convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 2.6.8, 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 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_cache_plugins'] = new ConvertKit_Admin_Cache_Plugins();
69	$this->classes['admin_category'] = new ConvertKit_Admin_Category();
70	$this->classes['admin_landing_page'] = new ConvertKit_Admin_Landing_Page();
71	$this->classes['admin_notices'] = new ConvertKit_Admin_Notices();
72	$this->classes['admin_post'] = new ConvertKit_Admin_Post();
73	$this->classes['admin_quick_edit'] = new ConvertKit_Admin_Quick_Edit();
74	$this->classes['admin_refresh_resources'] = new ConvertKit_Admin_Refresh_Resources();
75	$this->classes['admin_restrict_content'] = new ConvertKit_Admin_Restrict_Content();
76	$this->classes['admin_settings'] = new ConvertKit_Admin_Settings();
77	$this->classes['admin_setup_wizard_landing_page'] = new ConvertKit_Admin_Setup_Wizard_Landing_Page();
78	$this->classes['admin_setup_wizard_plugin'] = new ConvertKit_Admin_Setup_Wizard_Plugin();
79	$this->classes['admin_setup_wizard_restrict_content'] = new ConvertKit_Admin_Setup_Wizard_Restrict_Content();
80	$this->classes['admin_tinymce'] = new ConvertKit_Admin_TinyMCE();
81	$this->classes['admin_user'] = new ConvertKit_Admin_User();
82
83	/**
84	* Initialize integration classes for the WordPress Administration interface.
85	*
86	* @since 1.9.6
87	*/
88	do_action( 'convertkit_initialize_admin' );
89
90	}
91
92	/**
93	* Initialize classes for the WordPress Administration interface or a frontend Page Builder
94	*
95	* @since 1.9.6
96	*/
97	private function initialize_admin_or_frontend_editor() {
98
99	// Bail if this request isn't for the WordPress Administration interface and isn't for a frontend Page Builder.
100	if ( ! $this->is_admin_or_frontend_editor() ) {
101	return;
102	}
103
104	/**
105	* Initialize integration classes for the WordPress Administration interface or a frontend Page Builder.
106	*
107	* @since 1.9.6
108	*/
109	do_action( 'convertkit_initialize_admin_or_frontend_editor' );
110
111	}
112
113	/**
114	* Initialize classes for WP-CLI and WP-Cron
115	*
116	* @since 2.5.2
117	*/
118	private function initialize_cli_cron() {
119
120	// Bail if this isn't a CLI or CRON request.
121	if ( ! $this->is_cli() && ! $this->is_cron() ) {
122	return;
123	}
124
125	/**
126	* Initialize integration classes for WP-CLI and WP-Cron.
127	*
128	* @since 1.9.6
129	*/
130	do_action( 'convertkit_initialize_cli_cron' );
131
132	}
133
134	/**
135	* Initialize classes for the frontend web site
136	*
137	* @since 1.9.6
138	*/
139	private function initialize_frontend() {
140
141	// Bail if this request isn't for the frontend web site.
142	if ( is_admin() ) {
143	return;
144	}
145
146	$this->classes['cache_plugins'] = new ConvertKit_Cache_Plugins();
147	$this->classes['output'] = new ConvertKit_Output();
148
149	/**
150	* Initialize integration classes for the frontend web site.
151	*
152	* @since 1.9.6
153	*/
154	do_action( 'convertkit_initialize_frontend' );
155
156	}
157
158	/**
159	* Initialize classes required globally, across the WordPress Administration, CLI, Cron and Frontend
160	* web site.
161	*
162	* @since 1.9.6
163	*/
164	private function initialize_global() {
165
166	$this->classes['ajax'] = new ConvertKit_AJAX();
167	$this->classes['blocks_convertkit_broadcasts'] = new ConvertKit_Block_Broadcasts();
168	$this->classes['blocks_convertkit_content'] = new ConvertKit_Block_Content();
169	$this->classes['blocks_convertkit_formtrigger'] = new ConvertKit_Block_Form_Trigger();
170	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
171	$this->classes['blocks_convertkit_product'] = new ConvertKit_Block_Product();
172	$this->classes['block_formatter_form_link'] = new ConvertKit_Block_Formatter_Form_Link();
173	$this->classes['block_formatter_product_link'] = new ConvertKit_Block_Formatter_Product_Link();
174	$this->classes['pre_publish_action_broadcast_export'] = new ConvertKit_Pre_Publish_Action_Broadcast_Export();
175	$this->classes['broadcasts_exporter'] = new ConvertKit_Broadcasts_Exporter();
176	$this->classes['broadcasts_importer'] = new ConvertKit_Broadcasts_Importer();
177	$this->classes['divi'] = new ConvertKit_Divi();
178	$this->classes['elementor'] = new ConvertKit_Elementor();
179	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
180	$this->classes['media_library'] = new ConvertKit_Media_Library();
181	$this->classes['output_restrict_content'] = new ConvertKit_Output_Restrict_Content();
182	$this->classes['review_request'] = new ConvertKit_Review_Request( 'Kit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
183	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
184	$this->classes['setup'] = new ConvertKit_Setup();
185	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
186	$this->classes['widgets'] = new ConvertKit_Widgets();
187
188	// Run the setup's update process on WordPress' init hook.
189	// Doing this sooner may result in errors with WordPress functions that are not yet
190	// available to the update routine.
