| 1 |
<?php |
| 2 |
/** |
| 3 |
* Activator Class |
| 4 |
* |
| 5 |
* Handles plugin activation tasks |
| 6 |
* |
| 7 |
* @package Vigilante |
| 8 |
*/ |
| 9 |
|
| 10 |
// Prevent direct access |
| 11 |
if ( ! defined( 'ABSPATH' ) ) { |
| 12 |
exit; |
| 13 |
} |
| 14 |
|
| 15 |
/** |
| 16 |
* Class Vigilante_Activator |
| 17 |
* |
| 18 |
* Fired during plugin activation |
| 19 |
*/ |
| 20 |
class Vigilante_Activator { |
| 21 |
|
| 22 |
/** |
| 23 |
* Run activation tasks |
| 24 |
*/ |
| 25 |
public static function activate() { |
| 26 |
// Start output buffering to prevent any accidental output |
| 27 |
ob_start(); |
| 28 |
|
| 29 |
// Check requirements first |
| 30 |
if ( ! self::check_requirements() ) { |
| 31 |
ob_end_clean(); |
| 32 |
return; |
| 33 |
} |
| 34 |
|
| 35 |
// Create database tables |
| 36 |
$database = new Vigilante_Database(); |
| 37 |
$database->create_tables(); |
| 38 |
|
| 39 |
// Initialize default settings |
| 40 |
$settings = new Vigilante_Settings(); |
| 41 |
$current_options = get_option( Vigilante_Settings::OPTION_NAME ); |
| 42 |
|
| 43 |
if ( false === $current_options ) { |
| 44 |
// First installation - set defaults |
| 45 |
$first_run = $settings->get_default_options(); |
| 46 |
|
| 47 |
/* |
| 48 |
* XML-RPC on a brand new install: block the pingback methods, which is |
| 49 |
* what gets abused for amplification, and leave the rest reachable so |
| 50 |
* the WordPress app, Jetpack or a remote manager keep working out of |
| 51 |
* the box. Disabling it completely is the stricter choice and the one |
| 52 |
* the settings screen recommends, but it is not imposed on a site that |
| 53 |
* never asked for it. Brute force through XML-RPC stays covered either |
| 54 |
* way, because those logins go through wp_authenticate() and the login |
| 55 |
* lockout hooks into it. |
| 56 |
* |
| 57 |
* Only written here, on a first installation. Sites upgrading keep |
| 58 |
* whatever they had: the activation hook does not run on an update, and |
| 59 |
* Vigilante_Comment_Security::resolve_xmlrpc_mode() answers 'full' when |
| 60 |
* nothing is stored, which is what every version since 1.0.0 did. |
| 61 |
*/ |
| 62 |
if ( ! isset( $first_run['wp_hardening'] ) || ! is_array( $first_run['wp_hardening'] ) ) { |
| 63 |
$first_run['wp_hardening'] = array(); |
| 64 |
} |
| 65 |
$first_run['wp_hardening']['xmlrpc_mode'] = 'pingback'; |
| 66 |
|
| 67 |
update_option( Vigilante_Settings::OPTION_NAME, $first_run ); |
| 68 |
// Refresh settings instance to get new values |
| 69 |
$settings->clear_cache(); |
| 70 |
$settings = new Vigilante_Settings(); |
| 71 |
} else { |
| 72 |
// Existing installation - run idempotent migrations |
| 73 |
if ( self::run_migrations( $current_options ) ) { |
| 74 |
$settings->clear_cache(); |
| 75 |
$settings = new Vigilante_Settings(); |
| 76 |
} |
| 77 |
} |
| 78 |
|
| 79 |
// Create backup of current files FIRST (before any modifications) |
| 80 |
self::create_activation_backup( $settings ); |
| 81 |
|
| 82 |
// Apply htaccess protection (part of firewall module) |
| 83 |
if ( $settings->is_module_enabled( 'firewall' ) ) { |
| 84 |
self::apply_htaccess_protection( $settings ); |
| 85 |
} |
| 86 |
|
| 87 |
