# patchstack/2.2.9/includes/admin/general.php

Patchstack – WordPress & Plugins Security, version 2.2.9. 180 lines.

- Page: https://pluginprobe.com/plugins/patchstack/2.2.9/code/includes/admin/general.php
- Raw: https://pluginprobe.com/plugins/patchstack/2.2.9/raw/includes/admin/general.php
- Modified: 2024-02-28T08:29:16+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/patchstack/2.2.9/code/includes/admin/general.php#L10-L20`.

```php
<?php

// Do not allow the file to be called directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * This class is used for any general admin functionality.
 * For example to display general errors on all pages or event listeners.
 */
class P_Admin_General extends P_Core {

	/**
	 * Add any general actions for the backend.
	 *
	 * @param Patchstack $core
	 * @return void
	 */
	public function __construct( $core ) {
		parent::__construct( $core );

		// Add admin and network notices.
		add_action( 'admin_notices', [ $this, 'file_error_notice' ] );
		add_action( 'network_admin_notices', [ $this, 'file_error_notice' ] );

		add_action( 'wp_loaded', [ $this, 'update_rules' ] );
		add_action( 'update_option_siteurl', [ $this, 'update_option_url' ], 10, 2 );
		add_action( 'admin_init', [ $this, 'alter_ips' ] );
		add_action( 'admin_init', [ $this, 'enable_settings' ] );

		// If the firewall or whitelist rules do not exist, attempt to pull fresh.
		$token = get_option( 'patchstack_api_token', false );
		if ( ! empty( $token ) && ( get_option( 'patchstack_firewall_rules', '' ) == '' || get_option( 'patchstack_whitelist_keys_rules' ) == '' ) && get_option( 'patchstack_license_free', 0 ) != 1 ) {
			do_action( 'patchstack_post_dynamic_firewall_rules' );
		}
	}

	/**
	 * Display error message if file/folder permissions are not set properly.
	 *
	 * @return void
	 */
	public function file_error_notice() {
		// No need to display this error if the .htaccess functionality has been disabled.
		if ( get_site_option( 'patchstack_disable_htaccess', 0 ) ) {
			return;
		}

		// Check root .htaccess file and data folder writability.
		$files = [];
		if ( file_exists( ABSPATH . '.htaccess' ) && ! wp_is_writable( ABSPATH . '.htaccess' ) ) {
			array_push( $files, ABSPATH . '.htaccess' );
		}

		// Are there any errors to display?
		if ( count( $files ) > 0 ) {
			?>
		<div class="error notice">
			<h2>Patchstack File Permission Error</h2>
			<p><?php esc_html_e( 'The following file/folder could not be written to:<br />' . implode( '<br />', $files ), 'patchstack' ); ?></p>
			<?php
			foreach ( $files as $file ) {
				echo wp_kses( '<p><b>Debug info: </b>' . $file . ' chmod permissions: <b>' . substr( decoct( fileperms( $file ) ), -3 ) . '</b>, owned by <b>' . posix_getpwuid( fileowner( $file ) )['name'] . '</b></p>', $this->allowed_html );
			}
			?>
			<p><?php esc_html_e( '<strong>How to fix?</strong><br />CHMOD the file/folder to <strong>755</strong> through a <a href="http://www.dummies.com/web-design-development/wordpress/navigation-customization/how-to-change-file-permissions-using-filezilla-on-your-ftp-site/" target="_blank">FTP client</a>, <a href="http://support.hostgator.com/articles/cpanel/how-to-change-permissions-chmod-of-a-file" target="_blank">CPanel</a>, <a href="https://www.inmotionhosting.com/support/website/managing-files/change-file-permissions" target="_blank">WHM</a> or ask your hosting provider. Make sure file or folder ownership is set to <b>' . posix_getpwuid( fileowner( ABSPATH . 'index.php' ) )['name'] . '</b> user .', 'patchstack_file_error_notice' ); ?></p>
			<p><?php esc_html_e( '<strong>CHMOD properly set but still not working?</strong><br />Make sure the group/owner (chown) settings of the /wp-content/plugins/patchstack/ folder is properly setup, you may have to ask your host to fix this.', 'patchstack_file_error_notice' ); ?></p>
		</div>
			<?php
		}
	}

	/**
	 * When the user changes Patchstack plugin settings, update the firewall rules.
