convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 2.4.1, 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 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_notices'] = new ConvertKit_Admin_Notices();
71	$this->classes['admin_post'] = new ConvertKit_Admin_Post();
72	$this->classes['admin_quick_edit'] = new ConvertKit_Admin_Quick_Edit();
73	$this->classes['admin_refresh_resources'] = new ConvertKit_Admin_Refresh_Resources();
74	$this->classes['admin_restrict_content'] = new ConvertKit_Admin_Restrict_Content();
75	$this->classes['admin_settings'] = new ConvertKit_Admin_Settings();
76	$this->classes['admin_setup_wizard_plugin'] = new ConvertKit_Admin_Setup_Wizard_Plugin();
77	$this->classes['admin_setup_wizard_restrict_content'] = new ConvertKit_Admin_Setup_Wizard_Restrict_Content();
78	$this->classes['admin_tinymce'] = new ConvertKit_Admin_TinyMCE();
79	$this->classes['admin_user'] = new ConvertKit_Admin_User();
80
81	/**
82	* Initialize integration classes for the WordPress Administration interface.
83	*
84	* @since 1.9.6
85	*/
86	do_action( 'convertkit_initialize_admin' );
87
88	}
89
90	/**
91	* Initialize classes for the WordPress Administration interface or a frontend Page Builder
92	*
93	* @since 1.9.6
94	*/
95	private function initialize_admin_or_frontend_editor() {
96
97	// Bail if this request isn't for the WordPress Administration interface and isn't for a frontend Page Builder.
98	if ( ! $this->is_admin_or_frontend_editor() ) {
99	return;
100	}
101
102	/**
103	* Initialize integration classes for the WordPress Administration interface or a frontend Page Builder.
104	*
105	* @since 1.9.6
106	*/
107	do_action( 'convertkit_initialize_admin_or_frontend_editor' );
108
109	}
110
111	/**
112	* Initialize classes for WP-CLI and WP-Cron
113	*
114	* @since 2.5.2
115	*/
116	private function initialize_cli_cron() {
117
118	// Bail if this isn't a CLI or CRON request.
119	if ( ! $this->is_cli() && ! $this->is_cron() ) {
120	return;
121	}
122
123	/**
124	* Initialize integration classes for WP-CLI and WP-Cron.
125	*
126	* @since 1.9.6
127	*/
128	do_action( 'convertkit_initialize_cli_cron' );
129
130	}
131
132	/**
133	* Initialize classes for the frontend web site
134	*
135	* @since 1.9.6
136	*/
137	private function initialize_frontend() {
138
139	// Bail if this request isn't for the frontend web site.
140	if ( is_admin() ) {
141	return;
142	}
143
144	$this->classes['output'] = new ConvertKit_Output();
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_formtrigger'] = new ConvertKit_Block_Form_Trigger();
167	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
168	$this->classes['blocks_convertkit_product'] = new ConvertKit_Block_Product();
169	$this->classes['block_formatter_form_link'] = new ConvertKit_Block_Formatter_Form_Link();
170	$this->classes['block_formatter_product_link'] = new ConvertKit_Block_Formatter_Product_Link();
171	$this->classes['pre_publish_action_broadcast_export'] = new ConvertKit_Pre_Publish_Action_Broadcast_Export();
172	$this->classes['broadcasts_exporter'] = new ConvertKit_Broadcasts_Exporter();
173	$this->classes['broadcasts_importer'] = new ConvertKit_Broadcasts_Importer();
174	$this->classes['elementor'] = new ConvertKit_Elementor();
175	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
176	$this->classes['media_library'] = new ConvertKit_Media_Library();
177	$this->classes['output_restrict_content'] = new ConvertKit_Output_Restrict_Content();
178	$this->classes['review_request'] = new ConvertKit_Review_Request( 'ConvertKit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
179	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
180	$this->classes['setup'] = new ConvertKit_Setup();
181	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
182	$this->classes['widgets'] = new ConvertKit_Widgets();
183
184	// Run the setup's update process on WordPress' init hook.
185	// Doing this sooner may result in errors with WordPress functions that are not yet
186	// available to the update routine.
187	add_action( 'init', array( $this, 'update' ) );
188
189	/**
190	* Initialize integration classes for the frontend web site.
191	*
192	* @since 1.9.6
193	*/
194	do_action( 'convertkit_initialize_global' );
195
196	}
197
198	/**
199	* Runs the Plugin's update routine, which checks if
200	* the Plugin has just been updated to a newer version,
201	* and if so runs any specific processes that might be needed.
202	*
203	* @since 1.9.7.4
204	*/
205	public function update() {
206
207	$this->get_class( 'setup' )->update();
208
209	}
210
211	/**
212	* Improved version of WordPress' is_admin(), which includes whether we're
213	* editing on the frontend using a Page Builder.
