convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 2.1.2, 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_bulk_edit'] = new ConvertKit_Admin_Bulk_Edit();
68	$this->classes['admin_category'] = new ConvertKit_Admin_Category();
69	$this->classes['admin_notices'] = new ConvertKit_Admin_Notices();
70	$this->classes['admin_post'] = new ConvertKit_Admin_Post();
71	$this->classes['admin_quick_edit'] = new ConvertKit_Admin_Quick_Edit();
72	$this->classes['admin_refresh_resources'] = new ConvertKit_Admin_Refresh_Resources();
73	$this->classes['admin_restrict_content'] = new ConvertKit_Admin_Restrict_Content();
74	$this->classes['admin_settings'] = new ConvertKit_Admin_Settings();
75	$this->classes['admin_setup_wizard_plugin'] = new ConvertKit_Admin_Setup_Wizard_Plugin();
76	$this->classes['admin_setup_wizard_restrict_content'] = new ConvertKit_Admin_Setup_Wizard_Restrict_Content();
77	$this->classes['admin_tinymce'] = new ConvertKit_Admin_TinyMCE();
78	$this->classes['admin_user'] = new ConvertKit_Admin_User();
79
80	/**
81	* Initialize integration classes for the WordPress Administration interface.
82	*
83	* @since 1.9.6
84	*/
85	do_action( 'convertkit_initialize_admin' );
86
87	}
88
89	/**
90	* Initialize classes for the WordPress Administration interface or a frontend Page Builder
91	*
92	* @since 1.9.6
93	*/
94	private function initialize_admin_or_frontend_editor() {
95
96	// Bail if this request isn't for the WordPress Administration interface and isn't for a frontend Page Builder.
97	if ( ! $this->is_admin_or_frontend_editor() ) {
98	return;
99	}
100
101	/**
102	* Initialize integration classes for the WordPress Administration interface or a frontend Page Builder.
103	*
104	* @since 1.9.6
105	*/
106	do_action( 'convertkit_initialize_admin_or_frontend_editor' );
107
108	}
109
110	/**
111	* Initialize classes for WP-CLI and WP-Cron
112	*
113	* @since 2.5.2
114	*/
115	private function initialize_cli_cron() {
116
117	// Bail if this isn't a CLI or CRON request.
118	if ( ! $this->is_cli() && ! $this->is_cron() ) {
119	return;
120	}
121
122	/**
123	* Initialize integration classes for WP-CLI and WP-Cron.
124	*
125	* @since 1.9.6
126	*/
127	do_action( 'convertkit_initialize_cli_cron' );
128
129	}
130
131	/**
132	* Initialize classes for the frontend web site
133	*
134	* @since 1.9.6
135	*/
136	private function initialize_frontend() {
137
138	// Bail if this request isn't for the frontend web site.
139	if ( is_admin() ) {
140	return;
141	}
142
143	$this->classes['output'] = new ConvertKit_Output();
144	$this->classes['output_restrict_content'] = new ConvertKit_Output_Restrict_Content();
145
146	/**
147	* Initialize integration classes for the frontend web site.
148	*
149	* @since 1.9.6
150	*/
151	do_action( 'convertkit_initialize_frontend' );
152
153	}
154
155	/**
156	* Initialize classes required globally, across the WordPress Administration, CLI, Cron and Frontend
157	* web site.
158	*
159	* @since 1.9.6
160	*/
161	private function initialize_global() {
162
163	$this->classes['ajax'] = new ConvertKit_AJAX();
164	$this->classes['blocks_convertkit_broadcasts'] = new ConvertKit_Block_Broadcasts();
165	$this->classes['blocks_convertkit_content'] = new ConvertKit_Block_Content();
166	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
167	$this->classes['blocks_convertkit_product'] = new ConvertKit_Block_Product();
168	$this->classes['elementor'] = new ConvertKit_Elementor();
169	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
170	$this->classes['post_type_product'] = new ConvertKit_Post_Type_Product();
171	$this->classes['review_request'] = new ConvertKit_Review_Request( 'ConvertKit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
172	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
173	$this->classes['setup'] = new ConvertKit_Setup();
174	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
175	$this->classes['widgets'] = new ConvertKit_Widgets();
176
177	// Run the setup's update process on WordPress' init hook.
178	// Doing this sooner may result in errors with WordPress functions that are not yet
179	// available to the update routine.
180	add_action( 'init', array( $this, 'update' ) );
181
182	/**
183	* Initialize integration classes for the frontend web site.
184	*
185	* @since 1.9.6
186	*/
187	do_action( 'convertkit_initialize_global' );
188
189	}
190
191	/**
192	* Runs the Plugin's update routine, which checks if
193	* the Plugin has just been updated to a newer version,
194	* and if so runs any specific processes that might be needed.
