convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 2.7.4, 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	$this->classes['output_broadcasts'] = new ConvertKit_Output_Broadcasts();
149
150	/**
151	* Initialize integration classes for the frontend web site.
152	*
153	* @since 1.9.6
154	*/
155	do_action( 'convertkit_initialize_frontend' );
156
157	}
158
159	/**
160	* Initialize classes required globally, across the WordPress Administration, CLI, Cron and Frontend
161	* web site.
162	*
163	* @since 1.9.6
164	*/
165	private function initialize_global() {
166
167	$this->classes['ajax'] = new ConvertKit_AJAX();
168	$this->classes['blocks_convertkit_broadcasts'] = new ConvertKit_Block_Broadcasts();
169	$this->classes['blocks_convertkit_content'] = new ConvertKit_Block_Content();
170	$this->classes['blocks_convertkit_formtrigger'] = new ConvertKit_Block_Form_Trigger();
171	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
172	$this->classes['blocks_convertkit_product'] = new ConvertKit_Block_Product();
173	$this->classes['block_formatter_form_link'] = new ConvertKit_Block_Formatter_Form_Link();
174	$this->classes['block_formatter_product_link'] = new ConvertKit_Block_Formatter_Product_Link();
175	$this->classes['pre_publish_action_broadcast_export'] = new ConvertKit_Pre_Publish_Action_Broadcast_Export();
176	$this->classes['broadcasts_exporter'] = new ConvertKit_Broadcasts_Exporter();
177	$this->classes['broadcasts_importer'] = new ConvertKit_Broadcasts_Importer();
178	$this->classes['divi'] = new ConvertKit_Divi();
179	$this->classes['elementor'] = new ConvertKit_Elementor();
180	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
181	$this->classes['media_library'] = new ConvertKit_Media_Library();
182	$this->classes['output_restrict_content'] = new ConvertKit_Output_Restrict_Content();
183	$this->classes['review_request'] = new ConvertKit_Review_Request( 'Kit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
184	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
185	$this->classes['setup'] = new ConvertKit_Setup();
186	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
187	$this->classes['widgets'] = new ConvertKit_Widgets();
188
189	// Run the setup's update process on WordPress' init hook.
190	// Doing this sooner may result in errors with WordPress functions that are not yet
191	// available to the update routine.
192	add_action( 'init', array( $this, 'init' ) );
193
194	/**
195	* Initialize integration classes for the frontend web site.
196	*
197	* @since 1.9.6
198	*/
199	do_action( 'convertkit_initialize_global' );
200
201	}
202
203	/**
204	* Runs the Plugin's initialization and update routines, which checks if
205	* the Plugin has just been updated to a newer version,
206	* and if so runs any specific processes that might be needed.
207	*
208	* @since 1.9.7.4
209	*/
210	public function init() {
211
212	$this->get_class( 'setup' )->initialize();
213	$this->get_class( 'setup' )->update();
214
215	}
216
217	/**
218	* Improved version of WordPress' is_admin(), which includes whether we're
219	* editing on the frontend using a Page Builder.
220	*
221	* @since 1.9.6
222	*
223	* @return bool Is Admin or Frontend Editor Request
224	*/
225	public function is_admin_or_frontend_editor() {
226
227	// If we're in the wp-admin, return true.
228	if ( is_admin() ) {
229	return true;
230	}
231
232	// Pro.
233	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
234	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/pro/' ) !== false ) {
235	return true;
236	}
237	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/x/' ) !== false ) {
238	return true;
239	}
240	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), 'cornerstone-endpoint' ) !== false ) {
241	return true;
242	}
243	}
244
245	// If the request global exists, check for specific request keys which tell us
246	// that we're using a frontend editor.
247	// Avada Live.
248	// phpcs:disable WordPress.Security.NonceVerification.Recommended
249	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
250	return true;
251	}
252
253	// Beaver Builder.
