| 1 |
<?php |
| 2 |
/** |
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* Settings Class |
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* |
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* Centralized settings management with default values |
| 6 |
* |
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* @package Vigilante |
| 8 |
*/ |
| 9 |
|
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// Prevent direct access |
| 11 |
if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* Class Vigilante_Settings |
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* |
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* Handles all plugin settings with defaults, getters and setters |
| 19 |
*/ |
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class Vigilante_Settings { |
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|
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/** |
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* Option name in database |
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*/ |
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const OPTION_NAME = 'vigilante_options'; |
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|
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/** |
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* Cached options |
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* |
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* @var array|null |
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*/ |
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private $options = null; |
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|
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/** |
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* Default options structure |
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* |
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* @var array |
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*/ |
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private $defaults; |
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|
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/** |
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* Constructor |
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*/ |
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public function __construct() { |
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$this->defaults = $this->get_default_options(); |
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} |
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|
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/** |
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* Get all default options |
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* |
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* @return array Complete default options array |
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*/ |
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public function get_default_options() { |
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return array( |
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// Module toggles - 8 modules that match tabs |
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'modules' => array( |
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'firewall' => true, |
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'security_headers' => true, |
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'login_security' => true, |
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'rest_api_security'=> true, |
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'user_security' => true, |
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'wp_hardening' => true, |
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'file_integrity' => true, |
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'activity_log' => true, |
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), |
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|
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// Firewall settings (includes htaccess, rate limiting, file protection) |
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'firewall' => array( |
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// Request filtering (PHP-based) |
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'block_bad_query_strings' => true, |
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'block_sql_injection' => true, |
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'block_xss_attacks' => true, |
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'block_file_inclusion' => true, |
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'block_directory_traversal' => true, |
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|
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// Bot protection |
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'block_bad_bots' => true, |
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'block_empty_user_agent' => false, |
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|
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// Rate limiting |
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'rate_limiting' => array( |
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'enabled' => true, |
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'requests_per_minute' => 120, |
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'block_duration' => 300, |
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'progressive' => false, |
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'max_block_duration' => 86400, |
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), |
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|
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// IP management |
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'ip_whitelist' => array(), |
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'ip_blacklist' => array(), |
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|
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// Proxy / CDN: forwarded header to trust for the visitor IP. |
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// Empty = trust only REMOTE_ADDR (the real connection, unspoofable). |
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'trusted_proxy_header' => '', |
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|
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// Proxy / CDN: IPs or CIDR ranges the forwarded header is accepted |
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// from. Empty = accept it only from your own network, and, for |
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// CF-Connecting-IP, Cloudflare's own ranges. Since 2.11.9, so a |
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// header cannot be forged by a visitor reaching the origin directly. |
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'trusted_proxies' => array(), |
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|
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// User-Agent management |
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'ua_whitelist' => array(), |
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'ua_blacklist' => array(), |
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|
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// File protection (htaccess-based) |
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'disable_directory_browsing' => true, |
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'protect_wp_config' => true, |
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'protect_wp_includes' => true, |
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'protect_uploads_php' => true, |
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'protect_sensitive_files' => true, |
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// Off by default — only safe when host has a real server-side cron job |
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// calling wp-cron.php; otherwise scheduled tasks stop running silently. |
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'protect_wp_cron' => false, |
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'block_php_in_plugins' => false, |
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'block_php_in_themes' => false, |
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'limit_http_methods' => true, |
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// All methods needed for WordPress core, Gutenberg, REST API, and page builders |
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'allowed_http_methods' => array( 'GET', 'POST', 'HEAD', 'OPTIONS', 'PUT', 'PATCH', 'DELETE' ), |
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), |
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|
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// Security Headers settings (includes HTTPS enforcer) |
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'security_headers' => array( |
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'enabled' => true, |
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|
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// Basic headers |
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'x_frame_options' => 'SAMEORIGIN', |
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'x_content_type_options' => true, |
