convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 3.2.2.1, 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	private 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 classes that have hooks prior to the `init` hook.
44	// Divi Theme requires us to do this, although the Divi Builder Plugin works fine when loading
45	// our integration on `init`.
46	$this->classes['divi'] = new ConvertKit_Divi();
47	$this->classes['widgets'] = new ConvertKit_Widgets();
48
49	// Initialize Plugin classes on init, so the `_load_textdomain_just_in_time` warning isn't triggered.
50	add_action( 'init', array( $this, 'initialize' ), 1 );
51	add_action( 'init', array( $this, 'setup' ), 2 );
52
53	}
54
55	/**
56	* Initialize classes.
57	*
58	* @since 2.7.7
59	*/
60	public function initialize() {
61
62	$this->initialize_admin();
63	$this->initialize_admin_or_frontend_editor();
64	$this->initialize_cli_cron();
65	$this->initialize_frontend();
66	$this->initialize_global();
67
68	}
69
70	/**
71	* Initialize classes for the WordPress Administration interface
72	*
73	* @since 1.9.6
74	*/
75	private function initialize_admin() {
76
77	// Bail if this request isn't for the WordPress Administration interface.
78	if ( ! is_admin() ) {
79	return;
80	}
81
82	$this->classes['admin_bulk_edit'] = new ConvertKit_Admin_Bulk_Edit();
83	$this->classes['admin_cache_plugins'] = new ConvertKit_Admin_Cache_Plugins();
84	$this->classes['admin_category'] = new ConvertKit_Admin_Category();
85	$this->classes['admin_landing_page'] = new ConvertKit_Admin_Landing_Page();
86	$this->classes['admin_importer_activecampaign'] = new ConvertKit_Admin_Importer_ActiveCampaign();
87	$this->classes['admin_importer_aweber'] = new ConvertKit_Admin_Importer_AWeber();
88	$this->classes['admin_importer_campaignmonitor'] = new ConvertKit_Admin_Importer_CampaignMonitor();
89	$this->classes['admin_importer_mc4wp'] = new ConvertKit_Admin_Importer_MC4WP();
90	$this->classes['admin_importer_mailpoet'] = new ConvertKit_Admin_Importer_Mailpoet();
91	$this->classes['admin_importer_newsletter'] = new ConvertKit_Admin_Importer_Newsletter();
92	$this->classes['admin_post'] = new ConvertKit_Admin_Post();
93	$this->classes['admin_quick_edit'] = new ConvertKit_Admin_Quick_Edit();
94	$this->classes['admin_restrict_content'] = new ConvertKit_Admin_Restrict_Content();
95	$this->classes['admin_settings'] = new ConvertKit_Admin_Settings();
96	$this->classes['admin_setup_wizard_landing_page'] = new ConvertKit_Admin_Setup_Wizard_Landing_Page();
97	$this->classes['admin_setup_wizard_plugin'] = new ConvertKit_Admin_Setup_Wizard_Plugin();
98	$this->classes['admin_setup_wizard_restrict_content'] = new ConvertKit_Admin_Setup_Wizard_Restrict_Content();
99
100	/**
101	* Initialize integration classes for the WordPress Administration interface.
102	*
103	* @since 1.9.6
104	*/
105	do_action( 'convertkit_initialize_admin' );
106
107	}
108
109	/**
110	* Initialize classes for the WordPress Administration interface or a frontend Page Builder
111	*
112	* @since 1.9.6
113	*/
114	private function initialize_admin_or_frontend_editor() {
115
116	// Bail if this request isn't for the WordPress Administration interface and isn't for a frontend Page Builder.
117	if ( ! $this->is_admin_or_frontend_editor() ) {
118	return;
119	}
120
121	/**
122	* Initialize integration classes for the WordPress Administration interface or a frontend Page Builder.
123	*
124	* @since 1.9.6
125	*/
126	do_action( 'convertkit_initialize_admin_or_frontend_editor' );
127
128	}
129
130	/**
131	* Initialize classes for WP-CLI and WP-Cron
132	*
133	* @since 2.5.2
134	*/
135	private function initialize_cli_cron() {
136
137	// Bail if this isn't a CLI or CRON request.
