WordPress mu-plugin to check if Stash has been stuck at Error #5002 for more than 24 hours, and then deletes catalog and state

backupbuddy-stash-fix.php

<?php
/*
 * Plugin Name: Backupbuddy Stash Fix
 * Description: Deletes catalog and state if error #5002 has occurred
 * Version: 1.0
 * Author: Seth Alling
 * Author URI: https://sethalling.com
 * Requires at least: 4.7
 * Tested up to: 4.7
*/
function sta_backupbuddy_stash_fix() {
	// If logged in and in admin area and BackupBuddy classes exist
	if ( is_admin() && is_user_logged_in() && class_exists( 'backupbuddy_core' ) && class_exists( 'pb_backupbuddy' ) ) {

		// Only run if no transient set ( hasn't run in 12 hours )
		if ( false === ( get_transient( 'backupbuddy_stash_check' ) ) ) {

			// Get most recent notification (not sure which is most recent as I've seen both)
			$last_notification = array_pop( get_option( 'pb_backupbuddy_notifications' ) );
			$first_notification = array_shift( get_option( 'pb_backupbuddy_notifications' ) );

			// Get 24 hours ago
			$yesterday = date( 'U', strtotime( '-1 days' ) );

			// Check most recent notifications if came after yesterday
			if ( ( $first_notification['time'] > $yesterday ) || ( $last_notification['time'] > $yesterday ) ) {

				// Set correct notification as recent notification
				if ( $first_notification['time'] > $yesterday ) {
					$recent_notification = $first_notification;
				} else if ( $last_notification['time'] > $yesterday ) {
					$recent_notification = $last_notification;
				}

				// Check if notification is error
				if ( 'live_error' == $recent_notification['slug'] ) {

					// Check if Error #5002
					if ( preg_match( '/5002/', $recent_notification['message'] ) ) {

						// Delete catalog
					       	$catalogFile = backupbuddy_core::getLogDirectory() . 'live/catalog-' . pb_backupbuddy::$options['log_serial'] . '.txt';
        			       		@unlink( $catalogFile );
						sleep( 1 );
						@unlink( $catalogFile );
						sleep( 1 );
						@unlink( $catalogFile );

						if ( file_exists( $catalogFile ) ) {
							pb_backupbuddy::alert( 'Error #3927273: Unable to delete catalog file `' . $catalogFile . '`. Check permissions or manually delete.' );
						} else {
							pb_backupbuddy::alert( 'Catalog deleted.' );
						}

						// Delete state
				                $stateFile = backupbuddy_core::getLogDirectory() . 'live/state-' . pb_backupbuddy::$options['log_serial'] . '.txt';
						@unlink( $stateFile );
						sleep( 1 );
						@unlink( $stateFile );
						sleep( 1 );
						@unlink( $stateFile );

						if ( file_exists( $stateFile ) ) {
							pb_backupbuddy::alert( 'Error #434554: Unable to delete state file `' . $stateFile . '`. Check permissions or manually delete.' );
						} else {
							pb_backupbuddy::alert( 'State file deleted.' );
						}

					}

				}

			}

			// Set transient so next check won't happen for 12 hours
			set_transient( 'backupbuddy_stash_check', true, 12 * HOUR_IN_SECONDS );

		}

	}
}
add_action( 'plugins_loaded', 'sta_backupbuddy_stash_fix' );