195	*
196	* @since 1.9.7.4
197	*/
198	public function update() {
199
200	$this->get_class( 'setup' )->update();
201
202	}
203
204	/**
205	* Improved version of WordPress' is_admin(), which includes whether we're
206	* editing on the frontend using a Page Builder.
207	*
208	* @since 1.9.6
209	*
210	* @return bool Is Admin or Frontend Editor Request
211	*/
212	public function is_admin_or_frontend_editor() {
213
214	// If we're in the wp-admin, return true.
215	if ( is_admin() ) {
216	return true;
217	}
218
219	// Pro.
220	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
221	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/pro/' ) !== false ) {
222	return true;
223	}
224	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/x/' ) !== false ) {
225	return true;
226	}
227	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), 'cornerstone-endpoint' ) !== false ) {
228	return true;
229	}
230	}
231
232	// If the request global exists, check for specific request keys which tell us
233	// that we're using a frontend editor.
234	// Avada Live.
235	// phpcs:disable WordPress.Security.NonceVerification.Recommended
236	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
237	return true;
238	}
239
240	// Beaver Builder.
241	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
242	return true;
243	}
244
245	// Brizy.
246	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
247	return true;
248	}
249
250	// Cornerstone (AJAX).
251	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
252	return true;
253	}
254
255	// Divi.
256	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
257	return true;
258	}
259
260	// Elementor.
261	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'elementor' ) {
262	return true;
263	}
264
265	// Kallyas.
266	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
267	return true;
268	}
269
270	// Oxygen.
271	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
272	return true;
273	}
274
275	// Thrive Architect.
276	if ( array_key_exists( 'tve', $_REQUEST ) ) {
277	return true;
278	}
279
280	// Visual Composer.
281	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
282	return true;
283	}
284
285	// WPBakery Page Builder.
286	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
287	return true;
288	}
289
290	// Zion Builder.
291	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'zion_builder_active' ) {
292	return true;
293	}
294
295	// Assume we're not in the Administration interface.
296	$is_admin_or_frontend_editor = false;
297
298	/**
299	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
300	*
301	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
302	*
303	* @since 1.9.6
304	*
305	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
306	*/
307	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
308
309	// phpcs:enable
310
311	// Return filtered result.
312	return $is_admin_or_frontend_editor;
313
314	}
315
316	/**
317	* Detects if the request is through the WP-CLI
318	*
319	* @since 1.9.6
320	*
321	* @return bool Is WP-CLI Request
322	*/
323	public function is_cli() {
324
325	if ( ! defined( 'WP_CLI' ) ) {
326	return false;
327	}
328	if ( ! WP_CLI ) {
329	return false;
330	}
331
332	return true;
333
334	}
335
336	/**
337	* Detects if the request is through the WP CRON
338	*
339	* @since 1.9.6
340	*
341	* @return bool Is WP CRON Request
342	*/
343	public function is_cron() {
344
345	if ( ! defined( 'DOING_CRON' ) ) {
346	return false;
347	}
348	if ( ! DOING_CRON ) {
349	return false;
350	}
351
352	return true;
353
354	}
355
356	/**
357	* Loads plugin textdomain
358	*
359	* @since 1.0.0
360	*/
361	public function load_language_files() {
362
363	load_plugin_textdomain( 'convertkit', false, basename( dirname( CONVERTKIT_PLUGIN_FILE ) ) . '/languages/' ); // @phpstan-ignore-line.
364
365	}
366
367	/**
368	* Returns the given class
369	*
370	* @since 1.9.6
371	*
372	* @param string $name Class Name.
373	* @return object Class Object
374	*/
375	public function get_class( $name ) {
376
377	// If the class hasn't been loaded, throw a WordPress die screen
378	// to avoid a PHP fatal error.
379	if ( ! isset( $this->classes[ $name ] ) ) {
380	// Define the error.
381	$error = new WP_Error(
382	'convertkit_get_class',
383	sprintf(
384	/* translators: %1$s: PHP class name */
385	__( 'ConvertKit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
386	$name
387	)
388	);
389
390	// Depending on the request, return or display an error.
391	// Admin UI.
392	if ( is_admin() ) {
393	wp_die(
394	esc_attr( $error->get_error_message() ),
395	esc_html__( 'ConvertKit Error', 'convertkit' ),
396	array(
397	'back_link' => true,
398	)
399	);
400	}
401
402	// Cron / CLI.
403	return $error;
404	}
405
406	// Return the class object.
407	return $this->classes[ $name ];
408
409	}
410
411	/**
412	* Returns the singleton instance of the class.
413	*
414	* @since 1.1.6
415	*
416	* @return object Class.
417	*/
418	public static function get_instance() {
419
420	if ( ! isset( self::$instance ) && ! ( self::$instance instanceof self ) ) { // @phpstan-ignore-line.
421	self::$instance = new self();
422	}
423
424	return self::$instance;
425
426	}
427
428	}
429