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<?php // phpcs:ignore
class Snapshot_Local_Backups {
public static $instance = null;
const OPTION_SHOW_NOTICE = 'snapshot-local-backups-notification-pending';
const OPTION_NOTICE_DISMISSED = 'snapshot-local-backups-notice-dismissed';
const MANAGED_BACKUPS_QUERY_VAR = 'snapshot_pro_managed_backups';
const HOURLY_SCHEDULED_EVENT = 'snapshot_local_backup_check';
private function __construct() {
}
public static function serve() {
self::get()->add_hooks();
}
public static function stop() {
self::get()->remove_hooks();
}
/**
* @return null|Snapshot_Local_Backups
*/
public static function get() {
if ( ! self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
private function add_hooks() {
add_action( self::HOURLY_SCHEDULED_EVENT, array( $this, 'check_for_local_backups' ) );
add_action( is_multisite() ? 'network_admin_notices' : 'admin_notices', array(
$this,
'display_local_backups_warning',
) );
add_action( 'wp_ajax_dismiss_local_backups_notice', array(
$this,
'snapshot_ajax_dismiss_local_backups_notice',
) );
add_action( 'admin_head', array( $this, 'snapshot_backups_notice_style' ) );
add_action( 'admin_footer', array( $this, 'print_dismiss_notice_script' ) );
$this->schedule_event();
}
public function remove_hooks() {
remove_action( self::HOURLY_SCHEDULED_EVENT, array( $this, 'check_for_local_backups' ) );
remove_action( is_multisite() ? 'network_admin_notices' : 'admin_notices', array(
$this,
'display_local_backups_warning',
) );
remove_action( 'wp_ajax_dismiss_local_backups_notice', array(
$this,
'snapshot_ajax_dismiss_local_backups_notice',
) );
remove_action( 'admin_footer', array( $this, 'print_dismiss_notice_script' ) );
$this->unschedule_event();
}
public function check_for_local_backups() {
// Get local backups older than 12 hours
$timestamps = $this->get_local_backup_timestamps();
if ( empty( $timestamps ) ) {
return;
}
$this->set_local_backup_notice_flag( $timestamps );
// @TODO Replace the following line with a line firing up the sending of appropriate info to the Hub.
// $this->send_local_backup_email( $timestamps );
}
private function set_local_backup_notice_flag( $timestamps ) {
$dismissed_timestamps = get_option( self::OPTION_NOTICE_DISMISSED, array() );
$unhandled_timestamps = array_diff( $timestamps, $dismissed_timestamps );
if ( empty( $unhandled_timestamps ) ) {
return;
}
update_option( self::OPTION_SHOW_NOTICE, true );
}
public function display_local_backups_warning() {
// phpcs:ignore
if ( Snapshot_Helper_Utility::is_wpmu_hosting() || ( isset( $_GET['page'] ) && self::MANAGED_BACKUPS_QUERY_VAR === $_GET['page'] ) ) {
return;
}
if ( ! $this->show_notice() ) {
return;
}
$user_info = $this->get_user_data();
$message_text = sprintf(
__( "Hi %s, you have <strong>one or more full site backups that have failed to upload to The Hub</strong>. Locally hosted backups aren't very handy in the event you need to restore a website that's been taken down. <strong>We recommend visiting your managed backups and using the \"Retry Uploading\" option for any that are locally stored</strong>.", SNAPSHOT_I18N_DOMAIN ), $user_info
);
?>
<div class="snapshot-notice-local-backups notice-error notice is-dismissible">
<p><?php echo wp_kses_post( $message_text ); ?></p>
<a class="button button-primary" href="<?php echo esc_url( $this->get_managed_backups_url() ); ?>"><?php esc_html_e('Manage Backups', SNAPSHOT_I18N_DOMAIN); ?></a>
</div>
<?php
}
public function snapshot_ajax_dismiss_local_backups_notice() {
$this->dismiss_local_backups_notice();
die;
}
public function dismiss_local_backups_notice() {
// Hide the message right away
delete_option( self::OPTION_SHOW_NOTICE );
// Note the timestamps
$timestamps = $this->get_local_backup_timestamps();
