vigilante / vigilante.php

vigilante.php in Vigilant – 100% Free Security Suite: Firewall, 2FA, Login, Headers, Scanner… 2.9.9, at vigilante.php

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1	<?php
2	/**
3	* Plugin Name: Vigilant - 100% Free Security Suite: Firewall, 2FA, Login, Headers, Scanner…
4	* Plugin URI: https://servicios.ayudawp.com
5	* Description: Complete security solution for WordPress. Firewall, 2FA, security headers, login protection, file integrity monitoring, activity logging and more.
6	* Version: 2.9.9
7	* Author: Fernando Tellado
8	* Author URI: https://ayudawp.com
9	* Text Domain: vigilante
10	* Requires at least: 6.2
11	* Tested up to: 7.1
12	* Requires PHP: 7.4
13	* License: GPL v2 or later
14	* License URI: https://www.gnu.org/licenses/gpl-2.0.html
15	*
16	* @package Vigilante
17	*/
18
19	// Prevent direct access
20	if ( ! defined( 'ABSPATH' ) ) {
21	exit;
22	}
23
24	/**
25	* Plugin constants
26	*/
27	define( 'VIGILANTE_VERSION', '2.9.9' );
28	define( 'VIGILANTE_PLUGIN_FILE', __FILE__ );
29	define( 'VIGILANTE_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
30	define( 'VIGILANTE_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
31	define( 'VIGILANTE_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
32	define( 'VIGILANTE_INCLUDES_DIR', VIGILANTE_PLUGIN_DIR . 'includes/' );
33	define( 'VIGILANTE_ADMIN_DIR', VIGILANTE_PLUGIN_DIR . 'admin/' );
34	define( 'VIGILANTE_ASSETS_URL', VIGILANTE_PLUGIN_URL . 'assets/' );
35
36	// Backup directory outside plugin folder (persists through updates)
37	define( 'VIGILANTE_BACKUP_DIR', WP_CONTENT_DIR . '/vigilante-backups/' );
38
39	// Minimum requirements
40	define( 'VIGILANTE_MIN_PHP_VERSION', '7.4' );
41	define( 'VIGILANTE_MIN_WP_VERSION', '5.0' );
42
43	/**
44	* Check minimum requirements before loading
45	*
46	* @return bool True if requirements are met
47	*/
48	function vigilante_check_requirements() {
49	$meets_requirements = true;
50
51	// Check PHP version
52	if ( version_compare( PHP_VERSION, VIGILANTE_MIN_PHP_VERSION, '<' ) ) {
53	$meets_requirements = false;
54	}
55
56	// Check WordPress version
57	global $wp_version;
58	if ( version_compare( $wp_version, VIGILANTE_MIN_WP_VERSION, '<' ) ) {
59	$meets_requirements = false;
60	}
61
62	if ( ! $meets_requirements ) {
63	add_action( 'admin_notices', 'vigilante_requirements_notice' );
64	}
65
66	return $meets_requirements;
67	}
68
69	/**
70	* Display requirements notice - called at admin_notices (after init)
71	*/
72	function vigilante_requirements_notice() {
73	global $wp_version;
74	$errors = array();
75
76	if ( version_compare( PHP_VERSION, VIGILANTE_MIN_PHP_VERSION, '<' ) ) {
77	$errors[] = sprintf(
78	/* translators: 1: Current PHP version, 2: Required PHP version */
79	__( 'Vigilant requires PHP %2$s or higher. You are running PHP %1$s.', 'vigilante' ),
80	PHP_VERSION,
81	VIGILANTE_MIN_PHP_VERSION
82	);
83	}
84
85	if ( version_compare( $wp_version, VIGILANTE_MIN_WP_VERSION, '<' ) ) {
86	$errors[] = sprintf(
87	/* translators: 1: Current WordPress version, 2: Required WordPress version */
88	__( 'Vigilant requires WordPress %2$s or higher. You are running WordPress %1$s.', 'vigilante' ),