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'referrer_policy' => 'strict-origin-when-cross-origin', |
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|
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// HSTS |
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'hsts' => array( |
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'enabled' => false, |
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'max_age' => 31536000, |
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'include_subdomains' => false, |
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'preload' => false, |
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), |
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|
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// Permissions Policy |
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'permissions_policy' => array( |
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'enabled' => true, |
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'geolocation' => '()', |
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'microphone' => '()', |
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'camera' => '()', |
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'payment' => '(self)', |
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'usb' => '()', |
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), |
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|
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// CSP - WordPress/Gutenberg compatible defaults |
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// Note: blob: is required in frame-src and worker-src for the block editor, |
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// and in connect-src for the client-side media processing WordPress 7.1 |
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// introduced: @wordpress/vips puts its WebAssembly binary in a blob: URL and |
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// fetches it, and fetch() is governed by connect-src, where 'self' does not |
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// cover blob:. Without it the editor cannot process images before upload. |
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'csp' => array( |
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'enabled' => true, |
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'report_only' => false, |
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'report_uri' => '', |
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'directives' => array( |
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'default-src' => "'self'", |
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'script-src' => "'self' 'unsafe-inline' 'unsafe-eval' https:", |
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'style-src' => "'self' 'unsafe-inline' https:", |
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'img-src' => "'self' data: https: blob:", |
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'font-src' => "'self' data: https:", |
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'connect-src' => "'self' https: wss: blob:", |
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'media-src' => "'self' https: blob:", |
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'frame-src' => "'self' https: blob:", |
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'frame-ancestors' => "'self'", |
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'base-uri' => "'self'", |
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'form-action' => "'self' https:", |
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'object-src' => "'none'", |
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'worker-src' => "'self' blob:", |
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'upgrade-insecure-requests'=> true, |
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), |
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), |
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|
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// Cross-origin policies |
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'cross_origin_policies' => array( |
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'embedder_policy' => 'unsafe-none', |
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'opener_policy' => 'same-origin-allow-popups', |
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'resource_policy' => 'cross-origin', |
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), |
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|
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// HTTPS Enforcer (moved from separate module) |
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// |
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// force_https rewrites siteurl/home to https on activation, so it |
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// ships off: a site without working HTTPS would end up pointing at |
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// an address that does not answer. It is an opt-in decision per |
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// site, made from the Security Headers tab. Sites whose URLs a |
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// previous version already rewrote keep them; nothing reverts them. |
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'force_https' => false, |
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// Off by default for the same reason as force_https above: the |
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// plugin does not decide that a site is on HTTPS. It only |
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// redirects when the site's own home URL already says https, so |
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// shipping it on was harmless in practice, but it is still a |
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// decision that belongs to the site owner, not to us. Sites that |
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// already have it on keep it. |
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'redirect_http_to_https' => false, |
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// Rewrites http:// URLs of this same site to https://, and only |
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// on a site already served over HTTPS, so it cannot reach a third |
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// party and cannot make a resource fail. It still ships off: a |
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// setting whose own description says it rewrites http to https |
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// does not belong in the factory configuration of a plugin that |
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// deliberately does not decide whether a site is on HTTPS. Every |
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// https-related setting here is the owner's call, and this one is |
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// one click away for anyone who has just migrated and wants their |
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// old content rewritten. |
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'fix_mixed_content' => false, |
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// The Content-Security-Policy directive that tells the browser to |
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// upgrade every http:// request, including the ones pointing at |
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// other people's servers. If any of those has no HTTPS the |
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// resource simply stops loading, so this is the one piece of |
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// mixed content handling that can break a page, and it is off by |
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// default like everything else here that forces HTTPS. It used to |
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// ride along with fix_mixed_content with no way to separate them. |
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'upgrade_insecure_requests' => false, |
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|
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// Server Protection (moved from firewall in v2.0.0) |
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'hide_server_signature' => true, |
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'remove_fingerprinting_headers' => true, |
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), |
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|
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// Login Security settings |
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'login_security' => array( |
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'enabled' => true, |
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'max_attempts' => 5, |
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'lockout_duration' => 1800, |
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'lockout_increment' => true, |
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'max_lockout_duration' => 86400, |
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'hide_login_errors' => true, |
