thinkrank / thinkrank.php

thinkrank.php in ThinkRank AI SEO – AI SEO Plugin for WordPress: Schema, XML Sitemaps, Meta Tags, Search Console & Local SEO 2.4.0, at thinkrank.php

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1	<?php
2
3	/**
4	* Plugin Name: ThinkRank
5	* Plugin URI: https://thinkrank.ai/
6	* Description: AI-native SEO plugin for WordPress. Automate and enhance your SEO with cutting-edge AI while maintaining editorial control.
7	* Version: 2.4.0
8	* Author: WPDeveloper
9	* Author URI: https://wpdeveloper.com/
10	* License: GPL v2 or later
11	* License URI: https://www.gnu.org/licenses/gpl-2.0.html
12	* Text Domain: thinkrank
13	* Domain Path: /languages
14	* Requires at least: 6.0
15	* Requires PHP: 7.4
16	*
17	* @package ThinkRank
18	* @version 2.4.0
19	* @since 1.0.0
20	*/
21
22	declare(strict_types=1);
23
24	// Prevent direct access
25	if (!defined('ABSPATH')) {
26	exit;
27	}
28
29	// Define plugin constants
30	define('THINKRANK_VERSION', '2.4.0');
31	define('THINKRANK_PLUGIN_FILE', __FILE__);
32	define('THINKRANK_PLUGIN_DIR', plugin_dir_path(__FILE__));
33	define('THINKRANK_PLUGIN_URL', plugin_dir_url(__FILE__));
34	define('THINKRANK_PLUGIN_BASENAME', plugin_basename(__FILE__));
35
36	// Minimum requirements check
37	if (version_compare(PHP_VERSION, '7.4', '<')) {
38	add_action('admin_notices', function () {
39	echo '<div class="notice notice-error"><p>';
40	echo esc_html__('ThinkRank requires PHP 7.4 or higher. Please upgrade your PHP version.', 'thinkrank');
41	echo '</p></div>';
42	});
43	return;
44	}
45
46	if (version_compare(get_bloginfo('version'), '6.0', '<')) {
47	add_action('admin_notices', function () {
48	echo '<div class="notice notice-error"><p>';
49	echo esc_html__('ThinkRank requires WordPress 6.0 or higher. Please upgrade your WordPress installation.', 'thinkrank');
50	echo '</p></div>';
51	});
52	return;
53	}
54
55	// Autoloader
56	require_once THINKRANK_PLUGIN_DIR . 'includes/class-autoloader.php';
57
58	/**
59	* Bundled AI Building Blocks (Abilities API + MCP Adapter).
60	*
61	* Loaded through the Jetpack Autoloader so that if the same libraries are also
62	* shipped by another plugin — or land in WordPress core — the newest copy wins
63	* and loads once, with no fatal class collisions. This lets ThinkRank serve its
64	* MCP endpoint out of the box, without requiring the standalone MCP Adapter and
65	* Abilities API plugins. See docs/mcp-server.md for the update procedure.
66	*/
67	$thinkrank_mcp_runtime = THINKRANK_PLUGIN_DIR . 'dependencies/vendor/autoload_packages.php';
68	if (is_readable($thinkrank_mcp_runtime)) {
69	require_once $thinkrank_mcp_runtime;
70	}
71	unset($thinkrank_mcp_runtime);
72
73	/**
74	* Main ThinkRank Plugin Class
75	*
76	* Follows Single Responsibility Principle - only handles plugin initialization
77	*
78	* @since 1.0.0
79	*/
80	final class ThinkRank {
81
82	/**
83	* Plugin instance (Singleton Pattern)
84	*
85	* @var ThinkRank\|null
86	*/
87	private static ?ThinkRank $instance = null;
88
89	/**
90	* Plugin components
91	*
92	* @var array
93	*/
94	private array $components = [];
95
96	/**
97	* Get plugin instance (Singleton Pattern)
98	*
99	* @return ThinkRank
100	*/
101	public static function get_instance(): ThinkRank {
102	if (null === self::$instance) {
103	self::$instance = new self();
104	}
105	return self::$instance;
106	}
107
108	/**
109	* Private constructor to prevent direct instantiation
110	*/
111	private function __construct() {
112	$this->init_autoloader();
113	$this->init_hooks();
114	}
115
116	/**
117	* Prevent cloning
118	*/
119	private function __clone() {
120	}
121
122	/**
123	* Prevent unserialization
124	*
125	* @throws \Exception On failure.
