convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 2.6.1, 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_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, 'update' ) );
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 update routine, 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 update() {
210
211	$this->get_class( 'setup' )->update();
212
213	}
214
215	/**
216	* Improved version of WordPress' is_admin(), which includes whether we're
217	* editing on the frontend using a Page Builder.
218	*
219	* @since 1.9.6
220	*
221	* @return bool Is Admin or Frontend Editor Request
222	*/
223	public function is_admin_or_frontend_editor() {
224
225	// If we're in the wp-admin, return true.
226	if ( is_admin() ) {
227	return true;
228	}
229
230	// Pro.
231	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
232	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/pro/' ) !== false ) {
233	return true;
234	}
235	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/x/' ) !== false ) {
236	return true;
237	}
238	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), 'cornerstone-endpoint' ) !== false ) {
239	return true;
240	}
241	}
242
243	// If the request global exists, check for specific request keys which tell us
244	// that we're using a frontend editor.
245	// Avada Live.
246	// phpcs:disable WordPress.Security.NonceVerification.Recommended
247	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
248	return true;
249	}
250
251	// Beaver Builder.
252	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
253	return true;
254	}
255
256	// Brizy.
257	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
258	return true;
259	}
260
261	// Cornerstone (AJAX).
262	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
263	return true;
264	}
265
266	// Divi.
267	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
268	return true;
269	}
270
271	// Elementor.
272	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'elementor' ) {
273	return true;
274	}
275
276	// Kallyas.
277	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
278	return true;
279	}
280
281	// Oxygen.
282	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
283	return true;
284	}
285
286	// Thrive Architect.
287	if ( array_key_exists( 'tve', $_REQUEST ) ) {
288	return true;
289	}
290
291	// Visual Composer.
292	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
293	return true;
294	}
295
296	// WPBakery Page Builder.
297	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
298	return true;
299	}
300
301	// Zion Builder.
302	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'zion_builder_active' ) {
303	return true;
304	}
305
306	// Assume we're not in the Administration interface.
307	$is_admin_or_frontend_editor = false;
308
309	/**
310	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
311	*
312	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
313	*
314	* @since 1.9.6
315	*
316	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
317	*/
318	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
319
320	// phpcs:enable
321
322	// Return filtered result.
323	return $is_admin_or_frontend_editor;
324
325	}
326
327	/**
328	* Detects if the request is through the WP-CLI
329	*
330	* @since 1.9.6
331	*
332	* @return bool Is WP-CLI Request
333	*/
334	public function is_cli() {
335
336	if ( ! defined( 'WP_CLI' ) ) {
337	return false;
338	}
339	if ( ! WP_CLI ) {
340	return false;
341	}
342
343	return true;
344
345	}
346
347	/**
348	* Detects if the request is through the WP CRON
349	*
350	* @since 1.9.6
351	*
352	* @return bool Is WP CRON Request
353	*/
354	public function is_cron() {
355
356	if ( ! defined( 'DOING_CRON' ) ) {
357	return false;
358	}
359	if ( ! DOING_CRON ) {
360	return false;
361	}
362
363	return true;
364
365	}
366
367	/**
368	* Loads the plugin's translated strings, if available.
369	*
370	* @since 1.0.0
371	*/
372	public function load_language_files() {
373
374	// If the .mo file for a given language is available in WP_LANG_DIR/convertkit
375	// i.e. it's available as a translation at https://translate.wordpress.org/projects/wp-plugins/convertkit/,
376	// it will be used instead of the .mo file in convertkit/languages.
377	load_plugin_textdomain( 'convertkit', false, 'convertkit/languages' );
378
379	}
380
381	/**
382	* Returns the given class
383	*
384	* @since 1.9.6
385	*
386	* @param string $name Class Name.
387	* @return object Class Object
388	*/
389	public function get_class( $name ) {
390
391	// If the class hasn't been loaded, throw a WordPress die screen
392	// to avoid a PHP fatal error.
393	if ( ! isset( $this->classes[ $name ] ) ) {
394	// Define the error.
395	$error = new WP_Error(
396	'convertkit_get_class',
397	sprintf(
398	/* translators: %1$s: PHP class name */
399	__( 'Kit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
400	$name
401	)
402	);
403
404	// Depending on the request, return or display an error.
405	// Admin UI.
406	if ( is_admin() ) {
407	wp_die(
408	esc_attr( $error->get_error_message() ),
409	esc_html__( 'Kit Error', 'convertkit' ),
410	array(
411	'back_link' => true,
412	)
413	);
414	}
415
416	// Cron / CLI.
417	return $error;
418	}
419
420	// Return the class object.
421	return $this->classes[ $name ];
422
423	}
424
425	/**
426	* Returns the singleton instance of the class.
427	*
428	* @since 1.1.6
429	*
430	* @return object Class.
431	*/
432	public static function get_instance() {
433
434	if ( null === self::$instance ) {
435	self::$instance = new self();
436	}
437
438	return self::$instance;
439
440	}
441
442	}
443