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<?php
/**
* A class that adds the scan notice to the admin bar.
*
* @package automattic/jetpack
*/
namespace Automattic\Jetpack\Scan;
use Automattic\Jetpack\Assets;
use Automattic\Jetpack\Redirect;
/**
* Class Main
*
* Responsible for loading the admin bar notice if threats are found.
*
* @package Automattic\Jetpack\Scan
*/
class Admin_Bar_Notice {
const SCRIPT_NAME = 'jetpack-scan-show-notice';
const SCRIPT_VERSION = '1';
/**
* The singleton instance of this class.
*
* @var Admin_Bar_Notice
*/
protected static $instance;
/**
* Get the singleton instance of the class.
*
* @return Admin_Bar_Notice
*/
public static function instance() {
if ( ! isset( self::$instance ) ) {
self::$instance = new Admin_Bar_Notice();
self::$instance->init_hooks();
}
return self::$instance;
}
/**
* Initalize the hooks as needed.
*/
private function init_hooks() {
if ( ! $this->should_try_to_display_notice() ) {
return;
}
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_toolbar_script' ) );
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_toolbar_script' ) );
add_action( 'admin_bar_menu', array( $this, 'add_threats_to_toolbar' ), 999 );
// Inject the data-ampdevmode attribute into the inline <script> output via wp_localize_script(). To revisit after https://github.com/ampproject/amp-wp/issues/4598.
add_filter(
'amp_dev_mode_element_xpaths',
static function ( $expressions ) {
$expressions[] = '//script[ contains( text(), "Jetpack_Scan" ) ]';
return $expressions;
}
);
}
/**
* Whether to even try to display the notice or now.
*
* @return bool
*/
private function should_try_to_display_notice() {
// Jetpack Scan is currently not supported on multisite.
if ( is_multisite() ) {
return false;
}
// Check if VaultPress is active, the assumtion there is that VaultPress is working.
// It has its own notice in the admin bar.
if ( class_exists( 'VaultPress' ) ) {
return false;
}
// Only show the notice to admins.
if ( ! current_user_can( 'manage_options' ) ) {
return false;
}
return true;
}
/**
* Add the inline styles and scripts if they are needed.
*/
public function enqueue_toolbar_script() {
$this->add_inline_styles();
if ( $this->has_threats() !== null ) {
return;
}
// We don't know about threats in the cache lets load the JS that fetches the info and updates the admin bar.
Assets::enqueue_async_script( self::SCRIPT_NAME, '_inc/build/scan/admin-bar-notice.min.js', 'modules/scan/admin-bar-notice.js', array( 'admin-bar' ), self::SCRIPT_VERSION, true );
$script_data = array(
'nonce' => wp_create_nonce( 'wp_rest' ),
'scan_endpoint' => get_rest_url( null, 'jetpack/v4/scan' ),
'scan_dashboard_url' => Redirect::get_url( 'calypso-scanner' ),
/* translators: %s is the alert icon */
'singular' => sprintf( esc_html__( '%s Threat found', 'jetpack' ), $this->get_icon() ),
/* translators: %s is the alert icon */
'multiple' => sprintf( esc_html__( '%s Threats found', 'jetpack' ), $this->get_icon() ),
);
wp_localize_script( self::SCRIPT_NAME, 'Jetpack_Scan', $script_data );
}
/**
* Adds the inline styles if they are needed.
*/
public function add_inline_styles() {
// We know there are no threats so lets not include any css.
if ( false === $this->has_threats() ) {
return;
}
// We might be showing the threats in the admin bar lets make sure that they look great!
$hide_wording_on_mobile = '#wp-admin-bar-jetpack-scan-notice .is-hidden { display:none; } @media screen and (max-width: 959px ) { #wpadminbar #wp-admin-bar-jetpack-scan-notice { width:32px; } #wpadminbar #wp-admin-bar-jetpack-scan-notice a { color: transparent!important; } }';
$style = '#wp-admin-bar-jetpack-scan-notice svg { float:left; margin-top: 4px; margin-right: 6px; width: 18px; height: 22px; }' . $hide_wording_on_mobile;
if ( is_rtl() ) {
$style = '#wp-admin-bar-jetpack-scan-notice svg { float:right; margin-top: 4px; margin-left: 6px; width: 18px; height: 22px; }' . $hide_wording_on_mobile;
}
wp_add_inline_style( 'admin-bar', $style );
}
/**
* Add the link to the admin bar.
*
* @param WP_Admin_Bar $wp_admin_bar WP Admin Bar class object.
*/
public function add_threats_to_toolbar( $wp_admin_bar ) {
if ( ! $this->should_try_to_display_notice() ) {
return;
}
$has_threats = $this->has_threats();
if ( false === $has_threats ) {
return;
}
$node = array(
'id' => 'jetpack-scan-notice',
'title' => '',
'parent' => 'top-secondary',
'meta' => array(
'title' => esc_attr__( 'View security scan details', 'jetpack' ),
'class' => 'error is-hidden',
),
);
if ( $has_threats ) {
$node['href'] = esc_url( Redirect::get_url( 'calypso-scanner' ) );
$node['meta']['onclick'] = 'window.open( this.href ); return false;';
$node['meta']['class'] = 'error';
$node['title'] = sprintf(
esc_html(
/* translators: %s is the alert icon */
_n( '%s Threat found', '%s Threats found', $this->get_threat_count(), 'jetpack' )
),
$this->get_icon()
);
}
$wp_admin_bar->add_node( $node );
}
/**
* Returns the shield icon.
*
* @return string
*/
private function get_icon() {
return '<svg width="18" height="22" viewBox="0 0 18 22" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M9 0L0 4V10C0 15.55 3.84 20.74 9 22C14.16 20.74 18 15.55 18 10V4L9 0Z" fill="#D63638"/><path d="M7.99121 6.00894H10.0085V11.9968H7.99121V6.00894Z" fill="#FFF"/><path d="M7.99121 14.014H10.0085V15.9911H7.99121V14.014Z" fill="#FFF"/></svg>';
}
/**
*
* Return Whether boolean cached threats exist or null if the state is unknown.
* * @return boolean or null
*/
public function has_threats() {
$scan_state = get_transient( 'jetpack_scan_state' );
if ( empty( $scan_state ) ) {
return null;
}
// Return true if there is at least one threat found.
return (bool) isset( $scan_state->threats[0] );
}
/**
* Returns the number of threats found or 0.
*
* @return int
*/
public function get_threat_count() {
if ( ! $this->has_threats() ) {
return 0;
}
$scan_state = get_transient( 'jetpack_scan_state' );
return is_array( $scan_state->threats ) ? count( $scan_state->threats ) : 0;
}
}
|
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