89	$wp_version,
90	VIGILANTE_MIN_WP_VERSION
91	);
92	}
93
94	foreach ( $errors as $error ) {
95	printf(
96	'<div class="notice notice-error"><p>%s</p></div>',
97	esc_html( $error )
98	);
99	}
100	}
101
102	/**
103	* Load plugin files
104	*/
105	function vigilante_load_plugin() {
106	// Check requirements first
107	if ( ! vigilante_check_requirements() ) {
108	return;
109	}
110
111	// Load core classes (no translations used in these)
112	require_once VIGILANTE_INCLUDES_DIR . 'class-database.php';
113	require_once VIGILANTE_INCLUDES_DIR . 'class-settings.php';
114	require_once VIGILANTE_INCLUDES_DIR . 'class-ip-utils.php';
115	require_once VIGILANTE_INCLUDES_DIR . 'class-backup-manager.php';
116	require_once VIGILANTE_INCLUDES_DIR . 'class-activator.php';
117	require_once VIGILANTE_INCLUDES_DIR . 'class-deactivator.php';
118
119	// Load security module files (just loading, not initializing)
120	require_once VIGILANTE_INCLUDES_DIR . 'class-firewall.php';
121	require_once VIGILANTE_INCLUDES_DIR . 'class-security-headers.php';
122	require_once VIGILANTE_INCLUDES_DIR . 'class-htaccess-protection.php';
123	require_once VIGILANTE_INCLUDES_DIR . 'class-wpconfig-security.php';
124	require_once VIGILANTE_INCLUDES_DIR . 'class-https-enforcer.php';
125	require_once VIGILANTE_INCLUDES_DIR . 'class-rest-api-security.php';
126	require_once VIGILANTE_INCLUDES_DIR . 'class-user-security.php';
127	require_once VIGILANTE_INCLUDES_DIR . 'class-login-security.php';
128	require_once VIGILANTE_INCLUDES_DIR . 'class-two-factor-email.php';
129	require_once VIGILANTE_INCLUDES_DIR . 'class-two-factor-totp.php';
130	require_once VIGILANTE_INCLUDES_DIR . 'class-email-template.php';
131	require_once VIGILANTE_INCLUDES_DIR . 'class-comment-security.php';
132	require_once VIGILANTE_INCLUDES_DIR . 'class-head-cleaner.php';
133	require_once VIGILANTE_INCLUDES_DIR . 'class-feed-manager.php';
134	require_once VIGILANTE_INCLUDES_DIR . 'class-activity-log.php';
135	require_once VIGILANTE_INCLUDES_DIR . 'class-audit-alerts.php';
136	require_once VIGILANTE_INCLUDES_DIR . 'class-file-integrity.php';
137	require_once VIGILANTE_INCLUDES_DIR . 'class-plugin-status.php';
138	require_once VIGILANTE_INCLUDES_DIR . 'class-under-attack.php';
139	require_once VIGILANTE_INCLUDES_DIR . 'class-database-backup.php';
140	require_once VIGILANTE_INCLUDES_DIR . 'class-database-prefix.php';
141	require_once VIGILANTE_INCLUDES_DIR . 'class-security-analyzer.php';
142
143	// Load admin classes
144	if ( is_admin() ) {
145	require_once VIGILANTE_ADMIN_DIR . 'class-admin-analyzer-ajax.php';
146	require_once VIGILANTE_ADMIN_DIR . 'class-admin-audit-alerts-ajax.php';
147	require_once VIGILANTE_ADMIN_DIR . 'class-admin.php';
148	}
149
150	// Weekly Security Analyzer cron (registered even outside admin so it fires on cron hit).
151	add_action( 'vigilante_analyzer_weekly_scan', 'vigilante_run_analyzer_cron' );
152
153	// Daily plugin status check (closed-in-wp.org detection).
154	add_action( 'vigilante_plugin_status_check', 'vigilante_run_plugin_status_check' );
155
156	// Post-Under Attack scan (one-shot, scheduled by Vigilante_Under_Attack::deactivate).