214	*
215	* @since 1.9.6
216	*
217	* @return bool Is Admin or Frontend Editor Request
218	*/
219	public function is_admin_or_frontend_editor() {
220
221	// If we're in the wp-admin, return true.
222	if ( is_admin() ) {
223	return true;
224	}
225
226	// Pro.
227	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
228	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/pro/' ) !== false ) {
229	return true;
230	}
231	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/x/' ) !== false ) {
232	return true;
233	}
234	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), 'cornerstone-endpoint' ) !== false ) {
235	return true;
236	}
237	}
238
239	// If the request global exists, check for specific request keys which tell us
240	// that we're using a frontend editor.
241	// Avada Live.
242	// phpcs:disable WordPress.Security.NonceVerification.Recommended
243	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
244	return true;
245	}
246
247	// Beaver Builder.
248	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
249	return true;
250	}
251
252	// Brizy.
253	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
254	return true;
255	}
256
257	// Cornerstone (AJAX).
258	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
259	return true;
260	}
261
262	// Divi.
263	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
264	return true;
265	}
266
267	// Elementor.
268	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'elementor' ) {
269	return true;
270	}
271
272	// Kallyas.
273	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
274	return true;
275	}
276
277	// Oxygen.
278	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
279	return true;
280	}
281
282	// Thrive Architect.
283	if ( array_key_exists( 'tve', $_REQUEST ) ) {
284	return true;
285	}
286
287	// Visual Composer.
288	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
289	return true;
290	}
291
292	// WPBakery Page Builder.
293	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
294	return true;
295	}
296
297	// Zion Builder.
298	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'zion_builder_active' ) {
299	return true;
300	}
301
302	// Assume we're not in the Administration interface.
303	$is_admin_or_frontend_editor = false;
304
305	/**
306	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
307	*
308	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
309	*
310	* @since 1.9.6
311	*
312	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
313	*/
314	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
315
316	// phpcs:enable
317
318	// Return filtered result.
319	return $is_admin_or_frontend_editor;
320
321	}
322
323	/**
324	* Detects if the request is through the WP-CLI
325	*
326	* @since 1.9.6
327	*
328	* @return bool Is WP-CLI Request
329	*/
330	public function is_cli() {
331
332	if ( ! defined( 'WP_CLI' ) ) {
333	return false;
334	}
335	if ( ! WP_CLI ) {
336	return false;
337	}
338
339	return true;
340
341	}
342
343	/**
344	* Detects if the request is through the WP CRON
345	*
346	* @since 1.9.6
347	*
348	* @return bool Is WP CRON Request
349	*/
350	public function is_cron() {
351
352	if ( ! defined( 'DOING_CRON' ) ) {
353	return false;
354	}
355	if ( ! DOING_CRON ) {
356	return false;
357	}
358
359	return true;
360
361	}
362
363	/**
364	* Loads the plugin's translated strings, if available.
365	*
366	* @since 1.0.0
367	*/
368	public function load_language_files() {
369
370	// If the .mo file for a given language is available in WP_LANG_DIR/convertkit
371	// i.e. it's available as a translation at https://translate.wordpress.org/projects/wp-plugins/convertkit/,
372	// it will be used instead of the .mo file in convertkit/languages.
373	load_plugin_textdomain( 'convertkit', false, 'convertkit/languages' );
374
375	}
376
377	/**
378	* Returns the given class
379	*
380	* @since 1.9.6
381	*
382	* @param string $name Class Name.
383	* @return object Class Object
384	*/
385	public function get_class( $name ) {
386
387	// If the class hasn't been loaded, throw a WordPress die screen
388	// to avoid a PHP fatal error.
389	if ( ! isset( $this->classes[ $name ] ) ) {
390	// Define the error.
391	$error = new WP_Error(
392	'convertkit_get_class',
393	sprintf(
394	/* translators: %1$s: PHP class name */
395	__( 'ConvertKit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
396	$name
397	)
398	);
399
400	// Depending on the request, return or display an error.
401	// Admin UI.
402	if ( is_admin() ) {
403	wp_die(
404	esc_attr( $error->get_error_message() ),
405	esc_html__( 'ConvertKit Error', 'convertkit' ),
406	array(
407	'back_link' => true,
408	)
409	);
410	}
411
412	// Cron / CLI.
413	return $error;
414	}
415
416	// Return the class object.
417	return $this->classes[ $name ];
418
419	}
420
421	/**
422	* Returns the singleton instance of the class.
423	*
424	* @since 1.1.6
425	*
426	* @return object Class.
427	*/
428	public static function get_instance() {
429
430	if ( null === self::$instance ) {
431	self::$instance = new self();
432	}
433
434	return self::$instance;
435
436	}
437
438	}
439