// Apply security headers to htaccess |
| 88 |
if ( $settings->is_module_enabled( 'security_headers' ) ) { |
| 89 |
self::apply_security_headers( $settings ); |
| 90 |
} |
| 91 |
|
| 92 |
// Apply wp-config security (part of wp_hardening module) |
| 93 |
if ( $settings->is_module_enabled( 'wp_hardening' ) ) { |
| 94 |
self::apply_wpconfig_security( $settings ); |
| 95 |
} |
| 96 |
|
| 97 |
// Update WordPress options for HTTPS (part of security_headers module) |
| 98 |
if ( $settings->is_module_enabled( 'security_headers' ) ) { |
| 99 |
self::enforce_https( $settings ); |
| 100 |
} |
| 101 |
|
| 102 |
// Apply comment security settings (part of wp_hardening module) |
| 103 |
if ( $settings->is_module_enabled( 'wp_hardening' ) ) { |
| 104 |
self::apply_comment_security( $settings ); |
| 105 |
} |
| 106 |
|
| 107 |
// Remove sensitive files |
| 108 |
self::remove_sensitive_files( $settings ); |
| 109 |
|
| 110 |
// Generate critical config files baseline (after all Vigilante writes above) |
| 111 |
self::generate_critical_baseline( $settings ); |
| 112 |
|
| 113 |
// Schedule cron events |
| 114 |
self::schedule_events(); |
| 115 |
|
| 116 |
// Set activation transient for admin notice |
| 117 |
set_transient( 'vigilante_activated', true, 30 ); |
| 118 |
|
| 119 |
// Store activation time |
| 120 |
update_option( 'vigilante_activated_time', time() ); |
| 121 |
|
| 122 |
// Send activation email if enabled |
| 123 |
self::send_activation_email( $settings ); |
| 124 |
|
| 125 |
// Flush rewrite rules |
| 126 |
flush_rewrite_rules(); |
| 127 |
|
| 128 |
// Clean any output that may have been generated |
| 129 |
ob_end_clean(); |
| 130 |
} |
| 131 |
|
| 132 |
/** |
| 133 |
* Idempotent migrations for existing installations. |
| 134 |
* |
| 135 |
* @param array $current_options Current vigilante_options array. |
| 136 |
* @return bool True if any migration changed the stored option. |
| 137 |
*/ |
| 138 |
private static function run_migrations( $current_options ) { |
| 139 |
$changed = false; |
| 140 |
|
| 141 |
// Migration: rest_api_security.mode legacy value 'authenticated' |
| 142 |
// (UI bug shipped a <select> value that did not match the backend |
| 143 |
// string 'authenticated_only', so manual saves wrote a value the |
| 144 |
// module ignored). Normalise so the option is honoured again. |
| 145 |
if ( isset( $current_options['rest_api_security']['mode'] ) |
| 146 |
&& 'authenticated' === $current_options['rest_api_security']['mode'] ) { |
| 147 |
$current_options['rest_api_security']['mode'] = 'authenticated_only'; |
| 148 |
$changed = true; |
| 149 |
} |
| 150 |
|
| 151 |
// Migration: rest_api_security.protected_endpoints used to default to |
| 152 |
// ['/wp/v2/users'], which duplicated the "Block user enumeration" |
| 153 |
// toggle and confused users (turning that toggle off didn't unblock |
| 154 |
// /users because protected_endpoints kept it locked in selective |
| 155 |
// mode). If the saved list is still the legacy single-element default, |
| 156 |
// empty it out so there is one knob per behaviour. Custom lists |
| 157 |
// (anything other than exactly ['/wp/v2/users']) are left untouched. |
| 158 |