126	*/
127	public function __wakeup() {
128	throw new \Exception('Cannot unserialize singleton');
129	}
130
131	/**
132	* Initialize autoloader
133	*
134	* @return void
135	*/
136	private function init_autoloader(): void {
137	ThinkRank\Core\Autoloader::register();
138	}
139
140	/**
141	* Initialize WordPress hooks
142	*
143	* @return void
144	*/
145	private function init_hooks(): void {
146	register_activation_hook(__FILE__, [$this, 'activate']);
147	register_deactivation_hook(__FILE__, [$this, 'deactivate']);
148
149	add_action('plugins_loaded', [$this, 'init']);
150	add_filter('plugin_action_links_' . THINKRANK_PLUGIN_BASENAME, [$this, 'add_action_links']);
151	}
152
153	/**
154	* Add a "Dashboard" link to the plugin action links on the Plugins page.
155	*
156	* @param array $links Existing plugin action links.
157	* @return array
158	*/
159	public function add_action_links(array $links): array {
160	$dashboard_link = sprintf(
161	'<a href="%s">%s</a>',
162	esc_url(admin_url('admin.php?page=thinkrank')),
163	esc_html__('Dashboard', 'thinkrank')
164	);
165
166	array_unshift($links, $dashboard_link);
167
168	return $links;
169	}
170
171	/**
172	* Initialize plugin components
173	*
174	* @return void
175	*/
176	public function init(): void {
177	try {
178	$this->maybe_update_database();
179	$this->register_sitemap_cron_listeners();
180	$this->register_brand_visibility_cron();
181	$this->load_components();
182	$this->init_components();
183	$this->load_template_functions();
184
185	do_action('thinkrank_loaded');
186	} catch (\Exception $e) {
187	$this->handle_error($e);
188	}
189	}
190
191	/**
192	* Register the sitemap regeneration WP-Cron listeners.
193	*
194	* Runs on plugins_loaded (via init()), so the callbacks exist on every
195	* request — including WP-Cron, which never fires rest_api_init and therefore
196	* never builds the Sitemap REST endpoint (whose constructor would otherwise
197	* be the only place the scheduled regeneration hooks get a listener). The
198	* generator is built lazily inside the callback so this stays cheap on the
199	* vast majority of requests where no regeneration is due.
200	*
201	* @return void
202	*/
203	private function register_sitemap_cron_listeners(): void {
204	add_action('thinkrank_regenerate_sitemap', static function () {
205	(new ThinkRank\SEO\Sitemap_Generator())->auto_regenerate_sitemap();
206	});
207	add_action('thinkrank_regenerate_sitemap_settings', static function () {
208	(new ThinkRank\SEO\Sitemap_Generator())->regenerate_sitemap_from_settings();
209	});
210
211	add_action('shutdown', [$this, 'maybe_take_over_sitemap_regeneration'], 100);
212	}
213
214	/**
215	* Rebuild the sitemap in-request when WP-Cron has not delivered.
216	*
217	* WP-Cron only runs when a request arrives, so with DISABLE_WP_CRON set, a
218	* host blocking loopback requests, or very little traffic, the scheduled
219	* regeneration never fires and the sitemap silently stops updating (#629).
220	* Once the event is overdue by the generator's grace period, an admin, REST
221	* or WP-CLI request takes the work over so the site converges on its own.
222	*
223	* Front-end requests are deliberately excluded: this runs on `shutdown`,
224	* after the response, but generation on a large site is not free and a
225	* visitor should never pay for it. Admin traffic is what a site with broken
226	* cron reliably still has — the sitemap goes stale right after someone
227	* publishes something, and that someone is in wp-admin.
228	*
229	* @since 2.2.1
230	* @return void
231	*/
232	public function maybe_take_over_sitemap_regeneration(): void {
233	// is_admin() is true for admin-ajax.php and REST_REQUEST for public
234	// core routes, both of which anonymous front-end traffic reaches — so
235	// without the logged-in test a visitor could still pay for the rebuild
236	// this method documents as never being theirs to pay for. WP-CLI has no
237	// user, and is trusted by definition.
238	$eligible = (defined('WP_CLI') && WP_CLI)
239	\|\| (
240	is_user_logged_in()
241	&& (
242	is_admin()
243	\|\| (defined('REST_REQUEST') && REST_REQUEST)
244	)
245	);
246
247	if (!$eligible) {
248	return;
249	}
250
251	// Cheap autoloaded-option read, so the vast majority of requests stop
252	// here without building the generator.
253	if (!ThinkRank\SEO\Sitemap_Generator::has_overdue_regeneration()) {
254	return;
255	}
256
257	// `shutdown` runs after the output buffers are flushed, but flushed is
258	// not delivered: on FPM the connection stays open until the process
259	// ends, so without this the browser — or the REST call the sitemap
260	// screen just made — waits out the whole generation. Hand the response
261	// back first, then rebuild.
262	$this->close_request();
263
264	// Read-only construction: the auto-generation hooks are pointless this
265	// late in the request and would only add duplicate callbacks.
266	(new ThinkRank\SEO\Sitemap_Generator(false))->run_overdue_regeneration();
267	}
268
269	/**
270	* Deliver the response and let the request keep working without the client.
