convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 1.9.7.2, at includes/class-wp-convertkit.php

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1	<?php
2	/**
3	* ConvertKit class.
4	*
5	* @package ConvertKit
6	* @author ConvertKit
7	*/
8
9	/**
10	* Class ConvertKit
11	*
12	* @package ConvertKit
13	* @author ConvertKit
14	*/
15	class WP_ConvertKit {
16
17	/**
18	* Holds the class object.
19	*
20	* @since 1.9.6
21	*
22	* @var object
23	*/
24	public static $instance;
25
26	/**
27	* Holds singleton initialized classes that include
28	* action and filter hooks.
29	*
30	* @since 1.9.6
31	*
32	* @var array
33	*/
34	private $classes = array();
35
36	/**
37	* Constructor. Acts as a bootstrap to load the rest of the plugin
38	*
39	* @since 1.9.6
40	*/
41	public function __construct() {
42
43	// Initialize class(es) to register hooks.
44	$this->initialize_admin();
45	$this->initialize_admin_or_frontend_editor();
46	$this->initialize_cli_cron();
47	$this->initialize_frontend();
48	$this->initialize_global();
49
50	// Load language files.
51	add_action( 'init', array( $this, 'load_language_files' ) );
52
53	}
54
55	/**
56	* Initialize classes for the WordPress Administration interface
57	*
58	* @since 1.9.6
59	*/
60	private function initialize_admin() {
61
62	// Bail if this request isn't for the WordPress Administration interface.
63	if ( ! is_admin() ) {
64	return;
65	}
66
67	$this->classes['admin_category'] = new ConvertKit_Admin_Category();
68	$this->classes['admin_post'] = new ConvertKit_Admin_Post();
69	$this->classes['admin_settings'] = new ConvertKit_Admin_Settings();
70	$this->classes['admin_tinymce'] = new ConvertKit_Admin_TinyMCE();
71	$this->classes['admin_upgrade'] = new ConvertKit_Admin_Upgrade();
72	$this->classes['admin_user'] = new ConvertKit_Admin_User();
73
74	// Run upgrade routine.
75	add_action( 'init', array( $this->classes['admin_upgrade'], 'run' ), 2 );
76
77	/**
78	* Initialize integration classes for the WordPress Administration interface.
79	*
80	* @since 1.9.6
81	*/
82	do_action( 'convertkit_initialize_admin' );
83
84	}
85
86	/**
87	* Initialize classes for the WordPress Administration interface or a frontend Page Builder
88	*
89	* @since 1.9.6
90	*/
91	private function initialize_admin_or_frontend_editor() {
92
93	// Bail if this request isn't for the WordPress Administration interface and isn't for a frontend Page Builder.
94	if ( ! $this->is_admin_or_frontend_editor() ) {
95	return;
96	}
97
98	/**
99	* Initialize integration classes for the WordPress Administration interface or a frontend Page Builder.
100	*
101	* @since 1.9.6
102	*/
103	do_action( 'convertkit_initialize_admin_or_frontend_editor' );
104
105	}
106
107	/**
108	* Initialize classes for WP-CLI and WP-Cron
109	*
110	* @since 2.5.2
111	*/
112	private function initialize_cli_cron() {
113
114	// Bail if this isn't a CLI or CRON request.
115	if ( ! $this->is_cli() && ! $this->is_cron() ) {
116	return;
117	}
118
119	/**
120	* Initialize integration classes for WP-CLI and WP-Cron.
121	*
122	* @since 1.9.6
123	*/
124	do_action( 'convertkit_initialize_cli_cron' );
125
126	}
127
128	/**
129	* Initialize classes for the frontend web site
130	*
131	* @since 1.9.6
132	*/
133	private function initialize_frontend() {
134
135	// Bail if this request isn't for the frontend web site.
136	if ( is_admin() ) {
137	return;
138	}
139
140	$this->classes['output'] = new ConvertKit_Output();
141
142	/**
143	* Initialize integration classes for the frontend web site.
144	*
145	* @since 1.9.6
146	*/
147	do_action( 'convertkit_initialize_frontend' );
148
149	}
150
151	/**
152	* Initialize classes required globally, across the WordPress Administration, CLI, Cron and Frontend
153	* web site.
154	*
155	* @since 1.9.6
156	*/
157	private function initialize_global() {
158
159	$this->classes['ajax'] = new ConvertKit_AJAX();
160	$this->classes['blocks_convertkit_content'] = new ConvertKit_Block_Content();
161	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
162	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
163	$this->classes['review_request'] = new ConvertKit_Review_Request( 'ConvertKit', 'convertkit' );
164	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
165	$this->classes['widgets'] = new ConvertKit_Widgets();
166
167	/**
168	* Initialize integration classes for the frontend web site.
169	*
170	* @since 1.9.6
171	*/
172	do_action( 'convertkit_initialize_global' );
173
174	}
175
176	/**
177	* Improved version of WordPress' is_admin(), which includes whether we're
178	* editing on the frontend using a Page Builder.