if ( isset( $current_options['rest_api_security']['protected_endpoints'] ) |
| 159 |
&& is_array( $current_options['rest_api_security']['protected_endpoints'] ) |
| 160 |
&& array( '/wp/v2/users' ) === array_values( $current_options['rest_api_security']['protected_endpoints'] ) ) { |
| 161 |
$current_options['rest_api_security']['protected_endpoints'] = array(); |
| 162 |
$changed = true; |
| 163 |
} |
| 164 |
|
| 165 |
// Migration: section-level 'enabled' flag wrongly stored as false. |
| 166 |
// Earlier 2.4.x betas had a UI save handler that treated the absence |
| 167 |
// of a field in the form as "checkbox unchecked" — including the |
| 168 |
// top-level 'enabled' master flag, which has no checkbox in any |
| 169 |
// section form. This left modules silently disabled even though the |
| 170 |
// Dashboard master toggle was on. Restore the flag where it makes |
| 171 |
// sense (master toggle on + flag false). |
| 172 |
$sections = array( |
| 173 |
'firewall', |
| 174 |
'security_headers', |
| 175 |
'login_security', |
| 176 |
'rest_api_security', |
| 177 |
'user_security', |
| 178 |
'wp_hardening', |
| 179 |
'file_integrity', |
| 180 |
'activity_log', |
| 181 |
); |
| 182 |
foreach ( $sections as $section_name ) { |
| 183 |
if ( ! empty( $current_options['modules'][ $section_name ] ) |
| 184 |
&& isset( $current_options[ $section_name ] ) |
| 185 |
&& is_array( $current_options[ $section_name ] ) |
| 186 |
&& array_key_exists( 'enabled', $current_options[ $section_name ] ) |
| 187 |
&& empty( $current_options[ $section_name ]['enabled'] ) ) { |
| 188 |
$current_options[ $section_name ]['enabled'] = true; |
| 189 |
$changed = true; |
| 190 |
} |
| 191 |
} |
| 192 |
|
| 193 |
if ( $changed ) { |
| 194 |
update_option( Vigilante_Settings::OPTION_NAME, $current_options ); |
| 195 |
} |
| 196 |
|
| 197 |
return $changed; |
| 198 |
} |
| 199 |
|
| 200 |
/** |
| 201 |
* Check minimum requirements |
| 202 |
* |
| 203 |
* @return bool |
| 204 |
*/ |
| 205 |
private static function check_requirements() { |
| 206 |
// PHP version check |
| 207 |
if ( version_compare( PHP_VERSION, '7.4', '<' ) ) { |
| 208 |
add_action( 'admin_notices', function() { |
| 209 |
printf( |
| 210 |
'<div class="notice notice-error"><p>%s</p></div>', |
| 211 |
esc_html__( 'Vigilant requires PHP 7.4 or higher.', 'vigilante' ) |
| 212 |
); |
| 213 |
}); |
| 214 |
return false; |
| 215 |
} |
| 216 |
|
| 217 |
// WordPress version check |
| 218 |
global $wp_version; |
| 219 |
if ( version_compare( $wp_version, '5.0', '<' ) ) { |
| 220 |
add_action( 'admin_notices', function() { |
| 221 |
printf( |
| 222 |
'<div class="notice notice-error"><p>%s</p></div>', |
| 223 |
esc_html__( 'Vigilant requires WordPress 5.0 or higher.', 'vigilante' ) |
| 224 |
); |
| 225 |
}); |
| 226 |
return false; |
| 227 |
} |
| 228 |
|
| 229 |
return true; |
| 230 |
} |
| 231 |
|
| 232 |
/** |
| 233 |
* Create backup of important files |
| 234 |
* |
| 235 |
* @param Vigilante_Settings $settings Settings instance. |
| 236 |
*/ |
| 237 |
private static function create_activation_backup( $settings ) { |
| 238 |
require_once VIGILANTE_INCLUDES_DIR . 'class-backup-manager.php'; |
| 239 |
|
| 240 |
$backup_manager = new Vigilante_Backup_Manager(); |
