convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 1.9.8.0, 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_bulk_edit'] = new ConvertKit_Admin_Bulk_Edit();
68	$this->classes['admin_category'] = new ConvertKit_Admin_Category();
69	$this->classes['admin_post'] = new ConvertKit_Admin_Post();
70	$this->classes['admin_quick_edit'] = new ConvertKit_Admin_Quick_Edit();
71	$this->classes['admin_settings'] = new ConvertKit_Admin_Settings();
72	$this->classes['admin_tinymce'] = new ConvertKit_Admin_TinyMCE();
73	$this->classes['admin_user'] = new ConvertKit_Admin_User();
74
75	/**
76	* Initialize integration classes for the WordPress Administration interface.
77	*
78	* @since 1.9.6
79	*/
80	do_action( 'convertkit_initialize_admin' );
81
82	}
83
84	/**
85	* Initialize classes for the WordPress Administration interface or a frontend Page Builder
86	*
87	* @since 1.9.6
88	*/
89	private function initialize_admin_or_frontend_editor() {
90
91	// Bail if this request isn't for the WordPress Administration interface and isn't for a frontend Page Builder.
92	if ( ! $this->is_admin_or_frontend_editor() ) {
93	return;
94	}
95
96	/**
97	* Initialize integration classes for the WordPress Administration interface or a frontend Page Builder.
98	*
99	* @since 1.9.6
100	*/
101	do_action( 'convertkit_initialize_admin_or_frontend_editor' );
102
103	}
104
105	/**
106	* Initialize classes for WP-CLI and WP-Cron
107	*
108	* @since 2.5.2
109	*/
110	private function initialize_cli_cron() {
111
112	// Bail if this isn't a CLI or CRON request.
113	if ( ! $this->is_cli() && ! $this->is_cron() ) {
114	return;
115	}
116
117	/**
118	* Initialize integration classes for WP-CLI and WP-Cron.
119	*
120	* @since 1.9.6
121	*/
122	do_action( 'convertkit_initialize_cli_cron' );
123
124	}
125
126	/**
127	* Initialize classes for the frontend web site
128	*
129	* @since 1.9.6
130	*/
131	private function initialize_frontend() {
132
133	// Bail if this request isn't for the frontend web site.
134	if ( is_admin() ) {
135	return;
136	}
137
138	$this->classes['output'] = new ConvertKit_Output();
139
140	/**
141	* Initialize integration classes for the frontend web site.
142	*
143	* @since 1.9.6
144	*/
145	do_action( 'convertkit_initialize_frontend' );
146
147	}
148
149	/**
150	* Initialize classes required globally, across the WordPress Administration, CLI, Cron and Frontend
151	* web site.
152	*
153	* @since 1.9.6
154	*/
155	private function initialize_global() {
156
157	$this->classes['ajax'] = new ConvertKit_AJAX();
158	$this->classes['blocks_convertkit_broadcasts'] = new ConvertKit_Block_Broadcasts();
159	$this->classes['blocks_convertkit_content'] = new ConvertKit_Block_Content();
160	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
161	$this->classes['elementor'] = new ConvertKit_Elementor();
162	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
163	$this->classes['review_request'] = new ConvertKit_Review_Request( 'ConvertKit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
164	$this->classes['setup'] = new ConvertKit_Setup();
165	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
166	$this->classes['widgets'] = new ConvertKit_Widgets();
167
168	// Run the setup's update process on WordPress' init hook.
169	// Doing this sooner may result in errors with WordPress functions that are not yet
170	// available to the update routine.
171	add_action( 'init', array( $this, 'update' ) );
172
173	/**
174	* Initialize integration classes for the frontend web site.
175	*
176	* @since 1.9.6
177	*/
178	do_action( 'convertkit_initialize_global' );
179
180	}
181
182	/**
183	* Runs the Plugin's update routine, which checks if
184	* the Plugin has just been updated to a newer version,
185	* and if so runs any specific processes that might be needed.
186	*
187	* @since 1.9.7.4
188	*/
189	public function update() {
190
191	$this->get_class( 'setup' )->update();
192
193	}
194
195	/**
196	* Improved version of WordPress' is_admin(), which includes whether we're
197	* editing on the frontend using a Page Builder.
198	*
199	* @since 1.9.6
200	*
201	* @return bool Is Admin or Frontend Editor Request
202	*/
203	public function is_admin_or_frontend_editor() {
204
205	// If we're in the wp-admin, return true.
206	if ( is_admin() ) {
207	return true;
208	}
209
210	// Pro.