157	add_action( 'vigilante_under_attack_post_scan', 'vigilante_run_post_under_attack_scan' );
158
159	// Initialize core components only - modules will be initialized at init
160	add_action( 'init', 'vigilante_init_plugin', 1 );
161	}
162
163	/**
164	* Initialize plugin at init hook (translations are ready)
165	*/
166	function vigilante_init_plugin() {
167	Vigilante_Main::get_instance();
168	}
169
170	/**
171	* Main plugin class - Singleton pattern
172	*/
173	final class Vigilante_Main {
174
175	/**
176	* Single instance of the class
177	*
178	* @var Vigilante_Main\|null
179	*/
180	private static $instance = null;
181
182	/**
183	* Settings instance
184	*
185	* @var Vigilante_Settings
186	*/
187	public $settings;
188
189	/**
190	* Database instance
191	*
192	* @var Vigilante_Database
193	*/
194	public $database;
195
196	/**
197	* Activity log instance
198	*
199	* @var Vigilante_Activity_Log
200	*/
201	public $activity_log;
202
203	/**
204	* Get single instance of the class
205	*
206	* @return Vigilante_Main
207	*/
208	public static function get_instance() {
209	if ( null === self::$instance ) {
210	self::$instance = new self();
211	}
212	return self::$instance;
213	}
214
215	/**
216	* Constructor - private to enforce singleton
217	*/
218	private function __construct() {
219	$this->init_core();
220	$this->init_modules();
221	$this->init_hooks();
222	}
223
224	/**
225	* Prevent cloning
226	*/
227	private function __clone() {}
228
229	/**
230	* Prevent unserializing
231	*
232	* @throws Exception Always throws exception.
233	*/
234	public function __wakeup() {
235	throw new Exception( 'Cannot unserialize singleton' );
236	}
237
238	/**
239	* Initialize core components
240	*/
241	private function init_core() {
242	$this->database = new Vigilante_Database();
243	$this->settings = new Vigilante_Settings();
244	$this->activity_log = new Vigilante_Activity_Log( $this->settings, $this->database );
245
246	// Auto-create/update tables when DB version is outdated (handles file-only updates)
247	if ( $this->database->needs_update() ) {
248	$this->database->create_tables();
249	}
250
251	// One-time cleanup: versions before 2.7.0 wrote config backups (including
252	// wp-config.php) as files under wp-content/vigilante-backups/. Those now
253	// live in the database, so remove anything left on disk.
254	if ( ! get_option( 'vigilante_legacy_backups_cleaned' ) ) {
255	Vigilante_Backup_Manager::cleanup_legacy_files();
256	update_option( 'vigilante_legacy_backups_cleaned', 1, false );
257	}
258
259	// One-time migration (2.9.0): add '.css' to File Integrity's excluded
260	// extensions on existing installs. Stylesheets are rewritten so often by
261	// themes and optimizer plugins that they were the main post-update false
262	// positive. New installs get it from the defaults; this brings existing
263	// sites in line without touching any other setting. Additive, idempotent.
264	if ( ! get_option( 'vigilante_css_exclusion_migrated' ) ) {
265	$fi = $this->settings->get_section( 'file_integrity' );
266	if ( is_array( $fi ) ) {
267	$ext = ( isset( $fi['excluded_extensions'] ) && is_array( $fi['excluded_extensions'] ) )
268	? $fi['excluded_extensions']
269	: array();
270	if ( ! in_array( '.css', $ext, true ) ) {
271	$ext[] = '.css';
272	$fi['excluded_extensions'] = $ext;
273	$this->settings->update_section( 'file_integrity', $fi );
274	}
275	}
276	update_option( 'vigilante_css_exclusion_migrated', 1, false );
277	}
278
279	// One-time on upgrade to 2.9.0: drop any cached WordPress.org checksum
280	// manifests. The new comparison is array-aware and self-corrects a cached
281	// array-md5 value, but a manifest cached by an older version while wp.org
282	// was still propagating a new release could otherwise keep producing
283	// false "modified" results until it expires (up to 24h). Flushing on
284	// upgrade guarantees a clean slate on the very release that fixes them;
285	// the next scan refetches fresh manifests. One-time, bulk, no caching.
286	if ( ! get_option( 'vigilante_checksum_cache_flushed_290' ) ) {
287	global $wpdb;
288	$wpdb->query( // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- one-time 2.9.0 migration dropping stale checksum transients so the new comparison starts clean.