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// XML-RPC se movio a wp_hardening en la 2.9.7; lo resuelve |
| 233 |
// Vigilante_Comment_Security::resolve_xmlrpc_mode(), que |
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// sustituye a las dos casillas anteriores (disable_xmlrpc y |
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// disable_xmlrpc_pingback), que podian estar activas a la vez y |
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// contradecirse. A proposito NO se declara aqui ningun default: si se |
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// declarara, el merge con los defaults lo rellenaria siempre y taparia el |
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// respaldo que lee el ajuste antiguo de los sitios que aun no han vuelto a |
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// guardar la pestana. Sin nada guardado, el resolutor devuelve 'full', que |
| 240 |
// es lo que hacia el default anterior. |
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'disable_application_passwords' => false, |
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'notify_on_lockout' => false, |
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'notify_on_admin_login' => false, |
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'ip_whitelist' => array(), |
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'custom_login_url' => '', |
| 246 |
'notify_on_login_url_change' => true, |
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// Two-Factor Authentication |
| 248 |
'two_factor' => array( |
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'enabled' => false, |
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'method' => 'email', |
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'enforced_roles' => array( 'administrator', 'editor' ), |
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'excluded_users' => array(), |
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'remember_device_days' => 30, |
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'allow_remember_device' => false, |
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'code_expiry_minutes' => 10, |
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'max_attempts' => 3, |
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'email_from_name' => '', |
| 258 |
'notify_on_enable' => true, |
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'grace_period_days' => 3, |
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), |
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), |
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|
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// REST API Security settings |
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'rest_api_security' => array( |
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'enabled' => true, |
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'mode' => 'selective', |
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'block_user_enumeration' => true, |
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'disable_jsonp' => true, |
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// Empty by default: /wp/v2/users used to live here, but that |
| 270 |
// duplicated the dedicated "Block user enumeration" toggle. |
| 271 |
// Now there is one knob = one behaviour. If you want to |
| 272 |
// protect additional endpoints in selective mode, add them |
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// explicitly via this setting (or via a filter). |
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'protected_endpoints' => array(), |
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'allowed_public_endpoints' => array( |
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'/wp/v2/posts', |
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'/wp/v2/pages', |
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'/wp/v2/categories', |
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'/wp/v2/tags', |
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'/oembed/', |
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), |
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'plugin_compatibility' => array( |
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'woocommerce' => true, |
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'contact_form_7' => true, |
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'elementor' => true, |
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), |
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), |
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|
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// User Security settings |
| 290 |
'user_security' => array( |
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'enabled' => true, |
| 292 |
'block_insecure_usernames'=> true, |
| 293 |
'insecure_usernames' => array( |
| 294 |
'admin', 'administrator', 'user', 'test', 'guest', |
| 295 |
'info', 'root', 'adm', 'sysadmin', 'support', |
| 296 |
'webmaster', 'master', 'owner', 'manager', 'demo', |
| 297 |
), |
| 298 |
'block_author_scanning' => true, |
| 299 |
'force_strong_passwords' => true, |
| 300 |
'min_password_length' => 12, |
| 301 |
|
| 302 |
// Granular password policy. Applies only while |
| 303 |
// force_strong_passwords is on. The defaults follow current |
| 304 |
// guidance (NIST SP 800-63B): what makes a password weak is being |
| 305 |
// guessable, not lacking a symbol, and composition rules push |
| 306 |
// people towards predictable substitutions and towards writing |
| 307 |
// the password down. So out of the box only the two rules that |
| 308 |
// block genuinely guessable passwords are on, and the four |
| 309 |
// character-class requirements ship off for anyone to turn on. |
| 310 |
// Existing sites keep whatever they have stored. |
| 311 |
// affected_roles empty = all roles. |
| 312 |
'password_policy' => array( |
| 313 |
'require_uppercase' => false, |
| 314 |
'require_lowercase' => false, |
| 315 |
'require_number' => false, |
| 316 |
'require_special' => false, |
| 317 |
'block_common' => true, |
| 318 |
'block_username' => true, |
| 319 |
'affected_roles' => array(), |
| 320 |
), |
| 321 |
|
| 322 |
'prevent_display_name_login_match' => true, |
| 323 |
|
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// Admin monitoring |
| 325 |
// The two alerts that report someone gaining power ship on: a |
| 326 |
// new administrator and a role being raised are the signature of |
| 327 |
// an account takeover, and they are rare enough not to be noise. |
| 328 |
// The other two are ordinary admin housekeeping and stay opt-in. |
| 329 |
'admin_monitoring' => array( |
| 330 |
'alert_new_admin' => true, |
| 331 |
'alert_admin_email_change' => false, |
| 332 |
'alert_permission_elevation' => true, |
| 333 |
'alert_admin_password_change' => false, |
| 334 |
), |
| 335 |
|
| 336 |
// Force password reset (no options, uses native WordPress flow) |
| 337 |
|
| 338 |
// Registration approval |
| 339 |
'registration_approval' => array( |
| 340 |
'enabled' => false, |
| 341 |
'notify_admin' => false, |
| 342 |
'auto_reject_days' => 0, |
| 343 |
'affected_roles' => array( 'subscriber' ), |
| 344 |
), |
| 345 |
|
| 346 |
// Session management |
| 347 |
'session_management' => array( |
| 348 |
'enabled' => true, |
| 349 |
'show_in_profile' => true, |
| 350 |
), |
| 351 |
|
| 352 |
// Session limits |
| 353 |
'session_limits' => array( |
| 354 |
'enabled' => true, |
| 355 |
'max_sessions' => 3, |
| 356 |
'behavior' => 'close_oldest', |
| 357 |
'exclude_admins' => false, |
| 358 |
), |
| 359 |
|
| 360 |
// Password expiration ships OFF. Forced rotation is no longer |
| 361 |
// recommended (NIST SP 800-63B advises against it) and it is by |
| 362 |
// far the biggest source of support here: people locked out mid |
| 363 |
// task, cron reminders that never arrive, roles nobody meant to |
| 364 |
// include. The feature stays for anyone who has to comply with a |
| 365 |
// policy that still demands it, and the Configuration Score keeps |
| 366 |
// pointing at it, which is what that score is for. |
| 367 |
'password_expiration' => array( |
| 368 |
'enabled' => false, |
| 369 |
'expire_days' => 90, |
| 370 |
'warning_days' => 14, |
| 371 |
'affected_roles' => array( 'administrator', 'editor' ), |
| 372 |
'excluded_users' => array(), |
| 373 |
'password_history' => 3, |
| 374 |
'send_reminder' => false, |
| 375 |
), |
| 376 |
|
| 377 |
// Email verification |
| 378 |
'email_verification' => array( |
| 379 |
'enabled' => false, |
| 380 |
'token_expiry_hours' => 24, |
| 381 |
'allow_resend' => true, |
| 382 |
'auto_delete_days' => 7, |
| 383 |
), |
| 384 |
), |
| 385 |
|
| 386 |
// WordPress Hardening (combines wp-config, comments, feeds, head cleaner) |
| 387 |
'wp_hardening' => array( |
| 388 |
'enabled' => true, |
| 389 |
|
| 390 |
// wp-config security |
| 391 |
'disallow_file_edit' => true, |
| 392 |
'disallow_file_mods' => false, |
| 393 |
// Off by default. This one writes FORCE_SSL_ADMIN into |
| 394 |
// wp-config.php, and it used to do so on activation with no |
| 395 |
// check that the site answers over HTTPS at all, which locks the |
| 396 |
// owner out of their own admin. Forcing HTTPS is an opt-in |
| 397 |
// decision per site, consistent with force_https and with HSTS, |
| 398 |
// both of which already ship off. |
| 399 |
'force_ssl_admin' => false, |
| 400 |
'wp_debug' => true, |
| 401 |