271	*
272	* A no-op on SAPIs that cannot do it, where the caller simply pays for the
273	* work as before.
274	*
275	* @since 2.2.1
276	* @return void
277	*/
278	private function close_request(): void {
279	if (defined('WP_CLI') && WP_CLI) {
280	return;
281	}
282
283	if (function_exists('fastcgi_finish_request')) {
284	fastcgi_finish_request();
285	return;
286	}
287
288	if (function_exists('litespeed_finish_request')) {
289	litespeed_finish_request();
290	}
291	}
292
293	/**
294	* Register the Brand Visibility run-drain listener.
295	*
296	* Runs on plugins_loaded (via init()) rather than from the REST endpoint,
297	* because the ticks that drain a run are WP-Cron requests — they never
298	* reach rest_api_init, so registering the listener there would mean a run
299	* starts and then never progresses.
300	*
301	* @return void
302	*/
303	private function register_brand_visibility_cron(): void {
304	add_action(ThinkRank\AI\Brand_Visibility_Runner::TICK_HOOK, static function () {
305	(new ThinkRank\AI\Brand_Visibility_Runner())->tick();
306	});
307
308	// Safety net: a tick killed by a fatal or a worker timeout never
309	// reaches its own reschedule, which would strand the run. The
310	// watchdog re-arms the drain and unschedules itself when idle.
311	add_filter('cron_schedules', [ThinkRank\AI\Brand_Visibility_Runner::class, 'add_cron_interval']); // phpcs:ignore WordPress.WP.CronInterval.ChangeDetected
312	add_action(ThinkRank\AI\Brand_Visibility_Runner::WATCHDOG_HOOK, static function () {
313	(new ThinkRank\AI\Brand_Visibility_Runner())->watchdog();
314	});
315	}
316
317	/**
318	* Check if database schema needs updating and run migrations
319	*
320	* Standard WordPress pattern: compare stored db_version against current,
321	* run dbDelta if stale. This handles schema changes (new tables, new columns)
322	* without requiring plugin deactivation/reactivation.
323	*
324	* @since 1.10.0
325	* @return void
326	*/
327	private function maybe_update_database(): void {
328	$schema = new ThinkRank\Database\Database_Schema();
329	if ($schema->needs_update()) {
330	$schema->create_tables();
331	}
332	}
333
334	/**
335	* Load plugin components (Dependency Injection Container pattern)
336	*
337	* @return void
338	*/
339	private function load_components(): void {
340	$this->components = [
341	'database' => new ThinkRank\Core\Database(),
342	'settings' => new ThinkRank\Core\Settings(),
343	'role_manager' => new ThinkRank\Core\Role_Manager(),
344	'security_headers' => new ThinkRank\Core\Security_Headers(),
345	'asset_optimizer' => new ThinkRank\Core\Asset_Optimizer(),
346	'usage_tracker' => new ThinkRank\Core\Usage_Tracker_Manager(),
347	'api' => new ThinkRank\API\Manager(),
348	'admin' => new ThinkRank\Admin\Manager(),
349	'blocks' => new ThinkRank\Editor\Blocks_Manager(),
350	'elementor' => new ThinkRank\Editor\Elementor_Manager(),
351	'bricks_elements' => new ThinkRank\Editor\Bricks_Elements_Manager(),
352	'ai' => new ThinkRank\AI\Manager(),
353	'frontend_seo' => new ThinkRank\Frontend\SEO_Manager(),
354	'seo_notice' => new ThinkRank\Admin\SEO_Notice(),
355	'search_visibility_notice' => new ThinkRank\Admin\Search_Visibility_Notice(),
356	'performance_collector' => new ThinkRank\SEO\Performance_Data_Collector(),
357	'instant_indexing' => new ThinkRank\SEO\Instant_Indexing_Manager(),
358	'instant_indexing_reconciler' => new ThinkRank\SEO\Instant_Indexing_Reconciler(),
359	'author_archives' => new ThinkRank\SEO\Author_Archives_Manager(),
360	'seo_analyzer' => new ThinkRank\SEO\SEO_Analyzer(),
361	'email_report' => new ThinkRank\SEO\Email_Report_Manager(),
362	'google_oauth' => new ThinkRank\Integrations\Google_OAuth_Proxy(),
363	'multilingual' => new ThinkRank\Integrations\Multilingual_Manager(),
364	'ai_traffic' => new ThinkRank\SEO\Ai_Traffic_Tracker(),
365	'auto_ai' => new ThinkRank\SEO\Auto_Ai_Optimizer(),
366	'analytics' => new ThinkRank\SEO\Analytics_Manager(),
367	'abilities' => new ThinkRank\Abilities\Abilities_Registrar(),
368	'mcp' => new ThinkRank\Mcp\Mcp_Manager(),
369	];
370	}
371
372	/**
373	* Initialize all components
374	*
375	* @return void
376	*/
377	private function init_components(): void {
378	foreach ($this->components as $component) {
379	if (method_exists($component, 'init')) {
380	$component->init();
381	}
382	}
383	}
384
385	/**
386	* Load template functions for themes
387	*
388	* @return void
389	*/
390	private function load_template_functions(): void {
391	require_once THINKRANK_PLUGIN_DIR . 'includes/frontend/template-functions.php';
392	}
393
394	/**
395	* Get component instance
396	*
397	* @param string $component Component name
398	* @return object\|null
399	*/
400	public function get_component(string $component): ?object {
401	return $this->components[$component] ?? null;
402	}
403
404	/**
405	* Shared Analytics Manager instance (lazy)
406	*
407	* @var ThinkRank\SEO\Analytics_Manager\|null
408	*/
409	private ?ThinkRank\SEO\Analytics_Manager $analytics_manager = null;
410
411	/**
412	* Get the shared Analytics Manager, with Google clients initialized.