289	"DELETE FROM {$wpdb->options}
290	WHERE option_name LIKE '\\_transient\\_vigilante\\_plugin\\_checksums\\_%'
291	OR option_name LIKE '\\_transient\\_timeout\\_vigilante\\_plugin\\_checksums\\_%'
292	OR option_name LIKE '\\_transient\\_vigilante\\_theme\\_checksums\\_%'
293	OR option_name LIKE '\\_transient\\_timeout\\_vigilante\\_theme\\_checksums\\_%'
294	OR option_name LIKE '\\_transient\\_vigilante\\_core\\_checksums\\_%'
295	OR option_name LIKE '\\_transient\\_timeout\\_vigilante\\_core\\_checksums\\_%'"
296	);
297	update_option( 'vigilante_checksum_cache_flushed_290', 1, false );
298	}
299	}
300
301	/**
302	* Initialize security modules based on settings
303	*/
304	private function init_modules() {
305	$options = $this->settings->get_all_options();
306
307	// Self-heal: a UI bug in earlier 2.4.x betas could leave a section's
308	// top-level 'enabled' flag set to false because the section forms do
309	// not render a checkbox for that field — saving any tab caused the
310	// generic save handler to treat the missing field as "unchecked" and
311	// store it as false. If the master module toggle on the Dashboard is
312	// on but the section flag is off, restore it here so the module's
313	// hooks can attach. Idempotent: noop on healthy installs.
314	$sections = array(
315	'firewall',
316	'security_headers',
317	'login_security',
318	'rest_api_security',
319	'user_security',
320	'wp_hardening',
321	'file_integrity',
322	'activity_log',
323	);
324	$heal_changed = false;
325	foreach ( $sections as $section_name ) {
326	if ( ! empty( $options['modules'][ $section_name ] )
327	&& isset( $options[ $section_name ] )
328	&& is_array( $options[ $section_name ] )
329	&& array_key_exists( 'enabled', $options[ $section_name ] )
330	&& empty( $options[ $section_name ]['enabled'] ) ) {
331	$options[ $section_name ]['enabled'] = true;
332	$heal_changed = true;
333	}
334	}
335	if ( $heal_changed ) {
336	update_option( Vigilante_Settings::OPTION_NAME, $options );
337	$this->settings->clear_cache();
338	$options = $this->settings->get_all_options();
339	}
340
341	// Firewall - runs early to block threats
342	if ( ! empty( $options['modules']['firewall'] ) ) {
343	new Vigilante_Firewall( $this->settings, $this->activity_log );
344	}
345
346	// Security Headers - rules are applied via .htaccess, no runtime hooks needed
347	// HTTPS Enforcer still needs runtime hooks
348	if ( ! empty( $options['modules']['security_headers'] ) ) {
349	new Vigilante_Https_Enforcer( $this->settings );
350	}
351
352	// REST API Security
353	if ( ! empty( $options['modules']['rest_api_security'] ) ) {
354	new Vigilante_Rest_Api_Security( $this->settings );
355	}
356
357	// User Security
358	if ( ! empty( $options['modules']['user_security'] ) ) {
359	new Vigilante_User_Security( $this->settings, $this->activity_log );
360	}
361
362	// Login Security
363	if ( ! empty( $options['modules']['login_security'] ) ) {
364	$login_security = new Vigilante_Login_Security( $this->settings, $this->database, $this->activity_log );
365
366	// Two-Factor Authentication (only if login security module is active)
367	new Vigilante_Two_Factor_Email( $this->settings, $this->database, $this->activity_log, $login_security );
368	new Vigilante_Two_Factor_TOTP( $this->settings, $this->database, $this->activity_log, $login_security );
369	}
370
371	// WordPress Hardening (includes comments, head cleaner, feeds)
372	if ( ! empty( $options['modules']['wp_hardening'] ) ) {
373	new Vigilante_Comment_Security( $this->settings );
374	new Vigilante_Head_Cleaner( $this->settings );
375	new Vigilante_Feed_Manager( $this->settings );
376	}
377
378	// File Integrity Scanner
379	if ( ! empty( $options['modules']['file_integrity'] ) ) {
380	new Vigilante_File_Integrity( $this->settings, $this->database, $this->activity_log );
381	new Vigilante_Plugin_Status( $this->settings, $this->activity_log );
382	}
383
384	// Activity Log is always initialized (core component)
385	// Logging is gated by the modules.activity_log toggle and per-type flags
386
387	// Audit Alerts engine - an alerting layer on top of Security Audit.