// Off by default — only safe when host has a real server-side cron job; |
| 402 |
// pairs with firewall.protect_wp_cron to block both internal triggering |
| 403 |
// (this constant) and external HTTP abuse (the .htaccess rule). |
| 404 |
'disable_wp_cron' => false, |
| 405 |
|
| 406 |
// Comment security |
| 407 |
'disable_pingbacks' => true, |
| 408 |
'disable_trackbacks' => true, |
| 409 |
'require_comment_moderation' => true, |
| 410 |
'close_old_comments' => false, |
| 411 |
'close_comments_after_days' => 30, |
| 412 |
'honeypot_comments' => true, |
| 413 |
|
| 414 |
// Head cleaner |
| 415 |
'remove_wp_generator' => true, |
| 416 |
'remove_wp_version_assets' => false, |
| 417 |
'remove_rsd_link' => true, |
| 418 |
'remove_wlw_manifest' => true, |
| 419 |
'remove_shortlink' => true, |
| 420 |
'remove_rest_api_link' => false, |
| 421 |
|
| 422 |
// Feed manager |
| 423 |
'disable_feeds' => false, |
| 424 |
'disable_if_no_content' => true, |
| 425 |
'remove_feed_version' => true, |
| 426 |
), |
| 427 |
|
| 428 |
// File Integrity settings |
| 429 |
'file_integrity' => array( |
| 430 |
'enabled' => true, |
| 431 |
'scan_core' => true, |
| 432 |
'scan_plugins' => true, |
| 433 |
'scan_themes' => true, |
| 434 |
'scan_uploads' => true, |
| 435 |
'scan_critical_config' => true, |
| 436 |
'check_closed_plugins' => true, |
| 437 |
'auto_scan' => true, |
| 438 |
'scan_frequency' => 'daily', |
| 439 |
'notify_level' => 'suspicious_only', |
| 440 |
'instant_alert' => false, |
| 441 |
'excluded_paths' => array( |
| 442 |
'wp-content/cache', |
| 443 |
), |
| 444 |
'excluded_extensions' => array( |
| 445 |
// Translations (regenerated per-locale, never in checksums). |
| 446 |
'.po', '.mo', '.pot', |
| 447 |
// Binary images (cosmetic, not executable; often rewritten by image-optimizer plugins). |
| 448 |
'.jpg', '.jpeg', '.png', '.gif', '.ico', '.webp', '.avif', |
| 449 |
// Stylesheets: frequently rewritten by themes and optimizer |
| 450 |
// plugins, a common source of post-update false positives. |
| 451 |
// Strict-mode users can remove it (CSS injection is still a |
| 452 |
// vector, defended primarily by CSP in the headers module). |
| 453 |
'.css', |
| 454 |
), |
| 455 |
), |
| 456 |
|
| 457 |
// Activity Log settings |
| 458 |
'activity_log' => array( |
| 459 |
'retention_days' => 30, |
| 460 |
'max_entries' => 10000, |
| 461 |
'log_logins' => true, |
| 462 |
'log_failed_logins' => true, |
| 463 |
'log_user_changes' => true, |
| 464 |
'log_post_changes' => true, |
| 465 |
'log_plugin_changes' => true, |
| 466 |
'log_theme_changes' => true, |
| 467 |
'log_option_changes' => false, |
| 468 |
'log_file_changes' => true, |
| 469 |
'log_comments' => true, |
| 470 |
'log_media' => true, |
| 471 |
'excluded_users' => array(), |
| 472 |
'excluded_ips' => array(), |
| 473 |
'tracked_options' => array(), |
| 474 |
), |
| 475 |
|
| 476 |
// Backup settings |
| 477 |
'backup' => array( |
| 478 |
'keep_backups' => 5, |
| 479 |
), |
| 480 |
|
| 481 |
// Notification settings (centralized recipients for all admin emails) |
| 482 |
'email' => array( |
| 483 |
'send_to_admin_email' => true, |
| 484 |
'additional_recipients' => array(), |
| 485 |
'send_deactivation_email' => true, |
| 486 |
), |
| 487 |
|
| 488 |
// Advanced settings |
| 489 |
'advanced' => array( |
| 490 |
'remove_readme' => true, |
| 491 |
'remove_license' => true, |
| 492 |
), |
| 493 |
|
| 494 |
// Security Analyzer (v2.1.0) — on-demand + weekly Security Check |
| 495 |
'security_analyzer' => array( |
| 496 |
'weekly_scan_enabled' => true, |
| 497 |
'email_on_regression' => false, |
| 498 |
), |
| 499 |
|
| 500 |
// Audit Alerts (v2.8.0) — alerting layer on top of Security Audit. |
| 501 |
// The engine subscribes to logged events and only runs when the |
| 502 |
// Security Audit (activity_log) module is enabled. Opt-in: both |
| 503 |
// legs start OFF so it never duplicates the per-module emails that |
| 504 |
// already exist (User Security admin monitoring, Plugin Status...). |
| 505 |
'audit_alerts' => array( |
| 506 |
// Shared anti-repeat cooldown (minutes). After an alert, do not |
| 507 |
// send another about the same thing (same event type for |
| 508 |
// immediate, same category for threshold) until this passes. |
| 509 |
// Prevents a flood during a sustained attack. |
| 510 |
'cooldown_minutes' => 60, |
| 511 |
// #38 Immediate alerts: selected event types email right away. |
| 512 |
'immediate' => array( |
| 513 |
'enabled' => false, |
| 514 |
// Alert on any logged event at or above this severity. A new |
| 515 |
// admin, a closed plugin or a privilege escalation are all |
| 516 |
// logged as "critical", so "critical" already covers them. |
| 517 |
'min_severity' => 'critical', // 'critical' | 'warning' |
| 518 |
), |
| 519 |
// #10 Threshold alerts: N events of a category within a window. |
| 520 |
'threshold' => array( |
| 521 |
'enabled' => false, |
| 522 |
'window' => '1h', // 30m | 1h | 6h | 24h |
| 523 |
// Per-category trigger counts (warning/critical events only); |
| 524 |
// 0 disables that category. Covers every event type that can |
| 525 |
// log a warning or critical. Keep in sync with |
| 526 |
// Vigilante_Audit_Alerts::category_labels(). |
| 527 |
'categories' => array( |
| 528 |
'firewall' => 50, |
| 529 |
'login' => 20, |
| 530 |
'user' => 5, |
| 531 |
'plugin' => 0, |
| 532 |
'file' => 0, |
| 533 |
'security' => 0, |
| 534 |
'system' => 0, |
| 535 |
'settings' => 0, |
| 536 |
'theme' => 0, |
| 537 |
'content' => 0, |
| 538 |
'comment' => 0, |
| 539 |
'media' => 0, |
| 540 |
), |
| 541 |
), |
| 542 |
), |
| 543 |
); |
| 544 |
} |
| 545 |
|
| 546 |
/** |
| 547 |
* Get all options (merged with defaults) |
| 548 |
* |
| 549 |
* @return array All options |
| 550 |
*/ |
| 551 |
public function get_all_options() { |
| 552 |
if ( null === $this->options ) { |
| 553 |
$saved = get_option( self::OPTION_NAME, array() ); |
| 554 |
$this->options = $this->array_merge_deep( $this->get_default_options(), $saved ); |
| 555 |
} |
| 556 |
return $this->options; |
| 557 |
} |
| 558 |
|
| 559 |
/** |
| 560 |
* Deep merge arrays |
| 561 |
* |
| 562 |
* @param array $defaults Default values. |
| 563 |
* @param array $saved Saved values. |
| 564 |
* @return array Merged array. |
| 565 |
*/ |
| 566 |
private function array_merge_deep( $defaults, $saved ) { |
| 567 |
$result = $defaults; |
| 568 |
|
| 569 |
foreach ( $saved as $key => $value ) { |
| 570 |
if ( is_array( $value ) && isset( $result[ $key ] ) && is_array( $result[ $key ] ) ) { |
| 571 |
$result[ $key ] = $this->array_merge_deep( $result[ $key ], $value ); |
| 572 |
} else { |
| 573 |
$result[ $key ] = $value; |
| 574 |
} |
| 575 |
} |
| 576 |
|
| 577 |
return $result; |
| 578 |
} |
| 579 |
|
| 580 |
/** |
| 581 |
* Get a specific section |
| 582 |
* |
| 583 |
* @param string $section Section name. |
| 584 |
* @return array Section options. |
| 585 |
*/ |
| 586 |
public function get_section( $section ) { |
| 587 |
$options = $this->get_all_options(); |
| 588 |
return isset( $options[ $section ] ) ? $options[ $section ] : array(); |
| 589 |
} |
| 590 |
|
| 591 |
/** |
| 592 |
* Get a specific option |
| 593 |
* |
| 594 |
* @param string $section Section name. |
| 595 |
* @param string $key Option key. |
| 596 |
* @param mixed $default Default value. |
| 597 |
* @return mixed Option value. |
| 598 |
*/ |
| 599 |
public function get_option( $section, $key, $default = null ) { |
| 600 |
$options = $this->get_all_options(); |
| 601 |
|
| 602 |
if ( isset( $options[ $section ][ $key ] ) ) { |
| 603 |
return $options[ $section ][ $key ]; |
| 604 |
} |
| 605 |
|
| 606 |
return $default; |
| 607 |
} |
| 608 |
|
| 609 |
/** |
| 610 |
* Check if a module is enabled |
| 611 |
* |
| 612 |
* @param string $module Module name. |
| 613 |
* @return bool Whether module is enabled. |
| 614 |
*/ |
| 615 |
public function is_module_enabled( $module ) { |
| 616 |
$options = $this->get_all_options(); |
| 617 |
return ! empty( $options['modules'][ $module ] ); |
| 618 |
} |
| 619 |
|
| 620 |
/** |
| 621 |
* Save options |
| 622 |
* |
| 623 |
* @param array $options Options to save. |
| 624 |
* @return bool Success status. |
| 625 |
*/ |
| 626 |
public function save_options( $options ) { |
| 627 |
$this->options = null; |
| 628 |
return update_option( self::OPTION_NAME, $options ); |
| 629 |
} |
| 630 |
|
| 631 |
/** |
| 632 |
* Update a section |
| 633 |
* |
| 634 |
* @param string $section Section name. |
| 635 |
* @param array $data Section data. |
| 636 |
* @return bool Success status. |
| 637 |
*/ |
| 638 |
public function update_section( $section, $data ) { |
| 639 |
$options = get_option( self::OPTION_NAME, array() ); |
| 640 |
$options[ $section ] = $data; |
| 641 |
$this->options = null; |
| 642 |
return update_option( self::OPTION_NAME, $options ); |
| 643 |
} |
| 644 |
|
| 645 |
/** |
| 646 |
* Update multiple sections at once |
| 647 |
* |
| 648 |
* @param array $sections Associative array of section => data. |
| 649 |
* @return bool Success status. |
| 650 |
*/ |
| 651 |
public function update_options( $sections ) { |
| 652 |
$options = get_option( self::OPTION_NAME, array() ); |
| 653 |
|
| 654 |
foreach ( $sections as $section => $data ) { |
| 655 |
$options[ $section ] = $data; |
| 656 |
} |
| 657 |
|
| 658 |
$this->options = null; |
| 659 |
return update_option( self::OPTION_NAME, $options ); |
| 660 |
} |
| 661 |
|
| 662 |
/** |
| 663 |
* Clear the options cache |
| 664 |
*/ |
| 665 |