211	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
212	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/pro/' ) !== false ) {
213	return true;
214	}
215	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/x/' ) !== false ) {
216	return true;
217	}
218	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), 'cornerstone-endpoint' ) !== false ) {
219	return true;
220	}
221	}
222
223	// If the request global exists, check for specific request keys which tell us
224	// that we're using a frontend editor.
225	// Avada Live.
226	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) { // phpcs:ignore
227	return true;
228	}
229
230	// Beaver Builder.
231	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) { // phpcs:ignore
232	return true;
233	}
234
235	// Brizy.
236	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) { // phpcs:ignore
237	return true;
238	}
239
240	// Cornerstone (AJAX).
241	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) { // phpcs:ignore
242	return true;
243	}
244
245	// Divi.
246	if ( array_key_exists( 'et_fb', $_REQUEST ) ) { // phpcs:ignore
247	return true;
248	}
249
250	// Elementor.
251	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'elementor' ) { // phpcs:ignore
252	return true;
253	}
254
255	// Kallyas.
256	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) { // phpcs:ignore
257	return true;
258	}
259
260	// Oxygen.
261	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) { // phpcs:ignore
262	return true;
263	}
264
265	// Thrive Architect.
266	if ( array_key_exists( 'tve', $_REQUEST ) ) { // phpcs:ignore
267	return true;
268	}
269
270	// Visual Composer.
271	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) { // phpcs:ignore
272	return true;
273	}
274
275	// WPBakery Page Builder.
276	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) { // phpcs:ignore
277	return true;
278	}
279
280	// Zion Builder.
281	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'zion_builder_active' ) { // phpcs:ignore
282	return true;
283	}
284
285	// Assume we're not in the Administration interface.
286	$is_admin_or_frontend_editor = false;
287
288	/**
289	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
290	*
291	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
292	*
293	* @since 1.9.6
294	*
295	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
296	*/
297	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor ); // phpcs:ignore
298
299	// Return filtered result.
300	return $is_admin_or_frontend_editor;
301
302	}
303
304	/**
305	* Detects if the request is through the WP-CLI
306	*
307	* @since 1.9.6
308	*
309	* @return bool Is WP-CLI Request
310	*/
311	public function is_cli() {
312
313	if ( ! defined( 'WP_CLI' ) ) {
314	return false;
315	}
316	if ( ! WP_CLI ) {
317	return false;
318	}
319
320	return true;
321
322	}
323
324	/**
325	* Detects if the request is through the WP CRON
326	*
327	* @since 1.9.6
328	*
329	* @return bool Is WP CRON Request
330	*/
331	public function is_cron() {
332
333	if ( ! defined( 'DOING_CRON' ) ) {
334	return false;
335	}
336	if ( ! DOING_CRON ) {
337	return false;
338	}
339
340	return true;
341
342	}
343
344	/**
345	* Loads plugin textdomain
346	*
347	* @since 1.0.0
348	*/
349	public function load_language_files() {
350
351	load_plugin_textdomain( 'convertkit', false, basename( dirname( CONVERTKIT_PLUGIN_FILE ) ) . '/languages/' ); // @phpstan-ignore-line.
352
353	}
354
355	/**
356	* Returns the given class
357	*
358	* @since 1.9.6
359	*
360	* @param string $name Class Name.
361	* @return object Class Object
362	*/
363	public function get_class( $name ) {
364
365	// If the class hasn't been loaded, throw a WordPress die screen
366	// to avoid a PHP fatal error.
367	if ( ! isset( $this->classes[ $name ] ) ) {
368	// Define the error.
369	$error = new WP_Error(
370	'convertkit_get_class',
371	sprintf(
372	/* translators: %1$s: PHP class name */
373	__( 'ConvertKit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
374	$name
375	)
376	);
377
378	// Depending on the request, return or display an error.
379	// Admin UI.
380	if ( is_admin() ) {
381	wp_die(
382	esc_attr( $error->get_error_message() ),
383	esc_html__( 'ConvertKit Error', 'convertkit' ),
384	array(
385	'back_link' => true,
386	)
387	);
388	}
389
390	// Cron / CLI.
391	return $error;
392	}
393
394	// Return the class object.
395	return $this->classes[ $name ];
396
397	}
398
399	/**
400	* Returns the singleton instance of the class.
401	*
402	* @since 1.1.6
403	*
404	* @return object Class.
405	*/
406	public static function get_instance() {
407
408	if ( ! isset( self::$instance ) && ! ( self::$instance instanceof self ) ) { // @phpstan-ignore-line.
409	self::$instance = new self();
410	}
411
412	return self::$instance;
413
414	}
415
416	}
417