388	// Only instantiated when Security Audit is on, because it reacts to the
389	// events the activity log records (a passive subscriber, no per-module
390	// coupling). Both alert legs are opt-in, off by default.
391	if ( ! empty( $options['modules']['activity_log'] ) ) {
392	new Vigilante_Audit_Alerts( $this->settings, $this->activity_log );
393	}
394
395	// Under Attack mode - always loaded (independent of modules)
396	new Vigilante_Under_Attack( $this->settings, $this->activity_log );
397
398	// Admin interface
399	if ( is_admin() ) {
400	new Vigilante_Admin( $this->settings, $this->database, $this->activity_log );
401	}
402	}
403
404	/**
405	* Initialize WordPress hooks
406	*/
407	private function init_hooks() {
408	// Plugin action links
409	add_filter( 'plugin_action_links_' . VIGILANTE_PLUGIN_BASENAME, array( $this, 'add_action_links' ) );
410
411	// Scheduled tasks
412	add_action( 'vigilante_daily_maintenance', array( $this, 'daily_maintenance' ) );
413	add_action( 'vigilante_hourly_checks', array( $this, 'hourly_checks' ) );
414
415	// AJAX handlers
416	add_action( 'wp_ajax_vigilante_dismiss_notice', array( $this, 'ajax_dismiss_notice' ) );
417
418	// Regenerate critical file baseline after Vigilante modifies wp-config.php or .htaccess
419	add_action( 'vigilante_critical_file_written', array( $this, 'on_critical_file_written' ) );
420
421	// Keep the server layer in step with the installed version.
422	add_action( 'init', array( $this, 'maybe_sync_server_files' ), 20 );
423	}
424
425	/**
426	* Rewrite the .htaccess block when the installed version has moved on
427	*
428	* Updating the plugin did not touch the file: the block was only rewritten
429	* on activation or when the Headers or Firewall tab was saved. So a fix
430	* that lives inside those rules never reached a site that merely updated,
431	* which is exactly what happened with the connect-src of 2.9.6: the browser
432	* kept receiving the old policy, and image uploads kept failing on
433	* WordPress 7.1 until someone pressed Save. This rewrites the block once
434	* per version, and picks up the rules that an activation from WP-CLI had to
435	* leave pending because it could not tell what server it was on.
436	*
437	* Only the content between the plugin markers is rewritten, the same part
438	* any save has always rewritten.
439	*
440	* @since 2.9.9
441	*/
442	public function maybe_sync_server_files() {
443	$pending = (bool) get_option( 'vigilante_server_files_pending' );
444
445	if ( ! $pending && VIGILANTE_VERSION === get_option( 'vigilante_server_files_version' ) ) {
446	return;
447	}
448
449	// A failed write is not retried on every request.
450	if ( (int) get_option( 'vigilante_server_files_retry_after' ) > time() ) {
451	return;
452	}
453
454	// In a network the file belongs to every site, and the main site writes it.
455	if ( ! Vigilante_Settings::can_write_shared_files() ) {
456	$this->mark_server_files_synced();
457	return;
458	}
459
460	require_once VIGILANTE_INCLUDES_DIR . 'class-htaccess-manager.php';
461	$manager = Vigilante_Htaccess_Manager::get_instance();
462
463	if ( ! $manager->is_apache() ) {
464	// Still on the command line with nothing to learn from: stay pending.
465	if ( $manager->server_is_unknown() ) {
466	return;
467	}
468
469	// Not Apache: there is no block to keep in step.