public function clear_cache() { |
| 666 |
$this->options = null; |
| 667 |
wp_cache_delete( self::OPTION_NAME, 'options' ); |
| 668 |
} |
| 669 |
|
| 670 |
/** |
| 671 |
* Whether this context is allowed to write the files a network shares |
| 672 |
* |
| 673 |
* wp-config.php and the root .htaccess are single files for the whole |
| 674 |
* network, while Vigilant's settings are per site. Without a gate, every |
| 675 |
* save, activation and deactivation from any site rewrites those files from |
| 676 |
* that site's own options, so the last one to save wins and silently undoes |
| 677 |
* the rest. Measured on a real network: the main site enables "disable file |
| 678 |
* editing", a subsite admin presses Save on their own screen without |
| 679 |
* touching it, and the constant disappears from wp-config.php while the main |
| 680 |
* site's screen keeps showing the box ticked. |
| 681 |
* |
| 682 |
* So on a network only the main site decides, and only a network |
| 683 |
* administrator. WP-CLI on the main site counts too: there is no user to ask |
| 684 |
* there, but the site is the right one, and a network admin running |
| 685 |
* `wp plugin activate --network` expects the files to be written. |
| 686 |
* |
| 687 |
* On a single site this is always true and nothing changes. |
| 688 |
* |
| 689 |
* @since 2.9.8 |
| 690 |
* |
| 691 |
* @return bool |
| 692 |
*/ |
| 693 |
/** |
| 694 |
* Whether this site is the one that owns the files a network shares. |
| 695 |
* |
| 696 |
* Pure site identity, with no capability in it, and that is the point. A |
| 697 |
* refresh that Vigilant performs by itself, such as rewriting its own |
| 698 |
* .htaccess block after an update, decides nothing: the content comes from |
| 699 |
* this site's own options whoever happens to be visiting. What must not |
| 700 |
* happen is a *different* site writing the shared file, and that is exactly |
| 701 |
* what this answers. |
| 702 |
* |
| 703 |
* can_write_shared_files() below adds the capability on top, and is the |
| 704 |
* right question for anything a person initiates from a settings screen. |
| 705 |
* |
| 706 |
* @since 2.10.1 |
| 707 |
* @return bool |
| 708 |
*/ |
| 709 |
public static function owns_shared_files() { |
| 710 |
// One wp-config.php and one root .htaccess per installation, even with |
| 711 |
// several networks in it: is_main_site() alone is true on the main site |
| 712 |
// of every network. Since 2.11.8, found by the audit of the network. |
| 713 |
return ! is_multisite() || ( is_main_site() && is_main_network() ); |
| 714 |
} |
| 715 |
|
| 716 |
public static function can_write_shared_files() { |
| 717 |
if ( ! is_multisite() ) { |
| 718 |
return true; |
| 719 |
} |
| 720 |
|
| 721 |
// See owns_shared_files(): the main site of a secondary network, and |
| 722 |
// its network administrator, do not own the installation's files. |
| 723 |
if ( ! is_main_site() || ! is_main_network() ) { |
| 724 |
return false; |
| 725 |
} |
| 726 |
|
| 727 |
// WP-CLI with nobody logged in: there is no user to ask, and the site is |
| 728 |
// the right one, so a network admin running `wp plugin activate --network` |
| 729 |
// gets the files written. With a user set (wp --user=...) the capability |
| 730 |
// is checked like anywhere else, so the gate cannot be side-stepped by |
| 731 |
// running as a subsite administrator. |
| 732 |
if ( defined( 'WP_CLI' ) && WP_CLI && ! get_current_user_id() ) { |
| 733 |
return true; |
| 734 |
} |
| 735 |
|
| 736 |
return current_user_can( 'manage_network_options' ); |
| 737 |
} |
| 738 |
|
| 739 |
/** |
| 740 |
* The one message shown wherever a shared-file setting is out of reach |
| 741 |
* |
| 742 |
* Deliberately a single string reused by every section, instead of one per |
| 743 |
* section: it says the same thing everywhere and there is no reason to make |
| 744 |
* translators write it four times. |
| 745 |
* |
| 746 |
* @since 2.9.8 |
| 747 |
* |
| 748 |
* @return string |
| 749 |
*/ |
| 750 |
public static function get_shared_files_notice() { |
| 751 |
return __( 'These settings are written to wp-config.php and .htaccess, files the whole network shares. So that one site cannot overwrite another, they are managed from the main site of the network by a network administrator.', 'vigilante' ); |
| 752 |
} |
| 753 |
|
| 754 |
/** |
| 755 |
* Apply the tweaks a brand new installation gets on top of the raw defaults |
| 756 |
* |
| 757 |
* A few keys are deliberately missing from get_default_options() because |
| 758 |
* declaring them would break something else. XML-RPC is the one case today: |
| 759 |
* declaring wp_hardening.xmlrpc_mode would make the defaults merge fill it in |
| 760 |
* always and hide the fallback that reads the old pair of settings on sites |
| 761 |
* that have not re-saved the tab. With nothing stored the resolver answers |
| 762 |
* 'full', which blocks XML-RPC completely, and that is not what we want a new |
| 763 |
* site to get. |
| 764 |
* |
| 765 |
* Everything that seeds a clean configuration has to run this: the activation |
| 766 |
* hook, the per-section reset and the global reset to defaults. Otherwise the |
| 767 |
* defaults you get by pressing a button are not the defaults you get by |
| 768 |
* installing the plugin, which is exactly what happened until 2.9.8. |
| 769 |
* |
| 770 |
* @since 2.9.8 |
| 771 |
* |
| 772 |
* @param array $options Options array to adjust. |
| 773 |
* @return array |
| 774 |
*/ |
| 775 |
public static function apply_install_tweaks( $options ) { |
| 776 |
if ( ! isset( $options['wp_hardening'] ) || ! is_array( $options['wp_hardening'] ) ) { |
| 777 |
$options['wp_hardening'] = array(); |
| 778 |
} |
| 779 |
|
| 780 |
$options['wp_hardening']['xmlrpc_mode'] = 'pingback'; |
| 781 |
|
| 782 |
return $options; |
| 783 |
} |
| 784 |
|
| 785 |
/** |
| 786 |
* Keys that hold what the site owner typed in, never wiped by a restore |
| 787 |
* |
| 788 |
* Putting the security posture back to its defaults is one thing; deleting |
| 789 |
* an IP whitelist, the secret login address, the two factor setup or the |
| 790 |
* addresses that receive the alerts is another, and nobody presses a button |
| 791 |
* called "restore defaults" expecting that. Both the Standard preset and the |
| 792 |
* two reset buttons leave these alone. |
| 793 |
* |
| 794 |
* @since 2.9.8 |
| 795 |
* |
| 796 |
* @return array<string,string[]> |
| 797 |
*/ |
| 798 |
public static function get_user_data_keys() { |
| 799 |
return array( |
| 800 |
'firewall' => array( 'ip_whitelist', 'ip_blacklist', 'ua_whitelist', 'ua_blacklist', 'trusted_proxy_header', 'trusted_proxies' ), |
| 801 |
'login_security' => array( 'ip_whitelist', 'custom_login_url', 'two_factor' ), |
| 802 |
'user_security' => array( 'insecure_usernames' ), |
| 803 |
'file_integrity' => array( 'excluded_paths', 'excluded_extensions' ), |
| 804 |
'email' => array( 'additional_recipients' ), |
| 805 |
); |
| 806 |
} |
| 807 |
|
| 808 |
/** |
| 809 |
* Settings whose only effect is written to a file the network shares |
| 810 |
* |
| 811 |
* true for a whole section, or the list of keys inside it. Used to keep a |
| 812 |
* subsite from resetting settings it does not control: the file is written |
| 813 |
* from the main site, so resetting the local copy would only make the two |
| 814 |
* disagree. |
| 815 |
* |
| 816 |
* Note this is not every setting that reaches .htaccess. Blocking bad bots |
| 817 |
* or empty user agents also runs in PHP, per site, so those stay editable on |
| 818 |
* a subsite: the PHP half protects that site and the .htaccess half is |
| 819 |
* refused, leaving the main site's rules standing. On the main site they |
| 820 |
* are locked too, see get_main_site_file_settings(). |
| 821 |
* |
| 822 |
* The PHP blocks for plugins and themes have no field on the settings |
| 823 |
* screen, but an imported file carries them, and readme.html and |
| 824 |
* license.txt are removed from the root the whole network shares. |
| 825 |
* |
| 826 |
* @since 2.9.8 |
| 827 |
* |
| 828 |
* @return array<string,true|string[]> |
| 829 |
*/ |
| 830 |
public static function get_shared_file_settings() { |
| 831 |
return array( |
| 832 |
'security_headers' => true, |
| 833 |
'wp_hardening' => array( 'disallow_file_edit', 'disallow_file_mods', 'force_ssl_admin', 'force_ssl_login', 'wp_debug', 'disable_wp_cron' ), |
| 834 |
'firewall' => array( 'disable_directory_browsing', 'protect_wp_config', 'protect_wp_includes', 'protect_uploads_php', 'protect_sensitive_files', 'protect_wp_cron', 'limit_http_methods', 'block_php_in_plugins', 'block_php_in_themes' ), |
| 835 |
'advanced' => array( 'remove_readme', 'remove_license' ), |
| 836 |
); |
| 837 |
} |
| 838 |
|
| 839 |
/** |
| 840 |
* Settings the shared files are built from that also act on the site storing them |
| 841 |
* |
| 842 |
* get_shared_file_settings() lists what does nothing but end up in a shared |
| 843 |
* file. These do both: blocking bad bots and bad query strings, the visitor |
| 844 |
* IP detection and the two whitelists run in PHP for the site that stores |
| 845 |
* them, and on the main site of a network they are also what the .htaccess |
| 846 |
* rules of every site are generated from; the three writing module switches |
| 847 |
* (firewall, security_headers, wp_hardening) decide whether the .htaccess |
| 848 |
* blocks and the wp-config.php constants exist at all. |
| 849 |
* |
| 850 |