	 *
	 * @return void
	 */
	public function update_rules() {
		if ( isset( $_GET['settings-updated'], $_GET['page'] ) && strpos( $_GET['page'], 'patchstack' ) !== false && current_user_can( 'administrator' ) ) {
			$this->plugin->rules->post_firewall_rules();
			$this->plugin->rules->dynamic_firewall_rules();

			// Update firewall status after settings saved
			$token = $this->plugin->api->get_access_token();

			// Update the firewall status.
			if ( ! empty( $token ) ) {
				$this->plugin->api->update_firewall_status( [ 'status' => $this->get_option( 'patchstack_basic_firewall' ) == 1 ] );
			}
		}
	}

	/**
	 * When the user updates the site URL, update it on the API side as well.
	 * This needs to be done so we can communicate with the site properly.
	 *
	 * @param mixed $old_value
	 * @param mixed $new_value
	 * @return void
	 */
	public function update_option_url( $old_value, $new_value ) {
		if ( $old_value != $new_value ) {
			$this->plugin->api->update_url( [ 'plugin_url' => $new_value ] );
		}
	}

	/**
	 * Executed when the user modifies the blocked or whitelisted IP addresses on the
	 * login protection settings page.
	 *
	 * @return void
	 */
	public function alter_ips() {
		if ( ! isset( $_GET['action'], $_GET['PatchstackNonce'] ) || ! wp_verify_nonce( $_GET['PatchstackNonce'], 'patchstack-nonce-alter-ips' ) || ! current_user_can( 'administrator' ) || ! in_array( $_GET['action'], [ 'patchstack_unblock', 'patchstack_unblock_whitelist', 'patchstack_whitelist' ] ) ) {
			return;
		}

		global $wpdb;

		// Unblock the IP; delete the logs of the IP.
		if ( $_GET['action'] == 'patchstack_unblock' && isset( $_GET['id'] ) && ctype_digit( $_GET['id'] ) ) {
			// First get the IP address to unblock.
			$result = $wpdb->get_results(
				$wpdb->prepare( 'SELECT ip FROM ' . $wpdb->prefix . 'patchstack_event_log WHERE id = %d', [ (int) $_GET['id'] ] )
			);

			// Unblock the IP address.
			if ( isset( $result[0], $result[0]->ip ) ) {
				$wpdb->query(
					$wpdb->prepare( 'DELETE FROM ' . $wpdb->prefix . 'patchstack_event_log WHERE ip = %s', [ $result[0]->ip ] )
				);
			}
		}

		// Unblock and whitelist the IP.
		if ( $_GET['action'] == 'patchstack_unblock_whitelist' && isset( $_GET['id'] ) && ctype_digit( $_GET['id'] ) ) {
			// First get the IP address to whitelist.
			$result = $wpdb->get_results(
				$wpdb->prepare( 'SELECT ip FROM ' . $wpdb->prefix . 'patchstack_event_log WHERE id = %d', [ (int) $_GET['id'] ] )
			);

			// Whitelist and unblock the IP address.
			if ( isset( $result[0], $result[0]->ip ) && filter_var( $result[0]->ip, FILTER_VALIDATE_IP ) ) {
				update_option( 'patchstack_login_whitelist', $this->get_option( 'patchstack_login_whitelist', '' ) . "\n" . $result[0]->ip );
				$wpdb->query(
					$wpdb->prepare( 'DELETE FROM ' . $wpdb->prefix . 'patchstack_event_log WHERE ip = %s', [ $result[0]->ip ] )
				);
			}
		}

		// Whitelist an IP address.
		if ( $_GET['action'] == 'patchstack_whitelist' && isset( $_GET['ip'] ) && filter_var( $_GET['ip'], FILTER_VALIDATE_IP ) ) {
			update_option( 'patchstack_login_whitelist', $this->get_option( 'patchstack_login_whitelist', '' ) . "\n" . $_GET['ip'] );
		}

		// Redirect the user back to the login tab.
		wp_safe_redirect( admin_url( 'admin.php?page=' . $this->plugin->name . '&tab=login' ) );
		exit;
	}

	/**
	 * Turn on the Patchstack settings feature on WordPress.
	 *
	 * @return void
	 */
	public function enable_settings() {
		if ( ! isset( $_GET['action'], $_GET['patchstack_settings_nonce'] ) || ! wp_verify_nonce( $_GET['patchstack_settings_nonce'], 'patchstack_settings_nonce' ) || ! current_user_can( 'administrator' ) || $_GET['action'] != 'enable_settings' ) {
			return;
		}

		// Turn it on.
		update_option( 'patchstack_show_settings', 1 );

		// Redirect the user back to the license page.
		wp_safe_redirect( admin_url( 'admin.php?page=' . $this->plugin->name ) );
		exit;
	}
}

```