413	*
414	* Consumers (including the Pro plugin, which probes for this accessor)
415	* should use this instead of constructing their own Analytics_Manager:
416	* each fresh construction re-reads/decrypts settings and re-initializes
417	* the Google API clients.
418	*
419	* @since 1.18.0
420	* @return ThinkRank\SEO\Analytics_Manager
421	*/
422	public function get_analytics_manager(): ThinkRank\SEO\Analytics_Manager {
423	if ($this->analytics_manager === null) {
424	// Reuse the registered component. Constructing a second instance
425	// here would work, but only the registered one has had init() run
426	// on it, so the token-refresh cron would be scheduled against a
427	// different object than the one callers actually use.
428	$component = $this->components['analytics'] ?? null;
429
430	$this->analytics_manager = $component instanceof ThinkRank\SEO\Analytics_Manager
431	? $component
432	: new ThinkRank\SEO\Analytics_Manager();
433
434	// init() defers initialize_clients() to the `init` hook; callers
435	// that arrive earlier still need working clients.
436	$this->analytics_manager->initialize_clients();
437	}
438	return $this->analytics_manager;
439	}
440
441	/**
442	* Plugin activation
443	*
444	* @return void
445	*/
446	public function activate(): void {
447	try {
448	$activator = new ThinkRank\Core\Activator();
449	$activator->activate();
450
451	// Flush rewrite rules
452	flush_rewrite_rules();
453	} catch (\Exception $e) {
454	$this->handle_error($e);
455	wp_die(
456	esc_html__('ThinkRank activation failed. Please check your server logs.', 'thinkrank'),
457	esc_html__('Plugin Activation Error', 'thinkrank'),
458	['back_link' => true]
459	);
460	}
461	}
462
463	/**
464	* Plugin deactivation
465	*
466	* @return void
467	*/
468	public function deactivate(): void {
469	try {
470	$deactivator = new ThinkRank\Core\Deactivator();
471	$deactivator->deactivate();
472
473	// Flush rewrite rules
474	flush_rewrite_rules();
475	} catch (\Exception $e) {
476	$this->handle_error($e);
477	}
478	}
479
480	/**
481	* Handle errors consistently
482	*
483	* Logs errors and surfaces them via _doing_it_wrong() when
484	* WP_DEBUG is enabled, helping developers diagnose issues.
485	*
486	* @param \Exception $e Exception to handle
487	* @return void
488	*/
489	private function handle_error(\Exception $e): void {
490	if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
491	// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
492	error_log('ThinkRank: ' . $e->getMessage());
493	}
494
495	if (defined('WP_DEBUG') && WP_DEBUG) {
496	_doing_it_wrong(
497	__METHOD__,
498	esc_html($e->getMessage()),
499	esc_html(THINKRANK_VERSION)
500	);
501	}
502	}
503
504	/**
505	* Get plugin version
506	*
507	* @return string
508	*/
509	public function get_version(): string {
510	return THINKRANK_VERSION;
511	}
512
513	/**
514	* Get plugin directory path
515	*
516	* @return string
517	*/
518	public function get_plugin_dir(): string {
519	return THINKRANK_PLUGIN_DIR;
520	}
521
522	/**
523	* Get plugin URL
524	*
525	* @return string
526	*/
527	public function get_plugin_url(): string {
528	return THINKRANK_PLUGIN_URL;
529	}
530	}
531
532	/**
533	* Initialize the plugin
534	*
535	* @return ThinkRank
536	*/
537	// phpcs:ignore Universal.Files.SeparateFunctionsFromOO.Mixed -- plugin bootstrap: the accessor belongs next to the class it returns.
538	function thinkrank(): ThinkRank {
539	return ThinkRank::get_instance();
540	}
541
542	// Start the plugin
543	thinkrank();
544