* Since 2.11.8 it also locks what decides whether the shared files are |
| 851 |
* WATCHED, not built: the File Integrity module and its scan_critical_config |
| 852 |
* switch. On the main site the critical-file scan is the network's canary |
| 853 |
* for a change to wp-config.php or the root .htaccess, which only a network |
| 854 |
* administrator can approve, so a main-site administrator without network |
| 855 |
* rights must not be able to silence it by turning either one off. Closing |
| 856 |
* the ignore list and the clear-results button in 2.11.8 left these two as |
| 857 |
* the remaining routes; found by the audit of the admin surface. |
| 858 |
* |
| 859 |
* On a subsite all of them only act on that site, so they stay editable |
| 860 |
* there (get_locked_file_settings() adds this set only when owns_shared_files()). |
| 861 |
* |
| 862 |
* Until 2.11.6 an administrator of the main site without network rights |
| 863 |
* could change any of them, and the file-only ones too: the write to the |
| 864 |
* file was refused at that moment, but the value stayed stored, and the |
| 865 |
* refresh after the next update, or the next save by a network |
| 866 |
* administrator, published it to the whole network. |
| 867 |
* |
| 868 |
* @since 2.11.6 |
| 869 |
* @since 2.11.8 The file_integrity module and scan_critical_config. |
| 870 |
* |
| 871 |
* @return array<string,string[]> |
| 872 |
*/ |
| 873 |
public static function get_main_site_file_settings() { |
| 874 |
return array( |
| 875 |
'modules' => array( 'firewall', 'security_headers', 'wp_hardening', 'file_integrity' ), |
| 876 |
'firewall' => array( 'block_bad_bots', 'block_bad_query_strings', 'trusted_proxy_header', 'ip_whitelist', 'ua_whitelist' ), |
| 877 |
'file_integrity' => array( 'scan_critical_config' ), |
| 878 |
); |
| 879 |
} |
| 880 |
|
| 881 |
/** |
| 882 |
* Shared file settings the current user may not change on this site |
| 883 |
* |
| 884 |
* Empty when the user can write the shared files. Otherwise the file-only |
| 885 |
* settings on every site, plus, on the main site, the ones it also builds |
| 886 |
* the shared files from. |
| 887 |
* |
| 888 |
* @since 2.11.6 |
| 889 |
* |
| 890 |
* @return array<string,true|string[]> |
| 891 |
*/ |
| 892 |
public static function get_locked_file_settings() { |
| 893 |
if ( self::can_write_shared_files() ) { |
| 894 |
return array(); |
| 895 |
} |
| 896 |
|
| 897 |
$locked = self::get_shared_file_settings(); |
| 898 |
|
| 899 |
if ( self::owns_shared_files() ) { |
| 900 |
foreach ( self::get_main_site_file_settings() as $section => $keys ) { |
| 901 |
if ( ! isset( $locked[ $section ] ) ) { |
| 902 |
$locked[ $section ] = $keys; |
| 903 |
} elseif ( is_array( $locked[ $section ] ) ) { |
| 904 |
$locked[ $section ] = array_values( array_unique( array_merge( $locked[ $section ], $keys ) ) ); |
| 905 |
} |
| 906 |
} |
| 907 |
} |
| 908 |
|
| 909 |
return $locked; |
| 910 |
} |
| 911 |
|
| 912 |
/** |
| 913 |
* Put back the stored value of every shared file setting the user may not change |
| 914 |
* |
| 915 |
* For every writer of the whole configuration: saving a tab, importing a |
| 916 |
* file, applying a preset, restoring the defaults. Hiding a field on the |
| 917 |
* screen decides nothing, because the request can carry the key anyway. A |
| 918 |
* key that was not stored is dropped, so its default keeps applying. |
| 919 |
* |
| 920 |
* @since 2.11.6 |
| 921 |
* |
| 922 |
* @param array $options Configuration about to be stored. |
| 923 |
* @param array $stored Configuration stored now, as read from the option. |
| 924 |
* @return array |
| 925 |
*/ |
| 926 |
public static function keep_locked_file_settings( $options, $stored ) { |
| 927 |
$options = is_array( $options ) ? $options : array(); |
| 928 |
$stored = is_array( $stored ) ? $stored : array(); |
| 929 |
$locked = self::get_locked_file_settings(); |
| 930 |
|
| 931 |
if ( ! $locked ) { |
| 932 |
return $options; |
| 933 |
} |
| 934 |
|
| 935 |
/* |
| 936 |
* A key that was never stored takes its default, which is what it was |
| 937 |
* worth before. Until 2.11.8 it was dropped instead, and the sanitize |
| 938 |
* callback of the option filled it in again, but validate_options() |
| 939 |
* fills a missing module switch with false, not with its default. |
| 940 |
*/ |
| 941 |
$instance = new self(); |
| 942 |
$defaults = $instance->get_default_options(); |
| 943 |
|
| 944 |
foreach ( $locked as $section => $keys ) { |
| 945 |
if ( true === $keys ) { |
| 946 |
if ( array_key_exists( $section, $stored ) ) { |
| 947 |
$options[ $section ] = $stored[ $section ]; |
| 948 |
} elseif ( isset( $defaults[ $section ] ) ) { |
| 949 |
$options[ $section ] = $defaults[ $section ]; |
| 950 |
} else { |
| 951 |
unset( $options[ $section ] ); |
| 952 |
} |
| 953 |
continue; |
| 954 |
} |
| 955 |
|
| 956 |
$stored_section = ( isset( $stored[ $section ] ) && is_array( $stored[ $section ] ) ) ? $stored[ $section ] : array(); |
| 957 |
$default_section = ( isset( $defaults[ $section ] ) && is_array( $defaults[ $section ] ) ) ? $defaults[ $section ] : array(); |
| 958 |
|
| 959 |
foreach ( $keys as $key ) { |
| 960 |
if ( array_key_exists( $key, $stored_section ) ) { |
| 961 |
$value = $stored_section[ $key ]; |
| 962 |
} elseif ( array_key_exists( $key, $default_section ) ) { |
| 963 |
$value = $default_section[ $key ]; |
| 964 |
} else { |
| 965 |
if ( isset( $options[ $section ] ) && is_array( $options[ $section ] ) ) { |
| 966 |
unset( $options[ $section ][ $key ] ); |
| 967 |
} |
| 968 |
continue; |
| 969 |
} |
| 970 |
|
| 971 |
if ( ! isset( $options[ $section ] ) || ! is_array( $options[ $section ] ) ) { |
| 972 |
$options[ $section ] = array(); |
| 973 |
} |
| 974 |
$options[ $section ][ $key ] = $value; |
| 975 |
} |
| 976 |
} |
| 977 |
|
| 978 |
return $options; |
| 979 |
} |
| 980 |
|
| 981 |
/** |
| 982 |
* Take a lock kept as a row of the options table, or report that another request holds it |
| 983 |
* |
| 984 |
* add_option() cannot be a lock: it runs INSERT ... ON DUPLICATE KEY UPDATE |
| 985 |
* (wp-includes/option.php:1142 in WP 7.1), so two requests that both find |
| 986 |
* the option missing both "create" it and both believe they hold it. INSERT |
| 987 |
* IGNORE creates the row for exactly one of them, which is what core does in |
| 988 |
* WP_Upgrader::create_lock() (wp-admin/includes/class-wp-upgrader.php:1065). |
| 989 |
* A lock older than the timeout counts as abandoned, by a fatal error between |
| 990 |
* taking and releasing it, and only one request takes it over. |
| 991 |
* |
| 992 |
* @since 2.11.8 |
| 993 |
* |
| 994 |
* @param string $name Option name of the lock, in the current site's table. |
| 995 |
* @param int $timeout Seconds after which a held lock counts as abandoned. |
| 996 |
* @return bool True if this request now holds the lock. |
| 997 |
*/ |
| 998 |
public static function acquire_option_lock( $name, $timeout ) { |
| 999 |
global $wpdb; |
| 1000 |
|
| 1001 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- an atomic lock needs INSERT IGNORE, which the options API does not offer; same query as WP_Upgrader::create_lock(). |
| 1002 |
if ( $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO {$wpdb->options} ( option_name, option_value, autoload ) VALUES ( %s, %s, 'no' )", $name, (string) time() ) ) ) { |
| 1003 |
wp_cache_delete( $name, 'options' ); |
| 1004 |
return true; |
| 1005 |
} |
| 1006 |
|
| 1007 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- the lock row as stored right now, not a cached copy. |
| 1008 |
$held = $wpdb->get_var( $wpdb->prepare( "SELECT option_value FROM {$wpdb->options} WHERE option_name = %s", $name ) ); |
| 1009 |
|
| 1010 |
if ( null === $held || ( time() - (int) $held ) < $timeout ) { |
| 1011 |
return false; |
| 1012 |
} |
| 1013 |
|
| 1014 |
// Abandoned: the delete only matches the value that was read, and only one |
| 1015 |
// request wins the insert that follows. |
| 1016 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- removes an abandoned lock row. |
| 1017 |
$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name = %s AND option_value = %s", $name, $held ) ); |
| 1018 |
|
| 1019 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- same atomic insert as above. |
| 1020 |
return (bool) $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO {$wpdb->options} ( option_name, option_value, autoload ) VALUES ( %s, %s, 'no' )", $name, (string) time() ) ); |
| 1021 |
} |
| 1022 |
|
| 1023 |
/** |
| 1024 |
* Release a lock taken with acquire_option_lock() |
| 1025 |
* |
| 1026 |
* @since 2.11.8 |
| 1027 |
* |
| 1028 |
* @param string $name Option name of the lock. |
| 1029 |
*/ |
| 1030 |
public static function release_option_lock( $name ) { |
| 1031 |
global $wpdb; |
| 1032 |
|
| 1033 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- removes the row acquire_option_lock() inserted. |
| 1034 |
$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name = %s", $name ) ); |
| 1035 |
wp_cache_delete( $name, 'options' ); |
| 1036 |
} |
| 1037 |
|
| 1038 |
/** |
| 1039 |
* Put a configuration back to the defaults without deleting what the owner typed |
| 1040 |
* |
| 1041 |
* @since 2.9.8 |
| 1042 |
* |
| 1043 |
* @param array $current Configuration being replaced. |
| 1044 |
* @return array |
| 1045 |
*/ |
| 1046 |
public static function get_defaults_preserving_user_data( $current ) { |
| 1047 |
$instance = new self(); |
| 1048 |
