imagify / classes / Imagifybeat / Core.php

Core.php in Imagify Image Optimization: Optimize Images | Compress & Convert to WebP/AVIF 2.0, at classes/Imagifybeat/Core.php

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1	<?php
2	namespace Imagify\Imagifybeat;
3
4	defined( 'ABSPATH' ) \|\| die( 'Cheatin’ uh?' );
5
6	/**
7	* Imagifybeat core.
8	*
9	* @since 1.9.3
10	* @author Grégory Viguier
11	*/
12	class Core {
13	use \Imagify\Traits\InstanceGetterTrait;
14
15	/**
16	* Class init: launch hooks.
17	*
18	* @since 1.9.3
19	* @access public
20	* @author Grégory Viguier
21	*/
22	public function init() {
23	add_action( 'wp_ajax_imagifybeat', [ $this, 'core_handler' ], 1 );
24	add_filter( 'imagifybeat_refresh_nonces', [ $this, 'refresh_imagifybeat_nonces' ] );
25	}
26
27	/**
28	* Ajax handler for the Imagifybeat API.
29	*
30	* Runs when the user is logged in.
31	*
32	* @since 1.9.3
33	* @access public
34	* @author Grégory Viguier
35	*/
36	public function core_handler() {
37	if ( empty( $_POST['_nonce'] ) ) {
38	wp_send_json_error();
39	}
40
41	$data = [];
42	$response = [];
43	$nonce_state = wp_verify_nonce( wp_unslash( $_POST['_nonce'] ), 'imagifybeat-nonce' );
44
45	// Screen_id is the same as $current_screen->id and the JS global 'pagenow'.
46	if ( ! empty( $_POST['screen_id'] ) ) {
47	$screen_id = sanitize_key( $_POST['screen_id'] );
48	} else {
49	$screen_id = 'front';
50	}
51
52	if ( ! empty( $_POST['data'] ) ) {
53	$data = wp_unslash( (array) $_POST['data'] );
54	}
55
56	if ( 1 !== $nonce_state ) {
57	/**
58	* Filters the nonces to send.
59	*
60	* @since 1.9.3
61	* @author Grégory Viguier
62	*
63	* @param array $response The Imagifybeat response.
64	* @param array $data The $_POST data sent.
65	* @param string $screen_id The screen id.
66	*/
67	$response = apply_filters( 'imagifybeat_refresh_nonces', $response, $data, $screen_id );
68
69	if ( false === $nonce_state ) {
70	// User is logged in but nonces have expired.
71	$response['nonces_expired'] = true;
72	wp_send_json( $response );
73	}
74	}
75
76	if ( ! empty( $data ) ) {
77	/**
78	* Filters the Imagifybeat response received.
79	*
80	* @since 1.9.3
81	* @author Grégory Viguier
82	*
83	* @param array $response The Imagifybeat response.
84	* @param array $data The $_POST data sent.
85	* @param string $screen_id The screen id.
86	*/
87	$response = apply_filters( 'imagifybeat_received', $response, $data, $screen_id );
88	}
89
90	/**
91	* Filters the Imagifybeat response sent.
92	*
93	* @since 1.9.3
94	* @author Grégory Viguier
95	*
96	* @param array $response The Imagifybeat response.
97	* @param string $screen_id The screen id.
98	*/
99	$response = apply_filters( 'imagifybeat_send', $response, $screen_id );
100
101	/**
102	* Fires when Imagifybeat ticks in logged-in environments.
103	*
104	* Allows the transport to be easily replaced with long-polling.
105	*
106	* @since 1.9.3
107	* @author Grégory Viguier
108	*
109	* @param array $response The Imagifybeat response.
110	* @param string $screen_id The screen id.
111	*/
112	do_action( 'imagifybeat_tick', $response, $screen_id );
113
114	// Send the current time according to the server.
115	$response['server_time'] = time();
116
117	wp_send_json( $response );
118	}
119
120	/**
121	* Add the latest Imagifybeat nonce to the Imagifybeat response.
122	*
123	* @since 1.9.3
124	* @access public
125	* @author Grégory Viguier
126	*
127	* @param array $response The Imagifybeat response.
128	* @return array The Imagifybeat response.
129	*/
130	public function refresh_imagifybeat_nonces( $response ) {
131	// Refresh the Imagifybeat nonce.
132	$response['imagifybeat_nonce'] = wp_create_nonce( 'imagifybeat-nonce' );
133	return $response;
134	}
135
136	/**
137	* Get Imagifybeat settings.
138	*
139	* @since 1.9.3
140	* @access public
141	* @author Grégory Viguier
142	*
143	* @return array
144	*/
145	public function get_settings() {
146	global $pagenow;
147
148	$settings = [];
149
150	if ( ! is_admin() ) {
151	$settings['ajaxurl'] = admin_url( 'admin-ajax.php', 'relative' );
152	}
153
154	if ( is_user_logged_in() ) {
155	$settings['nonce'] = wp_create_nonce( 'imagifybeat-nonce' );
156	}
157
158	if ( 'customize.php' === $pagenow ) {
159	$settings['screenId'] = 'customize';
160	}
161
162	/**
163	* Filters the Imagifybeat settings.
164	*
165	* @since 1.9.3
166	* @author Grégory Viguier
167	*
168	* @param array $settings Imagifybeat settings array.
169	*/
170	return (array) apply_filters( 'imagifybeat_settings', $settings );
171	}
172	}
173