update_option( self::OPTION_NOTICE_DISMISSED, $timestamps );
}
private function schedule_event() {
if ( ! wp_next_scheduled( self::HOURLY_SCHEDULED_EVENT ) ) {
wp_schedule_event( time(), 'hourly', self::HOURLY_SCHEDULED_EVENT );
}
}
private function unschedule_event() {
wp_clear_scheduled_hook( self::HOURLY_SCHEDULED_EVENT );
}
public function print_dismiss_notice_script() {
if ( ! $this->show_notice() ) {
return;
}
?>
<script type="text/javascript">
jQuery(document).ready(function ($) {
$(document).on('click', '.snapshot-notice-local-backups .notice-dismiss', function () {
jQuery.ajax({
url: ajaxurl,
data: {
action: 'dismiss_local_backups_notice'
}
})
});
});
</script>
<?php
}
public function snapshot_backups_notice_style() {
echo
'<style type="text/css">
.toplevel_page_snapshot_pro_dashboard .snapshot-notice-local-backups, .snapshot_page_snapshot_pro_snapshots .snapshot-notice-local-backups, .snapshot_page_snapshot_pro_destinations .snapshot-notice-local-backups,
.snapshot_page_snapshot_pro_import .snapshot-notice-local-backups, .snapshot_page_snapshot_pro_settings .snapshot-notice-local-backups {
max-width: 980px;
margin: 15px 10px 2px;
}
.snapshot-notice-local-backups a.button-primary{
margin: 7px 0 12px;
background: #0085ba;
border-color: #0073aa #006799 #006799;
box-shadow: 0 1px 0 #006799;
color: #fff;
text-decoration: none;
text-shadow: 0 -1px 1px #006799, 1px 0 1px #006799, 0 1px 1px #006799, -1px 0 1px #006799;
font: inherit;
font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;
font-size: 13px!important;
text-transform: none;
line-height: 26px;
height: 28px;
padding: 0 10px 1px;
cursor: pointer;
border-width: 1px;
border-style: solid;
border-radius: 3px;
box-sizing: border-box;
}
.snapshot-notice-local-backups a.button-primary:hover{
box-shadow: 0 1px 0 #006799!important;
background: #008ec2;
background-color: #008ec2!important;
border-color: #006799;
}
.snapshot-notice-local-backups .notice-dismiss{
border: none!important;
margin: 0!important;
padding: 9px!important;
background: 0 0!important;
color: #72777c!important;
}
.snapshot-notice-local-backups .notice-dismiss:before{
font: 400 20px/24px dashicons;
}
.snapshot-notice-local-backups p{
margin: .5em 0!important;
padding: 2px!important;
font-size: 13px!important;
line-height: 1.5!important;
color: #4e4e4d!important;
}
</style>
';
}
private function get_local_backup_timestamps() {
$local_model = new Snapshot_Model_Full_Local();
$backups = $local_model->get_backups();
$timestamps = array();
if ( empty( $backups ) ) {
return $timestamps;
}
foreach ( $backups as $backup ) {
if ( ! isset( $backup['timestamp'] ) ) {
continue;
}
$timestamps[] = intval( $backup['timestamp'] );
}
// Sort newest to oldest
rsort( $timestamps );
// Only care about the ones older than 12 hours
return array_filter( $timestamps, array( $this, 'is_timestamp_12_hours_old' ) );
}
private function is_timestamp_12_hours_old( $timestamp ) {
$time_difference = time() - $timestamp;
$stale_interval = $this->get_stale_interval();
return $time_difference / 3600 >= $stale_interval;
}
private function get_stale_interval() {
return defined( 'SNAPSHOT_STALE_BACKUP_INTERVAL' )
? intval( SNAPSHOT_STALE_BACKUP_INTERVAL )
: 12;
}
private function get_user_data() {
$current_user = wp_get_current_user();
if ( ! $current_user->exists() ) {
return;
}
return ( $current_user->user_firstname ) ? $current_user->user_firstname : $current_user->display_name;
}
private function get_managed_backups_url() {
return esc_url_raw( add_query_arg( 'page', self::MANAGED_BACKUPS_QUERY_VAR, network_admin_url( 'admin.php' ) ) );
}
private function show_notice() {
$timestamps = $this->get_local_backup_timestamps();
return get_option( self::OPTION_SHOW_NOTICE, false )
&& ! empty( $timestamps )
&& current_user_can( 'manage_options' );
}
}