$defaults = self::apply_install_tweaks( $instance->get_default_options() ); |
| 1049 |
|
| 1050 |
foreach ( self::get_user_data_keys() as $section => $keys ) { |
| 1051 |
foreach ( $keys as $key ) { |
| 1052 |
if ( isset( $current[ $section ] ) && array_key_exists( $key, (array) $current[ $section ] ) ) { |
| 1053 |
$defaults[ $section ][ $key ] = $current[ $section ][ $key ]; |
| 1054 |
} |
| 1055 |
} |
| 1056 |
} |
| 1057 |
|
| 1058 |
return $defaults; |
| 1059 |
} |
| 1060 |
|
| 1061 |
/** |
| 1062 |
* The values the Standard preset applies |
| 1063 |
* |
| 1064 |
* Standard is the configuration a new installation gets, with every module |
| 1065 |
* on. It is built from the defaults rather than written out by hand, because |
| 1066 |
* a hand-written copy drifts: until 2.9.8 Standard named a dozen fields and |
| 1067 |
* left everything else alone, so applying it after Maximum kept Maximum's |
| 1068 |
* password rules, its administrator alerts, its session limits and its |
| 1069 |
* password expiry, and the preset that says it applies sensible defaults |
| 1070 |
* applied almost none of them. |
| 1071 |
* |
| 1072 |
* The only thing it does not touch is what the site owner typed in: IP and |
| 1073 |
* user agent lists, the custom login address, two factor configuration, the |
| 1074 |
* integrity scan exclusions and the extra notification recipients. Putting |
| 1075 |
* the security posture back to the defaults is one thing, throwing away |
| 1076 |
* someone's whitelist is another, and "Reset to Defaults" is right there for |
| 1077 |
* that. |
| 1078 |
* |
| 1079 |
* @since 2.9.8 |
| 1080 |
* |
| 1081 |
* @return array |
| 1082 |
*/ |
| 1083 |
private function get_standard_preset_values() { |
| 1084 |
$values = self::apply_install_tweaks( $this->get_default_options() ); |
| 1085 |
|
| 1086 |
foreach ( array_keys( $values['modules'] ) as $module ) { |
| 1087 |
$values['modules'][ $module ] = true; |
| 1088 |
} |
| 1089 |
|
| 1090 |
foreach ( self::get_user_data_keys() as $section => $keys ) { |
| 1091 |
foreach ( $keys as $key ) { |
| 1092 |
unset( $values[ $section ][ $key ] ); |
| 1093 |
} |
| 1094 |
} |
| 1095 |
|
| 1096 |
unset( $values['user_security']['password_expiration']['excluded_users'] ); |
| 1097 |
|
| 1098 |
return $values; |
| 1099 |
} |
| 1100 |
|
| 1101 |
/** |
| 1102 |
* Merge a preset over a configuration |
| 1103 |
* |
| 1104 |
* Not array_replace_recursive(), which is wrong for this in two ways. A list |
| 1105 |
* of roles in the preset is merged position by position instead of replacing |
| 1106 |
* the stored one, so applying Standard over Maximum turned the two roles |
| 1107 |
* Standard expires passwords for into Maximum's five with the first two |
| 1108 |
* overwritten. And an empty list in the preset clears nothing at all, |
| 1109 |
* because there is no element to replace with. |
| 1110 |
* |
| 1111 |
* So: associative arrays are merged key by key, and lists and scalars are |
| 1112 |
* replaced outright. |
| 1113 |
* |
| 1114 |
* @since 2.9.8 |
| 1115 |
* |
| 1116 |
* @param array $base Current configuration. |
| 1117 |
* @param array $overlay Preset values. |
| 1118 |
* @return array |
| 1119 |
*/ |
| 1120 |
public static function merge_preset( $base, $overlay ) { |
| 1121 |
foreach ( $overlay as $key => $value ) { |
| 1122 |
if ( is_array( $value ) && isset( $base[ $key ] ) && is_array( $base[ $key ] ) && ! self::is_list( $value ) ) { |
| 1123 |
$base[ $key ] = self::merge_preset( $base[ $key ], $value ); |
| 1124 |
continue; |
| 1125 |
} |
| 1126 |
|
| 1127 |
$base[ $key ] = $value; |
| 1128 |
} |
| 1129 |
|
| 1130 |
return $base; |
| 1131 |
} |
| 1132 |
|
| 1133 |
/** |
| 1134 |
* Whether an array is a plain list (0..n-1 keys) |
| 1135 |
* |
| 1136 |
* array_is_list() is PHP 8.1 and this plugin supports 7.4. |
| 1137 |
* |
| 1138 |
* @since 2.9.8 |
| 1139 |
* |
| 1140 |
* @param array $value Array to inspect. |
| 1141 |
* @return bool |
| 1142 |
*/ |
| 1143 |
private static function is_list( $value ) { |
| 1144 |
if ( array() === $value ) { |
| 1145 |
return true; |
| 1146 |
} |
| 1147 |
|
| 1148 |
return array_keys( $value ) === range( 0, count( $value ) - 1 ); |
| 1149 |
} |
| 1150 |
|
| 1151 |
/** |
| 1152 |
* Get presets with descriptions |
| 1153 |
* |
| 1154 |
* @return array Presets configuration. |
| 1155 |
*/ |
| 1156 |
public function get_presets() { |
| 1157 |
return array( |
| 1158 |
'standard' => array_merge( |
| 1159 |
array( |
| 1160 |
'name' => __( 'Standard', 'vigilante' ), |
| 1161 |
'description' => __( 'Balanced security suitable for most websites. Enables every module and puts every setting back to the value a new installation gets.', 'vigilante' ), |
| 1162 |
), |
| 1163 |
$this->get_standard_preset_values() |
| 1164 |
), |
| 1165 |
|
| 1166 |
'maximum' => array( |
| 1167 |
'name' => __( 'Maximum Security', 'vigilante' ), |
| 1168 |
'description' => __( 'Strictest settings for high-security sites. CSP is set to report-only mode to prevent breaking the admin interface.', 'vigilante' ), |
| 1169 |
'modules' => array( |
| 1170 |
'firewall' => true, |
| 1171 |
'security_headers' => true, |
| 1172 |
'login_security' => true, |
| 1173 |
'rest_api_security'=> true, |
| 1174 |
'user_security' => true, |
| 1175 |
'wp_hardening' => true, |
| 1176 |
'file_integrity' => true, |
| 1177 |
'activity_log' => true, |
| 1178 |
), |
| 1179 |
'firewall' => array( |
| 1180 |
'block_bad_query_strings' => true, |
| 1181 |
'block_sql_injection' => true, |
| 1182 |
'block_xss_attacks' => true, |
| 1183 |
'block_file_inclusion' => true, |
| 1184 |
'block_directory_traversal' => true, |
| 1185 |
'block_bad_bots' => true, |
| 1186 |
'block_empty_user_agent' => true, |
| 1187 |
'rate_limiting' => array( |
| 1188 |
'enabled' => true, |
| 1189 |
'requests_per_minute' => 60, |
| 1190 |
'block_duration' => 600, |
| 1191 |
'progressive' => true, |
| 1192 |
'max_block_duration' => 86400, |
| 1193 |
), |
| 1194 |
), |
| 1195 |
'security_headers' => array( |
| 1196 |
'x_frame_options' => 'DENY', |
| 1197 |
// HSTS is intentionally NOT enabled by Maximum: forcing HSTS on a site |
| 1198 |
// that doesn't have a healthy HTTPS setup (or temporarily falls back to |
| 1199 |
// HTTP) locks visitors out for the full max_age. Leaving HSTS off keeps |
| 1200 |
// it as an explicit opt-in decision per site. |
| 1201 |
'csp' => array( |
| 1202 |
'enabled' => true, |
| 1203 |
'report_only' => false, |
| 1204 |
'directives' => array( |
| 1205 |
'default-src' => "'self'", |
| 1206 |
'script-src' => "'self' 'unsafe-inline' 'unsafe-eval'", |
| 1207 |
'style-src' => "'self' 'unsafe-inline'", |
| 1208 |
'img-src' => "'self' data: https: blob:", |
| 1209 |
'font-src' => "'self' data:", |
| 1210 |
'connect-src' => "'self' https: blob:", |
| 1211 |
'frame-src' => "'self' blob:", |
| 1212 |
'frame-ancestors' => "'none'", |
| 1213 |
'worker-src' => "'self' blob:", |
| 1214 |
'object-src' => "'none'", |
| 1215 |
'base-uri' => "'self'", |
| 1216 |
), |
| 1217 |
), |
| 1218 |
), |
| 1219 |
'rest_api_security' => array( |
| 1220 |
'mode' => 'authenticated_only', |
| 1221 |
), |
| 1222 |
'login_security' => array( |
| 1223 |
'max_attempts' => 3, |
| 1224 |
'lockout_duration' => 3600, |
| 1225 |
'lockout_increment' => true, |
| 1226 |
'notify_on_lockout' => true, |
| 1227 |
'notify_on_admin_login' => true, |
| 1228 |
), |
| 1229 |
'wp_hardening' => array( |
| 1230 |
'xmlrpc_mode' => 'full', |
| 1231 |
'disallow_file_edit' => true, |
| 1232 |
'disallow_file_mods' => true, |
| 1233 |
// close_old_comments is intentionally NOT touched by Maximum: |
| 1234 |
// it would unilaterally close discussion on every old post, |
| 1235 |
// which is a content decision, not a security one. |
| 1236 |
), |
| 1237 |
'user_security' => array( |
| 1238 |
'prevent_display_name_login_match' => true, |
| 1239 |
'min_password_length' => 16, |
| 1240 |
'password_policy' => array( |
| 1241 |
'require_uppercase' => true, |
| 1242 |
'require_lowercase' => true, |
| 1243 |
'require_number' => true, |
| 1244 |
'require_special' => true, |
| 1245 |
'block_common' => true, |
| 1246 |
'block_username' => true, |
| 1247 |
'affected_roles' => array(), |
| 1248 |
), |
| 1249 |
'admin_monitoring' => array( |
| 1250 |
'alert_new_admin' => true, |
| 1251 |
'alert_admin_email_change' => true, |
| 1252 |
'alert_permission_elevation' => true, |
| 1253 |
'alert_admin_password_change' => true, |
| 1254 |
), |
| 1255 |
'registration_approval' => array( |
| 1256 |
'enabled' => true, |
| 1257 |
'notify_admin' => true, |
| 1258 |
'auto_reject_days' => 7, |
| 1259 |
'affected_roles' => array( 'subscriber', 'contributor', 'author', 'editor' ), |
| 1260 |
), |
| 1261 |
'session_limits' => array( |
| 1262 |
'enabled' => true, |
| 1263 |
'max_sessions' => 1, |
| 1264 |
'behavior' => 'close_oldest', |
| 1265 |
'exclude_admins' => false, |
| 1266 |
), |
| 1267 |
'password_expiration' => array( |
| 1268 |
'enabled' => true, |
| 1269 |
'expire_days' => 30, |
| 1270 |
'warning_days' => 7, |
| 1271 |
'affected_roles' => array( 'administrator', 'editor', 'author', 'contributor', 'subscriber' ), |
| 1272 |
'password_history' => 5, |
| 1273 |
'send_reminder' => true, |
| 1274 |
), |
| 1275 |
'email_verification' => array( |
| 1276 |
'enabled' => true, |
| 1277 |
'token_expiry_hours' => 24, |
| 1278 |
'allow_resend' => true, |
| 1279 |
'auto_delete_days' => 3, |
| 1280 |
), |
| 1281 |
), |
| 1282 |
'file_integrity' => array( |
| 1283 |
'scan_core' => true, |
| 1284 |
'scan_plugins' => true, |
