convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 2.2.0, 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	public 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_category'] = new ConvertKit_Admin_Category();
69	$this->classes['admin_notices'] = new ConvertKit_Admin_Notices();
70	$this->classes['admin_post'] = new ConvertKit_Admin_Post();
71	$this->classes['admin_quick_edit'] = new ConvertKit_Admin_Quick_Edit();
72	$this->classes['admin_refresh_resources'] = new ConvertKit_Admin_Refresh_Resources();
73	$this->classes['admin_restrict_content'] = new ConvertKit_Admin_Restrict_Content();
74	$this->classes['admin_settings'] = new ConvertKit_Admin_Settings();
75	$this->classes['admin_setup_wizard_plugin'] = new ConvertKit_Admin_Setup_Wizard_Plugin();
76	$this->classes['admin_setup_wizard_restrict_content'] = new ConvertKit_Admin_Setup_Wizard_Restrict_Content();
77	$this->classes['admin_tinymce'] = new ConvertKit_Admin_TinyMCE();
78	$this->classes['admin_user'] = new ConvertKit_Admin_User();
79
80	/**
81	* Initialize integration classes for the WordPress Administration interface.
82	*
83	* @since 1.9.6
84	*/
85	do_action( 'convertkit_initialize_admin' );
86
87	}
88
89	/**
90	* Initialize classes for the WordPress Administration interface or a frontend Page Builder
91	*
92	* @since 1.9.6
93	*/
94	private function initialize_admin_or_frontend_editor() {
95
96	// Bail if this request isn't for the WordPress Administration interface and isn't for a frontend Page Builder.
97	if ( ! $this->is_admin_or_frontend_editor() ) {
98	return;
99	}
100
101	/**
102	* Initialize integration classes for the WordPress Administration interface or a frontend Page Builder.
103	*
104	* @since 1.9.6
105	*/
106	do_action( 'convertkit_initialize_admin_or_frontend_editor' );
107
108	}
109
110	/**
111	* Initialize classes for WP-CLI and WP-Cron
112	*
113	* @since 2.5.2
114	*/
115	private function initialize_cli_cron() {
116
117	// Bail if this isn't a CLI or CRON request.
118	if ( ! $this->is_cli() && ! $this->is_cron() ) {
119	return;
120	}
121
122	/**
123	* Initialize integration classes for WP-CLI and WP-Cron.
124	*
125	* @since 1.9.6
126	*/
127	do_action( 'convertkit_initialize_cli_cron' );
128
129	}
130
131	/**
132	* Initialize classes for the frontend web site
133	*
134	* @since 1.9.6
135	*/
136	private function initialize_frontend() {
137
138	// Bail if this request isn't for the frontend web site.
139	if ( is_admin() ) {
140	return;
141	}
142
143	$this->classes['output'] = new ConvertKit_Output();
144	$this->classes['output_restrict_content'] = new ConvertKit_Output_Restrict_Content();
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_form_trigger'] = 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['elementor'] = new ConvertKit_Elementor();
172	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
173	$this->classes['review_request'] = new ConvertKit_Review_Request( 'ConvertKit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
174	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
175	$this->classes['setup'] = new ConvertKit_Setup();
176	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
177	$this->classes['widgets'] = new ConvertKit_Widgets();
178
179	// Run the setup's update process on WordPress' init hook.
180	// Doing this sooner may result in errors with WordPress functions that are not yet
181	// available to the update routine.
182	add_action( 'init', array( $this, 'update' ) );
183
184	/**
185	* Initialize integration classes for the frontend web site.
186	*
187	* @since 1.9.6
188	*/
189	do_action( 'convertkit_initialize_global' );
190
191	}
192
193	/**
194	* Runs the Plugin's update routine, which checks if
195	* the Plugin has just been updated to a newer version,
196	* and if so runs any specific processes that might be needed.
197	*
198	* @since 1.9.7.4
199	*/
200	public function update() {
201
202	$this->get_class( 'setup' )->update();
203
204	}
205
206	/**
207	* Improved version of WordPress' is_admin(), which includes whether we're
208	* editing on the frontend using a Page Builder.
209	*
210	* @since 1.9.6
211	*
212	* @return bool Is Admin or Frontend Editor Request
213	*/
214	public function is_admin_or_frontend_editor() {
215
216	// If we're in the wp-admin, return true.
217	if ( is_admin() ) {
218	return true;
219	}
220
221	// Pro.