138	if ( ! $this->is_cli() && ! $this->is_cron() ) {
139	return;
140	}
141
142	/**
143	* Initialize integration classes for WP-CLI and WP-Cron.
144	*
145	* @since 1.9.6
146	*/
147	do_action( 'convertkit_initialize_cli_cron' );
148
149	}
150
151	/**
152	* Initialize classes for the frontend web site
153	*
154	* @since 1.9.6
155	*/
156	private function initialize_frontend() {
157
158	// Bail if this request isn't for the frontend web site.
159	if ( is_admin() ) {
160	return;
161	}
162
163	$this->classes['cache_plugins'] = new ConvertKit_Cache_Plugins();
164	$this->classes['output'] = new ConvertKit_Output();
165	$this->classes['output_broadcasts'] = new ConvertKit_Output_Broadcasts();
166
167	/**
168	* Initialize integration classes for the frontend web site.
169	*
170	* @since 1.9.6
171	*/
172	do_action( 'convertkit_initialize_frontend' );
173
174	}
175
176	/**
177	* Initialize classes required globally, across the WordPress Administration, CLI, Cron and Frontend
178	* web site.
179	*
180	* @since 1.9.6
181	*/
182	private function initialize_global() {
183
184	$this->classes['admin_notices'] = new ConvertKit_Admin_Notices();
185	$this->classes['admin_tinymce'] = new ConvertKit_Admin_TinyMCE();
186	$this->classes['admin_refresh_resources'] = new ConvertKit_Admin_Refresh_Resources();
187	$this->classes['blocks_convertkit_broadcasts'] = new ConvertKit_Block_Broadcasts();
188	$this->classes['blocks_convertkit_content'] = new ConvertKit_Block_Content();
189	$this->classes['blocks_convertkit_formtrigger'] = new ConvertKit_Block_Form_Trigger();
190	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
191	$this->classes['blocks_convertkit_form_builder'] = new ConvertKit_Block_Form_Builder();
192	$this->classes['blocks_convertkit_form_builder_field_email'] = new ConvertKit_Block_Form_Builder_Field_Email();
193	$this->classes['blocks_convertkit_form_builder_field_name'] = new ConvertKit_Block_Form_Builder_Field_Name();
194	$this->classes['blocks_convertkit_form_builder_field_custom'] = new ConvertKit_Block_Form_Builder_Field_Custom();
195	$this->classes['blocks_convertkit_product'] = new ConvertKit_Block_Product();
196	$this->classes['block_formatter_form_link'] = new ConvertKit_Block_Formatter_Form_Link();
197	$this->classes['block_formatter_product_link'] = new ConvertKit_Block_Formatter_Product_Link();
198	$this->classes['pre_publish_action_broadcast_export'] = new ConvertKit_Pre_Publish_Action_Broadcast_Export();
199	$this->classes['broadcasts_exporter'] = new ConvertKit_Broadcasts_Exporter();
200	$this->classes['broadcasts_importer'] = new ConvertKit_Broadcasts_Importer();
201	$this->classes['elementor'] = new ConvertKit_Elementor();
202	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
203	$this->classes['media_library'] = new ConvertKit_Media_Library();
204	$this->classes['output_restrict_content'] = new ConvertKit_Output_Restrict_Content();
205	$this->classes['review_request'] = new ConvertKit_Review_Request( 'Kit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
206	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
207	$this->classes['setup'] = new ConvertKit_Setup();
208	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
209
210	/**
211	* Initialize integration classes for the frontend web site.
212	*
213	* @since 1.9.6
214	*/
215	do_action( 'convertkit_initialize_global' );
216
217	}
218
219	/**
220	* Runs the Plugin's initialization and update routines, which checks if
221	* the Plugin has just been updated to a newer version,
222	* and if so runs any specific processes that might be needed.
223	*
224	* @since 1.9.7.4
225	*/
226	public function setup() {
227
228	$this->get_class( 'setup' )->initialize();
229	$this->get_class( 'setup' )->update();
230
231	}
232
233	/**
234	* Improved version of WordPress' is_admin(), which includes whether we're
235	* editing on the frontend using a Page Builder.
