convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 3.0.6, 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_notices'] = new ConvertKit_Admin_Notices();
87	$this->classes['admin_post'] = new ConvertKit_Admin_Post();
88	$this->classes['admin_quick_edit'] = new ConvertKit_Admin_Quick_Edit();
89	$this->classes['admin_refresh_resources'] = new ConvertKit_Admin_Refresh_Resources();
90	$this->classes['admin_restrict_content'] = new ConvertKit_Admin_Restrict_Content();
91	$this->classes['admin_settings'] = new ConvertKit_Admin_Settings();
92	$this->classes['admin_setup_wizard_landing_page'] = new ConvertKit_Admin_Setup_Wizard_Landing_Page();
93	$this->classes['admin_setup_wizard_plugin'] = new ConvertKit_Admin_Setup_Wizard_Plugin();
94	$this->classes['admin_setup_wizard_restrict_content'] = new ConvertKit_Admin_Setup_Wizard_Restrict_Content();
95	$this->classes['admin_tinymce'] = new ConvertKit_Admin_TinyMCE();
96
97	/**
98	* Initialize integration classes for the WordPress Administration interface.
99	*
100	* @since 1.9.6
101	*/
102	do_action( 'convertkit_initialize_admin' );
103
104	}
105
106	/**
107	* Initialize classes for the WordPress Administration interface or a frontend Page Builder
108	*
109	* @since 1.9.6
110	*/
111	private function initialize_admin_or_frontend_editor() {
112
113	// Bail if this request isn't for the WordPress Administration interface and isn't for a frontend Page Builder.
114	if ( ! $this->is_admin_or_frontend_editor() ) {
115	return;
116	}
117
118	/**
119	* Initialize integration classes for the WordPress Administration interface or a frontend Page Builder.
120	*
121	* @since 1.9.6
122	*/
123	do_action( 'convertkit_initialize_admin_or_frontend_editor' );
124
125	}
126
127	/**
128	* Initialize classes for WP-CLI and WP-Cron
129	*
130	* @since 2.5.2
131	*/
132	private function initialize_cli_cron() {
133
134	// Bail if this isn't a CLI or CRON request.
135	if ( ! $this->is_cli() && ! $this->is_cron() ) {
136	return;
137	}
138
139	/**
140	* Initialize integration classes for WP-CLI and WP-Cron.
141	*
142	* @since 1.9.6
143	*/
144	do_action( 'convertkit_initialize_cli_cron' );
145
146	}
147
148	/**
149	* Initialize classes for the frontend web site
150	*
151	* @since 1.9.6
152	*/
153	private function initialize_frontend() {
154
155	// Bail if this request isn't for the frontend web site.
156	if ( is_admin() ) {
157	return;
158	}
159
160	$this->classes['cache_plugins'] = new ConvertKit_Cache_Plugins();
161	$this->classes['output'] = new ConvertKit_Output();
162	$this->classes['output_broadcasts'] = new ConvertKit_Output_Broadcasts();
163
164	/**
165	* Initialize integration classes for the frontend web site.
166	*
167	* @since 1.9.6
168	*/
169	do_action( 'convertkit_initialize_frontend' );
170
171	}
172
173	/**
174	* Initialize classes required globally, across the WordPress Administration, CLI, Cron and Frontend
175	* web site.
176	*
177	* @since 1.9.6
178	*/
179	private function initialize_global() {
180
181	$this->classes['ajax'] = new ConvertKit_AJAX();
182	$this->classes['blocks_convertkit_broadcasts'] = new ConvertKit_Block_Broadcasts();
183	$this->classes['blocks_convertkit_content'] = new ConvertKit_Block_Content();
184	$this->classes['blocks_convertkit_formtrigger'] = new ConvertKit_Block_Form_Trigger();
185	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
186	$this->classes['blocks_convertkit_form_builder'] = new ConvertKit_Block_Form_Builder();
187	$this->classes['blocks_convertkit_form_builder_field_email'] = new ConvertKit_Block_Form_Builder_Field_Email();
188	$this->classes['blocks_convertkit_form_builder_field_name'] = new ConvertKit_Block_Form_Builder_Field_Name();
189	$this->classes['blocks_convertkit_form_builder_field_custom'] = new ConvertKit_Block_Form_Builder_Field_Custom();
190	$this->classes['blocks_convertkit_product'] = new ConvertKit_Block_Product();
191	$this->classes['block_formatter_form_link'] = new ConvertKit_Block_Formatter_Form_Link();
192	$this->classes['block_formatter_product_link'] = new ConvertKit_Block_Formatter_Product_Link();
193	$this->classes['pre_publish_action_broadcast_export'] = new ConvertKit_Pre_Publish_Action_Broadcast_Export();
194	$this->classes['broadcasts_exporter'] = new ConvertKit_Broadcasts_Exporter();
195	$this->classes['broadcasts_importer'] = new ConvertKit_Broadcasts_Importer();
196	$this->classes['elementor'] = new ConvertKit_Elementor();
197	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
198	$this->classes['media_library'] = new ConvertKit_Media_Library();
199	$this->classes['output_restrict_content'] = new ConvertKit_Output_Restrict_Content();
200	$this->classes['review_request'] = new ConvertKit_Review_Request( 'Kit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
201	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
202	$this->classes['setup'] = new ConvertKit_Setup();
203	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
204
205	/**
206	* Initialize integration classes for the frontend web site.
