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Automatic WordPress security: local firewall, malware and file-integrity scanning, vulnerability protection, quarantine, scheduled backups, an optional page cache, and automatic global threat intelligence. See README.md for installation, update, and uninstall instructions.
94 lines
2.6 KiB
PHP
94 lines
2.6 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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class Argus_MU_Installer {
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public static function mu_plugins_dir() {
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return WPMU_PLUGIN_DIR;
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}
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public static function target_path() {
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return trailingslashit( self::mu_plugins_dir() ) . 'argus-mu-core.php';
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}
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public static function source_path() {
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return ARGUS_WPD_DIR . 'mu-loader/argus-mu-core.php';
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}
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public static function install() {
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$dir = self::mu_plugins_dir();
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if ( ! file_exists( $dir ) ) {
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if ( ! wp_mkdir_p( $dir ) ) {
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update_option( 'argus_wpd_mu_install_status', 'failed_mkdir', false );
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return false;
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}
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}
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if ( ! is_writable( $dir ) ) { // phpcs:ignore WordPress.WP.AlternativeFunctions
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update_option( 'argus_wpd_mu_install_status', 'not_writable', false );
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return false;
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}
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$copied = copy( self::source_path(), self::target_path() );
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update_option( 'argus_wpd_mu_install_status', $copied ? 'installed' : 'failed_copy', false );
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return $copied;
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}
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const SELF_HEAL_LOG_COOLDOWN_OPTION = 'argus_wpd_mu_self_heal_last_logged';
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const SELF_HEAL_LOG_COOLDOWN_SECS = HOUR_IN_SECONDS;
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public static function ensure_current() {
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$target = self::target_path();
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if ( ! file_exists( $target ) ) {
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self::maybe_log_self_heal( 'high', 'MU enforcement core was missing -- reinstalled', array( 'path' => $target ) );
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self::install();
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return;
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}
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if ( md5_file( $target ) !== md5_file( self::source_path() ) ) {
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self::maybe_log_self_heal( 'medium', 'MU enforcement core was out of date -- refreshed', array( 'path' => $target ) );
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self::install();
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}
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}
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protected static function maybe_log_self_heal( $severity, $message, array $context ) {
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$last = (int) get_option( self::SELF_HEAL_LOG_COOLDOWN_OPTION, 0 );
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if ( time() - $last < self::SELF_HEAL_LOG_COOLDOWN_SECS ) {
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return;
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}
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update_option( self::SELF_HEAL_LOG_COOLDOWN_OPTION, time(), false );
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Argus_Events::record( 'self_heal', $severity, $message, $context );
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}
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public static function status() {
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return get_option( 'argus_wpd_mu_install_status', 'unknown' );
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}
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const HEARTBEAT_OPTION = 'argus_wpd_mu_core_heartbeat';
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const HEARTBEAT_INTERVAL_SECS = 300;
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const HEARTBEAT_STALE_AFTER_SECS = 900;
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public static function execution_status() {
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$last = (int) get_option( self::HEARTBEAT_OPTION, 0 );
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if ( 0 === $last ) {
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return 'never';
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}
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return ( time() - $last ) <= self::HEARTBEAT_STALE_AFTER_SECS ? 'healthy' : 'stale';
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}
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public static function uninstall() {
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$target = self::target_path();
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if ( file_exists( $target ) ) {
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wp_delete_file( $target );
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}
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delete_option( 'argus_wpd_mu_install_status' );
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}
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}
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