convertkit / includes / class-wp-convertkit.php

class-wp-convertkit.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 2.2.6, 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['elementor'] = new ConvertKit_Elementor();
173	$this->classes['gutenberg'] = new ConvertKit_Gutenberg();
174	$this->classes['review_request'] = new ConvertKit_Review_Request( 'ConvertKit', 'convertkit', CONVERTKIT_PLUGIN_PATH );
175	$this->classes['preview_output'] = new ConvertKit_Preview_Output();
176	$this->classes['setup'] = new ConvertKit_Setup();
177	$this->classes['shortcodes'] = new ConvertKit_Shortcodes();
178	$this->classes['widgets'] = new ConvertKit_Widgets();
179
180	// Run the setup's update process on WordPress' init hook.
181	// Doing this sooner may result in errors with WordPress functions that are not yet
182	// available to the update routine.
183	add_action( 'init', array( $this, 'update' ) );
184
185	/**
186	* Initialize integration classes for the frontend web site.
187	*
188	* @since 1.9.6
189	*/
190	do_action( 'convertkit_initialize_global' );
191
192	}
193
194	/**
195	* Runs the Plugin's update routine, which checks if
196	* the Plugin has just been updated to a newer version,
197	* and if so runs any specific processes that might be needed.
198	*
199	* @since 1.9.7.4
200	*/
201	public function update() {
202
203	$this->get_class( 'setup' )->update();
204
205	}
206
207	/**
208	* Improved version of WordPress' is_admin(), which includes whether we're
209	* editing on the frontend using a Page Builder.
210	*
211	* @since 1.9.6
212	*
213	* @return bool Is Admin or Frontend Editor Request
214	*/
215	public function is_admin_or_frontend_editor() {
216
217	// If we're in the wp-admin, return true.
218	if ( is_admin() ) {
219	return true;
220	}
221
222	// Pro.
223	if ( array_key_exists( 'REQUEST_URI', $_SERVER ) ) {
224	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/pro/' ) !== false ) {
225	return true;
226	}
227	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), '/x/' ) !== false ) {
228	return true;
229	}
230	if ( strpos( sanitize_text_field( $_SERVER['REQUEST_URI'] ), 'cornerstone-endpoint' ) !== false ) {
231	return true;
232	}
233	}
234
235	// If the request global exists, check for specific request keys which tell us
236	// that we're using a frontend editor.
237	// Avada Live.
238	// phpcs:disable WordPress.Security.NonceVerification.Recommended
239	if ( array_key_exists( 'fb-edit', $_REQUEST ) ) {
240	return true;
241	}
242
243	// Beaver Builder.
244	if ( array_key_exists( 'fl_builder', $_REQUEST ) ) {
245	return true;
246	}
247
248	// Brizy.
249	if ( array_key_exists( 'brizy-edit', $_REQUEST ) ) {
250	return true;
251	}
252
253	// Cornerstone (AJAX).
254	if ( array_key_exists( '_cs_nonce', $_REQUEST ) ) {
255	return true;
256	}
257
258	// Divi.
259	if ( array_key_exists( 'et_fb', $_REQUEST ) ) {
260	return true;
261	}
262
263	// Elementor.
264	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'elementor' ) {
265	return true;
266	}
267
268	// Kallyas.
269	if ( array_key_exists( 'zn_pb_edit', $_REQUEST ) ) {
270	return true;
271	}
272
273	// Oxygen.
274	if ( array_key_exists( 'ct_builder', $_REQUEST ) ) {
275	return true;
276	}
277
278	// Thrive Architect.
279	if ( array_key_exists( 'tve', $_REQUEST ) ) {
280	return true;
281	}
282
283	// Visual Composer.
284	if ( array_key_exists( 'vcv-editable', $_REQUEST ) ) {
285	return true;
286	}
287
288	// WPBakery Page Builder.
289	if ( array_key_exists( 'vc_editable', $_REQUEST ) ) {
290	return true;
291	}
292
293	// Zion Builder.
294	if ( array_key_exists( 'action', $_REQUEST ) && sanitize_text_field( $_REQUEST['action'] ) === 'zion_builder_active' ) {
295	return true;
296	}
297
298	// Assume we're not in the Administration interface.
299	$is_admin_or_frontend_editor = false;
300
301	/**
302	* Filters whether the current request is a WordPress Administration / Frontend Editor request or not.
303	*
304	* Page Builders can set this to true to allow ConvertKit to load its administration functionality.
305	*
306	* @since 1.9.6
307	*
308	* @param bool $is_admin_or_frontend_editor Is WordPress Administration / Frontend Editor request.
309	*/
310	$is_admin_or_frontend_editor = apply_filters( 'convertkit_is_admin_or_frontend_editor', $is_admin_or_frontend_editor );
311
312	// phpcs:enable
313
314	// Return filtered result.
315	return $is_admin_or_frontend_editor;
316
317	}
318
319	/**
320	* Detects if the request is through the WP-CLI
321	*
322	* @since 1.9.6
323	*
324	* @return bool Is WP-CLI Request
325	*/
326	public function is_cli() {
327
328	if ( ! defined( 'WP_CLI' ) ) {
329	return false;
330	}
331	if ( ! WP_CLI ) {
332	return false;
333	}
334
335	return true;
336
337	}
338
339	/**
340	* Detects if the request is through the WP CRON
341	*
342	* @since 1.9.6
343	*
344	* @return bool Is WP CRON Request
345	*/
346	public function is_cron() {
347
348	if ( ! defined( 'DOING_CRON' ) ) {
349	return false;
350	}
351	if ( ! DOING_CRON ) {
352	return false;
353	}
354
355	return true;
356
357	}
358
359	/**
360	* Loads the plugin's translated strings, if available.
361	*
362	* @since 1.0.0
363	*/
364	public function load_language_files() {
365
366	// If the .mo file for a given language is available in WP_LANG_DIR/convertkit
367	// i.e. it's available as a translation at https://translate.wordpress.org/projects/wp-plugins/convertkit/,
368	// it will be used instead of the .mo file in convertkit/languages.
369	load_plugin_textdomain( 'convertkit', false, 'convertkit/languages' );
370
371	}
372
373	/**
374	* Returns the given class
375	*
376	* @since 1.9.6
377	*
378	* @param string $name Class Name.
379	* @return object Class Object
380	*/
381	public function get_class( $name ) {
382
383	// If the class hasn't been loaded, throw a WordPress die screen
384	// to avoid a PHP fatal error.
385	if ( ! isset( $this->classes[ $name ] ) ) {
386	// Define the error.
387	$error = new WP_Error(
388	'convertkit_get_class',
389	sprintf(
390	/* translators: %1$s: PHP class name */
391	__( 'ConvertKit Error: Could not load Plugin class <strong>%1$s</strong>', 'convertkit' ),
392	$name
393	)
394	);
395
396	// Depending on the request, return or display an error.
397	// Admin UI.
398	if ( is_admin() ) {
399	wp_die(
400	esc_attr( $error->get_error_message() ),
401	esc_html__( 'ConvertKit Error', 'convertkit' ),
402	array(
403	'back_link' => true,
404	)
405	);
406	}
407
408	// Cron / CLI.
409	return $error;
410	}
411
412	// Return the class object.
413	return $this->classes[ $name ];
414
415	}
416
417	/**
418	* Returns the singleton instance of the class.
419	*
420	* @since 1.1.6
421	*
422	* @return object Class.
423	*/
424	public static function get_instance() {
425
426	if ( null === self::$instance ) {
427	self::$instance = new self();
428	}
429
430	return self::$instance;
431
432	}
433
434	}
435