExistingRedirectForNormalizedUrl($candidate);
54	});
55	}
56
57	/**
58	* @param string $url
59	* @param callable $lookup
60	* @return array<string, mixed>
61	*/
62	private function findFirstCandidate($url, callable $lookup): array {
63	$url = $this->f->sanitizeInvalidUTF8($url);
64
65	if (function_exists('mb_check_encoding') && !mb_check_encoding($url, 'UTF-8')) {
66	return array('id' => 0);
67	}
68
69	$candidates = $this->urlNormalization()->getNormalizedUrlCandidates($url);
70	foreach ($candidates as $candidate) {
71	$redirect = $lookup($candidate);
72	if (!is_array($redirect)) {
73	continue;
74	}
75	$assocRedirect = $this->assocRedirectRow($redirect);
76	if (isset($assocRedirect['id']) && $assocRedirect['id'] !== 0) {
77	return $assocRedirect;
78	}
79	}
80
81	return array('id' => 0);
82	}
83
84	/**
85	* @param array<mixed, mixed> $redirect
86	* @return array<string, mixed>
87	*/
88	private function assocRedirectRow(array $redirect): array {
89	$assoc = array();
90	foreach ($redirect as $key => $value) {
91	if (is_string($key)) {
92	$assoc[$key] = $value;
93	}
94	}
95	return $assoc;
96	}
97
98	/**
99	* @return ABJ_404_Solution_PluginLogicUrlNormalization
100	*/
101	private function urlNormalization() {
102	if ($this->urlNormalization !== null) {
103	return $this->urlNormalization;
104	}
105	return abj_service('plugin_logic')->urlNormalization();
106	}
107	}
108