222	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
223	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/pro/' ) !== false ) {
224	return true;
225	}
226	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/x/' ) !== false ) {
227	return true;
228	}
229	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), 'cornerstone-endpoint' ) !== false ) {
230	return true;
231	}
232	}
233
234	// If the request global exists, check for specific request keys which tell us
235	// that we're using a frontend editor.
236	// Avada Live.
237	// phpcs:disable WordPress.Security.NonceVerification.Recommended
238	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
239	return true;
240	}
241
242	// Beaver Builder.
243	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
244	return true;
245	}
246
247	// Brizy.
248	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
249	return true;
250	}
251
252	// Cornerstone (AJAX).
253	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
254	return true;
255	}
256
257	// Divi.
258	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
259	return true;
260	}
261
262	// Elementor.
263	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'elementor' ) {
264	return true;
265	}
266
267	// Kallyas.
268	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
269	return true;
270	}
271
272	// Oxygen.
273	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
274	return true;
275	}
276
277	// Thrive Architect.
278	if ( array_key_exists( 'tve', $_REQUEST ) ) {
279	return true;
280	}
281
282	// Visual Composer.
283	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
284	return true;
285	}
286
287	// WPBakery Page Builder.
288	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
289	return true;
290	}
291
292	// Zion Builder.
293	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'zion_builder_active' ) {
294	return true;
295	}
296
297	// Assume we're not in the Administration interface.
298	$is_admin_or_frontend_editor = false;
299
300	/**
301	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
302	*
303	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
304	*
305	* @since 1.9.6
306	*
307	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
308	*/
309	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
310
311	// phpcs:enable
312
313	// Return filtered result.
314	return $is_admin_or_frontend_editor;
315
316	}
317
318	/**
319	* Detects if the request is through the WP-CLI
320	*
321	* @since 1.9.6
322	*
323	* @return bool Is WP-CLI Request
324	*/
325	public function is_cli() {
326
327	if ( ! defined( 'WP_CLI' ) ) {
328	return false;
329	}
330	if ( ! WP_CLI ) {
331	return false;
332	}
333
334	return true;
335
336	}
337
338	/**
339	* Detects if the request is through the WP CRON
340	*
341	* @since 1.9.6
342	*
343	* @return bool Is WP CRON Request
344	*/
345	public function is_cron() {
346
347	if ( ! defined( 'DOING_CRON' ) ) {
348	return false;
349	}
350	if ( ! DOING_CRON ) {
351	return false;
352	}
353
354	return true;
355
356	}
357
358	/**
359	* Loads plugin textdomain
360	*
361	* @since 1.0.0
362	*/
363	public function load_language_files() {
364
365	load_plugin_textdomain( 'convertkit', false, basename( dirname( CONVERTKIT_PLUGIN_FILE ) ) . '/languages/' ); // @phpstan-ignore-line.
366
367	}
368
369	/**
370	* Returns the given class
371	*
372	* @since 1.9.6
373	*
374	* @param string $name Class Name.
375	* @return object Class Object
376	*/
377	public function get_class( $name ) {
378
379	// If the class hasn't been loaded, throw a WordPress die screen
380	// to avoid a PHP fatal error.
381	if ( ! isset( $this->classes[ $name ] ) ) {
382	// Define the error.
383	$error = new WP_Error(
384	'convertkit_get_class',
385	sprintf(
386	/* translators: %1$s: PHP class name */
387	__( 'ConvertKit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
388	$name
389	)
390	);
391
392	// Depending on the request, return or display an error.
393	// Admin UI.
394	if ( is_admin() ) {
395	wp_die(
396	esc_attr( $error->get_error_message() ),
397	esc_html__( 'ConvertKit Error', 'convertkit' ),
398	array(
399	'back_link' => true,
400	)
401	);
402	}
403
404	// Cron / CLI.
405	return $error;
406	}
407
408	// Return the class object.
409	return $this->classes[ $name ];
410
411	}
412
413	/**
414	* Returns the singleton instance of the class.
415	*
416	* @since 1.1.6
417	*
418	* @return object Class.
419	*/
420	public static function get_instance() {
421
422	if ( ! isset( self::$instance ) && ! ( self::$instance instanceof self ) ) { // @phpstan-ignore-line.
423	self::$instance = new self();
424	}
425
426	return self::$instance;
427
428	}
429
430	}
431