236	*
237	* @since 1.9.6
238	*
239	* @return bool Is Admin or Frontend Editor Request
240	*/
241	public function is_admin_or_frontend_editor() {
242
243	// If we're in the wp-admin, return true.
244	if ( is_admin() ) {
245	return true;
246	}
247
248	// Pro.
249	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
250	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), '/pro/' ) !== false ) {
251	return true;
252	}
253	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), '/x/' ) !== false ) {
254	return true;
255	}
256	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), 'cornerstone-endpoint' ) !== false ) {
257	return true;
258	}
259	}
260
261	// If the request global exists, check for specific request keys which tell us
262	// that we're using a frontend editor.
263	// Avada Live.
264	// phpcs:disable WordPress.Security.NonceVerification.Recommended
265	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
266	return true;
267	}
268
269	// Beaver Builder.
270	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
271	return true;
272	}
273
274	// Brizy.
275	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
276	return true;
277	}
278
279	// Cornerstone (AJAX).
280	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
281	return true;
282	}
283
284	// Divi.
285	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
286	return true;
287	}
288
289	// Elementor.
290	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( wp_unslash( $_REQUEST['action'] ) ) === 'elementor' ) {
291	return true;
292	}
293
294	// Kallyas.
295	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
296	return true;
297	}
298
299	// Oxygen.
300	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
301	return true;
302	}
303
304	// Thrive Architect.
305	if ( array_key_exists( 'tve', $_REQUEST ) ) {
306	return true;
307	}
308
309	// Visual Composer.
310	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
311	return true;
312	}
313
314	// WPBakery Page Builder.
315	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
316	return true;
317	}
318
319	// Zion Builder.
320	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( wp_unslash( $_REQUEST['action'] ) ) === 'zion_builder_active' ) {
321	return true;
322	}
323
324	// Assume we're not in the Administration interface.
325	$is_admin_or_frontend_editor = false;
326
327	/**
328	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
329	*
330	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
331	*
332	* @since 1.9.6
333	*
334	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
335	*/
336	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
337
338	// phpcs:enable
339
340	// Return filtered result.
341	return $is_admin_or_frontend_editor;
342
343	}
344
345	/**
346	* Detects if the request is through the WP-CLI
347	*
348	* @since 1.9.6
349	*
350	* @return bool Is WP-CLI Request
351	*/
352	public function is_cli() {
353
354	if ( ! defined( 'WP_CLI' ) ) {
355	return false;
356	}
357	if ( ! WP_CLI ) {
358	return false;
359	}
360
361	return true;
362
363	}
364
365	/**
366	* Detects if the request is through the WP CRON
367	*
368	* @since 1.9.6
369	*
370	* @return bool Is WP CRON Request
371	*/
372	public function is_cron() {
373
374	return wp_doing_cron();
375
376	}
377
378	/**
379	* Returns the given class
380	*
381	* @since 1.9.6
382	*
383	* @param string $name Class Name.
384	* @return object Class Object
385	*/
386	public function get_class( $name ) {
387
388	// If the class hasn't been loaded, throw a WordPress die screen
389	// to avoid a PHP fatal error.
390	if ( ! isset( $this->classes[ $name ] ) ) {
391	// Define the error.
392	$error = new WP_Error(
393	'convertkit_get_class',
394	sprintf(
395	/* translators: %1$s: PHP class name */
396	__( 'Kit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
397	$name
398	)
399	);
400
401	// Depending on the request, return or display an error.
402	// Admin UI.
403	if ( is_admin() ) {
404	wp_die(
405	esc_attr( $error->get_error_message() ),
406	esc_html__( 'Kit Error', 'convertkit' ),
407	array(
408	'back_link' => true,
409	)
410	);
411	}
412
413	// Cron / CLI.
414	return $error;
415	}
416
417	// Return the class object.
418	return $this->classes[ $name ];
419
420	}
421
422	/**
423	* Returns the singleton instance of the class.
424	*
425	* @since 1.1.6
426	*
427	* @return object Class.
428	*/
429	public static function get_instance() {
430
431	if ( null === self::$instance ) {
432	self::$instance = new self();
433	}
434
435	return self::$instance;
436
437	}
438
439	}
440