191	add_action( 'init', array( $this, 'init' ) );
192
193	/**
194	* Initialize integration classes for the frontend web site.
195	*
196	* @since 1.9.6
197	*/
198	do_action( 'convertkit_initialize_global' );
199
200	}
201
202	/**
203	* Runs the Plugin's initialization and update routines, which checks if
204	* the Plugin has just been updated to a newer version,
205	* and if so runs any specific processes that might be needed.
206	*
207	* @since 1.9.7.4
208	*/
209	public function init() {
210
211	$this->get_class( 'setup' )->initialize();
212	$this->get_class( 'setup' )->update();
213
214	}
215
216	/**
217	* Improved version of WordPress' is_admin(), which includes whether we're
218	* editing on the frontend using a Page Builder.
219	*
220	* @since 1.9.6
221	*
222	* @return bool Is Admin or Frontend Editor Request
223	*/
224	public function is_admin_or_frontend_editor() {
225
226	// If we're in the wp-admin, return true.
227	if ( is_admin() ) {
228	return true;
229	}
230
231	// Pro.
232	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
233	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/pro/' ) !== false ) {
234	return true;
235	}
236	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/x/' ) !== false ) {
237	return true;
238	}
239	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), 'cornerstone-endpoint' ) !== false ) {
240	return true;
241	}
242	}
243
244	// If the request global exists, check for specific request keys which tell us
245	// that we're using a frontend editor.
246	// Avada Live.
247	// phpcs:disable WordPress.Security.NonceVerification.Recommended
248	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
249	return true;
250	}
251
252	// Beaver Builder.
253	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
254	return true;
255	}
256
257	// Brizy.
258	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
259	return true;
260	}
261
262	// Cornerstone (AJAX).
263	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
264	return true;
265	}
266
267	// Divi.
268	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
269	return true;
270	}
271
272	// Elementor.
273	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'elementor' ) {
274	return true;
275	}
276
277	// Kallyas.
278	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
279	return true;
280	}
281
282	// Oxygen.
283	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
284	return true;
285	}
286
287	// Thrive Architect.
288	if ( array_key_exists( 'tve', $_REQUEST ) ) {
289	return true;
290	}
291
292	// Visual Composer.
293	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
294	return true;
295	}
296
297	// WPBakery Page Builder.
298	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
299	return true;
300	}
301
302	// Zion Builder.
303	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'zion_builder_active' ) {
304	return true;
305	}
306
307	// Assume we're not in the Administration interface.
308	$is_admin_or_frontend_editor = false;
309
310	/**
311	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
312	*
313	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
314	*
315	* @since 1.9.6
316	*
317	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
318	*/
319	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
320
321	// phpcs:enable
322
323	// Return filtered result.
324	return $is_admin_or_frontend_editor;
325
326	}
327
328	/**
329	* Detects if the request is through the WP-CLI
330	*
331	* @since 1.9.6
332	*
333	* @return bool Is WP-CLI Request
334	*/
335	public function is_cli() {
336
337	if ( ! defined( 'WP_CLI' ) ) {
338	return false;
339	}
340	if ( ! WP_CLI ) {
341	return false;
342	}
343
344	return true;
345
346	}
347
348	/**
349	* Detects if the request is through the WP CRON
350	*
351	* @since 1.9.6
352	*
353	* @return bool Is WP CRON Request
354	*/
355	public function is_cron() {
356
357	if ( ! defined( 'DOING_CRON' ) ) {
358	return false;
359	}
360	if ( ! DOING_CRON ) {
361	return false;
362	}
363
364	return true;
365
366	}
367
368	/**
369	* Loads the plugin's translated strings, if available.
370	*
371	* @since 1.0.0
372	*/
373	public function load_language_files() {
374
375	// If the .mo file for a given language is available in WP_LANG_DIR/convertkit
376	// i.e. it's available as a translation at https://translate.wordpress.org/projects/wp-plugins/convertkit/,
377	// it will be used instead of the .mo file in convertkit/languages.
378	load_plugin_textdomain( 'convertkit', false, 'convertkit/languages' );
379
380	}
381
382	/**
383	* Returns the given class
384	*
385	* @since 1.9.6
386	*
387	* @param string $name Class Name.
388	* @return object Class Object
389	*/
390	public function get_class( $name ) {
391
392	// If the class hasn't been loaded, throw a WordPress die screen
393	// to avoid a PHP fatal error.
394	if ( ! isset( $this->classes[ $name ] ) ) {
395	// Define the error.
396	$error = new WP_Error(
397	'convertkit_get_class',
398	sprintf(
399	/* translators: %1$s: PHP class name */
400	__( 'Kit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
401	$name
402	)
403	);
404
405	// Depending on the request, return or display an error.
406	// Admin UI.
407	if ( is_admin() ) {
408	wp_die(
409	esc_attr( $error->get_error_message() ),
410	esc_html__( 'Kit Error', 'convertkit' ),
411	array(
412	'back_link' => true,
413	)
414	);
415	}
416
417	// Cron / CLI.
418	return $error;
419	}
420
421	// Return the class object.
422	return $this->classes[ $name ];
423
424	}
425
426	/**
427	* Returns the singleton instance of the class.
428	*
429	* @since 1.1.6
430	*
431	* @return object Class.
432	*/
433	public static function get_instance() {
434
435	if ( null === self::$instance ) {
436	self::$instance = new self();
437	}
438
439	return self::$instance;
440
441	}
442
443	}
444