convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 2.0.2, 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_post'] = new ConvertKit_Admin_Post();
70	$this->classes['admin_quick_edit'] = new ConvertKit_Admin_Quick_Edit();
71	$this->classes['admin_refresh_resources'] = new ConvertKit_Admin_Refresh_Resources();
72	$this->classes['admin_settings'] = new ConvertKit_Admin_Settings();
73	$this->classes['admin_setup_wizard_plugin'] = new ConvertKit_Admin_Setup_Wizard_Plugin();
74	$this->classes['admin_tinymce'] = new ConvertKit_Admin_TinyMCE();
75	$this->classes['admin_user'] = new ConvertKit_Admin_User();
76
77	/**
78	* Initialize integration classes for the WordPress Administration interface.
79	*
80	* @since 1.9.6
81	*/
82	do_action( 'convertkit_initialize_admin' );
83
84	}
85
86	/**
87	* Initialize classes for the WordPress Administration interface or a frontend Page Builder
88	*
89	* @since 1.9.6
90	*/
91	private function initialize_admin_or_frontend_editor() {
92
93	// Bail if this request isn't for the WordPress Administration interface and isn't for a frontend Page Builder.
94	if ( ! $this->is_admin_or_frontend_editor() ) {
95	return;
96	}
97
98	/**
99	* Initialize integration classes for the WordPress Administration interface or a frontend Page Builder.
100	*
101	* @since 1.9.6
102	*/
103	do_action( 'convertkit_initialize_admin_or_frontend_editor' );
104
105	}
106
107	/**
108	* Initialize classes for WP-CLI and WP-Cron
109	*
110	* @since 2.5.2
111	*/
112	private function initialize_cli_cron() {
113
114	// Bail if this isn't a CLI or CRON request.
115	if ( ! $this->is_cli() && ! $this->is_cron() ) {
116	return;
117	}
118
119	/**
120	* Initialize integration classes for WP-CLI and WP-Cron.
121	*
122	* @since 1.9.6
123	*/
124	do_action( 'convertkit_initialize_cli_cron' );
125
126	}
127
128	/**
129	* Initialize classes for the frontend web site
130	*
131	* @since 1.9.6
132	*/
133	private function initialize_frontend() {
134
135	// Bail if this request isn't for the frontend web site.
136	if ( is_admin() ) {
137	return;
138	}
139
140	$this->classes['output'] = new ConvertKit_Output();
141
142	/**
143	* Initialize integration classes for the frontend web site.
144	*
145	* @since 1.9.6
146	*/
147	do_action( 'convertkit_initialize_frontend' );
148
149	}
150
151	/**
152	* Initialize classes required globally, across the WordPress Administration, CLI, Cron and Frontend
153	* web site.
154	*
155	* @since 1.9.6
156	*/
157	private function initialize_global() {
158
159	$this->classes['ajax'] = new ConvertKit_AJAX();
160	$this->classes['blocks_convertkit_broadcasts'] = new ConvertKit_Block_Broadcasts();
161	$this->classes['blocks_convertkit_content'] = new ConvertKit_Block_Content();
162	$this->classes['blocks_convertkit_product'] = new ConvertKit_Block_Product();
163	$this->classes['blocks_convertkit_form'] = new ConvertKit_Block_Form();
164	$this->classes['elementor'] = new ConvertKit_Elementor();
165	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
166	$this->classes['post_type_product'] = new ConvertKit_Post_Type_Product();
167	$this->classes['review_request'] = new ConvertKit_Review_Request( 'ConvertKit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
168	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
169	$this->classes['setup'] = new ConvertKit_Setup();
170	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
171	$this->classes['widgets'] = new ConvertKit_Widgets();
172
173	// Run the setup's update process on WordPress' init hook.
174	// Doing this sooner may result in errors with WordPress functions that are not yet
175	// available to the update routine.
176	add_action( 'init', array( $this, 'update' ) );
177
178	/**
179	* Initialize integration classes for the frontend web site.
180	*
181	* @since 1.9.6
182	*/
183	do_action( 'convertkit_initialize_global' );
184
185	}
186
187	/**
188	* Runs the Plugin's update routine, which checks if
189	* the Plugin has just been updated to a newer version,
190	* and if so runs any specific processes that might be needed.
191	*
192	* @since 1.9.7.4
193	*/
194	public function update() {
195
196	$this->get_class( 'setup' )->update();
197
198	}
199
200	/**
201	* Improved version of WordPress' is_admin(), which includes whether we're
202	* editing on the frontend using a Page Builder.