| 241 |
$result = $backup_manager->create_backups(); |
| 242 |
|
| 243 |
if ( is_wp_error( $result ) ) { |
| 244 |
// Store error for admin notice |
| 245 |
set_transient( 'vigilante_backup_error', $result->get_error_message(), 60 ); |
| 246 |
} |
| 247 |
} |
| 248 |
|
| 249 |
/** |
| 250 |
* Apply htaccess protection |
| 251 |
* |
| 252 |
* @param Vigilante_Settings $settings Settings instance. |
| 253 |
*/ |
| 254 |
private static function apply_htaccess_protection( $settings ) { |
| 255 |
// Only apply if Apache server |
| 256 |
if ( ! self::is_apache() ) { |
| 257 |
return; |
| 258 |
} |
| 259 |
|
| 260 |
require_once VIGILANTE_INCLUDES_DIR . 'class-htaccess-protection.php'; |
| 261 |
|
| 262 |
$htaccess = new Vigilante_Htaccess_Protection( $settings ); |
| 263 |
$htaccess->apply_rules(); |
| 264 |
} |
| 265 |
|
| 266 |
/** |
| 267 |
* Apply security headers to htaccess |
| 268 |
* |
| 269 |
* @param Vigilante_Settings $settings Settings instance. |
| 270 |
*/ |
| 271 |
private static function apply_security_headers( $settings ) { |
| 272 |
// Only apply if Apache server |
| 273 |
if ( ! self::is_apache() ) { |
| 274 |
return; |
| 275 |
} |
| 276 |
|
| 277 |
require_once VIGILANTE_INCLUDES_DIR . 'class-security-headers.php'; |
| 278 |
|
| 279 |
$security_headers = new Vigilante_Security_Headers( $settings ); |
| 280 |
$security_headers->apply_rules(); |
| 281 |
} |
| 282 |
|
| 283 |
/** |
| 284 |
* Apply wp-config security |
| 285 |
* |
| 286 |
* @param Vigilante_Settings $settings Settings instance. |
| 287 |
*/ |
| 288 |
private static function apply_wpconfig_security( $settings ) { |
| 289 |
require_once VIGILANTE_INCLUDES_DIR . 'class-wpconfig-security.php'; |
| 290 |
|
| 291 |
$wpconfig = new Vigilante_Wpconfig_Security( $settings ); |
| 292 |
$wpconfig->apply_security_constants(); |
| 293 |
} |
| 294 |
|
| 295 |
/** |
| 296 |
* Enforce HTTPS in WordPress settings |
| 297 |
* |
| 298 |
* @param Vigilante_Settings $settings Settings instance. |
| 299 |
*/ |
| 300 |
private static function enforce_https( $settings ) { |
| 301 |
$options = $settings->get_section( 'security_headers' ); |
| 302 |
|
| 303 |
if ( empty( $options['force_https'] ) ) { |
| 304 |
return; |
| 305 |
} |
| 306 |
|
| 307 |
/* |
| 308 |
* Only rewrite the URLs when the request doing the activation is itself |
| 309 |
* running over HTTPS, which proves the site answers over it. Without this |
| 310 |
* check, activating on an HTTP-only site pointed it at an address that |
| 311 |
* may not respond, locking the owner out of their own admin. is_ssl() is |
| 312 |
* also false under WP-CLI, where there is no request to learn from, so a |
| 313 |
* command-line activation leaves the URLs alone as well. |
| 314 |
*/ |
| 315 |
if ( ! is_ssl() ) { |
| 316 |
return; |
| 317 |
} |
| 318 |
|
| 319 |
// Check if already HTTPS |
| 320 |
$site_url = get_option( 'siteurl' ); |
| 321 |
$home_url = get_option( 'home' ); |
| 322 |
|
| 323 |
// Update to HTTPS if not already |
| 324 |
if ( strpos( $site_url, 'https://' ) === false ) { |
| 325 |
update_option( 'siteurl', str_replace( 'http://', 'https://', $site_url ) ); |
| 326 |
} |
| 327 |
|
| 328 |
if ( strpos( $home_url, 'https://' ) === false ) { |
