redirection / redirection.php

redirection.php in Redirection 5.10.0, at redirection.php

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1	<?php
2	/*
3	Plugin Name: Redirection
4	Plugin URI: https://redirection.me/
5	Description: Manage all your 301 redirects and monitor 404 errors
6	Version: 5.10.0
7	Author: John Godley
8	Text Domain: redirection
9	Requires PHP: 7.4
10	Requires at least: 6.7
11	============================================================================================================
12	For full license details see license.txt
13	============================================================================================================
14	*/
15
16	define( 'REDIRECTION_DB_VERSION', '4.2' ); // DB schema version. Only change if DB needs changing
17	define( 'REDIRECTION_FILE', __FILE__ );
18	define( 'REDIRECTION_VERSION', '5.10.0' );
19	define( 'REDIRECTION_MIN_WP', '6.6' );
20
21	if ( ! defined( 'REDIRECTION_FLYING_SOLO' ) ) {
22	define( 'REDIRECTION_FLYING_SOLO', apply_filters( 'redirection_flying_solo', true ) );
23	}
24
25	// This file must support PHP < 7.4 so as not to crash
26	if ( version_compare( phpversion(), '7.4' ) < 0 ) {
27	add_filter( 'plugin_action_links_' . basename( dirname( REDIRECTION_FILE ) ) . '/' . basename( REDIRECTION_FILE ), 'red_deprecated_php' );
28
29	/**
30	* @param array<string> $links
31	* @return array<string>
32	*/
33	function red_deprecated_php( array $links ): array {
34	/* translators: 1: server PHP version. 2: required PHP version. */
35	array_unshift( $links, '<a href="https://redirection.me/support/problems/php-version/" style="color: red; text-decoration: underline">' . sprintf( __( 'Disabled! Detected PHP %1$s, need PHP %2$s+', 'redirection' ), phpversion(), '7.4' ) . '</a>' );
36	return $links;
37	}
38
39	return;
40	}
41
42	/**
43	* Autoload a namespaced class from a plugin directory.
44	*
45	* @param string $requested_class Requested class name.
46	* @param string $prefix Namespace prefix.
47	* @param string $base_dir Base directory.
48	* @return void
49	*/
50	function redirection_autoload_namespace( $requested_class, $prefix, $base_dir ) {
51	if ( strncmp( $prefix, $requested_class, strlen( $prefix ) ) !== 0 ) {
52	return;
53	}
54
55	$relative_class = substr( $requested_class, strlen( $prefix ) );
56	if ( $relative_class === '' ) {
57	return;
58	}
59
60	$normalize = static function ( $value ) {
61	$value = preg_replace( '/(?<!^)[A-Z]/', '-$0', $value );
62
63	if ( ! is_string( $value ) ) {
64	return '';
65	}
66
67	return str_replace( '_', '-', strtolower( $value ) );
68	};
69
70	$segments = explode( '\\', $relative_class );
71	$class_name = array_pop( $segments );
72	if ( ! is_string( $class_name ) \|\| $class_name === '' ) {
73	return;
74	}
75
76	if ( count( $segments ) > 0 ) {
77	$base_dir .= implode( '/', array_map( $normalize, $segments ) ) . '/';
78	}
79
80	$path = $base_dir . 'class-' . $normalize( $class_name ) . '.php';
81
82	if ( file_exists( $path ) ) {
83	require_once $path;
84	}
85	}
86
87	/**
88	* Autoload namespaced Redirection classes from the includes directory.
89	*
90	* @param string $requested_class Requested class name.
91	* @return void
92	*/
93	function redirection_autoload( $requested_class ) {
94	redirection_autoload_namespace( $requested_class, 'Redirection\\', __DIR__ . '/includes/' );
95	}
96
97	spl_autoload_register( 'redirection_autoload' );
98
99	/**
100	* Set REDIRECTION_REFACTOR to true to enable the refactor mode, using autoloading for all classes.
101	* This is implemented as a dual-mode plugin to allow for a smooth(er) transition to the new codebase.
