thinkrank / thinkrank.php

thinkrank.php in ThinkRank AI SEO – AI SEO Plugin for WordPress: Schema, XML Sitemaps, Meta Tags, Search Console & Local SEO 2.9.0, 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: 2.9.0
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 2.9.0
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', '2.9.0');
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->clear_retired_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	* Unschedule the cron events left behind by the removed Brand Visibility
295	* feature.
296	*
297	* A site that ran a Brand Visibility check can still carry its drain tick
298	* and watchdog. Their callbacks, and the watchdog's custom recurrence, no
299	* longer exist, so the events would only fire into nothing.
300	* wp_unschedule_hook() walks the autoloaded cron array and writes nothing
301	* when the hook is absent, so this costs nothing once they are gone.
302	* Deactivation and uninstall clear the same hooks (cleanup-manifest.php).
303	*
304	* @return void
305	*/
306	private function clear_retired_brand_visibility_cron(): void {
307	foreach (['thinkrank_bv_tick', 'thinkrank_bv_watchdog'] as $hook) {
308	wp_unschedule_hook($hook);
309	}
310	}
311
312	/**
313	* Check if database schema needs updating and run migrations
314	*
315	* Standard WordPress pattern: compare stored db_version against current,
316	* run dbDelta if stale. This handles schema changes (new tables, new columns)
317	* without requiring plugin deactivation/reactivation.
318	*
319	* @since 1.10.0
320	* @return void
321	*/
322	private function maybe_update_database(): void {
323	$schema = new ThinkRank\Database\Database_Schema();
324	if ($schema->needs_update()) {
325	$schema->create_tables();
326	}
327	}
328
329	/**
330	* Load plugin components (Dependency Injection Container pattern)
331	*
332	* @return void
333	*/
334	private function load_components(): void {
335	$this->components = [
336	'database' => new ThinkRank\Core\Database(),
337	// Settings::instance() rather than a fresh object: the container
338	// and the singleton were otherwise two different Settings, each
339	// with its own memo, because instance() resolves the container and
340	// this array is assigned only after every constructor above has
341	// run. Anything resolving the singleton during that window got a
342	// standalone instance that outlived the request, so a hook
343	// registered from the component's init() ran against an object no
344	// consumer read through (#516).
345	'settings' => ThinkRank\Core\Settings::instance(),
346	'role_manager' => new ThinkRank\Core\Role_Manager(),
347	'security_headers' => new ThinkRank\Core\Security_Headers(),
348	'asset_optimizer' => new ThinkRank\Core\Asset_Optimizer(),
349	'usage_tracker' => new ThinkRank\Core\Usage_Tracker_Manager(),
350	'api' => new ThinkRank\API\Manager(),
351	'admin' => new ThinkRank\Admin\Manager(),
352	'blocks' => new ThinkRank\Editor\Blocks_Manager(),
353	'elementor' => new ThinkRank\Editor\Elementor_Manager(),
354	'bricks_elements' => new ThinkRank\Editor\Bricks_Elements_Manager(),
355	'beaver_modules' => new ThinkRank\Editor\Beaver_Modules_Manager(),
356	'ai' => new ThinkRank\AI\Manager(),
357	'frontend_seo' => new ThinkRank\Frontend\SEO_Manager(),
358	'seo_notice' => new ThinkRank\Admin\SEO_Notice(),
359	'search_visibility_notice' => new ThinkRank\Admin\Search_Visibility_Notice(),
360	'webroot_writable_notice' => new ThinkRank\Admin\Webroot_Writable_Notice(),
361	'performance_collector' => new ThinkRank\SEO\Performance_Data_Collector(),
362	'query_guard' => new ThinkRank\SEO\Query_Guard(),
363	'feeds' => new ThinkRank\SEO\Feed_Manager(),
364	'sitemap_stylesheet' => new ThinkRank\SEO\Sitemap_Stylesheet(),
365	'oembed' => new ThinkRank\SEO\Oembed_Manager(),
366	'content_visibility' => new ThinkRank\SEO\Content_Visibility(),
367	'instant_indexing' => new ThinkRank\SEO\Instant_Indexing_Manager(),
368	'instant_indexing_reconciler' => new ThinkRank\SEO\Instant_Indexing_Reconciler(),
369	'author_archives' => new ThinkRank\SEO\Author_Archives_Manager(),
370	'seo_analyzer' => new ThinkRank\SEO\SEO_Analyzer(),
371	// Bulk Snippets' persisted issue index: invalidation hooks must run
372	// on every request, since posts are edited everywhere but there.