179	*
180	* @since 1.9.6
181	*
182	* @return bool Is Admin or Frontend Editor Request
183	*/
184	public function is_admin_or_frontend_editor() {
185
186	// If we're in the wp-admin, return true.
187	if ( is_admin() ) {
188	return true;
189	}
190
191	// Pro.
192	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
193	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/pro/' ) !== false ) {
194	return true;
195	}
196	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/x/' ) !== false ) {
197	return true;
198	}
199	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), 'cornerstone-endpoint' ) !== false ) {
200	return true;
201	}
202	}
203
204	// If the request global exists, check for specific request keys which tell us
205	// that we're using a frontend editor.
206	// Avada Live.
207	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) { // phpcs:ignore
208	return true;
209	}
210
211	// Beaver Builder.
212	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) { // phpcs:ignore
213	return true;
214	}
215
216	// Brizy.
217	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) { // phpcs:ignore
218	return true;
219	}
220
221	// Cornerstone (AJAX).
222	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) { // phpcs:ignore
223	return true;
224	}
225
226	// Divi.
227	if ( array_key_exists( 'et_fb', $_REQUEST ) ) { // phpcs:ignore
228	return true;
229	}
230
231	// Elementor.
232	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'elementor' ) { // phpcs:ignore
233	return true;
234	}
235
236	// Kallyas.
237	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) { // phpcs:ignore
238	return true;
239	}
240
241	// Oxygen.
242	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) { // phpcs:ignore
243	return true;
244	}
245
246	// Thrive Architect.
247	if ( array_key_exists( 'tve', $_REQUEST ) ) { // phpcs:ignore
248	return true;
249	}
250
251	// Visual Composer.
252	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) { // phpcs:ignore
253	return true;
254	}
255
256	// WPBakery Page Builder.
257	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) { // phpcs:ignore
258	return true;
259	}
260
261	// Zion Builder.
262	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'zion_builder_active' ) { // phpcs:ignore
263	return true;
264	}
265
266	// Assume we're not in the Administration interface.
267	$is_admin_or_frontend_editor = false;
268
269	/**
270	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
271	*
272	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
273	*
274	* @since 1.9.6
275	*
276	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
277	*/
278	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor ); // phpcs:ignore
279
280	// Return filtered result.
281	return $is_admin_or_frontend_editor;
282
283	}
284
285	/**
286	* Detects if the request is through the WP-CLI
287	*
288	* @since 1.9.6
289	*
290	* @return bool Is WP-CLI Request
291	*/
292	public function is_cli() {
293
294	if ( ! defined( 'WP_CLI' ) ) {
295	return false;
296	}
297	if ( ! WP_CLI ) {
298	return false;
299	}
300
301	return true;
302
303	}
304
305	/**
306	* Detects if the request is through the WP CRON
307	*
308	* @since 1.9.6
309	*
310	* @return bool Is WP CRON Request
311	*/
312	public function is_cron() {
313
314	if ( ! defined( 'DOING_CRON' ) ) {
315	return false;
316	}
317	if ( ! DOING_CRON ) {
318	return false;
319	}
320
321	return true;
322
323	}
324
325	/**
326	* Loads plugin textdomain
327	*
328	* @since 1.0.0
329	*/
330	public function load_language_files() {
331
332	load_plugin_textdomain( 'convertkit', false, basename( dirname( CONVERTKIT_PLUGIN_FILE ) ) . '/languages/' ); // @phpstan-ignore-line.
333
334	}
335
336	/**
337	* Returns the given class
338	*
339	* @since 1.9.6
340	*
341	* @param string $name Class Name.
342	* @return object Class Object
343	*/
344	public function get_class( $name ) {
345
346	// If the class hasn't been loaded, throw a WordPress die screen
347	// to avoid a PHP fatal error.
348	if ( ! isset( $this->classes[ $name ] ) ) {
349	// Define the error.
350	$error = new WP_Error(
351	'convertkit_get_class',
352	sprintf(
353	/* translators: %1$s: PHP class name */
354	__( 'ConvertKit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
355	$name
356	)
357	);
358
359	// Depending on the request, return or display an error.
360	// Admin UI.
361	if ( is_admin() ) {
362	wp_die(
363	esc_attr( $error->get_error_message() ),
364	esc_html__( 'ConvertKit Error', 'convertkit' ),
365	array(
366	'back_link' => true,
367	)
368	);
369	}
370
371	// Cron / CLI.
372	return $error;
373	}
374
375	// Return the class object.
376	return $this->classes[ $name ];
377
378	}
379
380	/**
381	* Returns the singleton instance of the class.
382	*
383	* @since 1.1.6
384	*
385	* @return object Class.
386	*/
387	public static function get_instance() {
388
389	if ( ! isset( self::$instance ) && ! ( self::$instance instanceof self ) ) { // @phpstan-ignore-line.
390	self::$instance = new self();
391	}
392
393	return self::$instance;
394
395	}
396
397	}
398