470	$this->mark_server_files_synced();
471	return;
472	}
473
474	$options = get_option( Vigilante_Settings::OPTION_NAME, array() );
475	$headers = isset( $options['security_headers'] ) ? (array) $options['security_headers'] : array();
476	$failed = false;
477	$rewrote = false;
478
479	$needs_protection_block = ! empty( $options['modules']['firewall'] )
480	\|\| ! empty( $headers['hide_server_signature'] )
481	\|\| ! empty( $headers['remove_fingerprinting_headers'] );
482
483	if ( $needs_protection_block ) {
484	require_once VIGILANTE_INCLUDES_DIR . 'class-htaccess-protection.php';
485	$result = ( new Vigilante_Htaccess_Protection( $this->settings ) )->apply_rules();
486	$failed = $failed \|\| is_wp_error( $result );
487	$rewrote = true;
488	}
489
490	if ( ! empty( $options['modules']['security_headers'] ) ) {
491	require_once VIGILANTE_INCLUDES_DIR . 'class-security-headers.php';
492	$result = ( new Vigilante_Security_Headers( $this->settings ) )->apply_rules();
493	$failed = $failed \|\| is_wp_error( $result );
494	$rewrote = true;
495	}
496
497	if ( $failed ) {
498	update_option( 'vigilante_server_files_retry_after', time() + HOUR_IN_SECONDS );
499
500	// A refusal to write the server rules is exactly the kind of thing
501	// that used to happen in silence, so it is recorded and retried in
502	// an hour instead of being forgotten.
503	if ( $this->activity_log ) {
504	$this->activity_log->log(
505	'system',
506	'server_rules_write_failed',
507	__( 'The .htaccess rules could not be rewritten after the update. Vigilant will try again in an hour; if the file is read only, fix its permissions or save the Firewall or Headers tab once.', 'vigilante' ),
508	array( 'version' => VIGILANTE_VERSION ),
509	'warning'
510	);
511	}
512
513	return;
514	}
515
516	$this->mark_server_files_synced();
517
518	if ( $rewrote && $this->activity_log ) {
519	$this->activity_log->log(
520	'system',
521	'server_rules_refreshed',
522	sprintf(
523	/* translators: %s: plugin version. */
524	__( 'The .htaccess rules were rewritten to match Vigilant %s.', 'vigilante' ),
525	VIGILANTE_VERSION
526	),
527	array( 'version' => VIGILANTE_VERSION ),
528	'info'
529	);
530	}
531	}
532
533	/**
534	* Record that the server layer matches the installed version
535	*
536	* @since 2.9.9
537	*/
538	private function mark_server_files_synced() {
539	update_option( 'vigilante_server_files_version', VIGILANTE_VERSION );
540	delete_option( 'vigilante_server_files_pending' );
541	delete_option( 'vigilante_server_files_retry_after' );
542	}
543
544	/**
545	* Update the critical file baseline after Vigilante writes to a monitored file
546	*
547	* @param string $filename File that was modified (e.g. 'wp-config.php').
548	*/
549	public function on_critical_file_written( $filename ) {
550	if ( ! class_exists( 'Vigilante_File_Integrity' ) ) {
551	require_once VIGILANTE_INCLUDES_DIR . 'class-file-integrity.php';
552	}
553
554	$fi = new Vigilante_File_Integrity( $this->settings, $this->database, $this->activity_log );
555	$fi->update_critical_file_baseline( $filename );
556	}
557
558	/**
559	* Add plugin action links
560	*
561	* @param array $links Existing links.
562	* @return array Modified links.
563	*/
564	public function add_action_links( $links ) {
565	$plugin_links = array(
566	'<a href="' . esc_url( admin_url( 'admin.php?page=vigilante' ) ) . '">' . esc_html__( 'Security Settings', 'vigilante' ) . '</a>',
567	);
568	return array_merge( $plugin_links, $links );
569	}
570
571	/**
572	* Daily maintenance tasks
573	*/
574	public function daily_maintenance() {
575	// Clean old activity logs
576	$this->activity_log->cleanup_old_logs();
577
578	// Clean old login attempts
579	$this->database->cleanup_old_login_attempts();
580
581	// Clean expired 2FA codes and trusted devices
582	$this->database->cleanup_expired_2fa_codes();
583	$this->database->cleanup_expired_trusted_devices();
584
585	// Remove sensitive files (readme.html, license.txt, licencia.txt)
586	// WordPress core updates recreate these files, so we clean them daily
587	$advanced = $this->settings->get_section( 'advanced' );
588	if ( ! empty( $advanced['remove_readme'] ) ) {
589	$readme_path = ABSPATH . 'readme.html';
590	if ( file_exists( $readme_path ) ) {
591	wp_delete_file( $readme_path );
592	}
593	}
594	if ( ! empty( $advanced['remove_license'] ) ) {
595	$license_files = array( 'license.txt', 'licencia.txt' );
596	foreach ( $license_files as $license_file ) {
597	$license_path = ABSPATH . $license_file;
598	if ( file_exists( $license_path ) ) {
599	wp_delete_file( $license_path );
600	}
601	}
602	}
603
604	// Log maintenance
605	$this->activity_log->log( 'system', 'maintenance', __( 'Daily maintenance completed', 'vigilante' ) );
606	}
607
608	/**
609	* Hourly checks
610	*/
611	public function hourly_checks() {
612	// File integrity scans are handled by the File_Integrity class own cron schedule
613	// based on the configured scan_frequency (daily/weekly).