373	'snippet_index' => new ThinkRank\SEO\Snippet_Index(),
374	'email_report' => new ThinkRank\SEO\Email_Report_Manager(),
375	'google_oauth' => new ThinkRank\Integrations\Google_OAuth_Proxy(),
376	'multilingual' => new ThinkRank\Integrations\Multilingual_Manager(),
377	'ai_traffic' => new ThinkRank\SEO\Ai_Traffic_Tracker(),
378	'analytics' => new ThinkRank\SEO\Analytics_Manager(),
379	'schema_conflict_health_check' => new ThinkRank\Diagnostics\Schema_Conflict_Health_Check(),
380	'abilities' => new ThinkRank\Abilities\Abilities_Registrar(),
381	'mcp' => new ThinkRank\Mcp\Mcp_Manager(),
382	];
383	}
384
385	/**
386	* Initialize all components
387	*
388	* @return void
389	*/
390	private function init_components(): void {
391	foreach ($this->components as $component) {
392	if (method_exists($component, 'init')) {
393	$component->init();
394	}
395	}
396	}
397
398	/**
399	* Load template functions for themes
400	*
401	* @return void
402	*/
403	private function load_template_functions(): void {
404	require_once THINKRANK_PLUGIN_DIR . 'includes/frontend/template-functions.php';
405	}
406
407	/**
408	* Get component instance
409	*
410	* @param string $component Component name
411	* @return object\|null
412	*/
413	public function get_component(string $component): ?object {
414	return $this->components[$component] ?? null;
415	}
416
417	/**
418	* Shared Analytics Manager instance (lazy)
419	*
420	* @var ThinkRank\SEO\Analytics_Manager\|null
421	*/
422	private ?ThinkRank\SEO\Analytics_Manager $analytics_manager = null;
423
424	/**
425	* Get the shared Analytics Manager, with Google clients initialized.
426	*
427	* Consumers (including the Pro plugin, which probes for this accessor)
428	* should use this instead of constructing their own Analytics_Manager:
429	* each fresh construction re-reads/decrypts settings and re-initializes
430	* the Google API clients.
431	*
432	* @since 1.18.0
433	* @return ThinkRank\SEO\Analytics_Manager
434	*/
435	public function get_analytics_manager(): ThinkRank\SEO\Analytics_Manager {
436	if ($this->analytics_manager === null) {
437	// Reuse the registered component. Constructing a second instance
438	// here would work, but only the registered one has had init() run
439	// on it, so the token-refresh cron would be scheduled against a
440	// different object than the one callers actually use.
441	$component = $this->components['analytics'] ?? null;
442
443	$this->analytics_manager = $component instanceof ThinkRank\SEO\Analytics_Manager
444	? $component
445	: new ThinkRank\SEO\Analytics_Manager();
446
447	// init() defers initialize_clients() to the `init` hook; callers
448	// that arrive earlier still need working clients.
449	$this->analytics_manager->initialize_clients();
450	}
451	return $this->analytics_manager;
452	}
453
454	/**
455	* Plugin activation
456	*
457	* @return void
458	*/
459	public function activate(): void {
460	try {
461	$activator = new ThinkRank\Core\Activator();
462	$activator->activate();
463
464	// Flush rewrite rules
465	flush_rewrite_rules();
466	} catch (\Exception $e) {
467	$this->handle_error($e);
468	wp_die(
469	esc_html__('ThinkRank activation failed. Please check your server logs.', 'thinkrank'),
470	esc_html__('Plugin Activation Error', 'thinkrank'),
471	['back_link' => true]
472	);
473	}
474	}
475
476	/**
477	* Plugin deactivation
478	*
479	* @return void
480	*/
481	public function deactivate(): void {
482	try {
483	$deactivator = new ThinkRank\Core\Deactivator();
484	$deactivator->deactivate();
485
486	// Flush rewrite rules
487	flush_rewrite_rules();
488	} catch (\Exception $e) {
489	$this->handle_error($e);
490	}
491	}
492
493	/**
494	* Handle errors consistently
495	*
496	* Logs errors and surfaces them via _doing_it_wrong() when
497	* WP_DEBUG is enabled, helping developers diagnose issues.
498	*
499	* @param \Exception $e Exception to handle
500	* @return void
501	*/
502	private function handle_error(\Exception $e): void {
503	if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
504	// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
505	error_log('ThinkRank: ' . $e->getMessage());
506	}
507
508	if (defined('WP_DEBUG') && WP_DEBUG) {
509	_doing_it_wrong(
510	__METHOD__,
511	esc_html($e->getMessage()),
512	esc_html(THINKRANK_VERSION)
513	);
514	}
515	}
516
517	/**
518	* Get plugin version
519	*
520	* @return string
521	*/
522	public function get_version(): string {
523	return THINKRANK_VERSION;
524	}
525
526	/**
527	* Get plugin directory path
528	*
529	* @return string
530	*/
531	public function get_plugin_dir(): string {
532	return THINKRANK_PLUGIN_DIR;
533	}
534
535	/**
536	* Get plugin URL
537	*
538	* @return string
539	*/
540	public function get_plugin_url(): string {
541	return THINKRANK_PLUGIN_URL;
542	}
543	}
544
545	/**
546	* Initialize the plugin
547	*
548	* @return ThinkRank
549	*/
550	// phpcs:ignore Universal.Files.SeparateFunctionsFromOO.Mixed -- plugin bootstrap: the accessor belongs next to the class it returns.
551	function thinkrank(): ThinkRank {
552	return ThinkRank::get_instance();
553	}
554
555	// Start the plugin
556	thinkrank();
557