254	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
255	return true;
256	}
257
258	// Brizy.
259	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
260	return true;
261	}
262
263	// Cornerstone (AJAX).
264	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
265	return true;
266	}
267
268	// Divi.
269	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
270	return true;
271	}
272
273	// Elementor.
274	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'elementor' ) {
275	return true;
276	}
277
278	// Kallyas.
279	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
280	return true;
281	}
282
283	// Oxygen.
284	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
285	return true;
286	}
287
288	// Thrive Architect.
289	if ( array_key_exists( 'tve', $_REQUEST ) ) {
290	return true;
291	}
292
293	// Visual Composer.
294	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
295	return true;
296	}
297
298	// WPBakery Page Builder.
299	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
300	return true;
301	}
302
303	// Zion Builder.
304	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'zion_builder_active' ) {
305	return true;
306	}
307
308	// Assume we're not in the Administration interface.
309	$is_admin_or_frontend_editor = false;
310
311	/**
312	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
313	*
314	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
315	*
316	* @since 1.9.6
317	*
318	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
319	*/
320	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
321
322	// phpcs:enable
323
324	// Return filtered result.
325	return $is_admin_or_frontend_editor;
326
327	}
328
329	/**
330	* Detects if the request is through the WP-CLI
331	*
332	* @since 1.9.6
333	*
334	* @return bool Is WP-CLI Request
335	*/
336	public function is_cli() {
337
338	if ( ! defined( 'WP_CLI' ) ) {
339	return false;
340	}
341	if ( ! WP_CLI ) {
342	return false;
343	}
344
345	return true;
346
347	}
348
349	/**
350	* Detects if the request is through the WP CRON
351	*
352	* @since 1.9.6
353	*
354	* @return bool Is WP CRON Request
355	*/
356	public function is_cron() {
357
358	if ( ! defined( 'DOING_CRON' ) ) {
359	return false;
360	}
361	if ( ! DOING_CRON ) {
362	return false;
363	}
364
365	return true;
366
367	}
368
369	/**
370	* Loads the plugin's translated strings, if available.
371	*
372	* @since 1.0.0
373	*/
374	public function load_language_files() {
375
376	// If the .mo file for a given language is available in WP_LANG_DIR/convertkit
377	// i.e. it's available as a translation at https://translate.wordpress.org/projects/wp-plugins/convertkit/,
378	// it will be used instead of the .mo file in convertkit/languages.
379	load_plugin_textdomain( 'convertkit', false, 'convertkit/languages' );
380
381	}
382
383	/**
384	* Returns the given class
385	*
386	* @since 1.9.6
387	*
388	* @param string $name Class Name.
389	* @return object Class Object
390	*/
391	public function get_class( $name ) {
392
393	// If the class hasn't been loaded, throw a WordPress die screen
394	// to avoid a PHP fatal error.
395	if ( ! isset( $this->classes[ $name ] ) ) {
396	// Define the error.
397	$error = new WP_Error(
398	'convertkit_get_class',
399	sprintf(
400	/* translators: %1$s: PHP class name */
401	__( 'Kit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
402	$name
403	)
404	);
405
406	// Depending on the request, return or display an error.
407	// Admin UI.
408	if ( is_admin() ) {
409	wp_die(
410	esc_attr( $error->get_error_message() ),
411	esc_html__( 'Kit Error', 'convertkit' ),
412	array(
413	'back_link' => true,
414	)
415	);
416	}
417
418	// Cron / CLI.
419	return $error;
420	}
421
422	// Return the class object.
423	return $this->classes[ $name ];
424
425	}
426
427	/**
428	* Returns the singleton instance of the class.
429	*
430	* @since 1.1.6
431	*
432	* @return object Class.
433	*/
434	public static function get_instance() {
435
436	if ( null === self::$instance ) {
437	self::$instance = new self();
438	}
439
440	return self::$instance;
441
442	}
443
444	}
445