207	*
208	* @since 1.9.6
209	*/
210	do_action( 'convertkit_initialize_global' );
211
212	}
213
214	/**
215	* Runs the Plugin's initialization and update routines, which checks if
216	* the Plugin has just been updated to a newer version,
217	* and if so runs any specific processes that might be needed.
218	*
219	* @since 1.9.7.4
220	*/
221	public function setup() {
222
223	$this->get_class( 'setup' )->initialize();
224	$this->get_class( 'setup' )->update();
225
226	}
227
228	/**
229	* Improved version of WordPress' is_admin(), which includes whether we're
230	* editing on the frontend using a Page Builder.
231	*
232	* @since 1.9.6
233	*
234	* @return bool Is Admin or Frontend Editor Request
235	*/
236	public function is_admin_or_frontend_editor() {
237
238	// If we're in the wp-admin, return true.
239	if ( is_admin() ) {
240	return true;
241	}
242
243	// Pro.
244	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
245	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), '/pro/' ) !== false ) {
246	return true;
247	}
248	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), '/x/' ) !== false ) {
249	return true;
250	}
251	if ( strpos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), 'cornerstone-endpoint' ) !== false ) {
252	return true;
253	}
254	}
255
256	// If the request global exists, check for specific request keys which tell us
257	// that we're using a frontend editor.
258	// Avada Live.
259	// phpcs:disable WordPress.Security.NonceVerification.Recommended
260	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
261	return true;
262	}
263
264	// Beaver Builder.
265	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
266	return true;
267	}
268
269	// Brizy.
270	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
271	return true;
272	}
273
274	// Cornerstone (AJAX).
275	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
276	return true;
277	}
278
279	// Divi.
280	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
281	return true;
282	}
283
284	// Elementor.
285	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( wp_unslash( $_REQUEST['action'] ) ) === 'elementor' ) {
286	return true;
287	}
288
289	// Kallyas.
290	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
291	return true;
292	}
293
294	// Oxygen.
295	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
296	return true;
297	}
298
299	// Thrive Architect.
300	if ( array_key_exists( 'tve', $_REQUEST ) ) {
301	return true;
302	}
303
304	// Visual Composer.
305	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
306	return true;
307	}
308
309	// WPBakery Page Builder.
310	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
311	return true;
312	}
313
314	// Zion Builder.
315	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( wp_unslash( $_REQUEST['action'] ) ) === 'zion_builder_active' ) {
316	return true;
317	}
318
319	// Assume we're not in the Administration interface.
320	$is_admin_or_frontend_editor = false;
321
322	/**
323	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
324	*
325	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
326	*
327	* @since 1.9.6
328	*
329	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
330	*/
331	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
332
333	// phpcs:enable
334
335	// Return filtered result.
336	return $is_admin_or_frontend_editor;
337
338	}
339
340	/**
341	* Detects if the request is through the WP-CLI
342	*
343	* @since 1.9.6
344	*
345	* @return bool Is WP-CLI Request
346	*/
347	public function is_cli() {
348
349	if ( ! defined( 'WP_CLI' ) ) {
350	return false;
351	}
352	if ( ! WP_CLI ) {
353	return false;
354	}
355
356	return true;
357
358	}
359
360	/**
361	* Detects if the request is through the WP CRON
362	*
363	* @since 1.9.6
364	*
365	* @return bool Is WP CRON Request
366	*/
367	public function is_cron() {
368
369	return wp_doing_cron();
370
371	}
372
373	/**
374	* Returns the given class
375	*
376	* @since 1.9.6
377	*
378	* @param string $name Class Name.
379	* @return object Class Object
380	*/
381	public function get_class( $name ) {
382
383	// If the class hasn't been loaded, throw a WordPress die screen
384	// to avoid a PHP fatal error.
385	if ( ! isset( $this->classes[ $name ] ) ) {
386	// Define the error.
387	$error = new WP_Error(
388	'convertkit_get_class',
389	sprintf(
390	/* translators: %1$s: PHP class name */
391	__( 'Kit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
392	$name
393	)
394	);
395
396	// Depending on the request, return or display an error.
397	// Admin UI.
398	if ( is_admin() ) {
399	wp_die(
400	esc_attr( $error->get_error_message() ),
401	esc_html__( 'Kit Error', 'convertkit' ),
402	array(
403	'back_link' => true,
404	)
405	);
406	}
407
408	// Cron / CLI.
409	return $error;
410	}
411
412	// Return the class object.
413	return $this->classes[ $name ];
414
415	}
416
417	/**
418	* Returns the singleton instance of the class.
419	*
420	* @since 1.1.6
421	*
422	* @return object Class.
423	*/
424	public static function get_instance() {
425
426	if ( null === self::$instance ) {
427	self::$instance = new self();
428	}
429
430	return self::$instance;
431
432	}
433
434	}
435