614	}
615
616	/**
617	* AJAX handler for dismissing notices
618	*/
619	public function ajax_dismiss_notice() {
620	check_ajax_referer( 'vigilante_dismiss_notice', 'nonce' );
621
622	if ( ! current_user_can( 'manage_options' ) ) {
623	wp_die( -1 );
624	}
625
626	$notice_id = isset( $_POST['notice_id'] ) ? sanitize_key( $_POST['notice_id'] ) : '';
627
628	if ( $notice_id ) {
629	$dismissed = get_option( 'vigilante_dismissed_notices', array() );
630	$dismissed[ $notice_id ] = time();
631	update_option( 'vigilante_dismissed_notices', $dismissed );
632	}
633
634	wp_send_json_success();
635	}
636	}
637
638	/**
639	* Cron handler for the weekly Security Analyzer scan.
640	*
641	* Resolves the shared Vigilante_Security_Analyzer (lazily; no cost when the
642	* cron is not firing) and lets it run the scan + regression email logic.
643	*/
644	function vigilante_run_analyzer_cron() {
645	if ( ! class_exists( 'Vigilante_Security_Analyzer' ) ) {
646	require_once VIGILANTE_INCLUDES_DIR . 'class-security-analyzer.php';
647	}
648	if ( ! class_exists( 'Vigilante_Settings' ) ) {
649	require_once VIGILANTE_INCLUDES_DIR . 'class-settings.php';
650	}
651
652	$settings = new Vigilante_Settings();
653	$activity_log = null;
654	if ( class_exists( 'Vigilante_Activity_Log' ) && class_exists( 'Vigilante_Database' ) ) {
655	$database = new Vigilante_Database();
656	$activity_log = new Vigilante_Activity_Log( $settings, $database );
657	}
658
659	$analyzer = new Vigilante_Security_Analyzer( $settings, $activity_log );
660	$analyzer->cron_weekly_scan();
661	}
662
663	/**
664	* Cron handler for the daily plugin status check.
665	*
666	* Resolves the shared Vigilante_Plugin_Status lazily so the daily cron has no
667	* cost while it is not firing.
668	*/
669	function vigilante_run_plugin_status_check() {
670	if ( ! class_exists( 'Vigilante_Plugin_Status' ) ) {
671	require_once VIGILANTE_INCLUDES_DIR . 'class-plugin-status.php';
672	}
673	if ( ! class_exists( 'Vigilante_Settings' ) ) {
674	require_once VIGILANTE_INCLUDES_DIR . 'class-settings.php';
675	}
676
677	$settings = new Vigilante_Settings();
678	$activity_log = null;
679	if ( class_exists( 'Vigilante_Activity_Log' ) && class_exists( 'Vigilante_Database' ) ) {
680	$database = new Vigilante_Database();
681	$activity_log = new Vigilante_Activity_Log( $settings, $database );
682	}
683
684	$checker = new Vigilante_Plugin_Status( $settings, $activity_log );
685	$checker->run_scheduled_check();
686	}
687
688	/**
689	* Run a Security Analyzer full scan after Under Attack mode deactivates.
