powered-cache / includes / class-powered-cache-extensions.php

class-powered-cache-extensions.php in Powered Cache – Caching and Optimization for WordPress – Easily Improve PageSpeed & Web Vitals Score 1.2.5, at includes/class-powered-cache-extensions.php

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1	<?php
2
3	if ( ! defined( 'ABSPATH' ) ) {
4	exit;
5	}
6
7
8	class Powered_Cache_Extensions {
9
10	public $core_extension_dir;
11
12
13	/**
14	* placeholder construct
15	*
16	* @since 1.0
17	*/
18	public function __construct() {}
19
20	/**
21	* Setup $core_extension_dir
22	*
23	* @since 1.0
24	*/
25	private function setup() {
26	$this->core_extension_dir = apply_filters( 'powered_cache_extension_dir', POWERED_CACHE_PLUGIN_DIR . 'extensions/' );
27	}
28
29	/**
30	* Get extension info
31	*
32	* @see load_extentions() method gets extension path from here!
33	* @since 1.0
34	* @return mixed\|void\|array
35	*/
36	public function get_extentions() {
37	global $powered_cache_fs;
38
39	$extentions = array(
40	'cloudflare' => $this->core_extension_dir . 'cloudflare/cloudflare.php',
41	'remote-cron' => $this->core_extension_dir . 'remote-cron/remote-cron.php',
42	'lazy-load' => $this->core_extension_dir . 'lazy-load/lazy-load.php',
43	'preload' => $this->core_extension_dir . 'preload/preload.php',
44	'varnish' => $this->core_extension_dir . 'varnish/varnish.php',
45	'minifier' => $this->core_extension_dir . 'minifier/minifier.php',
46	);
47
48
49	do_action_ref_array( 'powered_cache_register_extensions', array( $this->core_extension_dir, &$extentions ) );
50
51	$extension_info = array();
52
53	$default_headers = array(
54	'Name' => 'Extension Name',
55	'ExtensionURI' => 'Extension URI',
56	'Version' => 'Version',
57	'Description' => 'Description',
58	'Author' => 'Author',
59	'AuthorURI' => 'Author URI',
60	'ExtensionImage' => 'Extension Image',
61	'Premium' => 'Premium',
62	);
63
64	foreach ( $extentions as $id => $extention ) {
65
66	if ( $powered_cache_fs->exists( $extention ) ) {
67
68	$header_data = get_file_data( $extention, $default_headers );
69	if ( ! empty( $header_data['ExtensionImage'] ) && $powered_cache_fs->exists( plugin_dir_path( $extention ) . $header_data['ExtensionImage'] ) ) {
70	$header_data['ExtensionImage'] = plugin_dir_url( $extention ) . $header_data['ExtensionImage'];
71	}
72
73	$extension_info[ $id ] = $header_data;
74	$extension_info[ $id ]['path'] = $extention;
75	}
76	}
77
78
79	return apply_filters( 'powered_cache_extension_info', $extension_info );
80	}
81
82
83	/**
84	* Load activated extensions
85	*
86	* @since 1.0
87	*/
88	public function load_extentions() {
89	global $powered_cache_fs;
90
91	do_action( 'powered_cache_before_extension_load' );
92
93	$activated_extensions = powered_cache_get_option('active_extensions');
94
95	if ( is_array( $activated_extensions ) ) {
96	$extensions = $this->get_extentions();
97
98	foreach ( $activated_extensions as $extension ) {
99	if ( isset( $extensions[ $extension ] ) && $powered_cache_fs->exists( $extensions[ $extension ]['path'] ) ) {
100	include_once $extensions[ $extension ]['path'];
101
102	// fire after extension loaded
103	do_action( 'powered_cache_extension_' . $extension . '_loaded', $extension );
104	}
105	}
106
107	}
108
109	// get active extensions and load
110	do_action( 'powered_cache_extensions_loaded' );
111	}
112
113	/**
114	* Check powered cache's extension active
115	*
116	* @since 1.0
117	*
118	* @param string $extension_id
119	*
120	* @return bool
121	*/
122	public function is_active( $extension_id ) {
123	$options = get_option( 'powered_cache_settings' );
124	if ( is_array( $options ) && isset( $options['active_extensions'] )
125	&& is_array( $options['active_extensions'] )
126	&& in_array( $extension_id, $options['active_extensions'] )
127	) {
128	return true;
129	}
130
131	return false;
132	}
133
134
135	/**
136	* Activates extension
137	*
138	* @param $extension_id
139	*
140	* @since 1.0
141	* @return bool
142	*/
143	public function activate( $extension_id ) {
144
145	if ( $this->is_active( $extension_id ) ) {
146	// bail if already active
147	return false;
148	}
149
150	$old_options = $new_options = powered_cache_get_settings();
151
152	if ( isset( $old_options['active_extensions'] ) && is_array( $old_options['active_extensions'] ) ) {
153	$new_options['active_extensions'] = array_merge( $old_options['active_extensions'], array( $extension_id ) );
154	} else {
155	$new_options['active_extensions'][] = $extension_id;
156	}
157
158	do_action( 'powered_cache_extension_activate_' . $extension_id );
159	powered_cache_save_settings( $old_options, $new_options );
160
161	return true;
162	}
163
164	/**
165	* Deactivate given extension
166	*
167	* @param $extension_id
168	*
169	* @since 1.0
170	* @return bool
171	*/
172	public function deactivate( $extension_id ) {
173
174	if ( ! $this->is_active( $extension_id ) ) {
175	// bail if already deactive
176	return false;
177	}
178
179	$old_options = $new_options = powered_cache_get_settings();
180
181	$key = array_search( $extension_id, $old_options['active_extensions'] );
182
183	if ( false !== $key ) {
184	unset( $new_options['active_extensions'][ $key ] );
185	}
186
187
188	do_action( 'powered_cache_extension_deactivate_' . $extension_id );
189	powered_cache_save_settings( $old_options, $new_options );
190
191	return true;
192	}
193
194
195	/**
196	* Return an instance of the current class
197	*
198	* @since 1.0
199	* @return Powered_Cache_Extensions
200	*/
201	public static function factory() {
202
203	static $instance;
204
205	if ( ! $instance ) {
206	$instance = new self();
207	$instance->setup();
208	}
209
210	return $instance;
211	}
212
213	}