203	*
204	* @since 1.9.6
205	*
206	* @return bool Is Admin or Frontend Editor Request
207	*/
208	public function is_admin_or_frontend_editor() {
209
210	// If we're in the wp-admin, return true.
211	if ( is_admin() ) {
212	return true;
213	}
214
215	// Pro.
216	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
217	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/pro/' ) !== false ) {
218	return true;
219	}
220	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/x/' ) !== false ) {
221	return true;
222	}
223	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), 'cornerstone-endpoint' ) !== false ) {
224	return true;
225	}
226	}
227
228	// If the request global exists, check for specific request keys which tell us
229	// that we're using a frontend editor.
230	// Avada Live.
231	// phpcs:disable WordPress.Security.NonceVerification.Recommended
232	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
233	return true;
234	}
235
236	// Beaver Builder.
237	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
238	return true;
239	}
240
241	// Brizy.
242	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
243	return true;
244	}
245
246	// Cornerstone (AJAX).
247	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
248	return true;
249	}
250
251	// Divi.
252	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
253	return true;
254	}
255
256	// Elementor.
257	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'elementor' ) {
258	return true;
259	}
260
261	// Kallyas.
262	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
263	return true;
264	}
265
266	// Oxygen.
267	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
268	return true;
269	}
270
271	// Thrive Architect.
272	if ( array_key_exists( 'tve', $_REQUEST ) ) {
273	return true;
274	}
275
276	// Visual Composer.
277	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
278	return true;
279	}
280
281	// WPBakery Page Builder.
282	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
283	return true;
284	}
285
286	// Zion Builder.
287	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'zion_builder_active' ) {
288	return true;
289	}
290
291	// Assume we're not in the Administration interface.
292	$is_admin_or_frontend_editor = false;
293
294	/**
295	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
296	*
297	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
298	*
299	* @since 1.9.6
300	*
301	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
302	*/
303	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
304
305	// phpcs:enable
306
307	// Return filtered result.
308	return $is_admin_or_frontend_editor;
309
310	}
311
312	/**
313	* Detects if the request is through the WP-CLI
314	*
315	* @since 1.9.6
316	*
317	* @return bool Is WP-CLI Request
318	*/
319	public function is_cli() {
320
321	if ( ! defined( 'WP_CLI' ) ) {
322	return false;
323	}
324	if ( ! WP_CLI ) {
325	return false;
326	}
327
328	return true;
329
330	}
331
332	/**
333	* Detects if the request is through the WP CRON
334	*
335	* @since 1.9.6
336	*
337	* @return bool Is WP CRON Request
338	*/
339	public function is_cron() {
340
341	if ( ! defined( 'DOING_CRON' ) ) {
342	return false;
343	}
344	if ( ! DOING_CRON ) {
345	return false;
346	}
347
348	return true;
349
350	}
351
352	/**
353	* Loads plugin textdomain
354	*
355	* @since 1.0.0
356	*/
357	public function load_language_files() {
358
359	load_plugin_textdomain( 'convertkit', false, basename( dirname( CONVERTKIT_PLUGIN_FILE ) ) . '/languages/' ); // @phpstan-ignore-line.
360
361	}
362
363	/**
364	* Returns the given class
365	*
366	* @since 1.9.6
367	*
368	* @param string $name Class Name.
369	* @return object Class Object
370	*/
371	public function get_class( $name ) {
372
373	// If the class hasn't been loaded, throw a WordPress die screen
374	// to avoid a PHP fatal error.
375	if ( ! isset( $this->classes[ $name ] ) ) {
376	// Define the error.
377	$error = new WP_Error(
378	'convertkit_get_class',
379	sprintf(
380	/* translators: %1$s: PHP class name */
381	__( 'ConvertKit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
382	$name
383	)
384	);
385
386	// Depending on the request, return or display an error.
387	// Admin UI.
388	if ( is_admin() ) {
389	wp_die(
390	esc_attr( $error->get_error_message() ),
391	esc_html__( 'ConvertKit Error', 'convertkit' ),
392	array(
393	'back_link' => true,
394	)
395	);
396	}
397
398	// Cron / CLI.
399	return $error;
400	}
401
402	// Return the class object.
403	return $this->classes[ $name ];
404
405	}
406
407	/**
408	* Returns the singleton instance of the class.
409	*
410	* @since 1.1.6
411	*
412	* @return object Class.
413	*/
414	public static function get_instance() {
415
416	if ( ! isset( self::$instance ) && ! ( self::$instance instanceof self ) ) { // @phpstan-ignore-line.
417	self::$instance = new self();
418	}
419
420	return self::$instance;
421
422	}
423
424	}
425