102	*
103	* @return bool
104	*/
105	function red_is_refactor_enabled() {
106	// @phpstan-ignore booleanAnd.rightAlwaysTrue
107	return defined( 'REDIRECTION_REFACTOR' ) && REDIRECTION_REFACTOR;
108	}
109
110	if ( red_is_refactor_enabled() ) {
111	require_once __DIR__ . '/redirection-refactor.php';
112	} else {
113	require_once __DIR__ . '/redirection-settings.php';
114	require_once __DIR__ . '/models/options.php';
115	require_once __DIR__ . '/models/redirect/redirect.php';
116	require_once __DIR__ . '/models/url/url.php';
117	require_once __DIR__ . '/models/regex.php';
118	require_once __DIR__ . '/models/module.php';
119	require_once __DIR__ . '/models/log/log.php';
120	require_once __DIR__ . '/models/flusher.php';
121	require_once __DIR__ . '/models/match.php';
122	require_once __DIR__ . '/models/action.php';
123	require_once __DIR__ . '/models/request.php';
124	require_once __DIR__ . '/models/header.php';
125	require_once __DIR__ . '/models/group.php';
126	}
127
128	/**
129	* Clear PHP opcache when plugin is updated. This is to help with mid-update errors.
130	*
131	* @param object $upgrader The upgrader object.
132	* @param array{action: string, type: string, plugins?: string[]} $options The upgrade options.
133	* @return void
134	*/
135	function redirection_clear_opcache_on_upgrade( $upgrader, $options ) {
136	if ( $options['action'] !== 'update' \|\| $options['type'] !== 'plugin' ) {
137	return;
138	}
139
140	$plugin_basename = plugin_basename( REDIRECTION_FILE );
141	$plugins = $options['plugins'] ?? [];
142
143	if ( ! in_array( $plugin_basename, $plugins, true ) ) {
144	return;
145	}
146
147	if ( function_exists( 'opcache_reset' ) ) {
148	// Suppress warnings if opcache_reset is restricted by server configuration
149	@opcache_reset(); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
150	}
151	}
152
153	add_action( 'upgrader_process_complete', 'redirection_clear_opcache_on_upgrade', 10, 2 );
154
155	/**
156	* @return bool
157	*/
158	function red_is_wpcli() {
159	if ( defined( 'WP_CLI' ) && WP_CLI ) {
160	return true;
161	}
162
163	return false;
164	}
165
166	/**
167	* Detect a plain PHP CLI context (e.g., a cron script that loads wp-load.php
168	* directly). Distinct from red_is_wpcli(), which is only true under WP-CLI.
169	* Used to skip front-end redirect enforcement that would otherwise call die()
170	* and silently terminate the CLI process.
171	*
172	* @return bool
173	*/
174	function red_is_cli() {
175	return PHP_SAPI === 'cli';
176	}
177
178	/**
179	* @return bool
180	*/
181	function red_is_admin() {
182	if ( is_admin() ) {
183	return true;
184	}
185
186	return false;
187	}
188
189	/**
190	* @return void
191	*/
192	function red_start_rest() {
193	if ( red_is_refactor_enabled() ) {
194	Redirection\Api\Api::init();
195	Redirection\Plugin\Admin::init();
196	remove_action( 'rest_api_init', 'red_start_rest' );
197	return;
198	}
199
200	require_once __DIR__ . '/redirection-admin.php';
201	Redirection\Api\Api::init();
202	Redirection_Admin::init();
203
204	remove_action( 'rest_api_init', 'red_start_rest' );
205	}
206
207	/**
208	* @return void
209	*/
210	function redirection_locale() {
211	load_plugin_textdomain( 'redirection', false, dirname( plugin_basename( REDIRECTION_FILE ) ) . '/locale/' );
212	}
213
214	if ( red_is_refactor_enabled() ) {
215	if ( red_is_admin() \|\| red_is_wpcli() ) {
216	register_activation_hook( REDIRECTION_FILE, [ Redirection\Plugin\Admin::class, 'plugin_activated' ] );
217
218	// @phpstan-ignore return.void
219	add_action( 'init', [ Redirection\Plugin\Admin::class, 'init' ] );
220	} else {
221	// @phpstan-ignore return.void
222	add_action( 'plugins_loaded', [ Redirection\Plugin\Front::class, 'init' ] );
223	}
224
225	if ( red_is_wpcli() ) {
226	WP_CLI::add_command( 'redirection', Redirection\Plugin\Cli::class );
227
228	add_action(
229	Redirection\Plugin\Flusher::DELETE_HOOK,
230	function () {
231	$flusher = new Redirection\Plugin\Flusher();
232	$flusher->flush();
233	}
234	);
235	}
236	} elseif ( red_is_admin() \|\| red_is_wpcli() ) {
237	require_once __DIR__ . '/redirection-admin.php';
238	} else {
239	require_once __DIR__ . '/redirection-front.php';
240	}
241
242	if ( ! red_is_refactor_enabled() && red_is_wpcli() ) {
243	require_once __DIR__ . '/redirection-cli.php';
244	}
245
246	add_action( 'rest_api_init', 'red_start_rest' );
247	add_action( 'init', 'redirection_locale' );
248