| 329 |
update_option( 'home', str_replace( 'http://', 'https://', $home_url ) ); |
| 330 |
} |
| 331 |
} |
| 332 |
|
| 333 |
/** |
| 334 |
* Remove sensitive files from WordPress root |
| 335 |
* |
| 336 |
* @param Vigilante_Settings $settings Settings instance. |
| 337 |
*/ |
| 338 |
private static function remove_sensitive_files( $settings ) { |
| 339 |
$advanced = $settings->get_section( 'advanced' ); |
| 340 |
|
| 341 |
// Remove readme.html |
| 342 |
if ( ! empty( $advanced['remove_readme'] ) ) { |
| 343 |
$readme_path = ABSPATH . 'readme.html'; |
| 344 |
if ( file_exists( $readme_path ) ) { |
| 345 |
wp_delete_file( $readme_path ); |
| 346 |
} |
| 347 |
} |
| 348 |
|
| 349 |
// Remove license.txt / licencia.txt (Spanish locale) |
| 350 |
if ( ! empty( $advanced['remove_license'] ) ) { |
| 351 |
$license_files = array( 'license.txt', 'licencia.txt' ); |
| 352 |
foreach ( $license_files as $license_file ) { |
| 353 |
$license_path = ABSPATH . $license_file; |
| 354 |
if ( file_exists( $license_path ) ) { |
| 355 |
wp_delete_file( $license_path ); |
| 356 |
} |
| 357 |
} |
| 358 |
} |
| 359 |
} |
| 360 |
|
| 361 |
/** |
| 362 |
* Generate initial baseline hashes for critical config files |
| 363 |
* |
| 364 |
* Called once during activation, after Vigilante has written its own |
| 365 |
* blocks to wp-config.php and .htaccess. The baseline stores the |
| 366 |
* normalized hash (excluding Vigilante blocks) so that subsequent |
| 367 |
* scans can detect unauthorized external modifications. |
| 368 |
* |
| 369 |
* @param Vigilante_Settings $settings Settings instance. |
| 370 |
*/ |
| 371 |
private static function generate_critical_baseline( $settings ) { |
| 372 |
if ( ! class_exists( 'Vigilante_File_Integrity' ) ) { |
| 373 |
require_once VIGILANTE_INCLUDES_DIR . 'class-file-integrity.php'; |
| 374 |
} |
| 375 |
|
| 376 |
$database = new Vigilante_Database(); |
| 377 |
$activity_log = null; // Not needed for baseline generation |
| 378 |
|
| 379 |
$fi = new Vigilante_File_Integrity( $settings, $database, $activity_log ); |
| 380 |
$fi->regenerate_all_baselines(); |
| 381 |
} |
| 382 |
|
| 383 |
/** |
| 384 |
* Schedule cron events |
| 385 |
*/ |
| 386 |
private static function schedule_events() { |
| 387 |
// Daily maintenance |
| 388 |
if ( ! wp_next_scheduled( 'vigilante_daily_maintenance' ) ) { |
| 389 |
wp_schedule_event( time(), 'daily', 'vigilante_daily_maintenance' ); |
| 390 |
} |
| 391 |
|
| 392 |
// Hourly checks |
| 393 |
if ( ! wp_next_scheduled( 'vigilante_hourly_checks' ) ) { |
| 394 |
wp_schedule_event( time(), 'hourly', 'vigilante_hourly_checks' ); |
| 395 |
} |
| 396 |
|
| 397 |
// Weekly security analyzer scan |
| 398 |
if ( ! wp_next_scheduled( 'vigilante_analyzer_weekly_scan' ) ) { |
| 399 |
wp_schedule_event( time() + DAY_IN_SECONDS, 'weekly', 'vigilante_analyzer_weekly_scan' ); |
| 400 |
} |
| 401 |
|
| 402 |
// Daily plugin status check (closed-in-wp.org detection) |
| 403 |
if ( ! wp_next_scheduled( 'vigilante_plugin_status_check' ) ) { |
| 404 |
wp_schedule_event( time() + HOUR_IN_SECONDS, 'daily', 'vigilante_plugin_status_check' ); |
| 405 |
} |
| 406 |
} |
| 407 |
|
| 408 |
/** |
| 409 |
* Send activation notification email |