690	*
691	* Scheduled one-shot from Vigilante_Under_Attack::deactivate() so the dashboard
692	* reflects the restored configuration with the slow HTTP/header probes the
693	* mode prevented from running safely while it was active.
694	*/
695	function vigilante_run_post_under_attack_scan() {
696	if ( ! class_exists( 'Vigilante_Under_Attack' ) ) {
697	require_once VIGILANTE_INCLUDES_DIR . 'class-under-attack.php';
698	}
699	if ( ! class_exists( 'Vigilante_Settings' ) ) {
700	require_once VIGILANTE_INCLUDES_DIR . 'class-settings.php';
701	}
702
703	$settings = new Vigilante_Settings();
704	$activity_log = null;
705	if ( class_exists( 'Vigilante_Activity_Log' ) && class_exists( 'Vigilante_Database' ) ) {
706	$database = new Vigilante_Database();
707	$activity_log = new Vigilante_Activity_Log( $settings, $database );
708	}
709
710	$under_attack = new Vigilante_Under_Attack( $settings, $activity_log );
711	$under_attack->run_analyzer_scan( 'all' );
712	}
713
714	/**
715	* Plugin activation hook
716	*/
717	function vigilante_activate() {
718	require_once VIGILANTE_INCLUDES_DIR . 'class-database.php';
719	require_once VIGILANTE_INCLUDES_DIR . 'class-settings.php';
720	require_once VIGILANTE_INCLUDES_DIR . 'class-backup-manager.php';
721	require_once VIGILANTE_INCLUDES_DIR . 'class-activator.php';
722
723	Vigilante_Activator::activate();
724	}
725	register_activation_hook( __FILE__, 'vigilante_activate' );
726
727	/**
728	* Plugin deactivation hook
729	*/
730	function vigilante_deactivate() {
731	require_once VIGILANTE_INCLUDES_DIR . 'class-database.php';
732	require_once VIGILANTE_INCLUDES_DIR . 'class-settings.php';
733	require_once VIGILANTE_INCLUDES_DIR . 'class-backup-manager.php';
734	require_once VIGILANTE_INCLUDES_DIR . 'class-deactivator.php';
735
736	Vigilante_Deactivator::deactivate();
737	}
738	register_deactivation_hook( __FILE__, 'vigilante_deactivate' );
739
740	/**
741	* Initialize plugin after WordPress loads
742	*/
743	add_action( 'plugins_loaded', 'vigilante_load_plugin' );
744
745	/*
746	* The hidden wp-admin is answered as early as the request can be judged with
747	* certainty, before the theme and the other plugins load. The modules are built
748	* on init priority 1, so until 2.9.9 a request that was going to be refused had
749	* already paid for the whole boot.
750	*/
751	add_action( 'plugins_loaded', 'vigilante_block_hidden_admin_early', 1 );
752
753	/**
754	* Cheap gate for the early hidden wp-admin rejection
755	*
756	* Everything that can be decided without loading a single plugin class is
757	* decided here, so the usual request pays nothing more than a couple of
758	* comparisons and one option read that WordPress has already cached.
759	*
760	* @since 2.9.9
761	*/
762	function vigilante_block_hidden_admin_early() {
763	if ( ! is_admin() ) {
764	return;
765	}
766
767	$method = isset( $_SERVER['REQUEST_METHOD'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REQUEST_METHOD'] ) ) : 'GET';
768
769	// POST is how remote managers authenticate, and the later path lets it through too.
770	if ( 'GET' !== $method ) {
771	return;
772	}
773
774	$options = get_option( 'vigilante_options', array() );
775
776	if ( ! is_array( $options )
777	\|\| empty( $options['modules']['login_security'] )
778	\|\| empty( $options['login_security']['custom_login_url'] ) ) {
779	return;
780	}
781
782	require_once VIGILANTE_INCLUDES_DIR . 'class-ip-utils.php';
783	require_once VIGILANTE_INCLUDES_DIR . 'class-login-security.php';
784
785	Vigilante_Login_Security::maybe_block_hidden_admin_early( $options );
786	}
787
788	/**
789	* Helper function to get plugin instance
790	*
791	* @return Vigilante_Main
792	*/
793	function vigilante() {
794	return Vigilante_Main::get_instance();
795	}