| 1285 |
'scan_themes' => true, |
| 1286 |
'scan_uploads' => true, |
| 1287 |
'scan_critical_config' => true, |
| 1288 |
'auto_scan' => true, |
| 1289 |
'scan_frequency' => 'daily', |
| 1290 |
'notify_level' => 'all', |
| 1291 |
'instant_alert' => true, |
| 1292 |
), |
| 1293 |
// A configuration called Maximum Security that never tells you |
| 1294 |
// anything happened is half a product, so the audit alerts ship |
| 1295 |
// on with it. The shared cooldown keeps a sustained attack from |
| 1296 |
// turning into a flood. Under Attack mode builds on this preset, |
| 1297 |
// so it inherits them for as long as it is on and gives them back |
| 1298 |
// when it is switched off. |
| 1299 |
'audit_alerts' => array( |
| 1300 |
'immediate' => array( |
| 1301 |
'enabled' => true, |
| 1302 |
'min_severity' => 'critical', |
| 1303 |
), |
| 1304 |
'threshold' => array( |
| 1305 |
'enabled' => true, |
| 1306 |
), |
| 1307 |
), |
| 1308 |
'activity_log' => array( |
| 1309 |
'log_logins' => true, |
| 1310 |
'log_failed_logins' => true, |
| 1311 |
'log_user_changes' => true, |
| 1312 |
'log_post_changes' => true, |
| 1313 |
'log_plugin_changes' => true, |
| 1314 |
'log_theme_changes' => true, |
| 1315 |
'log_option_changes' => true, |
| 1316 |
'log_file_changes' => true, |
| 1317 |
'log_comments' => true, |
| 1318 |
'log_media' => true, |
| 1319 |
), |
| 1320 |
), |
| 1321 |
); |
| 1322 |
} |
| 1323 |
|
| 1324 |
/** |
| 1325 |
* Get module labels for display |
| 1326 |
* |
| 1327 |
* @return array Module labels. |
| 1328 |
*/ |
| 1329 |
public function get_module_labels() { |
| 1330 |
return array( |
| 1331 |
'firewall' => __( 'Firewall', 'vigilante' ), |
| 1332 |
'security_headers' => __( 'Security Headers', 'vigilante' ), |
| 1333 |
'login_security' => __( 'Login Security', 'vigilante' ), |
| 1334 |
'rest_api_security'=> __( 'REST API Security', 'vigilante' ), |
| 1335 |
'user_security' => __( 'User Security', 'vigilante' ), |
| 1336 |
'wp_hardening' => __( 'WordPress Hardening', 'vigilante' ), |
| 1337 |
'file_integrity' => __( 'File Integrity', 'vigilante' ), |
| 1338 |
'activity_log' => __( 'Security Audit', 'vigilante' ), |
| 1339 |
); |
| 1340 |
} |
| 1341 |
|
| 1342 |
/** |
| 1343 |
* Get module descriptions for display |
| 1344 |
* |
| 1345 |
* @return array Module descriptions. |
| 1346 |
*/ |
| 1347 |
public function get_module_descriptions() { |
| 1348 |
return array( |
| 1349 |
'firewall' => __( 'Blocks malicious requests, SQL injection, XSS attacks, and bad bots. Includes rate limiting and file protection.', 'vigilante' ), |
| 1350 |
'security_headers' => __( 'Adds HTTP security headers like CSP, HSTS, X-Frame-Options. Forces HTTPS and fixes mixed content.', 'vigilante' ), |
| 1351 |
'login_security' => __( 'Brute force protection, 2FA, login attempt limits, XML-RPC control, and notifications.', 'vigilante' ), |
| 1352 |
'rest_api_security'=> __( 'Controls REST API access, blocks user enumeration, and protects sensitive endpoints.', 'vigilante' ), |
| 1353 |
'user_security' => __( 'Blocks insecure usernames, enforces strong passwords, and prevents author scanning.', 'vigilante' ), |
| 1354 |
'wp_hardening' => __( 'Hardens wp-config.php, manages comments, cleans header output, and controls feeds.', 'vigilante' ), |
| 1355 |
'file_integrity' => __( 'Scans WordPress core, plugins, and themes for unauthorized changes and suspicious code.', 'vigilante' ), |
| 1356 |
'activity_log' => __( 'Records user actions, logins, content changes, and security events for security auditing.', 'vigilante' ), |
| 1357 |
); |
| 1358 |
} |
| 1359 |
|
| 1360 |
/** |
| 1361 |
* Validate options before saving |
| 1362 |
* |
| 1363 |
* @param array $input Raw input to validate. |
| 1364 |
* @return array Validated options. |
| 1365 |
*/ |
| 1366 |
public function validate_options( $input ) { |
| 1367 |
$validated = array(); |
| 1368 |
$defaults = $this->get_default_options(); |
| 1369 |
|
| 1370 |
// Validate each section that exists in input |
| 1371 |
foreach ( $input as $section => $data ) { |
| 1372 |
if ( ! is_array( $data ) ) { |
| 1373 |
continue; |
| 1374 |
} |
| 1375 |
|
| 1376 |
if ( 'modules' === $section ) { |
| 1377 |
// Validate modules (booleans) |
| 1378 |
foreach ( $defaults['modules'] as $module => $default_value ) { |
| 1379 |
$validated['modules'][ $module ] = isset( $data[ $module ] ) |
| 1380 |
? (bool) $data[ $module ] |
| 1381 |
: false; |
| 1382 |
} |
| 1383 |
} elseif ( isset( $defaults[ $section ] ) ) { |
| 1384 |
// Validate other sections using generic validator |
| 1385 |
$validated[ $section ] = $this->validate_section( $data, $defaults[ $section ] ); |
| 1386 |
|
| 1387 |
// The few keys that live outside get_default_options() on |
| 1388 |
// purpose (see apply_install_tweaks()) survive with their own |
| 1389 |
// validation, or an import would silently lose them and the |
| 1390 |
// XML-RPC resolver would fall back to blocking everything. |
| 1391 |
foreach ( self::undeclared_keys( $section ) as $key => $type ) { |
| 1392 |
if ( ! array_key_exists( $key, $data ) ) { |
| 1393 |
continue; |
| 1394 |
} |
| 1395 |
if ( 'bool' === $type ) { |
| 1396 |
$validated[ $section ][ $key ] = (bool) $data[ $key ]; |
| 1397 |
} elseif ( is_array( $type ) && in_array( $data[ $key ], $type, true ) ) { |
| 1398 |
$validated[ $section ][ $key ] = $data[ $key ]; |
| 1399 |
} |
| 1400 |
} |
| 1401 |
} |
| 1402 |
} |
| 1403 |
|
| 1404 |
return apply_filters( 'vigilante_validate_options', $validated, $input ); |
| 1405 |
} |
| 1406 |
|
| 1407 |
/** |
| 1408 |
* Keys deliberately absent from get_default_options(), with how to validate them |
| 1409 |
* |
| 1410 |
* Declaring them as defaults would break the fallback they exist for (see |
| 1411 |
* apply_install_tweaks()), but the validator still has to know them, or a |
| 1412 |
* settings import drops them (found in the 2.11.0 cross review). |
| 1413 |
* |
| 1414 |
* @since 2.11.0 |
| 1415 |
* |
| 1416 |
* @param string $section Section name. |
| 1417 |
* @return array key => 'bool' or list of allowed values. |
| 1418 |
*/ |
| 1419 |
private static function undeclared_keys( $section ) { |
| 1420 |
$keys = array( |
| 1421 |
'wp_hardening' => array( 'xmlrpc_mode' => array( 'full', 'pingback', 'none' ) ), |
| 1422 |
'login_security' => array( |
| 1423 |
'disable_xmlrpc' => 'bool', |
| 1424 |
'disable_xmlrpc_pingback' => 'bool', |
| 1425 |
), |
| 1426 |
); |
| 1427 |
|
| 1428 |
return isset( $keys[ $section ] ) ? $keys[ $section ] : array(); |
| 1429 |
} |
| 1430 |
|
| 1431 |
/** |
| 1432 |
* Whether a default value describes a free list rather than a schema |
| 1433 |
* |
| 1434 |
* An empty array or sequential numeric keys (an IP whitelist, a list of |
| 1435 |
* roles) is a list: every entry the user typed is kept. Anything else is a |
| 1436 |
* schema: only its keys survive validation. |
| 1437 |
* |
| 1438 |
* @since 2.11.0 |
| 1439 |
* |
| 1440 |
* @param array $defaults Default value of a setting. |
| 1441 |
* @return bool |
| 1442 |
*/ |
| 1443 |
private function is_list_default( $defaults ) { |
| 1444 |
if ( array() === $defaults ) { |
| 1445 |
return true; |
| 1446 |
} |
| 1447 |
|
| 1448 |
return array_keys( $defaults ) === range( 0, count( $defaults ) - 1 ); |
| 1449 |
} |
| 1450 |
|
| 1451 |
/** |
| 1452 |
* Validate a section based on defaults |
| 1453 |
* |
| 1454 |
* Since 2.11.0 the result only holds keys the defaults know. The loop that |
| 1455 |
* used to reincorporate unknown keys "sanitized" meant a settings import |
| 1456 |
* could merge any key it liked into vigilante_options (S7 of the 28 Aug |
| 1457 |
* 2026 audit). Lists are the exception, handled first: their entries are |
| 1458 |
* data, not keys. |
| 1459 |
* |
| 1460 |
* @param array $input Input values. |
| 1461 |
* @param array $defaults Default values. |
| 1462 |
* @return array Validated values. |
| 1463 |
*/ |
| 1464 |
private function validate_section( $input, $defaults ) { |
| 1465 |
$validated = array(); |
| 1466 |
|
| 1467 |
if ( $this->is_list_default( $defaults ) ) { |
| 1468 |
if ( ! is_array( $input ) ) { |
| 1469 |
return array(); |
| 1470 |
} |
| 1471 |
|
| 1472 |
$list = array(); |
| 1473 |
foreach ( $input as $value ) { |
| 1474 |
if ( is_scalar( $value ) ) { |
| 1475 |
$list[] = sanitize_text_field( (string) $value ); |
| 1476 |
} elseif ( is_array( $value ) ) { |
| 1477 |
$list[] = map_deep( $value, 'sanitize_text_field' ); |
| 1478 |
} |
| 1479 |
} |
| 1480 |
|
| 1481 |
return $list; |
| 1482 |
} |
| 1483 |
|
| 1484 |
foreach ( $defaults as $key => $default_value ) { |
| 1485 |
if ( ! isset( $input[ $key ] ) ) { |
| 1486 |
$validated[ $key ] = $default_value; |
| 1487 |
continue; |
| 1488 |
} |
| 1489 |
|
| 1490 |
$value = $input[ $key ]; |
| 1491 |
|
| 1492 |
if ( is_bool( $default_value ) ) { |
| 1493 |
$validated[ $key ] = (bool) $value; |
| 1494 |
} elseif ( is_int( $default_value ) ) { |
| 1495 |
$validated[ $key ] = intval( $value ); |
| 1496 |
} elseif ( is_array( $default_value ) ) { |
| 1497 |
if ( is_array( $value ) ) { |
| 1498 |
$validated[ $key ] = $this->validate_section( $value, $default_value ); |
| 1499 |
} else { |
| 1500 |
$validated[ $key ] = $default_value; |
| 1501 |
} |
| 1502 |
} else { |
| 1503 |
$validated[ $key ] = sanitize_text_field( $value ); |
| 1504 |
} |
| 1505 |
} |
| 1506 |
|
| 1507 |
// Keys the defaults do not declare are dropped on purpose (S7). |
| 1508 |
|
| 1509 |
return $validated; |
| 1510 |
} |
| 1511 |
} |
