convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 2.3.0, 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	$this->classes['output_restrict_content'] = new ConvertKit_Output_Restrict_Content();
146
147	/**
148	* Initialize integration classes for the frontend web site.
149	*
150	* @since 1.9.6
151	*/
152	do_action( 'convertkit_initialize_frontend' );
153
154	}
155
156	/**
157	* Initialize classes required globally, across the WordPress Administration, CLI, Cron and Frontend
158	* web site.
159	*
160	* @since 1.9.6
161	*/
162	private function initialize_global() {
163
164	$this->classes['ajax'] = new ConvertKit_AJAX();
165	$this->classes['blocks_convertkit_broadcasts'] = new ConvertKit_Block_Broadcasts();
166	$this->classes['blocks_convertkit_content'] = new ConvertKit_Block_Content();
167	$this->classes['blocks_convertkit_formtrigger'] = new ConvertKit_Block_Form_Trigger();
168	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
169	$this->classes['blocks_convertkit_product'] = new ConvertKit_Block_Product();
170	$this->classes['block_formatter_form_link'] = new ConvertKit_Block_Formatter_Form_Link();
171	$this->classes['block_formatter_product_link'] = new ConvertKit_Block_Formatter_Product_Link();
172	$this->classes['broadcasts_importer'] = new ConvertKit_Broadcasts_Importer();
173	$this->classes['elementor'] = new ConvertKit_Elementor();
174	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
175	$this->classes['media_library'] = new ConvertKit_Media_Library();
176	$this->classes['review_request'] = new ConvertKit_Review_Request( 'ConvertKit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
177	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
178	$this->classes['setup'] = new ConvertKit_Setup();
179	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
180	$this->classes['widgets'] = new ConvertKit_Widgets();
181
182	// Run the setup's update process on WordPress' init hook.
183	// Doing this sooner may result in errors with WordPress functions that are not yet
184	// available to the update routine.
185	add_action( 'init', array( $this, 'update' ) );
186
187	/**
188	* Initialize integration classes for the frontend web site.
189	*
190	* @since 1.9.6
191	*/
192	do_action( 'convertkit_initialize_global' );
193
194	}
195
196	/**
197	* Runs the Plugin's update routine, which checks if
198	* the Plugin has just been updated to a newer version,
199	* and if so runs any specific processes that might be needed.
200	*
201	* @since 1.9.7.4
202	*/
203	public function update() {
204
205	$this->get_class( 'setup' )->update();
206
207	}
208
209	/**
210	* Improved version of WordPress' is_admin(), which includes whether we're
211	* editing on the frontend using a Page Builder.
212	*
213	* @since 1.9.6
214	*
215	* @return bool Is Admin or Frontend Editor Request
216	*/
217	public function is_admin_or_frontend_editor() {
218
219	// If we're in the wp-admin, return true.
220	if ( is_admin() ) {
221	return true;
222	}
223
224	// Pro.
225	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
226	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/pro/' ) !== false ) {
227	return true;
228	}
229	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/x/' ) !== false ) {
230	return true;
231	}
232	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), 'cornerstone-endpoint' ) !== false ) {
233	return true;
234	}
235	}
236
237	// If the request global exists, check for specific request keys which tell us
238	// that we're using a frontend editor.
239	// Avada Live.
240	// phpcs:disable WordPress.Security.NonceVerification.Recommended
241	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
242	return true;
243	}
244
245	// Beaver Builder.
246	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
247	return true;
248	}
249
250	// Brizy.
251	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
252	return true;
253	}
254
255	// Cornerstone (AJAX).
256	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
257	return true;
258	}
259
260	// Divi.
261	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
262	return true;
263	}
264
265	// Elementor.
266	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'elementor' ) {
267	return true;
268	}
269
270	// Kallyas.
271	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
272	return true;
273	}
274
275	// Oxygen.
276	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
277	return true;
278	}
279
280	// Thrive Architect.
281	if ( array_key_exists( 'tve', $_REQUEST ) ) {
282	return true;
283	}
284
285	// Visual Composer.
286	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
287	return true;
288	}
289
290	// WPBakery Page Builder.
291	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
292	return true;
293	}
294
295	// Zion Builder.
296	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'zion_builder_active' ) {
297	return true;
298	}
299
300	// Assume we're not in the Administration interface.
301	$is_admin_or_frontend_editor = false;
302
303	/**
304	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
305	*
306	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
307	*
308	* @since 1.9.6
309	*
310	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
311	*/
312	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
313
314	// phpcs:enable
315
316	// Return filtered result.
317	return $is_admin_or_frontend_editor;
318
319	}
320
321	/**
322	* Detects if the request is through the WP-CLI
323	*
324	* @since 1.9.6
325	*
326	* @return bool Is WP-CLI Request
327	*/
328	public function is_cli() {
329
330	if ( ! defined( 'WP_CLI' ) ) {
331	return false;
332	}
333	if ( ! WP_CLI ) {
334	return false;
335	}
336
337	return true;
338
339	}
340
341	/**
342	* Detects if the request is through the WP CRON
343	*
344	* @since 1.9.6
345	*
346	* @return bool Is WP CRON Request
347	*/
348	public function is_cron() {
349
350	if ( ! defined( 'DOING_CRON' ) ) {
351	return false;
352	}
353	if ( ! DOING_CRON ) {
354	return false;
355	}
356
357	return true;
358
359	}
360
361	/**
362	* Loads the plugin's translated strings, if available.
363	*
364	* @since 1.0.0
365	*/
366	public function load_language_files() {
367
368	// If the .mo file for a given language is available in WP_LANG_DIR/convertkit
369	// i.e. it's available as a translation at https://translate.wordpress.org/projects/wp-plugins/convertkit/,
370	// it will be used instead of the .mo file in convertkit/languages.
371	load_plugin_textdomain( 'convertkit', false, 'convertkit/languages' );
372
373	}
374
375	/**
376	* Returns the given class
377	*
378	* @since 1.9.6
379	*
380	* @param string $name Class Name.
381	* @return object Class Object
382	*/
383	public function get_class( $name ) {
384
385	// If the class hasn't been loaded, throw a WordPress die screen
386	// to avoid a PHP fatal error.
387	if ( ! isset( $this->classes[ $name ] ) ) {
388	// Define the error.
389	$error = new WP_Error(
390	'convertkit_get_class',
391	sprintf(
392	/* translators: %1$s: PHP class name */
393	__( 'ConvertKit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
394	$name
395	)
396	);
397
398	// Depending on the request, return or display an error.
399	// Admin UI.
400	if ( is_admin() ) {
401	wp_die(
402	esc_attr( $error->get_error_message() ),
403	esc_html__( 'ConvertKit Error', 'convertkit' ),
404	array(
405	'back_link' => true,
406	)
407	);
408	}
409
410	// Cron / CLI.
411	return $error;
412	}
413
414	// Return the class object.
415	return $this->classes[ $name ];
416
417	}
418
419	/**
420	* Returns the singleton instance of the class.
421	*
422	* @since 1.1.6
423	*
424	* @return object Class.
425	*/
426	public static function get_instance() {
427
428	if ( null === self::$instance ) {
429	self::$instance = new self();
430	}
431
432	return self::$instance;
433
434	}
435
436	}
437