| 410 |
* |
| 411 |
* @param Vigilante_Settings $settings Settings instance. |
| 412 |
*/ |
| 413 |
private static function send_activation_email( $settings ) { |
| 414 |
$email_settings = $settings->get_section( 'email' ); |
| 415 |
|
| 416 |
if ( empty( $email_settings['send_activation_email'] ) ) { |
| 417 |
return; |
| 418 |
} |
| 419 |
|
| 420 |
if ( ! class_exists( 'Vigilante_Email_Template' ) ) { |
| 421 |
require_once VIGILANTE_INCLUDES_DIR . 'class-email-template.php'; |
| 422 |
} |
| 423 |
|
| 424 |
$to = Vigilante_Email_Template::get_admin_recipients(); |
| 425 |
|
| 426 |
$site_name = get_bloginfo( 'name' ); |
| 427 |
$site_url = get_site_url(); |
| 428 |
|
| 429 |
$subject = sprintf( |
| 430 |
/* translators: %s: Site name */ |
| 431 |
__( '[%s] Vigilant Activated', 'vigilante' ), |
| 432 |
$site_name |
| 433 |
); |
| 434 |
|
| 435 |
$body = Vigilante_Email_Template::p( __( 'Vigilant has been activated on your website. All security modules are now enabled with default settings.', 'vigilante' ) ); |
| 436 |
$body .= Vigilante_Email_Template::data_table( array( |
| 437 |
__( 'Site', 'vigilante' ) => $site_name, |
| 438 |
__( 'URL', 'vigilante' ) => $site_url, |
| 439 |
__( 'Date', 'vigilante' ) => wp_date( get_option( 'date_format' ) . ' ' . get_option( 'time_format' ) ), |
| 440 |
) ); |
| 441 |
$body .= Vigilante_Email_Template::info_box( __( 'Please review the settings in your WordPress admin panel.', 'vigilante' ) ); |
| 442 |
$body .= Vigilante_Email_Template::button( admin_url( 'admin.php?page=vigilante' ), __( 'Go to Vigilant', 'vigilante' ) ); |
| 443 |
|
| 444 |
Vigilante_Email_Template::send( $to, $subject, __( 'Plugin activated', 'vigilante' ), $body ); |
| 445 |
} |
| 446 |
|
| 447 |
/** |
| 448 |
* Apply comment security settings to WordPress options |
| 449 |
* |
| 450 |
* @param Vigilante_Settings $settings Settings instance. |
| 451 |
*/ |
| 452 |
private static function apply_comment_security( $settings ) { |
| 453 |
$options = $settings->get_section( 'wp_hardening' ); |
| 454 |
|
| 455 |
// Disable pingbacks |
| 456 |
if ( ! empty( $options['disable_pingbacks'] ) ) { |
| 457 |
update_option( 'default_pingback_flag', 0 ); |
| 458 |
update_option( 'default_ping_status', 'closed' ); |
| 459 |
} |
| 460 |
|
| 461 |
// Disable trackbacks |
| 462 |
if ( ! empty( $options['disable_trackbacks'] ) ) { |
| 463 |
update_option( 'default_ping_status', 'closed' ); |
| 464 |
} |
| 465 |
|
| 466 |
// Require comment moderation |
| 467 |
if ( ! empty( $options['require_comment_moderation'] ) ) { |
| 468 |
update_option( 'comment_moderation', 1 ); |
| 469 |
} |
| 470 |
} |
| 471 |
|
| 472 |
/** |
| 473 |
* Check if server is Apache |
| 474 |
* |
| 475 |
* @return bool |
| 476 |
*/ |
| 477 |
private static function is_apache() { |
| 478 |
if ( ! function_exists( 'apache_get_modules' ) ) { |
| 479 |
// Check server software |
| 480 |
$server = isset( $_SERVER['SERVER_SOFTWARE'] ) ? sanitize_text_field( wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) ) : ''; |
| 481 |
return stripos( $server, 'apache' ) !== false || stripos( $server, 'litespeed' ) !== false; |
| 482 |
} |
| 483 |
return true; |
| 484 |
} |
| 485 |
} |
